초록 ▼

An automatic continuously cycleable molding system wherein a plurality of mold sets are transported in predetermined timed cycles through a series of work stations wherein the various molding, curing and workpiece handling operations are accomplished, and wherein the mold sets are recirculatingly mo

An automatic continuously cycleable molding system wherein a plurality of mold sets are transported in predetermined timed cycles through a series of work stations wherein the various molding, curing and workpiece handling operations are accomplished, and wherein the mold sets are recirculatingly moved through the system for repeated usage.

대표청구항 ▼

An automatic multi-station molding apparatus for use with bottom and top molds that are assembleable into mold sets each of which cooperatively define at least one molding material receiving cavity from which at least one run extends to at least one product defining recess, the top mold having a bor

An automatic multi-station molding apparatus for use with bottom and top molds that are assembleable into mold sets each of which cooperatively define at least one molding material receiving cavity from which at least one run extends to at least one product defining recess, the top mold having a bore extending into the cavity with a plunger removably carried in the bore, said apparatus comprising, in interconnected combination: (a) a mold assembly station for receiving a preheated bottom mold and having means for receiving a preheated top mold and moving it into assembled engagement with the received bottom mold to form a mold set; (b) a molding station for receiving the mold set from said mold assembly station and including, I. means for applying a clamping force on the received mold set, II. means for pulling and subsequently reinserting the plunger of the top mold of the received mold set, III. means for placing molding material in the cavity defined by the received mold set when the plunger is pulled from the top mold thereof, IV. means for applying a force on the reinserted plunger of the top mold of the received mold set for liquification and flow of the molding material into the recess defined by the received mold set; (c) a curing station for receiving the mold set from said molding station; (d) a mold disassembly station for receiving the mold set from said curing station and having means for removing the top mold from the bottom mold to disassemble the received mold set; (e) a product removal station for receiving the bottom mold from said mold disassembly station and having means for removing the molded product from the received bottom mold; (f) a degating station for receiving the molded product from said product removal station and having means for removing the cull and gate from the received molded product to form a finished product; and (g) a finished product handling station for receiving the finished product from said degating station and having means for moving the finished product out of the system.