EP2582522B1 - Mounting for the main cylinders of printing presses - Google Patents
Mounting for the main cylinders of printing presses Download PDFInfo
- Publication number
- EP2582522B1 EP2582522B1 EP11715498.9A EP11715498A EP2582522B1 EP 2582522 B1 EP2582522 B1 EP 2582522B1 EP 11715498 A EP11715498 A EP 11715498A EP 2582522 B1 EP2582522 B1 EP 2582522B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- eccentric ring
- radial
- bearing
- machine frame
- cylinders
- 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.)
- Not-in-force
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- 238000007639 printing Methods 0.000 title claims description 8
- 238000005096 rolling process Methods 0.000 description 4
- 230000008646 thermal stress Effects 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 240000000528 Ricinus communis Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
Images
Classifications
-
- 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
- B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
- B41F13/26—Arrangement of cylinder bearings
- B41F13/28—Bearings mounted eccentrically of the cylinder axis
-
- 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
- B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
- B41F13/34—Cylinder lifting or adjusting devices
- B41F13/36—Cams, eccentrics, wedges, or the like
Definitions
- the invention relates to a storage of the master cylinder of printing presses, such as plate cylinder, blanket cylinder, raster cylinder, impression cylinder and paper-leading transfer cylinder of rotary and sheet-fed presses, by means rotatably mounted in machine frame bores Exzenterringcruen for radial support and for turning on and off the cylinder, and by means of one Angular or thrust bearing assembly for axial guidance, which are mounted on the one hand to one of two shaft journals of the master cylinder and on the other hand fastened via connecting elements on one of the eccentric rings of the Exzenterringcrues, wherein the eccentric ring on which the oblique or thrust bearing assembly is attached via the connecting elements, in its Machine frame bore axially guided substantially free of play.
- a storage of a blanket cylinder of a sheet-fed offset printing press of this type is described in the company publication of FAG OEM and Handel AG entitled "The Design of Rolling Bearings", Publ. WL 00 200/5 DA, described in paragraph 114.
- It is a three-ring eccentric bearing unit, which is based on a cylindrical roller bearing, which is known as a low-friction precision bearing from the machine tool industry, and a double-row needle bearing that guides the eccentric.
- the axial guidance of the blanket cylinder take angular contact ball bearings or a thrust bearing.
- the angular contact ball bearing is arranged in a bearing plate and connected via an adapter on the cylinder pin.
- a flange plate is clamped on the machine frame set to leave a radial displacement, when the eccentric ring is rotated with the flange plate to make on and off operations, as well as a compensation for different paper thicknesses or Schrägangnaen.
- the present invention seeks to propose a thrust bearing for master cylinder printing presses of the type mentioned, which can be produced inexpensively, is robust and easy to install and thermal stresses in the field of axial bearing avoids.
- the axially adjustable rollers ensure that the axial guidance of the cylinder is free of play and low friction, since only the rolling friction between the radial raceways and the adjustable rollers occurs for the axial guidance of the cylinder.
- Adjustable rollers are a common machine component and are available at low cost, require no time-consuming tuning work, as is required for sliding mating, and can be integrated to save space in the storage of the cylinder.
- At least one pair of axially adjustable rollers with radial axes of rotation is arranged on the connecting element of an eccentric ring, and that the machine-frame-fixed guide element protrudes with mutual radial tracks between the at least one pair of rollers, against which the respective pair of rollers can be adjusted.
- an axial projection attached to the eccentric ring and be part of the connecting element for the oblique or thrust bearing assembly.
- the axial extension on the eccentric ring can advantageously be arranged in the region of its greatest eccentricity.
- one of the radial raceways may preferably be formed by a radial side surface of the eccentric ring, while the second radial raceway facing this side surface is formed on the connecting element fastened to the eccentric ring for the oblique or axial bearing arrangement.
- the play-free axial position of the cylinder can be achieved in a simple manner when the rollers are rotatably mounted on bearing journals and the longitudinal axes of the bearing pins are imaxierbar with respect to the axes of the rollers. This can be achieved in that the bearing pins of the rollers are designed eccentrically.
- the bearing is designed in such a way that each eccentric ring by means of a multi-row needle bearing play in the machine frame bore and by means of a multi-row, low-friction precision cylindrical roller bearing in NN design on a shaft journal of the cylinder is mounted, wherein the outer ring of the multi-row needle bearing over a cylindrical sleeve rotatably and axially immovably disposed in the machine frame bore.
