EP0267504A2 - Bearing for reciprocating applicator rollers in printing machines - Google Patents

Bearing for reciprocating applicator rollers in printing machines Download PDF

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Publication number
EP0267504A2
EP0267504A2 EP87116031A EP87116031A EP0267504A2 EP 0267504 A2 EP0267504 A2 EP 0267504A2 EP 87116031 A EP87116031 A EP 87116031A EP 87116031 A EP87116031 A EP 87116031A EP 0267504 A2 EP0267504 A2 EP 0267504A2
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EP
European Patent Office
Prior art keywords
roller
stencil
rollers
locks
storage according
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
EP87116031A
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German (de)
French (fr)
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EP0267504B1 (en
EP0267504A3 (en
Inventor
Herbert Rebel
Peter Hummel
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Manroland AG
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MAN Roland Druckmaschinen AG
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Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to AT87116031T priority Critical patent/ATE71024T1/en
Publication of EP0267504A2 publication Critical patent/EP0267504A2/en
Publication of EP0267504A3 publication Critical patent/EP0267504A3/en
Application granted granted Critical
Publication of EP0267504B1 publication Critical patent/EP0267504B1/en
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    • 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 bearing for changing application rollers of printing machines according to the preamble of the first claim.
  • Bearings for iridescent inking rollers are known from various publications.
  • DE-PS 3 034 644 describes e.g. an inking unit, in which four application rollers are driven by the associated friction rollers via spur gears and an axial movement can be carried out via a drum curve arranged on the axis of the application rollers.
  • the last inking roller, seen in the direction of rotation of the plate cylinder, has an iridescent design to improve the stenciling behavior of an inking unit.
  • an inking unit is also known, in which stenciling phenomena on the printing plate or the printed image are avoided in a simple manner with uniform coloring of the plate cylinder.
  • the oscillating inking roller executes an asynchronous lateral movement to a friction roller, from which the drive of the application roller is derived by friction.
  • the roller jacket of the oscillating inking roller is both rotatable and rotatable on a roller axis that is fixed in bearings axially displaceable, the axial stroke is limited on both sides by two bushes, between which a compression spring is provided on each roll side.
  • the disadvantage is that, due to the lack of stroke adjustment, the effectiveness of the traversing movement cannot be adequately adapted to the pressure subject in order to avoid stenciling. In addition, the traversing movement cannot be completely deactivated. In a very large number of cases, the traversing of the application rollers is not necessary at all.
  • a so-called anti-stencil roller is also known, which is adjustable in the axial stroke and is also driven by a friction roller in a simple manner by frictional engagement.
  • the anti-stencil roller is inserted into existing roller locks instead of the last inking roller seen in the direction of rotation of the plate cylinder.
  • the axial stroke is adjustable, but there is no possibility of completely stopping the axial stroke.
  • This anti-stencil roller also has the disadvantage, as well as all the previously known changeable inking rollers, that a special roller construction is required for every application, because an intervention in the roller shell must always be carried out in order to provide the inking rollers with an axial stroke.
  • the main advantage of the invention is that existing paint, varnish or dampening rollers with their journals only have to be inserted into anti-stencil roller locks according to the invention. Retrofitting any printing press is no problem. So far, a special roller construction has always been required. Since the friction drive can be adjusted steplessly or in stages, subject-dependent strips can be eliminated in an improved adaptation to the existing subject than with friction drives without stroke adjustment. The small interval-like stroke of the changing application rollers ensures gentle treatment of the printing plate or blanket cylinder. With the stroke adjustment, the rubbing function of the changing application rollers can be turned off completely in a simple manner.
  • the anti-stencil roller locks can be operated at a standstill or even while the machine is running, by hand or automatically via known actuating gears, which makes the adjustment easy to service.
  • dampening solution and ink are fed to a plate cylinder 11 in a known manner.
  • dampening rollers 9.1 and one dampening roller 9.2 are each assigned friction rollers 12.
  • the inking rollers 9. 1 or the dampening roller 9. 2 perform a back and forth movement for the lateral rubbing of an ink or a dampening solution, the roller shells of which are driven by frictional engagement by the friction rollers 12 interacting with them according to FIG. 2.
  • the inking rollers 9.1 or the dampening roller 9.2 follow the rubbing rollers 12 by the amount a and remain in the respective end position until the rubbing rollers 12 experience a reversal of movement in their respective dead center. It is therefore a synchronous lateral movement of the inking rollers 9.1 and the dampening roller 9.2 each to the adjacent friction rollers 12th
  • FIGS. 3 to 6 show embodiment variants of the storage according to the invention for the oscillating application rollers 9.1, 9.2.
  • both the inking rollers 9.1 and the dampening roller 9.2 are in pivotable bearings 2, e.g. Pivot bearing levers can be lifted off the plate cylinder 11 in a known manner.
  • the rubber and plate cylinders are also turned off from one another, so that their lateral surfaces no longer touch.
  • the inner ring of the roller bearings 6 and the extended inner sleeve 3 of the needle bearing 5 are each in accordance with the embodiment variant according to FIGS. 3 and 4 with a spring ring 4 or according to the embodiment variant according to FIGS. 5 and 6 with cover disks 13, screws 14 and an additional shoulder ring 15 axially fixed on the stubs of the inking rollers 9.1 or the dampening roller 9.2.
  • the axial displacement movement can be adjusted by turning and moving the anti-stencil roller locks 1 in the stroke as well as on and off, depending on the requirements of the various print jobs.
  • the axial stroke is limited by a shoulder ring 21 of the anti-stencil roller lock 1 which interacts with the outer ring 19 of the roller bearing 6.
  • a first embodiment variant of a radial locking device 7, 8, 18 is provided, which consists of a stop block 7 and a ball catch 8 interacting with a groove 18 in the anti-stencil roller lock 1.
  • a stop block 7 and a ball catch 8 By moving and adjusting the anti-stencil roller lock 1 by 180 ° can the stop block 7 and the groove 18 gradually in the parking position shown in Fig. 3, further in the Fig. 4 in a central position at max. Stroke a shown traversing position or in two further traversing positions, not shown, with a stroke size of a / 2 by mutual rotation of the left or right stop block 7 are spent.
  • the axial displacement according to FIGS. 5 and 6 can be continuously adjusted in the stroke as well as turned on and off will.
  • the radial locking device 17, 22 has an eccentric clamping cam 17 in the anti-stencil roller lock 1 which interacts with a concentric recess 22 in the pivotable mounting 2.
  • the pivotable mounting 2 all the bores 22, 23 are formed concentrically, while in the anti-stencil roller lock 1, apart from the eccentric clamping cam 17, all the other bores or outer diameters are likewise concentric.
  • FIG. 5 of the embodiment variant shows the trituration function that has been switched off, while in FIG. 6, with the trituration function activated, the dampening roller 9.2 is shown in a central position of the traversing stroke a.
  • the drive 16 designated in FIGS. 5 and 6 with a slip clutch for the dampening roller 9.2 is of no particular importance for the solution according to the invention and can therefore also be omitted.
  • the gap 20 according to FIG. 6 is chosen to be larger than a / 2, so that an axial play is maintained in order to be able to set the maximum stroke a between the shoulder ring 21 and the outer ring 19 of the roller bearing 6 without hindrance.
  • the anti-stencil roller locks can be operated by hand, but can also be mechanized or automated, e.g. in connection with known actuators, not shown. The operation can take place both at a standstill and when the machine is running.
  • the anti-stencil roller locks 1 can be used for any application rollers, for example dampening, inking and varnishing rollers, one or more rollers being easily equipped with the anti-stencil roller locks 1.
  • the rubbing obtained in this way eliminates streaking, caused by the build-up of the processed media in damp, ink and coating units as a result of irregular consumption on a plate or rubber blanket.
  • the attrition can be set to a certain stroke or can be completely switched off without additional effort. It is generated in a simple manner by friction from existing friction rollers 12.

