Combine harvester for harvesting and extracting pineapple leaf fibers

The invention provides a combine harvester for harvesting and extracting pineapple leaf fibers, and relates to the technical field of pineapple leaf harvesting. The harvesting mechanism comprises a plurality of stand columns which are transversely arranged side by side, cutting knives and raking teeth are arranged on the peripheral sides of the bottoms of the stand columns, the reel is arranged on the supporting frame and located behind the stand columns, the separating rollers comprise two separating rollers which are symmetrically arranged up and down, the middle conveying connector of the two separating rollers is located behind the conveying belt, and scraping teeth are arranged on the separating rollers; the scraping teeth are in a spiral shape in the rotating direction, the separating barrel is arranged below the separating roller, a screen is arranged below the separating barrel, a fiber outlet is formed in the rear side of the separating barrel, the leaf residue bag frame is arranged below the screen,