US1075942A - Grain-separator. - Google Patents

Description

S. J. RICE.

GRAIN SEPARATOB.

APPLICATION FILED rams, 1912. BENEWED'AUG. 12. 1013.

1,075,4Q v Patented oc.14,191s.

Ema-.E /7/ q/vH nmo KM, 74, 6x

SAMUEL J. RICE, 0F ESCANABA, MICHIGAN.

GBAIN-SEPARATOR.

Application filed February 8, 1912, Serial No. 676,247. Renewed August 12, 1913.

To all whom it may concern Be it known that I, SAMUEL J. RICE, a citizen of the United States, residing at Escanaba, in the county of Delta, State of Michigan, have invented certain new and useful Improvements in Graineparators; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to grain separators.

The object of the invention resides in the provision of an improved construction of grain separator which will efficiently remove the chaff and screenings from the grain and direct the separated chaff, screenings and grain to different points of discharge. I

Vith the above and other objects in view, the invention consists in the details of construction and in the arrangement and combination of parts to be hereinafter more fully described and particularly pointed out in the appended claims.

In describing the invention in detail, reference will be had to the accompanying drawings wherein like characters of reference denote corresponding parts in the several views and in which- Figure 1 is a vertical longitudinal section through a grain separator constructed in accordance with the invention, and Fig. 2, a plan view of what is shown in Fig. 1 partly in section.

Referring to the drawings the invention is shown as comprising a casing A which includes a tubular conical intermediate portion 10, a top 11 closing the major end of the intermediate portion 10, and a cylindrical tubular extension .12 secured to the minor end of the intermediate portion 10 and communicating with the interior of the latter. The lower end of the extension 12 is provided with a transverse bridge member 13 in which is journaled the lower end of a vertical shaft 14. This shaft 14 is also journaled in the wall of a grain discharge tube 15 which passes through the wall of the extension 12 and has one end thereof disposed in the minor end of the intermediate portion 10 with its wall spaced from and concentric with the wall of said intermediate portion. It will be noted that this discharge tube 15 extends to a suitable sacking device or other desired mechanism and has mounted therein a conveyer screw 16 Specification of Letters Patent.

for transferring the grain delivered from Patented Oct. 14,1913- Serial No. 784,440.

the separator to such sacking device or other desired mechanism. The shaft 16 of the conveyer screw 16 is extended through the wall of the tube 15 into the extension 12 and has fixed thereon a beveled gear 17 which meshes with a beveled gear, 18 fixed on the vertical shaft 14. The conveyor screw shaft 16' is connected with a suitable source of power (not shown) and through the instrumentality of this shaft, the shaft 14 isrotal'ed and certain portions of the separator operated, as will hereinafter appear. Disposed within the casing A eonrentric with and in Spaced relation to the intermediate portion 10 is a conical sieve member 18 the major end of which is open, while the minor end thereof is pierced by. the shaft 14 to which latter it is fixedly secured for rotation therewith. This sieve member 18 is provided with perforations 19 for the purpose of permitting grain' lelivered to the interior of the sieve member 18 to pass into the space between said member and the portion 10 of the casing A as will hereinafter appear. Supported in the space between the intermediate portion 10 of the casing A and the sieve member 18 is a conical tubular screen 19 the minor end of which delivers into the discharge tube 15. The top 11 is provided at diametrically opposite points with an air intake mouth 20 and a discharge mouth 21, a suitable airsupply pipe 22 being connected to the air intake mouth 20. Supported upon the upper end of the intermediate portion 10 of the casing A is a circular baille plate 23 which includes a lip 24 extending transversely of the air intake mouth 20 and the discharge mouth 21. The top 11 is provided centrally with an opening 25 through which extends a grain supply pipe 26 having its lower end disposed within the sieve member 18 and terminating a short distance from the bottom of said member. This pipe 26 is provided on its lower end with an annular flange 27 from which depends a plurality of fingers 28. The upper end of the shaft 14 carries a head 29 provided with a plurality of upwardly directed fingers 30 disposed between the fingers 28 carried by the flange 27. Also extending through the top 11 is an air supply pipe 31 the lower end of which terminates at the extreme lower end of the sieve member 18 and adjacent the shaft 14.

