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Device for axially positioning eccentric bearing of printing cylinder in printing unit

An axial positioning and printing cylinder technology, applied in printing presses, rotary printing presses, printing and other directions, can solve the problems of difficulty in ensuring the axial position of the three-ring bearing, cumbersome assembly process, increased clearance, etc., and achieves easy processing and assembly. , Simple and compact structure, stable and reliable effect of axial direction

Inactive Publication Date: 2012-07-04
湖南汉升机器制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, during the installation process, the guarantee of the gap requires grinding of the pressing block 6, and the assembly process is cumbersome and complicated.
Furthermore, after long-time operation and repeated clutch pressure actions, the gap will gradually increase, making it difficult to ensure the axial position of the three-ring bearing.

Method used

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  • Device for axially positioning eccentric bearing of printing cylinder in printing unit
  • Device for axially positioning eccentric bearing of printing cylinder in printing unit
  • Device for axially positioning eccentric bearing of printing cylinder in printing unit

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Embodiment Construction

[0016] The present invention will be further described in detail below with reference to the drawings and specific embodiments of the specification.

[0017] Such as figure 1 As shown, the eccentric bearing of the printing cylinder in the printing unit generally adopts a three-ring bearing 3. The three-ring bearing 3 is composed of an outer ring 31, an intermediate ring 32, and an inner ring 33. The rolling bearing transitions between the ring and the ring, which can rotate relatively flexibly . Among them, the middle ring 32 is eccentric, and the eccentricity between the inner circle and the outer circle of the middle ring 32 is a. The three-ring bearing 3 is assembled into the hole of the printing machine frame 13, and the axial positioning of the bearing outer ring 31 is reliably positioned by the axial positioning device of the present invention. During the printing process, the clutch pressure driving force transmits the torque to the flange plate 2 through the connecting ...

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Abstract

The invention discloses a device for axially positioning an eccentric bearing of a printing cylinder in a printing unit, which comprises an axial positioning component and a press block, wherein the press block is provided with a set screw fitted with the axial positioning component, one end of the set screw facing the axial positioning component is provided with an accommodating hole, and the inside of the accommodating hole is provided with a rolling ball. The device disclosed by the invention has the advantages of simple and compact structure, low cost and the like, is stable and reliable,is flexible in adjustment and is simple and convenient to process and assemble.

Description

Technical field [0001] The invention mainly relates to the field of printing equipment, and particularly refers to an axial positioning device of an eccentric bearing in a printing cylinder. Background technique [0002] In printing components, three-ring bearings are often used as eccentric bearings, which are mainly used to support the printing cylinder components and realize the clutch pressing action. The three-ring bearing adopts the three-ring structure, and the offset of the printing cylinder axis line is realized by the rotation of the intermediate ring during the printing process, so as to realize the clutch pressing action. The ring bearings are composed of an outer ring, an intermediate ring, and an inner ring. The rolling bearing transitions between the ring and the ring, which can rotate relatively flexibly. Among them, the middle ring is eccentric, and the eccentricity between the inner circle and the outer circle of the middle ring is a. The three-ring bearing ne...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41F13/12B41F13/21
Inventor 韩君张继业胡定福
Owner 湖南汉升机器制造有限公司