EP1106355A1 - Dispositif pour nettoyer des cylindres d'une machine d'impression - Google Patents

Dispositif pour nettoyer des cylindres d'une machine d'impression Download PDF

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Publication number
EP1106355A1
EP1106355A1 EP99124349A EP99124349A EP1106355A1 EP 1106355 A1 EP1106355 A1 EP 1106355A1 EP 99124349 A EP99124349 A EP 99124349A EP 99124349 A EP99124349 A EP 99124349A EP 1106355 A1 EP1106355 A1 EP 1106355A1
Authority
EP
European Patent Office
Prior art keywords
holding profile
washing roller
washing
profile
roller
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.)
Withdrawn
Application number
EP99124349A
Other languages
German (de)
English (en)
Inventor
Rune G. Dipl.-Ing.(FH) Vestman
Richard H. Dipl.-Ing.(FH) Grieger
Frank-Stephan Dipl.-Ing Kuchel (FH)
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.)
Oxy Dry Maschinen GmbH
Original Assignee
Oxy Dry Maschinen 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 Oxy Dry Maschinen GmbH filed Critical Oxy Dry Maschinen GmbH
Priority to EP99124349A priority Critical patent/EP1106355A1/fr
Publication of EP1106355A1 publication Critical patent/EP1106355A1/fr
Withdrawn legal-status Critical Current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
    • B41P2235/22—Rollers
    • 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 device for cleaning cylinders of a printing press according to the preamble of appended claim 1, one to one wash cylinder adjustable for cleaning cylinder, a drive for the wash roller and means for applying washing liquids to the washing roller and / or on the cylinder to be cleaned.
  • Printing machines such as newspaper web offset machines, commercial web printing machines or sheetfed printing machines contain a variety of cylinders, in particular Blanket cylinders, impression cylinders, plate and form cylinders, cooling rolls, Guide rollers, ink rollers and dampening rollers.
  • Blanket cylinders Blanket cylinders
  • impression cylinders impression cylinders
  • plate and form cylinders cooling rolls
  • Guide rollers guide rollers
  • ink rollers dampening rollers.
  • dampening rollers for guidance, processing and driving of the printing material sheets or the printing material web come the printing material and the cylinders in intensive contact. Especially when paper is printed this causes deposits of paper dust and printing ink on the cylinders.
  • cleaning devices of the type mentioned above such as in the DE-A-1 436 535 describes that which can be set in rotation by the drive of the device Wash roller is placed on the cylinder, while cleaning liquids be applied to the cylinder surface or on the washing roller, so that the impurities adhering to the cylinder are softened and rotated by the Wash roller can be lifted off.
  • the known cleaning devices for cylinders of a printing press exist partly from individual parts attached separately to the printing press, such as the device described in FR-B-1 351 365, the washing roller is attached to pivoting arms. To make it easier to install and remove the To enable cleaning devices, cleaning devices are becoming younger Time, however, consistently provided with a housing that the functionally important Contains parts. Examples of this are in EP-B-0 659 560 and EP-B-0 909 648.
  • the invention has for its object a device of the aforementioned Art to simplify design in order to be more cost-effective to manufacture and Achieve greater ease of installation and maintenance.
  • a cleaning device according to the invention is characterized in that it is no longer installed in a housing, as was previously the case.
  • the invention Rather, the device is constructed with a central holding profile, ie one Support element with a cross section that remains unchanged over its entire length, to which the components of the cleaning device are attached as attachments become.
  • a holding profile can be manufactured in a wide variety of cross sections be, so that very simple connection points for the individual attachments can be provided.
  • the modular structure of the cleaning device according to the invention leads to considerable Cost advantages in production, because the individual components are made up can be kept available and installed depending on the application.
  • a holding profile offers the considerable advantage that it can be cut to length different cylinder widths can be adjusted.
  • the torsional rigidity of the overall device compared to what has been known so far.
  • the problem of dirt accumulation in the corners of the housing so far usual cleaning devices with the invention easily solved be that the cross section of the holding profile towards the washing roller with a substantially flat, closed surface. It also increases the Modular construction according to the invention the ease of repair, since the individual attachments can be easily replaced.
  • the holding profile according to the invention is preferably an extruded extruded profile, preferably made of aluminum or an aluminum alloy.
  • extruded profiles are inexpensive to manufacture, offer a wide variety of possible cross-sections, are tough, stable and light.
  • the low weight of a Aluminum extrusion profile facilitates the handling of an inventive Cleaning device and thus also increases their ease of installation.
  • the attachments to the holding profile, it is advantageous if it is used for this Longitudinal grooves is provided.
  • the attachments if necessary with the help of suitable fastening elements or with brackets, simply used become.