- FIG. 1 is shown by a master cylinder 1 of a printing machine, only the end with a shaft journal 2 and its storage in a side wall 3 of a machine frame of a printing press.
- An eccentric ring 5 which is rotatable for the functions startup and shutdown operations, the compensation for different paper thicknesses or oblique position of the cylinder 1, is mounted in the side wall 3 in a machine frame bore 4 by means of a multi-row needle bearing 6 and a cylindrical bushing 7.
- the outer circumferential surface of the eccentric ring 5 forms the inner raceway and the radial inner surface of the cylindrical bushing 7, the outer raceway for the rolling elements of the needle bearing. 6
- the radial psychologyfizze of the eccentric ring 5 forms the outer raceway for a double row cylindrical roller bearing 8.
- the cylindrical roller bearing 8 comprises an inner ring 9, on the outer surface of raceways are formed in a known manner, on which roll the rollers of the cylindrical roller bearing 8.
- This inner ring 9 is provided with a conical bore which is pressed onto the corresponding conical shaft 2.
- a shaft 2 to the coaxial adapter 10 is applied with its axially projecting pressure ring 12 to the cylinder remote end face of the inner ring 9 and screwed by screws 13 axially to the shaft journal 2, whereby the inner ring 9 of the cylindrical roller bearing 8 is fixed without play on the shaft journal 2.
- the adapter 10 is provided at its end remote from the master cylinder 1 with a bearing pin 11 which receives an inner ring 16 of a double row angular contact ball bearing 15 in O arrangement.
- This inner ring 16 is axially fixed by means of a nut 18 against a shoulder 14 on the bearing pin 11, so that in cooperation with an outer ring 17 of the angular contact ball bearing 15, the axial backlash of this angular contact ball bearing 15 is given.
- the outer ring 17 of the angular contact ball bearing 15 is fastened by means of screws 19 to a connecting element 20 which serves as a carrier for the outer ring 17 of the angular contact ball bearing 15 and for a pair of rollers 21, 21 '.
- This connecting element 20 is fastened in a manner not shown on the eccentric ring 5 in the region of its greatest eccentricity by means of a projection 30.
- the embodiment according to FIG. 2 differs from the embodiment according to FIG. 1 in that the rollers 21, 21 'are circumferentially spaced with their bearing pins 22 in the cylindrical sleeve 7, wherein the axes of the bearing pins 22 are slightly offset axially from one another.
- a side surface of the eccentric ring 5 forms a radial raceway 28, while the second radial raceway 29 facing this side surface is formed on the connecting element 27 fastened to the eccentric ring 5.
- the connecting element 27 is the support for the outer ring 17 of the double-row angular contact ball bearing 15, so that the axial position of the master cylinder 1 in this embodiment according to Fig. 2 also by the two radial raceways 28, 29, against which the rollers 21, 21 ', play and with great accuracy when adjusting the eccentric 5 is maintained.
- FIGS. 1 and 2 represent preferred embodiments with a rolling bearing of the eccentric ring 5 relative to the shaft journal 2 of the master cylinder 1 and relative to the mounted in a side wall 3 of a machine frame cylindrical bushing 7, however, a sliding bearing for the eccentric ring 5 is also possible in a Ans Operationssgforms not according to the invention, if the respective Use case permits this.
