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Quick self-clamping heart-shaped fixture

A heart-shaped fixture and self-clamping technology, which is applied in the direction of clamping, manufacturing tools, supports, etc., can solve the problems of slipping and instability, easy to produce impact, and grinding into concave arcs, etc., to achieve reliable clamping force and prevent chipping Effect

Inactive Publication Date: 2018-11-23
徐州昊隆工具股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The chicken heart clamp is widely used on grinding machines or grinding devices. Its structure is a cylindrical cross section, which is prone to slippage and instability when the cutting force changes suddenly. When the tool is used, the lever on the fixture and the workpiece are likely to collide, and the reliability of the clamping is poor, resulting in chipping of the turning tool and the cutter head or grinding the outer circle of the workpiece into a concave arc, resulting in unnecessary economic losses.

Method used

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Examples

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with accompanying drawing.

[0012] Such as figure 1 and figure 2 As shown, a fast self-clamping chicken heart fixture includes a chicken heart fixture 1, the upper end of the chicken heart fixture 1 is hinged to a lever 3 through a pin shaft 2, the workpiece 4 is clamped in the middle of the chicken heart fixture 1, and the lower end of the lever 3 is Serrated and obliquely cut with the outer surface of the workpiece 4, the outer surface of the heart-shaped jig 1 is fixed with a spring piece 6 by a screw 5, and the other end of the spring piece 6 is against the lever 3.

[0013] Further, the top end of the lever 3 is in contact with a driving rod 7, and the driving rod 7 is installed on a lathe.

[0014] The lever 3 is driven to rotate by the lever 7, and the oblique saw teeth at the bottom of the lever 3 are in contact with the workpiece 4 to clamp the workpiece. The spring piece 6 between the lev...

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PUM

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Abstract

The invention discloses a quick self-clamping heart-shaped fixture. The heart-shaped fixture comprises a heart-shaped fixture body, the upper end of the heart-shaped fixture body is hinged with a lever through a pin shaft, and a workpiece is clamped in the middle of the heart-shaped fixture body, the lower end of the lever is in a zigzag shape and in beveling with the outer circular surface of theworkpiece, a leaf spring is fixed to the outer circular surface of the heart-shaped fixture body through a screw, and the other end of the leaf spring abuts against the lever. According to the fixture, instantaneously when a machine tool starts, reliable connection between the heart-shaped fixture and the workpiece can be kept, and the clamping force is more reliable.

Description

technical field [0001] The invention relates to a fast self-clamping chicken heart clamp, which belongs to the technical field of clamps. Background technique [0002] The chicken heart clamp is widely used on grinding machines or grinding devices. Its structure is a cylindrical cross section, which is prone to slippage and instability when the cutting force changes suddenly. When it is used, the lever on the fixture will easily collide with the workpiece, and the reliability of the clamping will be poor, resulting in chipping of the turning tool and the cutter head or grinding the outer circle of the workpiece into a concave arc, resulting in unnecessary economic losses. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the present invention provides a fast self-clamping chicken heart fixture, so that the chicken heart fixture and the workpiece can maintain a reliable connection at the moment when the machine tool is started, and the clamping...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/12B24B41/06
CPCB23Q3/12B24B41/062
Inventor 丛水龙
Owner 徐州昊隆工具股份有限公司
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