EP0243712A2 - Dispositif de nettoyage pour cylindres d'impression de machines à imprimer - Google Patents

Dispositif de nettoyage pour cylindres d'impression de machines à imprimer Download PDF

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Publication number
EP0243712A2
EP0243712A2 EP87104843A EP87104843A EP0243712A2 EP 0243712 A2 EP0243712 A2 EP 0243712A2 EP 87104843 A EP87104843 A EP 87104843A EP 87104843 A EP87104843 A EP 87104843A EP 0243712 A2 EP0243712 A2 EP 0243712A2
Authority
EP
European Patent Office
Prior art keywords
washing
washing brush
cylinder
printing
brush
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.)
Ceased
Application number
EP87104843A
Other languages
German (de)
English (en)
Other versions
EP0243712A3 (fr
Inventor
Willi Jeschke
Klaus Dürrnagel
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0243712A2 publication Critical patent/EP0243712A2/fr
Publication of EP0243712A3 publication Critical patent/EP0243712A3/fr
Ceased 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
    • B41F35/006—Cleaning arrangements or devices for impression 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
    • 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 washing device for printing cylinders of printing machines, in particular offset printing machines, which is equipped with a washing roller which can be adjusted to the printing cylinder, which can be lifted off the cylinder jacket surface in the area of the gripper bridge of the printing cylinder, and which can be sprayed with cleaning fluid.
  • DE-OS 28 15 388 discloses a device for washing cylinders on printing presses, in particular offset printing presses, which is used essentially for cleaning rubber cylinders. But it can also be adjusted by hand on the pressure cylinder.
  • the washing roller of this device which is provided with a soft cover, is carried along by friction in the employed position. To intensify the cleaning process, liquid water can be sprayed onto the washing roller.
  • a control curve attached to the pressure cylinder in the area of the grippers serves to lift the washing roller off the outer surface of the pressure cylinder so that it does not collide with the grippers.
  • the object of the invention is to perform the cleaning thoroughly, quickly and without great effort for the printer.
  • the washing roller is designed as a washing brush which extends over the full width of the printing cylinder and is driven separately, that the washing brush rotates counter to the direction of rotation of the printing cylinder, that the washing brush rotates at a higher speed than the printing cylinder speed, and that the washing brush can be automatically adjusted to the outer surface of the printing cylinder.
  • the washing brush which is wetted with washing solution and rotates at a relatively high speed in the opposite direction to the printing cylinder, very quickly removes contaminants, such as paper dust, paint residues or paper marks, from the outer surface of the printing cylinder.
  • the washing time usually lasts only 50-60 seconds.
  • the washing process can be repeated at any time.
  • the rotation of the washing brush opposite to the direction of rotation of the printing cylinder generates the greatest possible relative movement and thus an effective abrasion effect.
  • the separate drive of the washing brush allows the optimum speed to be set.
  • the washing brush can be slightly spherical, which counteracts its deflection and guarantees a constant abrasion pressure across the entire width of the pressure cylinder.
  • the washing brush is rotatably housed in a collecting box which is only open towards the outer surface of the printing cylinder, such that the bristle tips of the washing brush come into intensive contact with the outer surface of the printing cylinder in the employed position.
  • An advantageous further development of the invention consists in the fact that spray nozzles for applying washing solution to the washing brush are arranged in the collecting box parallel to the washing brush at regular intervals from one another during washing.
  • spray nozzles for applying washing solution to the washing brush are arranged in the collecting box parallel to the washing brush at regular intervals from one another during washing.
  • a further advantageous embodiment of the invention provides that the collecting box can be adjusted to the pressure cylinder via a flexible adjusting device, for example a pneumatic adjusting device.
  • a flexible adjusting device for example a pneumatic adjusting device.
  • the single figure shows schematically a washing device 1 according to the invention, which is provided below a printing cylinder 2 of an offset printing unit, not shown.
  • An essential part of this washing device 1 is a collecting box 3, which has an approximately rectangular cross section and extends over the full width of the printing cylinder 2. It is only open to the outer surface 4 of the printing cylinder 2.
  • the bristles 6 of a cylindrical washing brush 7 protrude through this opening 5, which also extends over the entire width of the printing cylinder 2 and is preferably of slightly spherical design.
  • the diameter of the washing brush 7 is therefore somewhat larger in the central region of the printing cylinder 2 than in the edge region.
  • the shaft 8 of the washing brush 7 protrudes on both sides into ball bearings, not shown, which are accommodated in bearing levers 9.
