US44450A - Improvement in ore-crushers - Google Patents

Description

UNITED STATES PATENT OEricE.

IMPROVEMENT IN ORE-CRUSHERS.

Specification forming part of Letters Patent N0. 44,2150, dated September 27, 1864.

To all whom it may concern.-

Be it known that I, A. F. W.PAR'1Z, of Wurtsborough, in the county of Sullivan and State of New York, have invented a new and Improved Ore-Crusher; and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable those skilled in the art to make and use the same, reference being had to the accompanying drawings, forming part of this specification, 'rn which- Figure 1 represents a longitudinal vertical section of this invention, taken in the plane indicated `by the line x x, Fig. 2. Fig. 2 is a front elevation of the same.

Similar letters of reference indicate corresponding parts.

This invention consists in combining' with the movable block an eccentric and a supporting-link in such a manner thit by the action of said eccentric a crushing and grind-l ing motion is imparted to the block, and by this double or eccentric motion of the block the operation of crushing quartz or other substances is considerably facilitated. The eecentric motion of the block is so regulated that the opening between the stationary and the movable block at the point of exit of the ore will remain uniform according to the position given to the adjustable block, and the l escape of coarselumps is prevented. On being discharged from the crushing blocks the ore or substance to be crushed passes through be tween smooth crushing-rollers, which reduce the same to the desired degree of lineness.

A represents a frame, made of castiron or any other suitable material, of sueient strength for the occasion, and supported on a foundation, B, composed of blocks of wood or built up of stone or any other suitable material. This frame forms the bearings for the rshaft (l, which extends far enough beyond the same to make room for band-wheels D, and, if desired, for ity-wheels, (one on either side of the frame.) Thatportion of the shaft C which is situated between the two side pieces ofthe frame is eccentric with its journals, and suspended from said eccentric portion of the shaft is the crushing-block E. This crushing-block consists of a heavy piece of cast-iron with a face of chilled cast-iron or other suitable hard material, which is secured to the body of the block by wedges a, or other means, in such a 1 `manner that the same can be readily removed when worn, and replaced by a new one, without effecting the bodyof the block. The lower end of the block E is supported by a link, F, one end of which rests in a semicircular cavity, b, in said block, while its opposite end is supported in a similar cavity, c, in the rigid end piece, G, of the frame A.

The crushing ofthe ore or other material is effected between the movable block E and the stationary block H. This latter block, like the movable block, is composed of two partsviz its cast-iron body and its removable chilled face, which is to be replaced when worn, and it (the block) is held in position by cross-bars I and screw-bolts J. By means of these screw-bolts and cross-bars the stationary block H can be adj usted toward and from the movable block according to the state of neness to which the ore or other' material is to be reduced by the crushing-blocks. The degree of fineness to which the ore or other material is reduced naturally depends upon the size ofthe opening at the point of exit of the ore or other material, or upon the distance between the lower edges of the crushingblocks. 1f this discharge-opening increases when the' jaws open, unbroken lumps larger than the requisite size drop out from between the jaws, but in my crusher the link F andthe eccentric shaft` C are combined with the movable crushing-block in such a manner that the opening at the point of eXit of the oreor other material will remain uniform for all practical purposes, whatever the position ofthe movable block, and the size of said opening depends solely upon the position ofthe stationary block, as previously stated.

By the action of the eccentric shaft C a combined grinding and crushing motion is imparted to the movable block E, which considerably facilitates the operation of crushing quartz or other hard materials.

The ore or other material on being discharged from the crushing blocks drops down upon the inclined apron K, which conducts the same to the smooth crushing-rollers L. These rollers have their bearings in suitable boxes, M M', secured to the bottom timbers of the foundatiou B. Theboxes M of one of these rollers are movable in suitable guides, and they are adjusted toward and from the two other boxes, M, by two set-screws, d, and they are rendered yielding by interposed springs e, of indizi-rubber or other ysuitable material, so that in case enlarge lump or some hard materialv should by accident get between the two rollers breakage orinjury tothe machineryis avoided.

The crusl el ore or other material, on being discharged from the rollers L, is collected in si suit-able rrc'ptacle placed underneath; or, iF desired, it may at once be conducted io the deuilpliurizer or to the ainalgamator.

I claim ns new und desire to secure by Let'- ters Patentl. Giving to the movable block E a com bined crushing and grinding inotion by means of the eccentric shaft C, upon which it is suspended, and the rear rocking support, F, substantielly as described.

2. The horizontally-adjustzrble block H, in combina-tion with the movable block E, when supported by the rocking rear support, F, substantially as described.

A. F. W. PARTZ.

Witnesses THEO. TUSCH, M. M. LIVINGSTON.

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