Manual carton stapler with angle convenient to adjust

The utility model discloses a manual nailing machine convenient for angle adjustment, which belongs to the technical field of manual nailing machines, and comprises a base, a bottom supporting plate mounted at the top of the base and a machine head mounted at the top of the base, a second gear is rotatably mounted on one side of the top of the base, a vertical rod is mounted at the top of the second gear, and the vertical rod is movably mounted on the base. A first supporting rod is installed on one side of the vertical rod, a second connecting plate is installed at the end, away from the vertical rod, of the first supporting rod, a second motor is installed at the bottom of the second connecting plate, a third connecting plate is installed on one side face of the bottom supporting plate, and a third motor is installed on the third connecting plate. And an output shaft of the third motor is connected with a threaded rod. When the manual carton stapler convenient to adjust the angle is used, the angle is contr