  • bearing levers 9 are seen in the axial direction of the printing cylinder 2, in each case at the ends of the collecting tank 3 directly next to the end faces of the printing cylinder 2.
  • the bearing levers 9 are pivotably mounted on a stable, continuous shaft 10. Its web surface 11 facing the pressure cylinder 2 is curved.
  • a support roller 12 comes into contact with it, which are also fastened on the gripper shaft 13 outside the end face of the pressure cylinder 2.
  • the shaft 8 of the washing brush 7 protrudes through guide slots 14 in the side wall of the collecting tank 3 and is positively mounted in the latter.
  • a squeegee 15 is provided below the washing brush 7. It consists of a tube which is attached to the side wall 17 of the collecting tank 3 by means of angles 16. The washing brush 7 is consequently and automatically cleaned in a gentle manner by this tubular doctor blade 15, since it always projects into the washing brush 7 and thus throws the dirt out of its bristles 6.
  • the bottom wall 18 of the collecting tank 3 is designed to be inclined slightly downwards against the direction of rotation of the printing cylinder 2.
  • a drain opening 19 is provided, to which the drain connector 20 connects, which supplies the dirty detergent to a collecting container, not shown, via a hose 21.
  • Spray nozzles 22 are installed at regular intervals in the upper region of the inclined arc wall 18 of the collecting tank 3. These are connected via a hose connection 23 to a pump, not shown, which takes the detergent from a storage container, not shown, and supplies it to the spray nozzles under pressure.
  • the pneumatic adjusting device 26 essentially consists of a cylinder and a piston which is adjustable in two end positions.
  • the piston which is not visible, is firmly connected to the control rod 25.
  • the pneumatic adjusting device 26 is articulated by a bearing via a further journal bearing 27 bock 28 held. This is screwed onto the bracket 29 of an electric motor 30.
  • the console 29 of the electric motor 30 in turn is fastened to the frame wall of the printing machine, not shown, via a stable tab 31.
  • the washing brush 7 is driven by the electric motor 30, specifically through its drive spur gear 32 via a first intermediate spur gear 33, a second small intermediate spur gear 34 and finally via the spur gear 35 which is arranged on the shaft 8 of the washing brush 7.
  • the first intermediate spur gear 33 is rotatably supported on the continuous, stable shaft 10 via ball bearings, not shown, while the other two spur gears 34 and 35 are rotatably supported in the bearing lever 9 via ball bearings, not shown.
  • the collecting box 3 can be accommodated with the one in it Wash brush 7 can be pivoted about 6-7 ° about the axis of rotation of the continuous shaft 10, whereby the wash brush 7 is turned on and off against the lateral surface 4 of the printing cylinder 2.
  • the operation of the device described is as follows:
  • the collecting box 3 is normally in its parked position.
  • the axis of rotation of the shaft 8 of the washing brush 7 is located on the lower dash-dotted line 36, which starts from the axis of rotation of the shaft 10.
  • the piston of the pneumatic type Adjusting device 26 is in its upper position and has pushed the collecting box 3 about the axis of rotation of the shaft 10 into the position shown above via the control rod 25 and the eye bearing 24.
  • the bristles 6 of the washing brush 7 come, as shown, in intensive contact with the outer surface 4 of the printing cylinder 2, which rotates at creep speed.
  • the electric motor 30 set the washing brush 7 in rotation via the drive 32-35 shown, preferably to a speed of 233 revolutions / min.
  • the direction of rotation of the washing brush 7 is opposite to that of the printing cylinder 2.
  • the double arrow provided in the washing brush 7 indicates that the speed of the washing brush 7 is substantially higher than that of the printing cylinder 2.
  • the adjustable spray nozzles 22 become washing solution in a suitable manner Dosage sprayed on the bristles 6.
  • a non-explosive solvent is preferably used as the washing solution.
  • the squeegee 15 ensures that the dirty washing liquid removed again from the lateral surface 4 of the pressure cylinder 2 is sprayed into the collecting box 3 and flows through the drain opening 19, the drain connection 20 and the hose 21 into the collecting tank, not shown.
  • the support roller 12 provided on the gripper shaft 13 runs onto the curved web surface 11, which is shaped such that the washing brush 7 is of course together with for a short time the collecting box 3 is pivoted into the lower dash-dotted position 36, so that the grippers 37 can pass without touching the bristles 6 of the washing brush 7.
  • the washing brush 7 is placed again on the lateral surface 4 of the printing cylinder 2.
  • the two dash-dotted indications of the support roller 12 show the beginning and the end of the brief lifting of the washing device 1.
  • a modification of the illustrated embodiment is conceivable in that the curved web part 11 of the bearing lever 9 is made adjustable in the radial direction to the pressure cylinder 2, so that the lifting movement can be adapted to different gripper bridge designs.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP87104843A 1986-04-29 1987-04-01 Dispositif de nettoyage pour cylindres d'impression de machines à imprimer Ceased EP0243712A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863614496 DE3614496A1 (de) 1986-04-29 1986-04-29 Waschvorrichtung fuer druckzylinder von druckmaschinen
DE3614496 1987-04-29

