EP3950517B1 - Labelling device - Google Patents

Labelling device Download PDF

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Publication number
EP3950517B1
EP3950517B1 EP21191686.1A EP21191686A EP3950517B1 EP 3950517 B1 EP3950517 B1 EP 3950517B1 EP 21191686 A EP21191686 A EP 21191686A EP 3950517 B1 EP3950517 B1 EP 3950517B1
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EP
European Patent Office
Prior art keywords
pullout
end position
extension
labeling apparatus
conveyor belt
Prior art date
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Application number
EP21191686.1A
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German (de)
French (fr)
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EP3950517A1 (en
Inventor
Martin Kraft
Kevin Weckenmann
Florian Strücker
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.)
Bizerba SE and Co KG
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Bizerba SE and Co KG
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Publication date
Application filed by Bizerba SE and Co KG filed Critical Bizerba SE and Co KG
Priority to EP21191686.1A priority Critical patent/EP3950517B1/en
Publication of EP3950517A1 publication Critical patent/EP3950517A1/en
Application granted granted Critical
Publication of EP3950517B1 publication Critical patent/EP3950517B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C1/00—Labelling flat essentially-rigid surfaces
    • B65C1/02—Affixing labels to one flat surface of articles, e.g. of packages, of flat bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/40—Controls; Safety devices
    • B65C9/42—Label feed control

