EP1908591A2 - Dispositif de nettoyage pour une presse rotative - Google Patents

Dispositif de nettoyage pour une presse rotative Download PDF

Info

Publication number
EP1908591A2
EP1908591A2 EP07018962A EP07018962A EP1908591A2 EP 1908591 A2 EP1908591 A2 EP 1908591A2 EP 07018962 A EP07018962 A EP 07018962A EP 07018962 A EP07018962 A EP 07018962A EP 1908591 A2 EP1908591 A2 EP 1908591A2
Authority
EP
European Patent Office
Prior art keywords
cleaning
cleaning device
guide roller
cleaning brush
brush
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
EP07018962A
Other languages
German (de)
English (en)
Other versions
EP1908591A3 (fr
EP1908591B1 (fr
Inventor
Klaus HÄMÄLÄINEN
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.)
Technotrans SE
Original Assignee
Technotrans SE
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 Technotrans SE filed Critical Technotrans SE
Publication of EP1908591A2 publication Critical patent/EP1908591A2/fr
Publication of EP1908591A3 publication Critical patent/EP1908591A3/fr
Application granted granted Critical
Publication of EP1908591B1 publication Critical patent/EP1908591B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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 relates to a cleaning device for cleaning at least one guide roller leading a paper web, which cleaning device has at least one in the region of the guide roller to be cleaned coaxial with this arranged in the bounded by the paper web clearance cleaning brush having a bristle field with helically rotating bristles and at least during the cleaning process with its bristle field at least partially applied to the guide roller cleaning, the cleaning device has at least one dirt outlet through which the means of at least one cleaning brush removed from the guide roller dirt particles sucked or the like can be discharged.
  • the paper web is guided over a plurality of guide rollers, which serve guide rollers for web guidance and for deflecting the paper web inside the machine.
  • the freshly printed paper is guided over such guide rollers, so that a subset of the still fresh ink can adhere to the respective guide rollers. Therefore, these guide rolls have already been given a coarse or structured roll surface so that the contact surfaces coming into contact with the paper or the printing ink thereon can be kept as small as possible on the roll surface.
  • the still remaining on the roll surface ink can lead over time to an undesirable application of ink to the subsequent parts of the paper web and thus to a certain color fog on the newsprint.
  • the guide rollers must be cleaned from time to time. Considering that one is Variety of such guide rollers are located in a printing press, it is clear that such a cleaning of the guide rollers can be associated with a considerable effort.
  • a cleaning device in which the cleaning of the guide rollers production-dependent for the various web paths by wiping with the help of the paper webs.
  • the paper webs are impregnated on both sides with detergent before entering the printing units.
  • the wet paper webs are pulled through the machine at low speed. Brake units stop at different wrap angles the guide rollers in different clocked times and thereby generate the wiping process.
  • the paper web takes fixed ink residues and paper dust from the guide rollers and conveys them out of the machine.
  • the blocking of the guide rollers takes place several times during the washing process several times, so that the entire surface of the guide rollers is cleaned.
  • a cleaning device for cleaning cylindrical lateral surfaces in a sheet-fed rotary machine which has a roller-shaped cleaning brush, which cleaning brush in the non-sheet-guiding area on the lateral surface of the cylinder during the pressure can be adjusted.
  • the cleaning brush of the DE 38 12 678 C3 Previously known cleaning device which may also have a bristle field with spirally arranged rows of bristles, is in a suction bell arranged, which has a, extending over the longitudinal extent of the cleaning brush suction air connection.
  • the previously known cleaning device which is to ensure a smear-free sheet transport with a high degree of functional reliability by relatively simple and reliable machine elements for a long running time, requires a relatively high space requirements in the regularly very cramped machine inside the rotary printing machine due to their long installation depth.
  • the achievement of this object is in the cleaning device of the type mentioned in the fact that the bristle of at least one cleaning brush has at least two adjacent portions with oppositely rotating bristles, which removes the removed in these areas of the guide roller dirt particles either to one between the adjacent cleaning brushes.
  • the cleaning device according to the invention has at least one cleaning brush, the bristle field has at least two adjacent portions with oppositely rotating bristles. Since the bristles circulate helically in these partial areas and since the dirt particles dissolved by these bristles are to be transported to the dirt outlet only over these partial areas and thus over a comparatively short distance to the dirt outlet compared to the entire longitudinal extension of the cleaning brush, the cleaning brush of the cleaning device according to the invention is able to carry out these dirt particles comparatively easily to remove and transported away from the area of the guide roller.
  • the cleaning device according to the invention is also characterized by a high cleaning effect.
  • the two subregions of the bristle field of the at least one cleaning brush have an approximately equal longitudinal extent and adjoin one another approximately in the middle of the bristle field.
  • the cleaning brush is mounted to be movable transversely to the guide roller longitudinal extent and pressurizes the guide roller by means of a pressing force. Since in this invention proposal, the cleaning brush is mounted transversely to the guide roller longitudinal extent movable and pressed by a pressing force against the guide roller, the high cleaning effect of the cleaning device according to the invention is additionally favored.
  • the cleaning brush can be comparatively long in accordance with the guide roller, it is expedient if the cleaning brush is movably mounted on its brush end regions and / or in the area of the bristle field, preferably between the cleaning brush subareas, and / or is pressurized by a pressure force.
  • Such a cleaning device can also be used on large and powerful roll rotary printing machines be used with comparatively long guide rollers.
  • a particularly simple and advantageous embodiment according to the invention provides that at least one compression spring is provided as a pressure force, which pressurizes at least one cleaning brush bearing.
