EP0878304B1 - Dispositif de nettoyage pour un cylindre ou un rouleau d'une machine d'impression - Google Patents

Dispositif de nettoyage pour un cylindre ou un rouleau d'une machine d'impression Download PDF

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Publication number
EP0878304B1
EP0878304B1 EP98108233A EP98108233A EP0878304B1 EP 0878304 B1 EP0878304 B1 EP 0878304B1 EP 98108233 A EP98108233 A EP 98108233A EP 98108233 A EP98108233 A EP 98108233A EP 0878304 B1 EP0878304 B1 EP 0878304B1
Authority
EP
European Patent Office
Prior art keywords
cleaning
spray tubes
spray
cylinder
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
EP98108233A
Other languages
German (de)
English (en)
Other versions
EP0878304A1 (fr
Inventor
Nikola Pupic
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 EP0878304A1 publication Critical patent/EP0878304A1/fr
Application granted granted Critical
Publication of EP0878304B1 publication Critical patent/EP0878304B1/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
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/26—Spraying devices

Definitions

  • the invention relates to a cleaning device for a cylinder or Roll of a printing press according to the preamble of claims 1 and 2 respectively.
  • a cleaning device of this type is known from DE 30 05 469 C2.
  • the device essentially consists of a surface to be cleaned on the surface to be cleaned. and detachable cleaning system, which is equipped with several nozzles for pipes the supply of cleaning fluid or compressed air are assigned.
  • the cleaning system is a pneumatically pressurized pressing element and an over the pressing element guided cleaning cloth is formed. As a cleaning fluid water and solvent are separated via one each arranged within the device Pipe fed to the cleaning system.
  • U1 is another cleaning device for cylinders known from printing presses, which essentially consist of a housing with a Washing brush, a fixed squeegee and a first spray tube for Detergent and a second spray tube for water is formed.
  • the squeegee as well the spray tubes protrude into the rotating area of the bristles of the washing brush and are arranged within the device.
  • DE 43 16 747 C1 describes a device for cleaning a work surface a printing press known, which - also called wash bar - under other has a nozzle bar provided with spray nozzles for a cleaning fluid.
  • the cleaning fluid can preferably be expelled from the nozzle bar with compressed air.
  • the nozzle bar is connected to a pressure booster via a high pressure line coupled.
  • the pressure booster has one with cleaning fluid fillable, opposite the high pressure line by means of a sudden an openable lockable closable storage space as well as a large purpose-built work space Emptying the storage space.
  • the device has no switch on or off Cleaning system in the form of a washing roller or a washcloth.
  • a disadvantage of cleaning devices of this type is that in the case of devices equipped with nozzles Pipes for the supply of cleaning fluid the nozzle strips easily can clog. Furthermore, the nozzle strips are often difficult to access, so that when replacing the nozzles or the feed pipes, a high assembly or disassembly is required.
  • the nozzles or feed pipes can in particular due to paper dust, paint / varnish particles or limescale clog.
  • the object of the invention is to provide a cleaning device for a cylinder or a roller of a printing press with one on the cylinder / the roller and detachable cleaning system in the form of a washing cassette carrying a washcloth or from a housing that houses a washing roller, which avoids the disadvantages mentioned and at least one spray tube for a cleaning fluid has, which can be quickly assembled or disassembled with little effort is.
  • a housing carrying a washing roller or a washing cassette of a cleaning device carrying a washing cloth at least one spray tube extending over its length.
  • Two spray tubes running parallel to one another are preferably arranged, which each separate cleaning fluid or water to the cleaning system Feed (washing roller or wash cloth).
  • this is known to have an opening that the Cylinder / roller surface is assigned, through which the washing roller with the Cylinder / the roller can be brought into contact.
