DE3045706A1 - Cover strip glued to edge of workpiece - esp. of wood using resistant adhesive applied liq. and set by ultrasonic energy - Google Patents

Cover strip glued to edge of workpiece - esp. of wood using resistant adhesive applied liq. and set by ultrasonic energy

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Publication number
DE3045706A1
DE3045706A1 DE19803045706 DE3045706A DE3045706A1 DE 3045706 A1 DE3045706 A1 DE 3045706A1 DE 19803045706 DE19803045706 DE 19803045706 DE 3045706 A DE3045706 A DE 3045706A DE 3045706 A1 DE3045706 A1 DE 3045706A1
Authority
DE
Germany
Prior art keywords
glue
workpiece
cover strip
ultrasonic energy
wood
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.)
Ceased
Application number
DE19803045706
Other languages
German (de)
Inventor
Walter 8214 Bernau Nicklas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Reich Spezialmaschinen GmbH
Original Assignee
Karl M Reich Maschinenfabrik GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Karl M Reich Maschinenfabrik GmbH filed Critical Karl M Reich Maschinenfabrik GmbH
Priority to DE19803045706 priority Critical patent/DE3045706A1/en
Publication of DE3045706A1 publication Critical patent/DE3045706A1/en
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
    • C09J5/06—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/0026—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor an edge face with strip material, e.g. a panel edge
    • B29C63/003—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor an edge face with strip material, e.g. a panel edge continuously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B29C65/083—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil
    • B29C65/086—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations using a rotary sonotrode or a rotary anvil using a rotary anvil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/526—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by printing or by transfer from the surfaces of elements carrying the adhesive, e.g. using brushes, pads, rollers, stencils or silk screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024—Thermal pre-treatments
    • B29C66/0242—Heating, or preheating, e.g. drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/472—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially flat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/65—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles with a relative motion between the article and the welding tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • B29C65/4835—Heat curing adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/74—Joining plastics material to non-plastics material
    • B29C66/748—Joining plastics material to non-plastics material to natural products or their composites, not provided for in groups B29C66/742 - B29C66/746
    • B29C66/7487—Wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83415—Roller, cylinder or drum types the contact angle between said rollers, cylinders or drums and said parts to be joined being a non-zero angle

Abstract

A covering strip is glued onto the edge face of a workpiece of wood of the like using ultrasonic energy as the workpiece travels along a conveying path. The glue, which is liq. at room temp. before setting (polyvinyl acetate or urea formaldehyde glue) is applied on at least one of the surfaces to be glued together, then the glue coating is caused to set rapidly by application of ultrasonic energy. Before the strip and the workpiece are brought together, the glue may be heated. Adhesives other than fusion adhesives, i.e. those such as PVAC or UF glue, which are resistant to fairly high temps., can be easily applied without the need for a long evaporation path, which is necessary if these adhesives are used in the form of a dispersion in water.

Description

24. 12. 1980 -3- Reg. Nr. 1.46December 24, 1980 -3- Reg. No. 1.46

KARL M. REICH, MASCHINENFABRIK GMBH, 7440 NÜRTINGENKARL M. REICH, MASCHINENFABRIK GMBH, 7440 NÜRTINGEN

Verfahren und Vorrichtung zum Ankleben eines DeckstreifensMethod and device for gluing a cover strip

Die Erfindung betrifft ein Verfahren gemäß Oberbegriff von Anspruch 1 μηα eine Vorrichtung gemäß Oberbegriff von Anspruch 3. ■The invention relates to a method according to the preamble of claim 1 μηα a device according to the preamble of claim 3. ■

Aus der DE-OS 25 23 215 ist es bekannt, zum Verleimen von Umleimern mit plattenförmigen Werkstücken Ultraschallenergie zu verwenden. Dabei sind jedoch die Umleimer bereits mit Schmelzkleber beschichtet, der bei Raumtemperatur fest ist. Dieser Schmelzkleber wird nach dem Zusammenführen des Umleimers mit dem-Werkstück durch die Ultraschallenergie so erhitzt, daß er sich verflüssigt und nach dem anschließenden Erstarren die Verklebung zwischen Umleimer und Werkstück bewirkt.From DE-OS 25 23 215 it is known to use ultrasonic energy for gluing edge strips with plate-shaped workpieces. Here, however, are the edge bands already coated with hot melt adhesive, which is solid at room temperature. This hot melt adhesive will be used after the merging the edge band with the workpiece by the ultrasonic energy heated so that it liquefies and, after the subsequent solidification, the bond between Edging and workpiece causes.

