EP0790125B1 - Dispositif pour nettoyer la surface d'un cylindre dans une machine d'impression rotative - Google Patents

Dispositif pour nettoyer la surface d'un cylindre dans une machine d'impression rotative Download PDF

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Publication number
EP0790125B1
EP0790125B1 EP97101504A EP97101504A EP0790125B1 EP 0790125 B1 EP0790125 B1 EP 0790125B1 EP 97101504 A EP97101504 A EP 97101504A EP 97101504 A EP97101504 A EP 97101504A EP 0790125 B1 EP0790125 B1 EP 0790125B1
Authority
EP
European Patent Office
Prior art keywords
hollow body
cleaning
cylinder
cleaning cloth
rotary printing
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
EP97101504A
Other languages
German (de)
English (en)
Other versions
EP0790125A1 (fr
Inventor
André Geis
Thomas Kraft
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 EP0790125A1 publication Critical patent/EP0790125A1/fr
Application granted granted Critical
Publication of EP0790125B1 publication Critical patent/EP0790125B1/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

Definitions

  • the invention relates to a device for cleaning the lateral surfaces of cylinders in rotary printing machines, with one extending over the length of the cylinder Cleaning cloth and with a cooperating with it Pressure element, the cleaning cloth through the Pressing element can be pressed against the moving lateral surface is and the pressing element from one with an internal pressure actable elastically deformable hollow body, which expands elastically when the internal pressure is applied.
  • the object is achieved in that the Air supply to the hollow body via a two-way valve is carried out and that the two-way valve of overpressure is switchable to negative pressure, so that the hollow body of an outward stretched position over a neutral Rest position is moved to an inwardly stretched position.
  • the cleaning device with the invention Design assigned to a pressure cylinder, so during a negative pressure is applied to the operation of the machine, so that the gripper fingers without damaging the cleaning cloth can happen.
  • the hollow body is in a neutral rest position in which the cleaning cloth does not Has contact with the cylinder surface.
  • the hollow body is made of a rubber-like Material made, so with this configuration Relatively low overpressure or underpressure is a simple solution of the task at hand.
  • a cylinder 1 of a rotary printing press is for Clean the outer surface 2 of a pressure element 3 one Assigned cleaning device. via the pressure element 3 a cleaning cloth 4 can be pressed onto the outer surface 2, with which the outer surface 2 of the rotating cylinder 1 of Dirt and paint residues can be cleaned.
  • the pressing element is an advantageous embodiment from an elastically deformable hollow body 5, for. B. from a rubber-like material that in a mounting rail 6 is recorded.
  • a hose connector 7 On the mounting rail 6 is for air supply a hose connector 7 is provided with a Two-way valve 8 is connected.
  • the two-way valve 8 is with a compressed air generator 9 and a suction air generator 10 coupled so that depending on the position of the two-way valve 8 the Air supply of the hollow body 5 from positive pressure to negative pressure is switchable.
  • the two-way valve 8 is in one position drawn in which the hollow body 5 with negative pressure is acted upon.
  • the hollow body 5 is dash-dotted and shown in dotted lines in a neutral rest position.
  • the hollow body 5 presses the Cleaning cloth 4 on the outer surface 2.
  • dashed the inwardly expanded position of the hollow body 5 reproduced when a negative pressure is applied.
  • the solution is thus a substantially increased distance 11 between employee and employee position of the Cleaning cloth 4 to the outer surface 2 of the cylinder 1 reached. It can be clearly seen here that the hollow body 5 one without air in the neutral rest position has a convex cross-section on the outside.

Landscapes

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

Claims (2)

  1. Dispositif de nettoyage de la surface de l'enveloppe de cylindres de machines rotatives à imprimer, comprenant une toile de nettoyage se prolongeant sur la longueur du cylindre et un élément d'exercice d'une pression coopérant avec celle-ci, la toile de nettoyage pouvant être serrée par l'élément d'exercice d'une pression contre la surface en mouvement de l'enveloppe et l'élément d'exercice d'une pression consistant en un corps creux déformable élastiquement, pouvant être mis sous pression interne et subissant une expansion élastique lorsqu'il est mis sous pression interne,
       caractérisé en ce que
    l'alimentation en air du corps creux (5) est effectuée par l'intermédiaire d'un distributeur à deux voies (8)
       et
    le distributeur à deux voies (8) peut être amené à passer d'une position de transmission d'une surpression à une position de transmission d'une dépression, de sorte que le corps creux (5) est déplaçable d'une position tendue vers l'extérieur à une position tendue vers l'intérieur par l'intermédiaire d'une position neutre de repos.
  2. Dispositif selon la revendication 1, caractérisé
       en ce que, lorsque le corps creux (5) n'est pas alimenté en air et se trouve à la position neutre de repos, il présente une section transversale bombée vers l'extérieur.
EP97101504A 1996-02-17 1997-01-31 Dispositif pour nettoyer la surface d'un cylindre dans une machine d'impression rotative Expired - Lifetime EP0790125B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19605957 1996-02-17
DE19605957A DE19605957A1 (de) 1996-02-17 1996-02-17 Vorrichtung zum Reinigen der Mantelfläche von Zylindern in Rotationsdruckmaschinen

