EP0453835B1 - Margeur pour une machine consommant des feuilles de papier - Google Patents

Margeur pour une machine consommant des feuilles de papier Download PDF

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Publication number
EP0453835B1
EP0453835B1 EP91105365A EP91105365A EP0453835B1 EP 0453835 B1 EP0453835 B1 EP 0453835B1 EP 91105365 A EP91105365 A EP 91105365A EP 91105365 A EP91105365 A EP 91105365A EP 0453835 B1 EP0453835 B1 EP 0453835B1
Authority
EP
European Patent Office
Prior art keywords
air
sheet
feeder
trailing edge
separate
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 - Lifetime
Application number
EP91105365A
Other languages
German (de)
English (en)
Other versions
EP0453835A2 (fr
EP0453835A3 (en
Inventor
Dieter Bergmeier
Jürgen Zeltner
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen 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
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Priority to AT91105365T priority Critical patent/ATE101580T1/de
Publication of EP0453835A2 publication Critical patent/EP0453835A2/fr
Publication of EP0453835A3 publication Critical patent/EP0453835A3/de
Application granted granted Critical
Publication of EP0453835B1 publication Critical patent/EP0453835B1/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
    • 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

Definitions

  • the invention relates to a feeder for sheets in a sheet-processing machine, in particular a sheet-fed rotary printing press, which has the generic features according to the preamble of claim 1.
  • blowing nozzles for pre-loosening are arranged adjacently in a row and are directed at the top sheet in the sheet stack at the sheet trailing edge and are continuously supplied with blowing air from a central blowing air source.
  • the feed to other blowing nozzles, which are different in design from the former, can be regulated in the feeder working cycle in order to form a kind of air cushion made of carrier air for the upper sheet, which is lifted off by a suction cup.
  • the adaptation to different sheet material, in particular to different paper qualities takes place by adjusting the height and the direction of action of the nozzles, the air flow and by appropriate selection of the nozzle shapes.
  • DE-PS 1 699 507 For the purpose of achieving a better mounting of the sheet after lifting it from the sheet stack and an improved function of the feeder, it is known from DE-PS 1 699 507 to increase the number of separating suction devices and also an increased number of drag suction devices in several over the Arranging rows of sheet width in succession in the conveying direction of the sheet, but this results in a considerable additional effort and the air requirement, and thus also the energy requirement, increases accordingly.
  • the object of the invention is to achieve an increase in the operational reliability of the feeder regardless of the quality of the sheet material to be processed and an increase in the printing speed with inexpensive means and a lower energy expenditure.
  • the invention solves this problem by training features according to the characterizing part of patent claim 1.
  • air is expelled from the separate blast air source advantageously via the nozzles in this foot and others , adjacent air-jet nozzles, which can be directed obliquely to the side from the center of the bow in a known manner, or possibly only via one of these two blowing nozzles.
  • the supply of the air nozzles (in the feeler foot and in the air blowers) and loosening blowers with separate blown air is advantageously carried out by a relatively small compressor via a control valve, which is designed as a rotary valve and is coupled to the drive of the suction head, in particular drive elements of the feeler foot.
  • This feature has a particular advantage because it makes synchronous operation of the rotary valve with the drive elements of the suction head, in particular the feeler foot, easier and the blowing times for the separate blowing air can be determined more precisely and possibly also be extremely short.
  • the separate supply of the blowing nozzles for the carrier air and for the separating air can be controlled more individually, since this blowing air is independent of the conditions of the general blowing air supply.
  • this separate blown air supply for separating and blowing under the lifted sheet enables higher pressures, with possibly reduced blowing times.
  • the general blowing air generation does not have to generate the higher pressure, but can possibly work with a reduced pressure, which is an economic advantage.
  • some of the trailing edge blowers provided on the trailing edge in the region of the upper sheets of the sheet stack are Can also be connected to the separate blown air supply, which increases the flexibility to adapt to special operating conditions due to the higher pressure available.
  • Figures 1 and 2 show a plan view of the uppermost sheet 1 in the sheet stack and on the suction head 2 shown as a block diagram.
  • the tactile foot 3 driven in the work cycle of the feeder.
  • the separating device for example consisting of one or more suction cups, for lifting the uppermost sheet from the sheet stack is not shown in the drawing for the sake of a better overview. This separating device can be designed in a conventional manner.
  • loosening blowers 4 In the area of the rear edge of the upper sheet 1 in the sheet stack, loosening blowers 4 (FIGS. 3 and 5) directed to the rear sheet edge are arranged in a row next to one another in a row on a transverse tube 5. On the tube 5, trailing edge blowers 10 offset from the center are arranged as loosening blowers for separating the uppermost sheet. To the side of the sheet stack, further diagonal blowers 6 are provided in the area of the upper sheet. The trailing edge blower 10 and the diagonal blower 6 are permanently supplied with blown air from a central air supply 8 or another blown air source in the circuit diagram according to FIG. 1 via feed lines 7. For the blowing nozzles 9 in the feeler foot 3 (FIGS.
  • a separate blowing air supply is provided by means of a compressor 12 which is considerably less powerful than the central unit provided that is effective and controllable independently of the central air supply 8 with an increased pressure. If necessary, however, the rear edge blower 10 can also be supplied with separate blowing air.
  • the blown air from the separate compressor 12 is fed and controlled through line 13 via a rotary valve 14, the rotary valve 14 being coupled to drive elements of the suction head, preferably to drive elements of the sensing foot 3, so that the rotary valve 14 is synchronous with the Feet movement around runs and enables exact control of the separate blowing air in the nozzles 9 and blowers 11.
  • nozzles in the trailing edge blowers 10 can be supplied with the separate blowing air from the compressor 12 or another source of separate blowing air, if this increases the operational reliability when separating and in particular when lifting the top sheet from Sheet stack is achievable.

