US999616A - Jack-winding machine. - Google Patents

Description

G. E. WISSMANN. JACK WINDING MACHINE. nruou-ron rum) 001229. 1908.

Patented Aug. 1, 1911.

a suns-sum 1.

maiw

G. E. WISSMANN. JACK wmnme 11101111112.

APPLICATION TILED 001. 28. 1908.

999,61 6. Patented Aug. 1, 1911.

3 SHEETS-BEBE! 3.

G. E. WISSMANN.

JAOK WINDING MACHINE.

APPLIOATIOK mun nor. as, 190a.

999,61 6. V Patented Aug. 1, 1911.

3 SHEETS-SHEET 8.

UNITED STATES PATENT OFFICE.

GEORGE EUGENE WISSMANN, 0F PHILADELPHIA, PENNSYLVANIA.,

{TACK-WINDING MACHINE.

Specification 0! Letters Patent.

Application filed Getober 28, 1908. Serial K0. 459,880.

specification.

My invention relates to bobbin windin machines of the type known as jack win ers, and one object of said invention is to provide an attachment for such a machine or causing the bobbins to be wound hard and even throughout.

' Owing .to their havin to be shot or thrown across a loom, bob ins are wound in a series of conical layersin order to allow the am to run ofi' easily and it is for the winding of a bobbin of this nature that my invention is particularly adapted.

Heretofore on jackwinding machines it has been diflicult to obtain a hard wound or even wound bobbin from all classes of yarn, for the reason that the ends were all taken from beam spools having no drive other than that caused by the ull of the yarn as. it was wound on the bob ins. This pull was greater and the bea'mspools had to give off more yarn, when the ,winding was being done on the larger portions of the cone formation than when the portions of smaller diameter were being wound, and since the speed of thebobbins was constant, the momentum attained by the beam spools when supplying yarn during the winding from apex to the base of the cone formation, caused said s ools to give oil more yarn than was need ing done in the opposite direction. This action resulted in a slacking of the yarn,

and the parts of the bobbin wound when the yarn was in this conditionwere loose and soft. Attempts have been made to remedy this fault by providing yarn take ups which operated upon the threads after they left the spools, but it was found that these not only strained the am by acting on the individual ends but a so created an uneven tension.

My invention, therefore, is devised to ed when the winding was beavoid these objectionsand is so constructed as to render possible the winding of yarn of lower grade than it has hitherto been possible to use with any degree of success on the ordinar jack winder.

It is furt er desired to' rovide an attachment whereby it ispossi le to successfully and efliciently form a bobbin having a special winding.

. "These "objects and other advantageous ends I secure its-hereinafter set forth, reference bein had to the accompanying drawin s in-w ich igure 1, is; an end elevation of a jack windln machine illustrating-my invention as app led thereto; Fig. 2, 1s a rear view of a portion of the machine shown in Fig. 1; Fig. 3', is a perspective view of the attachinent forming the main of my invention; Figs. 4 and 5, are si eelevations showin' certain elements of my attachment in digerent positions; Fi 6 and 7, are eleva tions illustrating modifications of parts of my invention; Fig. 8, is a side elevation of a modified form of a cam which I mayempioy; Fig. 9, is an elevation of part of a bbinhavin a particular winding which is made possi le by using the cam shown in Fig. 8; and Fig. 10, is a side elevation ofan ad ustable cam which may be used as a part of my invention. 7 r

'In Fig.1 of the above drawings, 1 repre- 'sents the main frameof the machlne, having a bearin for a shaft 2, to which are keyed the usua fly-wheel Sand a driving pulley 4. A belt 5 connectsthis' ulleywith a sec ond pulley 6 fixed to a shat 7 mounted in a bearing on an auxiliary frame 12. Also fixed to the shaft 7 is a pinion 8 which meshes with a gear, 9 fixed to a third shaft 10. This latter is mountedjin bearings in the frames 1 and 12 and has on its end a heart-shaped cam 11. Near the top of the Patented Aug. 1, 191i.

auxiliary frame 12 'is a slot 13 through which passes a pin 14 and from this depends a swinging lever 15 having at its lowerend a roller 16 which is always in contacts-with the heart-shaped cam 11. An arm 17, pivoted at 17" to the frame 12, has slidably mounted on it a toothed rack 18 and at the lower end of this latter is a roller 19 which always bears against the hanging lever 15.

The upper end of the bar 17 has a nut 20 while permitting its longitudinal movement.

