EP2777936A1 - Method and device for producing lids - Google Patents

Method and device for producing lids Download PDF

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Publication number
EP2777936A1
EP2777936A1 EP13001308.9A EP13001308A EP2777936A1 EP 2777936 A1 EP2777936 A1 EP 2777936A1 EP 13001308 A EP13001308 A EP 13001308A EP 2777936 A1 EP2777936 A1 EP 2777936A1
Authority
EP
European Patent Office
Prior art keywords
printing
punching
substrate
channel
punching device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13001308.9A
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German (de)
French (fr)
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EP2777936B1 (en
Inventor
Wilfried Jud
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Individual
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Individual
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Priority to EP13001308.9A priority Critical patent/EP2777936B1/en
Publication of EP2777936A1 publication Critical patent/EP2777936A1/en
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Publication of EP2777936B1 publication Critical patent/EP2777936B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/02—Conveying or guiding webs through presses or machines
    • B41F13/025—Registering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56—Folding or cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/008—Apparatus or machines for carrying out printing operations combined with other operations with means for stamping or cutting out

Definitions

  • the invention relates to an apparatus and a method for the production of printed lid boards by printing substrate in the form of rolls with a print motif In a web offset printing machine, feeding the printed substrate into a punching device and punching the Deakelplatinen from the substrate by means of punching.
  • lidded printed circuit boards can be used to cover containers, such as cups or trays.
  • Particularly important applications of such sinkers are lids for closing cups and trays in the food and pharmaceutical industries.
  • the closure of cups in which dairy products are bottled require cost-effective, easily processable lids.
  • the print motif on the printing substrate is formed by a plurality of individual patterns. A single motif usually corresponds to a lid for a container. In order to keep the loss of printing material low, the individual motifs are as close as possible to each other and, depending on the outer contour nested, printed.
  • Object of the present invention is to describe a device and a cost-effective, material-optimized method for the production of printed lid boards, made of a substrate, which avoids the disadvantages of previously used devices and methods.
  • this is achieved by a method according to which, triggered by the position of the channel formed by the printing plate on the printing form cylinder, the feed of the printing material is increased in the punching device and anschliessend reduced to the original value and / or the punching stroke delayed in time and then back on the original value is returned so that an interruption generated by the channel of the printing form in the print motif is outside the punching range of the punching blades or cutting tools of the punching device.
  • the printing form with the printing motif is clamped onto a printing form cylinder.
  • the print motif is interrupted, resp. the print motif is to be designed and applied to the printing plate so that it does not overlap the channel. This means that with the print motif applied to the substrate also the channel, as an interruption of the print motif or blank, is displayed.
  • the length of the print motif - representing, for example, a plurality of lid blanks - between the channels, ie the Abrolimother the plate cylinder, is usually not identical to the length of the Schneldewerkmaschinemaschinees. It then takes more than one punch stroke to punch out all the lid blanks between two channels. Will now the Substrate supplied to the punching device, the feed of the substrate must take into account the position of the print motif and the channel. Or the punch must be controlled according to the location of the channel on the substrate, in particular delayed. Finally, both processes can overlap, whereby during the passage of the channel through the punching device, the feed of the printing material is increased and the punch stroke is delayed in time.
  • the punching device lifts and - for the actual punching - lowers the punch carrying the cutting tool and separates the cover plates from the substrate.
  • the feed of the printing material In the region of the part of the print motif that is depicted by the channel, the feed of the printing material must be increased and, as soon as the image of the channel has passed the cutting knife, reduced to the original value. As a result, the space created by the channel in the printing form in the printing motif is skipped during the punch stroke. This has the advantage that the punching process remains in the register.
  • the punching stroke i.
  • the punching movement as soon as the image of the channel passes the punching device, delayed in use and then the punching strokes can be returned to the original value. Since the blanking of the cover plates made of the substrate between two channels usually takes place with more than one punching stroke, the punch is to be controlled so that when passing a channel of the punching stroke is delayed. Thereafter, the punching takes place in the original clock.
  • the other option is to increase the feed length when passing through the channel and then reduce it to its original value.
  • Another possibility is to simultaneously control punching stroke and feed length.
  • the position of the channel on the printing form on the printing form cylinder can be determined (register jump) on the printing press by a sensor. This can be done optically, electronically and occasionally mechanically. The information can then be converted into an electronic signal. The signal can be transmitted to a stepping motor, which pulls the printing material through the punching device. Also, the signal of the punching device with which the cutting tool punches the boards can be transmitted. Taking into account the transport path of the printing material by the printing press and the punching machine, the stepper motor, resp. the punch drive, are controlled.
  • the stepping motor increases the feed rate, so that the cutting tool hits the border of a single motif on the printing material again during the next punch stroke.
  • the stepper motor can be controlled by the position of the channel of the plate cylinder.
  • the sinking of the punch with the cutting tools can be delayed, so that the next time the punch stroke the cutting tool again exactly the borders of the individual motifs on the substrate meets.
  • the delay in the punch stroke can be done by evaluating the signal and corresponding control of the drive and / or the mechanical transmission of the driving force on the stamp.
  • both the enlargement of the feed, as well as the delay of the punching stroke can take place simultaneously. Or it can only be one of the two Measures are carried out. Preferably, the Vorgrösstechnik the feed is applied.
  • the signal which controls the stepping motor or the drive of the punching device can be generated by a marking on the printing plate or on the printing form cylinder.
  • the marking can be detected, for example, in an optical, electronic or magnetic manner and a signal can be generated.
  • the signal may be generated in the form of a mark printed on the substrate and controlled by the signal of the stepping motor and / or the drive of the punching device.
  • the signal on the printing material can already be read in the printing machine or along the path of the printing material to the punching device, implemented and supplied as a control signal to the stepper motor and / or the drive of the punch.
  • the feed of the printing material is produced by the punching device by means of a stepper motor.
  • the stepping motor is arranged in particular after the punching device and drives the pulling device - for example a pair of rollers - which pulls the printing material through the punching device.
