Vertical inner centering soldering device

The utility model which disclosed a vertical interior centered braze welding device relates to the microwave electronic manufacturing techniques, comprised a bracket and a timing device. When in use, the molybdenum rod with an upper connecting rod and an upper retaining member socket jointed on one end and a draught link and a lower retaining member on the other end is fixed straightly on the upper horizontal bracket and the lower horizontal bracket. Workpieces, a top molding plate and a lower terrace are infibulated at the middle of the molybdenum rod. The workpieces are put on the top surface of the top molding plate. Before putting the top molding plate into the high frequency brazing furnace, the top molding plate is revised perpendicular with the molybdenum rod. The utility model is capable of insuring orthogonality of the discreteness in travelling wave tube in sealing import and export. So the throughput efficiency of the travelling wave tube is improved.