Liquid cooling welding forming metal box based on cylindrical battery cell

A liquid cooling welding forming metal box based on a cylindrical battery cell comprises a battery double-module and a surrounding type liquid cooling plate, the battery double-module comprises a first module and a second module, the first module is connected with the second module, the battery double-module is composed of a battery cell support and the cylindrical battery cell, the battery cell support comprises an end support, and the end support is connected with the surrounding type liquid cooling plate. The end bracket comprises a hoisting hole, a battery cell mounting hole and a connecting bolt through hole, the surrounding type liquid cooling plate comprises a cooling pipe and fins, the cooling pipe is connected with the fins, the cooling pipe comprises a liquid inlet and a liquid outlet, and the surrounding type liquid cooling plate is connected with the liquid cooling plate fixing frame; according to the utility model, the surrounding type liquid cooling plate 5 and the battery cell bracket 22 with a