Pivoted to the frame 12 at 22 is a bell crank lever 23, one arm of which rests against the end of the bar 21. while its other arm is slotted at 23 for the adjustable attachment ..ing holes at of a link 24. The upper end of this latter is connected by a bolt. 25 to an arm 26 fixed to a shaft 27 carried in'suitable bearings on theframe 1. Fixed at predetermined distances along the shaft 27 are fingers 28havtheir outer ends through which passes a uide or feed wire 28 running the length 0 the machine and arranged to act on the yarn 29 as it is fed to the bobbins 30 mounted on the rotatable spindles 31. A spring 32 is attached at one end to a strap 32 wrapped around and fixed to the shaft 27, while its other end is connected to the main frame-;-its arrangement being such that it tends to keep the fingers 28 with the wire 28* in a raised position and one arm. of the bell crank lever 23 in contact with the end of the rod 21. A pawl 36 is pivoted .at 37 on an arm 38 loosely mounted on the bar, 21 between the ratchet 35 and a journal 39 projecting from the frame 12, and a cam 41 is fixed to the gear wheel 9 so as to operate said pawl when this wheel is turned. A retarding strap weight 43, asses around a collar forming part of or xed to the ratchet 35 in order to prevent a too easy movement of the bar 21. Brackets 44, attached to the main frame, serve to supporta shaft ,45 to which are attached the usual pressure paddles or shoes 46 weighted at 47, which bear on the upper portion of the yarn on the beam spools 48. A shaft 55, rotatably mounted in brackets 56, has fixed to it an operating arm 54 and'to this ispivoted at 53 a horizon tally extending bar 49 having a slot 50 through which passes the shaft 10. Fixed to the bar -19 near its slotted end, is apin 55 51 placed to be actuated by a cam 52 keyed to said shaft 10 so as to periodically rock the shaft 55 when said cam is turned. The shaft 55 runs the whole length of the machine and has fixed to it, at predetermined distances apart, a series of levers of which one is shown at 57. Each of these levers has an adjustable slide 58 connected through a link 59 to one end of a spring 60 whose opposite end is connected by an adjustable strap 61 to the paddles 46.

42, to which is hung a.

form movements of the bobbin is full wound. It will thus be seen the conical portion of greatest diameter.

The mechanism for rotating the bobbins has been left off the drawings for the sake of clearness.

Before starting, the bobbins the rod. 21 is rotated by means of the handle 40 until its pinion 33 comes into engagement with the teeth 34 of the sliding rack 18, after which the continued motion of the handle 40 will raise said rack together with the roller 19.

The operation is as follows :Power is applied in any desired manner to the shaft 2, and the shaft 10 is rotated, through the medium of pulle s 4 and 6, and gears 8 and 9, in the direction indicated by the arrow in Fig. 1. The heart-shaped cam 11 then operates against the roller 16 to swin the lever 15 and rock the arm 17 through the medium ofthe roller 19, thereby giving the bar 21a reciprocating motion. The bell-crank lever 23 thus receives a rocking motion due to the continued action of the bar 21 and the spring 32, so that through the link 24, lever 26 and shaft 27 the yarn guide 28 is caused to have an up and own motion in order to wind the yarn at different heights on the bobbins which are rotated by pulley and belt mechanism (not shown on the drawings) the beam spools 48 being rotated by the pull of the yarn 29 as it is wound on the said bobbins. ..-.On each revolution of the shaft 10, the cam 41 on the gear 9 lifts the pawl 36, causing it to partially turn the ratchet 35 and with it the bar 21. Owing to this turning of said bar, the pinion 33 thereon moves downwardly the rack 18 and its roller 19, until this latter finally reaches the position shown in Fi 1, when the pinion 33 will have slid out of mesh with the rack 18, and the cone building action will have been completed. During this part of the operation of the machine, the cone portion of the bobbins has been formed, for as the roller 19 was lowered, the arm 17 was caused to swing through successively reater arcs, so as to actuate the yarn. Tie roller 19 now remains in this lowered position, causing uniarm 1'? until the that the lead or movement of the yarn up the bobbin is caused by the change of relative positions of the end of the bar 21 and the arm 17; and this change is caused by the rotation of said bar and its resulting movement through the nut on the top of said arm. The cone thus formed (Fig. 1) constitutes the foundation for the winding of the rest of the bobbin, which when finished, consists of a series of conically wound layers.

llhen the yarn guide is feeding yarn ]to t 1e lzeartshaped cam is presenting its highest A ice t i the roller 16, and the pin 51 on the bar 49 is resting against the lowest portion su lied bar 49. This of the cam 52 as shown in Fig. 4. As the h eart shaped cam rotates, the yarn guide rises, feeding yarn in decreasing amounts for each revolution, and at the same time the cam 52 acts upon the pin 51 to move the latter, being connected to the lever 54, partially turns the shaft 55 and moves downwardly the arms 57. Tension is thereby placed bn the springs and the paddles 46 are caused to exert an increased pressure upon the yarn on the spools. This pressure continues tb increase until the cam 52 has presented its highest face against the pin 51, as shown in Fig. 5, and the parts are so timed that this occurs just the smallest diameter of the cone is being wound or just before the yarn guides start to move down.

