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Adjusting device for gap between shear blades of hydraulic shears

A gap adjustment device and hydraulic technology, which is applied in the direction of shearing devices, shearing machine accessories, shearing machine equipment, etc., can solve the problems of poor adjustment accuracy and slow adjustment speed, and achieve good adjustment accuracy, fast adjustment speed, and easy operation. convenient effect

Active Publication Date: 2014-04-30
CHINA NAT HEAVY MACHINERY RES INSTCO
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a hydraulic shearing blade gap adjustment device, which overcomes the traditional cold rolling production. Adjusting the hydraulic shearing blade gap is generally carried out by adjusting gaskets, using jackscrews, etc. These methods generally have slow adjustment speeds. Problems with disadvantages such as poor adjustment accuracy

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  • Adjusting device for gap between shear blades of hydraulic shears

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Embodiment Construction

[0016] A hydraulic shear blade gap adjustment device, comprising a fixed wedge 2, a movable wedge 3, a driving device 4, and a shear blade holder side pushing device;

[0017] The driving device 4 is connected with the moving wedge block 3 to drive the moving wedge block 3 to move in the vertical direction; the moving wedge block 3 is placed between the fixed wedge block 2 and the shear blade holder side pushing device; The slope of the wedge 3 is opposite to the slope of the fixed wedge 2 and arranged parallel to each other.

[0018] The described shearing knife rest side pushing device is made up of fixed block 8, guide pin 9, compression spring 10, compression screw 11 and compression block 12;

[0019] The pressing block 12 is placed between the fixed block 8 and the moving wedge block 3;

[0020] The fixed block 8 is provided with a threaded through hole perpendicular to the pressing block 12, the holding spring 10 is placed in the threaded through hole, and the pressing...

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Abstract

The invention relates to the technical field of hydraulic shears for cold-rolled steel strips, in particular to an adjusting device for a gap between shear blades of hydraulic shears. The adjusting device comprises a fixed wedge, a movable wedge, a driving device and a shear knife rest side pushing device. The driving device is connected with the movable wedge to drive the movable wedge to act along the vertical direction; the movable wedge is arranged between the fixed wedge and the shear knife rest side pushing device; an oblique plane of the movable wedge and an oblique plane of the fixed wedge are opposite and parallel to each other. The adjusting device has the advantages that the movable wedge can be adjusted when moving up and down, so that the shear blades on a knife rest can move left and right, the gap between the shear blades can be adjusted, and the adjusting device is convenient to operate, is high in adjustment precision when used for adjusting the gap between the shear blades, is high in adjustment speed and has an excellent application and popularization prospect.

Description

technical field [0001] The invention relates to the technical field of hydraulic shears for cold-rolled steel strips, in particular to a hydraulic shear blade gap adjustment device. Background technique [0002] In the cold-rolled strip technology, when encountering irregular strip head and tail or broken strip, it is necessary to use hydraulic shears to cut off the irregular strip. The hydraulic shear is composed of a fixed shear blade and a shear blade. When shearing, the shear blade is driven and tangent to the fixed blade to cut the strip steel. For strips of different thicknesses, the required gaps between the cutting blades are different. Generally speaking, the thinner the thickness of the strip, the smaller the corresponding gap between the cutting blades. In modern cold rolling production, in order to meet the market demand for strip products of different specifications, the product specifications produced by cold rolling mills are required to be diversified. When...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D33/00B23D15/04
Inventor 谢磊王迪计江闫成琨
Owner CHINA NAT HEAVY MACHINERY RES INSTCO
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