  • the printing substrate, printing substrate or substrate may be packaging films.
  • suitable packaging films may have a layer structure comprising one or more plastic films, metal foils, papers, lacquers and / or adhesives.
  • plastic films films of polyesters, such as standard PET or forms such as A-PET or G-PET, can be used.
  • plastic films made of biodegradable materials such as PLA (Poly Lactic Acid) or starch-based plastics.
  • films of polyolefins such as polyethylenes or polypropylenes or films of PVC.
  • Other forms, such as co-, mixed and graft polymers of the plastics mentioned can be used.
  • the films can be monofilms or film composites of two or more films of the same or different material be applied.
  • the thickness of plastic monofilms can be from 7 to 100 ⁇ m, advantageously from 7 to 50, in particular from 7 to 25 ⁇ m.
  • Plastic film composites may have a total thickness of 15 to 100 microns.
  • Suitable metal foils are films of aluminum, aluminum alloys or steel in thicknesses of 7 to 80 microns. Instead of metal foils or simultaneously with metal foils and metallized plastic films can be used.
  • Composites made of metal foils and plastic films can have a total thickness of 20 to 100 ⁇ m.
  • Papers, especially coated papers may have a basis weight of, for example, 20 to 80 g / m 2 , preferably 20 to 50 g / m 2 .
  • Composites containing paper and plastic films, optionally metal foils may have a total thickness of 20 to 300 microns.
  • Glues or adhesives such as polyurethane-based adhesives, or extrusion laminations can be used to bond the films and papers in film composites.
  • the packaging films can be coated with paints, such as clearcoats, topcoats, glossy or protective lacquers, in particular on the layers coming to the outside.
  • the printing material can also have plastic layers as extrusion layers.
  • a sealing lacquer for example a hot-sealing lacquer, may be applied over the whole area or part of the surface.
  • the sealing wax may be partial, the outlines of the shoulder of the container to be sealed, printed or applied. Also spacers, for easy separation of the lid boards from stacks, can be printed as a print pattern.
  • the substrates such as packaging materials, in roll form, are introduced into the web offset press.
  • the printing press may have one or more printing units, corresponding to a required single-color or multi-color printing. Depending on the number of printing unit and one or more printing form cylinder and printing plates are available. If the signal is triggered by the channel or marks are provided for the triggering of the signal on the plate cylinder or the printing plate, this signal is usually determined at one of the printing units, for example, the last printing unit in the printing direction.
  • the packaging materials can be printed on one or both sides, one or more colors. Also, in case of transparent or translucent films, a counter pressure can be applied. Also, paints, such as topcoats or sealing lacquers are applied all over or partially in a printing unit.
  • the printed substrate leaves the printing press and is guided into a punching device.
  • a lifting and lowering movement of a cutting tool bearing punch the cover plates are excluded from the substrate and removed, while the Beyakstoffreste go through a traction device and then rolled up usually.
  • the pulling device pulls the printing material at a constant speed through the punching machine. Runs now caused by the channel in the printing form blank or interruption in the printing, triggered by the signal and the calculated time for the passage of the substrate between signal delivery and running under the cutting tools of the punching machine, for example, a stepper motor, the feed briefly elevated. As a result, the blank space or interruption in the printing material is skipped with the same stamp stroke sequence.
  • the punch stroke may be delayed for the duration of passage of the channel among the cutting tools of the punch stroke.
  • Vorllegendes method in particular for the production of cover plates in large numbers and the same shape, resp. Outer contour, are used.
  • a number of consecutive print motifs can be printed on the substrate. The number of consecutive print motifs depends on the circumference of the printing form. In the punching machine, whose arrangement and number of cutting tools does not match the print motifs generated per printing plate perimeter, however, the individual cover blanks have to be punched in a dimensionally accurate manner according to the printing motif. If the space or interruption produced by the channel in the printing form arrives in the stamping device in the printed image, then this region must be skipped between two stamp strokes.
  • the signal which is determined, for example, optically, electronically or mechanically on the printing form, the printing form cylinder or on the printing substrate can be described as an impulse, e.g. electronic impulse, are fed to a progmmmlerbaren computer, which calculates the feed point and Vorgröss mecanic the feed from the data determined and controls the stepper motor accordingly.
  • the determined signal can be supplied as a pulse to a programmable computer, which calculates the position of the channel from the data determined to the cutting tool of the punch and controls the drive of the punching device accordingly. Since, depending on the plate cylinder and the tensioning device, the width of the channel may vary, e.g.
  • the channel width must be taken into account when the printing material passes through the punching machine. This is done by a momentary increase in the feed between two punching strokes and / or by a momentary delay of a punching stroke.
  • the docking boards produced by the present method are particularly suitable as lids for the closure of cups and trays, for example in the food and pharmaceutical industries.
  • lids for closing cups into which dairy products, such as yoghurt, cream, sour cream and preparations thereof, are filled.
  • Further areas of use of the lid materials described herein are applications in form, fill and seal machines. In these devices, the stamping process is also performed during the filling process.
  • the channel bypass is controlled analogously and is the same as in a separate punching operation.
  • the present invention also relates to an apparatus for the production of printed lid boards by printing substrate in the form of rolls with a print motif, comprising a web offset printing press, a punching device for punching the lid boards from the substrate by means of punching and a conveying path for the substrate.
  • a punching device for punching the lid boards from the substrate by means of punching
  • a conveying path for the substrate.
  • the apparatus includes a computer and a stepping motor for the advance of the printing material and / or a control for the punch drive, wherein a signal generated by the sensor increases the feed of the printing material in the punching device and / or temporally delayed the punching stroke.
  • the conveying path comprises the inlet of the printing material in the web offset printing press, the passage through one or more printing units and the subsequent conveying path through the punching device.
  • Cups, bowls, etc. for foods such as dairy products, ie milk, cream, yoghurt, sour cream and preparations thereof, puddings, creams, etc.
  • foods such as dairy products, ie milk, cream, yoghurt, sour cream and preparations thereof, puddings, creams, etc.
  • the device according to the invention and the method are also suitable for the closure of containers that are manufactured, filled and closed in a form, fill and seal machine.
  • pharmaceutical, cosmetic and other products can also be packaged in the aforementioned ways.
  • the process according to the invention can also be integrated into or form part of the process of a form, fill and seal machine (FFS machine). Accordingly, the process can be carried out in such a machine.
  • the present device can also be used as part of a form, fill and seal (FFS) machine.
  • FFS form, fill and seal
  • the sub-web with the molded and filled cups does not necessarily have to follow the controlled feed motion. For the sub-web, the mode of movement remains the same; constant.