In order to operate the separator the conveyer shaft 16 is rotated from a suitable source and this rotation of said c'onveyer shaft will through the instrumentality of the beveled gears 17 and 18 rotate the shaft 14, and the rotation of said shaft 14 will in turn rotate the sieve member 18' and the fingers 30 carried by the head 29. A blast of air is then supplied from the pipe 22 and intake mouth 20 and from the pipe 31. The grain is then delivered from a suitable su ply throughthe pipe 26. This grain will discharge from the lower end of the pipe 26 where it is acted upon by the rotating pins 30 and fixed pins 28 so as to scatter same evenly in all directions. against the perforated wall of the sieve member. The chafi' contained in the grain within the sieve member 18 will be acted upon by the blast of air issuing from the pipe 31 and elevated to the top of the casing A where it will be again acted upon by the blast of air entering the casing through the mouth 20 and forced by said blast through the discharge mouth 21. The grain and screenings contained in the sieve member 18 which, owing to their weight, cannot be elevated to the top of the casing by the blast of air issuing from the pipe 31, will eventually pass through the perforations 19 and fall upon the screen 19. The mesh of this screen 19' is such that the screenings can pass therethrough and fall against the inner wall of the intermediate portion 10 upon which they will move downwardly under the influence of gravity into the extension 12 and eventually discharge through the lower end of said extension into a suitable receptacle or directly upon the ground as desired. -The good grain which is delivered through the perforations 19 upon the screen 19 will move downwardly without passing through said screenand eventually enter the 'conveyer tube 15 where same will .be subjected to the influence of the'conveyer screw 16 .and carried thereby to a suitable sacking device or other desired mechanism.

What'is claimed is:

1, In a grain separator, the combination of an inverted conical casing having its minor end open, an inverted conical perforated member rotatably mounted in the casing concentrically therewith in spaced relation thereto and having its major end open, means for delivering grain to the interior of said perforated member at its minor end, means for rotating said perforated member,

7 means for effecting a blast of air transversely throu h the casing across the upper end of said perforated conical member,

ture, in presence of two wltnesses.

and means for dischargin a blast of air into the perforated conica member at the. lower end thereof. v

2. In a grain separator, the combination of an inverted conical casing having its minor end open, a shaft extending through the open minor end of the casing, means for.

rotating said shaft, an inverted conical perforated member fixed to said shaft and dis;

I lower end, means for effecting a blast of air transversely through the casing across the upper end of said perforated conical member and means for dischar in ,a blast of air into the erforated comca member at the lower en thereof.

3. In a grain separator, the combination of an inverted conical casin having its minor end, 0pen,a shaft extending through the opened minor end of the casin means for rotating said'shaft, an inve'rte conical gerforated member fixed to said shaft and isposed concentrically in the casing in spaced relation to the latter and having its major end .open, a grain delivery pipe disposed in longitudinal alinement with said shaft and discharging into the lower end of said perforated member, a plurality of pins depending from the'discharge end of said posed concentrically in the casing in spaced 7 grain delivery pipe, a head fixed on said shaft and disposed within the perforated conical member at the-minor end thereof, a plurality of pins carried by said head and disposed between the pins depending from the grain delivery pipe, means for effecting a blast of air transversely through the casing across the upper end of said perforated conical member, and means for discharging a blast of air into the perforated conicalmember at the lower end thereof.

4. In a grain separator, the combination of an inverted conical casing having its minor end open, a ain discharge pipe having one end exten ing into the open minor end of said casing, an inverted conical perforated member rotatably mounted in the casing concentrically therewith in spaced relation thereto and having its major end' open, a conical screen disposed between the casing and the perforated member and de 'livering into said grain discharge pipe,

means for' delivering grain-to the interior of said member at its minor end, means for rotating said perforated. member, means for effecting a blast of air transversely through the casing across the upper en of said perforated conicalmember, and means for discharging a blast of air into the perforated Iconical member at the lower end'thereof.

In testimony whereof, I'aflix my signa- SAMUEL J. RICE.

Witnesses: i 1

O.' B. ALDRICH,

Gnonan W. Gum). f

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