Fixture, robotic fixture including the same, and a method for clamping a turnover box

A fixture comprising:

• a corner fixture assembly configured to support a turnover box at a top corner of the turnover box, the corner fixture assembly comprising a corner positioning block and a support, the corner positioning block abutting an upper surface of the top corner of the turnover box and an inner surface of a wall of the turnover box when the corner fixture assembly supports the turnover box;
• a drive mechanism comprising a first drive rail and a second drive rail on a plane, the first drive rail extending from the corner fixture assembly in a first direction, the second drive rail extending from the corner fixture assembly in a second direction different from the first direction;
• a first side fixture assembly movable along the first drive rail and a second side fixture assembly movable along the second drive rail, the first side fixture assembly and the second side fixture assembly being configured to support the turnover box at the walls of the turnover box adjacent to the top corner and each comprising a side positioning block and a support, the side positioning blocks abutting an upper surface of the wall of the turnover box and an inner surface of the wall when the corresponding one of the first side fixture assembly and the second side fixture assembly supports the turnover box.