工件图
带凸缘U形三孔长方底座的冲孔落料弯曲成形工艺与复合模具设计【冲压模】
摘要：本设计题目为底座冲孔落料弯曲成形工艺与模具设计，体现了板类冲压零件的设计要求、内容及方向，有一定的设计意义。通过对该零件模具的设计，进一步加强了设计者冲压模具设计的基础知识，为设计更复杂的冲压模具做好了铺垫并吸取了更深刻的经验。
本设计运用冲孔落料弯曲成形工艺及模具设计的基础知识，首先分析了工件的成形工艺及模具成形结构对制件质量的影响。介绍了底座冲孔落料弯曲模具设计时要注意的要点，通过对制件进行工艺分析，可确定制件的成形加工用两套模具即冲孔落料正装复合模和一次弯曲成形模具。从控制制件尺寸精度出发，对该底座冲孔落料弯曲模的各主要尺寸进行了理论计算，以确定各工作零件的尺寸。从模具设计到零部件的加工工艺以及装配工艺等进行详细的阐述，并应用CAD进行各重要零件的设计。
关键词：复合模；工艺分析；模具零部件的加工工艺。
The foundation punch holes fall the material
Curving mold the design
Abstract：The topic of this design is the foundation punch holes fall the material to be curvingforming process and die design. The requirement，content and direction of the design of the stamps forming plate parts are embodied on this stamping die design. The designer’s foundation knowledge of the stamping die design is reinforced and is able to design more complex stamping die through the design.
The design of the use of the punch holes fall the material curving forming process and die design of the basic knowledge, First,we analyze the shape ofworkpiece forming process and die structure of the parts quality. Introduced The foundation punch holes fall the material curving mold design to the main points of attention, through the process of parts for analysis, to determine parts of the forming diewith two sets of molds are the punch holes fall the material true thing superposable die and one time form the mold curving. Embarks from the controlworkpiece size precision, To the foundation punch holes fall the material bending die of the main dimensions of the theoretical calculation to determine the size of theworking parts. Parts from the mold design to the processing technology aswell as the assembly process, such as described in detail, and the application of CAD for the design of the important parts.
Keywords: compound die；process analysis；processing of die parts.
目录
1绪论……………………………………………………………………………….1
1.1冲压模具行业发展现状及技术趋势…………………………………….1
1.2未来冲压模具制造技术发展趋势………………………………………..2
2冲孔落料弯曲模设计…………………………………………………………..4
2.1冲压件的工艺分析………………………………………………………….4
2.2冲压工艺方案的确定……………………………………………………….5
2.3主要设计计算………………………………………………………………..6
2.3.1冲裁件坯料长度的计算………………………………………………….6
2.3.2冲裁排样方式的确定与相关计算………………………………………7
2.3.3计算凸、凹模刃口尺寸…………………………………………………..8
2.3.4冲压力的计算及压力中心的确定…………………………………….14
3模具总体设计………………………………………………………………….16
3.1冲孔落料正装复合模的设计……………………………………………..16
3.1.1模具的类型选择…………………………………………………………16
3.1.2模具主要零部件的结构设计…………………………………………..16
3.2一次弯曲成形模的设计……………………………………………………19
3.2.1模具的类型选择………………………………………………………...19
3.2.2模具主要零部件的结构设计…………………………………………..20
4冲压设备的选定及安装………………………………………………………22
4.1冲压设备的选定………………………………………………………….22
4.1.1冲孔落料正装复合模冲压设备的选定……………………………..22
4.1.2一次弯曲成形模冲压设备的选定…………………………………...23
4.2各套模具在压力机上的安装及其他……………………………………24
4.2.1模具在压力机上的安装……………………………………………….24
4.2.2模具装配的主要技术要求……………………………………………24
5模具附图的绘制……………………………………………………………….26
6结束语…………………………………………………………………………..29
致谢………………………………………………………………………………...31
参考文献…………………………………………………………………………..32
底座一次弯曲成形模装配图
底座冲孔落料模装配图
冲孔凸模
垫板
顶件块
工序卡
过程卡
零件分析
落料凹模
上模座
设计目录
设计摘要
设计字数统计
凸凹模
凸凹模固定板
凸模固定板
图纸总汇13张
推板
下模座
卸料板
