Automatic PCB feeding device and automatic PCB feeding recognition and classification equipment

The utility model discloses an automatic board feeding device and automatic board feeding identification and classification equipment for PCBs. The automatic board feeding identification and classification equipment comprises an automatic board feeding device, a material transfer device and a material number periodic identification visual system, the automatic plate feeding device comprises a feeding mechanism and a lifting plate mechanism. The feeding mechanism comprises a rolling shaft, a plurality of guide belt structures arranged at intervals in the conveying direction of the feeding assembly line, guide wheels arranged on the guide belt structures in a sleeving mode, a conveying belt arranged on the rolling shaft, and a driving piece used for driving the rolling shaft to rotate so asto convey PCBs flowing out of the feeding assembly line to the interior of the rack. The lifting plate mechanism comprises a lifting plate which does vertical lifting motion under the action of a driving device, and a plurali