倍捻机导丝机构的分析与设计_杨建成-1

265200510JournalofTextileResearchVol.26,No.5Oct.,2005杨建成(,300160)RF321B,,,,;;;:TS103123411:A:0253-9721(2005)05-0040-03Analysisanddesignofthethreadguidemechanismofatwo-for-onetwisterYANGJian-cheng(SchoolofMechanicalandElectronicEngineering,TianjinPolytechnicUniversity,Tianjin300160,China)AbstractTheprincipleofthethreadguidemechanismofatwo-for-onetwisterisstudied.Anewdesignmethodofthethreadguidemechanismofthetwo-for-onetwisterisproposed:syntheticdesigncanbeachievedaccordingtotextiletechnology.Severaldesignformulasofthegearsofthethreadguidemechanismarederived.Illustrativeexampleshowsthattheformulasderivedareright.Thisdesignmethodmaybeusedforreference.Keywordstwo-for-onetwister;threadguidemechanism;gearmechanism;design:杨建成(1962-),男,副教授,博士生主要研究领域包括纺织机械设计机械设计与传动机电一体化技术等,[1]RF321B,;[2,3],,,,,,,,11(a)O(z3,z1),4;Oz4z2z214z2,1424,4,2,711(b)2,4,6,1O,1,,,:tanK=v2Pv1(1),v1;v2();K,,,,,:v2=2BncP1000=BncP500(2),nc(rPmin);B(mm),:v1=PdrnrP1000(3),dr(mm);nr(rPmin)(2),(3)(1):tanK=2BncPdrnr(4)(4),nc,Knr=no,tan€K=2BPdr#…ncno(5)$nc…nc=B(6),€K();…nc;$nc;noO;B,0101~0105(5)(6)221121--,(1(b))2,11,12P24,P6424642434AB:i162=X16X12=X14X12#X16X14=O4P24-O4OO4P24#O4P64O4P24-O4O=1-ex1+ey(7)(7),X16=X6-X1;X12=X2-X1;e=O4O;x=O4P24;y=O4P64x=aPsin541y=bPsin541(8)(8),a=O4A,b=O4B(8)(7):i162=X16X12=1-easin5411+ebsin541(9),(9)1)541=0Pi162=X16X12=X6-X1X2-X1=1(10)X6=X22)541=PP2i162=X16X12=X6-X1X2-X1=1-ea1+eb=r-er+eU1-2er(11),a=r+e;b=r-e;r=OA=OB3)541=115Pi162=X16X12=X6-X1X2-X1=1+ea1-eb=r+er-eU1+2er(12),a=r-e;b=r+e(11)(12)rmei162=X16PX12,3X1X212,12(1):X1=z3z1X0X2=z4z2X0(13)4120055=3i162X1X2,X1X2i1626(),…X6=X2(14)541=PP2,X6:X6max=X2+$X(15)(11):X6max-X1X2-X1=X1-X2-$X6X1-X2=1-$X6X1-X2=1-2er$X6X1-X2=2er(16)X1=z3z2z1z4X2(17)(17)(16):$X6…X6=$X6X2=z3z2z1z4-1@2er(18)(5)(6)):tan€K=2BPdr…ncn0=2BPdr…X6X0=2BPdrX2X0=2BPdr#z4z2(19)212X65412P,412,41,261X65215612PX1X2=z3z2z1z4=ab(a,b),1(1)a,2(2)b,21X1PX2=1115=23P20,123,220,X6220,20,20b,b1031dr150mm,B180mm,€K13b(19):z4z2=Pdr2Btan€K=P@1502@180@tan13b=013022U2583(18):z3z2z1z4=B2#re+1B=01025,rPe=10,:z3z2z1z4=11125z3z1=11125@z4z2=013389U2780:z1=80,z2=83,z3=27,z4=25,r=10e,€KB:€K=arctan2BPdrz4z2=arctan2@180P@150@2583=12196bB=$nc…nc=z3z2z1z4-1@2er=2780@8325-1@210=010241:acb=X1X2=z3z2z1z4=2780@8325=22412000b=2000,2000,:(18)(19),41),2),:[1].[J].,2002,23(4):18-19.[2].[J].,2003,(4):2-6.[3],,.[J].,2002,(4):21-23.42=20055