Automatic board feeding machine for PCB (printed circuit board) processing

The utility model discloses an automatic board feeding machine for PCB (printed circuit board) processing, and relates to the technical field of PCB processing, in particular to an automatic board feeding machine for PCB processing, which comprises racks, a conveyor belt connected between the racks, a support column fixed at the top of the racks, and a blanking substrate fixed at the top end of the support column, a vertical through groove is formed in the discharging base plate, a plurality of conveying columns are movably connected to the discharging base plate in a sleeving mode, a conveying plate is fixed to the outer sides of the conveying columns, the conveying plate is in a threaded shape, and PCBs are stacked in the through groove. According to the automatic board feeding machine for PCB processing, under the action of simultaneous rotation of the conveying columns, the conveying boards can rotate together, and under the action of simultaneous rotation of the conveying boards, the PCBs can be vertical