  • the longitudinal grooves are provided with undercuts, can be used to fasten add-on parts, sliding blocks, clamping elements or threaded strips be used. With such a construction it is possible to go through Easy removal of a side cover for individual attachments from the front Pull out the accessible groove to the side and replace if necessary without having to disassemble the entire device.
  • the attachments with their Fasteners are connected so that in particular towards the washing roller no screw or holes are visible because the respective attachment is together with its holder or its fasteners on the front side in the associated Groove in the holding profile can be inserted.
  • the problematic clogging so far of screws or bores with dirt particles lifted off the cylinder then completely eliminated.
  • Additional cylindrical longitudinal channels in the holding profile enable the simplest end faces Screw connections even with pre-assembled, standardized profiles; the Drilling a threaded hole by hand, for example to cover the face or attaching a gearbox can be omitted. Become self-tapping Using screws also saves threading.
  • the holding profile in its outer contour facing the washing roller is concave and is adapted to the circumference of the washing roller.
  • the concave outer contour of the holding profile is relatively close to the surface brought up the washing roller, so that even if dirt is still on Holding profile sets off, a simple reversal of the direction of rotation of the washing roller is enough to loosen this dirt again.
  • the drive of a device can contain a motor, which generally sits in a cylindrical motor housing.
  • the holding profile is also concave towards the motor, the motor housing has adapted surface. This has both greater stability Motor bracket as well as a smaller space required. It can also on this way the motor, which usually does not span the entire width of the cleaning device extends, simply along the holding profile from its engagement with the Usually existing gears are pulled out without the cleaning device also only need to be removed from the printing press.
  • the engine case and the concave surface of the holding profile are preferably one on the other coordinated that there is a large thermal bridge when the engine is installed between these two parts.
  • the holding profile according to the invention enables with such a thermal bridge unprecedented heat dissipation values, and in particular if the holding profile is made of aluminum. This offers Significant advantages, as efficient heat dissipation, especially with electric motors The prerequisite for high power densities is.
  • At least one is preferably used as the means for applying washing liquids Spray tube used, which like the holding profile by simply cutting to different lengths Cylinder widths can be adjusted.
  • the holding profile expediently on a longitudinally continuous recess that the outer surface of the spray tube and adapted to the washing roller or to be cleaned Cylinder is open. This results in a form fit between the Spray tube and the holding profile, the spray tube, for example, on the end face in the Retaining profile can be inserted or clamped on the front.
  • a screwing of the spray tube can advantageously be omitted entirely.
  • a cleaning device for cleaning cylinders of a printing press comprises usually two spray tubes, one spray tube organic solvents, Oils or cleaning emulsions and the other spray tube carries water.
  • the two spray tubes are connected to one another in this way, that they are elastically deformable against each other within certain limits and thus into one recess in the holding profile adapted to the outer contour of this double-tube structure can be snapped into place.
  • a wiping device for the holding profile the washing roller is attached, which is the impurities lifted from the cylinder wipe off the washing roller.
  • This stripping device is preferably made from a squeegee, which is attached to the holding profile via squeegee holders. Special advantages arise here when the squeegee sits and clamps in the squeegee holder a squeegee screwing can be omitted: the depth of the squeegee at the Washing roller can then be easiest by means of an adjusting screw in the doctor holder Ways to be changed; readjusting a partially worn squeegee is also simply possible.
  • the squeegee has a profile with a hexagonal, symmetrical cross section exists, there are more in connection with a clamping bracket Advantages because the squeegee after loosening the squeegee holder by simply rotating it Longitudinal axis can be implemented and reattached to a worn squeegee edge to be replaced by a new edge. The squeegee must therefore be worn of a squeegee edge cannot be completely replaced.
  • Doctor blade also independent of length and can be cut to length by simply cutting to length different widths of the cylinder to be cleaned can be adapted.
  • the squeegee is made from a symmetrical Profile exists, so with one of its edges on the washing roller that both of these edges adjacent surfaces of the doctor blade with the tangential plane of the Include wash roller at approximately the same angle.
  • the squeegee grips symmetrically into the surface of the washing roller, so that identical conditions on the squeegee prevail, regardless of the direction in which the washing roller rotates. This Measure enables the direction of rotation of the washing roller to be reversed without one To have to accept a loss of quality in the function of the squeegee.
