Double-layer graphite crucible transfer device

The utility model relates to the technical field of transfer, in particular to a double-layer graphite crucible transfer device which comprises a transfer box body, a cock and a transfer box cover body, the cock is arranged on one side of the transfer box cover body, a three-way pipe is arranged on the side, close to the transfer box cover body, of the cock, an inflation pipe is arranged on the side, away from the cock, of the three-way pipe, and the inflation pipe is connected with the cock. A communicating pipe is arranged below the inflation pipe, an elastic air bag is arranged on the outer wall of the communicating pipe, air is pumped into the three-way pipe through the cock and the elastic air bag, the air is pumped into the inflation pipe through the other end of the three-way pipe and then pumped into the elastic air bag through the communicating pipe, and the elastic air bag is inflated to expand and is tightly attached to the inner wall of the graphite crucible body. And meanwhile, the amount of pump