Abstract

The method involves feeding the printed material to be printed in a punching device and punching the cover boards from the substrate by punching device. The printing is formed on substrate by triggering signal on printing plate of printing cylinder, so the advance of the printing material is increased in the punching device, and time delay of the punching stroke is return back to its original value. The interruption is occurred in form of print in outside range of punching knives or cutting tools of punching device. An independent claim is included for a device for manufacturing printed circuit cover board by printing substrate in form of rolls with print motif in web offset printing machine.

Description

Die Erfindung betrifft eine Vorrichtung und ein Verfahren zur Herstellung von bedruckten Deckelplatinen durch Bedrucken von Bedruckstoff in Form von Rollenware mit einem Druckmotiv In einer Rollenoffsetdruckmaschine, Zuführen des bedruckten Bedruckstoffes In eine Stanzvorrichtung und Ausstanzen der Deakelplatinen aus dem Bedruckstoff mittels Stanzen.The invention relates to an apparatus and a method for the production of printed lid boards by printing substrate in the form of rolls with a print motif In a web offset printing machine, feeding the printed substrate into a punching device and punching the Deakelplatinen from the substrate by means of punching.

Es ist aus dem Verpackungsdruck bekannt, Bedruckstoffe, wie beispielsweise Papier, Aluminium- und Kunststofffolien oder Kombinationen aus den Materialien im Bogen- oder Rollenoffsetdruckverfahren mit einem Druckmotiv zu bedrucken. Es ist auch bekannt, bedruckte Rollenware einer Stanzmaschine zuzuführen und Formen, wie beispielsweise Deckelplatinen, aus bedruckten Verpackungsmaterialien auszustanzen. Derartige mit dem Druckmotiv versehene Deckelplatinen können zur Bedeckelung von Behältern, wie beispielsweise Bechern oder Schalen dienen, Besonders wichtige Anwendungsformen von derartigen Platinen sind Deckel für das Verschliessen von Bechern und Schalen in der Nahrungsmlttel- und Pharmaindustrie. Insbesondere das Verschliessen von Bechern, in die Molkereiprodukte abgefüllt sind, verlangen nach kostengünstigen, leicht verarbeitbaren Deckeln. Gleiches gilt auch für Deckelmaterialien zur Anwendung in Form-Füll-Siegelmaschinen. Das Druckmotiv auf dem Bedruckstoff ist durch eine Mehrzahl von Elnzelmotlven gebildet. Ein Einzelmotiv entspricht in der Regel einem Deckel für einen Behälter. Um die Verlustmenge an Bedruckstoff gering zu halten, sind die Einzelmotive möglichst dicht zueinander und, je nach Aussenkontur ineinander verschachtelt, aufgedruckt.It is known from packaging printing to print substrates, such as paper, aluminum and plastic films or combinations of the materials in sheetfed or web offset printing process with a print motif. It is also known to feed printed roll goods to a punching machine and to punch out molds, such as cover blanks, from printed packaging materials. Such lidded printed circuit boards can be used to cover containers, such as cups or trays. Particularly important applications of such sinkers are lids for closing cups and trays in the food and pharmaceutical industries. In particular, the closure of cups in which dairy products are bottled require cost-effective, easily processable lids. The same applies to lid materials for use in form-fill-seal machines. The print motif on the printing substrate is formed by a plurality of individual patterns. A single motif usually corresponds to a lid for a container. In order to keep the loss of printing material low, the individual motifs are as close as possible to each other and, depending on the outer contour nested, printed.

Bedruckstoffe für genannte Anwendungen werden häufig im Flexo-Druck bedruckt. Der Flexo-Druck verlangt nach aufwendig herzustellenden und nicht sehr dauerhaften Druckformen. Dies ist für grosse Serien von Deckeln, wie sie beisplelsweise die Nahrungsmittelindustrie verlangt, nachteilig. Bei kleinen Serien oder häufigen Änderungen des Druckmotivs wirken sich die Herstellungskosten der Druckformen nachteilig auf die Kosten aus.Substrates for these applications are often printed in flexo printing. The flexo printing requires elaborate and not very durable printing forms. This is detrimental to large series of lids, as it may be required by the food industry. In small Series or frequent changes of the print design, the manufacturing cost of printing forms adversely affect the cost.

Aufgabe vorliegender Erfindung ist es, eine Vorrichtung und ein kostengünstiges, material-optimiertes Verfahren zur Herstellung von bedruckten Deckelplatinen, hergestellt aus einem Bedruckstoff, zu beschreiben, welches die Nachteile bisher eingesetzten Vorrichtungen und Verfahren vermeidet.Object of the present invention is to describe a device and a cost-effective, material-optimized method for the production of printed lid boards, made of a substrate, which avoids the disadvantages of previously used devices and methods.

Erfindungsgemäss wird dies durch ein Verfahren erreicht, gemäss dem, ausgelöst durch die Lage des durch die Druckform gebildeten Kanals am Druckformzylinder, der Vorschub des Bedruckstoffes in die Stanzvorrichtung vergrössert und anschllessend auf den Ursprungswert verkleinert wird und/oder der Stanzhub zeitlich verzögert und anschliessend wieder auf den Ursprungswert zurückgeführt wird, damit ein vom Kanal der Druckform erzeugter Unterbruch im Druckmotiv ausserhalb des Stanzbereiches der Stanzmesser oder Schneidwerkzeuge der Stanzvorrichtung liegt.According to the invention, this is achieved by a method according to which, triggered by the position of the channel formed by the printing plate on the printing form cylinder, the feed of the printing material is increased in the punching device and anschliessend reduced to the original value and / or the punching stroke delayed in time and then back on the original value is returned so that an interruption generated by the channel of the printing form in the print motif is outside the punching range of the punching blades or cutting tools of the punching device.

In einer Rollenoffsetdruckmaschine wird die Druckform mit dem Druckmotiv auf einen Druckformzylinder aufgespannt. Am Druckformzylinder, dort wo sich die Stirnflächen der Druckform berühren, resp. die Stirnseiten der Druckform mittels Spannvorrichtung am Druckformzylinder eingespannt werden, entsteht zwangsläufig ein Spalt, Kanal genannt. Im Bereich des Kanals ist das Druckmotiv unterbrochen, resp. das Druckmotiv ist derart zu gestalten und auf die Druckform aufzubringen, dass es den Kanal nicht überlappt. Dies bedeutet, dass mit dem auf den Bedruckstoff aufgebrachten Druckmotiv auch der Kanal, als Unterbrechung des Druckmotivs oder Leerstelle, abgebildet wird.In a web offset printing press, the printing form with the printing motif is clamped onto a printing form cylinder. On printing form cylinder, where the front surfaces of the printing form touch, resp. the end faces of the printing form are clamped by means of clamping device on the printing plate cylinder, inevitably creates a gap, called channel. In the area of the channel, the print motif is interrupted, resp. the print motif is to be designed and applied to the printing plate so that it does not overlap the channel. This means that with the print motif applied to the substrate also the channel, as an interruption of the print motif or blank, is displayed.

Die Länge des Druckmotivs - beispielsweise eine Vielzahl von Deckelplatinen darstellend - zwischen den Kanälen, d.h. die Abrolilänge des Druckformzylinders, ist in der Regel nicht identisch mit der Länge des Schneldewerkzeuges. Es bedarf dann mehr als eines Stempelhubs, um alle Deckelplatinen zwischen zwei Kanälen auszustanzen. Wird nun der Bedruckstoff der Stanzvorrichtung zugeführt, muss der Vorschub des Bedruckstoffes der Lage des Druckmotivs und des Kanals Rechnung tragen. Oder die Stanze muss der Lage des Kanals auf dem Bedruckstoff entsprechend gesteuert, Insbesondere zeitlich verzögert, werden. Schliesslich können sich beide Prozesse überlagern, wobei während des Durchlaufes des Kanals durch die Stanzvorrichtung der Vorschub des Bedruckstoffes vergrössert und abgestimmt der Stempelhub zeitlich verzögert wird.The length of the print motif - representing, for example, a plurality of lid blanks - between the channels, ie the Abrolilänge the plate cylinder, is usually not identical to the length of the Schneldewerkzeuges. It then takes more than one punch stroke to punch out all the lid blanks between two channels. Will now the Substrate supplied to the punching device, the feed of the substrate must take into account the position of the print motif and the channel. Or the punch must be controlled according to the location of the channel on the substrate, in particular delayed. Finally, both processes can overlap, whereby during the passage of the channel through the punching device, the feed of the printing material is increased and the punch stroke is delayed in time.

In der Stanzvorrichtung hebt und - für das eigentliche Ausstanzen - senkt sich der das Schneidwerkzeug tragende Stempel und trennt dabei die Deckelplatinen aus dem Bedruckstoff. Im Bereich des durch den Kanal abbildenden Teil des Druckmotivs muss der Vorschub des Bedruckstoffes vergrössert und, sobald das Abbild des Kanals das Schneidmesser passiert hat, wieder auf den Ursprungswert verkleinert werden. Dadurch wird beim Stempelhub die durch den Kanal In der Druckform erzeugte Leerstelle im Druckmotiv, übersprungen. Dies hat den Vorteil, dass der Stanzprozess im Register bleibt.In the punching device lifts and - for the actual punching - lowers the punch carrying the cutting tool and separates the cover plates from the substrate. In the region of the part of the print motif that is depicted by the channel, the feed of the printing material must be increased and, as soon as the image of the channel has passed the cutting knife, reduced to the original value. As a result, the space created by the channel in the printing form in the printing motif is skipped during the punch stroke. This has the advantage that the punching process remains in the register.

