EP1505018A1 - Verfahren zum Bilden und Aufnehmen von Blattstapeln - Google Patents

Verfahren zum Bilden und Aufnehmen von Blattstapeln Download PDF

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Publication number
EP1505018A1
EP1505018A1 EP04103805A EP04103805A EP1505018A1 EP 1505018 A1 EP1505018 A1 EP 1505018A1 EP 04103805 A EP04103805 A EP 04103805A EP 04103805 A EP04103805 A EP 04103805A EP 1505018 A1 EP1505018 A1 EP 1505018A1
Authority
EP
European Patent Office
Prior art keywords
sheets
group
stack
packs
new stack
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Withdrawn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
EP04103805A
Other languages
English (en)
French (fr)
Inventor
Andrea Cinotti
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.)
KPL Packaging SpA
Original Assignee
KPL Packaging SpA
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 KPL Packaging SpA filed Critical KPL Packaging SpA
Publication of EP1505018A1 publication Critical patent/EP1505018A1/de
Withdrawn legal-status Critical Current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
    • B65H3/00—Separating articles from piles
    • B65H3/32—Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile
    • B65H3/322—Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the pile for separating a part of the pile, i.e. several articles at once
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/54—Pressing or holding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/56—Elements, e.g. scrapers, fingers, needles, brushes, acting on separated article or on edge 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
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/422—Handling piles, sets or stacks of articles
    • B65H2301/4223—Pressing piles
    • 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
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/422—Handling piles, sets or stacks of articles
    • B65H2301/4224—Gripping piles, sets or stacks of articles
    • B65H2301/42242—Gripping piles, sets or stacks of articles by acting on the outermost articles of the pile for clamping the pile

