US2369606A - Winding frame - Google Patents

Description

Feb. 13,'1945. w. REINERS ET L WINDING FRAME 6 Sheets-Sheet l Filed March 12'?, 1941 Feb# 13, 1946. W. REINERS'ETAL 2,669,606

WINDING FRAME Filed March 1s, 1941 6 sheets-sheet 2l Feb. 13, 1945. W RElNERS ET AL 2,369,606

WIND'ING FRAME Filed March 13, 1941 6 Sheets-Sheet 3 Feb. 13, 1945. W. RElNtERs ET AL WINDING FRAME 6 Sheets-Sheet 4 Filed March 13, 1941 Feb. 13,'1945. w- REINERS ET AL' WINDING FRAME 6 Sheets-Sheet 5 Filed March 13, 19511 aus @kN \||.I n QQ @N Il v v ...w mm ,Q n? J v c l O Nm o o .w Q i n S 5M. Q K w m .www QN .n

F eb; 13, 1945.

W. REINERS ET AL WINDING Filed March 15, 1941 FRAME 6 Sheets-Sheet 5 l 1 1 l 1 1 l l "Patented Feb. 13, 19.45

l 2,369,60el f f f LWINDING FRAME.

i i Wilhelm Reiners' and' WalteriReiner's, (Srladbaclxf` i Rlieydt;.GustavaKahlisclLf-Rheydt, and Stef-an Frst, Gladbach-Rheydt; Germany; i vested in the Alien PropertyfCustodian y .ApplicatibnMarch13, 1941, Sieri'allSlo.'3833814" l In.GermanyAuguStf9',1939-Q .I'Tfhe ioperationswhichsgtake 'place'fat the'exlchange of. bohhlnsin a winding machine call for thefstarting andexecution of'ariumberof manipmations, for Whicnspecial" accumulators, of` force fand atppurtenarices, Y` in the 'form of springs,

ton, after' the' pvressui'pftiie duid medium-behind the pistonliay decreased, and'theieloylpushesthe 'spinmeagai to' 'the appurteiant taiistoeiz.

By this "special constructionl a considiable simpliiCattlandl acceleration 'of the bobbn changing is`'att'airiecll` also the production of tubeless cops. VIn order" to"facili`tate the r`e= knotting of broken thi'eadlends, n conformity wituf'this acceleration; and in voiiiei to save time,

the invention 'provides'ffirther'details which'assist the-"retraetioii ofthe ytimeless 'cop from theA winding 'funnel 'and the iinol'in'gL of 'the' broken thread end at the cop pointV and further' 'ensure against" a' premature initiation. of -tiie bobbin changing manipulations, which might otherwise occur` asl 'a result 'of the bobbi'n i'nov'eirientsl neceSSaIy for finding-and knottg the" thread "anti the 'like' Y"According to the invention the slow retaneouslybut must also overcomelappreciable rel ,l

. sistances' up to the starting' ofi` the desired Inovemeritsy f' l .Q

' The invention starts,` thereiore, from thevv idea: to automatically accumulate 'and keep readyfthe last, mentioned force, onthefon'e hancLgbut-so that yits effect can be cutout directly atanytiine', and, onthe otherjhand", to derive theremaining bobbin changing manipulations substantially'vfroin this force. According to the invention thisvisf attained by takingthe force yrequired' for the 4loo'bloinglclianging, from a fluid medium, and` a" controll element' at zst iniiu'enced'alone hy' this* medium, later controls the otherfbohbin changinginanipuvthread vfri-tithe beginning of trie 'buil "fresh tubeless'f cop is yirripioved" ac verse rotation of the bobbin frliiding'the'thread', known cross,-ivifndngV f'ra'rnes is onel of the manipulations utilized; r Also the holding of the starting ndof" the dingfup" of a Y eine tothe invention, inthat the t'afil'stockv is` equipped with notohe5f"extnding Qlliquely to 'its axis andA the winding" unneli th 'an auxiliary threadi-guide which Swings'tiietueeaci-te position in freut of flations; The resistance opposedat' the beginning to the bobbin changing; i's accounted f or' according te the invention, by placing, inermi-i mediamenderincreased. pressure',. beforev it becomesfeflecftive. Any., known liquid.y or gaseous mediummay be 'used as the Ailuclime'dfiurn. o

