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Twenty-high rolling mill backing roller convexity adjusting device

A technology of adjusting device and rolling mill, applied in the direction of metal rolling stand, metal rolling mill stand, metal rolling, etc., can solve the problems of slow command response speed, unable to adjust with load, long correction time, etc. The effect of convenience, improved response speed and high sensitivity

Inactive Publication Date: 2013-06-19
THE NORTHWEST MACHINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the crown adjustment of the backing roll of a 20-high rolling mill is to install a set of hydraulic motor and worm gear reducer on each deviation adjustment rack to drive the deviation adjustment rack to move up and down to adjust the roll shape; the hydraulic oil passes through the electro-hydraulic reversing valve Entering the hydraulic motor, the command response speed of the system is slow, the correction time is long, the sensitivity is low, and it cannot be adjusted with load

Method used

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  • Twenty-high rolling mill backing roller convexity adjusting device
  • Twenty-high rolling mill backing roller convexity adjusting device
  • Twenty-high rolling mill backing roller convexity adjusting device

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Embodiment Construction

[0016] Such as figure 1 with figure 2 As shown, the present invention includes a backing roller assembly 1, a deviation adjustment rack 2 and a hydraulic cylinder 3 with a displacement sensor 4, and the backing roller assembly 1 includes a frame 1-3, a first roller 5-1, a second The roller 5-2, the first convexity deviation adjustment gear 1-1 and the second convexity deviation adjustment gear 1-2, the first roller 5-1 and the second roller 5-2 are arranged oppositely and are installed on the frame 1-3, the first convexity deviation adjustment gear 1-1 is installed on the first roller 5-1, and the second convexity deviation adjustment gear 1-2 is installed on the second roller 5-2, so The first convex deviation adjustment gear 1-1 and the second convex deviation adjustment gear 1-2 are arranged oppositely; the hydraulic cylinder 3 is installed on the frame 1-3, and the deviation adjustment rack 2 is installed on the hydraulic cylinder 3 and is meshed with the first convex d...

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Abstract

The invention discloses a twenty-high rolling mill backing roller convexity adjusting device which comprises a backing roller assembly, a deviation adjusting rack and a hydraulic cylinder with a displacement sensor. The backing roller assembly comprises a rack, a first roller, a second roller, a first convexity deviation adjusting gear, and a second convexity deviation adjusting gear. The first roller and the second roller are arranged oppositely and installed on the rack, the first convexity deviation adjusting gear is installed on the first roller, the second convexity deviation adjusting gear is installed on the second roller, and the first convexity deviation adjusting gear and the second convexity adjusting gear are arranged oppositely. The hydraulic cylinder is arranged on the rack, the deviation adjusting rack is arranged at the end portion of a piston rod of the hydraulic cylinder, and the deviation adjusting rack is meshed with the first convexity adjusting gear and the second convexity adjusting gear to achieve convexity adjusting for the first roller and the second roller. The displacement sensor is installed on a cylinder body of the hydraulic cylinder and used for displaying the eccentric position of the first roller and the eccentric position of the second roller. The twenty-high rolling mill backing roller convexity adjusting device is simple in structure, convenient to use and operate, capable of improving system instruction responding speed and shortening correcting time, high in sensitivity, and capable of achieving on-load adjustment.

Description

technical field [0001] The invention belongs to the technical field of metal strip rolling, and in particular relates to a crown adjustment device for a backing roll of a 20-roll rolling mill. Background technique [0002] At present, the crown adjustment of the backing roll of a 20-high rolling mill is to install a set of hydraulic motor and worm gear reducer on each deviation adjustment rack to drive the deviation adjustment rack to move up and down to adjust the roll shape; the hydraulic oil passes through the electro-hydraulic reversing valve Entering the hydraulic motor, the command response speed of the system is slow, the correction time is long, the sensitivity is low, and it cannot be adjusted with load. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the above-mentioned prior art, and provide a 20-high rolling mill backing roll crown adjustment device, which has a simple structure, reasonable design, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B31/16
Inventor 杨志强苏小玉封海滨赵海琳
Owner THE NORTHWEST MACHINE
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