雙色收音機(jī)外殼塑件模設(shè)計(jì)畢業(yè)論文.doc

摘要雙色收音機(jī)外殼塑件的結(jié)構(gòu)特點(diǎn)介紹了雙色塑料注射成型工藝，以雙色收音機(jī)外殼塑件為例分析了雙色注射模的技術(shù)要求、結(jié)構(gòu)特點(diǎn)、工作過程及設(shè)計(jì)要點(diǎn)，重點(diǎn)介紹了澆注系統(tǒng)的設(shè)計(jì)。本設(shè)計(jì)遵循“高效、優(yōu)質(zhì)、低成本”的理念，力圖把該產(chǎn)品推進(jìn)到千家萬(wàn)戶。設(shè)計(jì)過程中按照國(guó)家在機(jī)械設(shè)計(jì)方面有關(guān)標(biāo)準(zhǔn)，在零件制造、產(chǎn)品裝配、標(biāo)準(zhǔn)件選擇等均嚴(yán)格按照標(biāo)準(zhǔn)執(zhí)行。本設(shè)計(jì)所涉及的技術(shù)資料有：機(jī)械設(shè)計(jì)；塑料成型工藝；有色金屬材料成型工藝等等。本文主要是對(duì)雙色塑料收音機(jī)外殼注塑模的設(shè)計(jì)進(jìn)行描述。首先，本文將概述雙色收音機(jī)外殼塑件設(shè)計(jì)的結(jié)構(gòu)特點(diǎn)，材料的選用，塑料的性能,并且闡述選擇這種原料的原因。其次，本文將講述雙色塑料收音機(jī)外殼的模具結(jié)構(gòu)設(shè)計(jì)。再次，本文將講述雙色塑料收音機(jī)外殼的模具設(shè)計(jì)計(jì)算。最后，本文將簡(jiǎn)單講述模具的試模與修模.關(guān)鍵詞：收音機(jī)外殼，注射模，雙色AbstractTheinjectionfornmingtechnologyforbi-colourplasticsisintroduced.Withthebi-colourplastickeyasanexample,thetechnicalrequirement,structurechatacteristicsworkingprocessandmaindesignisputonthedesignpointoftheinjectionmouldforbi-colourplastricareamalyzde.Theemplhasisisputonthedesignofthefeedingsystem.Thestructurecharacteristicsoftheinjectionmouldforbi-colourchainistheborderuponchainisconnectedwitheachother.Thisdesigntrieshardtodesignoneproductofsimplystructure,strongserviceability,andeasytooperate.Intheprocess,accordingtothenationalityinmachinedesignstandard,wewerestrictlyexecutingthestandardinpartdesign,assemblyandsoon.Followingtheconceptofhighefficiency,excellentquality,lowcost，andtrytosendthechainintothousandsoffamilies.Aslothedataisrelatedtothisdesign:mechanismdesign、ploymermoldingtechnics、colouredmetalmaterialsmoldingtechnicsandsoon.Inthistext,IwillmainlydescribetheDesignoftheinjectionmouldforplasticproductsoftheinfinitelylongchain.Atfirst,Iwillintroducethestructurecharacteristic,thematerialtochooseandthecapabilityofthematerialofthem,explainingthereasontochoosethematerial.Thesecond,Iwilldescribethestructuredesignoftheinjectionmouldforinfinitelylongplasticchain.Atlast,Iwillintroducethecalculationdesignoftheinjectionmouldforinfinitelylongplasticchain.AtthesuABSlement,Iwillintroduceinanutshelltheprobationandfixingofthemould.Keywords:DualradioshellplasticpartsInjectionmould,DoubleColor目錄1.緒論.12.雙色注射成型工藝簡(jiǎn)介藝分析.22.1傳統(tǒng)射出成型與雙料共射出成型之比較.22.2成型過程.22.3模具結(jié)構(gòu)特點(diǎn)及要求.23.塑件的工藝分析.43.1.塑件的使用性能.43.2.塑件的尺寸精度.43.3.塑件表面質(zhì)量.43.4.塑件的塑件的結(jié)構(gòu)及成型工藝性分析.43.4.1結(jié)構(gòu)分析.43.4.2成型工藝分析.43.5.產(chǎn)品模流分析.63.5.1Moldflow有限元分析簡(jiǎn)介.63.5.2產(chǎn)品模型簡(jiǎn)介.63.5.3原始方案澆注系統(tǒng)設(shè)計(jì).73.5.4充填時(shí)間.83.5.5縫合線位置和包風(fēng)分布.93.5.6注射壓力與鎖模力變化曲線.93.5.7分析結(jié)果及建議.103.6.原材料的工藝性.103.6.1注射成型過程.103.6.2ABS的性能分析.103.6.3丙ABS與TPE的共混性.133.6.4ABS成型塑件的主要缺陷及消除措施.174成型設(shè)備的選擇及校核.194.1注塑機(jī)的初選.194.1.1計(jì)算塑件的體積.194.1.2計(jì)算塑件的質(zhì)量.194.2注射量校核.214.3鎖模力的校核.214.4最大注射壓力校核.214.5安裝尺寸的校核.224.6開模行程和推出機(jī)構(gòu)的校核.224.7模架尺寸與注射機(jī)拉桿內(nèi)間距校核.235.分型面的確定.246.澆注系統(tǒng)的確定.256.1主流道尺寸設(shè)計(jì).256.2分流道設(shè)計(jì).266.3冷料穴的設(shè)計(jì).276.4澆口的設(shè)計(jì).287.排氣結(jié)構(gòu)設(shè)計(jì).308.溫度調(diào)節(jié)系統(tǒng)設(shè)計(jì).318.1加熱系統(tǒng).318.2冷卻系統(tǒng).319.模架的確定和標(biāo)準(zhǔn)件的選用.3410.合模導(dǎo)向機(jī)構(gòu)的設(shè)計(jì).3510.1導(dǎo)向機(jī)構(gòu)的總