Metallographic anode film coating clamp

The utility model provides a metallographic anode film coating clamp, and relates to the technical field of metallographic anode film coating auxiliary equipment, the metallographic anode film coating clamp comprises a supporting structure, a wire lead, and a mounting and clamping assembly, one end of the supporting structure is connected with a mounting plate, and the supporting structure is used for abutting against an external beaker; the clamping assembly is connected with the mounting plate, and the clamping assembly is used for clamping a metallographic specimen and soaking the metallographic specimen in the fluoboric acid solution in the beaker; one end of the wire lead is connected with the supporting structure, and the other end of the wire lead is used for being connected with an external control point power source. According to the utility model, the technical problem in the prior art that the sample is damaged due to current rise caused by contact between tweezers and a solution when the aluminum