EP0796736B1 - Cleaning device on rotary printing machines - Google Patents

Cleaning device on rotary printing machines Download PDF

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Publication number
EP0796736B1
EP0796736B1 EP97103055A EP97103055A EP0796736B1 EP 0796736 B1 EP0796736 B1 EP 0796736B1 EP 97103055 A EP97103055 A EP 97103055A EP 97103055 A EP97103055 A EP 97103055A EP 0796736 B1 EP0796736 B1 EP 0796736B1
Authority
EP
European Patent Office
Prior art keywords
cleaning device
profile rail
cleaning
pressure bar
spring
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
EP97103055A
Other languages
German (de)
French (fr)
Other versions
EP0796736A2 (en
EP0796736A3 (en
Inventor
Willi Becker
Jens Friedrichs
Frank Kropp
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0796736A2 publication Critical patent/EP0796736A2/en
Publication of EP0796736A3 publication Critical patent/EP0796736A3/en
Application granted granted Critical
Publication of EP0796736B1 publication Critical patent/EP0796736B1/en
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
    • B41F35/006—Cleaning arrangements or devices for impression cylinders

Definitions

  • the invention relates to a cleaning device Rotary printing machines for cleaning the outer surface of Cylinders, with a pressure bar for pressing a Cleaning cloth on the outer surface, with adjusting means for Position the pressure bar and with an elastic Profile rail over which the cleaning cloth is guided and over the cylinder width is pressed against the outer surface.
  • the object is achieved in that as Adjustment means pneumatic cylinders are provided that the Contact pressure on the profile rail via spring elements takes place, which are supported on the pressure bar, and that between the spring elements and the profile rail Even power transmission provided a female connector is.
  • This solution is not only vibration-free
  • the profile rail touches the outer surface, but it is also a compensation of unevenness in the Shell surface guaranteed.
  • the Female connector a uniform pressure of the profile rail achieved so that an optimal over the entire length of the cylinder Cleaning result is achieved.
  • the female connector is attached to the spring bolt and as Steel band formed and the profile rail is on the Interchangeable steel band.
  • the steel band stabilizes here the mounting rail the z. B. from a rubber-like Material can be made. It also broadcasts the Line forces very evenly and still allows one easy replacement of the profile rail.
  • the cleaning device 1 is on a pressure cylinder 2 or by pivoting in its holder 4 on one Blanket cylinder 3 adjustable.
  • the bracket 4 is here provided on both sides between the machine side frames and enables the cleaning device 1 to be expanded.
  • a pressure bar 6 provided, which extends over the cylinder length.
  • the Pressure bar 6 is on both sides via pivot pin 7 on the Support frame 5 pivotally mounted.
  • the pressure bar 6 takes seen over its length on several spring bolts 8, which in Guide bodies 10 are guided.
  • On the guide body 10 act compression springs 11 so that the rail 12 on the Guide body 10 is resiliently supported. about the Profile rail 12, the cleaning cloth 13 is guided.
  • the Nuts 14 on the spring bolts 8 allow adjustment of travel and limit their investment in the Pressure bar 6 the travel ( Figure 2). When pressed State of the rail 12 on the lateral surface of the Cylinders 2, 3 are the nuts 14 from the pressure bar 6 somewhat lifted off.
  • Pneumatic cylinders 19 are fastened on the support frame 5, whose piston rods 20 when pressurized by Roll 21 the pressure bar 6 around the pivot pin 7 after swivel down.
  • the rollers 21 are on roller pin 22 on the pressure bar 6 attached. If the overpressure in the Pneumatic cylinder 19 turned off, so the Pressure bar 6 raised by tension springs 23 so that the Profile rail 12 with the cleaning cloth 13 from the Shell surface 16 is lifted off.
  • the tension springs 23 are between pin 24 on the support frame 5 and pin 25 on the Pressure bar 6 arranged.
  • threaded bolts 26 are provided on the pressure bar Wear locknuts 27, the locknuts 27 in the in FIG.
  • the female connector 9 can as Steel band be formed and also serves as Storage for the profile rail 12. In the shown Execution of the profile rail 12 in the longitudinal direction on the Female connector 9 are pushed on, so that a light Replacing the profile rail 12 is made possible.

