EP2202071A1 - Releasable and slidable bearing assembly for a printing press - Google Patents

Releasable and slidable bearing assembly for a printing press Download PDF

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Publication number
EP2202071A1
EP2202071A1 EP09178309A EP09178309A EP2202071A1 EP 2202071 A1 EP2202071 A1 EP 2202071A1 EP 09178309 A EP09178309 A EP 09178309A EP 09178309 A EP09178309 A EP 09178309A EP 2202071 A1 EP2202071 A1 EP 2202071A1
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EP
European Patent Office
Prior art keywords
housing part
bearing
arrangement according
bearing arrangement
positively
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Granted
Application number
EP09178309A
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German (de)
French (fr)
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EP2202071B1 (en
Inventor
Hamed Ramezanali
Thomas Dittenhöfer
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Schaeffler Technologies AG and Co KG
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Schaeffler KG
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Publication of EP2202071A1 publication Critical patent/EP2202071A1/en
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    • 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
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/20—Means enabling or facilitating exchange of tubular printing or impression members, e.g. printing sleeves, blankets
    • B41P2227/21—Means facilitating exchange of sleeves mounted on cylinders without removing the cylinder from the press

Definitions

  • the invention relates to a releasable and movable bearing assembly for intercepting the free ends formed as a journal of cylinders or rollers mounted cantilevered in a printing machine, in particular a flexographic printing press, with the features of the preamble of claim 1. Furthermore, the invention relates to a printing press, in particular a flexographic printing press, with such a bearing arrangement.
  • the change of the image to be printed by changing a clichedragenden printing cylinder sleeve the so-called "sleeve".
  • the respective printing cylinder or the respective roller In order to change the sleeve, the respective printing cylinder or the respective roller must be at least temporarily freely accessible at one end. Therefore, such cylinders or rollers are usually mounted on one end flying.
  • a bearing arrangement for receiving a shaft journal of a cylinder or a roller is provided on the cantilevered end, which opens the Bearing and thus stripping and pulling a sleeve on the cylinder or roller allows.
  • such a bearing arrangement comprises a bearing housing which can be moved transversely to the cylinder or roller longitudinal axis and in which a roller bearing is accommodated.
  • the bearing housing may also be designed such that the rolling bearing is arranged in a parallel to the cylinder or roller longitudinal axis displaceably arranged housing part, so that for changing the sleeve, the roller bearing from the shaft journal of a cylinder or a roller can be pulled by a housing part first moved parallel to the cylinder or roll longitudinal axis and then the housing part receiving bearing assembly is moved transversely to the cylinder or roll longitudinal axis.
  • a bearing arrangement of the type mentioned is, for example, in the DE 197 05 369 A1 described.
  • the bearing assembly comprises at least one bearing block with parallel guides for receiving a holding head, which is axially displaceable by means of a pressure medium-piston-cylinder unit with respect to the parallel guides.
  • the holding head receives in a central recess on a rolling bearing, which is carried along at an axial displacement of the holding head.
  • the rolling bearing in turn serves for the floating mounting of the shaft journal of a printing or anilox roller and can be subtracted via an axial displacement of the holding head of the shaft journal or pushed onto the shaft journal.
  • the roller bearing inner ring takes on the pin.
  • the parallel guides in which the holding head is guided displaceably in the axial direction, are guided obliquely towards the journal-side end and thus form an axial stop.
  • the holding head received between the guides has a correspondingly oblique course towards the end toward the pin.
  • Object of the present invention is therefore to provide a bearing assembly of the type mentioned with a very small radial clearance, which ensures a safe release of the bearing assembly at the same time.
  • the proposed bearing arrangement comprises at least one first housing part, which can be displaced transversely to the cylinder or roller longitudinal axis, and a second housing part, which is displaceably arranged parallel to the cylinder or roller longitudinal axis, and a roller bearing.
  • the second housing part has substantially over its entire axial extent a conically extending outer peripheral surface with an inclination angle ⁇ ⁇ 10 °, preferably ⁇ 5 ° with respect to the cylinder or roller longitudinal axis A.
  • the first housing part has a corresponding to the conical outer circumferential surface the second housing part formed conically extending inner peripheral region for forming an axial stop.
  • the second housing part is formed over its entire axial extent as a cone, there is less the risk that the second housing part jammed in an axial displacement within the first housing part.
  • the conical inner circumference region of the first housing part formed corresponding to the cone of the second housing part effects a self-centering of the second housing part when it is displaced in the direction of the axial stop.
  • a flat angle of inclination as possible of the conical peripheral surfaces is provided with respect to the cylinder or roller longitudinal axis, which is sufficiently flat to stabilize the second housing part in a shift, but is not chosen so flat that a self-locking occurs.
  • the conically extending inner peripheral portion of the first housing part and / or the conical outer peripheral surface of the second housing part in a partial area have at least one free surface.
  • the arrangement of the exposed surfaces causes the contact surface of the second housing part on the first housing part to shrink in the conically extending inner peripheral area.
  • the self-locking effect is thereby reduced.
  • bearing surfaces remain, which are preferably arranged such that further an application-oriented high stiffness of the bearing assembly is achieved.
  • At least one free surface is annular. This means that the conical surface of the first and / or the second housing part is exposed in an annular or peripheral portion.
  • an annular groove is formed between the first and the second housing part.
  • this annular groove is surrounded on both sides by supporting surfaces
  • At least one bore for the connection of a pressure medium is provided in the first and / or the second housing part.
  • the bore is preferably arranged in the region of an exposed surface, furthermore preferably in the region of an annular groove. If a pressure medium introduced into this annular groove, a compressive force can be exerted on the conical surfaces bounding the annular groove, which lead to a widening of the first housing part and thus a reduction of the surface pressure, on the one hand to an axially acting force component on the conical surface of the second housing part pushing the cone out of his seat. The release of the bearing arrangement can thus be effected via the introduced pressure medium.
  • the pressure is generated pneumatically or hydraulically.
  • the second housing part is provided with a pneumatically actuated piston, by means of which the second housing part can be acted upon by an axially acting force for axial displacement.
