一种药品压片机的设计说明书.doc
一种药品压片机的设计THEDESIGNOFPHARMACEUTICALTABLETMACHINE目录摘要·············································································································1关键词·········································································································11前言········································································································12压片机总体设计·························································································22.1设计题目分析·······················································································22.1.1给定数据························································································22.1.2总功能分析·····················································································22.2工作原理·····························································································32.3机械运动方案及机构设计····································································42.3.1拟订执行构件的运动形式·································································42.3.2拟订运动循环图··············································································52.3.3确定主加压机构方案········································································52.3.4评选机构方案·················································································62.3.5机构的尺度设计··············································································73冲压机构设计·····························································································94凸轮机构的设计·······················································································114.1凸轮机构的应用···················································································114.2凸轮的分类·························································································114.2.1按凸轮的形状分类··········································································114.2.2按从动件的形状分类·······································································114.3凸轮等速运动规律················································································124.4凸轮轮廓曲线设计················································································124.4.1利用作图法设计凸轮廓····································································125减速器的设计····························································································145.1减速器传动系统的分析·········································································145.2分心减速器的装配方案·········································································145.3传动系统运动分析计算·········································································145.3.1确定电机型号················································································145.3.2计算传动装置各级传动比和效率·······················································145.3.3计算各轴的转速功率和转矩·····························································155.3.4高速轴上的齿轮设计·······································································155.3.5低速轴上的齿轮设计·······································································185.4轴的设计····························································································195.4.1轴的最小直径的确定········································································195.4.2轴的结构设计················································································205.5轴的校核····························································································205.5.1齿轮的力分析计算··········································································205.5.2支座力分析····················································································215.5.3当量弯矩·······················································································215.5.4校核强度·······················································································215.5.5结论·····························································································226带传动的设计····························································································236.1传动带的设计······················································································236.1.1确定计算功率,选择V带型号·························································236.1.2选择带轮的基准直径和验算带数·······················································236.1.3确定中心距a和v带的基准长度·······················································236.2带轮的设计·························································································247结束语·····································································································25参考文献·····································································································25致谢············································································································261一种药品压片机的设计摘要:压片机被广泛使用在实际生产医药,肥料等领域,本文设计了一种药品单冲压片机,采用凸轮机构、曲柄滑块机构相互配合,实现上冲、下冲、进料器配合压制药片的过程。本文首先对现有压片机进行了研究分析,提出了多种实现往复直线运动的运动机构,并确定了总体方案,根据药粉制片的工艺要求,对压片机的主要零部件进行了理论分析与计算,完成了总体结果设计,并绘制总体装配图和各零件图。关键词:单冲;压片机;机构设计Thedesignofpharmaceuticaltabletmachine(OrientalScienceTechnologyCollegeofHunanAgriculturalUniversity,Changsha410128)Abstract:Presseriswidelyusedintheactualproductionofmedicine,fertilizerandotherfields,etc.Thispaperintroducesadesignofsingledrugstampingmachine,Byusingcam,crankslidermechanismtocomplementeachotherforachievingtherushupandanalyzed,wemadeavarietyofreciprocatinglinearmotiontoachievethemovementorganizations,andtodeterminetheoverallprogram,powderproductionprocessaccordingtothepunchingmachine.Themaincomponentstheoryanalysisandcalculation,theoverallresultofthecompletionofthedesign,andthedrawingtheassemblyandthepartscouldbefoundinthepaper.Keywords:Singlestamping;Punchingmachine;Mechanismdesign