EP1097813A2 - Machine d'impression rotative à feuilles comportant des unités d'impression pour l'impression en polychromie et au moins une unité de couchage - Google Patents

Machine d'impression rotative à feuilles comportant des unités d'impression pour l'impression en polychromie et au moins une unité de couchage Download PDF

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Publication number
EP1097813A2
EP1097813A2 EP00118343A EP00118343A EP1097813A2 EP 1097813 A2 EP1097813 A2 EP 1097813A2 EP 00118343 A EP00118343 A EP 00118343A EP 00118343 A EP00118343 A EP 00118343A EP 1097813 A2 EP1097813 A2 EP 1097813A2
Authority
EP
European Patent Office
Prior art keywords
sheet
printing
cleaning
roller
coating
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
EP00118343A
Other languages
German (de)
English (en)
Other versions
EP1097813A3 (fr
EP1097813B1 (fr
Inventor
Jürgen Schölzig
Uwe Püschel
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 EP1097813A2 publication Critical patent/EP1097813A2/fr
Publication of EP1097813A3 publication Critical patent/EP1097813A3/fr
Application granted granted Critical
Publication of EP1097813B1 publication Critical patent/EP1097813B1/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
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/08—Print finishing devices, e.g. for glossing prints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • B41F35/04—Cleaning arrangements or devices for inking rollers
    • 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
    • B41P2235/14—Cleaning characterised by the methods or devices using ultrasonic energy
    • 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
    • B41P2235/20—Wiping devices
    • B41P2235/21—Scrapers, e.g. absorbent pads
    • 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 sheet-fed rotary printing press Printing units for multi-color printing and at least one Coating unit according to the preamble of the main claim.
  • a rotary printing press of this type is known from EP 0620 115 B1 known.
  • For inline coating of sheet-shaped substrates are at least two painting units as coating units intended.
  • the one upstream in the direction of sheet travel The coating unit is a flexographic printing unit with one a high pressure mold and with the bow leading Impression cylinder in contact with forme cylinder, one with the form cylinder in contact with the rastered application roller for inking (coating) and an adjustable chamber doctor blade, with a feed pump for coating liquid supply and a suction pump for coating liquid return is connected, trained.
  • DE 195 26 574 C1 describes a method and a device for cleaning one forme cylinder (with printing form) and one Applicator roller known, causing the drying of quick-drying Media on the application roller and on the forme cylinder is reduced.
  • the washing device has two curved ones Areas that the application roller and the form cylinder are facing.
  • a chambered doctor blade as a metering system is known from US 5,121,689. Here is the working squeegee with an ultrasonic device coupled to the layer thickness of the printing ink the metering roller.
  • DE 41 21 017 C2 discloses a washing device with a soft, smooth rubber-coated roller and an associated Scraper roller with a polygonal cross section. To the Removing ink from the stripper roller jacket an ultrasonic cleaning device is provided.
  • the invention is based on the object of a sheet-fed rotary printing press to create the type described at the beginning, which avoids the disadvantages mentioned, in particular a stable quality allowed during the coating process and noticeably reduces contamination of coating fluid.
  • a first advantage is that in a dosing system, preferably formed from a chambered doctor blade and an associated one screened application roller, the application roller continuously or can be cleaned intermittently of dirt.
  • Applicator roller instead of a grid (cell and bars) Applicator roller also an applicator roller with a smooth surface can be used within a dosing system.
  • color cleavages (Flexographic and / or offset printing ink from the previous one Printing process) from the substrate to the dosing system in particular the first coating unit can be avoided.
  • This Color cleavages result from the printing process in the Direction of delivery upstream printing units.
  • a chambered doctor blade with a raster Roller build-up of paint residue inside of the chambered doctor blade and / or the application roller and thus possible Mixing with the coating fluid can be avoided.
  • two-roll mills (according to the squeeze roll principle with a jointly formed nip) are accumulations of paint residues in the metering roller and applicator roller formed nip and / or the applicator roll avoidable.
  • Another advantage is that the number of Cleaning intervals for the respective dosing system with Application roller are reducible.
  • a printing press is provided with a plurality of printing units 12 for the Multi-color printing, preferably offset printing units, in series formed, the arcuate in the conveying direction 5 Substrates a first coating device 13 and a second coating device 14 for the printing units 12 are subordinate. Between the coating facilities 13, 14, a dryer unit 15 is preferably arranged. The second coating device 14 is a boom 19 subordinate, among other things by circulating conveyor systems 21 is formed, the sheets on a delivery stack 22nd lay down. The invention is also in the case of multiple arrangements Coating devices 13, 14 can be used.
  • a printing unit 12 essentially consists of a plate cylinder 16, a blanket cylinder 17 and a sheet guide cylinder 1, here a pressure cylinder.
  • the plate cylinder 16 is assigned an inking unit and, if appropriate, is a dampening unit adjacent to the plate cylinder 16 assigned, which will not be discussed in more detail here.
  • each one Sheet guide cylinder 18 as a transfer cylinder for transport the sheet-shaped substrates.
  • the sheet guide cylinders 1, 18 are based on a single size Blanket cylinder 17 and forme cylinder 2 are double-sized.
