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武汉科技大学本科毕业设计I摘要轧钢生产已经成为冶金生产行业中把钢坯轧制成钢材的重要生产环节，具有产量大、品种齐全，生产过程机械化自动化程度高等许多优点，是满足国民生产需要的重要技术。而矫直技术是提高板带钢产品表面质量和平坦度的重要环节。矫直机在冶金工业种用途非常广泛，它是冶金工业生产中常用的矫直设备。随着科学的发展轧钢生产行业与传统机械业进一步紧密的结合在一起。利用轧钢生产技术，提高轧制产品的质量，减少轧制生产的时间，提高成品率，降低生产成本和提高材料利用率已经成为轧钢机械设计的主要目标。在现代化程度较高的连铸生产线中，连铸坯的矫直设备是必不可少的；在型钢、钢板、钢管等轧钢厂的精整车间，矫直机则更是必备的设备之一。平直度是评价金属板带质量的重要指标之一，随着用户对板带质量要求的不断提高，板带平直度的控制和改善显得日益重要。板材矫直机是消除板材平直度缺陷，改善板形的关键设备。经过现场实习，本文是依据辊式板带矫直机的生产过程和工作原理，按照设计要求，首先计算薄板夹送矫直机组的矫直机结构参数和力能参数，然后设计计算夹送辊的基本结构参数和力能参数，再根据夹送辊的受力和夹送辊轴承座的受力情况来设计计算夹送辊弹簧调整系统的主要零部件的尺寸大小，并对其进行强度校核，最终完成整个设计过程。关键词：辊式矫直机；力能参数；结构参数；夹送辊；调整系统。武汉科技大学本科毕业设计IIAbstractTheproductofsteel-rollinghasbecomeanimportanttechnologyofrollingbillettobesteelsinthemetallurgyproduceindustry.Thestrong-pointofthisindustryishavegreatoutputoftheproductionisthevarietyproduction.Andtheproduceprocessisverymechanizationandautoimmunization.Thesteel-rollingisanimportanttechnologytofulfillthecountryneed.Andstraighteningisanimportantparttoprovingthesurfacequalityandflatnessofplatestrip.Thestraighteningmachinesareverywidelyusedinthemetallurgicalindustry.Itiscommonlyusedinmetallurgicalindustry.Withthedevelopmentofsteel-rollingindustry,thesteel-rollingproductionindustryhasbeenintegratedverywellwiththetraditionalmechanicalindustry.Usethesteel-rollingproductiontechnologytoenhancetherollingproducts’quality,toreducethetimeofrolling,toenhancetherateofgood-products,toreducetheproductioncostandenhancethematerial’sutilizationhasbecomethemainaimofthesteel-rollingmachinedesign.Inthemodernizationofhighdegreeofcontinuouscastingproductionline,thecontinuouscastingslabofstraighteningequipmentisindispensable.Inthesteel,steelplates,steel-rollingfinishingworkshop,straighteningmachineisoneofthenecessaryequipments.Straightnessisoneoftheimportantindexeswithquality.Astheusers’demandforthequalityrequirementsenhancesunceasingly,thesteelstraightnesscontrolandimprovementisbecomingmoreandmoreimportant.Thestraighteningmachineisthekeyequipmenttoeliminatestraightness’defects.Afterfieldinternship,thispaperproductionprocessbasedontherollerstraighteninganditsworkingmethodinaccordancewithdesignrequirements,thefirstcalculationisthesheetfolderstraighteningstructureparametersandtheforcesenttothestraighteningunitoftheparameter,andthenthebasicstructuralparametersandforceparametersofpinchrolls,thelast,bytheforceofthepinchrollandpinchrollsbearing,designandcalculatethesizeofthefolderrolls,themaincomponentsofthespringadjustmentsystem,thencheckthestrengthofthem.Ultimately,finishtheentiredesignprocess.Keywords:Rollerstraightening;forceandenergyparameters;structuralparameters;pinchrolls;adjustmentsystem.武汉科技大学本科毕业设计III目录1绪论···································································11.1轧钢生产的国内外发展情况···········································11.1.1轧钢生产及产品种类···········································21.1.2轧钢机械的分类···············································21.2矫直机在轧钢生产中的作用及发展情况·································21.3现场矫直机工作原理·················································31.4板带材的特点·······················································31.4.1板带产品的外形、使用特点·····································31.4.2板带产品分类及技术要求·······································31.4.3板带产品的生产特点···········································52总体方案评述···························································52.1矫直机的形式与矫直过程·············································52.2矫直方案···························································62.3夹送辊调整装置的作用···············································63矫直机结构参数与力能参数的计算·········································83.1设计要求与基本参数·················································63.2辊式矫直机结构参数的选择与确定·····································63.3矫直力与矫直力矩的计算·············································83.4矫直功率的计算·····················································114夹送辊的设计与计算·····················································114.1夹送辊的辊径计算···················································114.2夹送辊的结构设计计算···············································134.3夹送辊的强度校核···················································145夹送辊调整系统设计计算·················································165.1夹送辊调整系统设计方案·············································165.2夹送辊调整系统结构设计·············································175.3弹簧调整系统主要零部件的设计·······································165.3.1拉杆的结构设计···············································175.3.2固定板与紧固螺栓的结构设计···································185.4弹簧调整系统主要零部件的强度校核···································185.4.1拉杆的强度校核···············································185.4.2紧固螺栓的强度校核············································205.4.3连接夹送辊轴承座的螺栓的强度校核······························20武汉科技大学本科毕业设计IV6夹送辊轴承的寿命计算···················································217润滑方式的选择·························································228结论···································································23参考文献·································································24致谢·····································································25武汉科技大学本科毕业设计11绪论1.1轧钢生产的国内外