Automatic liquid level control device of flotation machine

The utility model discloses a flotation machine liquid level automatic control device which comprises a flotation machine body, a partition plate is installed in the flotation machine body, the interior of the flotation machine body is divided into two cavities, a floating ball is arranged in the cavity close to one side of a liquid inlet pipe, a vertical rod is arranged in the cavity close to one side of the partition plate, and the vertical rod is arranged in the cavity close to one side of the partition plate. A lower limiting plate and an upper limiting plate are installed at the lower end and the upper end of the vertical rod respectively, a floating plate is arranged between the lower limiting plate and the upper limiting plate, a pipe plug is arranged on the side, close to the liquid outlet pipe, of the lower end in the cavity on the other side, and one end of the pipe plug is connected with the liquid outlet pipe in a clamped mode. According to the automatic liquid level control device for the flotati