US939770A - Pulverizer. - Google Patents

Description

M. J. WILLIAMS.

PULVERIZER. APPLICATION FILED FEB. 16, 1909.

939,779; Patented Nov. 9, 1909.

lnvenbor: Milton J.W1H1ams.

ABBY.

MILTON J. WILLIAMS,

T OFFICE.

OF CHICAGO, ILLINOIS.

PULVERIZER.

Specification of Letters iatent.

Patented N 0V. 9, 1909.

Application filed February 16, 1909. Serial No. 478,212.

To all'whom it may concern:

Be it known that I, Mnzrox .I'. \Vnaaans, a citizen of the United States, residing at Chicago, Illinois, have invented a certain new and useful Improvement in lulverizers, of which the following is a full, clear, and

exact description. such as will enable others skilled in the art to which it appertams to 3 make and use the same, reference hemg had f to the accompanying drawings, forming part. ot this speclficatlon, m wlnch- Figure 1 is a vertical sectional through a pulverizer constructed according I to my improvement; Fig. 2 is a horizontal iraglnentarv sectional view through the same.

This invention relates to a new and useful improvement in pulverizcrs of that t vpe commercially .Xnown the "Williams mills", channrterized by the pivoted revolving hamn'iers which act upon the material as it enters the machine at the hopper or feed end thereof, crushing said material as it rests upon the bottom of the hopper, or breaker plate, as it is son'ictimes called, the material l'ieing further disintegrated or crushed by the hammers acting-thereon as the material carried over the cage or grinding surface. The crushed material falls through the openings in the cage. or grinding surface into a suitable. receptacle located beneath the machine. The hammers or heaters which revolve about the shaft, while made of a material whose resistance to wear is itsessential quality,-Will, in time, wear awa at their striking ends, and the farther these striking ends are removed from the breakm' plate and grinding surface, the less lwconu-s the capacity of the machine.

it is the purpose of my present invention to provide means wherein these revolving hammers or l'araters may be adjusted ontwardly to take up this wear (or inn-arrlly, it

occasion requires, as when a new cage is introduced to replace a worn one), said means being operable from the inside of the casing and ell'ecting thc simt-lltaneous and uniform adjustment of all the hammers or heaters.

5 is a shalt mounted in hearings in the side. frames of the machine, one end of said shalt carrying a pulley (3 and the other end, a balance win-cl (not shown), it. desired. Within the casing ol the machine, shaft 5 carries head pieces 7. laptwecn which head pieces and feathered on shaft 5 is arranged an adjustable cone 8. Threaded rods 9 view 1 t project from the base of the cone through l one ot the head plates 7. i it) are lugs arranged betweenthe head pieces '7, said lugs being formed with openings for the passage of clamping screws 11. ()u some of these clamping screws are levers 12, whose inner end." bear against cone The outer ends of levers l2 carry pivoted hammers tijwhich act upon the material 1 to he reduced in the machine.

ln operation. it the hammers lit Wear at 1 their striking ends the cone 8 is adjusted j so that the inner ends ot all ot the levers ll'ltlk down inclined snrtacc ot' the cone, l

which causes the hammers to move outwardly. such outward movement taking up the wear on the hammer ends. The outer ends of lovers 12 are most heavily weighted, and coast-intently centrifugal force will act upon such outer ends olj said levers. causing their inner ends at all times, in operation. to hug the surface of the cone... When the proper :nljustnu-nt has been ell'ect'cd, the cone locked against:- longitiulinal displace ment by the nuts on the rods t). These nuts are arranged on each sideof a ring it secured in position upon one of the head casings 7.

I am aware that minor changes in the construction, arrangement and combination of the several parts of my device can be made and substituted for those herein shown and described without in the least departing from the nature and principle of my invention.

Having thus described no,inventiomwhat I. claim is:

1. in a pulverizer, the combination with a casing, oi' a shat't mounted therein, head pieces on the shatt within the casing, a series of levers arranged lmtween the head pieces, hammers pivotally carried by the levers, a member arranged to slide on the shalt between the head pieces and engaging all of the levers and adjustable means seated in i one of the head pieces and engaging said sliding member.

2. In a pulverizer, the continuation with t a casing, oi pivoted revolving hammers arranged in said casing, a shaft for carrying i said hannners, head pieces on the shaft and between which said hammers are mounted, and means arranged wholly within the casi iug and cooperatii'ig with. one of said head pieces for adjusting said boaters inwardly and outwardly.

3. In a pulverizer, a casing, a shaft journaled therein, head pieces on the shaft within the casing, rods connecting said head pieces, levers of different lengths mounted on said rods, hammers pivotally carried by the outer ends of the levers, a conical member loosely mounted on the shaft between the head pieces and engaging the inner ends on the levers and adjustable means seated in one of the head pieces for shifting the conical member lengthwise upon the shaft.

4:. In a pulverizer, thecombination with a casing, a shaft mounted in said casing,

head pieces carried by said shaft, a cone mounted between the head pieces, means for adjusting said cone longitudinally upon the shaft, rings secured in position between said head pieces, levers pivotally mounted between said rings and having their inner ends bearing upon said cone, and hammers or beaters carried by the outer ends of said levers. v

5. In a pulverizer, a casing, a shaft mounted for rotation therein, head pieces arranged on the shaft, levers pivotally held between the head pieces, rotating hammers pivotally carried by the outer ends of the levers, an adjustable member arranged between the head pieces and cooperating with the inner ends of the levers foradjustin the hammers inwardly and outwardly, an means whereby said adjustable member is looked after adjustment.

6. In a pulverizer, a casing, a shaft mounted for rotation therein, head pieces on the shaft within the casing, a series of sets of levers pivotally mounted between the head pieces, rotating hammers pivotally carried by the outer ends of the levers, a cone arranged to slide upon the shaft between the head pieces and with which cone the inner ends of all of the levers engage,

and fneans carried by said cone and passing through one of the head pieces for m ing the cone to adjust the hammers inwardlv and outwardly.

In testimony whereof I hereunto affix my signature in the presence of two witnesses,

this 8th day of February, 1909.

MILTON J. WILLIAMS.

Witnesses:

WILLIS MELVILLE, I REINHOLD E. WINTER.

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