EP0407923A2 - Drive for the ductor roller in an inking- or damping device of an offset printing press - Google Patents

Drive for the ductor roller in an inking- or damping device of an offset printing press Download PDF

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Publication number
EP0407923A2
EP0407923A2 EP90113002A EP90113002A EP0407923A2 EP 0407923 A2 EP0407923 A2 EP 0407923A2 EP 90113002 A EP90113002 A EP 90113002A EP 90113002 A EP90113002 A EP 90113002A EP 0407923 A2 EP0407923 A2 EP 0407923A2
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EP
European Patent Office
Prior art keywords
gear
roller
drive
loose
driven
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
EP90113002A
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German (de)
French (fr)
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EP0407923B1 (en
EP0407923A3 (en
Inventor
Paul Abendroth
Herbert Rebel
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
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Filing date
Publication date
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT90113002T priority Critical patent/ATE93186T1/en
Publication of EP0407923A2 publication Critical patent/EP0407923A2/en
Publication of EP0407923A3 publication Critical patent/EP0407923A3/en
Application granted granted Critical
Publication of EP0407923B1 publication Critical patent/EP0407923B1/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
    • B41F31/00—Inking arrangements or devices
    • B41F31/15—Devices for moving vibrator-rollers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/38—Means for axially reciprocating inking rollers

Definitions

  • the invention relates to a drive for the rotating and laterally reciprocating friction roller according to the preamble of the claim.
  • the drive has a loose gearwheel which mediates the lateral back and forth movement of the distribution roller with two teeth less than a gearwheel which mediates the circumferential movement of the distribution roller and which is firmly connected to a bearing arm of the distribution roller.
  • the loose gear is connected to a groove curve in a sleeve, which is rigidly connected to the bearing arm, by a bolt located in the hub of the loose gear with a roller.
  • the loose gear With the accelerated circular driving of the bolt with roller in the groove curve, the loose gear is exposed to vibrations coming from the machine, e.g. the drive wheel train from the printing unit cylinders and / or the friction drive of the rollers and cylinders with the torsional vibrations and / or disturbing vibrations initiated by the channel of the plate cylinder when starting up and running down from a possibly provided drive of the application rollers with circumferential slip (DELTA).
  • the loose gearwheel is exposed to vibrations which arise from the derivation of the cyclical oscillating movement of the friction roller from a rotational movement of the groove curve with the roller which is accelerated in a circular manner and which is rigidly connected to the hub of the loose gearwheel via the bolt.
  • the loose gear is low-mass, so that its moment of inertia is not sufficient to dampen the overlapping vibrations.
  • the object of the invention is to improve the drive of the type specified in the introduction in such a way that a clean printed image can be achieved which is in particular free of toothed strips.
  • the advantage of the invention is that the movement of the loose gear with pin and roller is derived from the gear imparting the circumferential movement of the friction roller. This dampens possible vibrations of the friction roller, with the interposition of the moment of inertia of the entire dampening unit drive, as a result of which toothed strips affecting the print quality on the printed sheet could be avoided.
  • the dampening unit consists of an applicator roller 2, a distributor roller 3, an intermediate roller 26 and a ductor roller 27.
  • the applicator roller 2 is in contact with a plate cylinder 1 of a printing machine (not shown) and the distributor roller 3.
  • the application roller 2 is driven by a gear 12 from the friction roller 3 by a gear 11.
  • the application roller 2 is driven in a form-locking manner synchronously or asynchronously with the plate cylinder 1, i.e. through a rigid drive connection with the friction roller 3.
  • the application roller 2 is mounted in bearing levers 25 which are pivotally mounted about the axis of the friction roller 3.
  • the stationary roller 3 is also in contact with the duct roller 27.
  • the duct roller 27 is immersed in a liquid container and transmits through contact with the metering roller 26 a thin film of damp liquid.
  • the ductor roller 27 is also mounted in a stationary manner and is driven by a geared motor 28 which is adjustable in speed.
  • the intermediate roller 26 can be pivoted in a similar manner to the application roller 2, in bearing levers not shown in the drawing, about an axis fixed to the frame. The setting of the rollers with respect to one another and their starting and stopping are known and are therefore not explained in detail.
  • the friction roller 3 is positively driven by a driving gear 7 which is driven by a gear 6 attached to the plate cylinder 1 directly or via intermediate gears 6, 6 ', 6'.
  • the translation is chosen so that the friction roller 3 rotates at the peripheral speed of the plate cylinder 1.
  • the gear ratio for driving the applicator roller 2 from the friction roller 3 can be selected equal to 1 so that no slippage occurs between rollers 2 and 3, but it can also be selected such that slippage occurs between rollers 2 and 3, i.e. these rollers run asynchronously.
  • a hollow driving bearing leg 15 of the friction roller 3 is connected by means of a screw 13 through a cone to the drive pin of the friction roller 3 so that the friction roller 3 with its bearing and the drive elements can be removed from the machine.
  • the conical bearing legs 15 are guided in bearing bushes 5.
  • the friction roller is received in a known manner between the bearing legs 15.
  • the bearing leg 15 is connected to the gear 8, which mediates the circumferential movement of the friction roller 3, axially displaceably via a multi-spline profile 14 and is subjected to a radial rotary movement.
  • a loose gear 9 which mediates the lateral back and forth movement of the friction roller 3 is connected to a groove curve 17 in a sleeve 16 via a bolt 19 and a roller 18.
  • the sleeve 16 in turn is rigidly ver by discs with the bearing leg 15 bound.
  • the circumferential movement of the loose (second) gear 9 which mediates the lateral back and forth movement of the friction roller 3 is produced via a gear 10 which, apart from the loose gear 9, meshes only with the first gear 8 which mediates the circumferential movement of the friction roller 3, the circumferential movement of which is generated by a gear 6 ⁇ of the positive rotary drive of the machine via a gear 7 that, in addition to the gear 6 ⁇ , meshes only with the first gear 8 mediating the circumferential movement of the friction roller 3.
  • the lateral drive of the friction roller 3 thus no longer takes place in parallel with the rotary drive of the friction roller 3 but in series, the rotary drive of the friction roller 3 being derived from the cylinder drive via gear wheels 6, 7, while the circumferential movement of the loose mediating the lateral reciprocating movement (Second) gear 9 is derived from the first gear 8 attached to the bearing leg 15 of the friction roller 3.
  • tooth flank changes can be made Possibly tooth air with different provision of the rollers 1 to 3, further possibly different peripheral speeds and peripheral slip as well as excitations through the cylinder channel of the plate cylinder 1 can be prevented, so that toothed strips impairing the print quality do not occur on the printed sheet due to vibrations resulting from the drive.
  • the loose gear 9 rotating on the hub of the fixed gear 8 rests on an axial support 20, while the fixed first gear 8 is axially supported on the bearing bush.
  • the two gears 7 and 10 are rotatably received on bearing pins 21 and 22, which are mounted in the frame wall 4 of the printing press.
  • the gears 7 and 10 are axially secured by adjusting rings 23 and 24, respectively.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Handling Of Cut Paper (AREA)
  • Pipe Accessories (AREA)
  • Replacement Of Web Rolls (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

