弹簧片冲压工艺及弯曲模具机械CAD图纸设计.doc

摘 要 本次主要是进行弹簧片冲压工艺分析与成形模具设计。弹簧片是一个常见的工业产品，以前用复合模来生产，一副模具只能生产一个尺寸的工件。随着工业的发展，产品的尺寸规格越来越多，提出了一副模具能生产各种尺寸与厚度产品的要求。本次设计选用连续模和弯曲模具组合方案，不仅解决这一个问题，还提高了材料的利用率。用连续模和弯曲模分别生产，只要换掉部分零件，就可以生产其它尺寸的零件。在设计过程中，尽可能地选用标准零件。这有利于降低成本、减少工作量。着重介绍了连续模具的材料选取、模具结构、工艺分析与计算、主要零件设计、制造工艺过程。同时给出了弹簧片弯曲模实用结构，计算了弹簧片的回弹量，介绍了弯曲模具工作过程。该弯曲模采用一个垂直浮动凸模和两个水平移动的成形工件的弯曲回弹获得补偿。该弯曲模结构简单，工作可靠，操作方便，效率高，适用于弯制弹簧片类的小工件。 Content Summary This is mainly a spring-stamping process of forming and Design of the Bending Die for Spring Pieces ，Spring Pieces is a common industrial product, it even made from composite mold, but it can only produce a size of workpiece. With the development of industry the size specification of product become more and more. Put forward request that one mold can produce a variety of size and thickness of product. The design has selected this program (continuo-us mold), not only to solve the problem, but also to improve the utilization of the material. Using continuous mold to produce, just change some parts of the mold, it also can produce others size of products. During the design process, choosing the standard component as far as possible. Because, it is helpful to reduce costs and cut down the amounts of work. The design is divided into five part，that is : Material selection, Mold structure, Art and crafts analysis and calculation, The main parts design, Manufacturing process.A practical structure of the bending die for forming spring pieces is presented. The working process of the die is introduced. The rebound quantity of the spring pieces has been calculated.A vertically floating punch and two horizontally movable die blocks are used for the die to compensate the rebound of the formed spring pieces. 前 言 由于模具技术的迅速发展，模具设计与制造已成为机械行业中一个大的分枝。从事模具行业工作的专业人才也越来越多，模具也倾向标准化，系列化，模具的诸多零件已经具有互换性，模具的设计周期越来越短，因此模具已经成为提高产品的竞争能力的重要手段。模具已成为各种产品不可缺少的工艺设备。 本次毕业设计内容是：弹簧片冲压工艺及弯曲模具设计。毕业设计的目的不仅是对大学四年所学知识的一个巩固和总结，而且是大学期间重要的环节，专业知识的一次综合检测，为以后奠定基础。1.2.2 冲压件的成本分析所谓经济性，就是以最小的耗费取得最大的经济效果。也就是生产中的“最小最大