EP0250647B1 - Installation pour envelopper une charge d'une housse en feuille de rétraction et pour la rétrécir autour de ladite charge - Google Patents

Installation pour envelopper une charge d'une housse en feuille de rétraction et pour la rétrécir autour de ladite charge Download PDF

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Publication number
EP0250647B1
EP0250647B1 EP86117386A EP86117386A EP0250647B1 EP 0250647 B1 EP0250647 B1 EP 0250647B1 EP 86117386 A EP86117386 A EP 86117386A EP 86117386 A EP86117386 A EP 86117386A EP 0250647 B1 EP0250647 B1 EP 0250647B1
Authority
EP
European Patent Office
Prior art keywords
stack
shrinking
frame
gripping elements
respect
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
Application number
EP86117386A
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German (de)
English (en)
Other versions
EP0250647A1 (fr
EP0250647B2 (fr
Inventor
Richard Birkenfeld
Olaf Dr. Dipl.-Ing. Klüpfel
Manfred Dipl.-Ing. Grünert
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.)
Maschinenfabrik Moellers GmbH
Original Assignee
Maschinenfabrik Moellers 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.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6303680&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0250647(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Maschinenfabrik Moellers GmbH filed Critical Maschinenfabrik Moellers GmbH
Priority to AT86117386T priority Critical patent/ATE46886T1/de
Publication of EP0250647A1 publication Critical patent/EP0250647A1/fr
Publication of EP0250647B1 publication Critical patent/EP0250647B1/fr
Application granted granted Critical
Publication of EP0250647B2 publication Critical patent/EP0250647B2/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
    • B65B53/063—Tunnels

