EP0514670A1 - Dispositif pour le nettoyage d'un cylindre d'une machine d'impression - Google Patents

Dispositif pour le nettoyage d'un cylindre d'une machine d'impression Download PDF

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Publication number
EP0514670A1
EP0514670A1 EP92106716A EP92106716A EP0514670A1 EP 0514670 A1 EP0514670 A1 EP 0514670A1 EP 92106716 A EP92106716 A EP 92106716A EP 92106716 A EP92106716 A EP 92106716A EP 0514670 A1 EP0514670 A1 EP 0514670A1
Authority
EP
European Patent Office
Prior art keywords
detergent
washing
printing machine
cylinder
solvent
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.)
Granted
Application number
EP92106716A
Other languages
German (de)
English (en)
Other versions
EP0514670B1 (fr
Inventor
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.)
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 EP0514670A1 publication Critical patent/EP0514670A1/fr
Application granted granted Critical
Publication of EP0514670B1 publication Critical patent/EP0514670B1/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
    • B41P2235/30—Recovering used solvents or residues
    • B41P2235/31—Recovering used solvents or residues by filtering
    • 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
    • B41P2235/32—Recovering used solvents or residues by distilling

Definitions

  • the invention relates to a device for washing the cylinder of a printing press with the aid of a washing device, preferably a washing roller, to which a detergent is fed in a circuit, a cleaning device for the soiled detergent being provided in the circuit between the outlet and the inlet of the detergent of the washing device is.
  • the dirty detergent is usually cleaned with the aid of a mechanical filter.
  • this is particularly disadvantageous in that the soiled solvent of the detergent can only be partially cleaned by the filter. Smaller paint particles get back into the circuit and therefore put the control valves, spray nozzles, fittings etc. out of operation after a short time.
  • mechanical filter systems require a very high level of maintenance.
  • the solvent can only be used for a limited time and must be changed at intervals.
  • the used solvent which can no longer be filtered, must be disposed of as special waste.
  • the mechanical filter which consists of an accumulation of nonwoven fabric soaked in the solvent, must also be disposed of in hazardous waste.
  • the invention avoids these disadvantages. It is based on the object of proposing a device with the features mentioned at the outset, which can be felt by one characterized by reduced maintenance effort, in particular disposal problems should noticeably be eliminated.
  • the invention is characterized in that the cleaning device is designed as a distillation device, which is preceded by a collecting container for the dirty detergent and a collecting container for the distilled detergent is connected downstream.
  • the soiled detergent is thus distilled in the circuit according to the invention, so that virtually completely cleaned detergent (solvent) gets back into the circuit. Possibly. the solvent supply is supplemented by a suitable control with fresh solvent (detergent) to take into account the loss of solvent due to evaporation.
  • the residues from the distillation are disposed of from time to time, whereby only comparatively small volumes arise because these are largely thickened residues (colored sludge). As a rule, a single fill of detergent is sufficient.
  • the two collection containers compensate for the throughput time of the medium through the distillation device, which can be a few hours, and thus ensure a constant flow of detergent.
  • a suitable control or regulation is provided, which ensures that the washing device (washing roller) always has sufficient detergent available.
  • Parts of this control system are floats, which ensure that the volumes of detergent in the collection containers do not drop below a certain level.
  • a cleaning device according to the invention is sufficient for all printing units of the machine.
  • a rubber cylinder 1 is provided, the circumference of which can be cleaned with the aid of a washing roller 2.
  • the washing roller is located in a container 3.
  • the washing roller is moistened with a suitable detergent mixture via a spray nozzle 4, as a result of which the rubber cylinder is cleaned.
  • 1 also shows an outlet 5 through which the detergent mixture loaded with dirt particles leaves the container 3 and thus the washing device in the direction of the arrow 6.
  • the dirty detergent then passes into a collecting container 7, to which a float 8 and a pump 9 are assigned. It then leaves the collecting container 7 via a line 10 with a volume meter 11 and reaches a distillation device 12.
  • the detergent is distilled and, as indicated by the arrows 13, the distillate arrives via a line 14 in the direction of the arrow 15 to a fresh agent collecting container 16.
  • a float 17 and a pump 18 are also assigned to this collecting container 16.
  • each of the printing units of the machine is supplied with the cleaned detergent (fresh agent) via suitable branch lines 19a and the cleaning device according to the invention with the collecting container 7, the distillation device 12, is connected via further branch lines 22a, which open into a common collecting line 22 and the collection container 16 provides.
  • the distillation device 12 is preferably electrically heated via suitable coils which heat both the floor and the walls of the device.
  • the vapors then arrive through line 14 into the collecting tank 16. It is a fractional distillation and in the collecting tank 16 the fractions are mixed again. It should be mentioned in this connection that it is a detergent based on hydrocarbons.
  • Another important advantage is that the water used - after the first pass - is lime-free because it is distilled water, so the sensitive parts of the washing device, in particular the spray nozzles, can no longer calcify and the system also stands out For this reason, it has a noticeably longer service life and significantly reduced maintenance.
  • the actual washing device does not need a washcloth so that the detergent can flow back in a cycle.
  • the detergent would remain in the washcloth, which would be disadvantageous for the reasons described.
  • the distillation unit needs about 6 to 7 hours to distill with a quantity of about 80 liters of detergent. For this reason, the distillation device 12 is followed by the collection container 16, in which sufficient fresh detergent can accumulate, which is then returned to the spray nozzles 4 via the pump 18.
  • the collecting container 7 serves to accumulate a sufficient amount of used detergent until it, controlled by the valve 11, is added to the device 12 as soon as the device is ready for a new distillation process.
  • the device 12 in such a way that it can be distilled continuously. In this case, the collecting containers 7 and / or 16 could even possibly cease to exist.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP92106716A 1991-05-23 1992-04-18 Dispositif pour le nettoyage d'un cylindre d'une machine d'impression Expired - Lifetime EP0514670B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4116762A DE4116762A1 (de) 1991-05-23 1991-05-23 Vorrichtung zum waschen eines zylinders einr druckmaschine
DE4116762 1991-05-23