Im Rahmen des erfindungsgemässen Verfahrens kann der Stanzhub, d.h. die Stanzbewegung, sobald das Abbild des Kanals die Stanzvorrichtung passiert, zeitlich verzögert einsetzen und anschliessend können die Stanzhübe wieder auf den Ursprungswert zurückgeführt werden. Da das Ausstanzen der Deckelplatinen aus dem Bedruckstoff zwischen zwei Kanälen in der Regel mit mehr als einem Stanzhub erfolgt, ist die Stanze so zu steuern, dass beim Passieren eines Kanals der Stanzhub verzögert wird. Danach erfolgt das Stanzen im ursprünglichen Takt.In the context of the method according to the invention, the punching stroke, i. The punching movement, as soon as the image of the channel passes the punching device, delayed in use and then the punching strokes can be returned to the original value. Since the blanking of the cover plates made of the substrate between two channels usually takes place with more than one punching stroke, the punch is to be controlled so that when passing a channel of the punching stroke is delayed. Thereafter, the punching takes place in the original clock.

Die andere Möglichkeit ist die Vorschublänge beim Passieren des Kanals zu vergrössern und anschliessend wieder auf den ursprünglichen Wert zu vermindern. Eine weitere Möglichkeit ist, simultan Stanzhub und Vorschublänge zu steuern.The other option is to increase the feed length when passing through the channel and then reduce it to its original value. Another possibility is to simultaneously control punching stroke and feed length.

Gegenüber bekannten Verfahren wird erreicht, dass in der erfindungsgemässen Vorrichtung und nach vorliegendem Offsetdruckverfahren die Abfallmenge an bedruckten Materialien sich reduziert.Compared with known methods, it is achieved that in the device according to the invention and according to the present offset printing method, the amount of waste of printed materials is reduced.

Beim erfindungsgemässen Verfahren kann an der Druckmaschine durch einen Sensor die Lage des Kanals an der Druckform am Druckformzylinder ermittelt (Registersprung) werden. Dies kann optisch, elektronisch und fallweise auch mechanisch erfolgen. Die Information kann dann in ein elektronisches Signal umgewandelt werden. Das Signal kann einem Schrittmotor, weicher das Bedruckmaterial durch die Stanzvorrichtung zieht, übermittelt werden. Auch kann das Signal der Stanzvorrichtung, mit weicher das Schneidwerkzeug die Platinen ausstanzt, übermittelt werden. Unter Berücksichtigung des Transportweges des Bedruckstoffes durch die Druckmaschine und die Stanzmaschine kann der Schrittmotor, resp. der Stanzantrieb, angesteuert werden. Sobald der durch den Kanal erzeugte Unterbruch im Druckmotiv auf dem Bedruckstoff in den Bereich der Stanzmesser gelangt, erhöht der Schrittmotor die Vorschubgeschwindigkeit, so dass beim nächstfolgenden Stempelhub das Schneidwerkzeug wieder genau die Umrandung eines Einzelmotivs auf dem Bedruckstoff trifft. Demzufolge kann der Schrittmotor durch die Lage des Kanals des Druckformzylinders gesteuert werden.In the method according to the invention, the position of the channel on the printing form on the printing form cylinder can be determined (register jump) on the printing press by a sensor. This can be done optically, electronically and occasionally mechanically. The information can then be converted into an electronic signal. The signal can be transmitted to a stepping motor, which pulls the printing material through the punching device. Also, the signal of the punching device with which the cutting tool punches the boards can be transmitted. Taking into account the transport path of the printing material by the printing press and the punching machine, the stepper motor, resp. the punch drive, are controlled. As soon as the interruption generated by the channel in the print motif on the printing material reaches the area of the punching knife, the stepping motor increases the feed rate, so that the cutting tool hits the border of a single motif on the printing material again during the next punch stroke. As a result, the stepper motor can be controlled by the position of the channel of the plate cylinder.

Alternativ oder gleichzeitig kann, sobald der durch den Kanal erzeugte Unterbruch im Druckmotiv auf dem Bedruckstoff in den Bereich der Stanzmesser gelangt, das Senken des Stempels mit den Schneidwerkzeugen verzögert werden, so dass beim nächstfolgenden Stempelhub das Schneidwerkzeug wieder genau die Umrandungen der Einzelmotive auf dem Bedruckstoff trifft. Die Verzögerung Im Stempelhub kann durch die Auswertung des Signals und entsprechende Steuerung des Antriebes und/oder die mechanische Übertragung der Antriebskraft auf den Stempel erfolgen.Alternatively or at the same time, as soon as the interruption generated by the channel in the print motif reaches the area of the punching knife on the printing material, the sinking of the punch with the cutting tools can be delayed, so that the next time the punch stroke the cutting tool again exactly the borders of the individual motifs on the substrate meets. The delay in the punch stroke can be done by evaluating the signal and corresponding control of the drive and / or the mechanical transmission of the driving force on the stamp.

Sowohl die Vergrösserung des Vorschubes, als auch Verzögerung des Stanzhubes können simultan erfolgen. Oder es kann nur eine der beiden Massnahmen durchgeführt werden. Bevorzugt wird die Vorgrösserung das Vorschubes angewendet.Both the enlargement of the feed, as well as the delay of the punching stroke can take place simultaneously. Or it can only be one of the two Measures are carried out. Preferably, the Vorgrösserung the feed is applied.

Ebenfalls nach vorliegender Erfindung, kann das Signal, welches den Schrittmotor oder den Antrieb der Stanzvorrichtung steuert, durch eine Markierung an der Druckform oder am Druckformzylinder erzeugt werden. Die Markierung kann beispielsweise auf optische, elektronische oder magnetische Weise erkannt und ein Signal generiert werden. In alternatives Weise kann das Signal In Form einer auf den Bedruckstoff aufgedruckten Markierung erzeugt und mit dem Signal der Schrittmotor und/oder der Antrieb der Stanzvorrichtung gesteuert werden. Das Signal am Bedruckstoff kann bereits in der Druckmaschine oder entlang des Laufweges des Bedruckstoffes bis zur Stanzvorrichtung abgelesen, umgesetzt und als Steuersignal dem Schrittmotor und/oder dem Antrieb der Stanze zugeführt werden.Also according to the present invention, the signal which controls the stepping motor or the drive of the punching device can be generated by a marking on the printing plate or on the printing form cylinder. The marking can be detected, for example, in an optical, electronic or magnetic manner and a signal can be generated. Alternatively, the signal may be generated in the form of a mark printed on the substrate and controlled by the signal of the stepping motor and / or the drive of the punching device. The signal on the printing material can already be read in the printing machine or along the path of the printing material to the punching device, implemented and supplied as a control signal to the stepper motor and / or the drive of the punch.

Zweckmässig wird der Vorschub das Bedruckstoffes durch die Stanzvorrichtung mittels eines Schrittmotors erzeugt. Der Schrittmotor ist insbesondere nach der Stanzvorrichtung angeordnet und treibt die Zugvorrichtung an - beispielsweise ein Walzenpaar - die den Bedruckstoff durch die Stanzvorrichtung zieht.Suitably, the feed of the printing material is produced by the punching device by means of a stepper motor. The stepping motor is arranged in particular after the punching device and drives the pulling device - for example a pair of rollers - which pulls the printing material through the punching device.