  • the cleaning brush and its associated guide roller have a common rotary drive. If the cleaning brush and the guide roller assigned to it have a common rotary drive, not only is the space-saving design of the cleaning device according to the invention favored, but the cleaning device according to the invention can clean the guide roller both when the rotary printing machine is stationary and during production with the paper web running. Since the guide roller is also in drive connection with the common rotary drive, the guide roller can be moved and cleaned even when the rotary printing press is stationary with or without the paper web guided over the guide roller.
  • the cleaning device can also be retrofitted very easily to existing rotary printing presses when the rotary drive is in driving connection with the guide roller via at least one friction wheel, and when the friction wheel preferably acts on the roller surface of the guide roller.
  • the high cleaning effect of the cleaning device according to the invention is further favored when the cleaning brush is in opposite directions rotatably drivable compared to its associated guide roller.
  • a particularly simple and space-saving embodiment according to the invention provides that the cleaning brush and the guide roller assigned to it have a common rotary drive.
  • an embodiment according to the invention provides that the shaft of the at least one cleaning brush is additionally supported in the course of its longitudinal extent by means of at least one shaft bearing. It is particularly advantageous if at least one shaft bearing is provided in the parting plane between the counter-rotating bristles of the cleaning device according to the invention.
  • a preferred embodiment according to the invention provides that the cleaning brush is pressurized in the region of its shaft bearing by means of at least one compression spring, which compression spring presses the cleaning brush against the cleaning guide roller.
  • a particularly simple and cost-saving embodiment according to the invention provides that the cleaning device has a housing which is made of an extruded and / or made of a metal or plastic profile.
  • the cleaning effect of the cleaning device according to the invention can be additionally increased significantly if the housing of the cleaning device has a longitudinally open cavity in which the cleaning brush is rotatably mounted.
  • the cavity of the cleaning device is shaped in its clear inner circumference with a small distance to the outer periphery of the cleaning brush.
  • the cleaning device 1 has on both sides at their Stirnend Schemeen in each case a dirt outlet 6; On the both sides of the Stirnend Schemeen 'of the cleaning brush 4 provided dirt outlets 6, the dissolved by means of the cleaning brush 4 dirt particles can be removed. Because the Cleaning device 1 makes dispensable over the longitudinal extent of the cleaning brush 4 reaching bell, and since the cleaning device 1 shown here instead has a dirt outlet 6 instead at their Stirnend Schemeen, the cleaning device 1 is characterized by a small installation depth and thus by a comparatively small footprint.
  • the cleaning brush 4 In order to be able to transport the dirt particles in the cleaning device 1 in the direction of the adjacent dirt outlet 6, the cleaning brush 4 has two subregions 7 and counter-rotating bristles which move the dirt particles removed in these subareas 7, 8 from the guide roller 2 to the respective adjacent dirt outlet 6 , Of the dirt outlets 6 provided on both sides, only one dirt outlet 6 can be seen in FIG. Since the opposing portions 7, 8 of the cleaning brush 4 easily solve the dirt particles located on the guide roller 2 and can transport inside the cleaning device 1 to the adjacent dirt outlet 6, the cleaning device 1 is also characterized by a good cleaning effect.
  • the two portions 7, 8 of the bristle field of the cleaning brush 4 have an approximately equal longitudinal extent and adjacent to each other approximately in the middle of the bristle field.
  • the shaft 9 of the cleaning brush 4 is supported at its two shaft end regions and additionally also in the course of its longitudinal extension preferably approximately centrally by means of a shaft bearing 10.
  • the cleaning brush 4 is pressurized in the region of its shaft bearing 10 by means of at least one compression spring 20, which compression spring 20 presses the cleaning brush 4 against the guide roller 2 to be cleaned.
  • FIG. 3 the cleaning device 1 in the region of one of its shaft bearings 10 is shown.
  • the cleaning brush 4 is movably mounted at their Bürstenend Schemeen and preferably also in the region of the bristle field between the cleaning brush sections 7, 8.
  • the cleaning brush is held in a cleaning brush bearing 21, which by means of a pressing force is movable against the guide roller.
  • at least one compression spring 20 is provided as a pressing force, which is supported on a bearing receptacle 23 and the cleaning brush bearing 21 pressurized.
  • the cleaning device 1 has a housing 12, which is made of an extruded profile.
  • the housing 12 has a cavity 13 which is shaped in its clear cross section with a small distance to the outer periphery of the cleaning brush 4.
  • the cavity is open on the longitudinal side, wherein the bristles 5 of the cleaning brush 4 project ready for use from the longitudinal cavity opening 14 of the extruded profile 12.
  • FIG. 2 it is indicated that the cleaning brush 4 and the guide roller 2 to be cleaned by it have a common rotary drive 15.
  • This rotary drive 15 is preferably designed so that the guide roller 2 on the one hand and the cleaning roller 4 on the other hand have opposite directions of rotation.
  • Fig. 4 the common rotary drive 15 is shown in more detail, which is assigned to the guide roller 2 on the one hand and the cleaning roller 4 on the other.
  • This rotary drive 15 has a drive motor 25, whose drive shaft is connected to the cleaning roller 4 via a belt drive indicated by the drive wheels 26, 27.
  • This belt drive is associated with a belt tensioner 28, which ensures despite the movable mounting of the cleaning brush 4 for a tensioned drive belt.
  • the opposite direction of rotation of the guide roller 2 is achieved via two gears 29, 30, which are connected via a further, indicated by the drive wheels 31, 32 belt drive with a friction wheel 33 in drive connection.
  • This friction wheel 33 acts on the roller surface of the guide roller 2 not shown here.
  • the cleaning device 1 can be applied by means of at least one pneumatic cylinder 34 to the guide roller 2 or spaced from this.
  • Fig. 1 it is indicated that the housing 12 of the cleaning device 1, preferably via the cleaning brush 4 may have extending detergent spray tube 35, the one Spray application to the cleaning brush 4 allowed.
  • a detergent outlet 36 is provided, in which the detergent used can be collected again and removed from the housing 12.
  • the cleaning device 1 shown here is characterized by its small footprint and by its high cleaning effect.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Cleaning In General (AREA)
EP07018962A 2006-09-27 2007-09-26 Dispositif de nettoyage pour une presse rotative Not-in-force EP1908591B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006046071A DE102006046071B3 (de) 2006-09-27 2006-09-27 Reinigungsvorrichtung für eine Rotationsdruckmaschine