Publications (2)

Publication Number Publication Date
EP0243712A2 true EP0243712A2 (fr) 1987-11-04
EP0243712A3 EP0243712A3 (fr) 1988-06-08

Family

ID=6299788

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87104843A Ceased EP0243712A3 (fr) 1986-04-29 1987-04-01 Dispositif de nettoyage pour cylindres d'impression de machines à imprimer

Country Status (6)

Country Link
US (1) US4747348A (fr)
EP (1) EP0243712A3 (fr)
JP (1) JPS63178050A (fr)
CN (1) CN87102668A (fr)
CA (1) CA1270147A (fr)
DE (1) DE3614496A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0315154A2 (fr) * 1987-11-06 1989-05-10 B-J Trading Limited Dispositif de nettoyage pour un cylindre
EP0324118A2 (fr) * 1988-01-12 1989-07-19 Heidelberger Druckmaschinen Aktiengesellschaft Elément d'impression pour une rotative à bobines
EP0388664A2 (fr) * 1989-03-24 1990-09-26 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour nettoyer un cylindre d'imprimerie
EP0591634A1 (fr) * 1992-10-08 1994-04-13 Baldwin-Gegenheimer GmbH Dispositif de nettoyage pour cylindre de machine à imprimer
GB2289019A (en) * 1994-05-06 1995-11-08 Heidelberger Druckmasch Ag Cleaning device for cylinders of a printing press
EP0715955A1 (fr) * 1994-12-06 1996-06-12 MAN Roland Druckmaschinen AG Procédé et appareil à nettoyer un cylindre d'une machine d'impression
EP0747219A2 (fr) * 1995-06-06 1996-12-11 MAN Roland Druckmaschinen AG Dispositif pour nettoyer un cylindre d'une machine à imprimer
EP0796737A3 (fr) * 1996-03-21 1997-10-01 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de nettoyage de machines d'impression rotatives
AT407134B (de) * 1999-04-28 2000-12-27 Manfred Anfang Reinigungsgerät für gegendruckzylinder von flexo- oder tiefdruckmaschinen

