Profiled bar extrusion production line

The utility model discloses a profiled bar extrusion production line which comprises an extruder, a cooling and setting machine, a belt dragger, a saw blade cutting machine and a material receiving frame, wherein the extruder comprises a hopper, an extrusion screw, a heater, an extrusion mold and a cooling fan; the cooling and setting machine comprises a setting mold, a vacuum pump and a water tank; the belt dragger comprises an upper transmission belt, a lower transmission belt and a transmission mechanism, and a space for enabling plastics to pass through is reserved between the upper transmission belt and the lower transmission belt; the transmission mechanism is connected with the upper transmission belt and the lower transmission belt, and the transmission mechanism is driven by a motor to drive the upper transmission belt and the lower transmission belt to backwards drag plastics output from the cooling and setting machine; the saw blade cutting machine comprises a cutting saw blade, a towing platform and a positioning cylinder; the material receiving frame comprises a guide groove and a material receiving plate. The profiled bar extrusion production line is simple in integral structure, can well ensure the quality of plastic products, and can reduce cost for enterprises through automatic production.