Definitions

  • the invention relates to a device for covering and shrinking a shrink film hood over or to a stack formed from a number of packaging objects with a height-movable frame, on which shrinking devices are arranged in the upper area and gripping elements in the lower area for gripping and pulling down the lower edge of the shrink film , and with a lifting device for the stack, by means of which the stack can be raised by a conveyor which transports it into and out of the device for shrinking the lower edge of the shrink film hood.
  • EP-A 133 462 a device which has a combined hood covering and shrinking device, but in which the hood covering device is arranged spatially separate from the shrinking device, i.e. the shrinking devices and the gripping elements for gripping and covering the shrink film are not arranged on a common height-movable frame.
  • the object of the invention is to provide a solution by means of which a generic combination device can be improved such that the overall height of the combination device can be reduced.
  • this object is achieved according to the invention in that the gripping elements and the shrinking devices are designed to be movable relative to one another in the vertical direction on the vertically movable frame.
  • the shrinking devices and the gripping elements between the stack and the devices located above them take up relatively little space and that in the lower position of the vertically movable frame the gripping elements for covering the lower edge of the shrink film hood can be moved further down from the effective range of the shrinking devices or have been moved before the downward movement of the height-adjustable frame, so that on the one hand the gripping elements can detach from the shrink film hood and the other while Commissioning of the shrinking devices for effecting a good shrinking after prior lifting of the stack by means of the lifting device provided according to the invention are not in the way, the same space for lifting the stack is available, which is required in the lowered position of the stack for securely grasping the lower edge of the shrink film hood by means of the gripping elements arranged on the vertically movable frame.
  • the gripping elements can be raised and lowered within limits by means of at least one pneumatic or hydraulic drive cylinder along corresponding vertical guides on the common frame.
  • the heat shield has two sliding plates which are horizontally displaceable from the laterally inactive position into the abutting shielding position. As can be seen, this means that practically no additional height is required.
  • a stack of goods 3 is arranged within a frame 1 on a carriageway 2.
  • a roller 4 is mounted in the frame, on which a plastic tube made of heat-shrinkable material is wound with gussets.
  • the flat-lying hose 5 is fed via deflection rollers 6 and drive rollers 7 to a pre-spreading device, which consists of guide elements 8 arranged vertically movable in the area of the folded hose edges, below which a separating device 9 and a welding device 10 are arranged.
  • a pre-spreading device which consists of guide elements 8 arranged vertically movable in the area of the folded hose edges, below which a separating device 9 and a welding device 10 are arranged.
  • two roof conveyor-type double conveyor belts 11 are arranged on both sides of the frame 1, the upper receiving ends being located directly below the guide elements 8 in their lowered position.
  • the double conveyor belts 11 are arranged so as to be pivotable about upper reversing wheel axes 19 of the lower conveyor belts, in such a way that the distance between their discharge ends can be changed to adapt to different cross-sectional dimensions of the stack of goods 3.
  • Each double conveyor belt 11 is assigned a pivot lever 12 which is arranged approximately parallel to the assigned double conveyor belt and can be pivoted about a lower fixed point 13 by means of an actuating device 14.
  • endless chains 15 are mounted, to which a frame 16 which is movable by means of the chains 15 is fastened and which in its four corner areas each has a vertical guide 17, along each of which a gripping element 18 by means of a drive cylinder 20 is vertically movable between two stops 21.
  • a circumferential rectangular shrinking burner 22 Arranged above the vertical guides 17 on the frame 16 is a circumferential rectangular shrinking burner 22 which can direct hot gases in the direction of the stack 3 of goods in a manner not shown in any more detail.
  • a heat shield 23 is arranged below the double conveyor belts 11, which essentially consists of two sliding plates 24, which can be moved horizontally from the laterally inactive position according to FIG. 1 to the closed position according to FIG. 2.
  • a lifting device 25 is arranged between the track 2 formed by chain conveyors, by means of which the stack of goods 3 can be moved from the position resting on the track 2 according to FIG. 1 to the raised position according to FIG. 2.
  • the operation of the device is as follows: the hose 5 is opened via the guide elements 8 and the double conveyor belts 11 and after the lower end of the hose has run out of the double conveyor belts 1 a little, the gripping elements 18 which are pivoted inwards are inserted into the hose and moved outwards so that the hose is stretched tight between the gripping elements 18 located at the four corners of the stack of goods, as shown in FIG. 1. Then the double conveyor belts 11 and the transport chains 15 are actuated and the tube is pulled a little bit downwards over the stack of goods 3. Then the guide elements 8 are moved upwards and the welding and separating devices 9 and 10 are actuated.
  • the double conveyor belts 11 are put into operation again and at the same time the pivoting levers 12 are pivoted downward, as a result of which the folded tube edges are pressed or pulled out of the receiving ends of the double conveyor belts.
  • the frame 16 with the gripping elements 17 and the shrinking frame 22 is moved further downward until the stack of goods is completely covered by the hose hood now formed.
  • the material stack 3 is raised by means of the lifting device 25 and the gripping fingers 18 are moved downwards along the vertical guides 17, as shown in FIG. 2, in such a way that the gripping elements 18 are pulled out of the hose , the lower edge 26 of the tubular hood over a piece of the lower end of 3 g utstapels suspended.
  • the two sliding plates 24 of the heat shield 23 are moved together, as shown in FIG. 2, so that when the shrinking torch is subsequently actuated, rising heat does not overlap the section of the hose 5 before being pulled over the stack can unfavorably soften.
  • the shrinking torch 22 is switched on, which in the position according to FIG. 2 is directed so that the lower edge 26 of the hose is blown against the underside of the stack and at the same time shrunk onto it, as shown in dotted lines in FIG. 2.
  • the lifting device 25 is then actuated to lower the stack 3, so that the folded-over lower edge 26 is fixed between the stack and the carriageway 2.
  • the frame 16 is moved upward again, so that the shrinking torch 22 shrinks the side surfaces of the hose 5 onto the stack.
  • the drive cylinder 20 is actuated to move the gripping elements 18 upward, so that the frame is again in the starting position for a new work cycle, as shown in FIG. 1.
  • the gripping devices arranged above the vertically movable frame for opening and holding the hose open during the pulling-over movement of the hose could also be designed differently or be omitted entirely if one can accept the appropriate stacks of material that the hose then pulls over the stack above its upper one Edges grinds.
  • other shrinking devices such as infrared shrinking devices could also be arranged on the vertically movable frame instead of a shrinking burner and the like. More.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Specific Conveyance Elements (AREA)
  • Coating Apparatus (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (5)