Definitions

  • the present invention relates to a labeling device with a conveyor belt for transporting packs, in particular along a transport direction, a labeller, in particular for the underside of the pack, in order to apply labels to the packs from below, and a pull-out device which comprises a pull-out which is connected via a pull-out guide stored on a stationary pull-out carrier and can be moved linearly relative to this between a retracted end position and an extended end position, in particular transversely, in particular perpendicular, to the conveying direction, the labeler being positioned on the pull-out, and wherein the pull-out device is designed such that the position the retracted end position of the extension, especially in the direction of travel, can be adjusted.
  • Such a labeling device is from the document DE 10 2013 203 456 A1 known.
  • labelers for the bottom of the pack are difficult to access due to their arrangement below the conveyor belt, making the operation and maintenance of such labelers more difficult.
  • the labeler can be moved or moved from its operating position below the conveyor belt to a more accessible service position without major problems.
  • the pull-out process is carried out manually and is made possible by the pull-out guide.
  • the label position on the packages to be labeled can be adjusted via the position of the retracted end position, which corresponds to the operating position of the labeller.
  • the location of the retracted End position can be adjusted in order to change from a central attachment position of the labels on the packs to an off-center attachment position.
  • an adjustment of the position of the labeler will generally be necessary.
  • a stopper that is adjustable in the direction of travel is provided for the extension.
  • the stopper is oriented upwards and fastened on a rail, which can be adjusted in the direction of travel via screw connections along elongated holes formed in a cross member of the pull-out support, the rail being clamped to the cross member when the screw connections are tightened.
  • a downward-directed stop element is fixed in an unadjustable manner, which rests against the stopper in the retracted end position.
  • the invention is based on the object of specifying a labeling device of the type mentioned at the outset, which enables a less problematic adjustment of the position of the retracted end position of the pull-out.
  • the pull-out device comprises a motorized adjustment unit, in particular an electric motor drive, controlled in particular by a control device, in order to adjust the position of the retracted end position of the pull-out.
  • the accessibility to an adjustment device is not improved, but a completely different approach is chosen, namely to provide a motorized adjustment unit in order to adjust the position of the pull-out in the retracted end position. Accessibility for an operator is not required at all.
  • the pull-out guide and the pull-out support are each part of the pull-out device.
  • the extension can be moved horizontally and/or at least substantially perpendicular to a transport direction of the conveyor belt.
  • the labeler is arranged below the conveyor belt and/or within a frame of the labeling device.
  • the motorized adjustment unit is not designed to move the extension into the extended end position. In particular, particularly in normal operation of the labeling device, moving the extension beyond the end positions is not possible.
  • the packs can be packaging.
  • a control device is provided which is designed to control the motorized adjustment unit of the pull-out device in such a way that the position of the retracted end position of the pull-out is set, in particular automatically, depending on a predetermined dispensing position of the labels to be applied relative to the conveyor belt.
  • the donation position can be specified, for example, by making a corresponding entry.
  • a storage device is provided in which several donation positions for labels and/or packages of different dimensions, in particular width, are stored, the control unit being designed to select the predetermined donation position from the stored donation positions.
  • the motor-driven adjustment unit comprises a threaded spindle, in particular with a threaded rod and a spindle nut, and an electric motor driving the threaded spindle.
  • a motorized adjustment unit is easy to implement and allows precise adjustment of the position of the retracted end position of the extension.
  • the pitch of the threaded spindle will be chosen to be comparatively small in order to enable fine adjustment of the position of the retracted end position.
  • a movement of the extension between the retracted end position and the extended end position can take place due to a corresponding movement of the spindle nut.
  • the electric motor can be arranged firmly on the extension, so that it is moved with the extension when adjusting the position of the retracted end position and when moving between the retracted end position and the extended end position.
  • the electric motor can be arranged firmly on the extension, so that it is moved with the extension when adjusting the position of the retracted end position and when moving between the retracted end position and the extended end position.
  • the extension is axially fixed to the threaded rod, in particular via a housing of the motor-driven adjustment unit, so that when the spindle nut is held stationary and the electric motor is activated, an axial movement of the threaded rod and thus of the extension takes place. If the electric motor is switched on so that the threaded rod rotates and the spindle nut is held stationary at the same time, this inevitably results in a movement of the threaded rod in its axial direction. Since the extension is axially fixed to the threaded rod, an axial movement of the threaded rod inevitably results in a corresponding movement of the extension.
  • a retraction lock can be provided which releases the axially fixed coupling of the extension with the threaded rod if, during an automated retraction from the extended end position to the retracted end position, in particular due to a corresponding movement of the spindle nut, a force acting on the extension counteracts the retraction a given one measure exceeds. This can be the case, for example, if an operator's arm or hand is accidentally caught between the pull-out and a frame of the labeling device when the pull-out is retracted.
  • the retraction protection means that injuries to the operator can at least largely be avoided.
  • the retraction protection can be implemented in a simple and safe manner in that the threaded rod is coupled to the electric motor in a rotationally fixed but axially movable manner, with the threaded rod actuating a safety switch against the force of a spring when the specified dimension is exceeded.
  • the safety switch can then be used to switch off automated retraction, in particular due to an additional drive, as explained in more detail below.
  • the pull-out device can comprise a further drive, in particular controlled by a control device, in order to move the pull-out between the retracted end position and the extended end position in an automated manner, ie not manually.
  • the further drive is preferably designed as a pneumatic or hydraulic cylinder, in particular with a stationary housing and a piston arranged axially movably therein.
  • the operating pressure of the pneumatic cylinder is preferably a maximum of 3 bar, in particular a maximum of 2 bar. At these comparatively low pressures, injuries to the operator due to entrapment when the extension is retracted can also be at least largely avoided.
  • the aforementioned spindle nut can be axially fixedly coupled to the piston, so that when the further drive is activated, an axial movement of the motorized adjustment unit and thus of the extension takes place.
  • the provision of the further drive enables a quick movement of the extension between the retracted end position and the extended end position, whereas the movement of the extension when adjusting the position of the retracted end position by the motorized adjustment unit, in particular by a correspondingly small pitch of the aforementioned threaded spindle in order to enable fine adjustment of this position, takes place comparatively slowly.
  • the movement of the extension between the retracted end position and the extended end position takes place at a higher speed than the movement of the extension when adjusting the position of the retracted end position.
  • the extension is designed as a manual extension in order to manually move the extension between the retracted end position and the extended end position.
  • an extension lock can be provided which releases the axially fixed coupling of the spindle nut with the piston if, when extending from the retracted end position to the extended end position, in particular due to a corresponding movement of the piston, a force acting on the extension counteracts the extension exceeds a specified level. This can be the case, for example, if an operator stands in the way of extending the pull-out.
  • the extension protection means that injuries to the operator can at least largely be avoided.
  • the extension protection can be implemented in a simple and safe manner in that the coupling of the spindle nut to the piston comprises a magnetic coupling between a magnet and a driver, whereby the magnetic coupling is released when the predetermined dimension is exceeded.
  • the conveyor belt comprises two conveyor belt sections arranged one behind the other and at a distance from one another, particularly in the transport direction, so that a gap is formed between the two conveyor belt sections through which the labels can be applied to the packs from below.
  • the gap extends over the entire width of the conveyor belt, so that Particularly wide labels and/or labels can also be applied to the packs at any point.
  • the invention further relates to a weighing conveyor device with at least one conveyor belt, a weighing belt and a labeling device, as described above.
  • the device shown shows a weighing conveyor device 11 known from the document mentioned at the beginning, which comprises a feed belt 15, a weighing belt 17, a discharge belt 19, a metal detector 23 and a labeling device 13 with a conveyor belt with two conveyor belt sections 27, 29.
  • the weighing belt 17 is coupled to a weighing cell, not shown, which is arranged below the weighing belt 17 and is designed to determine the weight of a package moving over the weighing belt 17.
  • Weighing belt 17 and weighing cell form a weighing platform, which can be designed as a checkweigher or as a price labeller. Dirt deflector plates 21 are provided on both sides of the three conveyor belts 15, 17, 19.
  • packages to be weighed are transferred from the feed belt 15 to the weighing belt 17, weighed there and transported further via the discharge belt 19 to a conveyor belt of the metal detector 23.
  • the packs are then taken over by the labeling device 13 and provided with a label that was previously printed with the weight determined by the weighing cell for the respective pack in a price labeller.
  • the labeling device 13 is therefore a labeling device including a printer.
  • the metal detector 23 can also be omitted, or instead of the metal detector 23 or in addition to this, a sorting device can also be provided, for example.
  • a control cabinet 31 is provided for controlling the weighing conveyor device 11.
  • the frame 25 comprises a plurality of side cheeks 33, which in the area of the conveyor belts 15 and 19, the weighing belt 17 and the metal detector 23, i.e. in the area of a weighing module and a metal detector module of the frame 25, are fixed via several longitudinal supports 37 designed as round tubes and running parallel to one another are connected to each other.
  • the side cheeks 33 of the weighing module are each designed in two parts, with the two respective side cheek parts being connected to one another via cross members 39 designed as square tubes, which are provided on the inside of the side cheek parts.
  • Two feet 35 are screwed onto the side walls 33 and are height-adjustable independently of one another. The height of the frame 25 can be adjusted using the feet 35.
  • the labeling device 13 comprises a so-called top labeler 41 or labeler for the top of the pack, which is arranged above the conveyor belt 27, 29 or the conveyor belt sections 27, 29 in order to transport packs transported on the conveyor belt 27, 29 from above, i.e. on the top side , to be provided with a label.
  • the labeling device 13 includes a so-called bottom labeler 43 or labeler for the underside of the pack, which is arranged within the frame 25, below the conveyor belt 27, 29 or the conveyor belt sections 27, 29, for packs transported on the conveyor belt 27, 29 from below, i.e. on the underside, with a label.
  • the respective label is dispensed from the bottom labeller 43 upwards through the gap formed between the conveyor belt section 27 and the conveyor belt section 29 and applied to the packs.
  • an in Fig. 2 Extractor device 45 shown in detail is provided for the bottom labeler 43 in order to pull the bottom labeler 43 out of the inaccessible operating position below the conveyor belt 27, 29.
  • the bottom labeler 43 also stands on a turntable 47 of the pull-out device 45. This makes it possible to pivot the bottom labeler 43 about the vertical in order to further facilitate work, in particular maintenance work, on the bottom labeler 43.
  • the pull-out device 45 comprises a plate-shaped pull-out 49, which can be moved linearly via a pull-out guide 51 between a retracted end position, as shown in FIG Fig. 1 and 2 is shown, and is mounted in an extended end position, not shown, on a stationary pull-out support 53, which is firmly connected to the frame 25.
  • the extension beam 53 has two L-shaped cross beams 55, the shorter legs of which are oriented vertically and the longer legs are oriented horizontally.
  • the two cross members 55 are arranged on both sides of the pull-out device 45.
  • the pull-out support 53 has two longitudinal supports 57, through which the two cross supports 55 are firmly connected to one another.
  • the pull-out guide 51 is designed as a roller guide.
  • two rollers 59 are provided on the top side of each of the two cross members 55, which are arranged one behind the other in the direction of travel of the pull-out 49 and of which in Fig. 2 only the front roller 59 is visible.
  • the rollers 59 are each designed in the manner of a rope pulley, ie their running surfaces are each provided with a circumferential groove in the middle.
  • the two rollers 59 of a respective cross member 55 cooperate with a respective guide rod 61 oriented in the direction of travel, which is attached to the underside of the pull-out 49 via a respective web 63. The interaction takes place in such a way that the respective guide rod 61 engages in the grooves of the two respective rollers 59, so that the guide rod 61 can roll on the rollers 59 when the extension 49 is moved.
  • a labeling device 13 according to the invention is shown, which is compared to the known labeling device 13 according to Fig. 1 and 2 further developed and their pull-out device 45 in the 4a to 6b is explained in more detail, with the same reference numerals for the same parts as in the previous ones Fig. 1 and 2 be used.
  • the pull-out device 45 additionally has a motorized adjustment unit in the form of an electric motor drive 65 and a pneumatic cylinder 67, the respective function of which is explained in more detail below.
  • the bottom labeler 43 does not stand directly on the turntable 47, but on a pivoting extension 69, which in turn is attached to the turntable 47.
  • the electric motor drive 65 is intended to adjust the position of the retracted end position of the extension 49. Since this position also predetermines the position of the bottom labeller 43 relative to the conveyor belt 27, 29 or the conveyor belt sections 27, 29, the label position on the packs is ultimately also predetermined.
  • the pneumatic cylinder 67 is intended to move the extension 49 between the retracted end position and the extended end position.
  • the electric motor drive 65 is arranged on the extension 49 and includes a threaded spindle 75, which has a threaded rod 77 and a spindle nut 79, and an electric motor 81, which drives the threaded spindle 75 or the threaded rod 77.
  • the threaded spindle 75 and the electric motor 81 are arranged in a housing 71 of the electric motor drive 65, which is attached to the extract 49 via two fastening plates 73.
  • the spindle nut 79 becomes stationary held and the electric motor 81 is activated, the threaded rod 77 moves with the electric motor 81 and the housing 71 in the axial direction of the threaded rod 77 and thus the extension 49 in the direction of travel (inwards or outwards).
  • the threaded rod 77 is axially fixed to the housing 71 and thus to the extension 49.
  • the extension 49 moves in the retracting or extending direction.
  • the extension 49 can be moved between the retracted end position and the extended end position.
  • the electric motor drive 65 is controlled by a control device, not shown, which can be arranged in particular in the control cabinet 31.
  • the control device can be used to ensure that the labels to be applied are applied to the incoming packs at a desired position, for example in the middle.
  • respective donation positions are stored in a database (not shown) for various labels and/or packages that differ from one another in their width, i.e. in particular in their dimensions perpendicular to the transport direction. If it is known which packages should be provided with which labels, the control device can then select the corresponding dispensing position and adjust the position of the extract 49 accordingly.
  • the pneumatic cylinder 67 is fixed in place on the rear side cheek 33 via two fastening plates 83.
  • the pneumatic cylinder 67 comprises a housing 85 and an axially movable piston (not shown) arranged therein, to which a piston rod 87 protruding from the housing 85 with one end is attached.
  • the pneumatic cylinder 67 is designed as a single-acting cylinder that can be operated with compressed air via a compressed air supply 89, so that the piston rod 87 can be moved back and forth in the axial direction.
  • the piston rod 87 has a connecting element 91 and a driver 93, which extends through a slot 95 formed on the underside of the housing 71 of the electric motor drive 65, axially fixedly coupled to the spindle nut 79, so that the extension 49 can be moved between the retracted end position and the extended end position by actuating the pneumatic cylinder 67 can be done as already mentioned above.
  • an extension lock 97 is provided in the form of a releasable magnetic coupling, through which the axially fixed coupling between the connecting element 91 and thus the piston or the piston rod 87 on the one hand and the driver 93 and ultimately the extract 49 can be solved on the other hand if the extract 49 moves against an operator.
  • the magnetic coupling 97 has a permanent magnet 99, which magnetically attracts the driver 93 and pulls it along when it is extended, with the magnetic attraction breaking off when the extension 49 hits an obstacle.
  • it can also be provided as a safety device that the operating pressure of the pneumatic cylinder 67 is chosen to be comparatively low, for example 1.5 bar, so that only a comparatively small force is exerted by the pneumatic cylinder 67.
  • a retraction safety device 101 is also provided in order to avoid jamming and thus injury to an operator when the extension 49 is retracted.
  • the retraction safety device 101 includes that the threaded rod 77 is axially movably coupled to the electric motor 81 and the threaded rod 77 can actuate a safety switch 105 against the force of a coil spring 103 and through an opening in an inner wall of the housing 71.
  • the piston rod 87 is retracted into the housing 85 of the pneumatic cylinder 67.
  • the connecting element 91 presses against the driver 93, so that the extension 49 moves through the spindle nut 79, the threaded rod 77 and the housing 71 are moved into the retracted end position.
  • the extension 49 encounters an obstacle, the axial coupling between the threaded rod 77 and the housing 71 is released.
  • the spindle nut 79 continues to retract, but the movement of the extension 49 and thus of the housing 71 is blocked, which results in an axial movement of the threaded rod 77 in the extension direction (with a simultaneous rotational movement), whereby the safety switch 105 is actuated, so that the pneumatic cylinder 67 can be deactivated accordingly.

Description

Die vorliegende Erfindung betrifft eine Etikettiervorrichtung mit einem Förderband zum Transportieren von Packungen, insbesondere entlang einer Transportrichtung, einem Etikettierer, insbesondere für die Packungsunterseite, um Etiketten von unten auf die Packungen aufzubringen, und einer Auszugvorrichtung, die einen Auszug umfasst, der über eine Auszugführung an einem stationären Auszugträger gelagert und relativ zu diesem linear zwischen einer eingefahrenen Endposition und einer ausgefahrenen Endposition, insbesondere quer, insbesondere senkrecht, zur Förderrichtung, verfahrbar ist, wobei der Etikettierer auf dem Auszug positioniert ist, und wobei die Auszugvorrichtung derart ausgebildet ist, dass die Lage der eingefahrenen Endposition des Auszugs, insbesondere in Verfahrrichtung, einstellbar ist.The present invention relates to a labeling device with a conveyor belt for transporting packs, in particular along a transport direction, a labeller, in particular for the underside of the pack, in order to apply labels to the packs from below, and a pull-out device which comprises a pull-out which is connected via a pull-out guide stored on a stationary pull-out carrier and can be moved linearly relative to this between a retracted end position and an extended end position, in particular transversely, in particular perpendicular, to the conveying direction, the labeler being positioned on the pull-out, and wherein the pull-out device is designed such that the position the retracted end position of the extension, especially in the direction of travel, can be adjusted.

