机械5

摘要 塑料工业是当今世界上增长最快的工业门类之一，而注塑模具是其中发展较快的种类，因此，研究注塑模具对了解塑料产品的生产过程和提高产品质量有很大意义。本设计介绍了注射成型的基本原理，特别是单分型面注射模具的结构与工作原理，对注塑产品提出了基本的设计原则；详细介绍了冷流道注射模具浇注系统、温度调节系统和顶出系统的设计过程，并对模具强度要求做了说明；通过本设计，可以对注塑模具有一个初步的认识，注意到设计中的某些细节问题，了解模具结构及工作原理；通过对PROGRAM的学习，可以建立较简单零件的零件库，从而有效的提高工作效率。 关键字塑料模具参数化镶件分型面 Abstract Plastic i
ndustry is i
n theworld grows
now o
ne of quickest i
ndustry classes, but casts the mold is developme
nt quick type, therefore, the research casts the mold to u
ndersta
nd the plastic product the productio
n process a
nd improves the product quality to have thevery big sig
nifica
nce.This desig
n i
ntroduced the i
njectio
n takes shape the basic pri
nciple, specially si
ngle is divided the profile to i
nject the mold the structure a
nd the pri
nciple ofwork, to cast the product to propose the basic pri
nciple of desig
n; I
ntroduced i
n detail the cold flow cha
n
nel i
njectio
n evil spirit mold pours the system, the temperature co
ntrol system a
nd goes agai
nst the system the desig
n process, a
nd has give
n the expla
natio
n to the mold i
nte
nsity request; Fi
nally i
ntroduced
now i
n theworld the most popular three dime
nsio
nal CAD/CAM system sta
ndard software PRO/ENGNEER's PROGRAM module, a
nd led thewrap to the guide pillar to carry o
n the parametrizatio
n desig
n.Through this desig
n, may to cast the mold to have a prelimi
nary u
ndersta
ndi
ng,
notes i
n the desig
n certai
n detail questio
n, u
ndersta
nds the mold structure a
nd the pri
nciple ofwork; Through to the PROGRAM study, may establish the simple compo
ne
nts the compo
ne
nts storehouse, thus effective e
nha
nceme
ntworki
ng efficie
ncy. Keyword The plastic mold The parametrizatio
n I
nlays Divides the profile 目录 1引言……………………………………………………………………………1 1.1模具工业再国民经济中的地位…………………………………………1 1.2各种模具的分类和占有量………………………………………………2 1.3我国模具工业的现状……………………………………………………2 1.4我国模具技术的现状及发展趋势………………………………………4 2设计过程……………………………………………………………………6 2.1塑件的分析及塑料成型工艺性能………………………………………6 2.2分型面的选择……………………………………………………………7 2.3型腔数目的确定与排列形式……………………………………………8 2.4注射机的选择……………………………………………………………8 2.5浇注系统的设计…………………………………………………………10 2.6成型部分的尺寸设计……………………………………………………15 2.7零件的加工工艺…………………………………………………………18 2.8模具加工工艺流程………………………………………………………19 2.9冷却系统的设计…………………………………………………………20 2.10脱模机构的设计…………………………………………………………24 2.11压力机的校核………………………………………………………………25 结束语……………………………………………………………………………… 27 致谢………………………………………………………………………………… 28 参考文献……………………………………………………………………………… 29