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EP0066114A1 - Distributor roller drive in the inking devices of rotary offset printing machines - Google Patents

Distributor roller drive in the inking devices of rotary offset printing machines Download PDF

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Publication number
EP0066114A1
EP0066114A1 EP82103981A EP82103981A EP0066114A1 EP 0066114 A1 EP0066114 A1 EP 0066114A1 EP 82103981 A EP82103981 A EP 82103981A EP 82103981 A EP82103981 A EP 82103981A EP 0066114 A1 EP0066114 A1 EP 0066114A1
Authority
EP
European Patent Office
Prior art keywords
drive
inking unit
distributor
roller drive
inking
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Withdrawn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
EP82103981A
Other languages
German (de)
French (fr)
Inventor
Rudi Junghans
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 EP0066114A1 publication Critical patent/EP0066114A1/en
Withdrawn legal-status Critical Current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
    • B41F31/00—Inking arrangements or devices
    • B41F31/15—Devices for moving vibrator-rollers

Definitions

  • the invention relates to a distributor roller drive on the inking unit of offset rotary printing presses with a series arrangement of the printing units, in which two blanket cylinders cooperate and two plate cylinders are provided, each of which is supplied by an inking unit, with several inking rollers moving laterally to and fro in each inking unit and the drives for the back and forth movement are each via an eccentric drive and push rods.
  • the object of the invention is to provide a distributor roller drive on the inking unit of offset rotary printing presses which is simple and therefore inexpensive in its structure and in its use.
  • the object is achieved with the features of the characterizing part of claim 1.
  • the advantage of the embodiment of the distributor roller drive according to the invention is that only one eccentric drive is required for both inking units per printing unit. This eliminates the otherwise required gear parts and their storage. Furthermore, the roller stroke of all distribution rollers in both inking units can be adjusted centrally on an eccentric drive, so that the adjustment work on the machine is made considerably easier. It is also only necessary at one point for each printing unit to disengage a drive spur gear and thus stop the reciprocating movement of the entire distribution roller drive in both inking units.
  • the subclaims contain advantageous refinements of the subject matter of the invention and, with simple means, enable a high level of operational safety and reliability of the distributor roller drive, the staggered arrangement of the control lever to the connecting rod also causing the drive forces for the lateral back and forth movement to be shifted in time, so that the entire machine drive is relieved becomes.
  • the printing unit of an offset rotary printing machine shown in Fig. 1 consists of the two rubber cylinders 1 and 2, of which the paper web 3 is printed on both sides.
  • the plate cylinders 4 and 5 work together with the rubber cylinders, each of which is assigned an inking unit 6 and 7.
  • the dampening systems also present are not shown for the sake of clarity.
  • Each inking unit consists of a plurality of inking rollers 8 and distribution rollers 9 and 10.
  • Each distribution roller carries out a back and forth movement in the axial direction, the stroke length of which can be set differently.
  • rocker arms 11, 12 are used, which are supported on the machine side frame 15 by means of journals 13 and 14.
  • the rocker arms 11, 12 are moved via control levers 16, 17 and an eccentric drive 18 and thus the friction rollers are moved back and forth.
  • the drive for the back and forth movement of the distributor rollers of the upper inking unit 6 is coupled to the drive of the lower inking unit 7 via additional control levers 19, 20 and a connecting rod 21.
  • the control lever 16 is offset from the connecting rod by about 900, so that the driving forces for the lateral rubbing of the upper and lower inking units act out of phase and thus relieve the drive.
  • Fig. 2 shows that the connecting rod 21 is adjustable in its length via thread 22 and coupled to the control levers 19, 20 via spherical plain bearings 23 is.
  • the control lever 20 is also rotatably mounted on the pin 24 of a bearing body 25, which in turn is attached to the machine side frame 15.
  • the eccentric drive 18 has a drive wheel 26 which is driven by the machine via a disengageable intermediate wheel 27.
  • a slot 28 is provided in an eccentrically offset manner, in which a bolt 29 is slidably provided and can be clamped via a nut 30. With this, the stroke of the rubbing rollers can be adjusted in a simple manner by more or less large eccentricity of the bolt 29.
  • the drive wheel 26 is also mounted on the machine side frame 15 via a wheel journal 31 and a bearing body 32.