Eine derartige Etikettiervorrichtung gemäß dem Oberbegriff des Anspruchs 1 ist aus dem Dokument DE 10 2013 203 456 A1 bekannt. Ohne Auszug sind Etikettierer für die Packungsunterseite aufgrund ihrer Anordnung unterhalb des Förderbands nur schwer zugänglich, so dass die Bedienung und Wartung derartiger Etikettierer erschwert wird. Durch den Auszug hingegen kann der Etikettierer ohne größere Probleme aus seiner Betriebsposition unterhalb des Förderbands in eine besser zugängliche Serviceposition verbracht bzw. bewegt werden. Das Verfahren des Auszugs erfolgt manuell und wird durch die Auszugführung ermöglicht.Such a labeling device according to the preamble of claim 1 is from the document DE 10 2013 203 456 A1 known. Without an extension, labelers for the bottom of the pack are difficult to access due to their arrangement below the conveyor belt, making the operation and maintenance of such labelers more difficult. By pulling out, however, the labeler can be moved or moved from its operating position below the conveyor belt to a more accessible service position without major problems. The pull-out process is carried out manually and is made possible by the pull-out guide.

Darüber hinaus kann über die Lage der eingefahrenen Endposition, die der Betriebsposition des Etikettierers entspricht, die Etikettenposition an den zu etikettierenden Packungen eingestellt werden. Beispielsweise kann die Lage der eingefahrenen Endposition verstellt werden, um von einer mittigen Anbringposition der Etiketten auf den Packungen auf eine außermittige Anbringposition zu wechseln. Darüber hinaus wird auch bei einer Umstellung der Etikettiervorrichtung auf Etiketten und/oder Packungen anderer Breite in der Regel eine Anpassung der Lage des Etikettierers erforderlich werden.In addition, the label position on the packages to be labeled can be adjusted via the position of the retracted end position, which corresponds to the operating position of the labeller. For example, the location of the retracted End position can be adjusted in order to change from a central attachment position of the labels on the packs to an off-center attachment position. In addition, if the labeling device is changed over to labels and/or packages of a different width, an adjustment of the position of the labeler will generally be necessary.

Um die Lage der eingefahrenen Endposition und damit des Etikettierers einzustellen, ist dem Dokument DE 10 2013 203 456 A1 ein in Verfahrrichtung verstellbarer Stopper für den Auszug vorgesehen. Der Stopper ist nach oben ausgerichtet und auf einer Schiene befestigt, die über Schraubverbindungen entlang in einem Querträger des Auszugträgers ausgebildeter Langlöcher in Verfahrrichtung verstellbar ist, wobei bei angezogenen Schraubverbindungen die Schiene an dem Querträger verklemmt ist. Ferner ist an dem beim Einfahren nachlaufenden Ende des Auszugs ein nach unten gerichtetes Anschlagelement unverstellbar befestigt, das in der eingefahrenen Endposition an dem Stopper anliegt.In order to set the position of the retracted end position and thus of the labeler, the document DE 10 2013 203 456 A1 a stopper that is adjustable in the direction of travel is provided for the extension. The stopper is oriented upwards and fastened on a rail, which can be adjusted in the direction of travel via screw connections along elongated holes formed in a cross member of the pull-out support, the rail being clamped to the cross member when the screw connections are tightened. Furthermore, at the end of the extension that trails during retraction, a downward-directed stop element is fixed in an unadjustable manner, which rests against the stopper in the retracted end position.

Bei der Etikettiervorrichtung des Dokuments DE 10 2013 203 456 A1 ist demnach zwar der Etikettierer an sich einfach und komfortabel zugänglich, jedoch nicht die Einrichtung, um die Lage der eingefahrenen Endposition des Auszugs einzustellen, so dass die Bedienung dieser Einstelleinrichtung erschwert wird.At the labeling device of the document DE 10 2013 203 456 A1 The labeller itself is therefore easily and conveniently accessible, but not the device for adjusting the position of the retracted end position of the pull-out, so that the operation of this adjustment device is made more difficult.

Der Erfindung liegt die Aufgabe zugrunde, eine Etikettiervorrichtung der eingangs genannten Art anzugeben, die eine unproblematischere Einstellung der Lage der eingefahrenen Endposition des Auszugs ermöglicht.The invention is based on the object of specifying a labeling device of the type mentioned at the outset, which enables a less problematic adjustment of the position of the retracted end position of the pull-out.

Die Aufgabe wird durch eine Etikettiervorrichtung mit den Merkmalen des Anspruchs 1 gelöst, und insbesondere dadurch, dass die Auszugvorrichtung eine, insbesondere von einer Steuerungseinrichtung gesteuerte, motorische Verstelleinheit, insbesondere einen Elektromotorantrieb, umfasst, um die Lage der eingefahrenen Endposition des Auszugs einzustellen.The object is achieved by a labeling device with the features of claim 1, and in particular in that the pull-out device comprises a motorized adjustment unit, in particular an electric motor drive, controlled in particular by a control device, in order to adjust the position of the retracted end position of the pull-out.

Erfindungsgemäß wird also nicht die Zugänglichkeit zu einer Einstelleinrichtung, wie sie aus dem Stand der Technik bekannt ist, verbessert, sondern es wird ein völlig anderer Ansatz gewählt, nämlich eine motorische Verstelleinheit vorzusehen, um die Lage des Auszugs in der eingefahrenen Endposition einzustellen. Eine Zugänglichkeit für einen Bediener ist dabei überhaupt nicht erforderlich.According to the invention, the accessibility to an adjustment device, as is known from the prior art, is not improved, but a completely different approach is chosen, namely to provide a motorized adjustment unit in order to adjust the position of the pull-out in the retracted end position. Accessibility for an operator is not required at all.

Die Auszugführung und der Auszugträger sind jeweils Teil der Auszugvorrichtung. Insbesondere ist der Auszug in der Horizontalen und/oder zumindest im Wesentlichen senkrecht zu einer Transportrichtung des Förderbands verfahrbar. Insbesondere ist der Etikettierer unterhalb des Förderbands und/oder innerhalb eines Gestells der Etikettiervorrichtung angeordnet. Insbesondere ist die motorische Verstelleinheit nicht dazu ausgelegt, den Auszug in die ausgefahrene Endposition zu verfahren. Insbesondere ist, insbesondere in einem Normalbetrieb der Etikettiervorrichtung, ein Verfahren des Auszugs über die Endpositionen hinaus nicht möglich. Insbesondere kann es sich bei den Packungen um Verpackungen handeln.The pull-out guide and the pull-out support are each part of the pull-out device. In particular, the extension can be moved horizontally and/or at least substantially perpendicular to a transport direction of the conveyor belt. In particular, the labeler is arranged below the conveyor belt and/or within a frame of the labeling device. In particular, the motorized adjustment unit is not designed to move the extension into the extended end position. In particular, particularly in normal operation of the labeling device, moving the extension beyond the end positions is not possible. In particular, the packs can be packaging.

Es ist eine Steuerungseinrichtung vorgesehen, die dazu ausgebildet ist, die motorische Verstelleinheit der Auszugvorrichtung derart anzusteuern, dass die Lage der eingefahrenen Endposition des Auszugs in Abhängigkeit von einer vorgegebenen Spendeposition der aufzubringenden Etiketten relativ zu dem Förderband insbesondere automatisch eingestellt wird.A control device is provided which is designed to control the motorized adjustment unit of the pull-out device in such a way that the position of the retracted end position of the pull-out is set, in particular automatically, depending on a predetermined dispensing position of the labels to be applied relative to the conveyor belt.

Die Spendeposition kann beispielsweise durch eine entsprechende Eingabe vorgegeben werden. Es ist jedoch eine Speichereinrichtung vorgesehen, in der mehrere Spendepositionen für Etiketten und/oder Packungen unterschiedlicher Abmessung, insbesondere Breite, hinterlegt sind, wobei die Steuerungseinheit dazu ausgelegt ist, aus den hinterlegten Spendepositionen die vorgegebene Spendeposition auszuwählen.The donation position can be specified, for example, by making a corresponding entry. However, a storage device is provided in which several donation positions for labels and/or packages of different dimensions, in particular width, are stored, the control unit being designed to select the predetermined donation position from the stored donation positions.

