A kind of support roll and core roll of Sendzimir rolling mill

A technology for supporting rolls and rolling mills, used in metal rolling, mechanical equipment, metal rolling, etc., can solve the problems of difficult and complicated replacement, burning bearings, etc., and achieves the effect of high fault tolerance, reduced loss, and no production time.

Active Publication Date: 2018-01-23
武汉钢铁有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a support roll and core roll of a Sendzimir rolling mill, which solves the technical problem that the support roll of the Sendzimir rolling mill has been damaged and the bearing is burned, and the replacement is difficult and complicated in the prior art

Method used

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  • A kind of support roll and core roll of Sendzimir rolling mill
  • A kind of support roll and core roll of Sendzimir rolling mill
  • A kind of support roll and core roll of Sendzimir rolling mill

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Embodiment Construction

[0022] The embodiment of the present application provides a Sendzimir rolling mill back-up roll and its core roll to solve the technical problem in the prior art that the back-up roll of the Sendzimir rolling mill has been damaged and the bearing is burned, and the replacement is difficult and complicated; the lifting oil circuit is reliable. High performance, reducing oil loss, ensuring the reliability of the sealing structure, and reducing the technical effect of maintenance difficulty.

[0023] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the embodiments of the present invention and the specific features in the embodiments are detailed descriptions of the technical solutions of the present application. , rather than limiting the technical solutions of the present application, the embodi...

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Abstract

The invention belongs to the technical field of rolling mills, and discloses a sendzimir mill back-up roll mandrel. The sendzimir mill back-up roll mandrel comprises a mandrel body and an axial direction compensation mechanism arranged at the end of the mandrel body. The axial direction compensation mechanism comprises a thrust block, a compensation block and a seal pad. The thrust block comprises a thrust barrel and a limiting check ring which is fixed to the end of the thrust barrel. The inner diameter of the limiting check ring is smaller than the inner diameter of the thrust barrel which is fixed to the end of the mandrel body. The compensation block comprises a primary compensation ring pad and a secondary compensation ring pad coaxial with the primary compensation ring pad. The secondary compensation ring pad is fixed to the primary compensation ring pad which is embedded inside the thrust barrel. The secondary compensation ring pad is embedded inside the limiting check ring. The seal pad is arranged at the end of the mandrel body, arranged inside the thrust barrel, and located between the primary compensation ring and the end of the mandrel body. The back-up roll mandrel is reliable in oil line, and simple and convenient to maintain.

Description

technical field [0001] The invention relates to the technical field of rolling mills, in particular to a support roll and a core roll of a Sendzimir rolling mill. Background technique [0002] The integral Sendzimir 20-high rolling mill has a complex roll system and a small opening of only 6.36mm. It has a variety of roll gap adjustment mechanisms, which are respectively a pressing mechanism, a side eccentric mechanism, a rolling line elevation adjustment mechanism, and a roll shape adjustment mechanism. Mechanism (ASU and an intermediate adjustment mechanism), since the backup roll needs to participate in the shape control during the rolling process, the backup roll of the Sendzimir 20-high mill is different from the conventional backup roll. The backup roll is composed of several backing bearings , saddle and mandrel, the backing bearing and the saddle are all arranged on a mandrel, all the rolling force is transmitted to the arch through the backing bearing, so the lubric...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B29/00F16J15/34F16J15/32
CPCB21B29/00F16J15/32F16J15/3452
Inventor 朱永章王朝磊艾昊董春明马正强陈文聪李睿王富刚张文强郑文军
Owner 武汉钢铁有限公司
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