EP4245513A1 - Système de désempilage de cartons - Google Patents

Système de désempilage de cartons Download PDF

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Publication number
EP4245513A1
EP4245513A1 EP22212099.0A EP22212099A EP4245513A1 EP 4245513 A1 EP4245513 A1 EP 4245513A1 EP 22212099 A EP22212099 A EP 22212099A EP 4245513 A1 EP4245513 A1 EP 4245513A1
Authority
EP
European Patent Office
Prior art keywords
die
trough
cardboard
blanks
cardboard blank
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.)
Pending
Application number
EP22212099.0A
Other languages
German (de)
English (en)
Inventor
Dominik Patz
Philipp ADERMANN
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.)
Multivac Sepp Haggenmueller GmbH and Co KG
Original Assignee
Multivac Sepp Haggenmueller GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Multivac Sepp Haggenmueller GmbH and Co KG filed Critical Multivac Sepp Haggenmueller GmbH and Co KG
Publication of EP4245513A1 publication Critical patent/EP4245513A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/06—Feeding sheets or blanks from stacks
    • B31B50/062—Feeding sheets or blanks from stacks from the underside of a magazine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/04—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of mechanical pressure
    • B65B47/06—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of mechanical pressure using folding dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/07—Feeding sheets or blanks by air pressure or suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/59—Shaping sheet material under pressure
    • B31B50/592—Shaping sheet material under pressure using punches or dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/10—Shape of rigid or semi-rigid containers having a cross section of varying size or shape, e.g. conical or pyramidal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/30—Shape of rigid or semi-rigid containers having a polygonal cross section
    • B31B2110/35—Shape of rigid or semi-rigid containers having a polygonal cross section rectangular, e.g. square

