EP0306682A2 - Dispositif de transport de feuilles à travers la zone d'impression entre le cylindre presseur et le cylindre de contre-pression d'une presse rotative à feuilles - Google Patents

Dispositif de transport de feuilles à travers la zone d'impression entre le cylindre presseur et le cylindre de contre-pression d'une presse rotative à feuilles Download PDF

Info

Publication number: EP0306682A2
Authority: EP; European Patent Office
Prior art keywords: sheet; cylinder; printing; cover; print
Prior art date: 1987-09-10
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.): Granted

Application number

EP88112088A

Other languages

German (de)

English (en)

Other versions

EP0306682A3 (en

EP0306682B1 (fr

Inventor

Claus Dipl.-Ing. Simeth

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.)

1987-09-10

Filing date

1988-07-27

Publication date

1989-03-15

1988-07-27 Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG

1988-07-27 Priority to AT88112088T priority Critical patent/ATE83193T1/de

1989-03-15 Publication of EP0306682A2 publication Critical patent/EP0306682A2/fr

1990-05-02 Publication of EP0306682A3 publication Critical patent/EP0306682A3/de

1992-12-09 Application granted granted Critical

1992-12-09 Publication of EP0306682B1 publication Critical patent/EP0306682B1/fr

2008-07-27 Anticipated expiration legal-status Critical

Status 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
- B41F21/005—Electrostatic holding down devices
- 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

