Surface grinding machine

The utility model discloses a surface grinding machine which comprises a bottom plate, a workpiece adjusting structure is arranged at the top of the bottom plate, a tool clamp mechanism is arranged at the top of the workpiece adjusting structure, a fixing rod is installed at the position, located on the rear side of the workpiece adjusting structure, of the top of the bottom plate in a welded mode, and first threaded rods are rotatably installed at the top and the bottom of the inner side of the fixing rod. A first motor is welded to the fixing rod, and the output end of the first motor transversely penetrates through the fixing rod through a coupler and is connected with the first threaded rod in a welded mode. According to the surface grinding machine, the workpiece adjusting mechanism is arranged to be matched with the tool clamp mechanism, so that when position deviation of the device needs to be conducted, direct change can be conducted, the situation that manual adjustment is needed is avoided, the work