EP4289753A1 - Dispositif permettant de ramener des objets auto-adhésifs sur une bande porteuse - Google Patents

Dispositif permettant de ramener des objets auto-adhésifs sur une bande porteuse Download PDF

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Publication number
EP4289753A1
EP4289753A1 EP22178047.1A EP22178047A EP4289753A1 EP 4289753 A1 EP4289753 A1 EP 4289753A1 EP 22178047 A EP22178047 A EP 22178047A EP 4289753 A1 EP4289753 A1 EP 4289753A1
Authority
EP
European Patent Office
Prior art keywords
self
carrier tape
objects
adhesive
dispensing edge
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
EP22178047.1A
Other languages
German (de)
English (en)
Other versions
EP4289753B1 (fr
Inventor
Jörg Rosenland
Simon Stelzle
Patrick Schlotz
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.)
Harro Hofliger Verpackungsmaschinen GmbH
Original Assignee
Harro Hofliger Verpackungsmaschinen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Harro Hofliger Verpackungsmaschinen GmbH filed Critical Harro Hofliger Verpackungsmaschinen GmbH
Priority to EP22178047.1A priority Critical patent/EP4289753B1/fr
Publication of EP4289753A1 publication Critical patent/EP4289753A1/fr
Application granted granted Critical
Publication of EP4289753B1 publication Critical patent/EP4289753B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B65C9/08—Label feeding
    • B65C9/18—Label feeding from strips, e.g. from rolls
    • B65C9/1865—Label feeding from strips, e.g. from rolls the labels adhering on a backing strip
    • 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
    • B65C2009/402—Controls; Safety devices for detecting properties or defects of labels
    • B65C2009/404—Controls; Safety devices for detecting properties or defects of labels prior to labelling