  • the second housing part is then connected to the pneumatically actuated piston in a manner that the second housing part is guided in an axial movement de piston.
  • the connection of the second housing part with the piston can be done for example via a piston rod.
  • the second housing is bolted to the piston rod.
  • the piston is guided axially displaceably in a piston housing, which is non-positively and / or positively connected to the first housing part.
  • a piston housing which is non-positively and / or positively connected to the first housing part.
  • at least one connection for a pressure medium is provided in the piston housing.
  • a further housing part for receiving the first and the second housing part is provided in a bearing arrangement according to the invention.
  • the further housing part and the piston housing may be arranged with the pneumatically actuated piston, if such is provided.
  • the further housing part is preferably guided in a guide device and can be moved at least transversely to the cylinder or roller longitudinal axis A.
  • the rolling bearing of the bearing assembly comprises at least one non-positively and / or positively connected to the second housing part outer ring and cage-guided rolling elements which run on the pin or on an inner ring which is non-positively and / or positively connected to the pin.
  • an inner ring is provided, this likewise forms part of the bearing arrangement according to the invention.
  • the pin form the rolling body tread, it is hardened and ground, at least in the area of the rolling body tread.
  • the outer ring of the rolling bearing is preferably formed thick-walled and thus has a high dimensional stability. If the rolling bearing also includes an inner ring, this is preferably solid. In addition, the outer ring and the inner ring of the bearing are designed as a highly accurate paired bearing unit with very little radial clearance.
  • an inner ring is provided as a separate component, this is also preferably in a transverse to the cylinder or roll axis A aligned mounting plane B2 positive and positive, preferably by means of one or more screws, fastened to the journal of the cylinder or the roller.
  • the inner ring is thus also preferably attached axially on the pin. For receiving the at least one fastening screw, it proves to be advantageous if the inner ring is made solid.
  • the release of the pin of a cylinder or a roller is advantageously carried out in a bearing assembly according to the invention in that the outer ring is pulled including cage-guided rolling elements from the inner ring or from the pin. The separation thus takes place in the area of the rolling bearing.
  • To remove the outer ring from the inner ring it only requires the axial displacement of the second housing part relative to the first housing part.
  • the bearing housing including the outer ring of the bearing moved transversely to the cylinder or roller axis A, the cylinder or roller for changing a sleeve is freely accessible.
  • the proposed bearing arrangement according to the invention is therefore particularly suitable for printing machines with single-acting cantilevered cylinders or rollers. It is therefore further claimed a printing machine, in particular flexographic printing machine, with a bearing assembly according to the invention for solving the problem presented at the outset.
  • the inventive geometry of the bearing housing or its housing parts contributes to the fact that a high print quality can be achieved due to the dimensional stability of the bearing assembly, while at the same time the bearing assembly for sleeve change is easily solvable.
  • the illustrated bearing arrangement 10 comprises a first housing part 11 and a second housing part 12 guided axially therein.
  • the second housing part 12 is of massive construction and has over its entire axial extension substantially a conically extending outer peripheral surface.
  • the cone of the second housing part 12 is surrounded by a correspondingly conical inner peripheral region 11.1 of the first housing part 11, which also serves as an axial stop.
  • Connected to the conically extending inner peripheral region 11.1 of the first housing part 11 is a cylindrical inner circumferential region 11.2, which encloses a cavity in which the cone of the second housing part 12 can be withdrawn to release the bearing arrangement.
  • this is connected via a piston rod with a piston 19 which is pneumatically actuated.
  • the piston 19 is guided axially displaceably in a piston housing 21.
  • a fastening screw 22 which in a central bore of the second housing part 12 and the piston rod of the piston 19 is received. With an axial displacement of the piston 19 thus the second housing part 12 is carried.
  • the piston housing 21 is rigidly connected to the first housing part 11.
  • the piston housing 21 has a top plate 24 which protrudes radially to receive fastening screws 23, by means of which the head plate 24 of the piston housing 21 is fixed to the first housing part 11.
  • the first housing part 11 is designed like a sleeve in the illustrated embodiment and has a ring-shaped shoulder, by means of which it is supported on a further housing part 25 that the first housing part 11 and the piston housing 21 surrounds.
  • the bearing assembly 10 further comprises a roller bearing 13, with an outer ring 14, which is flanged axially in a mounting plane B1, which extends transversely to the cylinder or roller axis A, to the second housing part 12.
  • a roller bearing 13 with an outer ring 14, which is flanged axially in a mounting plane B1, which extends transversely to the cylinder or roller axis A, to the second housing part 12.
  • fastening screws 17 are provided, which are arranged parallel to the cylinder or roller longitudinal axis A.
  • the outer ring 14 is thick-walled, i. solid executed.
  • Inner peripheral side carries the outer ring 14 cage-guided rolling elements 15, which are cylindrical in the present case.
  • the illustrated bearing arrangement further comprises an inner ring 16, which is fastened to the pin 20 in a fastening plane B2, which is likewise arranged transversely to the cylinder or roller longitudinal axis A.
  • the inner ring 16 is axially attached to the pin 20.
  • the attachment takes place via a fastening screw 18, which is received in a central bore of the inner ring 16.
  • To achieve a high dimensional stability of the inner ring 16 is solid.
  • the longitudinal section shows the bearing assembly in the retracted state, ie the pneumatic piston 19 presses the second housing part 12 via the piston rod against the conical inner circumferential portion 11.1 of the first housing part 11.
  • the outer ring 14 of the rolling bearing 13 surrounds the inner ring 16, so that the rolling elements 15 abut the inner ring 16.
  • the piston 19 can be actuated, on the other hand, the cone of the second housing part 12 can be acted upon by a pressure force of a pressure medium, via a connection bore 26 is inserted in the first housing part 11 in a cone surrounding the annular groove.
  • This annular groove is formed by an annularly extending, freed surfaces 11.3 in the conically extending inner peripheral region 11.1 of the first housing part 11.
  • the introduced into the annular groove pressure medium causes a widening of the first housing part 11 and thus a reduction of the surface pressure on the cone of the housing part 12.
  • the voltage applied to the conical surface 12.1 compressive force also causes the cone is pushed out of his seat. Reliable release of the cone connection is thus ensured.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

