The utility model discloses an extruder screw rod feeding device, including hopper, defeated feed cylinder and two defeated material screw rods, defeated feed cylinder inboard is provided with smashes the section, smash the section including smashing disc and fixed disc, defeated material screw rod pass smash the disc and with crushing disc fixed connection, defeated material screw rod passes fixed disc and rotates with fixed disc and be connected, fixed disc is just laminated with crushing disc with defeated feed cylinder is fixed, all set up a plurality of on fixed disc and the crushing disc and smashed the hole, the crushing hole circle heart on the fixed disc is the same to defeated material axis of screw's perpendicular distance with the crushing hole circle heart on the crushing disc, the utility model discloses a shale shaker is with material separation, and thin material directly gets into thin material section, and the coarse fodder tentatively rolls the transport through the coarse fodder section, reach smash the section smash the back rethread carefully the section of expecting roll evenly, messenger's through -put is failed and is expected to be behind the screw rod even thin material, improvement product quality.