Abstract

A mounting for changing or laterally reciprocatable inking, damping, or like applicator rolls of a printing press, which rolls are driven by a friction roll in engagement therewith. The changing applicator rolls each have their spindles mounted outside of the roll shell for rotational and axial movement in roller locks. Axial travel is limited by a shoulder ring in the roller lock, the ring cooperating with the outer race of a roller bearing which supports the roll spindle for relative rotational movement within the roller lock. Each roller lock also is mounted so as to be axially locatable in different positions for achieving desired axial movement of the applicator roll, or for preventing spreading movement of the applicator roll entirely.

Description

Die Erfindung betrifft eine Lagerung für changierende Auf­tragwalzen von Druckmaschinen nach dem Oberbegriff des ersten Patentanspruches. Lagerungen für changierende Farb­auftragwalzen sind aus verschiedenen Veröffentlichungen bekannt.The invention relates to a bearing for changing application rollers of printing machines according to the preamble of the first claim. Bearings for iridescent inking rollers are known from various publications.

Die DE-PS 3 034 644 beschreibt z.B. ein Farbwerk, bei dem vier Auftragwalzen von den zugehörigen Reibwalzen über Stirnräder angetrieben werden und über eine auf der Achse der Auftragwalzen angeordnete Trommelkurve eine axiale Bewegung ausführbar ist. Die letzte Farbauftragwalze in Drehrichtung des Plattenzylinders gesehen, ist changierend ausgeführt, um das Schablonierverhalten eines Farbwerkes zu verbessern.DE-PS 3 034 644 describes e.g. an inking unit, in which four application rollers are driven by the associated friction rollers via spur gears and an axial movement can be carried out via a drum curve arranged on the axis of the application rollers. The last inking roller, seen in the direction of rotation of the plate cylinder, has an iridescent design to improve the stenciling behavior of an inking unit.

Der Nachteil dieser Ausführung besteht darin, daß ein großer baulicher Aufwand betrieben werden muß, um die vom Plattenzylinder abstellbaren Farbauftragwalzen über zusätzliche Stirnräder von den Reibwalzen anzutreiben, ferner die Achsen der Farbauftragwalzen beiderseits mit drehbaren und verschwenkbaren Lagerungen zu versehen, so wie innerhalb der Farbauftragwalzentrommelkurven Kurven­rollen vorzusehen, um die seitliche Bewegung zu ermög­lichen.The disadvantage of this design is that a large amount of construction work has to be carried out in order to drive the inking rollers which can be switched off from the plate cylinder via additional spur gears from the friction rollers, and also to provide the axes of the inking rollers with rotatable and pivotable bearings on both sides, as well as cam rollers within the inking roller drum curves to allow for lateral movement.