Nach einer Ausführungsform umfasst die motorische Verstelleinheit eine Gewindespindel, insbesondere mit einer Gewindestange und einer Spindelmutter, und einen die Gewindespindel antreibenden Elektromotor. Eine derartige motorische Verstelleinheit ist einfach umsetzbar und erlaubt eine genaue Einstellung der Lage der eingefahren Endposition des Auszugs. Üblicherweise wird die Steigung der Gewindespindel vergleichsweise klein gewählt sein, um eine Feineinstellung der Lage der eingefahrenen Endposition zu ermöglichen. Ein Verfahren des Auszugs zwischen der eingefahrenen Endposition und der ausgefahrenen Endposition hingegen kann aufgrund eines entsprechenden Verfahrens der Spindelmutter erfolgen. Insbesondere kann der Elektromotor fest auf dem Auszug angeordnet sein, so dass er bei einem Einstellen der Lage der eingefahrenen Endposition und bei einem Verfahren zwischen der eingefahrenen Endposition und der ausgefahrenen Endposition mit dem Auszug verfahren wird. Selbiges gilt für ein Gehäuse der motorischen Verstelleinheit.According to one embodiment, the motor-driven adjustment unit comprises a threaded spindle, in particular with a threaded rod and a spindle nut, and an electric motor driving the threaded spindle. Such a motorized adjustment unit is easy to implement and allows precise adjustment of the position of the retracted end position of the extension. Typically, the pitch of the threaded spindle will be chosen to be comparatively small in order to enable fine adjustment of the position of the retracted end position. However, a movement of the extension between the retracted end position and the extended end position can take place due to a corresponding movement of the spindle nut. In particular, the electric motor can be arranged firmly on the extension, so that it is moved with the extension when adjusting the position of the retracted end position and when moving between the retracted end position and the extended end position. The same applies to a housing of the motorized adjustment unit.

Vorzugsweise ist der Auszug, insbesondere über ein Gehäuse der motorischen Verstelleinheit, mit der Gewindestange axialfest gekoppelt, so dass bei ortsfest gehaltener Spindelmutter und bei aktiviertem Elektromotor eine axiale Bewegung der Gewindestange und damit des Auszugs erfolgt. Wird also der Elektromotor eingeschaltet, so dass sich die Gewindestange dreht, und wird dabei gleichzeitig die Spindelmutter ortsfest gehalten, resultiert hieraus zwangsweise eine Bewegung der Gewindestange in ihrer axialen Richtung. Da der Auszug mit der Gewindestange axialfest gekoppelt ist, resultiert eine axiale Bewegung der Gewindestange zwangsweise in einer entsprechenden Bewegung des Auszugs.Preferably, the extension is axially fixed to the threaded rod, in particular via a housing of the motor-driven adjustment unit, so that when the spindle nut is held stationary and the electric motor is activated, an axial movement of the threaded rod and thus of the extension takes place. If the electric motor is switched on so that the threaded rod rotates and the spindle nut is held stationary at the same time, this inevitably results in a movement of the threaded rod in its axial direction. Since the extension is axially fixed to the threaded rod, an axial movement of the threaded rod inevitably results in a corresponding movement of the extension.

Dabei kann eine Einfahrsicherung vorgesehen sein, die die axialfeste Kopplung des Auszugs mit der Gewindestange löst, wenn bei einem automatisierten Einfahren von der ausgefahrenen Endposition in die eingefahrene Endposition, insbesondere aufgrund eines entsprechenden Verfahrens der Spindelmutter, eine auf den Auszug einwirkende, dem Einfahren entgegenwirkende Kraft ein vorgegebenes Maß überschreitet. Dies kann beispielsweise dann der Fall sein, wenn ein Arm oder eine Hand eines Bedieners bei einem Einfahren des Auszugs versehentlich zwischen dem Auszug und einem Gestell der Etikettiervorrichtung eingeklemmt wird. Durch die Einfahrsicherung können somit Verletzungen des Bedieners zumindest weitgehend vermieden werden.A retraction lock can be provided which releases the axially fixed coupling of the extension with the threaded rod if, during an automated retraction from the extended end position to the retracted end position, in particular due to a corresponding movement of the spindle nut, a force acting on the extension counteracts the retraction a given one measure exceeds. This can be the case, for example, if an operator's arm or hand is accidentally caught between the pull-out and a frame of the labeling device when the pull-out is retracted. The retraction protection means that injuries to the operator can at least largely be avoided.

Die Einfahrsicherung kann auf eine einfache und sichere Weise dadurch realisiert werden, dass die Gewindestange mit dem Elektromotor zwar drehfest, jedoch axialbeweglich gekoppelt ist, wobei die Gewindestange bei Überschreitung des vorgegebenen Maßes, gegen die Kraft einer Feder einen Sicherheitsschalter betätigt. Durch den Sicherheitsschalter kann dann ein automatisiertes Einfahren, insbesondere aufgrund eines weiteren Antriebs, wie er nachstehend näher erläutert ist, abgeschaltet werden.The retraction protection can be implemented in a simple and safe manner in that the threaded rod is coupled to the electric motor in a rotationally fixed but axially movable manner, with the threaded rod actuating a safety switch against the force of a spring when the specified dimension is exceeded. The safety switch can then be used to switch off automated retraction, in particular due to an additional drive, as explained in more detail below.

Wie vorstehend erwähnt, kann die Auszugvorrichtung einen weiteren, insbesondere von einer Steuerungseinrichtung gesteuerten, Antrieb umfassen, um den Auszug zwischen der eingefahrenen Endposition und der ausgefahrenen Endposition automatisiert, d.h. nicht manuell, zu verfahren. Bevorzugt ist der weitere Antrieb als ein Pneumatik- oder Hydraulikzylinder, insbesondere mit einem ortsfest angeordnetem Gehäuse und einem darin axial beweglich angeordneten Kolben, ausgebildet. Der Betriebsdruck des Pneumatikzylinders beträgt dabei bevorzugt maximal 3 bar, insbesondere maximal 2 bar. Bei diesen, vergleichsweise geringen Drücken können Verletzungen des Bedieners durch Einklemmen bei einem Einfahren des Auszugs ebenfalls zumindest weitgehend vermieden werden. Insbesondere kann die vorgenannte Spindelmutter mit dem Kolben axialfest gekoppelt sein, so dass bei aktiviertem weiteren Antrieb eine axiale Bewegung der motorische Verstelleinheit und damit des Auszugs erfolgt. Insbesondere ermöglicht das Vorsehen des weiteren Antriebs ein schnelles Verfahren des Auszugs zwischen der eingefahrenen Endposition und der ausgefahrenen Endposition, wohingegen das Verfahren des Auszugs beim Einstellen der Lage der eingefahrenen Endposition durch die motorische Verstelleinheit, insbesondere durch eine entsprechend geringe Steigung der vorgenannten Gewindespindel, um eine Feineinstellung dieser Lage zu ermöglichen, vergleichsweise langsam erfolgt. Insbesondere erfolgt das Verfahren des Auszugs zwischen der eingefahrenen Endposition und der ausgefahrenen Endposition mit einer höheren Geschwindigkeit als das Verfahren des Auszugs beim Einstellen der Lage der eingefahrenen Endposition. Grundsätzlich ist es auch möglich, dass alternativ oder zusätzlich der Auszug als Handauszug ausgebildet ist, um den Auszug manuell zwischen der eingefahrenen Endposition und der ausgefahrenen Endposition zu verfahren.As mentioned above, the pull-out device can comprise a further drive, in particular controlled by a control device, in order to move the pull-out between the retracted end position and the extended end position in an automated manner, ie not manually. The further drive is preferably designed as a pneumatic or hydraulic cylinder, in particular with a stationary housing and a piston arranged axially movably therein. The operating pressure of the pneumatic cylinder is preferably a maximum of 3 bar, in particular a maximum of 2 bar. At these comparatively low pressures, injuries to the operator due to entrapment when the extension is retracted can also be at least largely avoided. In particular, the aforementioned spindle nut can be axially fixedly coupled to the piston, so that when the further drive is activated, an axial movement of the motorized adjustment unit and thus of the extension takes place. In particular, the provision of the further drive enables a quick movement of the extension between the retracted end position and the extended end position, whereas the movement of the extension when adjusting the position of the retracted end position by the motorized adjustment unit, in particular by a correspondingly small pitch of the aforementioned threaded spindle in order to enable fine adjustment of this position, takes place comparatively slowly. In particular, the movement of the extension between the retracted end position and the extended end position takes place at a higher speed than the movement of the extension when adjusting the position of the retracted end position. In principle, it is also possible that, alternatively or additionally, the extension is designed as a manual extension in order to manually move the extension between the retracted end position and the extended end position.

Darüber hinaus kann eine Ausfahrsicherung vorgesehen sein, die die axialfeste Kopplung der Spindelmutter mit dem Kolben löst, wenn bei einem Ausfahren von der eingefahrenen Endposition in die ausgefahrene Endposition, insbesondere aufgrund eines entsprechenden Verfahrens des Kolbens, eine auf den Auszug einwirkende, dem Ausfahren entgegenwirkende Kraft ein vorgegebenes Maß überschreitet. Dies kann beispielsweise dann der Fall sein, wenn ein Bediener einem Ausfahren des Auszugs im Weg steht. Durch die Ausfahrsicherung können somit Verletzungen des Bedieners zumindest weitgehend vermieden werden.In addition, an extension lock can be provided which releases the axially fixed coupling of the spindle nut with the piston if, when extending from the retracted end position to the extended end position, in particular due to a corresponding movement of the piston, a force acting on the extension counteracts the extension exceeds a specified level. This can be the case, for example, if an operator stands in the way of extending the pull-out. The extension protection means that injuries to the operator can at least largely be avoided.

