Compensated Finger Chuck

A chuck and claw technology, applied in the field of compensating finger-press chucks, can solve problems such as workpiece deformation and achieve the effect of reducing deformation

Active Publication Date: 2021-08-27
ZHEJIANG JINGSU MACHINE TOOL ACCESSORIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventor believes that for disc-like workpieces, due to the small thickness of the workpiece in the axial direction, when the outer circumference of the workpiece is clamped by the claws, the workpiece is easily deformed.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] refer to figure 1 , the disc workpiece includes a disc body 01 and a shaft body 02 .

[0052] refer to figure 2, The compensation type finger-press chuck includes a base 1 , a pull rod 2 and jaws 3 . The base 1 is cylindrical as a whole; there are three tie rods 2 parallel to the axis of the base 1, and the three are arranged at intervals along the circumference of the base 1. Rotate around its own axis; one end of the pull rod 2 protrudes from the base 1, and there are three corresponding claws 3, and one claw 3 is fixedly connected to the end of a pull rod 2 protruding from the base 1, and makes one end of the claw 3 along the pull rod The radial direction of 2 protrudes from the outer periphery of pull rod 2.

[0053] refer to figure 1 , 2 , the base 1 is also provided with a positioning piece 4, and the positioning piece 4 is located between the three pull rods 2. When working, the workpiece is placed on the positioning piece 4, and the end surface of the disc...

Embodiment 2

[0073] refer to Figure 9 , the disc-like workpiece includes a bump 03 , a disc body 01 and a shaft body 02 arranged in sequence along its axial direction.

[0074] The differences between this embodiment and Embodiment 1 are:

[0075] refer to Figure 9 , 10 , three bolts pass through the positioning member 4 and are connected to the seat body 11 to realize the detachable connection between the positioning member 4 and the seat body 11 . The end of the positioning member 4 facing away from the seat body 11 is provided with a positioning groove 41, the positioning groove 41 is adapted to the bump 03, that is, the circumferential side wall of the positioning groove 41 is attached to the outer periphery of the bump 03, and the disc body 01 is away from the shaft body When the end surface of 02 abuts against the end surface of the positioning member 4 , there is a gap between the groove bottom of the positioning groove 41 and the protrusion 03 .

[0076] The implementation pr...

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Abstract

The present application relates to a compensation type finger-press chuck, which includes a base, a pull rod and claws. The base is cylindrical as a whole; the pull rod is parallel to the axis of the base, and the pull rod slides in the base along its own axis, and the pull rod can rotate around its own axis; one end of the pull rod extends out of the base, and the claw is fixedly connected to the end of the pull rod protruding from the base. part, and make one end of the claw protrude from the outer circumference of the pull rod along the radial direction of the pull rod. The application has the advantages that when clamping a disc-like workpiece, the claws cooperate with the base to clamp the axial end face of the disc-like workpiece, avoiding extrusion of the workpiece along the radial direction of the disc-like workpiece, so as to reduce the deformation of the disc-like workpiece Effect.

Description

technical field [0001] The present application relates to the field of clamps, in particular to a compensating finger-press chuck. Background technique [0002] In machining, the use of the chuck is very extensive, and the chuck is often used to clamp the workpiece. [0003] The chuck usually includes a base and three jaws arranged on the base. The three jaws are evenly arranged along the circumference of the base, and each jaw slides along the radial direction of the base. The three jaws are synchronously close to the axis of the base. , the claws are pressed against the outer circumference of the workpiece, and then the workpiece is clamped. [0004] In view of the related technologies mentioned above, the inventor believes that for disc-like workpieces, due to the small thickness of the workpiece in the axial direction, when the outer periphery of the workpiece is clamped by claws, the workpiece is easily deformed. Contents of the invention [0005] In order to reduce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B31/02B23Q3/06
CPCB23B31/02B23Q3/06
Inventor 金灿灿罗国章
Owner ZHEJIANG JINGSU MACHINE TOOL ACCESSORIES
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