The utility model relates to printing and binding equipment technical field especially is a kind of slitting cutter for tear line slitting, including
tool holder and knife bar, the knife bar includes connecting frame and
cutting part, connecting groove is set up on the connecting frame, the
cutting part is inserted in the connecting groove, the
tool holder is set up with the knife bar cooperation slot, the slot is inserted with the spacer that is matched with the knife bar, a plurality of
cutting teeth are spaced apart on the cutting part, cooperate with the spacer and the knife bar, carry out slitting to
label by knife bar, and the two sides of
label are in spacer covering area, not be slitting, so as to realize the output
label when being subjected to tension, label will not break because of edge has break, when slitting to different specifications label, different specifications knife bar or cutting part can be replaced to satisfy the demand of slitting tear line, improve the application range of slitting cutter.