EP1714874A1 - Procédé pour dérouler un film dans une machine d'empaquetage ainsi qu'une machine d'empaquetage - Google Patents

Procédé pour dérouler un film dans une machine d'empaquetage ainsi qu'une machine d'empaquetage Download PDF

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Publication number
EP1714874A1
EP1714874A1 EP06005492A EP06005492A EP1714874A1 EP 1714874 A1 EP1714874 A1 EP 1714874A1 EP 06005492 A EP06005492 A EP 06005492A EP 06005492 A EP06005492 A EP 06005492A EP 1714874 A1 EP1714874 A1 EP 1714874A1
Authority
EP
European Patent Office
Prior art keywords
web material
workstation
processed
packaging machine
storage device
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.)
Withdrawn
Application number
EP06005492A
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German (de)
English (en)
Inventor
Johann Natterer
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 EP1714874A1 publication Critical patent/EP1714874A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/162—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by feeding web material to securing means
    • B65B7/164—Securing by heat-sealing

Definitions

  • the present invention relates to a method of unrolling web material in a batch intermittent packaging machine and to a packaging machine.
  • packaging machines which are formed as shown schematically in Fig. 5 and in which web material 6, such as a plastic film or a thin metal foil is unrolled from a supply roll 1 and then a workstation 3 is supplied.
  • workstations for example, sealing stations in which the web material 6 is thermally sealed with other components, or cutting stations are known in which parts of the web material 6, for example, are cut out by means of a punch.
  • work stations 3 are formed as combined sealing and cutting stations in which the web material 6 is sealed onto containers 8 and subsequently the sealed areas are cut out of the web material.
  • a lattice-shaped frame 6 'of the web material which has a low stability and must be removed again. The removal is usually carried out to a pickup roller 5, on which the frame-shaped residual web material 6 'is rolled up so that it can be disposed of or recycled.
  • containers 8 are fed via a feed conveyor belt 9 to the sealing and cutting station 3 and sealed therein with the top film 6 and then cut free. After the work station 3, the sealed containers 8 'are transported on with a conveyor belt 12.
  • Such packaging machines operate in a cyclic intermittent manner, in one step with the active (closed) workstation, the processing of the web material and in another step with inactive (open) workstation feeding the web material to be processed from the supply roll to the workstation and the Discharge of processed web material is done from the workstation.
  • the workstation stands still for a long time in the inactive open state, since the unrolling of the web material from the supply roll must on the one hand be carried out very carefully, since as web material e.g. Plastic films are only 25 microns thick, and on the other hand weighs the supply roll up to 100 kg, so that large mass accelerations are required for rolling. Even when rolling up the processed web material, large mass accelerations are required.
  • Effective utilization of a workstation requires that it be available for at least 75-90% of the time for its actual tasks and that it is inactive for only 10 to a maximum of 25% of the time.
  • the standstill of the workstation in the inactive state due to the web transport means that during this time no processing can take place, so that the processing speed is limited by the supply of the web material.
  • it is difficult to control the process in the packaging machine such that the web material is quickly transported to the workstation and out of the workstation and the web material is kept taut and not subjected to such severe stresses that cause the web material to rupture.
  • a packaging machine which operates intermittently in cycles and has a printer for printing a film web, as well as several workstations such as a sealing station.
  • two rollers form a linear accumulator located in front of and behind the printer for further advancing a portion of the film web in the printing device incrementally at a faster rate during standstill of the film web outside the printer device in a main press cycle.
  • the film web is unrolled from a supply roll when the printer is inactive, ie not working, and when the sealing station is not operating in the main machine cycle.
  • the workstations stand still for the duration of the unrolling of the film web.
  • a packaging machine in which a linear memory for receiving a portion of a web material is provided in front of and behind a marking or punching station, respectively, which is intermittently operated, the two memories being coupled together.
  • a continuous movement of the web material in front of the work station is converted to a clocked movement and returned to a continuous one after the workstation.
  • the packaging machine has the disadvantage that adjusting the length of a web section to be transported further in one cycle can only take place via the transport speed of the continuous web feed and removal, and the working speed of the workstation, which also have to be coordinated.
  • this document also does not show the rolling of web material from a supply or feed roll.
  • the object is achieved by a method according to claim 1.
  • the object is also achieved by a packaging machine according to claim 9.