Definitions

  • the invention relates to a device for returning self-adhesive objects to a carrier tape.
  • Such self-adhesive objects can in particular be labels.
  • Labelers or other web processing systems are used in a variety of machines.
  • objects are transported on a carrier belt and further processed on the carrier belt. These processing steps can, for example, involve labeling the objects or punching or cutting the objects.
  • the objects are usually donated by redirecting the carrier tape using a donation edge.
  • the deflection angle can be selected so that the objects located on the carrier tape cannot follow the deflection and are therefore forced to detach themselves from the carrier tape.
  • the objects released from the carrier tape can then be picked up, for example by means of a transfer roller, and fed to the further processing stations.
  • Such removal of bad parts can be achieved, for example, by a transfer unit.
  • a transfer unit With such a transfer unit, the donated object is first picked up by the transfer unit and then returned to a defined location.
  • a transfer unit can be implemented, for example, by movable stamps through which donated objects are removed from the working area of the donation edge. Alternatively, scrap rolls can also be used, onto which donated objects can be placed directly or transferred and glued using a transfer unit.
  • the self-adhesive objects have an adhesive layer on at least one side, it is necessary to provide the stamps or reject rolls with removable protective elements so that direct contact of the adhesive layer of the self-adhesive objects with the mechanical components of the stamps or reject rolls cannot occur. This leads to additional effort in the operation and operation of the device, especially with regard to cleaning and maintenance of the device. In addition, such devices are not suitable for use in some industrial areas because, for example, the regulations in the pharmaceutical industry make such a process significantly more difficult.
  • the bad parts can also be removed by not removing these bad parts from the carrier belt in the first place.
  • the bad parts that are undesirable for further processing remain on the carrier tape and are thus removed from further processing.
  • the dispensing edge is designed in such a way that the geometry of the web deflection on the dispensing edge can be changed.
  • the dispensing edge can be moved by a motor drive so that the self-adhesive objects are dispensed in a first position.
  • the self-adhesive objects can still follow the dispensing edge of the deflection path of the carrier tape in a second position and are therefore not separated from the carrier tape. Bring such solutions However, this entails an increased space requirement in the area of the dispensing edge.
  • the invention is based on the object of providing an improved device for eliminating defective self-adhesive objects, which can be used as universally as possible.
  • the device according to the invention for returning self-adhesive objects to a carrier tape is given by the features of main claim 1.
  • a method according to the invention for eliminating donated self-adhesive objects is given by the features of independent claim 12.
  • the device according to the invention for returning donated objects to a carrier tape processes a carrier tape on which self-adhesive objects are present.
  • the device has a dispensing edge through which the self-adhesive objects can be removed from the carrier tape.
  • the empty carrier tape is then guided further via at least one deflection roller.
  • a receiving unit over which the empty carrier tape is guided.
  • the receiving unit is at least temporarily positioned in front of the dispensing edge, so that self-adhesive objects dispensed from the dispensing edge can be transferred directly or indirectly to the empty carrier tape.
  • defective self-adhesive objects in particular defective labels, can be hygienically removed even in an aseptic environment. Since the self-adhesive objects must be transferred back to the empty carrier tape the individual components of the device are no longer provided with a protective coating, which would otherwise have to be supplied to the device in a sterile manner.
  • the separated self-adhesive objects are transported further on the empty carrier tape so that they can be removed with the wound up empty carrier tape at the end of production.
  • the eliminated self-adhesive objects are also present individually on the empty carrier tape and could be counted accordingly. Since the dispensing edge does not have to be driven, it is easier to clean and is smaller.
  • a transfer unit can preferably be present, through which the self-adhesive objects dispensed from the dispensing edge can be picked up.
  • This transfer unit can be the same transfer unit that is also used to transport the self-adhesive objects to subsequent processes. Alternatively, an additional transfer unit can also be used, the purpose of which is simply to remove the donated objects.
  • the transfer unit can be controlled in such a way that all objects dispensed from the dispensing edge are initially picked up by the transfer unit.
  • the donated objects are then either handed over to subsequent processes or transferred to the empty conveyor belt in the area of the receiving unit.
  • the transfer unit can also only accommodate those donated objects that are to be handed over to subsequent processes.
  • the remaining donated objects that can be removed can be transferred back onto the empty conveyor belt in the area of the receiving unit immediately after donation.
  • the perfect objects could also be transferred to another processing station in front of the dispensing edge or directly in the area of the dispensing edge. In this case, only those to be ejected are Objects are picked up by the transfer unit and transferred to the empty carrier belt in the area of the pick-up unit.
  • the receiving unit can be moved back and forth between a first position and a second position in a preferred embodiment.
  • the receiving unit can be positioned in its first position in front of the dispensing edge so that self-adhesive objects dispensed from the dispensing edge can be transferred directly or indirectly to the empty carrier tape. If a self-adhesive object is to be removed from the subsequent process steps, the receiving unit can be moved from its second position (rest position) to its first position in the area of the dispensing edge. If the carrier tape is preferred, the self-adhesive object comes off at the dispensing edge and can be returned directly or indirectly to the empty carrier tape during this movement. If no further self-adhesive objects are to be removed from the process, the recording unit can then be returned to its second position (rest position).
