EP0215248B1 - Dispositif de retournement des feuilles d'une machine à imprimer rotative - Google Patents

Dispositif de retournement des feuilles d'une machine à imprimer rotative Download PDF

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Publication number
EP0215248B1
EP0215248B1 EP86110502A EP86110502A EP0215248B1 EP 0215248 B1 EP0215248 B1 EP 0215248B1 EP 86110502 A EP86110502 A EP 86110502A EP 86110502 A EP86110502 A EP 86110502A EP 0215248 B1 EP0215248 B1 EP 0215248B1
Authority
EP
European Patent Office
Prior art keywords
grippers
sheet
printing
drum
storage drum
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
EP86110502A
Other languages
German (de)
English (en)
Other versions
EP0215248A3 (en
EP0215248A2 (fr
Inventor
Helmut Emrich
Paul Abendroth
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6281144&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0215248(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT86110502T priority Critical patent/ATE56917T1/de
Publication of EP0215248A2 publication Critical patent/EP0215248A2/fr
Publication of EP0215248A3 publication Critical patent/EP0215248A3/de
Application granted granted Critical
Publication of EP0215248B1 publication Critical patent/EP0215248B1/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

Definitions

  • the invention relates to a sheet turning device for rotary printing presses in series construction according to the preamble of the first claim.
  • a sheet turning device of the type mentioned is known from DE-A-2 633183. With this known sheet turning device, however, it is not possible to keep the sheet in register for the subsequent printing.
  • the transfer of the sheet edges during face and back printing requires an accuracy that cannot be made possible with the multi-link rocker handover provided there (see FIGS. 7 to 9). It has been shown that the trailing sheet edge not only grips firmly during the transfer to the gripper, but that the sheet must be placed tightly on the jacket of the storage drum.
  • the multi-link vibrating gripper design between the transfer drum and the storage drum used there is not suitable for this.
  • the disadvantage is that there is an increased risk of smearing when lifting the sheet during the turning process, because the sheet with its freshly printed side can move relatively uncontrolled despite support by blowing air. As a result, it cannot be prevented with certainty that the freshly printed sheet side, which initially lies on the inside and touches the circumference of the transfer cylinder, comes into contact with the cylinder circumference again after lifting off.
  • this device has no additional storage drum suitable as a sheet guide in straight printing.
  • the object of the invention is to develop a sheet turning device of the type mentioned in such a way that not only ensures safe, register-correct sheet transfer from the storage drum, but at the same time the risk of smearing is completely eliminated in the following transfer area.
  • FIG. 1 shows a sheet-fed offset printing press with only one double-sized transfer drum between double-sized printing cylinders and an additional double-sized storage drum, schematically set for straight printing
  • Fig. 2 is a sheet-fed offset printing press like Figure 1, schematically, set for perfecting.
  • the two-color printing unit shown schematically in FIGS. 1 and 2 consists of two plate cylinders 1, 2, two blanket cylinders 3, 4 and two double-size printing cylinders 5, 6, which are connected to only one double-size transfer drum 7.
  • a storage drum 8 is additionally assigned to the transfer drum 7.
  • the inking units on the plate cylinders 1 are not shown.
  • the sheets 9 to be printed are fed to the printing cylinder 5 in a known manner and removed from the printing cylinder 6 again.
  • the pressure cylinders 5, 6 are each provided with two rows of clamping grippers 10, 11 and 12, 13, respectively, which lie opposite one another in a known manner and which are used for the transport of the sheet 9 in a controlled manner.
  • the transfer drum 7 has two gripper rows of straight printing grippers 14, 15.
  • the transfer drum 7 also has counterpressure grippers 16, 17 which can be adjusted to the sheet end (see arrows). In straight printing, the counterpressure grippers 16, 17 are pivoted into the cylinder interior of the transfer drum 7 out of function (FIG. 1).
  • the changeover to perfecting takes place in such a way that the smoothing devices 20, 21 of the storage drum 8 are each set to the end of the sheet and the printing unit of the second printing cylinder 6 is rotated such that the sheet 9 turned by the counterpressure grippers 16 set to the sheet format 17 is passed to the clamping grippers 12, 13 of the pressure cylinder 6.
  • the counter pressure grippers 16, 17 can be designed as known pliers grippers or also as known turning grippers.
  • a known control device is provided in order to lower the straight-pressure grippers 14, 15 below the pressure line in good time.
  • the invention is not limited to the example described, but can also be used with a double-sized transfer drum 7 between single-sized printing cylinders. Likewise, the storage drum 8 can also be simply large.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Specific Conveyance Elements (AREA)

