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Variable-diameter circular sheet fixture structure and method

A fixture and circular technology, applied in the field of grinding processing, can solve the problems of affecting the production progress, long time for fixture replacement, etc., to achieve the effect of improving processing quality, easy handling and installation, and small total weight

Inactive Publication Date: 2018-06-15
QINGDAO TECHNOLOGICAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the mold for grinding automobile gaskets on a German magnetic grinding machine has a fixed diameter. To process automobile gaskets with different diameters, it is necessary to replace the fixture, which takes a long time to replace the fixture and affects the production progress.

Method used

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  • Variable-diameter circular sheet fixture structure and method
  • Variable-diameter circular sheet fixture structure and method
  • Variable-diameter circular sheet fixture structure and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] As introduced in the background technology, there are deficiencies in the prior art. In order to solve the above technical problems, the present application proposes a variable-diameter circular sheet clamp structure.

[0043] In a typical implementation of the present application, such as figure 1 As shown, a variable-diameter circular sheet clamp structure includes a clamp base 2 with an annular groove on the surface, a clamp cover 8 and at least one clamp, the clamp includes a screw 3, and the screw 3 is along the diameter of the annular groove Set in the annular groove and one end of the lead screw passes through the outer wall of the fixture base 2, the lead screw 3 cooperates with the movable clamp 4 to drive the movable clamp 4 to move, and the surface of the movable clamp 4 is provided with a chuck with a chuck groove 6 5. The bayonet pin 7 can move freely in the chuck groove 6, and the workpiece to be processed is arranged on the surface of the chuck 5. The bay...

Embodiment 2

[0054] The present invention also provides a grinding machine, which adopts the variable-diameter circular sheet clamp structure described in Embodiment 1.

Embodiment 3

[0056] A method for using a variable-diameter circular sheet clamp structure, comprising the following steps:

[0057] 1) Fix the fixture base on the processing platform with bolts;

[0058] 2) According to the size of the sheet to be processed, use the hexagonal wrench to adjust the movable clamping plate to the proper position. The three fixtures can be adjusted separately or at the same time. Each adjustment must ensure the same angle set by the inner hexagonal rotation;

[0059] 3) Place the sheet to be processed at the center of the fixture structure, adjust the bayonet position so that the bayonet is in direct contact with the sheet to be processed, turn the lead screw again, and realize the fixing of the sheet to be processed by the force self-locking of the bayonet;

[0060] 4) Start processing parts;

[0061] 5) After the processing is completed, use a hexagonal wrench to reversely turn the screw, the bayonet self-locking disappears, and the workpiece is removed;

...

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Abstract

The invention discloses a variable-diameter circular sheet fixture structure and method, solves the problem of a grinding machine fixture incapable of changing the size in the prior art, and has the beneficial effects of reduction of the workload of operators, saving of the manpower and reduction of the production cost. The variable-diameter circular sheet fixture structure comprises a fixture base provided with an annular groove in the surface, and at least one fixture; the fixture comprises a lead screw; the lead screw is arranged in the annular groove in the diameter direction of the annular groove; one end part of the lead screw penetrates through the outer side wall of the fixture base; the lead screw cooperates with a movable clamping plate to drive the movable clamping plate to move; a chuck with a chuck groove is arranged on the surface of the movable clamping plate; a clamping pin can freely move in the chuck groove; workpieces to be machined are arranged on the surface of thechuck; and the clamping pin is contacted with the chuck groove in the radial directions of the workpieces to be machined to fix the workpieces to be machined.

Description

technical field [0001] The invention relates to the technical field of grinding processing, in particular to a structure and method of a variable-diameter circular sheet clamp. Background technique [0002] A grinder is a machine tool that uses abrasive tools to grind the surface of a workpiece. Most grinding machines use high-speed rotating grinding wheels for grinding, and the workpiece needs to be clamped stably by special fixtures during processing. [0003] The existing grinding method is to use a surface grinder to grind by fixing the block clamping fixture. Grinding in this way takes a long time to clamp and align the workpiece, and it is not easy to guarantee the parallelism and flatness. Since the grinding wheel reciprocates back and forth, left and right, the requirements of dynamic balance cannot be guaranteed when processing rotary tools, and because the grinding wheel of the surface grinder is large, the cutting force is also large when the tool is fed, and it...

Claims

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Application Information

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IPC IPC(8): B24B41/06
CPCB24B41/06
Inventor 王永武孙树峰邵晶王萍萍王津丁瑞堂王铭禹张华锋
Owner QINGDAO TECHNOLOGICAL UNIVERSITY
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