USRE3363E - -stages - Google Patents

Description

Witnesses. Inventor.

mmm nam-umm vusumofan u c IPR-MEMENT- MACHINES- rpgQPEN-1NG-AND-CLEAN|NG COTTON.

YA W1 N K L E', QF g indicni'cdgby ihc' line .fr min Fig, il'. 4Figi 3ds. l

in' cei'tnin improved c'oinhi nait-I nfs null irrn nge# ments ntf piu-Lys, n'l'lpruby the np pinning is; iiclnptf" iS Close u mlcr the rotary screen. .l

lhoppxer, I?, fr feding in the oiftbii, and close f tn the, 0'tl1r`ndl1ew is, Qn one side' ofu sliemzichine, a box, E, havingan nuintlerrupled corniriunicatinn with the h oxA, :ind itjntiniihcir lengt-110515shown in Fig". 1', A{uid-the gmt-- .ing-D UnLVUOntiuund nslnrus'the teem orbeaterswy i .Si-de Oi" thclnx 'l wil'h itsA :uis in line with y `the :mis oftlie'smen, and communicating with the interior nl' thv 'serve-n lhrougirnarcfpnning;

I fb, intIiesid-oftlm box' E.' 1 Billy lsaid.,invention relates `to that @lass 0f .Jfaud Knrrnnge;l pnrnllrl n'itlrthegshas' C (l, and e;

I is'an endless apron, runningV nnftnfoylrnmsf:

within ,Ll

Athroughnngpmiing in' thev gba-cl;- oithenid box, ,ns .shown in. Figs. 'Ln-ml 2. A. This apron. f

L is n rQllernrrnngwl nhnve @hn apron, vhcre for Huf mimi il l 3,363

i in such manner as to cause the latter to rotate very slowly. The apron I receives motion from the shaftofthe screen by means of suitable'gearing. The fan isdnven ata high ve-. loc-ity by a belt from a pulley on one of the shafts C C.

N N are two shafts, arranged horizontally below and transversely to the grating D, and

- each carrying two cams, Q Q, for the purpose of supporting and raising and lowering the grating, which is iittcd to the box in a suitable manner to permit its being raised and lowered. These shafts are to be turned by al vcrank or its equivalent applied outside of the box A, and the'position of the cams is retained' by means of ratchet-Wheels c c on the shafts and pawls el d, attached to the outside l of the box A.' Instead, however, of ,these shafts and cams, screws or other devices may be employed to' adjust the grating at ya desirable distance from the teeth or beaters, according to the length or condition of the fiber to beopened and cleaned.

In the operation of the machine the cottony is fed into the hopper P, and through its opening gin the hood, and is then taken by the teeth or` beaters, and by the action of the two.v series, in combination with each other and with the grating D, is picked and opened,

and as fast as the fibers are opened they are drawn toward the boi/LE by the" draft of the fan and the currents of air, Whichare thereby drawn intothe box A through the openings ff ande above and below the grating. The

opening proceeds as the iibers pass on toward4 the box Il, and, after having been subjected to the action of all the teeth, the cotton is perfectly open and loose, in which condition it i'sldrawn by the draft of the fan onto the surfaceof the rotating cylindrical screen F, by which it is carried round and delivered to the apron I in anniform or nearly uniform sheet,- the roller L assisting the 'apron in taking it from the screen and in discharging it from the box E, whence it may be receiyedupon a roll or by other means.

By-the selffadjustin g or sliding character of the door S and rollcrL relatively to the apron I, as described, provision is made for meeting any inequalities in the thickness of the v cotton passingunder said'roller, and a sufficient opening alwaysv maintained for delivery of the cotton Without choking, and yet no more opening than is necessary for such purpose, '$0 that air is excluded from entering at that Exit of the machine where its admission would objectionable, and would kseriously interfete with' or impair the eieiency of the ma chine.

In the above operation the heavier dirt drops through the grating. and the dust is drawn oft' through the rotating screen by the action of the fan, and discharged from the latter. (php operation may be expedited by the ar- -ranggnrent of spiral ribs in the interior of shafts.

hood B, frthe purposel-oi. assisting and regulating thepaslsage oi' the cotton.

The object of the longitudinal arilangemcnt of the beaters C C a is to compel the cotton in passing from the` feed-aperture f/ to the apron I to pass along the shafts C C from. end to end, and thus subject itto repeated action of the teeth a a., instead of but a single action, as is the case with machines in which thel cotton passes r' nsversely across the said I do not claim, broadly, the application to cotton-cleaning machinery of a current of air forced through the meshes of a cylindrical screen, as I am vaivare that machinery has be-4 fore been used in which thisis accomplished by a driving-blast applied to the exterior `of the screen. My invention is essentially different froin this in employing instead a suc-1 tion-blast appliedto the interior of the screen. A current is thus produced in the saine direction, but differing materially in its elfects.

By the driving y blast a pressure is created within the casing which forces the air out at every crevice and through the feed and discharge apertures, as well as through the screen,

carrying 'more or less of the material, and of the impurities' also," in directions inv which they are not wanted to go, whereas by the use of the suction-blast no pressure is created Within thel casing; but the current of air assists in forwarding the cotton in the proper directionfaids the action of the screen in distributing thecotton upon the apron, and collects the'dust and impurities from all parts of the apparatus to one proper place of discharge.

NVhat I claim as my invention, and desire to secure by Letters Patent, is

' 1. rIlhe combination of the apron I- and fan i II with the parallel toothed shafts O C a a, grid or grating D, and feed-aperture y? when the said parts are arranged, as herein set forth,

to vcause the cotton to traverse the beaters longitudinally ofthe shafts CO in passing fr( the feed-aperture g to the apron I.

2. The combination .ofthe oblique deflecting-ribs w with the feed-aperture g, longitudinally-operating beaters O C a, carrying-l apron I, and fan H, `all arranged Vin the man-l ner and for the purposes herein set forth.

3. .The openingy or openings e for the :zd-

lmission of air at the feeding end of the machine beneath the grid. or grating D, in the described combination with the said' grid or grating, and with longitudinallyoperating beaters C O a, carrying-apron Land fan'H, all arranged and operating asset forth.

4. Theeccentr`c Q, ratchet'- wheel c, vand pawl d, or their eqivalc'nts, employed in the described combination with the beaters C O a, and grating D, to adjust thelatter in its dis-A tance from the former.

.5. The suction-fan H, communicating with the 'interior of the rotary, screen F, in the manner and for the -purposes`specied, when used in combination with toothed `luim.tc1s(- (ya, and apron I, nrrnngml und Opcmted :1S sut forth.

6. The cmnlnntinn, wiih the Suction-[hn II und ('mfryi11g-:mmh I, 0I.' the roller L :nul door S to tlm cm1 nl' the box E, through which tho unit-.m1 'is (l seluu'gwxd, smid ml |01- :unl door being; ah'nng m- ;urimgccl so :1s to he cnpnbhe nl risingr :unl lmllng, m' of adjusting tonlying Hwrcun :1s ir' puma# under 1.110 roller,

Substantially als :und for Hul .purpnso 01.' pm'-

Images