Spiral Type Piezoelectric Vibration Feeding Device Design And Dynamic Analysis

In the production process of mechanization and automation, vibration conveying device is one of the most key link,abroad in the production of electronic products, light industrial products packaging is widely used in such fields as micro vibration conveyer,Study on structure and key technology of micro vibration conveying equipmentwill will promote the development of,automation and intelligent in China’s electronic industry and light industry.Compared with the traditional vibration feeder,Piezoelectric vibration feeder has a small amplitude, small volume, low noise, fast response, the price is low wait for an advantage,widely used for precision vibration drive field.This paper introduces the research meaning of the piezoelectric vibration feeding devices and the research status at home and abroad,On the basis of the theoretical calculation and simulation,based on the piezoelectric vibration feeding device work carries on the analysis of each part,Set up the whole machine model of piezoelectric vibration feeding device.Designing the structure and size for each part.Based on the basic theories of piezoelectric learning, Select the spiral type piezoelectric vibration feeding device of piezoelectric vibrator, To determine the vibration of the piezoelectric vibrator model and the way of support.To analyze the spiral piezoelectric vibration feeding device working principle,based on the piezoelectric vibration feeding device work carries on the analysis of each part,Set up the whole machine model of piezoelectric vibration feeding device.Designing the structure and size for each part.By analyzing the stress of the tiny material in the material plate,Establish the differential equation of movemen for a tiny material in the material road.To analyze the spiral piezoelectric vibration feeding device working principle,Buliding the piezoelectric driving spiral vibrating feeder for dynamic model,To study the relationship between the main parameters and the working performance of the vibration systemModal analysis was carried out on the machine by use of ANSYS software,Get the first four order displacement contours and the corresponding frequency,By comparing analysis conforms to the actual state of vibration displacement nephogram,Determine the natural frequency of the piezoelectric vibrator.Through the experiment of the machine, get the machine frequency and conveying speed diagram, voltage and conveying speed diagram.Observing the experimental results are consistent with theoretical calculation and simulation structure.