Glass position correcting device

The utility model provides a glass position correcting device which comprises a rotating flange device, two connecting rod assemblies and a driving unit, the rotating flange device comprises a rotating shaft, a blocking assembly and two bearing seats, the two ends of the rotating shaft are fixed to the bearing seats on the two sides, and the rotating shaft can freely rotate; a hinge point a at the joint of the two ends of the rotating shaft and the first connecting rod, a hinge point b at the joint of the first connecting rod and the second connecting rod, a hinge point c of the second connecting rod and the support and a hinge point d between the air cylinder and the first connecting rod and between the air cylinder and the second connecting rod can all automatically rotate. The connection point a, the connection point b and the connection point c are collinear. The support bears impact instead of a driving element, it is guaranteed that the driving element can operate stably, and the service life is longer.