双击冷镦机使用手册

OperationInstructionsofhigh-speed

AutomaticDouble-blowColdHeader

SHIXIENTERPRISEORGANIZATION

★★

CONTENTS

PREFACE……………(3)A、Userangeandperformanceofcoldheader……………(4)

B、Maintechnologyspecificationsofcoldheader……(4)

C、Structureandtransmissionofcoldheader…………(5)D、Structureintroductionofcoldheader………………(5)E、Lubricationandelectricityofcoldheader………(7)F、VariousmembersAdjustmentofcoldheader…………(8)

Adjustingoffeedingmechanism……………(8)

Adjustingofcuttingmechanism……………(9)

Mountingofcuttingknifeanddiecavity………………(11)

Adjustingofpunchanddiehorizontalposition………(11)

Adjustingofknockoutmechanism…………(12)

Adjustingofpunchbigslide………………(14)

Adjustingofpunchliftmechanism………(15)

Pointsforattentionaboutusingheader………………(17)

PREFACE

Fastenerisacommonusepartofalltradesandprofessionsofnationaleconomy.Shixicompanymainlymanufacturevarioushigh-speedautomaticcoldheaderandthreadrollingmachineformanyfastenermanufacturers.

Shixicompanyfoundedin1980,itwasorganizedasShixiEnterpriseOrganizationin1991.Now,theOrganizationisaunitedeconomicleaguerbodydealingwithresearching、developingandmanufacturing.In,itobtainedtheinternationalattestationofISO9001,In,ShixiEnterpriseOrganizationwasawarded“high&newtechnologyenterprise”bythescience&technologybureauofGuangdongprovince.Atthesametime,Shixi’s2die3blowpartsformerobtainedspecialclassprizeofwholenationtrades.

Inordertomakethingsconveniencefortheuser.Ourcompanyeditedandtranslated《OperationInstructionsofHigh-speedAutomaticDouble-blowColdHeader》.

This《operationinstructions》includesmainperformance&technologydata、structure&operationprinciple、usemethodandadjustment、maintenance、troubleeliminationandsoon.

This《operationinstructions》issuitablefor2D3B、SX-20A、SX-20B、SX-5A、SX-K20A、SX-K5Atypecoldheaderthatourcompanymanufactured.

Becauseitispressedfortime,andtranslator&editorarelimitedbylevel,incorrectexpressionarehardtoavoid,wehopeyou’llnotspareyourcomments.

Editor:ShixiEnterpriseOrganizationDongguanGuolingmachineryCo.Ltd.

Translator:GuangdongScrewMachinerySellingCompany(SWH)CHINA.

May.18,

Userangeandperformanceofcoldheader

Coldheaderisamachinethatmanufacturevariousshapesblankofbolts、Screwsandrivetswithhighqualitywirerod.Themanufacturingprocessisfullautomaticfromfeeding、cutting、transferring、headingtoknockoutblank.

（highqualitywirerodisamaterialthatheadedboltsscrewsandrivetswithoutcrack.）

Maintechnologyspecificationofcoldheader

Model

2D3B-XP1

SX-20A

SX-20B

SX-K20

SX-5A

SX-K5A

Max.cutoffDia.(mm)

Ø7.5

Ø6

Ø6

Ø6

Ø3

Ø3

Max.blanklength(mm)

80

50

60

50

25

25

Stroke(mm)

90

80

90

80

40

40

ProductionSpeed(pcs/mm)

75-150

110-130

110-130

65-100

170-200

110-170

FirstDieDia.(mm)

Ø35X100

Ø35X67

Ø35X75(withsteps)

Ø35X67

Ø20X35

Ø20X35

seconddieDia.(mm)

Ø40X100

ShearDieDia.

Ø19

Ø19

Ø19

Ø19

Ø13.5

Ø13.5

FirstpunchDia.

Ø32X58

Ø32X45

Ø32X45

Ø32X45

Ø18X34

Ø18X34

SecondpunchDia.

Ø32X58

Ø32X45

Ø32X45

Ø32X45

Ø18X34

Ø18X34

ThirdpunchDia.