Claims (3)

1. Dispositif de retournement de feuilles pour des machines imprimantes rotatives de forme de construction en série, dans lesquelles les cylindres d'impression (5, 6) de groupes d'impression successifs sont reliés par un cylindre de transfert unique (7) de taille double, auquel est associé un cylindre de stockage (8), et sont prévus, de façon continue, des dispositifs de transfert à pinces, constitués de rangées de pinces de serrage coopérantes, caractérisé en ce que, pour le retournement, sont prévus, sur le cylindre de transfert (7), des pinces d'impression du recto (14, 15) positionnées de façon fixe, coopérant avec des pinces de serrage (18, 19) du cylindre de stockage (8), et des pinces d'impression du verso (16, 17) reglables au format de la feuille, ainsi que, sur le cylindre de stockage (8), derrière les pinces de serrage (18, 19) dans le sens de rotation, des dispositifs de lissage (20, 21) reglables sur l'extrémité de la feuille.
2. Dispositif de retournement de feuilles selon la revendication 1, caractérisé en ce que les pinces d'impression du verso (16, 17) sont réalisées en tant que pinces à griffes ou en tant que pinces de retournement.
3. Dispositif de retournement de feuilles selon les revendications 1 et 2, caractérisé en ce que les pinces d'impression du recto (14, 15) positionnées de façon fixe sont montées, de façon com- mandable, dans la zone du second cylindre d'impression (6) sous la ligne de pression.
EP86110502A 1985-09-17 1986-07-30 Dispositif de retournement des feuilles d'une machine à imprimer rotative Expired - Lifetime EP0215248B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86110502T ATE56917T1 (de) 1985-09-17 1986-07-30 Bogenwendevorrichtung fuer rotationsdruckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3533081 1985-09-17
DE19853533081 DE3533081A1 (de) 1985-09-17 1985-09-17 Bogenwendevorrichtung fuer rotationsdruckmaschinen

Publications (3)

Publication Number Publication Date
EP0215248A2 EP0215248A2 (fr) 1987-03-25
EP0215248A3 EP0215248A3 (en) 1988-07-27
EP0215248B1 true EP0215248B1 (fr) 1990-09-26

Family

ID=6281144

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86110502A Expired - Lifetime EP0215248B1 (fr) 1985-09-17 1986-07-30 Dispositif de retournement des feuilles d'une machine à imprimer rotative

Country Status (5)

Country Link
US (1) US4723489A (fr)
EP (1) EP0215248B1 (fr)
JP (1) JPS6268753A (fr)
AT (1) ATE56917T1 (fr)
DE (1) DE3533081A1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3717093A1 (de) * 1987-05-21 1988-12-08 Heidelberger Druckmasch Ag Bogen-rotationsdruckmaschine zur herstellung von einseitigem mehrfarbendruck oder schoen- und widerdruck
EP0306684B1 (fr) * 1987-09-11 1992-04-08 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif pour presser une feuille contre le cylindre de contre-pression dans une presse rotative à feuilles pour l'impression en plusieurs couleurs
DE3738674A1 (de) * 1987-10-12 1989-04-20 Koenig & Bauer Ag Bogenrotationsdruckmaschine, die von schoendruck auf schoen- und widerdruck umstellbar ist
DE3836310C2 (de) * 1988-10-25 1998-01-15 Heidelberger Druckmasch Ag Verfahren zum Einstellen einer Wendeeinrichtung an einer Druckmaschine mit mehreren Druckwerken
DE3903093A1 (de) * 1989-02-02 1990-08-09 Koenig & Bauer Ag Bogenwendevorrichtung
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
DE4118584C2 (de) * 1991-06-06 1994-03-24 Kba Planeta Ag Greifersystem an Bogenführungszylindern von Druckmaschinen
DE19615730A1 (de) * 1996-04-20 1997-10-23 Heidelberger Druckmasch Ag Wendeeinrichtung für eine Druckmaschine, insbesondere eine Bogenrotations-Offsetdruckmaschine
US6089156A (en) * 1997-03-21 2000-07-18 Heidelberger Druckmaschinen Aktiengesellschaft Turning device for a printing press
WO1999061957A1 (fr) * 1998-05-24 1999-12-02 Indigo N.V. Dispositif d'impression
US6912952B1 (en) 1998-05-24 2005-07-05 Hewlett-Packard Indigo B.V. Duplex printing system
DE19949412A1 (de) * 1999-10-13 2001-04-19 Heidelberger Druckmasch Ag Einrichtung zum Wenden von Bogen in einer Bogenrotationsdruckmaschine
AU1072900A (en) 1999-11-07 2001-06-06 Indigo N.V. Tandem printing system with fine paper-position correction
AU2000239861A1 (en) 2000-04-18 2001-10-30 Indigo N.V. Sheet transport position and jam monitor
DE10158467B4 (de) * 2000-12-21 2014-05-15 Heidelberger Druckmaschinen Ag Druckmaschine und Verfahren zum Bedrucken eines Bogens
JP2005007858A (ja) * 2003-06-18 2005-01-13 Heidelberger Druckmas Ag 被印刷体枚葉紙を処理する機械を運転する方法
JP5473210B2 (ja) * 2006-11-06 2014-04-16 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 印刷機を通して枚葉紙を搬送する間に枚葉紙を反転するための方法及び装置
DE102008004811B4 (de) 2007-02-14 2017-02-23 Heidelberger Druckmaschinen Ag Vorrichtung zum Fördern eines Bogens zwischen zwei Druckwerken einer Druckmaschine in Reihenbauweise
DE102007056347A1 (de) 2007-11-22 2009-05-28 Heidelberger Druckmaschinen Ag Vorrichtung zum Wenden eines Bogens während des Förderns durch eine Druckmaschine
DE102008051094B4 (de) 2008-10-09 2017-11-23 Heidelberger Druckmaschinen Ag Vorrichtung zum Umstülpen eines Bogens um eine Querachse während eines Förderns zwischen zwei Druckwerken einer Druckmaschine