  • the housing has in addition to the Opening opening showing the lateral surface continues to have a recess or an opening into which the openings of the spray tube or the spray tubes themselves protrude, the spray tubes by means of distribution modules or a blocking module from are releasably attached to the outside of the housing.
  • a washing cassette When using a washing cassette, there are at least two side walls and a frame to accommodate rotatable, partially drivable rollers / spools available, between which a washcloth in the form of a washcloth sheet Cleaning system with a pressure system is added.
  • the pressure system is known to serve the turning on or off a section of the washcloth to the cylinder or roller surface.
  • spray pipes with distributor modules or a locking module on the washing cassette, preferably in the area of the side walls, releasably fixed from the outside.
  • the distribution modules are coupled to supply lines for water or cleaning fluid.
  • the washing cassette has a recess through which several over the length small openings arranged at intervals the spray pipes are pointed at the washcloth. About the width of the recess preferably extend two spray tubes arranged in parallel, which also inside the recess can be arranged.
  • the spray pipes are included a pressure medium to expel the respective cleaning fluid.
  • a spray tube has relatively small openings distributed over the length at intervals on.
  • the openings are preferably aligned and on the cleaning system (Washing roller / washing brush or wash cloth).
  • the preferred size of the openings is in a diameter range of about ⁇ 2 mm.
  • the spray pipes are fronted by distribution modules or held a locking module in place. Since the spray pipes in the area of the recess are arranged exposed, it is particularly advantageous in spray pipes made of polyamide to fix the spray pipes in their position in a detachable manner.
  • the cleaning device is particularly suitable for cleaning rollers, blanket cylinders, forme cylinders or impression cylinders.
  • the advantage of the invention is that the spray pipes and distribution modules or a blocking module can be assembled or disassembled with little effort, individually or in groups.
  • a cleaning device should use the example of one in one Housing 2 mounted washing roller as a cleaning system 4 explained in more detail become.
  • the device is in a printing unit a cylinder 1, e.g. one Printing cylinder, assigned to an offset printing machine, the housing 2 has an approximately rectangular cross section and extends over the full width of the cylinder 1 extends. Facing the cylinder surface to be cleaned the housing 2 has an opening through which the cleaning system 4 (Washer roller) can be brought into contact with the cylinder 1.
  • the housing 2 takes the rotatable washing roller, e.g. a washing brush, with the wave of Washer roller is technically coupled with its own drive.
  • the housing 2 has a recess 10 (alternatively, there is other free space possible) in the at least openings 8 of spray pipes 3, 6 as supply lines protrude so that wetting of the cleaning system 4 (Washing brush) can be done.
  • the length is the first Spray tube 3 for the cleaning fluid water and the second spray tube 6 for the cleaning fluid detergent is releasably arranged outside on the housing 2.
  • the Spray tubes 3 and 6 have a plurality of small openings 8, preferably ⁇ 1 mm in diameter, which e.g. at certain intervals at a distance of 10 mm to each other, distributed over the width of the cleaning system 4 and on this are directed.
  • the spray tubes 3 and 6 are made of Cr-Ni steel or polyamide executed and are with supply lines 12 (for the cleaning fluid water) and 11 (for the cleaning fluid detergent) coupled via supply pumps.
  • the openings 8 are preferably, preferably with a diameter of ⁇ 1 mm by grooving (for polyamide) or laser processing (for Cr-Ni steel) introduced into the spray tubes 3, 6. Alternatively, the openings 8 are also as small slots can be made.
  • a doctor blade 5 is attached to the housing 2 is in constant engagement with the cleaning system 4. At the lowest point of the housing 2 is for the dirty cleaning fluid (detergent and water mixture) a drain 7 is arranged, the return line with a collecting container (not shown) for separating and regenerating the mixture is. After regeneration, the cleaned detergent and possibly the cleaned one Water can be returned to the cleaning device.
