Liquid injection machine for square aluminum shell battery cell

The invention discloses a square aluminum shell battery cell liquid injection machine, and particularly relates to the technical field of liquid injection machines, the square aluminum shell battery cell liquid injection machine comprises a liquid injection table, a rotating ring is arranged in the liquid injection table, a center plate is arranged in the rotating ring, a pressurization liquid injection box is fixedly arranged at the top end of the center plate, and a liquid injection mechanism is arranged on the pressurization liquid injection box; a plurality of movable bottom plates are arranged in the fixed frames; a mounting plate is arranged at the bottom of the rotating ring, and a plurality of light touch switches are mounted at the top end of the mounting plate. According to the invention, the amount of electrolyte added into the square aluminum shell battery cell is determined through the elastic movement distance of the first spring, and the opening and closing of the electrolyte injection head are