EP1078741B1 - Procédé pour nettoyer des cylindres - Google Patents

Procédé pour nettoyer des cylindres Download PDF

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Publication number
EP1078741B1
EP1078741B1 EP00114178A EP00114178A EP1078741B1 EP 1078741 B1 EP1078741 B1 EP 1078741B1 EP 00114178 A EP00114178 A EP 00114178A EP 00114178 A EP00114178 A EP 00114178A EP 1078741 B1 EP1078741 B1 EP 1078741B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
cleaning
printing
rubber blanket
plate
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
EP00114178A
Other languages
German (de)
English (en)
Other versions
EP1078741A1 (fr
Inventor
Arndt Jentzsch
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1078741A1 publication Critical patent/EP1078741A1/fr
Application granted granted Critical
Publication of EP1078741B1 publication Critical patent/EP1078741B1/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
    • 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
    • B41P2235/24—Wiping devices using rolls of cleaning cloth
    • 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
    • B41P2235/30—Recovering used solvents or residues

Definitions

  • the invention relates to a method for cleaning cylinders in the printing unit of a sheet-fed printing press with a plate, blanket and impression cylinder as well as a cleaning device, which can optionally be attached to one of the cylinders.
  • a device for cleaning printing cylinders in offset printing machines in which a washing device is provided which can be placed on the blanket cylinder, the blanket cylinder during the operating position of the washing device on the printing cylinder and / or on the plate cylinder is executable.
  • This procedure of cleaning, the printing cylinder and / or the plate cylinder via the blanket cylinder has the disadvantage that the printing cylinder and / or the plate cylinder are not cleaned satisfactorily. This makes additional cleaning of these cylinders by hand necessary.
  • DE 195 12 421 C2 describes a device for cleaning a plurality of cylinders, in which a cleaning device is displaced along a guideway which has a course approximating the cylinder surfaces and can thus be assigned to the blanket, printing or plate cylinder.
  • a disadvantage of this device is that when the printing cylinder is cleaned, the contaminants loosened by the cleaning media get into the area of the grippers or when the plate cylinder is cleaned into the area of the plate clamping device and require additional cleaning by hand.
  • the object of the invention is to provide a method for cleaning a plate, blanket and To create pressure cylinder with which cleaning the cylinder without additional cleaning is possible by hand.
  • the object is achieved by a method according to the features of the claim 1 solved.
  • the solution according to the invention makes it possible to find those on the printing and plate cylinder Soiling can be loosened during pre-cleaning and via the blanket cylinder dissipate so that the contaminants in solution do not get into the gripper of the impression cylinder or into the clamping device of the plate cylinder.
  • a plate cylinder 1, a blanket cylinder 2 and a printing cylinder 3 are shown schematically in side view.
  • the plate cylinder 1 is mounted in the first eccentric bearings 4 and the blanket cylinder 2 in the second eccentric bearings 5.
  • the plate cylinder 1 has a plate clamping device 7 and the pressure cylinder 3 has a first gripper row 8 and a second gripper row 9.
  • a cleaning device 6 can optionally be assigned to the plate cylinder 1, the blanket cylinder 2 and the impression cylinder 3.
  • the cleaning device 6 is shown in a first working position 10 on the blanket cylinder 2 in a full line, in a second working position 11 on the printing cylinder 3 and in a third working position 12 on the plate cylinder 1 by means of a thin line. If the plate cylinder 1, the blanket cylinder 2 and the impression cylinder 3 are to be cleaned, the blanket cylinder 2 is placed on the plate cylinder 1 and the impression cylinder 3, as shown in the drawing, and the cleaning device 6 is moved into the first working position 10. The blanket cylinder 2 is subsequently cleaned in a known manner by the cleaning device 6, an excess of cleaning fluid being used, so that the surfaces of the printing cylinder 3 and the plate cylinder 1 are also wetted with cleaning fluid.
  • the impurities located on the surfaces of the printing cylinder 3 and the plate cylinder 1 go into solution and are conveyed to and removed from the cleaning device 6 via the rubber blanket cylinder 2, residual contaminants remaining on the plate cylinder, the rubber blanket cylinder 2 and the printing cylinder 3. They are pre-cleaned by this process step.
  • the cleaning device 6 is then turned off from the blanket cylinder 2 and the blanket cylinder 2 is pivoted away from the printing cylinder 3 and from the plate cylinder 1 by means of the second eccentric bearing 5 (shown by a thin line in the drawing).
  • the cleaning device 6 is brought into its second working position 11 and placed against the printing cylinder 3 and the surface of the printing cylinder 3 is cleaned in a known manner, only a fine cleaning being realized in which no contaminants get into the first row of grippers and the second row of grippers.
  • the cleaning device 6 is brought into the third working position 12, placed on the plate cylinder 1 and subjected to a fine cleaning, with no impurities getting into the plate clamping device 7.
  • the cleaning device 6 is again brought into the first working position 10 and is placed on the blanket cylinder 2 for a fine cleaning.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Processing Of Solid Wastes (AREA)

