EP2472485A1 - Device for collecting goods - Google Patents

Device for collecting goods Download PDF

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Publication number
EP2472485A1
EP2472485A1 EP11009450A EP11009450A EP2472485A1 EP 2472485 A1 EP2472485 A1 EP 2472485A1 EP 11009450 A EP11009450 A EP 11009450A EP 11009450 A EP11009450 A EP 11009450A EP 2472485 A1 EP2472485 A1 EP 2472485A1
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EP
European Patent Office
Prior art keywords
goods
conveyor belts
slot
protective rail
transport
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
EP11009450A
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German (de)
French (fr)
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EP2472485B1 (en
Inventor
Günter Baitz
Jürgen Döll
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.)
Wincor Nixdorf International GmbH
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Wincor Nixdorf International GmbH
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Publication of EP2472485A1 publication Critical patent/EP2472485A1/en
Application granted granted Critical
Publication of EP2472485B1 publication Critical patent/EP2472485B1/en
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
    • G07G1/00—Cash registers
    • G07G1/0036—Checkout procedures
    • G07G1/0045—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader

Definitions

  • the invention relates to a device for detecting goods with a two successively arranged conveyor belts having transport means for transporting the goods in a transport direction, wherein between the conveyor belts is formed extending transversely to the transport direction slot, and with a scanning unit for non-contact optical scanning of a support surface the transported goods on the transport device through the slot.
  • Such a device is known from DE 101 41 429 C1 known.
  • the device is used, for example, in self-service checkout systems in shopping centers or the like and serves for the automated detection of goods, in particular the detection of a goods-identifying marking (barcode or the like) by means of an optical scanning unit.
  • the optical scanning unit is arranged between two conveyor belts arranged one behind the other in a transport direction.
  • the conveyor belts are in this case positioned at a distance from one another such that between them a slit extending transversely to the transport direction is formed, through which the scanning unit has a support side of the goods, with which the goods are transported on the conveyor belts, when passing from the rear as seen in the transport direction Transport belt optically scanned on the front transport belt seen in the transport direction.
  • the remaining outside of the product for example, by means of further scanning units optically recorded, so that the goods can be safely and reliably identified regardless of their orientation on the conveyor belts.
  • the further scanning units can be fastened, for example, to a support arranged in the form of an archway above the conveyor belts to form a so-called tunnel scanner.
  • the scanning unit associated with the slot is assigned to the conveyor belts as well as the other scanning units, which may optionally be provided in a stationary manner.
  • the scanning unit typically includes a source for emitting optical radiation and a detector for receiving the radiation reflected from the goods being transported on the conveyor belts.
  • the radiation is light in the visible or ultra-red wavelength range.
  • Object of the present invention is therefore to develop the device such that the reliability is increased and damage to the goods is prevented.
  • the device according to the invention in conjunction with the preamble of claim 1, characterized in that the slot at least partially is covered by a protective rail, which extends transversely to the transport direction and is arranged at a distance from the conveyor belts.
  • the particular advantage of the invention is that goods are handed over due to the provision of the trained between the conveyor belts partially covering guard rail particularly reliable from the one conveyor belt to the other conveyor belt.
  • the protective rail prevents this case that the goods fall into the slot and also serves as a support or support for the goods in the vertical direction.
  • the protective rail covers a large part of the slot, so that only one functionally necessary for the optical scanning of the goods, narrow gap and / or on both sides of the guard rail is formed a function gap between the guard rail and the moving conveyor belts.
  • the functional gap ensures that there is no contact between the conveyor belts and the protective rail and, as a result, no damage to the conveyor belts or the protective rail.
  • the conveyor belts are configured for example as endless conveyor belts, wherein the goods are transported on the upper run of the endless conveyor belts in the transport direction.
  • the support side of the goods is scanned by means of the scanning unit.
  • the gap between the Both conveyor belts are covered by a single protective rail.
  • the recess, which in this case defines the scanning gap can for example be provided centrally both in the protective rail and in the middle between the two conveyor belts. This ensures that in the central slot of the scanning unit in the slot, the support side can be scanned at a favorable scanning angle.
  • the scanning is done at a 90 ° angle to the support side of the goods.
  • the protective rail is movable, in particular held about a longitudinal direction of the guard rail pivotally with respect to the conveyor belts.
  • the protective rail is raised when entering goods in the slot, that is removed from the conveyor belts.
  • the entering into the slot goods themselves can hereby raise the guard rail.
  • the movable arrangement of the guard rail damage to the goods or their packaging is prevented even if the goods get in the transfer of the first conveyor belt to the second conveyor belt in the Abtastspalt or one of the two function columns. This may for example be the case when very flat objects, such as newspapers or individual sheets of magazines, are conveyed on the conveyor belt.
  • the protective rail is assigned at least one sensor for detecting goods that enter the slot formed between the conveyor belts.
  • the entry of goods into the slot can be detected automatically.
  • This is for example Self-service checkout systems, which are not operated by trained personnel and essentially detect the goods placed on the conveyor belt by the customer, are of great advantage.
  • the guard rail can be assigned to a force sensor which detects an increase in force, the result of the entry of goods into the scanning gap or a function column.
  • the movable guard rail can be assigned a motion sensor.
  • a control unit cooperating with at least one sensor and with a drive unit driving the conveyor belts is provided.
  • the conveyor belts can be stopped when goods enter the slot.
  • the conveyor belts can on the one hand further damage of goods or their packaging, which protrude at least partially into the slot, be prevented.
  • the possibility is created during the stoppage of the conveyor belts to remove the goods in the slot goods from the same.
  • the conveyor belts are arranged offset in height to one another, wherein the front transport belt seen in the transport direction is arranged below the rear transport belt seen in the transport direction.
  • a surface of the protective rail is arranged inclined to connect the bearing surfaces of the conveyor belts in the region of the slot. It is advantageous by the inclined arrangement of the protective rail and the height offset the conveyor belts simplifies the transfer of the goods from the first conveyor belt to the second conveyor belt.
  • the protective rail acts in the manner of a slide.
