EP2065322B1 - Procédé destiné à démarrer/redémarrer une presse au sol - Google Patents

Procédé destiné à démarrer/redémarrer une presse au sol Download PDF

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Publication number
EP2065322B1
EP2065322B1 EP08170114.6A EP08170114A EP2065322B1 EP 2065322 B1 EP2065322 B1 EP 2065322B1 EP 08170114 A EP08170114 A EP 08170114A EP 2065322 B1 EP2065322 B1 EP 2065322B1
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EP
European Patent Office
Prior art keywords
sheet
printed
starting
printing
separator
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.)
Active
Application number
EP08170114.6A
Other languages
German (de)
English (en)
Other versions
EP2065322A3 (fr
EP2065322A2 (fr
Inventor
Stefan Singer
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.)
Koenig and Bauer AG
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Koenig and Bauer AG
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Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP2065322A2 publication Critical patent/EP2065322A2/fr
Publication of EP2065322A3 publication Critical patent/EP2065322A3/fr
Application granted granted Critical
Publication of EP2065322B1 publication Critical patent/EP2065322B1/fr
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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
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/20—Controlling associated apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H11/00—Feed tables
    • B65H11/002—Feed tables incorporating transport belts
    • B65H11/005—Suction belts
    • 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
    • B65H3/0816—Suction grippers separating from the top of pile
    • B65H3/0825—Suction grippers separating from the top of pile and acting on the rear part of the articles relatively to the final separating direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/34—Varying the phase of feed relative to the receiving machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/90—Machine drive
    • B65H2403/94—Other features of machine drive
    • B65H2403/943—Electronic shaft arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/50—Timing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/50—Timing
    • B65H2513/512—Starting; Stopping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a method for starting / restarting a sheet-fed printing press according to the preamble of the first claim.
  • From the DE 44 07 631 C2 is a method for starting / restarting the continuous printing in a sheet-processing printing machine, in particular sheet-fed offset printing machine, known.
  • the printed sheets to be printed are fed from a stack of sheets of an investor connected via a switchable coupling with the printing machine by means of switchable decrease elements.
  • the connection of the investor takes place at a low basic speed of the printing press. Trained as separating and Schleppsauger acceptance elements for removing the sheet from the sheet stack remain switched off when switching on the investor, while the speed of the printing press is raised to above a base speed and below the production speed provided for the production speed intermediate speed.
  • the decrease elements are switched on, whereupon the pressure begins after the entry of a first sheet into the printing press. Thereupon, the ramp-up from the intermediate speed to the intended production for the production speed.
  • a method for a printing machine which has independently controllable drives for the sheet feeder and for the printing press.
  • the printing press is switched on and accelerated to a basic speed. Only after reaching the basic speed of the sheet feeder is switched on.
  • the investor's two motors one of which drives the conveyor belt of the feeder table and one of the sheet separators designed as a suction conveyor, synchronize themselves with regard to the printing press or the printing unit until they both work in time. Thereafter, the suction air is turned on to the suction belt of the investor. After a certain number of revolutions of the printing unit (for example, three revolutions), the suction air is switched on the lifting sucker and the drag sucker.
  • the lifting sucker or hoists lift a printed sheet, transfer it to the one or more drag sucker and the drag suckers transport it to the conveyor belt.
  • This solution has the disadvantage that the first printed sheet is often passed obliquely or shifted to the conveyor belt. This can break the sheet and cause a restart.
  • the invention is therefore based on the development of a method for starting / restarting a sheet-fed press, which guarantees a safe and fast start of the sheet-fed printing press.
  • the object is achieved by a method having the features of the first claim.
  • the invention has the advantage that also the first printed sheet can be guided with angular accuracy on the conveyor belt.
  • a sheet feeder 1 with a sheet separator 12 for separating and discharging printed sheets 8, 8.1 can be seen.
  • a belt table 2 is shown as a suction belt table 2.1.
  • the solution according to the invention is explained here with reference to a sheet feeder 1 with a suction belt table 2.1, in which printed sheets 8, 8.1 are held by negative pressure on suction belts 26.1 equipped with holes, the solution according to the invention also being able to be realized with a sheet feeder 1 with a belt table 2, in which the printed sheets 8, 8.1 are guided in known manner by pressure rollers arranged on a bar grid against a conveyor belt 26 of the belt table 2.
  • the suction belt 2.1 a feed table 3 with front marks 4, a vibration system 5 and a Anlegzylinder 6 of a designed as an attachment printing unit printing unit 7 a sheetfed press downstream.
  • the printing unit 7 may also be the only printing unit of the sheet-fed press.
  • 8.1 sheet stack 9 is positioned on a stacking plate 10.
