EP0754552B1 - Procédé et dispositif de lavage d'un cylindre de plaque et d'un rouleau d'application dans une machine d'impression - Google Patents

Procédé et dispositif de lavage d'un cylindre de plaque et d'un rouleau d'application dans une machine d'impression Download PDF

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Publication number
EP0754552B1
EP0754552B1 EP96110882A EP96110882A EP0754552B1 EP 0754552 B1 EP0754552 B1 EP 0754552B1 EP 96110882 A EP96110882 A EP 96110882A EP 96110882 A EP96110882 A EP 96110882A EP 0754552 B1 EP0754552 B1 EP 0754552B1
Authority
EP
European Patent Office
Prior art keywords
cleaning fluid
applicator roller
forme cylinder
washing
feed
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
EP96110882A
Other languages
German (de)
English (en)
Other versions
EP0754552A1 (fr
Inventor
Manfred Herold
Georg Hartung
Ulrich Dr. Jung
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 EP0754552A1 publication Critical patent/EP0754552A1/fr
Application granted granted Critical
Publication of EP0754552B1 publication Critical patent/EP0754552B1/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
    • B41F35/00—Cleaning arrangements or devices
    • B41F35/02—Cleaning arrangements or devices for forme cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/26—Spraying devices

Definitions

  • the invention relates to a method and a device for washing a forme cylinder and an associated applicator roller in a printing press, preferably in a Offset printing machine with at least one coating unit.
  • a washing device of this type is known from WO 95/01876.
  • the washing device can be moved parallel to the axis of a plate cylinder to be cleaned.
  • a Cleaning medium in the form of compressed air with optional granular additives or in the form of a cleaning liquid with optional granular additives Washer operated.
  • the device has a feed for Cleaning medium and suction.
  • the cleaning medium is based on the cliché sprayed on and then vacuumed. This also removes impurities and color aspirated. When using grain-shaped additives, the quality of the cliché negatively influenced.
  • the object of the invention is to develop a solution that the drying of quick-drying Media on the application roller and, if necessary, reduced on the forme cylinder.
  • the invention in connection with the device for carrying out the method, allows the combined washing of forme cylinders with clamped printing form and the application roller, in particular a rastered application roller. That with rastered application rollers known "clogging" of the cells, which is an undefined reduction in the Scooping volume is prevented.
  • the solution according to the invention allows the automated washing of application roller and form cylinder within the printing press in different operating conditions. The cleaning times are determined by the combined washing shortened. Water is preferably used as the cleaning agent used. Alternatively, solvents can also be used, which are essentially water contain.
  • Color or varnish are preferably used as the quick-drying media.
  • the last printing unit in the machine direction is one Subordinate coating unit and is used for inline coating of substrates.
  • the Coating unit consists essentially of a leading the substrate Printing cylinder 1, to which a form cylinder 2 which can be switched on and off is assigned.
  • the forme cylinder 2 carries a high pressure mold which is essentially formed from a flexible elastomer is.
  • An applicator roller 3, which can be switched on and off, is assigned to the form cylinder 2.