Definitions

  • the present invention relates to a system for unstacking cardboard blanks according to claim 1, a thermoforming packaging machine or tray sealing machine comprising a system for unstacking cardboard blanks according to claim 9, a method for unstacking cardboard blanks according to claim 10.
  • thermoforming packaging machine From the DE 10 2017 121 438 A1 a thermoforming packaging machine is known. From the DE 10 2012 001 817 A1 a tray sealing machine is known.
  • the object of the invention is to provide an improved system for unstacking cardboard blanks and a method for unstacking cardboard blanks. This task is solved by the features of claims 1 and 10.
  • the system according to the invention for unstacking cardboard blanks comprises a stacking magazine for receiving a stack of cardboard blanks, the stacking magazine having a retention system, at least a first die comprising a first trough for shaping the cardboard blanks, and a transport device with at least one gripping unit for gripping and moving of cardboard blanks, wherein the transport device is configured to grab at least one cardboard blank from the stack, transport the cardboard blank into the first trough and shape the cardboard blank while applying a force.
  • This system makes it possible to separate the cardboard blanks from a stack of cardboard blanks in a work station and to give them a specific (especially 3-dimensional, erect) shape.
  • “shaping” or “shaping” means an at least partial and at least sectional erection of a cardboard blank.
  • the retaining system can have holding plates which are vertically formed in relation to side stacking magazine supports in order to hold the cardboard blanks in the stacking magazine.
  • the first die can be attached below the stacking magazine.
  • the die can have at least one suction unit, whereby the cardboard blank formed in the die remains fixed in the trough of the die until it is transferred further.
  • the matrix can have several, for example two to four, suction units.
  • the transport unit can have several, for example two to four, gripping units.
  • the die can have several troughs arranged next to one another.
  • the die can be integrated into a transport system.
  • the conveyor belt can be a feed belt with projecting mold plates.
  • the transport device is configured to grab the cardboard blank by suction and pull it into the first trough.
  • the gripping units of the transport device can have at least one suction unit.
  • the first die preferably has at least one first through-opening, wherein the transport device is configured to move a section of the gripping unit through the first through-opening.
  • the cardboard blanks can be transported in a substantially vertical movement path between a stacking position in the stacking magazine and a depositing position in the first trough of the die.
  • the first die can, for example, have 2 to 4 through openings.
  • the transport device is configured to exert pressure on the cardboard blank from above and to press the cardboard blank into the first trough.
  • the transport device can have a robot arm to grab the cardboard blanks individually, turn them over and push them into the first trough.
  • the robot arm may include a suction unit to grasp the cardboard blanks.
  • the system has a second die for shaping cardboard blanks, the second die comprising an opening, the transport device being configured to transport the cardboard blank from the stack through the second die into the first trough.
  • the transport device being configured to transport the cardboard blank from the stack through the second die into the first trough.
  • This allows the cardboard blanks to be preformed first through the second trough and the preformed cardboard blanks can be pulled further into the first trough to obtain their final shape.
  • This two-stage shaping simplifies and improves alignment of the side walls of the cardboard blanks.
  • the second die can have several, for example two to four, through openings.
  • the second die is preferably arranged below the stacking magazine. It is also possible to arrange the second die above the stacking magazine.
  • an upper opening width of the second die is larger than an upper opening width of the first trough.
  • the upper opening width can correspond to a distance between two side supports of the stacking magazine for holding flat cardboard blanks. It is also possible for a lower opening width of the second die to be smaller than the upper opening width of the first trough in order to more easily accommodate a cardboard blank preformed in the second die into the first trough.
  • the first trough has a first bottom surface and side walls, the side walls of the first trough having a first angle of inclination relative to the first bottom surface, the second die having inclined side walls, the inclined side walls of the second die having a second angle of inclination that is smaller than is the first angle of inclination.
  • the cardboard blanks are first set up laterally in the second die, which simplifies the later introduction of these pre-shaped cardboard blanks into the first trough and makes the final shaping easier.
  • the invention further relates to a thermoforming packaging machine comprising a system for unstacking cardboard blanks according to one of the variants described above.
  • the thermoforming packaging machine can be intended for the production of packaging with folded cardboard blanks, which are lined on the inside with a film in order to be able to package foodstuffs in a gas-tight and long-lasting manner.
  • the system for unstacking cardboard blanks can be arranged in front of the forming station of the thermoforming packaging machine.
  • the cardboard blanks formed or folded in the system for unstacking cardboard blanks can be manually inserted into a transport system or feed belt, whereby the transport system brings the shaped cardboard blanks to the forming station in order to be inserted manually or automatically into the lower parts of the molding tool.
  • the shaped or folded cardboard blanks can be fixed directly in a transport system or feed belt of the thermoforming packaging machine, with the transport system bringing the shaped cardboard blanks to the forming station in order to be inserted manually or automatically into the lower mold parts.
  • the transport system of the thermoforming packaging machine can be designed uniformly with the first die of the system for unstacking cardboard blanks, i.e. the first die can be part of the transport system of the thermoforming packaging machine.
  • the invention further relates to a tray sealing machine comprising the system for unstacking cardboard blanks according to one of the variants described above.
  • the tray sealing machine can be equipped with a sealing device.
  • the sealing device can comprise a rigid upper tool part which maintains its position during the sealing process.
  • the sealing device can also include a movable shell holder which is intended to hold a shell.
  • the tray, comprising a product can be guided into the sealing device by a conveyor belt. In a predetermined position in the sealing device, the shell can be gripped by the shell holder and moved upwards against the upper part of the tool.
  • the tray can be closed with a cover film, which is passed through the sealing device.
  • the trays can be cardboard blanks.
  • the system for unstacking cardboard blanks of the tray sealing machine can be arranged in front of the tray receiving station.
  • the shaped or Folded cardboard blanks can be fixed directly in a transport system or feed belt, with the transport system feeding the shaped cardboard blanks to the tray receiving station.
  • the invention further relates to a method for unstacking cardboard blanks, comprising the following method steps: receiving a stack of cardboard blanks in a stacking magazine, the stacking magazine having a retention system, providing at least a first die, comprising a first trough for shaping cardboard blanks,
