EP1748010B1 - Procédé et dispositif pour assembler des feuilles - Google Patents

Procédé et dispositif pour assembler des feuilles Download PDF

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Publication number
EP1748010B1
EP1748010B1 EP06015423A EP06015423A EP1748010B1 EP 1748010 B1 EP1748010 B1 EP 1748010B1 EP 06015423 A EP06015423 A EP 06015423A EP 06015423 A EP06015423 A EP 06015423A EP 1748010 B1 EP1748010 B1 EP 1748010B1
Authority
EP
European Patent Office
Prior art keywords
stack
sheet
conveying
sheets
side wall
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.)
Not-in-force
Application number
EP06015423A
Other languages
German (de)
English (en)
Other versions
EP1748010A3 (fr
EP1748010A2 (fr
Inventor
Andreas Walther
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.)
Kolbus GmbH and Co KG
Original Assignee
Kolbus GmbH and Co KG
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 Kolbus GmbH and Co KG filed Critical Kolbus GmbH and Co KG
Publication of EP1748010A2 publication Critical patent/EP1748010A2/fr
Publication of EP1748010A3 publication Critical patent/EP1748010A3/fr
Application granted granted Critical
Publication of EP1748010B1 publication Critical patent/EP1748010B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H1/04—Supports or magazines for piles from which articles are to be separated adapted to support articles substantially horizontally, e.g. for separation from top of pile
    • B65H1/06—Supports or magazines for piles from which articles are to be separated adapted to support articles substantially horizontally, e.g. for separation from top of pile for separation from bottom of 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
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/085—Suction grippers separating from the bottom of 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
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/48—Air blast acting on edges of, or under, articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/02—Associating,collating or gathering articles from several sources
    • B65H39/04—Associating,collating or gathering articles from several sources from piles
    • B65H39/043—Associating,collating or gathering articles from several sources from piles the piles being disposed in juxtaposed carriers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/02—Associating,collating or gathering articles from several sources
    • B65H39/04—Associating,collating or gathering articles from several sources from piles
    • B65H39/055—Associating,collating or gathering articles from several sources from piles by collecting in juxtaposed carriers
    • 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
    • B65H2301/43—Gathering; Associating; Assembling
    • B65H2301/435—Gathering; Associating; Assembling on collecting conveyor
    • B65H2301/4352—Gathering; Associating; Assembling on collecting conveyor with pushers, e.g. the articles being substantially horizontal
    • 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
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
    • 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
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4478—Transport device acting on edge of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed

