饮水机出水口手把的塑料

I本科毕业设计(论文)题目：饮水机出水口手把的塑料注射模具设计系别：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II饮水机出水口手把的塑料注射模具设计摘要本文基于CAD技术对饮水机出水口手把注塑模具进行了设计。通过对塑件的结构分析，确定了可行的总体设计方案。运用Pro.E软件对塑件进行建模，使用并且对模具进行了分析，优化了浇口位置。根据塑件结构，采用侧浇口的双分型面结构，模具采用一模两腔，且模具采用斜导柱抽芯机构以及推件板推出机构。同时，详细地叙述了模具成型零件包括型芯、型腔的尺寸计算过程以及各重要机构的设计过程。设计方案在保证塑件质量与模具结构合理的前提下尽量做到模具的结构简单、成本低、易加工、使用性好。最后则是模具的装配环节，包括制定装配步骤、明确注意事项等。通过本设计，可以对注塑模具有一个初步的认识，注意到设计中的某些细节问题，了解模具结构及工作原理；通过对AutoCAD的学习，可以建立较简单零件的零件库，从而有效的提高工作效率。关键词:开关把手；注塑模；CAD；双分型面IIWatercooleroutlethandleplasticinjectionmolddesignAbstractThisarticleisbasedonCADtechnologyforwaterdispenseroutlethandleinjectionmolddesign.Byanalyzingthestructureofplasticparts,thefeasibleoveralldesignschemeisdetermined..UsingtheProEsoftwareformodeling,plasticpartsandthedieareanalyzed,andoptimizethegatelocation.Accordingtoplasticpartsstructure,usethesidegatedoublepartingsurfacedesignofmouldwithonemoduleandtwocavities,andthemouldadoptstheinclinedguidepillarcore-pullingmechanismandpushplatetolaunch.Atthesametime,themoldingpartsaredescribedindetailincludingthesizeofthecoreandcavitycalculationprocessandthedesignprocessoftheimportantinstitutions.Designschemeinguaranteethequalityofplasticpartsandmouldstructureisreasonableunderthepremiseoftrytodothemouldstructureissimple,lowcost,easyprocessingandgoodusability.Keywords:Waterdispenserswitchhandle;Injectionmold;CAD;DoublepartingsurfaceIII目录1绪论..............................................................................错误!未定义书签。2产品工艺性分析..........................................................错误!未定义书签。2.1产品材料分析......................................................................错误!未定义书签。2.2塑件结构和尺寸精度分析..................................................错误!未定义书签。2.2.1其塑件的产品结构图如下：....................................错误!未定义书签。2.2.2产品形状分析............................................................错误!未定义书签。3模具结构设计.............................................................................................53.1总体方案拟订.......................................................................................................53.1.1型腔数目的确定.........................................................................................73.1.2分型面的设计...........................................................................................73.2注射机的选择........................................................................................................83.3型腔数目的校核....................................................................................................93.4浇注系统设计........................................................................................................93.4.1主流道的设计...........................................................................................103.4.2分流道的设置..........................................................................................113.4.3浇口设计..................................................................................................113.4.4冷料穴设计.............................................................................................123.5成型零件的结构设计..........................................................................................133.5.1定模板的结构形式....................................................................................133.5.2动模板的结构形式...................................................................................143.5.3型芯的结构形式如下：...........................................................................143.6模具温度调节系统...........................................................................................173.6.1温度调节对塑件质量的影响.................................................................173.6.2温度调节对生产力的影响.....................................................................183.6.3模具加热和冷却系统的计算.................................................................183.7顶出系统的设计...............................................................................................213.7.1浇口凝料的顶出.....................................................................................213.7.2塑料件的顶出.........................................................................................223.8导向机构的设计..................................................................................................233.8.1.导向机构的功用........................................................................................233.8.2、导向机构的设计.....................................................................................233.8.3承受一定的侧向压力.............................................................................24IV3.9排气系统的设计..................................................................................................253.10斜导柱设计.......................................................................................................253.10.1斜导柱的形状及技术要求.....................................................................253.10.2斜导柱的倾斜角.....................................................................................263.10.3斜导柱的长度..........................................................................................26.3.11滑块设计.