  • the Applicator roller 3 has a grid structure and is made of ceramic. To the Applicator roller 3 can be turned on and off by a feed device 4, which in the present embodiment a chambered doctor blade is arranged.
  • the feed device 4 has a line system for the supply or discharge of the medium to be processed, in the present Example is a dispersion varnish.
  • Printing cylinder 1, forme cylinder 2, applicator roller 3 and the feed device 4 are mounted in side frames in a known manner.
  • a washing device 5 is arranged, which on a Traverse fixed in the side frames parallel to the axis of the forme cylinder 2 and the application roller 3 is movable.
  • the washing device 5 has two curved surfaces that are arranged in a gap 12 at a distance from the form cylinder 2 and applicator roller 3. The surfaces preferably run concentrically to the lateral surfaces of the forme cylinder 2 and applicator roller 3.
  • Each surface has a spray device 10, which in Direction of rotation of the application roller 4 or the forme cylinder 2, a suction device 11 each is subordinate.
  • the spray devices 10 each have a cleaning fluid supply 6 connected.
  • the suction device 11 are each with a cleaning fluid discharge 7 connected.
  • the cleaning fluid feeds 6 and the cleaning fluid discharges 7 end in a common container 9 for receiving the cleaning fluid and thus form a circulatory system.
  • a control unit 8 is integrated in terms of circuitry, that controls the washing process.
  • the mode of action is as follows: In printing mode (print on position), the medium lacquer is fed to the screened application roller 3 by the feed device 4. The application roller 3 transfers this varnish metered to the form cylinder 2, which refines the printing material in connection with the printing cylinder 1. While the forme cylinder 2 is stirring paint, the cleaning fluid is sprayed onto the forme cylinder 2 in a controlled manner by means of a spray device 10 and continuously sucked off by means of a suction device 11. The washing device 5 is moved axially back and forth parallel to the forme cylinder 2. In the printing on position, the surface of the washing device 5 adjacent to the application roller 3 is not activated. In the pressure-free operation (print from position), the forme cylinder 2 is decoupled from the application roller 3.
  • the cleaning fluid is sprayed in a controlled manner by the spray devices 10 onto the forme cylinder 2 and onto the applicator roller 3 and is continuously sucked off from the outer surfaces of the forme cylinder 2 and the applicator roller 3.
  • the rotating applicator roller 3 can continue to be supplied with paint continuously, while its outer surface is washed.
  • the supply of lacquer to the application roller 3 is stopped during pressure-free operation, while the outer surface of which is being washed.
  • the forme cylinder 2 can optionally be washed with it.
  • the application roller 3 can also be washed separately by stopping the forme cylinder or using it for other work and separating it from the application roller 3.
  • the cleaning fluid is then sprayed exclusively onto the rotating applicator roller and sucked off from its outer surface.
  • the forme cylinder 2 is then ready, for example, for a printing form change.
  • the coating unit is preferably washed synchronously with the upstream printing units and / or further coating units, but separate washing in the coating unit is also possible.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Coating Apparatus (AREA)

