锻压技术

后门限位扣多工位级进模设计

英文标题：Design of multi-position progressive die for REINF-L/GATE WGE

作者：关意鹏

单位：柳州职业技术学院

分类号：TG386.42

出版年,卷(期):页码：2015,40(2):123-126

摘要：

分析了后门限位扣的冲压工艺，确定了排样方案，介绍了后门限位扣多工位级进模的整体结构和主要零部件设计，为保证条料的同步移动和送料顺畅，模具采用浮动顶料机构，解决了零件定位精度等问题。确定了级进模模具设计方案，该模具充分利用工件本身的结构特点，采用了自动卸料、出料、少废料冲裁，有效提高了材料利用率。成形工序中打薄圆角过渡处后，实现了在直壁上切断，解决了分离切断的问题。试冲结果表明，提出的排样方案和设计的10工位级进模是合理可行的，能满足座椅加强板零件的大批量生产需要。

Through a stamping process analysis on the structure of the REINF-L/GATE WGE, a layout scheme of a progressive die for the part was determined. The overall structure and design of the main parts with multi-position punching and forming progressive die were presented. To assure the strip to move synchronously and smoothly，the ejector device was designed floatingly to improve the positioning precision of the strip. Design scheme of the progressive die was determinated. Based on the structural characteristics of the workpiece, the automatic feeding, stripper and layout of less waste material were adopted in the structure design of a progressive die. Thus, the material utilization was improved effectively. After the material from the radius corner was thinned, the part on the straight wall was cut off directly to solve trimming problem. The results show that the layout scheme and the ten-position progressive die are reasonable and feasible, and the large-scale production requirements of seat reinforcing plate parts are met.

基金项目：

2012年度广西高校科研项目“汽车类特大型厚板成形模开发实践”（201203YB196）；2014年度广西高校科研项目“基于CATIA V6的后背门外板先进汽车模具技术研究”（YB2014499）

关意鹏（1978-），男，硕士，讲师

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