A drive for rotating and reciprocating a distributing roller in inking or damping units of offset printing presses includes two gears rotating at different speeds from one another, only the first rotation-transmitting gear of the two gears is driven by a gear connected to the plate cylinder and the second lateral reciprocation-transmitting gear is driven by the first gear by way of an intermediate gear meshing with both gears.

Description

Die Erfindung betrifft einen Antrieb für die umlaufende und seitlich hin- und hergehende Reibwalze nach dem Oberbegriff des Patentanspruches.The invention relates to a drive for the rotating and laterally reciprocating friction roller according to the preamble of the claim.

Am Mantel einer Reibwalze in Farb- oder Feuchtwerken überlagern sich drei Antriebe. Einmal der zwangsläufige Antrieb der Reibwalze durch ein Getriebe, speziell Zahnradgetriebe, über welches die Drehbewegung erfolgt, zweitens der zwangsläufige Antrieb zum seit­lichen Hin- und Herbewegen der Reibwalze und schließlich der Friktionsantrieb durch den Anpreßdruck, mit dem die Reibwalze mit anliegenden Walzen zusammenwirkt.Three drives overlap on the jacket of a distribution roller in inking or dampening units. Firstly, the inevitable drive of the friction roller by means of a gear, especially a gear mechanism, via which the rotary movement takes place, secondly, the inevitable drive for the lateral back and forth movement of the friction roller and finally the friction drive by means of the contact pressure with which the friction roller interacts with adjacent rollers.