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2203096B (en) * 1987-03-28 1991-02-06 Heidelberger Druckmasch Ag Offset printing press blanket washing device
US5322015A (en) * 1988-02-08 1994-06-21 Baldwin Technology Corporation Rotating brush cleaner system
DE3812678C3 (de) * 1988-04-16 1996-04-11 Heidelberger Druckmasch Ag Vorrichtung zum Reinigen von zylindrischen Mantelflächen in Rotationsdruckmaschinen
US5086701A (en) * 1988-11-17 1992-02-11 Baldwin Technology Corp. Printing press blanket cleaner
US5265537A (en) * 1988-11-17 1993-11-30 Baldwin Technology Corporation Printing press blanket cleaner
US5010819A (en) * 1989-09-22 1991-04-30 Oxy-Dry Corporation Blanket cleaning apparatus with selectively engageable flicker bar
US5109770A (en) * 1989-09-22 1992-05-05 Oxy-Dry Corporation Printing cylinder cleaning system
JPH03288756A (ja) * 1990-04-02 1991-12-18 Tokyo Kikai Seisakusho Ltd ドラッグローラー装置
US5245925A (en) * 1990-04-19 1993-09-21 Ryco Graphic Manufacturing Inc. Dry brush cleaning apparatus and method for cleaning printing press blanket cylinders
JP3000534B2 (ja) * 1992-01-27 2000-01-17 株式会社小森コーポレーション 印刷機械のシリンダ洗浄装置
US5257578A (en) * 1993-01-12 1993-11-02 Heidelberger Druckmaschinen Ag Device for automatically cleaning blanket cylinders in a offset printing press
DE4343692C2 (de) * 1993-12-21 1997-09-11 Roland Man Druckmasch Reinigungseinrichtung für einen Gummituch- oder Druckzylinder von Druckmaschinen, vorzugsweise Offsetdruckmaschinen
DE4416296C2 (de) * 1994-05-09 1997-09-04 Roland Man Druckmasch Vorrichtung zum Aufziehen flexibler Druckformen
DE4438347C1 (de) * 1994-10-27 1996-02-22 Roland Man Druckmasch Verfahren zum Reinigen eines Zylinders einer Druckmaschine
US5575211A (en) * 1994-10-28 1996-11-19 Hycorr Machine Corporation Washing Arrangement for rotary printer
JP4248040B2 (ja) * 1997-01-16 2009-04-02 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 輪転印刷機の印刷機構
DE19702082B4 (de) * 1997-01-22 2005-10-13 Heidelberger Druckmaschinen Ag Wascheinrichtung im Druckwerk von Rotationsdruckmaschinen
IL123707A (en) * 1997-05-26 2001-01-28 Heidelberger Druckmasch Ag Method and device for eliminating peeled-off surface portions of an ink-repellent layer of an offset printing plate
DE19860190A1 (de) 1998-02-04 1999-08-05 Heidelberger Druckmasch Ag Vorrichtung zur Reinigung eines Zylinders in einer Druckmaschine
DE29802171U1 (de) * 1998-02-09 1998-03-19 Heidelberger Druckmaschinen Ag, 69115 Heidelberg Vorrichtung zur Reinigung von zwei Zylindern in einer Druckmaschine
US20090059271A1 (en) * 2000-03-28 2009-03-05 Mongonet Methods and apparatus for web-based status of facsimile transmissions to electronic storage destinations
DE10127442A1 (de) * 2001-06-07 2002-12-12 Baldwin Germany Gmbh Druckmaschinenzylinder-Reinigungsvorrichtung
JP2005001243A (ja) * 2003-06-12 2005-01-06 Baldwin Japan Ltd シリンダ洗浄用洗浄液供給装置およびシリンダ洗浄用ブラシユニットおよびシリンダ洗浄装置
CN100443300C (zh) * 2007-01-25 2008-12-17 中国印钞造币总公司 印钞胶辊自动清洗设备及其清洗方法
US8015918B2 (en) * 2007-03-20 2011-09-13 Komori Corporation Cleaning apparatus
US8281717B2 (en) * 2007-07-25 2012-10-09 Air Motion Systems, Inc. Printing cylinder cleaning system
CN108407463B (zh) * 2018-03-23 2023-09-26 唐山富达印务有限公司 一种可适用于多种型号印刷辊的清理装置
CN108407462B (zh) * 2018-03-23 2023-06-06 郑州华美彩印纸品有限公司 一种用于印刷辊表面清洁的装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150098B (de) * 1960-03-04 1963-06-12 Elmer C Grembecki Vorrichtung an einer Druckmaschine zum Reinigen der Mantelflaeche eines Druckzylinders
GB1328512A (en) * 1969-08-25 1973-08-30 Oxy Dry Insternational Ltd Cleaning apparatus for printing machinery
EP0004605A1 (fr) * 1978-04-10 1979-10-17 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif pour nettoyer des cylindres de machines à imprimer, en particulier des machines à imprimer offset
DE2934268A1 (de) * 1978-09-16 1980-03-27 Dainippon Screen Mfg Vorrichtung zum reinigen einer drucktuchwalze in einer druckmaschine