Publications (2)

Publication Number Publication Date
EP0514670A1 true EP0514670A1 (fr) 1992-11-25
EP0514670B1 EP0514670B1 (fr) 1996-03-20

Family

ID=6432204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92106716A Expired - Lifetime EP0514670B1 (fr) 1991-05-23 1992-04-18 Dispositif pour le nettoyage d'un cylindre d'une machine d'impression

Country Status (4)

Country Link
EP (1) EP0514670B1 (fr)
JP (1) JPH05138873A (fr)
AT (1) ATE135636T1 (fr)
DE (2) DE4116762A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994012349A1 (fr) * 1992-11-25 1994-06-09 Sjoeberg Staffan Appareil servant au nettoyage d'objets en mouvement
EP0747219A2 (fr) * 1995-06-06 1996-12-11 MAN Roland Druckmaschinen AG Dispositif pour nettoyer un cylindre d'une machine à imprimer
EP0826502A1 (fr) * 1996-09-02 1998-03-04 De La Rue Giori S.A. Procédé de production de solution d'essuyage fraíche et de traitement de solution d'essuyage usée et dispositif de mise en oeuvre
EP1253014A2 (fr) * 2001-04-27 2002-10-30 Baldwin-Japan Ltd. Unité de brossage pour nettoyer un cylindre

