Isobaric filling machine

The utility model relates to the field of liquid filling, in particular to an isobaric filling machine which comprises a machine frame, a filling device is arranged on the upper portion of the machineframe, an operation table used for containing a heat conduction container to be filled is arranged in the middle of the machine frame, an exhaust pipe is arranged on the lower portion of the machineframe, and the filling device comprises a cross beam. A filling valve is arranged at the end, facing the operation table, of the connecting rod, baffles are arranged on the two sides of the operationtable, sliding grooves are formed in the inner walls of the baffles, a fixing device used for containing a container to be filled is arranged on the operation table, the fixing device comprises a frame, sliding blocks matched with the sliding grooves are arranged on the outer wall of the frame, and two mutually symmetrical clamping plates are arranged in the frame. Wherein toothed bars are arranged at two ends of the clampi