EP1151862B1 - Printing unit of a rotary web printing machine, preferably a web-fed rotary intaglio printing machine - Google Patents

Printing unit of a rotary web printing machine, preferably a web-fed rotary intaglio printing machine Download PDF

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Publication number
EP1151862B1
EP1151862B1 EP01104663A EP01104663A EP1151862B1 EP 1151862 B1 EP1151862 B1 EP 1151862B1 EP 01104663 A EP01104663 A EP 01104663A EP 01104663 A EP01104663 A EP 01104663A EP 1151862 B1 EP1151862 B1 EP 1151862B1
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EP
European Patent Office
Prior art keywords
printing
support
group according
pressure roller
printing group
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
EP01104663A
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German (de)
French (fr)
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EP1151862A2 (en
EP1151862A3 (en
Inventor
Droste Schröder Volker
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Windmoeller and Hoelscher KG
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Windmoeller and Hoelscher KG
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Publication of EP1151862A2 publication Critical patent/EP1151862A2/en
Publication of EP1151862A3 publication Critical patent/EP1151862A3/en
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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
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/06—Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders
    • B41F31/07—Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders for rotogravure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/20—Supports for bearings or supports for forme, offset, or impression cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/18—Auxiliary devices for exchanging forme cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/80—Means enabling or facilitating exchange of cylinders
    • B41P2213/804—Means enabling or facilitating exchange of cylinders radially

Definitions

  • the invention relates to a printing unit of a web-fed rotary printing press, preferably a gravure web-fed rotary printing press, with a pressure roller immersed in a paint trough whose shaft journals can be supported for changing the pressure roller to support devices, preferably support rollers.
  • the pressure roller of a printing unit or the pressure rollers of the printing units of a gravure web-fed rotary printing press must be removed and replaced by correspondingly changed pressure rollers for the subsequent print job.
  • the pressure roller After removal of the support roller, the pressure roller is supported only on two other support rollers.
  • the patent DD 123 910 shows a printing unit, wherein the pressure roller, which is positioned during printing in a receptacle, can be moved by means of horizontally displaceable support relative to the printing unit. After moving out of the pressure roller from the recording and the process of the roller to the edge of the printing unit, this can be removed.
  • the GB 708,272 shows a mounting rails comprehensive printing unit.
  • the carrier rails serve to introduce a paint tray into the printing unit.
  • levers and locking levers are provided, which serve to lift the ink tray and set in this position, so that the pressure roller can dive into the ink contained in the ink tray.
  • Object of the present invention is to provide a printing unit of the type specified, in which the exchange of the pressure roller and, if necessary, the replacement of the ink tray can be made easily and quickly.
  • each support means is arranged on a respective provided with a drive horizontally displaceable support over which the support means between the bearings of the pressure roller and an extended position are displaceable, in which a pressure roller lifting and inserting means is provided in that the ink tray is held on a tray carrier which can be raised and lowered in the printing machine frame, and in that the tray carrier can be coupled in its raised position to the horizontally displaceable carrier, so that it can be moved in and out together with the printing roller.
  • the pressure roller can thereby quickly and easily change that the exchanged pressure roller, which rests on the support means, as far as can be moved out of the printing unit by the horizontally movable support, that they are easily accessible and for the purpose of their exchange on a lifting Device can be discontinued, which can serve in a corresponding manner, the onset of the pressure roller to be replaced.
  • the ink tray is lowered to allow the platen to extend freely from the ink tray horizontally.
  • the invention provides that the ink tray is mounted on a raisable and lowerable in the printing machine frame tray support.
  • the Tub support in its raised position with the horizontally displaceable support can be coupled, so that it can be extended and retracted together with the pressure roller.
