Device for broaching workpiece with help of additional ultrasonic vibration

A technology of ultrasonic vibration and processing equipment, which is used in broaching equipment, metal processing equipment, broaching machines, etc.

Inactive Publication Date: 2014-08-06
HANGZHOU DIANZI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems of tool life, surface finish and optimization space in existing broaching, the present invention provides a broaching device with ultrasonic vibration added to the workpiece

Method used

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  • Device for broaching workpiece with help of additional ultrasonic vibration

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Embodiment Construction

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

[0010] Such as figure 1 As shown, a broaching device with ultrasonic vibration added to the workpiece. It mainly includes an ultrasonic generator 1, an ultrasonic transducer 2, a workbench 3, an eddy current sensor 4, a sensor bracket 5, an ultrasonic horn 10, a preamplifier 6, a conversion board 7, a data acquisition card 9 and an industrial computer 8.

[0011] The ultrasonic transducer 2 is fixed on the large end face of the horn 10, and the ultrasonic transducer 2 is arranged coaxially with the horn 10, and the small end face of the horn 10 is fixed on the broaching machine by screwing On the table top of the workbench, the horn 10 is perpendicular to the table top of the workbench 3, the coil of the ultrasonic transducer 2 is connected to the signal receiving port of the ultrasonic generator 1, the eddy current sensor 4 is fixed on the broaching machine through t...

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PUM

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Abstract

The invention discloses a device for broaching a workpiece with the help of additional ultrasonic vibration. In the prior art, an existing device is complex in structure and not high in accuracy. The device comprises an ultrasonic generator, an ultrasonic energy exchanger, a working table, an eddy current sensor, a sensor support, an ultrasonic amplitude-change pole, a front amplifier, a conversion plate, a data acquisition card and an industrial personal computer. During broaching, a tool and the workpiece make contact with each other and are separated from each other periodically at a high frequency; it is quite different from that the tool and the workpiece make contact with each other all the time during normal broaching. During ultrasonic vibration broaching, the effects of improving workpiece machining quality, prolonging the service life of a broach, improving broaching surface smoothness and reducing built-up edges on the broach can be achieved according to the characteristic that the tool and the workpiece can be separated from each other.

Description

technical field [0001] The invention relates to a method and a device for an ultrasonic-assisted broaching process, in particular to a broaching device for adding ultrasonic vibration to a workpiece. Background technique [0002] Ultrasonic machining is a special processing that uses ultrasonic frequency to vibrate with a small amplitude, and through the hammering action of the abrasive free in the liquid between it and the workpiece on the surface to be processed, the surface of the workpiece material is gradually broken. Broaching can obtain high dimensional accuracy and small surface roughness, high productivity, and is suitable for mass production in batches. In the actual broaching production, the broaching load of the broach will change with the progress of the production, the cutting resistance is large, the quality of the processed surface is abnormal and the processing size is easy to fluctuate, which affects the processing accuracy, processing efficiency and proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D41/00
Inventor 倪敬刘晓晨蒙臻
Owner HANGZHOU DIANZI UNIV
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