Sample preparation clamp convenient for drilling aluminum wire section

A sample preparation clamp facilitating drilling of aluminum wire segments comprises a bracket, a base, a protection plate and an automatic conveying device, the bracket is arranged below a clamp jaw, and the base is arranged below the bracket; the two protection plates are symmetrically arranged above the outer sides of jaws on the two sides of the clamp pliers; the automatic conveying device is arranged on one side of the clamp pincers and comprises a driving wheel, a driven wheel and a base, the base is arranged on the surface of an operation table on the feeding side of the clamp pincers, the driving wheel is arranged on the side, close to the clamp pincers, of the upper surface of the base, the driven wheel is arranged on the other side of the upper surface of the base, and the top of the driving wheel and the top of the driven wheel are located on the same horizontal plane. The aluminum wire segment drilling test bench has the advantages that the test work intensity is reduced, the test workload is redu