- Essential to the invention is the axial guidance of the master cylinder 1 by a play-free angular contact ball bearings 15 or a thrust bearing and the connection of this axial guide for the master cylinder 1 on the machine frame by means of axially engageable against the corresponding radial raceways 26, 28, 29 rollers 21, 21 ', resulting in a cost-effective solution results for the axial guidance, which requires no time-consuming tuning work and adjustments during rotation of the eccentric ring 5 and is insensitive to thermal stresses.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
- Rolls And Other Rotary Bodies (AREA)
Description
Die Erfindung betrifft eine Lagerung der Hauptzylinder von Druckmaschinen, wie beispielsweise Plattenzylinder, Gummizylinder, Rasterzylinder, Gegendruckzylinder und papierführende Übergabezylinder von Rotations- und Bogendruckmaschinen, mittels in Maschinengestellbohrungen drehbar gelagerten Exzenterringpaaren zur radialen Abstützung sowie zum An- und Abstellen der Zylinder, sowie mittels jeweils einer Schräg- oder Axiallageranordnung zur axialen Führung, die einerseits an einem von zwei Wellenzapfen des Hauptzylinders gelagert und andererseits über Verbindungselemente an einem der Exzenterringe des Exzenterringpaares befestigt sind, wobei der Exzenterring, an dem die Schräg- oder Axiallageranordnung über die Verbindungselemente befestigt ist, in seiner Maschinengestellbohrung axial im Wesentlichen spielfrei geführt ist.The invention relates to a storage of the master cylinder of printing presses, such as plate cylinder, blanket cylinder, raster cylinder, impression cylinder and paper-leading transfer cylinder of rotary and sheet-fed presses, by means rotatably mounted in machine frame bores Exzenterringpaaren for radial support and for turning on and off the cylinder, and by means of one Angular or thrust bearing assembly for axial guidance, which are mounted on the one hand to one of two shaft journals of the master cylinder and on the other hand fastened via connecting elements on one of the eccentric rings of the Exzenterringpaares, wherein the eccentric ring on which the oblique or thrust bearing assembly is attached via the connecting elements, in its Machine frame bore axially guided substantially free of play.
Eine Lagerung eines Gummizylinders einer Bogen-Offset-Druckmaschine dieser Art ist in der Firmendruckschrift der FAG OEM und Handel AG mit dem Titel "Die Gestaltung von Wälzlagerungen", Publ.-Nr. WL 00 200/5 DA, unter Ziffer 114 beschrieben. Es handelt sich um eine Dreiring-Exzenter-Lagereinheit, die auf einem Zylinderrollenlager, welches man als reibungsarmes Genauigkeitslager aus dem Werkzeugmaschinenbau kennt, und einem zweireihigen Nadellager, das den Exzenterring führt, basiert. Die axiale Führung des Gummizylinders übernehmen Schrägkugellager oder auch ein Axiallager. Das Schrägkugellager ist in einer Lagerplatte angeordnet und über einen Adapter am Zylinderzapfen angebunden. Eine Flanschplatte wird mittels Spannpratzen am Maschinengestell festgelegt, die eine radiale Verschiebung zu lassen, wenn der Exzenterring mit der Flanschplatte gedreht wird, um An- und Abschaltvorgänge, sowie einen Ausgleich bei unterschiedlichen Papierdicken oder Schräganstellungen vorzunehmen.A storage of a blanket cylinder of a sheet-fed offset printing press of this type is described in the company publication of FAG OEM and Handel AG entitled "The Design of Rolling Bearings", Publ. WL 00 200/5 DA, described in paragraph 114. It is a three-ring eccentric bearing unit, which is based on a cylindrical roller bearing, which is known as a low-friction precision bearing from the machine tool industry, and a double-row needle bearing that guides the eccentric. The axial guidance of the blanket cylinder take angular contact ball bearings or a thrust bearing. The angular contact ball bearing is arranged in a bearing plate and connected via an adapter on the cylinder pin. A flange plate is clamped on the machine frame set to leave a radial displacement, when the eccentric ring is rotated with the flange plate to make on and off operations, as well as a compensation for different paper thicknesses or Schräganstellungen.
Zwar erfüllt diese bekannte Lagerung den angestrebten Zweck, die vorerwähnten Funktionen zu verwirklichen, jedoch ist die Konstruktion der Spannpratzen nicht sehr kostengünstig, erfordert zeitaufwendige Einstellarbeiten und führt zu Problemen durch thermische Verspannung in der Gleitpaarung zwischen der Flanschplatte und den Spannpratzen.Although this known storage fulfills the intended purpose to realize the aforementioned functions, however, the construction of the clamping claws is not very inexpensive, requires time-consuming adjustments and leads to problems due to thermal stress in the sliding between the flange plate and the clamping claws.
Vor diesem Hintergrund liegt der Erfindung die Aufgabe zugrunde, eine Axiallagerung für Hauptzylinder von Druckmaschinen der eingangs erwähnten Art vorzuschlagen, die sich kostengünstig herstellen lässt, robust und montagefreundlich ist sowie thermische Verspannungen im Bereich der Axiallagerung vermeidet.Against this background, the present invention seeks to propose a thrust bearing for master cylinder printing presses of the type mentioned, which can be produced inexpensively, is robust and easy to install and thermal stresses in the field of axial bearing avoids.
