Pressure adjusting structure of surface grinding machine

The utility model discloses a pressure adjusting structure of a surface grinding machine, which belongs to the technical field of grinding machine adjustment and comprises a bottom plate, a worktable is mounted at the top of the bottom plate, a fixing component is arranged at the top of the worktable, a control rod is embedded in the worktable, and a positioning component is arranged on the surface of the control rod. The two sliding blocks can drive the clamping blocks to oppositely move to clamp and fix the workpiece by rotating the screw rod, so that the workpiece can be firmly placed, and the grinding effect is better; by arranging the positioning assembly, the clamping block and the positioning groove in a clamping and limiting mode, the control rod can be limited and only can rotate in a limiting mode, so that the position of the camera can be positioned, shooting is more stable, the position of the polishing mechanism can be conveniently observed, the adjusting precision is higher, the pressure control