Ton barrel blow molding device with inner support

The utility model discloses a ton barrel blow molding device with an inner support, which comprises a device body, the device body comprises a feeding pipe, a fixing belt of the feeding pipe is connected with a fixing frame, the upper end of the feeding pipe is vertically sleeved with a sleeve cover in a sliding manner, and the sleeve cover is fixedly connected with an air blowing pipe; the two blowing molds are closed to extrude the feeding pipe and the tubular plastic parison, the lower end of the tubular plastic parison is extruded and internally supported and sealed, the electric push rod is controlled to shrink, the sleeve cover is pulled down to sleeve the outer wall of the feeding pipe, and the upper end of the feeding pipe is sealed, so that the blowing pipe moves downwards to be inserted into the tubular plastic parison; the air blowing pipe is ventilated and blown into the tubular plastic parison to expand to form the ton barrel, and the electric push rod is controlled to work to extend and push the