The arrangement (10) has two housing parts (11, 12) movable transverse and parallel to a longitudinal axis (A) of a cylinder or roller, respectively. One of the housing parts has a conically running outer circumferential surface (12.1) with an inclination angle of less than or equal to 5 degrees with respect to the longitudinal axis. The other housing part has a conically running inner circumferential surface (11.1) formed corresponding to the outer circumferential surface and for forming an axial stop unit.

Description

Gebiet der ErfindungField of the invention

Die Erfindung betrifft eine lös- und verfahrbare Lageranordnung zur Abfangung der als Zapfen ausgebildeten freien Enden von einendig fliegend gelagerten Zylindern oder Walzen in einer Druckmaschine, insbesondere einer Flexodruckmaschine, mit den Merkmalen des Oberbegriffes des Anspruchs 1. Des Weiteren betrifft die Erfindung eine Druckmaschine, insbesondere eine Flexodruckmaschine, mit einer solchen Lageranordnung.The invention relates to a releasable and movable bearing assembly for intercepting the free ends formed as a journal of cylinders or rollers mounted cantilevered in a printing machine, in particular a flexographic printing press, with the features of the preamble of claim 1. Furthermore, the invention relates to a printing press, in particular a flexographic printing press, with such a bearing arrangement.

Bei Druckmaschinen, insbesondre Flexodruckmaschinen, erfolgt der Wechsel des zu druckenden Bildes durch den Wechsel einer klischeetragenden Druckzylinderhülse, dem sogenannten "Sleeve". Um den Sleeve wechseln zu können, muss der jeweilige Druckzylinder oder die jeweilige Walze zumindest zeitweise an einem Ende frei zugänglich sein. Daher sind derartige Zylinder oder Walzen in der Regel einendig fliegend gelagert. Das heißt, dass an dem fliegend gelagerten Ende eine Lageranordnung zur Aufnahme eines Wellenzapfens eines Zylinders oder einer Walze vorgesehen ist, die ein Öffnen der Lagerstelle und damit ein Abstreifen und Aufziehen eines Sleeves auf den Zylinder oder die Walze ermöglicht. Eine solche Lageranordnung umfasst in der Regel ein quer zur Zylinder- oder Walzenlängsachse verfahrbares Lagergehäuse, in dem ein Wälzlager aufgenommen ist. Das Lagergehäuse kann ferner derart ausgebildet sein, dass das Wälzlager in einem parallel zur Zylinder- bzw. Walzenlängsachse verschiebbar angeordneten Gehäuseteil angeordnet ist, so dass zum Wechseln des Sleeves das Wälzlager vom Wellenzapfen eines Zylinders oder einer Walze gezogen werden kann, indem das eine Gehäuseteil zunächst parallel zur Zylinder- bzw. Walzenlängsachse verschoben und danach die das Gehäuseteil aufnehmende Lageranordnung quer zur Zylinder- bzw. Walzenlängsachse verfahren wird.In printing machines, in particular flexographic printing presses, the change of the image to be printed by changing a clichedragenden printing cylinder sleeve, the so-called "sleeve". In order to change the sleeve, the respective printing cylinder or the respective roller must be at least temporarily freely accessible at one end. Therefore, such cylinders or rollers are usually mounted on one end flying. This means that a bearing arrangement for receiving a shaft journal of a cylinder or a roller is provided on the cantilevered end, which opens the Bearing and thus stripping and pulling a sleeve on the cylinder or roller allows. As a rule, such a bearing arrangement comprises a bearing housing which can be moved transversely to the cylinder or roller longitudinal axis and in which a roller bearing is accommodated. The bearing housing may also be designed such that the rolling bearing is arranged in a parallel to the cylinder or roller longitudinal axis displaceably arranged housing part, so that for changing the sleeve, the roller bearing from the shaft journal of a cylinder or a roller can be pulled by a housing part first moved parallel to the cylinder or roll longitudinal axis and then the housing part receiving bearing assembly is moved transversely to the cylinder or roll longitudinal axis.

Eine Lageranordnung der eingangs genannten Art wird beispielsweise in der DE 197 05 369 A1 beschrieben. Die Lageranordnung umfasst mindestens einen Lagerbock mit parallelen Führungen zur Aufnahme eines Haltekopfes, der mittels einer Druckmittel-Kolben-Zylindereinheit gegenüber den parallelen Führungen axial verschiebbar ist. Der Haltekopf nimmt in einer zentralen Ausnehmung ein Wälzlager auf, das bei einer axialen Verschiebung des Haltekopfes mitgeführt wird. Das Wälzlager wiederum dient der fliegenden Lagerung des Wellenzapfens einer Druck- oder Rasterwalze und kann über eine axiale Verschiebung des Haltekopfes vom Wellenzapfen abgezogen oder auf den Wellenzapfen aufgeschoben werden. Der Wälzlagerinnenring nimmt dabei den Zapfen auf. Die parallelen Führungen, in denen der Haltekopf in axialer Richtung verschiebbar geführt ist, sind zum zapfenseitigen Ende hin schräg geführt und bilden somit einen axialen Anschlag aus. Der zwischen den Führungen aufgenommene Haltekopf weist zum zapfenseitigen Ende hin einen korrespondierend schrägen Verlauf auf. Bei einem geringen radialen Spiel, das zur Erzielung einer hervorragenden Druckqualität erforderlich ist, besteht bei der beschriebenen Lageranordnung die Gefahr, dass der Haltekopf, insbesondere im Führungsbereich, in dem die Führungen parallel verlaufen, verklemmt und damit ein Lösen der Lageranordnung nicht mehr sicher gestellt ist.A bearing arrangement of the type mentioned is, for example, in the DE 197 05 369 A1 described. The bearing assembly comprises at least one bearing block with parallel guides for receiving a holding head, which is axially displaceable by means of a pressure medium-piston-cylinder unit with respect to the parallel guides. The holding head receives in a central recess on a rolling bearing, which is carried along at an axial displacement of the holding head. The rolling bearing in turn serves for the floating mounting of the shaft journal of a printing or anilox roller and can be subtracted via an axial displacement of the holding head of the shaft journal or pushed onto the shaft journal. The roller bearing inner ring takes on the pin. The parallel guides, in which the holding head is guided displaceably in the axial direction, are guided obliquely towards the journal-side end and thus form an axial stop. The holding head received between the guides has a correspondingly oblique course towards the end toward the pin. At a low radial clearance, which is required to achieve excellent print quality, there is the risk in the bearing arrangement described that the holding head, in particular in the guide area, in which the guides are parallel, jammed and thus a release of the bearing assembly is no longer safe ,

Aufgabe der vorliegenden Erfindung ist es daher, eine Lageranordnung der eingangs genannten Art mit einem sehr geringen radialen Spiel bereit zu stellen, die zugleich ein sicheres Lösen der Lageranordnung gewährleistet.Object of the present invention is therefore to provide a bearing assembly of the type mentioned with a very small radial clearance, which ensures a safe release of the bearing assembly at the same time.

Die Aufgabe wird gelöst durch eine Lageranordnung mit den Merkmalen des Anspruchs 1 sowie eine Druckmaschine mit den Merkmalen des Anspruchs 13. Vorteilhafte Weiterbildungen der erfindungsgemäßen Lageranordnung werden in den direkt oder indirekt auf Anspruch 1 rückbezogen Unteransprüchen beschrieben.The object is achieved by a bearing arrangement with the features of claim 1 and a printing press with the features of claim 13. Advantageous developments of the bearing arrangement according to the invention are described in the directly or indirectly dependent on claim 1 dependent claims.

Die vorgeschlagene Lageranordnung umfasst wenigstens ein quer zur Zylinder- oder Walzenlängsachse verfahrbares erstes Gehäuseteil und ein hierin parallel zur Zylinder- oder Walzenlängsachse verschiebbar angeordnetes zweites Gehäuseteil sowie ein Wälzlager. Erfindungsgemäß besitzt das zweite Gehäuseteil im Wesentlichen über seine gesamte axiale Erstreckung eine konisch verlaufende Außenumfangsfläche mit einem Neigungswinkel α ≤ 10°, vorzugsweise ≤ 5° in Bezug auf die Zylinder- oder Walzenlängsachse A. Darüber hinaus besitzt das erste Gehäuseteil einen korrespondierend zur konisch verlaufenden Außenumfangsfläche des zweiten Gehäuseteils ausgebildeten konisch verlaufenden Innenumfangsbereich zur Ausbildung eines axialen Anschlages. Indem das zweite Gehäuseteil im Wesentlichen über seine gesamte axiale Erstreckung als Konus ausgebildet ist, besteht weniger die Gefahr, dass das zweite Gehäuseteil bei einer axialen Verschiebung innerhalb des ersten Gehäuseteils verklemmt. Zudem bewirkt der korrespondierend zum Konus des zweiten Gehäuseteils ausgebildete konisch verlaufende Innenumfangsbereich des ersten Gehäuseteils eine Selbstzentrierung des zweiten Gehäuseteils, wenn dieses in Richtung des axialen Anschlages verschoben wird. Zudem ist ein möglichst flacher Neigungswinkel der konisch verlaufenden Umfangsflächen in Bezug auf die Zylinder- oder Walzenlängsachse vorgesehen, der ausreichend flach ist um das zweite Gehäuseteil bei einer Verschiebung zu stabilisieren, jedoch nicht derart flach gewählt ist, dass eine Selbsthemmung eintritt.The proposed bearing arrangement comprises at least one first housing part, which can be displaced transversely to the cylinder or roller longitudinal axis, and a second housing part, which is displaceably arranged parallel to the cylinder or roller longitudinal axis, and a roller bearing. According to the invention, the second housing part has substantially over its entire axial extent a conically extending outer peripheral surface with an inclination angle α ≦ 10 °, preferably ≦ 5 ° with respect to the cylinder or roller longitudinal axis A. In addition, the first housing part has a corresponding to the conical outer circumferential surface the second housing part formed conically extending inner peripheral region for forming an axial stop. By the second housing part is formed over its entire axial extent as a cone, there is less the risk that the second housing part jammed in an axial displacement within the first housing part. In addition, the conical inner circumference region of the first housing part formed corresponding to the cone of the second housing part effects a self-centering of the second housing part when it is displaced in the direction of the axial stop. In addition, a flat angle of inclination as possible of the conical peripheral surfaces is provided with respect to the cylinder or roller longitudinal axis, which is sufficiently flat to stabilize the second housing part in a shift, but is not chosen so flat that a self-locking occurs.

