Slitting and scribing device

The utility model discloses a slitting lineation device, and belongs to the field of slitting machine auxiliary equipment. The slitting and scribing device comprises clamping rings, a linear pen holder and a photosensitive pen, the clamping rings are arranged at the two ends of the linear pen holder and provided with clamping parts, the clamping parts are used for being clamped to a shaft head of a wind-up roller, and the linear pen holder is used for being attached to the surface of the wind-up roller and providing a standard reference plane for scribing a straight line. The photosensitive pen is used for scribing on the surface of the wind-up roller along a linear standard reference plane provided by the linear pen holder. Aiming at the conditions that photosensitive adhesive tape needs to be frequently used and operation is troublesome during diaphragm slitting at present, when the diaphragm slitting device is used, a photosensitive pen is directly used for abutting against the linear pen holder, a straigh