  • a transport speed of the conveyor belts can be selected so that the goods "shoot" in particular over the functional gap formed between the first conveyor belt and the protective rail. This reduces the risk of goods getting into this functional gap.
  • the conveyor belts, the protective rail and the protective rail or the slot covered by the protective rail associated scanning unit are attached to a common carrier component.
  • a common carrier component ensures a precise positional assignment of the individual functional components (conveyor belts, protective rail, scanning unit) to one another, with the result that the goods can be optically scanned and identified in a particularly reliable and secure manner.
  • adjusting means can be provided on the carrier component or the functional components in order to precisely set and fix the positioning of the functional components relative to one another during assembly and commissioning of the system.
  • adjustment means for example, slots can be provided in the support member.
  • further functional components of the device for example the further scanning units, by means of which the further outer sides of the goods are optically scanned, can be fastened to the carrier component.
  • these are positioned in their position and relative position to the scanning unit associated with the slot, to the conveyor belts and to the protective rail.
  • FIG. 1 has a transport device 1 for transporting goods in a transport direction 2 and a scanning unit 3 for non-contact optical scanning of a support side of the goods transported on the transport device 1.
  • the transport device 1 has two transport belts 4, 5 arranged one behind the other in the transport direction 2, which conveyor belts are arranged at a distance from one another in the transport direction 2. Due to the spaced arrangement of the conveyor belts 4, 5, a transversely to the transport direction 2 extending slot 6 is formed between the conveyor belts 4, 5. Through the slot 6, the support side of the goods can be seen by means of the scanning unit 3 in the transfer of goods from the transport direction 2 Rear conveyor belt 4 are scanned to the front in the transport direction 2 front conveyor belt 5.
  • the slot 6 is partially covered by a protective rail 7 which extends transversely to the transport direction 2 and is arranged at such a distance from the conveyor belts 4, 5, that between the guard rail 7 and the rear conveyor belt 4, a first functional gap 8 and between the front Conveyor belt 5 and the protective rail 7 forms a second functional gap 9.
  • the protective rail 7 also has a recess 11 extending in a longitudinal direction 10 of the protective rail 7.
  • the longitudinal direction 10 of the protective rail 7 is oriented here transversely to the transport direction 2 of the transport device 1.
  • the protective rail 7 is arranged according to the illustrated embodiment of the invention movable with respect to the conveyor belts 4, 5.
  • the protective rail 7 is for this purpose by means of a connection unit 12 to an in FIG. 1 Attached fixed component, not shown, of the device.
  • the connection unit 12 are designed such that the protective rail 7 can be pivoted about the longitudinal direction 10 thereof in a pivoting direction 13.
  • the connection unit 12 is also associated with a not shown displacement sensor for detecting the position or the pivot angle of the guard rail 7.
  • the sensor is connected to a control unit 14.
  • the control unit 14 in turn is connected to a scanning unit 15 for driving the transport device 1.
  • the scanning unit 15 drives not shown connecting means both the first Conveyor belt 4 and the directly driven second conveyor belt 5 at.
  • the inclined arrangement of the protective rail 7 serves to connect bearing surfaces 16, 17 of the conveyor belts 4, 5 with each other and to compensate for a height offset of the conveyor belts 4, 5 of the transport device 1.
  • the support surface 16 is in this case formed by the upper strand of the rear conveyor belt 4 and the support surface 17 by the upper strand of the front conveyor belt 5.
  • the protective rail 7 in this case has an upper side 18, which supports the goods in the manner of a slide during the transfer vertically.
  • the slot 6 between the first conveyor belt 4 and the second conveyor belt 5 is at its narrowest point, for example between 10 mm and 20 mm wide.
  • the slot 6 covering protective rail 7, for example has a width of 28 mm, wherein the recess 11, which serves as a scanning gap, may have a width of, for example, 6 mm.
  • the angle ⁇ is for example 5 °.
  • the height offset between the first conveyor belt 4 and the second conveyor belt 5 is for example 2.3 mm.
  • the function columns 8, 9, which are designed to prevent a bearing of the protective rail 7 on the rotating conveyor belts 4, 5, in the illustrated initial configuration have a width of, for example, 1 mm or less.
  • the goods are conveyed on the first conveyor belt 4 in the transport direction 2. If the goods reach the area of the gap 6, they slide over the surface 18 of the protective rail 7 and reach the second conveyor belt 5, from which they are transported further in the transporting direction 2. When passing over the protective rail 7, the support surface of the goods is optically scanned through the scanning gap (recess 11).
  • a product when leaving the first conveyor belt 4 completely or partially reach the first functional gap 8 or the scanning gap (recess 11).
  • the protective rail 7 is pivoted by the arrived in the first functional gap 8 goods in the pivoting direction 13.
  • the protective rail 7 is formed quasi flexible and the width of the functional gap 8 increases upon entry of the goods.
  • the raising of the protective rail 7 is detected by means of the not shown, the connection unit 12 associated sensor.
  • the sensor is for example a displacement sensor educated.
  • the path signal is transmitted from the sensor, not shown, to the control unit 14.
  • the control unit 14 cooperates with the drive unit 15 of the transport device 1 in such a way that the conveyor belts 4, 5 are stopped when the goods enter the gap 6 and the pivoting up of the protective rail 7 caused thereby.
  • the second functional gap 9 is due to the transport direction 2 of the second conveyor belt 5 to be regarded as uncritical, since in the second functional gap 9 arrived goods due to the transport movement are automatically conveyed out of this.
  • the conveyor belts 4, 5 facing end faces 19 of the guard rail 7 profiled formed and the surface geometry of the conveyor belt 4, 5 are adapted to achieve a particularly small gap.
  • the senor does not have to be integrated into the connection unit 12.
  • a suitable force sensor and / or an optical sensor for detecting goods that have entered the gap 6 may be provided.
  • FIG. 3 shows a perspective view of a component carrier 20, on which the protective rail 7 is held pivotable about its longitudinal direction 10.
  • the protective rail 7 is supported for this purpose via a pivot arm 21 on the frame-shaped, closed support member 20.
  • the pivot arm 21 in turn is supported on the carrier component 20 via the connection unit 12, which integrally has the sensor (not shown).
  • the support member 20 is used in addition to the movable mounting of the guard rail 7 for fixing the scanning unit 3. Further, the transport device 1 is attached to the support member 20. This ensures that the protective rail 7, the scanning unit 3 and the transport device 1 have a defined position to each other. The defined position of the components to each other improves the detection accuracy.
  • the support member 20 is in turn attached to a frame, not shown, of the detection device.
  • the protective rail 7 can be arranged stationary and in particular not be pivotable.
  • the protective rail 7 is in this case preferably associated with a force sensor, by means of which the entry of goods in the gap 6 can be detected. If goods enter gap 6, the drive unit 15 is actuated in a known manner by means of the controller 14 and the conveyor belts 4, 5 shut down.

