机械5

多功能组合铣夹具设计 摘要 夹具是能够使产品按一定的技术要求准确定位和牢固夹紧的工艺装置，它的主要用于保证产品的加工质量、减轻劳动强度、辅助产品检测、展示、运输等。轴类工件是常见的工程结构，提高轴类工件铣床夹具设计效率有实际工程意义。 目前，世界上许多国家在计算机辅助夹具设计方面，都做了大量工作。我国在该项领域中尚处于研究阶段。计算机辅助夹具设计是通过计算机软件程序来完成夹具结构设计、总装图和零件图的绘制，以及制定出夹具零件的制造工艺等主要工作的计算机辅助机械设计的一个分支。传统的机床夹具设计需要检索许多资料，并花费许多绘图时间，设计的效率低、成本高。机床夹具设计往往还需借助于设计者的经验。计算机辅助夹具设计的开发和应用，既可缩短设计周期，又能促进机床夹具的标准化和系列化。 在计算机辅助夹具设计中，主要分为组合夹具和专用夹具设计二类。而国际上主要研究的对象是采用标准元件的槽系和孔系的组合夹具。当前国外正向开发夹具柔性化系统领域努力。夹具柔性化主要表现在以下两方面：一是结构的柔性化，即广泛采用标准元件的槽系和孔系组合夹具。二是夹具设计过程柔性化，也就是利用计算机技术和人工智能，把工程师设计夹具的过程描述为一个软件系统。 关键词：夹具；Solid Works；零件库；标准件；模型 Multi-fu
nctio
nal combi
natio
n milli
ng fixture desig
n Abstract Fixture is to make the products accordi
ng to certai
n tech
nical requireme
nts for accurate positio
ni
ng a
nd firm clampi
ng of the process device,its mai
n products for processi
ng to e
nsure quality,reduce labor i
nte
nsity,support product testi
ng,displaya
nd tra
nsportatio
n.Shaft parts is a commo
n project structure a
nd improve the efficie
ncyof shaft parts milli
ng fixture desig
n of practical e
ngi
neeri
ng sig
nifica
nce. Curre
ntly,ma
nycou
ntries i
n the computer-aided fixture desig
n,has do
ne a great job.Chi
na i
n the field research stageputer-aided fixture desig
n bycomputer software applicatio
ns to do Fixture Desig
n,assemblyTu a
nd mappi
ng compo
ne
nts,a
nd fixture parts to develop ma
nufacturi
ng processes a
nd other majorwork i
n a bra
nch of computer aided mecha
nical desig
n.The traditio
nal desig
n of jigs a
nd fixtures
need to retrieve a lot of i
nformatio
n,a
nd spe
nd too much time drawi
ng a
nd desig
n of lowefficie
ncya
nd high cost.Tool fixture desig
n ofte
n
need the help of the desig
ner's experie
nceputer-aided fixture desig
n developme
nt a
nd applicatio
n,ca
n shorte
n the desig
n cycle,but also to promote the sta
ndardizatio
n a
nd serializatio
n of jigs a
nd fixtures. I
n the computer-aided fixture desig
n,divided i
nto modular fixture a
nd special fixture desig
n Type II.The major i
nter
natio
nal studyof the object is a sta
ndard compo
ne
nt of the ta
nk system a
nd a combi
natio
n of fixture holes.The curre
nt positive developme
nt of foreig
n systems i
n the field of flexiblework fixture.Fixture flexibilitylies i
n the followi
ng two aspects: First,the flexible structure,wide ra
nge of sta
ndard compo
ne
nts that slot modular fixture system a
nd holes.Seco
nd,the flexible fixture desig
n process,that is usi
ng computer tech
nologya
nd artificial i
ntellige
nce,to e
ngi
neer the desig
n process is described as a fixture of the software system. Keywords: Machi
ne Tool Fixture；Solid Works；parts library；sta
ndard；model 目录 1绪论1 1.1研究的目的及意义1 1.2国内外的发展及研究状况2 1.2.1国外发展现状2 1.2.2国内发展现状3 1.3本课题研究的内容3 1.3.1研究内容3 1.3.2研究意义4 2中型组合夹具概念6 2.1夹具概念6 2.2机床夹具的分类6 2.3槽系列组合夹具概念7 2.4组合夹具元件的分类和编号8 2.5组合夹具的组装10 2.6槽系列组合夹具元件与合件11 3 Solid Works设计系统16 3.1 Solid Works简介16 3.1.1 Solid Works界面介绍16 3.1.2菜单简介18 3.1.3工具栏简介18 3.1.4 Solid Works的设计思路19 3.2 Solid Works三维建模19 3.3三维装配21 4铣直槽夹具设计23 4.1零件的结构分析23 4.2工艺规程设计23 4.3夹具设计24 5总结29 参考文献30 致谢32