Abrasive disc grooving machine

The invention discloses a millstone grooving machine, which is used for carrying out grid grooving on a grinding skin on a millstone, and comprises a transmission mechanism 1 used for transmitting the millstone to a specified position for grooving and then transmitting the millstone to a next process; the millstone jacking mechanism 2 is arranged below the conveying mechanism and used for jacking and fixing the millstone reaching the designated position of the conveying mechanism; the portal frame transferring mechanism 3 is arranged above the conveying mechanism and used for adjusting the relative position of the cutting tool bit assembly; and the cutting tool bit assembly 4 is arranged on the portal frame transferring mechanism and used for cutting the grinding skin on the grinding disc. According to the grinding disc grooving device, the grinding disc can be automatically grooved, the labor input of the technology is effectively reduced, the labor cost is reduced, harm caused by long-time contact with dust