Landscapes

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

Description

Die Erfindung bezieht sich auf eine Reinigungseinrichtung an Rotationsdruckmaschinen zum Reinigen der Mantelfläche von Zylindern, mit einer Andrückleiste zum Andrücken eines Reinigungstuches an die Mantelfläche, mit Stellmitteln zum Anstellen der Andrückleiste und mit einer elastischen Profilschiene, über die das Reinigungstuch geführt und über die Zylinderbreite an die Mantelfläche angedrückt wird.The invention relates to a cleaning device Rotary printing machines for cleaning the outer surface of Cylinders, with a pressure bar for pressing a Cleaning cloth on the outer surface, with adjusting means for Position the pressure bar and with an elastic Profile rail over which the cleaning cloth is guided and over the cylinder width is pressed against the outer surface.

bei einer bekannten Ausführung dieser Art (EP 0 257 818 B1) wird über eine Nockeneinrichtung die Andrückeinrichtung gegen den Druck des Anstellzylinders abgehoben. Dies führt bei höherer Reinigungsgeschwindigkeit zu erheblichen Schlägen, wenn der Nockenstößel auf den Nocken auftrifft. Außerdem ist von Nachteil, daß die komplette Einrichtung mit den Tuchwickeln bewegt werden muß, so daß erhebliche Kräfte zum überwinden der Massenträgheit auftreten. Die hierbei erzeugten Schwingungen können die Reinigungsgüte über die Zylinderlänge beeinträchtigen.in a known version of this type (EP 0 257 818 B1) the pressing device is countered by a cam device lifted the pressure of the adjusting cylinder. This leads to higher cleaning speed to considerable impacts, when the cam follower hits the cam. Besides, is disadvantageous that the complete facility with the Cloth winding must be moved so that considerable forces to overcome inertia occur. The one here generated vibrations can the cleaning quality on the Affect cylinder length.

Ausgehend von diesem Stand der Technik ist es die Aufgabe vorliegender Erfindung, eine gleichmäßig gute Reinigung der Zylindermantelfläche über die ganze Länge zu erreichen.Based on this state of the art, it is the task present invention, a uniformly good cleaning of the Reach cylinder surface over the entire length.

Gemäß der Erfindung wird die Aufgabe dadurch gelöst, daß als Stellmittel Pneumatikzylinder vorgesehen sind, daß der Anstelldruck auf die Profilschiene über Federelemente erfolgt, die sich an der Andrückleiste abstützen, und daß zwischen den Federelementen und der Profilschiene zur gleichmäßigen Kraftübertragung eine Federleiste vorgesehen ist. Mit dieser Lösung wird nicht nur eine schwingungsfreie Anlage der Profilschiene an der Mantelfläche erreicht, sondern es ist auch ein Ausgleich von Unebenheiten in der Mantelfläche gewährleistet. Weiterhin wird durch die Federleiste ein gleichmäßiger Anstelldruck der Profilschiene erreicht, so daß über die ganze Zylinderlänge ein optimales Reinigungsergebnis erzielt wird.According to the invention the object is achieved in that as Adjustment means pneumatic cylinders are provided that the Contact pressure on the profile rail via spring elements takes place, which are supported on the pressure bar, and that between the spring elements and the profile rail Even power transmission provided a female connector is. This solution is not only vibration-free The profile rail touches the outer surface, but it is also a compensation of unevenness in the Shell surface guaranteed. Furthermore, the Female connector a uniform pressure of the profile rail achieved so that an optimal over the entire length of the cylinder Cleaning result is achieved.

Eine vorteilhafte Ausgestaltung der Erfindung ist dadurch gekennzeichnet, daß die Federelemente als Druckfedern mit Federbolzen ausgebildet und über Stellmuttern einstellbar sind. Mit dieser Lösung läßt sich eine gleichmäßige Anstellkraft über die ganze Zylinderlänge erreichen.This is an advantageous embodiment of the invention characterized in that the spring elements as compression springs with Spring bolts designed and adjustable via adjusting nuts are. With this solution, a uniform Achieve contact force over the entire length of the cylinder.

In einer weiteren vorteilhaften Ausgestaltung der Erfindung ist die Federleiste an den Federbolzen befestigt und als Stahlband ausgebildet und die Profilschiene ist an dem Stahlband austauschbar gelagert. Das Stahlband stabilisiert hierbei die Profilschiene die z. B. aus einem gummiähnlichen Material hergestellt werden kann. Außerdem überträgt es die Anstellkräfte sehr gleichmäßig und ermöglicht weiterhin ein leichtes Austauschen der Profilschiene.In a further advantageous embodiment of the invention the female connector is attached to the spring bolt and as Steel band formed and the profile rail is on the Interchangeable steel band. The steel band stabilizes here the mounting rail the z. B. from a rubber-like Material can be made. It also broadcasts the Line forces very evenly and still allows one easy replacement of the profile rail.