Publications (2)

Publication Number Publication Date
EP0790125A1 EP0790125A1 (fr) 1997-08-20
EP0790125B1 true EP0790125B1 (fr) 2000-04-19

Family

ID=7785704

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97101504A Expired - Lifetime EP0790125B1 (fr) 1996-02-17 1997-01-31 Dispositif pour nettoyer la surface d'un cylindre dans une machine d'impression rotative

Country Status (5)

Country Link
US (1) US5784962A (fr)
EP (1) EP0790125B1 (fr)
JP (1) JPH09220805A (fr)
CZ (1) CZ14997A3 (fr)
DE (2) DE19605957A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19920231A1 (de) * 1999-05-03 2000-11-09 Baldwin Grafotec Gmbh Reinigungsvorrichtung für die graphische Industrie
DE19920230A1 (de) * 1999-05-03 2000-11-09 Baldwin Grafotec Gmbh Reinigungsvorrichtung für die graphische Industrie
US6799514B2 (en) 2002-01-11 2004-10-05 The Procter & Gamble Company Cleaning apparatus for printing press
WO2003101740A1 (fr) * 2002-05-08 2003-12-11 Baldwin Graphic Systems, Inc. Vessie pourvue d'une region a contact constant pour nettoyer un cylindre porte-blanchet
CN100478793C (zh) * 2002-09-17 2009-04-15 兄弟工业株式会社 处理装置和影像形成设备
DE102006033398B4 (de) * 2006-07-19 2010-01-14 Technotrans Ag Waschvorrichtung für Druckmaschinen
DE102017221537A1 (de) 2017-11-30 2019-06-06 Robert Bosch Gmbh Vorrichtung und Verfahren zum Reinigen eines Teilbereichs einer Gehäuseoberfläche

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4344361A (en) * 1979-04-19 1982-08-17 Baldwin-Gegenheimer Corporation Automatic blanket cylinder cleaner
US4757763A (en) * 1979-04-19 1988-07-19 Baldwin Technology Corporation Automatic blanket cylinder cleaner
DE3309557A1 (de) * 1983-03-17 1984-09-27 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Rakel fuer eine walzenwaschvorrichtung
DD227927A1 (de) * 1984-11-02 1985-10-02 Polygraph Leipzig Vorrichtung zur reinigung eines zylinders einer druckmaschine
JPS63286350A (ja) * 1987-05-19 1988-11-24 Nippon Baldwin Kk 印刷機のシリンダ洗滌装置
DE4008159A1 (de) * 1990-03-15 1991-09-19 Heidelberger Druckmasch Ag Reinigungseinrichtung fuer eine druckmaschine
DE4142422A1 (de) * 1991-12-20 1993-06-24 Baldwin Gegenheimer Gmbh Vorrichtung zum reinigen von zylindern einer rotationsdruckmaschine
DE4319258C2 (de) * 1993-06-09 2003-10-09 Heidelberger Druckmasch Ag Reinigungsvorrichtung für Druckmaschinen
DK83193A (da) * 1993-07-09 1995-01-10 Tresu A S Maskinfabriken Fremgangsmåde og apparat til rensning af overfladen på en valse
US5519914A (en) * 1995-08-01 1996-05-28 Egan; Ronald G. Contact type automatic roll cleaner

Also Published As

Publication number Publication date
JPH09220805A (ja) 1997-08-26
DE59701458D1 (de) 2000-05-25
US5784962A (en) 1998-07-28
CZ14997A3 (en) 1997-09-17
EP0790125A1 (fr) 1997-08-20
DE19605957A1 (de) 1997-08-21

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