Argon system pipe network pressure frequency converter structure

The utility model relates to the technical field of argon system pipe network frequency conversion, in particular to an argon system pipe network pressure frequency converter structure. According to the technical scheme, the pressure frequency converter comprises a base, a fixing block and a pressure frequency converter body, wherein the pressure frequency converter body is mounted in the base; a fixing frame is welded to the inner wall of the pressure frequency converter body, a limiting block is installed on the fixing frame, and a through hole is formed in the limiting block. An air outlet pipe is fixedly embedded into one end of the pressure frequency converter body, an air inlet pipe is fixedly embedded into one end, deviating from the air outlet pipe, of the pressure frequency converter body, and sliding groove plates are welded to the inner walls of the air outlet pipe and the air inlet pipe; fixing blocks are welded to the two ends of the outer surface of the pressure frequency converter body, and par