  • the pressure rollers lifting and starting means may consist of synchronously raised and lowered supports for the shaft journals. These can lift off and support the pressure roller from its support device, wherein the lifting of the pressure roller from the supports by the usual lifting and transport facilities, such as forklifts, can be done.
  • the guide rails and the drive for the supports are expediently arranged in a frame connected to the printing unit frame.
  • each two supports in two in the guide rails raised and lowered carriers the amount are arranged offset by height.
  • This embodiment of the invention makes it possible to take in a pair of supports the pressure roller to be replaced and ready in the other pair of pads the newly installed pressure roller, so that the exchange made swiftly and the replaced pressure roller can be removed while the other spent in its operating position is or has been spent.
  • the drive of the tub support may consist of a pinion-rack drive.
  • the tray support is mounted horizontally displaceable in a liftable and lowered in the printing machine frame guide means, so that over this, the ink tray can be moved out for the purpose of their exchange from the printing unit.
  • the carrier is provided with a provided with a groove or bore coupling rod into which engages in the raised position connected to the tub support pin or pin.
  • the liftable and lowerable carrier are provided under the support or the supports for the pressure rollers with a support or supports for the ink tray or ink pans.
  • the printing unit 1 has a printing unit frame, of which only the rear side frame 2 is visible, because the front of the sake of clarity is removed.
  • the pressure cylinder 3 is mounted via its shaft journal 4 in the usual way in the side frames 2 of the printing unit frame.
  • the pressure roller 3 is released from its bearings and is supported on the support rollers 5 in preparation for their replacement.
  • the support rollers 5 are rotatably supported via support shafts (not shown) in Stauerrollenlagerblökken 6, which are fixed on both sides of the pressure roller 3 on racks 7.
  • the racks 7 are guided in their rear region in frame-fixed guides or guide sleeves 8 and are based in its front region on the support rollers 9 mounted in the frame.
  • racks 7 a mounted in the machine frame pinion 10 is provided which meshes in the illustrated manner with the rack 7 and is driven for example via a toothed belt 11 by a drive, not shown.
  • the drive pinion 10 are mounted on a frame-fixed shaft 10a, so that they drive the two racks 7 synchronously.
  • a conventional doctor carrier 12 is supported, which carries the engageable with the pressure roller 3 in the usual way doctor blade 13.
  • lateral guides 15 of the printing unit frame racks 16 are guided vertically displaceable, which carry at their upper ends a frame 17 with lateral guides 18 for a horizontally displaceable in the guides 18 tray support 19.
  • lateral guides 15 of the printing unit frame racks 16 are guided vertically displaceable, which carry at their upper ends a frame 17 with lateral guides 18 for a horizontally displaceable in the guides 18 tray support 19.
  • On the tub support 19 rests the ink tray 20, which is supported on lateral tub feet 21 forming sheets on the tub support 19 and is supported on this in a manner not shown.
  • the racks 16 are provided with a drive, not shown, and a synchronizing shaft 22 which carries at its ends synchronizing and meshing with the racks 16 pinion 23.
  • the synchronizing shaft is mounted in a manner not shown in the printing unit frame.
  • the drawer-like retractable and retractable tub support 19 is connected in its side regions parallel to the tub feet 21 with web plates 25, which carry at right angles projecting pin 26.
  • the bolts 26 engage in the grooves of U-shaped profiles 27, which are connected via connecting bolts 28 with the inner sides of the racks 7, so that together with the racks 7 and the Tub support 19 and carried by this color tray 20 is moved.
  • the side parts or frame 31 are connected in a manner not shown rigidly with the side frames 2 of the printing unit frame.
  • the device 30 consists of two carriers 32, which are guided in a displaceable manner in the vertical direction via guide rails 33 in the side parts 31.
  • two spindles 34 mounted on the side parts 1 are provided, which engage in spindle nuts 35, which are connected to the carriers 32.
  • the gear 36 are connected by a synchronizing shaft 37 in the usual way with each other.
  • the carrier 32 is provided at a vertical distance from each other with two supports 40 for the shaft journals 4 of the pressure rollers 3 and below these with pads 41 for settling the tub feet 21.
  • the ink tray 20 itself is connected in a conventional manner with the tub feet 21, wherein the rear portion of the ink tray is supported on the tub feet 21 via an intermediate sheet 21 a.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Replacement Of Web Rolls (AREA)