  • the self-adhesive objects can be picked up by the transfer unit and then returned to the empty carrier tape when the receiving unit is in its first position.
  • the movement of the receiving unit from the first position to the second position and back again can take place in particular by means of a motor or pneumatic drive.
  • the receiving unit can also be designed to be stationary in an alternative embodiment.
  • the self-adhesive objects dispensed from the dispensing edge can first be picked up by the transfer unit.
  • the self-adhesive ones picked up by the transfer unit Objects can then be returned to the empty carrier tape in the area of the recording unit.
  • the transfer unit can be supplied with compressed air at least temporarily. As soon as the transfer unit is supplied with compressed air, the picked-up self-adhesive objects can be returned to the empty carrier tape in the area of the pick-up unit. If, on the other hand, the transfer unit is not subjected to compressed air, the picked-up self-adhesive objects remain on the transfer unit, so that the picked-up self-adhesive objects can be fed to a further processing station.
  • the transfer unit can be subjected to negative pressure at least temporarily in order to hold the recorded self-adhesive objects in the area of the receiving unit on the transfer unit.
  • the transfer unit is subjected to negative pressure, the self-adhesive objects picked up are held on the transfer unit and can therefore be fed to a further processing station. If, on the other hand, the transfer unit is not subjected to negative pressure, the picked-up self-adhesive objects are transferred to the empty carrier tape in the area of the pick-up unit and in this way removed from the further process.
  • the recording unit can be designed, for example, as a recording roller.
  • a pickup roller can be designed as a separate component over which the empty conveyor belt is initially guided. After the empty conveyor belt has been guided over the take-up roll, the empty conveyor belt can then be wound up into a carrier tape roll using a rewinder. Alternatively, the rewinder itself can serve as a take-up roll.
  • the recording unit could also be implemented using other components. For example, it would be possible to realize the recording unit as a contour over which the empty carrier tape is pulled without the contour being set in rotation.
  • the at least one deflection roller can preferably be set in rotation by a motor drive. Since the carrier tape moves evenly over its entire length, the empty area of the carrier tape is also tracked synchronously with the movement of the self-adhesive objects. It is therefore not absolutely necessary to actively drive the rotational movement of a pickup roller in order to enable efficient translation of the self-adhesive objects. Rather, it may be sufficient for the take-up roller to be set in rotation simply by the movement of the empty carrier tape. This simplifies the structural design of the take-up roller. In addition, it would also be possible to design the take-up roll as a standing roll over which the empty carrier tape slides without rotation of the take-up roll.
  • the self-adhesive objects present on a carrier tape are guided over a dispensing edge and detached from the carrier tape at the dispensing edge.
  • the empty carrier belt is guided behind the dispensing edge via at least one deflection roller. After the at least one deflection roller, the empty carrier tape is guided over a receiving unit. In the area of this receiving unit, a self-adhesive object that has been detached from the dispensing edge can be returned to the empty carrier tape.
  • the recording unit can be moved back and forth between a first position and a second position. If the receiving unit is in its first position, a self-adhesive object that has been detached from the dispensing edge can be returned to the empty carrier tape and thus removed from further processing. If the recording unit is on the other hand in their second position, the detached self-adhesive objects are further processed according to the regular processing process and do not go back onto the carrier tape.
  • the objects donated by the dispensing edge can first be picked up by a transfer unit.
  • the self-adhesive objects picked up by the transfer unit can then be returned to the empty carrier tape in the area of the pick-up unit if they are to be removed from the further processing process.
  • the recording unit can be designed to be both stationary and movable.
  • the recording unit can be designed to be both stationary and movable.
  • those self-adhesive objects that have been identified as faultless and should therefore remain in the process could first be picked up by another transfer element.
  • This further transfer element can be arranged in front of the dispensing edge, or directly in the area of the dispensing edge. In this case, only the objects to be removed are passed over the transfer unit and then transferred to the empty conveyor belt in the area of the receiving unit.
  • Such a method can be carried out with both a movable and a stationary design of the recording unit.
  • FIG. 1 and 2 A first embodiment of the device 10 according to the invention is shown in Fig. 1 and 2 shown schematically.
  • the device 10 has an endless roll 20 of a carrier tape 22, which is wound on an unwinder 28.
  • Self-adhesive objects 24 are present on the carrier tape 22 of the endless roll 20.
  • the self-adhesive objects 24 have a certain mutual distance and are designed as labels in the present example.
  • the carrier tape 22 with the self-adhesive objects 24 is unwound from the unwinder 28 and transported in the web running direction 26.
  • the self-adhesive objects 24 can be further processed during transport by processing stations not shown here.
  • the carrier tape 22 is guided over a dispensing edge 30. At this dispensing edge 30, the carrier tape 22 is deflected from the plane of the web at an acute angle. The self-adhesive objects 24 cannot follow this deflection angle, so that they continue within the previous web level and thereby detach themselves from the carrier tape 22.
  • the self-adhesive objects 24 can then be picked up by a transfer unit, not shown here, in order to feed the self-adhesive objects 24 to a further processing station.
  • the self-adhesive objects can also be applied directly to the product without using a transfer unit.
  • the self-adhesive objects 24 can be stuck onto the desired packaging or the desired goods.
  • the self-adhesive object 24 should be removed from the further process before it is stuck to the packaging or goods.
