Grabbing mechanism of industrial robot

The utility model relates to the technical field of industrial robot accessories, in particular to a grabbing mechanism of an industrial robot, which comprises a support frame and a driving component arranged above the support frame, the support frame consists of an upper support disc and a lower support disc which are mutually symmetrical, and a plurality of first arc-shaped holes are formed in the support discs; a limiting sliding groove is formed in the hole wall of the first arc-shaped hole, a chuck is arranged in the first arc-shaped hole, the chuck comprises a sliding rod which is arranged in the first arc-shaped hole and is in sliding connection with the first arc-shaped hole, an upper limiting disc and a lower limiting disc which are symmetrical to each other are fixedly installed on the sliding rod, and the limiting discs are in sliding connection with the limiting sliding groove; clamping convex columns are fixedly installed at the bottom ends of the sliding rods, the driving assembly comprises a dr