EP1244552B1 - Dispositif de nettoyage pour cylindre de machine a imprimer - Google Patents

Dispositif de nettoyage pour cylindre de machine a imprimer Download PDF

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Publication number
EP1244552B1
EP1244552B1 EP01911463A EP01911463A EP1244552B1 EP 1244552 B1 EP1244552 B1 EP 1244552B1 EP 01911463 A EP01911463 A EP 01911463A EP 01911463 A EP01911463 A EP 01911463A EP 1244552 B1 EP1244552 B1 EP 1244552B1
Authority
EP
European Patent Office
Prior art keywords
wash
blanket
stop
bar
spindle
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
EP01911463A
Other languages
German (de)
English (en)
Other versions
EP1244552A2 (fr
Inventor
Torsten Schmutz
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.)
Baldwin Germany GmbH
Original Assignee
Baldwin Germany GmbH
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 Baldwin Germany GmbH filed Critical Baldwin Germany GmbH
Publication of EP1244552A2 publication Critical patent/EP1244552A2/fr
Application granted granted Critical
Publication of EP1244552B1 publication Critical patent/EP1244552B1/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
    • B41P2235/20—Wiping devices
    • B41P2235/24—Wiping devices using rolls of cleaning cloth
    • B41P2235/244—Rewinding the cleaning cloth