Beim Antrieb der eingangs spezifizierten Gattung, der prinzipiell aus der DD-PS 41 474 bekannt ist, überlagern sich die genannten drei Antriebe. Hierzu weist der Antrieb ein die seitliche Hin- und Herbewegung der Reibwalze vermittelndes loses Zahnrad mit zwei Zähnen weniger auf als ein die umlaufende Bewegung der Reibwalze vermittelndes Zahnrad, welches fest mit einem Lagerschenkel der Reibwalze verbunden ist. Das lose Zahnrad ist mit einer Nutkurve in einer Muffe, die mit dem Lagerschenkel starr verbunden ist, durch einen in der Nabe des losen Zahnrades sitzenden Bolzen mit Rolle verbunden. Beim Umlauf des zwei Zähne weniger aufweisenden losen Zahnrades wird der in dessen Nabe sitzende Bolzen mit Rolle kreisförmig in der Nutkurve beschleunigt mitgenommen. Dabei wird die Muffe mit dem Lagerschenkel und somit die Reibwalze um den Weg der Kurvensteigung der Nutkurve im Verhältnis der Zähnezahl des losen Zahnrades und des die umlaufende Bewegung vermittelnden Zahnrades einmal hin- und herbewegt.When driving the type specified above, which is known in principle from DD-PS 41 474, the three drives mentioned overlap. For this purpose, the drive has a loose gearwheel which mediates the lateral back and forth movement of the distribution roller with two teeth less than a gearwheel which mediates the circumferential movement of the distribution roller and which is firmly connected to a bearing arm of the distribution roller. The loose gear is connected to a groove curve in a sleeve, which is rigidly connected to the bearing arm, by a bolt located in the hub of the loose gear with a roller. When the loose gearwheel, which has two teeth less, rotates, the bolt with roller in its hub is accelerated in a circular manner in the groove curve. The sleeve with the bearing leg and thus the friction roller around the path of the curve slope of the groove curve in relation to the number of teeth of the loose gear and the gear imparting the rotating motion back and forth once.

Bei der beschleunigten kreisförmigen Mitnahme des Bolzens mit Rolle in der Nutkurve ist einerseits das lose Zahnrad Schwingungen ausgesetzt, die aus der Maschine kommen, z.B. dem Antriebsräderzug von den Druckwerkszylinder und/oder dem Friktionsantrieb der Walzen und Zylinder mit den vom Kanal des Plattenzylinders beim An- und Ablaufen an den Auftragwalzen eingeleiteten Drehschwin­gungen und/oder Störschwingungen aus einem evtl. vorgesehenen Antrieb der Auftragswalzen mit Umfangsschlupf (DELTA). Anderer­seits ist das lose Zahnrad Schwingungen ausgesetzt, die aus der Ableitung der zyklischen Changierbewegung der Reibwalze aus einer Rotationsbewegung der Nutkurve mit der darin beschleunigt kreis­förmig mitgenommenen Rolle entstehen, welche über den Bolzen starr mit der Nabe des losen Zahnrades verbunden ist.With the accelerated circular driving of the bolt with roller in the groove curve, the loose gear is exposed to vibrations coming from the machine, e.g. the drive wheel train from the printing unit cylinders and / or the friction drive of the rollers and cylinders with the torsional vibrations and / or disturbing vibrations initiated by the channel of the plate cylinder when starting up and running down from a possibly provided drive of the application rollers with circumferential slip (DELTA). On the other hand, the loose gearwheel is exposed to vibrations which arise from the derivation of the cyclical oscillating movement of the friction roller from a rotational movement of the groove curve with the roller which is accelerated in a circular manner and which is rigidly connected to the hub of the loose gearwheel via the bolt.

Das lose Zahnrad ist massearm ausgeführt, so daß sein Trägheits­moment nicht ausreicht, um die sich überlagernden Schwingungen zu dämpfen.The loose gear is low-mass, so that its moment of inertia is not sufficient to dampen the overlapping vibrations.

Wegen der starren Antriebsverbindung des losen Zahnrades mit einem Zahnrad des Antriebsräderzuges von den Druckwerkszylindern pflan­zen sich dessen Schwingungen ungedämpft bis zu den Druckzylindern fort.Because of the rigid drive connection of the loose gearwheel to a gearwheel of the drive gear train from the printing unit cylinders, its vibrations propagate undamped to the printing cylinders.

Diese Art des Antriebes birgt die Gefahr der Bildung sogenannter Zahnstreifen auf dem Druckträger, welche durch Zahnflankenspiel hervorgerufen werden können.This type of drive harbors the risk of the formation of so-called toothed strips on the pressure carrier, which can be caused by backlash.