Landscapes

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

Claims (4)

  1. Table de marge de feuilles d'une machine de traitement de feuilles, dans laquelle des buses soufflantes (4, 6, 10) destinées à desserrer la feuille supérieure d'une pile sont orientées au moins sur le bord arrière de la feuille supérieure de la pile et des buses soufflantes (9, 11), qui soufflent de l'air porteur, au rythme de travail de la table de marge, du bord arrière des feuilles sous la feuille supérieure (1) soulevée de la pile par un dispositif de séparation, sont prévues, caractérisée en ce que les buses soufflantes (9, 11) d'air porteur reçoivent l'air de soufflage provenant d'une source séparée (12) d'air de soufflage, qui est réglable indépendamment d'une alimentation centrale (8) en air de soufflage de la table de marge, au rythme de travail de la table de marge et au moyen d'un distributeur de commande (14) commandé en synchronisme avec le dispositif de séparation.
  2. Table de marge selon la revendication 1 équipée d'un pied palpeur (3) commandé de manière à effectuer un mouvement oscillant vers l'intérieur et vers l'extérieur et se posant périodiquement au rythme de travail sur le bord arrière de la feuille supérieure (1) de la pile, caractérisée en ce que l'entraînement distributeur (14) (tiroir tournant) de commande de l'air porteur séparé, envoyé en synchronisme aux buses soufflantes (9, 11) est accouplé à l'entraînement du pied palpeur (3).
  3. Table de marge selon les revendications 1 et 2, caractérisée en ce que l'alimentation des buses soufflantes (9, 11) destinées à l'air porteur s'effectue de manière saccadée.
  4. Table de marge selon les revendications précédentes, caractérisée en ce que d'autres éléments (10) soufflant sur le bord arrière, alimentés en permanence en air de soufflage et pouvant être raccordés sélectivement aussi à la source séparée d'air de soufflage (12) sont disposés sur le bord arrière de la pile, à côté des éléments soufflants de desserrage (4) reliés à la source séparée d'air de soufflage (12) et alimentés en air de soufflage au rythme de travail de la machine.
EP91105365A 1990-04-27 1991-04-04 Margeur pour une machine consommant des feuilles de papier Expired - Lifetime EP0453835B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91105365T ATE101580T1 (de) 1990-04-27 1991-04-04 Anleger fuer bogen in einer bogenverarbeitenden maschine.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4013494 1990-04-27
DE4013494 1990-04-27
DE4105967A DE4105967C2 (de) 1990-04-27 1991-02-26 Bogenanleger mit Blasdüsen zur Erzeugung von Tragluft unter dem oberen, vom Bogenstapel abgehobenen Bogen
DE4105967 1991-02-26

