Fixing device for shadow removal processing of rear cover of display

The utility model discloses a fixing device for removing light and shadow of a rear cover of a display, which comprises a base and a fixing device arranged on the base, two parallel translation sliding chutes are arranged on the top surface of the base, the fixing device comprises two supporting rod columns, translation sliding blocks which are arranged in the translation sliding chutes in a sliding manner are fixed at the bottom ends of the supporting rod columns, and the translation sliding blocks are arranged in the translation sliding chutes in a sliding manner. The top of the supporting rod column is rotatably connected with a semicircular rotating seat through a pin shaft, a lifting hydraulic cylinder is fixed to the middle of the top face of the semicircular rotating seat, a loading platform is fixed to a piston shaft of the lifting hydraulic cylinder, a clamping vertical rod is fixed to the side face of the semicircular rotating seat, and a clamping pressing plate is fixed to the top end of the clampi