Slitting positioning device

The utility model provides a slitting positioning device which is detachably installed on a feeding port of a circular knife machine and used for adjusting the feeding direction of a material belt and preventing the material belt from deviating, the slitting positioning device comprises a positioning jig and a sliding assembly, the positioning jig comprises a positioning piece and a plurality of limiting strips, the limiting strips are vertically arranged on one side of the positioning piece, and the sliding assembly is arranged on the positioning piece. A guide groove is formed between every two adjacent limiting strips, and a material belt is conveyed to the circular knife machine through the guide grooves (121). The sliding assembly comprises a sliding rail and a sliding block sliding relative to the sliding rail, and the sliding rail is arranged at a feeding port of the circular knife machine in parallel. The positioning piece is arranged on the sliding block so that the positioning piece and the sliding