Device for controlling shrinkage hole position of copper-silicon-aluminum alloy vacuum ingot casting

The invention discloses a device for controlling a shrinkage hole position of a copper-silicon-aluminum alloy vacuum ingot casting, which comprises a smelting crucible and a casting crucible which arearranged at the top and bottom of a vacuum furnace; the bottom of the casting crucible is fixed at the bottom of the vacuum furnace through a water cooling tray; the opening of the casting crucible is upward; the transverse opening of the smelting crucible is provided with an anti-overflow cover for closing the opening of the lower half part of the smelting crucible; the bottom of the opening ofthe smelting crucible is provided with a pouring hole, and the diameter of the pouring hole is 8-12mm; the opening of the casting crucible is provided with a heat preservation cover, wherein the heatpreservation cover is provided with a through hole; the pouring hole corresponds to the through hole from top to bottom; a circulating cooling water channel positioned at the bottom of the casting crucible is formed in the wate