Coating anti-overflow test oscillator

The utility model relates to the field of oscillators, in particular to a coating anti-overflow test oscillator which comprises an oscillator body, a chuck and a pressing plate, a binding band is hung on the surface of one side of the pressing plate through a rope, a sliding groove is formed in the upper surface of the chuck, a circular groove is formed in the sliding groove, a clamping assembly is movably arranged in the circular groove, and the clamping assembly is movably connected with the chuck. A circular groove is formed in one side of the clamping disc, an adjusting groove is formed in one side of the circular groove, a rack is slidably connected into the adjusting groove, a first pull rope and a second pull rope are fixedly installed at the two ends of the rack correspondingly, and a take-up barrel is movably installed on the lower surface of the clamping disc in an embedded mode; and the rotating shaft is rotationally connected with the circular groove. According to the utility model, the lower end