Definitions

  • the invention relates to a method and a device for collating printed sheets, in particular folded sheets and / or single sheets, according to the preamble of claim 1 or 5.
  • Collating machines are known with arranged in a row landing stations, each consisting of a magazine for receiving a folded sheet stack, from a trigger drum with a gripper mechanism for detecting and subtracting a respective bottom folded from the folded sheet pile folding sheet and an intermediate support for temporary storage of the individual folded sheet.
  • the accumulation conveyor has a Falzbogenabzugsraum perpendicular oriented collection channel in which move a conveyor chain, which strip the individual folded sheets of the individual intermediate pads and gather together to form a book block on the collection channel.
  • DE 14 86 744 B is such a working with direction change collating machine shown. It also has reciprocating intermediate tables, whereby the individual folded sheets are pre-accelerated for the entrainment by the carriers of the collecting conveyor.
  • a gathering machine with landing stations according to the longitudinal withdrawal principle is known, with a Falzbogenstapel in the magazine, leaving a folded edge bearing and the lowest folded sheet timely advancing conveyor belt and with the advanced folded sheet and further transporting deduction conveyor system, formed by acceleration rollers.
  • the deduction conveyor system is still arranged downstream of a trained from a lower and upper conveyor belt clamping conveyor, which is inclined towards the accumulation conveyor and stores the occasional folded sheet in synchronous conveying movement in front of the respective carrier of the accumulation conveyor on the stack formed up to that point. The separated from the landing stations folded sheets are fed without direction change the accumulation conveyor.
  • a disadvantage of the known separating devices is that the weight of the folded sheet stack rests on the respectively lowermost folding sheet with the consequence of corresponding frictional forces between the lowermost sheet to be drawn off and the following folded sheet of the stack. This can lead to markings on sensitive surfaces. In addition, there is a risk that the following folded sheet is entrained. To minimize the frictional forces stack lifter and Blas Kunststoffdüsen are used, with the blowing air an air cushion between the lowermost and the following folded sheet is to be generated. This often succeeds only partially, since the introduced blast air escapes from the stack according to the principle of least resistance.
  • a sheet separating device in which a suction element is used to produce a bulge open to the edge in the lowermost arc of the sheet stack carried by a conveyor belt, leaving a marginal area free. Blowing air is blown into the bulge by means of a nozzle pivoted into the bulge, whereby an air cushion emanating from the bulge is to form as a thin air film between the lowermost sheet and the stack to reduce the friction in the sliding plane between the lowermost one subsequently fed by the conveyor belt Bow and the pile.
  • the stack Since the thin air film - as outlined above - only partially formed, the stack is not completely supported by the air cushion, but still relies in certain places on the bottom sheet, resulting in corresponding friction during advancement, which is why trained on the stack lifter Blas Kunststoffdüse a stop edge is provided for retaining possibly entrained bow in the remainder of the pile.
  • the present invention has for its object to provide a method and apparatus for collating sheet, in particular signatures and / or single sheets, according to the preamble of claim 1 and claim 5, which allow a reliable and gentle product gentle separation of the sheet.
  • the idea of the invention lies in the fact that the printed sheet stack is carried in the magazine by an air cushion, whereby the air cushion immediately forms between the lowest printed sheet and the remainder stack with the lifting off of the respectively lowest printed sheet without the air cushion collapsing.
  • the stack is also carried by the air cushion at a constant level when the lowermost signature is lifted, while the lifted signature is carried away from the stack within the air cushion and finally completely separated from the stack by the air cushion, thereby allowing a frictionless exit port.
  • the air cushion is generated by a laterally introduced below the stack blowing air flow. It is expedient if the lowermost sheet in the area of the blast air flow is lifted off the stack. As soon as the blast air flow reaches between the partially lifted printed sheet and the remaining stack, the air cushion forms there, namely, the sheet being instantaneously completely separated from the stack.
  • a preferred embodiment of the method according to the invention provides that the printed sheet completely separated from the stack is pressed by the pressure of the air cushion onto a conveying surface presenting a support surface, whereby a slip-poor acceleration to a high exporting speed is made possible.
  • the invention provides that by venting the air cushion a certain altitude of the stack bottom side is maintained. In conjunction with the amount of air supplied to the air cushion results from the venting a simple pressure control for the air cushion.
  • the stack is supported at an angle inclined by the air cushion, wherein an outer side of the stack is supported on a wall weight relieving.
