塑料乐扣饭盒盒盖注塑模具设计专业：机械设计与制造学号：学生：石凌风指导老师：唐毅摘要：此次设计主要是以塑料饭盒盒盖为研究对象，介绍塑料饭盒盒盖的设计思路和加工过程，并对塑件的结构、材料进行全面分析，合理的进行模具的工艺性设计。通过对塑件进行工艺的分析和比较,最终设计出一副注塑模。模具结构将紧凑，工作可靠，操作方便，塑料质量高，生产效率高。本文将详细介绍注塑成型工艺过程、型腔布置、分型面选择、浇注系统、顶出机构、脱模机构、冷却系统、注塑机的选择及有关参数的校核以及主要零部件的设计过程。关键词：注塑模；饭盒；成型工艺PlasticlebucklelunchboxlidinjectionmolddesignSpecialty:MachineryDesignandManufactureStudentNumber:200920113111Student:LiuZhenSupervisor:FengWeiAbstract:Thisdesignismainlybyplasticlunchboxlidastheresearchobject,thispaperintroducesthedesignideaofplasticlunchboxlidandmachiningprocessandtoplasticpartsofthestructure,materialforcomprehensiveanalysis,thereasonableforthetechnologyofmoulddesign.Throughtotheplasticpartsforprocessanalysisandcomparison,thefinaldesignoutapairofinjectionmold.Themouldstructurecompactwill,reliable,easytooperate,theplastichighquality,andhighproductionefficiency.Thispaperwillintroducedetailedinjectionmoldingprocessprocess,partingsurfacecavitylayout,selection,pouringsystem,ejectorinstitutions,demouldingmechanism,coolingsystem,theinjectionmoldingmachineandtheselectionoftherelatedparametersofmaincomponentsofcheckinganddesignprocess.Keywords:injectionmold;Lunchbox;Moldingprocess目录1绪论..........................................................................................................................................11.1国内外模具的发展状况及发展趋势............................................................................11.2国内外饭盒材料的发展现状及发展趋势....................................................................21.3选题目的与意义............................................................................................................31.4主要研究内容................................................................................................................31.5设计思路路线................................................................................................................32塑料塑件的工艺性分析及注射机初选..................................................................................42.1塑件的原材料及其性能分析........................................................................................42.2塑件成型工艺分析........................................................................................................42.2.1塑件结构分析......................................................................................................42.2.2塑件尺寸精度分析..............................................................................................52.2.3塑件表面质量分析..............................................................................................62.2.4塑件材料属性和体积与质量..............................................................................62.3塑件成型工艺参数确定................................................................................................72.4初选注塑机的型号和规格............................................................................................83注塑模的结构设计··············································...