Abstract

The device has a transport device (1) for transporting goods in a transport direction (2) and including two transport belts (4, 5), which are arranged behind each other. A slot (6) is designed between the transport belts and extended transverse to the transport direction. A scanner (3) contactlessly optically scans a contact surface of the goods, which are transported on the transport device, by the slot. The slot is partially covered by a protective rail (7), which extends transverse to the transport direction and arranged at a distance to the transport belts.

Description

Die Erfindung betrifft eine Vorrichtung zum Erfassen von Waren mit einer zwei hintereinander angeordnete Transportbänder aufweisenden Transporteinrichtung zum Transport der Waren in eine Transportrichtung, wobei zwischen den Transportbändern ein sich quer zu der Transportrichtung erstreckender Schlitz ausgebildet ist, und mit einer Abtasteinheit zum berührungslosen optischen Abtasten einer Auflagefläche der auf der Transporteinrichtung transportierten Waren durch den Schlitz.The invention relates to a device for detecting goods with a two successively arranged conveyor belts having transport means for transporting the goods in a transport direction, wherein between the conveyor belts is formed extending transversely to the transport direction slot, and with a scanning unit for non-contact optical scanning of a support surface the transported goods on the transport device through the slot.

Eine derartige Vorrichtung ist aus der DE 101 41 429 C1 bekannt. Die Vorrichtung wird beispielsweise an Selbstbedienungskassensystemen in Einkaufszentren oder dergleichen eingesetzt und dient der automatisiserten Erfassung von Waren, insbesondere der Erfassung einer die Waren identifizierenden Markierung (Barcode oder dergleichen) mittels einer optischen Abtasteinheit. Die optische Abtasteinheit ist zwischen zwei in eine Transportrichtung hintereinander angeordneten Transportbändern angeordnet. Die Transportbänder sind hierbei derart beabstandet zueinander positioniert, dass zwischen ihnen ein sich quer zu der Transportrichtungerstreckender Schlitz ausgebildet ist, durch den hinaus die Abtasteinheit eine Auflageseite der Waren, mit denen die Waren auf den Transportbändern transportiert werden, beim Übertritt von dem in Transportrichtung gesehen hinteren Transportband auf das in Transportrichtung gesehen vorderen Transportband optisch abtastet. Die verbleibenden Außenseite der Ware werden beispielsweise mittels weiterer Abtasteinheiten optisch erfasst, so dass die Ware unabhängig von ihrer Orientierung auf den Transportbändern sicher und zuverlässig identifiziert werden kann. Die weiteren Abtasteinheiten können beispielsweise an einem torbogenförmig über den Transportbändern angeordneten Träger befestigt sein zur Bildung eines sogenannten Tunnelscanners.Such a device is known from DE 101 41 429 C1 known. The device is used, for example, in self-service checkout systems in shopping centers or the like and serves for the automated detection of goods, in particular the detection of a goods-identifying marking (barcode or the like) by means of an optical scanning unit. The optical scanning unit is arranged between two conveyor belts arranged one behind the other in a transport direction. The conveyor belts are in this case positioned at a distance from one another such that between them a slit extending transversely to the transport direction is formed, through which the scanning unit has a support side of the goods, with which the goods are transported on the conveyor belts, when passing from the rear as seen in the transport direction Transport belt optically scanned on the front transport belt seen in the transport direction. The remaining outside of the product, for example, by means of further scanning units optically recorded, so that the goods can be safely and reliably identified regardless of their orientation on the conveyor belts. The further scanning units can be fastened, for example, to a support arranged in the form of an archway above the conveyor belts to form a so-called tunnel scanner.

Die dem Schlitz zugeordnete Abtasteinheit ist den Transportbändern ebenso wie die weiteren Abtasteinheiten, die optional vorgesehen sein können, ortsfest zugeordnet. Die Abtasteinheit enthält typischerweise eine Quelle zum Emittieren optischer Strahlung sowie einen Detektor zum Empfangen der von den auf den Transportbändern transportierten Waren reflektierten Strahlung auf. Üblicherweise handelt es sich bei der Strahlung um Licht im sichtbaren bzw. ultraroten Wellenlängenbereich.The scanning unit associated with the slot is assigned to the conveyor belts as well as the other scanning units, which may optionally be provided in a stationary manner. The scanning unit typically includes a source for emitting optical radiation and a detector for receiving the radiation reflected from the goods being transported on the conveyor belts. Usually, the radiation is light in the visible or ultra-red wavelength range.

Obwohl sich die Vorrichtung grundsätzlich bewährt hat, können Waren bei der Übergabe von dem ersten Transportband an das zweite Transportband in den zwischen den Transportbändern ausgebildeten Schlitz hineinfallen mit der Folge, dass der Erfassungsvorgang unterbrochen werden muss. Überdies kann es in Ausnahmefällen zu einer Beschädigung der Waren bzw. ihrer Verpackung bei der Übergabe derselben von einem Transportband an das nächste kommen.Although the device has proven itself in principle, goods may fall into the slot formed between the conveyor belts during the transfer from the first conveyor belt to the second conveyor belt with the result that the detection process must be interrupted. Moreover, it may in exceptional cases to damage the goods or their packaging in the transfer of the same from one conveyor belt to the next.

Aufgabe der vorliegenden Erfindung ist es daher, die Vorrichtung derart weiterzubilden, dass die Zuverlässigkeit erhöht und einer Beschädigung der Waren vorgebeugt wird.Object of the present invention is therefore to develop the device such that the reliability is increased and damage to the goods is prevented.

Zur Lösung dieser Aufgabe ist die erfindungsgemäße Vorrichtung in Verbindung mit dem Oberbegriff des Patentanspruchs 1 dadurch gekennzeichnet, dass der Schlitz zumindest teilweise durch eine Schutzschiene überdeckt ist, welche sich quer zu der Transportrichtung erstreckt und beabstandet zu den Transportbändern angeordnet ist.To solve this problem, the device according to the invention in conjunction with the preamble of claim 1, characterized in that the slot at least partially is covered by a protective rail, which extends transversely to the transport direction and is arranged at a distance from the conveyor belts.

Der besondere Vorteil der Erfindung besteht darin, dass Waren aufgrund des Vorsehen der den zwischen den Transportbändern ausgebildeten Schlitz teilweise abdeckenden Schutzschiene besonders zuverlässig von dem einen Transportband an das andere Transportband übergeben werden. Die Schutzschiene verhindert hierbei, dass die Waren in den Schlitz hineinfallen und dient zugleich als Träger bzw. Stütze für die Waren in vertikaler Richtung. Vorzugsweise überdeckt die Schutzschiene einen großen Teil des Schlitzes, so dass lediglich ein für die optische Abtastung der Waren funktionsnotwendiger, schmaler Spalt und/oder zu beiden Seiten der Schutzschiene je ein Funktionsspalt zwischen der Schutzschiene und den bewegten Transportbändern ausgebildet ist. Der Funktionsspalt gewährleistet hierbei, dass es nicht zu einer Berührung zwischen den Transportbändern und der Schutzschiene und infolgedessen nicht zu einer Beschädigung der Transportbänder bzw. der Schutzschiene kommt.The particular advantage of the invention is that goods are handed over due to the provision of the trained between the conveyor belts partially covering guard rail particularly reliable from the one conveyor belt to the other conveyor belt. The protective rail prevents this case that the goods fall into the slot and also serves as a support or support for the goods in the vertical direction. Preferably, the protective rail covers a large part of the slot, so that only one functionally necessary for the optical scanning of the goods, narrow gap and / or on both sides of the guard rail is formed a function gap between the guard rail and the moving conveyor belts. In this case, the functional gap ensures that there is no contact between the conveyor belts and the protective rail and, as a result, no damage to the conveyor belts or the protective rail.

Die Transportbänder sind beispielsweise als Endlosförderbänder ausgestaltet, wobei die Waren auf dem Obertrum der Endlosförderbänder in Transportrichtung transportiert werden.The conveyor belts are configured for example as endless conveyor belts, wherein the goods are transported on the upper run of the endless conveyor belts in the transport direction.

