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手压自充式LED手电筒驱动扇形齿轮塑料件注射模设计论文.doc

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手压自充式LED手电筒驱动扇形齿轮塑料件注射模设计论文.doc

毕业设计(论文)目录摘要...................................................................................................................................................................IAbstract...................................................................................................................................................................II第1章概述..........................................................................................................................................................11.1毕业设计的目的...................................................................................................11.2塑件设计的要求...................................................................................................11.3对模具行业的分析...............................................................................................21.3.1模具工业的概况.......................................................................................21.3.2我国塑料模具工业和技术现状及地区分布...............................................3第2章塑件及其工艺分析...............................................................................................................................62.1塑件产品图及其材料............................................................................................62.1.1手压自充式LED手电筒扇形齿轮的工作原理.............................................62.1.2驱动扇形齿轮塑料件................................................................................72.1.3手压自充式LED手电筒扇形齿轮材料的选择.............................................72.2塑件成型工艺分析...............................................................................................82.3脱模斜度及收缩率的确定....................................................................................11第3章注射成型模具的设计.........................................................................................................................143.1注塑模结构设计..............................................................................................143.1.1注塑模成型腔数设计..............................................................................143.1.2分型面的选择.......................................................................................163.1.3模架的选用............................................................................................173.2凹模结构设计....................................................................................................193.2.1成形收缩及尺寸计算..............................................................................193.2.2凹模强度校核.........................................................................................203.2.3凹模加工工艺分析..................................................................................223.2.4凹模加工工艺卡.....................................................................................223.3凸模结构设计....................................................................................................243.3.1成形收缩及尺寸计算..............................................................................243.3.2凸模强度校核.........................................................................................253.3.3凸模加工工艺分析...........................................................................................263.3.4凸模加工工艺卡.....................................................................................273.4浇注系统的设计.................................................................................................293.4.1浇口的设计............................................................................................293.4.2流道的设计............................................................................................303.5脱模机构设计....................................................................................................343.5.1拉料杆设计............................................................................................343.5.2顶杆设计................................................................................................353.5.3复位杆设计............................................................................................363.6排溢系统设计....................................................................................................373.7冷却系统设计....................................................................................................373.7.1冷却系统设计原则..................................................................................383.7.2冷却系统的结构形式..............................................................................383.8导向系统的设计.................................................................................................39毕业设计(论文)23.8.1导向系统设计原则..................................................................................393.9侧抽芯系统的设计.............................................................................................403.9.1侧抽芯的动作原理及设计要点................................................................403.10辅助系统的设计...............................................................................................463.10.1垃圾钉..................................................................................................473.10.2支撑柱..................................................................................................4710.3限位块.....................................................................................................483.10.4回位弹簧..............................................................................................48第4章注塑机的选用......................................................................................................................................494.1初选注塑机........................................................................................................494.2注射压力的校核................................................................................................494.3塑件在分型面上的校核投影面积与锁模力校核...................................................504.4开模行程的校核................................................................................................504.5模具厚度的校核................................................................................................51第5章试模...........................................................................................................................................................525.1注塑工艺确定....................................................................................................525.1.1成型前的准备.........................................................................................525.1.2注射过程................................................................................................525.2加热参数确定....................................................................................................535.3冷却参数确定....................................................................................................53第6章结论........................................................................................................................................................55参考文献..................................................................................................................................................................56致谢......................................................................................................................................................................57毕业设计(论文)3摘要本说明书是开关面板注射模设计的详细设计过程,包括分析,说明,与计算过程。说明书由七章组成,主要阐述了此模具设计的全过程。对模具的浇注系统、模具的成型部分的结构、顶出系统、冷却系统、注射机的选择及有关参数的校核,都有详细的设计说明。本次设计是在阅读大量技术文献的基础上,详细介绍了模具设计的各个步骤,并绘制了全部零件图和装配图。同时,由于开关面板在工业产品设计中是一类比较常见的产品的设计,涉及到多方面因素。如何设计出有特点、符合大规模生产要求,同时又充分满足使用要求,是开关面板在设计中必须考虑的问题。开关面板在好用实用的前提下,其外观造型这方面,要求要有创意。因此,本次设计是对毕业生在大专三年中所学知识的一次全面的素质与能力的综合检验。值此之际,向对本次设计提出宝贵意见的指导老师和同学们致以衷心的感谢由于水平有限,如有错误之处,望各位老师指正。关键词工艺分析面板注射模分型面毕业设计(论文)4AbstractThismanualisswitchblockthecoverinjectamolddesignofdetaileddesignprocess,includeanalysis,elucidation,withcalculationprocess.Themanualconstitutesto°from7andmainlyelaboratedthewholeprocessesesofthismoldingtooldesign.Sprinklemoldingtooltonotemodelofsystem,moldingtoolpartofthesystem,coolingsystemofthestructure,crest,injectmachineofchoicesandpitintheschoolsconcerningparameter,allhavedetaileddesignelucidation.Thisdesignisreadthefoundationofagreatdealoftechniqueculturalheritageup,introducedeachstepofmoldingtooldesignindetail,anddrewallsparepartsdiagramsandassemblediagram.Itisthedesignofatypeofmorefamiliarproductintheindustrialproductthedesignbecauseofswitchblockcoverinthemeantime,andwellsatisfyanusagetorequestinthemeantime,istheswitchblockhastoconsiderinthedesignofproblem.Theswitchblockisunderthefriendlypracticalpremise,thisdesignistothegraduatestudentisintheuniversitythreeyearstheknowledgelearnofthecomprehensiveexaminationofanoverallcharacterandability.Onthisoccasion,tothisdesignproposedthevaluedsuggestioninstructsteacherandschoolmatesextendstheheartfeltgratitudeBecausethelevelislimited,ifhasplaceofthemistake,looksfellowteacherstopointoutmistakes.Keywordstechnologyanalysisswitchblockinjectionmoldingdividestheprofil

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