第18卷
第7期
2010年7月
文章编号1004-924X(2010)07-1586-09
光学精密工程
Optics and Precision Engineering
Vol.18No.7
Jul.2010
裂解连杆螺栓装配机床的动力学仿真及试验
郑黎明，杨慎华，寇淑清，邓春萍
（吉林大学辑银工艺研究所，长春吉林130022）
摘要：由于传统的螺栓拧紧方法不能满足裂解加工要求，本文开发研究了裂解连杆螺栓装配机床并进行了仿真试验。介绍了螺栓拧紫机床的基本结构和自动螺栓装配过程，建立了该机床的虚拟样机模型，对装配螺栓过程进行了动态仿真进行了机床的扭矩/转角试验，确定了某轿车连杆的螺栓拧紧工艺参数为20N·m十95°，采用该工艺能满足该连杆的螺栓装配要求；最后，讨论了定扭矩装配螺栓工序可能出现的质量缺陷，并提出了相应缺陷的解决方案。仿真结果表明，螺栓能准确穿人到连杆螺栓孔内并装配到连杆上。扭矩/转角试验表明，根据螺栓在装配过程中的伸长变形量可判断螺栓装配的轴向力是否符合要求，进而可确定连杆的定扭矩装配工艺。该项研究对螺栓拧紫机床的工程设计和裂解连杆工艺有指导意义。
关键词：连杆；裂解；螺检装配；动力学仿真；担短/转角法：聚解质量
中图分类号：U464.133
文献标识码：Adoi;10.3788/OPE,20101807.1586
Dynamicsimulationsandexperimentsofassembling boltmachinesforfracturesplittingconnectingrods
ZHENG Li-ming，YANG Shen-hua，KOU Shu-qing，DENG Chun-ping(RollForging Institute,JilinUniversity,Changchun130022,China)
Abstract: An assembling bolt machine for fracture splitting(FS) connecting rods was developed,for the traditional fixing procedure for bolts could not be suitable for the FS of connecting rods. The basic structure of the assembling bolt machine and bolt assembling process were briefly introduced. Then,a virtual prototyping model for the machine was constructed based on the computer virtual technology to dynamically simulate assembling bolt processes, Torque and angle experiments were also carried out, the parameter 20N · m+95° was chosen as the assembling techniques for the FS connecting rod of a particular car. Obtained results show that the assembling techniques can satisfy its assembling re-quirement. Finally,the quality defects during the fixing bolts were discussed,and the solvents towards these defects were given, Dynamic simulation results indicate that the blots can be accurately trans ferred into bolt holes and assmbled on connecting rods. Torque and angle experiments show that the distortion of bolts during the assembling process can judge whether the axis force of bolts can satisfy
收稿日期：2009-09-30；修订日期：2009-12-03
99000（6060
教育部博士点基金资助项目(No.20060183066)