'The cam 52 is so designed (as shown clearly in Figs. 1, 3, 4 and 5) that when the winding is started from the apegc toward the base of a conical layer, it will allow the quick, return of the pin 51; the reason for this action being that while it is not desired that. the pressure on the paddles shall be released with great suddenness, it is advantageousfor it to be done rapidly, for the reason that each succeeding revolution of the bobbin needs more yarn which should be without any strain.

ith the modified arrangement of parts shown in Fig. 6, a gear 62 on the shaft 10 actuates a suitably mounted gear 63 having a crankshaft sprin 60. There may be any desired number 0 these cranks so timed that they will cause an increasing pressure to be placed on' thespools by the bobbins are being wound from a greater to a. smaller diameter and will diminish such pressure when the winding is being done in the opposite direction.

In the modification of Fig. .7, the crank 66 is rotated by the shaft 10 and operates the bar 49, the lever 54 and the rock-shaft 55, to move the arms 57 as before described.

By my attachment, as shown, in the several views of the drawing, I am able to deliver to the bobbins the amount of yarn needed for each lap or revolution so that it is always at the same tension. This is rendered possible by the springs 60, which conthe cam in v in attachment above described, it 15 pos--- stitute" an automatic take-up means for gradually decreasing the pressure of the paddles upon the yarn on the beam spools as the volume of yarn thereon decreases,

and the mechanism cooperative with the cone building mechanism for exerting a variable spools t springs.

If the heart-shaped cam be replaced by shown in Fig. 8 and used with si Is to wind a bobbin of the design illustrated. in Fig. 9. Such a bobbin has a large 64 connected to one end of the paddles 46 when the ressure upon the yarn on the beam rough the medium of the said number of turns and but comparatively few turns on the other direction and although its winding is most desirable for certain kinds of Weaving, it has not hitherto been practical to wind with the machines known to the art owing to the inability to secure the proper amount of tension on the yarn during the winding of the widely spaced layers.

W'hen the cam -11 is substituted for the heart-shaped cam 11, the cam 52 should have such a contour as to continue to release the friction on 'the beam spools while the bobbins are winding the close laps from smaller to greater diameter of the cone formation and change. so as to continue to quickly apply the friction on the said beam spools the widely spaced turns from greater to smaller diameter of the cone formation. The action is as follows :-The slow portion, a: to y, of the cam 11 gradually forcesthe roller 16 farther away from the shaft 10 't'or more than one half revolution and lowers the yarn guide fingers slowly; thus allowing each successive lap of yarn to lay close. to the preceding one in winding each layer from the smaller to the greater diameter of the cone formation. The quick portion of the cam 11, extending from y to z and occupying a comparatively small portion of the periphery, allows the quick 1'eturn of the roller 16 to its normal position;

this causes the yarn guide fingers to attain a rapid upward mot-ion and, as the rotation of the bobbins is constant, the laps of yarn to be widely spaced.

lVhileI have shown in the drawings one wide paddle for each spool, it is obvious that two or more may be used upon each spool with good results. Moreover it is immaterial whether my attachment be used on What are technically known as jack winding machines or on skein winders; as it may be employed on certain ofthese Without material change or departure from my invention.

If it be desired, the cam 52 may be made as illustrated in Fig. 10, so that a portion of its face may be adjusted to vary its action upon the pin 51 and the apparatus connected thereto, the object of such adjustment 'being to vary the speed at which the pressure exerted upon the yarn is varied from maximum to minimum depending upon the quality and nature of said yarn. i

I claim:

1. In a machine for winding a bobbin of varying contour, the combindtion of the thread guiding and winding mechanism including an operating shaft the yarn spool,

a brake operative upon the yarn on said spool, connecting umchanisin' between said brake and the aforesaid operating shaft whereby the brake" pressure is varied to or laps in one direct-ion as soon as the bobbins start to wind I ,during the Winding operation,

maintain a uniform tension upon the yarn said connecting mechanism including an automatically acting device for decreasing the brake pressure as the volume of yarn on the spool decreases, substantially as described.

