USRE39797E1 - Cleaning device for pressure cylinders of rotary printing presses - Google Patents

Cleaning device for pressure cylinders of rotary printing presses Download PDF

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Publication number
USRE39797E1
USRE39797E1 US11/127,019 US12701900A USRE39797E US RE39797 E1 USRE39797 E1 US RE39797E1 US 12701900 A US12701900 A US 12701900A US RE39797 E USRE39797 E US RE39797E
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United States
Prior art keywords
guide rail
carriage
cleaning device
washing apparatus
belt
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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 - Fee Related
Application number
US11/127,019
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English (en)
Inventor
Richard Munz
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Individual
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Individual
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Publication of USRE39797E1 publication Critical patent/USRE39797E1/en
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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
    • B41P2235/23—Brushes

Definitions

  • the invention concerns a cleaning device for the printing cylinder of a rotary printing press, with a guide rail placed somewhat parallel to the printing cylinder, on which a longitudinally movable carriage slides, and upon which a washing apparatus is releasably mounted, whereby the guide rail, in order to place the washing apparatus before the printing cylinder, is controllingly displaceable, and wherein the washing apparatus is connected to a supply center by means of supply lines for washing detergents, air, electrical current, and the like.
  • the usual printing cylinder which may be made of rubber cloth, is manually cleaned during a machine stop, which practice, besides the expense, presents safety risks for the personnel, since the cylinder rotates with a motorized drive.
  • washing systems are specific to each printing cylinder and are installed, to wash the printing cylinder in an appropriate cycle, between a number of printings in one run and/or after the end of the printing run. By means of this washing, the color and paper dust deposits are cleaned away.
  • the freshly cleaned rubber cloth of the rubber cloth cylinder now assures a continuation of printing of the current run with a good degree of quality, or provides the proper starting conditions after a change of print order.
  • the washing systems are mostly automatically activated, and installed on the printing cylinder and are initiated by a specified washing program from the control station of the rotation equipment or by means of a master controller.
  • a further disadvantage is that systems, because of their stationary installation on the specific printing roll, are, as a rule, not generally exchangeable. Analogously then, the number wash systems to be installed will be the same as the number of printing rollers.
  • EP 0 928 687 A1 discloses a rubber cloth cleaning device, which is smaller than the breadth of the printing cylinder to be cleaned. This cleaning device can be moved along a guide rail parallel to the longitudinal extent of the printing cylinder. Thereby, by the pushing of the cleaning device along the guide rail, the accessibility and vision at any optional point on the rubber cloth cylinder is made possible.
  • the supply hose could be a central consolidating carrying in turn the supply hoses for said media. Added to these, could be another hose for the return flow of the spent water-detergent mixture.
  • the object of the present invention is to create a cleaning device of the kind described in the introductory passages, which, in total, is space saving and with which an extended loose connection is avoided, so that even an installation in safety relevant areas is possible.
  • the supply lines be conducted through the inside of the guide rails from the washing apparatus to a stationary connection point, that the guide rail possess internally a suction wastewater channel, which is placed between upper and the lower sections of a belt running between turnaround rollers for the transport of the carriage, that a belt section from an extensively sealing covering for the open suction wastewater channel located on a longitudinal side, that in the area of the carriage, at least one access pipe fitting be conducted into the interior of the suction wastewater channel, and that proximal to the stationary connection point, a connecting pipe is provided which is connected to the access pipe fitting entering the suction wastewater channel, and that the remaining supply lines beside the suction wastewater channel run inside the guide rail from the stationary connection point to the carriage.
  • the supply and removal lines are protectively conducted in the interior of the guide rail, so that damages from external influences are avoided and also a replacement is possible in safety relevant areas.
  • the suction wastewater channel is made in essentially a U-shaped profile, as seen in a cross section end view, whose open side is covered over by a section of the belt.