Schmelzkleber weisen eine verhältnismäßig niedrige Verflüssigungstemperatur auf, weshalb sich die damit verleimten Umleimer unter extremen Bedingungen ablösen können. Es wird daher angestrebt, die Verleimung mit Polyvinylacetatleim (PVAC-Leim) oder mit Harnstoff-Formaldehyd-Leim (UF-Leim) durchzuführen, weil, sich diese Leime durch hohe Temperatur- und Feuchtigkeitsbeständigkeit, geringen Preis und sparsamen Verbrauch auszeichnen. Bei der Verarbeitung auf Kantenanleimmaschinen ist nach dem·Auftragen dieser flüssigen Leime jedoch eine Abdunststrecke notwendig, in de.r das Dispersionswasser unter Einsatz von erheblicher Wärmeenergie abgedämpft werden muß. Die Länge dieser Abdunststrecke beträgt mindestens 1,20 m. Im Anschluß an dieseHot melt adhesives have a relatively low liquefaction temperature on, which is why the edge band glued with it can peel off under extreme conditions. It will therefore aimed at gluing with polyvinyl acetate glue (PVAC glue) or with urea-formaldehyde glue (UF glue) carry out because, these glues are characterized by high temperature and moisture resistance, low price and economical Mark consumption. When processing on edge banding machines, this liquid glue is after · applying however, an evaporation zone is necessary in which the dispersion water is dampened using considerable thermal energy must become. The length of this evaporation section is at least 1.20 m

ο U -ι J /Uuο U -ι J / Uu

Abdunststrecke ist zum Anpressen des Deckstreifens bis jEvaporating section is for pressing the cover strip up to j

zum Abbinden des Leims eine Anpreßvorrichtung notwendig. jA pressing device is necessary to set the glue. j

Aufgabe der vorliegenden Erfindung ist daher die Schaffung \ The object of the present invention is therefore to create \

eines Verfahrens und einer Vorrichtung der eingangs ge- jof a method and a device of the type initially described

nannten Art, wobei PVAC-Leim, UF-Leim und ähnliche bei ,named type, with PVAC glue, UF glue and similar in the case of

Zimmertemperatur flüssige Leime zum maschinellen Anleimen }Room temperature liquid glue for machine gluing}

von Deckstreifen auf bewegbare Werkstücke aus Holz oder !from cover strips to movable workpieces made of wood or!

dergl. bei möglichst geringer Maschinenlänge und geringem :the same with the shortest possible machine length and low:

Energiebedarf verwendet werden können und das Anleimen von .Energy requirements can be used and the gluing of.

Deckstreifen aller Art ermöglichen. .Enable cover strips of all kinds. .

Diese Aufgabe wird gelöst gemäß kennzeichnenden Merkmalen [This problem is solved according to the characteristic features [

der Ansprüche 1 und 3.of claims 1 and 3.

Im Gegensatz zum bekannten Stand der Technik, bei dem jIn contrast to the known prior art, in which j

Schmelzkleber durch die Verwendung von Ultraschallenergie IHot melt adhesive through the use of ultrasonic energy I

verflüssigt wird-, wird im vorliegenden Fall flüssig aufge- 'is liquefied-, in the present case it is liquid- '

tragener Leim unter Verwendung von Ultraschallenergie ohne jcarried glue using ultrasonic energy without j

die Notwendigkeit einer Abdunststrecke und einer Anpreß- ιthe need for an evaporation zone and an anpreß- ι

vorrichtung zum Abbinden gebracht. Dadurch läßt sich die idevice brought to the setting. This allows the i

gesamte Maschine wesentlich kürzer bauen und der Energie- tmake the entire machine much shorter and the energy t

bedarf wird erheblich gesenkt. 'requirement is significantly reduced. '

Durch entsprechende Ausbildung des Schallkopfes lassen jWith the appropriate design of the transducer, j

sich auch Furniere oder Kunststoff-Deckstreifen an profilierte Sockelleisten und Zierleisten^bei Postformingplatten : und Softformingteilen anleimen, ohne daß zusätzliche Druckstrecken nötig wären.veneers or plastic cover strips can also be glued to profiled skirting boards and decorative strips ^ with postforming panels: and softforming parts without the need for additional printing sections.