Um einer Selbsthemmung bei einem sehr flach gewählten Neigungswinkel entgegen zu wirken, wird gemäß einer vorteilhaften Weiterbildung der Erfindung vorgeschlagen, dass der konisch verlaufende Innenumfangsbereich des ersten Gehäuseteils und/oder die konisch verlaufende Außenumfangsfläche des zweiten Gehäuseteils in einem Teilbereich wenigstens eine freigestellte Fläche aufweisen. Die Anordnung freigestellter Flächen bewirkt, dass sich die Anlagefläche des zweiten Gehäuseteils am ersten Gehäuseteil im konisch verlaufenden Innenumfangsbereich verkleinert. Der selbsthemmende Effekt wird dadurch gemindert. In den nicht freigestellten Bereichen verbleiben tragende Flächen, die vorzugsweise derart angeordnet sind, dass weiterhin eine anwendungsgerechte hohe Formsteifigkeit der Lageranordnung erzielt wird.In order to counteract a self-locking at a very flat selected angle of inclination, it is proposed according to an advantageous development of the invention that the conically extending inner peripheral portion of the first housing part and / or the conical outer peripheral surface of the second housing part in a partial area have at least one free surface. The arrangement of the exposed surfaces causes the contact surface of the second housing part on the first housing part to shrink in the conically extending inner peripheral area. The self-locking effect is thereby reduced. In the non-exposed areas bearing surfaces remain, which are preferably arranged such that further an application-oriented high stiffness of the bearing assembly is achieved.

Nach einer bevorzugten Ausführungsform ist wenigstens eine freigestellte Fläche ringförmig ausgebildet. Das hießt, dass die Konusfläche des ersten und/oder des zweiten Gehäuseteils in einem ringförmigen bzw. umlaufenden Teilbereich freigestellt ist. Zwischen dem ersten und dem zweiten Gehäuseteil wird somit eine Ringnut ausgebildet. Vorzugsweise ist diese Ringnut beidseitig von tragenden Flächen umgebenAccording to a preferred embodiment, at least one free surface is annular. This means that the conical surface of the first and / or the second housing part is exposed in an annular or peripheral portion. Thus, an annular groove is formed between the first and the second housing part. Preferably, this annular groove is surrounded on both sides by supporting surfaces

Gemäß einer Weiterbildung der Erfindung ist in dem ersten und/oder dem zweiten Gehäuseteil wenigstens eine Bohrung für den Anschluss eines Druckmediums vorgesehen. Dabei ist die Bohrung bevorzugt im Bereich einer freigestellten Fläche angeordnet, weiterhin bevorzugt im Bereich einer Ringnut. Wird ein Druckmedium in diese Ringnut eingeleitet, kann eine Druckkraft auf die die Ringnut begrenzenden Konusflächen ausgeübt werden, die zum Einen zu einer Aufweitung des ersten Gehäuseteils und damit einer Verringerung der Flächenpressung, zum Anderen zu einer axial wirkenden Kraftkomponente an der Konusfläche des zweiten Gehäuseteils führen, die den Konus aus seinem Sitz heraus drängt. Über das eingeleitete Druckmedium kann somit das Lösen der Lageranordnung bewirkt werden. Vorzugsweise wird der Druck pneumatisch oder hydraulisch erzeugt.According to one embodiment of the invention, at least one bore for the connection of a pressure medium is provided in the first and / or the second housing part. In this case, the bore is preferably arranged in the region of an exposed surface, furthermore preferably in the region of an annular groove. If a pressure medium introduced into this annular groove, a compressive force can be exerted on the conical surfaces bounding the annular groove, which lead to a widening of the first housing part and thus a reduction of the surface pressure, on the one hand to an axially acting force component on the conical surface of the second housing part pushing the cone out of his seat. The release of the bearing arrangement can thus be effected via the introduced pressure medium. Preferably, the pressure is generated pneumatically or hydraulically.

Alternativ oder ergänzend hierzu kann vorgesehen sein, dass das zweite Gehäuseteil mit einem pneumatisch betätigbaren Kolben ist, mittels dessen das zweite Gehäuseteil mit einer axial wirkenden Kraft zur axialen Verschiebung beaufschlagbar ist. Vorzugsweise ist dann das zweite Gehäuseteil mit den pneumatisch betätigbaren Kolben in einer Weise verbunden, dass das zweite Gehäuseteil bei einer axialen Bewegung de Kolbens mit geführt wird. Die Verbindung des zweiten Gehäuseteils mit dem Kolben kann beispielsweise über eine Kolbenstange erfolgen. Weiterhin vorzugsweise ist das zweite Gehäuse mit der Kolbenstange verschraubt.Alternatively or additionally, it may be provided that the second housing part is provided with a pneumatically actuated piston, by means of which the second housing part can be acted upon by an axially acting force for axial displacement. Preferably, the second housing part is then connected to the pneumatically actuated piston in a manner that the second housing part is guided in an axial movement de piston. The connection of the second housing part with the piston can be done for example via a piston rod. Further preferably, the second housing is bolted to the piston rod.

Bevorzugt wird der Kolben in einem Kolbengehäuse, das kraft- und/oder formschlüssig mit dem ersten Gehäuseteil verbunden ist, axial verschiebbar geführt. Im Kolbengehäuse ist ferner wenigstens ein Anschluss für ein Druckmedium vorgesehen.Preferably, the piston is guided axially displaceably in a piston housing, which is non-positively and / or positively connected to the first housing part. In addition, at least one connection for a pressure medium is provided in the piston housing.

