Tin ingot casting mold device

The utility model relates to a tin ingot casting mold device, and belongs to the technical field of metal product ingot casting. The tin ingot casting mold device comprises a casting mold, packaging grooves, fixing pieces, ejector pins, a pneumatic device, a pneumatic device connecting piece and ejector pin connecting pieces, the two symmetrical packaging grooves are formed in the bottom of the interior of the casting mold, and the multiple fixing pieces communicated with the bottom face are evenly arranged on the bottom face of the casting mold. An ejector pin capable of freely sliding in each fixing piece is arranged in each fixing piece, each ejector pin is in the shape of an upper boss and a lower thin column, under the gravity state, the top face of the upper boss of each ejector pin is flush with the bottom face of the casting mold, the bottom face of the upper boss of each ejector pin is clamped at the bottom end of the corresponding fixing piece, and the bottoms of the lower thin columns of every two