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Pinch roll in front of rolling mill

A technology of pinch rolls and front clamps, used in metal rolling, metal rolling, metal processing equipment, etc.

Inactive Publication Date: 2014-03-26
DALIAN DESIGN INST CO LTD CHINA FIRST HEAVY IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a pinch roll before the finishing mill to solve the pinch problem of adding a finishing mill after the steckel mill

Method used

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  • Pinch roll in front of rolling mill
  • Pinch roll in front of rolling mill

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with drawings and embodiments.

[0014] figure 2 It is a structural schematic diagram of the front pinch roll of the rolling mill of the present invention. Including frame 3, rollers, transmission device, hydraulic cylinder 6 and body piping, frame 3 includes two left and right side frame pieces and the upper beam fixedly connected between the left and right side frame pieces and the left and right side frame pieces The lower beam at the lower part of the room, the left and right frame pieces and the upper and lower beams form a frame window, and the inner walls of the frame windows of the left and right frame pieces are provided with slide plates and lower pinch roller bearing seats, and the lower pinch roller bearing seats are fixed. In the lower part of the inner wall of the frame window; there are two hydraulic cylinders 6, which are respectively fixed on the top of the left and right side frame ...

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Abstract

The invention discloses a pinch roll in front of a rolling mill. The pinch roll comprises a frame, rolls, transmission devices, hydraulic cylinders and a mill body auxiliary tube, wherein the frame comprises a left side frame sheet, a right side frame sheet, and an upper transverse beam and a lower transverse beam which are fixedly connected between the left side frame sheet and the right side frame sheet; a frame window is enclosed by the left and right side frame sheets and the upper and lower transverse beams; the inner side wall of the frame window is provided with a slide plate; two hydraulic cylinders are fixed on the tops of the left side frame sheet and the right side frame sheet respectively; the two ends of a lower pinch roll are supported on lower pinch roll bearing bases of the left and right side frame sheets respectively through bearings; the two ends of an upper pinch roll are supported on bearing bases respectively through bearings; the two bearing bases are connected with piston rods of the two hydraulic cylinders on the tops of the left and right side frame sheets; the upper and lower pinch rolls are driven by the respective transmission device respectively. The pinch roll has the beneficial effects that the technical problem of pinching of strip steel into a finishing mill during connection operation between a steekle mill unit and the finishing mill is solved, tension can be borne, and the strip steel can be prevented from tilting and damaging the shell of a coiler furnace.

Description

technical field [0001] The invention belongs to the technical field of metallurgy, and in particular relates to auxiliary finishing mill rolling equipment in a hot continuous rolling stove coil mill unit in metallurgical production. Background technique [0002] In the production of my country's metallurgical industry, the steel coil mill unit is a late-developed hot continuous rolling technology. Due to the limited equipment composition of the prior art steckel mill unit, the increase in production capacity is limited. In order to maximize the utilization of the steckel mill, on the basis of the existing rolling line, several finishing mills can be added behind the steckel mill to reduce the number of rolling passes to increase production capacity. Therefore, it is necessary to set up a pinch and guide device in front of the finishing mill, which is used to pinch the strip into the finishing mill and bear the tension, while preventing the strip from lifting and damaging th...

Claims

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Application Information

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IPC IPC(8): B21B39/02
Inventor 李国臣孙韶辉廖新阳阮东辉
Owner DALIAN DESIGN INST CO LTD CHINA FIRST HEAVY IND
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