Definitions

  • the present invention relates to a method of forming and picking up packs of sheets.
  • a unit for forming and picking up packs off a stack of sheets located at a work station and comprising a number of sheets stacked in a given first direction. It should be pointed out that the stack comprises a first group of sheets defining a number of packs, each defined by a first number of sheets; and a second group of sheets defined by a second number of sheets smaller than the first number.
  • the unit normally comprises a pack selecting device, in turn comprising a top jaw which is placed on a top face of the stack, and a bottom jaw which is inserted inside the stack at a distance from the top jaw equal to the thickness of a pack, so as select a pack at each operating cycle of the unit.
  • the top and bottom jaws cooperate with each other to at least partly raise the selected pack and enable a pickup device to remove the pack from the selecting device and feed it to an input station of an operating unit in a second direction substantially perpendicular to said first direction.
  • the second group of sheets is picked up in exactly the same way as described above for the packs, and is transferred by the pickup device in said second direction to enable a new stack of sheets to be fed to the work station.
  • the second group of sheets is transferred by the pickup device, in a third direction opposite the second direction, onto the new stack, so that the next pack selected by the selecting device comprises the second group and some of the sheets in the new stack.
  • a major drawback of known units of the type described above is that, when transferring the second group in the third direction onto the new stack of sheets, the new stack is only retained at a top edge crosswise to and at the front in the third direction, and is therefore disarranged by the second group.
  • Number 1 in Figure 1 indicates as a whole a unit for forming and picking up packs 2 (Figure 3) off a stack 3 of sheets 4 superimposed in a substantially vertical direction 5.
  • Stack 3 is supported on a pallet 6 at a work station 7, and comprises, in the example shown, a first group 8 ( Figures 2 and 3) of sheets 4 defining a number of packs 2, each comprising an n number of sheets 4; and a second group 9 ( Figures 4 to 6) of sheets 4 comprising an m number of sheets 4 smaller than the n number.
  • pallet 6 is fed in steps in direction 5 to enable unit 1 to select a pack 2 at each operating cycle, and to feed pack 2, in a substantially horizontal direction 10 perpendicular to direction 5, to an input station 11 of a known operating unit not shown.
  • station 11 comprises a conveyor belt 12 looped about two pulleys 13 (only one shown in Figure 1) fitted to a fixed frame (not shown) of unit 1 to rotate about respective longitudinal axes 14 perpendicular to directions 5 and 10.
  • Unit 1 comprises a supporting device 15 (operation of which is described in detail later on) located between stations 7 and 11, and in turn comprising a flat, substantially rectangular plate 16 mounted to move, linearly in direction 5 and under the control of a known actuating device not shown, to and from a lowered rest position ( Figure 1), in which plate 16 is substantially coplanar with a top conveying branch of belt 12.
  • plate 16 On its lateral edge facing station 7, plate 16 comprises a number of (in the example shown, two) substantially flat pressure members 17, each of which is fitted to plate 16 to rotate, with respect to plate 16 and under the control of an actuating device normally common to all of members 17, about a respective hinge axis 18 parallel to direction 5, and between a rest position ( Figure 1), in which member 17 is located on plate 16, and a work position ( Figure 6), in which member 17 projects from plate 16 in direction 10.
  • actuating device normally common to all of members 17, about a respective hinge axis 18 parallel to direction 5, and between a rest position ( Figure 1), in which member 17 is located on plate 16, and a work position ( Figure 6), in which member 17 projects from plate 16 in direction 10.
  • Unit 1 also comprises a known selecting device 19 for selecting each pack 2 from stack 3, and which comprises a slide 20 fitted in known manner to said fixed frame (not shown) to move linearly in directions 5 and 10 with respect to the fixed frame (not shown).
  • Slide 20 supports a gripping member 21 comprising a top jaw 22 bounded at the bottom by a substantially flat surface 23; and a bottom jaw defined by a flat blade 24 extending parallel to surface 23, and the distance of which from surface 23 is adjustable manually or by means of a known actuating device not shown.
  • Blade 24 is fitted to jaw 22 to slide, with respect to jaw 22 and under the control of two parallel actuating cylinders 25, in a direction parallel to surface 23, so as to penetrate stack 3 ( Figure 2).
  • Jaw 22 is fitted to slide 20 to rotate, with respect to slide 20 and under the control of a known actuating device 26, about a hinge axis 27 perpendicular to directions 5 and 10, so as to move member 21 between a substantially horizontal position (Figure 2) to select pack 2, and a tilted position ( Figure 3) in which a rear portion of the selected pack 2 is raised off stack 3.
  • Device 26 comprises a crank 28 rotated about axis 27 by an actuating cylinder 29 hinged to slide 20 and having an output rod 30, the free end of which is fitted, by the interposition of a pin 31 substantially parallel to axis 27, to slide inside a slot 32 formed through crank 28.
  • Rod 30 is movable between a withdrawn position and an extracted position to enable crank 28 to engage or release a pin 33 projecting, parallel to axis 27, from jaw 22, and so move member 21 between the horizontal and tilted positions.
  • Unit 1 also comprises a known pressure member 34 defined by a substantially flat plate 35 extending perpendicularly to direction 5 and fitted to the free end of the output rod of an actuating cylinder 36, which moves plate 35 in direction 5 and is fixed to the output rod of an actuating cylinder 37 for moving cylinder 36, and therefore plate 35, in direction 10.
  • a known pressure member 34 defined by a substantially flat plate 35 extending perpendicularly to direction 5 and fitted to the free end of the output rod of an actuating cylinder 36, which moves plate 35 in direction 5 and is fixed to the output rod of an actuating cylinder 37 for moving cylinder 36, and therefore plate 35, in direction 10.
  • unit 1 also comprises a grip and transfer unit 38, in turn comprising a slide 39 fitted in known manner to said fixed frame (not shown) to move linearly in directions 5 and 10 with respect to the fixed frame (not shown).
  • Unit 38 also comprises two grip and transfer members 40 aligned with each other in a direction 41 perpendicular to directions 5 and 10, and located substantially on opposite sides, in direction 41, of the assembly defined by selecting device 19 and pressure member 34.
  • Each member 40 comprises a substantially flat bottom jaw 42 perpendicular to direction 5 and extending in direction 10; and a substantially flat top jaw 43 parallel to jaw 42 and movable in direction 5 between a grip position and a release position to grip and release a pack 2 between jaws 42 and 43.
  • device 19 is moved by slide 20 in directions 5 and 10 so that surface 23 contacts stack 3, and blade 24 is moved in direction 10 by actuating cylinders 25 so as to penetrate stack 3 and select a first pack 2.
  • device 19 is then moved by actuating device 26 into the tilted position to partly raise the selected pack 2; pressure member 34 is moved in directions 5 and 10 onto and to retain the top sheet 4 of the next pack 2; and the two grip and transfer members 40 are moved in directions 5 and 10 to insert respective bottom jaws 42 beneath the raised pack 2.
  • device 19 is moved back into the horizontal position; top jaws 43 are moved into the grip position; device 19 releases pack 2; and pack 2 is transferred in direction 10 first onto supporting device 15, and then onto conveyor belt 12.
  • the above operating sequence is performed h number of times to form and pick up off stack 3 the packs 2 obtainable from first group 8 of sheets 4, and to leave the second group 9 of sheets 4 on pallet 6.
  • the empty pallet 6 is removed from work station 7; a new pallet 6, with a new stack 3 of sheets 4, is fed into station 7; plate 16 is raised in direction 5; pressure members 17 are moved into the work position; plate 16 is moved back into the lowered rest position, so that members 17 engage a top edge 44, crosswise to direction 10, of the new stack 3; and second group 9 is transferred onto the new stack 3 in a direction 45 opposite direction 10.
  • members 17 When transferring second group 9 in direction 45, members 17 are maintained in the work position, so as to engage edge 44, i.e. the rear edge of the new stack 3 in direction 45, and so stabilize and prevent disarranging and/or creasing sheets 4 in the new stack 3.
  • selecting device 19 selects another pack 2 comprising second group 9 and some of the sheets 4 in the new stack 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
EP04103805A 2003-08-08 2004-08-06 Verfahren zum Bilden und Aufnehmen von Blattstapeln Withdrawn EP1505018A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO20030489 ITBO20030489A1 (it) 2003-08-08 2003-08-08 Metodo per la formazione e il prelievo di risme di fogli
ITBO20030489 2003-08-08