  • the stacking plate 10 is attached to transport means 11, which are connected to a lift, not shown.
  • the top of the sheet stack 9 is associated with a sheet separator 12.
  • the sheet separator 12 has a plurality of separating suction 13 and several transport suction 14 and trailing edge stops 15.
  • the sheet separator 12 is height adjustable by means of an actuator 16. In addition, the sheet separator 12 can be moved to format adaptation in or against a transport direction 17.
  • the sheet separator 12 in the embodiment, a the height level of the sheet pile 9 detecting scanning 18 is assigned.
  • the drive of the sheet separator 12 is effected by means of a first single drive 19, e.g. can be designed as an electric motor.
  • blasters 36 are still provided. These are for Vorlockern the sheet 8, 8.1 on the sheet stack 9 and for underblowing the sheet 8, 8.1 intended during transport.
  • side sheets 20 are arranged on the side of the printed sheet stack 9 on the side. But it is also possible to assign only the printing sheet stack 9 laterally delimiting guide elements 20.1.
  • a flap shaft 21 At the front side of the printing sheet stack 9 extends over the width of the printing sheet stack 9, a flap shaft 21. This is a Blasstange 22 downstream, the blowing direction is approximately opposite to a transport direction 17.
  • the suction belt table 2.1 consists of a drive roller 23 and a guide roller 24, between which a suction box 25 is provided, wherein the rollers 23, 24 are wrapped by at least one suction belt 26.1.
  • the suction belt 26.1 is tensioned by tension rollers 27.
  • the suction belt 26.1 is provided in a known manner with suction openings which come into engagement with suction holes provided in the suction box 25 during their movement in the transport direction 17, driven by the drive roller 23.
  • the drive roller 23 is driven by a single drive 28 of the conveyor belt 26, e.g. powered by an electric motor. With the drive roller 23 corresponding clock rollers 29 which are controlled periodically within a power stroke against the drive roller 23.
  • the suction belt 2.1 a feed table 3 is arranged downstream. From a located below the feed table 3 locking position the front marks 4 are controlled in a working position.
  • the plant table 3 downstream vibration system 5 has a sheet holding system 30 and performs a pivotal movement between the feed table 3 and the Anlegzylinder 6 of the printing unit 7 from.
  • the printing unit 7 has a drive 31.
  • This drive 31 is preferably a main wheel train of the sheet-fed printing machine connected to a main drive, which drives all printing units of the sheet-fed printing press.
  • the individual drives 19, 28 and the printing unit 7 driving drive 31 and the actuator 16 are connected to a processing electronics 33 of the sheet feeder 1, which with a machine control 34 of the downstream sheet-fed press is linked.
  • the sheet feeder 1 is tracked via the machine control 34 and the processing electronics 33 synchronously to the sheet-fed press.
  • the individual drives 19, 28, 31 then run synchronously with one another both over 360 ° of a single-turn shaft and within a unit of time.
  • the sheet feeder 1 described above in its construction operates as follows. Of the separating suckers 13, driven by the sheet separator 12 associated with the first individual drive 19, the topmost sheet 8 is separated from the sheet stack 9 and transferred to the transport suction 14. This promote the separated sheets 8, 8.1 in the transport direction 17.
  • the separation of the sheets 8, 8.1 is supported by the blower 36 of the sheet stack 9 loosened and blown by more blowers 36 of each of the transport suckers 14 funded sheet 8, 8.1 ,
  • the conveyed by the transport suckers 14 printed sheets 8, 8.1 are guided by the clocking clock rollers 29 against the drive roller 23 and then released from the transport suckers 14.
  • the flap shaft 21 is pivoted out of the path of the printed sheets 8, 8.1 and the Blas Kunststoffzuschreib to Blasstange 22 is interrupted.
  • the guided by the clock rollers 29 against the drive roller 23 printed sheets 8, 8.1 are of the suction belts 26.1, which are constantly acted upon by the suction box 25 during operation of the printing press with negative pressure, and overlaps as sheet stagger on the feed table 3 and with the leading edge against transported in the working position front lays 4.
  • the sheet-fed press When starting or restarting after a stopper, the sheet-fed press must be brought to the production speed or back to the production speed as quickly as possible. This is done according to the invention so that before the start or at the beginning of the startup / restart, the separating sucker 13 and the transport suction 14 are acted upon by suction. Only then are the individual drives 19, 28 switched on.
  • the suction box 25 is applied at the latest upon arrival of the first sheet 8 with suction.
  • the connection of the suction air for the conveyor belt 26 takes place at the same time for connecting the suction air of the separating sucker 13 and the transport suction 14 of the sheet separator 12th
  • the individual drives 19, 28 are tracked to the drive 31 of the printing unit 7 in the rule and also synchronized in this way.
  • An advantageous embodiment of the invention consists in completing the synchronization of the individual drives 19, 28, 31 until the recording of the second printed sheet 8 following the first printed sheet 8 by separating suction cups 13 and the transport suckers 14 of the sheet separator 12.
  • the invention is not limited to the embodiment described above. It could also other, not mentioned in the exemplary embodiment, equipped with individual drives working organs of the sheet feeder 1 are operated in the manner described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Claims (5)

