EP0225567B1 - Dispositif de retournement de feuilles pour machine à imprimer rotative avec construction en ligne - Google Patents

Dispositif de retournement de feuilles pour machine à imprimer rotative avec construction en ligne Download PDF

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Publication number
EP0225567B1
EP0225567B1 EP86116613A EP86116613A EP0225567B1 EP 0225567 B1 EP0225567 B1 EP 0225567B1 EP 86116613 A EP86116613 A EP 86116613A EP 86116613 A EP86116613 A EP 86116613A EP 0225567 B1 EP0225567 B1 EP 0225567B1
Authority
EP
European Patent Office
Prior art keywords
sheet
impression cylinder
turning device
covering
roller blind
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
EP86116613A
Other languages
German (de)
English (en)
Other versions
EP0225567A3 (en
EP0225567A2 (fr
Inventor
Josef Dipl.-Ing. Mathes
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.)
Manroland AG
Original Assignee
MAN Roland 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT86116613T priority Critical patent/ATE61016T1/de
Publication of EP0225567A2 publication Critical patent/EP0225567A2/fr
Publication of EP0225567A3 publication Critical patent/EP0225567A3/de
Application granted granted Critical
Publication of EP0225567B1 publication Critical patent/EP0225567B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers
    • B41F21/106—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine
    • B41F21/108—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine with pneumatic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/18—Impression cylinders

