Utility model patent authorization，ZL2021 2 0050255.4

: A dedusting device for spark machining The utility model discloses a dedusting device for spark machining, which comprises a frame, a bottom plate is arranged at the bottom of the frame, and a support plate is fixedly connected to one outer wall of the frame, The upper surface of the support plate is fixedly connected with a motor, one side of the frame is movably connected with a reciprocating rod, and one end of the output shaft of the motor is fixed with the reciprocating rod, one side of the reciprocating rod is movably connected with a sliding plate, and the bottom of the sliding plate A scraper is movably connected, a guide rod is fixedly connected to one inner wall of the frame, and the guide rod is slidably connected with the slide plate. The utility model can not only filter the impurities in the working fluid through the filter screen, and improve the cleanliness of the working fluid, but also can push the impurities in the working fluid into the feeding pipe through the scraper, so as to facilitate the cleaning of the impurities in the working fluid. After collecting and processing, the orifice plate can also be cleaned by brushes, so as to avoid blockage caused by excessive impurities on the orifice plate, and improve the filtering effect of the orifice plate.