  • Retaining profile and possibly a seamless application of Splash guards on the support profile can be easily reversible the washing roller direction of rotation designed a self-cleaning device After a certain period of operation, the washing roller is reversed Direction of rotation driven, for example on the retaining profile, on the fenders or loosen dirt stuck on the squeegee.
  • the cleaning device can also offer considerable advantages in other respects; this is particularly the case for cylinders of a web printing press, which, depending on the web guide Print or follow the substrate web in different directions of rotation: It has a not inconsiderable influence on the washing result whether the Washer roller rotates in the same or opposite direction with the cylinder to be cleaned.
  • the simple reversibility of the device according to the invention can still be achieved by such training and alignment of the doctor holder are supported that its projection onto the wash roller surface should be as small as possible covers the tangential spraying of the stripped on the squeegee Do not hinder dirt particles from the washing roller.
  • a holding plate that with a its edges are arranged pointing radially towards the washing roller, forms, for example the simplest design of such a doctor holder.
  • the embodiment shown in Figure 1 is on a support profile 1, which is an aluminum extruded profile is built up.
  • the holding profile 1 carries on the one hand as a brush roller trained washing roller 2 and on the other hand a motor 3. Behind the Washer roller 2 is a gear housing 4 can be seen, the rear, not here visible end face of the holding profile 1 is attached and the motor 3 to the shaft 5 the washing roller 2 couples.
  • cavities 6, which the material requirements for Reduce extruded support profile 1 are two continuous cylindrical longitudinal channels 7 for the production of front-side screw connections.
  • a splash guard 8 is attached to the device, with a sliding block 9, which is inserted into a first undercut longitudinal groove 10 and one of externally accessible screw 11 receives.
  • a second undercut longitudinal groove 12 is used to attach a motor bracket 13, which is also a thermal bridge between the motor 3 and the holding profile 1.
  • a third longitudinal groove 14 sits with sliding blocks 15 attached a number of squeegee holders 16 which are clamping hold a doctor blade 17 designed as a profile with a hexagonal cross section.
  • the bracket the doctor blade 17 can be released in each case on a clamping screw 18; the depth of attack the doctor blade 17 on the washing roller 2 is adjustable with an adjusting screw 19.
  • On the bottom is a collecting trough 20 for collecting the wiped from the doctor blade 17 Dirt particles attached to the holding profile 1.
  • a first spray tube 21 and a second spray tube 22 for spraying washing liquids onto the washing roller 2 are inserted into a correspondingly shaped recess 23 of the holding profile 1.
  • a first washing liquid supply 24 for the first spray tube 21 with e.g. an organic solvent and a second washing liquid supply 25 for the second spray tube 22 with e.g. Water and an associated manifold block 26 can be seen.
  • FIG. 1 clearly shows, all parts are from the end face shown accessible to the cleaning device; in particular, the doctor holder 16, the Spray tubes 21 and 22 and the motor mount 13, as well as the washing roller 2 Maintenance or repair purposes simply pulled out of the side of the device without having to remove or dismantle them. Furthermore is here shows that the doctor blade 17 symmetrically into the surface of the washing roller 2 engages so that their function regardless of the direction of rotation of the washing roller 2 is.
  • the clamping bracket also adjusts the squeegee edge Clamping screw 18 allows; the adjusting screw 19 ensures that the Adjustment takes place in a defined manner.
  • FIG. 2 a sectional perspective view, the same parts of the Device with the same reference numerals as in Figure 1, which is why in essentially referred to the preceding description.
  • the device shown in FIG. 2 is of the type shown in FIG. 1 Embodiment different than the washing liquid supply on the one hand 24 and the distributor block 26 (not visible here) and on the other hand the motor 3 and the gear housing 4 (also not visible here) on interchanged sides the device are arranged.
  • the squeegee 17 can be clamped in the squeegee holder 16 loosened slightly by loosening the clamping screw 18 and the squeegee 17 in the holder be implemented, for example, a worn doctor blade edge with a 60 ° -Rotation of the squeegee about its longitudinal axis due to a squeegee edge that is as good as new replace.
  • the invention thus significantly enables the components of the cleaning device no longer in a frame or housing, but instead instead are supported by a common support profile, a completely new, real modular design with the corresponding advantages in manufacturing, assembly and maintenance.
  • brackets With appropriate Construction of the brackets can simplify the components Way releasably attached and also optionally a self-cleaning effect the device can be achieved.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP99124349A 1999-12-06 1999-12-06 Dispositif pour nettoyer des cylindres d'une machine d'impression Withdrawn EP1106355A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99124349A EP1106355A1 (fr) 1999-12-06 1999-12-06 Dispositif pour nettoyer des cylindres d'une machine d'impression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99124349A EP1106355A1 (fr) 1999-12-06 1999-12-06 Dispositif pour nettoyer des cylindres d'une machine d'impression

