摘要本论文的题目为音响外壳注塑模设计,按照给定的塑料零件的结构特色、精度水平和材料对塑料零件进行分析,了解音响外壳的基本用途,进行工艺性分析,音响外壳的材质为PC,音响外壳的外形以中心面对称,两侧均有筋板,根据塑件的尺寸大小选择了一模二腔的排列方式,侧浇口进行浇注,对浇注量进行计算,注塑模型使用海天HTF80XB设计的冷却系统,和脱模手段进行了比较和选取,对模具结构进行检查,并对完整的模型进行模流分析,采用NXUG6.0软件用于完成模具的整体设计和完成零件图的绘制,并完成设计规范的编写。关键词:机械设计;模型设计;CAD绘制二维图;注射机ABStractThetopicofthisthesisisthedesignofinjectionmoldingmoldforacousticshell.Accordingtothestructuralcharacteristics,accuracylevelandmaterialsofagivenplasticpart,theplasticpartisanalyzed,thebasicpurposeoftheacousticshellisunderstood,andtheprocessanalysisiscarriedout.ThematerialoftheacousticshellisPC.Theshapeoftheacousticshellissymmetricalinthecenter,withribsonbothsides.Accordingtothesizeoftheplasticpart,amodeofarrangementwithtwocavitiesisselected.Thesidegateispoured,thepouringamountiscalculated,andtheinjectionmodelisused.ThecoolingsystemdesignedbyHaitianHTF80XB,Comparedandselectedwiththedemouldingmethod,thediestructurewaschecked,andthecompletemodelwasmodeled.TheNXUG6.0softwarewasusedtocompletetheoveralldesignofthemoldandcompletethedrawingofthepartdiagram,andthedesignspecificationwascompleted.Keywords:mechanicaldesign;diedesign;CADdrawingtwo-dimensionalmap;injectionmachine目录摘要..........................................................................................................................I第1章绪论................................................................................................................1第2章塑料材料分析................................................................................................42.1塑料材料的基本特性..................................................................................................42.2塑件材料成型性能......................................................................................................4第3章塑件的工艺分析............................................................................................63.1塑件的结构设计..........................................................................................................63.2塑件尺寸及精度..........................................................................................................73.3塑件表面粗糙度..........................................................................................................73.4塑件的体积和质量......................................................................................................7第4章注射成型工艺及模具结构确定....................................................................84.1、注射成型工艺过程分析[5]...........................................................................................84.2浇口种类的确定........................................................................................................84.3型腔数目的确定..........................................................................................................94.4注射机的选择和校核................................................................................................94.4.1注射量的校核.................................................................................................