US1936036A - Winding device - Google Patents

Description

1933- E. R. SWANSON WINDING DEVICE Filed Feb. 10, 1930 2 Sheets-Sheet l Mr M: r 01.7w =2 E. R. SWANSON WINDING DEVICE Nov. 21, 1933.

Filed Feb. 10, 1930 2 Sheets-Sheet 2 Patented NW. 21, 1933 WINDING DEVICE Application February 10, 1930. Serial No. 427,376

14 Claims.

Wj moved from driving contact therewith.

7 Another object of the invention is to provide detent-means which operate automatically to prevent the reverse turning of the cop or pack-- age after it has been removed from driving con- 1 tact with the drive-roll or drum should the end of the yarn be caught on the roll or other going part of the machine.

Another object of the invention is to provide means embodied in the cop-tube or yarn-receiver for engaging with a detent on the windings'pindle to prevent the reverse rotation of the cop or package when it is raised oil from the driveroll or drum, and which is automatically released from the detent immediately the package is again placed in contact with the roll or drum.

Further objects of the improvement are set forth in the following specification which de scribes a preferred embodiment of the invention as illustrated by the accompanying drawings. In

1 the drawings:

Fig. 1 is a View illustrating the essential elements of a winding machine with the present invention applied to use thereon and showing the cop-tube or yarn-receiver in peripheral contact v with the drive-roll from which it is driven;

Fig. 2 is a similar view showing the cop-tube or yarn-receiver raised away from the drive-roll and locked in engagement with the detent-"neans to hold it from reverse rotation after the winding i operation has been arrested;

Fig. 3 is a perspective view of a conventional type of wooden cop-tube or yarn-receiver showing it mounted on the winding-spindle and engaged with the detent-means;

Fig.4 is a plan view ofthe cop-tube or yarnreceiver shown as mounted on the winding-spindle and released from engagement with the detent-means;

Fig. 5 is a similar plan view showing the coptube or yarn-receiver engaged with the detentmeans; and

Fig. 6 is an enlarged perspective View showing the construction of the end of the cop-tube formed with shoulders or abutments which engage the detent-means on the winding-spindle.

In winding machines of the frictionor drumdriven type the cop, cone or other form of package is rotated by contact of its surface with a continuously driven drive-roll or drum and to arrest the winding the package is lifted or otherwise inoved bodily away from the driving-means.

It frequently occurs in the operation of machines of the type described that when the yarn breaks its end will be caught on the drive-roll, the roll shaft, or some other going part of the machine and will be wound thereon to pullit off from the package by rotating the latter after it has been lifted out of contact with the drum or drive-roll. In such event a considerable amount of yarn may be wound off from the package, causing waste of the material and usually obstructing or clogging the proper operation of the ma-- chine. For instance, the yarn may be wound back from the package onto the drive-roll to build up a ridge or bunch which will prevent theproper contact or the package with the surface of the roll when the winding is again started unless the waste yarn is removed from the roll. Occurrences of this sort interfere with the proper operation of the machine, requiring more attention on the part of the operator and reducing the output or productive capacity of the machinej To avoid such conditions during the operation of the machine the present invention provides a novel and ingenious means for preventing reverse rotation of the cop-tube so that should the yarn or other strand be caught on a moving part it will be broken rather than drawn off from the package and wasted. x

Referring to the present drawings, in Fig. 2 the reference numeral 2 designates the cylindrical drum or drive-roll which is carried fast on rotated from a continuously driven shaft 3. The winding spindle 5 is arranged opposite the drive-roll 2, being mounted on the end of a swinging 6 to adapt it to recede from the roll as the winding increases in diameter. In the present illustration of the invention the winding mechanism is shown as adapted for winding conical cops or packages and for this purpose a frusto-conically shaped tu or yarn-receiver X is applied to the winding-spindle 5. The conetube X as herein shown .is bored axially at a: to adapt it to be mounted on bushings or rollers '7 rotatably jcurnalled on the spindle 5 which is shouldered at its butt or rearward end. One of the rollers 7 abuts the shoulder 8 and a separating sleeve 9 spaces the other roller '7 outwardly on the spindle where it is held in place by a collar or washer 10. Beyond the washer 10 the spintube or yarn-receiver X.

