EP1000858B1 - Proçédé et dispositif pour appliquer et rétracter une housse d'emballage sur un objet - Google Patents

Proçédé et dispositif pour appliquer et rétracter une housse d'emballage sur un objet Download PDF

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Publication number
EP1000858B1
EP1000858B1 EP98121032A EP98121032A EP1000858B1 EP 1000858 B1 EP1000858 B1 EP 1000858B1 EP 98121032 A EP98121032 A EP 98121032A EP 98121032 A EP98121032 A EP 98121032A EP 1000858 B1 EP1000858 B1 EP 1000858B1
Authority
EP
European Patent Office
Prior art keywords
film hood
wrapping
film
article
article according
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.)
Expired - Lifetime
Application number
EP98121032A
Other languages
German (de)
English (en)
Other versions
EP1000858A1 (fr
Inventor
Kurt Lachenmeier
Flemming Thomsen
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.)
Signode Denmark ApS
Original Assignee
Kurt Lachenmeier AS
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 Kurt Lachenmeier AS filed Critical Kurt Lachenmeier AS
Priority to DE59811838T priority Critical patent/DE59811838D1/de
Priority to EP98121032A priority patent/EP1000858B1/fr
Priority to ES98121032T priority patent/ES2222546T3/es
Priority to US09/432,527 priority patent/US6298636B1/en
Publication of EP1000858A1 publication Critical patent/EP1000858A1/fr
Application granted granted Critical
Publication of EP1000858B1 publication Critical patent/EP1000858B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/13—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
    • B65B9/135—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state for palletised loads
    • 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
    • B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
    • B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
    • B65B53/06—Shrinking wrappers, containers, or container covers during or after packaging by heat supplied by gases, e.g. hot-air jets
    • B65B53/066—Mobile frames, hoods, posts or the like