Definitions

the invention relates to a device for conveying sheets through the printing zone of the blanket cylinder and impression cylinder of a sheet-fed rotary printing press according to the preamble of the first claim.
a device for conveying sheets through the printing zone of cylinders, in particular blanket cylinders of a sheet-fed printing press in which a gripper system is pivotally mounted about a rotational axis on the printing cylinder by predeterminable spring force, and the gripper system on the cylinder against a contact surface can be locked and unlocked again after passing through the pressure zone, so that the tension that can be exerted on the sheet by the gripper system can be regulated by the spring force.
the disadvantage of this device is that the arch tension can only be maintained by the spring force in the area of the printing cylinder at most until the following gripper transfer. After the handover to the gripper systems of the sheet take-up drum taking over the sheet or the like, this spring action no longer exists, although longer sheets are still in the printing zone.
blow molding which in the gusset-shaped space between the rubber and impression cylinders is arranged on the side of the outgoing printed sheet in the region of the tear-off angle and blows compressed air between the rubber cylinder and the sheet.
this blowing device does not interact with a resilient cover on the pressure cylinder.
a flexible film covering is already known from DE-PS 3 542 649.
This covering interacts with a roller shutter that can be wound up at the beginning of the print inside a printing cylinder on a winding device for setting to different sheet formats, so that the sheet end protruding little beyond the end of the elevator can be gripped unhindered by mechanical grippers arranged on the downstream reversing drum on the printing cylinder .
This roller shutter-like elevator with film covering is guided relatively firmly towards the end of the print and is not arranged loosely. In addition, it does not interact with a non-positive pressure device.
the invention is therefore based on the object of designing a device of the type mentioned so that sudden changes in the sheet tension from the start of printing to the end of printing are avoided by a resilient element acting in the area of the printing cylinder, even after the sheet has been transferred from the gripper systems of the printing cylinder to the gripper systems of the sheet take-up drum will.
the advantage of the invention is that both a calm entry of a printed sheet into the printing zone is attainable, whereby wave formation as well as fluttering of the sheet or duplicating and smearing of the sheet is avoided.
the uniform detachment of the printed sheet from the blanket cylinder is achieved with a minimal tear-off angle, thereby reducing the risk of tear-strip formation.
the printing unit 1 shown in FIG. 1 of a multi-color sheet-fed rotary offset printing machine is constructed in a conventional manner and comprises two plate / blanket cylinder pairs 2, 3 and 4, 5.
the sheet 12 is guided by means of gripper systems 11 around the printing cylinder 6 or by means of gripper systems 9 on a transport chain 8 around a sheet take-up drum 10 and thereby conveyed through the printing zones of the double printing unit.
the pressure cylinder 6 has pins 17 in a known manner.
the pressure cylinder 6 is covered with a resilient cover 7.
This resilient cover 7 lies loosely and flatly on the closed surface of the printing cylinder 6 in the area between the start of the print and the end of the print.
the resilient cover 7 is either attached to the beginning of the print or suspended in a winding device 15, the winding shaft 16 of which is rotatably mounted in the printing cylinder 6 in bushes 18, 19.
the resilient cover 7 can thus be drawn into the inside of the printing cylinder 6 at the start of printing, so that the length of the resilient cover 7 coming into contact with the surface of the printing cylinder 6 can be adjusted depending on the sheet format to be processed, while with a fixed arrangement at the beginning of printing no adjustment to sheet format can be made.
the resilient cover 7 coming into contact is advantageously wound up so that there is always a distance a of a few millimeters in the circumferential direction between the end and the end of the sheet 12. It does not matter whether the bow 12 or the resilient cover 7 have the greater length (FIGS. 2 and 3).
the surface structure of the material is designed so that it is color-repellent, abrasion-resistant and easy to clean. In addition, it should have a high affinity for the substrate.
the winding device 15 can be brought into the required position by hand or, if appropriate, also by means of a motor via corresponding adjusting devices not shown in the drawing.
the resilient cover 7 can also be slightly pre-magnetized so that low adhesive forces to the pressure cylinder 6 occur.
a toothing, not shown, at the start of pressure of the resilient cover 7 facilitates the insertion and positioning during clamping.
the resilient cover 7 interacts with a force-locking sheet pressing device, which is designed as an axially parallel blowing strip 13 and is arranged in the gusset-shaped space above the printed sheet 12 running out of the printing zone in the region of the tear-off angle ⁇ and is used for blowing compressed air between the rubber cylinder 3 and the sheet 12.
a force-locking sheet pressing device which is designed as an axially parallel blowing strip 13 and is arranged in the gusset-shaped space above the printed sheet 12 running out of the printing zone in the region of the tear-off angle ⁇ and is used for blowing compressed air between the rubber cylinder 3 and the sheet 12.
the preselectable compressed air flow on the blown air strips 13 can be advantageously controlled in time by a valve 20 controlled by a single-speed shaft and control discs which can be rotated relative to one another in such a way that the compressed air is blown in only in the phase between the beginning and end of the pressure.
the principle of operation of a non-positive gene sheet pressing device in the form of blowing strips 13 cooperating device is as follows: When leaving the printing zone 1 between the blanket cylinder 3 and the impression cylinder 6, the printed sheet 12 on the blanket cylinder 3 is separated from the resilient cover 7. The bow 12 is excited to oscillate and both damped and tensioned by the relatively freely moving resilient cover 7, because the resilient cover 7 can emerge a little radially from the periphery of the surface of the printing cylinder 6 or can re-enter for force compensation. The same elastic effect is achieved as with a stable or thicker substrate.
the tear-off angle ⁇ is moved as close as possible to the first pressure zone by blown air and, moreover, the high force jump of the compressive stress between the blanket cylinder 3 and the pressure cylinder 6, otherwise acting in the pressure zone on the sheet 12, is ⁇ gradually reduced to ⁇ '(see Fig. 3).
the compressive stress does not suddenly collapse.
the rear edge of the resilient cover 7 can be chamfered, so that the pressure at the pressure drop decreases even more slowly.
the resilient cover 7 can also be combined with a blow molding 21, which is arranged in the gusset-shaped space above the incoming sheet 12, which has not yet been printed, between the blanket cylinder 3 and the impression cylinder 6. In this way, a calmed sheet entry can also be achieved in the first printing zone.
the frictional connection can also be generated by electrostatic forces between the sheet 12 and the resilient cover 7 (Fig. 4).
a positive ion-generating ionizing rod 22 is directed towards the arc 12' for its positive charging.
the pressure cylinder 6 is grounded, so that the effect of electrostatic adhesion due to charging against the mass is only half effective.
cover 7 is insulated from the printing cylinder 6 and, before the first printing zone between the sheet 12 and the insulated cover 7, a negative ion-generating ionizing rod 23 is also directed onto the insulated cover 7 for its negative charging.
a metallized plastic film can be used as an insulating cover 7.

Landscapes

Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Rotary Presses (AREA)
Discharge By Other Means (AREA)
Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

EP88112088A 1987-09-10 1988-07-27 Dispositif de transport de feuilles à travers la zone d'impression entre le cylindre presseur et le cylindre de contre-pression d'une presse rotative à feuilles Expired - Lifetime EP0306682B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT88112088T ATE83193T1 (de)	1987-09-10	1988-07-27	Vorrichtung zum foerdern von bogen durch die druckzone von gummizylinder und druckzylinder einer bogenrotationsdruckmaschine.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3730386A DE3730386C1 (de)	1987-09-10	1987-09-10	Vorrichtung zum Foerdern von Bogen durch die Druckzone von Gummituchzylinder und Druckzylinder einer Bogenrotationsdruckmaschine
DE3730386		1987-09-10

Publications (3)

