US2432284A

US2432284A - Creel

Info

Publication number: US2432284A
Application number: US506130A
Authority: US
Inventors: Chipman Charles
Original assignee: HAYTOCK SILK THROWING Co
Current assignee: HAYTOCK SILK THROWING Co
Priority date: 1943-10-14
Filing date: 1943-10-14
Publication date: 1947-12-09
Anticipated expiration: 1964-12-09

Description

Dec. 9, 1947. I c. CHIPMAN CREEL Filed Oct. 14, 1945 4 Shets-Sheet 2 INVENTOR;

Charles Cmpman,

ATTORNEYS.

C. CHIPMAN CREEL Filed Oct. 14, 1945 4 Sheets-Sheet 4 lNVENTOR.-- Charles Chzpman ATTORNEYS.

Patented Dec. 9, 1947 CREE-L Charles Chipman, Easton, Pa., assignor to Haytock Silk Throwing Company, Easton,

Pa., a

corporation of Pennsylvania Application October 14, 1943, Serial No. 506,130

3 Claims.

This invention relates to spinning machines, and has reference more particularly to ring spinning machines of the type known as down spinners in which the threads to be spun or twisted are drawn from supply packages at a high level and the twisted yarn wound upon spoolsor bobbins at a lower level.

In the preparation of rayon and other multifilament synthetic threads for knitting or weaving purposes it has been necessary and generally customary heretofore to first skein the threads from the relatively large supply packages received from the thread manufacturer, then to reel the threads from the skeins, and finally to spin (twist) the threads incident to drawing them from the reels and winding them onto spools or bobbins. This preparation is not only costly from the standpoint of labor entailed and the time consumed, but also by reason of requiring several different machines to carry out the various steps of the process.

My invention has for its chief aim the simplification of the above procedure and the obviation of its various drawbacks, or, in other words, to enable conversion of multiple filament threads of the kind referred to into yarns of a definite twist in a single continuous operation.

This objective I realize in practice as herein after more fully disclosed, through provision of a structurally refined twisting machine characterized by having improved rack means whereon the relatively large original thread packages are accommodated for ready removal of the threads without danger of interference with each other notwithstanding close spacing of the spindles for the spools or bobbins onto which the finished yarns are wound.

Other objects and attendant advantages will appear from the following detailed description of the attached drawings, wherein Fig. 1 is a broken-out view in side elevation of my improved spinning machine.

Fig. 2 shows the machine in top plan.

Fig. 3 shows the elevation of the left hand end of the machine as considered in Fig. 1.

Fig. 4 is a detail sectional view taken as indicated by the angled arrows IV--IV in Fig. 1 showing one of the bracket components of the sustaining rack provided in the machine for the thread supply packages.

Fig. 5 is a plan view of the parts shown in Fig. 4.

Figs. 6-8 are perspective views of other parts of the machine which will be individually referred to later herein.

Referring first more especially to Figs. 1-3 of these illustrations it will be noted the frame of my improved spinning machine includes two upwardly-tapering column-like end standards 30 and 3|, which, adjacent their tops, are rigidly connected by a, pair of vertically-spaced

main horizontals

32 and 33 disposed in the central longitudinal plane of the machine, and, which adjacent their bottoms, are similarly connected by a pair of laterally-spaced symmetrically-disposed horizontals 34 and 35 lying in a common transverse plane. At one end of the machine the frame has a relatively low supplementing extension 36 comprising a transverse end member 31 and side longitudinals 38 of channel cross section which are rigidly connected to the standard 30. By means of vertically-adjustable elements 40, 4| and 42, respectively, at the feet of the

standards

33 and 31 and of the end member 31 of the frame extension 36, floor irregularities can be compensated for to insure support of the machine in true upright position with absence of sagging at the region of support. In the present instance the frame of the machine also includes two medial standards 43 (see Fig. 1) which extend up to the horizontal 33, and which, like the end standards 30 and 3!, are supported by vertically-adjustable elements 44.