  1. Procédé permettant de démarrer/redémarrer une machine à imprimer à feuilles, selon lequel :
    - la machine à imprimer à feuilles comporte au moins un groupe d'impression (7) équipé d'un entrainement (31) permettant d'imprimer des produits à imprimer en forme de feuilles sous la forme de feuilles à imprimer (8, 8.1),
    - en amont de ce groupe d'impression (7) est montée une pince oscillante (5), et
    - en amont de cette pince oscillante est monté un margeur (1) de sorte que
    - ce margeur (1) soit équipé d'un séparateur de feuilles (12) qui,
    - renferme des éléments de préhension des feuilles (13, 14) pouvant être alimentés en air d'aspiration pour permettre de séparer les feuilles à imprimer (8, 8.1) d'une pile de feuilles à imprimer (9) montée en amont du margeur (1) et d'extraire les feuilles à imprimer (8, 8.1) de la pile de feuilles à imprimer (9),
    - le margeur (1) comporte au moins un autre organe de travail permettant de détecter et de transférer les feuilles à imprimer (8, 8.1),
    - au séparateur de feuilles (12) et à cet autre organe de travail est respectivement associé un organe d'entrainement individuel (19, 28),
    - ces organes d'entrainement individuels (19, 28) peuvent être commandés indépendamment,
    - pour permettre la mise en marche du démarrage/redémarrage de la machine à imprimer à feuilles, les organes d'entrainement individuels (19, 28) sont branchés,
    - déplacés du repos à une vitesse de production, et
    - synchronisés entre eux et pour permettre l'entrainement (31) du groupe d'impression (7),
    caractérisé en ce que
    - avant ou simultanément au branchement des organes d'entrainement individuels (19, 28) les éléments de préhension des feuilles (13, 14) du séparateur de feuilles (1) sont alimentés en air d'aspiration,
    - pendant le déplacement des feuilles commençant avec le branchement des organes d'entrainement individuels (19, 28), ces organes d'entrainement individuels (19, 28) sont synchronisés, et
    - cette synchronisation est bloquée avant le transfert de la première feuille à imprimer (8) sur la pince oscillante (5).
  2. Procédé conforme à la revendication 1,
    caractérisé en ce que
    la synchronisation des organes d'entrainement individuels (19, 28) est bloquée jusqu'à la préhension de la feuille à imprimer (8.1) suivant la première feuille à imprimer (8) par les éléments de préhension des feuilles (13, 14) du séparateur de feuilles (12).
  3. Procédé conforme à la revendication 1,
    caractérisé en ce qu'
    en tant qu'autre organe de travail du margeur (1) il est prévu une bande transporteuse (26) permettant la réception des feuilles à imprimer (8, 8.1) et leur transfert vers le groupe d'impression (7).
  4. Procédé conforme à la revendication 3,
    caractérisé en ce que
    la bande transporteuse (26) est réalisée sous la forme d'une bande d'aspiration (26.1) alimentée en air d'aspiration équipée de perforations et l'air d'aspiration pour la bande transporteuse (26) est branché simultanément à l'air d'aspiration des éléments de préhension des feuilles (13, 14) du séparateur de feuilles (12).
  5. Procédé conforme à la revendication 1,
    caractérisé en ce que
    les organes d'entrainement individuels (19, 28) sont réalisés sous la forme de moteurs électriques.
EP08170114.6A 2007-11-30 2008-11-27 Procédé destiné à démarrer/redémarrer une presse au sol Active EP2065322B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007057732A DE102007057732A1 (de) 2007-11-30 2007-11-30 Verfahren zum Anfahren/Wiederanfahren einer Bogendruckmaschine