` In 9;.panticular`app1`ct`n of' the idea of the invention, to' winding frames. in which.Y the windiingy spindle extends through; the c'opto. be'fbuil't 11p, or' through thetubekonwhich theqsai'ne is wound; the winding' 'spi1`idl'eisA equipped atv one jend, with a pistonwhich; moves' tofand fro in Ya 'cylinder to which the'vflui'd medium supplied. jA. b'ohbin exchange control mechanism is'pvro'- the funnel and therebyhriii'g'sitlintothe: rangeof tiieinotehes; i Y 4 the original solution of the problem a sepa; rate reserve".odeliveri'poit of the fluidmediurn was provided, for each winding point. 'In the fur. thercevelpment of tlieida 0T the invention cnsidlefietb'lt siinplic'atio'ri ifit' or'ls'trcton'of the' whole machine Wasfou'hcll to he possible, if acorn@ mon reserve and I delivery point for the flui'd medium iscoordinatedito thel winding points, or groupsoi winding-points; 'and' each'` wind.; ing" point is ev l'iitipi'ed- 'wthffa" piston compressor;v which stai *to ope1"a`,fte atthe4 lieg-inning 'of the bobbin changing,ad clus'esf a pressure in-v crease o f l the rnedirn toi berlijn-1e effective againstfthespiidiepiston. The finie medium can then also loeijendered .useful through correspond# inglsbraneheoiiduits for eentiriueiieiypressing the vided comprising' an actuator-- located inthe path v of movementoi" saidn piston. andi shiftable inthe -directiolci of the axis the.cylnder,`andj hingedly connect'ed with a control' rod' which controls the various' boblfiin'n exchangingmanipulations. l This the vbobbn vexchange control mechanism, which may` be held in` its initial position io'rjr instance by special form offers' theqfurther advantage, Ithat The use' of flowingl niediai'n thev winding frames ledv furtherY to the lKprc'ipositi'on of providing blowing' ar'ifangernen't's at; each winding point,

lsai'd' arrangements preventingi'tli'e collectingiiof uiting east; partieuieriy disagreeamein rapidly preventing overheating of certain machine elements.

When using gaseous owing media these media may be used according to the invention for the blowing arrangements as well as for the source of power. The invention provides further that the blowing pressure at the initiation of the bobbin changing is temporarily increased, so that the gas, for instance the air taken from a'general service-conduit for air under pressure, blows the corresponding points impulsively. x

In order to further improve the cooling of certain machine elements and to make it possible to employ higher winding speeds also in funnel winding frames, the jacket of the winding funnel has, according to the invention, a special heat transmitting shape or it is made of material of good heat conductivity. With the same object in view the winding funnels may be equipped, according to the invention, with longitudinal, transverse or spiral-shaped cooling ribs or the like, whereby a better cooling is attained-' The winding funnel may furtherbe surrounded, according to the invention, by a double wall and in the hollow space thus` produced may be fprovided with no cooling ribs, or with very short cooling ribs. Finally, closed passages may be formed by the ribs, in double wall winding funnels according to the invention, whereby also a cooling with cooling liquid is rendered possible.

Several embodiments of the invention are illustrated by way of example in the accompanying drawings, in which Fig. 1 shows a winding point in vertical section, v

Fig. 2, two neighbouring winding points in top plan view, the cover of the casing being removed,

Fig. 3, interengaging parts of spindle and tailstock in side elevation,

Fig. 4, the tailstock part in front view,

Fig. 5, a diagram of the bobbin changing manipulations,

Fig. 6, another construction of a winding point in vertical section, all parts not necessary for the explanation being omitted.

Figs. 7 and 8, sectional views of the main valve shown in Fig. 6, in two different positions,

Fig. 9, another form of construction of a winding point in vertical section,

Fig. 10, a simple winding funnel in axial sec; tion,

Fig. 11, a winding funnel with cooling ribs, also in section,

Fig. 12, an axial section through a jacketed winding funnel with cooling ribs on the wall, with admission and discharge conduits for the cooling medium,

Fig. 13, a corresponding section through a jacketed winding funnel with separated passages,

Fig. 14, the winding funnel as `shown in Fig. 13 in -end view, and Fig. 15 shows a view of a tube surrounding the winding funnel.

Similar parts are designated by similar refer.- ence numerals in the different embodiments of the invention.

