Medium-and-large-caliber lens frictioning equipment

The utility model discloses a medium-large aperture lens frictioning device, relates to the technical field of lens frictioning, and particularly relates to a medium-large aperture lens frictioning device which comprises a base, and a centering mechanism and a frictioning mechanism which are arranged on the surface of the base, the second grooves are symmetrically formed relative to the center of the base, the second threaded rods are located in the second grooves, the second transmission blocks are in threaded connection with the second threaded rods, the spring boxes are installed at the tops of the second transmission blocks, a clamping mechanism is arranged at the top of the abutting sliding block, and a film wiping rolling piece is arranged in the clamping mechanism. According to the middle-large-diameter lens frictioning equipment, the centering mechanism and the frictioning mechanism are adopted, the position of a frictioning roll piece can be adjusted during use, the use range of the equipment is wide