1、前 言 冲压加工技术是工业的一项基础技术 ,在机械、电子、航空、航天、汽车、轻工等制造行业中应用广泛。同时也对模具制造业提出了应用信息技术将先进的设计理论、方法与制造技术加以系统的集成创新的要求，促进了冲压模具设计、制造的信息化与智能化的快速发展。进入 21 世纪，制造技术在中国发展更加迅速，作为制造业大国，培养数以万计的应用性、技能型人才必须采用现代教育技术手段，以实现国家的人才培养战略的需求。 冲压 成形作为现代工业中一种十分重要的加工方法，用以生产各种板料零件 ,具有很多独特的优势，其成形件具有自重轻、刚度大、 强度高、互换性好、成本低、生产过程便于实现机械自动化及生产效率高等优点，是一
2、种其它加工方法所不能相比和不可替代的先进制造技术，在制造业中具有很强的竞争力，被广泛应用于汽车、能源、机械、信息、航空航天、国防工业和日常生活的生产之中。在吸收了力学、数学、金属材料学、机械科学以及控制、计算机技术等方面的知识后，已经形成了冲压学科的成形基本理论。以冲压产品为龙头，以模具为中心，结合现代先进技术的应用，在产品的巨大市场需求刺激和推动下，冲压成形技术在国民经济发展、实现现代化和提高人民生活水平方面发挥着越来越重要的作用 。 摘 要 本论文应用本专业所学课程的理论和生产实际知识进行一次冷冲压模具设计工作的实际训练从而培养和提高学生独立工作能力，巩固与扩充了冷冲压模具设计等课程所学的
3、内容，掌握冷冲压模具设计的方法和步骤，掌握冷冲压模具设计的基本的模具技能懂得了怎样分析零件的工艺性，怎样确定工艺方案，了解了模具的基本结构，提高了计算能力，绘图能力，熟悉了规范和标准，同时各科相关的课程都有了全面的复习，独立思考的能力也有了提高。油封内夹圈采用落料、拉伸、冲孔复合模，能较好地实现落料及落料件的修边，模具设计制造简便易行。落料拉伸冲孔 效果好，能极大地提高生产效率，但落料拉伸凹模设计较为重要，设计中应充分考虑其落料拉伸模口形状，否则易影响落料拉伸件的形状。说明书也分析了零件冲压成形的工艺特点，介绍了油封外夹圈落料、冲孔、拉深翻边复合模的工作原理和结构设计过程，设计了一副包含落料、
4、冲孔、拉深、翻边的复合模，该模具设计合理，结构紧凑 ,可靠性好，装、拆、修磨方便 ,模具使用性能良好，应用广泛。可以在一个工步中完成夹圈毛坯的落料、成形、预冲孔、翻边四道工序，生产率较旧的工艺方法有很大提高，经济效益显著。通过冲裁件工艺分析等确定了模具类型。按照冲压模 具的一般步骤，计算并设计了本套模具的主要零部件，如：凸模、凹模、凸模固定板等。模架采用标准模架，选用了合适的冲压设备。 关键词：复合模 ，夹圈， 落料 ，复合下料，冲孔，复合模，冷冲压，绘图能力 ABSTRACT Thus the present paper applies this specialty to study the
5、 curriculum the theory and the production know-how carries on a time cold stamping mold design work the actual training to raise and to sharpen the student independent working ability, consolidated and expanded the content which curricula and so on cold stamping mold design studied, the method and t
6、he step which the grasping cold stamping mold designed, the basic mold skill which the grasping cold stamping mold designed had understood how analyzed the components the technology capability, how definite craft plan, had understood the mold basic structure, sharpened the computation ability, carto
7、graphy ability, has been familiar with the standard and the standard, simultaneously various branches correlation curriculum all had the comprehensive review, independent thinking ability also had the enhancement. can enhance the production efficiency enormously, but falls the material to stretch th
8、e concave mold design to be important, in the design should consider fully it falls the material stretch mold mouth shape, otherwise easy to affect falls the material stretches the shape. This project analyse the technology features of punch forming and introduce the operational principle and the st
9、ructure design of the compound moulds of blank-and-cup piercing drawing and flanging. I designed a suit of compound moulds which contain blank-and-cup piercing drawing and flanging. This suit of compound moulds are reasonable designed and has compact structures , high reliability and widely used. Th
10、is suit of compound moulds can complete blank-and-cup piercing drawing and flanging in a position, so the production efficiency and economic benefit are higher then the old technology features. Determine the type of the moulds by the technology anal yes of the part. Then calculate and design the parts according to the normal way, such as: male mould, female mould and mould holder. Keywords: compound moulds,blank-and-cup,falls material,strech mol punch hole,superposeble die,cold stamping ,artography ability
