Header weeding device of double-drum seeding machine

The utility model discloses a header weeding device of a double-drum seeding-watermelon machine, which comprises a rack, a grass mowing mechanism, a ground rolling wheel, a drum, a watermelon fork pricking needle, a watermelon picking fork, an output mechanism, a grass hanging shaft, a grass picking fork, a grass shifting shaft and a grass conveying mechanism, the grass hanging shaft is positioned above the upper end of the watermelon picking fork, a plurality of rows of tooth nails are uniformly arranged on the surface of the grass hanging shaft, and the tooth nails are arranged on the rack. The lower end of the grass picking fork is fixedly connected to the upper end of the machine frame, the upper end of the grass picking fork extends into gaps of tooth nails in the grass hanging shaft, the grass poking shaft is arranged at the top end of the machine frame, the surface of the grass poking shaft is composed of a plurality of evenly-arranged rubber plates, and the grass conveying mechanism is arranged on the