  • the empty carrier tape 22' is returned to the area of the dispensing edge 30 via a deflection roller 32.
  • a counter-roller 34 is present on the deflection roller 32, with the empty carrier tape 22' being guided between the deflection roller 32 and the counter-roller 34.
  • Deflection roller 32 and counter roller 34 can each be set in rotation via their own or a common motor drive, so that the deflection roller 32 and the counter roller 34 serve as a transport device, which also causes the carrier tape 22 to advance.
  • the counter roller 34 can also be dispensed with.
  • a receiving unit designed as a receiving roller 36 is arranged in the web level after the dispensing edge 30.
  • the pickup roller 36 can be pivoted about a pivot axis 38 stored so that the take-up roller 36 is in a first position 40 ( Fig. 1 ) and in a second position 42 ( Fig. 2 ) may be present.
  • the empty carrier tape 22 ' is guided over this pick-up roller 36 and thus returns to the area in front of the dispensing edge 30.
  • the self-adhesive objects 24 dispensed from the dispensing edge 30 can be returned to the empty carrier tape 22' or not.
  • the recording roller 36 is in its in Fig. 1 First position 40 shown, the pickup roller 36 is arranged directly on the dispensing edge 30. In this position of the take-up roll 36, donated self-adhesive objects 24 come into contact with the empty carrier tape 22 'immediately after being detached from the dispensing edge 30 and are transferred back onto this empty carrier tape 22'. In this first position 40 of the take-up roll 36, the donated self-adhesive objects 24 are therefore removed from the subsequent processes.
  • the pickup roller 36 is in its in Fig. 2 shown second position 42, the pickup roller 36 is far enough away from the dispensing edge 30 so that the dispensed self-adhesive objects 24 no longer come into contact with the empty carrier tape 22 '.
  • the donated self-adhesive objects 24 can therefore be picked up by a transfer unit, not shown here, and fed to the further processing stations.
  • the self-adhesive objects can also be applied directly to the product without using a transfer unit.
  • the second position 42 of the pick-up roller 36 is the rest position of the pick-up roller 36. If an imperfect self-adhesive object 24 is detected, the pick-up roller 36 is moved from this rest position 42 into its rest position by a motor or pneumatic drive (not shown here). first position 40 transferred. As soon as one or more of them are not perfect self-adhesive objects 24 have been returned to the empty carrier tape 22 ', the pickup roller 36 is returned to its rest position 42.
  • the empty carrier tape 22 ' is guided over a further deflection roller 44 after the take-up roller and wound up on a rewinder 46.
  • the wound empty carrier tape 22' can be removed from the device 10 after the end of the process.
  • the self-adhesive objects 24 that have been separated out and returned to the carrier tape 22' can also be counted.
  • FIG. 3 A second embodiment of the device 12 according to the invention is shown in Fig. 3 shown schematically.
  • the device 12 has an endless roll 20 of a carrier tape 22, which is wound on an unwinder 28.
  • Self-adhesive objects 24 are present on the carrier tape 22.
  • the self-adhesive objects 24 have a certain mutual distance and are designed as labels in the present example.
  • the carrier tape 22 with the self-adhesive objects 24 is unwound from the unwinder 28 and transported in the web running direction 26.
  • the carrier tape 22 is guided over a dispensing edge 30. At this dispensing edge 30, the carrier tape 22 is deflected from the plane of the web at an acute angle. The self-adhesive objects 24 cannot follow this deflection angle, so that they continue within the previous web level and thereby detach themselves from the carrier tape 22.
  • the self-adhesive objects 24 can then be picked up by a transfer unit 50, which in the present example is designed as a transfer roller. Via the transfer roller 50, the self-adhesive objects 24 can, for example, be fed to another processing station or transferred directly to the product.
  • the self-adhesive object 24 should be removed from the further process before it has been stuck to the packaging or goods.
  • the empty carrier tape 22' is returned to the area of the dispensing edge 30 via a deflection roller 32.
  • a counter-roller 34 is present on the deflection roller 32, with the empty carrier tape 22' being guided between the deflection roller 32 and the counter-roller 34.
  • Deflection roller 32 and counter roller 34 can each be set in rotation via a motor drive, so that the deflection roller 32 and the counter roller 34 serve as a transport device, which also causes the carrier belt 22 to advance.
  • the counter roller 34 could also be dispensed with.
  • a receiving unit designed as a stationary receiving roller 52 is arranged in the web level after the dispensing edge 30.
  • the empty carrier tape 22 ' is guided over this take-up roller 52 and thus returns to the area of the dispensing edge 30.
  • the self-adhesive objects 24 picked up by the transfer roller 50 can in this case either be transferred back to the empty carrier tape 22' or fed to the further processing stations become.
  • the transfer roller 50 can be acted upon, for example, with compressed air and/or negative pressure.
  • the empty carrier tape 22 ' is guided after the take-up roller 52 over a further deflection roller 44 and wound up on a rewinder 46.
  • the wound empty carrier tape 22' can be removed from the device 12 after the end of the process.
  • the self-adhesive objects 24 that have been separated out and returned to the carrier tape 22' can also be counted.
  • the transfer roller 50 or another transfer unit could be according to Fig. 3 also with a pivotable pickup roller 36 according to Fig. 1 and 2 be combined.
  • a transfer roller 50 or another transfer unit according to the embodiment of Fig. 3 only to be used for handing over the self-adhesive objects to subsequent processes.
  • those self-adhesive objects that are to be removed can be dispensed directly from the dispensing edge onto the empty carrier tape 22'.
  • the objects to be ejected could be transferred to the take-up roll in accordance with the design Fig. 1 and 2 take place.
  • the perfect objects could also be transferred to another processing station in front of the dispensing edge or directly in the area of the dispensing edge. In this case, only the objects to be removed are picked up by the transfer unit and transferred to the empty carrier belt in the area of the receiving unit.
  • the self-adhesive objects 24 could also be arranged flush on the carrier tape 22 without any mutual spacing.

