注塑模具设计毕业论文

本科毕业设计(论文)题目：WPDB接线端子塑料注射模具设计院（系）机电学院专业机械制造及其自动化班级120205姓名刘海洋学号120205111导师张新运2016年6月IIWPDB接线端子塑料注射模具设计摘要塑料行业是20世纪发展最快的行业，也是21世纪最有前途的行业之一。塑料的发展直接导致了注塑模具的发展。塑料模具是用来生产塑料制品的工具。本课题主要是针对接线端子的模具设计，涵盖了浇注系统、模具成型部分的结构、顶出系统、冷却系统，注塑机的选择及有关参数等的详细设计，并进行了简单的加工工艺的编制。通过塑料模具的设计，能够全面的了解塑料模具设计的基本原则，熟练使用Solidworks、AutoCAD软件进行模具设计，为以后的工作奠定了基础。关键词：接线端子；塑料模具；浇注系统；浇口。IIIDesignofPlasticInjectionMoldforWPDBTerminalAbstractSummaryofplasticsisa20thcenturydevelopmentoftheindustry'sfastest-growingindustriesofthe21stcenturyoneofthemostpromisingindustries.Thedevelopmentleddirectlytothedevelopmentofinjectionmouldofplastic.Plasticmouldtoolisusedintheproductionofplasticproducts.Thistopicisthemainterminalofmolddesign,coveringthegatingsystem,formingpartofthestructure,ejectionsystems,coolingsystems,injectionmoldingmachineselectionandparametersofthedetaileddesignandpreparationofsimpleprocess.Plasticmolddesign,soastounderstandthebasicprinciplesofplasticmoulddesign,skilleduseofSolidworksfordiedesign,AutoCADsoftware,laidtheFoundationforfuturework.Keywords:Terminal;plasticmold;injectionsystem；gate.IV目录摘要...................................................IIAbstract..............................................III主要符号表............................................VII1.绪论..................................................81.1前言........................................................81.2模具发展现状及国内外发展方向................................81.3本课题的内容和基本要求......................................91.3.1本课题的内容..........................................91.3.2基本要求..............................................92.零件材料分析.........................................112.1零件的材料及材料的特性.....................................112.1.1ABS塑料的特点.......................................112.1.2ABS的技术指标.......................................112.1.3ABS注射成形工艺参数.................................113.方案的论证...........................................133.1.1注射成型的原理.......................................133.1.2热塑性注射成型工艺过程...............................133.2注射模具的基本组成.........................................143.2.1基本组成.............................................143.3方案的论证和初步确定.......................................144.注射成型机的选择.....................................164.1估算零件体积及质量.........................................164.1.1估算零件体积.........................................164.2选择注射机及注射机的主要参数...............................164.2.1选择注射机...........................................164.3注塑机的校核...............................................174.3.1注射基本压力校核.....................................174.3.2锁模力的校核.........................................174.3.3安装部分相关尺寸的校核...............................174.3.4模具厚度校核.........................................174.3.5开模行程的校核.......................................185.浇注系统的设计.......................................195.1浇注系统的作用.............................................195.2浇注系统设计的设计原则.....................................195.3浇注系统的组成.............................................195.4主流道设计.................................................19V5.5冷料井设计.................................................205.6分流道设计.................................................205.6.1分流道的布置形式.....................................205.6.2分流道长度...........................................205.6.3分流道截面形状.......................................215.6.4分流道的截面尺寸.....................................215.4浇口设计...................................................216.成型零件设计.........................................226.1分型面的设计...............................................226.1.1分型面的分类及选择原则...............................226.1.2分型面的确定.........................................22图6.1塑件图...............................................226.3成型零件结构设计...........................................236.3.1成型零件具备的性能...................................236.3.2凹模结构设计.........................................246.3.3凸模的结构设计.......................................246.3.4影响塑件尺寸和精度的因素.............................247.导向机构设计.........................................257.1导向机构的作用和设计原则...................................257.1.1导向机构的作用.......................................257.1.2导向机构的设计原则...................................257.2导柱、导套设计.............................................257.2.1导柱的设计...........................................25图7.1导柱.................................................267.2.2导套设计.............................................268.脱模机构的设计.......................................278.1脱模机构的设计原则.........................................278.2顶出机构的确定.............................................278.3脱模力的计算...............................................278.4简单脱模机构...............................................288.4.1顶杆脱模机构的设计要点...............................288.4.2顶杆的形状...........................................298.5复位装置...................................................299.抽芯机构设计.........................................319.1抽芯机构的概述.............................................319.2抽芯机构的设计.............................................319.3滑块+斜导柱的侧向抽芯机构..............