Aus der EP-A 0 143 240 ist ferner ein Farbwerk bekannt, bei dem auf einfache Weise Schabloniererscheinungen auf der Druckplatte bzw. dem Druckbild bei gleichmäßiger Einfärbung des Plattenzylinders vermieden werden. Die changierende Farbauftragwalze führt eine asynchrone seitliche Bewegung zu einer Reibwalze aus, von der der Antrieb der Auftragwalze durch Reibschluß abgeleitet wird. Der Walzenmantel der changierenden Farbauftragwalze ist auf einer drehfest in Lagerungen angeordneten Walzenachse sowohl drehbar als auch axial verschiebbar gelagert, wobei der axiale Hub beider­seitig von zwei Büchsen begrenzt ist, zwischen denen auf jeder Walzenseite eine Druckfeder vorgesehen ist.From EP-A 0 143 240, an inking unit is also known, in which stenciling phenomena on the printing plate or the printed image are avoided in a simple manner with uniform coloring of the plate cylinder. The oscillating inking roller executes an asynchronous lateral movement to a friction roller, from which the drive of the application roller is derived by friction. The roller jacket of the oscillating inking roller is both rotatable and rotatable on a roller axis that is fixed in bearings axially displaceable, the axial stroke is limited on both sides by two bushes, between which a compression spring is provided on each roll side.

Nachteilig ist, daß wegen fehlender Hubeinstellung die Wirksamkeit der Changierbewegung nicht ausreichend dem Drucksujet angepaßt werden kann, um Schablonieren zu ver­meiden. Außerdem kann die Changierbewegung nicht völlig außer Funktion gesetzt werden. In einer sehr großen Anzahl von Fällen ist aber das Changieren der Auftragwalzen über­haupt nicht erforderlich.The disadvantage is that, due to the lack of stroke adjustment, the effectiveness of the traversing movement cannot be adequately adapted to the pressure subject in order to avoid stenciling. In addition, the traversing movement cannot be completely deactivated. In a very large number of cases, the traversing of the application rollers is not necessary at all.

Aus der Praxis ist ferner eine sogenannte Anti-Schablonier­walze bekannt, die im Axialhub verstellbar ist und eben­falls durch Reibschluß in einfacher Weise von einer anlie­genden Reibwalze angetrieben wird. Die Anti-Schablonier­walze wird anstelle der in Drehrichtung des Plattenzylinder gesehen letzten Farbauftragwalze in vorhandene Walzen­schlösser eingelegt. Der axiale Hub ist zwar einstellbar, aber es ist keine Möglichkeit zur völligen Abstellung des axialen Hubes vorgesehen. Diese Anti-Schablonierwalze weist ferner als Nachteil ebenso wie alle bisher bekannten vor­stehend beschriebenen changierenden Farbauftragwalzen auf, daß für jeden Anwendungsfall eine spezielle Walzenkon­struktion erforderlich ist, weil stets ein Eingriff in den Walzenmantel vorgenommen werden muß, um die Farbauftrag­walzen mit einem axialen Hub zu versehen.From practice, a so-called anti-stencil roller is also known, which is adjustable in the axial stroke and is also driven by a friction roller in a simple manner by frictional engagement. The anti-stencil roller is inserted into existing roller locks instead of the last inking roller seen in the direction of rotation of the plate cylinder. The axial stroke is adjustable, but there is no possibility of completely stopping the axial stroke. This anti-stencil roller also has the disadvantage, as well as all the previously known changeable inking rollers, that a special roller construction is required for every application, because an intervention in the roller shell must always be carried out in order to provide the inking rollers with an axial stroke.

Ausgehend von diesem Stand der Technik, ist es deshalb Aufgabe der Erfindung, eine Lagerung für changierende Auf­tragwalzen von Druckmaschinen zu schaffen, die es in ein­facher Weise erlaubt, beliebige vorhandene, vom anliegenden Reibzylinder durch Reibschluß angetriebene Auftragwalzen mit einem an- und abschaltbaren Verreibungshub zu versehen, ohne die Walzenachse axial fixieren und einen Eingriff in den Walzenmantel vornehmen zu müssen.Based on this state of the art, it is therefore an object of the invention to provide a bearing for oscillating application rollers of printing presses, which makes it possible in a simple manner to provide any existing application rollers, driven by the adjacent distribution cylinder by friction, with a friction stroke that can be switched on and off , without axially fixing the roller axis and having to make an intervention in the roller shell.

Die Aufgabe wird durch die im Kennzeichen des Anspruchs 1 angeführten Merkmale gelöst.The object is achieved by the features stated in the characterizing part of claim 1.

Der wesentliche Vorteil der Erfindung besteht darin, daß vorhandene Farb-, Lack- oder Feuchtauftragwalzen mit ihren Lagerzapfen lediglich in erfindungsgemäße Anti-Schab­lonier-Walzenschlösser eingelegt werden müssen. Das Nach­rüsten jeder Druckmaschine bereitet keinerlei Schwierig­keiten. Bisher war stets eine spezielle Walzenkonstruktion erforderlich. Da der Verreibungsantrieb stufenlos oder auch in Stufen verstellt werden kann, lassen sich sujetabhängige Streifen in verbesserter Anpassung an das vorhandene Sujet beseitigen als bei Verreibungsantrieben ohne Hubverstellung. Durch den kleinen intervallartigen Hub der changierenden Auftragwalzen wird eine schonende Behandlung von Druck­platte bzw. Gummizylinder erreicht. Mit der Hubverstellung kann sogleich die Verreibungsfunktion der changierenden Auftragwalzen auf einfache Weise völlig abgestellt werden. Die Anti-Schablonier-Walzenschlösser können im Stillstand oder auch im Maschinenlauf, von Hand oder automatisch über bekannte Stellgetriebe betätigbar ausgeführt werden, wodurch die Servicefreundlichkeit der Verstellung auf einfache Weise erhöht werden kann.The main advantage of the invention is that existing paint, varnish or dampening rollers with their journals only have to be inserted into anti-stencil roller locks according to the invention. Retrofitting any printing press is no problem. So far, a special roller construction has always been required. Since the friction drive can be adjusted steplessly or in stages, subject-dependent strips can be eliminated in an improved adaptation to the existing subject than with friction drives without stroke adjustment. The small interval-like stroke of the changing application rollers ensures gentle treatment of the printing plate or blanket cylinder. With the stroke adjustment, the rubbing function of the changing application rollers can be turned off completely in a simple manner. The anti-stencil roller locks can be operated at a standstill or even while the machine is running, by hand or automatically via known actuating gears, which makes the adjustment easy to service.

