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EP1300339A1 - Dispositif d' enveloppement - Google Patents

Dispositif d' enveloppement Download PDF

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Publication number
EP1300339A1
EP1300339A1 EP02021144A EP02021144A EP1300339A1 EP 1300339 A1 EP1300339 A1 EP 1300339A1 EP 02021144 A EP02021144 A EP 02021144A EP 02021144 A EP02021144 A EP 02021144A EP 1300339 A1 EP1300339 A1 EP 1300339A1
Authority
EP
European Patent Office
Prior art keywords
holder
roll
winding
film
roll holder
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Withdrawn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
EP02021144A
Other languages
German (de)
English (en)
Inventor
Gerd Heikaus
Lothar Heikaus
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.)
Illinois Tool Works Inc
Original Assignee
Heikaus Vertriebs-GmbH
Heikaus Vertriebs 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
Application filed by Heikaus Vertriebs-GmbH, Heikaus Vertriebs GmbH filed Critical Heikaus Vertriebs-GmbH
Publication of EP1300339A1 publication Critical patent/EP1300339A1/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Withdrawn legal-status Critical Current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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/04—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material the articles being rotated
    • B65B11/045—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material the articles being rotated by rotating platforms supporting the articles
    • 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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B2011/002—Prestretching mechanism in wrapping machines

