Úvod do stroje
Traditionally,thefeederisamachinethatusestheforceofthemachinemotiontoapplyforcetothematerialandtransportthematerial.Modernfeedershaveundergonesomechanges,andadvancedtechnologiessuchashigh-pressureairandultrasonichavebeenusedinthefeedingtechnology,butpeoplestillgrouptheseequipmentintofeeder-likeequipment.Feedingequipmentwithahighdegreeofautomationincludes:movingheadfeeder,laserfeeder,highpressureairpressureandcomputerfeedercontrolledbycomputer.Inaddition,aforeigncompanyproducesaprojectionfeeder.Thisequipmentisequippedwithasensorandavisualdeviceonthefeedingtable,whichisusedtoscanthecontourofthematerialorprojectthemateriallinetoguidethefeedingarrangement.
Klasifikace
Podavače jsou obecně klasifikovány: vysokorychlostní válečkový podavač, podavač nového typu, podavač NC, podavač CNC, podavač děrovačů, podavač CNC děrovač, CNCR válcový podavač, CNC automatický podavač. Vzduchový automatický podavač, podavač s vačkovým pohonem, vzduchový automatický podavač (levý a pravý typ posuvu nebo posuv vzduchu).
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 -rychlostní válečkový podavač NCpočítačový podavač silných desek, NC podavač s přesností vyrovnávání silných desek, NC podavač s přesností na počítači.
Pásový podavač
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".
Bucketfeeder
Bucketfeederismainlycomposedoftractioncomponent(rubberbeltorchain),load-bearingcomponent(hopper),headwheelandbottomItconsistsofwheels,drivingdevice,tensioningdevice,casing,etc.Theclosedtractionmembersurroundstheheadwheelandthebottomwheelandistensionedbythetensioningdevice.Ahopperisinstalledatacertaindistanceovertheentirelengthofthetractionmember.Inordertopreventthethrowingofmaterialsandtheflyingofdust,thesemovingpartsareenclosedbyacasing.Whenworking,theexternaldrivingdevicedrivesthetractionmemberandthehoppertorunthroughtheheadwheel.Thematerialentersthebottomofthemachinebasefromtheinletofthemachinebase,andisliftedupbythemovinghopper.Afterreachingthemachinehead,thematerialsareseparatedfromthehopperundertheactionofgravityandcentrifugalforceanddischargedfromthedischargeport.
Podavač šroubů
Podavač šroubůismainlycomposedofaspiralbodycomposedoftrough,spiralbladeandrotatingshaft,bearingatbothends,intermediatesuspensionbearinganddriveThedeviceiscomposed.Whenthespiralbodyrotates,thematerialenteringthemachinegrooveissubjectedtothenormalthrustoftherotatingblade.Theradialcomponentofthethrustandthefrictionforceofthebladeagainstthematerialwillcausethematerialtorotatearoundtheaxis;thegravityofthematerialandthefrictionforceofthegrooveagainstthematerialItalsopreventsthematerialfromrotatingaroundtheaxis.Whentheaxialcomponentofthenormalthrustofthespiralbladeonthematerialovercomesthefrictionforceofthemachinegrooveonthematerialandtheradialcomponentofthenormalthrust,thematerialdoesnotrotatewiththespiral,butonlymovesforwardandfaralongthetrough.
Vibrační podavač
Vibrační podavačismainlycomposedofconveyingtrough,vibrationexciter,mainvibrationspring,guiderod,vibrationisolationspring,balancechassis,Itiscomposedoffeedingdeviceandunloadingdevice.Thevibratingfeederusesacertainformofvibrationexcitertomakethetankvibrateinacertaininclineddirection,therebytransportingthematerialfromonelocationtoanother.
Výhody
Pásový podavač
Pásový podavačisakindofconveyingequipmentwithmatureproductiontechnologyandextremelywidelyused,Hasthecharacteristicsofthemosttypicalcontinuousfeeder,andhasdevelopedrapidlyinrecentyears.Itsmainadvantages:(1)Simplestructure,lightweight;
(2) Flexibilní uspořádání přepravní trasy, široká přizpůsobivost a rozmanitost přepravních materiálů;
(3)Theconveyingspeedisfast,theconveyingdistanceislong,theconveyingcapacityislarge,andtheenergyconsumptionislow;
(4) Lze jej dopravovat nepřetržitě, funguje hladce a nepoškozuje dopravované materiály; operace je jednoduchá, bezpečná a spolehlivá, údržba a opravy jsou snadné a náklady na údržbu a správu jsou nízké.
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.
Nevýhody
Pásový podavač
Themaindisadvantageofbeltfeederisthattheconveyorbeltiseasytowearanditscostishigh(Accountingforabout40%ofthecostofthefeeder);alargenumberofrollingbearingsarerequired;adischargingdevicemustbeinstalledwhendischarginginthemiddle;theordinarybelttypeisnotsuitableforoccasionswheretheconveyingangleistoolarge.
Thebeltfeederhasbeenstandardized,serialized,anditsperformancehasbeencontinuouslyimproved,andnewmodelshavebeencomingout.
Buriedscraperfeeder
Thedisadvantagesofburiedscraperfeederare:theconveyingdistanceandliftingheightarelimited;thescraperchainandthemachineTheabrasionofthetroughisrelativelylarge,thewearpartsaremainlythechainjoints,thebottomplateofthemachinetroughandtheguiderail,especiallywhentheabrasivedust-likematerialsaretransported,thewearismoreserious;thepowerconsumptionislarge;itisnotsuitablefortransportinghighviscosityandhighsuspensionMaterialswithhighlumpsandhighabrasiveness.