Die Ausfahrsicherung kann auf eine einfache und sichere Weise dadurch realisiert werden, dass die Kopplung der Spindelmutter mit dem Kolben eine Magnetkopplung zwischen einem Magneten und einem Mitnehmer umfasst, wobei bei Überschreitung des vorgegebenen Maßes die Magnetkopplung löst.The extension protection can be implemented in a simple and safe manner in that the coupling of the spindle nut to the piston comprises a magnetic coupling between a magnet and a driver, whereby the magnetic coupling is released when the predetermined dimension is exceeded.

Insbesondere umfasst das Förderband zwei, insbesondere in Transportrichtung, hintereinander und voneinander beabstandet angeordnete Förderbandabschnitte, so dass zwischen den beiden Förderbandabschnitten ein Spalt ausgebildet ist, durch den die Etiketten von unten auf die Packungen aufbringbar sind. Insbesondere erstreckt sich der Spalt über die gesamte Breite des Förderbands, so dass auch besonders breite Etiketten und/oder an jeder Stelle Etiketten auf die Packungen aufbringbar sind.In particular, the conveyor belt comprises two conveyor belt sections arranged one behind the other and at a distance from one another, particularly in the transport direction, so that a gap is formed between the two conveyor belt sections through which the labels can be applied to the packs from below. In particular, the gap extends over the entire width of the conveyor belt, so that Particularly wide labels and/or labels can also be applied to the packs at any point.

Die Erfindung betrifft ferner eine Wäge-Fördervorrichtung mit wenigstens einem Förderband, einem Wägeband und einer Etikettiervorrichtung, wie sie vorstehend beschrieben ist.The invention further relates to a weighing conveyor device with at least one conveyor belt, a weighing belt and a labeling device, as described above.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen, der weiteren Beschreibung und der Zeichnung beschrieben.Further advantageous embodiments of the invention are described in the dependent claims, the further description and the drawing.

Die Erfindung wird im Folgenden beispielhaft unter Bezugnahme auf die Zeichnung beschrieben. Es zeigen,

Fig. 1
eine perspektivische Ansicht einer Wäge-Fördervorrichtung mit einer Etikettiervorrichtung mit einer Auszugvorrichtung gemäß dem Stand der Technik,
Fig. 2
die Auszugvorrichtung aus Fig. 1 in einer perspektivischen Ansicht,
Fig. 3
eine erfindungsgemäße Etikettiervorrichtung, die eine Auszugvorrichtung mit einem Auszug, einem Elektromotorantrieb und einem Pneumatikzylinder, und einen auf dem Auszug angeordneten Etikettierer für die Packungsunterseite umfasst,
Fig. 4a, b
die Auszugvorrichtung aus Fig. 3 in zwei perspektivischen Ansichten,
Fig. 5
die Auszugvorrichtung aus Fig. 3 in einer Ansicht von oben,
Fig. 6a
eine Detail-Ansicht des Elektromotorantriebs und des Pneumatikzylinders, wobei Gehäuseteile des Elektromotorantriebs weggelassen wurden, und
Fig. 6b
die Darstellung gemäß Fig. 6, wobei zusätzlich der Pneumatikzylinder weggelassen wurde.
The invention is described below by way of example with reference to the drawing. Show it,
Fig. 1
a perspective view of a weighing conveyor device with a labeling device with a pull-out device according to the prior art,
Fig. 2
the pull-out device Fig. 1 in a perspective view,
Fig. 3
a labeling device according to the invention, which comprises a pull-out device with a pull-out, an electric motor drive and a pneumatic cylinder, and a labeler arranged on the pull-out for the bottom of the pack,
Fig. 4a, b
the pull-out device Fig. 3 in two perspective views,
Fig. 5
the pull-out device Fig. 3 in a view from above,
Fig. 6a
a detailed view of the electric motor drive and the pneumatic cylinder, with housing parts of the electric motor drive omitted, and
Fig. 6b
according to the representation Fig. 6 , whereby the pneumatic cylinder was also omitted.

Die in Fig. 1 dargestellte Vorrichtung zeigt eine aus dem eingangs genannten Dokument bekannte Wäge-Fördervorrichtung 11, die ein Zuführband 15, ein Wägeband 17, ein Abführband 19, einen Metalldetektor 23 und eine Etikettiervorrichtung 13 mit ein Förderband mit zwei Förderbandabschnitten 27, 29 umfasst. Das Wägeband 17 ist mit einer unterhalb des Wägebands 17 angeordneten, nicht dargestellten Wägezelle gekoppelt, die dazu ausgelegt ist, das Gewicht einer sich über das Wägeband 17 bewegenden Packung zu bestimmen. Wägeband 17 und Wägezelle bilden eine Wägeplattform, die als Kontrollwaage bzw. Checkweigher oder als Preisauszeichner ausgebildet sein kann. Zu beiden Seiten der drei Transportbänder 15, 17, 19 sind Schmutzabweisbleche 21 vorgesehen.In the Fig. 1 The device shown shows a weighing conveyor device 11 known from the document mentioned at the beginning, which comprises a feed belt 15, a weighing belt 17, a discharge belt 19, a metal detector 23 and a labeling device 13 with a conveyor belt with two conveyor belt sections 27, 29. The weighing belt 17 is coupled to a weighing cell, not shown, which is arranged below the weighing belt 17 and is designed to determine the weight of a package moving over the weighing belt 17. Weighing belt 17 and weighing cell form a weighing platform, which can be designed as a checkweigher or as a price labeller. Dirt deflector plates 21 are provided on both sides of the three conveyor belts 15, 17, 19.

In einem Normalbetrieb der Wäge-Fördervorrichtung 11 werden zu verwiegende Packungen von dem Zuführband 15 an das Wägeband 17 übergeben, dort gewogen und über das Abführband 19 an ein Transportband des Metalldetektors 23 weitertransportiert. Anschließend werden die Packungen von der Etikettiervorrichtung 13 übernommen und mit einem Etikett versehen, das bei einem Preisauszeichner zuvor mit dem von der Wägezelle für die jeweilige Packung ermittelten Gewicht bedruckt wurde. Bei der Etikettiervorrichtung 13 handelt es sich demnach um eine Etikettiervorrichtung einschließlich Drucker. Der Metalldetektor 23 kann auch weggelassen werden, oder anstelle des Metalldetektors 23 oder zusätzlich hierzu kann auch beispielsweise eine Sortiereinrichtung vorgesehen sein. Im Bereich der Etikettiervorrichtung 13 ist in der Ansicht gemäß Fig. 1 an der Rückseite eines Gestells 25 der Wäge-Fördervorrichtung 11 ein Schaltschrank 31 für die Steuerung der Wäge-Fördervorrichtung 11 vorgesehen.In normal operation of the weighing conveyor device 11, packages to be weighed are transferred from the feed belt 15 to the weighing belt 17, weighed there and transported further via the discharge belt 19 to a conveyor belt of the metal detector 23. The packs are then taken over by the labeling device 13 and provided with a label that was previously printed with the weight determined by the weighing cell for the respective pack in a price labeller. The labeling device 13 is therefore a labeling device including a printer. The metal detector 23 can also be omitted, or instead of the metal detector 23 or in addition to this, a sorting device can also be provided, for example. In the area of the labeling device 13 is the view according to Fig. 1 at the back a frame 25 of the weighing conveyor device 11, a control cabinet 31 is provided for controlling the weighing conveyor device 11.

Das Gestell 25 umfasst mehrere Seitenwangen 33, die im Bereich der Förderbänder 15 und 19, des Wägebands 17 und des Metalldetektors 23, d.h. im Bereich eines Wägemoduls und eines Metalldetektormoduls des Gestells 25, über jeweils mehrere als Rundrohre ausgebildete, parallel zueinander verlaufende Längsträger 37 fest miteinander verbunden sind. Die Seitenwangen 33 des Wägemoduls sind jeweils zweiteilig ausgebildet, wobei die beiden jeweiligen Seitenwangenteile über als Vierkantrohre ausgebildete Querträger 39, die an den Innenseiten der Seitenwangenteile vorgesehen sind, miteinander verbunden sind. An die Seitenwangen 33 sind jeweils zwei Standfüße 35 angeschraubt, die unabhängig voneinander höhenverstellbar sind. Durch die Standfüße 35 kann eine Justierung der Höhe des Gestells 25 vorgenommen werden.The frame 25 comprises a plurality of side cheeks 33, which in the area of the conveyor belts 15 and 19, the weighing belt 17 and the metal detector 23, i.e. in the area of a weighing module and a metal detector module of the frame 25, are fixed via several longitudinal supports 37 designed as round tubes and running parallel to one another are connected to each other. The side cheeks 33 of the weighing module are each designed in two parts, with the two respective side cheek parts being connected to one another via cross members 39 designed as square tubes, which are provided on the inside of the side cheek parts. Two feet 35 are screwed onto the side walls 33 and are height-adjustable independently of one another. The height of the frame 25 can be adjusted using the feet 35.

