Recycled bottle mouth cleaning machine

The utility model discloses a recycled bottle mouth cleaning machine. Support pipes are vertically arranged on the side walls of a water tank, ends of the two support pipes are connected with two ends of a vent pipe through rubber telescopic pipes, motors are fixedly mounted at the lower ends of the support pipes, gears are mounted on rotary shafts of the motors, racks in meshing transmission with the gears are vertically arranged at ends of the vent pipe and are driven to lift the vent pipe by the motors. A water pipe is arranged in the vent pipe, two ends of the water pipe extend out from the support pipes by respectively penetrating the rubber telescopic pipes at two ends of the vent pipe, cleaning branch water pipes are mounted in branch water pipe casings, and brushes are rotationally mounted at ends of the branch water pipe casings. The recycled bottle mouth cleaning machine can quickly and thoroughly clean recycled bottle mouths and is energy saving and environment friendly, using of circulating water and collection of waste water can save resources to the great extent.