Nachstehend wird die Erfindung in einem Ausführungsbeispiel anhand einer Zeichnung näher erläutert.The invention is explained in more detail in an exemplary embodiment with reference to a drawing.

Es zeigen:

  • Fig. 1 eine Seitenansicht eines Farbwerkes,
  • Fig. 2 mit der Reibwalze changierende Auftragwalzen, schematisch,
  • Fig. 3 einen Teil-Längsschnitt durch eine changierende Farbauftragwalze mit einer ersten Ausführungsvariante von Anti-Schablonier-Walzenschlössern, bei abgestellter Verreibungsfunktion,
  • Fig. 4 die Ausführungsvariante gemäß Fig. 3 bei angestellter Verreibungsfunktion in einer Mittelstellung der Farbauf­tragwalze,
  • Fig. 5 einen Teil-Längsschnitt durch eine changierende Feuchtauftragwalze mit einer zweiten Ausführungsvariante eines Anti-Schablonier-Walzenschlosses, bei abgestellter Verreibungsfunktion,
  • Fig. 6 die Ausführungsvariante gemäß Fig. 5 bei angestellter Verreibungsfunktion in einer Mittelstellung der Feucht­auftragwalze.
Show it:
  • 1 is a side view of an inking unit,
  • 2 with the friction roller changing application rollers, schematically,
  • 3 shows a partial longitudinal section through an iridescent inking roller with a first embodiment variant of anti-stencil roller locks, with the friction function switched off,
  • 4 shows the embodiment variant according to FIG. 3 with the rubbing function activated in a central position of the inking roller,
  • 5 shows a partial longitudinal section through an oscillating dampening roller with a second embodiment of an anti-stencil roller lock, with the friction function switched off,
  • FIG. 6 shows the embodiment variant according to FIG. 5 with the friction function in a central position of the dampening roller.

Bei einem Walzenfarbwerk einer Offsetdruckmaschine ent­sprechend Fig. 1 werden Feuchtmittel und Farbe in bekannter Weise einem Plattenzylinder 11 zugeführt. Hierzu sind neben anderen Feucht- und Farbwerkwalzen mehreren Farbauftrag­walzen 9.1 und einer Feuchtauftragwalze 9.2 jeweils Reib­walzen 12 zugeordnet.In a roller inking unit of an offset printing machine according to FIG. 1, dampening solution and ink are fed to a plate cylinder 11 in a known manner. For this purpose, in addition to other dampening and inking unit rollers, several inking rollers 9.1 and one dampening roller 9.2 are each assigned friction rollers 12.

Die Farbauftragwalzen 9.1 bzw. die Feuchtauftragwalze 9.2 führen zur seitlichen Verreibung einer Farbe bzw. eines Feuchtmittels eine Hin- und Herbewegung aus, wobei deren Walzenmäntel durch Reibschluß von den mit ihnen zusammen­wirkenden Reibwalzen 12 gemäß Fig. 2 angetrieben werden. Beim seitlichen Hub der Reibwalzen 12 folgen die Farbauf­tragwalzen 9.1 bzw. die Feuchtauftragwalze 9.2 den Reib­walzen 12 um den Betrag a und verbleiben in der jeweiligen Endstellung, bis die Reibwalzen 12 in ihrem jeweiligen Totpunkt eine Bewegungsumkehr erfahren. Es handelt sich somit um eine synchrone seitliche Bewegung der Farbauftrag­walzen 9.1 und der Feuchtauftragwalze 9.2 jeweils zu den anliegenden Reibwalzen 12.The inking rollers 9. 1 or the dampening roller 9. 2 perform a back and forth movement for the lateral rubbing of an ink or a dampening solution, the roller shells of which are driven by frictional engagement by the friction rollers 12 interacting with them according to FIG. 2. During the lateral stroke of the rubbing rollers 12, the inking rollers 9.1 or the dampening roller 9.2 follow the rubbing rollers 12 by the amount a and remain in the respective end position until the rubbing rollers 12 experience a reversal of movement in their respective dead center. It is therefore a synchronous lateral movement of the inking rollers 9.1 and the dampening roller 9.2 each to the adjacent friction rollers 12th

In den Figuren 3 bis 6 sind Ausführungsvarianten der erfindungsgemäßen Lagerung für die changierenden Auftrag­walzen 9.1, 9.2 dargestellt. Zum Druckabstellen sind sowohl die Farbauftragwalzen 9.1 als auch die Feuchtauftragwalze 9.2 in verschwenkbaren Lagerungen 2, z.B. Schwenklagerhebeln vom Plattenzylinder 11 in bekannter Weise abhebbar ge­lagert. In bekannter Weise werden zugleich auch die Gummi- ­und Plattenzylinder voneinander abgestellt, so daß deren Mantelflächen sich nicht mehr berühren.FIGS. 3 to 6 show embodiment variants of the storage according to the invention for the oscillating application rollers 9.1, 9.2. To stop printing, both the inking rollers 9.1 and the dampening roller 9.2 are in pivotable bearings 2, e.g. Pivot bearing levers can be lifted off the plate cylinder 11 in a known manner. In a known manner, the rubber and plate cylinders are also turned off from one another, so that their lateral surfaces no longer touch.

