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1、摘要本設(shè)計(jì)論文系統(tǒng)闡述了汽車輪帽塑料注射模設(shè)計(jì)過(guò)程,根據(jù)汽車輪帽塑件的形狀和生產(chǎn)要求,編制汽車輪帽塑件的設(shè)計(jì)過(guò)程,初步制定了總體模具的設(shè)計(jì)方案。本制品采用注射模成型設(shè)計(jì),采用單型腔布局,使用液壓側(cè)向抽芯和斜導(dǎo)柱側(cè)向抽芯機(jī)構(gòu),推桿頂出機(jī)構(gòu)。本論文首先對(duì)汽車輪帽塑件進(jìn)行了詳細(xì)的工藝性分析,然后進(jìn)行注射模結(jié)構(gòu)設(shè)計(jì),比如分型面的選擇,抽芯機(jī)構(gòu)的設(shè)計(jì)等,并進(jìn)行模具設(shè)計(jì)的相關(guān)的計(jì)算,完成型腔和型芯工作尺寸的計(jì)算等,接著對(duì)整個(gè)模具的進(jìn)行相關(guān)校核,最后完成整個(gè)汽車輪帽注射模設(shè)計(jì),并繪制出模具的總裝圖和非標(biāo)準(zhǔn)件的零件圖
2、。本設(shè)計(jì)方案結(jié)構(gòu)緊湊,滿足制品大批量生產(chǎn)、高精度、外形復(fù)雜的要求,設(shè)計(jì)參考了以往注射模具的設(shè)計(jì)經(jīng)驗(yàn),并結(jié)合制件性能,簡(jiǎn)化設(shè)計(jì)機(jī)構(gòu),并且運(yùn)用AutoCAD等軟件進(jìn)行繪圖,縮短了生產(chǎn)周期,并且獲得良好的經(jīng)濟(jì)性能。關(guān)鍵詞:汽車輪帽;注射模設(shè)計(jì);硬聚氯乙烯;側(cè)向抽芯AbstractThethesissystemicintroducethedesignprocessoftheplasticsinjectionmouldoffour-waypipe,baseontheshapeandtheproductionre
3、quirementoffour-waypipe,atthesametimethearticleestablishthedesignprocessoffour-waypipeproduce,andelementarysetdownthedesignschemeofthetotalinjectionmold.Thefour-waypipeproduceadoptsinglecavityofinjectionmoulddesign,usethemechanismofliquidpressurelateral
4、loosecoreandinclineleaderlateralloosecore,andthemechanismofhandspike.First,thethesisanalysethecraftofthefour-waypipeproduceparticular,thenfinishthestructuredesignoffour-waypipeinjectionmold,suchasthechoiceofthepartingsurface,thedesignoflateralloosecores
5、tructureetc..Second,thepaperfinishthecalculationerelatedwiththeinjectionmolddesign,forexamplethecalculationfortheworksizeofthecavityandcore.Third,thearticlecompletetheparametricrelatewiththewholeinjectionmoldingchecking.Finally,thethesiscompletethedesig
6、nofthewholefour-waypipeinjectionmold,anddrawthetotalassemblychartandtheaccessorychartofthenon-standardofthemold.Thisdesigniscompactnessforfulfillingvolume-produce,demandwithcomplicatedhighaccuracyandappearance,atthesametimereferencesancientlyexperienceo
7、finjectionmouldandcombinescharacteristicofproducetoprojectorganizationsimplifytheprojectorganization.Inordertoshortenproductioncycleandobtainfavorableefficiency,thetwo-dimensionandtriaxialitydrawingswerefinishedbyAutoCAD.Keywords:four-waypipe;injectionm
8、oulddesign;HPVC;lateralloosecore前言光陰似梭,大學(xué)三年的學(xué)習(xí)一晃而過(guò),為具體的檢驗(yàn)這三年來(lái)的學(xué)習(xí)效果,綜合檢測(cè)理論在實(shí)際應(yīng)用中的能力,除了平時(shí)的考試、實(shí)驗(yàn)測(cè)試外,更重要的是理論聯(lián)系實(shí)際,即此次設(shè)計(jì)的課題為汽車輪帽外殼模具設(shè)計(jì)這副模具應(yīng)用廣泛,但成型難度大,模具結(jié)構(gòu)較為復(fù)雜,對(duì)模具工作人員是一個(gè)很好的考驗(yàn)。它能加強(qiáng)對(duì)塑料模具成型原理的理解,同時(shí)鍛煉對(duì)塑料成型模具的設(shè)計(jì)和制造能力。本次設(shè)計(jì)以模具為主線,綜合了成型工藝分析,模具