1.湖北工业大学 机械工程学院, 湖北 武汉 430068
徐杨(1996— ),男,安徽合肥人,在读硕士研究生;研究方向为机械设计。
邓援超(1963— ),男,湖北黄冈人,教授,硕士生导师;研究方向为机械设计理论及实用机械创新。
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徐杨,邓援超,徐志强.多杆轻载冲压机的机构优化设计[J].机械传动,2022,46(07):52-62.
Xu Yang,Deng Yuanchao,Xu Zhiqiang.Mechanism Optimization Design of Multi-bar Light-load Stamping Press[J].Journal of Mechanical Transmission,2022,46(07):52-62.
徐杨,邓援超,徐志强.多杆轻载冲压机的机构优化设计[J].机械传动,2022,46(07):52-62. DOI: 10.16578/j.issn.1004.2539.2022.07.008.
Xu Yang,Deng Yuanchao,Xu Zhiqiang.Mechanism Optimization Design of Multi-bar Light-load Stamping Press[J].Journal of Mechanical Transmission,2022,46(07):52-62. DOI: 10.16578/j.issn.1004.2539.2022.07.008.
为了有效发挥冲压机的机械性能,利用多杆机构取代人工生产,以解决冲压机冲压海绵胚件时带来的一系列问题。构建机构模型,进行了运动学分析;建立一种以曲柄的有效冲压转角最大、主滑块在有效冲压行程中加速度的波动最小为评价标准的多杆轻载冲压机的机构几何参数优化数学模型,并利用Matlab通过步长搜索法构建了该机构的优化模型,利用Adams进行了仿真分析。优化结果表明,在有效冲压行程范围内,有效冲压时间增加了22.03%,有效冲压转角增加了25.43%。有效冲压时间的增加和有效冲压转角的增大可使工件的变形时间延长,有利于工件的充分变形,提高胚件的加工质量;主滑块在有效冲压行程中加速度的波动减小了10.63%,即降低了整体机构的惯性力,在一定程度上增加了冲压的精度。
In order to give full play to the mechanical properties of stamping machine,a multi-bar mechanism is used to replace a manual production to solve a series of problems when stamping sponge blank. A mechanism model is constructed and a kinematic analysis is carried out; A mathematical model for optimizing the geometric parameters of multi-bar light-load stamping machine is established,which takes the maximum effective stamping angle of crank and the minimum fluctuation of acceleration of main slider in the effective stamping stroke as evaluation criteria; The optimization model of the mechanism is constructed by step search method with Matlab,and then a simulation analysis is carried out with Adams. The optimization results show that within the range of effective stamping stroke,the effective stamping time increases by 22.03% and the effective stamping angle increases by 25.43%. The increase of effective stamping time and effective stamping angle can prolong the deformation time of the workpiece,which is beneficial to the full deformation of the workpiece and improve the machining quality of the blank. The fluctuation of acceleration of the main slider in the effective stamping stroke is reduced by 10.63%,which means that the inertia force of the whole mechanism is reduced and the stamping accuracy is increased to a certain extent.
轻载冲压机优化设计Matlab运动学分析
Light load stamping machineOptimization designMatlabKinematic analysis
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