EP0844086B1 - Dispositif pour nettoyer un cylindre d'une machine à imprimer - Google Patents

Dispositif pour nettoyer un cylindre d'une machine à imprimer Download PDF

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Publication number
EP0844086B1
EP0844086B1 EP97120158A EP97120158A EP0844086B1 EP 0844086 B1 EP0844086 B1 EP 0844086B1 EP 97120158 A EP97120158 A EP 97120158A EP 97120158 A EP97120158 A EP 97120158A EP 0844086 B1 EP0844086 B1 EP 0844086B1
Authority
EP
European Patent Office
Prior art keywords
housing
cleaning device
cylinder
cleaning
cleaning fluid
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
EP97120158A
Other languages
German (de)
English (en)
Other versions
EP0844086A1 (fr
Inventor
Ab Goos
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 EP0844086A1 publication Critical patent/EP0844086A1/fr
Application granted granted Critical
Publication of EP0844086B1 publication Critical patent/EP0844086B1/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
    • B41F35/06—Cleaning arrangements or devices for offset 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
    • B41P2235/20—Wiping devices
    • B41P2235/23—Brushes

Definitions

  • the invention relates to a cleaning device according to the preamble of the main claim.
  • a cleaning device of this type is e.g. B. from DE 31 20 983 A1.
  • This Cleaning device has a washing roller, here referred to as a brush roller, the Cleaning a blanket cylinder in a rotary offset printing press is used.
  • the cleaning device has, among other things, a special design of the housing. In order to is intended to undesirably spray washing liquid onto other parts of the printing press be prevented. Furthermore, the bottom of the case is a tub for collecting used washing liquid and contaminated. A preparation the washing liquid is not provided.
  • a spray nozzle on the housing provided that a cleaning liquid jet, inter alia also intermittently, causes at the bottom of the housing along the tub so that the dirt as well the washing liquid is flushed towards a drain and thus the accumulation of contaminants that can settle as sludge and liquid.
  • a cleaning liquid jet inter alia also intermittently, causes at the bottom of the housing along the tub so that the dirt as well the washing liquid is flushed towards a drain and thus the accumulation of contaminants that can settle as sludge and liquid.
  • water for the cleaning liquid jet possible.
  • washing liquid or water is disadvantageous because there is no reprocessing the use of this media is very complex and ecologically unjustifiable.
  • the object of the invention is to provide a cleaning device which has these disadvantages eliminates, in particular, the accumulation of cleaning fluid and other contaminants prevented or noticeably reduced at the bottom of the housing of the cleaning device and the additional consumption of cleaning fluid, such as detergent and / or water, avoids.
  • the switch can be switched on and off and can be lifted in the area of a gripper bridge Cleaning device essentially one over the entire width of the to be cleaned Casing extending cylinder surface.
  • the housing has one of the cylinder surface facing opening and takes a rotatably mounted washing roller or Washcloth on.
  • the housing also has at least distributed over the cylinder width an arranged row of nozzles on the application of the washing roller or the Wash cloth with a cleaning fluid, preferably a vegetable detergent and / or water.
  • the nozzles are coupled to a corresponding supply line.
  • At least one spray nozzle to which a gaseous medium, preferably compressed air, can be applied is arranged on the housing, the pressure jet of which on the preferably inclined floor along the housing contains the cleaning fluid contaminated in the cleaning process (e.g. detergent, water, paper dust, paint residues, powder , Paint residues) at least one discharge opening by blowing in a flow direction, so that the bottom of the housing is flushed free of the contaminated cleaning fluid.
  • the cleaning fluid contaminated in the cleaning process e.g. detergent, water, paper dust, paint residues, powder , Paint residues
  • the use of compressed air is provided with little effort, since a compressed air supply is usually already available in the case of printing presses and it is also easy to retrofit existing cleaning devices.
  • the pressure jet cleans the housing satisfactorily from the contaminated cleaning fluid by blowing it free and prevents the drain from becoming blocked or the sludge and / or contaminated cleaning fluid from becoming blocked in the housing itself. It is advantageous if the return line is coupled to a suction device and the pressure jet or the Pressure jets (when using multiple nozzles) combined with the suction cleans the bottom of the housing, including the drain openings, in one direction of flow.
  • a cleaning device 1 according to the invention is in a printing unit of an offset printing machine assigned adjacent to a pressure cylinder 10.
  • the cleaning device 1 has a housing 2, which has an approximately rectangular cross section and is extends across the full width of the impression cylinder 10.
  • the housing 2 takes one rotatable, separately drivable washing roller 7, e.g. a washing brush equipped with brushes, on.
  • Spray nozzles 11 arranged in series on the housing 2 are directed onto the washing roller 7, which are coupled with a water supply.
  • cleaning fluid supply detergent supply
  • the dirty cleaning fluid (Detergent, water, paper dust, paint residues, powder, paint residues and sludge)
  • a drain opening 5 arranged with a return line 6 and a downstream Processing plant (not shown) for regenerating the dirty cleaning fluid
  • the housing 2 Facing the pressure cylinder 10, the housing 2 is open the washing roller 7 on its cylindrical surface and adjustable and when passing Gripper bridges can be lifted off.
  • a spray nozzle 4 is arranged on an end face 3 of the housing 2, which with a supply for the gaseous medium, here a compressed air supply 9 is coupled with a corresponding compressed air source.
  • the spray nozzle 4 is constantly in the cleaning operation in the present example with compressed air activated or can be activated intermittently, such that a on the bottom of the housing 2 directed pressure jet 8 the contaminated cleaning fluid (e.g. detergent, water, paper dust, Paint residues, powder, paint residues and sludge) by blowing out in a generated Direction of flow (which leads to flushing of the soil) leads to the discharge opening 5.
  • the contaminated cleaning fluid e.g. detergent, water, paper dust, Paint residues, powder, paint residues and sludge
  • Blowing free and the accompanying flushing of the soil from contaminated Cleaning fluid is particularly improved by parallel to the pressurized air the spray nozzle 4 activates the return line 6 with a coupled suction source ; becomes. This reduces the flow behavior of sludge and contaminated cleaning fluid a flow direction on the bottom of the housing 2 improved.
  • Cleaning fluid e.g. detergent, water, paper dust, paint residues, powder, paint residues as well Sludge
  • the cleaning device 1 is also on each end face 3 arranged spray nozzles 4 executable.
  • the bottom of the housing 2 has each have a slope from the end faces 3 to the center of the housing 2.
  • the drain opening 5 is arranged in the center of the housing 2, which in turn has a suction source is coupled in an advantageous manner.
  • spray nozzles 4 support that Blow out (drain) contaminated cleaning fluid in one of the pressure jets 8 generated uniform flow direction and improve the flow behavior on the way to the next drain opening 5 of the housing 2.