Vorteilhafterweise ist bei einer erfindungsgemäßen Lageranordnung ein weiteres Gehäuseteil zur Aufnahme des ersten und des zweiten Gehäuseteils vorgesehen. In dem weiteren Gehäuseteil kann auch das Kolbengehäuse mit dem pneumatisch betätigbaren Kolben angeordnet sein, sofern ein solcher vorgesehen ist. Bevorzugt ist das weitere Gehäuseteil in einer Führungseinrichtung geführt und zumindest quer zur Zylinder- oder Walzenlängsachse A verfahrbar.Advantageously, a further housing part for receiving the first and the second housing part is provided in a bearing arrangement according to the invention. In the further housing part and the piston housing may be arranged with the pneumatically actuated piston, if such is provided. The further housing part is preferably guided in a guide device and can be moved at least transversely to the cylinder or roller longitudinal axis A.

Vorzugsweise umfasst das Wälzlager der Lageranordnung wenigstens einen kraft- und/oder formschlüssig mit dem zweiten Gehäuseteil verbundenen Außenring sowie käfiggeführte Wälzkörper, die auf dem Zapfen ablaufen oder auf einem Innenring, der kraft- und/oder formschlüssig mit dem Zapfen verbindbar ist. Ist ein Innenring vorgesehen, bildet dieser ebenfalls einen Bestandteil der erfindungsgemäßen Lageranordnung. Sollte jedoch der Zapfen die Wälzkörperlauffläche bilden, ist dieser zumindest im Bereich der Wälzkörperlauffläche gehärtet und geschliffen ausgeführt. Damit steigt zwar der Fertigungsaufwand für den Zapfen eines Zylinders oder einer Walze, der jedoch dadurch kompensiert werden kann, dass auf einen präzise gefertigten Innenring vollständig verzichtet werden kann.Preferably, the rolling bearing of the bearing assembly comprises at least one non-positively and / or positively connected to the second housing part outer ring and cage-guided rolling elements which run on the pin or on an inner ring which is non-positively and / or positively connected to the pin. If an inner ring is provided, this likewise forms part of the bearing arrangement according to the invention. However, if the pin form the rolling body tread, it is hardened and ground, at least in the area of the rolling body tread. Although this increases the production cost for the journal of a cylinder or a roller, but this can be compensated by the fact that can be completely dispensed with a precisely manufactured inner ring.

Der Außenring des Wälzlagers ist bevorzugt dickwandig ausgebildet und besitzt somit eine hohe Formstabilität. Sofern das Wälzlager auch einen Innenring umfasst, ist dieser bevorzugt massiv ausgebildet. Zudem sind der Außenring und der Innenring des Wälzlagers als hochgenau gepaarte Lagereinheit mit sehr geringem radialen Spiel ausgeführt.The outer ring of the rolling bearing is preferably formed thick-walled and thus has a high dimensional stability. If the rolling bearing also includes an inner ring, this is preferably solid. In addition, the outer ring and the inner ring of the bearing are designed as a highly accurate paired bearing unit with very little radial clearance.

Als weitere Maßnahme zur Begrenzung des radialen Spiels der Lageranordnung ist gemäß eines bevorzugten Ausführungsform vorgesehen, dass der Außenring in einer quer zur Zylinder- oder Walzenlängsachse A ausgerichteten Befestigungsebene B1 kraft- und formschlüssig, vorzugsweise mittels einer oder mehrerer Schrauben, an dem zweiten Gehäuseteil befestigt ist. Das Wälzlager der vorgeschlagenen Lageranordnung wird demnach nicht wie bei den vorbekannten Lageranordnungen in einer axialen Bohrung des Lagergehäuses aufgenommen, sondern axial angeschlagen. Fertigungstoleranzen im Bereich der Aufnahme wirken sich in der Regel negativ auf das Lagerspiel aus. Dieses Problem entfällt, wenn der Außenring axial angesetzt ist.As a further measure for limiting the radial clearance of the bearing assembly is provided according to a preferred embodiment, that the outer ring in a transverse to the cylinder or roll axis A aligned mounting plane B1 force and form fit, preferably by means of one or more screws, is attached to the second housing part , The rolling bearing of the proposed bearing assembly is therefore not recorded as in the prior art bearing assemblies in an axial bore of the bearing housing, but struck axially. Manufacturing tolerances in the recording usually have a negative effect on the bearing clearance. This problem is eliminated if the outer ring is attached axially.

Sofern ein Innenring als separates Bauteil vorgesehen ist, ist auch dieser bevorzugt in einer quer zur Zylinder- oder Walzenlängsachse A ausgerichteten Befestigungsebene B2 kraft- und formschlüssig, vorzugsweise mittels einer oder mehrerer Schrauben, an dem Zapfen des Zylinders oder der Walze befestigbar. Der Innenring wird somit ebenfalls bevorzugt axial am Zapfen angesetzt. Zur Aufnahme der wenigstens einen Befestigungsschraube erweist es sich von Vorteil, wenn der Innenring massiv ausgeführt ist.If an inner ring is provided as a separate component, this is also preferably in a transverse to the cylinder or roll axis A aligned mounting plane B2 positive and positive, preferably by means of one or more screws, fastened to the journal of the cylinder or the roller. The inner ring is thus also preferably attached axially on the pin. For receiving the at least one fastening screw, it proves to be advantageous if the inner ring is made solid.

Die Freigabe des Zapfens eines Zylinders oder einer Walze erfolgt bei einer erfindungsgemäßen Lageranordnung vorteilhafterweise dadurch, dass der Außenring einschließlich käfiggeführter Wälzkörper vom Innenring bzw. vom Zapfen gezogen wird. Die Trennung findet somit im Bereich des Wälzlagers statt. Zum Abziehen des Außenringes vom Innenring bedarf es lediglich der axialen Verschiebung des zweiten Gehäuseteils gegenüber dem ersten Gehäuseteil. Wird danach das Lagergehäuse einschließlich des Außenringes des Wälzlagers quer zur Zylinder- oder Walzenlängsachse A verfahren, ist der Zylinder oder die Walze zum Wechseln eines Sleeves frei zugänglich.The release of the pin of a cylinder or a roller is advantageously carried out in a bearing assembly according to the invention in that the outer ring is pulled including cage-guided rolling elements from the inner ring or from the pin. The separation thus takes place in the area of the rolling bearing. To remove the outer ring from the inner ring, it only requires the axial displacement of the second housing part relative to the first housing part. Will thereafter the bearing housing including the outer ring of the bearing moved transversely to the cylinder or roller axis A, the cylinder or roller for changing a sleeve is freely accessible.

Die vorgeschlagene erfindungsgemäße Lageranordnung eignet sich demnach insbesondere für Druckmaschinen mit einendig fliegend gelagerten Zylindern oder Walzen. Es wird daher ferner eine Druckmaschine, insbesondere Flexodruckmaschine, mit einer erfindungsgemäßen Lageranordnung zur Lösung der eingangs gestellten Aufgabe beansprucht. Dabei trägt insbesondere die erfindungsgemäße Geometrie des Lagergehäuses bzw. seiner Gehäuseteile dazu bei, dass aufgrund der Formsteifigkeit der Lageranordnung eine hohe Druckqualität erzielbar ist, während zugleich die Lageranordnung zum Sleeve-Wechsel leicht lösbar ist.The proposed bearing arrangement according to the invention is therefore particularly suitable for printing machines with single-acting cantilevered cylinders or rollers. It is therefore further claimed a printing machine, in particular flexographic printing machine, with a bearing assembly according to the invention for solving the problem presented at the outset. In particular, the inventive geometry of the bearing housing or its housing parts contributes to the fact that a high print quality can be achieved due to the dimensional stability of the bearing assembly, while at the same time the bearing assembly for sleeve change is easily solvable.

