Feeding mechanism of extruder

The utility model discloses a feeding mechanism of an extruder, which comprises an extrusion device and a mixing tank, a discharge port of the mixing tank is connected with a feed port of the extrusion device, a feed hopper is arranged at the top of the mixing tank, a feed pipe is arranged on the side surface of the mixing tank, a stirring chamber is arranged in the mixing tank, a stirring shaft is arranged in the stirring chamber, and a feed port of the mixing tank is connected with a discharge port of the extrusion device. A stirring motor is connected to the top of the stirring shaft, stirring blades are arranged on the stirring shaft, a material distribution plate is further arranged on the stirring shaft, a plurality of material distribution holes are evenly distributed in the material distribution plate, the material distribution plate is arranged above the stirring blades, and the material distribution plate is rotationally installed in the stirring chamber; a discharging port of the feeding pipe is fo