吹瓶机基本知识 051022

1吹瓶机基本知识2005.10.222目录:一.吹瓶过程1.吹瓶机–工艺流程图2.机器操作步骤:3一.吹瓶过程1.吹瓶机–工艺流程图4吹瓶机示意图:5功能介绍表(SIDEL)6机器介绍(KRONES)1.Blowmodule2.Heatingmodule3.Blowingstation4.BlowingWheel,infeed/dischargestarwheels5.Infeedstarweel6.Mandrelchain7.Controlpanel8.Controlcabinet9.Waterconditioning10.Pneumaticcomponents11.Airconveyor12.Heaters13.Electrical14.Airsupply15.Watersupply,admission/return16.Preforminfeedrail17.Preformunscrambler18.Preformsteepconveyor19.Preformhopper20.Preformdumper72.机器操作步骤:上胚瓶胚经过料斗,上胚皮带,被送到整理器的顶部,经过整理,成直线状排列,进入上胚导轨.经过入胚星轮,瓶胚被送入加热炉的芯轴.加热和平衡经过加热炉,瓶胚被加热到90-115°C.加热时,可单独调节可调红外线光管的加热百分比.Thisisachievedwithindividuallycontrollableinfraredtubularradiators,arrangedinninelevels.Thisarrayallowstemperaturevariationonthepreform.Thistemperatureprofileensuresthepredefinedmaterialdistribution,i.e.,thebottlequality.Topreventoverheating,theexteriorofthepreformiscooledwithfans.Topreventdeformation,thesensitiveneck-finishareaisprotectedbyawater-cooledshield.Inaddition,cooledairisalsoblownattheneck-finisharea.Theheatingprocesstakesapprox.20seconds.Afterwardthepreformspassthroughanequilibrationzoneforoptimaldistributionoftheheatinthepreform.Thenastarwheeltransfersthepreformstotheblowingstations.8延伸-吹瓶过程:Afterthepreformenterstheblowingstation,thebasemouldisraised,andtheentiremouldisclosedandlocked.Theheatedpreformsareheldandfixedinplaceinthemouldbymeansoftheneckring.Thispreventsdeformationoftheneck-finish.Evenwhilethemouldisbeingclosed,theblowingnozzledescends,thestretchingrodmovestowardtheendcapforstretching,andafterabriefdelaythepre-blowingairflowsin.Thedurationofthedelaydeterminesthethicknessofthematerialinthebottlebase.Dependingonthepreformandbottletype,thepre-blowingpressureis7-16barandlastsbetween0.2-0.7seconds,dependingonthebottlesize.Attheendofthepre-blowingphase,thebottleisalreadyfullyshapedandmaterialdistributionisfinished.Thefinalblowingphasenowbegins,producingthefinestcontoursofthebottleandpressingthematerialagainstthecoldmould(approx.10°C)forcooling.Thehigherthepressure,thebetterthecoolingeffectandtheshorterthecoolingtime.Thepressurerangesbetween30—40barandismaintainedforapproximately2seconds.Afterwardthestretchingrodisretracted.Beforethemouldisopened,thepressureinthebottlemustbereleased.Dependingonthepressureandbottlesize,thistakesbetween0.2—0.6secondsandisbaffled.Afterthebottleleavesthemould,itwillshrinkwithin72hoursby1%-2%.Thisprocesscanbeshortenedby5—15minutesbypreheatingthemould(60—70°C).9瓶子取出:ThebottlesaretakenbythedischargestarwheelThebottlesaretransferredtotheconveyorsystem.10瓶胚和瓶子的机械手机械手瓶胚机械手Thepreformsarefedviaachuteandsteepbeltconveyortothetoppartoftheunscrambler,wheretheyareseparatedandthenslide,withtheneck-finishfacingup,intotheinclinedinfeedrail.Aftertheinfeedstarwheelthepreformsaretransferredtothemandrelsoftheheatingmodule.Foroptimaltemperaturedistribution,thepreformsrevolvearoundtheirownaxis,astheypassthroughtheheatingzone.Afterpassingthroughtheequilibrationzoneforoptimalheatdistributioninthepreform,astarwheeltransfersthepreformstotheblowingstation.瓶子机械手Aftertheblowingprocessthebottleistransferredtothedischargestarwheel.Theblowingprocessiscontrolledbyapressurecam.Goodbottlesaretransferredtotheconveyorsystem.Faultybottlesarerejectedintoabin.11