Ultrasonic vibration auxiliary machining device and design method of amplitude-change pole of ultrasonic vibration auxiliary machining device
An ultrasonic horn and ultrasonic vibration technology, applied in metal processing equipment, fluid using vibration, metal processing, etc., can solve the problems of poor surface quality, low shape and position accuracy, and many burrs.
Pending Publication Date: 2021-06-11
安徽天航机电有限公司 +1
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Problems solved by technology
[0004] Therefore, this application proposes to design an ultrasonic vibration-assisted drilling and milling device to solve the problems of poor surface quality, low shape and position accuracy, and many burrs generated during the processing of difficult-to-machine materials such as cemented carbide and composite materials.
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Embodiment Construction
[0035] This application will design an ultrasonic vibration auxiliary processing device with a frequency of 20KHz, multi-tool clamping, large amplitude and wide adjustable range, and stable vibration performance. Such as figure 1 As shown, it includes an ultrasonic vibration auxiliary processing device spindle 1, an ultrasonic power supply, an ultrasonic wireless power transmission system 8, a longitudinal ultrasonic vibration transducer 9, an ultrasonic horn 6 and other connecting devices. The power output end of the machine tool spindle 2 is set vertically downward, the machine tool spindle 2, the installation cylinder, the sleeve, the horn and the cutting tool have the same rotation center line, the lower end of the machine tool spindle is coaxially connected with the upper end of the installation cylinder 4, and the lower part of the installation cylinder extends Out of the main shaft housing, the upper part of the sleeve is placed on the lower part of the main shaft housi...
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The invention discloses an ultrasonic vibration auxiliary machining device and a design method of an ultrasonic amplitude-change pole of the ultrasonic vibration auxiliary machining device. Groove type variable cross-section design is adopted for the amplitude-change pole, the resonant frequency adjusting capacity is enhanced, and various tools can be clamped; and through a piezoelectric transducer, the energy transmission efficiency is improved, and an automatic frequency tracking technology of an ultrasonic generator is combined, so that the ultrasonic vibration auxiliary machining device oriented to various working conditions is designed. Based on actual working conditions, machining performance requirements are provided for an ultrasonic vibration device, and the overall layout design of the device is completed; and then, model selection analysis and specific design are carried out on important parts of the device, mainly based on an elastic theory design formula, structural design and specific size parameter calculation on the piezoelectric transducer and the ultrasonic amplitude-change pole are completed , and material selection is carried out on each part by considering factors such as acoustic impedance and required stress.
Description
technical field [0001] This application relates to ultrasonic vibration assisted processing technology, combined with ultrasonic vibration technology, transforming traditional continuous processing into periodic pulse processing. Background technique [0002] In recent years, aerospace and other fields have developed rapidly, and materials such as composite materials, hard alloys, and titanium alloys have become more and more widely used. Due to the characteristics of such materials such as high hardness, high strength, and low thermal conductivity, the use of traditional machining will cause problems such as excessive cutting force and high cutting heat in the cutting area, resulting in machine tool vibration, tool wear, and chip adhesion. Make the surface quality and shape and position tolerance difficult to meet the requirements. In order to further improve the machining quality of key parts, it is urgent to propose a new machining method. [0003] Ultrasonic vibration ...
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Patent Timeline
Login to View More IPC IPC(8): B23B19/02B23B35/00B23C3/00B06B1/06G06F30/17G06F30/23
CPCB23Q1/70B23B35/00B23C3/00B06B1/06G06F30/17G06F30/23B23B2270/10B23C2270/10
Inventor 吴敏陈卫林陈冒风于家祥
Owner 安徽天航机电有限公司