Publication Number	Publication Date
EP0306682A2 true EP0306682A2 (fr)	1989-03-15
EP0306682A3 EP0306682A3 (en)	1990-05-02
EP0306682B1 EP0306682B1 (fr)	1992-12-09

Family

ID=6335697

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP88112088A Expired - Lifetime EP0306682B1 (fr)	1987-09-10	1988-07-27	Dispositif de transport de feuilles à travers la zone d'impression entre le cylindre presseur et le cylindre de contre-pression d'une presse rotative à feuilles

Country Status (4)

Country	Link
EP (1)	EP0306682B1 (fr)
AT (1)	ATE83193T1 (fr)
DE (2)	DE3730386C1 (fr)
ES (1)	ES2036630T3 (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4318777A1 (de) *	1993-06-05	1994-12-08	Kba Planeta Ag	Einrichtung zur Unterstützung der Bogenführung
DE19826891A1 (de) *	1998-06-17	1999-12-23	Heidelberger Druckmasch Ag	Bogenrotationsdruckmaschine
DE19753089C2 (de) *	1997-11-29	2000-06-29	Roland Man Druckmasch	Bogenführungseinrichtung in einer Druckmaschine
DE19752492C2 (de) *	1997-11-27	2000-08-24	Roland Man Druckmasch	Bogenführungseinrichtung in einer Druckmaschine
EP1075947A1 (fr) *	1999-08-07	2001-02-14	MAN Roland Druckmaschinen AG	Dispositif de guidage de feuilles dans une machine à imprimer.
DE10005391A1 (de) *	2000-02-07	2001-08-09	Roland Man Druckmasch	Verfahren und Vorrichtung zur Bogenführung in einer Rotationsdruckmaschine
CN1078848C (zh) *	1995-12-20	2002-02-06	Kba-普兰尼塔公开股份有限公司	印张暂存滚筒上印张的引导装置
DE19829095C2 (de) *	1998-06-30	2002-04-25	Roland Man Druckmasch	Bogenführungseinrichtung in einer Druckmaschine
US6561508B2 (en)	2000-02-18	2003-05-13	Heidelberger Druckmaschinen Ag	Device and method for transferring a sheet
US6684774B2 (en)	1997-05-09	2004-02-03	Heidelberger Druckmaschinen Ag	Sheet-fed rotary printing press
DE19933438B4 (de) *	1999-07-16	2004-07-08	Man Roland Druckmaschinen Ag	Druckmaschine mit nicht am Druck-/Lackierprozess beteiligten Druck-/Lackwerken
DE19753068B4 (de) *	1997-11-29	2004-12-09	Man Roland Druckmaschinen Ag	Bogenführungseinrichtung in einer Druckmaschine
WO2021004696A1 (fr)	2019-07-09	2021-01-14	Koenig & Bauer Ag	Machine de traitement de feuilles comprenant un dispositif d'inversion, procédé de transport de feuilles et utilisation d'éléments de guidage de feuilles contenant des dispositifs de désionisation

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10056018B4 (de) *	2000-11-11	2014-03-13	Koenig & Bauer Aktiengesellschaft	Einrichtung zur Unterstützung der Bogenführung und Bogenablage
DE102005028838A1 (de) *	2005-06-25	2007-01-04	Man Roland Druckmaschinen Ag	Bogendruckmaschine und Verfahren zum Transportieren von Druckbogen in einer Bogendruckmaschine
DE102007015347A1 (de) *	2007-03-30	2008-10-02	Koenig & Bauer Aktiengesellschaft	Verfahren zur Verminderung von Schwingungen in bogenverarbeitenden Rotationsdruckmaschinen
DE102008001165A1 (de) *	2008-04-14	2009-10-15	Manroland Ag	Bogen führender Zylinder und Verfahren zum Transportieren von Bogen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE7227231U (de) *		1972-10-26	Maschinenfab Augsburg-Nuernberg	Vorrichtung an Bogenrotations-Offsetdruckmaschinen
DE544300C (de) *	1929-06-25	1932-02-17	Albert Schnellpressen	Verfahren und Vorrichtung zum Ausrichten der Bogen bei Mehrfarben-Rotationsdruckmaschinen
DE545919C (de) *	1929-09-18	1932-03-08	Leopold Rado	Einrichtung zum Festhalten von Papier oder Metallfolie, Pflanzenblaettern, Fasern, Staub u. dgl. auf Arbeitsgeraeten, beispielsweise Druckmaschinen
US3355639A (en) *	1965-04-05	1967-11-28	Harris Intertype Corp	Sheet handling apparatus
DE2111049C3 (de) *	1971-03-09	1978-03-23	Koenig & Bauer Ag, 8700 Wuerzburg	Vorrichtung zum Verhindern der Lockenbildung beim Auslegen mit Kettenauslegern der mit Offsetdruckmaschinen bedruckten Papierbogen
DE2836098A1 (de) *	1978-08-17	1980-02-28	Karl Raes	Umstellbare schoen- und widerdruck - bogenoffset-rotationsmaschine mit gummiauf-gummi - druckwerk und vorrichtung zum passgenauen einfuehren der bogen in das druckwerk
DE3220364C2 (de) *	1982-05-29	1985-02-21	M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach	Vorrichtung zum Fördern von Bogen
DE3542649A1 (de) *	1985-12-03	1987-06-04	Roland Man Druckmasch	Bogenwendevorrichtung fuer rotationsdruckmaschinen in reihenbauweise