Ein ausführendes Beispiel der Erfindung ist den Zeichnungen schematisch dargestellt. Es zeigt:

Figur 1
einen Teilquerschnitt durch die Reinigungseinrichtung mit an die Mantelfläche angestelltem Reinigungstuch,
Figur 2
einen Teillängsschnitt durch die Reinigungseinrichtung.
An exemplary embodiment of the invention is shown schematically in the drawings. It shows:
Figure 1
a partial cross section through the cleaning device with the cleaning cloth attached to the outer surface,
Figure 2
a partial longitudinal section through the cleaning device.

Die Reinigungseinrichtung 1 ist an einem Druckzylinder 2 oder durch Verschwenken in ihrer Halterung 4 an einem Gummituchzylinder 3 anstellbar. Die Halterung 4 ist hierbei beiderseits zwischen den Maschinenseitengestellen vorgesehen und ermöglicht einen Ausbau der Reinigungseinrichtung 1. The cleaning device 1 is on a pressure cylinder 2 or by pivoting in its holder 4 on one Blanket cylinder 3 adjustable. The bracket 4 is here provided on both sides between the machine side frames and enables the cleaning device 1 to be expanded.

In einem Tragrahmen 5, der zwischen den Halterungen 4 schwenkbar angeordnet ist, ist eine Andrückleiste 6 vorgesehen, die sich über die Zylinderlänge erstreckt. Die Andrückleiste 6 ist beiderseits über Schwenkzapfen 7 an dem Tragrahmen 5 schwenkbar gelagert. Die Andrückleiste 6 nimmt über ihre Länge gesehen mehrere Federbolzen 8 auf, die in Führungskörpern 10 geführt sind. Auf die Führungskörper 10 wirken Druckfedern 11, so daß die Profilschiene 12 über die Führungskörper 10 federnd abgestützt ist. über die Profilschiene 12 wird das Reinigungstuch 13 geführt. Die Muttern 14 an den Federbolzen 8 ermöglichen ein Einstellen des Federwegs und begrenzen bei ihrer Anlage an der Andrückleiste 6 den Federweg (Figur 2). In angedrücktem Zustand der Profilschiene 12 an der Mantelfläche des Zylinders 2, 3 sind die Muttern 14 von der Andrückleiste 6 etwas abgehoben.In a support frame 5, which is between the brackets 4th is arranged pivotably, is a pressure bar 6 provided, which extends over the cylinder length. The Pressure bar 6 is on both sides via pivot pin 7 on the Support frame 5 pivotally mounted. The pressure bar 6 takes seen over its length on several spring bolts 8, which in Guide bodies 10 are guided. On the guide body 10 act compression springs 11 so that the rail 12 on the Guide body 10 is resiliently supported. about the Profile rail 12, the cleaning cloth 13 is guided. The Nuts 14 on the spring bolts 8 allow adjustment of travel and limit their investment in the Pressure bar 6 the travel (Figure 2). When pressed State of the rail 12 on the lateral surface of the Cylinders 2, 3 are the nuts 14 from the pressure bar 6 somewhat lifted off.

An dem Schwenkzapfen 7 der Andrückleiste 6 können auf beiden Seiten Schwenkhebel 15 befestigt sein, über die die Profilschiene 12 an die Mantelfläche 16 des Zylinders 2 anstellbar ist. An den Schwenkhebeln 15 sind Kurvenrollen 17 angeordnet, die mit Kurvensegmenten 18 zusammenwirken.On the pivot pin 7 of the pressure bar 6 can on both Side pivot lever 15 can be attached, via which Profile rail 12 on the outer surface 16 of the cylinder 2 is employable. There are cam rollers 17 on the swivel levers 15 arranged, which cooperate with curve segments 18.

