US353095A

US353095A - Brick-machine

Info

Publication number: US353095A
Authority: US
Publication date: 1886-11-23
Anticipated expiration: 1903-11-23

Description

(No Model.)

W. THAISON.

BR IGK MACHINE.

Patented Nov. 23, 1886.

INVENTOR ATTORNEYS.

N. PETERS. Pnuwmhu n hm. Wasmnglnn, D. c.

UNITED STATES PATENT OFFICE.

WVILLIAM THAISON, OF AUSTIN, TEXAS.

BRICK-MACHINE.

SPECIFICATION forming part of Letters Patent No. 353,095. dated November 23, 1886.

Application filed January 7, 1886. ScrialNo.1S7,849. (No model.)

T0 aZZ whom it may concern.-

Be it known that I, WILLIAM Tnnrson, of Austin, county of Travis, State of Texas, have invented a new and Improved Brick-Machine, of which the following is a full, clear, and eX- act description.

The object of my invention is to provide a new and improved brickmachine which is simple in construction, Compact, occupying very little space, and produces a large number of bricks in a very short time.

The invention consists in the construction and combination of parts and details as hereinafter described, and then specifically claimed.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar letters of reference indicate corresponding parts in both the figures.

Figure 1 is a cross-sectional elevation of my improved brick-machine. Fig. 2 is a sectional plan View of the same on the line as m, Fig. 1.

The frame of the machine is composed of the four uprights A and the connecting crossbraces B, united at the center by the neck 0, in which revolves the heavy vertical shaft D, suitably stepped at its lower end. On the collar E on the shaft D the mold-wheel F rests, and is keyed to revolve with said shaft. Said mold-wheel is provided with six, eight, or more radial mold-cavities, G, in its upper surface, which cavities are open at the top and bottom, and in each cavity is closely fitted a plunger, H, provided with two downwardlyprojecting arms, I, between which a roller, J is mounted to revolve on the shaft K, held in the lower ends of the arms I, and passed through the vertical guide-slots L in the lower parts or flanges, M, of the mold-Wheel.

The plunger-arms I are held from sidewise movement by lateral guide pins or projections N, resting against the flanges M on either side.

The rollers J run on the cam-ring O on the base 1? of the machine, which camring is of varying height, so that the rollers running over it move up and down and impart said motion to the plungers H in the mold-cavities G. c

Each mold-cavity has a steel lining, G, and the plunger therein a steel top; and at each cavity, at the inner side thereof, is hinged a door, Q, fitting closely within said cavity, and having a transverse rib, Q, on its upper surface, for a purpose hereinafter set forth.

The fixed hinge-lugs It of each door-hinge have vertically-slotted eyes for the hinge-pin, so as to allow a slight vertical movement of the door out of the mold-cavity, and one-- and extends over the top of the mold-wheel,

thelength of said arm being equalto about onefourth of the circle. To the swinging end of said arm the rod Vis secured, which is passed through an aperture in the cross-piece B, and has a nut screwed'on its outer end, thus allowing an upward movement of the arm T, but checking its downward movement. On the swinging end of said arm T, beyond the rod V, is formed the head \V, between which and the cross-piece B a powerful spiral spring, a, is held, which presses the arm T on the doorribs Q, and can be adjusted to keep the doors closed against normal pressure from below, and yet yield and relieve the machine from undue strain when an excess of clay has been placed in a cavity, G. Instead of the spiral spring a, any other suitable form may be used, as desired. On the lug U of the frame a camrod,b,is secured,which strikes the doors L and swings them down to close the mold-cavities.

The clay is placed upon the hopper or platform Z, so that it can be shovcled into the mold-cavities, and the surplus clay is removed from each cavity to that succeeding by the scraper 0, preferably of sheet metal, riveted to the under part of the scraper-frame (2, formed of two radial portions and aninner segmental part, the radial extensions being secured at their outer ends to the standards A. The

