EP0802053A1 - Dispositif de guidage de feuilles pour un cylindre de transfert de feuilles d'une machine d'impression - Google Patents

Dispositif de guidage de feuilles pour un cylindre de transfert de feuilles d'une machine d'impression Download PDF

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Publication number
EP0802053A1
EP0802053A1 EP97103903A EP97103903A EP0802053A1 EP 0802053 A1 EP0802053 A1 EP 0802053A1 EP 97103903 A EP97103903 A EP 97103903A EP 97103903 A EP97103903 A EP 97103903A EP 0802053 A1 EP0802053 A1 EP 0802053A1
Authority
EP
European Patent Office
Prior art keywords
sheet
guiding device
guide
printing press
cylinder
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.)
Granted
Application number
EP97103903A
Other languages
German (de)
English (en)
Other versions
EP0802053B1 (fr
Inventor
Hanns-Otto Haas
Bernd Lindner
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
Publication of EP0802053A1 publication Critical patent/EP0802053A1/fr
Application granted granted Critical
Publication of EP0802053B1 publication Critical patent/EP0802053B1/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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/36—Article guides or smoothers, e.g. movable in operation
    • B65H5/38—Article guides or smoothers, e.g. movable in operation immovable in operation
    • 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
    • B41F21/102—Combinations of transfer drums and grippers with pneumatic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F25/00—Devices for pressing sheets or webs against cylinders, e.g. for smoothing purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/52—Stationary guides or smoothers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid

Definitions

  • the invention relates to a sheet guiding device for a sheet-guiding printing press cylinder according to the preamble of the main claim.
  • a sheet guiding device of this type is known from EP 0 306 684 B1.
  • the device is used to press a sheet against the impression cylinder. After passing through a printing zone, the sheet is guided in the area between the printing zone and the transfer area (tangent point) of a subsequent turning drum by means of blown air on the printing cylinder.
  • Another sheet guiding device is known from DE 3 608 795 A1. Thereafter, before and after a pressure zone, the arrangement of a blowpipe acting across the width of the sheet with nozzles is known which have an actuating element between the sheet and blowpipe.
  • the object of the invention is to develop a lubrication-free sheet guide which also takes into account the sheet format to be processed.
  • the sheet guiding device which is assigned to the sheet-guiding printing press cylinder before and / or after a printing zone, extends between two side frames.
  • the Individual guide elements can be arranged close to one another or can also extend at defined intervals over the length of the cylinder.
  • guide elements are switched on or off in accordance with the respective sheet format on the guide elements which exceed the format width.
  • the outer pneumatically actuated guide elements are switched off.
  • the guide elements can also be switched on and off alternately, even beyond the format.
  • a turning device is arranged between two printing units in a sheet-fed rotary printing press for perfecting and perfecting.
  • the printing unit arranged upstream in the sheet running direction 11 is formed in a known manner by a sheet-guiding printing press cylinder, a blanket cylinder and a plate cylinder.
  • the ink and dampening system training will not be discussed further here.
  • the sheet guiding device according to the invention is arranged after a printing zone formed by the printing press cylinder and blanket cylinder and in front of the transfer area formed by the printing press cylinder and downstream turning drum.
  • the sheet guiding device can be swiveled in and out of the printing press cylinder.
  • the sheet guiding device is formed by a hollow blowing device 3, e.g. a blow pipe, which extends over the length of the printing press cylinder.
  • the blowing device 3 has hollow guide elements 4 which are adapted to the curvature of the printing press cylinder.
  • the guide elements 4 are multiply adjacent to one another, preferably spaced, over the length of the printing press cylinder analogously to Bladder 3 arranged on this.
  • Each hollow guide element 4 has outlet openings 5, for example bores, on the contour facing the arch 1
  • each cavity of a guide element 4 is connected to the cavity of the blowing unit 3 through a throughflow opening 6.
  • the blowing unit 3 also has an adjusting device 8, which carries a closure element 7, for each guide element 4.
  • the closure element 7 is assigned to the flow opening 6.
  • Each actuating device 8 is provided with signal connection 9, which is connected to a controller 10, e.g. a control center.
  • the blowing unit 3 is coupled to an air supply.
  • the mode of operation is as follows:
  • the blower unit 3 is supplied with blown air by the air supply. This flows out of the cavity of the blowing unit 3 through the open through-flow openings 6 into the cavity of each guide element 4 and flows through the outlet opening 5 onto the sheet 1.
  • the control elements 4, which extend beyond the respective format width 2 are individually closed or also opened by the controller 10.
  • the switching on and off of the blown air at the outlet openings 5 is thus controlled via the sheet format width 2. If the actuating device 8 receives a corresponding signal for activation, the closure element 7 closes the flow-through opening 6 for the purpose of switching off the blown air.
  • the closure element 7 opens the throughflow opening 6 and thus clears the way for the blown air, which can strike the sheet 1 from the outlet openings 5. With this, the lubrication-free sheet guidance is realized. Furthermore, depending on the positioning, the closure element 7 can also make the opening 6 variable in its degree of opening, so that the amount of blown air is regulated. Switching off the blown air supply for the guide elements 4 extending beyond the format width 2 leads to a smooth sheet guidance on the printing press cylinder, since there is no need to blow the sheet 1 and the sheet 1 is better pressed against the impression cylinder by the force of the blowing air flowing out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
EP97103903A 1996-04-19 1997-03-08 Dispositif de guidage de feuilles pour un cylindre de transfert de feuilles d'une machine d'impression Expired - Lifetime EP0802053B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29607087U 1996-04-19
DE29607087U DE29607087U1 (de) 1996-04-19 1996-04-19 Bogenleiteinrichtung für einen bogenführenden Druckmaschinenzylinder

