烟草生产线上输送系统的设计

I摘要由于输送机械具有很强的输送能力，所以在工业中有着广泛的应用，它是工业生产中实现连续化、规模化、自动化、现代化必不可少的设备。输送机械不仅能实现生产过程中各段的连接，组成流水生产线，还可以结合其他控制方法来控制物料的流量、计数等，达到控制整个生产节奏和速度的目的。本次设计在机械方面采用了带传动方案，电控部分采用单片机控制。经过对本次设计的综合分析，使得该设计保持了其技术的先进性，而且提高了设计质量；加快了开发速度，进一步缩短了设计周期，提高设计计算的准确性，减轻技术人员的劳动强度，降低了设计成本，从而提高了该类产品的竞争能力。并加快了输送机在我国各行业的广泛推广与应用。关键词：输送机械；输送能力；输送带；控制IIAbstractBecausethereisastrongconveyortransportcopacity.Theconveyerintheindustryhaswideapplication,itisindustrialproductiontoachievecontinuous,large-scale,automated,andessentialtothemodernizationofequipment.transportlevelcanalsobetiltedtransportation;cantransportbulkgrain,butalsothetransportationoffoodpackaging,lowpowerconsumption,reliableoperationandeasymanagement,workwithoutthenoise.FoodconveyormachineryisnotonlyabletomaketheproductionprocessofconnectingtoformProductionLines.Alsoinconjunctionwithothercontrolmeasurestocontroltheflowofmaterialsandtocontroltheentireproductionrhythmandspeedpurposes.Thedesignofthemechanicalaspectsofusingabeltdriveprogram,electriccontrolpartadoptsMCUcontrol.Afteracomprehensiveanalysisofthisdesign,makingthedesignofadvancedtechnologytomaintain,andimprovedesignquality.Furthershortenthedesigncycle,improvedesignaccuracyofthecalculation,reducethelaberintensityoftechnology,reducedesigncost,consequentlyimprovecompetitiveabilityofthiskindofcargo,andacceleratebeltconveyor’swidelyspreadanduse.Keywords：transportationmachinery；transportcapability；conveyor；controlIII目录摘要.........................................................................................................................IAbstract.................................................................................................................II第1章绪论........................................................................................................11.1选题的目的和意义...............................................................................11.2输送机概况...........................................................................................11.2.1输送机械在工业中的应用........................................................11.2.2输送机国内外发展现状及趋势................................................21.3设计的主要内容...................................................................................3第2章总体方案论证........................................................................................42.1机械部分的方案的论证.......................................................................42.1.1重要机械部件的确定................................................................42.1.2传动方案的确定........................................................................42.1.3托辊的选择................................................................................52.2.4总体结构的确定........................................................................52.2电控部分的方案论证...........................................................................5第3章输送机的设计计算................................................................................83.1输送机的计算.......................................................................................83.1.1带宽的计算................................................................................83.1.2输送带宽度校核........................................................................93.1.3输送带最大的物料横截面积....................................................93.2输送能力的计算.................................................................................103.3圆周驱动力与驱动功率.....................................................................113.3.1圆周驱动力..............................................................................113.3.2传动滚筒轴功率的计算..........................................................143.3.3附加功率计算..........................................................................153.4电动机功率计算.................................................................................163.5输送带张力计算.................................................................................163.5.1输送带允许最大的下垂度计算最小张力..............................16IV3.5.2输送带不打滑条件..................................................................173.5.3输送带下垂度校核..................................................................193.6输送带的选择与校核.........................................................................203.7张紧装置的选择和计算.....................................................................213.8滚筒的设计.........................................................................................22第4章输送机其他主要零件的设计..............................................................304.1托辊.....................................................................................................304.1.1静载计算....................................................................................304.1.2动载计算....................................................................................314.1.3托辊的额定负荷和最大转速....................................................334.2支架类装置.........................................................................................35第5章单片机控制..........................................................................................365.1单片机的主要控