  • the longitudinal edges of the belt on its surface distal from the suction wastewater channel are provided with longitudinally extended side rims. Because of the low pressure in the suction wastewater channel, the belt is sealingly pressed onto the edges of the U-shaped member and is guided laterally by means of the side rims.
  • the belt advantageously designed as a toothed belt, on the inside, respectively in the area proximal to the edges, prossesses in the circumferential direction penetrating grooves, and if the suction wastewater channel sealingly engages the edges of its open longitudinal sides in the penetrating grooves.
  • the guide rail be made in the shape of a basin, and possess on the outside, advantageously, U-shaped guiding members.
  • the carriage overlaps the U-shaped guiding members, preferably with bearing based sliding means.
  • the inner space thereof stands available to receive the suction wastewater channel and to contain the necessary supply lines.
  • the guides for the carriage are found at the most extreme side to side distance as possible, whereby the positioning is stabilized and an exact guidance even at higher operational demands is available.
  • the guide rail possesses an open inside cross-section for the reception of the suction wastewater channel with the belts which run about them, as well as a receiving space for the supply lines which are especially held by a drag chain.
  • the drag chain is fastened at one end of the guide rail and runs, loopwise, to the carriage.
  • the suction wastewater channel can be somewhat distanced by being placed at the bottom of the guide rail, so that, first, space for the one section of the belt which runs through under the suction wastewater channel, and second, a place is made for a part of the drag chain.
  • the guide rail has, thus, the entire inside width of the guide rail available for the storage of the temporarily unused, portion of the drag chain. This allows for the coiling of larger supply lines.
  • the stationary connection point for the supply lines which are conducted to the carriage, is placed at one end of the guide rail, whereby for the movement of the supply lines within the guide rail, advantageously, a pull chain is provided.
  • This arrangement brings the stationary supply connection outside of the danger zone of damage.
  • On the outer ends of the guide rails there is to be found either a lateral carrying structure or a wall, on which the guide rail is supported by means of a holder. On this carrying structure or wall, as the case may be, it is also possible to install a connection between the supply source and the stationary connection point.
  • the stationary connection point which also does not join in the lateral displacement movement of the carriage, possesses advantageously, a short piece of line, which protrudes out of the guide rail.
  • connection fittings On the end of this short piece of line, are provided connection fittings for direct connection, or connection by means of a feedline to the supply source unit.
  • a hose is connected onto the connecting pipe of the suction wastewater channel which opens at the connection point.
  • quick opening, plug-in connections would be provided for connection to the supply source unit.
  • a quick on and off coupling is possible, for instance for maintenance purposes.
  • the guide rail possesses sliding elements at its outer ends, for forward and back movements transverse to its longitudinal extent, to be inserted in appropriate holding means.
  • thrust cylinders preferably compressed air cylinders. These cylinders are correspondingly located at the ends of the guide rail and are coupled to lateral holding means by their thrust elements.
  • the thrust cylinders move the guide rail assembly with the washing apparatus which is mounted thereon, over an adjustable thrust range forward to the washing position and back again into an idle position.
  • the carriage and the washing apparatus which is removably affixed thereon, possess on their mutually facing sides, electrical plug-in connections, liquid couplings, as well as wastewater connections, which are designed as self coupling, complementary elements.
  • at least one positioning pin with a complementary counter opening is provided therebetween.
  • Another embodiment makes the proposal, that for the interconnection of the washing apparatus and the carriage, advantageously, tongues with complementary entry openings can be used, and distanced from this connection position, a lock jointure be provided with a manually activated locking lever.
  • the washing apparatus can be connected without tools to the carriage, since the tongues enter into receiving openings, the washing apparatus is set on the carriage, and then secured by the locking lever handle. All supply and removal lines are again in this operation, automatically coupled.
  • washing apparatuses different types of construction can be used, which, however, must possess the same connection configuration for connection to the carriage, so that they are exchangeable, by choice and substitution, with the carriages.
  • the washing apparatus possesses two, somewhat axis parallel brushes, which are installed in housing areas separate from one another and the application area of each points in different directions for the simultaneous application to two associated printing cylinders.