Nach einer bevorzugten Ausführungsform der Erfindung weist die Schutzschiene eine langgestreckte, quer zu der Transportrichtung orientierte Ausnehmung auf. Durch die Ausnehmung hindurch wird die Auflageseite der Waren mittels der Abtasteinheit abgetastet. Vorteilhaft kann durch das Vorsehen der langgestreckten Ausnehmung der Spalt zwischen den beiden Transportbänder durch eine einzige Schutzschiene überdeckt werden. Die Ausnehmung, die hierbei den Abtastspalt definiert, kann beispielsweise mittig sowohl in der Schutzschiene als auch mittig zwischen den zwei Transportbändern vorgesehen werden. Hierdurch ist sichergestellt, dass bei mittiger Anordnung der Abtasteinheit in dem Schlitz die Auflageseite unter einem günstigen Abtastwinkel abgetastet werden kann. Vorzugsweise erfolgt die Abtastung unter einem 90°-Winkel zu der Auflageseite der Waren.According to a preferred embodiment of the invention, the protective rail on an elongated, oriented transversely to the transport direction recess. Through the recess, the support side of the goods is scanned by means of the scanning unit. Advantageously, by providing the elongate recess, the gap between the Both conveyor belts are covered by a single protective rail. The recess, which in this case defines the scanning gap, can for example be provided centrally both in the protective rail and in the middle between the two conveyor belts. This ensures that in the central slot of the scanning unit in the slot, the support side can be scanned at a favorable scanning angle. Preferably, the scanning is done at a 90 ° angle to the support side of the goods.

Nach einer Weiterbildung der Erfindung ist die Schutzschiene beweglich, insbesondere um eine Längsrichtung der Schutzschiene schwenkbar in Bezug auf die Transportbänder gehalten. Insbesondere kann vorgesehen sein, dass die Schutzschiene beim Eintreten von Waren in den Schlitz angehoben, das heißt von den Transportbändern entfernt wird. Die in den Schlitz eintretenden Waren selbst können hierbei die Schutzschiene anheben. Vorteilhaft wird durch die bewegliche Anordnung der Schutzschiene einer Beschädigung der Waren bzw. ihrer Verpackung selbst dann vorgebeugt, wenn die Ware bei der Übergabe von dem ersten Transportband an das zweite Transportband in den Abtastspalt bzw. einen der beiden Funktionsspalten hineingelangt. Dies kann beispielsweise der Fall sein, wenn sehr flache Gegenstände, beispielsweise Zeitungen oder einzelne Blätter von Zeitschriften, auf dem Transportband gefördert werden.According to a development of the invention, the protective rail is movable, in particular held about a longitudinal direction of the guard rail pivotally with respect to the conveyor belts. In particular, it can be provided that the protective rail is raised when entering goods in the slot, that is removed from the conveyor belts. The entering into the slot goods themselves can hereby raise the guard rail. Advantageously, by the movable arrangement of the guard rail damage to the goods or their packaging is prevented even if the goods get in the transfer of the first conveyor belt to the second conveyor belt in the Abtastspalt or one of the two function columns. This may for example be the case when very flat objects, such as newspapers or individual sheets of magazines, are conveyed on the conveyor belt.

Nach einer Weiterbildung der Erfindung ist der Schutzschiene zumindest ein Sensor zugeordnet zur Erfassung von Waren, die in den zwischen den Transportbändern gebildeten Schlitz eintreten. Vorteilhaft kann durch das Vorsehen einer geeigneten Sensorik das Eintreten von Waren in den Schlitz automatisiert erkannt werden. Dies ist beispielsweise an Selbstbedienungskassensystemen, welche nicht von geschultem Personal bedient werden und die von dem Kunden auf das Transportband gelegten Waren im Wesentlichen selbsttätig erfassen, von großem Vorteil. Beispielsweise kann als Sensor ein optischer Sensor (Lichtschranke oder dergleichen) vorgesehen sein. Ebenso ist möglich, der Schutzschiene einen Kraftsensor zuzuordnen, welcher einen Kraftanstieg detektiert, der Folge des Eintretens von Waren in den Abtastspalt bzw. eine Funktionsspalte ist. Ebenso kann der beweglich gelagerten Schutzschiene ein Bewegungssensor zugeordnet werden.According to a development of the invention, the protective rail is assigned at least one sensor for detecting goods that enter the slot formed between the conveyor belts. Advantageously, by the introduction of suitable sensors, the entry of goods into the slot can be detected automatically. This is for example Self-service checkout systems, which are not operated by trained personnel and essentially detect the goods placed on the conveyor belt by the customer, are of great advantage. For example, can be provided as a sensor, an optical sensor (light barrier or the like). It is also possible to assign the guard rail to a force sensor which detects an increase in force, the result of the entry of goods into the scanning gap or a function column. Likewise, the movable guard rail can be assigned a motion sensor.

Nach einer Weiterbildung der Erfindung ist eine mit mindestens einem Sensor und mit einer die Transportbänder antreibenden Antriebseinheit zusammenwirkende Steuereinheit vorgesehen. Vorteilhaft können durch das Vorsehen der Steuereinheit die Transportbänder beim Eintritt von Waren in den Schlitz gestoppt werden. Durch den Stopp der Transportbänder kann zum einen einer weiteren Beschädigung von Waren bzw. deren Verpackung, welche zumindest teilweise in den Schlitz hineinragen, vorgebeugt werden. Zum anderen wird die Möglichkeit geschaffen, während des Stillstands der Transportbänder die in den Schlitz gelangten Waren aus demselben zu entnehmen.According to a development of the invention, a control unit cooperating with at least one sensor and with a drive unit driving the conveyor belts is provided. Advantageously, by providing the control unit, the conveyor belts can be stopped when goods enter the slot. By stopping the conveyor belts can on the one hand further damage of goods or their packaging, which protrude at least partially into the slot, be prevented. On the other hand, the possibility is created during the stoppage of the conveyor belts to remove the goods in the slot goods from the same.

Nach einer Weiterbildung der Erfindung sind die Transportbänder höhenversetzt zueinander angeordnet, wobei das in Transportrichtung gesehen vordere Transportband unterhalb des in Transportrichtung gesehen hinteren Transportbands angeordnet ist. Eine Oberfläche der Schutzschiene ist zur Verbindung der Auflageflächen der Transportbänder im Bereich des Schlitzes geneigt angeordnet. Vorteilhaft wird durch die geneigte Anordnung der Schutzschiene und den Höhenversatz der Transportbänder die Übergabe der Waren von dem ersten Transportband an das zweite Transportband vereinfacht. Die Schutzschiene wirkt hierbei nach Art einer Warenrutsche. Zudem kann eine Transportgeschwindigkeit der Transportbänder so gewählt werden, dass die Waren insbesondere über den zwischen dem ersten Transportband und der Schutzschiene gebildeten Funktionsspalt hinweg "schießen". Hierdurch sinkt das Risiko, dass Waren in diesen Funktionsspalt gelangen.According to a development of the invention, the conveyor belts are arranged offset in height to one another, wherein the front transport belt seen in the transport direction is arranged below the rear transport belt seen in the transport direction. A surface of the protective rail is arranged inclined to connect the bearing surfaces of the conveyor belts in the region of the slot. It is advantageous by the inclined arrangement of the protective rail and the height offset the conveyor belts simplifies the transfer of the goods from the first conveyor belt to the second conveyor belt. The protective rail acts in the manner of a slide. In addition, a transport speed of the conveyor belts can be selected so that the goods "shoot" in particular over the functional gap formed between the first conveyor belt and the protective rail. This reduces the risk of goods getting into this functional gap.