The larger or base end of the cone-tube X is counter-bored at c to adapt it to receive the enlarged shank of the spindle 5, with the shoulder 8 serving as an abutment to hold the tube from axial movement in this direction. A latch or finger-catch 12 is pivoted in a slot at the outer end of the spindle 5 to adapt it to be turned into position extending radially with respect to the axis of the spindle as shown in 1, whereby it serves as a means for holding th cop-tube X in place on the spindle. The latch 12 is of usual arrangement, being adapted to be turned into position in alinement with the spindle 5 to provide for placing the cop-tube X on or removing it therefrom.

Any suitable means may be provided for traversing the yarn longitudinally of the windingspindle to deposit it on the package in helical coils extending from end to end thereof in the usual manner of a cross-wind. As herein shown, a thread-guide l5, slidable on horizontal tracks or ways 16 and 17, is reciprocated by a helical cam 18. The thread-guide 15 is formed with a suitable slot or groove 19 through which the strand of yarn y or other material feeds and at its lower end it carries a roller or bowl 20 engaging the helical groove 21 in the periphery of the cam 18. The cam 18 is supported and driven from a continuously rotating shaft 22.

The cone-tube or yarn-receiver X may be constructed of any suitable material such. as wood, fiber or the like, and preferably its surface is scored with annular grooves g for holding the coils of winding from slipping out of place. l'he larger or base end of the tube X is usually provided with a wider peripheral groove or concavity e for receiving a few turns of the first end of the strand which may be later unwound for splicing to another cop or package.

' In the present form of construction of the invention the cop-tube X is provided with means at its smaller or apex end which engage with the latch 12 to prevent the reverse turning of the tube on the spindle 5. As shown most clearly in Figs. 3 to 6, the apex end of the tube X is formed with one or a plurality of notches it cut into the wood or other material. Preferably, the notches n are inclined inwardly from the end of the tube and formed with abrupt shoulders or abutments 3 similar to the construction of ratchet teeth. The notches 11. extend ,away from the shoulders s in a direction opposite to the normal direction of rotation of the tube on the spindle 5 when it is driven from the drive roll or drum 2. It will thus be apparent that when a shoulder or abutment s is engaged with the edge of the latch 12, as shown in Figs. 2, 3 and 5, the tube X will be prevented from turning in the opposite direction to that in which it is normally driven by the drive-roll 2; but when the tube or the package wound thereon is brought into contact with the drive-roll its nor- V mal rotation will not be resisted. That is to say,

as the tube X is rotated by the drive-roll 2 in the direction indicated by the arrow in Figs. and 5, the edge of the latch 12 will ride the incline of the notch 12 to thereby free the tube from further restraint. The method of operation of the complete device is as next explained.

To prepare the machine for winding the coptube or yarn-receiver X is placed on the spindle 5 with its bore engaging the rotatable rollers or sleeves '7, the spindle being raised away from dle 5 projects through a reduced bore :c in the the drive-roll 2 on its swinging arm 6 for this purpose. The tube X is slipped onto the spindle 5 while the latch 12 is turned down in alinement with its axis and after the tube is in place the latch is turned back in radial position as illustrated in the drawings, it being understood that suitable means, not herein illustrated, are provided for holding the latch in either position. The spindle 5 is normally inclined downwardly toward its outer end and when in elevated position, as illustrated in Fig. 2, the cop-tube X will have a tendency to slide down the incline to bring its end against the latch 12. Therefore, any tendency to rotate the tube X in the direction opposite to that in which it is normally driven will cause the latch 12 to enter one of the notches n to engage the shoulder or abutment 8 to prevent such reverse turning of the tube.