  • a preferred embodiment of the invention provides that the printed sheet is conveyed away parallel to the conveying direction of the collecting conveyor and fed to the collecting conveyor substantially at a synchronous conveying speed. The sheets separated from the magazine are fed to the collecting conveyor without change of direction.
  • the figures show a gathering machine designated as a whole by 1, which is essentially formed by a collecting conveyor 10 and a plurality of laying stations 15 arranged in series above it, wherein only a single landing station is shown in the figures for reasons of illustration.
  • a single folded sheet 3 is removed from a stack 4 same folded sheet and fed to the accumulation conveyor 10 for stack formation in each case.
  • the collecting conveyor 10 is formed of a conveying channel 11, with an inclined channel bottom 11 b and a perpendicular channel wall 11 a, and one in (collecting) conveying direction F with a continuous conveying speed v S driven conveyor chain 12 with arranged in the same mutual distance , the book block 2 formed in the conveyor channel 11 in front of her pushing drivers 13, wherein the back 3 a of the book block or the signatures 3 abuts against the vertical channel wall 11 a.
  • the inventively designed landing station 15 has a magazine 20 with lateral magazine boundaries 21 a to d and with a pelvis 23 as a lower part in which by feeding a Blas Kunststoffstroms V a Falzbogenstapel 4 supporting air cushion LP is formed.
  • the basin 23 is formed by a front and a rear side wall 24 a and b, a left and a right side wall 25 and 26 and a bottom 27th
  • the magazine 20 with the pelvis 23 is arranged inclined at an angle such that the folded sheets create in the folded sheet stack 4 with her back 3 a to the right side wall 26.
  • the right side wall 26 has up to the upper magazine area extending conveyor belt 22 with profiled wings, which provide for a further weight relief and at the same time serve to Nachellen the folded sheet stack 4.
  • the Blas Kunststoffstrom V is introduced with a arranged in the right side wall 26, connected to a Blas Kunststoffska not shown Blas Kunststoffdüse 29 into the basin 23 and escapes when resting a folded sheet stack 4 mainly through vents 25 a in the opposite side wall 25. It creates an air cushion LP with a pressure P to the atmosphere, which is able to carry the folding sheet stack 4 according to the hovercraft principle.
  • the Tragieri is in the area of the vents 25 a, which allow easy pressure control: with the resting of the folded sheet stack 4 on the air cushion LP, the vents 25 a partially covered, whereby their effective passage cross-section for discharging the air cushion LP vents Operablas Kunststoffströme V i reduced is.
  • the air cushion LP raises the folded sheet stack 4, which leads to an increase in the passage cross section with the result of a corresponding pressure drop in the air cushion LP until the pressure P is again in equilibrium with the stack weight of the folded sheet stack 4 to be supported.
  • the effective passage cross-section is reduced so that an air cushion LP adjusts with a correspondingly higher pressure P.
  • the separating device for separating the respective lowermost folding sheet 3 from the magazine 20 has at least one nipple 30 which acts clockwise in the rear, near-edge edge region on the signatures 3 and lifts the signatures 3 in the region of the Blas Kunststoffdüse 29 from the folded sheet stack 4 down.
  • the Blas Kunststoffstrom V passes into the space between the raised and the following folding sheet, whereby the air cushion LP is formed in the space and the bottom most folded sheet 3 is completely separated from the folded sheet stack 4 instantly.
  • Clockwise moving stack lifter 32 in the right side wall 26 thereby support the remaining stack and ensure that the folded sheet stack 4 is still maintained at the constant Tragieri.
  • the completely separated from the folded sheet stack 4 signatures 3 is pressed by the pressure P of the air cushion LP lying flat on the bottom 27 of the basin 23 and pressed in particular on a parallel to the collecting conveyor 10 in the bottom, continuously driven conveyor belt 31, whereby a schlupfarme acceleration on a high, approximately at the (collecting) conveying speed v S lying exporting speed v H is made possible.
  • the signatures 3 is transported absolutely frictionless to the folded sheet stack 4 through an exit gap 28 in the front side wall 24 a, wherein the further transport outside of the magazine 20 is ensured by pressure rollers 34 which act on the out of the magazine 20 reaching out conveyor belt 31.
  • the transported out folded sheet 3 is transported from a conveyor belt 10 inclined to the accumulation conveyor 35, formed from a lower and upper conveyor belt 36, 37 and a support plate 38 to the collecting conveyor 10 and transported at the conveying speed v H before the respective driver 13.
  • the individual folded sheet 3 is thus transported without change of direction from the magazine 20 and supplied with almost synchronous conveying speed v H the collecting conveyor 10 for stack formation.
  • support rods 33 For initial filling of the magazine 20 find support rods 33 use, which are inserted at the level of Tragieris through the vents 25 a in the magazine 20 and form a rake-shaped wing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Claims (11)