On-the transverse girders I, 2 of the winding frame (Figs. 1 and 2) the individual winding points are xed side by side, by means of their casings 3, and in .any desired number. .The casing walls serve as bearing carriers, oil containers or oil sump and so forth, as usualin such constructions, and they are closed at the' 4top by covers 4. A shaft 5 serves as source of,power for all winding points. The tubeless cop K which is to be built up is wound directly on,the

tas

wheel 2U.

front end 6 of the winding spindle 'l between the winding funnel 8, the foot of which may be screwed into the casing 3, and the shiftable tailstock 9. Rods` I0, II serve for guiding the tailstock 9 and certain feeding elements, said head sliding on the rods by means of bushes I2 and I3. The winding spindle 1 is ydriven from shaft 5 through the intermediary of a gear wheel I4 meshing with a gear wheel I5 equipped with an inner cone, the hub of gear wheel I5 being mounted on a long bush I 6 serving at the same time as journal for the spindle 1. A clutch sleeve I8 revolves together with the bush I6 being slidably connected thereto by a spline Il. The bush I6 also has xedly keyed to it by a key I9, a gear One end of sleeve I8 forms a clutch cone 2I and its other end a ange 22. The clutch cone 2l engages under the action of a spring 23 with the inner conical surface of gear wheel I5.

A thread guide 30 is moved from the gear wheel 20 by a gear wheel 25, shaft 26, crank 21, rod 28 and oscillatable arm 29. The thread guide 30 moves to and fro in front of a lateral slit of the winding funnel 8. During the laying of the thread layer in process of formation, the growing cop K is pressed into the winding funnel 8 by a pull rope 3I attached to the slidable bush I2 and tensioned by means of a weight 32 or the like. The cop can `be. pulled out of the funnel, for instance when a thread breaks', by a handle 33 pivotally mounted von bush I2 and provided with an eccentric clamp surface to cam against the rod I0, for securing the bush I2 in any desiredv position thereon. The winding spindle 6 together with the cop K can follow this movement without diiculty, as its end 34 bears a piston 35 which slides in a cylinder 36 as the spindle 1 slides in an inner ring 3l of the driving bush I6. A guide groove 38 receives a key of ring31v to maintain the driving connection be' tween main shaft 5 and winding spindle 6, 1,'when the clutch I5, 2I is engaged.

The front end of winding spindle 6 or the bottom end of the cop K bears against the tailstock 9 in a specially constructed counter-cone 39, as shown in Figs. 3 and 4. This counter-cone 39 has three notches 4Ia, 4Ib and 4Ic cut obliquely to the axis of the spindle, the thread F being adapted to be caught in theapexes of two adjacent notches and clamped in the bore 4I) of the cone when the spindle 6 is pushed in. This form of construction presents further the advantage, that the threadis centered also when the countercone does not revolve. For receiving a nished cop and for severing the thread theusual tipping tray 42 and scissors 43 are provided. The stop motion 44 is connected by a rod 45 with a short oscillatable arm 46 adapted to be thrust against the flange 22 to release the clutch I5, 2| when the threadbreaks.

A control rod forms part of a control mechanism for energizing several devices concerned with the exchange of cops. Thecontrol rod 69 is connected by a lever k62 with a sliding rod 63 in the cylinder 36, the contact and guiding head B4 of said rod being adapted to be shifted against the action of a spring 'I0 in a manner which will be hereinafter described. A control rod 6I fixed at one end to the slidable bush I 2 gradually moves to the right as the cop grows. It carries at the other end a small tipping lever |55,v which arrives in the position shown in Fig. 1 as the cop approaches full length and there engages two levers 66, 61. The lever 61 controlsby a shaft 68 a con- .controlling abutments in'rigs. 110415 als-follows:

l tof fzoheokfvalve 181e. This "pressure 'wards vthe 'liet sand v#thereby separates fthe A:clutch levers, fsvhereas lever B6 man Lbe lrrooked by 'the .stoprmotion .-14.1through :rods 3.2i, la mosltion sout :of upazth, of l.lever 05.

"fffhe 'zcop iehangnxg manipulations have been started, farei-.propagated .hydraulically .by loil pressure. With :this objecr, .inwiewgtwo passages :00, :0| rare provided .near :the eemisjfrof seylinder .3i .and .oomrected Awith im oilreservoir $0 Iby tubes 102,33, @hand x85. .nigear :pum-p 1.108." vr-.or :the like serves :for producing @ressure,.;.and

.check-.valves 01 and f81ra servezfor conductimg'the .now andfor pressuresegualization. .83 :may be connecte'dhy favwslidervalve-M either withftube 15, Stln'oughfan angular bore 89, in .thepositionf `:shown in Eig. l, tor with .tube,` through .an-.an- .nularfgroofve-l. '.Thefslide 9|) is articulatedf/by .1.106. 32 with 4:a rstar .1ever93 194 395 .and -9 5.., ithe =95 'of .this fstar .leverengaging behind aan .fel` ebow vlever 911, I98 `.mounted on thefsame shaiftzas.-

fthexstarlever. @A pin ,9330i an v`,elbow lever fil-0 0, 10,1 .fis .adapted-.to not on .arm ..96 of lthe' star lever,

.and :an .farm `9T of .this Aelbow lever .a short vtwo-,armed .lever `or pawl L02, |.03 cooperates.

