Working arm for industrial robot

The working arm for the industrial robot comprises a supporting base, the left end and the right end of the supporting base are each provided with two movable wheels, the left portion and the right portion of the upper end of the supporting base are each provided with an adjusting device, and a movable base is installed in the middle of the upper end of the supporting base; a mechanical arm device is installed in the middle of the upper end of the movable base, and a clamping device is installed on the front portion of the lower end of the mechanical arm device. According to the working arm used for the industrial robot, the clamping distance can be adjusted through the two clamping arms on the clamping device according to the size of a machined workpiece, so that the applicability of the device is improved, anti-skid pads are installed at the corresponding ends of the two clamping heads when the device is used for clamping, and the clamping distance is adjusted. The clamping stability of the device is improv