Aufgabe der Erfindung ist es, den Antrieb der eingangs spezifi­zierten Gattung so zu verbessern, daß ein sauberes Druckbild erzielbar ist, das insbesondere frei von Zahnstreifen ist.The object of the invention is to improve the drive of the type specified in the introduction in such a way that a clean printed image can be achieved which is in particular free of toothed strips.

Gelöst wird diese Aufgabe durch die Merkmale des Kennzeichens des Patentanspruches.This object is achieved by the features of the characterizing part of the claim.

Der Vorteil der Erfindung besteht darin, daß die Bewegung des losen Zahnrades mit Bolzen und Rolle von dem die umlaufende Be­wegung der Reibwalze vermittelnden Zahnrad abgeleitet ist. Dadurch werden mögliche Schwingungen der Reibwalze, unter Zwischen­schaltung des Trägheitsmomentes des gesamten Feuchtwerkantriebes gedämpft, wodurch die Druckqualität beeinträchtigende Zahnstreifen auf dem Druckbogen vermieden werden konnten.The advantage of the invention is that the movement of the loose gear with pin and roller is derived from the gear imparting the circumferential movement of the friction roller. This dampens possible vibrations of the friction roller, with the interposition of the moment of inertia of the entire dampening unit drive, as a result of which toothed strips affecting the print quality on the printed sheet could be avoided.

Anhand einer Zeichnung wird die Erfindung nachfolgend an einem Ausführungsbeispiel kurz erläutert.The invention is briefly explained below using an exemplary embodiment with reference to a drawing.

Es zeigt:

  • Fig. 1 einen Schnitt eines Feuchtwerkes mit An­trieb, der Reibwalze, teilweise schematisch,
  • Fi. 2 die Seitenansicht des Feuchtwerkes nach Fig. 1.
It shows:
  • 1 shows a section of a dampening unit with drive, the friction roller, partially schematically,
  • Fi. 2 shows the side view of the dampening unit according to FIG. 1.

Das Feuchtwerk besteht aus einer Auftragwalze 2, einer Reibwalze 3, einer Zwischenwalze 26 und einer Duktorwalze 27. Die Auftrag­walze 2 steht mit einem Plattenzylinder 1 einer nicht dargestell­ten Druckmaschine und der Reibwalze 3 in Kontakt. Die Auftragwalze 2 wird durch ein Zahnrad 12 von der Reibwalze 3 her durch ein Zahnrad 11 angetrieben. Je nach gewähltem Übersetzungsverhältnis erfolgt somit der Antrieb der Auftragwalze 2 synchron oder asynchron zum Plattenzylinder 1 formschlüssig, d.h. durch eine starre Antriebsverbindung mit der Reibwalze 3.The dampening unit consists of an applicator roller 2, a distributor roller 3, an intermediate roller 26 and a ductor roller 27. The applicator roller 2 is in contact with a plate cylinder 1 of a printing machine (not shown) and the distributor roller 3. The application roller 2 is driven by a gear 12 from the friction roller 3 by a gear 11. Depending on the selected transmission ratio, the application roller 2 is driven in a form-locking manner synchronously or asynchronously with the plate cylinder 1, i.e. through a rigid drive connection with the friction roller 3.

Die Auftragwalze 2 ist in Lagerhebeln 25 gelagert, die um die Achse der Reibwalze 3 schwenkbar gelagert sind.The application roller 2 is mounted in bearing levers 25 which are pivotally mounted about the axis of the friction roller 3.

Die ortsfest gelagerte Reibwalze 3 steht ferner in Kontakt mit der Duktorwalze 27. Die Duktorwalze 27 taucht in einen Flüssigkeitsbe­hälter ein und überträgt durch Kontakt mit der Dosierwalze 26 einen dünnen Feuchtflüssigkeitsfilm. Die Duktorwalze 27 ist eben­falls ortsfest gelagert und wird von einem in der Drehzahl regel­baren Getriebemotor 28 angetrieben. Die Zwischenwalze 26 ist in ähnlicher Weise wie die Auftragwalze 2 , in in der Zeichnung nicht dargestellten Lagerhebeln um eine gestellfeste Achse schwenkbar. Die Einstellung der Walzen zueinander bzw. deren An- und Abstellung sind bekannt und werden deshalb nicht näher erläutert.The stationary roller 3 is also in contact with the duct roller 27. The duct roller 27 is immersed in a liquid container and transmits through contact with the metering roller 26 a thin film of damp liquid. The ductor roller 27 is also mounted in a stationary manner and is driven by a geared motor 28 which is adjustable in speed. The intermediate roller 26 can be pivoted in a similar manner to the application roller 2, in bearing levers not shown in the drawing, about an axis fixed to the frame. The setting of the rollers with respect to one another and their starting and stopping are known and are therefore not explained in detail.