Definitions

  • the invention relates to a washing system for printing press cylinders according to the Preamble of claim 1.
  • the invention relates to a washing system for printing press cylinders containing a wash bar, which in guides of a bracket between a basic position, one of the printing press cylinder to be washed predetermined distance is away, and a washing position that the Printing press cylinder is approximated, transverse to the printing press cylinder is movable; bearing on the washbar for one Clean cloth spindle and for a dirt spindle for a wash cloth Pressing element for pressing a washcloth section against the outer surface of the printing press cylinder on its way from the cleaning cloth spindle the pressure element on the dirty cloth spindle, and a freewheel drive for Drive the dirt towel spindle are arranged; a first stop on the Bracket through which a cloth transport lever of the freewheel drive in Drive direction is rotated by the first stop the cloth transport lever prevents the washbar from moving when the Washing bar is moved back from the washing position to the basic position, whereas the cloth transport lever of the freewheel drive automatically in The freewheeling direction turns when the wash bar moves forward from the
  • Wash bars are known from US 43 44 361, which one Nozzle device for spraying water on the washcloth on his Have away from the cleaning cloth spindle to the pressure element.
  • the washcloth is dry on the clean cloth spindle. It is also known to have a Detergent moistened with a damp cloth on the cleaning cloth spindle to store.
  • a Cleaning cloth roll inserted on a cleaning cloth spindle in the washing bar and the beginning of the cloth over the pressure element to the dirty cloth spindle pulled and attached to the dirty cloth spindle. It tries to do that Wash cloth between the clean cloth spindle and the dirty cloth spindle so well to tension as possible so that during the subsequent washing process Washcloth is stretched tightly over the pressure element. This tension of the Washcloths are often not made with sufficient care. At a sagging washcloth there is a risk that it from the Printing machine cylinder is entrained.
  • the cylinder to be cleaned in printing machines is in particular a Blanket cylinder, which in the offset printing process the print image of a plate cylinder on the printing medium or a paper web or a Transfers sheets of paper.
  • Blanket cylinder which in the offset printing process the print image of a plate cylinder on the printing medium or a paper web or a Transfers sheets of paper.
  • wash bar there are also other cylinders washable by printing units of a printing press.
  • the object of the invention is to achieve the washing system for Form press cylinder so that less space to insert the wash bar is needed in the guides of the brackets, where at the same time it should be ensured that when inserting the wash bar in the mounts automatically a clean washcloth section over the Pressure element lies and the washcloth between the cleaning cloth spindle and the dirty cloth spindle is optimally tensioned.
  • this is a washer for printing press cylinders characterized in that the guides formed in the brackets in the direction from the washing position backwards over the basic position itself extend and that the wash bar in the same direction of movement as it can be moved forward from the basic position into the washing position, from from the insertion position to the back in the guides Basic position is movable; that a second lever arm with the Cloth transport lever for common rotary movements at least in Drive direction of the freewheel is rotatably connected that the Cloth transport lever and the second lever arm, transverse to the direction of the Movements of the washbar between its basic position and its Washing position, projecting in opposite directions from each other that the first stop is arranged on the side of the dirty cloth spindle which protrudes the cloth transport lever that a second stop on the bracket on the side of the dirty cloth spindle facing away from one side is arranged, on which the second lever arm projects; that the second stop is arranged so far back from the first stop, that the second lever arm rests on the second stop and thereby the Cloth transport lever
  • the invention has the following advantages in particular:
  • the wash bar can be inserted from behind into the guides of the brackets on both sides and moved straight from the insertion position in the same direction to the basic position, in which direction the wash bar can then also be moved from the basic position to a washing position and back again.
  • the washcloth is automatically tensioned when the washbar is inserted into the brackets, even if it could not be tightened manually when it was inserted into the washbar. If the washing bar is removed from the holders after several washing processes, then a washing cloth section soiled by the cleaned cylinder is located on the pressing element as a result of the previous washing process. When the washing bar is reinserted into the holders, the washing cloth is automatically advanced in the manner mentioned by the lever arm which is stuck at the second stop, so that a fresh washing cloth section automatically comes to rest over the pressing element.
  • the washing system according to the invention shown in FIGS. 1 to 9 for washing of a cylinder 2 contains a wash bar 4 which, preferably rectilinear, guide slots 6 of two fixed, parallel with a distance side-by-side guide plates 8 between the one in FIG. 5 shown basic position, of the cylinder 2 to be washed predetermined distance is removed, and the washing position shown in Fig. 6, the the cylinder 2 is approximated at right angles to this cylinder can be moved back by one, not shown, by one Press drive controlled drive, for example hydraulic cylinders or pneumatic cylinder.