.The .star lever landthe ,two-farmedlever v1112,r -I 03 `are .directlyiniiuenced 1by Springs 34a and .|02a

lconnected .toria stationary postl 3a, .and the Aelbow |06 .and .|0Ba, the lever .arm .|03 by an abutment `.A..small :bracket |20 is iixe'dwon .the .front emiy for-controlrodf Aand...carries a pin |2.|, von .which :a two armed .lever .1:22, |23 .andanelbow .lever SI24., |251are .pivtally mounted. Thelever arms v A:|23 .and .|25 .are .conneoted `hy'a ,spr-ing ;|2G.,g.tl1e .relative angular movement vof these varms .being limited :by v at .pin |21. .'Ihe slidable lbushel@y has.

. x lug y|20 behind which the .hookedlever-arn"|22 .may engage, .and a connecting `.piece .L2-9 .of the rods |0, Il hase :short rod |30, between abutments |31, |32 of whichrodrthelever arrnl'l moves. .This .mechanismLserves `'to vtemporarily couple the vtails'took J9 with .the oontrolrod .61| in :amanner tobedescribecl,

' A cam plate l`33 is lixed on control rod .60j and equpped'with an oblique cam .face '1.34,'.sc1's'sors "|35, |36 .and-an ejector ac- '.tuating pin 13,1. The inclined cam face |3|| ac"ts 'upon the guide'pin V|38 'of an auxiliary "thread .guide |38, .whereas the abutments 13.5, l|3`|i.o per :ate :the 'scissors 4"4 3 and the |31 Jar'ctlrates an nscillatable Lann F40 :serving 'as ieeotor. y "The voperation Aof A,the a'rrangem'ent illustrated .-Aiterxthe thread hanging from *the-thread guide 30 has been Clampeti'between'thefront 'end of spindle' and the"counter^zone"39, thefusu-al ibuil'ding up of "the :cop-begins The 'tails'toek 9 lzfgra'ilally -inoves forward under' the pressnre fof he'vaecumlatingfthread layersJ-Tirl theright and -fireotin-ass'hownIi-n the drawings. The-Asphalte, fwliihfstartsfthe Winding iWith-its l'eftend'ageinst the guide disc 64,' follows up the movement of fthe ltallstock, being-pressed 'totheright `byftlie low :pressure 'Jmainiain'edin fthe :left end nf cy? nder 36 through .fthe check valvsfjlyfurrder'the. is. fnsufixlcient tto overcome fthe force: eui'te'd -upon :the ta'ilstock :by ",the 'weight .32., fbutfissuiiicient to ycause the .spindle-to, followfany limovemexfitof the tailstock @to 'the::right. Ita thread breaksfdnrirrg thesbuild- :iup-.of fthe :con

@the stop motion-M realistev the .cop haszaseaohedffilll length and ith-ey 4| 5, 2 1 The .operative then grasps :the hamlle'-33 and pulls the itailstook'towammer, nis.,ff*to fthe .11.' spindle, .with zthecotpthereion, follows fthe moverneritio the tailstockto the right, d-uectoithezimoderate pressure of thesiluid fon .the left-. side Iof the piston .s3-5. When the fcnp 4has movedloutfiarenough #to bringitsnose :clear either-funnel 118, the position .of the tailstock aand :spindle iis :secunednby A'clamping rt'heayhanrile 33 against the gil-idebar .|.0. :Even if .the cop :has lalready .attained nearlyfits I-.ull length., 4s0 that the tippingievertB-S is brought; into engagement .with fthe-lever 6] when the .tai-lstock-Iis Vp ulledtothe right, it does .not .release .the detent "69, because lthe stoplever-BS has b'eenxrocked out of thefpath `of ,tipping leverviiifbyrtheffallingfof thefstop me of thefweight 32.

