EP1322474A1 - Element d'appui pour cylindres ou tambours dans des machines d'impression - Google Patents

Element d'appui pour cylindres ou tambours dans des machines d'impression

Info

Publication number
EP1322474A1
EP1322474A1 EP01969613A EP01969613A EP1322474A1 EP 1322474 A1 EP1322474 A1 EP 1322474A1 EP 01969613 A EP01969613 A EP 01969613A EP 01969613 A EP01969613 A EP 01969613A EP 1322474 A1 EP1322474 A1 EP 1322474A1
Authority
EP
European Patent Office
Prior art keywords
bearing
side wall
bore
support
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01969613A
Other languages
German (de)
English (en)
Other versions
EP1322474B1 (fr
Inventor
Thomas Dittenhöfer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHO Holding GmbH and Co KG
Original Assignee
INA Schaeffler KG
Schaeffler KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by INA Schaeffler KG, Schaeffler KG filed Critical INA Schaeffler KG
Publication of EP1322474A1 publication Critical patent/EP1322474A1/fr
Application granted granted Critical
Publication of EP1322474B1 publication Critical patent/EP1322474B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B41F13/30—Bearings mounted on sliding supports
    • 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

Definitions

  • the invention relates to a bearing for journals of cylinders or drums in printing machines, the journals being received in at least one roller bearing arranged in a bore in a side wall.
  • Such bearings are already known in a variety of designs.
  • DE 42 24 318 C2 describes a bearing for a cylinder of printing presses, in which a cylinder journal is received in a bearing fixed in a bore.
  • the pin is received by a one-piece inner ring, which forms the inner raceway for cylindrical rolling elements arranged in several rows.
  • An associated outer ring which is fixed in a housing, forms the outer raceway for the rolling elements.
  • the three-ring roller bearing described there consists of an inner bearing ring of the inner bearing connected to a pin of a rubber blanket cylinder, which is provided with an outer race which is concentric with the pin.
  • the three-ring roller bearing also has an outer bearing ring of an outer bearing in a bearing housing, which is connected to the bore the bearing housing is provided concentric inner raceway.
  • a one-piece eccentric intermediate ring which supports the raceway for the inner bearing and the outer bearing and which can be pivoted in the circumferential direction by actuating means located outside the bearing housing.
  • radial bearing rows in the form of cylindrical roller bearing rows are provided between the inner bearing ring connected to the pin and the eccentric intermediate ring on the one hand, and between the outer bearing ring and the eccentric intermediate ring.
  • rows of ball bearings or crossed roller axial bearings in the inner bearing or rows of ball bearings in the outer bearing for separate absorption of axial forces are arranged.
  • Eccentric bearings of this type can always be used particularly advantageously in the printing industry if a plurality of printing cylinders are arranged next to one another with their lateral surfaces touching one another. Due to the adjustable eccentricity of the individual bearings, the cylinders can be adjusted exactly to each other. B. tolerances can be compensated in a simple manner.
  • the invention is therefore based on the object of avoiding the disadvantages described and a roller bearing for the pins of cylinders or to provide drums in printing presses that have improved flexural rigidity in a simple manner.
  • this object is achieved according to the characterizing part of claim 1 in that a bearing bush is accommodated in the bore of the side wall, in the continuous bearing bore of which a first support bearing is arranged, from which a second radially adjustable support bearing is arranged at an interval outside the bearing bore is, wherein the second support bearing is received by a housing which is detachably connected to the side wall and thus slidably connected thereto.
  • the two axially spaced support bearings alone achieve a much better bending stiffness of the cylinder connected to the pin compared to only one support bearing. Due to the radially adjustable second support bearing, a bending moment can also be applied to the pressure cylinder, which leads to a desired pre-bending. In this way it is ensured that a largely straight bending line can be achieved in cooperation with adjacent cylinders when the printing press is operated. This in turn results in constant pressure forces over the entire cylinder length, which have a positive effect on the print quality, especially at high cylinder speeds. In other words, the radially adjustable support bearing achieves a pre-bending of the printing cylinder, which counteracts the deformation during the printing operation by the cylinder pressure forces involved.
  • the housing is connected at two opposite circumferential points with a bolt each, which is received by a bearing block, which is attached to the cable with fastening screws. tenwand is held, wherein according to claim 3, the diameter of the fastening screws is smaller than the diameter of the associated holes in the bearing block.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Rotary Presses (AREA)