  • a transport device with at least one gripping unit, transporting the cardboard blank by means of the transport device from the stack into the first trough, shaping the cardboard blank in the first trough while exerting a force on the cardboard blank by means of the transport device.
  • This system makes it possible to separate and shape the cardboard blanks from a stack of cardboard blanks in a work station. It is also possible to separate the cardboard blanks from a stack of cardboard blanks in a work station and to give them a specific shape and to fix them in a transport system of a packaging machine, for example a thermoforming packaging machine or a tray sealing machine.
  • the cardboard blank is sucked in from below by the gripping unit and pulled into the first trough.
  • This allows the cardboard blanks to be transported in a vertical movement path between a stacking position in the stacking magazine and a depositing position in the first trough of the die.
  • the first die can have a first through opening.
  • a section of the gripping unit can be moved through the first through opening.
  • the gripping units of the transport device can have at least one suction unit.
  • pressure is exerted on the cardboard blank from above by the gripping unit and the cardboard blank is pressed into the first trough.
  • the transport device can have a robot arm to grab the cardboard blanks individually, turn them over and push them into the first trough.
  • the robot arm can include a suction unit.
  • the cardboard blank is transported from the stack first into a second die and then into the first trough of the first die.
  • This allows the cardboard blanks to be first preformed by the second die (ie, partially erected) and the preformed cardboard blanks to be drawn further into the first trough to obtain their fully erected final shape.
  • This two-stage shaping simplifies and improves the straightening of the side walls of the cardboard blanks.
  • a section of the gripping unit can be moved through a through opening.
  • the second die is preferably arranged below the stacking magazine. It is also possible to arrange the second die above the stacking magazine.
  • an upper opening width of the second die is larger than an upper opening width of the first trough.
  • the upper opening width can correspond to a distance between two side supports of the stacking magazine for holding flat cardboard blanks. It is also possible for the lower opening width of the second die to be smaller than the upper opening width of the first trough in order to more easily accommodate a cardboard blank preformed in the second die into the first trough.
  • the stacking magazine 3 has lateral vertical supports 8 for holding a stack 7 of cardboard blanks 2.
  • the supports 8 extend from a base frame 9 of a restraint system 10 of the system 1.
  • the base frame 9 has essentially horizontal holding elements 11 in order to hold the cardboard blanks 2 in the stacking magazine 3.
  • the holding elements 11 partially cover the cardboard blanks 2 from below.
  • the transport device 6 is attached to the base frame 9 of the stacking magazine 3.
  • the transport device 6 has a substantially horizontal plate 12, which can move back and forth along a first vertical axis 14 by a lifting device 13 of the transport device 6.
  • a first gripping unit 15 and a second gripping unit 16 are attached to the plate 12.
  • the gripping units 15, 16 include suction cups (not shown) which are connected to a vacuum pump (not shown) through a first tube 17.
  • the first die 4 includes a first trough 18 for shaping (i.e. erecting) the cardboard blanks 2.
  • a first through opening 19 and a second through opening 20 are provided in the first die 4.
  • the first and second through openings 19, 20 extend along a depth 21 of the first die 4.
  • a section 22 of a first gripping unit 15 of the transport device 6 is movable through the first through opening 19 and a section 22 'of a second gripping unit 16 of the transport device 6 through the second through opening 20 movable.
  • the second die 5 is attached to the base frame 9.
  • Fig. 2 shows a schematic partial view of the first die 4 and the second die 5.
  • the first die 4 has an upper opening width 24, side walls 25 and a bottom surface 26.
  • the side walls 25 of the first trough 18 have a first angle of inclination 27 relative to the first bottom surface 26.
  • the second die 5 comprises an opening 23 with an upper opening width 24 'and a lower opening width 28.
  • the second die 5 comprises inclined side walls 25' and straight side walls 29, the inclined side walls 25' having a second inclination angle 30 relative to the lower opening width 28 .
  • the upper opening width 24 'of the second die 5 is larger than the upper opening width 24 of the first trough 18.
  • the lower opening width 28 of the second die 5 is smaller than the upper opening width 24 of the first trough 18.
  • the second inclination angle 30 is smaller than the first Tilt angle 27.
  • Fig. 3 shows a schematic side view of the system 1.
  • the section 22 of the first gripping unit 15 is passed through the first through opening 19 of the first die 4 and the section 22 ' the second gripping unit 16 moves through the second through opening 20 of the first die 4.
  • the lowest cardboard blank 2 in the stacking magazine 3 is gripped from below by suction.
  • This cardboard blank 2 is drawn into the opening 23 of the second die 5 and preformed (ie partially erected) by the side walls 25 'of the second die 5.
  • the cardboard blank 2 is shown in its preformed state 31 in the opening 23 of the second die 5.
  • Fig. 4 shows a schematic side view of the system 1.
  • the one in the Figure 3 The cardboard blank 2 shown, preformed in the opening 23 of the second die 5, is inserted into the first trough 18 drawn into the first die 4 and formed here in a final shape 32, for example in a shell shape.
  • the first die 4 further comprises a first suction cup opening 33 with a first suction cup 34 and a second suction cup opening 35 with a second suction cup 36, which is connected to a vacuum unit, not shown.
  • this cardboard blank 2 lies against a bottom surface 26 of the first trough 18, this cardboard blank 2 is fixed there by means of the first suction cups 34 and second suction cups 36 and the vacuum of the gripping units 15, 16 is switched off.
  • the cardboard blanks 2 formed or folded or erected in the first trough 18 will remain fixed in the first die 4 until another handover.
  • Fig. 5 shows schematically a thermoforming packaging machine 37 comprising the system 1 for unstacking cardboard blanks 2 with the features stated above.
  • the deep-drawing packaging machine 37 has a forming station 38, a sealing station 39 and a cutting station 40, which are arranged in this order in a working direction R on a machine frame 41.
  • the cardboard blanks 2 formed in the system 1 are each individually removed from the first die 4 by means of a manipulator 44 and brought to a feed belt 45 arranged on the thermoforming packaging machine 37 and inserted into the forming station 38, in which a film is formed into the formed cardboard blanks 2 .
  • Fig. 6 shows schematically a tray sealing machine 46 comprising the system 1 for unstacking cardboard blanks 2.
  • the tray sealing machine 46 has a sealing station 47 for sealing trays with a lid film.
  • the sealing station 47 has an upper tool part and a shell holder (not shown).
  • the cardboard blanks 2 formed in the system 1 are each individually removed from the first die 4 by means of a manipulator 48 and brought to a feed belt 49 arranged on the tray sealing machine 46.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Making Paper Articles (AREA)
EP22212099.0A 2022-02-01 2022-12-08 Système de désempilage de cartons Pending EP4245513A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022102305.2A DE102022102305A1 (de) 2022-02-01 2022-02-01 System zum entstapeln von kartonzuschnitten

