本文關(guān)鍵詞： 壓電振子 螺旋式給料器 力學(xué)模型 實(shí)驗(yàn)研究 仿真分析　出處：《哈爾濱商業(yè)大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：在產(chǎn)品的機(jī)械化、自動(dòng)化生產(chǎn)過程中,振動(dòng)輸送裝置是其中一個(gè)非常關(guān)鍵的環(huán)節(jié),國外在電子產(chǎn)品的生產(chǎn)、輕工產(chǎn)品的包裝等領(lǐng)域廣泛使用微振動(dòng)輸送裝置,對微振動(dòng)輸送裝置的結(jié)構(gòu)和關(guān)鍵技術(shù)進(jìn)行研究將推動(dòng)我國的電子產(chǎn)業(yè)、輕工業(yè)等自動(dòng)化和智能化的發(fā)展。與傳統(tǒng)的振動(dòng)給料器相比,壓電振動(dòng)給料裝置具有振幅微小、頻率高、體積小、噪聲低、響應(yīng)快、價(jià)格低等優(yōu)點(diǎn),廣泛用于精密振動(dòng)輸送領(lǐng)域。 本文介紹了壓電振動(dòng)給料裝置的研究意義以及國內(nèi)外研究現(xiàn)狀,在理論計(jì)算和仿真的基礎(chǔ)上,通過對壓電振動(dòng)給料裝置各部分的工作進(jìn)行分析,對裝置的各部分結(jié)構(gòu)、尺寸進(jìn)行設(shè)計(jì)。通過對壓電基本理論的的學(xué)習(xí),對螺旋式壓電振動(dòng)給料裝置的壓電振子進(jìn)行選擇,確定壓電振子的振動(dòng)模式和支撐方式。建立壓電振動(dòng)給料裝置的整機(jī)模型。 對微小物料在料盤上的受力情況進(jìn)行分析,建立微小物料在料道上運(yùn)動(dòng)的微分方程。 對螺旋式壓電振動(dòng)給料裝置的工作原理進(jìn)行分析,建立螺旋式壓電振動(dòng)給料裝置的動(dòng)力學(xué)模型,研究確定振動(dòng)系統(tǒng)主要參數(shù)和工作性能的關(guān)系。 利用ANSYS軟件對整機(jī)進(jìn)行模態(tài)分析,得出前四階位移云圖及相應(yīng)的頻率,通過分析比較選擇符合實(shí)際振動(dòng)狀態(tài)的位移云圖,確定壓電振子的固有頻率。通過對整機(jī)進(jìn)行實(shí)驗(yàn),得到整機(jī)的頻率與輸送速度關(guān)系圖、電壓與輸送速度關(guān)系圖。觀察實(shí)驗(yàn)結(jié)果與理論計(jì)算和仿真結(jié)果是否一致。
[Abstract]:In the process of mechanization and automation of product production, vibration conveyer is one of the key links. In the field of electronic product production and light industrial product packaging, micro-vibration conveying device is widely used in foreign countries. The research on the structure and key technology of micro vibration conveyer will promote the development of automation and intelligence in electronic industry and light industry in our country. Compared with the traditional vibration feeder, piezoelectric vibration feeder has small amplitude and high frequency. Small size, low noise, fast response, low price and other advantages, widely used in the field of precision vibration transportation. This paper introduces the research significance of piezoelectric vibration feeder and the research status at home and abroad. On the basis of theoretical calculation and simulation, the work of each part of piezoelectric vibration feeder is analyzed, and the structure of each part of the device is analyzed. Through the study of piezoelectric basic theory, the piezoelectric vibrator of spiral piezoelectric vibration feeder is selected, the vibration mode and supporting mode of piezoelectric vibrator are determined, and the whole machine model of piezoelectric vibration feeding device is established. Based on the analysis of the force on the material tray, the differential equation of the movement of the small material on the material path is established. The working principle of the helical piezoelectric vibration feeder is analyzed, the dynamic model of the helical piezoelectric vibration feeder is established, and the relationship between the main parameters and the working performance of the vibration system is studied. The modal analysis of the whole machine is carried out by using ANSYS software, and the first four order displacement clouds and their corresponding frequencies are obtained. The natural frequency of the piezoelectric vibrator is determined by comparing and selecting the displacement cloud diagram in accordance with the actual vibration state. The graph of the relationship between the frequency and the conveying speed and the relationship between the voltage and the conveying speed are obtained. The experimental results are in agreement with the theoretical calculation and the simulation results.
【學(xué)位授予單位】：哈爾濱商業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TH237.1

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