Definitions

  • the invention relates to a sheet turning device for rotary printing presses in series construction according to the preamble of the first claim.
  • Sheet turning devices of this type are known from DE-PS 1 262 294 and DE-AS 1 786 371.
  • the object of the invention is to enable sheet registration of printing media of all thicknesses and lengths up to the highest printing speeds from the upstream printing cylinder in a sheet turning device of the type mentioned above by means of gripping devices.
  • the advantage of the invention is that the security of the register accuracy is increased because mechanical gripper transfers generally take place both in straight printing and in face and back printing.
  • a sheet offset rotary printing machine for optional face and back printing is shown, which works on the principle of the trailing edge application in a known manner.
  • the schematically illustrated two-color printing unit 21 has a double-sized transfer drum or reversing drum 2 between double-sized printing cylinders 1, 3, which are mounted in side stands 11 in a known manner.
  • the sheets 13 to be printed are also fed to the printing cylinder 1 in a known manner and removed from the printing cylinder 3 again.
  • the printing cylinders 1, 3 are each provided with two gripping devices 8, 9 and 23, 24, which are diametrically opposite one another and are used for the transport of the sheet 13 in a correspondingly controlled manner.
  • Printing cylinders 1, 3 and transfer drum or turning drum 2 are designed for the transport of two sheets 13 on the circumference.
  • the double-sized transfer drum or turning drum 2 has two pairs of gripping systems 4, 6 and 5, 7, which interact and can be pivoted relative to one another.
  • the gripping devices 4, 6 and 5, 7 lie diametrically opposite one another in pairs.
  • an adjustable covering 10 is provided on the printing cylinder 1 placed in front of the turning drum 2 in such a way that gripping of the bow end is made possible.
  • the printing cylinder 1 has a base body 20 which is several millimeters smaller and closed over the entire printing area and on which is covered 10 a roller shutter 10.1 rests with an overlying film covering 17, via which the printing cylinder 1 obtains its actual diameter or, according to FIGS. 9 and 10, several roller shutter strips 10.2 are housed in the printing cylinder 1 in the circumferential direction, the surfaces of which coincide with the printing cylinder surface and which are covered with a continuous cover plate 31, via which the printing cylinder 1 receives its actual diameter.
  • Suitable as film covering 17 via roller shutters 10.1 is e.g. a film made of fine steel strip, corresponding fabric or the like, which extends over the entire width of the printing cylinder 1 and is 0.2 to 1 mm thick, while the continuous cover plate 31 has a thickness of e.g. Can have 1 mm.
  • the printing cylinder 1 preferably has an outer diameter which is at least 3 mm smaller, so that the gripping devices 4 and 5 can grip the sheet 13 at the end of the sheet if the roller shutter 10.1 is to be used. (Fig. 7) As a result, variable free spaces 26 are created between the gripping devices 5, 8 and 4, 9 for detecting the trailing edge of the sheet, so that the front gripping devices 4 and 5 seen in the direction of rotation of the double-sized transfer drum or reversing drum 2 are used for each format setting can dive into the circumferential path of the double-large impression cylinder 1.
  • roller shutters 10.1 is understood to mean a covering 10 consisting of narrow strips 32 and / or chain links, wire mesh, a special rubber blanket or similar elastic composite 30 over the entire width, which has an almost closed outer surface on the outer diameter of the pressure cylinder, is radially rigid and can be wound up in the circumferential direction.
  • the narrow strips 32 are threaded onto several steel cords 33 and have an almost gap-free surface on the pressure cylinder 1 (FIGS. 6 and 8).
  • a special rubber blanket is e.g. a hard rubber blanket, which has a cover layer 53 with inserts 52 and a base layer 54 with notches such that the composite is radially rigid and can be wound onto the printing cylinder 1 in the circumferential direction (FIG. 11).
  • Wire mesh or similar elastic composites 30 of a different type must have comparable properties.
  • both roller shutters 10.1 and also the film coverings 17 and the cover plate 31 can be wound up via roller shutter strips 10.2, depending on the set sheet length, on winding shafts 16 and 18 mounted in the printing cylinder 1.
  • Roughened surfaces 55 secure the position of the roller shutter strips 10.2 on the take-up shafts 18.
  • the take-up shafts 16, 18 are received in end walls 15 of the base body 20.
  • An end member 12 of the roller shutter 10.1 or the cover plate 31 arranged over roller shutter strips 10.2 have a greater width at the end, are mounted on the end face on a pin 27 of the pressure cylinder 1 and can be adjusted and clamped from the outside by means 28, 29 (FIGS. 3 and 9 ).
  • a device 29 In order to be able to make a format setting, a device 29 must be released from its clamping position by means of axially arranged hexagon sockets of the same size and associated hexagon wrenches in order to be able to move the covering 10 on the base body 20 of the printing cylinder 1 in the circumferential direction.
  • the device 28 required for this consists of an adjusting shaft 34 which is integrated in the pin 27 of the pressure cylinder 1.
  • An adjusting pinion 35 is fastened on the adjusting shaft 34, which is in operative connection with a further adjusting pinion 43 via a gear wheel 36 mounted in the pressure cylinder 1 and which is attached to an adjusting shaft 41 mounted in the end walls 15 (FIGS. 3, 4, 9).
  • the suction device 22 is constructed in a manner known per se in the form of a rake Division of the roller shutter strips 10.2 in the base body 20 of the printing cylinder 1 in front and ends with the surface of the cover plate 31 with suction surfaces and suction bores, not shown, in one plane.
  • a suction air supply 40 is provided, from which the suction air is guided into the interior of the base body 20.
  • the suction air supply 40 is connected to the side parts 14 of the continuous cover plate 31 which can be rotated on the base body 20 of the pressure cylinder 1 in front and, as can be seen from FIG. 10, can slide circularly in an elongated hole 38 in the end walls 15 when the format is changed.
  • roller shutters 10.1 or roller shutter strips 10.2 are ground on the printing cylinder 1.
  • roller shutters 10.1 with foil coverings 17 or roller shutter strips 10.2 with cover plate 31 are preferably connected at the end of the covering 10 and the covering 10 is e.g. can also be tensioned by torsion springs on the winding shafts 16, 18. This always ensures a secure position of the covering 10 guided loosely on the base body 20 of the printing cylinder 1.
  • a scraper 37 removes deposits on the base body 20.
  • both one-sided printing of the sheet 13 with two colors and the turning of the sheet 13 are functionally related to the printing cylinder 1 in front and thus double-sided printing the arch 13 possible.
  • the second printing unit is then used as an impression printing unit.
  • the sheet 13 is transported in a known manner by transfer, for example, from the gripping devices 9 of the printing cylinder 1 to the gripping devices 6 of the transfer drum 2 and from there to the gripping devices 24 of the printing cylinder 3 and is therefore not described in more detail (see FIG 1).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Cleaning In General (AREA)
  • Screen Printers (AREA)

Claims (11)