Bei einer vorteilhaften Ausführung der Erfindung ist vorgesehen, das Ultraschallwerkzeug schwenkbar anzuordnen, so daß
auch geneigte Randflächen, wie z.B. bei Türen, mit Deckstreifen versehen werden können.In an advantageous embodiment of the invention it is provided that the ultrasonic tool be arranged pivotably so that
even inclined edge surfaces, such as doors, can be provided with cover strips.

ORIGINAL INSPECTEDORIGINAL INSPECTED

Bei einer weiteren vorteilhaften Ausführungsform läßt sich das erfindungsgemäße Verfahren und die entsprechende Vorrichtung auch bei Werkstücken mit gekrümmtem Umriß verwenden. Es war seither nicht möglich, Deckstreifen bei solchen Werkstücken mit PVAC-Leim anzuleimen, da der gekrümmte Umriß die Anbringung einer Abdunststrecke nicht erlaubte.In a further advantageous embodiment can use the method according to the invention and the corresponding device also for workpieces with a curved outline. Since then it has not been possible to glue cover strips to such workpieces with PVAC glue, because of the curved outline did not allow the installation of an evaporation zone.

Da gemäß dem erfindungsgemäßen Verfahren die Abdunststrecke völlig wegfällt und der Schallkopf nur etwa eine Breite von 20 mm aufweist, lassen sich auch geschwungene Umrisse mit Deckstreifen und PVAC-Leim verleimen.Since, according to the method according to the invention, the evaporation zone is completely omitted and the transducer is only about 20 mm wide, it can also be curved Glue the outline with cover strips and PVAC glue.

Mit dem erfindungsgemäßen Verfahren wird weiterhin ein Verbrenen des Leimes sicher vermieden. Beim seither bekannten Verfahren befinden sich nämlich in der Abdunststrecke Leimbläschen, die an der Oberfläche häufig verbrennen und damit die Adhäsionskraft des Leimes beeinträchtigen.With the method according to the invention, burning is also achieved of glue safely avoided. In the process known since then, there are glue bubbles in the evaporation path, which often burn on the surface and thus impair the adhesive strength of the glue.

Mit der erfindungsgemäßen Vorrichtung läßt sich bei entsprechender Umrüstung auch Schmelzkleber gemäß dem bereits bekannten Verfahren verarbeiten.With the device according to the invention can be with appropriate Retrofitting also process hot-melt adhesives according to the already known method.

Im folgenden sind Ausführungsbeispiele der Erfindung unter Bezugnahme auf die Zeichnungen näher beschrieben.In the following, exemplary embodiments of the invention are described in more detail with reference to the drawings.

Es zeigen:Show it:

Fig. 1 Anleimvorrichtung von obenFig. 1 gluing device from above

Fig. 2 Teilschnitt nach Linie II - II in Fig. 1,Fig. 2 partial section along line II - II in Fig. 1,

Fig. 3 Anleimvorrichtung mit Drehtisch, von oben.Fig. 3 gluing device with turntable, from above.

Bei der in Fig. 1 dargestellten Kantenanleimmaschine ist auf einem Grundgestell 1 eine Fördervorrichtung 2 angeordnet, mit der die Werkstücke 3 in Richtung von Pfeil 4 gefördert werden. Die Randflächen 5 der Werkstücke 3 sollen mit einem Deckstreifen beklebt werden, der von einer spiralig aufgewickelten Rolle 7 über eine Zuführvorrichtung 8 mit dem Werkstück 3' zusammengeführt wird.In the edge banding machine shown in Fig. 1, a conveyor device 2 is arranged on a base frame 1, with which the workpieces 3 are conveyed in the direction of arrow 4. The edge surfaces 5 of the workpieces 3 should be covered with a cover strip are glued, which is brought together by a spirally wound roll 7 via a feed device 8 with the workpiece 3 ' will.