2. In a jack-winding machine, the combination of the thr ad guiding and winding mechanism including an operating shaft, the yarn spool, a brake operative upon the yarn on said tion of said operating shaft, means for operatively connecting the cam and brake to cause the latter to press on the yarn with varying pressure to maintain uniform tension upon the yarn during the winding 0 oration, the same including an automatically acting device for decreasin the intensity of the pressure exerted by fire brake as the volume of yarn on the spool decreases, substantially as described.

3. In a jack-winding machine the combination of thread guiding and winding mechanism including an operating shaft, the yarn spool, a brake operative upon the yarn on said spool, connecting mechanism between said brake and the aforesaid operating shaft whereby the brake pressure is varied to maintain a uniform tension upon the am during the winding 0 eration, said connecting mechanism inclu ing a spring under tension adapted to be decreased as the volume of yarn. on the spool decreases, stahtially as described.

4. In a jack-winding machine the combination of thread guiding and winding mechanism including an operating shaft, the yarn spool, a brake operating on the yarn in said spool, mechanism adapted to be reciprocatctl in a predetermined manner by the rotation of said operating shaft; and a spring operatively connecting, and held under tension between said reciprocating mechanism and brake, substantially as described.

5., Thecombination in a jack-winding machine of the thread guiding and Winding mechanism including an operating shaft; a yarn spool; a cam on the operating shaft, :1. second shaft mounted so as to be free to oscillate, a plurality of levers connected to the second shaft, a bar connected to one of said levers, a pin in said bar to coiiperate with the cam, a paddle mounted to act on the yarn on the spool with automatic take-up means connected between thepaddle and the levers, the same being arranged and constructed to decrease the intensity of the pressure exerted by the said ,paddle upon the yarn on the spool as the volume of yarn on said spool decreases.

6. The combination in a jack-windingmachine of the thread guiding and mechanism including an operating shaft; the yarn spool, a cam on the operating shaft,

spool, a cam actuated by rotasub- - means for actuating Winding 1 turns of yarn while the layers intermediate a second shaft mounted so as to be free to oscillate, a plurality of levers connected to the second shafua bar connected to one of said levers, a pin in said bar to coiiperate with the cam, a paddle mounted to act on the yarn on the spool, an adjusting strap connected to said paddle, with automatic takeup means connected between the adjusting strap and said levers, the same being arranged and constructed to decrease the intensity of the pressure exerted by the paddle upon the yarn on the spool as the volume of yarn on said spool decreases.

7. The combination in a jack-winding machine of the thread guiding and winding mechanism including an operating shaft, the yarn spool, a cam on the operatin shaft, a second shaft mounted so as to be free to oscillate, a plurality of levers connected to the second shaft, slides adjustably secured to certain of the levers, a bar connected to one of the levers, a pin in said bar to coiiperate with the cam, a paddle mounted to act on the yarn on the spool, with automatic take- 11 means connecting the said slides and the paddles, the same being arranged and constructed to decrease the intensity of the variable pressure exerted by the paddle upon the yarn on the spool as the volume of yarn on said spool decreases.

8. A tension regulating device for jackwinding machines consisting of a cam, means for actuating the same, a shaft, :1 plurality of levers connected to the shaft, a slide adjustably mounted on each of said levers, a crank lever attached to the shaft, a bar connected to the crank lever, a pin in said bar to cotiperate with the cam, a plurality of paddles mounted so as to act upon the yarn on the supply spools of the machine and a tension spring connecting each of said slides with one of the paddles.

9. A tens on regulating device for jackwinding machines consisting of aearn,

the same, a shaft, in. plurality of levers connected to the shaft, a slide adjustably mounted on each of said arms, a crank lever attached to the shaft, a bar connected to the crank lever, a pin in said bar to coiiperate with the cam, a plurality of paddles mounted so as to act upon the yarn on the supply spools of the machine, an adjusting strap connected to each of said paddles. and a tension spring connecting each of the adjusting straps with one of the slides. 4

10. In a jack-winding machine for winding bobbins in a series of conical layers, the combination of the thread guiding and. winding mechanism including a shaft, means operable from said shaft whereby alternate layers of yarn on the bobbins are wound with a number of closely adjacent said close layers are wound with a relatively few separated turns of yarn, the yarn spool, In testimony whereof, I have signed my a. brake operative. upon the yarn on the name to this specification, in thepresence of 10 spool, connecting mechanism between said two subscribing Witnesses.

brake and the aforesaid operating shaft a 1 T w'w 1' whereby the brake pressure is varied to -(IEORGE LUGEAE WIbbMAk maintain a uniform tension upon the am Witnesses:

during the winding operaiion, substantially AUGUSTUS B. CoPPEs,

as described. WM. A. BARR.

Images