Beam shading device capable of accurately positioning and stage light having the same

A beam shading device capable of accurately positioning a plurality of shading blades, comprising:

• a substrate, the substrate being provided with a first light-passing hole through which beams pass;
• a plurality of shading blades mounted on the substrate, the plurality of shading blades being arranged around a periphery of the first light-passing hole;
• and
• driving mechanisms for driving the plurality of shading blades to move, the driving mechanisms driving the shading blades to move back and forth to block and open the first light-passing hole,
• wherein each of the shading blades is configured with at least two driving mechanisms, each of the driving mechanisms comprises a driving gear and a driving plate, the driving plate is hinged with the shading blade, and the driving plate is provided with a rack that is configured to mesh with the respective driving gear, and
• wherein when the at least two driving mechanisms maintain a consistent motion state, the respective shading blade is driven to perform a translation movement, and when the at least two driving mechanisms are in different motion states, the respective shading blade is driven to perform a swing movement.