  • the unrolling of the web material from the feed roll and the rolling up of processed web material are decoupled from the web transport into and out of a work station.
  • This allows web transport into and out of the workstation to be done very quickly since no large mass accelerations are required to move the web material from the first memory into the workstation and out of the workstation into the first memory.
  • the time-consuming unrolling of web material and reeling of processed web material requiring high mass accelerations occurs during the time the workstation is closed and operating.
  • the unrolling of the web material to be processed from the supply roll and the reeling of the processed web material onto the discharge reel may take place separately from each other during the time when the work station is closed. This can also be done in easy way, the decreasing mass of the supply roll and the increasing mass of the discharge roller are considered in the rolling and rolling.
  • the packaging machine has a supply roll 1 for web material 6 to be processed, a first storage device 2, a workstation 3, a second storage device 4, and a processed web discharge device 6 ' ,
  • the work station 3 is a cutting station in which 6 areas are cut out of the web material to be processed, so that the processed web material 6 'is a frame-like or lattice-like web material.
  • the sheet material 6 to be processed is e.g. around a thin plastic film.
  • the discharge device 5 is also formed as a roll on which the processed sheet material 6 'is rolled up.
  • the first storage device is formed by three rollers arranged parallel to one another, wherein two rollers 20 and 21 are fixedly attached to a machine frame and a variable roller 22 is displaceably arranged in the vertical direction.
  • the web material 6 to be processed extends from the feed roller 1 over the first stationary roller 20, forming a loop over the variable roller 22 and then over the second stationary roller 21. After the second stationary roller 21, the web material 6 to be processed continues to run over one On the input side of the workstation 3 arranged stationary deflection roller 30 to the workstation 3.
  • the processed web material 6 'extends from the workstation 3 via a fixed deflection roller 31 arranged on the output side of the workstation 3 to the second storage device 4.
  • the second storage device 4 is similar to the first storage device 3 formed by three parallel rollers, wherein two rollers 40 and 41 are fixedly fixed to a machine frame and a variable roller 42 is provided in the vertical direction slidably below the two stationary rollers 40 and 41.
  • the processed web material 6 ' extends from the stationary roller 31 of the work station 3 via the stationary roller 40, forming a loop over the variable roller 42 and then on the stationary roller 41. From the stationary roller 41, the processed web material 6' extends to the Discharge device 5.
  • variable roller 22 of the first storage device 2 and the variable roller 42 of the second storage device 4 are mechanically coupled to one another via a chain strand 7 fastened to the machine frame.
  • the chain strand 7 extends in the embodiment shown in FIGS. 1 to 4 via four deflection rollers 70, 70a, of which the deflection roller 70a can be set in rotation by means of a drive 71.
  • the variable roller 22 and the variable roller 42 are fixed to the chain strand 7 and guided in a rear wall of the machine frame in elongated recesses 23 and 43, respectively.
  • variable roller 42 of the second memory device 4 With this coupling, as shown in Fig. 2, with a movement of the chain strand 7 in the clockwise direction, the variable roller 42 of the second memory device 4 downwardly moved away from the stationary rollers 40 and 41 and thus located in the second memory device 4 loop of machined web material 6 'enlarged.
  • variable roller 22 of the first storage device 2 becomes vertical toward the fixed ones Rolls 20 and 21 to move and thus reduces the loop formed in the first memory device 2 of web material 6 to be processed.
  • the loop in the first storage device 2 is thereby reduced in size to the same extent in which the loop in the second storage device 4 is enlarged.
  • the feed roller 1 is provided with a drive 10 which can set it in rotation
  • the discharge device 5 is provided with a drive 50 which can set it in rotation.
  • a brake not shown in the drawings is further provided, which can prevent movement of web material 6 in the workstation.
  • the work station 3 is either in an open state shown in Fig. 2 or non-working state, in which no processing of the web material takes place, or in a in Figs. 1, 3 and 4 illustrated closed state or working state in which a Processing of the web material takes place.
  • the work station 3 is in a working state and is located in the first storage device 2 the variable roller 22 in a lower end position, which can be preset via an adjustment device not shown in the drawing, so that a loop is formed to be processed web material 6, in which a certain length of the web material 6 is stored.
  • the variable roller 42 is in an upper end position, so that the loop of the processed web material 6 'in the second storage device 4 has a minimum length.
  • the feed roller 1 and the discharge device 5 are both at rest.
  • the workstation 3 is finished with the processing of the web material 6 and is already in a non-working state.
