样板-手机外壳塑料模具设计说明书

广东白云学院毕业论文（设计）题目：手机底壳注塑模具设计学生姓名：学号：班级:07模具本科专业：机械设计制造及其自动化系别:机电工程系指导教师：2011年5月手机底壳注塑模具设计手机底壳注塑模具设计摘要在现代社会中，手机正成为通信领域内的宠儿，它的发展带动着一系列科技领域的崛起。随着手机产品的不断成熟以及人们消费观念的转变，手机的质量、功能以及外观成为商家竞争的焦点。而要保证竞争优势就必须重视手机外壳的结构设计和注塑模具成型。注塑模具成型是塑料工业中发展较快的种类，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。本设计主要是利用大学知识，以及在手机生产公司的实际接触，对手机—底壳进行模具设计。设计初期，首先按照零件图用UG软件对零件进行产品的三维造型。然后通过所学知识和计算确定了分型面、浇注系统、侧抽芯机构、脱模机构、冷却系统等，选择了注射机，计算成型零部件的尺寸，用UG进行模架的绘制，同时还进行了产品结构的工艺分析。和传统的设计方法相比较，采用计算机辅助模具设计大大缩短了开发周期和生产成本。通过本次设计，可以对注塑模具有一个初步的认识，了解模具结构及工作原理，注意到设计中的某些细节问题。关键词：手机底壳；注射模具成型；计算机辅助设计；手机底壳注塑模具设计MOBILETELEPHONEBOTTOMSHELLINJECTIONMOLDDESIGNABSTRACTInthemodernsociety，mobiletelephoneisafavouritesoninthecommunicationsrealm，itsdevelopmentdriveaseriesoftechnologyemerging。Alongwiththemobiletelephonematureandthepeople’sconsumeconceptexchange，thequality、functionandappearanceofthemobiletelephonebecomethefocusofthebusinesscompetition。Wemustattachtheimportancetothestructureofthedesignandtheinjectionmolddesigntoensurethehotcompetitiveness。Theinjectionmolddesignisrapiddevelopmentintheplasticcoreindustrial。Therefore，thestudyofplasticproductsinjectionmolddesignhasgreatsignificancetounderstandtheprocessofproductionandproductquality。Thisthemobiletelephonebottomshellinjectionmolddesignisaccomplishprimarilyonuniversitylearningandtheactualcontactinthemobiletelephoneproducefactory。Firstofall，Iaccordingtothemobiletelephonepartsdrawingtoconductaproductugpartsofthe3dgraphics。Andthenbytheknowledgeanddeterminethetype，andtothepourleadagencysystem、sideaway、releaseandcoolingsystemetc，choosetheinjectionmachines，Calculatethedimensionsofcorecomponents,withUGtodrawamodal，atthesametimeanalysisthestructureoftheproduct。Comparewiththetraditionalapproach，Acomputer-aideddesignmoldscangreatlyshorteningthedevelopmentcycleandthecostofproduction。Throughthisdesign，Ihaveaprimaryknownoninjectionmoledesign，knownthestructureandworkingmechanism。Inthemachinemoldandnotedsomedetailsproblemofthedesign。Keyword：MobileTelephone;InjectionMolddesign;Computer-aideddesign手机底壳注塑模具设计目录1绪论......................................................................................................................................11.1课题研究的目的及意义..............................................................................................11.2国内外研究的现状......................................................................................................11.3课题研究基本内容和方法..........................................................................................41.3.1.基本设计思路...................................................................................................41.3.2拟采用的途径（研究手段）...........................................................................41.4论文结论和成果形式..................................................................................................62塑件的结构工艺性分析.................................................................................................82.1塑件的几何形状分析..................................................................................................82.2塑件的结构工艺性分析..............................................................................................92.3塑件原材料的成型特性分析......................................................................................92.3.1ABS的注射成型工艺......................................................................................92.3.2ABS性能分析................................................................................................102.3.3ABS成型塑件的主要缺陷及消除措施........................................................123注射机型号的初步确定........................................133.1塑件的生产批量........................................................................................................133.2初选注射机................................................................................................................133.2.1计算塑件体积和重量....................................................................................133.2.2根据塑件本身的几何形状及生产批量确定型腔数目.................................133.2.3浇注系统凝料体积的初步估算.....................................................................133.2.4选择注射机.....................................................................................................143.3注射机相关参数的校核............................................................................................153.3.1注射量校核....................................................................................................153.3.2锁模力校核....................................................................................................153.3.3注射压力的校核............................................................................................16手机底壳注塑模具设计4分型面的设计................................................174.1分型面的选择原则....................................................................................................174.2分型面方案的选择....................................................................................................175浇注系统的设计..............................................185.1主流道的设计与计算校核........................................