Machining clamp for work piece having taper hole and used in numerically-controlled machine tool

A technology of CNC machine tools and taper holes, which is used in manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of inconvenient clamping and unloading, cannot effectively improve production efficiency, etc. The effect of locating stress points and reducing wear

Inactive Publication Date: 2016-10-05
TAIZHOU HUADONG NUMERICAL CONTROL ENGINE BED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the positioning and clamping of the inner hole can ensure the clamping effect, it is incon

Method used

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  • Machining clamp for work piece having taper hole and used in numerically-controlled machine tool

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Example Embodiment

[0012] see figure 1 , The present invention has a clamping body 1, a clamping shaft 2 and an unloading device 3; the clamping body 1 includes a body 11 and a positioning mandrel 12, one end of the body 11 is provided with a connecting part connected with the spindle of the numerical control machine tool, and the other end is fixed A positioning mandrel 12 is installed, and the positioning mandrel 12 is coaxial with the spindle of the CNC machine tool; the center of the positioning mandrel 12 is provided with a connection hole coaxial with it, and one end of the clamping shaft 2 is fixedly installed in the connection hole and is connected to the positioning The mandrel 12 is coaxial, and the other end is provided with a self-locking tapered surface 21 that fits with the taper hole of the workpiece 4; the unloading device 3 includes an air cylinder, an unloading plate 31, a push rod 32, a force block 33 and a return spring 34 The inside of the clamping body 1 is provided with a s...

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PUM

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Abstract

The invention relates to a machining clamp for a work piece having taper holes and used in a numerically-controlled machine tool. The machining clamp includes a clamp body, a clamping shaft and a stripping device; one of the clamp body is provided with a connection section which is connected to a main shaft of the numerically-controlled machine tool, and the other end of the clamp body is provided with a connection hole which is coaxial with the main shaft; one end of the clamping shaft is fixedly arranged in the connection hole, and the other end of the clamping shaft is provided with a self-locking taper surface fitting the taper hole of the work piece; the stripping device includes an air cylinder, a stripping plate, a push rod, a stressed block, and a reset spring; a slide groove is formed in the clamp body, and the stressed block is slidingly arranged in the slide groove; an end surface provided with the clamping shaft, of the clamp body is provided with a slide hole which communicates with the slide groove, wherein the push rod can pass through the slide hole; the stripping device slidingly sleeves the clamping shaft and is connected to the stressed block through the push rod; a push shaft of the air cylinder acts on the stressed block; the push rod is sleeved with the reset spring; and the reset spring is positioned between the stressed block and the bottom of the slide groove. The machining clamp is high in positioning accuracy, can conveniently clamp and strip the work piece, and can effectively improve the production efficiency.

Description

technical field [0001] The invention relates to a tool for a numerically controlled machine tool, in particular to a processing fixture for a workpiece with a tapered hole on a numerically controlled machine tool. Background technique [0002] When processing the outer surface of some workpieces with tapered holes, in order to ensure the processing quality, it is often necessary to ensure the coaxiality of the clamping. If a traditional three-jaw or four-jaw chuck is used for clamping, it is not only inconvenient to clamp, but also very time-consuming and laborious to measure the coaxiality after clamping. Therefore, when processing such workpieces, the inner hole can be positioned and clamped, and the coaxiality can be well guaranteed. Although positioning and clamping the inner hole can ensure the clamping effect, it is inconvenient to clamp and unload parts, and it cannot effectively improve production efficiency. Contents of the invention [0003] The object of the p...

Claims

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Application Information

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IPC IPC(8): B23Q3/14
Inventor 丛茂华
Owner TAIZHOU HUADONG NUMERICAL CONTROL ENGINE BED
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