Cleaning device for optical element

The utility model discloses a cleaning device for an optical element. The cleaning device comprises a base, a guide groove seat, a guide groove, a mounting seat, a screw rod, an end cover, a motor I, a lower rotating seat, a lower groove, lower bristles, a motor III, a liquid discharge hole, a collecting groove, a liquid discharge pipe and the like, the optical glass cleaning device is reasonable and simple in structure, low in production cost, convenient to install and complete in function, the second motor and the third motor are started to drive the upper rotating base and the lower rotating base to rotate together in the opposite rotating directions, and therefore it is guaranteed that the upper face and the lower face of optical glass can be cleaned, and the cleaning efficiency is improved; according to the optical glass cleaning device, the input connecting pipe is arranged, cleaning liquid can be conveyed into the inner cavity through the inner groove, the side holes and the communicating holes, then t