  • the washing bar 4 has two spaced parallel ones Side plates 9 for storing a clean cloth spindle 10 and one Dirty cloth spindle 12 for a wash cloth 14. Furthermore, a pressing element 16 for pressing a washcloth section 18 against the outer surface 20 of the Cylinder 2 on the way of wash cloth 14 from clean cloth spindle 10 provided for the dirty cloth spindle 12. Located on the wash bar 4 a freewheel drive 22 for driving the dirty cloth spindle 12, for example in Clockwise according to arrows 24 to gradually wash cloth 14 from the cleaning cloth spindle 10 on the pressure element 18 on the To transport dirty cloth spindle 12, each time such Transport step is carried out when the wash bar from the washing position of Fig. 6 is moved back to the basic position of Fig. 5.
  • a first stop 26 is formed by which a cloth transport lever 28 of the freewheel drive 22 together with the Dirty cloth spindle 12 in the drive direction, d. H. at the illustrated Embodiment is rotated clockwise according to arrows 24, by the first stop 26 prevents the cloth transport lever 28 from moving of wash bar 2 to follow when the wash bar is from the washing position of FIG. 6 in the basic position of FIG. 5 is not moved from that shown drive under the control device, also not shown. These are not shown because they are generally known.
  • Each of the two side plates 9 of the washing beam 4 supports with a longitudinal spacing two arranged one behind the other, protruding laterally outwards Roller bolts 30 and 31 (rollers mounted on bolts), which on both sides the wash bar 4 each in one of the guide slots 6 of the fixed Engage guide plates 8.
  • the slots 6 are 32 at their rear end open. This allows the washing bar 4 with its roller bolts 30 and 31 be inserted into the rear slot ends 32 in the longitudinal direction of the slot and thereby brought into the insertion position of FIG. 2.
  • the slots 6 can open at their front, the cylinder 2 facing end be closed.
  • the lateral assignment of the wash bar 4 between the stationary Guide plates 8 can be seen in FIGS. 7, 8 and 9.
  • the guide slots 6 extend in the guide plates 8 towards the front 6 to the back of the basic position of FIG. 5 addition, so that the washing bar 4 in the same direction as it from 5 in the washing position of Fig. 6 to the front is movable, from the back to the front in the guide slots 6 in the open rear slot end 32 can be inserted and inserted into the guide slots 6, in which both the front and rear roller bolts 30 and 31 in are the guide slots 6 and keep the wash bar 4 tilt-free.
  • a second lever arm 38 is common with the cloth transport lever 28 Rotational movements at least in the drive direction 24 non-rotatably connected.
  • the second lever arm 38 and the cloth transport lever 28 can be two parts or preferably together consist of a one-piece material part.
  • the cloth transport lever 28 and the second lever arm 38 project transversely to the direction the movements of the washing bar 4 between its basic position of FIG. 5 and its washing position of Fig. 6 in opposite directions away from each other, wherein in the illustrated embodiment of the The cloth transport lever 28 projects upwards and the second lever arm 38 projects downwards.
  • the first stop 26 is on the side (upper side) of the Dirty cloth spindle 12 is arranged, on which the cloth transport lever 28 protrudes.
  • a second stop 40 is located on the guide plate 8, which the Freewheel drive 22 is adjacent, on the one side (upper side) opposite side (lower side) of the dirty cloth spindle 12, on which the second lever arm 38 protrudes. Both stops 26 and 40 are on the same Guide plate 8 arranged and both protrude from this towards the inside to the wash bar 4.
  • the second stop 40 is so far behind the first stop 26 arranged behind that the second lever arm 38 at the second stop 40 rests and thereby the cloth transport lever 28 in the drive direction 24 so far rotates that this moves past the first stop 26 without getting caught is when the washing bar 4 from the insertion position of Fig. 2 in the 5 in the guide slots 6 is moved forward. During these movements, the second stop 40 holds the second lever arm 38 firmly, the second lever arm 38 passing over the second stop 40 and is released from this second stop 40 at the latest when the washing bar 4 reaches the basic position of FIG. 5.
  • the dimensions are such chosen that the second lever arm 38 and thus also the cloth transport lever 28th is rotated by an angle of rotation in the drive direction 24, while at Retraction movement of the washing bar 4 from the insertion position of Fig. 2 in the 5 remains on the second stop 40, which one predetermined transport distance of the washcloth 14 around the pressing element 16 corresponds to the transport distance by which the washcloth from Cloth transport lever 28 is transported even when the smallest Diameter of the dirty tissue roll on the dirty tissue spindle 12 Wash bar 4 from the wash position of FIG. 6 in the basic position of FIG. 5 is moved back.
  • the washcloth 14 can, as in the prior art, already on the Clean cloth spindle 10 can be pre-moistened or spray nozzles or other liquid supply means may be provided to washcloth 14 its path of movement from the cleaning cloth spindle 10 to the pressing element 16 to moisten, as is known from the prior art.

