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Flexible hydraulic jaw

A hydraulic pliers, flexible technology, applied in the field of flexible hydraulic pliers, can solve the problems of different curvatures and so on

Inactive Publication Date: 2013-10-09
SHENYANG AIRCRAFT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of anti-aircraft technology, there are more and more large-scale overall skin structures with different curvatures. The original hydraulic jaws can no longer meet the needs of skin processing.

Method used

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Examples

Experimental program
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Embodiment Construction

[0014] like Figure 1 to Figure 4 As shown, a flexible hydraulic jaw is provided with a double-acting hydraulic cylinder in the middle of the clamp body 1, and the top of the double-acting hydraulic cylinder piston 8 is movably connected with two symmetrically distributed guide rails 14 through a top block 9, and the two The inboard of guide rail 14 is respectively provided with wedge-shaped slide block 12, and the inboard surface of slide block 12 is provided with clamping spacer 13, is connected with wedge-shaped fixed block 10 by flat key 11 at clamp body 1, and the slope of fixed block 10 and The inclined planes of the slider 12 cooperate; two parallel lugs 17 are arranged on the front and rear surfaces of the clamp body 1 respectively, and a pin shaft 15 is arranged between the two lugs 17 on the rear surface. When multiple clamp bodies 1 are connected, the lugs 17 on the front surface are movably connected with the lugs 17 on the rear surface of the previous clamp body t...

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Abstract

The invention relates to a flexible hydraulic jaw. A double-acting hydraulic cylinder is arranged in the middle of a clamp body; the top end of a piston of the double-acting hydraulic cylinder is movably connected with two symmetrically distributed guide rails through an ejector block; the inner sides of the two guide rails are provided with wedged sliding blocks respectively; clamping pads are arranged on the inner side surfaces of the sliding blocks; the clamp body is connected with wedged fixing blocks through flat keys; the inclined surfaces of the fixing blocks are matched with the inclined surfaces of the sliding blocks; two parallel lugs are arranged on the front surface and the rear surface of the clamp body respectively; and a pin shaft is arranged between the two lugs on the rear surface. The flexible hydraulic jaw can be adjusted into shapes such as a linear shape, a curved shape and the like according to the shape of the section of a part on the basis of a stretching molding requirement, and has stretching molding functions of skin parts with stretching molding reverse curvatures and large curvature radiuses, and large-section profile parts.

Description

technical field [0001] The invention relates to a flexible hydraulic jaw, which is used as a device for clamping and fixing parts during skin stretching and forming, and is installed on a skin stretching machine. Background technique [0002] The hydraulic jaw is a key part of the skin stretching machine, its function is to clamp and fix the sheet metal parts, and the sheet metal parts are stretched and formed through various actions of the stretching machine. Double-curvature skin parts are generally formed by stretching, that is, the two ends of the sheet are clamped by the hydraulic jaws of the stretching machine, and the drawing die lifted by the workbench contacts the sheet to produce uneven plane tensile strain. Sheet deformation. With the development of anti-aircraft technology, there are more and more large-scale overall skin structures with different curvatures. The original hydraulic jaws can no longer meet the needs of skin processing. Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21D22/20B21D43/00
Inventor 姚绵利
Owner SHENYANG AIRCRAFT CORP
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