Feeding and discharging device

The invention relates to a feeding and discharging device. The feeding and discharging device comprises a sealing box, conveying equipment, an insertion plate door and an atmosphere control assembly. The sealing box is provided with an operation hole and a visual window, and a glove is connected in the operation hole. The conveying equipment is arranged in the sealing box and comprises a rack, a conveying frame and a driving system, the rack is connected to the sealing box, the conveying frame is movably connected to the rack, and the driving system drives the conveying frame to move. The slide plate gate is connected to one end of the sealing box and comprises a frame body and a gate body, an access port is formed in the frame body, and the gate body is used for opening and closing the access port. The atmosphere control assembly is used for filling inert gas into the sealing box to replace air in the sealing box, so that an anaerobic environment is formed in the sealing box. During use, a user stretches a h