Publications (3)

Publication Number Publication Date
EP0453835A2 EP0453835A2 (fr) 1991-10-30
EP0453835A3 EP0453835A3 (en) 1992-01-22
EP0453835B1 true EP0453835B1 (fr) 1994-02-16

Family

ID=25892612

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91105365A Expired - Lifetime EP0453835B1 (fr) 1990-04-27 1991-04-04 Margeur pour une machine consommant des feuilles de papier

Country Status (6)

Country Link
US (1) US5092578A (fr)
EP (1) EP0453835B1 (fr)
JP (1) JP2609773B2 (fr)
AU (1) AU641236B2 (fr)
CA (1) CA2040573C (fr)
DE (2) DE4105967C2 (fr)

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FR2703670B1 (fr) * 1993-04-07 1995-06-16 Bourg Christian Assembleuse de feuilles a cases superposees.
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DE4326927A1 (de) * 1993-08-11 1995-02-16 Heidelberger Druckmasch Ag Vorrichtung für Luftsteuerung bei Bogenanlegern von Druckmaschinen
US5645274A (en) * 1993-09-22 1997-07-08 Canon Kabushiki Kaisha Sheet supply apparatus
DE9319902U1 (de) * 1993-12-24 1994-02-10 Heidelberger Druckmaschinen Ag, 69115 Heidelberg Vorrichtung zur Unterstützung der Bogenvereinzelung im oberen Bereich eines Anlegerstapels
US5836582A (en) * 1994-04-04 1998-11-17 Canon Kabushiki Kaisha Sheet feeding device with air injectors for separating sheets
US5984622A (en) * 1994-08-29 1999-11-16 Asomm, Inc. Method and apparatus for separating a predetermined number of sheets from a stack of sheets
US5722811A (en) * 1994-08-29 1998-03-03 Asomm, Inc. Method for separating a predetermined number of sheets from a stack of sheets
DE29503618U1 (de) * 1995-03-03 1995-04-20 Heidelberger Druckmaschinen Ag, 69115 Heidelberg Vorrichtung zur Bogenlockerung
US5818508A (en) * 1995-10-06 1998-10-06 Gerber Systems Corporation Imaging device and media handling apparatus
DE19741276B4 (de) * 1997-09-19 2004-08-05 Koenig & Bauer Ag Einrichtng zur Vorlockerung
EP0924135A1 (fr) * 1997-12-16 1999-06-23 Involvo Ag Dispositif pour alimenter une machine d'emballage
KR100317432B1 (ko) * 1999-07-16 2001-12-22 김양평 라미네이터용 피착물 자동공급장치
US6629692B2 (en) 2000-02-25 2003-10-07 Nexpress Solutions Llc Device for separating an uppermost sheet from a supply stack by means of air blowers
DE10008909B4 (de) * 2000-02-25 2011-05-12 Eastman Kodak Co. Vorrichtung zum Separieren eines obersten Blattes von einem Vorratsstapel mittels Luftblasmitteln
US6450493B1 (en) * 2000-12-07 2002-09-17 Xerox Corporation Image transfer apparatus shuttle feeder module
AUPR292501A0 (en) * 2001-02-07 2001-03-01 Silverbrook Research Pty. Ltd. A method and apparatus (ART100)
IL143894A0 (en) * 2001-06-20 2002-04-21 Apparatus and method for dispensing sheets
JP3592275B2 (ja) * 2001-08-29 2004-11-24 コニカミノルタホールディングス株式会社 給紙装置
