Door plate assembly convenient for detection of gluing developer

The utility model discloses a door plate assembly convenient for detection of a gluing developer. The door plate assembly comprises a door plate, a stud and a separation blade, the door plate is provided with a through hole and a threaded hole. The through hole is used for gap connection with a wire. The threaded hole is formed in one side of the through hole in the horizontal direction. The stud is detachably connected to the outer side wall of the door plate. And the stud is positioned right above the through hole. The blocking piece penetrates through the stud and circumferentially swings along the axis of the stud to cover or open the through hole, the blocking piece is in a water drop shape and is provided with an arc part, the arc part is located at the bottom of the blocking piece, and the area of the arc part is larger than that of the through hole. When the separation blade swings relative to the stud, the separation blade deflects to one side of the through hole, the positioning hole communicates wi