:tion lever U44.. the V'bobhin changingpperaizionisfnot prematurelystarted.

- .Aiterthe re-fknotting of thethr-ead thefhush .lf2

isreisasedoy means of sanandreas .and hierop ipulled fagain into .the ifunnel under .the .inuenoe Whenthe nose Vfoi' `Ioop K--is againin the 'Winding .funnel 1B, the stop..motion .44 is moved ,forward in the .usual manner, .the

fclutch 15, .closed and the..wnding`,.proceeding continues. f

"when the qopxhasresches thegpredermmd length, itheftipp'ng lever 5 .strikes the levers 6, 151. Atlieflever f0.6.-is .-or the time Lbeing held j in .its .position by the '.stopmo'tion 4l., thelever ..61

is rocked in clockwise .direction 'in the lform of construction' shown, whereby the vlooking lever Gliberates itherotaryLstansothat thisstar under theactiono'f'i'tspull spring .914e .cancausethe following controlmovements.

The 95 .of 'the .rotarystar ,pressesv .the ...arm

'.98 of ,the .elbowlever .91, '98, rockalale .together with the rotary staren thesame shaft, .against 'theflange .22 ci .hush .J .and.. ither.eb y releases. .the olutcli 15,21. -A`t thesame .timethe varm .93 .of .the rotary star. pnll'so'rward the rod 92 .and vthere- "by .brings .the annular ,groove SI-.in'to register with the .pipes y.|13 .and .04, thus .connecting .the

lilnder the pressuregoi the iiuid from pump llthe pump BB ,withtheaperture 8| .in the .ylinder i356.

Vim

.the spindle B outof .the iinishedoop .Kan-d then Lnressesthe plate toward theleft end of vcylinder 35. .Thecontrol rod fisthereby movedtow-.ards

@the .right .The front lend Vof4 the lever `far-m 02 .of the .pawl |02, `|03 .engages then `under-the @arm 1.9.1 4.of the .elbow .lever 9 l, ...98 -Wherebly the l.clutch '.isjheldin the inoperative -rposition. sAt `the same ftimeathe arm.i|.0l .of ythe elboWle-ver |00,` IM Yis turned in clockwisedirection,.so that the pin-.99

y.rocks .the arm,.9.6 fof thestar lever into the-posi- .tion shown ,in Fig. .1 and therewith pushes the fslide ybackinto .itsoriginal position, so that,

-when ithe lpiston i35.of 2tlslefspndle l, 5| .moves forward yto,therightg i4as `.presentlydescribed., the oil iiifront oithispistoncan .owhack .through the :tubes .83, 8 5 :tolthe oilgreservoir. Thef-noteh lever |04, |05 assists the elbow lever |00, =0.| lto oscillate hey-ondits deadpolnt position. y.Owing to .;the.movement oitherod towardstherig-htthe :farm -J 241atthe frontfen-dlcf .this rod is movedaway to the right the ejector |40 moving in the slit of the winding funnel 8; thus, the nose end of cop K is also removed from the funnel 8 which supports the same. The cop drops into the tray 42 which has meanwhile been rocked by .the hinges |08, |09 in clockwise direction, to a posi- I tion, which corresponds to the obliqueI position assumed by the cop, when sliding out of the funnel. As the pin |38 of the auxiliary thread guide |39 strikes against the inclined surface |34 of the forward moving cam plate, as' the cop is being ejected from the funnel the thread F is also moved forward toward the mouth of the funnel independently vof the position ofthe thread guide 30, so that the thread trailing from the cop asvit drops into the tray 42 will hang in a nearly 'vertical position between the blades of the scissors 43, which have meanwhile been opened by abutment |35 (Fig. 2). During the latter part of the movement of the rod 60 to the right, the'arm |24' yields to the abutment |3| and passes under the same, tensioning spring |26 which pulls it upon "the right side of theA abutment. Early in the return movement of the rod 60, which is caused by the compressed spring 10 and which beginswhenf the slide valve 90 cuts off the pressure supply to the right side of piston 35 and opens the right end of cylinder 36 to the return conduit 85, the arm |24 is tilted clockwise by the abutment I3 I. The pin |21 bears against the lever end |23 and tilts the lever |22 out of engagement with lug |28. The