Vorhandene Farbauftragwalzen 9.1 bzw. eine vorhandene Feucht­auftragwalze 9.2 werden, ohne eine besondere Walzenkon­struktion für die seitliche Verreibung zu benötigen, mit zugeordneten Anti-Schablonier-Walzenschlössern 1 in die verschwenkbaren Lagerungen 2 eingelegt. Die Walzenachsen 10 der Farbauftragwalzen 9.1 bzw. der Feuchtauftragwalze 9.2 sind beidseitig außerhalb des Walzenmantels mit den Achs­stümpfen sowohl drehbar als auch axial verschiebbar in den Anti-Schablonier-Walzenschlössern 1 gelagert. Hierzu sind nebeneinander liegend ein Nadellager 5 mit verlängerter Innenbüchse 3 sowie ein Wälzlager 6 innerhalb des Anti­Schablonier-Walzenschlosses 1 auf den beiden Achsstimpfen der Farbauftragwalzen 9.1 bzw. der Feuchtauftragwalze 9.2 angeordnet. Der Innenring der Wälzlager 6 und die ver­längerte Innenbüchse 3 des Nadellagers 5 sind jeweils gemäß der Ausführungsvariante nach Fig. 3 und 4 mit einem Federring 4 bzw. gemäß der Ausführungsvariante nach Fig. 5 und 6 mit Deckscheiben 13, Schrauben 14 und einem zusätz­lichen Schulterring 15 axial auf den Achsstümpfen der Farb­auftragwalzen 9.1 bzw. der Feuchtauftragwalze 9.2 festge­legt.Existing inking rollers 9.1 or an existing dampening roller 9.2 are used without requiring a special roller construction for the lateral rubbing assigned anti-stencil roller locks 1 inserted into the pivotable bearings 2. The roller axes 10 of the inking rollers 9.1 and the dampening roller 9.2 are mounted on both sides outside of the roller shell with the stub axles both rotatably and axially displaceably in the anti-stencil roller locks 1. For this purpose, a needle bearing 5 with an extended inner sleeve 3 and a roller bearing 6 are arranged side by side within the anti-stencil roller lock 1 on the two axle journals of the inking rollers 9.1 and the dampening roller 9.2. The inner ring of the roller bearings 6 and the extended inner sleeve 3 of the needle bearing 5 are each in accordance with the embodiment variant according to FIGS. 3 and 4 with a spring ring 4 or according to the embodiment variant according to FIGS. 5 and 6 with cover disks 13, screws 14 and an additional shoulder ring 15 axially fixed on the stubs of the inking rollers 9.1 or the dampening roller 9.2.

Die axiale Verschiebebewegung läßt sich durch Verdrehen und Verschieben der Anti-Schablonier-Walzenschlösser 1 sowohl im Hub verstellen als auch an- und abstellen, je nach Anfor­derung der verschiedenen Druckaufträge. Der axiale Hub ist durch einen mit dem Außenring 19 des Walzlagers 6 zusammen­wirkenden Schulterring 21 des Anti-Schablonier-Walzen­schlosses 1 begrenzt.The axial displacement movement can be adjusted by turning and moving the anti-stencil roller locks 1 in the stroke as well as on and off, depending on the requirements of the various print jobs. The axial stroke is limited by a shoulder ring 21 of the anti-stencil roller lock 1 which interacts with the outer ring 19 of the roller bearing 6.

Gemäß Fig. 3 und 4 ist eine erste Ausführungsvariante einer radialen Verriegelungseinrichtung 7, 8, 18, vorgesehen, die aus einem Anschlagklotz 7 und einer mit einer Nut 18 im Anti-Schablonier-Walzenschloß 1 zusammen­wirkenden Kugelrast 8 besteht. Durch Verschieben und Ver­stellen des Anti-Schablonier-Walzenschlosses 1 um 180° können der Anschlagklotz 7 und die Nut 18 stufenweise in die in Fig. 3 dargestellte Abstellposition, ferner in die in Fig. 4 in einer Mittelstellung bei max. Hub a darge­stellte Changierposition oder in zwei weitere nicht darge­stellte Changierpositionen mit einer Hubgröße von a/2 durch wechselseitiges Verdrehen des linken oder rechten Anschlag­klotzes 7 verbracht werden.3 and 4, a first embodiment variant of a radial locking device 7, 8, 18 is provided, which consists of a stop block 7 and a ball catch 8 interacting with a groove 18 in the anti-stencil roller lock 1. By moving and adjusting the anti-stencil roller lock 1 by 180 ° can the stop block 7 and the groove 18 gradually in the parking position shown in Fig. 3, further in the Fig. 4 in a central position at max. Stroke a shown traversing position or in two further traversing positions, not shown, with a stroke size of a / 2 by mutual rotation of the left or right stop block 7 are spent.

