机械5

带孔L形支撑片的冲孔落料复合模设计【冲裁冲压模】 摘要 本设计题目为复合模具设计，体现了典型复合模具设计的要求，内容与方向。通过工艺分析，工艺方案的确定，确定了模具设计的方向，对毛坯尺寸的确定，计算冲裁力，来计算压力中心，选择压力机和压力机的吨位。 本设计运用了冲裁工艺及模具设计的基础知识。首先，分析了板材的性能要求，为选去模具的类型做了准备，同时，也为凸，凹模的材料有了依据。后分析冲裁件的特征，确定了模具设计参数，选择其他零件及卸料装置。也为凸，凹模尺寸的计算有了根据。还有零件的加工工艺。 关键词:复合模凸模凹模 ABSTRACT This desig
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nch cavitydie 目录 1绪论1 1.1国内模具的现状与发展趋势1 1.1.1国内模具的现状1 1.1.2国内模具的发展趋势2 1.2国外模具的现状与发展趋势2 2模具工艺分析4 2.1原始资料4 2.2工艺方案的确定4 2.3主要设计计算5 2.3.1排样方式的确5 2.3.2、冲压力的计算6 2.3.3、压力中心的确定及相关尺寸的计算7 2.3.4、工作零部件刃口尺寸的计算9 2.3.5、卸料件的设计10 3模具的总体设计13 3.1模具零部件的选择13 3.1.1模具结构的确定13 3.1.2定位方式的选择13 3.1.3卸料、出件方式的选择13 3.1.4导向方式的选择13 4模架及工作零件的设计和加工14 4.1工作零件的结构设计14 4.1.1冲孔凸模的设计14 4.1.2落料凹模的设计15 4.1.3凸凹模的设计16 4.1.4导料销及挡料销的设计17 4.1.5卸料部件的设计17 4.1.6推件块的设计17 4.2模架的设计17 4.3冲压设备的选定19 4.4模具零件的加工工艺19 4.5模具的装配20 5.结束语22 致谢24 参考文献25