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High-low frequency compound torsional vibration tapping device

A technology of torsional vibration and tapping device, which is used in tangent devices, metal processing equipment, manufacturing tools, etc., can solve the problems of strict restrictions on workpiece shape and geometric size, complicated operation, and difficult to ensure the coaxiality of processing holes. The effect of improving tapping processing efficiency, simplifying device structure and improving processing quality

Inactive Publication Date: 2010-01-27
BEIHANG UNIV
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Problems solved by technology

At present, there are few high-low-frequency compound torsional vibration tapping devices. The existing method of low-frequency torsional vibration through the tool and high-frequency torsional vibration of the workpiece can produce high-low frequency compound vibration processing, but this method has a great impact on the shape and geometric dimensions of the workpiece. The restrictions are strict, and only tiny parts can be processed. In addition, in this method, the coaxiality of the tool and the machining hole required by the workpiece is not easy to ensure, and the operation is complicated. Additional high-frequency vibration accessories need to be installed, which limits the high-low frequency composite torsional vibration processing method. Applications

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  • High-low frequency compound torsional vibration tapping device

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Embodiment Construction

[0058] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0059] A high-low frequency composite torsional vibration high-efficiency tapping device suitable for low frequency below 60 Hz and high frequency above 16 kHz of the present invention includes a spindle mechanism 1 , an ultrasonic transducer vibration assembly 2 , a floating assembly 3 and a servo motor 4 .

[0060] (1) Spindle mechanism 1

[0061] see figure 1 , Figure 4 , Figure 4A ~ Figure 4F As shown, the spindle mechanism 1 includes a spindle box 11 , an auxiliary feed assembly 12 , a spindle sleeve 13 , an operation panel 14 , a spline assembly 15 , a gland 16 , and a telescopic connector 17 .

[0062] The center of the mounting plate surface 11a of the spindle box 11 is provided with an A through hole 11d, and the A through hole 11d is used to place the rack sleeve 12a; four corners of the mounting plate surface 11a are provided with four threade...

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Abstract

The invention discloses a high-low frequency compound torsional vibration tapping device comprising a main shaft mechanism, an ultraphonic transduction vibration assembly, a floating assembly and a servo motor, wherein the ultraphonic transduction vibration assembly is arranged in the main shaft mechanism; the servo motor is arranged on a supporting plate of the floating assembly; and the floating assembly is arranged on the surface of a mounting plate of a main shaft box of the main shaft mechanism. The torsional vibration tapping device can be suitable for high-low frequency compound torsional vibration tapping with low frequency less than 60 Hz and high frequency more than 16 kHz and combines low frequency torsional vibration provided by the servo motor and high frequency torsional vibration provided by the ultraphonic transduction vibration assembly, thereby realizing the high-low frequency compound torsional vibration tapping of a cutter, simplifying the structure of the device and enhancing the precision of equipment; in addition, the invention realizes the radial floating of the cutter by installing an X-directional floating assembly and a Y-directional floating assembly, prevents larger radial force from being generated during processing and realizes the flexible processing of the torsional vibration tapping device in such a way that the axial floating of a main shaft of the cutter is provided by a spline part assembly.

Description

technical field [0001] The present invention relates to a vibration tapping device, more particularly, a compound torsional vibration high-efficiency tapping device suitable for working at a low frequency below 60 Hz and a high frequency above 16 kHz. Background technique [0002] Under the existing technical conditions, the threaded hole processing of difficult-to-machine materials (such as stainless steel, high-strength steel, titanium alloy and high-temperature alloy, etc.) generally adopts the processing method of manual tapping. During the tapping process, the tap is often due to excessive tapping torque. And break off, very easily cause the scrapping of workpiece. Vibration tapping can significantly reduce the tapping torque, improve tool life and thread quality, and is an effective technical means to solve the processing problems of threaded holes of difficult-to-machine materials and small threaded holes of ordinary materials. [0003] Vibration tapping technology r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23G1/16
Inventor 张德远卢慧敏李光军姜兴刚韩凤起
Owner BEIHANG UNIV
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