Nach einer Weiterbildung der Erfindung sind die Transportbänder, die Schutzschiene und die der Schutzschiene bzw. dem durch die Schutzschiene abgedeckten Schlitz zugeordnete Abtasteinheit an einem gemeinsamen Trägerbauteil befestigt. Vorteilhaft wird durch das Vorsehen eines gemeinsamen Trägerbauteils eine genaue Lagezuordnung der einzelnen Funktionskomponenten (Transportbänder, Schutzschiene, Abtasteinheit) zueinander gewährleistet mit der Folge, dass die Waren besonders zuverlässig und sicher optisch abgetastet und erkannt werden können. Hierbei können an dem Trägerbauteil oder den Funktionskomponenten Justagemittel vorgesehen sein, um die Positionierung der Funktionskomponenten zueinander bei der Montage und Inbetriebnahme des Systems einmalig exakt einzustellen und zu fixieren. Als Justagemittel können beispielsweise Langlöcher in dem Trägerbauteil vorgesehen sein. Optional können an dem Trägerbauteil weitere Funktionskomponenten der Vorrichtung, beispielsweise die weiteren Abtasteinheiten, mittels derer die weiteren Außenseiten der Waren optisch abgetastet werden, befestigt werden. In diesem Fall sind auch diese in ihrer Lage und relativen Position zu der dem Schlitz zugeordneten Abtasteinheit, zu den Transportbändern und zu der Schutzschiene positioniert.According to a development of the invention, the conveyor belts, the protective rail and the protective rail or the slot covered by the protective rail associated scanning unit are attached to a common carrier component. Advantageously, the provision of a common carrier component ensures a precise positional assignment of the individual functional components (conveyor belts, protective rail, scanning unit) to one another, with the result that the goods can be optically scanned and identified in a particularly reliable and secure manner. In this case, adjusting means can be provided on the carrier component or the functional components in order to precisely set and fix the positioning of the functional components relative to one another during assembly and commissioning of the system. As adjustment means, for example, slots can be provided in the support member. Optionally, further functional components of the device, for example the further scanning units, by means of which the further outer sides of the goods are optically scanned, can be fastened to the carrier component. In this case too, these are positioned in their position and relative position to the scanning unit associated with the slot, to the conveyor belts and to the protective rail.

Weitere Vorteile der Erfindung ergeben sich aus den weiteren Unteransprüchen.Further advantages of the invention will become apparent from the further subclaims.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Figuren näher erläutert.An embodiment of the invention will be explained in more detail with reference to FIGS.

Es zeigen:

Figur 1
eine Prinzipdarstellung der erfindungsgemäßen Vorrichtung mit einer Schutzschiene in einer Seitenansicht,
Figur 2
eine Vergrößerung des Bereichs X nach Figur 1 und
Figur 3
eine perspektivische Darstellung der an einem Trägerbauteil beweglich gehaltenen Schutzschiene.
Show it:
FIG. 1
a schematic diagram of the device according to the invention with a protective rail in a side view,
FIG. 2
an increase in the range X after FIG. 1 and
FIG. 3
a perspective view of the support member movably held on a protective rail.

Eine erfindungsgemäße Vorrichtung gemäß Figur 1 weist eine Transporteinrichtung 1 zum Transport von Waren in eine Transportrichtung 2 und ein Abtasteinheit 3 zum berührungslosen optischen Abtasten einer Auflageseite der auf der Transporteinrichtung 1 transportierten Waren auf. Die Transporteinrichtung 1 besitzt zwei in der Transportrichtung 2 hintereinander angeordnete Transportbänder 4, 5, welche in Transportrichtung 2 beabstandet zueinander angeordnet sind. Aufgrund der beabstandeten Anordnung der Transportbänder 4, 5 ist zwischen den Transportbänder 4, 5 ein sich quer zu der Transportrichtung 2 erstreckender Schlitz 6 ausgebildet. Durch den Schlitz 6 hindurch kann die Auflageseite der Waren mittels der Abtasteinheit 3 bei der Übergabe der Waren von dem in Transportrichtung 2 gesehen hinteren Transportband 4 an das in Transportrichtung 2 gesehen vordere Transportband 5 abgetastet werden.A device according to the invention FIG. 1 has a transport device 1 for transporting goods in a transport direction 2 and a scanning unit 3 for non-contact optical scanning of a support side of the goods transported on the transport device 1. The transport device 1 has two transport belts 4, 5 arranged one behind the other in the transport direction 2, which conveyor belts are arranged at a distance from one another in the transport direction 2. Due to the spaced arrangement of the conveyor belts 4, 5, a transversely to the transport direction 2 extending slot 6 is formed between the conveyor belts 4, 5. Through the slot 6, the support side of the goods can be seen by means of the scanning unit 3 in the transfer of goods from the transport direction 2 Rear conveyor belt 4 are scanned to the front in the transport direction 2 front conveyor belt 5.

Der Schlitz 6 wird teilweise von einer Schutzschiene 7 überdeckt, welche sich quer zu der Transportrichtung 2 erstreckt und derart beabstandet zu den Transportbändern 4, 5 angeordnet ist, dass sich zwischen der Schutzschiene 7 und dem hinteren Transportband 4 ein erster Funktionsspalt 8 und zwischen dem vorderen Transportband 5 und der Schutzschiene 7 ein zweiter Funktionsspalt 9 bildet. Die Schutzschiene 7 weist überdies einen sich in eine Längsrichtung 10 der Schutzschiene 7 erstreckende Ausnehmung 11 auf. Die Längsrichtung 10 der Schutzschiene 7 ist hierbei quer zur Transportrichtung 2 der Transporteinrichtung 1 orientiert. Die Abtastung der Auflageseite der Waren erfolgt mittels der Abtasteinheit 3 durch die als ein Abtastspalt dienende Ausnehmung 11 in der Schutzschiene 7 hindurch.The slot 6 is partially covered by a protective rail 7 which extends transversely to the transport direction 2 and is arranged at such a distance from the conveyor belts 4, 5, that between the guard rail 7 and the rear conveyor belt 4, a first functional gap 8 and between the front Conveyor belt 5 and the protective rail 7 forms a second functional gap 9. The protective rail 7 also has a recess 11 extending in a longitudinal direction 10 of the protective rail 7. The longitudinal direction 10 of the protective rail 7 is oriented here transversely to the transport direction 2 of the transport device 1. The scanning of the support side of the goods by means of the scanning unit 3 by serving as a scanning gap recess 11 in the protective rail 7 therethrough.