Landscapes

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

Abstract

The distributor roller drive has a series arrangement of the printing units, in which two blanket cylinders (1, 2) interact and in each case two plate cylinders (4, 5) and associated inking devices (6, 7) are provided, the distributor rollers (9, 10) being driven via rocker arms (11, 12) and having one common eccentric drive (18) per printing unit. <IMAGE>

Description

Die Erfindung bezieht sich auf einen Verreibwalzenantrieb am Farbwerk von Offset-Rotationsdruckmaschinen mit Reihenanordnung der Druckwerke, bei denen zwei Gummizylinder zusammenwirken und zwei Plattenzylinder vorgesehen sind, die jeweils von einem Farbwerk versorgt werden, wobei in jedem Farbwerk mehrere seitlich hin- und herbewegte Verreibwalzen vorgesehen sind und die Antriebe für die Hin- und Herbewegung über jeweils ein Exzentertrieb und Schubstangen erfolgt.The invention relates to a distributor roller drive on the inking unit of offset rotary printing presses with a series arrangement of the printing units, in which two blanket cylinders cooperate and two plate cylinders are provided, each of which is supplied by an inking unit, with several inking rollers moving laterally to and fro in each inking unit and the drives for the back and forth movement are each via an eccentric drive and push rods.

Bei derartigen Verreibwalzenantrieben besteht das Problem, die im Farbwerk verteilten Verreibwalzen seitlich hin- und herzubewegen, ohne für jede Reibwalze einen eigenen Antrieb vorsehen zu müssen. Bei einer bekannten Ausführung (US-PS 1 741 414) werden zum seitlichen Hin- und Herbewegen der Verreibwalzen Schubstangen verwendet, die ihren Antrieb über einen Exzentertrieb erhalten, der wiederum von einem aufwendigen Antrieb mit Schneckenrädern, Längswellen, einem Elektromotor usw. angetrieben wird. Berücksichtigt man, daß ein derart aufwendiger Antrieb pro Farbwerk einmal vorgesehen ist, so stellt dies einen erheblichen Kostenfaktor dar. Auch müssen die Antriebe gewartet werden und der Drucker muß beim Stillsetzen der seitlichen Verreibung, z.B. bei fünf Druckwerken, zehn Einzelantriebe stillsetzen.With such distribution roller drives, there is the problem of moving the distribution rollers distributed in the inking unit back and forth without having to provide a separate drive for each distribution roller. In a known embodiment (US-PS 1 741 414) push rods are used for the lateral back and forth movement of the distribution rollers, which are driven by an eccentric drive, which in turn is driven by a complex drive with worm wheels, longitudinal shafts, an electric motor etc. If one takes into account that such a complex drive is provided once per inking unit, this represents a considerable cost factor. The drives must also be serviced and the printer must be stopped when the lateral rubbing, e.g. With five printing units, shut down ten individual drives.

Die Aufgabe der Erfindung ist es, einen Verreibwalzenantrieb am Farbwerk von Offset-Rotationsdruckmaschinen zu schaffen, der in seinem Aufbau und in seiner Verwendung einfach und damit kostengünstig ist.The object of the invention is to provide a distributor roller drive on the inking unit of offset rotary printing presses which is simple and therefore inexpensive in its structure and in its use.

Die Aufgabe wird mit den Merkmalen des Kennzeichens des Anspruchs 1 gelöst. Der Vorteil der erfindungsgemäßen Ausführung des Verreibwalzenantriebs besteht darin, daß pro Druckwerk nur noch ein Exzenterantrieb für beide Farbwerke benötigt wird. Hiermit entfallen die sonst erforderlichen Getriebeteile und deren Lagerung. Weiterhin läßt sich der Walzenhub aller Verreibwalzen in beiden Farbwerken zentral an einem Exzenterantrieb einstellen, so daß die Einstellarbeit an der Maschine wesentlich erleichtert wird. Auch ist es pro Druckwerk nur noch an einer Stelle nötig, ein Antriebsstirnrad auszurücken und somit die Hin- und Herbewegung des gesamten Verreibwalzenantriebs in beiden Farbwerken stillzusetzen.The object is achieved with the features of the characterizing part of claim 1. The advantage of the embodiment of the distributor roller drive according to the invention is that only one eccentric drive is required for both inking units per printing unit. This eliminates the otherwise required gear parts and their storage. Furthermore, the roller stroke of all distribution rollers in both inking units can be adjusted centrally on an eccentric drive, so that the adjustment work on the machine is made considerably easier. It is also only necessary at one point for each printing unit to disengage a drive spur gear and thus stop the reciprocating movement of the entire distribution roller drive in both inking units.

