High-precision sleeve penetrating device

The utility model relates to the technical field of wire rod processing, and discloses a high-precision sleeve penetrating device which is characterized in that an output shaft of a motor is fixedly connected with a rotating shaft, the two sides of the outer surface of the rotating shaft are fixedly sleeved with worms, the side faces of the two worms are connected with worm wheels in a meshed mode, and the centers of the outer surfaces of the two worm wheels are fixedly connected with fixing shafts in a penetrating mode; threaded rods are fixedly connected to the tops of the two fixing shafts, threaded sleeves are movably connected to the outer surfaces of the two threaded rods through threads, limiting rods are fixedly connected to the rear sides of the two threaded sleeves, an upper cover plate is fixedly connected between the two limiting rods, a sleeve can be fixed through a single driving source, and the production cost is saved; and meanwhile, a single driving source is convenient to control, the workin