  • the first coating device 13 is a coating unit for Example of processing dispersion varnish with pigments on an aqueous basis, formed and consists of a sheet guide cylinder 1 (impression cylinder), one with the sheet guide cylinder 1 contactable forme cylinder 2, the a flexible high-pressure plate as a lacquer form, and one first dosing system 20.
  • the first dosing system 20 is through a gridable which can be brought into contact with the forme cylinder 2
  • Application roller 3 (provided with a cup and webs) and a with this applicator roller 3 in functional connection Chamber squeegee 4 formed.
  • the second coating device 14 is also as Coating unit, for example for processing dispersion lacquer on an aqueous basis, trained and in turn consists of a sheet guide cylinder 1 (impression cylinder), one with the Sheet guiding cylinder 1, contactable form cylinder 2, which carries a rubber blanket and a second metering system 20.
  • the second metering system 20 is through one with the forme cylinder 2 contactable applicator roller 3 with preferred smooth surface and a metering roller 23 with common Roll nip formed.
  • Each dosing system 20 has a line system Feed line 10 and return line 11 for the circulation of a liquid coating medium or a cleaning fluid on.
  • the supply lines 10 and the return lines open 11 inside the dosing systems 20. With a chambered doctor blade 4, this is the chamber, which with the applicator roller 3 in Functional connection is.
  • the feed line 10 opens above the jointly formed nip and the return line 11 is discharged at the front of the nip.
  • each Application roller 3 and each forme cylinder 2 there is between each Application roller 3 and each forme cylinder 2 formed a gap 6.
  • the application rollers 3 and the forme cylinder 2 are on or parkable.
  • the coating units arranged downstream of the printing units 12 13, 14 each have one of the corresponding applicator rollers 3 assignable and disengageable and across the roller width extending cleaning doctor system 8, which between your gap 6 (contact point of forme cylinder 2 and Applicator roller 3) in the direction of rotation 7 of the corresponding applicator roller 3 to the respective metering system 20 (doctor blade 4, metering roller 23) is upstream.
  • the cleaning doctor system 8 preferably has one each with the applicator roller 3 in functional connection standing closing squeegee and a working squeegee. Closing and working squeegees are on one forming the chamber Housing, which has lateral sealing elements, detachable arranged.
  • the cleaning doctor system 8 preferably has an ultrasonic oscillation system 9, whose vibrations are immediate are directed onto the roller surface of the applicator roller 3.
  • the ultrasonic vibration system 9 is preferably on the housing of the Cleaning squeegee system 8 fixed. Furthermore, the cleaning squeegee system 8 with one opening into the interior of the chamber or laxative feed system 24 or a return system 25 for the circulation of a cleaning fluid, e.g. Water, coupled on the line side.
  • the circulation is controllable Pump system operated.
  • the ultrasonic vibration system 9 can be switched on or off during the coating process (dosing system 20 is active) and is connected in terms of circuitry to a machine control.
  • the cleaning squeegee system 8 can be turned on or off during the coating process for the application roller 3, for example by means of a swivel joint and working cylinder. In the employed state, a cleaning fluid can be introduced via the feed system 24 and the return system 25. If necessary, the ultrasonic vibration system 9 can then be activated.
  • the cleaning doctor system 8 with doctor blades and feed and return system 24, 25 can preferably be used.
  • the above-mentioned cleaning system 8 with an additional ultrasonic vibration system 9 is preferably used.
  • the cleaning doctor system 8 opposite the metering system 20, here the chambered doctor blade 4, assigned to the application roller 3 and has a closing and a working squeegee.
  • the cleaning doctor system 8 is in the metering system 20, here in the doctor blade 4, integrated, but in the direction of rotation 7 upstream of the doctor blade 4. Is an advantage here that only a doctor blade for separating the Chambers of chamber doctor 4 and cleaning doctor system 8 required is saved and thus another doctor blade becomes.
  • FIG. 4 the cleaning doctor system 8 is again with Squeegee and working squeegee formed, but on the same Side like the doctor blade 4 to the applicator roller 3 and in Direction of rotation 7 arranged in front of this.
  • Chamber doctor 4 directly to the cleaning doctor system 8.
  • 5 shows a spatial separation of the chamber doctor blade 4 and cleaning squeegee system 8, which on the same Side to the applicator roller 3 are arranged.
  • a color cleavage occurs during the coating process on the application roller 3 (possibly in the metering system 20) in the first or second coating unit 13, 14 or possibly further coating units, so is the respective one Cleaning squeegee system 8 can be activated.
  • This by means of a feed system 24 and return system 25 circulating cleaning fluid is with brought into contact with the surface of the application roller 3, the Color is loosened and removed.
  • Ultrasonic vibration system 9 for additional support of the Activating cleaning effect.
  • the cleaning process is can be carried out continuously or discontinuously.
  • a blowing device e.g. on across the roll width extending blow tube, for drying the applicator roller 3 be arranged by blowing.
  • the cleaning doctor system 8 can Inside at least one that supports the cleaning effect Have a cleaning brush.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Coating Apparatus (AREA)
  • Rotary Presses (AREA)
  • Electronic Switches (AREA)
EP00118343A 1999-10-20 2000-08-24 Machine d'impression rotative à feuilles comportant des unités d'impression pour l'impression en polychromie et au moins une unité de couchage Expired - Lifetime EP1097813B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29918488U 1999-10-20
DE29918488U DE29918488U1 (de) 1999-10-20 1999-10-20 Bogenrotationsdruckmaschine mit Druckeinheiten für den Mehrfarbendruck und wenigstens einer Beschichtungseinheit

