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Clamp special for prismatic workpiece of digital controlled lathe

A technology of CNC lathes and special fixtures, applied in the direction of manufacturing tools, metal processing machinery parts, clamping, etc., can solve the problems of low production efficiency, unsuitable for mass production, difficult to control processing accuracy, etc., and achieves convenient operation and low production cost. , The effect of solving the difficulty of clamping

Inactive Publication Date: 2016-02-10
张俊锋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The most commonly used clamping method for quadrilateral clamping is to use four single-action chucks for clamping. Using four single-action chucks for clamping requires calibration of the workpiece, which requires more skilled operators, and the production efficiency is very low. Machining accuracy is difficult to control, very unsuitable for mass production

Method used

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  • Clamp special for prismatic workpiece of digital controlled lathe

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Embodiment Construction

[0009] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0010] As shown in the figure, the special fixture for prismatic workpieces of CNC lathes is composed of soft claws 3, screws 2 and clamp body 1. The threaded hole on the soft jaw 3 is matched with the through hole of the clamp body 1. After the threaded hole is matched, the clamp body 1 is divided into three parts, which are respectively connected with the three soft jaws 3 of the three-jaw chuck. The formed shape of soft paw 3 just in time is square. The workpiece can be clamped directly by clamping and loosening the three-jaw chuck.

[0011] The outer cylinder of ￠50X10 and the square hole of 30X30 are processed by wire cutting to ensure that the axis of the outer cylinder of ￠50X10 coincides with the symmetrical center line of the square hole of 30X30. Disassemble the original three-jaw chuck on the lathe and install the soft jaw 3, and ...

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Abstract

The invention discloses a clamp special for a prismatic workpiece of a digital controlled lathe. The clamp is composed of flexible claws, screws and a clamp body, wherein threaded holes in the flexible claws are matched with via holes of the clamp body, then the clamp body is divided into three parts which are connected with the three flexible claws of a three-claw chuck respectively, and the shape formed by the three flexible claws is right a quadrate. The workpiece can be clamped by directly using clamping and releasing of the three-claw chuck. The clamp special for the prismatic workpiece of the digital controlled lathe is high in positioning accuracy, is convenient to operate, solves the problem of difficult clamping of the workpiece, and largely improves the production efficiency on the premise of guaranteeing the machining accuracy, thereby achieving good economic benefits. The clamp is simple in structure and low in production cost.

Description

technical field [0001] The invention relates to a device for a numerically controlled machine tool, more specifically, a special fixture for a prismatic workpiece of a numerically controlled machine tool. Background technique [0002] Now CNC lathes can be used to process rotary parts with very complex shapes, but in actual production and processing, it is often encountered that the shape of the workpiece is not all rotary, and some workpieces can be processed by using CNC milling machines. The quadrilateral processed by the clamping process uses the CNC lathe to turn the rotary part of the workpiece. The most commonly used clamping method for quadrilateral clamping is to use four single-action chucks for clamping. Using four single-action chucks for clamping requires calibration of the workpiece, which requires more skilled operators, and the production efficiency is very low. The processing accuracy is difficult to control, and it is very unsuitable for mass production. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/12
CPCB23Q3/12B23Q2703/10B23Q2703/12
Inventor 张俊锋
Owner 张俊锋