Die Schutzschiene 7 ist nach der dargestellten Ausführungsform der Erfindung beweglich in Bezug auf die Transportbänder 4, 5 angeordnet. Die Schutzschiene 7 ist hierzu mittels einer Verbindungseinheit 12 an einer in Figur 1 nicht dargestellten ortsfesten Komponente der Vorrichtung befestigt. Die Verbindungseinheit 12 sind so ausgebildet, dass die Schutzschiene 7 um die Längsrichtung 10 derselben in eine Schwenkrichtung 13 verschwenkt werden kann. Der Verbindungseinheit 12 ist überdies ein nicht dargestellter Wegsensor zur Erfassung der Lage bzw. des Schwenkwinkels der Schutzschiene 7 zugeordnet. Der Sensor ist mit einer Steuereinheit 14 verbunden. Die Steuereinheit 14 wiederum ist mit einer Abtasteinheit 15 zum Antrieb der Transporteinrichtung 1 verbunden. Die Abtasteinheit 15 treibt über nicht dargestellte Verbindungsmittel sowohl das erste Transportband 4 als auch das direkt angetriebene zweite Transportband 5 an.The protective rail 7 is arranged according to the illustrated embodiment of the invention movable with respect to the conveyor belts 4, 5. The protective rail 7 is for this purpose by means of a connection unit 12 to an in FIG. 1 Attached fixed component, not shown, of the device. The connection unit 12 are designed such that the protective rail 7 can be pivoted about the longitudinal direction 10 thereof in a pivoting direction 13. The connection unit 12 is also associated with a not shown displacement sensor for detecting the position or the pivot angle of the guard rail 7. The sensor is connected to a control unit 14. The control unit 14 in turn is connected to a scanning unit 15 for driving the transport device 1. The scanning unit 15 drives not shown connecting means both the first Conveyor belt 4 and the directly driven second conveyor belt 5 at.

Wie sich aus der detailvergrößerten Darstellung nach Figur 2 erkennen lässt, ist die zwischen dem ersten Transportband 4 und dem zweiten Transportband 5 erstreckte Schutzschiene 7 in der dargestellten Ausgangskonfiguration gegenüber der Horizontalen um einen Winkel α geneigt angeordnet. Die geneigte Anordnung der Schutzschiene 7 dient dazu, Auflageflächen 16, 17 der Transportbänder 4, 5 miteinander zu verbinden und einen Höhenversatz der Transportbänder 4, 5 der Transporteinrichtung 1 auszugleichen. Die Auflagefläche 16 wird hierbei durch das Obertrum des hinteren Transportbands 4 und die Auflagefläche 17 durch das Obertrum des vorderen Transportbands 5 gebildet.As can be seen from the detail enlarged representation FIG. 2 can be seen, the extending between the first conveyor belt 4 and the second conveyor belt 5 guard rail 7 in the illustrated initial configuration relative to the horizontal by an angle α inclined. The inclined arrangement of the protective rail 7 serves to connect bearing surfaces 16, 17 of the conveyor belts 4, 5 with each other and to compensate for a height offset of the conveyor belts 4, 5 of the transport device 1. The support surface 16 is in this case formed by the upper strand of the rear conveyor belt 4 and the support surface 17 by the upper strand of the front conveyor belt 5.

Da die Auflagefläche 16 des ersten Transportbands 4 oberhalb der Auflagefläche 17 des zweiten Transportbands 5 angeordnet ist, können die in Transportrichtung 2 transportierten Waren entlang der Schutzschiene 7 selbsttätig von dem ersten Transportband 4 an das zweite Transportband 5 übergeben werden. Die Schutzschiene 7 weist hierbei eine Oberseite 18 auf, welche die Waren nach Art einer Warenrutsche während der Übergabe vertikal stützt.Since the bearing surface 16 of the first conveyor belt 4 is arranged above the support surface 17 of the second conveyor belt 5, the goods transported in the transport direction 2 can be automatically transferred along the protective rail 7 from the first conveyor belt 4 to the second conveyor belt 5. The protective rail 7 in this case has an upper side 18, which supports the goods in the manner of a slide during the transfer vertically.

Der Schlitz 6 zwischen dem ersten Transportband 4 und dem zweiten Transportband 5 ist an seiner schmalsten Stelle beispielsweise zwischen 10 mm und 20 mm breit. Die den Schlitz 6 überdeckende Schutzschiene 7 weist beispielsweise eine Breite von 28 mm auf, wobei die Ausnehmung 11, welche als Abtastspalt dient, eine Breite von beispielsweise 6 mm aufweisen kann. In der Ausgangskonfiguration beträgt der Winkel α beispielsweise 5°. Der Höhenversatz zwischen dem ersten Transportband 4 und dem zweiten Transportband 5 beträgt beispielsweise 2,3 mm. Die Funktionsspalten 8, 9, welche ausgebildet sind, um eine Anlage der Schutzschiene 7 an den rotierenden Transportbänder 4, 5 zu verhindern, haben in der dargestellten Ausgangskonfiguration eine Breite von beispielsweise 1 mm oder weniger.The slot 6 between the first conveyor belt 4 and the second conveyor belt 5 is at its narrowest point, for example between 10 mm and 20 mm wide. The slot 6 covering protective rail 7, for example, has a width of 28 mm, wherein the recess 11, which serves as a scanning gap, may have a width of, for example, 6 mm. In the initial configuration, the angle α is for example 5 °. The height offset between the first conveyor belt 4 and the second conveyor belt 5 is for example 2.3 mm. The function columns 8, 9, which are designed to prevent a bearing of the protective rail 7 on the rotating conveyor belts 4, 5, in the illustrated initial configuration have a width of, for example, 1 mm or less.

Zum Abtasten der Auflageseite der Ware wird die Ware auf dem ersten Transportband 4 in Transportrichtung 2 gefördert. Gelangen die Waren in den Bereich des Spalts 6, gleiten sie über die Oberfläche 18 der Schutzschiene 7 und gelangen zu dem zweiten Transportband 5, von dem sie weiter in Transportrichtung 2 transportiert werden. Beim Überstreichen der Schutzschiene 7 wird die Auflagefläche der Waren durch den Abtastspalt (Ausnehmung 11) hindurch optisch abgetastet.For scanning the support side of the goods, the goods are conveyed on the first conveyor belt 4 in the transport direction 2. If the goods reach the area of the gap 6, they slide over the surface 18 of the protective rail 7 and reach the second conveyor belt 5, from which they are transported further in the transporting direction 2. When passing over the protective rail 7, the support surface of the goods is optically scanned through the scanning gap (recess 11).