Auf dem Tragrahmen 5 sind Pneumatikzylinder 19 befestigt, deren Kolbenstangen 20 bei Druckmittelbeaufschlagung über Rollen 21 die Andrückleiste 6 um den Schwenkzapfen 7 nach unten schwenken. Die Rollen 21 sind über Rollenzapfen 22 an der Andrückleiste 6 befestigt. Wird der überdruck in dem Pneumatikzylinder 19 abgeschaltet, so wird die Andrückleiste 6 durch Zugfedern 23 angehoben, so daß die Profilschiene 12 mit dem Reinigungstuch 13 von der Mantelfläche 16 abgehoben wird. Die Zugfedern 23 sind zwischen Zapfen 24 an dem Tragrahmen 5 und Zapfen 25 an der Andrückleiste 6 angeordnet. Zur Begrenzung der Anstellbewegung der Andrückleiste 6 über die Kolbenstange 20, sind an der Andrückleiste Gewindebolzen 26 vorgesehen, die Stellmuttern 27 tragen, wobei die Stellmuttern 27 in der in Figur 1 gezeigten Stellung auf dem Tragrahmen 5 aufliegen, und hiermit die Schwenkbewegung der Andrückleiste 6 in Richtung auf die Mantelfläche 16 des Zylinders 2 begrenzen. Im unteren Bereich der Federbolzen 8 ist an diesen eine Federleiste 9 befestigt, die sich über die Länge der Profilschiene 12 und somit über die Länge der Zylindermantelfläche 16 erstreckt. Die Federleiste 9 kann als Stahlband ausgebildet sein und dient gleichzeitig als Lagerung für die Profilschiene 12. Bei der gezeigten Ausführung kann die Profilschiene 12 in Längsrichtung auf die Federleiste 9 aufgeschoben werden, so daß ein leichtes Austauschen der Profilschiene 12 ermöglicht ist. Pneumatic cylinders 19 are fastened on the support frame 5, whose piston rods 20 when pressurized by Roll 21 the pressure bar 6 around the pivot pin 7 after swivel down. The rollers 21 are on roller pin 22 on the pressure bar 6 attached. If the overpressure in the Pneumatic cylinder 19 turned off, so the Pressure bar 6 raised by tension springs 23 so that the Profile rail 12 with the cleaning cloth 13 from the Shell surface 16 is lifted off. The tension springs 23 are between pin 24 on the support frame 5 and pin 25 on the Pressure bar 6 arranged. To limit the Adjustment movement of the pressure bar 6 via the piston rod 20, threaded bolts 26 are provided on the pressure bar Wear locknuts 27, the locknuts 27 in the in FIG. 1 is in the position shown on the support frame 5, and hereby the pivoting movement of the pressure bar 6 in Limit direction to the outer surface 16 of the cylinder 2. In the lower area of the spring bolt 8 there is one Female connector 9 attached, which extends over the length of the Profile rail 12 and thus over the length of the Cylinder surface 16 extends. The female connector 9 can as Steel band be formed and also serves as Storage for the profile rail 12. In the shown Execution of the profile rail 12 in the longitudinal direction on the Female connector 9 are pushed on, so that a light Replacing the profile rail 12 is made possible.

BezugszeichenlisteReference list

11
ReinigungseinrichtungCleaning facility
22nd
DruckzylinderImpression cylinder
33rd
GummituchzylinderBlanket cylinder
44th
Halterungbracket
55
TragrahmenSupport frame
66
AndrückleistePressure bar
77
SchwenkzapfenTrunnion
88th
FederbolzenSpring bolt
99
FederleisteFemale connector
1010th
FührungskörperGuide body
1111
DruckfederCompression spring
1212th
ProfilschieneProfile rail
1313
ReinigungstuchCleaning cloth
1414
Muttermother
1515
SchwenkhebelSwivel lever
1616
MantelflächeLateral surface
1717th
KurvenrolleCam roller
1818th
KurvensegmentCurve segment
1919th
PneumatikzylinderPneumatic cylinder
2020th
KolbenstangePiston rod
2121
Rollerole
2222
RollenzapfenRoller pin
2323
ZugfederTension spring
2424th
ZapfenCones
2525th
ZapfenCones
2626
GewindebolzenThreaded bolt
2727
StellmutterAdjusting nut

Claims (3)

  1. Cleaning device provided on a rotary printing machine for cleaning the outer cylindrical surfaces of cylinders, said cleaning device comprising a pressure bar for pressing a cleaning cloth against a respective outer cylindrical surface, actuating means for engaging the pressure bar, and an elastic profile rail guiding the cleaning cloth and pressing it against the outer cylindrical surface over the entire cylinder width,
    characterized in
    that pneumatic cylinders (19) are provided as the actuating means,
    that the contact pressure is exerted on profile rail (12) via spring elements (8, 11), which are supported on the pressure bar (6), and
    that between said spring elements (8, 11) and said profile rail (12) a spring bar (9) is provided in view of a uniform force transmission.
  2. Cleaning device according to Claim 1,
    characterized in
    that the spring elements are designed as compression springs (11) and are adjustable via adjusting nuts (14).
  3. Cleaning device according to Claim 1,
    characterized in
    that the spring bar (9) is fastened to said spring bolts (8) and designed as a steel band, and that the profile rail (12) is supported on said steel band (9) so as to be exchangeable.
EP97103055A 1996-03-21 1997-02-26 Cleaning device on rotary printing machines Expired - Lifetime EP0796736B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19611125 1996-03-21
DE19611125A DE19611125C2 (en) 1996-03-21 1996-03-21 Cleaning device on rotary printing machines