Die Reibwalze 3 wird formschlüssig von einem treibenden Zahnrad 7 angetrieben, das von einem am Plattenzylinder 1 befestigten Zahnrad 6 unmittelbar oder über Zwischenzahnräder 6, 6′, 6˝ ange­trieben ist. Die Übersetzung ist dabei so gewählt, daß die Reib­walze 3 mit der Umfangsgeschwindigkeit des Plattenzylinders 1 sich dreht. Die Zahnradübersetzung zum Antrieb der Auftragwalze 2 von der Reibwalze 3 her kann gleich 1 gewählt werden, so daß kein Schlupf zwischen den Walzen 2 und 3 auftritt, sie kann aber auch so gewählt werden, daß Schlupf zwischen den Walzen 2 und 3 auftritt, d.h. diese Walzen asynchron laufen.The friction roller 3 is positively driven by a driving gear 7 which is driven by a gear 6 attached to the plate cylinder 1 directly or via intermediate gears 6, 6 ', 6'. The translation is chosen so that the friction roller 3 rotates at the peripheral speed of the plate cylinder 1. The gear ratio for driving the applicator roller 2 from the friction roller 3 can be selected equal to 1 so that no slippage occurs between rollers 2 and 3, but it can also be selected such that slippage occurs between rollers 2 and 3, i.e. these rollers run asynchronously.

Ein hohler treibender Lagerschenkel 15 der Reibwalze 3 ist mittels einer Schraube 13 durch einen Konus mit dem Antriebszapfen der Reibwalze 3 so verbunden, daß die Reibwalze 3 mit ihrer Lagerung und den Antriebselementen aus der Maschine herausnehmbar ist.A hollow driving bearing leg 15 of the friction roller 3 is connected by means of a screw 13 through a cone to the drive pin of the friction roller 3 so that the friction roller 3 with its bearing and the drive elements can be removed from the machine.

Die konisch ausgebildeten Lagerschenkel 15 sind in Lagerbuchsen 5 geführt. Zwischen den Lagerschenkeln 15 ist die Reibwalze in bekannter Weise aufgenommen. Der Lagerschenkel 15 ist mit dem Zahnrad 8, welches die umlaufende Bewegung der Reibwalze 3 vermittelt, über ein Vielkeilprofil 14 axial verschiebbar ver­bunden und einer radialen Drehbewegung unterworfen.The conical bearing legs 15 are guided in bearing bushes 5. The friction roller is received in a known manner between the bearing legs 15. The bearing leg 15 is connected to the gear 8, which mediates the circumferential movement of the friction roller 3, axially displaceably via a multi-spline profile 14 and is subjected to a radial rotary movement.

Ein loses, die seitliche Hin- und Herbewegung der Reibwalze 3 vermittelndes Zahnrad 9 ist mit einer Nutkurve 17 in einer Muffe 16 über einen Bolzen 19 und eine Rolle 18 verbunden. Die Muffe 16 wiederum ist durch Scheiben mit dem Lagerschenkel 15 starr ver­ bunden.A loose gear 9 which mediates the lateral back and forth movement of the friction roller 3 is connected to a groove curve 17 in a sleeve 16 via a bolt 19 and a roller 18. The sleeve 16 in turn is rigidly ver by discs with the bearing leg 15 bound.

Erfindungsgemäß wird die umlaufende Bewegung des die seitliche Hin- und Herbewegung der Reibwalze 3 vermittelnden losen (zweiten) Zahnrades 9 über ein Zahnrad 10 erzeugt, welches außer mit dem losen Zahnrad 9 nur mit dem die umlaufende Bewegung der Reibwalze 3 vermittelnden ersten Zahnrad 8 kämmt, wobei dessen umlaufende Bewegung von einem Zahnrad 6˝ des formschlüssigen Drehantriebes der Maschine her über ein Zahnrad 7 erzeugt ist, daß außer mit dem Zahnrad 6˝ nur mit dem die umlaufende Bewegung der Reibwalze 3 vermittelnden ersten Zahnrad 8 kämmt.According to the invention, the circumferential movement of the loose (second) gear 9 which mediates the lateral back and forth movement of the friction roller 3 is produced via a gear 10 which, apart from the loose gear 9, meshes only with the first gear 8 which mediates the circumferential movement of the friction roller 3, the circumferential movement of which is generated by a gear 6˝ of the positive rotary drive of the machine via a gear 7 that, in addition to the gear 6˝, meshes only with the first gear 8 mediating the circumferential movement of the friction roller 3.

