Въведение в машината
Traditionally,thefeederisamachinethatusestheforceofthemachinemotiontoapplyforcetothematerialandtransportthematerial.Modernfeedershaveundergonesomechanges,andadvancedtechnologiessuchashigh-pressureairandultrasonichavebeenusedinthefeedingtechnology,butpeoplestillgrouptheseequipmentintofeeder-likeequipment.Feedingequipmentwithahighdegreeofautomationincludes:movingheadfeeder,laserfeeder,highpressureairpressureandcomputerfeedercontrolledbycomputer.Inaddition,aforeigncompanyproducesaprojectionfeeder.Thisequipmentisequippedwithasensorandavisualdeviceonthefeedingtable,whichisusedtoscanthecontourofthematerialorprojectthemateriallinetoguidethefeedingarrangement.
Класификация
Захранващите устройства са общо класифицирани: високоскоростен ролков фидер, нов тип фидер, NCролков фидер, CNC фидер, щанцов фидер, CNC перфоратор фидер, CNC ролер фидер, CNC автоматичен фидер.
Planefeeder(inductive)High-speedrollerfeederNCServorollerfeederHigh-speedrollerfeeder+Punchhigh-speedrollerfeederNCcomputerthickplatefeederNCthickplatecomputerprecisionlevelingfeederNCcomputerPrecisionlevelingfeederplane(horizontal)electroniccontrolfeedervariousspecialequipment.
Theabovefeedersarealsocalled:automaticfeeder,high-speedrollerfeeder,newtypefeeder,NCrollerfeeder,CNCfeeder,punchfeeder,CNCpunchfeeder,CNCrollerfeeder,CNCautomaticfeederairautomaticfeeder,camdrivenfeederairautomaticfeeder(leftandrightyawdisplacementtype),airautomaticfeeder(specialfloortype),planefeeder(inductiontype),high-speedrollerfeeder,NCservorollerfeeder,high-speedrollerfeeder+punch,high -speedrollerfeederNCcomputerthickplatefeeder,NCthickplatecomputerprecisionnivelingfeeder,NCcomputerprecisionnivelingfeeder.
Белтфидер
Thegeneralstructureofthebeltfeederismainlycomposedofconveyorbelts,rollers,supportingdevices,drivingdevices,tensioningdevices,unloadingItiscomposedofmaterialdevice,cleaningdeviceandframe.Thebeltfeederisacontinuousfeedingmachine.Itusesaconveyorbeltsurroundingthefrontandrearrollersasthetractionandload-bearingmember.Thedrivingrollersrelyonfrictiontodrivetheconveyorbelttomoveandrunwiththeanimalmaterials.Toachievethepurposeofconveyingmaterials.
Buriedscraperfeeder
Theburiedscraperfeederiscomposedofaclosedshell,ascraperchain,adrivingdeviceandatensioningdevice..Whentheburiedscraperfeederisworking,thematerialentersthebearingsectionofthecasingthroughthefeedport,ispushedbythescraper,andmovesforwardtogetherwiththescraperchainasawhole,andisdischargedbyitselfatthedischargeportofthetrough.Theno-loadsectionofthecasereturns.Becausethescraperchainisburiedinthematerialandmovesforwardwiththematerialwhenitisworking,itiscalled"buriedscraperfeeder".
Bucketefeeder
Bucketefeederismainlycomposedoftractioncomponent(rubberbeltorchain),load-bearingcomponent(hopper),headwheelandbottomItconsistsofwheels,drivingdevice,tensioningdevice,casing,etc.Theclosedtractionmembersurroundstheheadwheelandthebottomwheelandistensionedbythetensioningdevice.Ahopperisinstalledatacertaindistanceovertheentirelengthofthetractionmember.Inordertopreventthethrowingofmaterialsandtheflyingofdust,thesemovingpartsareenclosedbyacasing.Whenworking,theexternaldrivingdevicedrivesthetractionmemberandthehoppertorunthroughtheheadwheel.Thematerialentersthebottomofthemachinebasefromtheinletofthemachinebase,andisliftedupbythemovinghopper.Afterreachingthemachinehead,thematerialsareseparatedfromthehopperundertheactionofgravityandcentrifugalforceanddischargedfromthedischargeport.
