Slitting slitting device

The utility model relates to the technical field of longitudinal shearing devices, and discloses a longitudinal shearing slitting device which comprises a machine table, a longitudinal shearing mechanism is arranged above the machine table, a distance adjusting mechanism is arranged above the machine table, the longitudinal shearing mechanism comprises two longitudinal shear rollers, a first gear is fixedly installed on the outer surface of each longitudinal shear roller, and a second gear is fixedly installed on the outer surface of each longitudinal shear roller. The outer surfaces of the two first gears are jointly meshed with a first toothed belt, the distance adjusting mechanism comprises two racks, two servo motors are fixedly installed on the upper surface of each rack, a lead screw is fixedly installed on an output shaft of each servo motor, a sliding block is in threaded connection with the outer surface of each lead screw, two sets of fixing blocks are arranged above the machine table, and the two s