1987
- 1987-09-10 DE DE3730386A patent/DE3730386C1/de not_active Expired
1988
- 1988-07-27 DE DE8888112088T patent/DE3876547D1/de not_active Expired - Fee Related
- 1988-07-27 EP EP88112088A patent/EP0306682B1/fr not_active Expired - Lifetime
- 1988-07-27 ES ES198888112088T patent/ES2036630T3/es not_active Expired - Lifetime
- 1988-07-27 AT AT88112088T patent/ATE83193T1/de not_active IP Right Cessation

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4318777A1 (de) *	1993-06-05	1994-12-08	Kba Planeta Ag	Einrichtung zur Unterstützung der Bogenführung
CN1078848C (zh) *	1995-12-20	2002-02-06	Kba-普兰尼塔公开股份有限公司	印张暂存滚筒上印张的引导装置
US6684774B2 (en)	1997-05-09	2004-02-03	Heidelberger Druckmaschinen Ag	Sheet-fed rotary printing press
DE19752492C2 (de) *	1997-11-27	2000-08-24	Roland Man Druckmasch	Bogenführungseinrichtung in einer Druckmaschine
DE19753068B4 (de) *	1997-11-29	2004-12-09	Man Roland Druckmaschinen Ag	Bogenführungseinrichtung in einer Druckmaschine
DE19753089C2 (de) *	1997-11-29	2000-06-29	Roland Man Druckmasch	Bogenführungseinrichtung in einer Druckmaschine
DE19826891A1 (de) *	1998-06-17	1999-12-23	Heidelberger Druckmasch Ag	Bogenrotationsdruckmaschine
DE19829095C2 (de) *	1998-06-30	2002-04-25	Roland Man Druckmasch	Bogenführungseinrichtung in einer Druckmaschine
US7107902B1 (en)	1999-07-16	2006-09-19	Man Roland Druckmaschinen Ag	Sheet-guiding device for a printing machine
DE19933438B4 (de) *	1999-07-16	2004-07-08	Man Roland Druckmaschinen Ag	Druckmaschine mit nicht am Druck-/Lackierprozess beteiligten Druck-/Lackwerken
EP1075947A1 (fr) *	1999-08-07	2001-02-14	MAN Roland Druckmaschinen AG	Dispositif de guidage de feuilles dans une machine à imprimer.
DE10005391A1 (de) *	2000-02-07	2001-08-09	Roland Man Druckmasch	Verfahren und Vorrichtung zur Bogenführung in einer Rotationsdruckmaschine
US6561508B2 (en)	2000-02-18	2003-05-13	Heidelberger Druckmaschinen Ag	Device and method for transferring a sheet
WO2021004696A1 (fr)	2019-07-09	2021-01-14	Koenig & Bauer Ag	Machine de traitement de feuilles comprenant un dispositif d'inversion, procédé de transport de feuilles et utilisation d'éléments de guidage de feuilles contenant des dispositifs de désionisation
CN113891801A (zh) *	2019-07-09	2022-01-04	柯尼格及包尔公开股份有限公司	具有翻转装置的单张纸加工机、用于输送单张纸的方法和包含去电离装置的单张纸导向元件的应用
US11498790B2 (en)	2019-07-09	2022-11-15	Koenig & Bauer Ag	Sheet-processing machine comprising a turning device, method for conveying sheets, and use of sheet guide elements containing deionization devices
EP4209351A1 (fr)	2019-07-09	2023-07-12	Koenig & Bauer AG	Machine de traitement de feuilles, utilisation de la machine de traitement de feuilles, procédé de transport de feuilles et utilisation d'éléments conducteurs de feuilles contenant des dispositifs de désionisation
EP4209352A1 (fr)	2019-07-09	2023-07-12	Koenig & Bauer AG	Machine de traitement de feuilles, utilisation de la machine de traitement de feuilles, procédé de transport de feuilles et utilisation d'éléments conducteurs de feuilles contenant des dispositifs de désionisation
EP4209349A1 (fr)	2019-07-09	2023-07-12	Koenig & Bauer AG	Machine de traitement de feuilles, utilisation de la machine de traitement de feuilles, procédé de transport de feuilles et utilisation d'éléments conducteurs de feuilles contenant des dispositifs de désionisation
EP4209350A1 (fr)	2019-07-09	2023-07-12	Koenig & Bauer AG	Machine de traitement de feuilles, utilisation de la machine de traitement de feuilles et procédé de transport de feuilles

