Circulating type cooling liquid filling device for machining

The utility model relates to the technical field of machining, in particular to a circulating type cooling liquid filling device for machining, which comprises a track rod, a mounting plate, a motor supporting plate, a rotating motor, a screw rod, a threaded ring, a connecting rod and a sleeve rod, the mounting plate is welded at the right end of the track rod, and the motor supporting plate is welded at the left end of the track rod. According to the cooling liquid circulating device, the screw rod and the threaded sleeve are arranged, the rotating motor is started to drive the screw rod to rotate clockwise, so that the screw rod drives the threaded sleeve to move towards the right side, and the effect of driving the cooling liquid circulating device to move towards the right side is achieved; and the screw rod drives the threaded sleeve to move towards the left side, so that the effect of driving the cooling liquid circulating device to move towards the left side is achieved, movement of the cooling liquid