Using a microcomputer numerical control display device, the cutting length/quantity/loading speed can be freely set, and an adjustable roller loading mechanism is installed. Both sides automatically adjust the pressure and lift, which can quickly discharge, with thimble-type feeding mechanism, it can effectively prevent material scratches, with high precision, less loss, automatic shutdown when material is lacking, and unattended. The model design conforms to ergonomic principles, and the operation is simple and automatic.