Landscapes

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

Claims (3)

  1. Dispositif de nettoyage pour cylindres de machines à imprimer, comprenant une traverse de lavage (4) mobile transversalement par rapport au cylindre de la machine à imprimer, dans des guides (6) d'un support (8), entre une position initiale (figure 5) éloignée d'une distance prédéterminée d'avec le cylindre à nettoyer, et une position de lavage (figure 6) rapprochée dudit cylindre de la machine à imprimer, dispositif dans lequel sont installés, sur la traverse de lavage, des portées destinées à une broche (10) porte-lingette et à une broche de décrassage (12) associées à une lavette (14), un élément presseur (16) pour presser une région (18) de la lavette contre la surface de l'enveloppe du cylindre de la machine à imprimer, sur son trajet depuis la broche porte-lingette jusqu'à la broche de décrassage, en transitant par l'élément presseur, et un entraínement (22) à roue libre conçu pour entraíner la broche de décrassage (12) ; et une première butée (26) située sur le support (8), par l'intermédiaire de laquelle un levier (28) de transport de lavette, faisant partie de l'entraínement (22) à roue libre, est animé d'une rotation dans une direction d'entraínement, ladite première butée empêchant ledit levier (28) de transport de lavette de suivre le mouvement de la traverse de lavage (4) lorsque ladite traverse de lavage (4) est ramenée de la position de lavage (figure 6) à la position initiale (figure 5), tandis que le levier (28) de transport de lavette de l'entraínement (22) à roue libre tourne en revanche automatiquement, dans la direction de la course libre, lorsque la traverse de lavage est déplacée vers l'avant, de la position initiale à la position de lavage ;
    caractérisé par le fait que les guides (6) formés dans les supports (8) s'étendent vers l'arrière depuis la position de lavage (figure 6), au-delà de la position initiale (figure 5), et la traverse de lavage (4) est mobile de l'arrière vers l'avant, dans les guides, d'une position d'insertion (figure 2) à la position initiale (figure 5), dans la même direction que celle dans laquelle elle est mobile, vers l'avant, de la position initiale à la position de lavage ; par le fait qu'un second bras de levier (38) est verrouillé en rotation avec le levier de transport de lavette en vue d'accomplir des mouvements rotatoires communs, au moins dans la direction d'entraínement de la course libre ; par le fait que le levier de transport de lavette et le second bras de levier divergent l'un de l'autre dans des directions opposées, transversalement par rapport à la direction des mouvements de la traverse de lavage entre sa position initiale et sa position de lavage ; par le fait que la première butée (26) est disposée du côté de la broche de décrassage vers lequel le levier (28) de transport de lavette fait saillie ; par le fait qu'une seconde butée (40) est disposée, sur le support (8), du côté de la broche de décrassage (12) qui est tourné à l'opposé de l'un des côtés, et vers lequel le second bras de levier (38) fait saillie ; et par le fait que la seconde butée (40) est agencée, vis-à-vis de la première butée (26), avec un décalage vers l'arrière tel que le second bras de levier (38) porte contre ladite seconde butée (40) et imprime par conséquent au levier (28) de transport de lavette, dans la direction de l'entraínement, une rotation telle que ce dernier soit déplacé en regard de la première butée (26), sans rester accroché, lorsque la traverse de lavage est déplacée de la position d'insertion à la position initiale, la seconde butée (40) repoussant le second bras de levier (38) et le libérant, au plus tard, lorsque la traverse de lavage atteint la position initiale.
  2. Dispositif de lavage pour cylindres de machines à imprimer, selon la revendication 1,
    caractérisé par le fait que les guides (6) sont rectilignes.
  3. Dispositif de lavage pour cylindres de machines à imprimer, selon la revendication 1 ou 2,
    caractérisé par le fait que le levier (28) de transport de lavette et le second bras de levier (38) forment, conjointement, une pièce matérielle monobloc.
EP01911463A 2000-01-08 2001-01-05 Dispositif de nettoyage pour cylindre de machine a imprimer Expired - Lifetime EP1244552B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10000554A DE10000554A1 (de) 2000-01-08 2000-01-08 Waschanlage für Druckmaschinenzylinder
DE10000554 2000-01-08
PCT/EP2001/000064 WO2001051284A2 (fr) 2000-01-08 2001-01-05 Dispositif de nettoyage pour cylindre de machine a imprimer

Publications (2)

Publication Number Publication Date
EP1244552A2 EP1244552A2 (fr) 2002-10-02
EP1244552B1 true EP1244552B1 (fr) 2003-07-30

Family

ID=7627010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01911463A Expired - Lifetime EP1244552B1 (fr) 2000-01-08 2001-01-05 Dispositif de nettoyage pour cylindre de machine a imprimer

Country Status (6)

Country Link
US (1) US20030000407A1 (fr)
EP (1) EP1244552B1 (fr)
JP (1) JP2003523843A (fr)
CN (1) CN1392838A (fr)
DE (2) DE10000554A1 (fr)
WO (1) WO2001051284A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005013955A1 (de) * 2005-03-26 2006-09-28 Baldwin Germany Gmbh Waschvorrichtung für eine Druckmaschine
DE102009013327A1 (de) 2008-04-21 2009-10-22 Heidelberger Druckmaschinen Ag Verfahren zum Betreiben einer Druckmaschine

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10160197A1 (de) * 2001-12-09 2003-06-18 Baldwin Germany Gmbh Vorrichtung zum Reinigen von rotierenden Druckmaschinenzylindern
DE10160255A1 (de) * 2001-12-09 2003-06-18 Baldwin Germany Gmbh Vorrichtung zum Reinigen von rotierenden Druckmaschinenzylindern
DE102007054941A1 (de) 2007-11-17 2009-05-20 Baldwin Germany Gmbh Reinigungsvorrichtung für Druckmaschinenzylinder
WO2014178426A1 (fr) * 2013-05-02 2014-11-06 富士フイルム株式会社 Procédé de gravure, liquide de gravure et kit à liquide de gravure à utiliser dans ledit procédé, et procédé de fabrication d'un produit substrat en semiconducteur