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129189C2 (de) * 1991-09-03 1997-02-27 Roland Man Druckmasch Vorrichtung zum Waschen eines Zylinders einer Druckmaschine
DE4424587C2 (de) * 1994-07-13 1997-12-18 Roland Man Druckmasch Vorrichtung zum Entsorgen von Farbe oder Lack aus Behältern mit einer zugeordneten Walze in einer Rotationsdruckmaschine
DE4445212A1 (de) * 1994-12-17 1996-06-20 Baldwin Gegenheimer Gmbh Waschanlage für Rotationskörper einer Druckmaschine
DE19520551A1 (de) * 1995-06-06 1996-12-12 Roland Man Druckmasch Verfahren und Vorrichtung zum Reinigen eines Zylinders einer Rotations-Druckmaschine
DE19546972A1 (de) * 1995-12-15 1997-06-19 Baldwin Gegenheimer Gmbh Waschanlage einer Maschine der graphischen Industrie
JP3734221B2 (ja) 2002-06-28 2006-01-11 株式会社東京機械製作所 ベアラー清掃装置
DE10313014A1 (de) * 2003-03-24 2004-10-07 Baldwin Germany Gmbh Druckmaschinen-Spül- und -entleervorrichtung und Verfahren
KR100667882B1 (ko) * 2005-10-04 2007-01-11 주식회사 디엠에스 롤프린트 장치
DE102006054946A1 (de) * 2006-11-22 2008-05-29 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Reinigen eines Behälters im Druckwerk einer Rotationsdruckmaschine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015307A (en) * 1969-08-25 1977-04-05 Oxy-Dry Sprayer Corporation Apparatus for cleaning rotating cylindrical surfaces
US4344361A (en) * 1979-04-19 1982-08-17 Baldwin-Gegenheimer Corporation Automatic blanket cylinder cleaner
DE3005236C2 (de) * 1980-02-13 1983-05-19 Mathias Bäuerle GmbH, 7742 St Georgen Waschwerk für eine Offsetmaschine
DE3580908D1 (de) * 1984-12-26 1991-01-24 Dainippon Printing Co Ltd Tiefdrucksystem.
US4646138A (en) * 1985-03-25 1987-02-24 Rca Corporation Video signal recursive filter with luma/chroma separation
JPH0278552A (ja) * 1988-09-16 1990-03-19 Dainippon Printing Co Ltd グラビアシリンダー洗浄装置
DE3837648A1 (de) * 1988-11-05 1990-05-10 Basf Ag Vorrichtung zur auswaschung von photopolymeren druckplatten mittels loesungsmitteln, trocknung der druckplatten und rueckgewinnung der loesungsmittel

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DEUTSCHER DRUCKER (SIEBDRUCK-PRAXIS 'automatisches siebwaschen und destillieren von lösemittlen' 7. September 1989 , OSTFILDERN (RUIT) *
PATENT ABSTRACTS OF JAPAN vol. 14, no. 271 (M-983)(4214) 12. Juni 1990 & JP-A-02 078 552 ( DAINIPPON PRINTING ) 19. März 1990 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994012349A1 (fr) * 1992-11-25 1994-06-09 Sjoeberg Staffan Appareil servant au nettoyage d'objets en mouvement
US5603775A (en) * 1992-11-25 1997-02-18 Sjoeberg; Staffan Utilization of a suction nozzle and jet nozzle for cleaning moving objects
AU676243B2 (en) * 1992-11-25 1997-03-06 M-Clean Papertech Patent Limited Apparatus for cleaning objects in movement
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
EP0826502A1 (fr) * 1996-09-02 1998-03-04 De La Rue Giori S.A. Procédé de production de solution d'essuyage fraíche et de traitement de solution d'essuyage usée et dispositif de mise en oeuvre
US5855787A (en) * 1996-09-02 1999-01-05 De La Rue Giori S.A. Process for producing a fresh wiping solution and for treating a used solution and apparatus for carrying out the process
EP1253014A2 (fr) * 2001-04-27 2002-10-30 Baldwin-Japan Ltd. Unité de brossage pour nettoyer un cylindre
EP1253014A3 (fr) * 2001-04-27 2003-12-10 Baldwin-Japan Ltd. Unité de brossage pour nettoyer un cylindre

Also Published As

Publication number Publication date
DE59205722D1 (de) 1996-04-25
DE4116762A1 (de) 1992-11-26
EP0514670B1 (fr) 1996-03-20
ATE135636T1 (de) 1996-04-15
JPH05138873A (ja) 1993-06-08

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