  • Both spray tubes 3, 6 are in the direction of rotation of the cleaning system 4 before Doctor blade 5 and preferably arranged acting from above. This is so the cleaning fluid penetrate deeper into the cleaning system 4 before the doctor blade 5 can to solve impurities better, being after passing the doctor blade 5 the cleaning system 4 still has sufficient wetting.
  • the cleaning device is still in the area of the gripper bridges of the cylinder 1 can be lifted off so that the cleaning system 4 does not have a gripper bridge can collide.
  • the spray tubes 3, 6 are with connecting pieces having flow channels releasably connected. With spray pipes 3, 6 made of polyamide, the pipes 3, 6 are on the Push-on connectors. The connectors are as a single part or as a component firmly connected to distribution modules 13.
  • the distribution modules 13 are connected from the outside to the housing 2 via connecting elements 9, e.g. Screw connections, releasably connected and coupled at the end to the spray tubes 3, 6.
  • connecting elements 9 e.g. Screw connections
  • there are two distribution modules 13 can be used, which flow channels for the respective cleaning fluid have and can be coupled to the feed lines 11, 12.
  • Distribution module 13 can be used, which in turn can be coupled to supply lines 11, 12 is.
  • a blocking module 16 at the opposite end of the Spray tubes 11, 12 can be used, which have connecting pieces for the spray tubes 3, 6, but has no throughflow channels.
  • the locking module 16 is from the outside with connecting elements 9, e.g. Screw connections, detachable on housing 2 fixed. Locking module 16 and distribution modules 13 are preferably nearby the recess 10 fixed.
  • the spray tubes 3, 6 When the spray tubes 3, 6 are supplied from both sides, there are 11, 12 in the feed lines Tees 14, 15 for the distribution of the respective cleaning fluid on the distribution modules 13 arranged. Distribution modules 13 and blocking module 16 are the Contour of the housing 2 adapted.
  • the spray tubes 3, 6 are profiled as a holder or stiffener for the spray tubes 3, 6 releasably clamped. With that the spray pipes 3.6, fixed in position, the profiling also a sealing function can take over to the recess 10. Via a with the feed lines 11, 12 coupled pressure line and pump is the respective cleaning fluid via the Spray tubes 3, 6, preferably suddenly, driven out.
  • the mode of operation is as follows:
  • the spray tubes 3, 6 are with the respective Cleaning fluid water or detergent using a pressure medium, preferably Compressed air, applied.
  • the cleaning fluid introduced under pressure becomes via the feed lines 11, 12 and flow channels of the distribution modules 13 supplied with connecting pieces to the spray pipes 3, 6 and enters through the openings 8 out.
  • the openings 8 are directed directly onto the cleaning system 4, so that the respective cleaning fluid can penetrate into the cleaning system 4.
  • the length of the jet or its intensity of the respective cleaning fluid is above the Adjustable pressure.
  • the respective cleaning fluid is preferably by the Pressure medium driven out of the spray tubes 3, 6 in a pulse-controlled manner. A possible one Dripping of cleaning fluid from the openings 8 is through the use very small diameter or slits are obsolete.
  • the distribution modules 13 or Locking module 16 with spray tubes 3, 6 is the cleaning fluid supply for the device Can be assembled and disassembled inexpensively and with little effort. Possibly. Blockages in spray pipes 3, 6 or distribution modules 13 can be easily by exchanging the individual components. So are with little Effort blocked spray pipes 3.6 from the distribution modules 13 or Locking module 16 removable and replaceable with new spray tubes 3.6. Similarly are clogged flow openings in distribution modules 13 due to their replacement replaceable with new distribution modules 13. The accessibility of the distribution modules 13 or locking modules 16 and spray tubes 3.6 reduced from the outside noticeable the assembly / disassembly times.