Publications (3)

Publication Number Publication Date
EP1908591A2 true EP1908591A2 (fr) 2008-04-09
EP1908591A3 EP1908591A3 (fr) 2008-04-16
EP1908591B1 EP1908591B1 (fr) 2010-08-18

Family

ID=38830951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07018962A Not-in-force EP1908591B1 (fr) 2006-09-27 2007-09-26 Dispositif de nettoyage pour une presse rotative

Country Status (3)

Country Link
US (1) US20080087182A1 (fr)
EP (1) EP1908591B1 (fr)
DE (2) DE102006046071B3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009058744B4 (de) * 2009-12-17 2012-11-29 Technotrans Ag Reinigungsvorrichtung für Druck- und Druckplattenzylinder
DE102014113178A1 (de) * 2014-09-12 2016-03-17 Manroland Web Systems Gmbh Reinigungsvorrichtung für eine Druckmaschine
CN116899938A (zh) * 2023-06-14 2023-10-20 安徽国风新材料股份有限公司 一种薄膜加工的胶辊辊面清洁装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812678C3 (de) 1988-04-16 1996-04-11 Heidelberger Druckmasch Ag Vorrichtung zum Reinigen von zylindrischen Mantelflächen in Rotationsdruckmaschinen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120983A1 (de) * 1980-05-28 1982-04-29 Dai Nippon Insatsu K.K., Tokyo Vorrichtung zum waschen des gummituchzylinders einer rotations-offsetpresse
US4875611A (en) * 1987-12-10 1989-10-24 Xerox Corporation Roll media feed roll system
NO305738B1 (no) * 1990-06-14 1999-07-19 Baldwin Technology Corp Trykkingsanordning omfattende roterende t°rr-b°rsteorgan
US5597413A (en) * 1992-12-07 1997-01-28 Xerox Corporation Donor brush
JP2592694Y2 (ja) * 1993-07-15 1999-03-24 ニッカ株式会社 印刷機シリンダ洗浄装置
DE19860854A1 (de) * 1998-12-31 2000-07-06 Koenig & Bauer Ag Vorrichtung zum Reinigen einer Walze
DE10053322A1 (de) * 2000-10-27 2002-05-08 Roland Man Druckmasch Waschvorrichtung für ein Farbwerk einer Druckmaschine
US20020157205A1 (en) * 2001-04-27 2002-10-31 Akira Hara Cylinder cleaning brush unit
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
DE10344115A1 (de) * 2003-09-24 2005-04-21 Richard Munz Reinigungsvorrichtung für Druckzylinder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812678C3 (de) 1988-04-16 1996-04-11 Heidelberger Druckmasch Ag Vorrichtung zum Reinigen von zylindrischen Mantelflächen in Rotationsdruckmaschinen

Also Published As

Publication number Publication date
DE502007004763D1 (de) 2010-09-30
DE102006046071B3 (de) 2008-01-24
EP1908591A3 (fr) 2008-04-16
US20080087182A1 (en) 2008-04-17
EP1908591B1 (fr) 2010-08-18

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