Ø32x85

Mainmotors(km)

3

3

3

3

1.1

1.1

Oilpump(w)

180

180

180

180

180

180

MachineWT(kg)

2900

1800

1800

1800

500

500

OverallDimension(cm)

172X120X150

221×125×140

221×125×140

240×125×140

140×75×85

150×75×85

(Notes:2Die3BlowPartsFormerSeriescanalsomountsuchas:computercontroldevice、brakesystem、P.K.O.device.Stripperdeviceandsoon.)

Structureandtransmissionofcoldheader.

Structureintroductionofcoldheader

Aheadingmachineconsistsofmanymembersasfollows：

Wirerodstraighteningdevice

Feedingdevice

Stoppingblockdevice

Cuttingandtransferringmechanism

Punchliftmechanism

Upsettingmechanism

Knockoutmechanism

Transmissionsystem

Whencoldheaderworking,thewirerodthatputinthewirestockviastraighteningdeviceconsistedof5rollers,thenviapressblankwheels,wirerodiscontinuouslytransmitteduptostopblockdeviceandcutoffbyshearingknife,thentransmittedtodiecavityhole(headedposition)byshearinglever.Itisformedintoconeshape(i.e.neartofinishedproduct)byinitialpunchofthepunchbigslide,thenusingprecisepunchformintorequiredheadshapeoftheproduct.Finallytheproductknockedoutbyknockoutdevice,anddropintoproduct-box.Thisisfullprocessofheadingoperation.

Operationofheadingmechanismisdrivenbybeltpulleyofmotor&crank,andcarryingconnectlever,andviapistondrivingbigslide.Operationofothermechanismisdrivenbycamshaftoreccentricdevice,rotatingofthecamshaftiscarriedbymatedgears(driveratioi=1:2)andcrank.

Feedingmechanismmainlyconsistsoftwoparallelshafts、connectingleverandfeedingrollers.Eccentricwheelcarryingswingpartandthepawldrivingratchet,ratchetdeviceisdiscontinuouslymadetofeedwiretoheader.Thefeedinglengthisdecidedbyeccentricityofeccentricdrivingwheel.

Shearingoperationisfinishedbyshearingknife,shearinglevercarryingshearingknifetodoreciprocatingremove,itisfinishedbyslideofshearingdevicedrivingrollerinchute.BecauserollerinchuteputononeendofshearLever,slideisdrivenbyeccentricsmallshaftofrotatingdiskofcamshaft.

Headingoperationofpunchisfinishedbyupanddowntwopunches,andpreforming&finishupsettingtoblankinturn.Upanddownremoveofpunchliftslideisfinishedbyliftcamcarryingliftbigplate、liftswingpartsandliftplateofpunch.

Afterheadingfinished,theheadedhalf-finishedproductisknockedoutbyejectorpinindiecavity.Oncethisheadingprocesshasfinished,nextheadingprocessstartrepeatly.

Headingspeedisdecidedbyfinishedproductlength.Beltpulleyofmainmotorhavetwoclassbeltgroove.Ifheadingshanklengthismorethenmediumlength,youshouldselectlowerspeedbeltgroove.

Lubricationandelectricityofcoldheader

Lubrication

Ourheaderlubricationusehighpressureinject-typelubrication,i.e.lubricatingoilflowingfromhighpressurepumpforcedlyinjectintoalllubricantpoints.Thus,oilfilmbetweenrelativemotionpartscankeepinlongtime,however,goodfilmcanbekeptbyoilcontinuouslyflowingandreplacingofoil.

Thus,mechanicalimpuritybetweenmotionpartsarecontinuouslyclearedaway,machinelifeisprolongedgreatly,andasoilfilmhavecushioningeffect,lowernoiseofourheadermakeoperatorfeelingwell.

Fewoffrictionalpointsthatcannotautomaticallyinjectlubricatingoilstillrequirelubricatingwithoil-can.

Headerisequippedwithunrefinedoilfilterandrefinedoilfilterinoilroute,itneedoftentocleanforkeepingcleannessofmobileoil.

