工业机器人小臂拓扑优化设计  

Design of Optimization of the Industrial Robot Forearm Topology

作　　者：吴卫萍[1] 刘旭[1] 刘松[1] WU Weiping;LIU Xu;LIU Song(Scholl of Advanced Manufacturing,Guangdong Songshan Polytechnic,Shaoguan 512100,China)

机构地区：[1]广东松山职业技术学院先进制造学院,广东韶关512100

出　　处：《新技术新工艺》2024年第4期33-38,共6页New Technology & New Process

基　　金：2022年广东省继续教育质量提升工程教学改革与研究实践项目(JXJYGC2022GX480);2021年韶关市科技计划项目(210724024530099);2022年广东松山职业技术学院质量工程项目(2022SXJDO2)。

摘　　要：小臂是工业机器人重要的承力部件,以某50 kg负载工业机器人小臂作为研究对象,面向增材制造进行结构优化设计。通过拓扑优化和模型重构,优化材料布局,改善小臂结构构型。经有限元分析,优化后小臂的应变、应力及固有频率等结构性能均有不同程度的改善,同时小臂的质量减轻了22.12%,实现了结构的轻量化,降低了运行能耗和成本,提高了寿命,有助于绿色制造。该拓扑优化方法具有推广价值,可以为连续结构体优化设计和改进提供参考经验,助力数字化设计和智能制造的实现。The forearm was an important load-bearing part of industrial robots.The forearm of an industrial robot with a load of 50 kg was taken as the research object,and it was carried out that the structural optimization design for additive manufacturing.Through topology optimization and model reconstruction,the material layout was optimized and the forearm structure was improved.Through the finite element analysis,the optimized forearm structural properties such as strain,stress and natural frequency were improved to varying degrees,at the same times the weight of the forearm was reduced by 22.12%,which realized the lightweight of the structure,reduced the operation energy consumption and the cost,and improved the life.It was conducive to green manufacturing.The topology optimization method had the value of popularization,and could provide reference experience for the optimization design and improvement of continuous structure.It helped the realization of digital design and intelligent manufacturing.

关 键 词：工业机器人 小臂 拓扑优化 有限元分析 应力 应变 

分 类 号：TP242.2[自动化与计算机技术—检测技术与自动化装置]