消声器隔板的冲压工艺及模具设计 毕业论文.doc

本科毕业设计说明书题目: 消声器隔板的冲压工艺及模具设计院(部): 艺术学院专业: 环境艺术设计班级: 环艺 161 姓名: 学号: 201606101002 指导教师: 完成日期: 2020 年 6月 20日 I 目录摘要··································································Ⅲ ABSTRACT ····························································Ⅳ 1前言 课题的特点及研究意义··················································1 模具发展行业的研究现状·············································2 现有研究的不足及本文的研究内容········································3 2工艺分析及计算 引言··································································4 冲压件工艺分析···················································5 冲压件的工艺方案的确定···························6 冲压件工艺计算············································7 修边余量的确定················································8 计算毛坯直径············································8 排样及搭边······················································9 小结·································································9 3模具设计 落料拉深复合模具设计··············································10 落料拉深模结构的确定及有关尺寸的计算······························13 冲裁力的计算及压力机的选择·····································14 4模具结构及其零件设计 落料拉深复合模设计·················································· 15 冲孔模设计·························································20 翻边模结构设计······················································25 III 摘要本设计课题研究的是汽车中一个重要零件—消声器隔板,材料为 Q235 钢,厚度为 ,属于大批量生产尺寸精度要求一般。本文的主要内容是分析它的工艺性并设计它的冲压模具。首先根据该零件的结构特点和所用材料特点进行工艺分析和工艺计算,进而确定出工艺方案。确定的工艺方案中选用三套模具:第一套是落料拉深复合模具,第二套是冲孔模具,最后一套为翻边模具;然后根据工艺计算对模具的具体结构和所需各个零件进行设计和选择,通过计算各所需力,初选用压力机为开式压力机 J23- 16,其公称压力为 160 KN 。关键词: 冲压模具;工艺分析;模具设计 IV Muffler partition stamping process and die design ABSTRACT This design research is an important part in the car — The muffler. The item ’s material is steel Q235 . Thickness item is subjected toa great quantity of production. The size precision is normal. The main content of this article is to analyze its technology and design of stamping mould . Fir