Publications (3)

Publication Number Publication Date
EP1097813A2 true EP1097813A2 (fr) 2001-05-09
EP1097813A3 EP1097813A3 (fr) 2001-05-23
EP1097813B1 EP1097813B1 (fr) 2003-07-09

Family

ID=8080533

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00118343A Expired - Lifetime EP1097813B1 (fr) 1999-10-20 2000-08-24 Machine d'impression rotative à feuilles comportant des unités d'impression pour l'impression en polychromie et au moins une unité de couchage

Country Status (5)

Country Link
US (1) US6371024B1 (fr)
EP (1) EP1097813B1 (fr)
JP (1) JP3392822B2 (fr)
AT (1) ATE244638T1 (fr)
DE (2) DE29918488U1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005013013A2 (fr) * 2003-07-29 2005-02-10 OCé PRINTING SYSTEMS GMBH Dispositif et procede pour le developpement liquide electrophoretique
US7471907B2 (en) 2003-07-29 2008-12-30 Oce Printing Systems Gmbh Device and method for electrophoretic liquid development
DE102010000549A1 (de) 2010-02-25 2011-08-25 Océ Printing Systems GmbH, 85586 Vorrichtung und Verfahren zur Entwicklung von auf einem Zwischenbildträger erzeugten Potentialbilder bei einer elektrografischen Druck- oder Kopiereinrichtung
US8099030B2 (en) 2005-11-18 2012-01-17 Oce Printing Systems Gmbh Apparatus and method for development of potential images, produced on an intermediate image carrier, for an electrographic printing or copying device
EP2497641A4 (fr) * 2009-11-05 2015-07-08 Mitsubishi Heavy Ind Printing Procédé et dispositif de nettoyage d'encre pour presse flexographique
WO2021205170A1 (fr) * 2020-04-08 2021-10-14 Absolute Engineering Limited Système et procédé de nettoyage