In einem Leimbehälter 9 befindet sich bei Raumtemperatur flüssiger Leim, der mittels einer Auftragsrolle 10 auf die Randfläche 5 aufgetragen wird. Das Werkstück 3 wird dann an einer Heizvorrichtung 11 vorbeigeführt, die mittels Heißluft die aufgetragene Leimschicht erwärmt.In a glue container 9 there is glue which is liquid at room temperature and which is applied by means of an application roller 10 the edge surface 5 is applied. The workpiece 3 is then guided past a heating device 11, which by means of Hot air heats the applied glue layer.

Wie auch Fig. 2 zeigt, ist auf dem Grundgestell 1 weiterhin ein Ultraschall-Werkzeug 12 angeordnet, dessen Schallkopf den Deckstreifen 6 in Arbeitsstellung berührt. Zur Einstellung auf den Neigungswinkel der Randfläche 5 ist das Ultraschal lwerk zeug 12 in bogenförmigen Schlitzen 14 eines Halterahmens 15 verschwenkbar und feststellbar gelagert. Dieser ist verschiebbar in Führungsstangen 16 gelagert und läßt sich mittels eines Druckluft-Zylinders 17 senkrecht zur Förderrichtung 4 verschieben.As FIG. 2 also shows, an ultrasound tool 12 is also arranged on the base frame 1, its transducer touches the cover strip 6 in the working position. To adjust the angle of inclination of the edge surface 5, the ultrasonic lwerk tool 12 is in arcuate slots 14 of a holding frame 15 mounted pivotable and lockable. This is slidably mounted in guide rods 16 and can by means of a compressed air cylinder 17 perpendicular to the Shift the conveying direction 4.

Diese Verschiebebewegung wird durch ein Tastventil 18 gesteuert, das vom Werkstück 3 betätigbar ist.This displacement movement is controlled by a sensing valve 18 which can be actuated by the workpiece 3.

Bei einem weiteren, in Fig. 3 gezeigten Ausführungsbeispiel weist das Werkstück 19 einen kreisrunden Umriß auf und ist auf einem Drehtisch 20 drehbar befestigt. ,Anstelle des kreisrunden Umrißes sind auch andere geschwungene Umrisse wie z.B. eine Nierenform möglich. Der Deckstreifen 6 wird auch hier wieder, wie oben beschrieben, dem Werkstück 19 zugeführt, während die Randfläche 21 aus einem Leimbehälter 9 über eine ^uftragsrolle 10 mit flüssigem Leim versehen wird. Dieser wird durch die Heizvorrichtung 11 erhitzt und durch ein Ultraschall-Werkzeug 22 zum Abbinden gebracht. Der Schallkopf 23 ist dem kreisförmigen Umriß von Werkstück 19 angepaßt.In a further embodiment shown in FIG. 3, the workpiece 19 has a circular outline and is rotatably mounted on a turntable 20. , Instead of the circular Other curved outlines such as a kidney shape are also possible. The cover strip 6 is also here again, as described above, fed to the workpiece 19, while the edge surface 21 from a glue container 9 over an application roller 10 is provided with liquid glue. This is heated by the heater 11 and by an ultrasonic tool 22 brought to set. The transducer 23 is adapted to the circular outline of the workpiece 19.

Anstelle von ebenen Randflächen lassen sich mit dem erfindungsgemäßon Verfahren auch Randflächen mit beliebigen Profilen, wie z.B. mit abgerundeten Kanten mit Deckstreifen versehen. Zu diesem Zweck wird der Deckstreifen vor dem Zusammenführen mit der Randfläche durch ein DurchführfensterTgeführt, das dem Profil der Randfläche angepaßt ist. Der Schallkopf ist ebenfalls diesem Profil angepaßt und tewirkt eine einwandfreie Verklebung des Deckstreifens mit der profilierten Randfläche.Instead of flat edge surfaces, with the invention Also process edge surfaces with any profile, e.g. with rounded edges provided with cover strips. to For this purpose, the cover strip is passed through a lead-through window T before it is brought together with the edge surface Profile of the edge surface is adapted. The transducer is also adapted to this profile and ensures perfect bonding of the cover strip with the profiled edge surface.

3C457Ö63C457Ö6

Soweit zweckmäßig, kann der Leim entweder auf die Randfläche des Werkstücks, auf den Deckstreifen oder auf beide Flächen gleichzeitig aufgetragen werden.As far as appropriate, the glue can either be on the edge surface of the workpiece, on the cover strip or on both surfaces applied at the same time.

