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Plate strip straightening equipment and precision adjusting method thereof

A strip and straightening technology, applied in the field of strip straightening equipment and its precision adjustment, can solve the problems of inevitable work roll surface wear, pitting, and backup roll damage, and eliminate edge and middle wave defects. , The effect of improving the quality of the strip

Inactive Publication Date: 2012-08-15
武汉钢铁有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the straightening rollers work under high load for a long time, it will inevitably cause wear and pitting on the surface of the working rolls and damage to the backup rolls. The precision adjustment of the straight machine is a big issue related to the quality of steel plate products

Method used

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  • Plate strip straightening equipment and precision adjusting method thereof
  • Plate strip straightening equipment and precision adjusting method thereof
  • Plate strip straightening equipment and precision adjusting method thereof

Examples

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and examples of implementation. Of course, the following examples should not be construed as limiting the present invention.

[0024] like figure 1 and figure 2 As shown, it is a kind of strip straightening equipment provided by the embodiment of the present invention, which includes a frame 1, a main pressing device 2, a working roll set, a backup roll set, a roll seat, an upper wedge adjustment device 3, four A lower wedge adjustment device 4, a transmission mechanism 8, an upper casing 9, and a lower casing 10.

[0025] The work roll set includes an upper work roll set 6-1 and a lower work roll set 7-1 arranged alternately with the upper work roll set 6-1. In this implementation, the upper working roll set 6-1 includes three upper working rolls, and the lower working roll set 7-1 includes four lower working rolls. The support roller set includes an upper support ro...

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Abstract

The invention provides plate strip straightening equipment comprising a rack, a main pressing device, a work roller group, a supporting roller group, a roller seat, an upper inclined wedge adjusting device, a transmission mechanism, an upper box body and a lower box body. The main pressing device comprises four main hydraulic cylinders and the four main hydraulic cylinders are used for enabling the upper work roller group to generate different pressing amounts at an operation side and a transmission side. The upper inclined wedge adjusting device is arranged along the axially vertical direction of the upper working roller group. The upper inclined wedge adjusting device comprises a first upper inclined wedge, a first lower inclined wedge and a first oil cylinder. The first oil cylinder is used for driving the first upper inclined wedge and the first lower inclined wedge to move along a radial direction of the upper work roller group so as to increase the pressing amount of the upper work roller group. The plate strip straightening equipment can eliminate edge wave and middle wave defects of a plate strip. The invention further provides a precision adjusting method of the plate strip straightening equipment.

Description

technical field [0001] The invention relates to a metal strip straightening equipment, in particular to a strip straightening equipment and a precision adjustment method thereof. Background technique [0002] The main flow direction of hot-rolled products is roughly two aspects: on the one hand, they are used as raw materials for cold rolling and silicon steel deep processing to form cold-rolled sheet products; on the other hand, hot-rolled sheets are directly supplied as commercial materials. However, due to the influence of thermal stress, the original hot-rolled sheet has defects such as deflection, curvature, wave, camber and distortion, and internal residual stress to varying degrees, and the surface quality is not very good. Supply the market. The hot-rolled cross-cutting line is one of the important technological means to straighten the surface quality defects of the original hot-rolled plate. The production line generally has two straightening equipment, and one str...

Claims

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Application Information

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IPC IPC(8): B21D1/02
Inventor 李良洪严开勇陈燕才柳欣卢开颜祝洪川刘洋张航李玉婷黄炎锋
Owner 武汉钢铁有限公司
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