Ausgehend von dieser Aufgabenstellung besteht die erfindungsgmäße Lösung bei einer Lagerung der Hauptzylinder von Druckmaschinen der eingangs erwähnten Art darin, dass für die axiale Führung des Zylinders Laufrollen vorgesehen sind, die gegen entsprechende Radiallaufbahnen axial anstellbar sind, wobei die Radiallaufbahnen entweder an einem maschinengestellfesten Führungselement vorhanden sind, oder die Radiallaufbahnen an einem Exzenterring sowie an einem an dem Exzenterring befestigten Verbindungselement ausgebildet sind.Based on this task, the erfindungsgmäße solution in storage of the master cylinder of printing machines of the type mentioned in that for the axial guidance of the cylinder rollers are provided which are axially adjustable against corresponding radial raceways, the radial tracks are either present on a machine frame fixed guide element , or the radial raceways are formed on an eccentric ring and on a fastener attached to the eccentric ring.
Die axial anstellbaren Laufrollen gewährleisten, dass die axiale Führung des Zylinders spielfrei und reibungsarm erfolgt, da zur axialen Führung des Zylinders nur die Rollreibung zwischen den Radiallaufbahnen und den anstellbaren Laufrollen auftritt. Anstellbare Laufrollen sind ein übliches Maschinenbauelement und stehen kostengünstig zur Verfügung, erfordern keine zeitaufwendigen Abstimmarbeiten, wie dies bei Gleitpaarungen erforderlich ist, und lassen sich Platz sparend in die Lagerung des Zylinders integrieren.The axially adjustable rollers ensure that the axial guidance of the cylinder is free of play and low friction, since only the rolling friction between the radial raceways and the adjustable rollers occurs for the axial guidance of the cylinder. Adjustable rollers are a common machine component and are available at low cost, require no time-consuming tuning work, as is required for sliding mating, and can be integrated to save space in the storage of the cylinder.
Gemäß einer Ausführungsform kann vorgesehen sein, dass wenigstens ein axial anstellbares Laufrollenpaar mit radialen Drehachsen an dem Verbindungselement eines Exzenterrings angeordnet ist, und dass das maschinengestellfeste Führungselement mit beiderseitigen radialen Laufbahnen zwischen das wenigstens eine Laufrollenpaar ragt, gegen die das jeweilige Laufrollenpaar anstellbar ist.According to one embodiment, it can be provided that at least one pair of axially adjustable rollers with radial axes of rotation is arranged on the connecting element of an eccentric ring, and that the machine-frame-fixed guide element protrudes with mutual radial tracks between the at least one pair of rollers, against which the respective pair of rollers can be adjusted.
Vorzugsweise kann hierbei ein axialer Ansatz am Exzenterring befestigt und Teil des Verbindungselements für die Schräg- oder Axiallageranordnung sein. Der axiale Ansatz am Exzenterring kann vorteilhaft im Bereich seiner größten Exzentrizität angeordnet sein.Preferably, in this case an axial projection attached to the eccentric ring and be part of the connecting element for the oblique or thrust bearing assembly. The axial extension on the eccentric ring can advantageously be arranged in the region of its greatest eccentricity.
Gemäß einer anderen Anführungsform kann ein umfangsbezogen gegeneinander versetztes, axial anstellbares Laufrollenpaar mit radialen Drehachsen in den Bereich des Exzenterrings ragen, deren Laufrollen gegen zwei einander zugewandte, radiale Laufbahnen am Exzenterring anstellbar sind.According to another embodiment, a circumferentially offset, axially engageable pair of rollers with radial axes of rotation protrude into the region of the eccentric ring, whose rollers against two mutually facing radial raceways on the eccentric are adjustable.
Bevorzugt kann dabei eine der radialen Laufbahnen durch eine radiale Seitenfläche des Exzenterrings gebildet sein, während die dieser Seitenfläche zugewandte zweite radiale Laufbahn an dem am Exzenterring befestigten Verbindungselement für die Schräg- oder Axiallageranordnung ausgebildet ist.In this case, one of the radial raceways may preferably be formed by a radial side surface of the eccentric ring, while the second radial raceway facing this side surface is formed on the connecting element fastened to the eccentric ring for the oblique or axial bearing arrangement.
