Heat setting drying box for polypropylene staple fiber production

The utility model discloses a heat setting drying box for polypropylene staple fiber production, which relates to the field of polypropylene staple fiber production and comprises a box body, a sealing movable door and a heat dissipation storage box. And the guide assembly comprises a fixed connecting block, a first rotating roller, a second rotating roller, a clamping connecting block, a lifting plate, a fixed plate, a motor, a heat dissipation protective cover and a threaded rod. According to the heat-setting drying box for producing the polypropylene staple fibers, by arranging the guide assembly and the anti-skid conveying assembly, when the heat-setting drying box is adopted for treating the polypropylene staple fibers, the polypropylene staple fibers are directionally guided, so that the polypropylene staple fibers smoothly enter the heat-setting drying box; according to the heat setting drying box, the polypropylene fiber short fibers are conveyed, the polypropylene fiber short fibers are prevented from