锻压技术

汽车左座椅摇臂冲压工艺分析及级进模设计

英文标题：Analysis on stamping process of rocker arm for automobile left seat and progressive die design

作者：秦国华史双喜刘跃峰刘朝福

分类号：TG386.2

出版年,卷(期):页码：2019,44(9):113-117

摘要：

分析了汽车左座椅摇臂结构特点和冲压工艺性，结合生产要求，提出采用级进模生产汽车左座椅摇臂的工艺方案。然后，完成级进模中翻孔和弯曲2个重要工位的工艺计算，如毛坯尺寸、冲压力、翻边次数、回弹角等。对比单列直排和单列斜排2种排样方案，选出材料利用率最高的斜排排样方案，在斜排方案基础上完成级进模工位设计。设计模具主要零件的结构形式，确定了模具总体结构并绘制模具装配图，阐述摇臂级进模工作过程。结果表明：汽车左座椅摇臂采用一套级进模成形，可连续进行冲孔、切边、弯曲、翻边、切边落料工序，实现高效率的冲压生产。

The structural characteristics and stamping technicality of rocker arm for automobile left seat were analyzed, and the process scheme of rocker arm for automobile left seat produced by progressive die was proposed according to the production requirements. Then， the process calculations of two important stations in progressive die, namely, flanging and bending, such as blank size, stamping force, flanging times and springback angle, were completed. Comparing two schemes of single row straight layout and single row oblique layout, the oblique layout scheme with the highest material utilization rate was selected, and the corresponding progressive die station was designed. Furthermore, the structure of the main die parts and the overall structure of the die were designed, the die assembly drawing was finished, and the working process of rocker arm progressive die was explained. The results show that the rocker arm of automobile left seat can be formed by the progressive die with punching, trimming, bending, flanging, trimming-blanking processes, and the high efficiency stamping production is achieved.

基金项目：

2017年度广西高校中青年教师基础能力提升项目（2017KY1348）；2018年度广西高校中青年教师基础能力提升项目（2018KY0834）

秦国华(1985-)，男，学士，讲师 E-mail：397305785@qq.com 通讯作者：史双喜(1983-)，男，硕士，副教授 E-mail:250861392@qq.com

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