Publications (3)

Publication Number Publication Date
EP0796736A2 EP0796736A2 (en) 1997-09-24
EP0796736A3 EP0796736A3 (en) 1997-10-01
EP0796736B1 true EP0796736B1 (en) 2001-05-09

Family

ID=7788959

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97103055A Expired - Lifetime EP0796736B1 (en) 1996-03-21 1997-02-26 Cleaning device on rotary printing machines

Country Status (6)

Country Link
US (1) US5878669A (en)
EP (1) EP0796736B1 (en)
JP (1) JP3982867B2 (en)
CN (1) CN1111478C (en)
DE (2) DE19611125C2 (en)
HK (1) HK1003172A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010023367B4 (en) 2009-06-29 2018-09-27 Heidelberger Druckmaschinen Ag Pressing element for pressing a cleaning cloth to a cylinder of a printing press

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000348068A (en) 1999-06-02 2000-12-15 Fujitsu Ltd Design support device, device evaluating device and program recording medium
DE10127442A1 (en) * 2001-06-07 2002-12-12 Baldwin Germany Gmbh Printing press cylinder cleaning device
DE102006007571B4 (en) * 2006-02-18 2008-08-21 Technotrans Ag Device for cleaning surfaces of printing cylinders using a cleaning cloth
EP2236305B1 (en) * 2007-10-10 2012-12-12 Teac Corporation Cleaning unit and printer
JP5093933B2 (en) * 2008-04-21 2012-12-12 日本ボールドウィン株式会社 Cylinder cleaning device
DE102008044042B4 (en) 2008-11-25 2010-10-28 Koenig & Bauer Aktiengesellschaft cleaning device
DE102022117830A1 (en) 2021-09-17 2023-03-23 Heidelberger Druckmaschinen Aktiengesellschaft cleaning device
DE102022127930A1 (en) 2022-10-21 2024-05-02 Koenig & Bauer Ag Actuator for setting an active element to be set in an application unit, removal device with such an actuator and application unit with a removal device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2585617A (en) * 1946-04-05 1952-02-12 Hoe & Co R Intaglio printing machine
US4270450A (en) * 1979-09-10 1981-06-02 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Arrangement for washing cylinders on printing presses
EP0466203B1 (en) * 1986-08-02 1994-06-01 Dai Nippon Insatsu Kabushiki Kaisha Cleaning system for a printing press
EP0364901B1 (en) * 1988-10-19 1994-04-27 Dai Nippon Insatsu Kabushiki Kaisha Cleaning system for offset sheet-fed printing presses
US5271326A (en) * 1990-03-05 1993-12-21 Komori Corporation Cylinder cleaning mechanism for a printing press
JPH0750203Y2 (en) * 1991-12-18 1995-11-15 ニッカ株式会社 Engaging device for printing cylinder cleaning unit
US5450792A (en) * 1992-10-02 1995-09-19 Baldwin Graphic Systems, Inc. Automatic cleaning system for press rollers and cylinders
IT1264177B1 (en) * 1993-07-27 1996-09-23 Elettra Srl PRESSER FOR CLEANING THE RUBBER-COATED CYLINDER OF PRINTING MACHINES.
CN2209591Y (en) * 1994-09-20 1995-10-11 苏武雄 Cleaninging device for plate cylinder of printing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010023367B4 (en) 2009-06-29 2018-09-27 Heidelberger Druckmaschinen Ag Pressing element for pressing a cleaning cloth to a cylinder of a printing press

Also Published As

Publication number Publication date
JP3982867B2 (en) 2007-09-26
EP0796736A2 (en) 1997-09-24
EP0796736A3 (en) 1997-10-01
US5878669A (en) 1999-03-09
DE19611125C2 (en) 1999-09-02
DE59703489D1 (en) 2001-06-13
JPH10762A (en) 1998-01-06
CN1111478C (en) 2003-06-18
DE19611125A1 (en) 1997-09-25
HK1003172A1 (en) 1998-10-16
CN1165087A (en) 1997-11-19

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