Description

Die Erfindung betrifft ein Druckwerk einer Rollenrotationsdruckmaschine, vorzugsweise einer Tiefdruck-Rollenrotationsdruckmaschine, mit einer in eine Farbwanne eintauchenden Druckwalze, deren Wellenzapfen zum Wechseln der Druckwalze auf Stützeinrichtungen, vorzugsweise Stützrollen, abstützbar sind.The invention relates to a printing unit of a web-fed rotary printing press, preferably a gravure web-fed rotary printing press, with a pressure roller immersed in a paint trough whose shaft journals can be supported for changing the pressure roller to support devices, preferably support rollers.

Nach Beendigung eines Druckauftrags müssen die Druckwalze eines Druckwerks oder die Druckwalzen der Druckwerke einer Tiefdruck-Rollenrotationsdruckmaschine ausgebaut und für den nachfolgenden Druckauftrag durch entsprechend geänderte Druckwalzen ersetzt werden. Hierbei ist es ein Bestreben, die erforderlichen Umrüstarbeiten in möglichst kurzer Zeit auszuführen; um die unproduktiven Stillstandszeiten der Druckmaschine zu verkürzen. Zum Wechsel einer Druckwalze wird diese nach Lösen der deren Wellenzapfen lagernden Lager üblicherweise über Abschnitte ihrer Wellenzapfen auf Stützrollen abgestützt, von denen dann die Druckwalze beispielsweise über Hub- und Transporteinrichtungen entnommen und auf die dann eine ausgetauschte Druckwalze aufgesetzt wird, Aus der internationalen Veröffentlichung mit der Nummer WO 98/50235 , entspricht dem Dokument EP 0 980 312 A1 , ist ein Druckwerk der eingangs angegebenen Art bekannt, bei dem zum Wechseln der Druckwalze mindestens eine der deren Wellenzapfen abstützenden Stützrollen in eine zweite Stellung gebracht werden muss, wobei eine Stützrolle weggeschwenkt werden muss, bevor die Druckwalze entnommen werden kann.After completion of a print job, the pressure roller of a printing unit or the pressure rollers of the printing units of a gravure web-fed rotary printing press must be removed and replaced by correspondingly changed pressure rollers for the subsequent print job. Here it is an effort to carry out the required conversion work in the shortest possible time; to shorten the unproductive downtime of the press. To change a pressure roller, this is supported by loosening the shaft journal bearings usually over sections of their shaft journals on support rollers, of which then removed the pressure roller, for example, via lifting and transporting devices and then placed on an exchanged pressure roller, From the international publication with number WO 98/50235 , corresponds to the document EP 0 980 312 A1 , A printing unit of the type specified, in which for changing the pressure roller at least one of the shaft journals supporting support rollers must be brought into a second position, wherein a support roller must be swung away before the pressure roller can be removed.

Nach dem Entfernen der Stützrolle stützt sich die Druckwalze nur noch auf zwei anderen Stützrollen ab.After removal of the support roller, the pressure roller is supported only on two other support rollers.

Die Patentschrift DD 123 910 zeigt ein Druckwerk, bei dem die Druckwalze, die während des Druckens in einer Aufnahme positioniert ist, mittels horizontal verschieblicher Träger relativ zum Druckwerk verfahren werden kann. Nach dem Herausfahren der Druckwalze aus der Aufnahme und dem Verfahren der Walze an den Rand des Druckwerks kann diese entnommen werden.The patent DD 123 910 shows a printing unit, wherein the pressure roller, which is positioned during printing in a receptacle, can be moved by means of horizontally displaceable support relative to the printing unit. After moving out of the pressure roller from the recording and the process of the roller to the edge of the printing unit, this can be removed.

Die GB 708,272 zeigt ein Tragschienen umfassendes Druckwerk. Die Tragschienen dienen dazu, eine Farbwanne in das Druckwerk einzubringen. Weiterhin sind Hebel und Arretierhebel vorgesehen, die dazu dienen, die Farbwanne anzuheben und in dieser Position festzulegen, so dass die Druckwalze in die in der Farbwanne enthaltene Druckfarbe eintauchen kann.The GB 708,272 shows a mounting rails comprehensive printing unit. The carrier rails serve to introduce a paint tray into the printing unit. Furthermore, levers and locking levers are provided, which serve to lift the ink tray and set in this position, so that the pressure roller can dive into the ink contained in the ink tray.

Aufgabe der vorliegenden Erfindung ist es, ein Druckwerk der eingangs angegebenen Art zu schaffen, bei dem sich der Austausch der Druckwalze und, im Bedarfsfall, der Austausch der Farbwanne einfach und schnell vornehmen lässt.Object of the present invention is to provide a printing unit of the type specified, in which the exchange of the pressure roller and, if necessary, the replacement of the ink tray can be made easily and quickly.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, dass jede Stützeinrichtung auf je einem mit einem Antrieb versehenen horizontal verschieblichen Träger angeordnet ist, über die die Stützeinrichtungen zwischen den Lagern der Druckwalze und einer ausgefahrenen Stellung verschieblich sind, in der eine die Druckwalze aushebende und einsetzende Einrichtung vorgesehen ist, dass die Farbwanne auf einem in dem Druckmaschinengestell hebund absenkbaren Wannenträger gehaltert ist und dass der Wannenträger in seiner angehobenen Stellung mit dem horizontal verschieblichen Träger kuppelbar ist, so dass er zusammen mit der Druckwalze aus- und einfahrbar ist.According to the invention this object is achieved in that each support means is arranged on a respective provided with a drive horizontally displaceable support over which the support means between the bearings of the pressure roller and an extended position are displaceable, in which a pressure roller lifting and inserting means is provided in that the ink tray is held on a tray carrier which can be raised and lowered in the printing machine frame, and in that the tray carrier can be coupled in its raised position to the horizontally displaceable carrier, so that it can be moved in and out together with the printing roller.

