Clamping anti-falling structure for circuit board surface mounting

The utility model relates to the technical field of circuit board processing clamp devices, in particular to a clamping and anti-falling structure for circuit board surface mounting, which comprises a rotating cylinder, a double-shaft cylinder is mounted on the front surface of the rotating cylinder, a right side clamping and fixing assembly is mounted at the right side end part of the double-shaft cylinder, and the right side clamping and fixing assembly comprises a side surface mounting plate; spring telescopic rods are symmetrically mounted on the left side face of the side face mounting plate front and back, a protective cover is mounted on the outer wall of the left side of the side face mounting plate and located on the outer sides of the spring telescopic rods, a clamping base is mounted at the end of each spring telescopic rod, and symmetrically-distributed bottom clamping strips are mounted on the base face of each clamping base. A rotary connecting seat is mounted in the middle of the upper side of