Die spielfreie axiale Position des Zylinders lässt sich auf einfache Weise erreichen, wenn die Laufrollen auf Lagerzapfen drehbar gelagert sind und die Längsachsen der Lagerzapfen gegenüber den Achsen der Laufrollen desaxierbar sind. Dies kann dadurch erreicht werden, dass die Lagerzapfen der Laufrollen exzentrisch ausgeführt sind.The play-free axial position of the cylinder can be achieved in a simple manner when the rollers are rotatably mounted on bearing journals and the longitudinal axes of the bearing pins are imaxierbar with respect to the axes of the rollers. This can be achieved in that the bearing pins of the rollers are designed eccentrically.
Besonders bevorzugt ist die Lagerung in der Weise ausgeführt, dass jeder Exzenterring mittels eines mehrreihigen Nadellagers spielfrei in der Maschinengestellbohrung und mittels eines mehrreihigen, reibungsarmen Genauigkeits-Zylinderrollenlagers in NN-Ausführung auf einem Wellenzapfen des Zylinders gelagert ist, wobei der Außenring des mehrreihigen Nadellagers über eine zylindrische Buchse drehfest und axial unverschiebbar in der Maschinengestellbohrung angeordnet ist.Particularly preferably, the bearing is designed in such a way that each eccentric ring by means of a multi-row needle bearing play in the machine frame bore and by means of a multi-row, low-friction precision cylindrical roller bearing in NN design on a shaft journal of the cylinder is mounted, wherein the outer ring of the multi-row needle bearing over a cylindrical sleeve rotatably and axially immovably disposed in the machine frame bore.
Die erfindungsgemäß ausgebildete Lagerung wird nachfolgend in zwei bevorzugten Ausführungsformen unter Bezugnahme auf die beigefügten Zeichnungen näher erläutert. Dabei zeigen:
Figur 1- eine Radialschnittansicht der Lagerung eines Zylinders gemäß einer ersten Ausführungsform;
Figur 2- eine Radialschnittansicht der Lagerung eines Zylinders gemäß einer zweiten Ausführungsform.
- FIG. 1
- a radial sectional view of the mounting of a cylinder according to a first embodiment;
- FIG. 2
- a radial sectional view of the bearing of a cylinder according to a second embodiment.
In
Die radiale innenfiäche des Exzenterrings 5 bildet die äußere Laufbahn für ein doppelreihiges Zylinderrollenlager 8. Das Zylinderrollenlager 8 umfasst einen Innenring 9, auf dessen Außenoberfläche Laufbahnen in bekannter Weise ausgebildet sind, auf denen die Laufrollen des Zylinderrollenlagers 8 abrollen. Dieser Innenring 9 ist mit einer konischen Bohrung versehen, die auf den entsprechend konisch ausgebildeten Wellenzapfen 2 aufgepresst ist. Hierzu wird ein zum Wellenzapfen 2 koaxialer Adapter 10 mit seinem axial vorstehenden Druckring 12 an die zylinderferne Stirnseite des Innenrings 9 angelegt und mittels Schrauben 13 axial an dem Wellenzapfen 2 festgeschraubt, wodurch der Innenring 9 des Zylinderrollenlagers 8 spielfrei am Wellenzapfen 2 festgelegt ist.The radial Innenfiäche of the
Der Adapter 10 ist an seinem vom Hauptzylinder 1 fernen Ende mit einem Lagerzapfen 11 versehen, der einen Innenring 16 eines doppelreihigen Schrägkugellagers 15 in O-Anordnung aufnimmt. Dieser Innenring 16 ist mittels einer Mutter 18 gegen einen Absatz 14 am Lagerzapfen 11 axial festgelegt, so dass im Zusammenwirken mit einem Außenring 17 des Schrägkugellagers 15 die axiale Spielfreiheit dieses Schrägkugellagers 15 gegeben ist. Der Außenring 17 des Schrägkugellagers 15 ist mittels Schrauben 19 an einem Verbindungselement 20 befestigt, das als Träger für den Außenring 17 des Schrägkugellagers 15 und für ein Laufrollenpaar 21, 21' dient. Dieses Verbindungselement 20 ist in nicht dargestellter Weise am Exzenterring 5 im Bereich seiner größten Exzentrizität mittels eines Ansatzes 30 befestigt.The
Im axialen Ansatz 30 sind die Laufrollen 21, 21' mittels Lagerzapfen 22, die in exzentrischen Buchsen 23 geführt sind, und Muttern 24 befestigt. In den Zwischenraum zwischen den Laufrollen 21 ragt ein Führungselement 25 in Form eines in einer Nut 31 in der zylindrischen Buchse 7 angeordneten Rings, an dessen radialen Laufbahnen 26 die Laufrollen 21, 21' anliegen.In the
