Dispensing – Molten metal dispensing
Patent
1983-06-10
1985-05-14
Rolla, Joseph J.
Dispensing
Molten metal dispensing
222629, 222357, 414706, 414733, B22D 4112
Patent
active
045166994
ABSTRACT:
An automatic ladling apparatus for conveying molten metal from a furnace to a die casting machine or the like. The ladle dipper is carried through its ladling cycles by means of cooperating link assemblies mounted on an upright base or pedestal. The assemblies include a motion generating link assembly having a generating arm with an outer end adapted to move through a generally horizontal path with a downwardly curved vertical portion at one end. The other end of the generating arm is connected to a crank arm mounted on a crankshaft that is turned by an appropriate drive through a Geneva motion mechanism. The motion of the generator arm is further controlled by a rocking link connected between the arm and the base. The outer end of the generator arm is connected to a second link assembly that includes a main link connected at one end to the base and a carrier link connected to the main link at one end and adapted to carry the ladle dipper at its other end. The attitude (i.e., tilt angle) between fill, transport, and pour positions is controlled through a chain and sprocket mechanism extending through the main link and carrier link and by a cam link and crank arrangement controlled alternately by the crankshaft movement and by the rocking link movement to coordinate the ladle attitude with the path of travel between the furnace and the die casting machine.
REFERENCES:
patent: 2815138 (1957-12-01), Noffsinger
patent: 3400862 (1968-09-01), Watanabe
patent: 4289259 (1981-09-01), O'Brien
patent: 4441852 (1984-04-01), Dixon
Banovic Peter
Burton Charles A.
Pedersen Nils E.
Rolla Joseph J.
Yellowstone Ltd.
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