EP0770483B1 - Dispositif de nettoyage pour nettoyer des cylindres d'un appareil à imprimer offset - Google Patents

Dispositif de nettoyage pour nettoyer des cylindres d'un appareil à imprimer offset Download PDF

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Publication number
EP0770483B1
EP0770483B1 EP96116301A EP96116301A EP0770483B1 EP 0770483 B1 EP0770483 B1 EP 0770483B1 EP 96116301 A EP96116301 A EP 96116301A EP 96116301 A EP96116301 A EP 96116301A EP 0770483 B1 EP0770483 B1 EP 0770483B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
cylinders
washing roller
washing
cleaning device
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
EP96116301A
Other languages
German (de)
English (en)
Other versions
EP0770483A2 (fr
EP0770483A3 (fr
Inventor
Claus 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.)
Filing date
Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0770483A2 publication Critical patent/EP0770483A2/fr
Publication of EP0770483A3 publication Critical patent/EP0770483A3/fr
Application granted granted Critical
Publication of EP0770483B1 publication Critical patent/EP0770483B1/fr
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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
    • B41P2235/22—Rollers

Definitions

  • the invention relates to a washing device for cleaning cylinders Offset printing unit, which can be adjusted simultaneously to two adjacent cylinders, with a rotatably drivable washing roller and a device for moistening the Washing roller with a washing liquid.
  • a method is known with which in a sheet-fed offset printing press the blanket cylinder and the impression cylinder at the same time can be washed.
  • a washing device is used Pressure shutdown of the cylinders in the operating position on the rubber cylinder, the printing unit being operated without a paper feed.
  • the rubber cylinder is placed on the impression cylinder.
  • the impression cylinder is cleaned via the rubber cylinder, which creates a separate washing device for automatic washing of the impression cylinder and the space to be provided for this can be saved.
  • FR-A 1 351 365 describes a washing device with a washing roller for cleaning two inkable blanket cylinders known, the washing roller simultaneously is deliverable to both blanket cylinders.
  • US-A 5,257,578 is a cleaning device for cleaning a Blanket cylinder known in a web offset printing machine
  • the Cleaning device has a brush roller, which with a lower Drive speed as the blanket cylinder is operable, the Brush roller is rotatable in the same direction to the blanket cylinder.
  • a device for washing the Blanket cylinder by means of a brush roller accommodated in a housing known.
  • the device also has a moistening device, a Scraper and a gutter.
  • EP-A-0 004 605 describes a washing device with a washing roller for Known cylinders on printing presses, which has a control device, by which the washing roller can be lifted over the gripper rows of a printing cylinder.
  • the invention has for its object a washing device of the beginning to create mentioned type, the washing roller on both cylinders evenly is employable.
  • the object is achieved in that the axis of rotation of the Wash roller in the tangential plane of contact of two adjacent cylinders is movably arranged. As a result, the washing roller is turned on the same way both cylinders guaranteed. In this way, two cylinders, for example the blanket cylinder and the impression cylinder or the impression cylinder and a transfer cylinder cleaned simultaneously and in direct contact with the washing roller become. It has been shown that in the time for washing only one single cylinder is required in a conventional manner, with the device according to the invention two cylinders can be cleaned, whereby the required cleaning time after the heavily soiled cylinder judges. For simultaneous cleaning of the second, less soiled Cylinder, therefore no additional time is required.
  • the peripheral speed of the washing roller is preferably larger or smaller dimensioned as the peripheral speed of the cylinders during the washing process in order to achieve that the washing roller against the synchronous cylinder Executes relative movement.
  • the direction of rotation of the washing roller is advantageously so chosen to be opposite to the more fouling cylinder, i.e. the has the same direction of rotation as the more polluting cylinder.
  • the washing roller in a replaceable cassette is arranged, the humidifier, a Scraper and a gutter for the dirty detergent.
  • the washing device can easily be installed and removed for maintenance purposes become.
  • the washing device may be provided with a control device by which the Washer roller over the cylinder channels and the gripper rows of the assigned Cylinder is lifted away.
  • the drawing shows a section of an offset printing unit with a blanket cylinder 1, an impression cylinder 2, a feeding transfer cylinder 3 and a laxative Transfer cylinder 4.
  • a separate washing device not shown can be used to clean the impression cylinder 2 and the transfer cylinder 4 a single washing device 5 provided.
  • the washing device 5 consists of a elongated housing 6, in which a washing roller 7 rotatable is stored.
  • the washing roller 7 is by means of a not shown Drive motor can be driven in both directions of rotation.
  • the housing 6 contains for moistening the washing roller 7 a variety of side by side in the longitudinal direction of the housing arranged spray nozzles 8 through which a suitable washing liquid can be sprayed onto the washing roller 7. Excess Washing liquid and taken up by the washing roller 7 Dirt is stripped off on a scraper 9 and via a collecting trough 10 formed by the housing 6 dissipated.
  • the washing device is in the washing position shown.
  • the washing roller is equally due to that Impression cylinder 2 and the transfer cylinder 4, wherein its axis of rotation on the tangential contact plane 11 of the lies in both cylinders.
  • this is stored in a degree guide that a movement of the washing device 5 in the direction of the arrows P enables.
  • a control device not shown provided by which the employed washing device 5 is lifted off the cylinders 2, 4 when the Gripper channels 12, 13 and the gripper rows 14, 15 die Pass wash roller 7.
  • washing device is not limited to the example shown. Equally beneficial
  • the washing device can be arranged in this way be that at the same time on the blanket cylinder and is adjustable to the impression cylinder, so that these two Cylinder can be cleaned together.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Claims (8)

