Barb removing machine for filter shell

The utility model discloses a filter shell barb removing machine, which relates to the technical field of filter processing and comprises a limiting base, the bottom end of the limiting base is connected with a supporting seat, and the supporting seat is connected with a moving mechanism. The moving mechanism comprises a first gear, a first rotating shaft, a first connecting plate, a second gear, a second rotating shaft, a central gear and a second connecting plate, the inner wall of the first gear is rotatably connected with the first rotating shaft, and the outer wall of the first rotating shaft is rotatably connected with the first connecting plate; the moving mechanism is arranged between the polishing wheel and the filter fixing mechanism, two filters can be polished at the same time to remove barbs, and when filters of different sizes are machined, the distance between the polishing wheel and the fixing mechanism can be controlled; and the distance between the fixing blocks can be adjusted by adjusting