Patent GB-191411658-A (GB)
Title: Improved Hydraulic Briquetting Machine.
Inventor: KORTE CHRISTIAN
IPC: B30B11/02
Filed: 1914-05-12
Granted: 1915-06-14
Abstract: 11,658. Korte, C. May 12. Presses, cylinder-and-piston; governing and controlling; working valves.-An hydraulically-actuated horizontally moving piston operates a briquettiag-ram on either side and is provided with partly mechanical and partly hydraulic devices for controlling the pressing and discharge movements of the ram and the feeding of the material. The machine is applicable for pressing metal turnings or borings. The hydraulic c y l i n d e r 2, Fig. 1, is provided with a piston having rods 3<a>, 3<b> operating similar apparatus, that on one side only being shown. The rod 3<a> carries a cross-head 8, Figs. 2 and 3, sliding on fixed guides 4, 4<a> extending to the framing 5 in which is journaled the shaft 6<a>, Figs. 2, 3, and 4, carrying the rotary press block 6. This block is moved by the cross-head 8 through the links 8<a>, 9, 10 and ratchet-wheel 6b, so that the solid arms are opposite the mould 7<a> on the pressing-stroke of the ram 7, and the blank spaces on the following delivery stroke. The material to be briquetted is contained in the hopper 11<a>, Fig. 1, and is fed by a rotary barrel 11<b>, Figs. 2 and 14. This barrel is operated by the cross-head 8 through the links 13<b>, 13<a>, ratchet - wheel 12, bevel-gear 12b, 12<c>, chain 11<d>, and shaft 11<c>. Connected with the ratchetwheel 12 is a disengaging- device 13<c>, similar to the device 6<c>, Fig. 4. These devices comprise adjustable plates having inclined projecting parts over which a projection from the operating-ratchet may slide and force the ratchet out of engagement with its wheel when the wheel has moved through the desired amount. The valve mechanism shown at 14, Fig. 3, and in Fig. 13, admits pressure water by the pipe 14<a>, and by the oscillation of the lever 15 upon the sbaft 15<a>, acting upon the four valves 14<b>, 14<d>, 14<f>, 14<g>, admits the water alternately by the pipes 14<c> to the two ends of the cylinder, and exhausts it by the pipes 14<e>. To control the movements of the lever 15, the mechanism shown in Fig. 11 is employed. The shaft 15<a> carries a lever 16, which may engage in a notch at either end of the sliding plate 16<a>. Two hanging levers 17, 17<a>, controlled in one direction by stops 17<b>, 17<c>, are attached to the plate 16<a>. A lever 18 is also mounted on the shaft 15<a> and has a quadrant slot 18b sliding over a pin 16<b> on the lever 16. A connecting-rod 19 is pivoted to a dash-pot piston in the cylinder 20<a>, which piston is pulled downwards by a spiral spring (not shown). The cylinders 21, 21<a> are connected to the two ends of the pressure cylinder 2, and the rams 22, 22<a> carry cross-heads which tend to be retracted by the springs 23 and rods 23<a>. The outward movement of the ram 22 when the briquette is being formed by the movement of the main ram 7 forces the lever 18 through the medium of the pin 18<a> into a vertical position, the pin at the same time swinging the lever 17 out of action. The lever 18 is immediately snapped into its extreme left-hand position by the action of the spring previously mentioned, at the same time as the pin 18<a> engages the lever 17<a> and forces up the plate 16<a>, thus allowing the lever 16 to move into its left-hand position, and consequently to move the tappet 15 on the shaft 15<a>, thus reversing the action of the valves 14. The pressure of water necessary to overcome the springs 23 thus determines the pressure put upon the briquette. During the receding movement of the ram 7, the press block will have been rotated as described, to uncover the mould, and the barrel 11<b> will have been rotated so as to refill the measuring cavity. The next forward stroke discharges the briquette and rotates the barrel 11<b> so as to empty its charge into the container 11, whereupon the cycle of operations recommences.