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US2868118A (en) * 1954-09-24 1959-01-13 Harold P Dahlgren Lithographic offset press plate dampening device
US3049997A (en) * 1960-03-04 1962-08-21 Elmer C Grembecki Blanket roller cleaning device
US3120805A (en) * 1960-11-19 1964-02-11 Roland Offsetmaschf Cleaning device for the blanket cylinders in offset printing machines
US3309993A (en) * 1965-01-26 1967-03-21 Oxy Dry Internat Ltd Printing cylinder cleaner
US4015307A (en) * 1969-08-25 1977-04-05 Oxy-Dry Sprayer Corporation Apparatus for cleaning rotating cylindrical surfaces
US4090445A (en) * 1974-08-09 1978-05-23 Crompton & Knowles Corporation Fabric printing machine with impression cylinder washing
US4066017A (en) * 1975-07-09 1978-01-03 Addressograph-Multigraph Corporation Blanket cleaner for duplicating machines
US4270450A (en) * 1979-09-10 1981-06-02 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Arrangement for washing cylinders on printing presses
JPS5730120Y2 (fr) * 1980-01-08 1982-07-01
DE3120983A1 (de) * 1980-05-28 1982-04-29 Dai Nippon Insatsu K.K., Tokyo Vorrichtung zum waschen des gummituchzylinders einer rotations-offsetpresse

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150098B (de) * 1960-03-04 1963-06-12 Elmer C Grembecki Vorrichtung an einer Druckmaschine zum Reinigen der Mantelflaeche eines Druckzylinders
GB1328512A (en) * 1969-08-25 1973-08-30 Oxy Dry Insternational Ltd Cleaning apparatus for printing machinery
EP0004605A1 (fr) * 1978-04-10 1979-10-17 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif pour nettoyer des cylindres de machines à imprimer, en particulier des machines à imprimer offset
DE2934268A1 (de) * 1978-09-16 1980-03-27 Dainippon Screen Mfg Vorrichtung zum reinigen einer drucktuchwalze in einer druckmaschine

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0315154A2 (fr) * 1987-11-06 1989-05-10 B-J Trading Limited Dispositif de nettoyage pour un cylindre
EP0315154A3 (en) * 1987-11-06 1989-07-19 B-J Trading Limited Cleaning apparatus for a cylinder
EP0324118A2 (fr) * 1988-01-12 1989-07-19 Heidelberger Druckmaschinen Aktiengesellschaft Elément d'impression pour une rotative à bobines
EP0324118A3 (en) * 1988-01-12 1989-10-11 Heidelberger Druckmaschinen Aktiengesellschaft Printing unit for a rotary printing machine
EP0388664A2 (fr) * 1989-03-24 1990-09-26 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour nettoyer un cylindre d'imprimerie
EP0388664A3 (fr) * 1989-03-24 1991-05-02 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour nettoyer un cylindre d'imprimerie
EP0591634A1 (fr) * 1992-10-08 1994-04-13 Baldwin-Gegenheimer GmbH Dispositif de nettoyage pour cylindre de machine à imprimer
GB2289019A (en) * 1994-05-06 1995-11-08 Heidelberger Druckmasch Ag Cleaning device for cylinders of a printing press
GB2289019B (en) * 1994-05-06 1997-09-10 Heidelberger Druckmasch Ag Cleaning device for cylinders of a printing press
EP0715955A1 (fr) * 1994-12-06 1996-06-12 MAN Roland Druckmaschinen AG Procédé et appareil à nettoyer un cylindre d'une machine d'impression
EP0747219A2 (fr) * 1995-06-06 1996-12-11 MAN Roland Druckmaschinen AG Dispositif pour nettoyer un cylindre d'une machine à imprimer
EP0747219A3 (fr) * 1995-06-06 1997-05-14 Roland Man Druckmasch Dispositif pour nettoyer un cylindre d'une machine à imprimer
EP0796737A3 (fr) * 1996-03-21 1997-10-01 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de nettoyage de machines d'impression rotatives
AT407134B (de) * 1999-04-28 2000-12-27 Manfred Anfang Reinigungsgerät für gegendruckzylinder von flexo- oder tiefdruckmaschinen

Also Published As

Publication number Publication date
CA1270147A (fr) 1990-06-12
EP0243712A3 (fr) 1988-06-08
US4747348A (en) 1988-05-31
JPS63178050A (ja) 1988-07-22
CN87102668A (zh) 1987-11-11
DE3614496A1 (de) 1987-11-05

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