Claims (7)

30A57Ö6 24. 12. Reg. Nr. 1.46 PATENTANSPRÜCHE30A57Ö6 24. 12. Reg. No. 1.46 PATENT CLAIMS 1) Verfahren zum Ankleben eines Deckstreifens an die Randfläche eines durch eine Fördervorrichtung bewegbaren Werkstücks aus Holz oder dergl. unter Verwendung von Ultraschallenergie, die nach dem Zusammenführen des Deckstreifens mit dem Werkstück auf die Klebstoffschicht einwirkt, dadurch gekennzeichnet, daß der bei Raumtemperatur vor dem Abbinden flüssige Leim (Polyvinylacetatleim, Harnstoff-Formaldehyd-Leim) auf mindestens eine der zu verleimenden Flächen (5) aufgetragen und daß anschließend die Leimschicht durch Ultraschallenergie zum raschen Abbinden des Leims beeinflußt wird.1) Method of sticking a cover strip to the edge surface a workpiece made of wood or the like movable by a conveyor using Ultrasonic energy applied to the adhesive layer after the cover strip has been brought together with the workpiece acts, characterized in that the liquid at room temperature before setting Glue (polyvinyl acetate glue, urea-formaldehyde glue) on at least one of the surfaces to be glued (5) applied and that then the glue layer is influenced by ultrasonic energy for rapid setting of the glue will. 2) Verfahren nach Anspruch 1, dadurch gekennzeichnet , daß die Leimschicht vor dem Zusammenführen des Deckstreifens (6) mit dem Werkstück (3) erhitzt wird.2) Method according to claim 1, characterized that the glue layer is heated prior to the joining of the cover strip (6) with the workpiece (3) will. 3) Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1, mit einem Grundgestell, einer Fördervorrichtung für das Werkstück und einer Zuführvorrichtung für den Deckstreifen, gekennzeichnet durch eine Auftragsvorrichtung (9, 10) für den Leim und ein quer zur Förderrichtung (4) wirkendes, am Grundgestell (1) verschiebbar angeordnetes Ultraschall-Werkzeug (12).3) device for performing the method according to claim 1, with a base frame, a conveyor device for the workpiece and a feed device for the cover strip, characterized by an application device (9, 10) for the glue and a transverse to the conveying direction (4) acting ultrasonic tool (12) arranged displaceably on the base frame (1). 4) Vorrichtung nach Anspruch 3, gekennzeichnet durch eine nach der Auftragsvorrichtung (9, 10) angeordnete Heizvorrichtung (11).4) Device according to claim 3, characterized by one after the application device (9, 10) arranged heating device (11). ORIGINAL INSPECTEDORIGINAL INSPECTED 5) Vorrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet , daß das Ultraschall-Werkzeug (12) um eine zur Förderrichtung (4) parallelen Achse schwenkbar und einstellbar am Grundgestell (1) gelagert ist.5) Device according to claim 3 or 4, characterized in that the ultrasonic tool (12) pivotable about an axis parallel to the conveying direction (4) and adjustable on the base frame (1) is stored. 6) Vorrichtung nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß der Schallkopf (13) auswechselbar am Ultraschall-Werkzeug (12) angeordnet ist.6) Device according to one of claims 3 to 5, characterized in that the The transducer (13) is arranged on the ultrasonic tool (12) so as to be exchangeable. 7) Vorrichtung nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, daß zum Bewegen des Werkstücks (19) ein Drehtisch (20) vorgesehen ist.7) Device according to one of claims 3 to 6, characterized in that a turntable (20) is provided for moving the workpiece (19).
DE19803045706 1980-12-04 1980-12-04 Cover strip glued to edge of workpiece - esp. of wood using resistant adhesive applied liq. and set by ultrasonic energy Ceased DE3045706A1 (en)

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DE19803045706 DE3045706A1 (en) 1980-12-04 1980-12-04 Cover strip glued to edge of workpiece - esp. of wood using resistant adhesive applied liq. and set by ultrasonic energy

