Device for plugging bottle cap

The utility model discloses a device for plugging a bottle cap. The device comprises a frame, two cylindrical guide rails, an L-shaped supporting plate, a bottle cap containing cavity, a walking mechanism, a spring, a rocker and a connection piece. The two cylindrical guide rails are arranged on the front side face and the rear side face of the frame in parallel. The L-shaped supporting plate is arranged at the top end of the left side of the frame. The bottle cap containing cavity is arranged at the center of the L-shaped supporting plate. The walking mechanism is arranged on the cylindrical guide rails. The connection piece enables the walking mechanism to be connected with the lower end of the rocker. The upper end of the rocker is connected with the walking mechanism through the spring. The device for plugging the bottle cap is simple in structure, through the arrangement of the walking mechanism, the spring and the rocker, the condition that people use hands to directly plug bottle caps is effectively avoided, effort is saved through the mechanism, and production efficiency is conveniently improved correspondingly.