Clamp for machining aluminum mechanical parts

The utility model relates to the technical field of machining of aluminum mechanical parts, and provides a clamp for machining of aluminum mechanical parts, which comprises a lifting plate, a clamp base and a clamping plate, lifting structures are arranged on two sides of the top end of the clamp base, the lifting plate is mounted at the top end of the clamp base, and a clamp tabletop is mounted at the top end of the lifting plate. Driving air cylinders are installed on the two sides of the top end of the clamp table top correspondingly, clamping plates are arranged on one sides of the driving air cylinders correspondingly, dismounting and mounting structures are arranged between the clamping plates and the driving air cylinders correspondingly, main clamping heads are installed on one sides of the clamping plates correspondingly, adjusting structures are arranged at the top end and the bottom end of one side of each clamping plate correspondingly, and each adjusting structure comprises a secondary clamping h