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A patch type fixed beam type orthogonal composite ultrasonic wire drawing vibrator

An ultrasonic, clamped beam technology, applied in the field of patch type clamped beam orthogonal composite ultrasonic wire drawing vibrator, can solve the problems of complex assembly of sandwich type ultrasonic vibrator, poor practical applicability, ultrasonic energy loss, etc., and achieves simple structure, The effect of avoiding loss problems and high energy utilization

Active Publication Date: 2018-07-17
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although its structure can realize the orthogonal compound motion of the wire drawing die, the two ultrasonic longitudinal ultrasonic vibrators are mechanically connected at the output end, and an additional load is formed between the vibrators, resulting in the loss of ultrasonic energy; There is a loss of ultrasonic energy in the ultrasonic vibration transmission between the modes
Therefore, the existing orthogonal oscillators have disadvantages such as poor practical applicability and high energy consumption.

Method used

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  • A patch type fixed beam type orthogonal composite ultrasonic wire drawing vibrator
  • A patch type fixed beam type orthogonal composite ultrasonic wire drawing vibrator
  • A patch type fixed beam type orthogonal composite ultrasonic wire drawing vibrator

Examples

Experimental program
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Effect test

Embodiment 1

[0027] figure 1 It is a schematic diagram of the three-dimensional structure of the patch-type fixed beam-type orthogonal composite ultrasonic wire drawing vibrator described in the present invention; figure 2 It is a three-dimensional schematic diagram of the metal matrix beam of the vibrator according to the present invention; image 3 It is a schematic diagram of the polarization direction of the longitudinal piezoelectric ceramic group of the vibrator according to the present invention; Figure 4 It is a schematic diagram of the polarization direction of the transverse piezoelectric ceramic group of the vibrator according to the present invention; Figure 1-Figure 4 , a patch type fixed beam type orthogonal composite ultrasonic wire drawing vibrator, the ultrasonic wire drawing vibrator includes a metal matrix beam 1 and a piezoelectric ceramic 2; the metal matrix beam 1 is provided with a wire drawing die core 1-1; The core 1-1 of the wire drawing die and the metal mat...

Embodiment 2

[0030] The difference between this embodiment and Embodiment 1 is that the six piezoelectric ceramics 2 work in the D33 mode, and the longitudinal piezoelectric ceramic groups 2-1 and Transverse piezoelectric ceramic group 2-2.

Embodiment 3

[0032] The difference between this embodiment and Embodiment 1 is that the six pieces of piezoelectric ceramics 2 work in the D33 mode, using AC voltage signals with equal amplitude, frequency as the resonant frequency of the vibrator, and a phase angle difference of 90° to respectively excite the longitudinal piezoelectric ceramic groups. 2-1 and transverse piezoelectric ceramic group 2-2.

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Abstract

The invention discloses a patch type clamped-beam orthogonal composite ultrasonic wire-drawing oscillator. The ultrasonic wire-drawing oscillator comprises a metal substrate beam and six piezoelectric ceramic pieces, wherein the metal substrate beam comprises a wire-drawing die core, a frequency degeneration groove and a fixed end; two ends of the metal substrate beam are clamped; the cross section of the metal substrate beam is rectangular; the six piezoelectric ceramic pieces are polarized along a length direction and operates in a D33 mode; the six piezoelectric ceramic pieces are respectively adhered to two upper and lower surfaces and four front and back sides of the metal substrate beam. The patch type clamped-beam orthogonal composite ultrasonic wire-drawing oscillator is simple in structure, belongs to the technical field of ultrasonic vibration wire-drawing oscillators and solves the problems that the existing sandwich type composite vibration ultrasonic wire-drawing oscillator is complex to process and assemble, and the ultrasonic energy transfer efficiency between the wire-drawing die and the ultrasonic oscillator is low.

Description

technical field [0001] The invention relates to the technical field of ultrasonic vibration wire drawing vibrator, in particular to a patch type fixed beam type orthogonal composite ultrasonic wire drawing vibrator. Background technique [0002] Piezoelectric ultrasonic vibration wire drawing is a processing technology in which ultrasonic vibration energy is superimposed in the conventional wire drawing process. The alternating electric signal generated by the ultrasonic driver is converted into ultrasonic vibration energy through the piezoelectric sheet, and then the ultrasonic vibration is amplified and matched by the horn. It can be transmitted to the wire drawing die to excite the vibration of the wire drawing die, and then the material to be processed is drawn through such a vibrating die to obtain the effect of ultrasonic vibration energy on the plastic forming of metal materials. [0003] The ultrasonic vibration drawing in the prior art is mostly longitudinal vibrati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02N2/00
CPCH02N2/005H02N2/0075
Inventor 单小彪杨远才刘申谢涛
Owner HARBIN INST OF TECH