To provide a molten metal supply apparatus and a hot chamber die casting apparatus that enable aluminum to be formed into a hot chamber without using a goose neck and achieve molding with high productivity and reliability.
A molten metal supply apparatus includes: a retention furnace 2 which retains molten metal M of aluminum or aluminum alloy; a ceramic-made injection cylinder 3 which is installed in the molten metal substantially vertically while penetrating a bottom portion of the retention furnace, and has in a side face, a molten metal supply through hole into which the molten metal can flow; a ceramic-made injection plunger 4 fitted in the injection cylinder; a joint 5 which has an inflow opening connected to a lower end of the injection cylinder and an outflow opening for injecting the flown-in molten metal substantially in the horizontal direction through an L-shaped flow passage 5b; a nozzle portion 6 having in the inside, a molten metal passage 6a arranged substantially horizontally and having a base end connected to the outflow opening; and a stop valve 8 which is provided to a distal end of the nozzle portion and can open and close the molten metal passage, wherein parts of the joint portion, nozzle portion, and stop valve which come into contact with the molten metal are all made of ceramic.
MASUDA YOSHIYUKI
YODA KAZUNORI
FUJI INDUSTRIES CO LTD
NNH KK
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