US2205384A - Winding - Google Patents

Description

E. J. ABBOTT June 25, 1940.

WINDING Filed Feb. 4, 1936 6 Sheets-Sheet 1 June 25, 1940. E. J. ABBOTT 2,205,384

WINDING Filed Feb. 4, 1936 6 Sheets-Sheet 3 June 25,. 1940. E. J. ABBOTT WINDING Filed Feb. 4,- 1936 6 Sheets-Sheet 4 E. J. ABBOTT lune 25, 1940.

WINDING Filed Feb. 4, 1956 6 SheetS-Sheet 5 E. J. ABBOTT lune 25, 1940.

WINDIHG Filod Pub. 4. 1936 6 Sheets-Sheet 6 Patented June 25, 1940 UNITED STATES PATENT OFFICE WINDING Application February 4, 1936, Serial No. 62,337

23 Claims.

This application is a continuation in part of the application of Edward J. Abbott for improvements in Winding, Serial No. 5,729, filed February 9, 1935, allowed December 7, 1935.

* This invention relates to an improvement in wound packages of textile material, such for example as packages produced by spinning, twisting or winding machines, and to a method and mechanism for producing the improved packages.

With each of these machines it is desirable that the package shall (1) be compact, and contain a maximum. quantity of yarns, (2) without any lateral confinement such as the flanges of spools, but nevertheless free from a tendency to disintegrate in handling, (3) formed with a layer or pattern of yarn consistent with traverse speeds that can be practically maintained at high speeds of winding, and (4) well adapted for unwinding over-end. In the past, there have been certain inconsistencies between the attainment of optimum conditions of compactness, of self-sustaining characteristics and of high speed of winding.

Thus, the typica1 spool wound package is compact, and capable of being wound with various traverse devices which are well within their practical speed limits at high winding speeds, but sufiers from the lack of selfsustaining structure, and is now practically limited to being wound on a fianged spool.

The typical filling wind, though satisfactory from the standpoints of self-sustaining character and ability et traverse mechanism, sufiers from a loss of capacity due to its internal taper at one end, and externa1 taper at its other end.

The typical cross-wound package, though selfsustaining, and capable of being wound on a simple cylindrical core, is less compact than a spool wound package of equal volume, and also in order to be self-sustaining, involves a rate of traverse of such high pitch as to limit the winding speed in many machines.

Also, all of these .packages have certain limitations as to their ability to unwind when yarn is pulled off their over-end. The upper flange of a spool is fiable to catch the unwinding yam and cause a breakage. Many cross-wound and filling wound packages, on the other hand, suffer from the disadvantage that the point of departure of the yarn from the package shifts rapidly up and down and the length of the unwinding balloon is according1y changed rapidly, this tending to cause unstability of the unwinding balloon.

The present invention has for its object t0 avoid the various defects or inherent disadvantages of these prier types of packages, to produce an improved type of package adapted to serve as a substitute for any of them, and to provide a method and mechanism adapted ,to wind the im. proved package.

Other objects of invention and advantages will be apparent from this specification and its drawings wherein the invention is explained by way of example.

In the drawings:

Fig. 1 shows the core of the package wound with the innermost convolutions which form the first substantially complete coverage of the core from end to end, and also shows in dotted lines the outline of the completed package;

Fig. 2 is a side elevation of a winding machine adapted for winding the package of Fig. 1;

Fig. 3 is an end elevation of the grooved*yarnguiding roll-cf the machine of. Fig. 2;

Fig. 4 is an elevation of a portion of the roll et Fig. 3;

Fig. 5 is an elevation, taken at to that 01 Fig. 4, of thesame roll;

Fig. 6 is a side elevation of another winding 25 machine adapted for winding the package of Fig. 1;

Fig. 7 is an end elevation of the machine of Fig. 6;

Fig. 8 is a vertical sectionai view on thelinB 30 38 of Fig. 6, showing a detail of the traverse mechanism.

Fig. 9 is a side elevation of another winding machine adapted for winding the package 013 Fig.

Fig. 10 is an end elevation of the machine 01 Fig. 9;

Fig. 11 is a side elevation of another winding machine .adapted for winding the package cf Fig.

Fig. 12 is an end elevation of the machine of Fig, 11; and

Fig. 13 is a vertical sectional view on the line l3l3 of Fig. 11, showing a detail of the traverse mechanism.

The package core may be of any desired or usual construction suitable to be received in a winding, spinning, twisting doubling or other textile machine that produces a wound package, and 50 is shown by way of example as comprising a simple cylindrica1 wooden tube Il. Although it is within the scope of my invention to employ a conica1 core, such expedient will generally not be necessary due to the ease of unwinding from a cylindrical package built up as now to be described.