  1. Dispositif de lavage pour nettoyer des cylindres d'une unité d'impression offset, qui peut être appliqué simultanément contre deux cylindres voisins (1,2,4), comportant un rouleau de lavage (7) reçu dans un carter (6) ayant un canal de collecte (10) et un racleur (9) associé au rouleau de lavage (7),
    caractérisé en ce que le rouleau de lavage (7), pouvant être entraíné, est associé à un dispositif pour mouiller ce rouleau de lavage (7) par un liquide de lavage et en ce que l'axe de rotation du rouleau de lavage (7) est agencé de façon mobile dans un plan de contact tangentiel (11) des cylindres voisins (1,2,4).
  2. Dispositif de lavage selon la revendication 1,
    caractérisé en ce que les cylindres voisins sont formés par un cylindre de contre-pression (2) et un cylindre de transfert (4).
  3. Dispositif de lavage selon la revendication 1,
    caractérisé en ce que les cylindres voisins sont formés par un cylindre porte-blanchet (1) et un cylindre de contre-pression (2).
  4. Dispositif de lavage selon au moins la revendication 1,
    caractérisé en ce que la vitesse périphérique du rouleau de lavage (7) est plus grande ou plus petite que la vitesse périphérique des cylindres (1,2,4).
  5. Dispositif de lavage selon au moins la revendication 1,
    caractérisé en ce que le mouvement de rotation du rouleau de lavage (7) est opposé au mouvement de rotation du cylindre plus fortement encrassé (1 ou 2, 2 ou 4).
  6. Dispositif de lavage selon au moins la revendication 1,
    caractérisé en ce qu'il est prévu un dispositif de commande grâce auquel le rouleau de lavage (7) peut être soulevé au-dessus des canaux des cylindres (12,13) et des séries de pinces (14,15) des cylindres (1,2,4).
  7. Dispositif de lavage selon la revendication 1 ou 2,
    caractérisé en ce que le rouleau de lavage est agencé dans une cassette interchangeable (6), qui présente un dispositif de mouillage, un racleur et un canal de collecte.
  8. Dispositif de lavage selon la revendication 1 ou 2,
    caractérisé en ce qu'il est prévu un dispositif de commande grâce auquel le rouleau de lavage (7) peut être soulevé au-dessus des canaux des cylindres (12,13) et, le cas échéant, de séries de pinces (14,15) des cylindres (2,4).
EP96116301A 1995-10-26 1996-10-11 Dispositif de nettoyage pour nettoyer des cylindres d'un appareil à imprimer offset Expired - Lifetime EP0770483B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29516976U DE29516976U1 (de) 1995-10-26 1995-10-26 Waschvorrichtung zur Reinigung von Zylindern eines Offsetdruckwerkes
DE29516976U 1995-10-26

