压电驱动式振动给料器的设计与试验

沈燕虎; 苏江; 杨志刚; 刘勇

doi:10.3788/OPE.20142207.1828

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压电驱动式振动给料器的设计与试验

微纳技术与精密机械 | 更新时间：2020-08-13

- 压电驱动式振动给料器的设计与试验
- Design and experiment of piezoelectric-drive vibratory feeder
- 光学精密工程 2014年22卷第7期页码：1828-1833
- 作者机构：
  
  1. 吉林大学机械科学与工程学院,吉林长春,中国,130025
  2. 吉林大学珠海学院机电工程系,广东珠海,519041
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目（No.51075175）()
- DOI：10.3788/OPE.20142207.1828
  中图分类号： TH237.1;TN384
- 收稿日期：2014-01-20，
  
  修回日期：2014-02-25，
  
  纸质出版日期：2014-07-25
- 稿件说明：
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沈燕虎, 苏江, 杨志刚等. 压电驱动式振动给料器的设计与试验[J]. 光学精密工程, 2014,22(7): 1828-1833

SHEN Yan-hu, SU Jiang, YANG Zhi-gang etc. Design and experiment of piezoelectric-drive vibratory feeder[J]. Editorial Office of Optics and Precision Engineering, 2014,22(7): 1828-1833
沈燕虎, 苏江, 杨志刚等. 压电驱动式振动给料器的设计与试验[J]. 光学精密工程, 2014,22(7): 1828-1833 DOI： 10.3788/OPE.20142207.1828.

SHEN Yan-hu, SU Jiang, YANG Zhi-gang etc. Design and experiment of piezoelectric-drive vibratory feeder[J]. Editorial Office of Optics and Precision Engineering, 2014,22(7): 1828-1833 DOI： 10.3788/OPE.20142207.1828.

摘要

为了实现对轻、薄、小产品的平稳输送，利用圆形压电双晶片作为振动给料器的动力源，Z型弹簧片作为主振弹簧，并基于系统共振方法设计了新型压电驱动式振动给料器。介绍了圆形压电双晶片驱动式振动给料器的工作原理，建立了动力学模型，获得了系统固有频率表达式；分析了压电双晶片的振动模态，确定了一阶振型为工作振型。研制了振动给料器样机，利用样机测试了电压、频率与送料速度的特性曲线以及主振弹簧片角度对送料速度、送料稳定性、送料噪声的影响规律。试验结果表明：电压为150 V，频率为142 Hz时，输送电池帽的速度为8.5 battery cap/s；频率为136~148 Hz时，系统具备输送物料的能力，共振条件下（142 Hz）输送速度最快；随着电压的升高，输送速度呈线性增加；输送的单体物料质量增加时，主振弹簧片安装角度宜变小。

Abstract

To convey light

thin and small products stably

a piezoelectric vibratory feeder with the

leaf spring actuated by a round piezoelectric bimorph was developed base on the working principle of systemic resonance.The working principles of the vibratory feeder driven by a circular piezoelectric vibrator were introduced

the expression of natural frequency was obtained by establishing the dynamic model of the vibratory feeder

and the first order mode shape was defined as the working mode shape after analysis of the vibratory modal.Then

a prototype of the vibratory feeder was developed.Finally

the relations among voltage

frequency and feeding rate were measured

and the influences of the angle of leaf spring on feeding rates

stability and noise were explored.The experimental results show that the feeding rate of the vibratory feeder is 8.5 battery caps per second when the voltage is 150 V and the frequency is 142 Hz.The vibratory feeder can convey the products when the working frequency is from 136 Hz to 148 Hz

and the best feeding rate is at the resonance frequency(142 Hz).Moreover

the feeding rate increases linearly with the driving voltage.As the mass of the conveying parts increases

the installation angle of the main vibrating spring decreases.

关键词

Keywords

references

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