1. Installation pour enfiler et rétracter une housse (5) en feuille rétractible, respectivement par dessus ou autour d'une pile (3) formée d'un certain nombre d'objets emballés, présentant un cadre (16) mobile en hauteur, dans les régions respectivement supérieure et inférieure duquel sont respectivement installés des dispositifs de rétraction (22) et des éléments de préhension (18) destinés à saisir et à tirer, vers le bas, le bord inférieur (26) de la feuille rétractible (5), ainsi qu'un dispositif (25) élévateur de la pile (3), au moyen duquel cette pile (3) peut être soulevée à l'écart d'un convoyeur (2) l'introduisant dans l'installation et l'en évacuant, en vue de la rétraction par-dessous du bord inférieur (26) de la housse (5) en feuille rétractible, caractérisée par le fait que les éléments de préhension (18) et les dispositifs de rétraction (22) sont installés, sur le cadre (16) mobile en hauteur, avec faculté de mouvement les uns par rapport aux autres dans le sens vertical.
2. Installation selon la revendication 1, caractérisée par le fait que les éléments de préhension (18) sont réalisés mobiles verticalement par rapport au cadre (16) mobile en hauteur.
3. Installation selon la revendication 2, caractérisée par le fait que les éléments de préhension (18) peuvent être animés de soulèvements et d'abaissements limités sur le cadre commun (16), le long de guides verticaux correspondants (17), au moyen d'au moins un vérin de travail (20) pneumatique ou hydraulique.
4. Installation selon la revendication 1 ou l'une des suivantes, caractérisée par le fait qu'une isolation thermique (23) est interposée entre des dispositifs supérieurs de préhension (11) stationnaires en hauteur, pour ouvrir la housse (5) et la maintenir ouverte lors de l'enfilement au-dessus de la pile (3), et le cadre (16) mobile en hauteur et occupant sa position la plus haute.
5. Installation selon la revendication 4, caractérisée par le fait que l'isolation thermique (23) comprend deux plaques coulissantes (24), auxquelles des coulissements horizontaux peuvent être imprimés d'une position latéralement inactive à une position d'isolation dans laquelle elles butent l'une contre l'autre.
EP86117386A 1986-06-25 1986-12-13 Installation pour envelopper une charge d'une housse en feuille de rétraction et pour la rétrécir autour de ladite charge Expired - Lifetime EP0250647B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86117386T ATE46886T1 (de) 1986-06-25 1986-12-13 Vorrichtung zum ueberziehen und anschrumpfen einer schrumpffolienhaube ueber bzw. an einen stapel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3621297 1986-06-25
DE19863621297 DE3621297A1 (de) 1986-06-25 1986-06-25 Vorrichtung zum ueberziehen und anschrumpfen einer schrumpffolienhaube ueber bzw. an einen stapel.

Publications (3)

Publication Number Publication Date
EP0250647A1 EP0250647A1 (fr) 1988-01-07
EP0250647B1 true EP0250647B1 (fr) 1989-10-04
EP0250647B2 EP0250647B2 (fr) 1995-05-10

Family

ID=6303680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86117386A Expired - Lifetime EP0250647B2 (fr) 1986-06-25 1986-12-13 Installation pour envelopper une charge d'une housse en feuille de rétraction et pour la rétrécir autour de ladite charge

Country Status (7)