Bei dem erfindungsgemäßen Druckwerk lässt sich die Druckwalze dadurch schnell und einfach wechseln, dass die auszutauschende Druckwalze, die auf den Stützeinrichtungen ruht, durch den horizontal verschieblichen Träger soweit aus dem Druckwerk herausgefahren werden kann, dass sie gut zugänglich und zum Zwecke ihres Austausches auf eine aushebende Einrichtung abgesetzt werden kann, die in entsprechender Weise auch dem Einsetzen der auszutauschenden Druckwalze dienen kann.In the printing unit according to the invention, the pressure roller can thereby quickly and easily change that the exchanged pressure roller, which rests on the support means, as far as can be moved out of the printing unit by the horizontally movable support, that they are easily accessible and for the purpose of their exchange on a lifting Device can be discontinued, which can serve in a corresponding manner, the onset of the pressure roller to be replaced.

Soll nur die Druckwalze und nicht auch die zugehörige Farbwanne ausgetauscht werden, wird die Farbwanne abgesenkt, um die Druckwalze ungehindert von der Farbwanne horizontal ausfahren zu können. Zu diesem Zweck ist erfindungsgemäß vorgesehen, dass die Farbwanne auf einem in dem Druckmaschinengestell heb- und absenkbaren Wannenträger gehaltert ist.If only the pressure roller and not the associated ink tray to be replaced, the ink tray is lowered to allow the platen to extend freely from the ink tray horizontally. For this purpose, the invention provides that the ink tray is mounted on a raisable and lowerable in the printing machine frame tray support.

Wenn es jedoch erforderlich ist, dass die Druckwalze und gleichzeitig auch deren Farbwanne ausgetauscht werden, um deren Formate aufeinander abzustimmen, ist erfindungsgemäß vorgesehen, dass der Wannenträger in seiner angehobenen Stellung mit dem horizontal verschieblichen Träger kuppelbar ist, so dass er zusammen mit der Druckwalze aus- und einfahrbar ist.However, if it is necessary that the pressure roller and at the same time their ink tray are exchanged to match their formats, it is provided according to the invention that the Tub support in its raised position with the horizontally displaceable support can be coupled, so that it can be extended and retracted together with the pressure roller.

Zweckmäßigerweise sind die horizontal verschieblichen Träger in Führungen verschlebliche Zahnstangen. Dabei können die Zahnstangen von einer Welle angetrieben sein, die die Zahnstangen antreibende Ritzel trägt.Appropriately, the horizontally displaceable carrier in guides verschlebenliche racks. The racks may be driven by a shaft which carries the racks driving pinions.

Die die Druckwalzen aushebende und einsetzende Einrichtung kann aus synchron heb- und absenkbaren Auflagern für die Wellenzapfen bestehen. Diese können die Druckwalze von ihrer Stützeinrichtung abheben und haltern, wobei das Ausheben der Druckwalze von den Auflagern durch die übliche Hub- und Transporteinrichtungen, beispielsweise Gabelstaplern, erfolgen kann.The pressure rollers lifting and starting means may consist of synchronously raised and lowered supports for the shaft journals. These can lift off and support the pressure roller from its support device, wherein the lifting of the pressure roller from the supports by the usual lifting and transport facilities, such as forklifts, can be done.

Die Führungsschienen und der Antrieb für die Auflager sind zweckmäßigerweise in einem mit dem Druckwerksgestell verbundenen Gestell angeordnet.The guide rails and the drive for the supports are expediently arranged in a frame connected to the printing unit frame.

Nach einer besonders bevorzugten Ausführungsform ist vorgesehen, dass in zwei in den Führungsschienen heb- und absenkbaren Trägern je zwei Auflager der Höhe nach versetzt angeordnet sind. Diese Ausgestaltung der Erfindung ermöglicht es, in einem Paar der Auflager die auszutauschende Druckwalze aufzunehmen und in dem anderen Paar der Auflagen die neu einzubauende Druckwalze bereitzuhalten, so dass der Austausch zügig vorgenommen und die ausgetauschte Druckwalze entnommen werden kann, während die andere in ihre Betriebsstellung verbracht wird oder verbracht worden ist.According to a particularly preferred embodiment, it is provided that in two in the guide rails raised and lowered carriers each two supports the amount are arranged offset by height. This embodiment of the invention makes it possible to take in a pair of supports the pressure roller to be replaced and ready in the other pair of pads the newly installed pressure roller, so that the exchange made swiftly and the replaced pressure roller can be removed while the other spent in its operating position is or has been spent.

Der Antrieb des Wannenträgers kann aus einem Ritzel-Zahnstangen-Trieb bestehen. Zweckmäßigerweise ist der Wannenträger in einer in dem Druckmaschinengestell heb- und absenkbaren Führungseinrichtung horizontal verschieblich gehaltert, so dass über diesen auch die Farbwanne zum Zwecke ihres Austausches aus dem Druckwerk herausgefahren werden kann.The drive of the tub support may consist of a pinion-rack drive. Conveniently, the tray support is mounted horizontally displaceable in a liftable and lowered in the printing machine frame guide means, so that over this, the ink tray can be moved out for the purpose of their exchange from the printing unit.

