Opening forming device of lithium titanate battery

The utility model discloses an opening forming device of a lithium titanate battery. The opening forming device comprises a forming cabinet, a closed container and an air exhausting device, wherein the forming cabinet comprises an anode test line and a cathode test line which are used for being connected with an anode and a cathode of the battery; the closed container is used for containing the battery and the air exhausting device; the air exhausting device comprises an air bag, a recovery bag and an air valve, the air bag comprises an air inlet and an air outlet, the air inlet of the air bag is connected with a liquid injection hole of the battery, the recovery bag comprises an air inlet and an air outlet, and the air inlet of the recovery bag is connected with the air outlet of the air bag through the air valve. By utilizing the opening forming device of the lithium titanate battery, the generated gas can be timely exhausted, so that the problems of gas expansion and the like in a later use process are avo