Die casting machine
AssigneeShibaura Machine Co., Ltd.
InventorsMakoto TSUJI, Yuto HAYASHI, Saburo NODA
Life of this patent
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Abstract
A die casting machine of an embodiment includes: a holding furnace holding molten metal; a sleeve located outside the holding furnace and having a molten metal supply port passing through a mold; a plunger sliding through the sleeve and including a plunger rod and a plunger tip fixed to a tip of the plunger rod; a molten metal supply pipe pushed against the sleeve to cover the molten metal supply port and supplying the molten metal into the sleeve; and a pushing force variable mechanism reducing a pushing force for the sleeve in the molten metal supply pipe when the plunger is sliding.
Claims14
A die casting machine comprising:
- a holding furnace holding molten metal;
- a sleeve located outside the holding furnace, the sleeve connected to an inside of a mold, and the sleeve having a molten metal supply port;
- a plunger sliding through the sleeve and including a plunger rod and a plunger tip fixed to a tip of the plunger rod;
- a molten metal supply pipe pushed against the sleeve to cover the molten metal supply port and supplying the molten metal into the sleeve;
- and
- a pushing force variable mechanism configured to reduce a pushing force of the molten metal supply pipe against the sleeve when the plunger is sliding.
Dependencies are inferred from the claim text.