Quantitative auxiliary material conveying device for extruder

The utility model discloses a quantitative auxiliary material conveying device for an extruder, which comprises a hopper, a feeding cylinder and a conveying screw rod, wherein a valve plate is arranged at a blanking port of the hopper; a feeding hole of the feeding cylinder is communicated with a blanking hole of the hopper, and a discharging hole of the feeding cylinder is connected with a feeding hole of the extruder; the conveying screw rod is arranged in the feeding cylinder, auxiliary materials are added into the hopper, the auxiliary materials quantitatively fall into the feeding cylinder through the valve plate, and the auxiliary materials are conveyed into the extruder through the conveying screw rod, so that the auxiliary materials are automatically and quantitatively conveyed, and the production efficiency is improved. 本实用新型公开了一种用于挤出机的定量输送辅料装置，包括料斗、送料筒、输送螺杆，料斗的落料口处装有阀板；送料筒的进料口与料斗的落料口连通，送料筒的出料口与挤出机的进料口相连；输送螺杆装于送料筒内，向料斗内加入辅料，通过阀板使辅料定量落入送料筒内，并通过输送螺杆将辅料送入挤出机内，实现自动定量输送辅料，使生产效率得到提高。