I tailstock, thus released, and previously cleared ofY the spindle 6 and cop K, is pulled quickly to the left, where it is arrested in its starting position. In this position the bight of the thread lying between the auxiliary thread guide |39 and the scissors 43 is engaged by the notched face of the 4counter cone 39 and moved by the inclined surj of the right end of cylinder 36. Consequently the tip of the spindle 6, which was previously moved some distance to the left of the large end of the funnel 8, does not reach the counter cone 39 until the latter has engaged the bight of the thread and moved it to the position shown in Fig. 4. The tip of the spindle enters the bore of the counter cone shortly after and clamps the thread therein. This is followed by the shearing of the thread between the spindle and the finished cop by the shears 43, operated by the abutment |36. The tray 42 reaches the position shown in Fig. 1 at about this time and the cop slips off, being caught, for instance,`on a conveying band (not shown) The whole cop changing procedure is shown in the diagram, Fig. 5, the time and travel indicated being merely illustrative. The diagrams ofthe cedure are designated as follows: a for the spind1e s, 1; b for the clutch l5, 2| c for the countercone 39; d for the tipping tray 4 2; e' for the ejector |40; j for the auxiliary'thread guidey |39;

g for the scissors 43. The time intervals are indicated in seconds by 0, 1, 2, 3, 4 and 5.

lAfter the correct length of the cophas been attained, the spindle first moves a, distance h of 260 mm. (in Figs. 1, 2 and 6 towardsthe left, in Fig. 5 towards the right) and in time intervals of three seconds. For the last 60 mm. the piston pushes the plate 64 in front of it. During the last travel of mm. of the spindle 6, 1 the 'rod 60 is at the same time moved towards the right, In the diagram shown in Fig. 5 it is indicated by corresponding projections in downward direction which movements are initiated and 'carried through during this travel of rod 60. These movements canv also be seen directly from the diagram, with the aid of the above description.

After these movements have been carried out, i. e. after the three seconds given by way of example, the backwardmovement of rod Ell'begins and therewith, under the influence of thecylinder spring 10, the forward movement of plate 64 and of piston 35. As the spring 10 must move plate 64 and Ypiston 35 in opposition to the still lled cylinder 36, and as spring 10 possesses further a certain stiffness, a slightly longer time is required for the return movement of the'rod 60 -into its initial position, i. e. for carrying out the travel of 60 mm., as is also indicated in the diagram. Also in this instance the corresponding movements are shownaccording to time and travel by projections in downwardl direction.

In order to facilitate the nding of the broken end when athread has broken, a bush I5I with inner cone' |52 is rotatably mounted on the cylinder 36, as shown in Fig. 6, and can be driven by a shaft |53. The ange |54 of bush I6 s constructed as clutch cone,'so that the driving bush I6 of spindle 6, 1 can be brought under the action of shaft |53 instead of under the `action of shaft 5. The shaft |53 revolves considerably slower than the shaft 5 and in opposite direction, so'that at the backward movement of spindle 6, 1 and of cop K, the threadend can be easily found. The engaging of clutch |52, |54

' is effected by a three-armed lever |55, |56, |51

struction. The arm |51 itself is under the acbehind the arm |56 of which the arm 95 of the star lever engages `as in the first form of contion of a pressure piston I 58 which is hydraulically driven as soon as'the three-way cock |59 is turned into position II (Fig. 8), yfor instance by means of a rod |60. This rod |60 can be moved by a handle or a pedal through the intermediary l'individual elements which take part in this pro- Hydraulic force may also be used for pulling the cop K out of the winding funnel 8 for finding the end of the broken thread. For this purpose the cock |59 is turned into the positionIII shown in Fig. 7, whereby the pump pressure acts upon the piston 35 from the left, at the side. of plate 64 and somewhat shifts the spindle 6, 1.

Fig. 6 shows anotherv construction of the means 66, 1|, 12 forpreventing the premature initiation of the bobbin changing operation when the cop K j is pulled back at'breaking of the thread, especially when the full length of cop has approximately been attained. f

A three-armed lever |63, |64,v |65 is lmounted Ona pin I62`and can be turned from the 'stop motion 44, or by means of a-handle |10; A spring |51 holds' this lever vin the locking position in engagement with a pawl-|68, |69. At `the breaking of the thread the lever I 63, |64', 65, as

" can'be seen from the drawings,l is liberatedas the stop motion 44 owing to the rockir'igl of vthe "locking'pawl |68, I 69. The arm I 64 then facts mounted to shift axially, spindle sliding' means adapted to be operated by a fluid pressure medium to move said spindle axially away from said tailstock, and control means operated by said spindle when so moved, to move said tailstock in the opposite direction.

