Movable surface flat grinding machine

The utility model discloses a movable surface flat grinding machine which comprises a working table, moving grooves are formed in the two sides of the working table, moving flat grinding mechanisms are arranged in the moving grooves, each moving flat grinding mechanism comprises a moving frame, sliding blocks, sliding wheels, a clamping assembly and a grinding assembly, the two sliding blocks are connected with inner cavities of the two sliding grooves in a sliding and penetrating mode respectively, and the sliding wheels are connected with the two sliding grooves in a sliding and penetrating mode. The two ends of the movable frame are fixedly connected with the two sliding blocks correspondingly, and grooves are formed in the bottom ends of the sliding blocks. By means of the arrangement mode that the movable frame, the sliding blocks, the sliding wheels, the clamping assembly and the grinding assembly are matched, the movable frame is fixed to different positions through the clamping assembly, the grinding