Filling device for processing of saltpetering-preventing coating

The utility model relates to the technical field of filling devices, in particular to a filling device for saltpetering prevention coating processing. The device comprises an L-shaped plate, the short arm end of the L-shaped plate is fixedly connected with a filling device and a capping device, the short arm end of the L-shaped plate is fixedly connected with a conveying frame, the surface of the long arm end of the L-shaped plate is provided with a fixing structure, the fixing structure comprises two tripods, the lower surfaces of the tripods are fixedly connected with the L-shaped plate, and the ends, close to each other, of the two tripods are highly connected with a rectangular plate; the upper surface of the rectangular plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating block, the rotating block is rotatably connected with two adjusting plates, the ends, away from the rotating block, of the adjusting plates are rotatably connected with an auxiliary p