Somit greifen das lose, die seitliche Hin- und Herbewegung der Reibwalze 3 vermittelnde Zahnrad 9 und das auf dem Lagerschenkel 15 der Reibwalze 3 befestigte erste Zahnrad 8 in das Zahnrad 10. Das mit dem Lagerschenkel 15 der Reibwalze 3 fest verbundende erste Zahnrad 8 überträgt seine Drehbewegung über das gemeinsame Zahnrad 10 auf das zwei Zähne weniger aufweisende lose Zahnrad 9. Durch dessen wegen Zwischenschaltung des Trägheitsmomentes des Feuchtwerkes stabileren Umlauf wird der in der Nabe des losen Zahnrades 9 sitzende Bolzen stabilisiert und schwingungsgedämpft kreisförmig in der Nutkurve 17 der Muffe 16 beschleunigt mitge­nommen. Derart wird die Muffe 16 mit dem Lagerschenkel 15 um den Weg der Kurvensteigung der Nutkurve 17 im Verhältnis der Zähnezahl und Umdrehungen des auf dem Lagerschenkel 15 der Reibwalze 3 befestigten ersten Zahnrades 8 schwingungsgedämpft einmal hin- und herbewegt.Thus, the loose, the lateral reciprocating movement of the friction roller 3 mediating gear 9 and the first gear 8 fastened on the bearing leg 15 of the friction roller 3 engage in the gear 10. The first gear 8, which is firmly connected to the bearing leg 15 of the friction roller 3, transmits its Rotary motion via the common gear 10 to the loose gear 9, which has two teeth less. Due to its more stable rotation due to the interposition of the moment of inertia of the dampening unit, the bolt seated in the hub of the loose gear 9 is stabilized and accelerated in a circularly damped manner in the groove curve 17 of the sleeve 16, along with vibration . In this way, the sleeve 16 with the bearing leg 15 is moved back and forth once in a vibration-damped manner by the path of the slope of the groove curve 17 in relation to the number of teeth and revolutions of the first gear wheel 8 fastened on the bearing leg 15 of the friction roller 3.

Der seitliche Antrieb der Reibwalze 3 erfolgt somit nicht mehr parallel mit dem Drehantrieb der Reibwalze 3 sondern in Reihe, wobei der Drehantrieb der Reibwalze 3 vom Zylinderantrieb über Zahnräder 6, 7 abgeleitet ist, wahrend die umlaufende Bewegung des die seitliche Hin- und Herbewegung vermittelnden losen (zweiten) Zahnrades 9 vom auf den Lagerschenkel 15 der Reibwalze 3 befestig­ten ersten Zahnrad 8 abgeleitet ist. Bei einem derartigen Kraft­fluß im Antrieb der Reibwalze 3 kann Zahnflankenwechsel trotz evt. Zahnluft bei unterschiedlichen Beistellungen der Walzen 1 bis 3, ferner evt. unterschiedlicher Umfangsgeschwindigkeiten und Umfangsschlupf sowie Anregungen durch den Zylinderkanal des Plattenzylinders 1 verhindert werden, so daß die Druckqualität beeinträchtigende Zahnstreifen auf dem Druckbogen infolge vom Antrieb herrührender Vibrationen nicht auftreten.The lateral drive of the friction roller 3 thus no longer takes place in parallel with the rotary drive of the friction roller 3 but in series, the rotary drive of the friction roller 3 being derived from the cylinder drive via gear wheels 6, 7, while the circumferential movement of the loose mediating the lateral reciprocating movement (Second) gear 9 is derived from the first gear 8 attached to the bearing leg 15 of the friction roller 3. With such a power flow in the drive of the friction roller 3, tooth flank changes can be made Possibly tooth air with different provision of the rollers 1 to 3, further possibly different peripheral speeds and peripheral slip as well as excitations through the cylinder channel of the plate cylinder 1 can be prevented, so that toothed strips impairing the print quality do not occur on the printed sheet due to vibrations resulting from the drive.

