锻压技术

夹板多工位级进模设计

英文标题：Multi-position progressive die design for clamping plate

作者：于仁萍宫晓峰

单位：烟台职业学院

关键词：夹板钢模板多工位级进模限位凸包

分类号：TG386

出版年,卷(期):页码：2018,43(3):140-143

摘要：

针对夹板零件的技术要求和结构特点进行了排样设计和多工位模具结构设计；阐述了模具的导向、定位、卸料装置以及工作零件的结构设计。选用了加厚钢模板的四导柱滑动导向模架，其运动平稳、承载力强；设计了弹压导板导向系统对凸模运动进行导向，提高导向精度；使用对角布置双侧刃确定送料步距，定位准确可靠，易保证夹板内外形的同轴度；设计了两套弹性卸料装置保证卸料可靠，提高制件质量；凹模采用整体与镶拼结合的结构设计，降低了加工难度，便于模具修配；设计限位装置保证凸包部位的成形和尺寸。生产结果表明，夹板多工位级进模能够满足零件质量和生产率的要求。

For the technical requirements and structure characteristics of clamping plate, the layout and structure of multi-position progressive dies were designed, and the structural design of guiding devices, location devices, stripper devices and working parts were described in detail. Then, the four-guide pillar and sliding die sets with thickening steel moulding plate were selected, which moved smoothly and had stronger bearing capacity, and the guidance system of spring guide plate was designed to guide the motion of punch and improve the guiding precision. Next, the feeding step was controlled accurately by two diagonal arranged side blades, and the accurate and reliable positioning was obtained so as to ensure the concentricity of inner and outer shape. Furthermore, two sets of spring strippers were designed to ensure the reliability of unloading and increase the part quality. The die was designed by combining whole and mosaic structure to reduce processing difficulty,which was prone to repair, and the limit devices were designed to ensure the deformation and dimensions of convex hull. The production results show that the product quality and productivity can be met by multi-position progressive die for clamping plate.

基金项目：

烟台职业学院校企合作课题（2015007）

于仁萍（1979-），女，硕士，副教授 E-mail：yurenping1111@163.com

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