Definitions

  • the invention relates to a method and an apparatus for packaging a Subject according to the preamble of claim 1 or according to the preamble of claim 13.
  • Such a method and a corresponding device are used in particular for packing stacks of goods on a Pallet are arranged and should be transported in any form.
  • the stack of goods is protected from the weather by the film hood and receives increased stability.
  • a film tube is placed in a processing room supplied in the desired length, welded to a film hood and cut off the formed film hood. Then the film hood opened and with grippers of the shrink frame over the object to be packed drawn. In order to shrink the film hood onto the object then the shrink frame, the one the object to be packed in a ring surrounding heater means from the bottom portion of the article moved up again. The heating device is switched on, see above that the film hood with the supply of heat to the object to be packaged is shrunk.
  • the film hood is pulled over shrunk over the object to be packed. This will make the the two process steps of covering and shrinking combined in time, so that the cycle times of the process are shortened and the Performance is increased. Furthermore, the suction of air or there is no need to inflate the film hood while shrinking, because the shrinking takes place while the film hood is pulled over the object becomes. This also enables a particularly uniform and reliable Shrinkage of the film material, which prevents wrinkling.
  • the film hood is by means of a heating device by supplying heat above a gripping device shrunk the item. This enables an effective and consistent Shrinking process, because when shrinking the heating device in a fixed Distance to the gripping device and the film wall can be positioned.
  • Heat is preferably applied to the film hood before it contacts the Has created object so that the pulling of the film hood over the Object runs essentially without contact. This prevents any Damage such as cracks or the like when pulling over the film hood. Furthermore, the Shrink the film hood wrinkle-free onto the object, reducing its mechanical Properties, especially the tear strength improved.
  • the heat supply is at Shrinkage of the film hood controllable, so that objects with irregular Surfaces can be shrunk better.
  • the distance of the film hood to the heating device changes, so that an individual adjustment of the heat supply is required for certain areas is.
  • the film hood is first applied their top side shrunk onto the object and then the heater together with a gripping device that reefs the film hood Condition holds, moved down. This results in a particularly tight fit the film hood on the object.
  • a further increase in performance can be achieved if the film hood is opened by a first gripping device and then to a second gripping device is passed.
  • the second gripping device can then initiate the shrinking process together with the heater while the First gripping device pick up the subsequent film hood and put it in the reefed Can bring condition.
  • the film hood is on the underside of the object sucked inwards and at least partially on the underside of the object shrunk, so that the seat of the film hood is particularly firm becomes.
  • the film hood can bottom area to be welded with a bottom film. This allows also achieve sealed packaging of the item.
  • the film hood can be shrunk onto the heated one Area to be cooled. This enables a particularly large one Heat supply in a short time, since the excess heat is dissipated quickly can.
  • the heater when the film hood is pulled over over the object the heater at a fixed distance above a second movable gripping device for covering the film hood.
  • this makes possible a simultaneous covering of the film hood and shrinking it on the object. It can also be reliable and fast Carry out shrinking because the distance between the film hood and the heating device especially for objects with irregular surfaces, relative is even. This enables wrinkle-free shrinking and deployment a resilient shrunk film hood.
  • the gripping device for covering the film hood on the shrink frame connectable or connected to this. In both cases, the distance of the Gripping device to the heater on the shrink frame quickly and fix in a simple way.
  • the first gripping device has a plurality of suction boxes for opening the film hood, while the second gripping device is connected to the shrink frame can be.
  • the shrink frame has In addition to the heating device, a cooling device with which a rapid cooling of the film hood is achieved after shrinking. This enables an intensive heat supply and a shortening of the timeshrinking process.
  • a heat shield is provided so that the opening of the film hood can take place in a relatively sheltered cooler room and sticking the following slide can be prevented.
  • a stack of goods 1 is on a pallet 2 arranged so that pallet 2 and stack of goods 1 the object to be packed form.
  • the pallet 2 is arranged on a vertically movable lifting table 3, which component e.g. a belt conveyor system and which is on a base part 4 is stored.