scraper or knife 0 is slightly curved at its lower downward to the moldwheel, to keep thesurplus clay from clogging the doors. The camring is lowest at the place where the cavities are filled, and highest ash ort distance beyond the door of the same and swings it down in place, and then the doors pass under and are kept in place by the presser-arm T. From the time each door is held in position by the presser-arm the corresponding plunger, H, is raised by its roller running up the incline of the cam-ring, and the clay, &c., in the moldcavity are gradually compressed, the pressure being greatest below the spring a, and the camring being of the required height at that point to give the brick the proper size and shape. As the mold-cavities pass beyond the end of the presser-arm the hinge shanks or levers R strike the cam projection S, and the pressure being removed thereby swing open the doors, allowing the bricks, raised out of their cavities on account of the increased height of the camring, to be removed and carried away. The plungers then immediately descend, and when at their lowest point are at the hopper or platform S to receive afresh charge, and so on. For each revolution as many bricksare made as there are mold-cavities in the mold-wheel, these cavities and their plungers being of any shape, according, to that of the brick desired. The height of the cam-ring at the place of filling is regulated so as to insure a proper charge for the molds, to give the bricks when compressed the required size; but as clay is of varying composition the charge is not always exact, and hence I provide the spring-acted presser arm to relieve the machine from strains, as stated.

Having thus fully described my invention, I claim as new and desire to secure by Letters Patent- 1. In abrick-machine, the combination,with a mold-wheel mounted to revolve in the horizontal plane and provided with mold-cavities, of a plunger in each cavity, lateral guide-pins on the lower end of the plunger and resting against the lower parts of the mold-wheel, a shaft mounted on thelower end of each plunger and passed through vertical guide-grooves in the said lower parts of the mold-wheel, a roller on each shaft, and a cam-ring on which the rollers run, substantially as herein shown and described.

2. In a brick-machine, the combination,with a mold-wheel mounted to revolve in the horizontal plane and provided with mold-cavities, of a door for each cavity, hinged on the top of v the mold-wheel, each door being provided with a central transverse rib and its hinge-lug with a lever arm or shank, and of cams acting on the doors and their hinge-levers for raising the doors for swinging them down on the top of the wheel, substantially as herein shown and described.

3. In a brick-machine, the combination, with a rotary mold-wheel provided with mold-cavities, of a movable plunger in each cavity, a door for each cavity hinged on the mold-wheel, and a curved spring-acted presser-arm ar ranged to act upon the hinged doors, substantially as specified.

4.. In a brick-machine, the combination, with a mold-wheel mounted to revolve in the horizontal plane and provided with mold-cavities, of a vertically-movable plunger in each cavity, a door for each cavity hinged on the top of the wheel, the hinge plate or lug attached to the mold-wheel being slotted to allow a vertical movement of the hingepin, a curved arm pivoted over the top of the mo1d-wheel and extending over part of the same, and a spring acting on the swinging end of said curved arm, substantially as herein shown and described.

5. In a brick-machine, the combination,with a mold-wheel mounted to revolve in the horizontal plane and provided with a series of. mold-cavities, of a plunger in each cavity, a door for each cavityhinged on the top of the wheel, so as to allow of a slight vertical movement, a curved arm pivoted above the moldwheel and extending over part of the same, he rod V, connected with the swinging end of said arm and passed through the top of the frame of the machine, and of a spiral spring resting on the head on the end of the curved arm, substantially as herein shown and de scribed.

6. In a brick-machine, the combination,with a frame and a mold wheel mounted to revolve in the horizontal plane andprovided with a series of mold-cavities, of a plunger in each cavity, a door for each cavity hinged on the top of the mold-wheel and adapted to move vertically a short distance when swung down, an arm extending over part of the wheel, which arm is acted upon by a spring, and of a scraper secured to the frame of the machine and projecting over the cavities of the mold-wheel, substantially as herein shown and described.

7. In a brick-machine, the combination,with the frame-uprights A and the horizontallyrevolving mold-wheel F, having mold-cavities G, of the scraper-frame (Z, having radial and segmental parts, and secured at its outer ends to the standards A, and of the scraper 0, se-

cured on the radial and segmental parts of different heights, on which ring the plungerthen still farther upward beyond the presser r0 rollers run, a resser-arm extending over part to eject the bricks, and are then moved down of the top of the wheel and acted upon by a toward the hopper, substantially as herein spring, and of a hopper for receiving the clay shown and described.

5 before it is delivered upon the mold-wheel,

the height of the cam-ring being greatest a WILLIAM THAISON' short distance beyond the presser, and lowest Witnesses: at the hopper,whereby the plungers are grad- JAMES FORD, ually moved upward toward the presser, and H. P. N. GAMMEL.