CD液显下盖注塑模具设计说明书.doc -- 30 元

XX学校XX学校毕业设计说明书课题名称CD液显下盖注塑模具设计学生姓名学号所在学院专业班级指导教师起讫时间年月日～年月日XX学院毕业设计说明书I摘要根据塑料制品的要求，了解塑件的用途，分析塑件的工艺性、尺寸精度等技术要求，选择塑件制件尺寸。本模具采用一模一件，侧浇口进料，注射机采用海天80XB型号，设置冷却系统，CAD绘制二维总装图和零件图，UG绘制3D模具图，选择模具合理的加工方法。附上说明书，系统地运用简要的文字，简明的示意图和和计算等分析塑件，从而作出合理的模具设计。关键词机械设计模具设计CAD绘制二维图注射机XX学院毕业设计说明书2TaketoAccordingtotheplasticproductsrequirements,understandtheuseofplasticparts,plasticpartsoftheprocessanalysis,dimensionalaccuracyandothertechnicalrequirements,selectionofplasticpartssize.Theuseofamoldofamoldona,asidegatefeed,injectionmachineusestheHaitian80XBmodels,coolingsystem,CADdrawing2Dassemblydrawingandpartsdrawing,drawingUG3Ddiedrawingdie,choosereasonableprocessingmethod.Enclosebrochures,thesystematicuseofabrieftext,conciseschematicdiagramandcalculationanalysisofplasticparts,soastomakereasonablemolddesign.KeywordsmechanicaldesignmolddesignCADmaABSingoftwodimensionalgraphinjectionmachineXX学院毕业设计说明书2目录摘要.............................................................I第1章绪论.........................................................41.1塑料简介....................................................................................................41.2注塑成型及注塑模......................................................................................4第2章塑料材料分析..................................................62．1塑料材料的基本特性......................................................................................62．2塑件材料成型性能..........................................................................................62．3塑件材料主要用途..........................................................................................6第3章塑件的工艺分析................................................83．1塑件的结构设计.............................................................................................83．2塑件尺寸及精度.............................................................................................93．3塑件表面粗糙度.............................................................................................93．4塑件的体积和质量........................................................................................10第4章注射成型工艺方案及模具结构的分析和确定...........................114．1、注射成型工艺过程分析5..............................................................................114．2浇口种类的确定..........................................................................................114．3型腔数目的确定...........................................................................................124．4注射机的选择和校核...................................................................................124.4.1注射量的校核......................................................................................134.4.2塑件在分型面上的投影面积与锁模力的校核.........................................134．4．3、模具与注射机安装模具部分相关尺寸校核.........................................13第5章注射模具结构设计.............................................155．1分型面的设计...............................................................................................155．2型腔的布局..................................................................................................155．3浇注系统的设计...........................................................................................165．3．1浇注系统组成...................................................................................165．3．2确定浇注系统的原则........................................................................165．3．3主流道的设计...................................................................................165．3．4分流道的设计...................................................................................185．3．5浇口的设计......................................................................................185．3．6冷料穴的设计...................................................................................185．4注射模成型零部件的设计7...........................................................................195．4．1成型零部件结构设计........................................................................195．4．2成型零部件工作尺寸的计算..............................................................205．5排气结构设计...............................................................................................215．6脱模机构的设计...........................................................................................215．6．1脱模机构的选用原则........................................................................215．6．2脱模机构类型的选择........................................................................21