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
US3043215A (en) * 1960-02-01 1962-07-10 Gestetner Ltd Priming liquid applicator for offset rotary printing machines
US4344361A (en) * 1979-04-19 1982-08-17 Baldwin-Gegenheimer Corporation Automatic blanket cylinder cleaner
DE3744800A1 (de) * 1987-10-28 1989-06-29 Spiess Gmbh G Gummituchwaschvorrichtung
JPH0276740A (ja) * 1988-09-13 1990-03-16 Nikka Kk 印刷機のブランケット洗浄装置及び洗浄方法
DE3909119C2 (de) * 1989-03-20 1997-01-23 Heidelberger Druckmasch Ag Wascheinrichtung für eine Druckmaschine
DE4211310A1 (de) * 1992-04-04 1993-10-28 Heidelberger Druckmasch Ag Vorrichtung zur Reinigung farbführender Oberflächen in Druckwerken
DE4215355C2 (de) * 1992-05-13 1995-09-21 Roland Man Druckmasch Waschvorrichtung für Zylinder in Druckmaschinen, insbesondere Bogenoffsetdruckmaschinen
US5328116A (en) * 1992-06-12 1994-07-12 Nikka Kabushiki Kaisha Regulated length take-up device
SE469884B (sv) * 1992-09-18 1993-10-04 Jimek Int Ab Anordning och förfarande för automatisk rengöring av valsar, särskilt tryckcylindrar
DE9212882U1 (de) * 1992-09-24 1992-12-03 Baldwin-Gegenheimer GmbH, 8900 Augsburg Druckmaschinenzylinder-Waschvorrichtung
DE4233953A1 (de) * 1992-10-08 1994-04-14 Baldwin Gegenheimer Gmbh Druckmaschinenzylinder-Waschvorrichtung
DE4422612C1 (de) * 1994-06-28 1995-06-29 Heidelberger Druckmasch Ag Wascheinrichtung für Farbwerke von Druckmaschinen
DE19506640C2 (de) * 1995-02-25 1998-09-10 Roland Man Druckmasch Einrichtung zum Reinigen von Zylindern in Druckmaschinen
JP3604785B2 (ja) * 1995-07-26 2004-12-22 株式会社小森コーポレーション 印刷機のシリンダ洗浄装置
EP1378356B1 (fr) * 1998-02-10 2010-03-31 Baldwin-Japan Ltd. Dispositif pour nettoyer un cylindre
DE19941943B4 (de) * 1998-10-08 2008-11-13 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zur Entnahme einer Reinigungseinrichtung aus einer Druckmaschine
DE19958087B4 (de) * 1998-12-24 2008-07-03 Heidelberger Druckmaschinen Ag Verfahren zur Entnahme und zum Einsetzen einer Reinigungseinrichtung sowie Druckmaschine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005013955A1 (de) * 2005-03-26 2006-09-28 Baldwin Germany Gmbh Waschvorrichtung für eine Druckmaschine
DE102009013327A1 (de) 2008-04-21 2009-10-22 Heidelberger Druckmaschinen Ag Verfahren zum Betreiben einer Druckmaschine
US8056476B2 (en) 2008-04-21 2011-11-15 Heidelberger Druckmaschinen Ag Method for operating a printing press and printing press implementing the method
DE102009013327B4 (de) 2008-04-21 2019-03-07 Heidelberger Druckmaschinen Ag Verfahren zum Betreiben einer Druckmaschine

Also Published As

Publication number Publication date
WO2001051284A2 (fr) 2001-07-19
WO2001051284A3 (fr) 2002-01-17
DE50100438D1 (de) 2003-09-04
US20030000407A1 (en) 2003-01-02
JP2003523843A (ja) 2003-08-12
CN1392838A (zh) 2003-01-22
DE10000554A1 (de) 2001-07-12
EP1244552A2 (fr) 2002-10-02

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