Country Link
US (1) US4724658A (fr)
EP (1) EP0250647B2 (fr)
JP (1) JPS6312433A (fr)
AT (1) ATE46886T1 (fr)
DE (2) DE3621297A1 (fr)
ES (1) ES2011447T5 (fr)
SU (1) SU1625328A3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11370569B2 (en) 2019-12-19 2022-06-28 Officina Bocedi S.R.L. Machine for wrapping pallets

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8708145U1 (fr) * 1987-06-06 1987-08-06 Msk-Verpackungs-Systeme Gmbh, 4190 Kleve, De
DE8816085U1 (fr) * 1988-12-24 1989-03-09 Msk-Verpackungs-Systeme Gmbh, 4190 Kleve, De
DE3942391A1 (de) * 1989-12-21 1991-06-27 Lachenmeier Kurt Aps Verfahren und vorrichtung zum verpacken von gegenstaenden mittels einer stretchbaren schlauchfoermigen folie
DE9001321U1 (fr) * 1990-02-06 1990-04-12 Develog, Reiner Hannen & Cie, Corgemont, Ch
DE4032228A1 (de) * 1990-04-03 1991-10-10 Hydraulik Vertrieb Hinners Gmb Vorrichtung zur sicherung von palettierten waren mittels stretchfolienhauben
EP0519116B1 (fr) * 1990-09-13 1995-08-16 DEVELOG, REINER HANNEN & CIE Procédé pour couvrir une pile d'objets avec une coiffe en matière étirable et dispositif pour la mise en oeuvre du procédé
DE9310218U1 (de) * 1993-07-09 1993-09-02 Msk Verpackung Syst Gmbh Vorrichtung zum Schrumpfen einer über einen Gutstapel gezogenen Schrumpfhaube
ES2130024B1 (es) * 1996-01-26 2000-01-16 Mecanizacion Del Transporte Y Dispositivo y procedimiento para retractilar una lamina de plastico sobre mercancias paletizadas.
DE29611616U1 (de) * 1996-07-04 1996-09-05 Huisman Robert Vorrichtung zum Überziehen und Wärmeschrumpfen einer Schrumpffolienhaube über bzw. an Stückgut
DE59807980D1 (de) * 1998-11-05 2003-05-22 Lachenmeier Kurt Aps Verfahren und Vorrichtung zum Schrumpfen einer Folie auf einen Gegenstand
ES2222546T3 (es) * 1998-11-05 2005-02-01 Kurt Lachenmeier A/S Procedimiento y dispositivo para la fijacion y contraccion de una caperuza de embalaje sobre un objeto.
EP1059233A1 (fr) * 1999-04-16 2000-12-13 Kl- Lachenmeier A/S Procédé et dispositif pour emballer des objets dans une housse en feuille
DE19954370A1 (de) * 1999-11-11 2001-05-31 Moellers Maschf Gmbh Verfahren und Vorrichtung zum Umhüllen eines aus einer Anzahl von Verpackungsgegenständen gebildeten Stapels
ES2194656T3 (es) * 2000-08-09 2003-12-01 Lachenmeier As Procedimiento y aparato para empaquetar objetos.
DE10103261A1 (de) * 2001-01-25 2002-08-14 Msk Verpackung Syst Gmbh Verfahren zum Überziehen eines Flachschlauches
ATE391673T1 (de) * 2002-04-19 2008-04-15 Msk Verpackung Syst Gmbh Verfahren zum umhüllen von stück- oder packgut
US7987653B2 (en) * 2004-03-03 2011-08-02 Adaptsys Limited Plastic embossed carrier tape process
CA2582379C (fr) * 2005-12-23 2014-06-03 Les Plastiques Balcan Limitee Appareil pour l'ensachage de materiau
US7594375B2 (en) * 2006-03-22 2009-09-29 Jacques Dussault Apparatus for bagging material
ES2376254T3 (es) * 2007-11-16 2012-03-12 MSK-Verpackungs-Systeme Gesellschaft mit beschränkter Haftung Dispositivo para calar una pel�?cula tubular o una funda de pel�?cula sobre una pila de productos.
US7861500B2 (en) * 2008-07-14 2011-01-04 Bradley Arthur Bennett Automatic cart bagger
IT1394521B1 (it) * 2008-12-19 2012-07-05 Marpak Oms Group S R L Apparecchiatura incappucciatrice per imballaggio, provvista di forno di termoretrazione e mezzi di protezione dal calore.
DE202010001587U1 (de) * 2010-01-29 2010-04-22 Msk - Verpackungs-Systeme Gmbh Vorrichtung zum Umhüllen eines Gutstapels mit einer Folie
DE102016212436B4 (de) * 2016-07-07 2018-07-26 Signode Industrial Group Llc Verpackungsverfahren und Haubenstretchanlage
CN109896075B (zh) * 2019-04-08 2020-12-04 湖州师范学院求真学院 一种道路交通标志牌的标志杆保护布自动粘附设备
DE102019216346A1 (de) * 2019-10-23 2021-04-29 Signode Industrial Group Llc Verfahren und Vorrichtung zum Verpacken eines Stapels von Gütern in einem schlauchförmigen Stretchfilm
CN110834771A (zh) * 2019-11-22 2020-02-25 安徽永锋智能包装科技有限公司 冰箱透明包装套袋收底方法
CN110745306A (zh) * 2019-11-22 2020-02-04 安徽永锋智能包装科技有限公司 冰箱包装收底设备
US11492155B2 (en) 2020-05-14 2022-11-08 Signode Industrial Group Llc Stretch-hood machine

