Feeding mechanism for screening machine and screening machine

The utility model discloses a feeding mechanism for a screening machine, which comprises a feeding channel, a discharging channel, a conveying mechanism, a driving mechanism and a driving mechanism, wherein the conveying mechanism is arranged at a feeding hole of the feeding channel; a first extrusion roller and a second extrusion roller are arranged in the feeding channel side by side, and rollershafts on the two sides of the two extrusion rollers are in sliding connection with the feeding channel. Correspondingly, the utility model further provides a screening machine. The utility model hasthe beneficial effects that the feeding mechanism is arranged, and the two extrusion rollers of the feeding mechanism are used for crushing fed materials and then screening, so that the situation that the equipment is blocked due to overlarge feeding volume is effectively avoided, the processing efficiency of the equipment is improved, and the use requirements of users are met; in addition, according to actual needs, the