Serially arranged in closely spaced relation along opposite sides of the machine are spindles 45 for spools S onto which individual multifilament threads T are wound as they are twisted, said spindles being supported in a manner later On explained, by a fixed rail 46 which extends lengthwise of the machine between the standards so and 31 at a level somewhat above the lower-

frame horizontals

34 and 35. The spindles 45 are rotated through frictional contact with a horizontally-arranged endless belt 41 which passes about flanged pulleys 48 and 49 at opposite ends of the machine. pulley 49 is affixed to a vertical shaft 551 journaled in bearing brackets 5| and 52 extending outward from the standard 3|, and the pulley 48 secured to the shaft of a vertical axis electric motor M which is supported by a carriage 53 with rollers 54 engaged in the hollows of the channel horizontals 38 of the frame extension 36. Attached at one end to the motor carriage 53 is a chain 55 which passes from beneath partway about a sprocket wheel 56 on a transverse shaft 51 suitably journaled in hearings on the frame extension 36, and which has its other end secured to the periphery of said Wheel. Afilxed to one end of the shaft 51 is an arm 58 from which a weight 59 is suspended with capacity for being adjusted along said arm. Through the drive means just described, the belt 41 is at all times maintained under yielding tension, and it is to be remarked that the parts constituting this means are so arranged as to be entirely withi the confines of theframework lengthwise of the machine.

In order that large thread supply packages P as they come from the manufacturer may be As shown the tion of which reference will be had to Figs. 1,

This rack means inand 4-6 of the drawings. cludes a plurality of brackets 62, each supporting four of the packages P, two of them .intransverse relation at a high level andtwo-of them in transverse relation at a lower level offset with respect to the first two in the direction of the length of the machine. Thus collectively "the brackets 62 form a rack by which the packages P are supported in close eontiguity in staggered relation. Asshown .in Fig. -6., each bracket 62 comprises a main component .63 and a number of

supplemental members

64, 65, '66 and .61. The main component 6315f the bracket 62 is of 2 configuration .havingalateral offset "63a with an upstandingaperturedear 632) at the top for con- .nection, by means of a .screw bolt, to the top horizontal 32 of .the ,machinelfram'e and an apertured foot 630 .at the .bottom for connection in like manner .to the horizontal J33 of said frame. The members .64, 65, 2,66 and 6'! of 'the bracket are exact counterparts of each other, each being of L-shaped configuration with a stud 68 at the outer end of its horizontal arm for a thread package P. The members '68 and :65 are secured in horizontally-aligned relation to the "main component6'3 of each bracket'by screw bolts passed through apertures ,in their vertical arms and through registerin apertures in the upper vertical segment 63d of said .main component. The members .66 and 6.1 of each bracket 62 are similarly secured by screw bolts passed through apertures in their upright arms and through registering apertures in "the lower vertical segmenti63e of the main component.

During the operation of the machine, the threads .T are withdrawn upwardly from transversely aligned pairs of packagesPin the upper rows at opposite sides of the machine and passed through tension devices 69 and eyes "ID on the lateral arms of T-shaped guide trees II which are secured to the top horizontal 32 of the machine frame, one of such trees being separately illustrated in perspective in Fig. 7. The threads T are similarly withdrawnupwardly from transversely aligned pairs of packages P in the lower rows at opposite sides of the machine and passed through tension devices I2 and eyes T3 in the lateral arms of substantially straight guide members M, such as the one separately illustrated in Fig. 8, which are bolted fast to the top horizontal 3-2 of the machine frame midway between the guide trees -1 I.

Twisting of the threads is accomplished in the machine by individual travellers :each of which, as is common in machines of this sort, is confined to gyrat'ion about the *spoo'ls :or "bobbins on which the yarns are wound by virtue of being in slidable engagement with rings 16 supported :by a vertically-reciproca3ting traverse comprehensively designated by the numeral i l. The traverse 1-1 is formed by vertically-spaced pairs of rods 78 and T9 which extend along opposite sides of the machine and which are-connected at intervals by cross members whereof there are three in this instance respectively designatedBil, 81 and 82,0ne adjacenteach end of the machine and others at intermediate "points. Secured in and pendent from the central bosses of the cross members 80-432 are shafts 86, 87 and '88 which pass through guides 89 on the 4 spindle rail 46. The shafts 86-88 are provided at their loweriends withenlargediadjustably connected *heads .86a-88a which bear upon rollers at the ends of the horizontal arms of bell crank levers 90, 9I and 92 respectively whichare fulcrumed on hanger brackets 93, 94 and 95 pendent from the spindle rail 46, and which have their vertical arms .coupled by means of horizontal links .96 and 9:1. individually associated With the bellcrank levers 9.0, 9| and 92 are counterweights 98, 99 and I80. The means for actuating the traverse 'II includes a heart-shaped cam I92 which is aiiixed to a transverse shaft I93 with bearing support in a bracket I reachin inwardly from the standard 30. Engaging the edge of the cam I62 is a roller I06 at the end of one extremity of a double-armed lever I'U'I, which is fulcrumed at I08 on another drop bracket I 09 pendent from the spindle rail 16, the other arm of said lever being coupled, by means of a pitman I I8, with the weighted bell crank 98. With this arrangement it will be apparent that as the cam I62 .is rotated, vertical reciprocatory movements are imparted to the traverse l! to efiect uniform Winding of the twisted threads along the spools S. The combined effect of the weights 98, 99 and I is to efiectively counterbalance the traverse TI and the parts connected to and supported thereby, the weight 98 being made somewhat heavier than the others to counteract the influence of the cam "lever I 67 and pitman Hi}, the Whole system thus favoring high speed operation of the machine.