Publications (2)

Publication Number Publication Date
EP0802053A1 true EP0802053A1 (fr) 1997-10-22
EP0802053B1 EP0802053B1 (fr) 1999-07-07

Family

ID=8022795

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97103903A Expired - Lifetime EP0802053B1 (fr) 1996-04-19 1997-03-08 Dispositif de guidage de feuilles pour un cylindre de transfert de feuilles d'une machine d'impression

Country Status (4)

Country Link
EP (1) EP0802053B1 (fr)
JP (1) JP3034822B2 (fr)
AT (1) ATE181881T1 (fr)
DE (2) DE29607087U1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2783748A1 (fr) * 1998-09-26 2000-03-31 Roland Man Druckmasch Dispositif de guidage de feuilles ayant une surface de guidage dans une machine d'impression
DE19954390C1 (de) * 1999-11-12 2000-10-19 Roland Man Druckmasch Pneumatische Bogenführungseinrichtung in einer Druckmaschine
WO2005047000A1 (fr) * 2003-11-17 2005-05-26 Silverbrook Research Pty Ltd Ensemble boitier de ventilateur pour imprimante
EP1621495A1 (fr) * 2004-07-29 2006-02-01 König & Bauer AG Dispositif de guidage de feuilles pour une table de marge
DE10151423B4 (de) * 2000-10-26 2014-07-24 Heidelberger Druckmaschinen Ag Vorrichtung zur Einstellung eines einen Bogentransport beeinflussenden Luftstroms in einer Druckmaschine, und entsprechendes Verfahren

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19701230C1 (de) * 1997-01-16 1998-02-19 Roland Man Druckmasch Pneumatische Bogenleiteinrichtung in einer Druckmaschine
US6064753A (en) * 1997-06-10 2000-05-16 International Business Machines Corporation System and method for distortion control in live-scan inkless fingerprint images
CN103425147A (zh) * 2013-09-06 2013-12-04 新乡市瑞博印刷包装机械有限公司 单张纸张力控制装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608795A1 (de) * 1985-06-17 1986-12-18 Kba-Planeta Ag, 01445 Radebeul Einrichtung zur abschmierfreien bogenfuehrung in bogendruckmaschinen
EP0306684A2 (fr) * 1987-09-11 1989-03-15 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
DE9116179U1 (de) * 1991-03-05 1992-03-19 Koenig & Bauer AG, 8700 Würzburg Düsenanordnung für die Bogenführung in Bogenrotationsdruckmaschinen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD294676A5 (de) * 1990-05-28 1991-10-10 Planeta,Druckmaschinenwerk Ag,De Saugwalze in auslagen von druckmaschinen
DE4410189A1 (de) * 1994-03-24 1995-09-28 Heidelberger Druckmasch Ag Leiteinrichtung für bewegtes Bogenmatrial in Druckmaschinen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608795A1 (de) * 1985-06-17 1986-12-18 Kba-Planeta Ag, 01445 Radebeul Einrichtung zur abschmierfreien bogenfuehrung in bogendruckmaschinen
EP0306684A2 (fr) * 1987-09-11 1989-03-15 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
DE9116179U1 (de) * 1991-03-05 1992-03-19 Koenig & Bauer AG, 8700 Würzburg Düsenanordnung für die Bogenführung in Bogenrotationsdruckmaschinen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2783748A1 (fr) * 1998-09-26 2000-03-31 Roland Man Druckmasch Dispositif de guidage de feuilles ayant une surface de guidage dans une machine d'impression
DE19954390C1 (de) * 1999-11-12 2000-10-19 Roland Man Druckmasch Pneumatische Bogenführungseinrichtung in einer Druckmaschine
DE10151423B4 (de) * 2000-10-26 2014-07-24 Heidelberger Druckmaschinen Ag Vorrichtung zur Einstellung eines einen Bogentransport beeinflussenden Luftstroms in einer Druckmaschine, und entsprechendes Verfahren
WO2005047000A1 (fr) * 2003-11-17 2005-05-26 Silverbrook Research Pty Ltd Ensemble boitier de ventilateur pour imprimante
EP1621495A1 (fr) * 2004-07-29 2006-02-01 König & Bauer AG Dispositif de guidage de feuilles pour une table de marge

Also Published As

Publication number Publication date
DE29607087U1 (de) 1996-07-11
JP3034822B2 (ja) 2000-04-17
DE59700248D1 (de) 1999-08-12
ATE181881T1 (de) 1999-07-15
JPH1034882A (ja) 1998-02-10
EP0802053B1 (fr) 1999-07-07

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