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Clamping device with pull-down function

A technology of clamping device and function, applied in the field of clamping device with pull-down function, can solve the problems of high cost, complex manufacturing structure, affecting positioning accuracy, etc., and achieve the effect of convenient operation and use, simple structure, stable and reliable clamping

Inactive Publication Date: 2014-10-15
TIANRUN IND TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When a standard three-jaw chuck is used to clamp a workpiece with a slope, the workpiece will move, causing the workpiece to leave the positioning surface and affect the positioning accuracy
To solve this problem, the existing method is to use a pull-down chuck, but the chuck body structure of the pull-down chuck is different from the commonly used standard chuck body structure, and it is a special chuck. The manufacturing structure of this special chuck is complicated and the cost is high. high
So far, there is no literature report on a clamping device with a pull-down function that can clamp a workpiece with a slope

Method used

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Embodiment Construction

[0015] From figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 It can be seen from the figure that a clamping device with a pull-down function is provided with a chuck body 1, a slider 2, a jaw body 4, and the like. The chuck body 1 and slider 2 are part of a standard chuck. Three sliders 2 are installed on the chuck body 1 at intervals of 120°, and can move radially along the chuck body 1 .

[0016] The claw body 4 is in an L-shaped structure, the bottom edge of which is fixed on the corresponding slider 2 by fastening screws 3, and the top of the upright edge is connected with a clamping pull-down claw 7 through a pin 6; the clamping pull-down The claw 7 is rotatably engaged on the inner side of the vertical side of the claw body 4, and a spring 5 is arranged between the clamping pull-down claw and the vertical edge of the claw body; The tines 71.

[0017] Further, the inner side of the vertical side of the claw body 4 is provided with a blind hole for installing...

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Abstract

The invention relates to a clamping device with a pull-down function. The clamping device comprises a clamping disc, three sliders, and jaw bodies; the sliders are mounted on the clamping disc at 120-degree intervals and can move radially along the clamping disc; each jaw body is in an L-shaped structure; the bottom of each jaw body is fixed on the corresponding slider through fastening screws; a clamping pull-down jaw is connected to the top end of the vertical side of each jaw body through a pin; each clamping pull-down jaw is rotatably clamped to the inner side of the vertical side of the corresponding jaw body; a spring is mounted between each clamping pull-down jaw and the vertical side of the corresponding jaw body; the surface, facing a workpiece, of the middle of each clamping pull-down jaw is provided with raised sharp teeth. When rotating around the corresponding pin, each clamping pull-down jaw constantly provides a force of pulling down the workpiece, and the workpiece is clamped and pulled down. The clamping device is simple and reasonable in structure, convenient to operate and use and capable of clamping the workpiece stably and reliably and has the pull-down function. The clamping device is especially suitable for clamping tapered workpieces.

Description

technical field [0001] The invention relates to the field of mechanical clamps, in particular to a clamping device with a pull-down function. Background technique [0002] When a standard three-jaw chuck is used to clamp a workpiece with a slope, the workpiece will move, causing the workpiece to leave the positioning surface and affecting the positioning accuracy. To solve this problem, the existing method is to use a pull-down chuck, but the chuck body structure of the pull-down chuck is different from the commonly used standard chuck body structure, and it is a special chuck. The manufacturing structure of this special chuck is complicated and the cost is high. high. So far, there is no literature report on a clamping device capable of clamping inclined workpieces and having a pull-down function. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the above-mentioned prior art, and provide a ...

Claims

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Application Information

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IPC IPC(8): B23B31/103
CPCB23B31/103B23B2231/2072
Inventor 徐承飞毕可国孙军刘增辉
Owner TIANRUN IND TECH CO LTD
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