轴瓦冲裁自动送料机构及模具设计_毕业设计

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1、目录摘要...................................................................1关键词.................................................................11前言................................................................21.1背景...............................................

2、...............21.2冷冲模成形特点....................................................21.3发展趋势..........................................................31.4本文主要研究内容..................................................32工艺方案的选择..............................................

3、........42.1零件的工艺性分析..................................................42.2模具的结构形式....................................................52.2.1冲裁力和弯曲力的计算............................................52.2.2卸料力、推件力和顶件力的计算....................................63冲压模具设计....

4、....................................................73.1排样..............................................................73.2模具压力中心的确定................................................83.3压力机的选择......................................................93.4模具主要零部件的设计..

5、...........................................103.4.1冲孔凸模的结构设计.............................................103.4.2凸凹模的结构设计...............................................113.5冲压模具标准件的选择.............................................123.5.1模架的选择.......................

6、..............................123.5.2挡料销.........................................................153.5.3卸料装置.......................................................153.5.4推件装置.......................................................153.5.5导向零件设计与标准................

7、.............................163.5.6模柄的选用.....................................................163.5.7凸模固定板与垫板...............................................173.5.8冲压模具结构图.................................................18404自动送料机构设计.............................

8、......................185自动送料机构的设计.................................................205.1辊轴送料机构的原理、机构及工作过程...............................205.2结构特性............................