Workpiece spraying machining fixing mechanism

The utility model relates to the technical field of workpiece spraying processing devices, and discloses a workpiece spraying processing fixing mechanism which comprises a workbench, a limiting mechanism is arranged in the workbench and used for fixing a workpiece, the limiting mechanism comprises a motor, the left side of the motor is fixedly connected with the right side of the workbench, and the left side of the motor is fixedly connected with the right side of the workbench. A first cavity is formed in the workbench, a sliding groove is formed in the lower end of the first cavity, a two-way lead screw is rotationally connected into the sliding groove, the right side of the two-way lead screw is rotationally connected with the left side of a motor, sliding blocks are arranged on the two sides of the rod wall of the two-way lead screw in a spiral transmission mode, and U-shaped supporting rods are fixedly connected to the upper ends of the sliding blocks. According to the scheme, through the action of the m