Die Unteransprüche beinhalten vorteilhafte Ausgestaltungen des Erfindungsgegenstandes und ermöglichen mit einfachen .Mitteln eine hohe Betriebssicherheit und Zuverlässigkeit des Verreibwalzenantriebs, wobei durch die versetzte Anordnung des Steuerhebels zur Verbindungsstange auch die Antriebskräfte für die seitliche Hin- und Herbewegung zeitlich versetzt wirken, so daß der ganze Maschinenantrieb entlastet wird.The subclaims contain advantageous refinements of the subject matter of the invention and, with simple means, enable a high level of operational safety and reliability of the distributor roller drive, the staggered arrangement of the control lever to the connecting rod also causing the drive forces for the lateral back and forth movement to be shifted in time, so that the entire machine drive is relieved becomes.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen schematisch dargestellt. Es zeigt:

  • Fig. 1 eine Seitenansicht eines Druckwerkes mit zwei Farbwerken
  • Fig. 2 einen Querschnitt durch den Verreibwalzenantrieb.
An embodiment of the invention is shown schematically in the drawings. It shows:
  • Fig. 1 is a side view of a printing unit with two inking units
  • Fig. 2 shows a cross section through the distribution roller drive.

Das in Fig. 1 gezeigte Druckwerk einer Offset-Rotationsdruckmaschine besteht aus den beiden Gummizylindern 1 und 2, von denen die Papierbahn 3 beiderseits bedruckt wird. Mit den Gummizylindern arbeiten die Plattenzylinder 4 und 5 zusammen, denen jeweils ein Farbwerk 6 und 7 zugeordnet ist. Die ebenfalls vorhandenen Feuchtwerke sind der Übersichtlichkeit wegen nicht dargestellt. Jedes Farbwerk besteht aus einer Vielzahl Farbwalzen 8 und Verreibwalzen 9 und 10. Jede Verreibwalze führt in axialer Richtung eine Hin-und Herbewegung aus, deren Hublänge unterschiedlich eingstellt werden kann. Als Antrieb für die Hin- und Herbewegung der Reibwalzen werden Kipphebel 11,12 benutzt, die über Lagerzapfen 13 und Lager 14 am Maschinenseitengestell 15 gelagert sind. Über Steuerhebel 16,17 und einen Exzentertrieb 18 werden die Kipphebel 11,12 bewegt und damit die Reibwalzen in Hin-und Herbewegung versetzt.The printing unit of an offset rotary printing machine shown in Fig. 1 consists of the two rubber cylinders 1 and 2, of which the paper web 3 is printed on both sides. The plate cylinders 4 and 5 work together with the rubber cylinders, each of which is assigned an inking unit 6 and 7. The dampening systems also present are not shown for the sake of clarity. Each inking unit consists of a plurality of inking rollers 8 and distribution rollers 9 and 10. Each distribution roller carries out a back and forth movement in the axial direction, the stroke length of which can be set differently. As a drive for the reciprocating movement of the friction rollers, rocker arms 11, 12 are used, which are supported on the machine side frame 15 by means of journals 13 and 14. The rocker arms 11, 12 are moved via control levers 16, 17 and an eccentric drive 18 and thus the friction rollers are moved back and forth.

Über zusätzliche Steuerhebel 19,20 und eine Verbindungsstange 21 ist der Antrieb für die Hin- und Herbewegung der Verreibwalzen des oberen Farbwerks 6 mit dem Antrieb des unteren Farbwerks 7 gekoppelt. Hierbei ist der Steuerhebel 16 gegenüber der Verbindungsstange um etwa 900 versetzt, so daß die Antriebskräfte für die seitliche Verreibung des oberen und des unteren Farbwerks phasenverschoben angreifen und damit den Antrieb entlasten.The drive for the back and forth movement of the distributor rollers of the upper inking unit 6 is coupled to the drive of the lower inking unit 7 via additional control levers 19, 20 and a connecting rod 21. Here, the control lever 16 is offset from the connecting rod by about 900, so that the driving forces for the lateral rubbing of the upper and lower inking units act out of phase and thus relieve the drive.

Fig. 2 zeigt, daß die Verbindungsstange 21 über Gewinde 22 in ihrer Länge einstellbar ist und mit den Steuerhebeln 19,20 über Gelenklager 23 gekoppelt ist. Auch der Steuerhebel 20 ist drehbar auf dem Zapfen 24 eines Lagerkörpers 25 gelagert, der wiederum am Maschinenseitengestell 15 befestigt ist.Fig. 2 shows that the connecting rod 21 is adjustable in its length via thread 22 and coupled to the control levers 19, 20 via spherical plain bearings 23 is. The control lever 20 is also rotatably mounted on the pin 24 of a bearing body 25, which in turn is attached to the machine side frame 15.