Durch ein Verdrehen der Lagerzapfen 22 mit den exzentrischen Buchsen 23 lassen sich die Laufrollen 21, 21' gegen die radialen Laufbahnen 26 spielfrei anstellen, wodurch die axiale Lage des Hauptzylinders 1 in jeder Stellung des Exzenterrings 5 mit hoher Genauigkeit und spielfrei beibehalten wird.By rotating the
Die Ausführungsform gemäß
Die
- 11
- Zylinder, HauptzylinderCylinder, master cylinder
- 22
- Wellenzapfenshaft journal
- 33
- SeitenwandSide wall
- 44
- MaschinengestellbohrungMachine frame hole
- 55
- Exzenterringeccentric
- 66
- Mehrreihiges NadellagerMulti-row needle bearing
- 77
- Zylindrische BuchseCylindrical bush
- 88th
- Mehrreihiges ZylinderrollenlagerMulti-row cylindrical roller bearing
- 99
- Innenringinner ring
- 1010
- Adapteradapter
- 1111
- Lagerzapfenpivot
- 1212
- Druckringpressure ring
- 1313
- Schraubenscrew
- 1414
- Absatzparagraph
- 1515
- SchrägkugellagerAngular contact ball bearings
- 1616
- Innenringinner ring
- 1717
- Außenringouter ring
- 1818
- Muttermother
- 1919
- Schraubenscrew
- 2020
- Verbindungselementconnecting element
- 21, 21'21, 21 '
- Laufrollencastors
- 2222
- Lagerzapfenpivot
- 2323
- Exzentrische BuchseEccentric bush
- 2424
- Mutternnuts
- 2525
- Führungselementguide element
- 2626
- Radiale LaufbahnenRadial tracks
- 2727
- Verbindungselementconnecting element
- 2828
- Radiale LaufbahnRadial career
- 2929
- Radiale LaufbahnRadial career
- 3030
- Axialer AnsatzAxial approach
- 3131
- Nutgroove
Claims (8)
- Mounting of main cylinders (1) of printing presses, such as plate cylinders, rubber-covered cylinders, engraved cylinders, impression cylinders and paper-conducting transfer cylinders of rotary and sheet-fed printing presses, by means of eccentric ring pairs (5) which are mounted rotatably in machine frame bores (4) for radially supporting and throwing the main cylinders (1) on and off, and by means of in each case one angular contact or axial bearing arrangement (15, 16, 17) for axial guidance which are mounted on one side on one of two shaft journals (2) of a main cylinder (1) and are fastened on the other side by connecting elements (20, 27) to one of the eccentric rings (5) of the eccentric ring pair, the eccentric ring (5), to which the angular contact or axial bearing arrangement (15, 16, 17) is fastened via the connecting elements (20, 27), being guided axially substantially without play in its machine frame bore (4), characterized in that running rollers (21, 21') are provided for the axial guidance of the main cylinder (1), which running rollers (21, 21') can be set axially against corresponding radial raceways (26; 28, 29), the radial raceways (26) either being present on a guide element (25) which is fixed to the machine frame, or the radial raceways (28, 29) being configured on the eccentric ring (5) and on a connecting element (20, 27) which is fastened to the eccentric ring (5).
- Mounting according to Claim 1, characterized in that at least one running roller pair (21, 21') which can be thrown on axially is arranged with radial rotational axes on the connecting element (20) of an eccentric ring (5), and in that the guide element (25) which is fixed to the machine frame protrudes between the at least one running roller pair (21, 21') with radial raceways (26) on both sides, against which the respective running roller pair (21, 21') can be set.
- Mounting according to Claim 2, characterized in that an axial projection (30) is fastened to the eccentric ring (5) and is part of the connecting element (20) for the angular contact or axial bearing arrangement (15, 16, 17).
- Mounting according to Claim 1, characterized in that a running roller pair (21, 21') which can be thrown on axially and is offset with respect to one another in relation to the circumference protrudes with radial rotational axes into the region of the eccentric ring (5), the running rollers (21, 21') of which can be set against two radial raceways (28, 29) which face one another on the eccentric ring (5).
