US311081A - Clay-crushing machine - Google Patents

Description

(No Model.)

T. D. MQKINNEY & W. A. SOPER.

CLAY GRUSHING MAGHINE. No. 311,081.

Patented Jan. 20, 1885,

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CLAY-CRUSHING MACHINE.

EPECIFICATION forming part of Letters Patent. No. 311,081, dated January 20, 1885. Application filed November 5, 1884, (No model.)

T 0 ctZl whom it may concern.-

Be it known that we, TRUMAN D. IVICKIN NEY and WALTER A. SorER, of Tecumseh, in the county of Lenawee and State of Michigan, have invented new and useful Improvements in Clay-Crushing Machines; and we do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, which form. a part of this specification.

This invention relates to certain new and useful improvements in the construction and operation of crushers especially designed for breaking up lumps of clay as they come from the bank, preparatory to delivering such clay to the crushing-rollers, by means of which it is prepared for delivery to the tile or brick machines, to be fashioned into tile or brick.

Olay suitable for the manufacture of brick and tile is ordinarily taken out of the bank in lumps, in which there is moisture sufficient to culty in crushing them in the ordinary crushing-rolls; and the object of the present invention is to so construct a device that will, as the lumps of clay are thrown into the hopper, bite off portions of such lumps into fragments sufficiently small to be successfully acted upon by the crushing-rolls, to which the clay is delivered after being thus treated.

The invention consists in combining with a crushing-machine a pair of revolving jaws, which, in their rotation, alternately bite of the side of the lump of clay and deliver the same to thecrushing-rolls; also, in the peculiar construction, combination, and operation of the various parts, as more fully hereinafter described.

Figure 1 is a perspective view of our improved machine. Fig. 2 is a central vertical horizontal section of the same. Fig. 3 is a plan of the rolls detached.

In the accompanying drawings, which form a part of this specification, A represents the base-frame, supported upon suitable legs, and carrying the'crushing-rolls and the appliances by which they are driven. Upon a projection of this frame there is suitably journaled the main driving-shaft B, to which motion is given from any suitable source of power. This shaft carries a toothed pinion, O, which engages with the toothed wheel D, which is secured upon the overhanging end of the shaft E, which carries the comically-shaped crushing-roll F, and is journaled in boxes G, adjustably secured upon the top of the bed-frame. This adjustability, which allows the distance between the crushing-rolls to be varied as circumstances require, is obtained by the holding-down bolts passing through suitable slots in the boxes, in the ordinary and well-known way of obtaining such end. The wheel D engages with and gives motion to the toothed wheel H, which is secured to the shaft I, which carries the other comically-shaped crushingroll, J, and is journaled in boxes G, similar to those already described, care being taken that in adjusting these rolls they run with parallel faces, as shown in Fig. 3. K is another frame, resting upon and secured to the baseframe A, and carries the biting-jaws and the appliances for giving them motion, and the hopper. The wheel D engages with and gives motion to the similar wheel, L, which is secured upon the shaft M, which carries the triangular or polygonal shaped jaw N, and is journaled in suitable boxes, 0, which are secured to the frame K in any of the known ways. This shaft M also carries the toothed wheel 1?, which engages with and gives motion to the similar wheel, Q,secured upon the shaft 1%, which carries the other jaw, S, which is similar to the jaw N, and is supported by similar boxes, 0.

To enable the machine to discharge stones which will not pass between the crushingrolls, and which it is not desirable to have so pass, the rear side of the frame opposite the driving-gears is left unclosed.

T are cleaners or scrapers adapted to clean the face of thecrushing-rolls of clay at the lower point of their rotation.

The frame K is inclosed at the gearing side to prevent the clay under treatment from interfering with the driving mechanism, and this inclosed end forms one of the sides of a three-sided hopper into which the clay is thrown as it comes from the bank, to be acted upon, first, by the jaws, and, secondly, bythe crushing-rolls.

-In practice the corners of the jaws, in their rotation, will break up the lumps of clay by biting off first on one side and then on the other, and delivering the clay thus broken up to the crushingrolls, the action of which will prepare the clay for the tile or brick machine.

We are aware that machines of this class have been provided with devices arranged within a hopper for the purpose of breaking up the lumps of clay before they are delivered to the crushing-rolls; but, so far as we are aware,such devices have consisted of a shaft orshafts pro vided with fingers or teeth; but we make no claim to such constructions as forming part of our invention. Such constructions have been found objectionable for the reason that the teeth or fingers are liable to be broken either by being clogged up by the moist clay or by the stones therein. We avoid these difficulties by the use of our jaws S N, which consist of shafts of polygonal shape, preferably triangular, thecorners of which break off portions of the lumps as they come in contact therewith. It will thus be seen that we employ no teeth or fingers. It will also be noticed that these jaws are so set in relation to each other that as they revolve the corner or point of one is opposite one of the faces of the other, as plainly shown in Fig. 2. WVe attach importance to this arrangement, by means'of which the lumps are much more effectively broken up than they would be if the jaws were set face to face.

WVhat we claim as our invention is 1. In a clay-crusher, a pair of polygonally O shaped jaws adapted to rotate within a hopper to break up lumps of clay and deliver the same to a pair of crushing-rolls, substantially as and for the purposes described.

2. In a clay-crusher, a pair of polygonal jaws adapted to break up the lumps of clay with their corners, substantially as and for the purpose specified.

3. In a clay-crusher, a pair of triangular shaped jaws constructed and arranged to rotate within a hopper to break up lumps of clay before delivering the same to the crushingrolls, substantially as and for the purposes described.

4. In a clay-crusher, a pair of polygonal jaws arranged to revolve with the corner of one jaw opposite the face of the other jaw, whereby the lumps of clay are broken up by said corners before beingdelivered to the crush ing-rolls, substantially as described.

TRUMAN D. MCKINNEY. WALTER A. SOPER.

\Vitn esses:

H. S. SPRAGUE, E. 801mm.

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