Die Etikettiervorrichtung 13 umfasst einen sogenannten Top-Etikettierer 41 bzw. Etikettierer für die Packungsoberseite, der oberhalb des Förderbands 27, 29 bzw. der Förderbandabschnitte 27, 29 angeordnet ist, um auf dem Förderband 27, 29 transportierte Packungen von oben, d.h. an deren Oberseite, mit einem Etikett zu versehen. Darüber hinaus umfasst die Etikettiervorrichtung 13 einen sogenannten Bottom-Etikettierer 43 bzw. Etikettierer für die Packungsunterseite, der innerhalb des Gestells 25, unterhalb des Förderbands 27, 29 bzw. der Förderbandabschnitte 27, 29 angeordnet ist, um auf dem Förderband 27, 29 transportierte Packungen von unten, d.h. an deren Unterseite, mit einem Etikett zu versehen. Hierzu wird das jeweilige Etikett von dem Bottom-Etikettierer 43 nach oben durch den zwischen dem Förderbandabschnitt 27 und dem Förderbandabschnitt 29 ausgebildeten Spalt hindurch gespendet und auf den Packungen appliziert.The labeling device 13 comprises a so-called top labeler 41 or labeler for the top of the pack, which is arranged above the conveyor belt 27, 29 or the conveyor belt sections 27, 29 in order to transport packs transported on the conveyor belt 27, 29 from above, i.e. on the top side , to be provided with a label. In addition, the labeling device 13 includes a so-called bottom labeler 43 or labeler for the underside of the pack, which is arranged within the frame 25, below the conveyor belt 27, 29 or the conveyor belt sections 27, 29, for packs transported on the conveyor belt 27, 29 from below, i.e. on the underside, with a label. For this purpose, the respective label is dispensed from the bottom labeller 43 upwards through the gap formed between the conveyor belt section 27 and the conveyor belt section 29 and applied to the packs.

Um eine einfache Zugänglichkeit zu dem Bottom-Etikettierer 43 zu gewährleisten, beispielsweise für einen Etikettenrollenwechsel oder eine Wartung, ist eine in Fig. 2 im Detail gezeigte Auszugvorrichtung 45 für den Bottom-Etikettierer 43 vorgesehen, um den Bottom-Etikettierer 43 aus der wenig zugänglichen Betriebsposition unterhalb des Förderbands 27, 29 herauszuziehen. Der Bottom-Etikettierer 43 steht dabei zusätzlich auf einem Drehteller 47 der Auszugvorrichtung 45. Hierdurch ist es möglich, den Bottom-Etikettierer 43 um die Vertikale zu schwenken, um Arbeiten, insbesondere Wartungsarbeiten, am Bottom-Etikettierer 43 weiter zu erleichtern.In order to ensure easy access to the bottom labeler 43, for example for a label roll change or maintenance, an in Fig. 2 Extractor device 45 shown in detail is provided for the bottom labeler 43 in order to pull the bottom labeler 43 out of the inaccessible operating position below the conveyor belt 27, 29. The bottom labeler 43 also stands on a turntable 47 of the pull-out device 45. This makes it possible to pivot the bottom labeler 43 about the vertical in order to further facilitate work, in particular maintenance work, on the bottom labeler 43.

Die Auszugvorrichtung 45 umfasst einen plattenförmigen Auszug 49, der über eine Auszugführung 51 linear verfahrbar zwischen der einer eingefahrenen Endposition, wie sie in den Fig. 1 und 2 dargestellt ist, und einer nicht dargestellten ausgefahrenen Endposition an einem stationären Auszugträger 53, der fest mit dem Gestell 25 verbunden ist, gelagert ist. Der Auszugträger 53 weist zwei L-förmige Querträger 55 auf, deren kürzerer Schenkel jeweils in der Vertikalen und deren längerer Schenkel jeweils in der Horizontalen orientiert sind. Die beiden Querträger 55 sind zu den beiden Seiten der Auszugvorrichtung 45 angeordnet. Darüber hinaus weist der Auszugträger 53 zwei Längsträger 57 auf, durch die die beiden Querträger 55 fest miteinander verbunden sind.The pull-out device 45 comprises a plate-shaped pull-out 49, which can be moved linearly via a pull-out guide 51 between a retracted end position, as shown in FIG Fig. 1 and 2 is shown, and is mounted in an extended end position, not shown, on a stationary pull-out support 53, which is firmly connected to the frame 25. The extension beam 53 has two L-shaped cross beams 55, the shorter legs of which are oriented vertically and the longer legs are oriented horizontally. The two cross members 55 are arranged on both sides of the pull-out device 45. In addition, the pull-out support 53 has two longitudinal supports 57, through which the two cross supports 55 are firmly connected to one another.

Die Auszugführung 51 ist als Rollenführung ausgebildet. Hierzu sind auf jedem der beiden Querträger 55 oberseitig jeweils zwei Rollen 59 vorgesehen, die in Verfahrrichtung des Auszugs 49 hintereinander angeordnet sind und von denen in Fig. 2 jeweils lediglich die vordere Rolle 59 sichtbar ist. Die Rollen 59 sind jeweils nach Art einer Seilrolle ausgebildet, d.h. ihre Laufflächen sind jeweils mittig mit einer umlaufenden Nut versehen. Die beiden Rollen 59 eines jeweiligen Querträgers 55 wirken mit einer jeweiligen in Verfahrrichtung orientierten Führungsstange 61 zusammen, die über einen jeweiligen Steg 63 jeweils an der Unterseite des Auszugs 49 angebracht ist. Das Zusammenwirken erfolgt dabei derart, dass die jeweilige Führungsstange 61 in die Nuten der beiden jeweiligen Rollen 59 eingreift, so dass die Führungsstange 61 beim Verfahren des Auszugs 49 an den Rollen 59 abrollen kann.The pull-out guide 51 is designed as a roller guide. For this purpose, two rollers 59 are provided on the top side of each of the two cross members 55, which are arranged one behind the other in the direction of travel of the pull-out 49 and of which in Fig. 2 only the front roller 59 is visible. The rollers 59 are each designed in the manner of a rope pulley, ie their running surfaces are each provided with a circumferential groove in the middle. The two rollers 59 of a respective cross member 55 cooperate with a respective guide rod 61 oriented in the direction of travel, which is attached to the underside of the pull-out 49 via a respective web 63. The interaction takes place in such a way that the respective guide rod 61 engages in the grooves of the two respective rollers 59, so that the guide rod 61 can roll on the rollers 59 when the extension 49 is moved.

In Fig. 3 ist eine erfindungsgemäße Etikettiervorrichtung 13 dargestellt, die gegenüber der bekannten Etikettiervorrichtung 13 gemäß den Fig. 1 und 2 weitergebildet und deren Auszugsvorrichtung 45 in den Fig. 4a bis 6b näher erläutert ist, wobei für gleiche Teile gleiche Bezugszeichen wie in den vorangegangenen Fig. 1 und 2 verwendet werden.In Fig. 3 a labeling device 13 according to the invention is shown, which is compared to the known labeling device 13 according to Fig. 1 and 2 further developed and their pull-out device 45 in the 4a to 6b is explained in more detail, with the same reference numerals for the same parts as in the previous ones Fig. 1 and 2 be used.

Die erfindungsgemäße Auszugsvorrichtung 45 weist gegenüber der bekannten Auszugsvorrichtung zusätzlich eine motorische Verstelleinheit in Form eines Elektromotorantriebs 65 sowie einen Pneumatikzylinder 67 auf, deren jeweilige Funktion nachstehend näher erläutert wird. Darüber hinaus steht der Bottom-Etikettierer 43 nicht unmittelbar auf dem Drehteller 47, sondern auf einer Schwenkverlängerung 69, die ihrerseits auf dem Drehteller 47 befestigt ist.Compared to the known pull-out device, the pull-out device 45 according to the invention additionally has a motorized adjustment unit in the form of an electric motor drive 65 and a pneumatic cylinder 67, the respective function of which is explained in more detail below. In addition, the bottom labeler 43 does not stand directly on the turntable 47, but on a pivoting extension 69, which in turn is attached to the turntable 47.

Der Elektromotorantrieb 65 ist dafür vorgesehen, die Lage der eingefahrenen Endposition des Auszugs 49 einzustellen. Da durch diese Lage auch die Lage des Bottom-Etikettierers 43 relativ zu dem Förderband 27, 29 bzw. den Förderbandabschnitten 27, 29 vorgegeben ist, ist hierdurch letztlich auch die Etikettenposition an den Packungen vorgegeben. Der Pneumatikzylinder 67 hingegen ist dafür vorgesehen, den Auszug 49 zwischen der eingefahrenen Endposition und der ausgefahrenen Endposition zu verfahren.The electric motor drive 65 is intended to adjust the position of the retracted end position of the extension 49. Since this position also predetermines the position of the bottom labeller 43 relative to the conveyor belt 27, 29 or the conveyor belt sections 27, 29, the label position on the packs is ultimately also predetermined. The pneumatic cylinder 67, on the other hand, is intended to move the extension 49 between the retracted end position and the extended end position.