In order to prevent straining of the traverse actuating mechanism and possible binding of the shafts 86-88 in their guides "89, the pendent brackets '93 and. H39 are rigidly tied to each other and to the standard by a horizontal yoke-like bracing means composed as shown in Fig. 1 of separable symmetrically disposed pairs of components I I I and 112.

Each of the traveller rings 16 is supported on an internal peripheral shoulder of an annular holder H5 and held against displacement, with capacity for convenient :removal from above.

The feed rolls of the machine by which the threads T are drawn from the individual supply packages P are indicated at MS in Fig. 1, the same being journaled in Shield housings M611 on bracket arms I i6 attached to and extending inwardly from a pair of vertical slide rods I41 which pass through guide apertures in the spindle rail 36. Secured 'tothe feed rolls 1 15 are spur gear wheels 148 which mesh with driving spur gears I49 on shafts 1'50 and I'SI extending longitudinally of opposite sides of the machine and journaled in suitable bearings afforded by the standards '38 and -91. The rolls 1'45 are rota'ted in unison but in opposite directions by virtue of being connected by pairs of int-ermeshing spur gears I52 and 1 53 respectively at theiropposite ends which latter protrude through the standards 3'6 and3I (see-Fig. 3). Affixed to the shaft I 56 beyond its gear Wheel 1153 at thestandard 3i is a spur pinion "-I 5 i, which, through an idler I56, is driven from a gear wheel I56-on a short horizontal shaft I5! whereof one end is journaled in saidstandard and whereof the other end is iournaled in a bearing on the bracket 5| previously referred to. At its outer 'en'd,.the.s'haft I 51 carries a 'worm Wheel I58 which meshes with a worm I59 on the vertical shaft '50 also herein- 7 before mentioned. V-Afiixed to theshaft I59 beyond its gear wheel 1.52 at the standard 30 is a pulley I60 which, through an endless belt I6I is connected to a smaller pulley I62 on the outer end of a short shaft I63 journaled in a suitable bearing at the lower part of said standard. A worm I65 at the inner end of the shaft I63 meshes with a worm wheel I66 affixed to the shaft I03 which carries the traverse actuating cam I02. Through the drive system just described, the rolls I45 at opposite sides of the machine and the traverse 11 thus derive their motion from the transmission shaft 50. Shields I69 secured to fixed parallel rods I18 extending between the standards 36 and 3I cover the sides of the individual gear couples I48, I49 by which the rolls I45 are driven, as well as the shafts I58 and II and in conjunction with shields I46a preclude entanglement of the threads T with said gear couples and shafts. Eyes I1I on the cover shields I46a serve to keep the threads T centralized with respect to the spool spindles 45.

Extending transversely of the intervals between the spool spindles 45 are fly guards I12 of sheet metal or the like that confine the individual threads '1 and thereby prevent fouling of adjacent threads during the twisting. The fly guards I12 are secured at their bottoms to the individual brackets I36 whereon the spool spindle carrying arms are fulcrumed, and at their tops .to the cover shields I69 respectively at opposite sides of the machine, certain of said guards extendin with clearance through the longitudinal slots in the transverse members 8Il-62 of the traverse 11.