Landscapes

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

Claims (5)

  1. Dispositif de nettoyage pour un cylindre d'une machine d'impression, comportant un carter ouvert vers la surface d'enveloppe du cylindre, qui reçoit un rouleau de lavage ou un tissu de lavage, qui peut être humecté par au moins un fluide de nettoyage pouvant être amené et évacué, et peut être rapproché contre le cylindre et écarté de celui-ci,
    caractérisé en ce que le carter (2) présente, de façon répartie sur la largeur du cylindre (10), au moins une série de buses (11, 12), couplées à un conduit d'alimentation, pour l'alimentation du rouleau de lavage (7) ou du tissu de lavage par un fluide de nettoyage, en ce que, sur le carter (2), il est agencé au moins une buse de pulvérisation (4), couplée à une amenée d'air comprimé (9) ayant une source d'air comprimé, dans la zone des faces frontales (3), chaque buse de pulvérisation (4) pouvant être alimentée par un agent sous pression gazeux et un jet sous pression (8) engendrant un courant sortant de la buse de pulvérisation (4), de sorte que le fond du carter (2) est débarrassé, par soufflage, du fluide de nettoyage pollué en utilisant au moins une ouverture d'évacuation (5).
  2. Dispositif de nettoyage selon la revendication 1,
    caractérisé en ce que, sur chaque face frontale (3), il est agencé au moins une buse de pulvérisation (4) et au moins une ouverture d'évacuation (5) est agencée de façon centrale sur le carter (2).
  3. Dispositif de nettoyage selon la revendication 1,
    caractérisé en ce que l'ouverture d'évacuation (5) est reliée à un conduit de retour (6), qui est couplé à une source d'aspiration.
  4. Dispositif de nettoyage selon les revendications 1 et 3,
    caractérisé en ce que l'alimentation en air comprimé de la buse de pulvérisation (4) peut être combinée avec l'aspiration du conduit de retour (6).
  5. Dispositif de nettoyage selon la revendication 1,
    caractérisé en ce que plusieurs buses de pulvérisation (4) sont agencées de façon répartie sur la largeur du carter (2) dans une direction d'écoulement uniforme engendrée par leurs jets sous pression (8).
EP97120158A 1996-11-21 1997-11-18 Dispositif pour nettoyer un cylindre d'une machine à imprimer Expired - Lifetime EP0844086B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29620271U 1996-11-21
DE29620271U DE29620271U1 (de) 1996-11-21 1996-11-21 Reinigungsvorrichtung für einen Zylinder einer Druckmaschine

