Ball grinding mechanism for ball grinding machine

The utility model relates to the field of machine manufacturing automation, in particular to a ball grinding mechanism for a ball grinding machine. Drive motor, the driving motor is connected with thegrinding ball assembly through a belt; the grinding ball assembly comprises a gear connected with the belt; the gear is fixed on the driving shaft; the driving shaft is fixed on the deck plate through a fixing plate; a square connecting hole is further formed in front of the driving shaft, the grinding ball assembly further comprises a rotating shaft, a grinding head is arranged at one end of therotating shaft, a square connecting rod is fixed to the other end of the rotating shaft, the connecting rod is movably connected with the connecting hole, a connecting block is fixed to the peripheral side of the rotating shaft, and the connecting block is placed in the middle of the U-shaped sliding plate. Before the ball is ground, the sliding mechanism drives the grinding head to move towardsthe ball blank, and after t