锻压技术

中间坯剪切挤压连接装置结构设计及运动仿真

英文标题：Structural design and motion simulation of shear extrusion connection device for intermediate blank

作者：陈宝杰闫华军姚云峰张双杰马世博

分类号：TH122

出版年,卷(期):页码：2019,44(7):128-133

摘要：

剪切挤压连接是一项先进的无头轧制技术，而剪切挤压连接装置是实现中间坯连接的重要保障。依据偏心轴、滑动摆杆的相对运动关系，设计了一种中间坯剪切挤压连接装置，运用SolidWorks建立三维模型，并设计了使中间坯在连接完成时处于水平方向的模具。为研究该装置在安装实体模具下的运动特性，运用SolidWorks Motion仿真分析该装置的运动过程，得到该装置在剪切挤压过程中的上、下模具剪切面之间的距离在最大、最小两种情况下剪切挤压刃的水平方向速度。结果表明，当上、下模具剪切面距离在0~24.27 mm范围内时，其上、下模具剪切挤压刃的水平方向速度都会满足设计要求。基于SolidWorks的结构设计与运动仿真分析，为剪切连接装置的静力学分析及加工制作提供了重要依据。

Shear extrusion connection is an advanced headless rolling technology, and the device of shear extrusion connection is an important guarantee for intermediate blank connection. According to the relative motion relationship of eccentric axis and sliding pendulum rod, a device of shear extrusion connection for intermediate blank was designed. Then, the 3D model was built by SolidWorks, and the mold was designed in which the intermediate blank was horizontal when the connection was completed. In order to study the motion characteristics of the device under the solid mold, the motion process of the device was analyzed by SolidWorks Motion, and the horizontal velocities of shear extrusion edge were obtained in the conditions of the maximum and minimum distances between the upper and lower shearing planes of mold during the shear extrusion process. The results show that the horizontal velocity of shear extrusion edge for the upper and lower molds can meet the design requirements when the shear plane distance between the upper and lower molds is within 0-24.27 mm. Thus, the structural design and motion simulation analysis based on SolidWorks provide an important basis for the static analysis and machining of the shear extrusion connection device.

基金项目：

河北省重点研发计划项目（18211812D)

陈宝杰（1994-），男，硕士研究生，E-mail：18333193661@163.com；通讯作者：闫华军（1978-），男，博士，副教授，E-mail：yanhj22@163.com

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