  • FIG. 1 is a cross-sectional view through a guide rail of a cleaning device with the washing apparatus placed thereon,
  • FIG. 2 is a somewhat schematized longitudinal profile view of the cleaning device shown in FIG. 1 ,
  • FIG. 3 is a perspective view of the cleaning device for a printing cylinder with a wash apparatus designed as an interchangeable module.
  • FIG. 4 is a cross-sectional view of a cleaning device with an embodiment of a washing apparatus changed from that of FIG. 1 , and
  • FIG. 5 is a cross-sectional view of a cleaning device with a twin washing apparatus for the simultaneous cleaning of two printing cylinders.
  • a cleaning apparatus 1 is provided for the cleaning of a printing cylinder 2 , on which, as a matter of course in operation, deposits of color and paper particulate accumulate, which, from time to time, must be removed.
  • the cleaning device 1 includes a guide rail 3 which runs essentially parallel to the printing cylinder 2 , on which guide rail 3 a longitudinally moveable carriage 4 is placed and can be releasably connected to the washing apparatus 5 .
  • the washing apparatus 5 has, on its side proximal to the printing cylinder 2 , one or more rotating brushes 6 ( FIGS. 1 , 4 and 5 ), which can be applied to the printing cylinder 2 for the cleaning thereof.
  • the guide rail 3 on its outer ends, transverse to its longitudinal extent, is so carried as to be movable between an idle position and an operating position in accord with the double arrow Pf. 1 (see FIGS. 2 and 3 ).
  • Water and detergent, along with electrical power, are fed from external sources to the carriage 4 which can travel along the guide rail 3 .
  • control lines are connected to the carriage, 4 , and forwarded to the washing apparatus 5 .
  • Spent mixtures of water and detergent are drained away from the washing apparatus 5 through a suction wastewater channel.
  • the supply and removal lines are led inside the guide rail 3 from the washing apparatus 5 to a laterally placed, stationary connection point 7 which does not join in the longitudinal movement of the washing apparatus 5 .
  • a removal line on the one hand, and a supply line on the other are conducted through two separated chambers.
  • the guide rail 3 is shaped like a basin, designed with a somewhat U-shaped cross-section.
  • the guide rail 3 includes on the outside of U-side legs 8 and 9 , structural U-bars 10 , for the guidance of the carriage 4 .
  • This carriage 4 is likewise, U-shaped in its cross-section and overlaps with its side legs 11 and 12 extending downward, the legs of the guide rail 3 .
  • the U-side legs 11 and 12 carry on their inside, advantageously, ball bearing sliders 13 , which engage in the U-bars 10 .
  • a suction wastewater channel 14 As a removal line for wastewater and detergent, inside of the guide rail 3 , a suction wastewater channel 14 is provided.
  • This suction wastewater channel 14 is located between the upper belt section 15 and the under belt section 16 , these being sections of a continuous belt 19 reciprocating between turn-around rollers 17 , 18 (FIG. 2 ).
  • This belt 19 serves for the forward and back transport of the carriage 4 .
  • the suction wastewater channel 14 is open on its upper longitudinal side, and, on that side, to a great extent, is sealingly covered by the upper belt section 15 .
  • the lower belt section 16 of the belt 19 runs underneath the suction wastewater channel 14 .
  • the suction wastewater channel 14 is, essentially, again made in a U-shaped cross section 20 , the open longitudinal side of which is covered, as noted, by the upper section 15 of the belt 19 .
  • the belt 19 is advantageously fabricated as a toothed belt, and possesses on the inside, respectively in the edge zones, grooves 21 which run peripherally about the said belt. In the area of the upper belt section 15 , the said longitudinal edges engage the open sides 22 of the suction wastewater channel, that is, the U-profile 20 , in the grooves 21 .
  • the belt 19 is thereby side-guided and beyond this, provides at the same time a better sealing closure of the suction wastewater channel 14 .
  • On the upper side of the upper belt section 15 there run in addition side members 23 . These side members 23 overlap the edges of the belt 19 , somewhat up to longitudinal edges 22 of the open top longitudinal side of the suction wastewater channel 14 , and form an additional guidance for the belt 19 .
  • the belt 19 is preferably made of plastic. However, belts of rubber or metal may be employed.
  • the belt 19 reciprocates by means of turn-around rollers 17 , 18 located at far ends outside of the ends of the suction wastewater channel 14 .
  • These turnaround rollers 17 , 18 are coupled with a drive motor 24 .
  • the belt 19 on this account, can be run in either direction.
  • a drive motor 24 is axially coupled to the turn-around roller 17 . This does not exclude the possibility that the motor can be offset to the side, in which case drive power transmission to the turn-around rollers 17 , 18 would be by a chain or another belt.
  • the carriage 4 is coupled with the belt 19 in order to be able to carry out a forward and back motion along the guide rail 3 .
  • the belt can be designed as fixed on one end and with its free end connected to the carriage 4 .
  • the belt 19 is shown designed as an endless belt.
