US1688800A - Winding of yarns upon beams - Google Patents

Description

Oct. 23, 1928. 1,688,800

J.BRANDWOOD E AL WINDING OF YARNS UPON BEAMS Filed may 2s, 1925 2 Sheet-Sheet '1 Oct. 23, 1928. 1,688,800

J. BRANDWOOD ET AL WINDING OF YARNS UPON BEAMS fi u 5' u 1 8 Lzven/orsl- A W M r y ke/ir Allow/q Patented Oct. 23, 1928.

UNITED STATES PATENT OFFICE.

JOHN BRANDWOOD, OF SOUTHPOR'I, ENGLAND, AND JOSEPH BRANDWOOD, OF WABAN, MASSACHUSETTS.

WINDING OF YARNS UPON BEAMS.

Application filed May 23, 1925, Serial No. 32,513, and in Great Britain January 9, 1925.

In the winding of yarns upon beams the surface of which is non-continuous, as for instance by being formed of bars or the like which are longitudinal to the beam to enable the yarns to be dyed in a dyeing vessel of the type described in the specification to United States Letters Patent N 0. 1,174,662, there is a danger of the beam barrel and also the yarns being wound thereon being damaged, owing to a certain bumpiness when the bars of the beam barrel come into contact with the surface of the usual friction winding drum employed for the purpose of winding. The present invention has for object a means for avoiding this and for winding the yarns on the beam in an even manner as smoothly as on beams having a continuous yarn bearing surface.

According to the invention we place the beam in the winding apparatus as usual parallel with and adjacent to the winding drum but in such a manner that its yarn bearing surface does not touch the winding drum, and rotate the beam by independent means making driving contact with the beam hubs or bosses until a sufficient thickness of yarn is wound on to enable the outer surface of the wound yarn to make contact with thewinding drum. WVinding then proceeds by friction with the winding drum as usual, the preliminary driving means for the beam being automatically knocked oif as soon as contact between the winding drum, and the yarn wound on the beam by such preliminary driving means, has been established.

Methods of carrying the invention into effect will now be fully described with reference to the accompanying drawings, wherein Figure 1 is a side elevation of part of a winding apparatus showing the beam in position for winding; Figure 2 is a partial front View of the beam and accessories, taken from the right of Figure 1; Figure 3 is a similar view to Figure 1 of a modification of the driving means and Figure 4: is a partial plan View of Figure 3, showing the apparatus frame in section and the pivoted beam bearing arm being removed for clearness.

The beam illustrated in the figures is one havin specially formedopen ends to enable it to be fitted within a dyeing kier for the fluid treatment of the yarns ultimately wound thereon, the hubs or bosses being approximately equal to but slightly greater than the diameter of the beam barrel. As will be understood from the description which follows however, any beams may be provided with rings or the like on its bosses to attain this substantial similarity in diameters of bosses and beam barrel to enable the method of winding, forming the subject of this invention, to be carried out.

Referring to Figures 1 and 2, 3 is part of the beaming frame, 4- an arm pivoted thereon with a bearing 5 to receive the necks of the shaft 6 of a beam 7 having a tubular end boss 8 and flange 9. It will be understood that, as usual, two armsa, one on each side of the frame, are provided, these arms being of any known type or form; and that the other end of the beam 7-not shown-is similar to that illustrated. 10 indicates yarns passing through reed 11 and down to the beam 7 as for instance from another beam fitted rotatably on the other side of the frame 3, and not shown. 12 is the winding drum which may be of wood covered with canvas as usual, and it is mounted on a shaft 13 which is ournalled in bearings 14 in the frame 3. Any known means of driving the shaft 13 may be employed, one of the spur wheels of a drive therefor being indicated at 15.

On the shaft 13 of drum 12 at either side of the said drum, is fitted a tubular sleeve or boss 16 which carries a disc 17 which disc has a peripheral groove formed therein to receive rings of leather or the like as indicated at 18, to form a friction driving edge. These rings are secured together and within the groove by means of rivets 19 or by other suitable means.

When the beam 7 is placed in position in the apparatus the outer portion of the boss on each side of the said beam makes ClllVll'lg contact with the driving edge of the disc 17 on that side, resting upon the said disc by its own weight. A very efficient driving contact is thus established. The winding drum shaft 13 being then started, yarn 1O begins to wind upon the rotating beam. 7 and the winding is continued in this manner until a suflicient thickness of yarn has been wound upon-the beam to allow of the outer surface of such layer making contact with the surface of the winding drum 12. lVhen that point is reached and the layer of yarn continues to increase the beam begins to lift owing to the increasing thickness of the yarn layer upon the beam, and driving contact between the l O O beam on that side.

discs 17 and beam bosses 8 is thus broken, the winding then continuing as usual by frictional contact of the yarn with drum 12.

