Top inflation slip casting stock

The utility model relates to a top inflation slip casting stock belongs to the stock field. The utility model discloses a stock head, the stock body of rod, stock screw section, tray, injected hole, nut, inflation add the solid, stock body of rod one end is the stock head, and the other end is stock screw thread section, and the stock body of rod is the hollow circular cylinder, and inside is equipped with grouting channel, and surperficial interval is equipped with the through -hole. Stock top of the head end is equipped with round platform shape fastener, leads to stock screw section and passes the stock tray and pass through threaded connection with the nut, and the inflation adds the solid and be hollow structure, and interior plan and control is lighter than the stock head, and when the extrusion inflation of stock head added the solid, cylindrical fastener grasping inflation leading to the fact the inflation to add the solid radially to open when adding the solid draw -in groove, the contact frictional