EP0576820A1 - Procédé et dispositif pour empiler des feuilles - Google Patents

Procédé et dispositif pour empiler des feuilles Download PDF

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Publication number
EP0576820A1
EP0576820A1 EP93107985A EP93107985A EP0576820A1 EP 0576820 A1 EP0576820 A1 EP 0576820A1 EP 93107985 A EP93107985 A EP 93107985A EP 93107985 A EP93107985 A EP 93107985A EP 0576820 A1 EP0576820 A1 EP 0576820A1
Authority
EP
European Patent Office
Prior art keywords
stack
sheets
sheet
bar grate
stacking
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.)
Granted
Application number
EP93107985A
Other languages
German (de)
English (en)
Other versions
EP0576820B1 (fr
EP0576820B2 (fr
Inventor
Helmut Philipp
Wilfried Kurth
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.)
Jagenberg AG
Original Assignee
Jagenberg AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6462279&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0576820(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Jagenberg AG filed Critical Jagenberg AG
Publication of EP0576820A1 publication Critical patent/EP0576820A1/fr
Publication of EP0576820B1 publication Critical patent/EP0576820B1/fr
Application granted granted Critical
Publication of EP0576820B2 publication Critical patent/EP0576820B2/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
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/34—Apparatus for squaring-up piled articles
    • B65H31/38—Apparatus for vibrating or knocking the pile during piling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/32—Auxiliary devices for receiving articles during removal of a completed 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard

Definitions

  • the invention relates to a method for stacking sheets fed in shingled form, in particular cardboard sheets, according to the preamble of patent claim 1 and a device for carrying out the method according to the preamble of patent claim 5.
  • DE-PS 38 23 806 discloses a stacking device with an auxiliary stacking platform designed as a bar grate, on which the sheets are stacked until a new pallet has been placed on the storage platform and raised under the bar grate .
  • the bar grate can be arranged vertically fixed at a certain distance below the feed level, since - unlike sensitive paper sheets - these can fall freely over a longer distance without problems during stacking occur.
  • a stack change can be carried out while the partial stack formed on the bar grate grows up to the level of the feed level.
  • a disadvantage of the generic methods and devices is that there is a gap in the shingled stream of the supplied sheets for retracting the bar grate must be generated.
  • the bars of the bar grate cannot be moved across the entire stack if sheets continue to be fed.
  • the weight of the sheets partially resting on the bar grate when entering the stacking area increases continuously, so that damage to the sheet front edges and malfunctions due to folding over of the sheet front edges occurs in particular on the last part of the entry section in front of the notice boards. According to the prior art, this can only be prevented if the sheet feed is temporarily interrupted while the bar grate is being moved into the stacking area. For this, sheets have to be removed that can no longer be used as rejects.
  • the invention has for its object to improve a generic method and a generic device so that a stack change can be carried out without losing sheets.
  • the friction between it and the bar grate can be reduced so that it can be moved over the entire stack without interrupting the supply of sheets.
  • the oscillation causes the sheet leading edges pressed against the bulletin board by the grating to pull straight again in the opposite direction.
  • the intermittent retraction of the bar grate according to claim 3 enables sensitive sheets to straighten again during the idle period in order to prevent the front edges of the sheet from turning over.
  • the sheet leading edges hanging down in the area between the bar tips of the bar grate and the notice board are pressed up again. In this position they straighten themselves again by shaking.
  • the subclaims 6 and 7 contain structurally particularly advantageous embodiments of a device according to claim 5.
  • the low-friction coating of the bulletin board according to claim 8 ensures that the leading sheet edges hanging down in the area between the rod tips of the rod grate and the bulletin board for straightening the bows without resistance can move up.
  • Figures 1 to 4 show a rough schematic side view of a device according to the invention and the process flow when changing stacks.
  • Fig. 5 shows an enlarged view of a longitudinal section in the sheet running direction through the bulletin board with the vibrating device.
  • FIG. 6 shows a section along the line A - B of FIG. 5.
  • the stacking device shown schematically in FIGS. 1 to 4 is used for depositing continuous cardboard sheets 1 conveyed in a shingled stream onto a stack 2 following a cross cutting machine.
  • the Stack 2 is formed on a lifting and lowering storage platform; in this example a scissor lift table on which pallets are placed.
  • the sheets 1 are fed by a belt conveyor 3 to the stacking area, the deflection rollers 4 on the outlet side and the ejection rollers 5 of which are stationary in the deposit frame above the maximum stack height.
  • a stop board 6, which is arranged at the end of the stacking area and extends across the working width, can be adjusted vertically in or against the direction of sheet travel to different format lengths. Its structure is shown in more detail in FIGS. 5 and 6.
  • a vertically fixed, horizontally retractable bar grate 7 is stored in the deposit frame, the storage surface of which is formed by parallel spaced bars 8.
  • the sheets 1 are stacked on the bar grate 7, while a finished stack 2 is lowered, conveyed out of the stacking area and a new pallet is placed on the storage platform and raised again below the bar grate 7.
  • the bar grate 7 is then moved out of the stack area again and the partial stack 9 formed on it is transferred to the pallet.
  • the notice board 6 extends in the vertical direction from an area above the feed plane to below the bar grate 7. In its lower part it has vertical recesses in the area of the bars 8, so that the tips of the bars 8 - as indicated in FIG. 6 - pass through the bulletin board 6 can be moved through, e.g. B. when filing short formats.
  • the message board 6 is preferably divided into individual separate segments over the working width, so that two or more stacks 2 with different format lengths can be formed side by side at the same time.
  • the bulletin board 6 or its individual segments are fastened at the end of adjusting rods 9, which are mounted in the cantilever frame and can be displaced approximately at the level of the belt conveyor 4 in and against the direction of sheet travel.
