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外文翻译--打包机机组液压系统设计与联动配置.doc

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外文翻译--打包机机组液压系统设计与联动配置.doc

PREEUNITHYDRAULICSYSTEMDESIGNANDCONFIGURATIONINTERACTIONABSTRACTTHECOPPERCATHODEPREEUNITHYDRAULICSYSTEMANDANCILLARYEQUIPMENTDESIGN,ASWELLASUNITLINKEDCONFIGURATIONSOLUTIONTHEORIGINALPREELABOURINTENSITY,LOWEFFICIENCY,COMPACTPACKAGEVARY,ANDSOONKEYWORDSPREE;HYDRAULICSYSTEM;LINKAGECONFIGURATIONPACKAGINGQUALITYCOPPERCATHODEWILLBEQUALIFIEDFORISPILINGUPINTHETRANSPORTATIONOFSMALLCARS,WEIGHING,WEIGHTS,QILI,ASTACKOFPACKINGPROCESS,THEPRODUCTIONPROCESS,THEREARETHEFOLLOWINGMAJORISSUES1ARTIFICIALSORTINGSTACKERWASNOTJUSTIFIEDQIPLATOONSBOARD,RESULTINGINBUNDLESOFCOPPERCATHODEVARY,THEIMPACTOFPRODUCTPACKAGINGAPPEARANCE;2CANNOTBEPACKAGEDUNDERPRESSURE,RESULTINGINALACKOFREGULARPACKINGCASUALBAGS;3THEENTIREPROCESSFROMMANUALOPERATION,RESULTINGINLABOURINTENSITY,LOWPRODUCTIVITY1UNITHYDRAULICSYSTEMDESIGNPACKINGUNITPRODUCTIONCAPACITYOF250T/THECLASSES,MAINLYBYTHETRANSPORTVEHICLE,PAIPLATE,PRESS,PACKING,ASSISTIVEDEVICESANDHYDRAULICSYSTEMCOMPONENTSONEFOURPOSTERHYDRAULICPRESSPRESSUREOF500KN,PAIBOARDLIQIPRESSUREOF60KNAGENCIES11ANALYSISANDTHESTATUSOFSPECIFICDESIGNREQUIREMENTSTHEHYDRAULICSYSTEMCONTROLUNITROWOFHYDRAULICPLATEAGENCIESATTHESAMETIMEREACHOUTSLOW,EVENINTOPILESOFCOPPERCATHODEFILMEXTRUSIONQILI,BAORETURNEDTOTHECALENDARAFTERFASTHYDRAULICSYSTEMATTHESAMETIMEPROVIDETHEIMPETUSFORTHEFOURPOSTERPRESS,THEWORKCYCLETOACHIEVETHEFOLLOWINGRAPIDDECLINEINTHEFUELTANKPRESSURE,THESLOWDOWNINCLOSEROWPLATEAFTERTHEARGUMENTSINTOPILESOFCOPPERCATHODE,THEPRESSURETOSETVALUETHISVALUECANBEREQUESTEDTUNEANDBAOCALENDAR,THISREDUCTIONINTHESTATEAERODYNAMICPACKAGEUSEDBYOPERATIVESTOOLSBANDINGPACKAGING;PRESSUREFUELTANKSOONTHEREAFTER12COMPONENTSCHOICEACCORDINGTOTHEDESIGNOFTHEHYDRAULICSYSTEMCOMPONENTSACTIONREQUIREMENTSANDTHEIMPLEMENTATIONOFINDUSTRIALPRACTICE,SELECTKEYCOMPONENTSFORELECTROMAGNETICRELIEFVALVE,AXIALPISTONPUMP,SOLENOIDDIRECTIONALCONTROLVALVEELECTROHYDRAULICDIRECTIONALCONTROLVALVE,THERATIODIRECTIONALVALVE,THESTREAMINGFLOWVALVESYMMETRICALBALANCEVALVE,THEPRESSUREONTHERELAYS,ETC13HYDRAULICCOMPONENTSMOTORCONTROLDESIGNINTHECONTROLSYSTEM,DESIGNEDASSHOWNINTABLE1OFTHEELECTROMAGNETACTIONSEQUENCEASSHOWNINFIGURE1ANDLIMITTHEDEVICE,SYSTEMIMPLEMENTATIONBODIESMOVING14HYDRAULICSYSTEMDESIGNFEATURESOUTLINEDTHESYSTEMHASTHEFOLLOWINGFEATURES1THEUSEOFELECTROMAGNETICRELIEFVALVE,THEHYDRAULICPUMPCANBENOLOADSTARTUP,ALLOWINGTHESYSTEMTORUNTHEECONOMY;2SETASHUNTFLOWVALVE,DUALFUELTANKSPLATESPEEDSYNCHRONIZATION;3THERATEDFLOWCAPACITYOFTHECHOSENCONTROLDEVICE,THUSSHORTENINGTHETIMEFORACTIONTOENHANCETHEEFFICIENCYOFPACKAGINGUNIT;4LIMITPRESSURERELAYSANDSWITCHESINCOMBINATION,THESYSTEMGUARANTEESSAFEOPERATION2MATCHINGDESIGN21DESIGNPLATEROWPAIBOARDLIQIAGENCIESUSETHEFUELTANKFLANGECONNECTIONWITHTHESTENT,BYTHEENDOFTHEPISTONRODBEARINGJOINTSANDPUSHTHROUGHPINPLATEGROUPLINKED;PUSHBETWEENBOARDSANDTHEESTABLISHMENTOFTWOSTENTORIENTED,WHILEPROVIDINGTHEFOUNDATIONGUIDES,SUPPORTACTIVITIESBYPUSHINGWHEELPLATE22DESIGNPRESSUREPRESSUREINSTITUTIONSTOREFERTOTHESTANDARDFOURPILLARSTRUCTUREOFTHEPRESSBYTHEFOURUPPERANDLOWERFRAMEBEAMANDCOLUMNCOMPONENTS,BEAMANDCOLUMNCONNECTIONSBETWEENTHESCREWONTHEFRAMEWORKOFBEAMSANDPRESSUREFLANGEBOLTSTHROUGHTHEENDOFTHEFUELTANKFLANGECONNECTIONS,FUELTANKSINSTALLEDONTHEPISTONRODMOVEMENTINTHEFRAMEWORKOFTHETWOORIENTEDBEAMORIENTEDTHEENDOFTHEPISTONRODBEARINGJOINTSCONNECTINGPINPRESSUREFROMTHEFIRSTDEVICE,THEFIRSTDESIGNPRESSURETOCONSIDERREDUCTIONINTHESTATECANGUARANTEEAPACKAGEBANDING23TRANSPORTATIONVEHICLESANDASSISTIVEDEVICESDESIGNTROLLEYTRANSPORTATIONSTRUCTURESSUCHASSHOWNINDIAGRAM2,WALKINGFROMTHEPASTSPRINGSUPPORTTHEWEIGHTOF2000KGOFCOPPERCATHODE,THEFUELTANKPRESSUREREDUCTIONADOPTEDBYTHEPANELSETUPINTHECOLUMNSUPPORTONTHEBASISOFLOADBEARINGSTEELFORPROCESSCONTROLDESCRIBEDBELOWPAIBOARDLIQIDEVICESCLICKOFABUTTON,1DT,2DTFORELECTRICITY,FUELTANKSSLOWROWPLATEOUT,TOUCHLIMITSWITCHS1,S2ORPRESSURERELAYAFTERAYJORIGINATORSUSPENDEDAT2DTLOSTELECTRICITY,3DTPLATEINTHEFUELTANKPUMPRAPIDRETURN,COLLISIONLIMITSWITCHS3,S4STOPAFTERADT,3DTLOSTPOWERPRESSUREDEVICECLICKOFABUTTON,1DT,5DTINELECTRICITY,THEFUELTANKPRESSUREDECREASEDRAPIDLYAFTERTHECOLLISIONLIMITSWITCHS6DT4INTHEFUELTANKOFSLOWVOLTAGEREDUCTION,COLLISIONLIMITSWITCHS7ORPRESSURERELAY2YJACTION,1DT,4DT,LOSTPOWERTOSTOP5DT;TIMEDELAYRELAYDELAY155MINAFTERADT,6DTINELECTRICITY,ARAPIDINCREASEINPRESSURERETURNEDTOTHEFUELTANKTHISPROCESSAUTOMATICALLY,BUTOPERATORSHAVEREPLACEDMANUALCONTROLPRESSURERETURNEDTOTHEFUELTANK,ANDDELAYFUNCTIONCANBECANCELLEDATANYTIME,LIMITSWITCHS5TOUCHAFTERADT,6DTLOSS,STOPWHENTHEPRESSUREDROPFUELTANKSTOTHELIMITOFS8,1DT,4DTDTMISSING,AND5STOPATTHESAMETIMECANPROCEEDDYNAMICRETURNUNIT3LINKAGECONFIGURATIONTRIALOPERATIONATTHEUNITSTILLEXISTSFOLLOWINGQUESTIONS1ROWPLATECANONLYSQUEEZEONBOTHSIDESOFCOPPERCATHODE,THEOTHERSTILLEXISTSONBOTHSIDESOFTHEPHENOMENONVARY;2DELIVERYVEHICLECANNOTBEACHIEVEDAUTOMATICALLY,THENEEDOFTRACTION;3CANNOTBEREALIZEDFULLYLINKEDUNIT,THELABOURINTENSITYTOADDRESSTHEABOVETESTTHEUSEOFTHEEXISTINGPROBLEMSINTHEPROPOSEDCONFIGURATIONTHINKINGPROGRAMMEFIRSTOFALLFOURSIDESTOMAKECOPPERCATHODECANBEJUSTIFIEDTOSHARETHEUSEOFTHEORIGINALROWPLATEPOLYUQIDEVICETRANSFORMPAIPLATETRACKWILLBETRANSFORMEDINTOAPERIODOFACTIVITYTABLE,DRIVENBYHYDRAULICMOTORROTATIONPROPORTIONALCONTROL;THISROWPLATEPOLYUQICANBEINSTALLEDSEPARATELYINTOAPILEOFCOPPERCATHODESURROUNDINGGROUNDSTOENSURETHATAFTERTHEPACKAGEDINTOTIDYBUNDLESOFCOPPERCATHODEFOURWEEKSSECOND,THEAUTOMATICTRANSMISSIONCARRUNNINGATRANSMISSIONGEARRACK,DRIVENBYTHEMOTORDRIVEUNITORQIDONGMADADRIVEACTIONDESIGN,MATERIALSANDMANUALSORTINGOFTHEWORKCANBESTACKEDCANTILEVERSUSPENDEDWITHTHESUCKERCOMPLETEDUNITSTOACHIEVEAUTOMATICOPERATIONCOPPERCATHODEPREEUNITLINKEDTHROUGHPLCCONTROLSYSTEMTOACHIEVEALINKAGEPROCESSSORTINGMANUALTRANSMISSIONCARDUMPS→FORWARD→WEIGHINGANDWEIGHT→ROWPLATEMOVESTHEFUELTANKOFMOTORDRIVENHYDRAULIC→→ROWPLATEHYDRAULICOILTANKMOVEMENTS→→CONVEYORDRIVEMOTORVEHICLEFUELTANKSADVANCE→PRESSUREPRESSUREPRESSURE→PACKING→RAPIDINCREASEINTHEFUELTANKCARFORWARD→→TRANSPORTATIONOFCOPPERCATHODEABUNDLEHANGINGFROMPILINGUP4CONCLUSIONUNITCONFIGURATIONCOMPLETED,THEROWPLATEPOLYUQIDEVICENEATLYINTOPILESOFCOPPERCATHODEAPPEARANCEATTHESAMETIMEINMAKINGAPILEOFBUNDLESOFCOPPERCATHODEUNDERPRESSURE,COMPACTPACKAGING,KEYINDICATORSMEETTHEDESIGNREQUIREMENTS打包机机组液压系统设计与联动配置摘要介绍了阴极铜打包机机组液压系统和配套装置的设计,以及机组联动配置,解决了原打包机工人劳动强度大,效率低,打包不整齐紧凑等问题。关键词打包机;液压系统;联动配置阴极铜包装是将质检合格品堆放在输送小车上,称重、配重、理齐、打包成垛的工艺过程,目前生产过程中存在着下列主要问题1人工分捡堆垛时未理齐排板,导致阴极铜打包不整齐,影响产品包装外观;2不能在受压状态下打包,造成打包不紧经常散包;3整个过程由人工操作,造成工人劳动强度大、生产率低下。1机组液压系统设计打包机组生产能力为250T/工班,主要由输送小车、排板机构、压力机、打包机构、辅助装置及液压系统等组成。其中四柱液压压力机压力为500KN,排板理齐机构压力为60KN。11工况分析与具体设计要求本机组液压系统控制排板机构二液压油缸同时慢速伸出,即使成垛的阴极铜片挤压理齐,保压延时后快速返回。液压系统同时为四柱压力机提供动力,实现如下工作循环压下油缸快速下降,减速接近经排板理齐后的成垛的阴极铜,加压到设定值此值要求可调后并保压延时,在此压下状态下由操作工用气动打包工具捆扎包装;此后压下油缸快。12元件选择根据所设计的液压系统执行元件动作要求及工业实践,选择主要元件为电磁溢流阀、轴向柱塞泵、电磁换向阀电液换向阀、比例换向阀、分流集流阀对称平衡阀、压力继电器等。13液压元件动作控制设计在控制系统中,设计了如表1所示的电磁铁动作顺序及如图1所示的限位装置,系统执行机构动。14液压系统设计特点慨述该系统具有以下特点1电磁溢流阀的使用,液压泵可无负载起动,使系统经济运行;2采用分流集流阀,双排板油缸速度同步;3选择了额定流量大的控制元件,缩短了动作时间,提高打包机组的工作效率;4压力继电器和限位开关结合使用,保证了系统安全运行。2配套装置设计21排板机构设计排板理齐机构油缸采用法兰与支架连接,活塞杆端部由关节轴承通过销轴和推板组相连;推板和支架间设置了两个导向杆,同时在基础上设置二导轨,由滚轮支撑活动推板。22压下机构设计压下机构参照标准四柱压力机的结构形式,由四根立柱及上下框架梁组成,梁和立柱之间用螺纹连接。上框架梁的法兰通过螺栓和压下油缸端部法兰连接,油缸活塞杆运动时依靠设置在上框架梁的二导向杆导向。活塞杆端部的关节轴承由销轴连接压头装置,压头装置设计时考虑保证在压下状态能进行打包捆扎。23输送小车和辅助装置设计输送小车结构如示意图2所示,行走时由弹簧支撑近2000KG的阴极铜重量,压下油缸压下时通过设置在面板下的立柱支撑在钢制基础上承重。作过程控制描述如下。排板理齐装置。按下一个按钮后,1DT、2DT得电,排板油缸慢速伸出,碰限位开关S1、S2或压力继电器1YJ发讯后停止;此时2DT失电,3DT得电排板油缸快速返回,碰限位开关S3、S4后停止1DT、3DT失电。压下装置。按下一个按钮后,1DT、5DT得电,压下油缸快速下降,碰限位开关S6后4DT得电压下油缸慢速压下,碰限位开关S7或压力继电器2YJ动作,1DT、4DT、5DT失电停止;此时延时继电器动作延时15~5MIN后1DT、6DT得电,压下油缸快速上升返回此过程自动,同时具备操作改为手动控制压下油缸返回,并且延时功能可以随时取消,碰限位开关S5后1DT、6DT失电停止;当压下油缸下降到极限位S8后,1DT、4DT及5DT失电停止,同时可手动返回。3机组联动配置机组试运行时仍然存在以下问题1排板装置只能使阴极铜两边挤压,另两边仍存在不整齐现象;2输送小车不能实现自动运行,需人工牵引;3机组不能实现完全联动,工人劳动强度大。针对上述试车使用中存在的问题,提出配置思考方案。首先为了使阴极铜四边都能进行

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