Шнекоподаващо устройство
Шнекоподаващо устройствоismainlycomposedofaspiralbodycomposedoftrough,spiralbladeandrotatingshaft,bearingatbothends,intermediatesuspensionbearinganddriveThedeviceiscomposed.Whenthespiralbodyrotates,thematerialenteringthemachinegrooveissubjectedtothenormalthrustoftherotatingblade.Theradialcomponentofthethrustandthefrictionforceofthebladeagainstthematerialwillcausethematerialtorotatearoundtheaxis;thegravityofthematerialandthefrictionforceofthegrooveagainstthematerialItalsopreventsthematerialfromrotatingaroundtheaxis.Whentheaxialcomponentofthenormalthrustofthespiralbladeonthematerialovercomesthefrictionforceofthemachinegrooveonthematerialandtheradialcomponentofthenormalthrust,thematerialdoesnotrotatewiththespiral,butonlymovesforwardandfaralongthetrough.
Вибриращ фидер
Вибриращ фидерismainlycomposedofconveyingtrough,vibrationexciter,mainvibrationspring,guiderod,vibrationisolationspring,balancechassis,Itiscomposedoffeedingdeviceandunloadingdevice.Thevibratingfeederusesacertainformofvibrationexcitertomakethetankvibrateinacertaininclineddirection,therebytransportingthematerialfromonelocationtoanother.
Предимства
Белтфидер
Белтфидерisakindofconveyingequipmentwithmatureproductiontechnologyandextremelywidelyused,Hasthecharacteristicsofthemosttypicalcontinuousfeeder,andhasdevelopedrapidlyinrecentyears.Itsmainadvantages:(1)Simplestructure,lightweight;
(2) Гъвкаво оформление на транспортен маршрут, широка адаптивност и може да транспортира разнообразие от материали;
(3)Theconveyingspeedisfast,theconveyingdistanceislong,theconveyingcapacityislarge,andtheenergyconsumptionislow;
(4) Може да се транспортира непрекъснато, работи безпроблемно и не уврежда транспортираните материали; работата е проста, безопасна и надеждна, поддръжката и ремонтът са лесни, а разходите за поддръжка и управление са ниски.
BuriedScraperFeeder
ThemainadvantagesoftheBuriedScraperFeederare:awiderangeofapplications,awidevarietyofmaterialstobeconveyed,andothercontinuousfeedingequipmentManymaterialsthataredifficulttoconveycanbeconveyedbyaburiedscraperfeeder;thesealingperformanceisgood,andthematerialsareconveyedinaclosedtankwithoutscatteringorleaking.Theyaredustproof,waterproof,anti-virus,andexplosion-proof,whichgreatlyimproveslabor.Conditionstopreventenvironmentalpollution;theprocesslayoutisveryflexibleandcanbeusedformaterialtransportationindifferentdirections;itiseasytorealizemulti-pointfeedingormulti-pointunloading;smallvolume,smallfootprint,andcanbeusedinarelativelynarrowworksite;transportationprocessThereisbasicallynorelativemovementbetweenthemiddlematerialandthescraperchain,sothedamagetothematerialissmall;theinstallationiseasy,theoperationandmaintenanceareconvenient,andtheoperationissafeandreliable.
Недостатъци
Белтфидер
Themaindisadvantageofbeltfeederisthattheconveyorbeltiseasytowearanditscostishigh(Accountingforabout40%ofthecostofthefeeder);alargenumberofrollingbearingsarerequired;adischargingdevicemustbeinstalledwhendischarginginthemiddle;theordinarybelttypeisnotsuitableforoccasionswheretheconveyingangleistoolarge.
Thebeltfeederhasbeenstandardized,serialized,anditsperformancehasbeencontinuouslyimproved,andnewmodelshavebeencomingout.
Buriedscraperfeeder
Thedisadvantagesofburiedscraperfeederare:theconveyingdistanceandliftingheightarelimited;thescraperchainandthemachineTheabrasionofthetroughisrelativelylarge,thewearpartsaremainlythechainjoints,thebottomplateofthemachinetroughandtheguiderail,especiallywhentheabrasivedust-likematerialsaretransported,thewearismoreserious;thepowerconsumptionislarge;itisnotsuitablefortransportinghighviscosityandhighsuspensionMaterialswithhighlumpsandhighabrasiveness.