基于结构谐振CAE分析的注塑机械手优化设计

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Inj ection manipulator optimization design based on theCAE analysis of structure resonanceLI Zhi-gang，JIA Hui-fang，ZHANG W en-liang，W ANG Jian(Key Laboratory of Ministry of Education for Conveyance and Equipment，East China Jiaotong University，Nanchang 330013，China)Abstract：Injection manipulator is a production equipment to automatically control the plastic pro-cessing.In practical work process，inj ection manipulator generates structure resonance in condi-tion of fast response. It affects the positioning accuracy of manipulator. Parametric modelingmethod and CAE software were used to conduct the structure resonance finite element analysis ofinj ection manipulator.Based on the multidiscip1inary optimization design platform，with the aimof reducing resonance，the adaptive simulated annealing method was adopted to the optimizationdesign in respect of the structure and the size of injection manipulator.Results show that，manip-ulator platform vibration is reduced，the positioning accuracy of manipulator is improved，and theautomation of the optimization design process is realized，thus a systematic reference for the de-sign of similar production is provided。

Key words：inj ection manipulator；Structure resonance；adaptive simulated annealing method；op-timization design随着塑料加工行业在我国的迅速发展 ，注塑成型设备的自动化程度越来越高.现代化的注塑机常常配置有机械手 ，以提高生产效率L1].注塑机械手是对塑料加工生产进行 自动控制 的生产设备.注塑机械手在工作的过程中会剧烈振动，这必将会降低机械手的工作可靠性，并