Novel non-stop liquid changing device

The utility model discloses a novel non-stop liquid changing device which comprises a base, a cold water pipe is arranged on one side of the top of the base, a polishing liquid recycling box is arranged on one side of the top of the cold water pipe, a temperature sensor is arranged on one side of the polishing liquid recycling box, and a liquid level sensor is arranged on the surface of one side of the cold water pipe. A liquid supply pump is arranged at the top of the base on one side of the cold water pipe, a polishing liquid outlet is formed in the side, close to the bottom, of the cold water pipe, and the polishing liquid outlet is communicated with the liquid supply pump through a pipeline. According to the novel non-stop liquid changing device, the polishing machine is connected with the main liquid supply system and the auxiliary liquid supply system at the same time to achieve non-stop liquid changing, labor hour waste caused by traditional shutdown liquid changing is reduced, the influence of large d