Also Published As

Publication number	Publication date
EP0306682A3 (en)	1990-05-02
ES2036630T3 (es)	1993-06-01
DE3730386C1 (de)	1989-04-13
EP0306682B1 (fr)	1992-12-09
DE3876547D1 (de)	1993-01-21
ATE83193T1 (de)	1992-12-15

Legal Events

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Publication	Publication Date	Title
EP0306682B1 (fr)	1992-12-09	Dispositif de transport de feuilles à travers la zone d'impression entre le cylindre presseur et le cylindre de contre-pression d'une presse rotative à feuilles
EP4209351B1 (fr)	2023-10-18	Machine de traitement de feuilles, utilisation de la machine de traitement de feuilles, procédé de transport de feuilles et utilisation d'éléments conducteurs de feuilles contenant des dispositifs de désionisation
EP0660777A1 (fr)	1995-07-05	Dispositif destine a amener et a evacuer des plaques d'impression.
EP0567746A1 (fr)	1993-11-03	Dispositif pour fixer des plaques d'impression sur le cylindre porte-plaque d'une machine à imprimer, en particulier une machine pour imprimer des feuilles en offset
DE4030070C2 (de)	1997-04-17	Bogenspeichereinheit an Rotationsdruckmaschinen
DE19921271A1 (de)	1999-12-09	Verfahren zum Fördern von Bogen in einer Druckmaschine sowie eine Vorrichtung zur Durchführung des Verfahrens
DE102004011114B4 (de)	2019-01-24	Bedruckstoffverarbeitungsmaschine
EP1418049B1 (fr)	2010-05-12	Machine d'impression rotative
EP0372237A2 (fr)	1990-06-13	Dispositif de correction du repérage de la surimpression sur une feuille dans une rotative à feuilles
EP0922577B1 (fr)	2001-10-31	Dispositif pour guider des feuilles dans une machine à imprimer
DE3040388A1 (de)	1982-10-07	Bogenoffsetdruckmaschine mit mindestens einem druckwerk fuer schoen- und widerdruck
DE19901699A1 (de)	1999-08-05	Verfahren und eine Vorrichtung zur Durchführung des Verfahrens zur Beseitigung von rhythmischen Passerfehlern in Rotationsdruckmaschinen
CH666861A5 (de)	1988-08-31	Offsetrotationsdruckmaschine.
EP3643507B1 (fr)	2021-12-01	Dispositif d'impression et procédé d'impression d'un substrat en forme d'arc
EP3863855B1 (fr)	2022-12-21	Dispositif, procédé et machine pour l'impression multiple de feuilles d'impression
DE2314302A1 (de)	1974-09-26	Verfahren zum betrieb einer mehrfarbenbogenrotations-offsetdruckmaschine und vorrichtung zur durchfuehrung
DE19613963C2 (de)	1999-03-04	Vorrichtung zum Ablösen eines Bogens von einem Gummizylinder einer Druckmaschine
EP2072436A2 (fr)	2009-06-24	Système de pinces mobiles pour le transport de feuilles
DD225409A1 (de)	1985-07-31	Einrichtung in bogenauslegern
DE19635388A1 (de)	1998-03-05	Bogenrotationsoffsetdruckmaschine
DE102007061399A1 (de)	2009-06-25	Wendeeinrichtung in einer bogenverarbeitenden Maschine
DE10146072A1 (de)	2002-06-27	Geradstoßer für auf einen Stapel abgelegte Bogen
DE102006032923B3 (de)	2007-09-13	Leiteinrichtung an Bogenrotationsdruckmaschinen
DE102005030813B4 (de)	2013-10-31	Maschine zum Verarbeiten eines Bogens aus Bedruckstoff
DD225411B1 (de)	1989-06-21	Einrichtung zur einwirkung auf den bogen in bogenauslegern