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE336406C (de) * 1918-01-21 1921-05-21 Ernst Schwank Stuetzisolator fuer Hochspannungsleitungen
US3537391A (en) * 1967-10-18 1970-11-03 Miller Printing Machinery Co Sheet handling apparatus and method for multicolor perfector press
US3884146A (en) * 1972-01-20 1975-05-20 Harris Intertype Corp Printing press with sheet turnover mechanism
DD101337A1 (fr) * 1972-12-11 1973-11-12
DE2305132B2 (de) * 1973-02-02 1974-10-31 Maschinenfabrik Augsburg-Nuernberg Ag, 8900 Augsburg Bogenwendevorrichtung für Rotations-Druckmaschinen
IT1063050B (it) * 1975-06-11 1985-02-11 Harris Corp Procedimento e dispositivo per voltare a volonta un foglio in una rotativa da stampa
US4165689A (en) * 1975-07-24 1979-08-28 Officine Meccaniche Cigardi S.P.A. Device for sequential overturning of sheets in multi-color offset printing machines
IT1040008B (it) * 1975-07-24 1979-12-20 Cigardi Omc Sa Sistema e dispositivo per il rove sciamento sequenziale dei fogli su machine da stampa offset da foglio a piu colori
JPS5331401A (en) * 1976-09-03 1978-03-24 Nippon Chemical Ind Method of making photo mask blank material
JPS5871162A (ja) * 1981-10-24 1983-04-27 Komori Printing Mach Co Ltd 反転機構付枚葉輪転印刷機の位相調整装置
DE8319431U1 (de) * 1983-07-06 1984-02-16 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung zur umstellung auf wahlweisen schoendruck oder schoen- und widerdruck einer zwischen den einzelnen druckwerken einer bogenrotationsdruckmaschine angeordneten wendeeinrichtung
SU1148804A1 (ru) * 1983-10-20 1985-04-07 Всесоюзный Научно-Исследовательский Институт Полиграфического Машиностроения Устройство дл переворота листов в печатной машине
DE3410689A1 (de) * 1984-03-23 1985-10-03 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung an der speichertrommel einer bogenoffsetdruckmaschine fuer wahlweisen schoen- und widerdruck
DE3413159C2 (de) * 1984-04-07 1986-09-18 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Bogen-Rotations-Offsetdruckmaschine zur Herstellung von einseitigen Mehrfarbendruck oder Schön- und Widerdruck

Also Published As

Publication number Publication date
EP0215248A3 (en) 1988-07-27
DE3533081A1 (de) 1987-03-26
JPS6268753A (ja) 1987-03-28
US4723489A (en) 1988-02-09
EP0215248A2 (fr) 1987-03-25
ATE56917T1 (de) 1990-10-15
DE3533081C2 (fr) 1990-08-23

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