安全帽外观及注射模设计VIP专享VIP免费

摘要本设计介绍了安全帽注射模的设计与制造方法。该注射模采用了1模1腔的结构。内容包括制品材料的选择及材料性能的分析、注射机的选用、浇注系统成型零件、冷却系统和抽芯机构的设计等部分。本文强调利用现代计算机辅助设计制造技术，运用了Pro/E软件进行辅助设计。既保证了产品的质量，还大大地提高了制造生产率，缩短了产品更新的周期。关键词：制造设计安全帽注射模Pro/ECAD/CAMAbstractThisdesignintroducedtheplasticinjectsmold'sdesignandthemanufacturemethod.Thisinjectionmoldhasused1mold1cavitystructures.TheContentsincludeproductschoiceofmaterialsandmaterialsperformanceanalysis,injectionmachinechoice,gatingsystem,moldingparts,coolingsystemandcore-pullingmechanismdesignetcparts.Thispaperemphasizesthemoderncomputeraideddesignandmanufacturingtechnology,usingPro/Esoftwareassistantdesign.Notonlyensuretheproductquality,butalsogreatlyimprovethemanufacturingproductivity,shortenedproductupdatecycle.Keyword:manufacturedesignHelmetsinjectionmouldPro/ECAD/CAM目录1、前言......................................................11.1课题研究的目的与意义.............................................11.2我国模具技术的现状及今后发展趋势.................................22、塑件的工艺分析............................................32.1塑件使用材料的种类及工艺特征.....................................32.2塑件的结构工艺性.................................................52.3塑件成形工艺性分析...............................................53、型腔数目的确定............................................63.1塑件体积的计算...................................................63.2塑件的质量计算...................................................73.3按注射机的最大注射量确定型腔数目.................................74、注射机的选择..............................................84.1注塑机类型.......................................................84.2注塑机基本参数...................................................85、浇注系统的设计...........................................105.1主流道的设计....................................................105.2分型面的选择设计原则............................................115.3浇口的设计......................................................125.4浇口套的设计....................................................135.5定位圈的设计....................................................136、确定主要零件结构尺寸选模架、成型零部件的设计.............136.1型腔、型芯工作尺寸计算..........................................136.2侧抽机构设计....................................................146.3模架的选择......................................................167、校核计算.................................................177.1注射压力的校核..................................................177.2锁模力的校核....................................................177.3开模行程校核：..................................................188、导向机构的设计...........................................188.1导柱的设计......................................................188.2导套的结构设计..................................................198.3推出机构的设计..................................................199、冷却系统的设计...........................................219.1确定冷却水道直径...............................................2210、模具排气槽的设计........................................2211、校核...........................................