Ausnahmsweise kann eine Ware beim Verlassen des ersten Transportbands 4 ganz oder teilweise in den ersten Funktionsspalt 8 oder den Abtastspalt (Ausnehmung 11) gelangen. Beispielsweise ist es möglich, dass eine Zeitschrift oder einzelne Seiten der Zeitschrift durch den ersten Funktionsspalt 8 in den Schlitz 6 gelangen. In diesem Fall wird die Schutzschiene 7 durch die in dem ersten Funktionsspalt 8 gelangte Ware in die Schwenkrichtung 13 aufgeschwenkt. Infolge des Aufschwenkens wird eine Beschädigung der Ware bzw. deren Verpackung vorgebeugt, da die Schutzschiene 7 quasi nachgiebig ausgebildet ist und sich die Breite des Funktionsspalts 8 beim Eintreten der Ware vergrößert.Exceptionally, a product when leaving the first conveyor belt 4 completely or partially reach the first functional gap 8 or the scanning gap (recess 11). For example, it is possible for a journal or individual pages of the magazine to enter the slot 6 through the first functional gap 8. In this case, the protective rail 7 is pivoted by the arrived in the first functional gap 8 goods in the pivoting direction 13. As a result of swinging up damage to the goods or their packaging is prevented, since the protective rail 7 is formed quasi flexible and the width of the functional gap 8 increases upon entry of the goods.

Das Anheben der Schutzschiene 7 wird mittels des nicht dargestellten, des Verbindungseinheit 12 zugeordneten Sensors erfasst. Der Sensor ist beispielsweise als ein Wegsensor ausgebildet. Das Wegsignal wird von dem nicht dargestellten Sensor an die Steuereinheit 14 übertragen. Die Steuereinheit 14 wirkt derart mit der Antriebseinheit 15 der Transporteinrichtung 1 zusammen, dass beim Eintreten der Waren in den Spalt 6 und des hierdurch bedingten Aufschwenkens der Schutzschiene 7 die Transportbänder 4, 5 gestoppt werden. Durch das Stoppen der Transportbänder 4, 5 wird zum einen gewährleistet, dass die Ware nicht weiter in den Spalt 6 hineintransportiert und/oder beschädigt wird. Zum anderen ist sichergestellt, dass die in den Spalt 6 gelangten Waren während des Stillstands der Transportbänder 4, 5 gefahrlos aus dem Schlitz 6 entnommen werden können. Hierdurch ist einer Beschädigung der Vorrichtung und einer hierdurch bedingten langen Ausfallzeit derselben wirkungsvoll vorgebeugt.The raising of the protective rail 7 is detected by means of the not shown, the connection unit 12 associated sensor. The sensor is for example a displacement sensor educated. The path signal is transmitted from the sensor, not shown, to the control unit 14. The control unit 14 cooperates with the drive unit 15 of the transport device 1 in such a way that the conveyor belts 4, 5 are stopped when the goods enter the gap 6 and the pivoting up of the protective rail 7 caused thereby. By stopping the conveyor belts 4, 5, on the one hand, it is ensured that the goods are not further transported into the gap 6 and / or damaged. On the other hand, it is ensured that the goods that have reached the gap 6 can be safely removed from the slot 6 during standstill of the conveyor belts 4, 5. As a result, damage to the device and a resulting long downtime the same is effectively prevented.

Der zweite Funktionsspalt 9 ist aufgrund der Transportrichtung 2 des zweiten Transportbands 5 als unkritisch zu betrachten, da in den zweiten Funktionsspalt 9 gelangte Waren infolge der Transportbewegung selbsttätig aus diesem herausgefördert werden.The second functional gap 9 is due to the transport direction 2 of the second conveyor belt 5 to be regarded as uncritical, since in the second functional gap 9 arrived goods due to the transport movement are automatically conveyed out of this.

Selbstverständlich können den Transportbänder 4, 5 zugewandte Stirnseiten 19 der Schutzschiene 7 profiliert ausgebildet und der Oberflächengeometrie des Transportbands 4, 5 angepasst werden, um ein besonders kleines Spaltmaß zu erreichen.Of course, the conveyor belts 4, 5 facing end faces 19 of the guard rail 7 profiled formed and the surface geometry of the conveyor belt 4, 5 are adapted to achieve a particularly small gap.

Grundsätzlich muss der Sensor nicht in die Verbindungseinheit 12 integriert angeordnet sein. Beispielsweise kann statt eines Wegsensors ein geeigneter Kraftsensor und/oder ein optischer Sensor zur Erfassung von in den Spalt 6 gelangten Waren vorgesehen sein.In principle, the sensor does not have to be integrated into the connection unit 12. For example, instead of a displacement sensor, a suitable force sensor and / or an optical sensor for detecting goods that have entered the gap 6 may be provided.

Statt die Schutzschienen 7 zu verschwenken ist auch eine Linearbewegung möglich, wobei ungeachtet dessen, ob die Schutzschiene 7 geschwenkt oder linear bewegt wird, die Schutzschiene 7 beim Eintreten von Waren in den Schlitz 6 von den Transportbändern 4, 5 weg bewegt wird und dass der Funktionsspalt 8 größer wird.Instead of pivoting the protective rails 7, a linear movement is possible, regardless of whether the protective rail 7 is pivoted or moved linearly, the protective rail 7 is moved when entering goods in the slot 6 of the conveyor belts 4, 5 and that the functional gap 8 gets bigger.

Figur 3 zeigt eine perspektivische Ansicht eines Bauteilträgers 20, an dem die Schutzschiene 7 um ihre Längsrichtung 10 verschwenkbar gehalten ist. Die Schutzschiene 7 stützt sich hierzu über einen Schwenkarm 21 an dem rahmenförmig ausgebildeten, geschlossenen Trägerbauteil 20 ab. Der Schwenkarm 21 wiederum stützt sich über die Verbindungseinheit 12, welche integriert den nicht dargestellten Sensor aufweist, an dem Trägerbauteil 20 ab. FIG. 3 shows a perspective view of a component carrier 20, on which the protective rail 7 is held pivotable about its longitudinal direction 10. The protective rail 7 is supported for this purpose via a pivot arm 21 on the frame-shaped, closed support member 20. The pivot arm 21 in turn is supported on the carrier component 20 via the connection unit 12, which integrally has the sensor (not shown).

Das Trägerbauteil 20 dient neben der beweglichen Lagerung der Schutzschiene 7 zur Befestigung der Abtasteinheit 3. Ferner ist die Transporteinrichtung 1 an dem Trägerbauteil 20 befestigt. Hierdurch wird gewährleistet, dass die Schutzschiene 7, die Abtasteinheit 3 und die Transporteinrichtung 1 eine definierte Lage zueinander aufweisen. Die definierte Lage der Komponenten zueinander verbessert die Erfassungsgenauigkeit. Das Trägerbauteil 20 ist wiederum an einem nicht dargestellten Gestell der Erfassungsvorrichtung befestigt.The support member 20 is used in addition to the movable mounting of the guard rail 7 for fixing the scanning unit 3. Further, the transport device 1 is attached to the support member 20. This ensures that the protective rail 7, the scanning unit 3 and the transport device 1 have a defined position to each other. The defined position of the components to each other improves the detection accuracy. The support member 20 is in turn attached to a frame, not shown, of the detection device.