  • the object to be packaged is arranged within a frame 5 which the individual components of the device are at least partially suspended.
  • the film to be fed is unwound from a film roll 6 and in shape a film tube 8 via feed rollers 7 to the upper area of the packaging device guided.
  • the upper area of the device forms a processing station 9, in which the film tube 8 to a film hood 20 with the desired length is formed.
  • the following film tube is used for this 8 opened and gripped by means of a first gripping device 10.
  • there gripper fingers 103 are placed in the film tube. Through on the gripping fingers 103 arranged reef rollers 11, the film tube 8 on the gripping fingers 103 funded.
  • the film tube 8 When the film tube 8 has reached the desired length, it is cut off by a cutter 12 and by one below it lying welding device 13 welded together so that a film hood 20 is formed.
  • the first gripping device consists of four suction boxes 100, which are attached to the respective Grasp the corners of the film tube to open it. On one edge of the Suction box, a gripping device 101 is provided with which the corresponding Foil tube edge can be pinched. Then the four Suction boxes 100 each moved on two parallel axes 102 such that the opened film tube essentially the contour of the object to be packaged Has. A detailed description of the opening system is in DE 43 26 827 to find.
  • the first gripping device is preferably corresponding the suction / gripping device disclosed there. However, it is also possible to use other mechanical opening systems.
  • the film hood 20 thus formed essentially the contour of the to be packaged Has taken object, it is to a second gripping device to hand over.
  • the second gripping device has four grippers 16, which on one Shrink frames 15 are arranged.
  • a heat shield 14 is provided which Processing station 9 separates from the shrinking space to the subsequent film hood not to be glued together by rising heat.
  • the heat shield 14 can be formed, for example, by horizontally movable metal plates. Alternatively or additionally, a blower can be used to form an air curtain be used.
  • the second gripping device is up moved to the first gripping device or the first gripping device downwards moved to the second gripping device, the four grippers 16 in the im in the ineffected state of the film hood 20.
  • the first gripping device then moves in and down or folds the gripper arms inside and below to transfer the film hood 20.
  • the first gripping device again to the subsequent hose 8 to the next Form a film hood for the next packaging process.
  • the film hood 20 on the grippers 16 now moves down until the The top of the film hood 20 is arranged somewhat above the stack of goods. Subsequently becomes a heating device 17 in the form of several arranged in a ring Gas burner 17 or other suitable heating devices, such as electric radiators, Infrared heater and / or the like. Ignited or switched on and one Cooling device arranged above the gas burners 17 or the heating device 18 switched on in the form of a cooling air blower.
  • the film hood 20 together with the grippers 16, the shrink frame 15, the heating device 17 and the cooling device 18 moves down.
  • the film hood 20 is pulled over the stack of goods 1 practically without contact and at the same time shrunk onto the stack of goods 1 before contacting the stack of goods 1.
  • the film hood 20 is folded over and under the lower edge of the stack of goods or the pallet shrunk so that the film hood 20 has a tight fit around the stack of goods 1 and the pallet 2.
  • Bottom film 22 may be provided so that the film hood 20 with the bottom film 22nd is welded. This enables a particularly sealed packaging of the Good stack 1.
  • a stack of goods 1 'still to be packed on a pallet becomes the one according to the invention Device transported.
  • the shrink frame 15 is still in the lower area of the stack of goods just packed 1.
  • In the closed position prevents the shrink frame 15 that the still to be packed Item 1 'in the area of the frame 5 and the packaged item 1 can be promoted outside the area of the frame 5. Therefore are the areas of the shrink frame lying in the conveying direction of a conveyor belt 26 15 formed from movable sections 25 which are out of the transport route of the stack of goods 1 and 1 'can be moved.
  • the sections 25 of the shrink frame 15 formed by suitable means to pivot the frame 5 in Release direction of the conveyor belt 26. With sections pivoted upwards 25 can still be packed object 1 'during the movement of the shrink frame 15 up to the next film hood in the Area of the frame 5 of the device moved and placed on the lifting table 3 become. Thereafter, the inventive method described above carried out and the subsequent film hood 20 shrunk onto the stack of goods 1 '. As soon as the shrinking process is finished, the packaged goods stack 1 'moved from the area of the frame 5 to the position 1' ', so that again the following stack of goods can be packed. This procedure shortens the cycle times considerably and thus contributes to the increase in performance of the system.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Claims (21)

