Fixing frame of concrete double-end-face grinding machine

The utility model relates to the technical field of grinding machine clamps, and discloses a concrete double-end-face grinding machine fixing frame which comprises a supporting block, a screw rod and a pressing plate, the pressing plate is transversely arranged above the supporting block, the screw rod penetrates through the two sides of the pressing plate, a rectangular middle opening is formed in the middle of the surface of the pressing plate, and the supporting block is arranged in the middle of the pressing plate. First side openings communicated with the middle opening are formed in the middle positions of the two long edges of the middle opening, second side openings are formed in the middle positions of the two edges of the pressing plate, and third side openings communicated with the middle opening are formed in the middle positions of the two short edges of the middle opening. According to the technical scheme, the concrete block is pressed and locked through the pressing plate which is pressed and