Automatic paper feeding mechanism and automatic PCB stacking and paper separating equipment

The invention discloses an automatic paper feeding mechanism and automatic PCB stacking and paper separating equipment. The automatic paper feeding mechanism comprises a conveying platform, a paper supplying device, a paper slitting device, a paper cutting device, a paper suction platform and a paper feeding device which are arranged on a rack, and the conveying platform is located between the paper supplying device and the paper feeding device; the paper slitting device and the paper cutting device are arranged above the conveying platform; the paper slitting device is used for slitting paper into a plurality of pieces of strip-shaped paper; the paper cutting device is used for cutting the strip-shaped paper off into a plurality of independent paper sheets; and the paper feeding device comprises a plurality of sets of suction cup assemblies used for sucking the multiple pieces of paper correspondingly, a paper separation assembly for driving the multiple sets of suction cup assemblies to be separated from on