Mobileoilisusually20#or30#industrialmineraloil.

b)Electrocircuitdrawing

Variousmembersadjustmentofcoldheader

Adjustingoffeedmechanism

Rotatingadjustscrewrodbeingcapableofremovingeccentricslide,thuscanadjustfeedinglength.

Iffeedingrollersaretooloose,youcantightencompressionspring,iffeedingrollersaretootight,youcanrotateproperloosecompressionspring.

Adjustingofshearmechanism

Whenheadingshanklengthisdifferent,first,needadjustingstopblankdevice,ifshankofthepartislonger,stopblockisadjustedtofarfeeddieholderdirection,otherwise,stopblockisadjustedtonearfeeddieholderdirection.

Ingeneral,adjustofshearmechanismismainlyforadjustmentofshearadjustdisk.Ifshankofthepartislonger,shearadjustdisktowardanticlockwiserotating,ifshankofthepartisshorter,shearadjustdisktowardclockwiserotating.

Whenadjusteccentricshaftposition,oughttonoticeaftercuttingoffblank,theblankshouldbeaccuratelytransferredonaxiallineofdiecavityhole.

Whileblankisthrustindiecavityhole,shearknifemustleaveintimetoavoidcollidingwithpunch.Particularly,whenheadingshorterblank,oughttonoticetheaccuracyofadjustingretract.

Accordingtoaccumulateexperiencetoadjusteccentricshaftpositionofsheardisk,aftercompletingtheadjustment,don’tstartonoperationatonce,youshouldturntoflywheelwithironstickformanycircles.Onlywhenyouthinkthemachineisundernormalconditions,youcanstarttheworking.Whenadjustingshearknifeposition,youcansimultaneouslyadjustgrooveofshearleverandadjustscrewsocket.

Mountingofshearknifeanddiecavity

Adjustinghorizontalpositionofpunchanddie

Whenhorizontalpositionoffirstandsecondpunchdon’tcoincidewithheadingaxleline,needturninglooselocknutandbolt,leadpunchtoremoveinhorizontaldirection,whenoncereachingtherequiredposition,tightenthelocknutagain.

First&secondpuncharefixedwithlockboltofdraggingpunch.Ifyoutakeoffpunch,onlyneedturningloosenutoflockbolt.

Adjustingofknockoutmechanism

Whenheadingproduct,asshanklengthisdifferent,thusknockoutmechanismshouldalsohaveappropriatestroke,accordingtoshanklengthoftheproducttoadjustthestroke.

Whenadjustingknockoutmechanism,firstturningflywheeltocarrycamshaftandcam.thecamthatisinminimumradiuspositiondrivingroller,therollerdriveejectorpintripodandknockoutsliderod.Adjustboltofknockoutsliderodendtodriveejectorpinswingpart,knockoutsliderod、ejectorpinandotherpartsaughttoclosetogether,itcannothaveanyclearancebetweentwoparts.Thistime,youinsertrequiredblankintothediehole,thenusingspecialsamplerandmeasuringtooltomeasuretheblanklengththatstretchoutthediesurface.Whenyouthinkitconformwiththedemands,limitedscrewisturnedagainstejectorpinswingpartandislocked,thenadjustboltisturnedinanoppositedirectioninhalfcircle,maintainingalittleclearancebetweenadjustboltandejectorpineswingpart,thenfasteningadjustbolt.Afteryouthinktheadjustmentisappropriate,turningtheflywheeltoknockouttheblankfromthedie.Whenturnuptomaximumknockoutposition,payattentiontoejectorpinswingpartwhethermakecamtopunabletoturnroundtheroller.

Ifhappenthiscondition,adjustboltshouldbedrawback,andincreaseclearancebetweenadjustboltandejectorpinswingpart,tomakecamregulartorevolve.Aboutadjustbeginningknockouttime,aftercamsawtoothplateshouldberevolveuprequiredbeginningtime,fixingthecamsawtoothplate.