Abstract

La présente invention concerne un élément d'appui destiné aux tourillons (2) d'un cylindre (1) ou à des tambours de machines d'impression, le tourillon (2) étant reçu dans au moins un palier à roulement disposé dans un alésage (12) pratiqué dans une paroi latérale (5). Selon l'invention, dans l'alésage (12) de la paroi latérale (5) est reçu un coussinet (8) dans lequel est pratiqué un alésage de roulement (7) traversant dans lequel se trouve un premier palier d'appui (3) étant espacé en direction axiale d'un second palier d'appui (4) réglable en direction radiale, se trouvant à l'extérieur de l'alésage de roulement (7), le second palier d'appui (4) étant reçu par un boîtier (20) qui est relié à la paroi latérale (5) de manière à pouvoir être détaché de celle-ci et ainsi à pouvoir se déplacer par rapport à celle-ci. Le second palier d'appui (4) réglable en direction radiale permet d'obtenir une pré-flexion du cylindre d'impression (1) qui agit en direction opposée de la déformation lors de l'impression, grâce à des forces d'impression linéaires.
EP01969613A 2000-09-13 2001-08-20 Element d'appui pour cylindres ou tambours dans des machines d'impression Expired - Lifetime EP1322474B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10045146 2000-09-13
DE2000145146 DE10045146A1 (de) 2000-09-13 2000-09-13 Lagerung für Zylinder oder Trommeln in Druckmaschinen
PCT/EP2001/009559 WO2002022361A1 (fr) 2000-09-13 2001-08-20 Element d'appui pour cylindres ou tambours dans des machines d'impression

Publications (2)

Publication Number Publication Date
EP1322474A1 true EP1322474A1 (fr) 2003-07-02
EP1322474B1 EP1322474B1 (fr) 2008-10-15

Family

ID=7655973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01969613A Expired - Lifetime EP1322474B1 (fr) 2000-09-13 2001-08-20 Element d'appui pour cylindres ou tambours dans des machines d'impression

Country Status (3)

Country Link
EP (1) EP1322474B1 (fr)
DE (2) DE10045146A1 (fr)
WO (1) WO2002022361A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10343580B4 (de) * 2003-09-18 2013-07-18 Koenig & Bauer Aktiengesellschaft Walzenschloss mit einem Innenteil und einem Außenteil
DE102006011926B4 (de) * 2006-03-15 2010-03-18 Windmöller & Hölscher Kg Verfahren zur Lageeinstellung des Druckwerks einer Druckmaschine sowie Vorrichtung zur Durchführung dieses Verfahrens
US7753595B2 (en) 2007-03-01 2010-07-13 Hewlett-Packard Development Company, L.P. Printer drum bearing mount
DE102007030889A1 (de) 2007-07-03 2009-01-08 Manroland Ag Druckeinheit für eine Rotationsdruckmaschine
DE102008025997B4 (de) * 2008-05-29 2012-10-04 Windmöller & Hölscher Kg Farb- oder Druckwerk einer Druckmaschine
DE102010030331B4 (de) * 2010-06-22 2013-06-06 Koenig & Bauer Aktiengesellschaft Vorrichtungen zur Lagerung eines oder mehrerer Zylinder einer Druckmaschine
DE102011082679B4 (de) * 2011-09-14 2014-07-03 Koenig & Bauer Aktiengesellschaft Vorrichtung und Verfahren zur Befestigung und/oder Justage einer Lagervorrichtung eines Druckwerkszylinders
DE102013213511B4 (de) 2013-07-10 2015-11-05 Koenig & Bauer Ag Lagervorrichtung für einen Rotationskörper einer Druckmaschine
CN107718857B (zh) * 2017-11-09 2023-12-26 常德金鹏印务有限公司 一种压凸轴间距调整装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2090939A (en) * 1934-09-13 1937-08-24 Goss Printing Press Co Ltd Rotary printing press
DE1227916B (de) * 1962-04-28 1966-11-03 Maschf Augsburg Nuernberg Ag Lageranordnung fuer einen Zylinder von Druckmaschinen, insbesondere fuer den Gummi-zylinder einer Bogenoffsetdruckmaschine
US3326439A (en) * 1964-09-15 1967-06-20 Harris Intertype Corp Preloading structure for cooperating cylinders
DE2926570A1 (de) * 1979-06-30 1981-01-22 Koenig & Bauer Ag Anordnung zum gegenseitigen abstuetzen von miteinander in beruehrung stehenden zylindern eines druckwerkes
DE3808143A1 (de) * 1988-03-11 1989-09-21 Goebel Gmbh Maschf Einrichtung zum lagern
DE3808142A1 (de) * 1988-03-11 1989-09-21 Goebel Gmbh Maschf Lagereinrichtung
DE4126545C2 (de) * 1991-08-10 1994-11-24 Roland Man Druckmasch Dreiringwälzlager für die Zapfen der Zylinder von Druckmaschinen
DE4224318C2 (de) * 1992-07-23 1996-02-01 Roland Man Druckmasch Lagerung für Zylinder von Druckmaschinen
DE4401300A1 (de) * 1993-02-09 1994-08-11 Grapha Holding Ag Vorrichtung zur Verarbeitung von band- resp. blattförmigem Material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0222361A1 *

Also Published As

Publication number Publication date
DE10045146A1 (de) 2002-05-23
DE50114427D1 (de) 2008-11-27
WO2002022361A1 (fr) 2002-03-21
EP1322474B1 (fr) 2008-10-15

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