The invention discloses a numerically-controlled machine tool chip removal device which comprises a collecting box and a heating box. Supporting plates are fixedly connected to the upper ends of the left side and the right side of an inner cavity of the collecting box, and first partition plates are movably connected to the tops of the supporting plates through a plurality of springs distributed at equal intervals. The left ends of the tops of the first partition plates are fixedly connected with a sliding base with the right side slidably connected with a slider, and the right side of the slider is movably connected with a push plate through a first electric telescopic rod. The device is provided with the supporting plates, the springs, the first partition plates, a vibration motor, a heating plate, the sliding base, the slider, the first electric telescopic rod, the push plate, a driven wheel, a glass fiber filter screen plate, a driving wheel, a conveying motor, a second clamping seat, a KDF filter layer, a heating box, a heating wire, a pipeline, a fan, a spray head, a first clamping seat, an HEPA filter screen and an activated carbon filter layer, so that the device can have the functions of chip collection, chip drying and cutting fluid collection, and therefore great convenience is brought to use of people.