Der Exzentertrieb 18 weist ein Antriebsrad 26 auf, das von der Maschine über ein ausrückbares Zwischenrad 27 angetrieben wird. In dem Antriebsrad 26 ist exzentrisch versetzt ein Schlitz 28 vorgesehen, in dem ein Bolzen 29 verschiebbar und über eine Mutter 30 festklemmbar vorgesehen ist. Hiermit läßt sich der Hub der Vereibwalzen durch mehr oder weniger große Exzentrizität des Bolzens 29 auf einfache Weise einstellen. Das Antriebsrad 26 ist über einen Radzapfen 31 und einen Lagerkörper 32 ebenfalls am Maschinenseitengestell 15 gelagert.The eccentric drive 18 has a drive wheel 26 which is driven by the machine via a disengageable intermediate wheel 27. In the drive wheel 26, a slot 28 is provided in an eccentrically offset manner, in which a bolt 29 is slidably provided and can be clamped via a nut 30. With this, the stroke of the rubbing rollers can be adjusted in a simple manner by more or less large eccentricity of the bolt 29. The drive wheel 26 is also mounted on the machine side frame 15 via a wheel journal 31 and a bearing body 32.

TEILELISTEPARTS LIST

  • 1 Gummizylinder1 rubber cylinder
  • 2 Gummizylinder2 rubber cylinders
  • 3 Papierbahn3 paper web
  • 4 Plattenzylinder4 plate cylinders
  • 5 Plattenzylinder5 plate cylinders
  • 6 Farbwerk6 inking unit
  • 7 Farbwerk7 inking unit
  • 8 Farbwalzen8 ink rollers
  • 9 Verreibwalzen9 distribution rollers
  • 10 Verreibwalzen10 distribution rollers
  • 11 Kipphebel11 rocker arms
  • 12 Kipphebel12 rocker arms
  • 13 Lagerzapfen13 journals
  • 14 Lager14 bearings
  • 15 Maschinenseitengestell15 machine side frame
  • 16 Steuerhebel16 control levers
  • 17 Steuerhebel17 control levers
  • 18 Exzentertrieb18 eccentric drive
  • 19 Steuerhebel19 control levers
  • 20 Steuerhebel20 control levers
  • 21 Verbindungsstange21 connecting rod
  • 22 Gewinde22 threads
  • 23 Gelenklager23 spherical bearings
  • 24 Zapfen24 cones
  • 25 Lagerkörper25 bearing body
  • 26 Antriebsrad26 drive wheel
  • 27 Zwischenrad27 idler gear
  • 28 Schlitz28 slot
  • 29 Bolzen29 bolts
  • 30 Mutter30 mother
  • 31 Radzapfen31 wheel journals
  • 32 Lagerkörper32 bearing body

Claims (4)