Durch Verschieben und Verdrehen des Anti-Schablonier-Walzen­schlosses 1 in eine Selbsthemmungsposition in Walzendreh­richtung kann in Verbindung mit der radialen Verriegelungs­einrichtung 17, 22 in einer zweiten Ausführungsvariante die axiale Verschiebung gemäß Fig. 5 und 6 stufenlos sowohl im Hub verstellt als auch an- und abgestellt werden. Hierzu weist die radiale Verriegelungseinrichtung 17, 22 einen mit einer konzentrischen Eindrehung 22 in der verschwenkbaren Lagerung 2 zusammenwirkenden exzentrischen Klemmnocken 17 im Anti-Schablonier-Walzenschloß 1 auf. In der verschwenk­baren Lagerung 2 sind alle Bohrungen 22, 23 konzentrisch ausgebildet, während im Anti-Schablonier-Walzenschloß 1 außer dem exzentrischen Klemmnocken 17 ebenfalls alle wei­teren Bohrungen bzw. Außendurchmesser konzentrisch ausge­bildet sind.By moving and rotating the anti-stencil roller lock 1 in a self-locking position in the direction of roller rotation, in connection with the radial locking device 17, 22 in a second embodiment variant, the axial displacement according to FIGS. 5 and 6 can be continuously adjusted in the stroke as well as turned on and off will. For this purpose, the radial locking device 17, 22 has an eccentric clamping cam 17 in the anti-stencil roller lock 1 which interacts with a concentric recess 22 in the pivotable mounting 2. In the pivotable mounting 2, all the bores 22, 23 are formed concentrically, while in the anti-stencil roller lock 1, apart from the eccentric clamping cam 17, all the other bores or outer diameters are likewise concentric.

Die Fig. 5 der Ausführungsvariante zeigt die abgestellte Verreibungsfunktion, während in Fig. 6 bei angestellter Ver­reibungsfunktion die Feuchtauftragwalze 9.2 in einer Mittel­stellung des Changierhubes a dargestellt ist.FIG. 5 of the embodiment variant shows the trituration function that has been switched off, while in FIG. 6, with the trituration function activated, the dampening roller 9.2 is shown in a central position of the traversing stroke a.

Der mit 16 in Fig. 5 und Fig. 6 bezeichnete Antrieb mit Rutschkupplung für die Feuchtauftragwalze 9.2 ist ohne beson­dere Bedeutung für die erfindungsgemäße Lösung und kann des­halb auch entfallen.The drive 16 designated in FIGS. 5 and 6 with a slip clutch for the dampening roller 9.2 is of no particular importance for the solution according to the invention and can therefore also be omitted.

Der Spalt 20 gemäß Fig. 6 ist größer a/2 gewählt, damit ein axiales Spiel erhalten bleibt, um den maximalen Hub a zwischen Schulterring 21 und Außenring 19 des Wälzlagers 6 ungehindert einstellen zu können.The gap 20 according to FIG. 6 is chosen to be larger than a / 2, so that an axial play is maintained in order to be able to set the maximum stroke a between the shoulder ring 21 and the outer ring 19 of the roller bearing 6 without hindrance.

Die Betätigung der Anti-Schablonier-Walzenschlösser kann von Hand erfolgen, ist aber auch mechanisierbar bzw. automati­sierbar, z.B. in Verbindung mit an sich bekannten nicht dargestellten Stellantrieben. Die Betätigung kann sowohl im Stillstand als auch im Maschinenlauf erfolgen.The anti-stencil roller locks can be operated by hand, but can also be mechanized or automated, e.g. in connection with known actuators, not shown. The operation can take place both at a standstill and when the machine is running.

Die Anti-Schablonier-Walzenschlösser 1 sind für beliebige Auftragwalzen, z.B. Feucht-, Farb- und Lackwalzen verwendbar, wobei eine oder auch mehrere Walzen mit den Anti-Schablonier-­Walzenschlössern 1 in einfacher Weise ausrüstbar sind. Die so gewonnene Verreibung beseitigt die Streifenbildung, verur­sacht durch Aufbauen der verarbeiteten Medien in Feucht-, Farb- und Lackwerken infolge unregelmäßigen Verbrauches auf Platte oder Gummituch. Die Verreibung kann auf einen bestimmten Hub eingestellt werden oder auch ohne zusätzlichen Aufwand völlig abgestellt werden. Sie wird auf einfache Weise durch Friktion von vorhandenen Reibwalzen 12 erzeugt.The anti-stencil roller locks 1 can be used for any application rollers, for example dampening, inking and varnishing rollers, one or more rollers being easily equipped with the anti-stencil roller locks 1. The rubbing obtained in this way eliminates streaking, caused by the build-up of the processed media in damp, ink and coating units as a result of irregular consumption on a plate or rubber blanket. The attrition can be set to a certain stroke or can be completely switched off without additional effort. It is generated in a simple manner by friction from existing friction rollers 12.