Zweckmäßigerweise ist der Träger mit einer mit einer Nut oder Bohrung versehenen Kupplungsstange versehen, in die in der angehobenen Stellung ein mit dem Wannenträger verbundener Bolzen oder Zapfen greift.Conveniently, the carrier is provided with a provided with a groove or bore coupling rod into which engages in the raised position connected to the tub support pin or pin.

Um auch die Farbwanne mit zugehöriger Druckwalze einfach und schnell austauschen zu können, ist nach einer bevorzugten Ausführungsform vorgesehen, daß die heb- und absenkbaren Träger unter dem Auflager oder den Auflagern für die Druckwalzen mit einer Auflage oder Auflagen für die Farbwanne oder Farbwannen versehen sind.In order to easily and quickly replace the ink tray with associated pressure roller is provided according to a preferred embodiment that the liftable and lowerable carrier are provided under the support or the supports for the pressure rollers with a support or supports for the ink tray or ink pans.

Ein Ausführungsbeispiel der Erfindung wird nachstehend anhand der Zeichnung näher beschrieben. In dieser zeigt

Fig. 1
eine Seitenansicht eines Druckwerks mit entferntem vorderen Seitengestell, bei dem die auszutauschende Druckwalze auf Stützrollen ruht, und mit einer die Druckwalze aushebenden und einsetzenden Einrichtung in schematischer Darstellung,
Fig. 2
eine Draufsicht auf die die Druckwalzen aushebende und einsetzende Einrichtung nach Fig. 1,
Fig. 3
eine Ansicht des Druckwerks in Richtung des Pfeils A in Fig. 1,
Fig. 4
eine der Fig. 1 entsprechende Darstellung, in der die Farbwanne abgesenkt und die auszutauschende Druckwalze auf den synchron heb- und absenkbaren Auflagern der die Druckwalze aushebenden und einsetzenden Einrichtung ruht, und
Fig. 5
eine der Fig. 1 entsprechende Darstellung, in der die auszutauschende Druckwalze mit zugehöriger Farbwanne von der die Druckwalzen aushebenden und einsetzenden Einrichtung aufgenommen ist.
An embodiment of the invention will be described below with reference to the drawing. In this shows
Fig. 1
a side view of a printing unit with removed front side frame in which the pressure roller to be replaced rests on support rollers, and with a pressure roller lifting and inserting device in a schematic representation,
Fig. 2
a top view of the pressure rollers lifting and inserting device of FIG. 1,
Fig. 3
a view of the printing unit in the direction of arrow A in Fig. 1,
Fig. 4
a representation corresponding to FIG. 1, in which the ink tray is lowered and the pressure roller to be replaced rests on the synchronously liftable and lowerable supports of the device which lifts and sets the pressure roller, and
Fig. 5
one corresponding to FIG. 1 representation in which the pressure roller to be replaced with associated ink pan is taken from the pressure rollers lifting and inserting device.

Das erfindungsgemäße Druckwerk 1 besitzt ein Druckwerksgestell, von dem nur das hintere Seitengestell 2 sichtbar ist, weil das vordere der besseren Übersichtlichkeit halber entfernt ist. In dem dargestellten Druckwerk 1 einer Tiefdruck-Rollenrotationsdruckmaschine ist der Druckzylinder 3 über seine Wellenzapfen 4 in üblicher Weise in den Seitengestellen 2 des Druckwerksgestells gelagert. In der aus den Fig. 1 und 3 ersichtlichen Stellung ist die Druckwalze 3 aus ihren Lagern gelöst und stützt sich zur Vorbereitung ihres Austausches auf den Stützrollen 5 ab. Die Stützrollen 5 sind über nicht dargestellte Wellenzapfen in Stützrollenlagerblökken 6 drehbar gelagert, die beidseits der Druckwalze 3 auf Zahnstangen 7 befestigt sind. Die Zahnstangen 7 sind in ihrem hinteren Bereich in gestellfesten Führungen bzw. Führungshülsen 8 geführt und stützen sich in ihrem vorderen Bereich auf im Gestell gelagerten Stützrollen 9 ab. Zum Antrieb der beidseits der Druckwalze 3 vorgesehenen Zahnstangen 7 ist ein im Maschinengestell gelagertes Ritzel 10 vorgesehen, das in der dargestellten Weise mit der Zahnstange 7 kämmt und beispielsweise über einen Zahnriemen 11 von einem nicht dargestellten Antrieb angetrieben ist. Die Antriebsritzel 10 sind auf einer gestellfesten Welle 10a gelagert, so daß sie die beiden Zahnstangen 7 synchron antreiben.The printing unit 1 according to the invention has a printing unit frame, of which only the rear side frame 2 is visible, because the front of the sake of clarity is removed. In the illustrated printing unit 1 of a gravure web-fed rotary printing press the pressure cylinder 3 is mounted via its shaft journal 4 in the usual way in the side frames 2 of the printing unit frame. In the position shown in FIGS. 1 and 3, the pressure roller 3 is released from its bearings and is supported on the support rollers 5 in preparation for their replacement. The support rollers 5 are rotatably supported via support shafts (not shown) in Stützrollenlagerblökken 6, which are fixed on both sides of the pressure roller 3 on racks 7. The racks 7 are guided in their rear region in frame-fixed guides or guide sleeves 8 and are based in its front region on the support rollers 9 mounted in the frame. For driving the provided on both sides of the pressure roller 3 racks 7 a mounted in the machine frame pinion 10 is provided which meshes in the illustrated manner with the rack 7 and is driven for example via a toothed belt 11 by a drive, not shown. The drive pinion 10 are mounted on a frame-fixed shaft 10a, so that they drive the two racks 7 synchronously.