Publications (3)

Publication Number Publication Date
EP0770483A2 EP0770483A2 (fr) 1997-05-02
EP0770483A3 EP0770483A3 (fr) 1997-10-01
EP0770483B1 true EP0770483B1 (fr) 1999-11-17

Family

ID=8014633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96116301A Expired - Lifetime EP0770483B1 (fr) 1995-10-26 1996-10-11 Dispositif de nettoyage pour nettoyer des cylindres d'un appareil à imprimer offset

Country Status (4)

Country Link
EP (1) EP0770483B1 (fr)
JP (1) JP2944943B2 (fr)
AT (1) ATE186678T1 (fr)
DE (2) DE29516976U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19607037C2 (de) * 1996-02-24 1999-03-25 Roland Man Druckmasch Verfahren zum Reinigen einer Druckmaschinenzylinderoberfläche mit einer Oberflächenstruktur
DK0909648T3 (da) * 1997-07-30 2000-01-31 Oxy Dry Maschinen Gmbh Indretning til rengøring af cylindre til en trykkerimaskine
DE29802171U1 (de) * 1998-02-09 1998-03-19 Heidelberger Druckmaschinen Ag, 69115 Heidelberg Vorrichtung zur Reinigung von zwei Zylindern in einer Druckmaschine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1351365A (fr) * 1961-05-06 1964-02-07 Roto Service Dispositif de nettoyage et de lavage automatique pour machines offset
GB1169668A (en) * 1967-04-20 1969-11-05 Akerlund & Rausing Ab Improvements in and relating to Means for Washing a Cylinder in a Printing Press
DE2531886C3 (de) * 1975-07-17 1978-04-13 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Verfahren und Vorrichtung zur Reinigung von Zylindern eines Offsetdruckwerkes
DE2815388C3 (de) * 1978-04-10 1981-06-11 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum Waschen von Zylindern an Druckmaschinen, insbesondere Offsetdruckmaschinen
DE3120983A1 (de) * 1980-05-28 1982-04-29 Dai Nippon Insatsu K.K., Tokyo Vorrichtung zum waschen des gummituchzylinders einer rotations-offsetpresse
US4870900A (en) * 1986-02-07 1989-10-03 Air Stamping, Inc. Combined bearer wiper assembly and finger guard for printing apparatus
DE3736397A1 (de) * 1987-10-28 1989-05-11 Spiess Gmbh G Gummituchwaschvorrichtung
ATE84257T1 (de) * 1988-03-23 1993-01-15 Roland Man Druckmasch Vorrichtung zum reinigen der arbeitsflaechen einer arbeitsmaschine, insbesondere in einer druckmaschine.
DE8816264U1 (de) * 1988-03-23 1989-03-30 MAN Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum Reinigen der Arbeitsflächen einer Arbeitsmaschine, insbesondere in einer Druckmaschine
US5259313A (en) * 1991-12-20 1993-11-09 Heidelberg Harris Gmbh Method and apparatus for cleaning an inking mechanism and/or a printing mechanism in printing units of rotary printing machines
DE4208079C2 (de) * 1992-03-13 1996-07-25 Roland Man Druckmasch Vorrichtung zum Waschen eines Zylinders einer Druckmaschine
US5257578A (en) * 1993-01-12 1993-11-02 Heidelberger Druckmaschinen Ag Device for automatically cleaning blanket cylinders in a offset printing press
DE19526574C1 (de) * 1995-07-20 1996-10-17 Roland Man Druckmasch Verfahren und Vorrichtung zum Waschen eines Formzylinders und einer zugeordneten Auftragwalze in einer Druckmaschine

Also Published As

Publication number Publication date
ATE186678T1 (de) 1999-12-15
EP0770483A2 (fr) 1997-05-02
EP0770483A3 (fr) 1997-10-01
DE29516976U1 (de) 1995-12-21
JP2944943B2 (ja) 1999-09-06
JPH09131859A (ja) 1997-05-20
DE59603670D1 (de) 1999-12-23

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