The end of the strand of yarn y is fastened to the tube X by winding it in the groove 6 at its base end, and to start the winding the spindle 5 is lowered to place the surface of the tube in contact with the drum or drive-roll 2. When the periphery of the tube makes contact with the surface of the drive-roll 2, as shown in Fig. 1, the pressure of the tube on the roll will have a tendency to slide the tube to the right, see Fig. l, to release its notched end from the edge of the latch 12. In any case, immediately the tube X is started to rotate by contact with'the drum 2 its turning movement will cause the latch 12 to ride out of the notch n in which it is engaged and thereafter the end of the tubewill be free from contact with the latch as shown in Fig. 1. Stated briefly, the weight of the. arm 6 and other parts connected therewith exerts pressure to maintain a frictional driving contact between the surface of the tube, or the yarn mass wound thereon, and the periphery of the drive-roll 2, and this pressure tends to slide the tube in the direction of its larger end to maintain the end of its counterbore 0 bearing against the shoulder 8 on the spindle 5 as shown in Fig. 4.

As the cop-tube X is rotated from the driveroll 2 it winds on the yarn and the strand will be picked up in the groove or slot 19 of the reciprocating thread-guide 15 whereby it is traversed by the guide in the manner as before explained.

Suitable instrumentalities, not herein shown, are usually provided for automatically arresting the operation of the winding machine when the strand breaks or its supply is exhausted. Such means operate to raise the spindle 5 to lift the cop or package off from the drum or drive-roll 2 to interrupt the driving contact. When this action takes place and the spindle 5 is lifted into a position as illustrated in Fig. 2, the coptube X will slide down the spindle to cause its end to bear against the latch 12 as the tube comes to rest. Now, should the end of the strand 1! become caught on the drive roll 2 or its shaft 3, or tangled in any other going part of the machine, the tube will be prevented from turning under the pull on the strand. For instance, should the end of the strand be wound onto the periphery of the roll 2 or about the shaft 3 it cannot be drawn back to unwind it from the package due to the fact that the tube X is restrained from turn-v ing in a reverse direction by the engagement of the latch 12 with one of the notches n in its end. The caught end of the strand will therefore be broken so that the yarn will not be pulled off from the package and wasted. Moreover, the

yarn cannot be wound back onthe drive-roll 2 to buildup a ridge whichjwill prevent the package from properly contacting with the roll when it is desired to again start the winding operation.

It will be observed from the foregoing that the present invention provides an important improvement in the art by preventing accidental or unwarranted unwinding of the materialfr'om the package to cause waste or to hinder and prevent the proper operation of the machine when the winding is again started. The improvement not only provides against waste of material, but conserves the time of the operator which would be spent in unwinding or pulling off the waste yarn coiled about the drive-roll or entangled in other parts of the machine. The invention thus eliminates one source of loss of production on the machine and its use results in important economies in the operation of machines of the type specified.

In the foregoing specification and the appended claims the term yarn is used in a generic sense to designate all kinds of textile materials, and the term package is intended to be construed broadly as indicating any form of yarn mass. Likewise, the term cop-tube is intended to apply to all forms of yarn-receivers or supports for the package.

While the improved device is herein described and illustrated as embodied in a preferred form of construction, the structure and arrangement of its parts are susceptible of modification without departing from the spirit or scope of the invention. Therefore, without limiting myself in this respect, I claim:

1. In a winding machine, the combination of a winding-spindle, a cop-tube rotatable on the spindle, means for rotating the cup-tube to wind strand material thereon, and means maintained free from engagement with the cop-tube during rotation thereof and engageable therewith upon arrestment or" its rotation to prevent turning of the cop-tube in a direction to unwind the yarn while permitting it to turn in the direction in which it normally rotates.

2. In a winding machine, the combination 01 a winding-spindle, a yarn-receiver rotatable on the spindle, means for rotating the yarn-receiver to wind material thereon, and detent-means on the winding-spindle engageable with the yarnreceiver when its rotation isarrested to prevent it from turning in the reverse direction to unwind the material.

