Automatic screw driving and sealing element applying device

The utility model relates to an automatic screw driving and sealing element applying device which comprises a supporting frame, a bottom plate installed on the supporting frame, a frame installed on the bottom plate and a movable assembly capable of moving relative to a support, and the movable assembly is used for obtaining screws and sealing elements from the outside and applying the screws andthe sealing elements to the corresponding portions of a developing box. The movable assembly comprises a first air cylinder, a screwdriver, a first sealing element supply pipe, and a third air cylinder and a fourth air cylinder which are respectively used for controlling the actions of the screwdriver and the first sealing element supply pipe; wherein the first air cylinder is used for controllingthe movable assembly to integrally move towards or away from the developing box, the screwdriver is used for screwing the developing box, and the first sealing piece supply pipe is used for applyinga sealing piece to the deve