Low-precipitation PBT (polybutylene terephthalate) resin extrusion device

The utility model discloses a low-precipitation PBT (polybutylene terephthalate) resin extrusion device, which relates to the technical field of resin extrusion equipment and comprises a machine barrel, an extrusion screw is arranged in the machine barrel, a die head is arranged at one end of the machine barrel, and a cooling mechanism for reducing the temperature of the die head is arranged on the inner side of the die head. The cooling mechanism comprises heat absorption pipes arranged on the inner side of the die head, a first gathering pipe is arranged at one end of each heat absorption pipe, a second gathering pipe is arranged at the other end of each heat absorption pipe, and the first gathering pipes are connected with a cooling water circulation mechanism through first guide pipes. The utility model has the beneficial effects that the heat absorption pipe can absorb the heat of the die head, so that the resin can be extruded along the die head after being molded, the temperature is absorbed and the he