2. In a winding frame, rotary cop supporting means comprising a spindle and tailstock both mounted to shift axially, spindle sliding :means adapted to be operated by a fluid pressure medium to move said spindle axially away from said .'ltailstock, and control means comprising an actuating member adapted to be engaged by said lspindle when the latter has completed a part of said movement, for moving said tailstock in the .opposite direction.

. 3. In a winding frame, rotary cop supporting means comprising a spindle and tailstock mounted to shift axially, said spindlehaving a piston thereon,.a cylinder in which said piston is guided, means Vto supply a fluid pressure medium to lsaid cylinder on the side' of said piston toward said tailstock, whereby to move said piston and spindle away from said tailstock, and control means comprising an actuating member adapted 'to beengaged by said piston when the latter has .completed a part of'its movement, for moving said tailstock in the opposite direction.

i 4. In a winding frame, rotary cop supporting means comprising a spindle and tailstock both mounted to shift axially, a winding funnel surrounding 'said spindle and having a thread traverse slot therein, traversing thread guide means adapted to guide thread into said slot, yielding means urging said tailstock toward said winding funneLmeans adapted to be operatedby a fluid pressure medium to retract said spindle from a cop wound thereon and held by said funnel, and control means for moving said tailstock away from said funnel, including an actuating member adapted to be moved by said spindleafter the latter has completed a part of its retracting movement. Y

5. A winding .frame as described in claim 4:,l wherein an ejector is mounted so as to move through the slot of said funnel close to said spindle, whereby to eject a cop heldin said funnel, said control means including means for operating said ejector.

6. A winding frame as described in claim 3, wherein said control means includes a hook device engageable with a part of said tailstock upon movement of said mechanical means by said piston.

7. In a winding frame, rotary cop supporting means comprising a spindle and tailstock both mounted to shift axially, a' winding funnel surrounding said spindle and having a thread traverse slot therein, traversing thread guide means adapted .to guide thread into said slot, yielding means urgingsaid tailstock toward said winding funnel, means adapted to be operated by a fluid pressure medium to retract said spindle from a Acop wound thereonyand held by said funnel, re-

ciprocable control means yieldingly urged in one direction and including l/an actuating member adapted to be moved by said spindle after the latter has completed a part of its retraction movement, to move said control means in the other direction, means for-coupling said tailstockv to said control means during its movement by said spindle, and means for uncoupling said tailstock from said control means to permit both to return independently.

8. In a Winding frame, rotarycop supporting 'f means comprising a'spindle and tailstock both mounted to shift axially, means for causing said spindle and tailstock to move progressively in one direction as the thread accumulates on the spindle, spindle retracting means adapted to be operated by a fluid pressure medium to retract said spindle from a cop wound thereon, and means to start the supply of fluid pressure medium to said spindle retracting means, said starting means including a limit` element movable progressively with said tailstock and spindle and adapted to operate lsaid starting means upon reaching a predetermined point in its progressive movement.

9. A winding frame as described in claim 8 wherein stop motion control means are provided .to prevent release of the uid pressure medium to said spindle retracting means by movement oi said limit element after breakage of the thread.

l0. A winding frame as described in claim 4, having normally disengaged means to rotate said spindle reversely, and means for engaging the same.

l1. A winding frame as described in claim 4, having Ynormally disengaged means to rotate said spindle reversely, and fluid pressure operated means for engaging said reverse rotation means. v l2. In a'winding frame, a plurality of rotary cop supporting means each comprising a spindle and tailstock both mounted to shift axially, a drive shaft common to all of said cop supporting means and means for connecting the individual spindles thereto, each spindle having associated therewith spindle retracting means adapted to be actuated by a fluid pressure medium to move the spindle away from its appertaining tailstock, and control means associated with each spindle to be operated thereby when said spindle is so moved, to move the appertaining tailstock in the opposite direction.

y 13. In a winding frame, a plurality of winding units each comprising a spindle and tailstocl:y

. ing means, and means associated with each winding unit for supplying an initial unit of the uid medium to said retracting means at pressure higher than that in said common sup-ply means.

ll. A winding frame as described in claim 13, wherein the means for supplying an initial unit of the fluid medium to said retracting means comprises a diierential cylinder and piston unit, means for placing the larger cylinder thereof in communication with said common supply means, means for placing the smaller cylinder thereof in communication with the uid conveying means appertaining to the same winding unit, and a check valve located in said conveying means between said smaller cylinder an-d said common supply means.

