Combined grinding disc for pulping machine

The utility model relates to a combined type grinding disc for a pulping machine, which comprises a bottom plate, a plurality of grinding blades and a plurality of grinding blades, and the fluted disc is in a circular ring shape and is detachably connected with the bottom plate, and grinding teeth are arranged on the fluted disc. The utility model discloses and provides a combined abrasive disc for a pulping machine, which is characterized in that a fluted disc is detachably matched with a bottom plate, so that the tooth width and the material of the working tooth surface of the abrasive disc can be randomly adjusted, the forming effect and the interchangeability are good, the cost performance is excellent, and the repair and maintenance efficiency is high; the integral bottom plate is high in mechanical rigidity, different materials can be reasonably selected according to different slurry types, one-time installation and multiple-time recycling are achieved, and the operation cost of a user can be greatly re