Der Elektromotorantrieb 65 ist auf dem Auszug 49 angeordnet und umfasst eine Gewindespindel 75, die eine Gewindestange 77 und eine Spindelmutter 79 aufweist, und einen Elektromotor 81, der die Gewindespindel 75 bzw. die Gewindestange 77 antreibt. Die Gewindespindel 75 und der Elektromotor 81 sind in einem Gehäuse 71 des Elektromotorantriebs 65 angeordnet, das über zwei Befestigungsbleche 73 an dem Auszug 49 befestigt ist. Wird die Spindelmutter 79 ortsfest gehalten und der Elektromotor 81 aktiviert, bewegt sich die Gewindestange 77 mit dem Elektromotor 81 und dem Gehäuse 71 in axialer Richtung der Gewindestange 77 und damit der Auszug 49 in Verfahrrichtung (einwärts oder auswärts). Hierzu ist die Gewindestange 77 mit dem Gehäuse 71 und damit mit dem Auszug 49 axialfest gekoppelt. Abhängig von der Drehrichtung des Elektromotors 81 bewegt sich der Auszug 49 in ein- oder Ausfahrrichtung. Darüber hinaus kann durch Verfahren der Spindelmutter 79 mittels des Pneumatikzylinders 67 der Auszug 49 zwischen der eingefahrenen Endposition und der ausgefahrenen Endposition verfahren werden.The electric motor drive 65 is arranged on the extension 49 and includes a threaded spindle 75, which has a threaded rod 77 and a spindle nut 79, and an electric motor 81, which drives the threaded spindle 75 or the threaded rod 77. The threaded spindle 75 and the electric motor 81 are arranged in a housing 71 of the electric motor drive 65, which is attached to the extract 49 via two fastening plates 73. The spindle nut 79 becomes stationary held and the electric motor 81 is activated, the threaded rod 77 moves with the electric motor 81 and the housing 71 in the axial direction of the threaded rod 77 and thus the extension 49 in the direction of travel (inwards or outwards). For this purpose, the threaded rod 77 is axially fixed to the housing 71 and thus to the extension 49. Depending on the direction of rotation of the electric motor 81, the extension 49 moves in the retracting or extending direction. In addition, by moving the spindle nut 79 using the pneumatic cylinder 67, the extension 49 can be moved between the retracted end position and the extended end position.

Der Elektromotorantrieb 65 wird durch eine nicht dargestellte Steuerungseinrichtung gesteuert, die insbesondere in dem Schaltschrank 31 angeordnet sein kann. Über die Steuerungseinrichtung kann erreicht werden, dass die aufzubringenden Etiketten an einer gewünschten Position, beispielsweise mittig, an den einlaufenden Packungen appliziert werden. Insbesondere sind in einer nicht dargestellten Datenbank für verschiedene Etiketten und/oder Packungen, die sich in ihrer Breite, d.h. insbesondere in ihrer Abmessung senkrecht zur Transportrichtung, voneinander unterscheiden, jeweilige Spendepositionen hinterlegt. Bei Kenntnis, welche Packungen mit welchen Etiketten versehen werden sollen, kann die Steuerungseinrichtung dann die entsprechende Spendeposition auswählen und die Lage des Auszugs 49 entsprechend einstellen.The electric motor drive 65 is controlled by a control device, not shown, which can be arranged in particular in the control cabinet 31. The control device can be used to ensure that the labels to be applied are applied to the incoming packs at a desired position, for example in the middle. In particular, respective donation positions are stored in a database (not shown) for various labels and/or packages that differ from one another in their width, i.e. in particular in their dimensions perpendicular to the transport direction. If it is known which packages should be provided with which labels, the control device can then select the corresponding dispensing position and adjust the position of the extract 49 accordingly.

Der Pneumatikzylinder 67 ist über zwei Befestigungsbleche 83 an der hinteren Seitenwange 33 ortsfest befestigt. Der Pneumatikzylinder 67 umfasst ein Gehäuse 85 und einen darin axial beweglich angeordneten, nicht dargestellten Kolben, an dem eine mit einem Ende aus dem Gehäuse 85 herausstehende Kolbenstange 87 befestigt ist. Der Pneumatikzylinder 67 ist in der dargestellten Ausführungsform als einfachwirkender Zylinder ausgebildet, der über eine Druckluftversorgung 89 mit Druckluft betreibbar ist, so dass die Kolbenstange 87 in axialer Richtung hin- und her bewegt werden kann. Die Kolbenstange 87 ist über ein Verbindungselement 91 und einen Mitnehmer 93, der sich durch einen an der Unterseite des Gehäuses 71 des Elektromotorantriebs 65 ausgebildeten Schlitz 95 hindurch erstreckt, mit der Spindelmutter 79 axialfest gekoppelt, so dass durch Betätigung des Pneumatikzylinders 67 der Auszug 49 zwischen der eingefahrenen Endposition und der ausgefahrenen Endposition verfahren werden kann, wie es bereits vorstehend erwähnt wurde.The pneumatic cylinder 67 is fixed in place on the rear side cheek 33 via two fastening plates 83. The pneumatic cylinder 67 comprises a housing 85 and an axially movable piston (not shown) arranged therein, to which a piston rod 87 protruding from the housing 85 with one end is attached. In the embodiment shown, the pneumatic cylinder 67 is designed as a single-acting cylinder that can be operated with compressed air via a compressed air supply 89, so that the piston rod 87 can be moved back and forth in the axial direction. The piston rod 87 has a connecting element 91 and a driver 93, which extends through a slot 95 formed on the underside of the housing 71 of the electric motor drive 65, axially fixedly coupled to the spindle nut 79, so that the extension 49 can be moved between the retracted end position and the extended end position by actuating the pneumatic cylinder 67 can be done as already mentioned above.

Darüber hinaus ist eine Ausfahrsicherung 97 in Form einer lösbaren Magnetkopplung vorgesehen, durch die beim Ausfahren des Auszugs 49 aus der eingefahrenen Endposition in die ausgefahrene Endposition die axialfeste Kopplung zwischen dem Verbindungselement 91 und damit dem Kolben bzw. der Kolbenstange 87 einerseits und dem Mitnehmer 93 und letztlich dem Auszug 49 andererseits gelöst werden kann, falls der Auszug 49 gegen einen Bediener fährt. Hierdurch können Verletzungen vermieden werden. Die Magnetkopplung 97 weist hierzu einen Permanentmagneten 99 auf, der den Mitnehmer 93 magnetisch an- und beim Ausfahren mitzieht, wobei die magnetische Anziehung abreißt, wenn der Auszug 49 auf ein Hindernis trifft. Alternativ oder zusätzlich kann als eine Sicherheitseinrichtung auch vorgesehen sein, dass der Betriebsdruck des Pneumatikzylinders 67 vergleichsweise gering gewählt wird, z.B. 1,5 bar, so dass durch den Pneumatikzylinder 67 lediglich eine vergleichsweise geringe Kraft ausgeübt wird.In addition, an extension lock 97 is provided in the form of a releasable magnetic coupling, through which the axially fixed coupling between the connecting element 91 and thus the piston or the piston rod 87 on the one hand and the driver 93 and ultimately the extract 49 can be solved on the other hand if the extract 49 moves against an operator. This can prevent injuries. For this purpose, the magnetic coupling 97 has a permanent magnet 99, which magnetically attracts the driver 93 and pulls it along when it is extended, with the magnetic attraction breaking off when the extension 49 hits an obstacle. Alternatively or additionally, it can also be provided as a safety device that the operating pressure of the pneumatic cylinder 67 is chosen to be comparatively low, for example 1.5 bar, so that only a comparatively small force is exerted by the pneumatic cylinder 67.

Ferner ist auch eine Einfahrsicherung 101 vorgesehen, um beim Einfahren des Auszugs 49 ein Einklemmen und damit eine Verletzung eines Bedieners zu vermeiden. Die Einfahrsicherung 101 umfasst, dass die Gewindestange 77 mit dem Elektromotor 81 axialbeweglich gekoppelt ist und die Gewindestange 77 gegen die Kraft einer Schraubenfeder 103 und durch eine Öffnung in einer inneren Wand des Gehäuses 71 hindurch einen Sicherheitsschalter 105 betätigen kann. Zum Einfahren des Auszugs 49 wird die Kolbenstange 87 in das Gehäuse 85 des Pneumatikzylinders 67 zurückgezogen. Hierbei drückt das Verbindungselement 91 gegen den Mitnehmer 93, so dass der Auszug 49 unter Vermittlung der Spindelmutter 79, der Gewindestange 77 und des Gehäuses 71 in die eingefahrene Endposition verfahren wird. Stößt der Auszug 49 dabei auf ein Hindernis, wird die axiale Kopplung zwischen der Gewindestange 77 und dem Gehäuse 71 gelöst. Hierbei fährt die Spindelmutter 79 weiter ein, wobei die Bewegung des Auszugs 49 und damit des Gehäuses 71 jedoch blockiert ist, woraus (bei gleichzeitiger Drehbewegung) eine axiale Bewegung der Gewindestange 77 in Ausfahrrichtung resultiert, wodurch der Sicherheitsschalter 105 betätigt wird, so dass der Pneumatikzylinder 67 entsprechend deaktiviert werden kann.Furthermore, a retraction safety device 101 is also provided in order to avoid jamming and thus injury to an operator when the extension 49 is retracted. The retraction safety device 101 includes that the threaded rod 77 is axially movably coupled to the electric motor 81 and the threaded rod 77 can actuate a safety switch 105 against the force of a coil spring 103 and through an opening in an inner wall of the housing 71. To retract the extension 49, the piston rod 87 is retracted into the housing 85 of the pneumatic cylinder 67. Here, the connecting element 91 presses against the driver 93, so that the extension 49 moves through the spindle nut 79, the threaded rod 77 and the housing 71 are moved into the retracted end position. If the extension 49 encounters an obstacle, the axial coupling between the threaded rod 77 and the housing 71 is released. Here, the spindle nut 79 continues to retract, but the movement of the extension 49 and thus of the housing 71 is blocked, which results in an axial movement of the threaded rod 77 in the extension direction (with a simultaneous rotational movement), whereby the safety switch 105 is actuated, so that the pneumatic cylinder 67 can be deactivated accordingly.

