Bearing system for printing pressing and printing press thereof

A technology for printing machines and bearings, which is applied to printing machines, general parts of printing machinery, rotary printing machines, etc., and can solve problems such as no longer ensuring that the bearing system is loosened

Inactive Publication Date: 2014-06-11
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the small radial play required to achieve an outstanding printing quality, there is the risk in the described bearing system that the holding head jams, especially in the guide area running parallel to the guides, and thus the bearing system is no longer secured. release

Method used

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  • Bearing system for printing pressing and printing press thereof

Examples

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Embodiment Construction

[0019] The bearing system 10 shown comprises a first housing part 11 and a second housing part 12 guided axially within the first housing part 11 . The second housing part 12 is solid and has an outer circumferential surface extending conically over its entire axial extension. The cone of the second housing part 12 is surrounded by a correspondingly conically running inner peripheral region 11.1 of the first housing part 11, which simultaneously serves as an axial stop. On the conically distributed inner peripheral area 11.1 of the first housing part 11, a cylindrical inner peripheral area 11.2 is connected, and the inner peripheral area 11.2 encloses the following cavity, and the cone of the second housing part 12 is loose The bearing system can be pulled back into this cavity. For the axial displacement required for this purpose, the second housing part 12 is connected via a piston rod to a pneumatically actuatable piston 19 . The piston 19 is guided axially displaceably i...

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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

technical field [0001] The invention relates to a releasable and displaceable bearing system for supporting the free ends of cylinders or rollers on printing presses, in particular flexographic printing presses, which are supported at one end and are formed as journals. Furthermore, the invention relates to a printing machine, in particular a flexographic printing machine, having such a bearing system. Background technique [0002] On such printing presses, in particular flexographic printing presses, the image to be printed is changed by changing the printing cylinder sleeve carrying the relief plate, the so-called “sleeve”. In order to be able to change the sleeve, the respective printing cylinder or the respective roller must be freely accessible at least temporarily at one end. Therefore, such cylinders or rollers are generally supported in the air at one end. That is to say, the end of the free bearing is provided with a bearing system for accommodating the journal or...

Claims

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Application Information

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Patent Type & AuthorityPatents(China)
IPC IPC(8): B41F13/26B41F31/30F16C13/02
CPCB41P2227/21B41F13/20
Inventor托马斯·迪滕霍费尔哈姆德·拉姆扎纳利
OwnerSCHAEFFLER TECH AG & CO KG