1. Verreibwalzenantrieb am Farbwerk von Offset-Rotationsdruckmaschinen mit Reihenanordnung der Druckwerke, bei denen zwei Gummizylinder zusammenwirken und zwei Plattenzylinder vorgesehen sind, die jeweils von einem eigenen Farbwerk versorgt werden, wobei in jedem Farbwerk mehrere seitlich hin- und herbewegte Verreibwalzen vorgesehen sind und die Antriebe für die Hin- und Herbewegung über Exzentertrieb und Schubstangen erfolgt, dadurch gekennzeichnet,
daß der Antrieb für die Hin- und Herbewegung der Verreibwalzen (9,10) des einen Farbwerkes (6) mittels einer Verbindungsstange (21) mit dem Antrieb des anderen Farbwerkes (7) gekoppelt ist, derart, daß die Hin-und Herbewegung der Verreibwalzen (9,10) von beiden Farbwerken über einen gemeinsamen Exzentertrieb (18) erfolgt.1.Distribution roller drive on the inking unit of offset rotary printing presses with a row arrangement of the printing units, in which two blanket cylinders cooperate and two plate cylinders are provided, each of which is supplied by its own inking unit, with each inking unit having a plurality of laterally reciprocating distributor rollers and the drives for the back and forth movement via eccentric drive and push rods, characterized in that
that the drive for the back and forth movement of the distributor rollers (9, 10) of the one inking unit (6) is coupled to the drive of the other ink unit (7) by means of a connecting rod (21), such that the back and forth movement of the distributor rollers (9,10) from both inking units via a common eccentric drive (18). 2. Verreibwalzenantrieb nach Anspruch 1,
dadurch gekennzeichnet,
daß der Exzentertrieb (18) des einen Farbwerkes (6) einen zusätzlichen Steuerhebel (19) trägt, der mit einer Verbindungsstange (21) gekoppelt ist, die an ihrem anderen Ende mit einem Steuerhebel (20) des anderen Farb- . werkes (7) gekoppelt ist.2. Distributor roller drive according to claim 1,
characterized,
that the eccentric drive (18) of an inking unit (6) carries an additional control lever (19) which is coupled to a connecting rod (21) which at its other end with a control lever (20) of the other color. works (7) is coupled. 3. Verreibwalzenantrieb nach Anspruch 1,
dadurch gekennzeichnet,
daß der Steuerhebel (16) des oberen Farbwerkes (6) zur Entlastung des Antriebes um etwa 90 gegenüber der Verbindungsstange (21) versetzt ist.3. distributor roller drive according to claim 1,
characterized,
that the control lever (16) of the upper inking unit (6) is offset by approximately 90 relative to the connecting rod (21) to relieve the drive. 4. Verreibwalzenantrieb nach Anspruch 1 und 2,
dadurch gekennzeichnet,
daß die Steuerhebel (19,20) über Gelenklager (23) mit der Verbindungsstange (21) gekoppelt sind.4. distributor roller drive according to claim 1 and 2,
characterized,
that the control levers (19, 20) are coupled to the connecting rod (21) via spherical bearings (23).
EP82103981A 1981-06-03 1982-05-07 Distributor roller drive in the inking devices of rotary offset printing machines Withdrawn EP0066114A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813121962 DE3121962A1 (en) 1981-06-03 1981-06-03 GRINDING ROLLER DRIVE AT THE INK OF OFFSET ROTATION PRINTING MACHINES
DE3121962 1981-06-03

Publications (1)

Publication Number Publication Date
EP0066114A1 true EP0066114A1 (en) 1982-12-08

Family

ID=6133785

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82103981A Withdrawn EP0066114A1 (en) 1981-06-03 1982-05-07 Distributor roller drive in the inking devices of rotary offset printing machines

Country Status (5)

Country Link
EP (1) EP0066114A1 (en)
JP (1) JPS57210861A (en)
DE (1) DE3121962A1 (en)
DK (1) DK246182A (en)
ES (1) ES8304487A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3502863A1 (en) * 1985-01-29 1986-07-31 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach CHANGING DRIVE FOR THE FRICTION ROLLERS OF AT LEAST ONE INK OF A PRINTING UNIT OF AN OFFSET ROTATION PRINTING MACHINE
EP0598677A1 (en) * 1992-10-05 1994-05-25 Maschinenfabrik Wifag Installation for avoiding vibrations in printing machines

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015453B (en) * 1956-02-25 1957-09-12 Buchdruckmaschinenwerk Leipzig Device for lateral movement of the distribution rollers of an inking unit on printing machines
US3118373A (en) * 1964-01-21 mosemiller

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US626871A (en) * 1899-06-13 Inking apparatus for printing-presses
US1741414A (en) * 1927-12-15 1929-12-31 Hoe & Co R Inking mechanism for printing machines
GB337923A (en) * 1929-10-05 1930-11-13 Hoe & Co R Improvements in inking mechanisms for rotary printing machines
US3994222A (en) * 1976-04-30 1976-11-30 Rockwell International Corporation Ink roller vibrator mechanism
DD132253A1 (en) * 1977-03-11 1978-09-13 Heinz Skiera COLOR FACTORY DRIVE

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118373A (en) * 1964-01-21 mosemiller
DE1015453B (en) * 1956-02-25 1957-09-12 Buchdruckmaschinenwerk Leipzig Device for lateral movement of the distribution rollers of an inking unit on printing machines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3502863A1 (en) * 1985-01-29 1986-07-31 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach CHANGING DRIVE FOR THE FRICTION ROLLERS OF AT LEAST ONE INK OF A PRINTING UNIT OF AN OFFSET ROTATION PRINTING MACHINE
EP0189827A3 (en) * 1985-01-29 1988-07-27 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Drive for the reciprocating motion of the distributors of at least one inking unit of a printing unit of a rotary offset press
EP0598677A1 (en) * 1992-10-05 1994-05-25 Maschinenfabrik Wifag Installation for avoiding vibrations in printing machines

Also Published As

Publication number Publication date
JPS57210861A (en) 1982-12-24
ES512701A0 (en) 1983-03-01
DE3121962A1 (en) 1982-12-23
DK246182A (en) 1982-12-04
ES8304487A1 (en) 1983-03-01

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