Beim Bedruckstoff, Druckträger oder Substrat kann es sich um Verpackungsfolien handeln. Geeignete Verpackungsfolien können einen Schichtaufbau, enthaltend eine oder mehrere Kunststofffolien, Metallfolien, Papiere, Lacke und/oder Klebstoffe aufweisen. Als Kunststofffolien können Folien aus Polyestern, wie Standard-PET oder Formen wie A-PET oder G-PET, eingesetzt werden. Zu nennen sind auch Kunststoffolien aus biologisch abbaubaren Stoffen, beispielsweise aus PLA (Poly Lactic Acid) oder aus stärkebasierten Kunststoffen. Weitere Beispiele sind Folien aus Polyolefinen, wie Polyethylenen oder Polypropylenen oder Folien aus PVC. Weitere Formen, wie Co-, Misch- und Pfropfpolymerisate der genannten Kunststoffe können Anwendung finden. Die Folien können als Monofolien oder als Folienverbunde aus zwei oder mehreren Folien gleichen oder unterschiedlichen Materials angewendet werden. Die Dicke von Kunststoff-Monofolien kann von 7 bis 100 µm, zweckmässig von 7 bis 50, insbesondere von 7 bis 25 µm betragen. Kunststofffolienverbunde können eine Gesamtdicke von 15 bis 100 µm aufweisen. Geeignete Metallfolien sind Folien aus Aluminium, Aluminiumlegierungen oder Stahl in Dicken von 7 bis 80 µm. Anstelle von Metallfolien oder gleichzeitig mit Metallfolien können auch metallisierte Kunststofffolien eingesetzt werden. Verbunde aus Metallfolien und Kunststofffolien können eine Gesamtdicke von 20 bis 100 µm ausweisen. Papiere, Insbesondere gestrichene Papiere, können ein Flächengewicht von beispielsweise 20 bis 80 g/m2, vorzugsweise 20 bis 50 g/m2 aufweisen. Verbunde enthaltend Papier und Kunststofffolien, gegebenenfalls noch Metallfolien können eine Gesamtdicke von 20 bis 300 µm aufweisen. Zur Verbindung der Folien und Papiere in Folienverbunden können Leime oder Klebstoffe, wie auf Polyurethan basierende Klebstoffe, oder Extrusionskaschierungen verwendet werden. Die Verpackungsfolien können, insbesondere auf der nach aussen zu liegend kommenden Schichten, mit Lacken, wie Klar-, Deck-, Glanz- oder Schutzlacken beschichtet sein. Der Bedruckstoff kann auch Kunststoffschichten als Extrusionsschichten aufweisen. Beidseitig, insbesondere jedoch auf der bezüglich des zu bedeckelnden Behälters nach innen zu liegen kommenden Seite der Verpackungsfolie kann vollflächig oder teilflächig ein Siegellack, beispielsweise ein Heisssiegellack, angebracht sein. Der Siegellack kann teilflächig, die Umrisse der Schulter des zu versiegelnden Behälters darstellend, aufgedruckt oder aufgetragen sein. Ebenfalls können Abstandshalter, zur leichten Vereinzelung der Deckelplatinen aus Stapeln, als Druckmuster aufgedruckt werden.The printing substrate, printing substrate or substrate may be packaging films. Suitable packaging films may have a layer structure comprising one or more plastic films, metal foils, papers, lacquers and / or adhesives. As plastic films, films of polyesters, such as standard PET or forms such as A-PET or G-PET, can be used. Also worth mentioning are plastic films made of biodegradable materials, such as PLA (Poly Lactic Acid) or starch-based plastics. Further examples are films of polyolefins, such as polyethylenes or polypropylenes or films of PVC. Other forms, such as co-, mixed and graft polymers of the plastics mentioned can be used. The films can be monofilms or film composites of two or more films of the same or different material be applied. The thickness of plastic monofilms can be from 7 to 100 μm, advantageously from 7 to 50, in particular from 7 to 25 μm. Plastic film composites may have a total thickness of 15 to 100 microns. Suitable metal foils are films of aluminum, aluminum alloys or steel in thicknesses of 7 to 80 microns. Instead of metal foils or simultaneously with metal foils and metallized plastic films can be used. Composites made of metal foils and plastic films can have a total thickness of 20 to 100 μm. Papers, especially coated papers, may have a basis weight of, for example, 20 to 80 g / m 2 , preferably 20 to 50 g / m 2 . Composites containing paper and plastic films, optionally metal foils may have a total thickness of 20 to 300 microns. Glues or adhesives, such as polyurethane-based adhesives, or extrusion laminations can be used to bond the films and papers in film composites. The packaging films can be coated with paints, such as clearcoats, topcoats, glossy or protective lacquers, in particular on the layers coming to the outside. The printing material can also have plastic layers as extrusion layers. On both sides, but in particular on the side of the packaging film coming to lie inwardly with respect to the container to be covered, a sealing lacquer, for example a hot-sealing lacquer, may be applied over the whole area or part of the surface. The sealing wax may be partial, the outlines of the shoulder of the container to be sealed, printed or applied. Also spacers, for easy separation of the lid boards from stacks, can be printed as a print pattern.

Beispiele von bevorzugten Verpackungsfolien, die als Bedruckstoffe eingesetzt werden können, sind:

  • Auf der Vorderseite bedruckte Aluminiumfolie in einer Dicke von 20 bis 50 µm mit einem auf der Ruchseite aufgebrachten Heisssiegellack in Mengen von 2 bis 10 g/m2 oder einer Extruslonsbeschichtung In Mengen von 10 bis 30 g/m2.
Examples of preferred packaging films which can be used as printing materials are:
  • On the front printed aluminum foil in a thickness of 20 to 50 microns with an applied on the Ruchseite Heisssiegellack in amounts of 2 to 10 g / m 2 or a Extruslonsbeschichtung In amounts of 10 to 30 g / m 2 .

Weitere Beispiele sind Folien mit einem Schichtaufbau von übereinanderliegenden Schichten aus:

  • Bedruckung / Papier gestrichen, 20 bis 50 g/m2/ PET in einer Dicke von 7 bis 25 µm / Heisssiegellack oder Extrusionsschicht von 2 bis 10 g/m2.
  • In der Fachwelt sind derartige Verpackungsmaterialien als Mix-Pap bekannt und weisen eine gute Eignung für den Einsatz in Form-Füll-Schliessmaschinen auf.
Further examples are films with a layer structure of superposed layers of:
  • Printing / paper coated, 20 to 50 g / m 2 / PET in a thickness of 7 to 25 microns / Heisssiegellack or extrusion layer of 2 to 10 g / m 2 .
  • In the art, such packaging materials are known as Mix-Pap and have good suitability for use in form-fill-closing machines.

Eine weitere Gruppe von Verpackungsmaterialien, die als Bedruckstoffe eingesetzt werden können, sind Verbunde aus Kunststoffen und Aluminlumfolien:

  • Druck / Aluminiumfolie in einer Dicke von 7 bis 20 µm / PET 7 bis 25 µm / Heisssiegellack oder Extrusionsschicht von 2 bis 10 g/m2.
Another group of packaging materials that can be used as substrates are composites of plastics and aluminum foils:
  • Printing / aluminum foil in a thickness of 7 to 20 μm / PET 7 to 25 μm / hot-melt sealant or extrusion layer of 2 to 10 g / m 2 .