Definitions

  • the invention relates to a winding device for wrapping objects.
  • winding devices for wrapping on Objects arranged on pallets with foils, in particular stretch foils used.
  • the items on the. are like cardboard boxes with a thin plastic film Pallet fixed for transport, for example.
  • the film used to increase the Packaging security can also be pre-stretched, has essentially that Task that the objects on the pallet are held securely.
  • the slide that usually wound as a 40 to 60 cm wide film tape on a roll is often wrapped around the pallet by hand.
  • winding devices such as pallet wrapping machines
  • a receiving device for receiving the to be wrapped with boxes or the like have loaded pallets.
  • the receiving device is for example, around a turntable on which the pallet is placed and around hers own axis can be rotated.
  • Such devices also have a Roll holder to hold the film roll.
  • To wrap the for example, objects stacked on a pallet will be the beginning of the slide connected to the pallet and by rotating the pick-up device, i.e. by rotating the pallet, the film is unwound from the film roll and simultaneous wrapping of the objects on the pallet.
  • winding devices have a vertical displacement device that carries the roll holder. Through the vertical shifting device becomes the film roll while wrapping the object vertically shifted. This is necessary, for example, on the to wrap stacked objects over their entire height and to keep it safe on the pallet.
  • the roll holder In known winding devices, the roll holder is freely accessible attached to a vertical strut, the vertical strut the vertical displacement device wearing. Since the roll holder is freely accessible, Avoiding injuries ensure that the wrapping process is automatic is interrupted. To do this, for example, are below the vertical slidable roll holder pressure plates or other sensors provided, or the like when touched by a foot. cancel the wrapping process. This ensures, for example, that when shutting down the Roller holder in the down position not an operator's foot from the Roll holder is injured.
  • Known winding devices also have the Disadvantage that the roll holder and the vertical displacement device easily contaminate and are therefore prone to failure.
  • the object of the invention is to provide a winding device, in particular for Wrapping objects arranged on pallets is also suitable create in which the risk of injury is reduced in a simple manner.
  • the winding device has a receiving device as well a roll holder, wherein for wrapping the object or objects that are preferably arranged on a pallet, the receiving device rotated and / or the roller holder around the object or objects is led around. Both by moving the film roll around the Object around as well as by rotating the object itself Wrapping and in most applications, fixing the objects on the pallet. Furthermore, there is a vertical displacement device, which Roller holder carries, provided. According to the invention, the vertical displacement device and the roll holder during the winding process arranged in a closed housing. The roll holder is thus during the entire winding process, i.e. during the vertical Displacement with the help of the vertical displacement device from a housing surround. From the housing is only the film, for example by an im Slit running essentially over the entire height of the housing, led out. There is no risk of injury to the film itself as this for example, if a hand gets between the film and the object, tears very easily.
  • the roll holder for changing the film roll preferably movable out of the housing into an exchange position.
  • the roll holder In this replacement position, the roll holder is easily accessible, so that the Role can be changed easily. This avoids that the housing has large voids.
  • has a movable Roll holder has the advantage that the roll, for example, from a roll load-bearing mandrel can be pulled off, since the roller holder at least partially in their replacement position at a distance from the Housing is in which the film roll simply upwards from the mandrel can be pulled down or attached to it from above.
  • the roller holder is preferably pivotable with the vertical sliding holder connected so that the roll holder from a The winding position can be swiveled into or out of the Exchange position can be pivoted back into the winding position.
  • the roll holder is pivoted here, for example, by one vertical axis.
  • the roll holder or the roll holder supporting element preferably a holding or locking element to the To be able to fix the roll holder in the winding and / or replacement position.
  • the roll holder is one horizontal axis swiveling.
  • the horizontal axis is preferred related to one in the winding tower or the like.
  • vertically arranged roll holder provided the lower end.
  • the Roll holder In an exchange position, the Roll holder preferably at an angle of 30 ° to a vertical up to 60 °.
  • the like can be used as a mandrel.
  • formed Roll holder the film roll can be easily attached from above.
  • the roll holder or an element that carries the roll holder is again preferably provided with a holding or fixing element through which the Roll holder can be fixed in the winding and / or replacement position. Since in this embodiment the roll holder is folded into the winding position a stop in the replacement position is also sufficient provided.
  • the roll holder is between the The winding position and the exchange position can be shifted with the vertical shifting device connected.
  • the vertical shifting device for example, telescopic rails provided in order to be able to pull the roll holder out of the housing, to put them in the exchange position.
  • the exchange position is preferably at working height arranged.
  • the roll holder is thus for changing the Foil roll not in its lowest position.
  • the roll holder is located rather when replacing the film roll in an ergonomically favorable position.
  • the vertical displacement device has a particularly preferred Embodiment on a platen.
  • On the platen lies in the Mainly the weight of the film roll on while it is in the Winding position, i.e. is vertically displaceable.
  • the Roll holder on a support or support plate for example, when swung in or inserted roller holder rests on the support plate.
  • This has the advantage that the position of the roll in the winding position is clear is defined and the weight of the film roll is carried by a support plate can be, which can be correspondingly massive.
  • the weight of the Film roll therefore does not have to be continuously by one, for example swiveling arm or the telescopic rails can be carried.
  • the roller holder is preferably also connected to a deflection roller which is movable together with the roller holder in the exchange position.
  • the Deflection roller serves to deflect the film so that the film is in the winding position the roll holder, for example through a slot or other opening can be led out of the housing or the like without housing edges. to touch and get damaged.
  • the guide roller is movable together with the roller holder in the exchange position and preferably firmly connected to the roll holder, it is very easy to Foil before moving the roll holder from the replacement position to the Place the winding position around the pulley and then the roll holder to move back to its winding position. Moving the film around one in the deflection roller arranged in the housing or in the winding position is considerable more difficult and therefore more time consuming.
  • the deflection roller preferably lies against a pressure roller in the winding position, so that the film is guided between the deflection roller and the pressure roller. There the deflection roller can be moved into the exchange position together with the roller holder is and in this position already moving the film around the Deflection roller takes place when the roller holder is moved back into the Winding position automatically pressing the film between the guide roller and the pressure roller.
  • the location of the film is clearly fixed in the housing of the winding device. Furthermore, for example, by varying the pressing force, a tension in the film be generated.
  • a winding device for wrapping around a pallet 10, for example arranged objects 12, such as stacked one above the other Cartons, has a receiving device 14 on which the pallet 10th is arranged.
  • the receiving device 14 is a turntable, which is about an axis 16 is rotatable.
  • the winding device has a winding tower 18, within which a film roll is held 24 and in the direction of an arrow 20 vertically is movable.
  • a film 22 is unwound from the film roll 24 and the pallet 10 wrapped together with the cartons 12.
  • By slowly moving the Film roll in the direction of arrow 20 is wrapped around the cartons 12 the entire height.
  • a height sensor is usually provided, through which the Height of the objects stacked on the pallet 10 is perceived, so that the vertical movement of the film roll is automatically stopped.
  • a sensor can be provided that emits light and sensor receives light reflected from the objects 12.
  • a roll holder 26 (FIG. 2) is used to hold a film roll 24. intended. 2, the roller holder 26 is in an exchange position shown. In the exchange position, the roller holder 26 is made of one Housing 28 of the winding tower 18 in the illustrated embodiment folded out or swiveled. This can be done ergonomically Favorable working height arranged door 30 of the housing to be opened to pivot the roll holder into the shown replacement position.
  • the roller holder 26 In a winding position, the roller holder 26 is in the housing 28 pivoted so that the door 30 can be closed again.
  • the Roll bracket 26 is then inside the housing over the entire height of the winding tower 18 vertically by means of a vertical displacement device 32 (FIG. 3) postponed.
  • the film 22 is essentially covered by the entire height of the winding tower 18 or the housing 28 extending slot 34 out of the housing in the direction of the receiving device 14.
  • the film roll 24 is placed on a mandrel 36 of the roll holder 26.
  • the film roll 24 can easily Pulled upwards from the mandrel 36 or plugged onto the mandrel 36 become.
  • the roller holder in the exchange position moved out of the housing 28, for example is swung out or pulled out.
  • the roller holder 26 a carrier plate 38 connected to the mandrel.
  • the mandrel 36 is here preferably rotatably connected to the carrier plate 38.
  • the carrier plate 38 can about a pivot axis 40 in the exchange position (Fig. 2) or Winding position (Fig. 3) are pivoted.
  • the pivot axis 40 is with a Support plate 42 of the vertical displacement device 32 connected.
  • the winding position is the carrier plate 38 of the roller holder 26 on the Support plate 42 of the vertical displacement device 32, so that the support plate 42 essentially carries the weight of the film roll.
  • This has the advantage that the pivot axis 40 can be made relatively thin.
  • the roller holder 26 also has a deflection roller 44.
  • the pulley 44 serves that the film 22 of the film roll 24 in the winding position by the Slot 34 is guided out of the housing 28 without the edges of the Slot 34 are touched. This will damage the film 22 when Avoid wrapping the objects 12.
  • the deflection roller 44 is also present a pressure roller 46 connected to the vertical displacement device 32, so that the film 22 between the deflection roller 44 and the pressure roller 46 runs. For example, by setting a contact pressure between the The two rollers 44, 46 can adjust the tension of the film and, if necessary, at The objects 12 are wrapped and the film is stretched or stretched. For this purpose it is also known, preferably in the case of one of the two rollers 44, 46 the pressure roller 46 to provide a brake to determine the amount of extension of the To be able to adjust film 22 during the winding process.
  • the deflection roller 44 is on an L-shaped bracket 48, which with the vertical displacement device 32 is connected via a pin 50 in a slot held.
  • the opposite end of the deflection roller 44 has an arm 52 connected and rotatably mounted on this.
  • the arm 52 is at a distance too the carrier plate 38 arranged and fastened to a bolt 54.
  • a spring is provided through which the Deflection roller 44 is pressed against the pressure roller 46.
  • the pin 50 must be removed from the the holder 48 connected to the vertical displacement device 32 can be released. Since the holder 52 is at a distance from the carrier plate 38, the Deflection roller 44 can be tilted slightly. By pivoting the pin 50 can loosened the slot and then the roller holder 26 into that shown in Fig. 2 Exchange position can be pivoted.
  • the roller holder has a lock or a locking pin 58.
  • the locking pin 58 can for example be pulled up against a spring and snaps into a recess in the support plate 42 in the winding position on.
  • the vertical displacement device 32 has a vertically arranged one Base plate 60 on which the bracket 48 and the support plate 42, is fastened, for example, by welding.
  • the base plate is inside the Housing 28, i.e. a cavity located within the housing vertically in the direction of arrow 20 (Fig. 1), the base plate with four rollers 62 are connected which guide the base plate along Ensure guide rails 64.
  • a chain 66 connected to a motor, one of the two chain strands are firmly connected to the base plate 60.
  • the vertical displacement device 32 and the roll holder 26 arranged and vertical is displaceable, also all other control and drive units of the Winding device provided.
  • the drive and / or the control for driving the Receiving device 14 can be arranged in the winding tower 18. All required units of the winding device are thus in a slim, provided a winding tower requiring little space.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Basic Packing Technique (AREA)
EP02021144A 2001-09-24 2002-09-24 Dispositif d' enveloppement Withdrawn EP1300339A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20115650U DE20115650U1 (de) 2001-09-24 2001-09-24 Wickelvorrichtung
DE20115650U 2001-09-24

