Blow tank

The utility model relates to a blow tank that can adapt to different specification pipes or hollow billet, the on -line screen storage device comprises a base, the support, slide wedge adjusting device and spout, the fixed top that sets up at the base of support, the slide wedge adjusting device that tells includes slide wedge and lower slide wedge, slide wedge slidable ground sets up on the support down, go up the setting of slide wedge slidable ground under on the slide wedge, the spout includes base and the fixed backup pad that sets up on the base, the base is fixed to be set up on last slide wedge, the surface of upper surface for being the V -arrangement of backup pad, and the lower at the upper surface of backup pad is equipped with the dog, be equipped with the backing plate on the upper surface of backup pad, the figure of backing plate is two, and two backing plate difference detachably set up the left and right sides in the backup pad, the side of backup pad and the contact of the side of baffle, it is equipped with the mount pad still to fix on the support, be equipped with the lead screw on the mount pad, the lead screw passes through the screw thread and is connected with the mount pad, the one end fixed connection who has a great cross section of the one end of lead screw and slide wedge down.