Side feeding barrel of double-screw extruder

The utility model discloses a double-screw extruder side feeding cylinder, which comprises a feeding cylinder, a vibration blanking assembly and a material screening assembly, and further comprises a lower belt pulley, the vibration blanking assembly is arranged in the middle of the feeding cylinder, the bottom discharge end of the feeding cylinder is conical, the material screening assembly is arranged in the feeding cylinder, and the lower belt pulley is arranged in the feeding cylinder. The screening assembly is located at the bottom of the vibration discharging assembly. A set of side feeding cylinder is provided for the twin-screw extruder for extrusion processing of the color master batch, vibration blanking can be performed during feeding, meanwhile, auxiliary screening can be performed on the particle size of the fed color master batch, and the color master batch with large particle size can be screened out, so that the particle size of the color master batch fed to the twin-screw extruder is ensured,