Plastic extruder with heat recycling function

The utility model discloses a plastic extruder with a heat recycling function, which comprises a plastic extruder body, the plastic extruder body is stably erected on the ground of a plant, the right side wall of the plastic extruder body is fixedly connected with a feed pipe, and the left side wall of the plastic extruder body is fixedly connected with an extrusion pipe. According to the plastic extruder with the heat recycling function, the heat collecting barrel is arranged, a plastic part which is just extruded is surrounded, heat is prevented from being dissipated all around, the air pump and the ventilation pipe are arranged, hot air in the heat collecting barrel can be extracted and injected into the preheating bin, and the heat recycling function is achieved. According to the plastic extruder, raw materials in the feeding hopper are preheated by utilizing heat collected from the heat collecting barrel, the plastic extruder has a heat recycling function, a plastic part which is just extruded is often a