US3044245A - Creel for the feeding of spinning machines with cans of drawing frame sliver - Google Patents

Description

July 17, 1962 J M CREEL FbR Filed March 28, 1960 SANGLAS CASANOVAS THE FEEDING OF SPINNING MACHINE WITH CANS OF DRAWING FRAME SLIVER 2 SheetsSheet l INVE/V7'0R Jose M. samems GASfi/VOl/AS July 17, 1962 V Fil''d March 28, 1960 J. M. SANGLAS IZASANCVAS CREEL FOR THE FEEDING OF SPINNING MACI-IIN WITH CANS OF DRAWING FRAME SLIVER I 2 Sheets-Sheet 2 5 MrvE/vroR close M. SANGL/IS ans/waves 8 WWW 14 4 ,MMML 752 7.

United Etates Patent CREEL FUR THE FEEDING OF SPINNING MA- CHENES WITH CANS 0F DRAWING FRANIE SLEVER Jos Maria Sanglas Casanovas, Avenida Jos Antonio 655, Barcelona, Spain Filed Mar. 28, 1960, Ser. No. 18,107 Claims priority, application Spain Apr. 1, 1959 8 Claims. (Cl. 57-36) It is already known, in the spinning of cotton, to supply the spinning machines directly with the sliver produced in the drawing frames, that is to say, omitting the passing of this sliver through the flyer frames, and correspondingly increasing the draft on the spinning machine. This system yields an excellent output or efliciency, but in practice dififiiculties arise in the method of feeding the sliver to the spinning machine, since if the sliver is arranged in the same cans in which it is normally wound on issuing from the drawing frame, the dimensions of these cans do not permit the easy locating thereof in the spinning machine, and if they are placed on the ground, as is usually done, for the feeding of the flyer frames, the considerable space that they require does not permit the use of spinning machines on both fronts.

Attempts have ben made to solve these difiiculties by means of two distinct systems of feeding, neither of which constitutes a perfect solution. The first of them consists in-winding the sliver produced on the fiyer frame on bobbins the dimensions of which are adequate to enable them to be arranged on the creel or bobbin-carrying frame of the spinning machine, but this system, apart from the necessity of the winding operation, exhibits the disadvantage that the resulting bobbins, by their large dimensions, are difficult to manipulate, and that the sliver is unprovided with protection, and is therefore exposed to the action of dust and friction, which occasions lifting of the fibres, and this has repercussions upon the quality of the yarn produced.

The second feeding system employed consists in winding the sliver as it issues from the drawing frame on cans similar to normal cans but of sufiiciently small dimensions to enable them to be located on the usual creel of a spinning machine. With this system, the sliver is indeed conveniently protected, since it is understood that the reduced capacity of the cans necessitates a frequent change of the same, or else the use of a greater number of cans, arranging them on a creel with various rows and various planes, which in both cases proves rather unpractical.

The present invention relates to a creel or frame for feeding of slivers of fibres into spinning machines, which permits the use of drawing-frame sliver cans of larger dimensions, and therefore of greater capacity, yielding, in spite of this, ready access to the interior of the cans when such is necessary owing to the breakage of the sliver or for other causes.

The invention is characterised by providing, on the creel, individual supports for the cans of drawing-frame sliver, in which the cans remain firmly secured, and providing them with means that allow them to rock in a vertical plane through an angle of towards the front of the machine, thus presenting the mouths of the cans to the operator when it is necessary to manipulate in the interior of the same.

The creel may moreover include a second row of supports for the cans, similar to the previous ones,rbut

3,044,245 Patented July 17, 1%62 cess to the corresponding can in the 'back row thus remaining free.

In order to guide the sliver of fibres better as they leave the cans, there is preferably applied, according to a further feature of this invention, a guide constituted by a small support secured to the mouth of the'can, which carries, in a fixed position, at a certain height above the edge of the can, a slender horizontal rod, over which is passed the sliver or slivers that are unwinding from the can. These individual guides facilitate the operation of passing the sliver over the guide, notwithstanding the height of this guide, whether it be by rocking the can or by withdrawing it from the creel. On the other hand, with this guide a greater regularity is obtained in the feeding of the sliver, since the rod constrains the sliver to elfect a sudden change of direction, which exerts a braking action upon the unwinding movement of the sliver, thus preventing the unwinding from taking place jerkily, and preventing the intrinsic weight of the descending branch of the sliver from imparting to it an excessive speed of unwinding. Moreover the slivers are prevented from remaining subjected to prejudicial tensions as a result of the movements of the cans and their supports on the creel, since the length of sliver included between the guide rod and the entrance to the drawing mechanism is maintained practically constant, whatever may be the position of the can.

The creel of this invention will now be described in detail with reference to the accompanying drawings, in which the essential part of a creel for drawing-frame sliver cans according to the invention is illustrated by way of example.

FIGURE 1 is a plan view of. the creel, showing the various positions of the supports, with the cans;

FIGURE 2 is a side view of the same creel, with the cans in the normal or working position;

FIGURE 3 is a similar view, indicating the movements that may be effected by the cans in the two rows of the creel;

FIGURE 4 shows a detail on a larger scale, representing, in a side view, one of the cans provided with the sliver guide of this invention;

FIGURE 5 is a view from above of the can and sliver guide shown in FIGURE 4; and

FIGURE 6 is a partial side view showing the means for securing a can to a plate.

