Automatic sorting device of belt conveyor

The utility model relates to the technical field of belt conveyors, and discloses an automatic sorting device of a belt conveyor, which comprises a base, the inner side of the surface of the base is movably connected with a belt conveyor body through a rotating shaft, and the top of the base is fixedly provided with a box body; a sorting mechanism is arranged in an inner cavity of the box body and comprises a servo motor, and the servo motor is fixedly installed on the right side of the surface of the box body. According to the automatic sorting device of the belt conveyor, the servo motor is started to work through the controller, when the servo motor is started, a positive and negative screw rod at the output end can be driven to rotate, a sorting plate can be driven to move downwards through movement of a connecting plate, and therefore the gap between the sorting plate and the belt conveyor body is adjusted; when materials pass through the gap between the sorting plate and the belt conveyor body, the mate