Zwischen den Seitengestellen 2 des Druckwerksgestells ist ein üblicher Rakelträger 12 gehaltert, der das an die Druckwalze 3 in üblicher Weise anstellbare Rakelmesser 13 trägt.Between the side frames 2 of the printing unit frame, a conventional doctor carrier 12 is supported, which carries the engageable with the pressure roller 3 in the usual way doctor blade 13.

In seitlichen Führungen 15 des Druckwerksgestell sind Zahnstangen 16 vertikal verschieblich geführt, die an ihren oberen Enden einen Rahmen 17 mit seitlichen Führungen 18 für einen in den Führungen 18 horizontal verschieblichen Wannenträger 19 tragen. Auf dem Wannenträger 19 ruht die Farbwanne 20, die sich über seitliche Wannenfüße 21 bildende Bleche auf dem Wannenträger 19 abstützt und auf diesem in nicht dargestellter Weise gehaltert ist.In lateral guides 15 of the printing unit frame racks 16 are guided vertically displaceable, which carry at their upper ends a frame 17 with lateral guides 18 for a horizontally displaceable in the guides 18 tray support 19. On the tub support 19 rests the ink tray 20, which is supported on lateral tub feet 21 forming sheets on the tub support 19 and is supported on this in a manner not shown.

Die Zahnstangen 16 sind mit einem nicht dargestellten Antrieb und einer Gleichlaufwelle 22 versehen, die an ihren Enden synchronisierende und mit den Zahnstangen 16 kämmende Ritzel 23 trägt. Die Gleichlaufwelle ist in nicht dargestellter Weise in dem Druckwerksgestell gelagert.The racks 16 are provided with a drive, not shown, and a synchronizing shaft 22 which carries at its ends synchronizing and meshing with the racks 16 pinion 23. The synchronizing shaft is mounted in a manner not shown in the printing unit frame.

Der schubladenartig aus- und einfahrbare Wannenträger 19 ist in seinen Seitenbereichen parallel zu den Wannenfüßen 21 mit Stegblechen 25 verbunden, die rechtwinkelig auskragende Bolzen 26 tragen. In der aus den Fig. 1 und 3 ersichtlichen angehobenen Stellung greifen die Bolzen 26 in die Nuten von U-förmigen Profilen 27 ein, die über Verbindungsbolzen 28 mit den inneren Seiten der Zahnstangen 7 verbunden sind, so dass zusammen mit den Zahnstangen 7 auch der Wannenträger 19 und die von diesem getragene Farbwanne 20 verfahren wird.The drawer-like retractable and retractable tub support 19 is connected in its side regions parallel to the tub feet 21 with web plates 25, which carry at right angles projecting pin 26. In the manner shown in Figs. 1 and 3 raised position, the bolts 26 engage in the grooves of U-shaped profiles 27, which are connected via connecting bolts 28 with the inner sides of the racks 7, so that together with the racks 7 and the Tub support 19 and carried by this color tray 20 is moved.

Hinter dem Druckwerksgestell mit den Seitenteilen 2 ist die die Druckwalze 3 gegebenenfalls mit Farbwanne 20 aushebende und einsetzende Einrichtung 30 angeordnet, deren Seitenteile bzw. Gestell 31 in nicht dargestellter Weise starr mit den Seitengestellen 2 des Druckwerksgestells verbunden sind. Die Einrichtung 30 besteht aus zwei Trägern 32, die über Führungsschienen 33 in den Seitenteilen 31 in vertikaler Richtung verschieblich geführt sind. Zum Verfahren der Träger 32 sind zwei an den Seitenteilen 1 gelagerte Spindeln 34 vorgesehen, die in Spindelmuttern 35 greifen, die mit den Trägern 32 verbunden sind. Zum Antrieb der Spindeln 34 sind mit Antrieben versehene Getriebe vorgesehen, wobei die Getriebe 36 durch eine Gleichlaufwelle 37 in üblicher Weise miteinander verbunden sind.Behind the printing unit frame with the side parts 2, the pressure roller 3 optionally with ink tray 20 aushebende and incipient means 30 is arranged, the side parts or frame 31 are connected in a manner not shown rigidly with the side frames 2 of the printing unit frame. The device 30 consists of two carriers 32, which are guided in a displaceable manner in the vertical direction via guide rails 33 in the side parts 31. For moving the carriers 32, two spindles 34 mounted on the side parts 1 are provided, which engage in spindle nuts 35, which are connected to the carriers 32. To drive the spindles 34 provided with drives gear are provided, the gear 36 are connected by a synchronizing shaft 37 in the usual way with each other.

