Atomizing spray disc for plant protection unmanned aerial vehicle

The utility model discloses an atomization spraying disc for a plant protection unmanned aerial vehicle, and particularly relates to the field of unmanned aerial vehicles, which comprises a disc body,and an atomization mechanism is arranged at the bottom of the disc body; the atomizing mechanism comprises a connecting pipe, a collecting cavity is formed in the disc body, a conveying channel is formed in the bottom of the collecting cavity, the connecting pipe is connected with the conveying channel in a penetrating mode, an atomizing cylinder is arranged at the bottom of the connecting pipe in a penetrating mode, a groove is formed in the inner wall of the atomizing cylinder, and an atomizing output cavity is formed in one side of the groove. The cross section of the groove is in a funnelshape, a discharge port is formed in one side of the atomization output cavity, a first spiral groove is formed in the inner wall of the atomization output cavity, fixing rods are fixedly arranged onthe inner wall of the atom