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Anti-disengagement clamp with self-locking type worm

A self-locking, worm technology, applied in the direction of clamping, clamping devices, manufacturing tools, etc., can solve the problems of unreliable clamping and easy loosening, and achieve the effects of high positioning accuracy, reliable anti-loosening structure, and reasonable design

Inactive Publication Date: 2014-04-16
WUHU TIANXIONG NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems of unreliable clamping and easy loosening caused by existing clamps, the present invention provides a worm self-locking anti-loosening clamp

Method used

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  • Anti-disengagement clamp with self-locking type worm
  • Anti-disengagement clamp with self-locking type worm

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Such as figure 1 , figure 2 As shown, the worm self-locking anti-loosening fixture includes a fixture seat 1, a screw rod 2, a moving block 3, and a clamping block 4. On the concave edge of the upper end of the block 3, the screw 2 meshes with the moving block 3, and also includes a worm wheel 5 and a worm 6. The worm wheel 5 is assembled on the screw 2 through a key, and the worm 6 is assembled on the fixture seat 1 through a rolling bearing. And mesh with worm gear 5.

[0019] The helix angle of the worm 6 is smaller than the equivalent friction angle of the meshing surface with the worm wheel 5 . The worm 6 is a single-head worm, and its cross-sectional tooth profile is an Archimedes spiral.

Embodiment 2

[0021] Such as figure 1 , figure 2 As shown, the worm self-locking anti-loosening fixture includes a fixture seat 1, a screw rod 2, a moving block 3, and a clamping block 4. On the concave edge of the upper end of the block 3, the screw 2 meshes with the moving block 3, and also includes a worm wheel 5 and a worm 6. The worm wheel 5 is assembled on the screw 2 through a key, and the worm 6 is assembled on the fixture seat 1 through a rolling bearing. And mesh with worm gear 5.

[0022] The helix angle of the worm 6 is smaller than the equivalent friction angle of the meshing surface with the worm wheel 5 . The worm 6 is a double-headed worm, and its cross-sectional tooth profile is a concave arc.

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PUM

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Abstract

The invention discloses an anti-disengagement clamp with a self-locking type worm, and belongs to the field of clamps. The anti-disengagement clamp with the self-locking type worm comprises a clamp base, a screw, a movable block and a clamping block, wherein the upper end of the clamp base is pressed on the concave edge at the lower end of the movable block, the lower end of the clamping block is pressed on the concave edge at the upper end of the movable block, and the screw is meshed with the movable block. The anti-disengagement clamp with the self-locking type worm further comprises a worm wheel and the worm, the worm wheel is assembled on the screw through a key, and the worm is assembled on the clamp base through a rolling bearing and is meshed with the worm wheel. The anti-disengagement clamp with the self-locking type worm solves the problems that an existing clamp is unreliable in clamping and holding and loosens easily, and has the advantages of being simple in structure, reasonable in design and easy to manufacture.

Description

technical field [0001] The invention belongs to the field of fixtures, and more specifically relates to a worm self-locking anti-loosening fixture for preventing loose clamping of workpieces. Background technique [0002] In the machinery manufacturing industry, lathes are widely used to process various parts. When processing parts, the problem of clamping and positioning is involved. When the workpiece is being processed, it is clamped by the fixture so that it can be adapted to various cutting processes. However, due to the vibration of the machine tool and the action of the cutting force during the processing, the fixture is loose, and the workpiece is loose due to insufficient clamping force of the workpiece, which reduces the machining accuracy, and in severe cases, the workpiece will be thrown out. . Contents of the invention [0003] Aiming at the problems of unreliable clamping and easy loosening caused by the existing clamps, the invention provides a worm self-l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/00
CPCB23Q3/06B23Q2703/02
Inventor 黄雄关
Owner WUHU TIANXIONG NEW MATERIAL TECH
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