Der Vollständigkeithalber sei noch erwähnt, daß das auf der Nabe des festen Zahnrades 8 umlaufende lose Zahnrad 9 an einer axialen Abstützung 20 anliegt, während das feste erste Zahnrad 8 an der Lagerbuchse axial abgestützt ist. Ferner sind die beiden Zahnräder 7 und 10 drehbar auf Lagerbolzen 21 bzw. 22 aufgenommen, die in der Gestellwand 4 der Druckmaschine gelagert sind. Axial gesichert werden dabei die Zahnräder 7 und 10 durch Stellringe 23 bzw. 24.For the sake of completeness, it should also be mentioned that the loose gear 9 rotating on the hub of the fixed gear 8 rests on an axial support 20, while the fixed first gear 8 is axially supported on the bearing bush. Furthermore, the two gears 7 and 10 are rotatably received on bearing pins 21 and 22, which are mounted in the frame wall 4 of the printing press. The gears 7 and 10 are axially secured by adjusting rings 23 and 24, respectively.

BezugszeichenlisteReference symbol list

  • 1 Plattenzylinder1 plate cylinder
  • 2 Auftragwalze2 applicator roller
  • 3 Reibwalze3 distribution roller
  • 4 Gestellwand4 frame wall
  • 5 Lagerbuchse5 bearing bush
  • 6 Zahnrad6 gear
  • 7 Zahnrad7 gear
  • 8 erste Zahnrad8 first gear
  • 9 loses (zweites) Zahnrad9 loose (second) gear
  • 10 Zahnrad10 gear
  • 11 Zahnrad11 gear
  • 12 Zahnrad12 gear
  • 13 Schraube13 screw
  • 14 Vielkeilprofil14 Multi-spline profile
  • 15 Lagerschenkel15 bearing legs
  • 16 Muffe16 sleeve
  • 17 Nutkurve17 groove curve
  • 18 Rolle18 roll
  • 19 Bolzen19 bolts
  • 20 Abstützung20 support
  • 21 Lagerbolzen21 bearing bolts
  • 22 Lagerbolzen22 bearing bolts
  • 23 Stellring23 collar
  • 24 Stellring24 collar
  • 25 Hebel25 levers
  • 26 Zwischenwalze26 intermediate roller
  • 27 Duktorwalze27 duct roller
  • 28 Getriebemotor28 gear motor

Claims (2)

1.) Antrieb für die umlaufende und hin- und hergehende Bewegung Seiner Reibwalze in Farb- oder Feuchtwerken von Offset-Druck­maschinen mittels zweier verschieden schnell umlaufender Zahnräder, von denen das erste Zahnrad die umlaufende Bewegung und ein loses (zweites) Zahnrad, das auf der Nabe des ersten Zahnrades drehbar gelagert ist, die seitliche Hin- und Herbe­wegung der Reibwalze vermittelt, wobei das erste Zahnrad in starrer Antriebsverbindung mit einer Kurvennut und das lose (zweite) Zahnrad in starrer Antriebsverbindung mit einem in der Kurvennut beschleunigt kreisförmig mitgenommenen Bolzen mit Rolle steht, und beide Zahnräder über mindestens ein Zahnrad von dem mit dem Plattenzylinder verbundenen Zahnrad her angetrieben sind,
dadurch gekennzeichnet,
daß nur das erste Zahnrad (8) der zwei verschieden schnell umlaufenden Zahnräder (8, 9) von einem mit dem Plattenzylinder (1) verbundene Zahnrad (6) her angetrieben ist und daß das lose (zweite) Zahnrad (9) vom ersten Zahnrad (8) angetrieben ist.1.) Drive for the rotating and back and forth movement of its friction roller in inking or dampening units of offset printing machines by means of two differently rotating gears, of which the first gear the rotating movement and a loose (second) gear that on the Hub of the first gear is rotatably mounted, which mediates the lateral back and forth movement of the friction roller, the first gear being in a rigid drive connection with a cam groove and the loose (second) gear in a rigid drive connection with a bolt with roller accelerated in the cam groove in a circular manner , and both gear wheels are driven by at least one gear wheel from the gear wheel connected to the plate cylinder,
characterized by
that only the first gear (8) of the two differently rotating gears (8, 9) is driven by a gear (6) connected to the plate cylinder (1) and that the loose (second) gear (9) is driven by the first gear ( 8) is driven. 2.) Antrieb nach Anspruch 1,
dadurch gekennzeichnet,
daß das lose (zweite) Zahnrad (9) vom ersten Zahnrad (8) über ein Zahnrad (10) angetrieben ist, welches mit beiden Zahn­rädern (8, 9) kämmt.2.) Drive according to claim 1,
characterized by
that the loose (second) gear (9) is driven by the first gear (8) via a gear (10) which meshes with both gears (8, 9).
EP90113002A 1989-07-14 1990-07-07 Drive for the ductor roller in an inking- or damping device of an offset printing press Expired - Lifetime EP0407923B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90113002T ATE93186T1 (en) 1989-07-14 1990-07-07 DRIVE FOR THE ROTARY AND LATERAL ROLLER ROLLER IN INK OR DAMPING UNITS OF OFFSET PRINTING MACHINES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3923315A DE3923315A1 (en) 1989-07-14 1989-07-14 DRIVE FOR THE CIRCULATING AND SIDE-TO-FINGING FRICTION ROLLER IN INK OR DAMPING OF OFFSET PRINTING MACHINES
DE3923315 1989-07-14