Landscapes

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

Claims (5)

  1. Dispositif de nettoyage pour un cylindre ou un rouleau (1) d'une machine d'impression, comportant un boítier (2) présentant une ouverture, agencée de façon voisine d'une surface d'enveloppe du cylindre ou du rouleau, ayant au moins un tube de pulvérisation fixe (3, 6) pour l'amenée d'un fluide de nettoyage, un système de nettoyage (4) pouvant être appliqué contre et éloigné du cylindre ou du rouleau (1), et une évacuation (7) avec un conduit de retour pour évacuer le fluide de nettoyage pollué, les tubes de pulvérisation (3, 6) présentant plusieurs petites ouvertures (8) agencées de façon répartie à intervalles sur la longueur, lesquelles sont orientées vers le système de nettoyage (4) et peuvent être alimentées par un agent de pression pour l'expulsion du fluide de nettoyage,
    caractérisé en ce que :
    le boítier (2) présente un évidement (10) dans lequel pénètrent au moins les ouvertures (8) de tubes de pulvérisation (3, 6) agencés parallèlement à un rouleau de lavage comme système de nettoyage (4),
    deux tubes de pulvérisation (3, 6) s'étendent sur la largeur de l'évidement (10),
    les tubes de pulvérisation (3, 6) peuvent être couplés, frontalement, à au moins un module de répartition (13) présentant des canaux d'écoulement, et le module de répartition (13) est fixé de façon amovible, de l'extérieur, au boítier (2), le module de répartition (13) pouvant être couplé à des conduits d'amenée (11, 12) pour l'alimentation en fluide de nettoyage.
  2. Dispositif de nettoyage pour un cylindre ou un rouleau (1) d'une machine d'impression, comportant une cassette de lavage agencée de façon voisine d'une surface d'enveloppe du cylindre ou du rouleau, formée généralement par deux parois latérales et un cadre pour recevoir des bobines ou rouleaux pouvant être partiellement entraínés, montés de façon rotative, pour un tissu de lavage comme système de nettoyage (4) ainsi qu'un système de pressage pour appliquer contre ou éloigné un tronçon du tissu de lavage de la surface d'enveloppe du cylindre, et au moins un tube de pulvérisation (3, 6) pour l'amenée d'un fluide de nettoyage, les tubes de pulvérisation (3, 6) pouvant être alimentés par un agent de pression pour l'expulsion du fluide de nettoyage,
    caractérisé en ce que :
    la cassette de lavage présente un évidement (10), dans lequel pénètrent au moins les ouvertures (8) de tubes de pulvérisation (3, 6) agencés parallèlement aux bobines ou rouleaux du système de nettoyage (4),
    deux tubes de pulvérisation (3, 6) s'étendent parallèlement sur la largeur de l'évidement (10),
    les tubes de pulvérisation (3, 6) présentent plusieurs petites ouvertures (8) agencées de façon répartie à intervalles sur la longueur, lesquelles sont orientées vers le système de nettoyage (4),
    les tubes de pulvérisation (3, 6) peuvent être couplés, frontalement, à au moins un module de répartition (13) présentant des canaux d'écoulement, et le module de répartition (13) est fixé de façon amovible, de l'extérieur, à la cassette de lavage, le module de répartition (13) pouvant être couplé à des conduits d'amenée (11, 12) pour l'alimentation en fluide de nettoyage.
  3. Dispositif de nettoyage selon la revendication 1 ou 2, caractérisé en ce que, pour l'alimentation bilatérale du fluide de nettoyage, un module de répartition (13) présentant des canaux d'écoulement est associé à chaque face frontale des tubes de pulvérisation (3, 6), chaque module (13) étant couplé aux conduits d'amenée (11, 12).
  4. Dispositif de nettoyage selon la revendication 1 ou 2, caractérisé en ce que, pour l'alimentation d'un côté du fluide de nettoyage, un module de répartition (13) présentant des canaux d'écoulement et, de façon opposée, un module d'arrêt (16) sont associés à une face frontale des tubes de pulvérisation (3, 6), uniquement le module de répartition (13) étant couplé aux conduits d'amenée (11, 12).
  5. Dispositif de nettoyage selon la revendication 1 ou 2, caractérisé en ce que les tubes de pulvérisation (3, 6) ayant des ouvertures (8) sont réalisés en un polyamide et sont fixés en position, de façon amovible, dans un profilé entre les modules de répartition (13) et le module d'arrêt (16).
EP98108233A 1997-05-13 1998-05-06 Dispositif de nettoyage pour un cylindre ou un rouleau d'une machine d'impression Expired - Lifetime EP0878304B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29708470U 1997-05-13
DE29708470U DE29708470U1 (de) 1997-05-13 1997-05-13 Reinigungsvorrichtung für einen Zylinder oder eine Walze einer Druckmaschine