BezugszeichenlisteReference symbol list

  • 1 Anti-Schablonier-Walzenschloß1 anti-stencil roller lock
  • 2 Verschwenkbare Lagerung2 Swiveling storage
  • 3 Verlängerte Innenbüchse3 Extended inner sleeve
  • 4 Federring4 spring washer
  • 5 Nadellager5 needle bearings
  • 6 Kugellager6 ball bearings
  • 7 Anschlagklotz7 stop block
  • 8 Kugelrast8 ball catch
  • 9.1 Farbauftragwalze9.1 Ink roller
  • 9.2 Feuchtauftragwalze9.2 Moist application roller
  • 10 Walzenachse10 roller axis
  • 11 Plattenzylinder11 plate cylinders
  • 12 Reibwalze12 distribution roller
  • 13 Deckscheibe13 cover plate
  • 14 Schraube14 screw
  • 15 Schulterring15 shoulder ring
  • 16 Antrieb für Feuchtauftragwalze16 Drive for dampening roller
  • 17 Klemmnocken17 clamping cams
  • 18 Nut18 groove
  • 19 Außenring19 outer ring
  • 20 Spalt20 gap
  • 21 Schulterring21 shoulder ring
  • 22 Konzentrische Eindrehung22 Concentric insertion
  • 23 Lagerbohrung23 bearing bore

Claims (6)

1.) Lagerung für changierende Auftragwalzen von Druck­maschinen, vorzugweise für Farb-, Lack- oder Feucht­auftragwalzen von Offsetdruckmaschinen, bestehend aus die Walzenachsen an den beiden Walzenstimpfen aufneh­menden Walzenschlössern, die in verschwenkbaren Lage­rungen zwischen den Seitenständern der Druckmaschine angeordnet sind,
dadurch gekennzeichnet,
daß durch anliegende Reibwalzen (12) angetriebene chan­gierende Auftragwalzen (9.1; 9.2) beidseitig mit den Walzenachsen (10) drehbar und axial verschiebbar in Anti-Schablonier-Walzenschlössern (1) gelagert sind und daß die Anti-Schablonier-Walzenschlösser (1) mittels radialer Verriegelungseinrichtung (7, 8, 18; 17, 22) in unterschiedlichen Raststellungen in den verschwenkbaren Lagerungen (2) axial fixierbar gelagert sind.1.) Storage for changing application rollers of printing presses, preferably for ink, varnish or dampening application rollers of offset printing machines, consisting of the roller locks on the roller locks receiving the two roller stops, which are arranged in pivotable bearings between the side stands of the printing machine,
characterized by
that by means of adjacent friction rollers (12) driven oscillating application rollers (9.1; 9.2) on both sides with the roller axes (10) are rotatably and axially displaceably mounted in anti-stencil roller locks (1) and that the anti-stencil roller locks (1) by means of radial Locking device (7, 8, 18; 17, 22) are axially fixable in different latching positions in the pivotable bearings (2). 2.) Lagerung nach Anspruch 1,
dadurch gekennzeichnet,
daß die Walzenachsen (10) mittels Nadellagern (5), die eine verlängerte Innenbüchse (3) aufweisen sowie mittels daneben liegenden Wälzlagern (6) in den Anti-­Schablonier-Walzenschlössern (1) gelagert sind.2.) Storage according to claim 1,
characterized by
that the roller axes (10) are mounted in the anti-stencil roller locks (1) by means of needle bearings (5) which have an elongated inner sleeve (3) and by means of roller bearings (6) lying next to them. 3.) Lagerung nach Anspruch 1 und 2,
dadurch gekennzeichnet,
daß eine radiale Verriegelungseinrichtung (7, 8, 18) vorgesehen ist, die aus einem Anschlagklotz (7) und einer mit einer Nut (18) im Anti-Schablonier-Walzen­schloß (1) zusammenwirkenden Kugelrast (8) besteht.3.) Storage according to claim 1 and 2,
characterized by
that a radial locking device (7, 8, 18) is provided which consists of a stop block (7) and a ball catch (8) which interacts with a groove (18) in the anti-stencil roller lock (1). 4.) Lagerung nach Anspruch 1 und 2,
dadurch gekennzeichnet,
daß eine radiale Verriegelungseinrichtung (17, 22) vorgesehen ist, die aus einem mit einer konzen­trischen Eindrehung (22) in der verschwenkbaren Lage­rung (2) zusammenwirkenden exzentrischen Klemmnocken (17) im Anti-Schablonier-Walzenschloß (1) besteht.4.) Storage according to claim 1 and 2,
characterized by
that a radial locking device (17, 22) is provided which consists of an eccentric clamping cam (17) cooperating with a concentric recess (22) in the pivotable mounting (2) in the anti-stencil roller lock (1). 5.) Lagerung nach Anspruch 1 bis 4,
dadurch gekennzeichnet,
daß der axiale Hub durch einen mit dem Außenring (19) des Wälzlagers (6) zusammenwirkenden Schulterring (21) des Anti-Schablonier-Walzenschlosses (1) begrenzt ist.5.) Storage according to claim 1 to 4,
characterized by
that the axial stroke is limited by a shoulder ring (21) of the anti-stencil roller lock (1) which interacts with the outer ring (19) of the roller bearing (6). 6.) Lagerung nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß allein durch Betätigung der Anti-Schablonier-Walzen­schlösser (1) von Hand oder automatisch, im Stillstand oder bei Maschinenlauf, die axiale Verschiebebewegung sowohl im Hub verstellbar als auch an- und abstellbar ist.6.) Storage according to claim 1 to 5, characterized in that only by actuating the anti-stencil roller locks (1) by hand or automatically, at a standstill or when the machine is running, the axial displacement movement can be adjusted both in the stroke and also switched on and off is.
EP87116031A 1986-11-13 1987-10-31 Bearing for reciprocating applicator rollers in printing machines Expired - Lifetime EP0267504B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87116031T ATE71024T1 (en) 1986-11-13 1987-10-31 BEARING FOR CHANGING APPLICATION ROLLERS OF PRINTING MACHINES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3638826 1986-11-13
DE19863638826 DE3638826A1 (en) 1986-11-13 1986-11-13 STORAGE FOR CHANGING APPLICATION ROLLERS OF PRINTING MACHINES

