学位论文-—斜齿轮注塑模具设计.doc

35斜齿轮注塑模具设计摘要：塑料斜齿轮运行平稳且可在无润滑条件下运行，噪声低、抗腐蚀成本低。与金属斜齿轮相比较,具有惯性小、动载荷轻、接触均匀、啮合冲击小和传动平稳等特点,它不仅用于小扭矩精密机械的传动中,还广泛用于电子和日用家电中。因此,在一些重要的传动场合,常常被采纳。而注射模具又称注射成型，是热塑性制件的一种主要成形方式，是指通过注射机的螺杆或柱塞的作用，将熔融塑料射入闭合的模具型腔，经过保压、冷却、硬化定型后，即可得到由模具成形出的塑件。注射成形所使用的模具即为注射模（也称注塑模）。本课题为斜齿轮注射模具设计，即在生产实践中，根据给定的斜齿轮零件图和加工批量及精度要求，完成该制品的注射成型工艺分析及注射模具设计。本文首先介绍了斜齿轮以及有关模具的一些概况，分别对其发展、国内外研究现状和应用趋势进行说明。接着进行塑料注射模设计分析，包括尺寸的确定和参数校核等。最后概述了整个设计过程中需要注意的几个方面，从而全面阐述了该课题的研究要求。关键词：塑料斜齿轮注塑模（注射模具）成形（成型）TheInclinedWheelGearInjectsaMoldingToolDesignAbstract:Theplasticsinclinedwheelgearcirculatesteadyandcancirculateunderthesistuationthathavenolubrication,theZaovoiceislow,theanti-decaycostlow.Comparedwiththemetalsinclinedwheelgearhaveinertialandsmall,movetocarryalotuslight,contacteven,theNiematchpoundatsmallwithspreadtomoveasteadyetc.characteristics,itnotonlyusedforsmalltwistJunicetymachineofspreadtomovemedium,alsoextensivelyusedforelectronicsanddaytouseanappliancein.Therefore,atsomeimportantlyspreadtomovesituation,isusuallyadopt.Butinjectamoldingtoolandcalltoinjecttomodel,isahotSusystem,1kindofthepiecemainlytakesshapeawayandmeanpassthefunctionthatLuopoleorpillarofinjectthemachinefill,shootthemeltdownplasticsintoshuttomatchofmoldingtooltypechamber,passbytoprotecttopress,cooloff,hardenalreadysetafter,canimmediatelygetistakeshapetheSupieceofbythemoldingtool.Injecttotakeshapeuseofthemoldingtoolistoinjectamold.(alsocalltonoteaSumold)Thistopicinjectsamoldingtooldesignfortheinclinedwheelgear,intheproductionthefulfillment,accordingtogivesettleofinclinedwheelgearsparepartsdiagramwithprocessbatchquantityandaccuracytorequest,completeshouldproductofinjectandmodelcraftanalysisandinjectamoldingtooldesign.Thistextintroducedinclinedwheelgearandsomegeneralsituationsconcerningmoldingtoolfirst,differenceastoit'sdevelop,domesticandinternationalresearchpresentconditionandapplicationthetrendcarryonelucidation.Immediatelyaftercarryontheplasticsinclinedwheelgearandplasticstoinjectamoldtocarryondesignanalysis,includesizetoreallysettlewiththeparameter