Manufacturing equipment and manufacturing method of disposable underpants

The invention relates to the technical field of disposable underpants production, in particular to disposable underpants manufacturing equipment and a manufacturing method thereof.The disposable underpants manufacturing equipment comprises a rack, one end of the rack is connected with a folding frame, the end, away from the rack, of the folding frame is connected with a high-temperature sterilization box through a conveying frame, and a first conveying belt is arranged in the rack and extends into the folding frame; the first conveying belt is composed of short belts on the two sides and a long belt in the middle, the two short belts extend to the center of the folding frame to form a convex shape with the long belt, a folding assembly is arranged in the folding frame and comprises a first folding piece and two second folding pieces, and the first folding piece and the long belt are arranged in a staggered mode to be used for folding the crotch of the disposable underpants. The two second folding parts are lo