On the windlng core Il, which may be surface driven or spindle driven as desired, there is first started an end of the strand of yarn S in any suitable manner, for example by making a few turns of the strand around the core, preferably adjacent to one and thereof. Or, if desired, the new str&nd to be wound can be united to an end of strand already associated with the core. Thereupon the full-speed rotation et the core is begun and the strand S traversed on the core in quickpitch reversed spirals l3 within a zone 14 lying adjacent to one end of the core. These windings, at their points of reversal l3 define the extreme left end of the package to be formed. As indicated in Fig. 1,:a number of these quickpitch reversed spirals [3 are wound before alteratien of the type of traversing of the yam, the successive spirals each serving to bind the preceding spirals down. 'Il1is zone l4 of quickpitch winding prerably represents only a miner part of the length of the. finished package, and in most instances may be approximately onehalf inch in length.

After completion of the reverse,spirals 13 of the zone II, the yam is then laid in the typical spool wind throughout a zone l5 representing nearly the whole length of the package. As is well lmown in the art, the pitch of traverse in this winding is only suflicient to lay each convolution of yarnbeside the next preceding convolution, without any overlapping of successive convolutions.

. At the end of the zone l5 of spool winding, the yarn is again traversed in a narrow zone l6 adjacent to the end of the core, in quick-pitch reversed spirals Il similar to the spirals l3.in the zone M at the opposite end of the core. In Fig. 1, the points of revrsal Il of the spirals ll are shown as deflning the right end of the package to be formed.

'Ihereupon. the yarn is trave;sed across the zone Il again from the zone l6 to the beginning 01' zone M in closely laid spool winding, whereupon a further series of reversed spirals are superposed on these previously laid in the end zone II. The completed package, of which the outline is shown'in dotted fines, is built up by a repetition of this sequence of operations. The number of revolutions of the package during which the strand is wound with a quick-pitch in zones [4 and l6 between each of the spool windings in zone I5 is preferably adjusted so that the growth of the package in these zones is in confonfiity with the growtlr of its main portion l! so that the peripheral surface of the finished package has the form of a figure of revoluticn of As a result, the yarn of the package of Fig. 1,

la mainly in the torm of a closely wound spool, being largely composed of the completed zone l5 ot spool winding et slight pitch.

'Ihtm th largest portion of the yarn of the package is disposed in a most compact manner, and the capacity of the package is comparable to that of a. typical flanged spool. The two ends of the package are in the form of thin disks, 01 for example one-hait inch thiclmess, formed of the superposed series of reveised spiral windings and H resxictively? These end portions form self-sustaining ends for the package, preventing the large spool-wound bulk of the package from disintegrating. Vlewed from either end, the

package 1s practically the same in appearance as the usual cross-wound package or cheese.

From the preferred manner of winding described above, it will 'be apparent that in winding and unwinding the package, the self-sustaining end portions in zones M and I6 continually have substantiafly the diameter of the large central spool wound zone l5. Thus although the central spool-wound portion is continually held together by the self-sustaimng end portions, which serve as heads or flanges therefor, the preferred manner of winding the package avoids having these heads or flanges substantially any larger than the central spool-wound portion either during winding or unwinding. Accordingly, duringwinding, th whole package may rest on or be pressed by a roll, and during unwinding the yam may be pulled oi over-end without interference by any overhanging head or fiange such as customarily provided on textile spools.

It will moreover be apparent that the paclrage of this invention avoids any necessity for traverse mechamsxn which will make a rapid complete stroke from one end of the package to the other, and the package can therefore be wound at a speed greater than that at which usual crosswinding machines can satisfactorily operate. Further, in unwinding the package over-end, there is at no stage in the unwinding any large quick change in height .of the point of departure of the yarn from the vertically placed package. Obviously the package of this invention accordingly avoids any large quick changes in the length of the unwinding balloon.

One preferred embodiment of mechanism for winding the improved package of this invention. is shown in Figs, 2 to 5, inclusive. Fig. 2 shows a winding -machine having a. plurality of Winding units each including in known manner a pivoted holder for the core of the winding package described above, a suitable supply bobbin 3l, and tension disks 32, between which the winding strand S passes on its way from the bobbin to the winding package. The winding packages of the several units rest upon a rotary drive roll 33 which can be continuously driven in any suitable manner, as for example by an electric motor 34.