Publications (3)

Publication Number Publication Date
EP2065322A2 EP2065322A2 (fr) 2009-06-03
EP2065322A3 EP2065322A3 (fr) 2011-11-30
EP2065322B1 true EP2065322B1 (fr) 2014-01-29

Family

ID=40547984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08170114.6A Active EP2065322B1 (fr) 2007-11-30 2008-11-27 Procédé destiné à démarrer/redémarrer une presse au sol

Country Status (2)

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EP (1) EP2065322B1 (fr)
DE (1) DE102007057732A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106827656A (zh) * 2017-03-06 2017-06-13 江苏悦达印刷有限公司 印刷平压模切机的输送夹取装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012024734B4 (de) 2012-01-18 2023-04-06 Heidelberger Druckmaschinen Ag Verfahren zum Zuführen von Bogen zu einer drucktechnischen Maschine
DE102017111308A1 (de) * 2016-05-25 2017-11-30 manroland sheetfed GmbH Anlegeeinheit für eine Bogendruckmaschine
CN114180369A (zh) * 2021-11-09 2022-03-15 三峡大学 粽叶上料装置及工作方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4407631C1 (de) * 1994-03-08 1995-10-19 Roland Man Druckmasch Verfahren zum Anfahren/Wiederanfahren des Fortdrucks bei einer bogenverarbeitenden Druckmaschine, insbesondere Bogenoffsetdruckmaschine
DE19639134C2 (de) * 1996-09-24 1999-03-25 Roland Man Druckmasch Verfahren zum Anfahren/Wiederanfahren des Fortdruckes
DE10021211B4 (de) * 2000-04-29 2008-11-20 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Zuführen von Bogen
DE10137536A1 (de) 2001-08-01 2003-02-13 Heidelberger Druckmasch Ag Verfahren zum Befördern von Bogen in einem Anleger einer Bogen verarbeitenden Druckmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106827656A (zh) * 2017-03-06 2017-06-13 江苏悦达印刷有限公司 印刷平压模切机的输送夹取装置

Also Published As

Publication number Publication date
EP2065322A3 (fr) 2011-11-30
EP2065322A2 (fr) 2009-06-03
DE102007057732A1 (de) 2009-06-04

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