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10148401A1 (de) * 2001-09-29 2003-04-17 Karl Beis Einrichtung zum Reinigen von Oberflächen mittels Ultraschall
DE10252013B4 (de) * 2002-11-06 2008-01-17 Windmöller & Hölscher Kg Reinigung von Walzen in Druckmaschinen
US20060150836A1 (en) * 2003-07-29 2006-07-13 Oce Printing Systems Gmbh Device and method for electrophoretic liquid development
DE10335230A1 (de) * 2003-08-01 2005-02-17 Man Roland Druckmaschinen Ag Verfahren zur Herstellung von RFID Etiketten
DE20313262U1 (de) * 2003-08-27 2003-11-06 Roland Man Druckmasch Reinigungsvorrichtung für eine Beschichtungseinheit in einer Verarbeitungsmaschine
JP2006007495A (ja) * 2004-06-23 2006-01-12 Miyakoshi Printing Machinery Co Ltd フレキソユニット
GB2417924B (en) * 2004-09-10 2009-02-11 Alphasonics Ltd Flexographic printing
ATE525209T1 (de) * 2005-01-24 2011-10-15 Gallus Ferd Rueesch Ag Tiefdruckwerk zum bedrucken einer bedruckstoffbahn in einer druckmaschine
DE102005024502B4 (de) * 2005-05-27 2016-07-21 manroland sheetfed GmbH Druckmaschine, insbesondere Bogendruckmaschine
US20100078121A1 (en) * 2006-12-23 2010-04-01 Man Roland Druckmaschinen Ag Multi-color printing machine with film-transfer device
DE102008041909A1 (de) 2008-09-09 2010-03-11 Manroland Ag Druckfluid-Auftrageinrichtung für eine Druckmaschine
DE102011100284A1 (de) * 2010-05-27 2011-12-01 Heidelberger Druckmaschinen Ag Einrichtung zum Dosieren einer drucktechnischen Beschichtungsflüssigkeit auf einer Walze
EP2520431B1 (fr) * 2011-05-02 2014-03-12 Heidelberger Druckmaschinen AG Procédé de nettoyage de systèmes d'encrage dans des imprimantes offset et imprimante offset
DE102012103328A1 (de) 2012-04-17 2013-10-17 Océ Printing Systems GmbH & Co. KG Digitaldrucker zum Bedrucken eines Aufzeichnungsträgers
DE102012111791B4 (de) 2012-12-05 2015-01-22 Océ Printing Systems GmbH & Co. KG Digitaldrucker zum Bedrucken eines Aufzeichnungsträgers
JP2015024503A (ja) * 2013-07-24 2015-02-05 凸版印刷株式会社 印刷機及び印刷方法並び印刷物
DE102015005535A1 (de) * 2015-05-03 2016-11-03 Harris & Bruno Europe GmbH Reinigungsvorrichtung für eine Walze, Druck- oder Beschichtungswerk sowie Verfahren zum Reinigen einer Walze
JP6988602B2 (ja) * 2018-03-15 2022-01-05 日本製鉄株式会社 ドクターチャンバーコーター
GB2577894A (en) * 2018-10-09 2020-04-15 Absolute Engineering Ltd Cleaning system and method

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US5121689A (en) * 1991-03-27 1992-06-16 Rockwell International Corporation Ultrasonic ink metering for variable input control in keyless lithographic printing
DE19503951A1 (de) * 1995-02-07 1996-08-08 Roland Man Druckmasch Verfahren und Vorrichtung für den Tiefdruck
DE19511231A1 (de) * 1995-03-27 1996-10-02 Heidelberger Druckmasch Ag Einrichtung zum Waschen von Walzen eines Farbwerks von Druckmaschinen
EP0876912A1 (fr) * 1997-05-09 1998-11-11 Bryce International, L.L.C. Dispositif encreur pour une machine d'impression offset
DE19732060A1 (de) * 1997-07-25 1999-01-28 Roland Man Druckmasch Verfahren und Vorrichtung zum Reinigen des Zylinders einer Rotationsdruckmaschine
WO1999042291A1 (fr) * 1998-02-21 1999-08-26 Man Roland Druckmaschinen Ag Rotative a feuilles comportant des unites d'impression pour l'impression en polychromie et au moins une unite de couchage

