Jig for polishing glass cover plate

The utility model discloses a glass cover plate polishing jig which comprises a base and a ring sleeve, a boss is arranged in the middle of the base and can be used for bearing a concave face of 3D glass, ring sleeve installation grooves are formed in the two ends of the boss, the ring sleeve is arranged in the ring sleeve installation grooves, the shape of the ring sleeve is the same as that of the convex face of the 3D glass, and the ring sleeve is arranged in the ring sleeve installation grooves. The ring sleeves at the two ends can fix the 3D glass in the middle, the ring sleeves are changed to be arranged at the two ends, the shape of the ring sleeves at the two ends is the same as that of the convex face of the 3D glass, the ring sleeves are used for preventing the polishing brush from polishing the 3D glass, the gap between the ring sleeves and the rabbet position of the 3D glass is smaller than a preset value so as to prevent the polishing brush from passing through, and in a certain period, only the