Der Träger 32 ist im vertikalen Abstand voneinander mit jeweils zwei Auflagern 40 für die Wellenzapfen 4 der Druckwalzen 3 und unterhalb von diesen mit Auflagen 41 zum Absetzen der Wannenfüße 21 versehen.The carrier 32 is provided at a vertical distance from each other with two supports 40 for the shaft journals 4 of the pressure rollers 3 and below these with pads 41 for settling the tub feet 21.

Die Farbwanne 20 selbst ist in üblicher Weise mit den Wannenfüßen 21 verbunden, wobei der hintere Bereich der Farbwanne über ein zwischengeschaltetes Blech 21 a auf den Wannenfüßen 21 abgestützt ist.The ink tray 20 itself is connected in a conventional manner with the tub feet 21, wherein the rear portion of the ink tray is supported on the tub feet 21 via an intermediate sheet 21 a.

Aus Fig. 4 ist die Situation ersichtlich, in der die Farbwanne 20, die auf dem Wannenträger 19 abgestützt und gehaltert ist, über die Zahnstangen 16 soweit abgesenkt ist, dass sich die Druckwalze 3 über die Zahnstangen 7 und die Stützrollen 5 ungehindert von der Farbwanne 20 abschieben und in den Bereich der die Druckwalze 3 aushebenden Einrichtung 30 verfahren lässt, in dem die Druckwalze von den Auflagern 40 von den Stützrollen 5 abgehoben wird, so daß sich die Zahnstangen 7 mit den Stützrollen 5 zurückfahren lassen. In der die Druckwalzen aushebenden und einsetzenden Einrichtung 30 wird bereits in den höheren Auflagern 40 die neue gegen die Druckwalze 3 auszutauschende Druckwalze 3' bereitgehalten, die nach dem Absenken der Träger 32 und dem erneuten Ausfahren der Stützrollen 5 durch die Zahnstangen 7 auf diese aufgesetzt werden kann. Es ist also möglich, die neue Druckwalze 3' ungehindert von der ausgetauschten Druckwalze 3 in ihre Betriebsstellung zu verbringen und die ausgetauschte Druckwalze 3 während der Einrichtung des Betriebes oder des erneut aufgenommenen Druckbetriebes zu entfernen.From Fig. 4, the situation can be seen in which the ink tray 20, which is supported and supported on the tray support 19 is lowered over the racks 16 so far that the pressure roller 3 on the racks 7 and the support rollers 5 unhindered by the ink tray Slide off 20 and into the area the printing roll 3 lifting device 30 can process, in which the pressure roller of the supports 40 is lifted off the support rollers 5 so that the racks 7 can be moved back with the support rollers 5. In the pressure rollers lifting and inserting device 30, the new against the pressure roller 3 to be exchanged pressure roller 3 'is already held in the higher supports 40, which are placed after lowering the carrier 32 and the renewed extension of the support rollers 5 through the racks 7 on this can. It is thus possible to spend the new pressure roller 3 'unhindered by the replaced pressure roller 3 in its operating position and to remove the replaced pressure roller 3 during the establishment of the operation or the resumed printing operation.

In der aus Fig. 5 ersichtlichen Stellung ist der Wannenträger 19 mit der auf diesem über die Wannenfüße 21 abgestützten Farbwanne 20 derart angehoben, daß die Bolzen 26 der Stegbleche 25 in die Nuten der U-förmigen Profile 27 greifen, so daß durch Ausfahren der Zahnstangen 7 die Druckwalze 3 zusammen mit der Farbwanne aus dem Druckmaschinengestell heraus in die Einrichtung 30 geschoben wird, in der sodann die Druckwalze 3 über ihre Wellenzapfen auf die Auflager 40 und die Wannenfüße auf die Auflagen 41 abgesetzt werden.In the apparent from Fig. 5 position of the tub support 19 is raised with the supported on the tub legs 21 ink pan 20 such that the bolts 26 of the web plates 25 engage in the grooves of the U-shaped profiles 27, so that by extending the racks 7, the pressure roller 3 is pushed together with the ink tray from the printing machine frame out into the device 30, in which then the pressure roller 3 are placed on the supports 40 and the tub feet on the supports 41 via their shaft journals.