Eine andere Gruppe von Verpackungsmaterialien, die beispielsweise gute Eigenschaften bezüglich Planlage in Stanzmaschinen aufweisen, sind aufgebaut aus:

  • PET 7 bis 20 µm / Papier gestrichen, 20 bis 40 g/m2 / PET 7 bis 20 µm.
Another group of packaging materials, which for example have good flatness properties in punching machines, are composed of:
  • PET 7 to 20 μm / paper coated, 20 to 40 g / m 2 / PET 7 to 20 μm.

Die Bedruckstoffe, wie Verpackungsmaterialien, in Rollenform vorliegend, werden in die Rollenoffsetdruckmaschine eingeführt. Die Druckmaschine kann eines oder mehrere Druckwerke aufweisen, entsprechend einem geforderten Einfarben- oder Mehrfarbendruck. Entsprechend der Anzahl der Druckwerk sind auch ein oder mehrere Druckformzylinder und Druckformen vorhanden. Wird das Signal durch den Kanal ausgelöst oder sind Markierungen für die Auslösung des Signals am Druckformzylinder oder der Druckform vorgesehen, so wird dieses Signal in der Regel an einem der Druckwerke, beispielsweise am letzten Druckwerk in Druckrichtung, ermittelt.The substrates, such as packaging materials, in roll form, are introduced into the web offset press. The printing press may have one or more printing units, corresponding to a required single-color or multi-color printing. Depending on the number of printing unit and one or more printing form cylinder and printing plates are available. If the signal is triggered by the channel or marks are provided for the triggering of the signal on the plate cylinder or the printing plate, this signal is usually determined at one of the printing units, for example, the last printing unit in the printing direction.

Die Verpackungsmaterialien können ein- oder beidseitig, ein- oder mehrfarbig bedruckt werden. Auch kann, bei durchsichtigen oder durchscheinenden Folien, ein Konterdruck angebracht werden. Ebenfalls können Lacke, wie Decklacke oder Siegellacke vollflächig oder partiell in einem Druckwerk aufgetragen werden.The packaging materials can be printed on one or both sides, one or more colors. Also, in case of transparent or translucent films, a counter pressure can be applied. Also, paints, such as topcoats or sealing lacquers are applied all over or partially in a printing unit.

Gemäss vorliegendem Verfahren verlässt der bedruckte Bedruckstoff die Druckmaschine und wird in eine Stanzvorrichtung geführt. Durch eine Hub- und Senkbewegung eines Schneidwerkzeuge tragenden Stempels werden die Deckelplatinen aus dem Bedruckstoff ausgenommen und abgeführt, während die Bedruckstoffreste eine Zugvorrichtung durchlaufen und danach in der Regel aufgerollt werden. Die Zugvorrichtung zieht den Bedruckstoff mit an sich konstanter Geschwindigkeit durch die Stanzmaschine. Läuft nun die durch den Kanal in der Druckform verursachte Leerstelle oder Unterbruch in der Bedruckung, wird, ausgelöst durch das Signal und die berechnete Zeit für den Durchlauf des Bedruckstoffes zwischen Signalabgabe und Einlaufen unter die Schneidewerkzeuge der Stanzmaschine, durch beispielsweise einen Schrittmotor, der Vorschub kurzzeitig erhöht. Dadurch wird bei gleichmässlger Stempelhubfolge die Leerstelle oder Unterbruch im Bedruckstoff übersprungen. Alternativ oder gleichzeitig kann der Stempelhub für die Dauer des Durchlaufens des Kanals unter den Schneidewerkzeugen der Stempelhub verzögert werden.According to the present method, the printed substrate leaves the printing press and is guided into a punching device. By a lifting and lowering movement of a cutting tool bearing punch the cover plates are excluded from the substrate and removed, while the Bedruckstoffreste go through a traction device and then rolled up usually. The pulling device pulls the printing material at a constant speed through the punching machine. Runs now caused by the channel in the printing form blank or interruption in the printing, triggered by the signal and the calculated time for the passage of the substrate between signal delivery and running under the cutting tools of the punching machine, for example, a stepper motor, the feed briefly elevated. As a result, the blank space or interruption in the printing material is skipped with the same stamp stroke sequence. Alternatively or simultaneously, the punch stroke may be delayed for the duration of passage of the channel among the cutting tools of the punch stroke.

Vorllegendes Verfahren kann insbesondere zur Erzeugung von Deckelplatinen in grosser Zahl und gleicher Form, resp. Aussenkontur, eingesetzt werden. Auf dem Bedruckstoff können eine Anzahl aufeinander folgende Druckmotive aufgedruckt werden. Die Anzahl einander folgender Druckmotive richtet sich nach dem Umfang der Druckform. In der Stanzmaschine, deren Anordnung und Zahl der Schneidwerkzeuge nicht mit dem pro Druckformumfang erzeugter Druckmotive übereinstimmt, müssen die einzelnen Deckelplatinen jedoch massgenau, dem Druckmotiv entsprechend, ausgestanzt werden. Gelangt die durch den Kanal in der Druckform erzeugte Leerstelle oder Unterbruch im Druckbild in die Stanzvorrichtung, so muss dieser Bereich zwischen zwei Stempelhüben übersprungen werden.Vorllegendes method, in particular for the production of cover plates in large numbers and the same shape, resp. Outer contour, are used. A number of consecutive print motifs can be printed on the substrate. The number of consecutive print motifs depends on the circumference of the printing form. In the punching machine, whose arrangement and number of cutting tools does not match the print motifs generated per printing plate perimeter, however, the individual cover blanks have to be punched in a dimensionally accurate manner according to the printing motif. If the space or interruption produced by the channel in the printing form arrives in the stamping device in the printed image, then this region must be skipped between two stamp strokes.

Das beispielsweise optisch, elektronisch oder mechanisch an der Druckform, dem Druckformzylinder oder am Bedruckstoff ermittelte Signal kann als Impuls, z.B. elektronischer Impuls, einem progmmmlerbaren Rechner zugeführt werden, der aus den ermittelten Daten die Vorschubstelle und Vorgrösserung des Vorschubs errechnet und den Schrittmotor entsprechend ansteuert. Das ermittelte Signal kann als Impuls, einem programmierbaren Rechner zugeführt werden, der aus den ermittelten Daten die Lage des Kanals zum Schneidwerkzeug der Stanze errechnet und den Antrieb der Stanzvorrlchtung entsprechend ansteuert. Da je nach Druckformzylinder und Spannvorrichtung die Breite des Kanals varlleren kann, so z.B. zwlschen 1 mm und 5 mm, In der Regel weniger als 3 mm, muss die Kanalbreite beim Durchlauf des Bedruckstoffes durch die Stanzmaschine berücksichtigt werden. Dies erfolgt durch eine momentane Vergrösserung des Vorschubes zwischen zwei Stanzhüben und/oder durch eine momentane Verzögerung eines Stanzhubes.The signal which is determined, for example, optically, electronically or mechanically on the printing form, the printing form cylinder or on the printing substrate can be described as an impulse, e.g. electronic impulse, are fed to a progmmmlerbaren computer, which calculates the feed point and Vorgrösserung the feed from the data determined and controls the stepper motor accordingly. The determined signal can be supplied as a pulse to a programmable computer, which calculates the position of the channel from the data determined to the cutting tool of the punch and controls the drive of the punching device accordingly. Since, depending on the plate cylinder and the tensioning device, the width of the channel may vary, e.g. between 1 mm and 5 mm, usually less than 3 mm, the channel width must be taken into account when the printing material passes through the punching machine. This is done by a momentary increase in the feed between two punching strokes and / or by a momentary delay of a punching stroke.