Claims (2)

  1. Procédé de nettoyage des cylindres d'un mécanisme d'impression d'une machine d'impression de feuilles comportant un cylindre porte-plaque, un cylindre à blanchet, et un cylindre de pression ainsi qu'un dispositif de nettoyage qui peut être appliqué au choix contre l'un des cylindres,
    caractérisé en ce que
    pour nettoyer le cylindre de pression (3) et/ou le cylindre porte-plaque (1), on applique le cylindre porte-blanchet (2) contre le cylindre de pression (3) et/ou contre le cylindre porte plaque (1), on installe le dispositif de nettoyage (6) contre le cylindre porte-blanchet (2) et on effectue le pré-nettoyage du cylindre porte-blanchet (2) pour que le cylindre de pression (3) et/ou le cylindre porte-plaque (1) soit également nettoyé de manière préalable ; ensuite on dégage le cylindre porte-blanchet (2) et on associe le dispositif de nettoyage (6) pour le nettoyage fin, successivement au cylindre de pression (3) et/ou au cylindre porte-plaque (1) ainsi qu'au cylindre porte-blanchet (2).
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    le nettoyage préalable du cylindre porte-blanchet (2) se fait avec un excédent de liquide de nettoyage.
EP00114178A 1999-08-06 2000-07-13 Procédé pour nettoyer des cylindres Expired - Lifetime EP1078741B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19937272 1999-08-06
DE19937272A DE19937272A1 (de) 1999-08-06 1999-08-06 Verfahren zum Reinigen von Zylindern

Publications (2)

Publication Number Publication Date
EP1078741A1 EP1078741A1 (fr) 2001-02-28
EP1078741B1 true EP1078741B1 (fr) 2002-10-02

Family

ID=7917527

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00114178A Expired - Lifetime EP1078741B1 (fr) 1999-08-06 2000-07-13 Procédé pour nettoyer des cylindres

Country Status (3)

Country Link
EP (1) EP1078741B1 (fr)
AT (1) ATE225259T1 (fr)
DE (2) DE19937272A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4013465A1 (de) * 1990-04-27 1991-10-31 Heidelberger Druckmasch Ag Druckmaschine mit wascheinrichtung
DE4215355C2 (de) * 1992-05-13 1995-09-21 Roland Man Druckmasch Waschvorrichtung für Zylinder in Druckmaschinen, insbesondere Bogenoffsetdruckmaschinen
DE4444453A1 (de) * 1994-12-14 1996-06-20 Kba Planeta Ag Einrichtung zum automatischen Abführen einer Druckplatte
DE19715243B4 (de) * 1997-04-12 2005-03-03 Koenig & Bauer Ag Druckmaschine mit Reinigungseinrichtungen zum Reinigen von Zylindern und Walzen

Also Published As

Publication number Publication date
EP1078741A1 (fr) 2001-02-28
DE19937272A1 (de) 2001-02-15
DE50000588D1 (de) 2002-11-07
ATE225259T1 (de) 2002-10-15

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