Publications (2)

Publication Number Publication Date
EP0844086A1 EP0844086A1 (fr) 1998-05-27
EP0844086B1 true EP0844086B1 (fr) 2001-10-31

Family

ID=8032276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97120158A Expired - Lifetime EP0844086B1 (fr) 1996-11-21 1997-11-18 Dispositif pour nettoyer un cylindre d'une machine à imprimer

Country Status (3)

Country Link
EP (1) EP0844086B1 (fr)
AT (1) ATE207813T1 (fr)
DE (2) DE29620271U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29700662U1 (de) * 1997-01-16 1997-03-06 Heidelberger Druckmaschinen Ag, 69115 Heidelberg Druckwerk von Rotationsdruckmaschinen
DE19702082B4 (de) * 1997-01-22 2005-10-13 Heidelberger Druckmaschinen Ag Wascheinrichtung im Druckwerk von Rotationsdruckmaschinen
DE29708470U1 (de) * 1997-05-13 1997-07-10 MAN Roland Druckmaschinen AG, 63075 Offenbach Reinigungsvorrichtung für einen Zylinder oder eine Walze einer Druckmaschine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1376394A (fr) * 1963-12-09 1964-10-23 Eugen Mohr K G Dr Dispositif de lavage pour rincer les tambours et tonneaux des bains de galvanoplastie
US4015307A (en) * 1969-08-25 1977-04-05 Oxy-Dry Sprayer Corporation Apparatus for cleaning rotating cylindrical surfaces
US3800702A (en) * 1972-12-07 1974-04-02 S & S Corrugated Paper Mach Inking apparatus having automatic wash-up means
US4344361A (en) * 1979-04-19 1982-08-17 Baldwin-Gegenheimer Corporation Automatic blanket cylinder cleaner
DE3120983A1 (de) * 1980-05-28 1982-04-29 Dai Nippon Insatsu K.K., Tokyo Vorrichtung zum waschen des gummituchzylinders einer rotations-offsetpresse
JPH0767800B2 (ja) * 1991-12-16 1995-07-26 ニッカ株式会社 印刷シリンダの洗浄装置
DE4343692C2 (de) * 1993-12-21 1997-09-11 Roland Man Druckmasch Reinigungseinrichtung für einen Gummituch- oder Druckzylinder von Druckmaschinen, vorzugsweise Offsetdruckmaschinen
US5575211A (en) * 1994-10-28 1996-11-19 Hycorr Machine Corporation Washing Arrangement for rotary printer
DE19520550C2 (de) * 1995-06-06 1999-03-25 Roland Man Druckmasch Reinigungsvorrichtung für Druckmaschinenzylinder
DE29612400U1 (de) * 1996-07-17 1996-09-12 MAN Roland Druckmaschinen AG, 63075 Offenbach Reinigungsvorrichtung für einen Zylinder einer Druckmaschine

Also Published As

Publication number Publication date
ATE207813T1 (de) 2001-11-15
DE29620271U1 (de) 1997-01-09
EP0844086A1 (fr) 1998-05-27
DE59705166D1 (de) 2001-12-06

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