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塑料多格盒注射模设计论文[带图纸].doc

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塑料多格盒注射模设计论文[带图纸].doc

哈尔滨工业大学华德应用技术学院本科毕业设计(论文)I摘要塑料工业是当今世界上增长最快的工业门类之一,而注塑模具是其中发展较快的种类,因此,研究注塑模具对了解塑料产品的生产过程和提高产品质量有很大意义。本设计介绍了注射成型的基本原理,特别是多分型面注射模具的结构与工作原理,对注塑产品提出了基本的设计原则详细介绍了注射模具浇注系统、温度调节系统和顶出系统的设计过程,并对模具强度要求做了说明利用CAD/CAM系统标准软件对模具进行参数化设计。并根据塑件得特殊性添加了气动脱模装置和限位拉杆装置来使模具结构更加合理,工作更加可靠。通过本设计,可以对注塑模具有一个初步的认识,注意到设计中的某些细节问题,了解模具结构及工作原理通过绘图使自己对CAD制图软件有了更好的掌握。关键词塑料模具参数化分型面哈尔滨工业大学华德应用技术学院本科毕业设计(论文)IIAbstractTheplasticsindustryintheworldtoday,oneofthefastestgrowingindustrycategory,whiletheinjectionmoldisoneofthefastgrowingspecies,soresearchersinunderstandingtheplasticinjectionmoldproductionprocessandimproveproductqualityisverysignificant.Thisdesigndescribesthebasicprincipleofinjectionmolding,inparticular,isamultipartinginjectionmoldthestructureandworkingprincipleofinjectionmoldingproductsmadethebasicdesignprinciplesdetailsoftheinjectionmoldgatingsystem,temperatureregulationsystemandthepushoutsystemdesignprocess,anddiestrengthrequirementisexplainedtheuseofCAD/CAMsystem,theparametersofstandardsoftwareformolddesign.Andinaccordancewithparticularityofplasticpartswereaddedtolimitrodpneumaticejectiondevicesanddevicestomakethemoldstructureismorereasonableandmorereliablework.Throughthedesign,injectionmoldcanhaveapreliminaryunderstanding,notingsomeofthedetailsofthedesigntounderstandthemoldstructureandworkingprinciplebydrawingontheCADdrawingsoftwareitselfhasabettergrasp.Keywordsplasticmoldparameterpartingsurface哈尔滨工业大学华德应用技术学院本科毕业设计(论文)III目录摘要.............................................................................................................IAbstract......................................................................................................II第1章绪论...............................................................................................11.1模具工业在国民经济中的地位...........................................................11.2我国模具工业的现状...........................................................................21.3塑料模具的现状及发展趋势...............................................................31.4本章小结..............................................................................................4第2章塑件成型工艺性分析...................................................................52.1产品分析...............................................................................................52.2塑料材料成型特性与工艺参数...........................................................62.3塑件的注射工艺参数的确定...............................................................82.4料的成型收缩及尺寸精度...................................................................92.5注射成型工艺过程...............................................................................92.6本章小结...............................................................................................9第3章注塑机的选择.............................................................................103.1注射机的选择.....................................................................................103.1.1注塑机简介.................................................................................103.1.2注塑机基本参数.........................................................................113.1.3型腔的配置.................................................................................123.1.4塑件的参数计算..........................................................................153.1.5注射压力的校核..........................................................................153.1.6锁模力校核..................................................................................163.1.7模架的初选与校核.....................................................................163.2本章小结.............................................................................................18第4章模具设计...................................................................................194.1浇注系统的设计原则.........................................................................194.2流道的设计.........................................................................................204.2.1主流道的设计..............................................................................204.2.2冷料穴的设计..............................................................................21哈尔滨工业大学华德应用技术学院本科毕业设计(论文)IV4.2.3分流道的设计..............................................................................214.2.4浇口套的设计..............................................................................214.2.5浇口的选择..................................................................................224.3分型面的设计.....................................................................................234.4确定型腔的排列方式.........................................................................244.5排气槽的设计.....................................................................................254.6拉料杆.................................................................................................254.7导向机构的设计.................................................................................264.7.1导向机构的作用.........................................................................264.7.2导向机构的设计..........................................................................264.7.3设计导套和导柱须注意的事项...............................................274.7.4导柱与导套.................................................................................284.8脱模机构设计.....................................................................................284.8.1确定推出机构..............................................................................284.8.2气动脱模.....................................................................................304.8.3流道凝料的推出.........................................................................314.9本章小结.............................................................................................31第5章成型零件设计与计算.................................................................325.1凹模结构设计.....................................................................................325.2凸模结构设计....................................................................................325.3凹模尺寸的计算.................................................................................335.3.1凹模径向尺寸的计算..................................................................335.3.2凹模深度尺寸的计算.................................................................345.4凸模尺寸的计算................................................................................355.4.1凸模径向尺寸的计算.................................................................355.4.2凸模高度尺寸的计算.................................................................365.5型腔侧壁以及底板厚度尺寸............................................................375.5.1型腔侧壁厚度计算......................................................................375.5.2底板厚度计算..............................................................................385.6本章小结............................................................................................38第6章模具温度调节系统设计.............................................................396.1温度调节对塑件质量的影响............................................................396.2对温度调节系统的要求....................................................................39哈尔滨工业大学华德应用技术学院本科毕业设计(论文)V6.3冷却系统设计原则............................................................................396.4本章小结............................................................................................40结论...........................................................................................................41致谢...........................................................................................................42参考文献...................................................................................................43附录...........................................................................................................44

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