Die nach vorliegendem Verfahren hergestellten Dockelplatinen sind besonders geeignet als Deckel für das Verschliessen von Bechern und Schalen, beispielsweise in der Nahrungsmittel- und Pharmaindustrie. Beispiele sind insbesondere Deckel zum Verschliessen von Bechern, in die Molkereiprodukte, wie Yoghurt, Sahne, Sauerrahm und Zubereitungen daraus, abgefüllt sind. Weitere Einsatzbereiche der vorliegend beschriebenen Deckelmaterialien sind Anwendungen in Form-, Füll- und Verschliessmaschinen. In diesen Vorrichtungen wird beim Abfüllprozess auch der Stanzprozess durchgeführt. Die Steuerung der Kanalüberbrückung erfolgt sinngemäss und Ist die gleiche wie in einem separaten Arbeitsgang des Stanzens.The docking boards produced by the present method are particularly suitable as lids for the closure of cups and trays, for example in the food and pharmaceutical industries. Examples are, in particular, lids for closing cups, into which dairy products, such as yoghurt, cream, sour cream and preparations thereof, are filled. Further areas of use of the lid materials described herein are applications in form, fill and seal machines. In these devices, the stamping process is also performed during the filling process. The channel bypass is controlled analogously and is the same as in a separate punching operation.

Vorliegende Erfindung betrifft auch eine Vorrichtung zur Herstellung von bedruckten Deckelplatinen durch Bedrucken von Bedruckstoff in Form von Rollenware mit einem Druckmotiv, umfassend eine Rollenoffsetdruckmaschine, eine Stanzvorrichtung zum Ausstanzen der Deckelplatinen aus dem Bedruckstoff mittels Stanzen und ein Förderweg für den Bedruckstoff. An der Vorrichtung, im Bereich des Förderweges ist wenigstens ein Sensor angeordnet und die Vorrichtung enthält einen Rechner und einen Schrittmotor für den Vorschub des Bedruckstoffes und/oder eine Steuerung für den Stanzenantrieb, wobei ein durch den Sensor erzeugtes Signal den Vorschub des Bedruckstoffes in die Stanzvorrichtung vergrössert und/oder den Stanzhub zeitlich verzögert.The present invention also relates to an apparatus for the production of printed lid boards by printing substrate in the form of rolls with a print motif, comprising a web offset printing press, a punching device for punching the lid boards from the substrate by means of punching and a conveying path for the substrate. At the device, in the region of the conveying path is at least one sensor arranged and the apparatus includes a computer and a stepping motor for the advance of the printing material and / or a control for the punch drive, wherein a signal generated by the sensor increases the feed of the printing material in the punching device and / or temporally delayed the punching stroke.

Der Förderweg umfasst den Einlauf des Bedruckstoffes in die Rollenoffsetdruckmaschine, den Durchlauf durch eines oder mehrere Druckwerke und den nachfolgenden Förderweg durch die Stanzvorrichtung.The conveying path comprises the inlet of the printing material in the web offset printing press, the passage through one or more printing units and the subsequent conveying path through the punching device.

Mit den vorliegenden Deckelplatinen können Becher, Schalen etc. für Nahrungsmittel, wie Molkereiprodukte, also Milch, Sahne, Yoghurt, Sauerrahm und Zubereitungen daraus, Puddings, Cremes usw., verschlossen, insbesondere versiegelt werden. Die erfindungsgemässe Vorrichtung und das Verfahren eignen sich auch für das Verschliessen von Behältern, die in einer Form-, Füll- und Verschliessmaschine gefertigt, befüllt und verschlossen werden. Neben Nahrungsmitteln und Speisezubereitungen können auch pharmazeutische, kosmetische und andere Produkte auf genannte Weisen abgepackt werden.Cups, bowls, etc. for foods such as dairy products, ie milk, cream, yoghurt, sour cream and preparations thereof, puddings, creams, etc., can be closed, in particular sealed, with the present lid plates. The device according to the invention and the method are also suitable for the closure of containers that are manufactured, filled and closed in a form, fill and seal machine. In addition to food and food preparations, pharmaceutical, cosmetic and other products can also be packaged in the aforementioned ways.

Das erfindungsgemässe Verfahren kann auch in das Verfahren einer Form-, Füll- und Verschliessmaschine (FFS-Maschine) integriert werden oder Teil davon bilden, Dementsprechend kann das Verfahren in einer derartigen Maschine durchgeführt werden. Vorliegende Vorrichtung kann auch als Teil einer Form-, Füll- und Verschliessmaschine (FFS-Maschine) angewendet werden. In der FFS-Maschine kann durch eine getaktete Steuerung der Oberbahn, d.h. dem Bedruckstoff, aus welchem die Deckelplatinen gestanzt werden, der Vorschub vergrössert und anschliessend wieder auf den Ursprungswert oder Standardvorschub verkleinert werden. Demgegenüber muss die Unterbahn mit den geformten und gefüllten Bechern die gesteuerte Vorschubbewegung nicht zwingend nachvollziehen, Für die Unterbahn bleibt der Bewegungsmodus gleich, d.h. konstant.The process according to the invention can also be integrated into or form part of the process of a form, fill and seal machine (FFS machine). Accordingly, the process can be carried out in such a machine. The present device can also be used as part of a form, fill and seal (FFS) machine. In the FFS machine, a clocked control of the top web, i. the substrate, from which the cover plates are punched, the feed magnified and then reduced to the original value or standard feed. In contrast, the sub-web with the molded and filled cups does not necessarily have to follow the controlled feed motion. For the sub-web, the mode of movement remains the same; constant.

Claims (10)