Any desired and convenient thickness of yarn may be wound upon the beam by the means described before the. winding drum comes into operation. In apparatus arranged as in the drawings, the thickness of this layer will be equal to the distance between the beam surface at 7 and the winding drum before the preliminary winding is commenced, and this distance is determined by the diameter of the discs 17 in relation to that of the winding drum 12 and the relation of the diameters of the bosses 8 to the diameter of the beam body'l'. Variations of these relative dimensions will give variation in the thickness of yarn wound on before the winding. drums makes contact with the said layer, as will be understood, with differences in the preliminary speed of winding and the subsequent speed of winding by contact with the Winding drum. Our system however ensures that the difference in all cases shall be slight. If the winding drum and the driving discs are of equal radius, for instance, the beam body twelve inches in diameter, and the end bosses 8 fourteen inches in diameter, then the thickness of layer wound on as a preliminary by the action of the driving discs will be one inch, before the winding drum takes up the drive by friction on the yarns and the beam commences to lift from the said discs by the increasing thickness of the yarn layer.

A further method of carrying out the invention is illustrated in Figures 3 and it. the beam being of the same relative dimensions as in the first modification. In these Figures 3 and 4, a fork bracket 20 is secured to the framing 3 and in this bracket are provided bearings for the shafts 21 and22 to which are keyed the two small discs 23 and 2a, each of which has a frictional driving edge, these discs being in continual frictional contact. Driving discs 17 on the winding drum shaft 13 is in continuous frictional contact with the smaller disc 23 and the other small disc is so placedthat when the beam is in position the boss 8 of the said beam rests upon the said disc 24 and makes frictional driving contact with the edge thereof. The discs 17 and 23 and 24 are of course duplicated on the other side of the apparatus, to drive the boss of the Disc 23 is rendered yieldable by mounting its shaft 21 in a bearing .block 25 free to slide in a slot 26 in the bracket 20 against the pressure of a spring 27.

In this latter modification the initial winding speed of the beam may be, if the hubs and beam barrel are the same diameter, exactly the same as the peripheral speed of the winding drum. As the yarn layer grows upon the beam barrel the tension on the yarn is tightened slightly and when the said yarn layer makes contact with the winding drum surface for the winding operation to continue in the usual manner, the transition from one speed to theother is easily effected without rubbing friction on the yarns, owing to the slight difference in the yarnspeeds. By arranging the relative diameters it will be understood that the initial winding speed for the yarn may be slightly less than the winding drum surface speed, the speed gradually rising until, when the yarn layer on the beam makes driving contact with the winding drum, the speed is exactly that of the winding drum, the drum thus taking over without strain or rubbing on the yarns.

lVe claim 1. In an apparatus for the winding of yarns upon a flanged yarn beam with bosses, the diai'neter of which are approximately the diameter of the yarn barrel of the beam, a friction driving drum, a shaft upon'which the said drum is mounted, bearing arms pivoted to bear the yarn beam parallel to the driving drum shaft, and a disc mounted on the shaft at either side of the friction drum and spaced apart therefrom to allow the reception of the flanges of the beam when borne in the pivoted arms in the respective spaces between the disc and the drum, the diameters of the discs and friction driving drum being approximately equal and the diameters of the beam bosses and of the beam barrel being in such relation that the beam barrel is clear of the friction driving drum when the said beam rests by its bosses upon the discs.

2. In an apparatus for the winding of yarns upon a flanged yarn beam with bosses, the diameters of which are approximately the diameter of the yarn barrel of the beam, a friction driving drum, a shaft upon which the said drum is mounted, bearing arms to bear the yarn beam parallel to the driving drum shaft, a disc mounted on theshaft at either side of thefriction driving drum and approximately equal in diameter to the said drum, each such disc forming the first element of a train of friction discs mounted at each side of the driving drum and spaced apart therefrom, the trains of discs, the beam bosses and the beam barrel being in such relation that the beam barrel is clear of the friction driving drum when the beam bosses rest upon the end elements of the friction disc trains.

I11 testimony whereof we have hereunto set our hands.

JOHN BRANDWOOD. JOSEPH BRANDWOOD.

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