  1. Procédé pour assembler des feuilles d'impression, notamment des feuilles pliées (3) et/ou des pages individuelles,
    • à partir de plusieurs collections (4) de feuilles d'impression, chaque fois une feuille d'impression (3) individuelle étant prélevée et
    • les feuilles d'impressions (3) désolidarisées étant amenées vers un convoyeur collectif (10) pour former des piles,
    caractérisé en ce que
    • les feuilles d'impression (3) d'une collection sont mises à disposition sous la forme d'une pile (4), la pile (4) étant portée sensiblement par un coussin d'air (LP) créé dans un élément inférieur (23) en forme de cuvette par alimentation d'un flux d'air de soufflage (V) selon le principe Hovercraft,
    • l'élément inférieur (23) en forme de cuvette comportant un fond (27) et des parois latérales avant et arrière (24 a, b) ainsi que des parois latérales gauche et droite (25, 26),
    • l'élément inférieur (23) en forme de cuvette étant incliné sous un angle, de telle sorte que les feuilles d'impression (3) s'appuient par leur dos (3 a) à la paroi latérale droite (26), la paroi latérale droite (26) comportant des courroies de transport (22) profilées, susceptibles de soutenir et de faire suivre la pile (4),
    • avec une buse de soufflage (29) disposée dans la paroi latérale droite (26), le flux d'air de soufflage (V) étant introduit dans l'élément inférieur (23) en forme de cuvette et le niveau de portage de la pile (4) étant défini par des perçages de désaération (25 a) prévus dans la paroi latérale gauche (25) opposée,
    • en ce que la feuille d'impression (3) inférieure est soulevée au moins en partie de la pile (4) par un outil de séparation (30),
    • en ce que le coussin d'air (LP) se forme entre la feuille d'impression (3) inférieure (4) et le reste de la pile et
    • en ce que la feuille d'impression (3) est transportée vers le convoyeur collecteur (10).
  2. Procédé selon la revendication 1, caractérisé en ce que la feuille d'impression inférieure (3) est soulevée de la pile (4) dans la zone du flux d'air de soufflage (V) et ensuite entièrement séparée de la pile (4) par le flux d'air de soufflage (V).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la feuille d'impression (3) entièrement séparée de la pile (4) est pressée par la pression (P) du coussin d'air (LP) sur un moyen de convoyage (31) offrant une surface d'appui.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la feuille d'impression (3) est évacuée à la parallèle de la direction de transport (F) du convoyeur collecteur (10) et est alimentée vers le convoyeur collecteur (10) à une vitesse de transport (vH) sensiblement synchrone.
  5. Dispositif pour assembler des feuilles d'impression, notamment des feuilles pliées (3) et/ou des pages individuelles,
    • avec plusieurs dispositifs de désolidarisation (15) disposés en une rangée pour prélever chaque fois une feuille d'impression (3) individuelle dans des collections (4) de feuilles d'impression identiques et
    • avec un convoyeur collecteur (10) pour les piles assemblées (2), consistant dans un canal collecteur (11) et dans une chaîne de transport (12) avec des entraîneurs (13), dont les feuilles d'impressions (3) désolidarisées sont amenées pour la formation d'une pile,
    caractérisé
    • par un magasin (20) pour recevoir chaque fois une pile (4) de feuilles d'impression identiques,
    • avec un élément inférieur (23) en forme de cuvette, qui pour créer un coussin d'air (LP) portant la pile (4) selon le principe Hovercraft est relié à une source d'air de soufflage,
    • l'élément inférieur (23) en forme de cuvette comportant un fond (27) et des parois latérales avant et arrière (24 a, b) ainsi que des parois latérales gauche et droite (25, 26),
    • l'élément inférieur (23) en forme de cuvette étant incliné sous un angle, de telle sorte que par leur dos (3 a), les feuilles d'impression (3) s'appuient sur la paroi latérale droite (26), la paroi latérale droite (26) comportant des courroies de transport (22) profilées, susceptibles de soutenir et de faire suivre les piles (4),
    • avec une buse de soufflage (29) disposées dans la paroi latérale droite (26), le flux d'air de soufflage (V) étant introduit dans l'élément inférieur (23) en forme de cuvette et le niveau de portage de la pile (4) étant défini par des perçages de désaération (25 a) prévus dans la paroi latérale gauche (25) opposée,
    • par un dispositif de séparation (30) pour soulever au moins une partie de la feuille d'impression inférieure (3) de la pile (4) et
    • par un dispositif de convoyage (31, 35) pour transférer la feuille d'impression (3) séparée de la pile (4) par le coussin d'air (LP) vers le convoyeur collecteur (10).
  6. Dispositif selon la revendication 5, caractérisé en ce que le dispositif de séparation comprend au moins une tête aspirante (30) pour soulever la feuille d'impression (3) inférieure de la pile (4).
  7. Dispositif selon la revendication 6, caractérisée en ce que la tête aspirante (30) est disposée dans la zone de la buse d'air de soufflage (29).
  8. Dispositif selon l'une quelconque des revendications 5 à 7, caractérisé par un preneur de piles (32) portant la pile (4) dans la zone marginale, déplaçable hors du magasin (20) ou de l'élément inférieur (23) au soulèvement d'une feuille inférieure (3).
  9. Dispositif selon l'une quelconque des revendications 5 à 8, caractérisé en ce que le dispositif de transport comprend und bande de transport (31) s'étendant sur le fond (27) de l'élément inférieur (23), sur lequel la feuille inférieure (3) séparée de la pile (4) est pressée par le coussin d'air (LP).
  10. Dispositif selon l'une quelconque des revendications 5 à 9, caractérisé par un interstice de sortie (28) dans l'élément inférieur (23), à travers laquelle la feuille d'impression (3) séparée est évacuée.
  11. Dispositif selon l'une quelconque des revendications 5 à 10, caractérisé en ce que le dispositif de convoyage (31) est orienté sensiblement à la parallèle de la direction de transport (F) du convoyeur collecteur (10).
EP06015423A 2005-07-28 2006-07-25 Procédé et dispositif pour assembler des feuilles Not-in-force EP1748010B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005035331A DE102005035331A1 (de) 2005-07-28 2005-07-28 Verfahren und Vorrichtung zum Zusammentragen von Druckbogen

