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盐城工学院本科生毕业设计说明书20101目录1前言..............................................................11.1课题意义........................................................11.2国内外发展现状..................................................11.3设计前提及主要问题..............................................21.4解决的主要问题和总体设计思路....................................31.5预期成果和实际价值..............................................32总体方案论证......................................................43具体设计说明......................................................53.1塑件测绘........................................................53.2塑件三维实体造型................................................53.3材料的选择......................................................63.3.1制品材料......................................................63.3.2模具材料的选择................................................63.4注塑机的校核....................................................73.4.1注塑设备的确定................................................73.4.2注塑机有关工艺参数的校核......................................73.5分型面的设计....................................................93.6浇注系统设计...................................................103.6.1浇注系统的设计原则...........................................103.6.2主流道的设计.................................................103.6.3分流道及其平衡布置...........................................113.6.4浇口的设计...................................................113.6.5冷料穴的设计.................................................123.7冷却系统的设计.................................................123.7.1在设计冷却系统时，应从多方面考虑：...........................133.7.2冷却计算.....................................................133.7.3冷却水道在定模中的位置.......................................133.8顶出系统的设计.................................................143.8.1推出机构设计.................................................143.8.2顶出行程.....................................................153.8.3复位杆.......................................................153.8.4顶杆的形状与尺寸选择.........................................15手机前盖注塑模具设计及型腔仿真加工23.8.5导向装置位置的布置...........................................153.8.6浇注系统零件设计.............................................163.9侧向分型与抽芯机构的设计.......................................163.9.1侧向抽芯机构设计应注意如下要点：.............................163.9.2抽芯距、抽拔力与斜导柱的计算.................................173.9.3斜导柱的设计.................................................173.9.4滑块的设计...................................................173.10模架设计......................................................183.11凸凹模的造型..................................................193.12型腔加工工艺分析及加工仿真....................................223.12.1零件的工艺性审查............................................223.12.2毛坯选择....................................................223.12.3基准选择....................................................223.12.4拟定加工方案................................................223.12.5型腔数控仿真加工............................................224结论.............................................................25参考文献...........................................................26致谢............................................................27附录...............................................................28手机外壳注塑模具设计及型腔仿真加工摘要：本课题是关于手机外壳模具的设计，主要是手机外壳注射成型模的结构设计和模具加工制造。手机的形状较为复杂，所以模具设计中要考虑的因素有很多，除考虑它的出模、分型面，还需考虑它成型的质量，表面光洁度等。所以我们设计应认真分析塑料制品的结构，寻求最佳的设计方案并选择成型设备的规格和型号。分型面的选择很重要，制件不是平直表面，分型面的选择既要考虑不影响制件表面的美观，又要达到结构要求。浇注系统的设计也很重要，在此次设计中我选点浇口，并设有冷料穴。拉料杆采用Z形，这就解决了制品出盐城工学院本科生毕业设计说明书20103模的问题。编制塑件的模型成型工艺，并进一步对该注射模结构进行设计，编制该注射模主要零件的加工工艺，最后进行型腔仿真加工。结构设计包括分型面、型腔布置、浇注系统、排气系统、加热冷却系统、侧向抽芯机构、顶出机构、脱模机构以及主要零部件的设计。模具加工制造运用PRO/E进行三维造型设计并对注塑模模具进行装配，对手机外壳注塑模具定模板型腔的加工工艺进行了分析，并利用Mastercam软件进行了仿真加工，其切削过程直观，切削参数得以体现，不合理的参数可以改进，能最大限度地降低能源和材料消耗，提高加工效率。此注射模设计的结构特点是点浇口形式的双分型面的注射模，是侧向抽芯。经生产验证，该模具结构设计巧妙、操作方面、使用寿命长、塑件达到技术要求。关键词：模具设计：注塑模具；仿真加工；分型面ThedesignofthemobileshellmouldAndthesimulationprocessingofthemoldcavity手机前盖注塑模具设计及型腔仿真加工4Abstract:Thistopicistodesignthemobileshellmold,whichincludesthestructuredesignmouldassistdesigningformanufacturing,andtheworkingprocessoftheinjectionmouldofthefrontcoverofthemobileshellsetwereintroduced.Mobileshapesocomplicatedthatthemolddesignhasalotoffactorstobeconsidered,inadditiontoitsejectorpin,partingsurface,itneedstoconsiderformingthequalityofsurfacefinish,andsoon.Therefore,weshouldcarefullydesignthestructureofplasticproducts,findthebestdesignoptionsandchoosethemoldingequipmentspecificationsandmodels.Itisveryimportant,notthestraightpartssurface,partingsurfaceofchoiceitisnecessarytoconsidernotaffectpartsofthesurfaceappearance,butalsotostructuralrequirements.Pouringsystemdesignisalsoimportantinthedesignoftheelection,pingatecold-slagwellandZ-shapepinwerechosenwhicharesolvedtheproblemofproductstodie.PlasticPartsoftheProcessmodel,andfurtherinjectionstructureofthedesign,preparationofthemaincomponentsoftheinjection-processingtechnology,acavitysimulationfinalprocessing.Thestructuredesigninvolvepartingplane,cavitylayout,oldsystems,heatingcoolingsystems,thesidecorepullingmechanismstructure,propuptheorganization,drawingpatternsandt