Publications (3)

Publication Number Publication Date
EP0267504A2 true EP0267504A2 (en) 1988-05-18
EP0267504A3 EP0267504A3 (en) 1989-11-08
EP0267504B1 EP0267504B1 (en) 1992-01-02

Family

ID=6313894

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87116031A Expired - Lifetime EP0267504B1 (en) 1986-11-13 1987-10-31 Bearing for reciprocating applicator rollers in printing machines

Country Status (6)

Country Link
US (1) US4831928A (en)
EP (1) EP0267504B1 (en)
JP (1) JPH0788092B2 (en)
AT (1) ATE71024T1 (en)
BR (1) BR8706198A (en)
DE (2) DE3638826A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0418778A2 (en) * 1989-09-20 1991-03-27 KOENIG & BAUER-ALBERT Aktiengesellschaft Reciprocating application rollers
EP0509279A1 (en) * 1991-04-13 1992-10-21 MAN Roland Druckmaschinen AG Arrangement for adjusting the axial stroke of a roller shaft in printing machines
US7207266B2 (en) 2004-04-08 2007-04-24 Heidelberger Druckmaschinen Ag Printing press

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3934070A1 (en) * 1989-10-12 1991-04-25 Miller Johannisberg Druckmasch CHANGING APPLICATION ROLLER OF A INK PRINTING MACHINE
DE3934067C2 (en) * 1989-10-12 1994-06-16 Miller Johannisberg Druckmasch Inking unit of a printing press with an oscillating application roller
DE8913655U1 (en) * 1989-11-18 1989-12-28 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
US6002952A (en) 1997-04-14 1999-12-14 Masimo Corporation Signal processing apparatus and method
DE102005015868B4 (en) * 2004-04-08 2016-12-22 Heidelberger Druckmaschinen Ag press
CN105667071A (en) * 2016-01-20 2016-06-15 胡和萍 Tensioning force adjusting base for printing string ink rollers

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FR1558031A (en) * 1967-03-04 1969-02-21
EP0047861A1 (en) * 1980-09-13 1982-03-24 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Inking device with axially reciprocating inking roller
US4332195A (en) * 1979-11-19 1982-06-01 Kabushiki Kaisha Tokyo Kikai Seisakusho Variable-amplitude vibrator for inking rollers in printing presses
EP0141058A2 (en) * 1983-10-25 1985-05-15 Harris Graphics Corporation Inker for a printing press

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US3259060A (en) * 1963-12-23 1966-07-05 Stevens Corp Offset rotary printing press
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DE1961548U (en) * 1967-03-06 1967-06-08 Albert Schnellpressen ROLLER LOCK FOR THE STORAGE OF RUBBER ROLLERS, IN PARTICULAR TRANSFER AND APPLICATION ROLLERS IN THE INKING UNIT OF ROTARY PRINTING MACHINES.
DE1561045A1 (en) * 1967-04-15 1970-02-12 Roland Offsetmaschf Dampening system for offset rotary printing machines
US3625148A (en) * 1969-08-25 1971-12-07 Adamovske Strojirny Np Device for axially moving fluid-distributing rollers
US3630491A (en) * 1970-03-26 1971-12-28 Pu Ro Products Inc Collapsible safety barricades
US3815498A (en) * 1971-03-26 1974-06-11 Moore Business Forms Inc Oscillating roll for printing presses
US4411194A (en) * 1978-01-03 1983-10-25 North Shore Precision Research Corporation Printing press
DE8330123U1 (en) * 1983-10-19 1984-01-12 Heidelberger Druckmaschinen Ag, 6900 Heidelberg INK FOR PRINTING MACHINES

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FR1558031A (en) * 1967-03-04 1969-02-21
US4332195A (en) * 1979-11-19 1982-06-01 Kabushiki Kaisha Tokyo Kikai Seisakusho Variable-amplitude vibrator for inking rollers in printing presses
EP0047861A1 (en) * 1980-09-13 1982-03-24 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Inking device with axially reciprocating inking roller
EP0141058A2 (en) * 1983-10-25 1985-05-15 Harris Graphics Corporation Inker for a printing press

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0418778A2 (en) * 1989-09-20 1991-03-27 KOENIG & BAUER-ALBERT Aktiengesellschaft Reciprocating application rollers
EP0418778A3 (en) * 1989-09-20 1991-07-31 Koenig & Bauer Aktiengesellschaft Reciprocating application rollers
EP0509279A1 (en) * 1991-04-13 1992-10-21 MAN Roland Druckmaschinen AG Arrangement for adjusting the axial stroke of a roller shaft in printing machines
US7207266B2 (en) 2004-04-08 2007-04-24 Heidelberger Druckmaschinen Ag Printing press

Also Published As

Publication number Publication date
JPS63135251A (en) 1988-06-07
US4831928A (en) 1989-05-23
EP0267504B1 (en) 1992-01-02
DE3775712D1 (en) 1992-02-13
DE3638826C2 (en) 1991-03-28
EP0267504A3 (en) 1989-11-08
JPH0788092B2 (en) 1995-09-27
BR8706198A (en) 1988-06-21
DE3638826A1 (en) 1988-05-26
ATE71024T1 (en) 1992-01-15

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