Ein konkretes Ausführungsbeispiel einer erfindungsgemäßen Lageranordnung wird nachfolgend anhand der einzigen beigefügten Zeichnung näher erläutert. Diese zeigt eine erfindungsgemäße Lageranordnung in einem Längsschnitt.A concrete embodiment of a bearing arrangement according to the invention will be explained in more detail with reference to the single attached drawing. This shows a bearing arrangement according to the invention in a longitudinal section.

Die dargestellte Lageranordnung 10 umfasst ein erstes Gehäuseteil 11 und ein hierin axial geführtes zweites Gehäuseteil 12. Das zweite Gehäuseteil 12 ist massiv ausgebildet und weist über seine gesamte axiale Erstreckung im Wesentlichen einen konisch verlaufende Außenumfangsfläche auf. Der Konus des zweiten Gehäuseteils 12 wird von einem korrespondierend konisch verlaufenden Innenumfangsbereich 11.1 des ersten Gehäuseteils 11 umgeben, der zugleich als axialer Anschlag dient. An den konisch verlaufenden Innenumfangsbereich 11.1 des ersten Gehäuseteils 11 schließt sich ein zylinderförmiger Innenumfangsbereich 11.2 an, der einen Hohlraum umschließt in dem der Konus des zweiten Gehäuseteils 12 zum Lösen der Lageranordnung zurückgezogen werden kann. Um die hierzu erforderliche axiale Verschiebung des zweiten Gehäuseteils 12 zu bewirken, ist dieses über eine Kolbenstange mit einem Kolben 19 verbunden, der pneumatisch betätigbar ist. Der Kolben 19 ist in einem Kolbengehäuse 21 axial verschiebbar geführt. Zur Verbindung des zweiten Gehäuseteils 12 mit dem Kolben 19 dient eine Befestigungsschraube 22, die in einer zentralen Bohrung des zweiten Gehäuseteils 12 und der Kolbenstange des Kolbens 19 aufgenommen ist. Bei einer axialen Verschiebung des Kolbens 19 wird somit das zweite Gehäuseteil 12 mitgeführt.The illustrated bearing arrangement 10 comprises a first housing part 11 and a second housing part 12 guided axially therein. The second housing part 12 is of massive construction and has over its entire axial extension substantially a conically extending outer peripheral surface. The cone of the second housing part 12 is surrounded by a correspondingly conical inner peripheral region 11.1 of the first housing part 11, which also serves as an axial stop. Connected to the conically extending inner peripheral region 11.1 of the first housing part 11 is a cylindrical inner circumferential region 11.2, which encloses a cavity in which the cone of the second housing part 12 can be withdrawn to release the bearing arrangement. In order to effect the required axial displacement of the second housing part 12, this is connected via a piston rod with a piston 19 which is pneumatically actuated. The piston 19 is guided axially displaceably in a piston housing 21. To connect the second housing part 12 with the piston 19 is a fastening screw 22, which in a central bore of the second housing part 12 and the piston rod of the piston 19 is received. With an axial displacement of the piston 19 thus the second housing part 12 is carried.

Das Kolbengehäuse 21 ist starr mit dem ersten Gehäuseteil 11 verbunden. Hierzu weist das Kolbengehäuse 21 eine Kopfplatte 24 auf, die radial vorsteht um Befestigungsschrauben 23 aufzunehmen, mittels derer die Kopfplatte 24 des Kolbengehäuses 21 am ersten Gehäuseteil 11 befestigt ist. Das erste Gehäuseteil 11 ist in dem dargestellten Ausführungsbeispiel hülsenartig ausgeführt und weist eine ringförmig ausgebildete Schulter auf, mittels derer es sich an einem weiteren Gehäuseteil 25, dass das erste Gehäuseteil 11 und das Kolbengehäuse 21 umgibt, abstützt.The piston housing 21 is rigidly connected to the first housing part 11. For this purpose, the piston housing 21 has a top plate 24 which protrudes radially to receive fastening screws 23, by means of which the head plate 24 of the piston housing 21 is fixed to the first housing part 11. The first housing part 11 is designed like a sleeve in the illustrated embodiment and has a ring-shaped shoulder, by means of which it is supported on a further housing part 25 that the first housing part 11 and the piston housing 21 surrounds.

Die Lageranordnung 10 umfasst des Weiteren ein Wälzlager 13, mit einem Außenring 14, der in einer Befestigungsebene B1, die quer zur Zylinder- bzw. Walzenlängsachse A verläuft, axial an das zweite Gehäuseteil 12 angeflanscht ist. Zur kraft- und formschlüssigen Verbindung des Außenrings 14 mit dem zweiten Gehäuseteil 12 sind Befestigungsschrauben 17 vorgesehen, die parallel zur Zylinder- bzw. Walzenlängsachse A angeordnet sind. Um eine ausreichende Formstabilität des Außenrings auch bei Aufnahme der Befestigungsschrauben 17 zu gewährleisten, ist der Außenring 14 dickwandig, d.h. massiv ausgeführt. Innenumfangseitig trägt der Außenring 14 käfiggeführte Wälzkörper 15, die vorliegend zylinderförmig ausgebildet sind.The bearing assembly 10 further comprises a roller bearing 13, with an outer ring 14, which is flanged axially in a mounting plane B1, which extends transversely to the cylinder or roller axis A, to the second housing part 12. For positive and non-positive connection of the outer ring 14 with the second housing part 12 fastening screws 17 are provided, which are arranged parallel to the cylinder or roller longitudinal axis A. In order to ensure a sufficient dimensional stability of the outer ring even when receiving the fastening screws 17, the outer ring 14 is thick-walled, i. solid executed. Inner peripheral side carries the outer ring 14 cage-guided rolling elements 15, which are cylindrical in the present case.

Die dargestellte Lageranordnung umfasst ferner einen Innenring 16, der in einer Befestigungsebene B2, die ebenfalls quer zur Zylinder- bzw. Walzenlängsachse A angeordnet ist, am Zapfen 20 befestigt ist. Somit ist auch der Innenring 16 axial am Zapfen 20 angesetzt. Die Befestigung erfolgt über eine Befestigungsschraube 18, die in einer zentralen Bohrung des Innenringes 16 aufgenommen ist. Zur Erzielung einer hohen Formstabilität ist der Innenring 16 massiv ausgeführt.The illustrated bearing arrangement further comprises an inner ring 16, which is fastened to the pin 20 in a fastening plane B2, which is likewise arranged transversely to the cylinder or roller longitudinal axis A. Thus, the inner ring 16 is axially attached to the pin 20. The attachment takes place via a fastening screw 18, which is received in a central bore of the inner ring 16. To achieve a high dimensional stability of the inner ring 16 is solid.

