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固定器底座塑料模具设计论文[带图纸].doc

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固定器底座塑料模具设计论文[带图纸].doc

本科毕业设计论文题目固定器底座塑料模具设计系别机电信息系专业机械设计制造及其自动化班级学生学号指导教师2013年05月I固定器底座塑料模具设计摘要本文讲述了固定器底座塑料模具设计,主要内容包括制品材料的选择及材料性能的分析、注射机的选用、模具结构选择、浇注系统的设计、成型零件的设计、合模导向机构的设计、冷却系统的设计、推出机构的设计以及部分零件的制造工艺分析和经济性分析及环保分析等。设计过程中运用到了Pro/Engineer、AutoCAD等一些常用的CAD技术,另外还涉及到Photoshop的应用。其与传统的模具设计相比,在很多方面都具有相当大的优越性。本设计旨在熟悉和巩固模具设计过程。塑料注射模具是成型塑料的一种重要工艺装备,通过对固定器底座模具设计,能够全面的了解塑料模具设计的基本原则、方法。并能较为熟练的使用Pro/Engineer、AutoCAD等软件进行塑料模具设计,提高自己的绘图能力,能为今后从事设计工作打下坚实的基础。关键词注塑模工艺分析浇注系统IIFixingdevicemolddesignAbstractThispaperdescribesthefixingdevicemolddesign,themaincontentsincludetheselectionofproductmaterialanditspropertyanalysis,theselectionofinjectionmachine,moldstructure,designofgatingsystem,thedesignofmoldingparts,moldclosingmechanismdesign,coolingsystemdesign,introducedthedesignofinstitutionsaswellaspartsofthemanufacturingprocessanalysisandtheeconomicanalysisandenvironmentalanalysis.ThedesignprocessisappliedtothePro/Engineer,AutoCADandsomeothercommonlyusedCADtechnology,moreoveralsorelatestotheapplicationofPhotoshop.Withthetraditionalmolddesign,inmanyaspectshasgreatsuperiority.Inamolddesignisthedifficultyofdesignprocesshole.Istheuseoftheplasticpartsofthedesigntoreplacethesidecorepulling,replacesb.Thisdesignisforthepurposeofunderstandingandconsolidatethemoulddesignprocess.Injectionmouldforplasticmoldingplasticsisanimportantprocessequipment,basedonthefixingdevicemolddesign,canfullyunderstandtheplasticmolddesignbasicprinciple,methodof.AndmoreskilleduseofPro/Engineer,AutoCADsoftwareforplasticmolddesign,toimprovetheirdrawingskills,toengageindesignworkandlayasolidfoundation.KeyWordsplasticinjectionmouldProcessanalysisgatingsystemIII目录1绪论..........................................................................................错误未定义书签。1.1题目背景..........................................................................错误未定义书签。1.2国内外相关研究情况......................................................................................11.3中国与国外先进技术的差距..........................................................................21.4塑料模具发展走势..........................................................................................22塑件材料分析与方案论证...............................................................................42.1塑件的工艺分析..............................................................................................42.1.1塑件的材料..........................................................................................42.1.2ABS的成型工艺特性与性能.............................................................42.1.3塑件的工艺性分析..............................................................................42.1.4苯乙烯丁二烯丙烯腈(ABS)的注射成型工艺参数...................52.2塑件的成型工艺..............................................................................................62.2.1注射成型的原理..................................................................................62.2.2注射成型的工艺过程..........................................................................72.3注塑模的机构组成..........................................................................................82.4方案论证..........................................................................................................93注射机的选择.....................................................................................................113.1塑件收缩率与模具尺寸的关系....................................................................113.2确定零件的体积............................................................................................113.3选择注射机及注射机的主要参数................................................................113.3.1注射机的类型.....................................................................................113.3.2注射机的主要技术参数.....................................................................133.3.3注射机的校核...................................................................................134模具结构的设计................................................................................................154.1浇注系统........................................................................................................15IV4.1.1浇注系统的作用................................................................................154.1.2浇注系统布置....................................................................................154.2流道系统设计................................................................................................154.2.1浇口套的设计....................................................................................154.2.2冷料井设计........................................................................................174.2.3分流道设计........................................................................................174.3浇口设计.....................................................................................................184.3.1浇口的类型........................................................................................184.3.2浇口的位置........................................................................................185成型零件设计.....................................................................................................205.1分型面的设计................................................................................................205.2成型零件应具备的性能................................................................................205.3成型零件的结构设计....................................................................................215.3.1凹模(型腔)结构设计....................................................................215.3.2型芯的结构设计................................................................................215.4成型零件工作尺寸计算................................................................................225.4.1影响塑件尺寸和精度的因素............................................................225.4.2成型零件工作尺寸的计算................................................................235.4.3模具型腔侧壁和底板厚度的计算....................................................256导向机构的设计................................................................................................276.1导向机构的作用............................................................................................276.2导柱导向机构................................................................................................276.2.1导向机构的总体设计........................................................................276.2.2导柱的设计........................................................................................286.2.3导套的设计........................................................................................287脱模机构的设计................................................................................................297.1脱模机构的结构组成....................................................................................297.1.1脱模机构的设计原则........................................................................29

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