Feed spraying machine for breeding pool

The feed spraying machine comprises a supporting cylinder, a lifting column is movably inserted into the supporting cylinder, a spraying pipe is arranged at the top of the lifting column, one end of the spraying pipe is connected with a thick nozzle through threads, a screw rod is connected into the lifting column through threads, and the bottom end of the screw rod is connected with the inner wall of the bottom of the supporting cylinder through a bearing. The inner wall of one side of the supporting cylinder is connected with the worm through a bearing, the worm is meshed with the worm gear, the outer wall of one side of the supporting cylinder is provided with a hand wheel, the hand wheel is connected with the worm through a spline, one side of the supporting cylinder is provided with a material barrel, and a hose is connected between the material barrel and the injection pipe. The hand wheel, the screw rod and the lifting column are arranged, the hand wheel drives the worm to rotate, the worm drives the w