机械5

异形垫板冲压模具设计 摘要 本设计是对给定的异形垫板产品图进行冲压模具设计。冲压工艺的选择是经查阅相关资料和和对产品形状仔细分析的基础上进行的；冲压模具的选择是在综合考虑了经济性、零件的冲压工艺性以及复杂程度等诸多因素的基础上进行的；产品毛坯展开尺寸的计算是在方便建设又不影响模具成型的前提下简化为所熟悉的模型进行的。文中还对冲压成型零件和其它相关零件的选择原则及选择方法进行了说明，另外还介绍了几种产品形状的毛坯展开尺寸计算的方法和简化模型，以及冲压模具设计所需要使用的几种参考书籍的查阅方法。 关键词：异形垫板；冲压模具；成型；模具设计 Abstract This desig
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ng process is based o
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nalysis of product shape; the selectio
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n the premise that the mold is molded, it is simplified to the familiar model. The selectio
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nsio
n for several product shapes are also i
ntroduced. The co
nsulti
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n are also i
ntroduced. Keywords special-shaped backi
ng plate; stampi
ng die; formi
ng; mold desig
n 目录 摘要I Abstract II 第一章、绪论1 1.1.冲压的概念、特点及应用1 1.2.冲压的基本工序及模具2 第二章、冲裁件的工艺性分析4 2.1.冲压件的形状4 2.2.零件的工艺性分析4 2.3.冲裁件的尺寸精度5 第三章、制件冲压工艺方案的确定5 第四章、制件排样图的设计及材料利用率的计算6 4.1.制件排样图的设计6 4.2.材料利用率的计算8 第五章、确定总冲压力和选用压力机及计算压力中心8 5.1.落料模8 5.1.1.落料力计算8 5.1.2.卸料力、推件力计算9 5.2.压力中心的计算10 5.3.压力机的选用12 第六章、落料凸、凹模刃口尺寸计算13 6.1.计算原则13 6.2.凸模和凹模配合加工14 第七章、模具整体结构形式设计15 第八章、模具零件的结构设计17 8.1.落料凸模的设计17 8.2.落料凹模的设计17 8.3.卸料零件19 8.4.落料模具标准件选择19 第九章、压力机的校核21 第十章、模具零件的加工22 第十一章、模具的装配23 设计小结24 致谢25 参考文献26