机械5

摘要 本设计是对给定的电闸箱锁扣产品图进行冲压模具设计。冲压工艺的选择是经查阅相关资料和和对产品形状仔细分析的基础上进行的；冲压模具的选择是在综合考虑了经济性、零件的冲压工艺性以及复杂程度等诸多因素的基础上进行的；产品毛坯展开尺寸的计算是在方便建设又不影响模具成型的前提下简化为所熟悉的模型进行的。文中还对冲压成型零件和其它相关零件的选择原则及选择方法进行了说明，另外还介绍了几种产品形状的毛坯展开尺寸计算的方法和简化模型，以及冲压模具设计所需要使用的几种参考书籍的查阅方法。 关键词:电闸箱锁扣;冲压模具;工艺;毛坯;成型零件、展开尺寸 Abstract This desig
n is to desig
n the stampi
ng die for the product graph of the lock box. The selectio
n of stampi
ng process is carried out o
n the basis of co
nsulti
ng related data a
nd carefully a
nalyzi
ng the shape of the product. The selectio
n of stampi
ng dies is based o
n a comprehe
nsive co
nsideratio
n of ma
ny factors such as eco
nomy, stampi
ng process a
nd complexity of parts. O
n the premise that the mold is molded, it is simplified to the familiar model. I
n additio
n, the selectio
n pri
nciple a
nd selectio
n method of stampi
ng parts a
nd other related parts are also explai
ned. I
n additio
n, the calculatio
n method a
nd simplified model of the bla
nk expa
nsio
n of several product shapes are also i
ntroduced, a
nd several refere
nce bookswhich
need to be used i
n the desig
n of stampi
ng die desig
n are also i
ntroduced. Keywords: lock box lock; stampi
ng die; process; bla
nk; moldi
ng parts; deployme
nt dime
nsio
ns 目录 摘要I Abstract II 前言1 第一章、弯曲件的工艺分析4 1.1.弯曲件零件图4 1.2.弯曲件工艺分析4 第二章、弯曲件的工艺方案6 第三章、必要的尺寸计算7 3.1.计算毛坯尺寸7 3.2.排样设计与计算8 3.2.1.排样方法8 3.2.2.搭边值的确定8 3.2.3.送料步距与条料宽度计算9 3.2.4.材料利用率及排样草图9 3.3.冲裁力、压力机的选取及压力中心计算10 3.3.1.冲裁力的计算10 3.3.2.卸料力、推件力和顶件力11 3.4.弯曲模具12 3.5.冲压设备的选择13 3.6.确定模具的压力中心14 3.7.冲模尺寸及公差的计算16 3.8.导柱、导套21 3.9.定位设计21 第四章、模具总体结构设计22 4.1.模具类形的选择22 4.2.定位方式的选择22 4.3.卸料、出件方式的选择22 4.4.导柱、导套位置的确定22 第五章、各工序模具结构形式的确定23 5.1.落料冲孔模如下图23 5.2.弯曲模如下图24 第六章、模具零件的加工26 第七章、模具的装配27 7.1.模装配27 7.2.模装配27 结束语28 设计心得29 致谢30 参考文献31