Publications (1)

Publication Number Publication Date
EP1505018A1 true EP1505018A1 (de) 2005-02-09

Family

ID=33548845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04103805A Withdrawn EP1505018A1 (de) 2003-08-08 2004-08-06 Verfahren zum Bilden und Aufnehmen von Blattstapeln

Country Status (2)

Country Link
EP (1) EP1505018A1 (de)
IT (1) ITBO20030489A1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2128057A1 (de) * 2008-05-28 2009-12-02 KG Schneider-Senator Verkaufs-GmbH Verfahren und Vorrichtung zum Anheben und Hanhaben eines Stapels von Blättern oder eines Teilstapels davon
US7866476B2 (en) 2007-05-30 2011-01-11 Walgreen Co. Multi-dose blister card pillbook
US8251219B1 (en) 2007-10-22 2012-08-28 Walgreen Co. Package for medicine
WO2016096160A1 (en) * 2014-12-18 2016-06-23 Bobst Grenchen Ag Feeder system for feeding a stack of flat elements to a processing device
WO2016096158A1 (en) * 2014-12-18 2016-06-23 Bobst Grenchen Ag Portioning system for portioning stackable flat elements in a stack for a further processing
WO2016096159A1 (en) * 2014-12-18 2016-06-23 Bobst Grenchen Ag Transfer system for transferring a stack of stackable flat elements to a processing device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4955854A (en) * 1988-08-01 1990-09-11 Oscar Roth Apparatus for subdividing stacks of sheets of paper and the like
EP1264792A1 (de) * 2001-06-08 2002-12-11 BIELOMATIK LEUZE GmbH + Co. Vorrichtung and Verfahren zur Unterteiling eines Staples von Blättern in Riese vorgegeber Blattzahl

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4955854A (en) * 1988-08-01 1990-09-11 Oscar Roth Apparatus for subdividing stacks of sheets of paper and the like
EP1264792A1 (de) * 2001-06-08 2002-12-11 BIELOMATIK LEUZE GmbH + Co. Vorrichtung and Verfahren zur Unterteiling eines Staples von Blättern in Riese vorgegeber Blattzahl

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7866476B2 (en) 2007-05-30 2011-01-11 Walgreen Co. Multi-dose blister card pillbook
US8251219B1 (en) 2007-10-22 2012-08-28 Walgreen Co. Package for medicine
EP2128057A1 (de) * 2008-05-28 2009-12-02 KG Schneider-Senator Verkaufs-GmbH Verfahren und Vorrichtung zum Anheben und Hanhaben eines Stapels von Blättern oder eines Teilstapels davon
CN107250010A (zh) * 2014-12-18 2017-10-13 鲍勃斯脱格伦兴股份公司 用于将可堆叠的扁平元件堆传送到加工装置的传送系统
WO2016096158A1 (en) * 2014-12-18 2016-06-23 Bobst Grenchen Ag Portioning system for portioning stackable flat elements in a stack for a further processing
WO2016096159A1 (en) * 2014-12-18 2016-06-23 Bobst Grenchen Ag Transfer system for transferring a stack of stackable flat elements to a processing device
WO2016096160A1 (en) * 2014-12-18 2016-06-23 Bobst Grenchen Ag Feeder system for feeding a stack of flat elements to a processing device
CN107250011A (zh) * 2014-12-18 2017-10-13 鲍勃斯脱格伦兴股份公司 用于将扁平元件堆提供给加工装置的供料系统
CN107257768A (zh) * 2014-12-18 2017-10-17 鲍勃斯脱格伦兴股份公司 用于将扁平元件堆的可堆叠扁平元件分份以作进一步加工的分份系统
US10124971B2 (en) 2014-12-18 2018-11-13 Bobst Grenchen Ag Transfer system for transferring a stack of stackable flat elements to a processing device
US10167150B2 (en) 2014-12-18 2019-01-01 Bobst Grenchen Ag Feeder system for feeding a stack of flat elements to a processing device
CN107250010B (zh) * 2014-12-18 2019-05-03 鲍勃斯脱格伦兴股份公司 用于将可堆叠的扁平元件堆传送到加工装置的传送系统
CN107250011B (zh) * 2014-12-18 2019-05-10 鲍勃斯脱格伦兴股份公司 用于将扁平元件堆提供给加工装置的供料系统
US10414607B2 (en) 2014-12-18 2019-09-17 Bobst Grenchen Ag Portioning system for portioning stackable flat elements in a stack for a further processing
CN107257768B (zh) * 2014-12-18 2019-10-18 鲍勃斯脱格伦兴股份公司 用于将扁平元件堆的可堆叠扁平元件分份以作进一步加工的分份系统

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