Curing agent proportioning device based on cast hot-core box resin

The curing agent proportioning device comprises a proportioning box, a cleaning motor is installed on the top face of a box cover, a fixing ring is fixedly connected to the middle of the cleaning motor in a sleeved mode, an electric push rod is installed at one end of the bottom face of the fixing ring, and the bottom face of the electric push rod is installed on the top face of the box cover. Connecting rods are installed on the two sides of the top end of the rotating shaft through screws, a cleaning plate is installed between the top ends of the two sliding rings and one side of the bottomend of the rotating shaft, a limiting plate is installed at one end of the top end of the cleaning plate, clamping grooves are formed in the positions, corresponding to the limiting rings, of the bottom face of the limiting plate, and rubber plates are bonded to the two sides in the clamping grooves. The inner wall of the proportioning box is cleaned without disassembling the box cover by a workerto clean the proportionin