Foam stabilizing device for packaging film blow molding unit

The utility model relates to the technical field of blow molding machines, in particular to a foam stabilizing device for a packaging film blow molding unit, which comprises a cage-shaped support, a plurality of radial guide rods with foam stabilizing guide rollers are uniformly distributed on the periphery of the cage-shaped support, and the foam stabilizing guide rollers are all arranged at one ends, in the cage-shaped support, of the radial guide rods. Transmission transition mechanisms for driving the other ends of the radial guide rods are arranged on the cage-shaped support, the driving mechanism is used for driving the multiple transmission transition mechanisms to rotate synchronously, each transmission transition mechanism comprises a radial sliding rail, one end of each radial sliding rail is fixedly installed on the cage-shaped support, and a threaded rod is rotationally connected to the radial sliding rail; the transmission transition mechanism is arranged, the driving mechanism is separated from