In this embodiment of the invention each winding strand is inserted in 8. guide hole or slot 36 in a continuously reciprocating traverse bar 31, which is mounted in suitable guides 38, 39 and carries a cam-follower pin 40 extending into a cam slot 4l of a cam 42". Cam 42" is shown as driven through a pulley 43", belt 44" and pulley 45 from a motor 46, the eiect of this machanism being to reciprocate the traverse bar 31 'through a stroke almost as long as the length of the winding package and at a slow rate relative to the speed of drive roll 33, so as to traverse the winding strand at a rate productive of a spool-wound formation in the Winding package.

The 1'011 33 conveniently serves as a further traversing element for the production of the desired quick-traverse portion of the wlnding on the packages. Reierring to Figs. 3, 4 and 5, at each place on roll 33 at which a quicktraverse winding is to be produced on a winding package, the roll is provided with grooved strand-guiding surfaces which engage a strand delivered thereto by the bar 31 and lay the strand in quick-traverse formation until the strand is removed therefrom by the return movement of the slow-moving bar 31.

In a roll 33 of approximately two inches in diameter, these strand-gtflding grooved surfaces can conveniently be made by cutting two grooves and M, approximately; wide into the roll from opposite sides and at the angle appropriate to the angle 01 traverse 01 the quick-traverse portion or winding, and then joining these grooves by other grooves 42, 43, approximately wide. In Fig. 4, the point at the junction ci grooves 40 and 42, is adapted to pick up the strand when it is delivered to this point by the slow motion otbar 3l, whereupon, the aforesaid grooves in roll 33 traverse the strand at a fast rate through a short stroke, until return movement of the bar 31 removes the strand from the connecting groove 42. Quick traverse 0! the 'strand thereupon ceases, until the slow traverse of the strand delivers it to the similar grooves in roll 33 at the opposite end of the package. For th winding et a package of 6" length, the cam"42" which actuates the bar 31 is provided with a throw o! approximatcly 5%", an approximately even rate of progression,'and fairly quick reversalls at the ends et its throw.

In the mechanism shown in Figs. 6, 7 and 8, wherein similar parts are designated by reference characters corresponding to those used in Fig. 2, provision is made for employing a single reciprocating element to carry strand guides 5! for imparting both the slow and the quicktrverse motions to a large number of winding strands in a multiple winding machine. In general it has not been desirable in practice to employ a long reciprocating element as the actuating member ior imparting quick-traverse motion to strand guides of a multiple winding machine since the momentum cf reciprocation has been S0 great as to prevent such mechanism from being run at high speeds. In the machine of Flgs.

6, 7 and 8, this difficulty is overcome, and the traverse mechanism adapted to serve a large number of winding units in a machine 01! say 30 or more teet in length and operate at high speed, by raking the long reciprocating element 50 in the form of a light steel wire, for example of one-eghth inch diameter and with a high degree of spring temper. The light wire 50 is preferably guided by small bearings 52, spaced at intervals, in which it slides with very little friction.

In this embodiment of the invention, a cam 42' haVIng a cam groove Il and mounted on a shatt 55 is driven through gears 56. Il, a pulley 43', belt and pulley 45' from a motor 46' in a manner similar to thatof the embodiment 01 Fig. 2. The cam groove 4l engages and operates a cam-follower 60, which is attached to a crosshead 6l slidlng on guide rods 62, 63, with the result of imparting a slow reciprocating motion to the cross-head 6l. The end portion of the light wire 50 is slidably mounted in the crosshead, and-carries a cam-follower 65 engaging the quick-traverse groove 68 of a small cam 81, which is rotatably mounted in the cross-head. The cam 61 and cam-follower 65 thus constitute a connection between the slovfspeed cam 42 and the reciprocating wire 5l, adapted to impart a slow-traversin motion to the wire 50 and its several strand guides Il.

In Fig. 6, the cam 61 is partially ont away to show a preferred form of mechanisxh for driving it to impart a quick reciprocation to the camfollower 65 and wire 50. As indicated in that figure, the cam 61 is hollow and has attached to the inner surface of its shell a rotary electrical armature 68, adapted to be driven by the stationary fleld colis 66 of an electric motor 0! the inverted type. so as to rotate the cam. This motor, which is preferably 01 three-phase winding, is provided with connections 1l, I2, I3, leading to contacts H, 15 and 16, respectively, which are insulated from and carried by the crosshead 81, and extend from both ends thereof. Groups 01 stationary electrical contacts I8, 19, and 8l, 82, 83 connected to a suitable source of electricity are suitably mounted adjacent to the ends of the reciprocating movement of the crosshead 6l, so that during the time in which the cross-head 6! is near the end of each stroke, the motor contacts Il, lli and [6, touch either the group 01 contacts I6, 19, or the group of contacts 8l, 82, 83, and the motor field 69 is energized and the cam 61 thereby rotated to provide a rapid quick-traverse movement of the wire 50 and strand guides 5l. During the main portion of the winding, however, the cam 61 is inactive since its motor is deenergized, and only the slow motion of the cross-head 6l 15 imparted to the wire .50, so as to produce the spool-wound formation 01 which the package is mainly composed.

