Automatic collecting device for ground waste silk of buffer frame and application method of automatic collecting device

The invention relates to an automatic collecting device for ground waste silk of a buffer frame comprises a plurality of horn-shaped collecting openings embedded in the ground below the joint of the buffer frame and an AGV spinning cake, a protection plate is slidably connected to a large opening of each collecting opening, a support is arranged on the outer side of the top of each collecting opening, and an air cylinder for driving the protection plate to open or close the large opening is arranged on each support; the lower end of the collecting opening is communicated with a collector through a hose; the collector comprises a collector body, the upper end of the collector body is connected with a sealing cover, a suction opening is formed in the sealing cover, a breathable storage bag is arranged below the suction opening, a fan is arranged at the bottom in the collector body, and a plurality of air outlets are formed in the side wall of the collector body; a suction sensor is further arranged on the inner