- Mounting according to Claim 4, characterized in that one of the radial raceways (28) is a radial side face of the eccentric ring (5), and in that the second radial raceway (29) which faces the said side face is configured on the connecting element (27) which is fastened to the eccentric ring (5) for the angular contact or axial bearing arrangement (15, 16, 17).
- Mounting according to one of Claims 1 to 5, characterized in that the running rollers (21) are mounted rotatably on bearing journals (22), and in that the longitudinal axes of the bearing journals (22) can be offset with respect to the axes of the running rollers (21, 21').
- Mounting according to one of Claims 1 to 6, characterized in that each eccentric ring (5) is mounted without play in the machine frame bore (4) by means of a multiple-row needle bearing (6) and is mounted on a shaft journal (2) of the main cylinder (1) by means of a multiple-row, low-friction precision cylindrical roller bearing (8).
- Mounting according to Claim 7, characterized in that the outer ring of the multiple-row needle bearing (6) is mounted in a rotationally fixed and axially non-displaceable manner in the machine frame bore (4) via a cylindrical bush (7).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010024031 DE102010024031A1 (en) | 2010-06-16 | 2010-06-16 | Storage of the master cylinders of printing presses |
PCT/EP2011/055982 WO2011157463A1 (en) | 2010-06-16 | 2011-04-15 | Mounting for the main cylinders of printing presses |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2582522A1 EP2582522A1 (en) | 2013-04-24 |
EP2582522B1 true EP2582522B1 (en) | 2016-08-10 |
Family
ID=43927963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11715498.9A Not-in-force EP2582522B1 (en) | 2010-06-16 | 2011-04-15 | Mounting for the main cylinders of printing presses |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2582522B1 (en) |
CN (1) | CN102947096B (en) |
DE (1) | DE102010024031A1 (en) |
WO (1) | WO2011157463A1 (en) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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DD283038A7 (en) * | 1988-06-10 | 1990-10-03 | Polygraph Leipzig | BEARING ARRANGEMENT |
DE4401300A1 (en) * | 1993-02-09 | 1994-08-11 | Grapha Holding Ag | Device for processing ribbon-like or sheet-like material |
CN2262995Y (en) * | 1996-05-30 | 1997-09-24 | 北人印刷机械股份有限公司 | Axial locator for printing press cylinder |
CN2356848Y (en) * | 1999-01-18 | 2000-01-05 | 杨庆峰 | Gapless variable axis supporting structure |
DE10021233B4 (en) * | 2000-04-29 | 2009-12-17 | Schaeffler Kg | Storage for cylinders and drums in printing machines |
CN1781703A (en) * | 2001-08-03 | 2006-06-07 | 柯尼格及包尔公开股份有限公司 | Printing device in printing machine |
JP3616604B2 (en) * | 2002-03-08 | 2005-02-02 | 株式会社東京機械製作所 | Printing cylinder bearing device |
JP4370087B2 (en) * | 2002-10-31 | 2009-11-25 | リョービ株式会社 | Support structure for offset printing machine blanket cylinder |
DE102004037889B4 (en) * | 2004-04-05 | 2006-05-11 | Koenig & Bauer Ag | Device for supporting a cylinder and printing unit with at least three together as a printing unit acting cylinders |
US20080163772A1 (en) * | 2005-05-20 | 2008-07-10 | Akehiro Kusaka | Register Adjusting Apparatus for Rotating Body |
JP4818642B2 (en) * | 2005-05-20 | 2011-11-16 | 株式会社小森コーポレーション | Cylindrical support device |
DE102008007376A1 (en) * | 2008-02-01 | 2009-08-13 | Manroland Ag | Printing unit for a rotary printing press |
-
2010
- 2010-06-16 DE DE201010024031 patent/DE102010024031A1/en not_active Withdrawn
-
2011
- 2011-04-15 WO PCT/EP2011/055982 patent/WO2011157463A1/en active Application Filing
- 2011-04-15 EP EP11715498.9A patent/EP2582522B1/en not_active Not-in-force
- 2011-04-15 CN CN201180029916.4A patent/CN102947096B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN102947096B (en) | 2015-02-04 |
WO2011157463A1 (en) | 2011-12-22 |
EP2582522A1 (en) | 2013-04-24 |
DE102010024031A1 (en) | 2011-12-22 |
CN102947096A (en) | 2013-02-27 |
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