Oberhalb der auszutauschenden Druckwalze 3 und der Farbwanne 20 wird bereits die neu einzusetzende Druckwalze 3' mit zugehöriger Farbwanne 20' bereitgehalten. Above the pressure roller 3 to be exchanged and the ink tray 20, the pressure roller 3 'to be newly inserted with associated ink tray 20' is already kept ready.

Claims (10)

  1. Printing group (1) of a rotary roller printing machine, preferably a rotogravure rotary roller printing machine, with a printing cylinder (3) that is dipped into a dye vat (20) and whose shaft journals (4) can be supported on support devices, preferably support rolls (5), for the purpose of exchanging printing cylinder (3),
    characterized in
    - that each support device (5) is arranged on one, each, horizontally movable beam (7) that is provided with a drive (10, 11) via which the support devices (5) can be moved between the bearings printing cylinder (3) and an extended closed out position, in which there is provided a device (30) that lifts and inserts printing cylinder (3),
    - that the dye vat (20) is held on a dye vat carrier (19) which can be lifted and lowered in the printing frame (2) and
    - that the dye vat carrier (19) can be coupled with the horizontally movable beam (7) in its lifted position so that it can be extended and retracted together with the printing cylinder (3).
  2. Printing group according to claim 1, characterized in that the beams are racks (7) that can be shifted in guides (8, 9).
  3. Printing group according to claim 2, characterized in that the racks (7) are driven by a shaft (10a) that bears a pinion gear (10).
  4. Printing group according to one of claims 1 to 3, characterized in that the device (30) that lifts and inserts the printing cylinder (3) consists of support bearings (40) that can be lifted and lowered in a synchronized manner for the shaft journals (4) of printing cylinder (3).
  5. Printing group according to claim 4, characterized in that guides (33) and the drive for the support bearings (40) are arranged in a frame (31) that is connected with the printing group frame (2).
  6. Printing group according to claim 5, characterized in that two, each, support bearings (40) are arranged in a manner offset according to height, within two carriers (32) that can be lifted and lowered in guides (33).
  7. Printing group according to one of the claims 1 to 6, characterized in that the drive of the vat carrier (19) consists of a pinion gear rack drive (16).
  8. Printing group according to one of the claims 1 to 7, characterized in that the vat carrier (19) is retained in a horizontally movable manner in a guide device (17, 18) that can be lifted and lowered with the printing machine frame (2).
  9. Printing group according to one of claims 1 to 8, characterized in that beam (7) is equipped with a clutch rod (27, 28) that is provided with a groove or borehole, in which engaged, in the raised position, a pin (25) or peg that is connected to the vat carrier (19).
  10. Printing group according to one of the claims 6 to 9, characterized in that the liftable and lowerable beam (32) under support beam (40) or support beams (40) for printing cylinders (3) is provided with a support bearing (41) or support bearings (41) for the dye vat or the dye vats (20).
EP01104663A 2000-05-03 2001-02-24 Printing unit of a rotary web printing machine, preferably a web-fed rotary intaglio printing machine Expired - Lifetime EP1151862B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10021398A DE10021398B4 (en) 2000-05-03 2000-05-03 Printing unit of a rotogravure web press
DE10021398 2000-05-03

Publications (3)

Publication Number Publication Date
EP1151862A2 EP1151862A2 (en) 2001-11-07
EP1151862A3 EP1151862A3 (en) 2003-09-03
EP1151862B1 true EP1151862B1 (en) 2007-12-05

Family

ID=7640561

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Application Number Title Priority Date Filing Date
EP01104663A Expired - Lifetime EP1151862B1 (en) 2000-05-03 2001-02-24 Printing unit of a rotary web printing machine, preferably a web-fed rotary intaglio printing machine

Country Status (4)

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US (1) US6543357B2 (en)
EP (1) EP1151862B1 (en)
DE (2) DE10021398B4 (en)
ES (1) ES2293939T3 (en)

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CN109252382B (en) * 2018-09-17 2020-12-15 嘉善龙翔人造毛绒有限公司 Integrated fur treatment device and treatment method
CN113459647B (en) * 2021-04-20 2023-12-22 利和纸品（嘉善）有限公司 Double-sided printing device for packaging cartons
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Also Published As

Publication number Publication date
EP1151862A2 (en) 2001-11-07
DE50113337D1 (en) 2008-01-17
US6543357B2 (en) 2003-04-08
US20010037739A1 (en) 2001-11-08
DE10021398A1 (en) 2001-11-08
DE10021398B4 (en) 2004-07-29
ES2293939T3 (en) 2008-04-01
EP1151862A3 (en) 2003-09-03

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