In the embodiment of Figs. 6, 7 and 8, the packages are shown as rotated by contact with a plain drive roll au, suitably driven by bevel gearing si, 92 from a motor 93, although any other Suitable mode of driving the packages can be employed.

In the modified term of machine et Figs. 9 and 10, the quick-traverse winding at the ends of the packages is acomnlished by the roll 33 constructed and driven as in the machine of Figs. 2 to 5. The slow traverse of the strand 5 of each package is accomplished by the provision of rotary grooved rolls l00 mounted on a shaft Il" which is driven at a slow speed through a gear 102 and worm lll3 from a motor I04. Any suitable form of grooved roll Il"! may be employed, but it is preferred to employ a roll il!!! having grooves such as described in -United States Patent No. 1,749,355.

In the modlfied term of machine of Figs. 11 to 13, the winding packages rest on a drive roll Il! which is driven as in the machine et Figs. 6 dnd 7 by bevel gears 9l, 92 from a motor 93. A slow motion cam 42, suitably driven in the same manner as in Fig. 6, operates a. follower Il I which in turn slowly reciprocates a bar 3. On this bar are mounted brackets Il in which there are rotatably mounted short quick-traverse cams 5. A cam follower ll6 extends into the groove of cam 5 and is adapted to reciprocate a slider H1 having a slotted strand guide 8. In traversing the main body portion of the package,

each cam 5 and its strand guide na is inactive and serves merely to impart the desired slow traverse to the strand 5.

Roll Il il is provided with tapered portions l20 outside of the region contacted by the winding package, and each quick-traverse cam I i5 is provided with cooperating tapered tires l22 of cork or other friction material, with a result that when the cam Il! reaches either end of the package it is driven at a rapid rate by roll I). The groove in cam 42' is provided with a slight dwell at each end or its stroke to provide for the driving of cam Il! by roll Il to form the quick traverse winding at each end 01 the package.

In this speciflcation and its claims, it will be understood that the term strand" is intended 1. A wound textile package comprised of the same strand lying in a. quick-traverse formation et the ends of the package and approximately perpendicular to the axis of the package in the intervening portion.

2. A wound textile package comprised of the same strand lying in a quick-traverse formation at an end portion of the package and approximately perpendicular to the axis of the package in the main body portion.

3. A wound textile package comprised of the same strand wound in layers of slight pitch, successive layers of the slight-pitch winding being connected at the ends of the package by quicktraverse windings having a plurality of back-andforth traverses, the quick traverse windings forming self-sustaining ends of the package.

4. A wound textile package comprised of a strand wound in layers of slight pitch, successive layrs of the slight-pitch winding being connected at the ends of the package by quick-traverse windings of the same strand having a plurality of back-and-forth traverses, the quick-traverse windings forming self-sustaining ends of the package, the periphera] surface of the package having the form of a figure of revolution of a straight line.

5. A wound textile package comprised of a strand wound in layers of slight pitch, the layers of the slight pitch winding being connected at the ends of the package by a larger number of layers of quick-traverse wound formation of the same strand.

6. A method of preparing a textile package comprising winding a strand in a spool wind and forming a self-sustaining end for the package by laying the same strand at said end of the package in quick traverse formation.

'7. A method of preparing a textile package comprising winding a strand approximately perpendicular to the axis of the package and forming a self-sustaining end for the package by laying the same strand at said end of the package in quick-traverse formation.

8. A method of preparing a textile package comprising winding a strand in a spool wind and forming self-sustaining ends for the package by laying the same strand at bath ends of the package in quick traverse formation.

9. A method of preparing a textile package comprising winding a strand approximately perpendicular to the axis of the package and forming self-sustaining ends for the package by laying the same strand at both ends of the package in quick-traverse formation.

10. A machine for preparing a wound textile package coniprising means for winding a strand in a spool wind, and quick-traverse means for laying the same strand at an end of the package in quick-traverse formation.

11. A.machine for preparing a wound textile package comprising means for rotating a winding strand package, traverse means having a slow motion and acting on the winding strand to distribute it in spool-wound formation, and quicktraverse means adapted to act on the same winding strand at the end portions only of the package.