Publications (1)

Publication Number Publication Date
EP1300339A1 true EP1300339A1 (fr) 2003-04-09

Family

ID=7962037

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02021144A Withdrawn EP1300339A1 (fr) 2001-09-24 2002-09-24 Dispositif d' enveloppement

Country Status (2)

Country Link
EP (1) EP1300339A1 (fr)
DE (1) DE20115650U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2147864A1 (fr) 2008-07-22 2010-01-27 Aranguren Comercial del Embalaje SL Fardeleuse
US20100313525A1 (en) * 2009-06-15 2010-12-16 Martin Curtis W Wrapping apparatus having top loading and threading dispenser

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5794418A (en) * 1997-07-21 1998-08-18 Lai; Robert Pallet stretch wrapping machine
WO1999001347A1 (fr) * 1997-07-02 1999-01-14 C.B. S.P.A. Dispositif portatif servant a emballer des charges dans un film extensible prealablement etire
US6082081A (en) * 1998-07-10 2000-07-04 Mucha; Jacek Powered prestretched film delivery apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1235937B (it) * 1989-11-08 1992-12-09 Derifan Spa Macchina avvolgitrice automatica di film plastico particolarmente adatta per valige.
US5911666A (en) * 1997-06-12 1999-06-15 Lantech Management Corp. And Lantech Holding Corp. Method and apparatus for disposing of packaging material
GB2338695B (en) * 1998-06-23 2002-07-31 Orion Packaging Systems Stretch wrapping machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999001347A1 (fr) * 1997-07-02 1999-01-14 C.B. S.P.A. Dispositif portatif servant a emballer des charges dans un film extensible prealablement etire
US5794418A (en) * 1997-07-21 1998-08-18 Lai; Robert Pallet stretch wrapping machine
US6082081A (en) * 1998-07-10 2000-07-04 Mucha; Jacek Powered prestretched film delivery apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2147864A1 (fr) 2008-07-22 2010-01-27 Aranguren Comercial del Embalaje SL Fardeleuse
US20100313525A1 (en) * 2009-06-15 2010-12-16 Martin Curtis W Wrapping apparatus having top loading and threading dispenser

Also Published As

Publication number Publication date
DE20115650U1 (de) 2003-02-13

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