Automatic industrial mechanical arm

The utility model discloses an automatic industrial mechanical arm, which solves the problems that an industrial mechanical arm cannot rotate and a supporting device is easy to completely deform, and comprises a base and a mechanical arm, a linear motor is fixedly mounted in the base, a U-shaped seat is fixedly mounted at the moving end of the linear motor, and a supporting device is fixedly mounted at the moving end of the U-shaped seat. Moving grooves are symmetrically formed in the side wall of the upper end of the base, the upper ends of the U-shaped seats penetrate through the outer portions of the moving grooves and are slidably connected with the side walls of the moving grooves, a supporting seat is installed at the upper end of the base, the two ends of the supporting seat are fixedly connected with the upper ends of the U-shaped seats through bolts, and a rotating seat is rotatably connected into the supporting seat; when the industrial mechanical arm is used, through the arrangement between the gea