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Rotating-preventing positioning device

A positioning device and anti-rotation technology, applied in the direction of positioning device, clamping, supporting, etc., can solve the problems of reduced processing efficiency, inconvenient operation, difficult centering and clamping of workpieces, etc., to achieve the effect of simple structure

Inactive Publication Date: 2013-02-27
CHONGQING TIANZHIDAO SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the outer surface of most workpieces needs to be processed, in order to facilitate the processing of the workpiece by the machine tool, the current clamping device has a complicated structure and is inconvenient to operate, and it is difficult to perform centering clamping on the workpiece, or the centering clamping is not firm enough. The effect of centering and clamping is not good, which greatly reduces the processing efficiency and has a great impact on production

Method used

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  • Rotating-preventing positioning device

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Embodiment Construction

[0007] As shown in Figure 1, a kind of anti-rotation positioning device of the present invention comprises base 1, jaw 3, base 1 is fixed on the frame by bolt 2, jaw 3 is hinged with base 1, jaw 3 is provided with At the positioning end, the base 1 is provided with a thimble 5 and an elastic plug 6, and the bottom of the elastic plug 6 is provided with a return spring 7, and the elastic plug 6 is installed on the base 1, and the left end of the elastic plug 6 is an arc that fits with the bottom of the jaw end, due to the action of the return spring 7 at the bottom of the elastic head, displacement can occur. When the jaw 3 is positioning the workpiece, the positioning end of the jaw 3 fits closely into the keyway in the workpiece to prevent it from rotating. The set on the base 1 The thimble 5 withstands the workpiece 4 during processing, so that the workpiece can be better positioned.

[0008] The above are only preferred embodiments of the present invention. It should be po...

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Abstract

The invention discloses a rotating-preventing positioning device, and relates to the technical field of positioning devices. The rotating-preventing positioning device comprises a base, a rack and a clamping jaw, wherein the clamping jaw is hinged with the base; a groove and a protruding positioning end are formed on the clamping jaw; an ejector pin and an elastic ejector header are arranged on the base; a return spring is arranged at the bottom of the elastic ejector header; and one end of the elastic ejector header is arranged on the base while the other end of the elastic ejector header is an arc-shaped end which is clung to the bottom of the clamping jaw. By adopting the rotating-preventing positioning device, the defect that the rotation is caused during positioning a component can be overcome, the efficiency can be improved, and the cost can be reduced.

Description

technical field [0001] The invention belongs to the technical field of positioning devices, in particular to an anti-rotation circular positioning device. Background technique [0002] At present, positioning devices are widely used in machining. The clamping device is a mechanism that enables the positioned workpiece to be reliably fixed on the positioning element during the entire processing process without changing its position. When clamping the workpiece, it is not allowed to damage the positioning of the workpiece, and there should be enough rigidity to ensure the necessary clamping force, but it should not damage the processed surface of the workpiece or deform the workpiece, so as to ensure the processing accuracy. Since the outer surface of most workpieces needs to be processed, in order to facilitate the processing of the workpiece by the machine tool, the current clamping device has a complicated structure and is inconvenient to operate, and it is difficult to per...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/00
Inventor 姜静慧
Owner CHONGQING TIANZHIDAO SCI & TECH DEV
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