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Bearing system for printing pressing and printing press thereof

A technology for printing machines and flexographic printing machines, 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: 2010-06-23
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
  • Bearing system for printing pressing and printing press thereof

Examples

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Effect test

Embodiment Construction

[0020] 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 conical 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 for loosening 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 in the ...

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Abstract

The present invention relates to a bearing system of a printing press and the printing press thereof. The bearing system is used for supporting a free end of a cylinder or a roller which is suspended in middle air and supported at one end of a flexographic printing press and is composed as a shaft journal, wherein, the baring system comprises at least one first housing which can move transversely with a longitudinal axis of the cylinder or the roller, a second housing which can move parallelly with the longitudinal axis of the cylinder or the roller in the first housing, and a rolling bearing. The second housing is basically provided with an outer circumferential surface which is arranged conically on the whole axial extension. The inclination angle (alpha) of the outer circumferential surface relatively to the longitudinal axis of the cylinder or the roller is smaller than or equal with 10 DEG, and is preferably smaller than or equal with 5 DEG. Furthermore the first housing is provided with an inner circumferential area which is composed correspondingly with the outer circumferential surface of the second housing that is arranged conically and is also arranged conically for forming an axial stop catch. Besides, the invention relates to the printing press with the bearing system, and particularly to the flexographic printing press.

Description

technical field [0001] The invention relates to a releasable and displaceable bearing system having the features stated in the preamble of claim 1 for cylinders or rollers on a printing press, in particular a flexographic printing press, which are suspended at one end, The free end formed as a journal is supported. 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 ...

Claims

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Application Information

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Patent Type & Authority Applications(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
Owner SCHAEFFLER TECH AG & CO KG
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