Der Längsschnitt zeigt die Lageranordnung im eingefahrenen Zustand, d.h. der Pneumatikkolben 19 drückt über die Kolbenstange das zweite Gehäuseteil 12 gegen den konisch verlaufenden Innenumfangsbereich 11.1 des ersten Gehäuseteils 11. Im eingefahrenen Zustand umschließt der Außenring 14 des Wälzlagers 13 den Innenring 16, so dass die Wälzkörper 15 am Innenring 16 anliegen. Zum Lösen der Lageranordnung, d.h. zum Abziehen des Außenringes 14 vom Innenring 16 und damit vom Zapfen 20, kann zum Einen der Kolben 19 betätigt werden, zum anderen kann der Konus des zweiten Gehäuseteils 12 von einer Druckkraft eines Druckmediums beaufschlagt werden, das über eine Anschlussbohrung 26 im ersten Gehäuseteil 11 in eine den Konus umgebenen Ringnut eingeführt wird. Diese Ringnut wird durch eine ringförmig verlaufende freigestellte Flächen 11.3 im konisch verlaufenden Innenumfangsbereich 11.1 des ersten Gehäuseteils 11 gebildet. Das in die Ringnut eingeführte Druckmedium bewirkt eine Aufweitung des ersten Gehäuseteils 11 und damit eine Reduzierung der Flächenpressung am Konus des Gehäuseteils 12. Die an der Konusfläche 12.1 anliegende Druckkraft bewirkt zudem, dass der Konus aus seinem Sitz herausgedrückt wird. Ein zuverlässiges Lösen der Konusverbindung ist somit gewährleistet.The longitudinal section shows the bearing assembly in the retracted state, ie the pneumatic piston 19 presses the second housing part 12 via the piston rod against the conical inner circumferential portion 11.1 of the first housing part 11. In the retracted state, the outer ring 14 of the rolling bearing 13 surrounds the inner ring 16, so that the rolling elements 15 abut the inner ring 16. For releasing the bearing assembly, ie for removing the outer ring 14 from the inner ring 16 and thus from the pin 20, on the one hand the piston 19 can be actuated, on the other hand, the cone of the second housing part 12 can be acted upon by a pressure force of a pressure medium, via a connection bore 26 is inserted in the first housing part 11 in a cone surrounding the annular groove. This annular groove is formed by an annularly extending, freed surfaces 11.3 in the conically extending inner peripheral region 11.1 of the first housing part 11. The introduced into the annular groove pressure medium causes a widening of the first housing part 11 and thus a reduction of the surface pressure on the cone of the housing part 12. The voltage applied to the conical surface 12.1 compressive force also causes the cone is pushed out of his seat. Reliable release of the cone connection is thus ensured.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
Lageranordnungbearing arrangement
1111
erstes Gehäuseteilfirst housing part
11.111.1
konisch verlaufender Innenumfangsbereichconically extending inner peripheral area
11.211.2
zylinderförmiger Innenumfangsbereichcylindrical inner peripheral area
11.311.3
freigestellte Innenumfangsflächeisolated inner peripheral surface
1212
zweites Gehäuseteilsecond housing part
12.112.1
konisch verlaufender Außenumfangsbereichconical outer peripheral area
1313
Wälzlagerroller bearing
1414
Außenringouter ring
1515
Wälzkörperrolling elements
1616
Innenringinner ring
1717
Schraube zur Befestigung des AußenringesScrew for fixing the outer ring
1818
Schraube zur Befestigung des InnenringesScrew for fixing the inner ring
1919
Kolbenpiston
2020
Zapfenspigot
2121
Kolbengehäusepiston housing
2222
Befestigungsschraubefixing screw
2323
Befestigungsschraubefixing screw
2424
Kopfplatteheadstock
2525
weiteres Gehäuseteilfurther housing part
2626
Anschlussbohrung für DruckmediumConnection hole for pressure medium
AA
Zylinder- oder WalzenlängsachseCylinder or roller longitudinal axis
B1B1
Befestigungsebene Außenring/zweites GehäuseteilFixing level outer ring / second housing part
B2B2
Befestigungsebene Innenring/ZapfenMounting plane inner ring / pin

Claims (13)