  1. Dispositif de retournement de feuilles pour machines imprimantes rotatives à construction en ligne, comportant des cylindres d'impression (1) de taille double, qui sont reliés, avantageusement, à un cylindre unique de retournement ou de transfert (2) de taille double, le cylindre de retournement (2) étant équipé de systèmes de pinces coopérants, qui permettent le retournement de la feuille (13) en relation fonctionnelle avec le cylindre d'impression (1),
    caractérisé en ce que le cylindre d'impression (1), disposé en amont du cylindre de retournement (2), est muni d'un revêtement réglable (10), lequel permet de saisir l'extrémité de feuille avec des dispositifs à pinces (5).
  2. Dispositif de retournement de feuilles selon la revendication 1,
    caractérisé en ce que le cylindre d'impression (1) présente un corps de base (20) plus petit de plusieurs millimètres et fermé sur toute la surface d'impression, sur lequel s'appuie, en tant que revêtement (10), un volet roulant (10.1) recouvert d'un revêtement en feuille (17), grâce auquel le cylindre d'impression (1) conserve son diamètre propre.
  3. Dispositif de revêtement de feuilles selon la revendication 1,
    caractérisé en ce que, en tant que revêtement (10), sont disposés plusieurs tronçons de volet roulant (10.2), noyés en direction périphérique dans le cylindre d'impression (1), dont les surfaces coïncident avec la surface du cylindre d'impression et sont recouvertes d'une coiffe continue (31), grâce à laquelle le cylindre d'impression (1) conserve son diamètre propre.
  4. Dispositif de retournement de feuilles selon les revendications 1 et 2,
    caractérisé en ce que le volet roulant (10.1) est constitué, sur toute sa largeur, de baguettes étroites (32) et/ou de patins, de treillis métalliques, d'un blanchet spécial ou d'un composite souple analogue, en ce qu'il présente, sur le diamètre externe du cylindre d'impression, une surface extérieure pratiquement fermée, et en ce qu'il est radialement rigide et enroulable en direction périphérique.
  5. Dispositif de retournement de feuilles selon les revendications 1 et 2,
    caractérisé en ce que le volet roulant (10.1) est constitué de baguettes étroites (32), qui sont enfilées sur plusieurs cordons d'acier (33) et présentent, sur le cylindre d'impression (1), une surface pratiquement continue.
  6. Dispositif de retournement de feuilles selon les revendications 1, 2, 4 et 5,
    caractérisé en ce qu'une partie d'extrémité (12) du volet roulant (10.1) présente une largeur plus grande, est montée, du côté frontal, sur un tourillon (27) du cylindre d'impression (1), et peut être serrée et réglée de l'extérieur par des dispositifs (28,29).
  7. Dispositif de retournement de feuilles selon les revendications 1 et 3,
    caractérisé en ce que la coiffe (31), agencée sur les tronçons de volet roulant (10.2), présente, à l'extrémité, une largeur plus grande, est montée, du côté frontal, sur un tourillon (27) du cylindre d'impression (1), et peut être serrée et réglée de l'extérieur par des dispositifs (28,29).
  8. Dispositif de retournement de feuilles selon les revendications 1,2,4,5 et 6,
    caractérisé en ce que des moyens d'aspiration (19), pouvant être coupés, s'étendant en une rangée dans la direction axiale du cylindre d'impression (1) sont intégrés dans la partie d'extrémité (12) du volet roulant (10.1), moyens d'aspiration qui sont alimentés en air d'aspiration par un canal (25).
  9. Dispositif de retournement de feuilles selon les revendications 1, 3 et 7,
    caractérisé en ce que des surfaces d'aspiration, s'étendant en une rangée dans la direction axiale du cylindre d'impression (1), sont intégrées dans les tronçons de volet roulant (10.2) à leur extrémité, surfaces d'aspiration qui sont alimentées en air d'aspiration par un dispositif d'aspiration (22).
  10. Dispositif de retournement de feuilles selon les revendications 1,2,4,5,6 et 8,
    caractérisé en ce que des évidements (39), s'étendant en une rangée dans la direction axiale du cylindre d'impression (1), pour les dispositifs à pinces (5) d'une rangée de pinces sont prévus dans la partie d'extrémité (12) du volet roulant (10.1) y compris le revêtement en feuille (17), pour saisir l'extrémité de la feuille (13).
  11. Dispositif de retournement de feuilles selon les revendications 1,3,7 et 9,
    caractérisé en ce que des évidements (39), s'étendant en une rangée dans la direction axiale du cylindre d'impression (1), pour les dispositifs à pinces (5) d'une rangée de pinces sont prévus à l'extrémité de la coiffe (31), pour saisir l'extrémité de la feuille (13), entre les tronçons de volet roulant (10.2).
EP86116613A 1985-12-03 1986-11-28 Dispositif de retournement de feuilles pour machine à imprimer rotative avec construction en ligne Expired - Lifetime EP0225567B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86116613T ATE61016T1 (de) 1985-12-03 1986-11-28 Bogenwendevorrichtung fuer rotationsdruckmaschinen in reihenbauweise.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3542649 1985-12-03
DE19853542649 DE3542649A1 (de) 1985-12-03 1985-12-03 Bogenwendevorrichtung fuer rotationsdruckmaschinen in reihenbauweise

Publications (3)

Publication Number Publication Date
EP0225567A2 EP0225567A2 (fr) 1987-06-16
EP0225567A3 EP0225567A3 (en) 1989-03-15
EP0225567B1 true EP0225567B1 (fr) 1991-02-27

Family

ID=6287443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86116613A Expired - Lifetime EP0225567B1 (fr) 1985-12-03 1986-11-28 Dispositif de retournement de feuilles pour machine à imprimer rotative avec construction en ligne

Country Status (5)

