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1、技师论文(终稿) 技师论文(终稿)xxshandongmaintenanceelectricaltechnicianprofessionalpaperBasedonthePLC'ssealingmachine,thefrequencysavingenergyischangedControlsystemdiscussionStudentname:mengfanUnit:aclassofmaintenanceelectricianinshandongcoaltechnologycollegeAdvisor:zhangqingguo,langna
2、vy,xuehuiDate:MayxxBasedonthePLC'ssealingmachine,thefrequencyenergysavingcontrolsystemisdiscussed--author:mengfan【abstract】:Thesealingmachineisthemachihatsealsthecontainerafterthecontainerisdressed.Withtheimprovementofproductionandlivingstandard,thesealingmachineinChinahasd
3、evelopedrapidlyinrecentyears.Byreferencetointernationalsametypeproducts,onthebasisofthedigestion,absorption,selfdevelopment,technologyhadtheverybigenhancement,butinthenewandhightechnologyandnewtechnologydevelopmentandforeignandlargegap,suchastheautomationofthewholemachineis
4、nothigh,somealsouselargeamountsofrelaycontrolsystem,energyconsumption,timeconsuming,workisnotsafeandreliable.Thisarticlefromtheaspectsofenergysaving,timesaving,humanizeddesignthree,apexautomationtrolequipment,PLCandfrequencyconverterisusedfortransformationofpreviousrelaycon
5、trolsystem,soastopromotethedevelopmentofthetechnologyupdates,faster.[keywords]:S7-200PLC,inverter,sealingpackagingmachine,temperaturecontrol,solidstaterelaySSRProjectbackgroundandanalysisTheprocessflowofthesealingpackingCombiningtheabove,itsprocessincludesthefollowingsteps:
6、 (1)connectedtothepowersupply,thesealingpackingmachineagenciesbegantowork,electricheatelectricheatingelement,makeupanddownheatingblocksrosesharply,andthroughtemperaturePIDcontrolsystemtoadjusttotherequiredtemperature,embossingwheelrotation,aordingtotheneedofthecoolingsyste
7、mtowork,conveyorbelt,andthecontroldevicetoadjusttotheidlestate. (2)whenequippedwithgoodspackagingisthefront-endequipmenttransportedtothesealingpackingmachineconveyorbelt,bagsealingpartsthroughtheguidegrooveHisautomaticallyintorun,betweenthetwosealingwithFEandintotheheating
8、area,heatingblocksofheatthroughthesealingbelttransmissiontothethinfilmbyhotmeltsea