  • a plurality of connection fittings 25 are furnished which serve as wastewater connectors into the interior of the suction wastewater channel 14 .
  • These connection fittings 25 sealingly penetrate the belt 19 and crate thereby, a connection between the interior of the suction wastewater channel 14 and the washing apparatus 5 which is set on the carriage 4 .
  • the fittings 25 also form coupling elements for the drive connection.
  • connection fittings 25 can be provided with, for example, diameters of 15 mm to some 20 mm, in order to allow an effective drainage.
  • the entire through flow cross-section can be made to match the requirements by means of the number of the connection fittings 25 which are placed beside one another along the belt 19 .
  • connection pipe 26 is attached to the suction wastewater channel 14 for a (not shown) supply unit, which, by means of a hose, is connectable to a source unit which possesses a suction apparatus.
  • connection position 7 is to be found to the left at the end of the guide rail 3 .
  • connection pipe 26 belonging to this connection point 7 , are the following, which are mentioned, but not described in detail, for instance: quick separating plug-in connections 27 for the supply of hot water, detergents, steam, compressed air as well as electrical energy.
  • the supply source which is associated with the connection position 7 possesses an electronic control apparatus, preferably a programmable stored program control, which can have an interface to an overriding control of the printing machine. Beyond that, there is provided respectively, an apparatus for generating hot water, steam, suction, a source of compressed air and a detergent dispensing device.
  • a drag chain 28 (FIG. 2 ).
  • One end of the drag chain 28 is anchored at the connection point 7 , while the other end is attached to the carriage 4 and moves forward and back with the said carriage.
  • the drag chain 28 is installed in a manner resembling a hose.
  • the carriage 4 and the washing apparatus 5 connected thereto possess on their sides which face one another, electrical plug-in fittings, liquid connections as well as the coupling for wastewater suction. These connections, where required, are provided with the appropriate piping supports and O-ring seals.
  • the couplings are designed as self-coupling, complementary elements, so that, upon the placing of the washing apparatus 5 on the carriage 3 , all supply and removal service connections are automatically made.
  • a positioning pin 29 with a complementarily engaging counter opening ( FIG. 5 ) is provided.
  • hooklike, insertable tongues 30 are furnished on the washing apparatus 5 .
  • On the carriage 4 are complementary openings 31 for said tongues.
  • connection is to be found on the one longitudinal side of the carriage 4 , while on the other longitudinal side, the mechanical connection comprises a manually operated locking lever 32 , for which a bolt 33 on the carriage 4 serves as fulcrum.
  • the guide rail 3 is so mounted that it is moveable only transversely to its longitudinal extent.
  • sliding elements 34 are installed on both of the outer ends of the guide rail 3 . These sliding elements 34 make it possible for the guide rail 3 to be taken up by holding members, which are installed on both sides of the printing cylinder, and to accomplish the operational movement, the washing apparatus 5 is also moved transversely to bring its brushes 6 into contact with the printing cylinder 2 .
  • thrust cylinders with pistons 35 are integrated into the guide rail 3 .
  • the cylinders are secured onto the lateral holding members by the plates 36 .
  • pneumatically controlled action of the pistons 35 these pistons move the guide rail 3 , with the superimposed washing apparatus 5 through a specified distance into the washing position and then back again into an idle position.
  • the washing apparatus 5 possesses at least one rotating brush 6 , which is connected to a rotational drive, wherein this drive is either integrated in the brush 6 or the drive power is transmitted by intermediate chain or belt connection to the said brush 6 .
  • the application area of the brush 6 of the washing apparatus 5 is bordered by a flat, brushlike cleaning blade 37 .
  • one or more suction removal openings 38 for the accumulating wastewater and detergent mixture are provided.
  • spray nozzles by means of which the brushes 6 are sprayed with water and detergent.
  • exit nozzles for steam are provided in order to also clean the printing cylinder 2 with this medium.
  • FIG. 5 shows a cleaning apparatus, in which the super-imposed washing apparatus 5 a is equipped with two, more or less axis parallel brushes, which are installed in housing compartments separated from one another.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
US11/127,019 1999-03-16 2000-03-15 Cleaning device for pressure cylinders of rotary printing presses Expired - Fee Related USRE39797E1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29904781U DE29904781U1 (de) 1999-03-16 1999-03-16 Kombinierte Ver-, Entsorgungs- und Fahrschiene für Waschapparate in Rotationsdruckmaschinen
PCT/EP2000/002260 WO2000054971A1 (fr) 1999-03-16 2000-03-15 Dispositif de nettoyage de cylindres d'impression de presses rotatives et de presses d'impression