  1. Procédé pour emballer un objet, en particulier une pile de marchandises palettisées (1) avec un film rétractable (8, 20), une housse en film (20) étant formée à partir d'un film tubulaire et la housse en film (20) étant saisie, ouverte et déroulée par un dispositif de préhension (10, 11), caractérisé en ce que la housse en film (20) est tirée par-dessus l'objet à emballer et est simultanément rétractée sur l'objet.
  2. Procédé pour emballer un objet selon la revendication 1, caractérisé en ce qu'à l'aide d'un dispositif de chauffage (17) la housse en film (20) est rétractée sur l'objet par un apport de chaleur au-dessus d'un dispositif de préhension (16).
  3. Procédé pour emballer un objet selon la revendication 1 ou 2, caractérisé en ce que la housse en film (20) est soumise à la chaleur avant qu'elle ne soit appuyée sur l'objet.
  4. Procédé pour emballer un objet selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'apport de chaleur peut être commandé lors de la rétractation de la housse en film (20).
  5. Procédé pour emballer un objet selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la housse en film (20) est ouverte par un premier dispositif de préhension (10, 11) et est ensuite remise à un deuxième dispositif de préhension (16).
  6. Procédé pour emballer un objet selon la revendication 5, caractérisé en ce qu'avec le dispositif de chauffage (17) a lieu d'abord la rétractation du côté supérieur de la housse en film (20) sur l'objet et en ce qu'ensuite le dispositif de chauffage (17) et le deuxième dispositif de préhension (16), qui maintient la housse en film (20) dans l'état déroulé, sont déplacés ensemble vers le bas.
  7. Procédé pour emballer un objet selon l'une quelconque des revendications 1 à 6, caractérisé en ce que sur le côté inférieur de l'objet la housse en film (20) est aspirée vers l'intérieur et est au moins partiellement rétractée sur le côté inférieur de l'objet.
  8. Procédé pour emballer un objet selon l'une quelconque des revendications 1 à 7, caractérisé en ce que dans sa zone inférieure la housse en film (20) est soudée avec un film de fond (22).
  9. Procédé pour emballer un objet selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la housse en film (20) est refroidie dans la zone chauffée et rétractée.
  10. Procédé pour emballer un objet selon l'une quelconque des revendications 1 à 9, caractérisé en ce que lors de l'application de la housse en film (20) le deuxième dispositif de préhension (16) et le dispositif de chauffage (17) sont déplacés ensemble.
  11. Procédé pour emballer un objet selon l'une quelconque des revendications 1 à 9, caractérisé en ce que l'objet à recouvrir par la housse en film (20) est déplacé dans la housse en film.
  12. Procédé pour emballer un objet selon l'une quelconque des revendications précédentes, caractérisé en ce que le cadre de rétractation (15) comprend des sections mobiles (25) qui, après l'opération de rétractation, sont déplacées hors de la zone de transport de la pile de marchandises emballée (1) et d'une pile de marchandises suivante (1') et en ce que les piles de marchandises (1, 1') sont déplacés plus loin vers le haut pendant le déplacement du cadre de rétractation (15).
  13. Dispositif pour emballer un objet, en particulier une pile de marchandises (1) disposée sur une palette (2), avec un film rétractable (8, 20), avec :
    un dispositif d'alimentation (6, 7) pour amener un film tubulaire (8) à une station de travail (10, 11, 12, 13) ;
    une première station de travail (10, 11, 12, 13) pour former une housse en film (20) ;
    un premier dispositif de préhension (10, 11) pour ouvrir la housse en film (20) ;
    un cadre de rétractation mobile (15) avec un dispositif de chauffage (17) pour rétracter la housse en film (20) sur l'objet à emballer,
    caractérisé en ce qu'un deuxième dispositif de préhension mobile (16) accouplé au cadre de rétractation (15) est prévu pour appliquer la housse en film (20) sur l'objet, de sorte que le dispositif de chauffage (17) disposé au-dessus du deuxième dispositif de préhension mobile (16) et pouvant être commandé assure la rétractation du film lors de l'application.
  14. Dispositif pour emballer un objet selon la revendication 13, caractérisé en ce que, pour appliquer la housse en film (20), le deuxième dispositif de préhension (16) peut être accouplé au cadre de rétraction (15).
  15. Dispositif pour emballer un objet selon la revendication 13 ou 14, caractérisé en ce que, pour appliquer la housse en film (20), le deuxième dispositif de préhension (16) est relié au cadre de rétraction (15).
  16. Dispositif pour emballer un objet selon l'une quelconque des revendications 13 à 15, caractérisé en ce que, pour ouvrir la housse en film (20), le premier dispositif de préhension (10, 11) comprend quatre bras de préhension (103) qui sont disposés en forme de rectangle et quatre caissons d'aspiration (100).
  17. Dispositif pour emballer un objet selon l'une quelconque des revendications 13 à 16, caractérisé en ce que, pour appliquer la housse en film (20), le deuxième dispositif de préhension (16) comprend quatre doigts de préhension disposés en forme de rectangle (16) qui peuvent être déplacés dans la housse en film ouverte (20) pour reprendre la housse en film déroulée.
  18. Dispositif pour emballer un objet selon l'une quelconque des revendications 13 à 17, caractérisé en ce qu'au-dessus du dispositif de chauffage (17) le cadre de rétractation (15) comprend un dispositif de refroidissement (18) pour refroidir la housse en film (20)).
  19. Dispositif pour emballer un objet selon l'une quelconque des revendications 13 à 18, caractérisé en ce que l'objet à emballer est disposé sur une table élévatrice (3), dans la zone de laquelle est prévue une soufflerie d'aspiration.
  20. Dispositif pour emballer un objet selon l'une quelconque des revendications 13 à 19, caractérisé en ce que le cadre de rétractation (15) comprend au moins une section mobile (25) se trouvant dans la direction de transport de la pile de marchandises (1).
  21. Dispositif pour emballer un objet selon la revendication 20, caractérisé en ce que le cadre de rétractation (15) comprend sur deux côtés opposés respectivement deux sections mobiles (25) qui peuvent être pivotés hors du trajet de transport de la pile de marchandises (1, 1').
EP98121032A 1998-11-05 1998-11-05 Proçédé et dispositif pour appliquer et rétracter une housse d'emballage sur un objet Expired - Lifetime EP1000858B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE59811838T DE59811838D1 (de) 1998-11-05 1998-11-05 Verfahren und Vorrichtung zum Anbringen und Schrumpfen einer Verpackungshaube auf einem Gegenstand
EP98121032A EP1000858B1 (fr) 1998-11-05 1998-11-05 Proçédé et dispositif pour appliquer et rétracter une housse d'emballage sur un objet
ES98121032T ES2222546T3 (es) 1998-11-05 1998-11-05 Procedimiento y dispositivo para la fijacion y contraccion de una caperuza de embalaje sobre un objeto.
US09/432,527 US6298636B1 (en) 1998-11-05 1999-11-03 Method and apparatus for packaging an object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98121032A EP1000858B1 (fr) 1998-11-05 1998-11-05 Proçédé et dispositif pour appliquer et rétracter une housse d'emballage sur un objet