Claims (9)

  1. Procédé pour laver un cylindre gravé et un rouleau d'application associé, couplé à un dispositif d'amenée, dans une machine d'impression, ayant un dispositif de lavage avec amenée de fluide de nettoyage et évacuation de fluide de nettoyage,
    caractérisé en ce que, dans le fonctionnement d'impression, tandis que le rouleau d'application amène un agent liquide au cylindre gravé, un fluide de nettoyage est pulvérisé sur le cylindre gravé rotatif et aspiré de sa surface d'enveloppe, et en ce que, en fonctionnement sans impression, un fluide de nettoyage est pulvérisé sur le rouleau d'application rotatif, séparé du cylindre gravé, et sur le cylindre gravé rotatif et est aspiré de leurs surfaces d'enveloppe.
  2. Procédé selon la revendication 1,
    caractérisé en ce que, dans le fonctionnement sans impression, l'agent liquide est amené de façon continue au rouleau d'application rotatif.
  3. Procédé selon la revendication 1,
    caractérisé en ce que, dans le fonctionnement sans impression, l'amenée de l'agent liquide au rouleau d'application rotatif est stoppée.
  4. Procédé selon la revendication 1,
    caractérisé en ce que le cylindre gravé porte une forme typographique.
  5. Dispositif pour laver un cylindre gravé ayant un rouleau d'application associé et un dispositif d'amenée disposé en amont du rouleau d'application, le dispositif de lavage pouvant être déplacé parallèlement à l'axe du cylindre gravé et présentant une amenée de fluide de nettoyage et une évacuation de fluide de nettoyage,
    caractérisé en ce que le dispositif de lavage (5) présente deux surfaces cintrées, une première surface étant associée au cylindre gravé (2) et une seconde surface au rouleau d'application (3), à chaque fois, de façon écartée par une fente (12), en ce que chaque surface présente un dispositif de pulvérisation (10) et un dispositif d'aspiration (11), en ce que chaque dispositif de pulvérisation (10) est couplé à une amenée de fluide de nettoyage séparée (6), en ce que chaque dispositif d'aspiration (11) est coupé à une évacuation de fluide de nettoyage séparée (7), en ce que les dispositifs de pulvérisation (10) et les dispositifs d'aspiration (11) peuvent être commandés individuellement par une unité de commande commune (8), et en ce que les amenées de fluide de nettoyage (6) et les évacuations de fluide de nettoyage (7) sont reliées à au moins un récipient commun (9) pour recevoir un fluide de nettoyage.
  6. Dispositif selon la revendication 5,
    caractérisé en ce que, dans le sens de rotation du rouleau d'application (3) ou du cylindre gravé (2), le dispositif de pulvérisation (10) est à chaque fois agencé en amont du dispositif d'aspiration (11).
  7. Dispositif selon la revendication 5,
    caractérisé en ce que le rouleau d'application est un rouleau à trame.
  8. Dispositif selon la revendication 5,
    caractérisé en ce que le dispositif d'amenée (4) est une racle à chambre pouvant être réglée en s'approchant ou en s éloignant du rouleau d'application.
  9. Dispositif selon la revendication 5,
    caractérisé en ce que le fluide de nettoyage est de l'eau ou contient généralement de l'eau.
EP96110882A 1995-07-20 1996-07-05 Procédé et dispositif de lavage d'un cylindre de plaque et d'un rouleau d'application dans une machine d'impression Expired - Lifetime EP0754552B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19526574 1995-07-20
DE19526574A DE19526574C1 (de) 1995-07-20 1995-07-20 Verfahren und Vorrichtung zum Waschen eines Formzylinders und einer zugeordneten Auftragwalze in einer Druckmaschine

Publications (2)

Publication Number Publication Date
EP0754552A1 EP0754552A1 (fr) 1997-01-22
EP0754552B1 true EP0754552B1 (fr) 1998-11-11

Family

ID=7767371

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96110882A Expired - Lifetime EP0754552B1 (fr) 1995-07-20 1996-07-05 Procédé et dispositif de lavage d'un cylindre de plaque et d'un rouleau d'application dans une machine d'impression

Country Status (6)

Country Link
US (1) US5740739A (fr)
EP (1) EP0754552B1 (fr)
JP (1) JP2866059B2 (fr)
AT (1) ATE173196T1 (fr)
DE (2) DE19526574C1 (fr)
DK (1) DK0754552T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004015336A1 (de) * 2004-03-30 2005-10-20 Koenig & Bauer Ag Einrichtung zum Reinigen der Farbwerke einer Satellitendruckmaschine

