The utility model discloses a spiral spring discharging device which comprises a drive motor, a motor seat, a material containing bucket, a motor shaft pair, a shaft flange, a fixing key, a stainless steel spiral spring, a bearing, a discharging hopper, a rubber pipe fixing seat, a food rubber pipe and a steel frame. The drive motor is connected with the material containing bucket through the motor seat, the motor shaft pair is arranged on a shaft of the drive motor, the stainless steel spiral spring is arranged at the middle position of the shaft flange and the middle position of the material containing bucket in a sleeved mode, the motor shaft pair and the stainless steel spiral spring are fixed through the fixing key, the bearing is arranged between the material containing bucket and the stainless steel spiral spring, the discharging hopper is arranged on the middle part of the material containing bucket, the material containing bucket is connected with the steel frame, the food rubber pipe is connected with the rubber pipe fixing seat, and the food rubber pipe and the rubber pipe fixing seat are connected with the steel frame. When the spiral spring discharging device is used, the food rubber pipe is directly stretched into the bottom of a grain bin, the stainless steel spiral spring is driven to rotate through the drive motor to feed grain into the material containing bucket, and the spiral spring discharging device has large practical value.