机械5

摘要 随着模具制造的技能化逐步向科学化发展，逐渐由以前手动方式发展为利用软件等高科技方式来辅助设计的完成。冷冲模是其中的一种。 设计是在模具专业理论教学之后进行的实践性教学环节。是对所学知识的一次总检验，是走向工作岗位前的一次实战演习。其目的是，综合运用所学课程的理论和实践知识,设计一副完整的模具训练、培养和提高自己的工作能力。巩固和扩充模具专业课程所学内容，掌握模具设计与制造的方法、步骤和相关技术规范。熟练查阅相关技术资料。掌握模具设计与制造的基本技能，如制件工艺性分析、模具工艺方案论证、工艺计算、加工设备选定、制造工艺、收集和查阅设计资料，绘图及编写设计技术文件等。 本次设计选择M16螺栓垫圈为研究对象，是在指导老师认真、耐心的指导下，对模具的经济性、模具的寿命、生产周期、及生产成本等指标下进行全面、仔细的分析下而进行冲压工艺及其冲压模具设计的。在此，我表示衷心的感谢他们对我的教诲。 冲模是模具设计与制造专业的主要专业课程之一。它具有很强的实践性和综合性，通过学习这门课程，使我对冲压模具有了新的认识，从中也学到了不少知识，激发了我对冲压模具的爱好。 关键词：螺栓垫圈；经济性；冲压工艺；模具设计 Abstract With the developme
nt of die ma
nufacturi
ng tech
nology to scie
nce, the former ma
nual method has bee
n gradually developed to the use of software a
nd other high-tech methods to assist desig
n.Cold die is o
ne of them. Graduatio
n desig
n is a practical teachi
ng li
nk after theoretical teachi
ng of mold major.It is a ge
neral test ofwhatwe have lear
ned a
nd a practical exercise before movi
ng towork.Its purpose is to desig
n a complete set of die trai
ni
ng, cultivate a
nd improve ow
nworki
ng ability by comprehe
nsively applyi
ng the theoretical a
nd practical k
nowledge of the course.Co
nsolidate a
nd expa
nd the co
nte
nts lear
ned i
n the course of Die Major a
nd master the methods, steps a
nd releva
nt tech
nical specificatio
ns of die desig
n a
nd ma
nufacturi
ng.Proficie
nt access to releva
nt tech
nical data.Master basic skills i
n die desig
n a
nd ma
nufacturi
ng, such as process a
nalysis of parts, demo
nstratio
n of die process pla
n, process calculatio
n, selectio
n of processi
ng equipme
nt, ma
nufacturi
ng process, collectio
n a
nd review of desig
n data, drawi
ng a
nd preparatio
n of desig
n tech
nical docume
nts, etc. This desig
n chooses M16 boltwasher as the research object. U
nder the guida
nce of i
nstructor carefully a
nd patie
ntly, the stampi
ng process a
nd die desig
n are carried out u
nder the comprehe
nsive a
nd careful a
nalysis of die eco
nomy, die life, productio
n cycle a
nd productio
n cost.Iwould like to express my si
ncere tha
nks to them forwhat they have taught me. Die is o
ne of the major courses for die desig
n a
nd ma
nufacturi
ng.It has a stro
ng practicality a
nd comprehe
nsive
ness. By lear
ni
ng this course, I have a
new u
ndersta
ndi
ng of stampi
ng dies, fromwhich I have lear
ned a lot of k
nowledge a
nd stimulated my i
nterest i
n stampi
ng dies. Keywords: boltwasher; eco
nomy; stampi
ng process; die desig
n 目录 摘要4 1、引言5 1.1.模具行业的发展现状及市场前景5 1.2.题目研究方法6 2、冲裁件的工艺性分析7 2.1.冲裁件的结构工艺性7 2.1.1.冲裁件的形状7 2.1.2.冲裁件的尺寸精度8 3、制件冲压工艺方案的确定9 3.1.冲压工序的组合9 3.2.冲压顺序的安排9 4、制件排样图的设计及材料利用率的计算10 4.1.制件排样图的设计10 4.1.1.搭边与料宽10 4.2.材料利用率的计算11 5、确定总冲压力和选用压力机及计算压力中心12 5.1.冲压力12 5.1.1.冲裁力的计算12 5.1.2.卸料力、推件力及顶件力的计算12 5.2.压力中心的计算13 5.3.压力机的选用14 6、凸、凹模刃口尺寸计算15 6.1.凸、凹模刃口尺寸计算原则15 6.2.凸、凹模刃口尺寸计算方法16 6.2.1.凸模和凹模分开加工16 6.2.2.凸模和凹模配合加工16 7、模具整体结构形式设计18 8、模具零件的结构设计19 8.1.凸凹模的设计19 8.2.落料凹模的设计19 8.3.选择标准模架21 8.4.卸料、压边弹性元件的确定21 9、模具总体结构设计23 9.1.模具类形的选择23 9.2.定位方式的选择23 9.3.卸料、出件方式的选择23 9.4.导柱、导套位置的确定23 10、模具的动作原理24 设计小结25 参考文献26