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29516976U1 (de) * 1995-10-26 1995-12-21 MAN Roland Druckmaschinen AG, 63075 Offenbach Waschvorrichtung zur Reinigung von Zylindern eines Offsetdruckwerkes
DE29616686U1 (de) * 1996-09-25 1996-11-14 MAN Roland Druckmaschinen AG, 63075 Offenbach Einrichtung zum Beschichten von Bedruckstoffen mit einer Flüssigkeit
DE19645934A1 (de) * 1996-11-07 1998-05-14 Roland Man Druckmasch Rasterwalze innerhalb eines Auftragswerkes einer Rotationsdruckmaschine
DE19732235A1 (de) * 1997-07-26 1999-01-28 Michael Dr Marks Druckmaschine mit einer Einrichtung zum Reinigen der Druckträger
ES2138421T3 (es) * 1997-07-30 2000-01-01 Oxy Dry Maschinen Gmbh Dispositivo para la limpieza de cilindros de una maquina impresora.
DE50012286D1 (de) * 2000-10-13 2006-04-27 Fischer & Krecke Gmbh & Co Flexodruckmaschine mit Waschvorrichtung für den Gegendruckzylinder
US6799514B2 (en) 2002-01-11 2004-10-05 The Procter & Gamble Company Cleaning apparatus for printing press
DK176859B1 (da) * 2003-04-01 2010-01-04 Tresu Anlaeg As Trykværk, trykmaskine med sådan trykværk, værktöj til brug i trykmaskinen samt fremgangsmåde til brug af trykværket for trykning med flexofarver og lak
JP4625286B2 (ja) * 2004-08-18 2011-02-02 株式会社小森コーポレーション コーティング装置
DE102005048974B4 (de) * 2005-06-17 2008-07-10 Koenig & Bauer Aktiengesellschaft Flexodruckmaschine
KR101160833B1 (ko) 2005-07-11 2012-06-28 삼성전자주식회사 액정 표시 장치의 제조 장치
US20080229949A1 (en) * 2007-03-20 2008-09-25 Komori Corporation Liquid transfer apparatus
DE102011100284A1 (de) * 2010-05-27 2011-12-01 Heidelberger Druckmaschinen Ag Einrichtung zum Dosieren einer drucktechnischen Beschichtungsflüssigkeit auf einer Walze
US9272506B2 (en) * 2014-06-29 2016-03-01 Xerox Corporation Systems and methods for implementing an advanced inker unit surface conditioning system in a variable data digital lithographic printing device
JP6912155B2 (ja) * 2014-10-20 2021-07-28 三菱重工機械システム株式会社 フレキソ印刷機および製函機

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US1378278A (en) * 1921-05-17 Machine
GB191318224A (en) * 1913-08-11 1914-03-19 John Davidson Improvements in Food Preserving and like Cans.
US1703015A (en) * 1926-09-11 1929-02-19 Ratignier Marius Apparatus for printing textile fabrics
US4870900A (en) * 1986-02-07 1989-10-03 Air Stamping, Inc. Combined bearer wiper assembly and finger guard for printing apparatus
DE3735302A1 (de) * 1987-10-17 1989-04-27 Roland Man Druckmasch Vorrichtung zum reinigen eines uebertragungszylinders einer rotationsdruckmaschine
AT393246B (de) * 1989-03-31 1991-09-10 Hwb Maschinenbau Auftragsvorrichtung zum aufbringen fliessfaehiger medien auf ebene flaechen, bahnen, walzen od. dgl.
DE4206181A1 (de) * 1992-02-28 1993-09-02 Baldwin Gegenheimer Gmbh Vorrichtung zur aufbringung von reinigungsfluessigkeit auf einen zylinder einer rotationsdruckmaschine
DE4301950A1 (de) * 1993-01-25 1994-07-28 Koenig & Bauer Ag Verfahren und Vorrichtung zum Verhindern eines Niederschlages eines unerwünschten aerosolartigen Mediums in einer Rotationsdruckmaschine
US5367982A (en) * 1993-02-25 1994-11-29 Howard W. DeMoore Automatic coating circulation and wash-up system for printing presses
DK83193A (da) * 1993-07-09 1995-01-10 Tresu A S Maskinfabriken Fremgangsmåde og apparat til rensning af overfladen på en valse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004015336A1 (de) * 2004-03-30 2005-10-20 Koenig & Bauer Ag Einrichtung zum Reinigen der Farbwerke einer Satellitendruckmaschine

Also Published As

Publication number Publication date
DK0754552T3 (da) 1999-07-26
DE19526574C1 (de) 1996-10-17
US5740739A (en) 1998-04-21
JP2866059B2 (ja) 1999-03-08
JPH0929948A (ja) 1997-02-04
ATE173196T1 (de) 1998-11-15
EP0754552A1 (fr) 1997-01-22
DE59600800D1 (de) 1998-12-17

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