12. A machine for preparing a wound textile package comprising means for rotating a winding strand package, traverse means having a slow motion and acting on the winding strand to distribute it in spool-wound formation, and a roll having quick-travcrse, strand-guiding grooves positioned to pick up the same winding strand ersing the same winding strand back and forth.

from one of said zones to the other, at a materially sl'ower rate of traverse than in said zone. thereby to form the main body portion of th package.

14. A machine for preparing a wound textile package comprising means for rotating a winding strand package, traverse means having a slow motion and acting on the winding strand to distribute it in spool-wound formation, and constantly operating quick-traverse strand-guiding means operative to pick up the same winding strand only in relatively narrow zones at the end face portions of the package.

15. A machine for preparing a wound textile package comprising means for rotating a winding strand package, and two constantly running traverse elements engageable With the same winding strand, one in advance of the other, the traverse element which engages the strand nearer to the winding package being self-threading and having a shorter and faster throw than the other element.

16. A machine for preparing a wound textile package comprising means for rotating a winding strand package, a reciprocating strand guide, means for imparting a slow reciprocating movement to the strand guide such as to lay the winding strand in spool-wound formation, and means acting only when the strand guide occupies the. end portions of its traverse stroke to impart to said guide a supplemental quick reciprocating movement.

17. A machine for preparing a wound textile package comprising means for rotating a winding strand package, a reciprocating strand guide, driving connections for the guide adapted to impart a slow reciprocating movement thereto, said driving connections including a normally idle cam and cam-follower adapted to impart a supplemental quick-traverse movement to the guide, and means for causing the cam to operate the follower to impart said supplemental quick-treverse movement only in end zones of the stroke of the strand guide.

18. A machine for preparing a wound textile package comprising means for rotating a winding strand package, a reciprocating strand guide, driving connections for the guide adapted to impart a slow reciprocating movement thereto, said driving connections including a normally idle cam and cam-follower adapted to impart a supplemental quick-traverse movement to the guide, a motor adapted to drive said cam, and means for energizing said motor to impart said supplemental quick-traverse movement only in end zones of the stroke of the strand guide.

19. A machine for preparing a wound textile package comprising means for rotating a winding strand package, a reciprocating strand guide,

.driving connections for the guide adapted to impart a slow reciprocating movement thereto, said driving connections including a normally idle cam and cam-follower adapted to impart a supplemental quick-traverse movement to the guide, a motor adapted to drive said cam, and actuated 85 a consequence of switch .means operated by the driving connection for the guide to energize said motor only in the end zones of the stroke of the strand' guide to impart said supplemental quick-traverse movement only in end zones of the stroke of the strand guide.

20. A machine for preparing a wound textile package comprising means for rotating a winding strand package, a. reciprocating strand guide. driving connections for the guide adapted to impart a slow reciprocating movement thereto. said driving connections including a motor-driven mechanism for imparting a supplemental quicktraversing movement to the guide, and means for actuating said motor-driven mechanism only in the end zones et the stroke of the strand guide.

21. A wound textile package comprised of the same strand lying in quick-traversed formation at an end portion of the package and in a slowly traversed formation in the main body portion of the package abutting said end portion, the quicktraversed strand in said end portion having reversals et traverse greater in number than the number of iayers of the slowly traversed,strand which abat said end portion.

22. A machine for preparing a. wound textile package, the machine having therein a winding package drive roll, means for traversing the winding strand with a relatively slow traverse, quicktraverse mechanism adapted to impart a quicktraversing motion to the winding strand within a given zone et the package, said quick-traverse mechanism including driving means adapted to be stopped and started, and means for automatically stopping and starting the said quick-traverse driving means at intervals during operation of the winding package drive roll.

23. Method of preparing a wound textile strand package comprising rotating the winding package frictionally, traversing the winding strand with a relatively slow traverse, then subjecting the winding strand to the action of a quick-traverse mechanism in a relatively narrow zone at an end of the package, and traversing the strand with a relatively slow traverse in the main body portion of the package, stopping the quick-traverse mechanism while the strand is being traversed with the slow traversing motion in the main body portion.

EDWARD J. ABBOTT CERTIFICATE OF CORRECTION. Patent No. 2,20 Q5g. June 2 19).

. EDWARD J. ABBOTT.

It 13 hereby-cert1fied that errer aPpears in the prined specification of the above numbered patent requiring correction as follows: Page 14., second column, line 75, page 5, f1rst column, line 1, claim 19, strike out the words "actuated as a consquenceof"; and that the said Letters Patent;

should be read w1th t113 correction therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 5rd day of September, A. D. 191w.

Henry Van Arsdale, (Seal) Acting Commissioner of Patients.

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