Automatic water supplementing flotation machine

The utility model belongs to the technical field of preparation equipment. The utility model discloses a flotation machine capable of automatically supplementing water. Flotation machine support, a flotation tank is arranged in the middle of the flotation machine bracket; a stirring motor is arranged at the top of the flotation machine support, a water tank is arranged on the upper middle portionof the flotation machine support and provided with an opening, the water tank is communicated with the flotation tank through a communicating pipe, a float valve and a valve are arranged in the middleof the communicating pipe, and a connecting port is formed in the lower portion of the right side face of the flotation tank and provided with a one-way valve. According to the flotation machine capable of automatically supplementing water, the stability of the liquid level in the flotation tank in a flotation experiment is improved, meanwhile, manual water adding in the test process is not needed, and the test is simpler