Lös- und verfahrbare Lageranordnung (10) zur Abfangung der als Zapfen (20) ausgebildeten freien Enden von einendig fliegend gelagerten Zylindern oder Walzen in einer Druckmaschine, insbesondere einer Flexodruckmaschine, wobei die Lageranordnung wenigstens ein quer zur Zylinder- oder Walzenlängsachse (A) verfahrbares erstes Gehäuseteil (11) und ein hierin parallel zur Zylinder- oder Walzenlängsachse (A) verschiebbar angeordnetes zweites Gehäuseteil (12) sowie ein Wälzlager (13) umfasst, dadurch gekennzeichnet, dass das zweite Gehäuseteil (12) im Wesentlichen über seine gesamte axiale Erstreckung eine konisch verlaufende Außenumfangsfläche (12.1) mit einem Neigungswinkel (α) ≤ 10°, vorzugsweise ≤ 5°, in Bezug auf die Zylinder- oder Walzenlängsachse (A) und das erste Gehäuseteil (11) einen korrespondierend zur konisch verlaufenden Außenumfangsfläche (12.1) des zweiten Gehäuseteils (12) ausgebildeten, konisch verlaufenden Innenumfangsbereich (11.1) zur Ausbildung eines axialen Anschlages besitzt.Removable and movable bearing assembly (10) for intercepting the free ends of single-acting cantilevered cylinders or rollers in a printing press, in particular a flexographic printing press, wherein the bearing assembly at least one transversely to the cylinder or roll longitudinal axis (A) movable first Housing part (11) and a parallel thereto to the cylinder or roll longitudinal axis (A) slidably disposed second housing part (12) and a roller bearing (13), characterized in that the second housing part (12) substantially over its entire axial extent a conical extending outer peripheral surface (12.1) with an inclination angle (α) ≤ 10 °, preferably ≤ 5 °, with respect to the cylinder or roll longitudinal axis (A) and the first housing part (11) corresponding to the conically extending outer peripheral surface (12.1) of the second housing part (12) formed, conically extending inner peripheral region (11.1) for forming a s axial stop has. Lageranordnung nach Anspruch 1, dadurch gekennzeichnet, dass der konisch verlaufende Innenumfangsbereich (11.1) des ersten Gehäuseteils (11) und/oder die konisch verlaufende Außenumfangsfläche (12.1) des zweiten Gehäuseteils (12) in einem Teilbereich wenigstens eine freigestellte Fläche (11.3) aufweisen.Bearing arrangement according to claim 1, characterized in that the conically extending inner peripheral region (11.1) of the first housing part (11) and / or the conical outer peripheral surface (12.1) of the second housing part (12) in a partial region at least one free surface (11.3). Lageranordnung nach Anspruch 2, dadurch gekennzeichnet, dass wenigstens eine freigestellte Fläche (11.3) ringförmig ausgebildet ist.Bearing arrangement according to claim 2, characterized in that at least one free surface (11.3) is annular. Lageranordnung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass in dem ersten Gehäuseteil (11) und/oder dem zweiten Gehäuseteil (12) wenigstens eine Bohrung (26) für den Anschluss eines Druckmediums vorgesehen ist, wobei die Bohrung (26) im Bereich einer freigestellten Fläche (11.3) angeordnet ist.Bearing arrangement according to claim 2 or 3, characterized in that in the first housing part (11) and / or the second housing part (12) at least one bore (26) is provided for the connection of a pressure medium, wherein the bore (26) in the region of free surface (11.3) is arranged. Lageranordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das zweite Gehäuseteil (12) mit einem pneumatisch betätigbaren Kolben (19) verbunden ist, mittels dessen das zweite Gehäuseteil mit einer axial wirkenden Kraft beaufschlagbar ist.Bearing arrangement according to one of the preceding claims, characterized in that the second housing part (12) with a pneumatically actuated piston (19) is connected, by means of which the second housing part can be acted upon with an axially acting force. Lageranordnung nach Anspruch 5, dadurch gekennzeichnet, dass der Kolben (19) in einem Kolbengehäuse (21), das kraft- und/oder formschlüssig mit dem ersten Gehäuseteil (11) verbunden ist, axial verschiebbar geführt ist.Bearing arrangement according to claim 5, characterized in that the piston (19) in a piston housing (21) which is non-positively and / or positively connected to the first housing part (11) is guided axially displaceably. Lageranordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein weiteres Gehäuseteil (25) zur Aufnahme des ersten und des zweiten Gehäuseteils (11, 12) vorgesehen ist.Bearing arrangement according to one of the preceding claims, characterized in that a further housing part (25) for receiving the first and the second housing part (11, 12) is provided. Lageranordnung nach Anspruch 7, dadurch gekennzeichnet, dass das weitere Gehäuseteil (25) in einer Führungseinrichtung geführt und zumindest quer zur Zylinder- oder Walzenlängsachse (A) verfahrbar ist.Bearing arrangement according to claim 7, characterized in that the further housing part (25) guided in a guide means and at least transversely to the cylinder or roll longitudinal axis (A) is movable. Lageranordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Wälzlager (13) einen kraft- und/oder formschlüssig mit dem zweiten Gehäuseteil (12) verbundenen Außenring (14) sowie käfiggeführte Wälzkörper (15) umfasst, die auf dem Zapfen (20) oder einem Innenring (16) ablaufen, der kraft- und/oder formschlüssig mit dem Zapfen (20) verbindbar ist.Bearing arrangement according to one of the preceding claims, characterized in that the rolling bearing (13) comprises a non-positively and / or positively connected to the second housing part (12) outer ring (14) and cage-guided rolling elements (15) on the pin (20) or an inner ring (16) run, the non-positively and / or positively connected to the pin (20) is connectable. Lageranordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Wälzlager (13) einen dickwandigen Außenring (14) und/oder einen massiv ausgebildeten Innenring (16) umfasst, wobei vorzugsweise der Außenring und der Innenring als hochgenau gepaarte Lagereinheit ausgeführt sind.Bearing arrangement according to one of the preceding claims, characterized in that the rolling bearing (13) comprises a thick-walled outer ring (14) and / or a solid inner ring (16), wherein preferably the outer ring and the inner ring are designed as a high-precision paired bearing unit. Lageranordnung nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass der Außenring (14) in einer quer zur Zylinder- oder Walzenlängsachse (A) ausgerichteten Befestigungsebene (B1) kraft- und formschlüssig, vorzugsweise mittels einer oder mehrerer Schrauben (17), an dem zweiten Gehäuseteil (12) befestigt ist.Bearing arrangement according to claim 9 or 10, characterized in that the outer ring (14) in a transverse to the cylinder or roll longitudinal axis (A) aligned mounting plane (B1) non-positively and positively, preferably by means of one or more screws (17) on the second Housing part (12) is attached. Lageranordnung nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, dass der Innenring (16) in einer quer zur Zylinder- oder Walzenlängsachse (A) ausgerichteten Befestigungsebene (B2) kraft- und formschlüssig, vorzugsweise mittels einer oder mehrerer Schrauben (18), an dem Zapfen (20) befestigbar ist.Bearing arrangement according to one of claims 9 to 11, characterized in that the inner ring (16) in a transverse to the cylinder or roll longitudinal axis (A) aligned mounting plane (B2) non-positively and positively, preferably by means of one or more screws (18) to the pin (20) can be fastened. Druckmaschine, insbesondere Flexodruckmaschine, gekennzeichnet durch wenigstens eine Lageranordnung (10) nach einem der vorhergehenden Ansprüche zur Abfangung der als Zapfen (20) ausgebildeten freien Enden von einendig fliegend gelagerten Zylindern oder Walzen.Printing press, particularly flexographic printing press, characterized by at least one bearing assembly (10) according to any preceding claim formed for restraining the as pin (20) free ends of cantilever-mounted at one end cylinders or rollers.
EP20090178309 2008-12-19 2009-12-08 Releasable and slidable bearing assembly for a printing press Not-in-force EP2202071B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810063961 DE102008063961A1 (en) 2008-12-19 2008-12-19 Bearing arrangement for a printing press and printing press

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EP2202071A1 true EP2202071A1 (en) 2010-06-30
EP2202071B1 EP2202071B1 (en) 2013-07-03

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EP20090178309 Not-in-force EP2202071B1 (en) 2008-12-19 2009-12-08 Releasable and slidable bearing assembly for a printing press

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EP (1) EP2202071B1 (en)
CN (1) CN101746107B (en)
DE (1) DE102008063961A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11473620B2 (en) * 2018-08-23 2022-10-18 Nsk Ltd. Rolling bearing precompression method, bearing precompression device, bearing assembly, machine, and vehicle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE490994C (en) * 1927-08-11 1930-02-05 Johannisberg G M B H Maschf Cylinder bearings, in particular forme cylinder bearings on rotary printing machines
GB2034639A (en) * 1978-11-04 1980-06-11 Roland Man Druckmasch Printing machine cylinder with detachable bearing ring
US5639166A (en) * 1994-06-29 1997-06-17 Skf Gmbh Three-race bearing
DE19705369A1 (en) 1997-02-12 1998-09-17 Windmoeller & Hoelscher Printing press
EP1083346A1 (en) * 1999-09-09 2001-03-14 INA Wälzlager Schaeffler oHG Radial axial bearing unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE490994C (en) * 1927-08-11 1930-02-05 Johannisberg G M B H Maschf Cylinder bearings, in particular forme cylinder bearings on rotary printing machines
GB2034639A (en) * 1978-11-04 1980-06-11 Roland Man Druckmasch Printing machine cylinder with detachable bearing ring
US5639166A (en) * 1994-06-29 1997-06-17 Skf Gmbh Three-race bearing
DE19705369A1 (en) 1997-02-12 1998-09-17 Windmoeller & Hoelscher Printing press
EP1083346A1 (en) * 1999-09-09 2001-03-14 INA Wälzlager Schaeffler oHG Radial axial bearing unit

Also Published As

Publication number Publication date
EP2202071B1 (en) 2013-07-03
CN101746107A (en) 2010-06-23
CN101746107B (en) 2014-06-11
DE102008063961A1 (en) 2010-07-01

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