Polishing machine for activated aluminum oxide balls

The utility model relates to the technical field of alumina ceramic balls, and discloses a grinding machine for activated alumina balls, which comprises a base, a feeding seat, a mounting frame and a transmission seat, a rotatable grinding mesh cylinder is arranged between the feeding seat and the transmission seat, and a feeding cylinder is arranged on one side of the feeding seat far away from the grinding mesh cylinder. One end of the feeding cylinder penetrates into the grinding mesh cylinder and is communicated with the grinding mesh cylinder, the feeding cylinder is rotationally connected with the grinding mesh cylinder, a lifting feeding mechanism is arranged at the other end of the feeding cylinder, and a crushing device is arranged between the lifting feeding mechanism and the feeding cylinder. Abrasive materials and ball materials are fed through the lifting feeding mechanism, and when the abrasive materials and the ball materials pass through the crushing device, the crushing device can scatter cak