AbstractThisdesignneedingthethicknessofplasticuniform,thesurfaceshouldbesmooth.Consideringthesizeofproductislarge,sothedesignusesone-modeandone-cavityforminthiscase.Thedesignalsousehalf-structuretoformingthehandleofproductafteranalyzingthestructureoftheproduct.Inordertoensuringthesurfacesmooth,theedgewithoutdistortion,weusepneumaticejectionstructure.Thisstructurealsosimplifiesthemoldstructure,economicalandpractical.Meanwhile,wemeasuredtheconnectionbetweenproductqualityandthecost.Makingthemoldofsimplestructure、lowprocessingcostsofproduction、easyprocessingandusabilityasmuchaspossible.KeywordsMug;InjectionMould;Half-structure;Pneumaticejectionstructure目录摘要、关键词........................................................IAbstract、Keywords.......................................................II目录.......................................................................III1.引言.......................................................................12.塑料工艺分析与模具方案确定..............................................22.1制件的分析..............................................................22.2模具方案的初步确定....................................................32.3总装图...................................................................33.塑料的成型特性及工艺参数...............................................44.注塑设备的选择..........................................................44.1计算塑件的体积和重量..................................................44.2选择设备型号、规格、确定型腔数.......................................45.浇注系统.................................................................55.1确定成型位置...........................................................55.2分型面的选择...........................................................55.3浇口套的选用...........................................................65.4流程比的校核...........................................................76.脱模机构的设计..........................................................86.1顶出机构................................................................86.2脱模力的计算...........................................................87.侧向抽芯机构的设计......................................................97.1抽拔距与抽拔力的计算.................................................107.1.1抽芯距...............................................................107.1.2抽芯力的计算.........................................................107.2抽芯机构的设计........................................................117.2.1滑块与滑块槽的设计..................................................117.2.2定位装置的设计......................................................127.2.3斜导柱的设计与计算..................................................128.温度调节机构的选择.....................................................138.1模具温度调节对塑件质量的影响.........................................138.2冷却系统的设计原则....................................................138.3冷却装置的布置如下....................................................149．塑件的Moldflow分析....................................................159.1有限元法介绍..........................................................159.2有柄盖模型前处理......................................................159.3初始方案分析结果输出......................