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Publication number Priority date Publication date Assignee Title
DE2027648C3 (de) * 1970-06-05 1973-10-11 C. Keller U. Co., 4533 Laggenbeck Vorrichtung zum Umhüllen von Stapeln, insbesondere Ziegelstapeln
SE404160B (sv) * 1974-05-11 1978-09-25 Moellers Maschf Anordning for att draga en slang av vermekrymbar plast over en godsstapel
FR2473985A1 (fr) * 1980-01-17 1981-07-24 Thimon Machine d'emballage d'une charge dans un troncon de gaine en un materiau souple
DE3117531A1 (de) * 1981-05-04 1982-11-18 Kurt Lachenmeier ApS, 6400 Soenderborg Verfahren und vorrichtung zum verpacken von stapeln u. dgl. mit einer heissschrumpffolie
EP0077508B1 (fr) * 1981-10-16 1985-04-03 MSK-Verpackungs-Systeme Gesellschaft mit beschränkter Haftung Procédé et dispositif d'emballage de piles d'objets palettisés
DE3208544A1 (de) * 1982-03-10 1983-09-15 INDAG Gesellschaft für Industriebedarf mbH, 6900 Heidelberg Verfahren und vorrichtung zum aufbringen von schrumpffolien auf palettierte gueterstapel
DE3327996A1 (de) * 1983-08-03 1985-02-14 MSK - Verpackungs-Systeme GmbH, 4190 Kleve Verfahren zum verpacken von palettierten gutstapeln und vorrichtung zur durchfuehrung dieses verfahrens
FR2565554B1 (fr) * 1984-06-08 1986-10-17 Pakem Appareil de retraction pour emballage d'une charge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11370569B2 (en) 2019-12-19 2022-06-28 Officina Bocedi S.R.L. Machine for wrapping pallets

Also Published As

Publication number Publication date
ES2011447B3 (es) 1990-01-16
ATE46886T1 (de) 1989-10-15
ES2011447T5 (es) 1995-08-16
JPS6312433A (ja) 1988-01-19
SU1625328A3 (ru) 1991-01-30
DE3621297C2 (fr) 1992-05-14
DE3666025D1 (en) 1989-11-09
US4724658A (en) 1988-02-16
DE3621297A1 (de) 1988-01-14
EP0250647A1 (fr) 1988-01-07
EP0250647B2 (fr) 1995-05-10

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