Foundry molding machine

Details Foundry molding machine Foundry molding machine

1975-07-07

1976-05-11

Hinson, Harrison L.

Metal founding

Means to shape a forming surface

Including means for compacting particulate fluent mold...

164162, 164 29, 164207, B22C 1502, B22C 1302, B22C 900

Patent

active

039556140

ABSTRACT:
A foundary molding machine which for the simultaneous separate production of two foundry mold parts possesses two mold units provided with a respective match plate support and a sand filling- and compaction station. Each of the mold units has operatively associated therewith a pivotal device incorporating pivotal arms pivotable about vertical shafts in a respective horizontal plane. The pivotal arms carry mold frames supported in mold frame holders which they pivot from the sand filling- and compaction station, while rotating the mold frame containing the mold lower part through 180.degree. about a horizontal axis, into a position wherein both mold parts are in superimposed position at an attachment or assembly station where both of the mold parts are deposited on top of one another onto a conveyor mechanism. According to the invention, each pivotal device possesses at least three substantially uniformly offset pivotal arms carrying the mold frames in the mold frame holders and all mold frames of both pivotal devices are rotatable about a respective horizontal shaft through an angle of approximately 180.degree. and arranged to be individually vertically displaceable.

REFERENCES:
patent: 2325501 (1943-07-01), Gedris
patent: 3730250 (1973-01-01), Fellows

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