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1、摘要冲裁工艺在工业生产中应用广泛。冲压模具设计与制造技术是一项技术性和经验性都很强的工作。本次毕业设计选择了冲压工艺分析与模具的CAD设计，利用计算机CAD软件辅助设计。用Donform软件对冲压工艺进行分析和模拟。根据分析结果选择合理的冲压工艺和合理的模具结构，在此基础上优化零件结构和选择合适的零件材料。经过查阅资料，首先要对零件进行工艺分析，经过工艺分析和对比，采用冲孔落料工序，通过冲裁力、顶件力、卸料力等计算，确定压力机的型号。再分析对冲压件加工所需的模具类型，选择所需设计的模具类型。得出将设计的模具类型后，将模具的各工作零部件设计过程表达出来。本文首先叙述了冲压模具的发展状况，模具在现
2、代工业中的作用，和在整个国民经济中的地位。说明了冲压模具的重要性与本次设计的意义，接着是简单说明了模具设计的基本概念和模具设计的一般步骤、模具的分类、模具零件的分类、模具的结构形式、冲压的基本概念、冲压工艺基础理论、塑性力学基础理论。然后对冲压件进行工艺分析，完成了工艺方案的确定，对零件排样图的设计，完成了材料利用率的计算。再进行冲裁工艺力的计算和冲裁模工作部分的设计计算，为选择冲压设备提供依据。其次对主要零部件的设计和标准件的选择，为本次模具零件图的绘制和模具的成形提供依据，以及为装配图各尺寸提供依据。通过前面的设计方案画出模具各零件图和装配图。再次根据模具的使用要求和具体加工条件设计了模具
3、零件的加工工艺。最后利用Donform软件模拟加工过程分析受力情况。本次设计阐述了冲压倒装复合模的结构设计及工作过程。本模具性能可靠，运行平稳，提高了产品质量和生产效率，降低劳动强度和生产成本。关键字：冲压；落料冲孔；复合模；模具结构ABSTRACTApplication is broad according to cutting handicraft in the commercial run. That dies designs and makes a technology is one item technicality and all very strong job of experi
4、ence. Originally, time, graduation practice has chosen stamping industrial analysis and the mould CAD has designed that。Make use of the computer CAD software to assist design。Make use of the Donform software to carry out analysis and the simulation on to stamping a handicraft. Choose rational stampi
5、ng handicraft and rational mould structure according to analysing result. The basis fixes the part material optimizing part structure and choosing rightly here. Look up a data through. First be going to carry out industrial analysis on the part , Industrial analysis and contrast pass. Adopt punched
6、hole blank working procedure. Passing according to cutting a force , being equivalent to a force in being unloaded piece strenuously, and so on secretly schemes against, ascertain the press machine type. Again analysis stamps the type processing the required mould piece face to face. Choose the requ
7、ired mould type. Reach with the mould type queen who designs that, The process every mould job component and part is designed is expressed out.Situation the main body of the book has been narrated first stamping development of mould. Mould effect in modern industry and position in drawing in entire
8、national economy. Have explained the significance that dies significance and capital design time. The step having explained the design for die and mould basic concept and the design for die and mould sort simplely follow, the mould classification , mould part classification , the mould structure for
9、m , the basic concept stamping, stamp handicraft basic theory , engineering plasticity basic theory. And then carry out industrial analysis on stamping piece. Accomplish handicraft scheme ascertaining that. Arrange the master drawing design to the part. Be completed to material the utilization ratio
10、 calculation. Carry out the calculation according to cutting a force again andThe design according to cutting the model job part secretly schemes against. Be that the equipment choosing stamping provides a basis. Secondary choice to main component and part design and standard piece. Drawing and the
11、mould forming that time of mould part pursues provide a basis to. And, every dimension provides a basis to assembling picture. By the fact that the preceding design plan draws up a mould, every part pursues and assembles picture. Once again, according to the mould, sigmatism demands condition and pr
12、ocesses concretely to have designed mould part treating handicraft. Make use of the Donform software imitate to process process analysis accepting force condition finally. Design the physical design and course of work having set forth the stamping upside down mounting compound model originally time.
13、 The mould function is reliable originally , operation is stable, have raised product quality and the efficacy , have reduced the intensity of labour and cost of production.Keywords: Stamping; Blanking and Punching; Compound die; Die structure目录摘要ABSTRACT. 第1章 绪论11.1模具技术的历史现状与发展水平11.1.1冲压模具的历史11.1.2
14、冲压模具的市场情况11.1.3 冲压模具水平状况21.2模具在现代工业中的地位31.3模具工业在国民经济中的地位31.4我国模具技术的现状与发展4第2章 模具设计过程与基本概念62.1 冲压模具设计的一般设计步骤62.1.1取得必要的资料62.1.2 确定工艺方案及模具结构型式72.1.3 进行必要的工艺计算82.1.4 模具的总体设计82.1.5 模具主要零部件的结构设计82.1.6 选定冲压设备92.1.7 绘制模具总图92.1.8绘制各非标零件的零件图102.1.9 填写模具记录卡和编写冲压工艺文件102.2 冲压模具的作用及基本要求102.2.1制造精度高112.2.2操作性能良好112.2.3使用寿命长112.2.4制造周期短122.2.5模具成本低122.3 模具的分类12 2.4模具零件的分类132.4.1工艺零件132.4.2传动零件142.4.3辅助结构零件