  • the drive 71 is driven so that the chain strand 7 is moved over a predetermined distance in a clockwise direction, as shown by the arrow 72.
  • the variable roller 22 in the first storage device is moved upward along the arrow 24, so that the loop stored in the first storage device 2 is reduced, and at the same time the variable roller 42 in the second storage device 4 is moved in the direction of Arrow 44 moves downward, so that the stored in the second memory device loop is increased.
  • the feed roller 1 and the discharge device 5 are at rest.
  • variable roller 22 and the variable roller 42 By the coupled movement of the variable roller 22 and the variable roller 42, a predetermined length of web material 6 to be processed is transported from the first storage device 2 in the direction of the arrow 25 to the work station 3, simultaneously processed web material 6 'in the direction of the arrow 32 from the workstation 3 transported away and processed web material 6 'in the direction of arrow 45 in the second storage device 4.
  • the feed roller 1 and the discharge device 5 are at rest, no large mass accelerations are required and the transport can be done at high speed.
  • the transport shown in Fig. 2 takes place until the variable roller 22 of the first storage device 2 is in an upper end position and the variable roller 42 of the second storage device 4 is in a lower end position, as shown in Fig. 3.
  • the work station 3 is closed and enters a working state in which the web material 6 is processed.
  • the unillustrated on the input side of the workstation arranged braking device thereby prevents further movement of the web material takes place in the workstation, and causes the tension acting on the web material when unrolling is decoupled from the web material located in the workstation.
  • the length of the sheet material 6 to be transported during the step described with reference to Fig. 2 can be adjusted.
  • the chain strand 7 is moved via the drive 71 in the direction of the arrow 73 in the counterclockwise direction.
  • the feed roller 1 is set in rotation via the drive 10 and the discharge device 5 is set in rotation via the drive 50.
  • the variable roller 22 of the first storage device 2 is moved downward in the direction of the arrow 26 to the lower end position and web material 6 to be processed simultaneously unrolled from the supply roller 1 and transported along the arrow 11 to the first storage device 2 and stored therein.
  • the variable roller 42 of the second storage device 4 is moved in the direction of the arrow 46 in its upper end position and processed web material 6 'from the second storage device 4 along the arrow 51 to the discharge device 5 is moved and rolled up in this.
  • This step takes place when workstation 3 is working, so that a long period of time is available.
  • the required large mass acceleration for unrolling to be processed web material 6 and rolling up of processed web material 6 ' can thus be done carefully and it can be a coupling between the movement of the variable rollers 22 and 42 and the drives 10 and 50 are realized, the decreasing mass of Feed roller 1 and the discharge device 5 taken into account.
  • the control of the web tension in working workstation 3 can be controlled separately for unrolling and for rolling up. How the control of the web tension can take place, is eg in the US 4,753,059 described.
  • the packaging machine is again in the state shown in Fig. 1. During operation, the steps described are repeated cyclically.
  • This packaging machine has the advantage over the known prior art that the transport of material into the work station 3 and out of the work station 3 is uncoupled from unrolling of web material 6 to be processed and the rolling up of processed web material 6 ', since these steps differ from each other Periods of the working cycle take place.
  • 6 ' is made possible with the workstation 3 open and there are no changes in the tracking of the web material, since only negligible mass acceleration occurs during tracking.
  • the weight of the feed roller and The removal roller is only in the process steps that are performed when working workstation and for which much time is available. With this design, the tension of the web material can be kept substantially constant throughout the process.
  • this packaging machine makes it possible to easily adjust the length of the web material to be transported by adjusting the two end positions of the variable roller of the first storage device.
  • the coupling of the first memory device to the second memory device is realized via a chain strand, but this coupling can also take place mechanically via a lever or electronically via an electronic shaft or via another suitable coupling.
  • the drive of the fast web transport in non-working workstation 3 can also be done on both sides of the workstation 3 arranged friction rollers.
  • a realization by means of the web material laterally engaging chains is also possible, but then the use of web material of different widths is not possible without further adjustments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Replacement Of Web Rolls (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
EP06005492A 2005-04-19 2006-03-17 Procédé pour dérouler un film dans une machine d'empaquetage ainsi qu'une machine d'empaquetage Withdrawn EP1714874A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005018111A DE102005018111A1 (de) 2005-04-19 2005-04-19 Verfahren zum Abrollen von Bahnmaterial in einer Verpackungsmaschine und Verpackungsmaschine