As shown in FIGURES l to 3, the creel comprises a longitudinal bar 1, supported at a convenient height, behind the drawing mechanism 2, by means of suitable legs 3. Upon this longitudinal bar 1 are arranged, suitably spaced apart, a number of individual supports, each constituted by a plate 4, upon which is supported a can 5, which contains the drawing-frame sliver, and which is provided with a suitable securing means, which may for instance be constituted by a clip or ,band 30 which surrounds the base of the can, and is provided with a fastening 31 for securing the can 5 by its base, attaching it firm ly to the plate 4 as shown in FIGURE 6.

These plates 4 are each mounted upon the longitudinal bar 1 by means of an articulation 8, which permits the plate to rock in a vertical plane towards the front of the machine, through an angle of 45 for example, the can then assuming the position 5' represented in FIG- URES 1 and 3, in which, notwithstanding its height, the interior of the can is accessible to the operator, thanks to its inclination. These articulations 8 are moveover provided with means for fixing the can 5 in its normal vertical position, consisting for instance in a pressure device, actuated by hand or by means of a spring.

From the longitudinal bar 1 a series of arms 1t) extend at right angles above the drawing mechanism 2, and at the end. 11. of'each. of these. arms is articulated, upon a vertical pivot, a second arm 12, whi-ch carries at its end an articulation 13 and a supporting plate 14 similar to those previously described, tor thej locating and securing of another can 15.

The arms 12. normally form a certain angle with the corresponding supporting arms 10, in such a way that eachof the cans 15. that they support remains situated facing one of the vcans'S of the hast row, thus forming, in front of the latter, a second or front row of cans.

, The'position of the pivotal points 11 of the'arrns 12 above the correspondingsupporting arms 16, is calculated in such a manner that by causing an arm 12 to execute a turn of approximately 90, the can 15 that it supports assumes a position in front of the adjacent can 15 in the same iront row, that is to say, the position 15' represented in FIGURE 1, in which the corresponding can in the back row remains free to be able to rock to the position 5'.

The articulations 13 of the supports of the front row are oriented in such a manner with respect to the arms 12 that when these are occupying the angular position in which the can 15 remains situated in front of the front row of cans 15, the said can 15 can in its turn rock as represented at 15" in FIGURES 1 and 3, to remain in this way likewise accessible to manipulation.

The individual guide for the sliver which is being un-- wound from the can comprises lateral supports 21, which are fixed upon the edges of the cans 5 and 15, and between tlhe upper ends of these supports is fixed a slender horizontal rod 22, which remains situated at a certain height above the mouth of the can, and in a Vertical plane approximately tangential to the lateral surface of the can. The fixing of these supports 21 to the can 5 is preferably efiected in a detachable manner, for instance by making the said supports rigid with an open resilient hoop 23, which fits closely, upon pressure, upon a flange 24 at the mouth of the can 5. The said rod 22 is designed to serve as an individual guide for the sliver or slivers 25 which are being unwound from each "can 5,

a and 15 in the two rows in a substantially vertical direction,

to the entrance into the drawing mechanism 2.

As can be seen in FIGURE 3, the sliver is unwound from the can without rubbing on the edge of the same,

7 the relative distance between theguiding rod 22 and the edge ofthe can being maintained constant positions that the latter can assume.

It is likewise convenient to arrange the pivoted arms in all the 12 and the articulations 13 of the front supporting plates in such a way that as the cans 15 of the front row swing round. to the position 15, their guide-rods 22, remain situated laterally, that is tosay, in a direction perpendicular to that which they hold in their norm-alposition 15, and that the inclination of these cans is likewise etfected laterally to the position 15", as. indicated. in

'FIGURES l and 3. In this manner the length of ithe portion of sliver 25 included between the guide rod 22 and the entry to the drawing mechanism 2 is kept prac- V tically constant, similarly to' what occurs in the cans 5 comprising a seriesof cans, a series of supports for said cans, each support comprising a plate, means for securing a can to said plate, and means for pivotally mounting said plate upon the creel topermit the rocking of said can in a vertical plane through a suitable angle'for faciliating access to its interior.

.ZQA creel as claimed in claim 1 wherein a longitudinal support is fixed to said creel for supporting a row of plates and a plurality of arms are pivotally mounted on said creel to support a second row of plates in front of said first named row.

3. A creel as claimed in claim 2 wherein the plates of the cans in'said second row are pivoted to said arms so that when a can in said second row is positioned in front of an adjacent can in said second row, it may pivot to render its interior accessible.

4. A creel as claimed in claim 1, wherein a horizontal rod is mounted on each can above the mouth of the can, and in a vertical plane approximately tangential to the lateral surface of the can thereby causing the sliver that is unwound from the can to pass over said rod, thus forming an individual sliver-guide, the distance of which from the rod above the edge of the can, and the diameter of the rod constrain the sliver that is unwinding from the can toundergo a deflexion through an acute angle thereby exerting a braking action upon the unwinding speed of the sliver, and thus regularizing the tension thereof.

6. A creel as claimed in claim 4, wherein the cans of said first and second rows are arranged upon the corresponding supporting plates in positions opposite to one another so that the various guide rods remain face to face, guiding the corresponding slivers between the two cans in a substantially vertical direction towards the entry to the drawing mechanism.

7. A creel as claimed in claim 4, wherein the pivoting of the plates that support the cans and the pivoting of the arms that support the plates of the second row are arranged so that the distance between their guide rods and the entrance to the drawing mechanism is maintained practically constant, thus preventing the movements of the cans fr'om originating prejudicial tensions, in the slivers.

8. A creel as claimed in claim 4, wherein twolateral supports-are provided for said guide rod, and an open resilient hoop which fits with pressure upon the rim of the mouth of the can is fixed to said supports.

References Cited in the file of'this patent V UNITED STATES PATENTS

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