BezugszeichenlisteReference symbol list

1111
Wäge-FördervorrichtungWeighing conveyor device
1313
EtikettiervorrichtungLabeling device
1515
Zuführbandfeed belt
1717
WägebandWeighing belt
1919
Abführbandlaxative tape
2121
SchmutzabweisblechDirt deflector plate
2323
MetalldetektorMetal detector
2525
Gestellframe
2727
Förderbandabschnittconveyor belt section
2929
Förderbandabschnittconveyor belt section
3131
Schaltschrankswitch cabinet
3333
Seitenwangeside cheek
3535
StandfußStand
3737
LängsträgerLongitudinal beam
3939
QuerträgerCross beam
4141
Top-EtikettiererTop labellers
4343
Bottom-EtikettiererBottom labeler
4545
AuszugvorrichtungPull-out device
4747
DrehtellerTurntable
4949
Auszugabstract
5151
AuszugführungExcerpt guide
5353
Auszugträgerpull-out carrier
5555
QuerträgerCross beam
5757
LängsträgerLongitudinal beam
5959
Rollerole
6161
FührungsstangeGuide rod
6363
Stegweb
6565
ElektromotorantriebElectric motor drive
6767
PneumatikzylinderPneumatic cylinder
6969
SchwenkverlängerungSwivel extension
7171
GehäuseHousing
7373
BefestigungsblechFastening plate
7575
Gewindespindelthreaded spindle
7777
GewindestangeThreaded rod
7979
Spindelmutterspindle nut
8181
ElektromotorElectric motor
8383
BefestigungsblechFastening plate
8585
GehäuseHousing
8787
KolbenstangePiston rod
8989
DruckluftversorgungCompressed air supply
9191
Verbindungselementconnecting element
9393
Mitnehmertaker
9595
Schlitzslot
9797
AusfahrsicherungExit protection
9999
PermanentmagnetPermanent magnet
101101
EinfahrsicherungEntry protection
103103
SchraubenfederCoil spring
105105
SicherheitsschalterSafety switch
107107
Spaltgap

Claims (13)

  1. A labeling apparatus (13) having a conveyor belt (27, 29) for transporting packages, having a labeler (43) to apply labels to the packages from below, and having a pullout apparatus (45) which comprises a pullout (49) which is supported via a pullout guide (51) at a stationary pullout carrier (53) and which is linearly travelable relative thereto between a retracted end position and an extended end position, wherein the labeler (43) is positioned on the pullout (49), and wherein the pullout apparatus (45) is configured such that the location of the retracted end position of the pullout (49) is adjustable, characterized in that
    the pullout apparatus (45) comprises a motor-driven adjustment unit (65) to set the location of the retracted end position of the pullout (49);
    in that a control device is provided which is configured to control the motor-driven adjustment unit (65) of the pullout apparatus (45) such that the location of the retracted end position of the pullout (49) relative to the conveyor belt (27, 29) is set in dependence on a predefined dispensing position of the labels to be applied; and
    in that a storage device is provided in which a plurality of dispensing positions for labels and/or packages of different dimensions, in particular widths, are stored, with the control unit being adapted to select the predefined dispensing position from the stored dispensing positions.
  2. A labeling apparatus according to claim 1,
    characterized in that
    the motor-driven adjustment unit (65) comprises a threaded spindle (75), which in particular has a threaded rod (77) and a spindle nut (79), and an electric motor (81) driving the threaded spindle (75), with a traveling of the pullout (49) between the retracted end position and the extended end position preferably taking place on the basis of a corresponding traveling of the spindle nut (79).
  3. A labeling apparatus according to claim 2,
    characterized in that
    the pullout (49) is axially fixedly coupled to the threaded rod (77), in particular via a housing (71) of the motor-driven adjustment unit (65), such that an axial movement of the threaded rod (77) and thus of the pullout (49) takes place with a fixedly held spindle nut (79) and with an activated electric motor (81).
  4. A labeling apparatus according to claim 3,
    characterized in that
    a security against retraction (101) is provided which releases the axially fixed coupling of the pullout (49) to the threaded rod (77) when a force acting on the pullout (49) and acting against the retraction exceeds a predefined amount on an automated retraction from the extended end position into the retracted end position, in particular due to a corresponding traveling of the spindle nut (79).
  5. A labeling apparatus according to claim 4,
    characterized in that
    the security against retraction (101) comprises the threaded rod (77) admittedly being rotationally fixedly coupled to the electric motor (81), but being axially movable, with the threaded rod (77) actuating a safety switch (105) against the force of a spring (103) on an exceeding of the predefined amount.
  6. A labeling apparatus according to at least one of the preceding claims,
    characterized in that
    the pullout apparatus (45) comprises a further drive (67) to travel the pullout (49) in an automated manner between the retracted end position and the extended end position.
  7. A labeling apparatus according to claim 6,
    characterized in that
    the further drive (67) is formed as a pneumatic cylinder or as a hydraulic cylinder, in particular having a fixedly arranged housing (85) and a piston arranged axially movably therein.
  8. A labeling apparatus according to claim 7,
    characterized in that
    the operating pressure of the pneumatic cylinder (67) amounts to a maximum of 3 bar, in particular to a maximum of 2 bar.
  9. A labeling apparatus according to claim 7 or 8,
    characterized in that
    a spindle nut (79) of a threaded spindle (75) of the motor-driven adjustment unit (65) is axially fixedly coupled to the piston so that an axial movement of the motor-driven adjustment unit (65) and thus of the pullout (49) takes place with an activated further drive (67).
  10. A labeling apparatus according to claim 9,
    characterized in that
    a security against extension (97) is provided which releases the axially fixed coupling of the spindle nut (79) to the piston when a force acting on the pullout (49) and acting against the extension exceeds a predefined amount on an extension from the retracted end position into the extended end position, in particular on the basis of a corresponding traveling of the piston.
  11. A labeling apparatus according to claim 10,
    characterized in that
    the security against extension (97) comprises the coupling of the spindle nut (79) to the piston comprising a magnetic coupling between a magnet (99) and an entrainer (93), with the magnetic coupling releasing on an exceeding of the predefined amount.
  12. A labeling apparatus according to at least one of the preceding claims,
    characterized in that
    the conveyor belt (27, 29) comprises two conveyor belt sections (27, 29) arranged behind one another and spaced apart from one another such that a gap (107) through which the labels can be applied to the packages from below is formed between the two conveyor belt sections (27, 29).
  13. A weighing conveying apparatus (11) comprising at least one conveyor belt (15, 17); a weighing belt (19); and a labeling apparatus (13) according to any one of the preceding claims.
EP21191686.1A 2018-03-21 2018-03-21 Labelling device Active EP3950517B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21191686.1A EP3950517B1 (en) 2018-03-21 2018-03-21 Labelling device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21191686.1A EP3950517B1 (en) 2018-03-21 2018-03-21 Labelling device
EP18163141.7A EP3543155B1 (en) 2018-03-21 2018-03-21 Labelling device

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP18163141.7A Division EP3543155B1 (en) 2018-03-21 2018-03-21 Labelling device
EP18163141.7A Division-Into EP3543155B1 (en) 2018-03-21 2018-03-21 Labelling device

Publications (2)

Publication Number Publication Date
EP3950517A1 EP3950517A1 (en) 2022-02-09
EP3950517B1 true EP3950517B1 (en) 2023-12-20

Family

ID=61749938

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18163141.7A Active EP3543155B1 (en) 2018-03-21 2018-03-21 Labelling device
EP21191686.1A Active EP3950517B1 (en) 2018-03-21 2018-03-21 Labelling device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP18163141.7A Active EP3543155B1 (en) 2018-03-21 2018-03-21 Labelling device

Country Status (2)

Country Link
US (1) US10994885B2 (en)
EP (2) EP3543155B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE446226B (en) * 1980-02-26 1986-08-18 Teraoka Seikosho Kk MEASUREMENT TO MEAN WEIGHT, CALCULATE PRICE AND PERFORM PACKAGING
CA1184402A (en) 1980-04-11 1985-03-26 Sumitomo Metal Industries, Ltd. Ferritic stainless steel having good corrosion resistance
GB9105868D0 (en) * 1991-03-20 1991-05-08 Berkel Ltd Label applying apparatus
DE4135106C2 (en) * 1991-10-24 1993-09-30 Bizerba Werke Kraut Kg Wilh Device for applying multiple labels
DE102013203456A1 (en) 2013-02-28 2014-08-28 Bizerba Gmbh & Co Kg labeling

Also Published As

Publication number Publication date
EP3950517A1 (en) 2022-02-09
EP3543155B1 (en) 2021-09-29
US10994885B2 (en) 2021-05-04
EP3543155A1 (en) 2019-09-25
US20190291912A1 (en) 2019-09-26

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