TCL2165彩电调谐器盖板模具设计

南京工程学院毕业设计说明书(论文)作者：段晨学号：088810202010学院：江苏财经职业技术学院专业：数控加工与模具设计题目：TCL2165彩电调谐器盖板模具设计指导者：评阅者：2012年4月淮安南京工程学院毕业设计说明书（论文）第I页摘要电视机调谐器盖板塑件属于中小型注射塑件，电视机在日常生活中越来越广泛，市场上的电视机调谐器种类繁多，本文针对TCL2165型号电视机的调谐器盖板进行模具设计。调谐器盖板是电视机上的一个装饰配件，需要其外观好看。所以，这就对塑件产品的外观性能有着很大的要求。对于本课题的塑件的模具设计，重点在于如何提高成型质量，如何保证其外观要求。针对其成型特点设计了塑件结构及其注塑成型模具。首先分析了该塑件成型工艺特点，然后应用UG创建了塑件的几何模型，以及运用Moldflow软件对塑件的最佳浇口进行了模拟。根据塑件结构特点及成型要求，选择了分型面、设计了浇注系统及确定了型腔数。关键词：注射塑件配件TCL2165电视机调谐器盖板模具设计南京工程学院毕业设计说明书（论文）第II页Title:TCL2165modeloftheTVtunercoverplatetothemolddesignAbstractTVtunercoverplasticpartstobelongtosmallandmedium-sizedplasticparts,TVsetsindailylifemoreandmorewidely,inthemarketTVtunersortisvarious,thispaperTCL2165modeloftheTVtunercoverplatetothemolddesign.TunercoverbelongstotheTVadecorativeaccessories,needtohavetheappearancegood-looking.So,thistotheplasticproductappearanceperformancehasalargerequirements.Forthistopicplasticpartsofthediedesign,thekeyishowtoenhancetheshapingquality,howtoguaranteetheirappearancerequirements.Inviewofitsmoldingdesignfeaturestheplasticpartsofthestructureandtheinjectionmoulds.Firstlyanalyzestheplasticpartsformingprocesscharacteristics,andthenusingUGcreatedplasticpartsofgeometricmodel,andtheuseofplasticpartsMoldflowsoftwarethebestrunnerwassimulated.Accordingtotheplasticpartsstructurecharacteristicsandmoldingrequirements,choosethepartingsurface,designthegatingsystemanddeterminethecavitynumber.Keywords:InjectionmoldedpartsAccessoriesTCL2165TelevisionTunercoverplateMolddesign南京工程学院毕业设计说明书（论文）第III页目录摘要.............................................................IABSTRACT...........................................................II第1章前言.......................................................11.1当前我国模具工业的发展状况....................................1第2章注塑件的设计..................................................32.1ABS塑料的性质及注塑相关参数.....................................32.1.1ABS塑料的性质...............................................32.1.2ABS塑料的相关参数和成型加工性能.............................42.2塑件结构分析.....................................................52.2.1壁厚........................................................52.2.2脱模斜度....................................................62.3.1尺寸精度....................................................62.3.2塑件的表面质量..............................................6第3章模具设计....................................................73.1注射成型工艺简介.................................................73.3注射机的选择.....................................................83.3.1注射机基本参数..............................................83.3.2初择注射机..................................................83.4分型面的确定.....................................................93.5型腔数目的确定及型腔的排列......................................103.6浇注系统的设计..................................................113.6.1浇口的确定.................................................113.6.2浇口位置的选择.............................................123.6.3主流道设计.................................................133.6.4分流道.....................................................143.6.5冷料穴.....................................................153.6.6浇注系统的平衡.............................................153.7合模导向机构设计................................................153.7.1导向机构的功用.............................................153.7.2导向机构结构及设计.........................................163.7.3定位机构设计...............................................163.8成型零件的设计与加工工艺........................................163.8.1模仁尺寸的确定.............................................163.8.2主要成型零件的尺寸计算.....................................173.8.3侧向分型与抽芯机构.........................................193.8.4抽芯距的确定...............................................193.9模架的确定......................................................19南京工程学院毕业设计说明书（论文）第IV页3.9.1型腔壁厚和底部壁厚的计算...................................193.9.2模架的选用.................................................203.10温度调节系统设计...............................................203.10.1冷却装置的计算............................................203.11注射机的校核...................................................223.11.1最大注射量的校核..........................................223.11.2锁模力的校核..............................................223.11.3喷嘴尺寸的校核............................................233.11.4定位圈尺寸校核............................................233.11.5模具外形尺寸校核..........................................233.11.6模具闭合高度校核..........................................233.12注射机安装模具部分的尺寸校核...................................23第4章总装配图和成型零件及加工工...................................254.1模具总装配图....................................................254.2成型零件及加工工艺卡............................................274.2.1型芯镶块DXQGB-00-08加工工艺过程卡.........................274.2.2型腔镶块DXQGB-00-10加工工艺过程卡.........................294.2.3侧滑块DXQGB-00-20加工工艺过程卡...........................324.2.4侧型芯DXQGB-00-37加工工艺过程卡...........................33第五章结论.....................................................34致谢...............................................................35参考文献...............................