Country Link
US (1) US4796529A (fr)
EP (1) EP0225567B1 (fr)
JP (1) JPS62216744A (fr)
AT (1) ATE61016T1 (fr)
DE (1) DE3542649A1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3730386C1 (de) * 1987-09-10 1989-04-13 Roland Man Druckmasch Vorrichtung zum Foerdern von Bogen durch die Druckzone von Gummituchzylinder und Druckzylinder einer Bogenrotationsdruckmaschine
DE3869876D1 (de) * 1987-09-11 1992-05-14 Roland Man Druckmasch Vorrichtung in mehrfarbenbogenrotationsdruckmaschinen zum anpressen eines bogens auf den druckzylinder.
US5156090A (en) * 1989-06-24 1992-10-20 Heidelberger Druckmaschinen Ag Device for smoothing a sheet on an impression cylinder of a sheet-fed rotary printing machine
DE4303872C2 (de) * 1992-04-24 1995-08-10 Roland Man Druckmasch Druckmaschine mit einem Formzylinder und Verfahren zur Druckvorbereitung des Formzylinders
GB2268162A (en) * 1992-06-19 1994-01-05 Shinohara Machinery Co Ltd Sheet-feeding cylinder with grippers.
DE4442301C5 (de) * 1994-09-05 2006-12-14 Heidelberger Druckmaschinen Ag Bogenüberführtrommel
JPH09141990A (ja) * 1995-11-20 1997-06-03 Brother Ind Ltd 円筒式スタンプ
DE69703783T2 (de) * 1996-10-28 2001-04-19 Hans E Ruprecht Holding Ag Kra Vorrichtung an einer Druckmaschine zum Perforieren, Stanzen, Schneiden, Rillen und partiellen Lackieren oder zum Drucken von Umschlägen
JP3730359B2 (ja) * 1997-04-24 2006-01-05 株式会社小森コーポレーション 反転機構付き枚葉輪転印刷機
DE19833901A1 (de) * 1998-07-28 2000-02-03 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zur Übergabe der Hinterkante eines Bogens in einer Wendeeinrichtung einer Bogenrotationsdruckmaschine
DE10315193A1 (de) * 2002-04-18 2003-10-30 Heidelberger Druckmasch Ag Gegendruckzylinder in einer Wendeeinrichtung einer bogenverarbeitenden Maschine
EP1590179B1 (fr) * 2003-02-02 2010-04-07 Hewlett-Packard Development Company, L.P. Mecanisme de transfert d'image
US7628109B2 (en) * 2005-07-26 2009-12-08 Hewlett-Packard Development Company, L.P. Image transfer mechanism
DE102005016498A1 (de) 2005-04-11 2006-10-12 Man Roland Druckmaschinen Ag Wendeanordnung für eine Bogendruckmaschine
JP5361168B2 (ja) * 2006-11-10 2013-12-04 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 枚葉紙を印刷機を通して搬送する間に反転させるための装置
CN105437733A (zh) * 2015-12-17 2016-03-30 重庆宏劲印务有限责任公司 一种圆压圆型印刷机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1072703A (en) * 1912-06-21 1913-09-09 Cottrell C B & Sons Co Printing-machine.
DE393249C (de) * 1923-05-30 1924-04-07 Vogtlaendische Maschinenfabrik Druckzylinder mit elastischem Aufzug fuer Rotationsdruckmaschinen
DE1262294B (de) * 1966-07-22 1968-03-07 Planeta Veb Druckmasch Werke Bogenwendeeinrichtung in einem zwischen den Druckzylindern zweier Druckwerke einer Mehrfarbenbogenrotationsdruckmaschine angeordneten UEberfuehrungszylinder
US3537391A (en) * 1967-10-18 1970-11-03 Miller Printing Machinery Co Sheet handling apparatus and method for multicolor perfector press
DE2358223B2 (de) * 1973-11-22 1975-10-30 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Umführtrommel mit Greifereinrichtungen zur Erfassung der Bogenvorder- und Bogenhinterkante für Druckmaschinen
US4018161A (en) * 1975-03-25 1977-04-19 Veb Polygraph Leipzig Kombinat Fur Polygraphische Maschinen Und Ausrustungen Printing machine with sheet-transfer arrangement
DE2632243C3 (de) * 1976-07-17 1979-08-30 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Auf variable Bogenlängen einstellbare Umführtrommel für Druckmaschinen
DE3338450C1 (de) * 1983-10-22 1985-06-05 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Einrichtung zum Einfuehren der Endabschnitte eines flexiblen Aufzuges in eine Grube eines Zylinders einer Druckmaschine

Also Published As

Publication number Publication date
US4796529A (en) 1989-01-10
ATE61016T1 (de) 1991-03-15
EP0225567A3 (en) 1989-03-15
DE3542649A1 (de) 1987-06-04
JPH0511552B2 (fr) 1993-02-15
JPS62216744A (ja) 1987-09-24
EP0225567A2 (fr) 1987-06-16
DE3542649C2 (fr) 1989-04-13

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