Publications (3)

Publication Number Publication Date
EP1748010A2 EP1748010A2 (fr) 2007-01-31
EP1748010A3 EP1748010A3 (fr) 2008-04-02
EP1748010B1 true EP1748010B1 (fr) 2012-02-29

Family

ID=37198977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06015423A Not-in-force EP1748010B1 (fr) 2005-07-28 2006-07-25 Procédé et dispositif pour assembler des feuilles

Country Status (4)

Country Link
US (1) US7635126B2 (fr)
EP (1) EP1748010B1 (fr)
JP (1) JP2007031154A (fr)
DE (1) DE102005035331A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012008236A1 (de) * 2011-09-10 2013-03-14 Kolbus Gmbh & Co. Kg Verfahren und Vorrichtung zum Zusammentragen von losen Buchblocks
CH706769A1 (de) 2012-07-27 2014-01-31 Ferag Ag Vorrichtung zum Abtrennen von einzelnen flachen, biegbaren Gegenständen von der Unterseite eines Stapels solcher Gegenstände.
CN114348645A (zh) * 2022-01-21 2022-04-15 固安县铭成印刷有限公司 一种交错书堆分离装置

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Also Published As

Publication number Publication date
US7635126B2 (en) 2009-12-22
US20070023993A1 (en) 2007-02-01
DE102005035331A1 (de) 2007-02-01
EP1748010A3 (fr) 2008-04-02
EP1748010A2 (fr) 2007-01-31
JP2007031154A (ja) 2007-02-08

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