Publications (2)

Publication Number Publication Date
EP0878304A1 EP0878304A1 (fr) 1998-11-18
EP0878304B1 true EP0878304B1 (fr) 2000-12-06

Family

ID=8040253

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98108233A Expired - Lifetime EP0878304B1 (fr) 1997-05-13 1998-05-06 Dispositif de nettoyage pour un cylindre ou un rouleau d'une machine d'impression

Country Status (3)

Country Link
EP (1) EP0878304B1 (fr)
AT (1) ATE197934T1 (fr)
DE (2) DE29708470U1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10000549A1 (de) * 2000-01-08 2001-07-12 Baldwin Grafotec Gmbh Waschbalken für Druckmaschinenzylinder
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
GB2421216A (en) * 2004-12-16 2006-06-21 G A P Printing Sales Ltd Apparatus for washing a blanket in an offset printing press
DE102005003030A1 (de) * 2005-01-22 2006-07-27 Baldwin Germany Gmbh Druckmaschinen-Befeuchtungsvorrichtung und Druckmaschinen-Waschvorrichtung
DE102006023896A1 (de) * 2006-05-22 2007-11-29 Heidelberger Druckmaschinen Ag Vorrichtung zum Reinigen eines Zylinders einer Druckmaschine
DE102014113190A1 (de) * 2014-09-12 2016-03-17 Manroland Web Systems Gmbh Reinigungsvorrichtung für eine Druckmaschine
US20210292687A1 (en) 2018-08-15 2021-09-23 Baldwin Jimek Ab Roll of cleaning fabric and related apparatus and methods
SE545322C2 (en) 2021-10-28 2023-07-04 Baldwin Jimek Ab Roll of cleaning fabric, and methods for forming the roll and using it for cleaning printing cylinders

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952654A (en) * 1974-04-08 1976-04-27 Evans Robert E Automatic blanket wash-up system
US4344361A (en) * 1979-04-19 1982-08-17 Baldwin-Gegenheimer Corporation Automatic blanket cylinder cleaner
DE3825305A1 (de) * 1988-07-26 1990-02-01 Spiess Gmbh G Gummituchwaschvorrichtung
US5010819A (en) * 1989-09-22 1991-04-30 Oxy-Dry Corporation Blanket cleaning apparatus with selectively engageable flicker bar
DE4316747C1 (de) * 1993-05-19 1994-12-08 Kotterer Grafotec Vorrichtung zur Reinigung einer Arbeitsfläche einer Druckmaschine
DE4343692C2 (de) * 1993-12-21 1997-09-11 Roland Man Druckmasch Reinigungseinrichtung für einen Gummituch- oder Druckzylinder von Druckmaschinen, vorzugsweise Offsetdruckmaschinen
DE9403228U1 (de) * 1994-02-26 1994-04-21 Heidelberger Druckmaschinen Ag, 69115 Heidelberg Wascheinrichtung zum Waschen der Mantelfläche eines Zylinders einer Druckmaschine
EP0730960A3 (fr) * 1995-03-09 1997-07-09 Baldwin Graphic System Inc Procédé et système pour déterminer la fin d'un rouleau de matière textile destiné à être utilisé dans un dispositif de nettoyage d'un cylindre dans une machine d'impression
DE29612400U1 (de) * 1996-07-17 1996-09-12 MAN Roland Druckmaschinen AG, 63075 Offenbach Reinigungsvorrichtung für einen Zylinder einer Druckmaschine
DE29620271U1 (de) * 1996-11-21 1997-01-09 MAN Roland Druckmaschinen AG, 63075 Offenbach Reinigungsvorrichtung für einen Zylinder einer Druckmaschine

Also Published As

Publication number Publication date
ATE197934T1 (de) 2000-12-15
DE29708470U1 (de) 1997-07-10
EP0878304A1 (fr) 1998-11-18
DE59800373D1 (de) 2001-01-11

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