En route downwardly from the eyes at the outer ends of the guides H and 14 to the rolls I45 at opposite sides of the machine, the threads T pass first over guide rollers I15 which freely and independently revolve about horizontal supporting rods I16 extending between lateral arm projections I11 of the standards 30 and. 3| at the level of the frame longitudinal 33; thence over similar guide rollers I18 on parallel rods I19 extending between said standards 36 and 3I at a somewhat lower level; and then through eyes on the vertical rods I41. As shown in Fig. 1 each thread T passes several times about its draft roll I45 before continuing on to the traveller 15 associated with the spool S upon which the finally twisted yarn is collected, the several convolutions of the thread being maintained in spaced relation by a notched comb-like separator I8I mounted above said draft roll.

As seen in Fig. 3, the

tensioning devices

69 and 12 are so positioned that the entrant ends of their spirals are centrally above the packages P from which the respective threads are taken. This positioning of the

devices

69 and 12 in relation to the packages P and the various thread guides is important to the successful operation of the machine for the purpose set forth.

Having thus described my invention, I claim:

1. An overhead creel for a spinning machine having a straight-line longitudinal row of vertical axis spool spindles spaced with allowance of but small working clearances between them, said creel supporting in upright position a corresponding number of thread supply packages of large diameter as compared to that of the spools, grouped in spaced straight-line longitudinal rows in a common vertical plane, with the packages of one row staggered relative to those of an adjacent row and with a package disposed in the transverse vertical plane of each spindle, and said creel comprising a longitudinally-arranged bar; brackets in transverse relation to the bar each supporting at least one supply package in each of the several rows; and guides overreaching the individual packages to receive the threads overend from the packages and thereafter direct the threads downward to the corresponding spools.

2. An overhead creel for a spinning machine having a straight-line longitudinal row of verti cal axis spool spindles spaced with allowance of but small working clearances between them, said creel supporting in upright position a corresponding number of thread supply packages of large diameter as compared to that of the spools grouped in two spaced straight-line longitudinal rows in a common vertical plane, with the packages of one row staggered relative to those of an .adjacent row and with a package disposed in the transverse vertical plane of each spindle, and said creel comprising a longitudinally arranged bar; a plurality of brackets each comprising a Z shaped main component and counterpart pairs of L shaped components each with a vertical stud for impalement of a supply package; means for detachably securing the several components to each other and to the aforesaid bar, whereby a package in one row is supported in ofiset relation to a package in the other row in the direction of the length of the machine; and guides connected to said bar and over-reaching the individual packages to receive the threads over end from the packages and to direct the threads downward to the corresponding spools.

3. The invention according to claim 1, wherein the guide for each thread supply package in the upper row is in the form of a tree upstanding from the longitudinal bar of the creel with a lateral arm at the top having an eye in its outer end; and wherein the guide for the thread of each supply package in the lower row is in the form of an arm extending laterally from said bar and likewise having an eye in its end.

CHARLES CHIPMAN.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,180,284 Cook Apr. 25, 1916 1,538,956 Seaman May 26, 1925 111,396 Sawyer Oct, 4, 1904 115,550 Allen Nov. 22, 1904 1,153 Booth Sept. 14, 1915 2,101,318 Kato Feb. 8, 1938 2,223,815 Rooney Dec. 3, 1940 1,868,438 Thomas July 19, 1932 2,285,819 Winslow June 9, 1942 2,239.684 McI-Iugh Apr. 29, 1941 1,118,284 Swanson Oct. 14, 1930 1,199,915 Lewis Apr. 1, 1931 2,219,531 Tillinghast Apr. 14, 1942 1,860,955 Rowe May 31, 1932 1,866 322 Rowe July 5, 1932 460,241 Bentley Sept. 29, 1891 2,219,185 Hargreaves et a1. Apr. 14, 1942 39,651 Jenckes Aug, 25, 1863 18,421 Carroll June 2, 1868 653,836 Avery July 11, 1900 1,565,125 Fraser et a1 Dec. 15, 1925 1,411,292 Sloat Oct. 16, 1923 1,414,883 Lawton May 2, 1922 1,993,584 Bartholomew Mar. 5, 1935 1,482,119 Bradley Feb. 5, 1924 1,616,949 Bradley Feb. 8, 1921 1,500,982 Cushman July 8, 1924 2,114,094

McHugh Apr. 12, 1938