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DE3327993C2 (de) * 1983-08-03 1986-03-06 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Einrichtung an Druckmaschinen zum Aufbringen von Lack
US4998475A (en) * 1988-09-22 1991-03-12 Man Roland Druckmaschinen Ag Compact printing machine inker system
DD278551A1 (de) 1988-12-27 1990-05-09 Polygraph Leipzig Verfahren und einrichtung zum verarbeiten von spezialfarben in bogenoffsetdruckmaschinen
US5117752A (en) 1991-04-25 1992-06-02 Rockwell International Corporation Ultrasonic ink seal for use in multicolor printing press
DE4121017A1 (de) 1991-06-26 1993-01-14 Koenig & Bauer Ag Wascheinrichtung fuer farbwerke bei druckmaschinen
US5410961A (en) * 1992-12-30 1995-05-02 Fit Group, Inc. Fountain assembly
DE9305552U1 (fr) 1993-04-16 1993-06-03 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE19645934A1 (de) 1996-11-07 1998-05-14 Roland Man Druckmasch Rasterwalze innerhalb eines Auftragswerkes einer Rotationsdruckmaschine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121689A (en) * 1991-03-27 1992-06-16 Rockwell International Corporation Ultrasonic ink metering for variable input control in keyless lithographic printing
DE19503951A1 (de) * 1995-02-07 1996-08-08 Roland Man Druckmasch Verfahren und Vorrichtung für den Tiefdruck
DE19511231A1 (de) * 1995-03-27 1996-10-02 Heidelberger Druckmasch Ag Einrichtung zum Waschen von Walzen eines Farbwerks von Druckmaschinen
EP0876912A1 (fr) * 1997-05-09 1998-11-11 Bryce International, L.L.C. Dispositif encreur pour une machine d'impression offset
DE19732060A1 (de) * 1997-07-25 1999-01-28 Roland Man Druckmasch Verfahren und Vorrichtung zum Reinigen des Zylinders einer Rotationsdruckmaschine
WO1999042291A1 (fr) * 1998-02-21 1999-08-26 Man Roland Druckmaschinen Ag Rotative a feuilles comportant des unites d'impression pour l'impression en polychromie et au moins une unite de couchage

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005013013A2 (fr) * 2003-07-29 2005-02-10 OCé PRINTING SYSTEMS GMBH Dispositif et procede pour le developpement liquide electrophoretique
WO2005013013A3 (fr) * 2003-07-29 2005-05-12 Oce Printing Systems Gmbh Dispositif et procede pour le developpement liquide electrophoretique
US7463851B2 (en) 2003-07-29 2008-12-09 Oce Printing Systems Gmbh Device and method for electrophoretic liquid development
US7471907B2 (en) 2003-07-29 2008-12-30 Oce Printing Systems Gmbh Device and method for electrophoretic liquid development
US8099030B2 (en) 2005-11-18 2012-01-17 Oce Printing Systems Gmbh Apparatus and method for development of potential images, produced on an intermediate image carrier, for an electrographic printing or copying device
EP2497641A4 (fr) * 2009-11-05 2015-07-08 Mitsubishi Heavy Ind Printing Procédé et dispositif de nettoyage d'encre pour presse flexographique
DE102010000549A1 (de) 2010-02-25 2011-08-25 Océ Printing Systems GmbH, 85586 Vorrichtung und Verfahren zur Entwicklung von auf einem Zwischenbildträger erzeugten Potentialbilder bei einer elektrografischen Druck- oder Kopiereinrichtung
US8588655B2 (en) 2010-02-25 2013-11-19 Océ Printing Systems, GmbH Device and method to develop potential images generated on an intermediate image carrier in an electrographic printing or copying device
WO2021205170A1 (fr) * 2020-04-08 2021-10-14 Absolute Engineering Limited Système et procédé de nettoyage
US11904599B2 (en) 2020-04-08 2024-02-20 Absolute Engineering Limited Cleaning system and method

Also Published As

Publication number Publication date
JP3392822B2 (ja) 2003-03-31
US6371024B1 (en) 2002-04-16
DE50002818D1 (de) 2003-08-14
JP2001113675A (ja) 2001-04-24
DE29918488U1 (de) 1999-12-30
EP1097813A3 (fr) 2001-05-23
ATE244638T1 (de) 2003-07-15
EP1097813B1 (fr) 2003-07-09

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