Refining mill for camera lens production

The utility model discloses a refiner for producing a camera lens, which comprises a shell, and a fixing mechanism and a grinding mechanism are mounted on one side of the interior of the shell; the fixing mechanism comprises an adjusting bolt, one end of the adjusting bolt is rotationally installed on the inner wall of the shell through a ball bearing, the other end of the adjusting bolt movably penetrates through the shell, reverse threads are formed in the surface of the adjusting bolt, and the surface of the adjusting bolt is in threaded connection with symmetrically-arranged threaded sleeves. The bottoms of the two threaded sleeves are fixedly connected with a first clamping rod and a second clamping rod correspondingly, and the sides, close to each other, of the first clamping rod and the second clamping rod are rotationally connected with rotating shafts through ball bearings correspondingly. According to the utility model, not only can camera lenses of different models be conveniently clamped and fixed