US756307A - Apparatus for feeding material. - Google Patents

Description

2 SHEETS-SHEET 1.

PATE-MBD APR. 5, '1904.

W. M. WHEILDUM APPARATUS FOR FEEDIN G MATERIAL. I APPLIoA'rIoN FILED .TUNE ze, 1900.

No MODEL.

s A WM ma@ f WM Attys.

Witnesses PA'I'BNTED APR. 5, 1904.

In Ventor,

Attys.

No, 756,307A

W. M. WHBILDON. APPARATUS FOR PEEDING MATERIAL.

APPLICATION FILED JUNE 26, 1900.

No xoDBL.

W1tnesses UNITED STATES Patented April 5, 1904.

PATENT OFFICE- I`O` AERO-PULVERIZER COMPANY, JERSEY CITY, NEW JERSEY, A I

CORPORATION OF NEW JERSEY.

APPARATUS Fon FEEDING. MATERIAL.v

SPECIFICATION forming part of Letters Patent No. 756,307, dated April 5, 1904,.l

Application iileii June 2B, 1900.

pose-as, for instance, the feeding of coal or other material to a pulverizer. In my Patents Nos. 635,112 and 635,113, dated October 17, 1899, I show apparatus forthis purpose, the first of said patents describing astationary neck through which the material is fed, a rotatable table adjustable toward and away from the neck to regulate the. feed, and a shear held from rotation, 'but adjustable vertically withthe table for scraping off from the table the material deposited thereon through the neck, and the second of said patents describing a device for the purpose comprising a stationary neck having a regulating-sleeve mounted onv its interior and adjustable toward y and away from a stationary table to regulate the feed, the material being swept off of said table by one or more rotating shear-knives.

The object of my present invention is to provide a feeding apparatus wherein are utilized the best features of the said prior dep vices, While at the same time the construction is simpler and the operation more. effective i than with the construction of either patent.

To this end my present invention comprises in a feed device for pulverulent material a horizontal rotatable table on which the material is deposited, a xed shear for scraping the material from said table, a'neck through which the material is delivered to the table, vanda regulating-sleeve mounted on the enterior of said neck for effecting the desired regulation, all as will be-more fully hereinafter described and claimed. p

' When my improved feeding device is used in connection with a pulverizer wherein a regulable air-supply is necessary, the invention Serial No. 21,635. (No model.)

comprises a further improvement in the means for securing such an air-supply in connection with the feed of the material.

In order that my invention maybe better izer; Fig. 2, a section on the line 2 2of Fig.

1; Fig. 3, a section on the line 3 3 of Fig. 1, and Fig. 4 a plan. Y y

In all of the above views corresponding parts are represented by the same numerals of reference.

1 represents the main part of a casing, having an exit-opening 2 at its lower end, as shown, said casing being generally circular in cross-section at its upper part and being formed with a hollow projection 3. The part 1 has a hub 4 cast with it and also a hollow cylinder 5, formed with a flat flange 6 at its bottom, suitably strengthened by a web 7 7 s 8 represents the upper part of the-casing, which is bolted to the lower part, as shown,- and is formed withan opening 9 directly above the projection 3 and through which the handy of the operator may be introduced to clean out the casing in the event of clogging.

l() is thetable, rotating in a horizontalplane at the top of4 the part 1 of the casing and carried on ashaft 11, which passes through thev hub 4 and downwardly past the flange 6. Bolted to the bottom of the ange 6 is a wormcasing 12, having a bearing 13 cast therewith, which supports the lower end of the shaft 11.

By casting the worm-casing 12 in one piece,

as shown, it is made oil-tight and dustp'roof.

Mounted in the Worm-casing on the shaft 11 i is a worm-gear 14, driven from a worm 15 on A a driving-shaft 16. Castwith the worm-casing 12vare the legs or/supports 17 for sustaining the feeding device. At the top of the casing I employ a neck 18, preferably removably secured in position and to which the` vmaterial is constantly supplied, so as to be lfed therefrom to the table 10. Mountednpon the outside of said ne'clris a regulating-sleeve 19, which, as shownparticularly in Fig. 3, is

formed with a series' of shallow ribs 20, which bear on" the neck 18, thereby reducing fric; tion and" lesseningvgthe .'lialoilitypfl the sleeve becoming rustedv'rrwedged upon 'the neck.

. adjustment of theregulatingsleeve is secured without the necessity of employing slotted connections. The ishaft 22fcarries a regulating-lever 25, having av handle at "its end and formed with an opening thereinv in which is mounted a rack-rod 26, with which a springl pressed latch 27 is adapted' to engage, said latch being actuated by a finger piece. 28,. whereby the latch maybe withdrawn from the teeth of the lrack when lit is desired to effeet an adjustment of the regulating-sleeve. The table 1Q preferably carries a cone 29, as I describe in my said patents, said cone being hollow and-pinned in place, as shown in Fig; 1 and preferably carrying agitating-arms 30 for' agitating the material in the neck 18 and preventing its accumulation therein. VjIn'orrder to remove the material from the table 10, I employ astat'ionaryshear-knie .31, bolted or screwed in place, and which extends through a slot 32 in the regulating-sleeve 19, as shown, the edge of said shear-knife reaching substantially to the periphery of the cone 29, so as to remove practically the entire bulli pf the material deposited on the table through the neck.

-When my improved feeding device isused in connection .with a pulverizer Where a regulable air-supply is necessary, I' bolt it -at the side of the casing 33, having an opening 34,

through which the material is fed, and provided with an open top in.which is mounted- -a damper 35'for regulating the amount ,of air.. passing therethrough..

The operation of my improved feeding device will` be as follows: Power is applied to the shaft 16 to drive the shaft 11 through the worm 15 and worm-gear 1 4, thereby rotating the table 10 at the desired speed. rIhe material to be fed is' constantly vvsupplied to the neck 18 and is deposited upon' the table 10 in an amount depending upon the distance between the lower end of 'the regulating-sleeve' A 19 andsaid table, which amount may be regu-y lated by shifting the position of. said sleeve, as will be obvious. As the table rotates the material will be 'swept olf of the same by the 'shear-knife 31 and will be deposited in the vthe casing 33 and' out through the opening ,311. The additional air necessary when thev device Ais used in connection With-a pulverizer will be supplied through the open upper end of the casing 33. n

' Having now describedmy invention, what I claim as new, and desire to secure by Letters A Patent, is as'follows:

1. An improved feeding device:7 comprising in combination a rotatable table mounted in a horizontal plane, a neck through which the ma casing, passing through the opening 2 into terial is fed, a regulating-sleeve moving lonin combination a rotatabletable4 mounted in a l horizontal plane, a neck through which the materia'l is fed, a. regulating-sleev,ev moving lonmounted exterior-ly thereof, a stationary shear extending vertically between the table and neck and inwardly within the space inclosed by the sleeve and arranged out of line with the diameter of the table, and means for manually shifting the position of said sleeve, substantially as set forthr 3. In an improved `feeding device, the combination of a rotatable tablemounted in ahorizontal plane,'a stationary shear with respect to which the table rotates, a nck'through whichfthe material is fed, a regulating-sleeve surrounding the neck' and movable longitudinally withl respect to the same, the sleeve beribs for engagement with said neck, and means for adjusting sleeve vertically, substantia'lly as set forth. y

Thisspecification ,sig 14th day of June, 1900.

' "mman-MAXWELL WHEILDON.

Witnesses:

' FRANKLDYER,

' JNO. R. TAxLoR.

gitudinlly with respect to said 'neck and' 4ing provided withshallow parallel vertical' IOO ned and witnessed this)

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