Nach einem alternativen, nicht dargestellten Ausführungsbeispiel der Erfindung kann die Schutzschiene 7 ortsfest angeordnet und insbesondere nicht schwenkbar sein. Der Schutzschiene 7 ist in diesem Fall vorzugsweise ein Kraftsensor zugeordnet, mittels dessen der Eintritt von Waren in den Spalt 6 detektiert werden kann. Sofern Waren in Spalt 6 gelangen, wird in bekannter Weise die Antriebseinheit 15 mittels der Steuerung 14 betätigt und die Transportbänder 4, 5 stillgesetzt.According to an alternative, not shown embodiment of the invention, the protective rail 7 can be arranged stationary and in particular not be pivotable. The protective rail 7 is in this case preferably associated with a force sensor, by means of which the entry of goods in the gap 6 can be detected. If goods enter gap 6, the drive unit 15 is actuated in a known manner by means of the controller 14 and the conveyor belts 4, 5 shut down.

Gleiche Bauteile und Bauteilfunktionen sind mit den gleichen Bezugszeichen versehen.The same components and component functions are provided with the same reference numerals.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Transporteinrichtungtransport means
22
Transportrichtungtransport direction
33
Abtasteinheitscanning
44
erstes Transportbandfirst conveyor belt
55
zweites Transportbandsecond conveyor belt
66
Schlitzslot
77
Schutzschieneguard rail
88th
erster Funktionsspaltfirst functional gap
99
zweiter Funktionsspaltsecond functional gap
1010
Längsrichtunglongitudinal direction
1111
Ausnehmungrecess
1212
Verbindungseinheitconnecting unit
1313
Schwenkrichtungpan direction
1414
Steuereinheitcontrol unit
1515
Antriebseinheitdrive unit
1616
Auflageflächebearing surface
1717
Auflageflächebearing surface
1818
Oberflächesurface
1919
Stirnseitefront
2020
Trägerbauteilsupport component
2121
Schwenkarmswivel arm
αα
Winkelangle

Claims (10)

Vorrichtung zum Erfassen von Waren mit einer zwei hintereinander angeordnete Transportbänder aufweisenden Transporteinrichtung zum Transport der Waren in eine Transportrichtung, wobei zwischen den Transportbändern ein sich quer zu der Transportrichtung erstreckender Schlitz ausgebildet ist, und mit einer Abtasteinheit zum berührungslosen optischen Abtasten einer Auflagefläche der auf der Transporteinrichtung transportierten Waren durch den Schlitz, dadurch gekennzeichnet, dass der Schlitz (6) zumindest teilweise durch eine Schutzschiene (7) überdeckt ist, welche sich quer zu der Transportrichtung (2) erstreckt und beabstandet zu den Transportbändern (4, 5) angeordnet ist.Apparatus for detecting goods with a two consecutively arranged conveyor belts having transport means for transporting the goods in a transport direction, wherein between the conveyor belts a transversely extending to the transport direction slot is formed, and with a scanning unit for non-contact optical scanning of a support surface of the transport device transported goods through the slot, characterized in that the slot (6) is at least partially covered by a protective rail (7) which extends transversely to the transport direction (2) and spaced from the conveyor belts (4, 5) is arranged. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Schutzschiene (7) eine langgestreckte, quer zu der Transportrichtung (2) orientierte Ausnehmung (11) aufweist, durch die hindurch die Auflageseite der Waren abtastbar ist.Apparatus according to claim 1, characterized in that the protective rail (7) has an elongated, transversely to the transport direction (2) oriented recess (11) through which the support side of the goods can be scanned. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Schutzschiene (7) beweglich in Bezug auf die Transporteinrichtung (1) gehalten ist.Apparatus according to claim 1 or 2, characterized in that the protective rail (7) is held movable with respect to the transport device (1). Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Schutzschiene (7) um eine Längsrichtung (10) derselben schwenkbar gehalten ist.Device according to one of claims 1 to 3, characterized in that the protective rail (7) about a longitudinal direction (10) thereof is pivotally held. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Schutzschiene (7) mindestens ein Sensor zugeordnet ist zur Erfassung von in den zwischen den Transportbändern (4, 5) gebildeten Schlitz (6) eingetretenen Waren.Device according to one of claims 1 to 4, characterized in that the protective rail (7) is associated with at least one sensor for detecting in the between the conveyor belts (4, 5) formed slot (6) occurred goods. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass eine mit dem mindestens einen Sensor und einer die Transportbänder (4, 5) antreibenden Antriebsseinheit (2) zusammenwirkende Steuereinheit (14) vorgesehen ist zum Stillsetzen der Transportbänder (4, 5) beim Eintreten von Waren in den Schlitz (6).Device according to one of claims 1 to 5, characterized in that a cooperating with the at least one sensor and a conveyor belts (4, 5) driving unit (2) control unit (14) is provided for stopping the conveyor belts (4, 5) Entering goods in the slot (6). Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass Auflageflächen (16, 17) der Transportbänder (4, 5) höhenversetzt zueinander angeordnet sind derart, dass das in Transportrichtung (2) gesehen vordere Transportband (5) unterhalb des in Transportrichtung (2) hinteren Transportbands (4) angeordnet ist.Device according to one of claims 1 to 6, characterized in that bearing surfaces (16, 17) of the conveyor belts (4, 5) are arranged offset in height to each other such that in the transport direction (2) seen front conveyor belt (5) below the transport direction ( 2) rear conveyor belt (4) is arranged. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass eine Oberfläche der Schutzschiene (7) zur Verbindung der Auflageflächen (16, 17) der Transportbänder (4, 5) im Bereich des Schlitzes (6) geneigt angeordnet ist.Device according to one of claims 1 to 7, characterized in that a surface of the protective rail (7) for connecting the bearing surfaces (16, 17) of the conveyor belts (4, 5) in the region of the slot (6) is arranged inclined. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Transportbänder (4, 5) und die Schutzschiene (7) und die Abtasteinheit (3) an einem gemeinsamen Trägerbauteil (20) befestigt sind.Device according to one of claims 1 to 8, characterized in that the conveyor belts (4, 5) and the protective rail (7) and the scanning unit (3) are fastened to a common carrier component (20). Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Trägerbauteil (20) als ein geschlossenes, rahmenförmiges Trägerbauteil (20) ausgebildet ist.Device according to one of claims 1 to 9, characterized in that the carrier component (20) as a closed, frame-shaped support member (20) is formed.
EP11009450.5A 2011-01-04 2011-11-30 Device for collecting goods Active EP2472485B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011000025A DE102011000025A1 (en) 2011-01-04 2011-01-04 Device for detecting goods

Publications (2)

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EP2472485A1 true EP2472485A1 (en) 2012-07-04
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CN111348398A (en) * 2020-02-28 2020-06-30 长园装备制造有限公司 Conveyor and conveying method

Also Published As

Publication number Publication date
ES2471066T3 (en) 2014-06-25
US8627946B2 (en) 2014-01-14
DE102011000025A1 (en) 2012-07-05
EP2472485B1 (en) 2014-03-26
US20120247924A1 (en) 2012-10-04

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