  • FIGS. 5 and 6 it can be set in a horizontal vibration in and against the direction of sheet travel.
  • it consists of two parts 10, 11 constructed, which are arranged in parallel at a distance one behind the other, the rear part 11 is attached to the adjusting rods 9.
  • the front part 10 in the direction of sheet travel, against which the sheet leading edges abut, is attached to the rear part 11 in a downward hanging manner by means of elastic rubber damper elements 12.
  • On its lower part (approx. 250 mm below the suspension and above the bar grate 7), a vibrating device 13 engages with which the horizontal vibration is generated.
  • the vibrating device 13 fastened to the part 10 contains rotatable eccentric elements with adjustable eccentricity for setting the oscillation amplitude, wherein the oscillation frequency can be set via the rotational speed.
  • the front part 10 of the bulletin board 6 is low-friction on the sheet stop side, for. B. coated with PTFE.
  • the damper elements 12 are arranged in two heights: on the one hand on the suspension on part 11, and on the other hand about 100 mm lower, that is in the area between the suspension and the point of application of the vibrating device 13.
  • the sheet longitudinal edges are guided by vertical side guide plates, not shown, which extend on both machine sides and in each case between the stacks 2 in the direction of sheet travel. Furthermore, sensors 14, 15, z. B. capacitive probes, arranged on the outlet-side stack side, of which the height of the top edge of the stack is scanned to control the vertical movement of the storage platform. A sensor 14 is located somewhat below the feed plane, the second sensor 15 is approximately 40 mm above the bar grate 7.
  • Fig. 1 the storage on the stack 2 is shown, which is formed on a pallet.
  • the bar grate 7 is in a waiting position outside the stacking area. While the sheets 1 are being fed continuously, the depositing platform is continuously lowered in order to keep the drop height of the sheets 1 onto the stack 2 constant. The height of the top edge of the stack is controlled by means of the sensor 14.
  • the stack change is initiated. For this purpose, the stack 2 is first lowered at high speed to the sensor 15, then the lowering movement slows down until the top edge of the stack is approx. 50 mm below the bars 8 of the bar grate 7 (FIG. 2).
  • the sheets 1 continue to be fed continuously, with the rapid lowering of the stack 2 fanning out the rear edges of the fed sheets 1, so that the bar grate 7 can move between them.
  • the retracting movement of the bar grate 7 is triggered as soon as the top edge of the stack is below it.
  • a shaking movement of the front part 10 of the stop board 6 is triggered by setting the eccentric elements of the shaking device 13 in rotation. Due to the shaking movement, the partial stack forming on the bar grate 7 is set into a horizontal oscillation in and against the direction of sheet travel. It has been shown that a suitable vibration occurs when hard damper elements 12 are used in the heights specified above and the eccentric disc 14 rotates at a frequency of 60-70 Hz.
  • the bar grate 7 is first moved into the stacking area at a speed of approximately 120 mm / s to approximately 50% -75% of the format length (Fig. 3). In the meantime, the trailing edges of the sheets 1 subsequently conveyed are placed on it. By shaking the partial stack formed on it, the friction is reduced, so that the bar grate 7 can be retracted without upsetting or damaging the sheets 1. After the continuous running-in phase, the bar grate 7 is moved on in cycles, the standstill and travel cycles being set depending on the format. It has been shown that the cyclic movement of the bar grate 7 allows the bar grate to be easily moved between the leading edges of the partial stack 9 growing on it.
  • the stack 2 is additionally raised a little towards the end of the running-in process from below (approx. 10 - 40 mm), so that the leading sheet edges hanging down in front of the bulletin board 6 are pressed upwards and are pushed through Place the shaker straight (Fig. 4).
  • the horizontal movement of the bar grate 7 is stopped when the bulletin board 6 is reached.
  • the upper part of the stack 2 is then completely separated from the lower part by the bar grate 7.
  • the bottom part the stack 2 is quickly lowered and transported away, a new pallet is placed on the storage platform and raised again to below the bar grate 7.
  • the partial stack on the bar grate 7 grows continuously, but does not reach the height of the feed level.
  • the bar grate 7 is then moved back onto the stacking area, so that the partial stack is transferred to the pallet.
  • the storage platform is continuously lowered in accordance with the height increase of the stack 2. If the stack 2 has reached the desired size, a stack change is carried out again in the manner described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Forming Counted Batches (AREA)
EP93107985A 1992-07-02 1993-05-17 Procédé et dispositif pour empiler des feuilles Expired - Lifetime EP0576820B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4221660A DE4221660C2 (de) 1992-07-02 1992-07-02 Verfahren und Vorrichtung zum Stapeln von Bogen
DE4221660 1992-07-02

