Machine tool cooling device

The utility model relates to the technical field of cooling devices, and discloses a machine tool cooling device which comprises a liquid supply mechanism and further comprises a cleaning mechanism and a warning mechanism, the inner wall of the side face of the liquid supply mechanism is fixedly connected with the side face of the cleaning mechanism, and the bottom end of the warning mechanism is fixedly connected with the inner wall of the bottom end of the liquid supply mechanism. The liquid supply mechanism comprises a water tank, the top end of the water tank is movably connected with a top cover through a pin, the top end of the top cover is fixedly connected with a handle, the bottom end of the water tank is fixedly connected with a cooling pump body, the bottom end of the cooling pump body is fixedly connected with a water pumping pipe, and the inner wall of the side face of the water tank is movably connected with a filter plate. The motor drives the transmission wheel to rotate, the transmission hing