机械5

四孔花形垫片冲孔落料倒装式复合模设计 摘要 冲裁是利用模具使板料产生分离的一种冲压工序。本设计通过对冲裁件的工艺分析，主要工艺参数的计算，编制了正确的工艺路线。在分析的基础上，为零件设计了一副典型的冲孔落料复合模。本设计详细的介绍了模具的设计过程，包括凹凸模，卸料版等成形零件的设计和重要的工艺参数的选择和计算，详细的描述了冲裁模的设计过程。 在本次垫片的冲孔落料复合模的设计中，我通过对零件的工艺分析，零件主要工艺参数的计算，为零件的加工设计了一套典型的冲孔落料倒装复合模。其中包括了零件的工艺分析，冲压方案的选择，排样方法的选择，冲模压力的计算，凹凸模刃口尺寸的计算，对模具中模座的选择，各种定位零件的选用，模具中个重要零件尺寸的确定进行了确定。最后通过努力，初步设计了一副典型的垫片加工的冲孔落料复合模 关键词：冲裁模；模具设计；复合模 Abstract Pu
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ng die 目录 中文摘要2 英文摘要3 前言4 第一章引言5 第二章：冲裁件的工艺分析6 2.1分析零件的冲压工艺性6 2.2冲压工艺方案的制定6 第三章零件冲模结构的确定7 3.1模具的形式7 3.2定位装置8 3.3卸料装置8 3.4导向零件的设计8 3.5模架的设计9 第四章零件冲压工艺的计算9 4.1零件的排样9 4.2计算冲压力及选择压力机9 4.3计算模具压力中心11 4.4计算模具刃口尺寸11 第五章复合膜主要零件的设计计算12 5.1落料凹模12 5.2冲孔凸模长度的计算13 5.3选定定位和弹簧的标准14 5.4凸凹模固定板尺寸和凸凹模长度的确定15 5.5漏料孔及垫板结构的设计16 5.6卸料版的设计16 5.7模座设计17 5.8冲模闭合高度的确定17 5.9模具总装示意图18 第五章结束语18 参考书目20 致谢21