模具毕业设计22侧抽芯计算器外壳注塑模具设计说明书

编号：毕业设计说明书题目：侧抽芯计算器外壳注塑模具设计学院：国防生学院专业：机械设计制造及其自动化学生姓名：学号：指导教师单位：机电工程学院姓名：职称：讲师题目类型：理论研究实验研究工程设计工程技术研究软件开发5月3日摘要现代工业生产中，模具已经成为国民经济的重要组成部分，模具生产已经触及电器、仪器仪表、建筑器材、汽车工业、日用五金等众多领域，是一项高效率、高质量、低成本、低能耗、低污染的高新技术产业，也是目前国家相当重视一门技术。本设计选择目前了比较热门畅销的电子产品—计算器，设计的模具将塑件确定为计算器外壳。本论文对侧抽芯计算器外壳注塑模具设计进行了详细的介绍和说明，通过对计算器外壳进行工艺分析，最终将完整的模具设计完成。模具采用一模一腔，浇口采用点浇口形式，并设置有冷却系统，最大化提高生产效率和塑件质量；说明书对注塑机的选择、模具成型结构、分型面选择等各项参数、数据进行详细的计算和校核，说明书中还详细介绍了模具的具体工作过程。本次侧抽芯计算机外壳注塑模具设计中，大多数零件使用标准件，成型零件使用了镶嵌块，降低了模具制造成本和生产周期，提高了市场竞争力；设计过程中参考各类资料，使用CAXAcad进行绘图，设计合理可靠。关键词：计算器外壳；模具设计；成本；效率AbstractModernindustrialproduction,moldhasbecomeanimportantpartofthenationaleconomy,moldproductionhastouchedmanyareasofelectrical,instrumentation,constructionequipment,automotive,hardware,etc.,isahigh-efficiency,high-quality,low-cost,low-energyconsumption,lowpollutionandhigh-techindustry,iscurrentlythecountryattachesgreatimportancetoatechnology.Thisdesignchoiceiscurrentlythemorepopularsellingelectronicproducts-calculators,designedtomoldplasticpartsforthecalculatortodeterminetheshell.Thispaperisaboutthepullingsideofthecalculatorshellinjectionmolddesignforadetaileddescriptionandexplanation,throughthecalculatorshellprocessanalysiswilleventuallycompletemolddesigniscompleted.Amoldusingamoldcavity,gateusingpointgateform,andprovidedwithacoolingsystem,maximizeproductivityandimprovethequalityofplasticparts;paperalsochoosetheinjectionmoldingmachine,moldingstructure,thepartinglineselectionparameters,datafordetailedcalculationandverification.ThePullingsideofthecomputercaseinjectionmolddesign,mostpartsusingstandardparts,moldedpartsusingmosaicblocks,reducingmoldmanufacturingcostsandproductioncycle,improvethemarketcompetitiveness;referencedesignprocessallkindsofdata,useCAXAcadfordrawing,reasonableandreliabledesign.Keywords:calculatorshell;molddesign;costs;efficiency目录引言...........................................................11绪论.........................................................21.1注塑模具设计发展的概况........................................21.2塑料模具的特点................................................31.3注塑模具设计的要求及程序.......................................42计算器外壳的设计及工艺分析..................................52.1计算器外壳的设计..............................................52.2材料的选择...................................................62.3计算器外壳的工艺性分析........................................62.3.1结构工艺性.................................................62.3.2塑件的批量生产..............................................63注塑机的选择及校核..........................................73.1初选注塑机...................................................73.1.1确定最大注塑量..............................................73.1.2确定模具温度及冷却方式.......................................73.1.3确定注塑成型的工艺参数.......................................73.2注射机的选择及校核............................................83.2.1型腔数校核.................................................83.2.2注塑压力校核...............................................84模具结构分析及设计.........................................104.1结构分析...................................................104.1.1型腔数目及排列.............................................104.1.2分型面的选择...............................................104.1.3排气系统设计..............................................104.2浇注系统的设计...............................................114.2.1主流道的设计..............................................114.2.2分流道的设计..............................................114.2.3浇口的选择和设计...........................................124.2.4分流道的截面尺寸...........................................124.3成型零件的设计..............................................134.3.1凹模、凸模形式的确定.......................................134.3.2成型零件的工作尺寸计算......................................134.4冷却系统的设计...............................................154.4.1冷却通道的位置及数量........................................154.4.2冷却系统冷却通道孔径的计算...................................164.5脱模方式的设计..............................................164.5.1脱模机构的设计.............................................164.5.2脱模力的计算及推杆的设计....................................174.5.3复位机构的设计.............................................174.6合模导向机构设计.............................................184.6.1合模导向机构的选择.........................................184.6.2导柱的设计................................................194.6.3导套的设计................................................194.7成型设备的校核...............................................194.7.1锁模力的校核...............................................194.7.2安装尺寸的校核.............................................204.7.3开模行程的校核.............................................205模具零部件的设计尺寸校核...................................215.1型腔侧壁厚度强度校核.........................................215.2型腔底部厚度强度校核.........................................215.3导柱尺寸的强度校核...........................................215.4推杆尺寸校核................................................226侧抽芯机构的设计...........................................236.1抽芯距的计算................................................236.2斜导柱尺寸计算...............................................236.3滑块与导滑槽的设计