机械毕业设计1336双线水溶线拉丝收卷机毕业设计

本科毕业设计（论文）资料题目名称：双线水溶线拉丝收卷机学院（部）：机械工程学院专业：机械工程及自动化学生姓名：班级：学号0225指导教师姓名：职称教授职称教授最终评定成绩：第一部分设计说明书I摘要水溶线是一种新兴的绿色环保包装材料，它是一种无污染的线材，而且力学性能好、热封强度高、使用安全方便。由于水溶线的生产及收卷设备是近几年才研究开发的新型设备，因而其许多机构很不成熟，急需改进设计。本课题旨在设计一台结构简单，收卷效率高，能实现双工位收卷，要求收卷速度可调（2～10m/min）,收卷筒直径30mm，收卷长度100mm,可实现张力自由控制。双线水溶线拉丝收卷机是由电动机提供驱动力，通过多级链传动来带动收卷轴，利用张力控制器来控制收卷轴的张力大小，由双螺旋圆柱凸轮机构来实现收卷丝时的往复运动。为防止收卷装置对水溶线的拉力随水溶线的收卷半径增大而增大以致把水溶线拉断，因此采用恒张力控制系统。本设备具有传动平稳，自动排线，达到排线均匀，收卷整齐，整机结构紧凑、自动化程度高，外形美观，生产效率快，产品质量好，操作方便，成本低等特点。关键词：收卷机，水溶线,双螺旋丝圆柱凸轮机构IIABSTRACTWater-solubleLineisanewgreenenvironmentalprotectionpackingmaterial,itisanon-pollutingmaterial,andgoodmechanicalproperties,highheatsealingstrength,theuseofsafeandconvenient.Productionlineasaresultofwater-solubleandrollingequipmentisonlyinrecentyears,researchanddevelopmentofnewequipment,andthereforemanyofitsinstitutionsisveryimmature,much-neededimprovementsindesign.Thesubjectaimstodesignasimplestructure,highefficiencyrolling,toachievedouble-bitrolling,requireadjustablespeedrolling(2～10m/min),closedreeldiameter30mm,lengthrolling100mm,canberealizedTension-freecontrol.Twowater-solublerollingwiredrawingmachinelineisprovidedbythemotordrivingforce,throughthemulti-stagechaindriveinordertoboosttheadmissionscroll,usethecontrollertocontrolthetensionofthetensionreelcollectionsize,theuseofthedoublehelixcylindricalcamtorealizeatthetimeofwindingwirereciprocatingmotion.Rollingdeviceinordertopreventwater-solublelineoftherallywiththecollectionofwater-solublelinerollradiusincreasessothatthewater-solublefilmpulloff,sotheuseofconstanttensioncontrolsystem.Thedevicehasasmoothtransmission,automaticcabletocableuniformneatlyrollingmachinecompactstructure,highdegreeofautomation,pleasinginappearance,fasterproductivity,productquality,easytooperate,andlowcost.Keywords:drawingmachine,Water-solubleLine,thedoublehelixcylindricalIII目录第1章绪论·······························································11.1水溶线的特点············································································11.2收卷机的发展现状·····································································21.3本次设计的研究内容···································································2第2章总体方案设计···················································32.1工艺分析···················································································32.2设计任务···················································································32.3双线水溶线拉丝收卷机的主要结构·················································42.4设计方案的确定·········································································4第3章零部件的设计···················································63.1机架的结构设计··········································································63.2电动机的选用·············································································63.2.1传动方案及各部件的分析和比较··············································63.2.2选择电动机类型···································································73.2.3选择电动机的转速································································83.3双螺旋线圆柱凸轮机构的设计·······················································93.3.1双螺旋线圆柱凸轮机构的工作原理···········································93.3.2双螺旋线圆柱凸轮机构的设计·················································93.4传动方案的设计与计算······························································123.4.1传动比的确定····································································123.4.2各轴的转速、功率和转矩的计算············································123.5链传动的设计与计算·································································143.5.1确定链条的型号及节距························································143.5.2计算链传动的转速······························································163.5.3链传动作用在轴上的压轴力··················································173.5.4链传动的布置····································································183.5.5链传动的张紧····································································183.5.6链传动的润滑····································································183.5.7链轮的设计········································································18IV3.6主动轴的结构设计与校核···························································203.6.1主动轴的结构设计······························································203.6.2主动轴的载荷计算······························································213.6.3按弯扭合成应力校核轴的强度···············································243.6.4精确校核轴的疲劳强度························································243.7收卷轴Ⅰ的结构设计与校核························································253.7.1收卷轴Ⅰ结构设计······························································253.7.2收卷轴Ⅰ上载荷计算···························································273.7.3按弯扭合成应力校核轴的强度···············································293.7.4精确校核轴的疲劳强度························································303.8收卷轴Ⅱ的结构设计·································································333.9导线杆的结构设计····································································343.10调心滚子轴承···················································