DE102004007404B4 (de) * 2003-03-12 2022-04-07 Heidelberger Druckmaschinen Ag Bogenhinterkanten-Anhebung
JP4605340B2 (ja) * 2004-01-29 2011-01-05 修二郎 藤本 丁合い機における折丁取出し装置
US7373339B2 (en) * 2004-07-06 2008-05-13 Sap Ag Method and system for linking personnel, organizational, and budgetary elements
US7458570B2 (en) * 2004-09-13 2008-12-02 Ricoh Printing Systems, Ltd. Sheet-supplying device
JP2006213437A (ja) * 2005-02-02 2006-08-17 Komori Corp シート状物搬送装置
DE102005035331A1 (de) * 2005-07-28 2007-02-01 Kolbus Gmbh & Co. Kg Verfahren und Vorrichtung zum Zusammentragen von Druckbogen
DE102008044111A1 (de) 2008-11-27 2010-06-02 Koenig & Bauer Aktiengesellschaft Bogenanleger mit mindestens einem Tragluftbläser
JP5831802B2 (ja) * 2011-10-06 2015-12-09 株式会社リコー シート給送装置及び画像形成装置
CN104582873B (zh) * 2012-06-22 2017-07-28 固都集团股份公司 用于从工件堆的顶部移开大体平面工件的方法和设备
DE102014216945A1 (de) 2013-08-26 2015-02-26 Koenig & Bauer Aktiengesellschaft Einrichtung zum Ausrichten von Bogen in einem Bogenanleger nach der Bogenvorderkante
BE1025706B1 (nl) * 2017-11-14 2019-06-18 INNOVATEC besloten vennootschap Inrichting en werkwijze voor het verwijderen van afgekeurde eieren binnen boerderijen
EP3759463B1 (fr) * 2018-02-27 2025-03-26 Georgia Tech Research Corporation Systèmes, dispositifs et procédés fournissant des barrières hydrodynamiques
KR20210059736A (ko) * 2018-09-12 2021-05-25 에이에스티이에스포 에스에이 분리 포일을 자동 제거하는 시트 취급 장치 및 그 방법
IT201900002573A1 (it) 2019-02-22 2020-08-22 Astes4 Sa Apparecchiatura di sfogliamento perfezionata per il prelievo automatico di lamiere da una pila di lamiere
CN110422657B (zh) * 2019-08-27 2024-03-08 禾准电子科技（昆山）有限公司 一种片料供料机
EP4282795A1 (fr) * 2022-05-25 2023-11-29 Horizon Inc. Appareil d'alimentation en feuilles et appareil de séparation de feuilles
JP2024018712A (ja) * 2022-07-29 2024-02-08 富士フイルムビジネスイノベーション株式会社 送出装置及び画像形成装置
DE102023122038A1 (de) * 2023-08-17 2025-02-20 Koenig & Bauer Ag Anleger einer bogenverarbeitenden Maschine und Verfahren zum Betreiben eines Anlegers einer bogenverarbeitenden Maschine
DE102023122040B4 (de) * 2023-08-17 2026-03-26 Koenig & Bauer Ag Anleger einer bogenverarbeitenden Maschine und Verfahren zum Betreiben eines Anlegers einer bogenverarbeitenden Maschine
CN117142193B (zh) * 2023-08-29 2026-03-13 深圳速英科技有限公司 一种自动定位抓取装置及其控制方法

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Also Published As

Publication number Publication date
EP0453835A2 (fr) 1991-10-30
US5092578A (en) 1992-03-03
EP0453835A3 (en) 1992-01-22
CA2040573A1 (fr) 1991-10-28
AU641236B2 (en) 1993-09-16
CA2040573C (fr) 1994-08-30
DE4105967A1 (de) 1991-10-31
DE59101014D1 (de) 1994-03-24
JP2609773B2 (ja) 1997-05-14
JPH04226227A (ja) 1992-08-14
AU7535091A (en) 1991-11-07
DE4105967C2 (de) 1993-11-25

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