Publications (3)

Publication Number Publication Date
EP0407923A2 true EP0407923A2 (en) 1991-01-16
EP0407923A3 EP0407923A3 (en) 1991-04-24
EP0407923B1 EP0407923B1 (en) 1993-08-18

Family

ID=6385036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90113002A Expired - Lifetime EP0407923B1 (en) 1989-07-14 1990-07-07 Drive for the ductor roller in an inking- or damping device of an offset printing press

Country Status (7)

Country Link
US (1) US5025723A (en)
EP (1) EP0407923B1 (en)
JP (1) JPH074935B2 (en)
AT (1) ATE93186T1 (en)
BR (1) BR9003377A (en)
DE (2) DE3923315A1 (en)
ES (1) ES2044330T3 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19840806C1 (en) * 1998-09-07 1999-11-11 Koenig & Bauer Ag Driven roller for rotary printing machine
JP2001353839A (en) * 2000-04-14 2001-12-25 Komori Corp Structure of roller in printing machine
JP4276010B2 (en) * 2003-07-24 2009-06-10 株式会社小森コーポレーション Driving device in printing press
US7722691B2 (en) 2005-09-30 2010-05-25 Saint-Gobain Abrasives, Inc. Abrasive tools having a permeable structure
US7708619B2 (en) 2006-05-23 2010-05-04 Saint-Gobain Abrasives, Inc. Method for grinding complex shapes
US8491681B2 (en) * 2007-09-24 2013-07-23 Saint-Gobain Abrasives, Inc. Abrasive products including active fillers
EP2364241A4 (en) * 2008-04-18 2013-12-11 Saint Gobain Abrasives Inc Hydrophilic and hydrophobic silane surface modification of abrasive grains
CN102725102A (en) * 2009-05-19 2012-10-10 圣戈班磨料磨具有限公司 Method and apparatus for roll grinding
KR200481103Y1 (en) * 2014-10-15 2016-08-12 안외선 Spaceship utility box kit
CN112339426A (en) * 2020-10-28 2021-02-09 广水市众诚机械有限公司 Ink station power system for curved surface offset press
FR3122465B1 (en) 2021-04-28 2023-07-07 Airbus Helicopters Assembly provided with a coupling system that can be disconnected having a mechanical fuse and a friction brake

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1329204A (en) * 1972-01-19 1973-09-05 Timsons Ltd Roller driving means
US4796530A (en) * 1987-06-01 1989-01-10 Pathfinder Graphic Associates Inc. Oscillating roll for printing presses

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD41474A (en) *
DE484650C (en) * 1929-10-21 Albert Schnellpressen Drive for the rotating and to and fro ink distribution cylinder by means of two gear wheels rotating at different speeds
DE41474C (en) * J. JERGER, 42 Fore Street, und R. Wm. STEPHENS, 34 Catharine Street, Beide in Devonport, England Timepiece with bell device
DE3034644C2 (en) * 1980-09-13 1982-10-07 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Inking unit with changing inking rollers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1329204A (en) * 1972-01-19 1973-09-05 Timsons Ltd Roller driving means
US4796530A (en) * 1987-06-01 1989-01-10 Pathfinder Graphic Associates Inc. Oscillating roll for printing presses

Also Published As

Publication number Publication date
JPH03114837A (en) 1991-05-16
DE3923315C2 (en) 1991-10-24
EP0407923B1 (en) 1993-08-18
ATE93186T1 (en) 1993-09-15
US5025723A (en) 1991-06-25
JPH074935B2 (en) 1995-01-25
ES2044330T3 (en) 1994-01-01
DE59002372D1 (en) 1993-09-23
DE3923315A1 (en) 1991-04-04
EP0407923A3 (en) 1991-04-24
BR9003377A (en) 1991-08-27

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