Longitudinal slitting machine for pearl wool

The utility model discloses a pearl wool longitudinal slitting machine, which comprises a main body assembly, a longitudinal slitting machine, a longitudinal slitting machine, a longitudinal slitting machine, a longitudinal slitting machine, a longitudinal slitting machine, a longitudinal slitting machine, a longitudinal slitting machine and a longitudinal slitting machine, and is characterized in that the main body assembly comprises an equipment box, a support frame and two groups of cutting rollers; the tool changing assembly comprises a first square groove formed in an end opening of the left cutting roller, a connecting piece connected to the interior of the first square groove, a splicing roller connected to the connecting piece, and a first square groove formed in the other end of the splicing roller. And the protection assembly is connected to the connecting piece. The cutter replacing assembly and the main body assembly are used in cooperation, the whole cutting roller is divided into two short cutti