Verfahren zur Herstellung von bedruckten Deckelplatinen durch Bedrucken von Bedruckstoff In Form von Rollenware mit einem Druckmotiv in einer Rollenoffsetdruckmaschine, Zuführen des bedruckten Bedruckstoffes in eine Stanzvorrichtung und Ausstanzen der Deckelplatinen aus dem Bedruckstoff mittels Stanzen,
dadurch gekennzeichnet, dass,
ausgelöst durch die Lage des durch die Druckform gebildeten Kanals am Druckformzylinder, der Vorschub des Bedruckstoffes in die Stanzvorrichtung vergrössert und anschliessend auf den Ursprungswert verkleinert wird und/oder der Stanzhub zeitlich verzögert und anschllessend wieder auf den Ursprungswert zurückgeführt wird, damit ein vom Kanal der Druckform erzeugter Unterbruch im Druckmotiv ausserhalb des Stanzbereiches der Stanzmesser oder Schneidwerkzeuge der Stanzvorrichtung liegt.Method for producing printed cover plates by printing substrate in the form of rolls with a printing motif in a web offset printing machine, feeding the printed substrate into a punching device and punching the cover plates from the substrate by means of stamping,
characterized in that
triggered by the position of the channel formed by the printing plate on the printing form cylinder, the feed of the printing material in the punching device is increased and then reduced to the original value and / or the punching stroke is delayed and subsequently returned to the original value, so that one from the channel of the printing plate generated interruption in the print motif outside the punching area of the punching blade or cutting tools of the punching device is located. Verfahren gemäss Anspruch 1, dadurch gekennzeichnet, dass, ausgelöst durch die Lage des durch die Druckform gebildeten Kanals am Druckformzylinder, der Vorschub des Bedruckstoffes in die Stanzvorrichtung vergrössert und anschliessend auf den Ursprungswert verkleinert wird, damit ein vom Kanal der Druckform erzeugter Unterbruch im Druckmotiv ausserhalb des Stanzbereiches der Stanzmesser oder Schneidwerkzeuge liegt.A method according to claim 1, characterized in that , triggered by the position of the channel formed by the printing plate on the printing form cylinder, the feed of the printing material in the punching device enlarged and then reduced to the original value, so that generated by the channel of the printing form interruption in the print motif outside the punching area of the punching blade or cutting tools is located. Verfahren gemäss Anspruch 1, dadurch gekennzeichnet, dass, ausgelöst durch die Lage des durch die Druckform gebildeten Kanals am Druckformzylinder, der Stanzhub zeitlich verzögert und anschliessend wieder auf den Ursprungswert zurückgeführt wird, damit ein vom Kanal der Druckform erzeugter Unterbruch im Druckmotiv ausserhalb des Stanzbereiches der Stanzmesser oder Schneidwerkzeuge liegt.A method according to claim 1, characterized in that , triggered by the position of the channel formed by the printing plate on the printing form cylinder, the punching stroke is delayed in time and then returned to the original value, so that one of the channel of the Printing form generated interruption in the printing subject outside the punching range of the punching or cutting tools is. Verfahren gemäss Anspruch 1, dadurch gekennzeichnet, dass der Vorschub des Bedruckstoffes in die Stanzvorrichtung durch einen Schrittmotor gesteuert wird und/oder der zeitlich verzögerte Stanzhub durch einen entsprechenden Stanzenantrieb gesteuert wird.A method according to claim 1, characterized in that the feed of the printing material in the punching device is controlled by a stepper motor and / or the time-delayed punching stroke is controlled by a corresponding punch drive. Verfahren gemäss Anspruch 1, dadurch gekennzeichnet, dass der Schrittmotor und/oder der Stanzenantrieb durch die Lage des Kanals der Druckform am Druckformzylinder gesteuert wird.A method according to claim 1, characterized in that the stepping motor and / or the punch drive is controlled by the position of the channel of the printing form on the printing form cylinder. Verfahren gemäss Anspruch 1, dadurch gekennzeichnet, dass der Schrittmotor und/oder der Stanzenantrieb durch eine Markierung an der Druckform oder am Druckformzylinder gesteuert wird.A method according to claim 1, characterized in that the stepping motor and / or the punch drive is controlled by a marking on the printing plate or on the printing form cylinder. Verfahren gemäss Anspruch 1, dadurch gekennzeichnet, dass der Schrittmotor und/oder der Stanzenantrieb durch eine Markierung am Bedruckstoff gesteuert wird.A method according to claim 1, characterized in that the stepping motor and / or the punch drive is controlled by a marking on the substrate. Verfahren gemäss Anspruch 1, ausgeführt in einer Form-, Füll- und Verschliessmaschine.Process according to claim 1, carried out in a molding, filling and sealing machine. Vorrichtung zur Herstellung von bedruckten Deckelplatinen durch Bedrucken von Bedruckstoff in Form von Rollenware mit einem Druckmotiv, umfassend eine Rollenoffsetdruckmaschine, eine Stanzvorrichtung zum Ausstanzen der Deckelplatinen aus dem Bedruckstoff mittels Stanzen und ein Förderweg für den Bedruckstoff
dadurch gekennzeichnet, dass,
im Bereich des Förderweges wenigstens ein Sensor angeordnet ist, die Vorrichtung einen Rechner und einen Schrittmotor für den Vorschub des Bedruokstoffes und/oder eine Steuerung für den Stanzenantrieb enthält, wobei ein durch den Sensor erzeugtes Signal der Vorschub des Bedruckstoffes in die Stanzvorrichtung vergrössert und/oder den Stanzhub zeitlich verzögert.Device for producing printed cover plates by printing substrate in the form of rolls with a print motif, comprising a web offset printing press, a punching device for punching the cover plates from the substrate by means of punching and a conveying path for the printing material
characterized in that
in the region of the conveying path at least one sensor is arranged, the Device includes a computer and a stepper motor for the advance of Bedruokstoffes and / or a control for the punch drive, wherein a signal generated by the sensor, the feed of the printing material in the punching device increases and / or delays the punching stroke in time. Vorrichtung gemäss Anspruch 9, dadurch gekennzeichnet, dass, als Teil einer Form-, Füll- und Verschliessmaschine, im Bereich des Förderweges des Bedruckstoffes wenigstens ein Sensor angeordnet ist, die Vorrichtung einen Rechner und einen Schrittmotor für den Vorschub des Bedruckstoffes und/oder eine Steuerung für den Stanzenantrieb enthält, wobei ein durch den Sensor erzeugtes Signal der Vorschub des Bedruckstoffes in die Stanzvorrichtung vergrössert und/oder den Stanzhub zeitlich verzögert.Apparatus according to claim 9, characterized in that , as part of a form, fill and seal machine, in the region of the conveying path of the printing material at least one sensor is arranged, the apparatus comprises a computer and a stepping motor for advancing the printing material and / or a controller contains for the punch drive, wherein a signal generated by the sensor, the feed of the printing material in the punching device increases and / or delays the punching stroke in time.
EP13001308.9A 2013-03-14 2013-03-14 Method for producing lids Not-in-force EP2777936B1 (en)

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EP13001308.9A EP2777936B1 (en) 2013-03-14 2013-03-14 Method for producing lids

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Application Number Priority Date Filing Date Title
EP13001308.9A EP2777936B1 (en) 2013-03-14 2013-03-14 Method for producing lids

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EP2777936A1 true EP2777936A1 (en) 2014-09-17
EP2777936B1 EP2777936B1 (en) 2016-09-28

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017257A (en) * 1989-12-26 1991-05-21 Imtec Inc. Variable length die cutter and method of cutting composite label
GB2271318A (en) * 1992-10-12 1994-04-13 Heidelberger Druckmasch Ag Setting a cross-cutting device of a web-fed printing press.
DE10023625A1 (en) * 2000-05-13 2001-11-22 Aradex Ag Control point regulation system, has scaling that can be varied to regulate driven roller movement to demand value depending on signals generated during detection of control markers
EP2226181A1 (en) * 2009-03-03 2010-09-08 Bernhard J. Borgardt Method and device for printing and processing a plastic film sheet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017257A (en) * 1989-12-26 1991-05-21 Imtec Inc. Variable length die cutter and method of cutting composite label
GB2271318A (en) * 1992-10-12 1994-04-13 Heidelberger Druckmasch Ag Setting a cross-cutting device of a web-fed printing press.
DE10023625A1 (en) * 2000-05-13 2001-11-22 Aradex Ag Control point regulation system, has scaling that can be varied to regulate driven roller movement to demand value depending on signals generated during detection of control markers
EP2226181A1 (en) * 2009-03-03 2010-09-08 Bernhard J. Borgardt Method and device for printing and processing a plastic film sheet

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