The invention discloses an industrial robot clamping part. The industrial robot clamping part comprises a clamping beam, a fixing claw, moving claws, floating blocks, antiskid blocks, linking rods, springs, limiting blocks, through holes, slide blocks, threaded holes, smooth holes, a slide groove, an automatic locking motor, screw, a rolling shaft, a bearing, a slide rod, a connecting rod, a universal shaft, a mechanical arm, a connecting line and a protecting cover. Multiple uniformly distributed floating blocks are arranged on the fixing claw and the moving claws and provide elastic force through the springs, when irregular objects are clamped, the floating blocks can be automatically adjusted according to the surface change of the irregular objects to adapt to irregular surfaces, the slide block is provided with the threaded hole and the smooth hole, the threaded holes and the smooth holes are connected with the screw and the slide rod respectively, the moving claws are prevented from wobbling, the screws are connected with the automatic locking motor, after clamping, the automatic locking motor can be automatically locked, the moving claws are limited, the connecting rod is provided with the universal shaft, the clamp can freely rotate in the certain direction, and clamping can be conducted by many angles.