吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (6): 1669-1675.doi: 10.13229/j.cnki.jdxbgxb201406021

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Design of piezoelectric vibratory feeder vertically driven by two piezoelectric vibrators

SHEN Yan-hu1, SU Jiang1, LIU Yong2, YANG Zhi-gang2, WANG Kun-kun1   

  1. 1.College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China;
    2.Institute of Chain Transmission, Jilin University, Changchun 130022, China
  • Received:2013-11-22 Online:2014-11-01 Published:2014-11-01

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Abstract: A novel piezoelectric vibratory feeder was designed, which was driven by two vertically arranged rotary piezoelectric vibrators, where the inverse piezoelectric effect was utilized. By theoretical analysis, the nature frequency of the feeder system and the factors influencing the hopper's amplitude were obtained. The software Hypermesh was used to simulate the dynamics of the system, and the first three order vibration modes were achieved, from which we got the theoretical nature frequency of the system without damping to be 110.95Hz. Experiments on this feeder and on the same model cantilever piezoelectric feeder were carried out using M5 nuts as the conveying materials. From the experiments we got the relationship among the delivery speed, hoper amplitude, driven voltage and frequency. When the driven voltage was 240V and the frequency was 105Hz, the delivery speed of this new piezoelectric vibratory feeder was 0.23kg/min and the hopper amplitude was 110μm, respectively, which could meet industrial production requirement.

Key words: mechanical design, piezoelectric vibration feeder, rotary piezoelectric vibrator, vertical driving

CLC Number: 

  • TH237.1
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