塑料仪表盒底板注塑成型模具设计

毕业设计（论文）题目：塑料仪表盒底板注塑成型分析及模具设计与制造学生：指导老师系别：专业：班级：学号：2009年6月本科毕业设计(论文)作者承诺保证书本人郑重承诺：本篇毕业设计(论文)的内容真实、可靠。如果存在弄虚作假、抄袭的情况，本人愿承担全部责任。学生签名：年月日本科毕业设计(论文)指导教师承诺保证书本人郑重承诺：我已按有关规定对本篇毕业设计(论文)的选题与内容进行了指导和审核，该同学的毕业设计（论文）中未发现弄虚作假、抄袭的现象，本人愿承担指导教师的相关责任。指导教师签名：年月日I目录摘要......................................................................IABSTRACT..................................................................11.选题背景................................................................11.1塑料模具的发展状况及地位.............................................11.2选择仪表盒底座的背景及意义...........................................21.3选材及性能分析.......................................................21.3.1ABS................................................................21.4设计内容.............................................................31.5应解决的主要问题.....................................................42.塑件成型工艺性分析......................................................42.1塑料材料.............................................................42.2表面质量.............................................................42.3尺寸和精度...........................................................52.4结构特点.............................................................52.5塑件注射工艺性.......................................................63.塑件成型方案设计........................................................63.1分型面的选择.........................................................63.2型腔数确定...........................................................73.3浇注系统类型与位置选择...............................................73.3.1浇口的选择.........................................................73.3.2浇口尺寸的确定.....................................................83.4成型零件结构设计.....................................................83.5脱模结构设计.........................................................93.5.1脱模力计算.........................................................93.5.2脱模机构的选用及布局..............................................103.5.3凝料脱出机构的设计................................................113.6导向、定位机构设计..................................................113.6.1导向机构的作用....................................................113.6.2导向机构结构及设计................................................113.7模具冷却系统设计....................................................123.7.1制品所需冷却时间的计算............................................123.7.2冷却介质一边所需传热面积的设计计算................................133.8模架选用............................................................144.模具结构设计...........................................................144.1模具成型零部件设计..................................................144.1.1成型零件重要工作尺寸计算..........................................144.1.2成型零件结构设计..................................................154.1.3排气方式及排气槽的设计............................................17II4.2模具强度与刚度计算..................................................174.2.1型腔(上模)的侧壁和底板厚度计算....................................174.3模具结构总图绘制....................................................194.4成型零件的加工工艺..................................................214.4.1选材..............................................................214.4.2型腔的加工........................................................215.注射机的选用及相关参数的校核...........................................215.1塑件基本参数........................................................215.2注塑机参数校核......................................................225.2.1最大注塑量........................................................225.2.2锁模力校核........................................................225.2.3模具与注塑机安装部分相关尺寸校核..................................235.2.4开模行程校核......................................................236.结束语.................................................................24致谢.....................................................................25参考文献.................................................................26I仪表盒底板注射成形工艺及模具设计摘要：本课题设计的产品是仪表盒底板件。首先，对材料性能进行分析，选用ABS作为制件材料。然后，对制件做总体分析，该制件的结构不是很复杂，精度要求也不高，最大的难点是侧型芯成型，通过对产品结构设计、生产效率等方面的综合分析，决定采用斜导柱抽芯。最后，对产品进行工艺分析、模具的设计及注塑机相关参数的校核。重点一是产品结构工艺分析，在符合使用要求的情况下，尽量简化产品模具的生产，另一个是模具结构的设计，设计合理的模具，以满足制件结构和精度的要求，合理安排加工工艺，完成加工要求的前提下降低模具制造成本。关键字：ABS;侧型芯成型;斜导柱抽芯;结构.ThedesignofinjectionmoldandformingprocessforthesoleplateofmeterboxAbstract:Theproductdesignedinthetopicistheflashlightshellshape.Firstly,analyzingthematerialperformance,choosingABSasmaterialtomakeworkpiece.Next,makesthemacroanalysistotheworkpiece,thestructureoftheworkpieceisnotverycomplex,andtheaccuracyrequirementisnothigh,thebiggestdifficultyissidenowelmoulding,decidingtoadopttheinclinedposttakeoutcorebygeneralizedanalysesthedesigningofthestructureoftheproductandtheproductionefficiency.Finally,carriesontheanalyzeprocess,designthemodelandexaminetherelatedparameteraboutinjectionmoldingmachine.Theonepointisthestudyingofthestructureoftheproduct,simplifiestheproductmold'sproductionasfaraspossible,intallieswithintheoperationrequirementssituation,anotheristhedesigningofmoldstructure,therationaldesigntosatisfystructureandtheprecisionrequestoftheworkpiece,undertheconditionofafterfin