Publications (2)

Publication Number Publication Date
EP1000858A1 EP1000858A1 (fr) 2000-05-17
EP1000858B1 true EP1000858B1 (fr) 2004-08-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121032A Expired - Lifetime EP1000858B1 (fr) 1998-11-05 1998-11-05 Proçédé et dispositif pour appliquer et rétracter une housse d'emballage sur un objet

Country Status (4)

Country Link
US (1) US6298636B1 (fr)
EP (1) EP1000858B1 (fr)
DE (1) DE59811838D1 (fr)
ES (1) ES2222546T3 (fr)

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EP1843066A1 (fr) 2006-03-18 2007-10-10 PFEIFFER CHEMIE-ARMATURENBAU GmbH Système de remplissage dosé du matière visqueuse

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DE102011075451B4 (de) * 2011-05-06 2014-05-08 Illinois Tool Works Inc. Verfahren und Vorrichtung zum Aufreffen eines Schlauchfolienabschnitts auf die Refffinger einer Verpackungsanlage
FI124180B (fi) 2011-09-30 2014-04-15 Illinois Tool Works Menetelmä käärintäkoneen kuljetustilaan saattamiseksi sekä käärintäkone
KR20130089035A (ko) * 2012-02-01 2013-08-09 삼성전자주식회사 수축 포장 시스템
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FI125411B (en) 2013-10-31 2015-10-15 Signode Internat Ip Holdings Llc Method and fasteners for securing the end of a wrapping film web to a packaging machine and packaging machine
DE102014106365B4 (de) 2014-05-07 2017-06-14 Lachenmeier Aps Verpackungsverfahren zum Verpacken eines Gutes
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DE102015101489A1 (de) * 2015-02-02 2016-08-04 Signode Industrial Group Llc Verpackungsvorrichtung und Verfahren zum Betrieb derselben
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DK3147226T3 (da) * 2015-09-23 2018-10-15 Msk Verpackung Syst Gmbh Fremgangsmåde til dannelse af et frirum i en emballage, der består af krympefolie, og som sikrer en godsstabel på en palle, såvel som en formeindretning til realisering af fremgangsmåden
DE102016212436B4 (de) * 2016-07-07 2018-07-26 Signode Industrial Group Llc Verpackungsverfahren und Haubenstretchanlage
ES2873648T3 (es) * 2017-03-28 2021-11-03 Msk Verpackung Syst Gmbh Procedimiento para la creación de al menos un espacio libre en una envoltura consistente en una película estirable que asegura una pila de productos dispuestas sobre un palé, y dispositivo de conformación para llevar a cabo el procedimiento
CN115402590A (zh) * 2022-07-29 2022-11-29 江苏兴业汽车饰件有限公司 具有尺寸扫描和计算功能的汽车部件表面封膜设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1843066A1 (fr) 2006-03-18 2007-10-10 PFEIFFER CHEMIE-ARMATURENBAU GmbH Système de remplissage dosé du matière visqueuse

Also Published As

Publication number Publication date
DE59811838D1 (de) 2004-09-23
US6298636B1 (en) 2001-10-09
ES2222546T3 (es) 2005-02-01
EP1000858A1 (fr) 2000-05-17

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