Publications (1)

Publication Number Publication Date
EP1714874A1 true EP1714874A1 (fr) 2006-10-25

Family

ID=36215568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06005492A Withdrawn EP1714874A1 (fr) 2005-04-19 2006-03-17 Procédé pour dérouler un film dans une machine d'empaquetage ainsi qu'une machine d'empaquetage

Country Status (4)

Country Link
US (1) US20060255201A1 (fr)
EP (1) EP1714874A1 (fr)
JP (1) JP2006298486A (fr)
DE (1) DE102005018111A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2557041A1 (fr) * 2011-08-11 2013-02-13 Neven-Lemmens Plastics NV Procédé de production de récipient de conditionnement scellé utilisant une bobine de matériau de plaque de découpe
JP2014206462A (ja) * 2013-04-12 2014-10-30 日立アロカメディカル株式会社 試験管封止装置
EP3626635A3 (fr) * 2018-08-30 2020-07-08 MULTIVAC Sepp Haggenmüller SE & Co. KG Installation d'emballage et procédé de fabrication d'un emballage

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007021517A1 (de) * 2007-02-09 2008-08-14 CFS Bühl GmbH Traysealer mit Doppeltänzer
DE102007041811A1 (de) * 2007-09-03 2009-03-05 Böwe Systec AG Vorrichtung und Verfahren zum Fördern einer Papierbahn
EP3006354A1 (fr) * 2014-10-09 2016-04-13 Nazzareno Mondini Déroulement du film avant la coupe
DE102015211620A1 (de) * 2015-06-23 2016-12-29 Krones Aktiengesellschaft Verpackungsmaschine und Verfahren zur Zuförderung, Bereitstellung und zum Austausch von Rollen mit Verpackungsmaterial in einer solchen Verpackungsmaschine
IT201600076881A1 (it) * 2016-07-21 2018-01-21 Mondini S R L Macchina per la sigillatura di contenitori
DE102018222836A1 (de) * 2018-12-21 2020-06-25 Multivac Sepp Haggenmüller Se & Co. Kg Siegeln von kartonzuschnitten mittels auflage auf transportband