Publications (3)

Publication Number Publication Date
EP0576820A1 true EP0576820A1 (fr) 1994-01-05
EP0576820B1 EP0576820B1 (fr) 1995-08-30
EP0576820B2 EP0576820B2 (fr) 1998-09-02

Family

ID=6462279

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93107985A Expired - Lifetime EP0576820B2 (fr) 1992-07-02 1993-05-17 Procédé et dispositif pour empiler des feuilles

Country Status (6)

Country Link
US (1) US5368288A (fr)
EP (1) EP0576820B2 (fr)
JP (1) JPH06156858A (fr)
DE (2) DE4221660C2 (fr)
ES (1) ES2079226T5 (fr)
FI (1) FI933035A (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09175718A (ja) * 1995-11-30 1997-07-08 Heidelberger Druckmas Ag 枚葉紙印刷機の排紙装置における枚葉紙パイルを形成する装置
DE19627241C2 (de) * 1995-11-30 2002-03-07 Heidelberger Druckmasch Ag Vorrichtung zur Bildung eines Bogenstapels im Ausleger einer Bogendruckmaschine
EP0790206B1 (fr) * 1996-02-14 2001-04-25 MAN Roland Druckmaschinen AG Procédé et dispositif de changement automatique de piles
DE19708125A1 (de) * 1997-02-28 1998-09-03 Bielomatik Leuze & Co Stapler
US5970833A (en) * 1997-07-17 1999-10-26 Elsner Engineering Works, Inc. Stacking machine and method
BR0002821A (pt) * 2000-05-11 2001-12-04 Net 2 Net Empresa Paulista De Sistema de interconexão de usuários à redemundial de computadores, internet, sem uso delinhas telefônicas tradicionais ou cabos coaxiaisde televisão a cabo
US6688083B1 (en) * 2000-11-17 2004-02-10 Lockheed Martin Corporation Drop control mechanism for flat articles
DE10161891B4 (de) * 2001-01-19 2017-09-14 Heidelberger Druckmaschinen Ag Verfahren zur Regelung bogenförmiges Material führender Elemente
AUPR292501A0 (en) * 2001-02-07 2001-03-01 Silverbrook Research Pty. Ltd. A method and apparatus (ART100)
DE10134425A1 (de) * 2001-07-19 2003-02-06 Jagenberg Querschneider Gmbh Vorrichtung zum Stapeln von Bögen, insbesondere von geschuppt zugeförderten Papier- oder Kartonbögen auf Paletten
DE10318573A1 (de) * 2002-05-27 2003-12-11 Heidelberger Druckmasch Ag Vorrichtung zum seitenkantengleichen Stapeln von blattförmigen Bedruckstoffen
JP4448121B2 (ja) * 2006-10-31 2010-04-07 キヤノン株式会社 シート積載装置及び画像形成装置
DE102008054815A1 (de) 2008-12-17 2010-07-01 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Ausrichten von Bogen im Ausleger einer Bogen verarbeitenden Maschine
JP5669920B1 (ja) 2013-11-13 2015-02-18 三菱重工印刷紙工機械株式会社 スケアリング装置及びカウンタエゼクタ並びに製函機
US9896295B2 (en) * 2014-11-25 2018-02-20 A.G. Stacker Inc. Buffer, stacking system including the buffer, and method of buffering
US10329114B2 (en) 2015-11-17 2019-06-25 A. G. Stacker Inc. Stacker hopper with feed interrupt
US10843889B2 (en) 2015-11-17 2020-11-24 A.G. Stacker Inc. Stacker hopper with feed interrupt

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2942965A1 (de) * 1979-10-24 1981-05-07 Automation für grafische Technik AG, 4005 Meerbusch Stapeleinrichtung insbesondere fuer druckmaschinen
DE3823806C2 (fr) * 1988-07-14 1990-08-30 Jagenberg Ag, 4000 Duesseldorf, De
EP0409046A1 (fr) * 1989-07-15 1991-01-23 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Receveur de feuilles pour machines à imprimer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733064A (en) * 1956-01-31 martin
US2274713A (en) * 1940-12-14 1942-03-03 Fred M Brackett Post for jogging machines
US2624577A (en) * 1950-09-07 1953-01-06 William R Peugnet Paper jogging machine
DE8527621U1 (de) * 1985-09-27 1985-11-21 Jagenberg AG, 4000 Düsseldorf Bogenableger
DE3721393A1 (de) * 1987-06-29 1989-01-12 Heinz Dipl Ing Hohenschutz Vorrichtungen fuer bogenablagen insbesondere an querschneidern in der papier- und kartonindustrie
DE8804066U1 (de) * 1988-03-25 1988-05-11 Jagenberg AG, 4000 Düsseldorf Schütteleinrichtung für Bogenabstapelvorrichtung
DE8903802U1 (de) * 1989-03-28 1989-06-08 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Bogenausleger an Rotationsdruckmaschinen
US5014974A (en) * 1990-01-16 1991-05-14 Numerical Concepts, Inc. In-line, continuous paper batching system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2942965A1 (de) * 1979-10-24 1981-05-07 Automation für grafische Technik AG, 4005 Meerbusch Stapeleinrichtung insbesondere fuer druckmaschinen
DE3823806C2 (fr) * 1988-07-14 1990-08-30 Jagenberg Ag, 4000 Duesseldorf, De
EP0409046A1 (fr) * 1989-07-15 1991-01-23 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Receveur de feuilles pour machines à imprimer

Also Published As

Publication number Publication date
ES2079226T5 (es) 1999-01-16
FI933035A0 (fi) 1993-07-01
DE59300527D1 (de) 1995-10-05
EP0576820B1 (fr) 1995-08-30
ES2079226T3 (es) 1996-01-01
EP0576820B2 (fr) 1998-09-02
FI933035A (fi) 1994-01-03
DE4221660A1 (de) 1994-01-05
JPH06156858A (ja) 1994-06-03
US5368288A (en) 1994-11-29
DE4221660C2 (de) 1994-10-13

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