Publications (1)

Publication Number Publication Date
EP1106355A1 true EP1106355A1 (fr) 2001-06-13

Family

ID=8239546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99124349A Withdrawn EP1106355A1 (fr) 1999-12-06 1999-12-06 Dispositif pour nettoyer des cylindres d'une machine d'impression

Country Status (1)

Country Link
EP (1) EP1106355A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005028205A1 (fr) * 2003-09-24 2005-03-31 Richard Munz Dispositif de nettoyage pour cylindres d'impression
WO2005082626A1 (fr) 2004-02-20 2005-09-09 Betz Technologies Gmbh Dispositif pour nettoyer la surface d'un cylindre
EP1719621A1 (fr) 2005-05-02 2006-11-08 Oxy-Dry Maschinen GmbH Système de nettoyage pour les surfaces des cylindres d'une machine d'impression
EP1759846A1 (fr) 2005-08-10 2007-03-07 Oxy-Dry Maschinen GmbH Buse de matière élastique souple
WO2008043506A3 (fr) * 2006-10-09 2008-08-21 Innowatec Dipl Ing Grieger & E Dispositif de nettoyage d'un cylindre d'impression
EP1970132A1 (fr) 2007-03-15 2008-09-17 Heidelberger Druckmaschinen AG Dispositif de nettoyage de cylindres
DE102007025983A1 (de) 2007-06-04 2008-12-11 Technotrans Ag Reinigungsvorrichtung für Druckmaschinen mit gefedeter Rakel

Citations (5)

* 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
EP0419289A2 (fr) * 1989-09-22 1991-03-27 Oxy-Dry Corporation Système de nettoyage de cylindre d'imprimerie
EP0453304A1 (fr) * 1990-04-19 1991-10-23 Ryco Graphic Manufacturing, Inc. Appareil et procédé de nettoyage à sec avec brosse pour cylindres porte-blanchet de presses d'impression
US5383404A (en) * 1993-07-15 1995-01-24 Nikka Kabushiki Kaisha Printing cylinder cleaning apparatus
DE29518355U1 (de) * 1995-11-18 1996-01-11 Heidelberger Druckmasch Ag Bürstenwascheinrichtung mit einer Sprührakel zur Reinigung von Druckmaschinenzylindern, insbesondere von Druckplatten- und Gummituchzylindern einer Offset-Druckmaschine

Patent Citations (5)

* 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
EP0419289A2 (fr) * 1989-09-22 1991-03-27 Oxy-Dry Corporation Système de nettoyage de cylindre d'imprimerie
EP0453304A1 (fr) * 1990-04-19 1991-10-23 Ryco Graphic Manufacturing, Inc. Appareil et procédé de nettoyage à sec avec brosse pour cylindres porte-blanchet de presses d'impression
US5383404A (en) * 1993-07-15 1995-01-24 Nikka Kabushiki Kaisha Printing cylinder cleaning apparatus
DE29518355U1 (de) * 1995-11-18 1996-01-11 Heidelberger Druckmasch Ag Bürstenwascheinrichtung mit einer Sprührakel zur Reinigung von Druckmaschinenzylindern, insbesondere von Druckplatten- und Gummituchzylindern einer Offset-Druckmaschine

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005028205A1 (fr) * 2003-09-24 2005-03-31 Richard Munz Dispositif de nettoyage pour cylindres d'impression
WO2005082626A1 (fr) 2004-02-20 2005-09-09 Betz Technologies Gmbh Dispositif pour nettoyer la surface d'un cylindre
EP1719621A1 (fr) 2005-05-02 2006-11-08 Oxy-Dry Maschinen GmbH Système de nettoyage pour les surfaces des cylindres d'une machine d'impression
US7530307B2 (en) 2005-05-02 2009-05-12 Baldwin Oxy-Dry Gmbh Cleaning system for cylinder surfaces of a printing machine
EP1759846A1 (fr) 2005-08-10 2007-03-07 Oxy-Dry Maschinen GmbH Buse de matière élastique souple
US7644659B2 (en) 2005-08-10 2010-01-12 Oxy-Dry Maschinen Gmbh Cleaning apparatus for cylinder surfaces of a printing machine and spray nozzle for such a cleaning apparatus
WO2008043506A3 (fr) * 2006-10-09 2008-08-21 Innowatec Dipl Ing Grieger & E Dispositif de nettoyage d'un cylindre d'impression
EP1970132A1 (fr) 2007-03-15 2008-09-17 Heidelberger Druckmaschinen AG Dispositif de nettoyage de cylindres
DE102007012434A1 (de) 2007-03-15 2008-09-18 Heidelberger Druckmaschinen Ag Vorrichtung zur Reinigung von Walzen
DE102007025983A1 (de) 2007-06-04 2008-12-11 Technotrans Ag Reinigungsvorrichtung für Druckmaschinen mit gefedeter Rakel
DE102007025983B4 (de) * 2007-06-04 2009-02-19 Technotrans Ag Reinigungsvorrichtung für Druckmaschinen mit gefedeter Rakel

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