對(duì)講機(jī)后蓋的注塑模具設(shè)計(jì)說(shuō)明書(shū).doc

I摘要針對(duì)對(duì)講機(jī)后蓋進(jìn)行了注塑模具設(shè)計(jì)。通過(guò)對(duì)塑件進(jìn)行工藝的分析和比較,最終設(shè)計(jì)出一副注塑模。該課題從產(chǎn)品結(jié)構(gòu)工藝性，具體模具結(jié)構(gòu)出發(fā)，對(duì)注塑機(jī)的選擇及有關(guān)參數(shù)的校核、模具的分型面、澆注系統(tǒng)、模具成型部分的結(jié)構(gòu)、推出系統(tǒng)、冷卻系統(tǒng)進(jìn)行了設(shè)計(jì)。同時(shí)運(yùn)用三維pro/E制圖軟件繪制該模具，與平面圖相比更具立體感。關(guān)鍵詞：注塑模具；澆注系統(tǒng)；冷卻系統(tǒng)；校核IIAbstractThistopicismainlyforradioshellmolddesign,plasticpartsthroughtheprocessofanalysisandcomparisontothefinaldesignaninjectionmold.Processfromtheproductstructureonthesubjectof,specificmoldstructuretothesub-surfaceofthemold,pouringsystem,themoldformingpartofthestructure,launchsystems,coolingsystems,injectionmoldingmachineofchoiceandtheparametersofthecalibration,aredetaileddesign.Atthesametimedrawingzhemoldsusetothree-dimensionalmappingprogramofpro/E,thiscomputergraphicssystemhastheimpastocomparedtotheplainviewdrawing.Keywords：injectionmold；systemofgating；systemofcooling；checking.III目錄摘要.IAbstract.II第1章緒論.11.1模具工業(yè)的應(yīng)用概況.11.2我國(guó)塑料模具工業(yè)的發(fā)展概況.2第2章方案選擇.42.1注射模的組成與分類(lèi).42.1.1注射模的組成.42.1.2注射模的分類(lèi).52.2塑件成型工藝分析.52.2.1注射模的設(shè)計(jì)方法與研究現(xiàn)狀.52.2.2塑件分析.62.2.3制品材料的成形特性與工藝分析.82.3注射成型機(jī)的選擇.102.3.1注射量的計(jì)算.102.3.2澆注系統(tǒng)凝料體積的初步估算.102.3.3注射機(jī)的選擇.102.4分型面設(shè)計(jì).112.4.1分型面作用、形式和設(shè)計(jì)原則.112.4.2分型面的確定.122.5型腔設(shè)計(jì).142.5.1型腔數(shù)目的確定.142.5.2型腔排列形式的確定.152.5.3型腔壁厚尺寸的確定.152.6模具結(jié)構(gòu)形式的設(shè)計(jì).152.7模具材料的選用.18第3章部件的設(shè)計(jì)計(jì)算.193.1澆注系統(tǒng)設(shè)計(jì).193.1.1澆注系統(tǒng)的設(shè)計(jì)原則.19IV3.1.2主流道的設(shè)計(jì).193.1.3分流道的設(shè)計(jì).213.1.4澆口設(shè)計(jì).233.1.5冷料穴與拉料桿設(shè)計(jì).243.2成型零件工作尺寸的計(jì)算.253.2.1定模板及其支撐板.253.2.2動(dòng)模板及其支撐板.263.2.3墊塊.273.2.4導(dǎo)向機(jī)構(gòu).283.2.5側(cè)向抽芯機(jī)構(gòu)：.283.3推出機(jī)構(gòu)的設(shè)計(jì).293.3.1推出機(jī)構(gòu)的設(shè)計(jì)原則.293.3.2推出機(jī)構(gòu)的分類(lèi).303.3.3推出力的計(jì)算.303.3.4推出零件尺寸的確定.313.3.5推桿位置的確定.323.4冷卻回路設(shè)計(jì).333.4.1冷卻系統(tǒng)的設(shè)計(jì)原則.333.4.2冷卻水路的形式.333.4.3冷卻計(jì)算（水道的直徑wd與總長(zhǎng)度l）.34第4章校核.374.1注射量的校核.374.2鎖模力校核.374.3最大注射壓力的校核.384.4最小模厚的校核：.384.5推出零件的強(qiáng)度和剛度校核.384.6冷卻水流動(dòng)狀態(tài)Re的校核.39結(jié)論.40致謝.41參考文獻(xiàn).42VCONTENTSAbstract.IIChapter1Introduction.11.1Plasticmould.11.2Injectionmoulddevelopmentsituationathomeandabroad.2Chapter2Selectionofscheme.42.1Injectsmouldcompositionandtheclassification.42.1.1TheformofInjectionmould.42.1.2ThesortofInjectionmould.52.2Theanalysisofplasticmoldingprocess.52.2.1Injectsmoulddesignmethodandthesituation.52.2.2Theanalysisofplastic.62.2.3Productmaterialformedcharacteristicandprocess.82.3Injectionmaxhine.102.3.1Calculationofinjectionquantity.102.3.2Thevolumeestimateofmaterialgatingsystem.102.3.3Theinjection.102.4Theselectionpartingsurface.112.4.1Thedesignprinciplesofselectionparting.112.4.2Theselectionpartingsurface.122.5Designofthecavity.142.5.1Thenumberofcavity.142.5.2Thearrangementofcavity.152.5.3Thearrangementofcavity.152.6Theformofmouldstructure.152.7Mouldmaterialschosen.18Chapter3Partsofthedesignandcalculation.1