摘要
针对汽车车身复杂形状特征的焊接工装设计过程效率低、制造成本高的问题,提出了一种模块化车身焊接工装智能设计系统。构建了夹具元件数字体模型,实现了对设计过程的数据化表达;基于数字体模型对夹具标准件分类及规格化参数建立标准件库,对非标准件提出一种自适应变形建模设计方法;采用混合推理算法得到常用典型夹具组合方案,并以车身零件空间最小包络体为设计基准,以定位夹紧点关键尺寸进行夹具规格推理;基于坐标转换理论提出一种夹具快速装配算法。结果表明:采用上述方法开发的焊接工装智能设计系统能够极大地提高焊接夹具设计效率,有助于提升自动化水平。
Since the weld tooling of the vehicle’s complex shape features suffers from low design efficiency and high manufac-turing cost,in this article an intelligent design system of modular weld tooling is proposed.The digital model of the fixture ele-ment is constructed to realize data expression of the design process;The library of the standard components is set up for classifica-tion and specification based on the digital model,and an adaptive variant modeling method is proposed for the non-standard com-ponents;The typical fixture combination scheme is worked out by the hybrid reasoning algorithm;the fixture specification is rea-soned by locating the key dimension of the clamping point,with the minimum envelope of the vehicle component space as the de-sign basis;Based on the coordinate transformation theory,a faster fixture assembly algorithm is proposed.The results show that this intelligent design system of weld tooling greatly improves efficiency in weld fixture design and ensures a higher standard of au-tomation.
作者
胡朝辉
邹钊斌
HU Zhaohui;ZOU Zhaobin(School of Mechanical and Vehicle Engineering,Hunan University,Changsha 410082)
出处
《机械设计》
北大核心
2025年第9期7-15,共9页
Journal of Machine Design
基金
柳州市科技计划项目(2023PRJO102)
广西科技计划(桂科AB23026104)。
关键词
模块化工装
智能设计
自适应变型建模
自动装配
modular tooling
intelligent design
adaptive variant modeling
automatic assembly
