机械5

摘要 本设计题目为端盖冲压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。 本设计运用冲压成型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。介绍了端盖冲压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一套复合模即可。从控制制件尺寸精度出发，对端盖冲压模具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 ABSTRACT The topic of this desig
n is the shell cover stamps formi
ng ha
ndicraft a
nd desig
n for die.The requireme
nt，co
nte
nt a
nd directio
n of the desig
n of the stamps formi
ng plate parts are embodied o
n this stampi
ng die desig
n.The desig
ner’s fou
ndatio
n k
nowledge of the stampi
ng die desig
n is rei
nforced a
nd is able to desig
n more complexstampi
ng die through the desig
n. This desig
n the eleme
ntaryk
nowledgewhich desig
ns usi
ng the stampi
ng formatio
n craft a
nd the die,first has a
nalyzed thework piece formed craft a
nd the die formi
ng structure to theworkpiece qualityi
nflue
nce.I
ntroduced the shell cover filli
ng piece stampi
ng die desig
nwhe
n must payatte
ntio
n to the mai
n poi
nt,through carries o
n the craft a
nalysis to theworkpiece,maydetermi
ne theworkpiece the formed processi
ng uses set of superposable dies.Embarks from the co
ntrolworkpiece size precisio
n,cou
nter shell cover filli
ng piece stampi
ng die each mai
n dime
nsio
n has carried o
n the theoretical calculatio
n,bydetermi
ned eachwork compo
ne
nts the size,desig
ns from the die to the spare part processi
ng craft aswell as the assemblycraft a
nd so o
n carries o
n the detailed elaboratio
n,a
nd carries o
n each importa
nt compo
ne
nts usi
ng CAD the desig
n. Keywords: compou
nd die，process a
nalysis，processi
ng of die parts 目录 前言2 1、绪论3 1.1国内模具的现状和发展趋势3 1.1.1国内模具的现状3 1.1.2国内模具的发展趋势4 1.2国外模具的现状和发展趋势5 1.3有凸缘圆筒形件多次拉深模具设计的设计思路6 2、端盖冲压工艺的分析6 2.1拉深件工艺分析7 2.1.1设计要点7 2.2工艺计算8 2.2.1计算毛坯尺寸8 2.2.2确定工件是否能一次拉深成形8 2.2.3确定是否用压边圈9 2.2.4落料排样设计10 2.2.5主要工作零件的尺寸计算11 2.2.6选取凸模与凹模的圆角半径14 2.2.7主要零部件设计14 2.3压力、压力中心计算及压力机的选用15 2.3.1压力计算15 2.3.2压力机的选用17 3、模具的结构设计18 3.1选用模架、确定闭合高度及总体尺寸18 3.2.1固定板19 3.2.2垫板19 3.2.3打料块19 3.2.4压边圈20 3.2.5导柱、导套20 3.2.6其他零件20 结束语21 致谢22 参考文献23