Publications (1)

Publication Number Publication Date
EP4245513A1 true EP4245513A1 (fr) 2023-09-20

Family

ID=84463205

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22212099.0A Pending EP4245513A1 (fr) 2022-02-01 2022-12-08 Système de désempilage de cartons

Country Status (3)

Country Link
US (1) US20230241856A1 (fr)
EP (1) EP4245513A1 (fr)
DE (1) DE102022102305A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1164220B (de) * 1959-08-17 1964-02-27 Fmc Corp Maschine zum Formen von Schachteln aus zugeschnittenen Bogen
FR2418184A1 (fr) * 1978-02-28 1979-09-21 Socar Procede et dispositif pour la manipulation d'une feuille en materiau rigide ou semi-rigide extraite d'une pile de feuilles
CA2110766A1 (fr) * 1993-12-06 1995-06-07 Roland Zinzius Methode servant a assembler des emballages, et appareil connexe
DE102012001817A1 (de) 2012-01-31 2013-08-01 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine
FR3065711A1 (fr) * 2017-04-28 2018-11-02 Sas Maubrac Machine de formage de cartons
US20190084212A1 (en) * 2017-09-15 2019-03-21 Multivac Sepp Haggenmüller Se & Co. Kg Thermoform packaging machine and method of forming-in a film web into cardboard elements

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1164220B (de) * 1959-08-17 1964-02-27 Fmc Corp Maschine zum Formen von Schachteln aus zugeschnittenen Bogen
FR2418184A1 (fr) * 1978-02-28 1979-09-21 Socar Procede et dispositif pour la manipulation d'une feuille en materiau rigide ou semi-rigide extraite d'une pile de feuilles
CA2110766A1 (fr) * 1993-12-06 1995-06-07 Roland Zinzius Methode servant a assembler des emballages, et appareil connexe
DE102012001817A1 (de) 2012-01-31 2013-08-01 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine
FR3065711A1 (fr) * 2017-04-28 2018-11-02 Sas Maubrac Machine de formage de cartons
US20190084212A1 (en) * 2017-09-15 2019-03-21 Multivac Sepp Haggenmüller Se & Co. Kg Thermoform packaging machine and method of forming-in a film web into cardboard elements
DE102017121438A1 (de) 2017-09-15 2019-03-21 Multivac Sepp Haggenmüller Se & Co. Kg Tiefziehverpackungsmaschine und Verfahren zum Formen einer Folienbahn in Kartonelemente

Also Published As

Publication number Publication date
US20230241856A1 (en) 2023-08-03
DE102022102305A1 (de) 2023-08-03

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