Metal founding – Means to shape metallic material – Including ladle or crucible type melt receptacle
Patent
1980-09-05
1982-10-12
Spruill, R. L.
Metal founding
Means to shape metallic material
Including ladle or crucible type melt receptacle
222357, 222629, B22D 4106
Patent
active
043534066
ABSTRACT:
The machine has a casting ladle mounted rotatably on a movable support member which conveys the ladle between a filling station and at least one casting station. The movable member carries a motorized rotary disc cam cooperating with a cam-follower which controls rotations of the ladle. The cam profile includes a larger sector of increasing radius to cause a pouring rotation of the ladle at the casting station and a smaller sector of decreasing radius to cause a return rotation of the ladle to the upright position after casting. The cam has, between the two sections, a profile portion which is re-entrant towards the axis of rotation of the cam and in which the cam-follower is engageable selectively to cause a sharp rotation of the ladle from the upright position to an inverted position, so as to release the skin or crust of solidified metal from the inside of the ladle when the latter is at a cleaning station. Control means are provided for avoiding engagement of the cam-follower in the re-entrant portion at least when the ladle is in the casting station, and for disengaging the cam-follower from the re-entrant portion after the inversion of the ladle.
REFERENCES:
patent: 2611939 (1952-09-01), Kux
patent: 3398782 (1968-08-01), Lauterjung
patent: 3977460 (1976-08-01), Badone et al.
patent: 3979033 (1976-09-01), Fulton et al.
patent: 4074837 (1978-02-01), Engel
Batten, Jr. J. Reed
Fataluminium S.p.A.
Spruill R. L.
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