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US09/936,450 Reissue US6561096B1 (en) 1999-03-16 2000-03-15 Cleaning device for pressure cylinders of rotary printing presses

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USRE39797E1 true USRE39797E1 (en) 2007-08-28

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ID=8070912

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US09/936,450 Ceased US6561096B1 (en) 1999-03-16 2000-03-15 Cleaning device for pressure cylinders of rotary printing presses
US11/127,019 Expired - Fee Related USRE39797E1 (en) 1999-03-16 2000-03-15 Cleaning device for pressure cylinders of rotary printing presses

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Application Number Title Priority Date Filing Date
US09/936,450 Ceased US6561096B1 (en) 1999-03-16 2000-03-15 Cleaning device for pressure cylinders of rotary printing presses

Country Status (8)

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US (2) US6561096B1 (fr)
EP (1) EP1163115B1 (fr)
AT (1) ATE233660T1 (fr)
AU (1) AU4105500A (fr)
DE (2) DE29904781U1 (fr)
DK (1) DK1163115T3 (fr)
ES (1) ES2193063T3 (fr)
WO (1) WO2000054971A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080173198A1 (en) * 2007-01-15 2008-07-24 Man Roland Druckmaschinen Ag Apparatus and method for cleaning a webbing-up device in a printing press

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030167948A1 (en) * 2002-03-05 2003-09-11 Weitz Martin J. Method and apparatus for steam cleaning anilox inking rollers
FI110761B (fi) 2002-03-22 2003-03-31 Metso Paper Inc Puhdistuslaitteisto liikkuvan pinnan puhdistamiseksi erityisesti paperikoneessa
US7011025B2 (en) * 2003-06-04 2006-03-14 Egan Ronald G Flexographic printing plate cleaner
DE10344115A1 (de) * 2003-09-24 2005-04-21 Richard Munz Reinigungsvorrichtung für Druckzylinder
ITFI20040051A1 (it) * 2004-03-04 2004-06-04 Perini Fabio Dispositivo, metodo e kit per la pulizia dei rulli in macchine da stampa
WO2009015144A1 (fr) * 2007-07-25 2009-01-29 Air Motion Systems, Inc. Système de nettoyage de cylindre d'impression
DE102007040678A1 (de) * 2007-08-29 2009-03-05 Manroland Ag Wendestangeneinheit einer Rollendruckmaschine
DE112013002207T5 (de) * 2012-04-26 2015-01-08 Pad Peripheral Advanced Design Inc. Verfahren und Anlage zur Reinigung von Druckteilen

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2393992A (en) * 1942-12-15 1946-02-05 American Type Founders Inc Cylinder wash-up device
EP0369565A2 (fr) * 1988-11-17 1990-05-23 Baldwin Technology Corporation Dispositif de nettoyage du blanchet dans une presse
US5010819A (en) * 1989-09-22 1991-04-30 Oxy-Dry Corporation Blanket cleaning apparatus with selectively engageable flicker bar
DE4203914A1 (de) * 1991-02-12 1992-09-10 Jpe Kk Vorrichtung zum reinigen eines druckzylinders in einer druckmaschine
DE29722183U1 (de) * 1997-12-16 1998-04-30 punktum - Projektberatung für die grafische Industrie GmbH, 79115 Freiburg Gummituchwaschapparat
WO1998041402A1 (fr) * 1997-03-18 1998-09-24 Machine Design Services, Inc. Systeme de nettoyage de cylindres porte-blanchets
US5918545A (en) * 1996-06-07 1999-07-06 Oxy-Dry Corporation Method and apparatus for cleaning flexographic printing plates

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2393992A (en) * 1942-12-15 1946-02-05 American Type Founders Inc Cylinder wash-up device
EP0369565A2 (fr) * 1988-11-17 1990-05-23 Baldwin Technology Corporation Dispositif de nettoyage du blanchet dans une presse
US5010819A (en) * 1989-09-22 1991-04-30 Oxy-Dry Corporation Blanket cleaning apparatus with selectively engageable flicker bar
DE4203914A1 (de) * 1991-02-12 1992-09-10 Jpe Kk Vorrichtung zum reinigen eines druckzylinders in einer druckmaschine
US5918545A (en) * 1996-06-07 1999-07-06 Oxy-Dry Corporation Method and apparatus for cleaning flexographic printing plates
WO1998041402A1 (fr) * 1997-03-18 1998-09-24 Machine Design Services, Inc. Systeme de nettoyage de cylindres porte-blanchets
DE29722183U1 (de) * 1997-12-16 1998-04-30 punktum - Projektberatung für die grafische Industrie GmbH, 79115 Freiburg Gummituchwaschapparat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080173198A1 (en) * 2007-01-15 2008-07-24 Man Roland Druckmaschinen Ag Apparatus and method for cleaning a webbing-up device in a printing press
US7721647B2 (en) * 2007-01-15 2010-05-25 Man Roland Druckmaschinen Ag Apparatus and method for cleaning a webbing-up device in a printing press

Also Published As

Publication number Publication date
WO2000054971A1 (fr) 2000-09-21
ATE233660T1 (de) 2003-03-15
AU4105500A (en) 2000-10-04
EP1163115B1 (fr) 2003-03-05
DK1163115T3 (da) 2003-06-30
US6561096B1 (en) 2003-05-13
DE29904781U1 (de) 2000-08-03
EP1163115A1 (fr) 2001-12-19
DE50001377D1 (de) 2003-04-10
ES2193063T3 (es) 2003-11-01

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