15. In a winding frame, rotary cop supporting means comprising al spindle and tailstock both mounted to shift axially, means to move said spindle and tailstock progressively in one axial direction from a starting position to a limit position as the winding proceeds, said tailstock comprising Va'rotary counter-cone havinga bore toyreceive thetip` ofsaid spindle and notches in the face thereof toward said spindle adaptedto position a thread held against said face across said bore, means operable automatically yupon arrival of said spindle and tailstockfin said limit position to retract said spindle so that its tip moves reversely beyond the'starting position of said tailstock, means to move said tailstock from said limit position to said starting position, means to hold a thread in position to be engaged 'by the face of said counter-cone as said tailstock arrives at starting position, and means to mover said spindle toward said tailstock after the return of the latter to starting position, thereby7 to clamp the thread in said bore.

16. In a winding frame, rotary cop supporting means comprising a spindle and tailstock both 1 mounted to shift axially, a casing in which said spindle is housed, a winding funnel secured to said casing and surrounding said spindle, means for supplying a fluid pressure medium to` the space within said casing, said casing having ports to direct a blast of the -uid pressure mediumr along said' Winding funnel. Y

17. In al winding frame, rotary cop supporting means comprising a spindle, a tailstock cooperating therewith and mounted to shift axially,

a Winding funnel surrounding said spindle with its large end directed toward saidr tailstock, a

stationary cylinder, a piston guided in said cylf inder, means for supplying a fluid pressure medium to said cylinder, and means connecting said piston with said tailstock, said piston being movable by the fluid pressure'medium supplied to said nel, said nozzle being adaptedto discharge an impulsive jetof the fluid pressure medium toward said winding funnel upon movement of said tailstock and piston in the direction to compress the fluid pressure medium in said cylinder. l

19. In a machine for winding a strand of yarn or the like onto a cop, a rotary cop supporting means comprising a spindle around which the cop is formed and vanfaxially alined tailstock, spindle sliding means for moving said spindle axially away .from said tailstock,v and control means operated by said spindle when so moved to simultaneously move said tailstock in the opposite direction.

20. In a machine for winding a strand of yarn move axially, a stationary winding funnel, means for normally urging said cop into yielding engagement with said funnel, and fluid pressure operated means for axially shifting said cop and associated spindle and tailstock simultaneously in the same direction. to thereby move said cop out of engagement with said funnel during the repair of a broken strand.

22. In a'machine for winding a strand of yarn or the like onto a cop, a rotary cop supporting means comprising a spindle around which the cop 1s formed and an axially alined tailstock, both thespindle and tailstock being mounted to move axially, a stationary winding funnel, means forv` normally urging said cop intoyielding engagement with said funne1, a stop motion operable upon the breaking of a thread, means for rautomatically moving said spindle away from said tailstockiupon the completion of said cop to thereby initiate a dofling operation, fluid pressure operated means for axially shifting said cop and associated spindle and tailstock simultaneously in the same direction to thereby move said copout of engagement with said funnel during tne repair of a broken strand, and means controlled by the actuation of said stop motion for preventing premature initiationof said dolng operation when said cop is moved out of engagement with said funnel.

23. In a machine for winding a strand off yarnor the like onto a cop, a rotary cop supporting means comprising a spindle around which the cop is formed and an axially alined tailstock,

both thespindle and tailstock being mounted to move axially, a stationary winding funnel, means y for normally urging said cop into yielding enor the like onto a -copa rotary cop supporting dium.

21. In amachine for winding a strand of yarn or the like onto a cop, a rotary cop supporting means comprising a spindle around which the,

cop is formed and an axially alined tailstock, both the spindle and tailstock being mounted to gagement .with said funnel, manual means for axially shifting said cop and associated spindle and tailstock simultaneously in the same direc` tion to thereby move said cop out of engagement y with said funnel during the repair of a broken strand, a control means automatically operable upon the completion ofa cop for shifting said spindle and tailstock in opposite direcions to thereby dolf the cop from said spindle," a stop motion adapted to stop said winding machine upon the breakage of a strand, and means operable lupon the actuation of said stop motion for rendering said control' means ineiective where` by a premature shifting of said spindle and tailstack in opposite directions will be prevented when the manual shifting means is operated.

1 24. In a machine for winding a strand of yarn or the like onto a cop, a rotary cop supporting means Vcomprising a spindle around which the cop is formed and an axially alined tailstock nor- STEFAN FRST.

'spindle whereby the K

Images