3. In a winding machine, the combination of a cop-tube, means for rotatively supporting the cop-tube, means for rotating the cop-tube in a predetermined direction to wind material thereon, and means engageable with the cop-tube to prevent reverse turning thereof when the winding operation is arrested, said means being automatically released from engagement with the cop-tube when the latter is rotated in its normal direction.

4. In a winding machine, the combination of a winding-spindle, a yarn-receiver rotatable on the spindle and provided with an abutment at its end, means for rotating the yarn-receiver in a predetermined direction to wind strand material thereon, and detent-means for engaging the abutment on the end of the receiver when its rotation is arrested to prevent it from being turned in the reverse direction.

5. In a winding machine, the'combination of a cop-tube formed with notches in its end, a winding-spindle for rotatively supporting the coptube, means for rotating the cop-tube to wind material thereon, and means carried into engagement with the notches in the cop-tube when its rotation is arrested to prevent it from turning in the reverse direction to unwind the material.

- 6. In a winding machine, the combination of a cop -tube having a detent-shoulder at its end, a winding-spindle for rotatively supporting the cop-tube, a drive-roll for rotating the cop-tube to wind material thereon, said winding-spindle anddrive-roll being separable to arrest the driving action, and means engageable with the shoulder on the cop-tube when its rotation is arrested to prevent the tube from turning in the reverse direction to unwind the material.

'7. In a winding machine, a frusto-conical coptube provided with a detent-notch in its end, a winding-spindle for rotatively supporting the coptube, means for rotating the tube on the spindle to wind material thereon, and means engageable with the detent-notch in the cop-tube when the latter is slid on the spindle whereby to prevent it from turning in a direction opposite to its normal direction of rotation.

8. In a winding machine, the combination of a frusto-conical cop-tube formed with a detentnotch in its apex end, an inclined spindle for rotatively supporting the c0ptube, a drive-roll for rotating the cop-tube on the spindle to wind material thereon, said spindle and drive-roll being separable to arrest the winding operation, and detent-means on the spindle adapted to engage the notch in the end of the cop-tube when the latter slides down the incline of the spindld under the action of gravity as its rotation is arrested.

9. In a winding machine, the combination of a drive-roll, a winding-spindle supported in inclined relation with respect to the drive-roll and adapted to be moved toward and away therefrom, a cop-tube rotatively supported on the winding-spindle and slidably axially thereof, said cop-tube formed with an inclined notch in its end, and a detent on the winding-spindle adapted to engage with the notch in the coptube when the spindle is moved away from the drive-roll in the manner and for the purpose substantially as described.

10. In a winding machine, the combination of a support for a package, means for rotating the support in a given direction to wind yarn thereon, and means free from engagement with the support during rotation thereof and adapted to.

engage therewith upon arrestment of its rotation to prevent turning of the package in a direction to unwind the yarn therefrom while permitting the package to turn in the normal direction at all times.

11. In a winding machine, the combination of means for rotating a package to wind yarn thereon, means for arresting the winding operation, and detent-means for preventing the rotation of the package in a direction to unwind the yarn when the winding operation is arrested while permitting it to turn in the normal direction of rotation, said detent-means being maintained free from engagement with the package by the rotation of the latter when the yarn is being wound thereon.

12. In a winding machine, the combination of a package-support having an abutment thereon, means for rotating the support to wind yarn thereon, means for arresting the rotation of the support, and means engageable with the abutment on the support upon the arrest of rotation 14. In a winding machine, the combination of a winding-spindle, a yarn-receiver rotatable on the spindle and providedwith an abutment atits end, and a latch adapted to be adjusted into position to retain the yarn-receiver in place on the spindle, said latch being also adapted to engage the abutment on theyarn-receiver when rotation of the latter is arrested to prevent it from turning in a direction to unwind the yarn therefrom.

ERNEST R. SWANSON.

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