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DE19803045706 DE3045706A1 (en) 1980-12-04 1980-12-04 Cover strip glued to edge of workpiece - esp. of wood using resistant adhesive applied liq. and set by ultrasonic energy

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2584336A1 (en) * 1985-07-08 1987-01-09 Isoroy Sa Method for continuously bonding crossed films of wood and plywood panels
EP1127792A2 (en) * 2000-02-26 2001-08-29 TOPACK Verpackungstechnik GmbH Method and device for bonding packaging parts
WO2001089809A1 (en) * 2000-05-26 2001-11-29 Woodwelding Ag Sealing
WO2003052017A1 (en) * 2001-12-18 2003-06-26 Hochschule Für Architektur, Bau Und Holz Hsb Method for connecting two bodies
US6913666B1 (en) 1997-03-21 2005-07-05 Woodwelding Ag Process for anchoring connecting elements in a material with pores or cavities and connecting elements therefor
US6921264B2 (en) 2002-08-23 2005-07-26 Woodwelding Ag Implant to be implanted in bone tissue or in bone tissue supplemented with bone substitute material
US6955540B2 (en) 2002-08-23 2005-10-18 Woodwelding Ag Preparation for being fastened on a natural tooth part or tooth and corresponding fastening method
US7335205B2 (en) 2001-03-02 2008-02-26 Woodwelding Ag Implants, device and method for joining tissue parts
DE102010039339A1 (en) 2010-08-16 2012-08-09 Steffen Möglich Adhesive system, useful for a workpiece, comprises microcapsules in which a coupling agent or a component of a coupling agent is encapsulated

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2584336A1 (en) * 1985-07-08 1987-01-09 Isoroy Sa Method for continuously bonding crossed films of wood and plywood panels
US6913666B1 (en) 1997-03-21 2005-07-05 Woodwelding Ag Process for anchoring connecting elements in a material with pores or cavities and connecting elements therefor
EP1127792A2 (en) * 2000-02-26 2001-08-29 TOPACK Verpackungstechnik GmbH Method and device for bonding packaging parts
EP1127792A3 (en) * 2000-02-26 2003-04-02 TOPACK Verpackungstechnik GmbH Method and device for bonding packaging parts
US6740018B2 (en) 2000-02-26 2004-05-25 Topack Verpackungstechnik Gmbh Application of adhesive to and processing of adhesive on receptacles for smokers' products
WO2001089809A1 (en) * 2000-05-26 2001-11-29 Woodwelding Ag Sealing
US6786989B2 (en) 2000-05-26 2004-09-07 Woodwelding Ag Sealing
US7335205B2 (en) 2001-03-02 2008-02-26 Woodwelding Ag Implants, device and method for joining tissue parts
US8945192B2 (en) 2001-03-02 2015-02-03 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US9924988B2 (en) 2001-03-02 2018-03-27 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US9615872B2 (en) 2001-03-02 2017-04-11 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US9216083B2 (en) 2001-03-02 2015-12-22 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US8932337B2 (en) 2001-03-02 2015-01-13 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US8114137B2 (en) 2001-03-02 2012-02-14 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US8216286B2 (en) 2001-03-02 2012-07-10 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US8221475B2 (en) 2001-03-02 2012-07-17 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US8221477B2 (en) 2001-03-02 2012-07-17 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US8323323B2 (en) 2001-03-02 2012-12-04 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
WO2003052017A1 (en) * 2001-12-18 2003-06-26 Hochschule Für Architektur, Bau Und Holz Hsb Method for connecting two bodies
US7235145B2 (en) 2001-12-18 2007-06-26 Berner Fachhochschule, Architektur, Holz And Bau Method for connecting two bodies
US6921264B2 (en) 2002-08-23 2005-07-26 Woodwelding Ag Implant to be implanted in bone tissue or in bone tissue supplemented with bone substitute material
US7008226B2 (en) 2002-08-23 2006-03-07 Woodwelding Ag Implant, in particular a dental implant
US6955540B2 (en) 2002-08-23 2005-10-18 Woodwelding Ag Preparation for being fastened on a natural tooth part or tooth and corresponding fastening method
DE102010039339A1 (en) 2010-08-16 2012-08-09 Steffen Möglich Adhesive system, useful for a workpiece, comprises microcapsules in which a coupling agent or a component of a coupling agent is encapsulated

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