6)Adjustingofpunchbigslide

Whenmanufacturingproductofdifferentdiameterordamagingdieandtool,needreplacingthedieorpunch.Replacingpunchmustadjustforshaftpositionofbigslideundernormalconditions.Butclearancebetweendieandpunchmustbemoderatesize,makingmachineabletorunnormally.

Ifyouwanttoadjustbigslideforwardneartothedie,firstreleasesmalllocknutandpistonlocknut&bolt,thenturningadjustscrewsocketandmakingittogoup,bigslidecanbeadjusteduptorequiredposition,thentighteningscrewrodfixingnut,finally,retightenbiglocknutandpistonlocknut.

Ifyouwanttoadjustbigsliderearwarddepartingfromthedie,usingthesamemethod,firstreleasesmalllocknutandpistonfasteningnut&bolt,thenturningadjustscrewsocketandmakingittogodown,thistimethereisaclearancebetweenbigslideandpiston,thentightenpistonfasteningboltforeliminatingtheclearance,finallyretightenbiglocknutandpistonlocknut.

Bigslideisadjustedtowardsthefrontortheback,undernormalconditions,operatorisunabletofinishinonetime,needgraduallyadjustingfortwoorthreetimes.

Adjustingofpunchliftmechanism

Springframeofliftmechanismmountsintherighthandsideofcoldheader,itadjustedwellasleavingthefactory,thus,operatorneednotadjustittopreventmessingcausedbyunskilledoperation,makingmachineunabletoworknormallyordamagingthemembersofmachine.Infact,whenourcoldheaderputintouse,ifneedadjustingpunchliftposition,onlyrequireaverylittleadjustment,mayonlyadjustup&downlimitedbolt,neednotadjustingthepartsofspringframe.But,inordertooperatorunderstandsworkingprincipleofspringframeofliftmechanism,forthisreason,weonlytellyoutheworkingprincipleaboutit.

Twolifttouchrollersofspringframearedrivenbycamoninsideofcamshaftgear,thespringframeisslidinfrontandbackunderlimitationofliftbigcopperslideplate.Whenremovinginfrontward,traverseratthecenterofspringframedrivespring,thespringdriveliftspringlongjacket,theliftspringlongjacketdrivetwolockcircularnuts.Throughscrewrodcarryingslide,theslidecarryingliftswingparttomakepunchslideplatetogoup.Whenrisingpunchislimitedbylimitnut,thespringframecontinuouslyremovetowardsthefront.Thistime,thespringiscompressedbytwosmalllocknutsandliftspringlongjacket,becauseliftswingpart、slideandscrewrodareallinquiescentstate,therefore,whenadjustingsmalllocknut,neednotexcessivelycompressingthespringtomakethespringtoloseelasticityforfatigue.

Whenspringframeremovesinbackward,thebigplatetailscrewsocketdriveliftspring,theliftspringdrivesliftspringshortjacketandlockcircularnut.Throughscrewrodcarryingslideresultinliftswingparttoswingindownward.Thistime,punchslideplateremovesindownward,uptotouchwithlowerlimitedboltofpunch,thespringframestillcontinueremovingrearward.Atthistime,liftswingpart、slide、shortremovingjacketandscrewrodareallinquiescentstate,thespringiscompressedbybigplateendscrewedsocket,soyoushouldproperadjustbigplatescrewsocket.

8)Pointsforattentionaboutusingheader

Beforestartingamachine,firstturningflywheelbyhandsorpushing“pointstarting”pushbutton,makingflywheeltorotate2circles,ifthemachineisrunningwell,youcanstartthemachine.Firststartingoilpump,thenstartingmainmotor,atsametime,theplacewhichcannotautomaticlubricateinjectoilbyoil-can.

Afterstartingthemachine,youneedwatchingwhetherthereisenoughfeedinglength(i.e.feedingwirerodwhethergetintouchwithstopblock),ifcannot,firstcheckingwhetherfeedingrollersaretooloose,ifso,youshouldproperpress&tightthespring,ifnot,youshouldcheckandfindanothercause.

Youshouldcheckblankwhetheraccuratelythrustinthediehole,ifnot,needgoingonadjustmentforshearin