Fixing device for upper nozzle of continuous casting tundish

The utility model discloses a continuous casting tundish upper nozzle fixing device which comprises an upper nozzle, an upper nozzle boss, a D-F type upper guide plate, a pressing block, a D type lower guide plate and a splash plate and is characterized in that the D-F type upper guide plate is arranged on the periphery of the upper nozzle, the pressing block is arranged below the D-F type upper guide plate, and the D type lower guide plate is arranged below the D-F type upper guide plate. The upper nozzle structure has the advantages that after the upper nozzle is tightly connected with the pressing block and the D-F type upper guide plate through a series of structures, the upper nozzle is more stable, the situation of sliding or falling off is avoided, and the upper nozzle structure is more stable. The possibility that high-temperature liquid leaks to hurt people and damage a machine due to the relative sliding or falling phenomenon between the upper nozzle and other parts is greatly reduced, workers are p