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1089792A (en) 1963-05-07 1967-11-08 Packmark Ltd Method and apparatus for stopping web movement
US4625498A (en) * 1985-03-25 1986-12-02 Sealright Co., Inc. Apparatus for applying recessed membrane seals to containers
US4736568A (en) * 1986-09-29 1988-04-12 Rutherford Research, Inc. Machine for sealing cups
US4753059A (en) 1985-06-07 1988-06-28 Multivac Sepp Haggenmuller Kg Packaging machine comprising printing means
EP0559293A1 (fr) * 1992-03-06 1993-09-08 Shikoku Kakoki Co., Ltd. Dispositif pour sceller des récipients
DE19535535A1 (de) 1995-09-25 1997-03-27 Josef Vonach Einrichtung zum rapportweisen Bedrucken einer Folienbahn
US5802821A (en) * 1996-05-10 1998-09-08 Horn & Noack Pharmatechnik Gmbh Apparatus for applying a cover foil to a bottom foil including a containment structure
EP0903291A2 (fr) * 1997-09-18 1999-03-24 LIEDER MASCHINENBAU GmbH & Co. KG Dispositif et procédé pour sceller des emballages

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792567A (en) * 1971-12-07 1974-02-19 Dixie Packaging Co Inc Heat sealing machine
DE3318995A1 (de) * 1983-05-25 1984-11-29 Multivac Sepp Haggenmüller KG, 8941 Wolfertschwenden Verpackungsmaschine
DE3536177C1 (de) * 1985-10-10 1987-04-16 Illig Maschinenbau Adolf Vorrichtung an einer Verpackungs- oder Thermoformmaschine zum Aufwickeln einer bandfoermigen Restfolie zu einer Rolle
US5182896A (en) * 1991-09-09 1993-02-02 Sweetheart Cup Company Inc. Apparatus and method for heat-sealing a film cover to open ended containers
FR2827835B1 (fr) * 2001-07-26 2003-12-19 Erca Formseal Dispositif pour decouper une rangee d'opercules dans une bande a opercules et les fixer sur une rangee de recipients remplis

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1089792A (en) 1963-05-07 1967-11-08 Packmark Ltd Method and apparatus for stopping web movement
US4625498A (en) * 1985-03-25 1986-12-02 Sealright Co., Inc. Apparatus for applying recessed membrane seals to containers
US4753059A (en) 1985-06-07 1988-06-28 Multivac Sepp Haggenmuller Kg Packaging machine comprising printing means
US4736568A (en) * 1986-09-29 1988-04-12 Rutherford Research, Inc. Machine for sealing cups
EP0559293A1 (fr) * 1992-03-06 1993-09-08 Shikoku Kakoki Co., Ltd. Dispositif pour sceller des récipients
DE19535535A1 (de) 1995-09-25 1997-03-27 Josef Vonach Einrichtung zum rapportweisen Bedrucken einer Folienbahn
US5802821A (en) * 1996-05-10 1998-09-08 Horn & Noack Pharmatechnik Gmbh Apparatus for applying a cover foil to a bottom foil including a containment structure
EP0903291A2 (fr) * 1997-09-18 1999-03-24 LIEDER MASCHINENBAU GmbH & Co. KG Dispositif et procédé pour sceller des emballages

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2557041A1 (fr) * 2011-08-11 2013-02-13 Neven-Lemmens Plastics NV Procédé de production de récipient de conditionnement scellé utilisant une bobine de matériau de plaque de découpe
JP2014206462A (ja) * 2013-04-12 2014-10-30 日立アロカメディカル株式会社 試験管封止装置
EP3626635A3 (fr) * 2018-08-30 2020-07-08 MULTIVAC Sepp Haggenmüller SE & Co. KG Installation d'emballage et procédé de fabrication d'un emballage
US11427363B2 (en) 2018-08-30 2022-08-30 Multiva Sepp Haggenmueller Se & Co. Kg Packaging system and method for producing a packaging

Also Published As

Publication number Publication date
US20060255201A1 (en) 2006-11-16
DE102005018111A1 (de) 2006-11-02
JP2006298486A (ja) 2006-11-02

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