Concrete additive finished product tank convenient for observing residual amount

The finished product tank comprises a tank body, a feeding port is formed in the left side of the tank body, a discharging port is formed in the lower end face of the tank body, and a motor is fixed to the upper end face of the tank body; the first rotating shaft is connected to the tank body through a bearing, the first rotating shaft is fixed to the tail end of an output shaft of the motor, and a driving gear is fixed to the lower end of the first rotating shaft; and the transverse plate is arranged in the tank body, a pull rope is fixed to the transverse plate, the pull rope is connected with the guide wheels, meanwhile, the pull rope penetrates through the side edge of the tank body to slide, the guide wheels are connected to fixing plates through bearings, and the fixing plates are symmetrically fixed in the tank body. According to the concrete additive finished product tank convenient for observing the residual amount, powder can be stirred by adopting the stirring mechanism, so that the powder is preve