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  • Labeling Devices (AREA)
EP22178047.1A 2022-06-09 2022-06-09 Dispositif permettant de ramener des objets auto-adhésifs sur une bande porteuse Active EP4289753B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22178047.1A EP4289753B1 (fr) 2022-06-09 2022-06-09 Dispositif permettant de ramener des objets auto-adhésifs sur une bande porteuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22178047.1A EP4289753B1 (fr) 2022-06-09 2022-06-09 Dispositif permettant de ramener des objets auto-adhésifs sur une bande porteuse

Publications (2)

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EP4289753A1 true EP4289753A1 (fr) 2023-12-13
EP4289753B1 EP4289753B1 (fr) 2024-07-31

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EP22178047.1A Active EP4289753B1 (fr) 2022-06-09 2022-06-09 Dispositif permettant de ramener des objets auto-adhésifs sur une bande porteuse

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5405482A (en) * 1993-11-01 1995-04-11 New Jersey Machine, Inc. Labeling machine
US5730816A (en) * 1995-07-24 1998-03-24 Imtec, Inc. Selective label stripping method and apparatus
US20060144521A1 (en) * 2004-04-07 2006-07-06 Esposito James A Qualitatively selective retractable peel plate for labeling

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5405482A (en) * 1993-11-01 1995-04-11 New Jersey Machine, Inc. Labeling machine
US5730816A (en) * 1995-07-24 1998-03-24 Imtec, Inc. Selective label stripping method and apparatus
US20060144521A1 (en) * 2004-04-07 2006-07-06 Esposito James A Qualitatively selective retractable peel plate for labeling

Also Published As

Publication number Publication date
EP4289753B1 (fr) 2024-07-31

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