EP0034797B1 - Vorrichtung zum Vereinzeln von Bogen aus Karton oder dgl. - Google Patents

Vorrichtung zum Vereinzeln von Bogen aus Karton oder dgl. Download PDF

Info

Publication number
EP0034797B1
EP0034797B1 EP81101130A EP81101130A EP0034797B1 EP 0034797 B1 EP0034797 B1 EP 0034797B1 EP 81101130 A EP81101130 A EP 81101130A EP 81101130 A EP81101130 A EP 81101130A EP 0034797 B1 EP0034797 B1 EP 0034797B1
Authority
EP
European Patent Office
Prior art keywords
stock
sheets
stack
removal
buffer
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
EP81101130A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0034797A2 (de
EP0034797A3 (en
Inventor
Wilhelm Fischer
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.)
Unilever PLC
Unilever NV
Original Assignee
Unilever NV
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 Unilever NV filed Critical Unilever NV
Publication of EP0034797A2 publication Critical patent/EP0034797A2/de
Publication of EP0034797A3 publication Critical patent/EP0034797A3/de
Application granted granted Critical
Publication of EP0034797B1 publication Critical patent/EP0034797B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/30—Supports or magazines for piles from which articles are to be separated with means for replenishing the pile during continuous separation of articles therefrom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
    • B65H1/24—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device with means for relieving or controlling pressure of the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/321—Standing on edge

Definitions

  • the invention relates to a device for separating sheets of cardboard or the like. From a relatively large supply, which is divided into the actual supply stack and a removal stack, a conveyor device being provided for the supply stack has a control which, when the subsequent stack drops below a minimum number, switches on the conveying device and the separating stack is assigned a separating device.
  • Such a device is known from DE-A-2 321 771; if the stack of products drops below a minimum number of sheets, the conveyor device is switched on and switched off when the intended maximum quantity is reached.
  • the number of sheets in the acceptance stack is therefore subject to constant fluctuation, with the result that the contact pressure of the bottom sheet in each case also varies constantly. This means that the removal of the individual sheets is extremely susceptible to faults.
  • the invention has for its object to provide a device of the type mentioned, with which it is possible to keep a large supply of sheets available and still keep the contact pressure of the sheets constant at the separating device.
  • a buffer stack the number of which is provided for controlling the conveying device, is divided from the removal stack, and in all three successive stacks the sheets are on one of their edges and the foremost sheet of each stack with its upper edge facing away from each abuts a stop bar, the removal stack and the buffer stack adjoining this standing up on a common guide rail designed as an inclined plane, while the third stack of sheets serving as the actual supply stack rests on the conveying device gets up.
  • the conveyor device is designed as a chain conveyor and is arranged inclined towards the buffer stack.
  • the sheets slide into the buffer stack particularly easily and trouble-free.
  • the chain links of the chain conveyor very effectively prevent unwanted slipping of the sheets.
  • a processing device (not shown) is fed cardboard sheets 1 individually and lying flat on a conveyor belt 2.
  • the sheets are withdrawn from a removal stack 3 by suction cups 5 attached to lever arms 4.
  • the lower edge of the cardboard sheets of the acceptance stack 3 are on a guide rail 6, which slopes downwards towards the conveyor belt 2.
  • a stop 7 for the lower edge of the first sheet of the removal stack is attached.
  • a further stop 8, against which this edge is supported, is arranged for the upper edge of this first sheet.
  • lateral stops 18 can also be provided (FIG. 2), in particular in order to enable easier adaptation to different sheet sizes.
  • a buffer stack 9 made of cardboard sheets, which is separated from the sheets of the removal stack 3 by a stop bar 10 at the upper end of the first sheet.
  • This stop bar protrudes only slightly into the surface of the first sheet, so that the first sheet slips under it as soon as a sheet of the removal stack is removed from the separating device (lever arm 4, suction device 5).
  • An initiator 11 (FIG. 2) is arranged to the side of the buffer stack 9 and responds to a minimum and a maximum number of sheets in the buffer stack. It is connected to a control device, not shown, which switches a drive of a conveyor device 12, which is also not shown, on or off.
  • the conveyor device 12 is designed as a chain conveyor with two conveyor chains 13. On these conveyor chains 13, which can be of any length, the sheets of a supply stack 14 stand on one edge. The first sheet of this supply stack 14 is held by a stop rail 15 engaging on its upper edge.
  • the initiator 11 switches on the conveying device 12 when the minimum number of sheets in the buffer stack 9 has been reached, the lower edges of the sheets of the supply stack 14 are transported against the buffer stack 9; however, the sheets are simultaneously held on their upper edge by the stop rail 15. As soon as a sheet falls with its lower edge onto the guide rail 6, its upper edge slips under the stop rail 15 and the sheet falls fully into the buffer stack. This continues until the initiator switches off the conveying device after reaching the maximum number of sheets in the buffer stack.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Pile Receivers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
EP81101130A 1980-02-22 1981-02-17 Vorrichtung zum Vereinzeln von Bogen aus Karton oder dgl. Expired EP0034797B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3006782A DE3006782C2 (de) 1980-02-22 1980-02-22 Verfahren und Vorrichtung zum Vereinzeln von Bogen aus Karton o.dgl.
DE3006782 1980-02-22

Publications (3)

Publication Number Publication Date
EP0034797A2 EP0034797A2 (de) 1981-09-02
EP0034797A3 EP0034797A3 (en) 1981-12-30
EP0034797B1 true EP0034797B1 (de) 1985-05-22

Family

ID=6095358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81101130A Expired EP0034797B1 (de) 1980-02-22 1981-02-17 Vorrichtung zum Vereinzeln von Bogen aus Karton oder dgl.

Country Status (5)

Country Link
EP (1) EP0034797B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE3006782C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK77581A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES499608A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GR (1) GR70722B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5653671A (en) * 1994-12-30 1997-08-05 Riverwood International Corporation Carton feeder assembly
JP3538719B2 (ja) * 1995-10-18 2004-06-14 四国化工機株式会社 ブランク供給装置
ES2229840B1 (es) * 2002-03-05 2006-06-01 Kappa Iberoamericana, S.A. Apilador de placas de carton para alimentacion de maquinas conformadoras de cajas.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE264320C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) *
DE264330C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) *
NL298992A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1962-10-11
US3748937A (en) * 1971-07-01 1973-07-31 Longford Equip Intern Ltd Card scoring device
DE2321771A1 (de) * 1973-04-30 1974-11-14 Jagenberg Werke Ag Vorrichtung zum zufuehren von kartonzuschnitten od. dgl. zu einer verarbeitungsmaschine
CH584642A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1975-07-15 1977-02-15 Grapha Holding Ag
US4183517A (en) * 1977-12-27 1980-01-15 Harris Corporation Apparatus and method for delivering signatures to a gatherer

Also Published As

Publication number Publication date
EP0034797A2 (de) 1981-09-02
ES8203780A1 (es) 1982-04-16
DE3170570D1 (en) 1985-06-27
EP0034797A3 (en) 1981-12-30
DE3006782C2 (de) 1985-12-19
ES499608A0 (es) 1982-04-16
DE3006782A1 (de) 1981-08-27
DK77581A (da) 1981-08-23
GR70722B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-01-18

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