Burr polishing device for steel structure machining

The utility model relates to the technical field of steel structure machining, in particular to a burr polishing device for steel structure machining, which comprises a shell, a polishing device and an acid solution pool, a first electric telescopic rod is fixedly connected to the inner side of the left end face of the shell, and a second electric telescopic rod is fixedly connected to the bottom end face of a connecting block. A dust collection groove is formed in the lower position of the center of the shell, a dust collection device is fixedly connected to the bottom end face of the dust collection groove, a motor is fixedly connected to the outer side of the top end face of the acid solution pool, and a transmission rod is fixedly connected to the tail end of a main shaft of the motor. The left end face and the right end face of the transmission block are fixedly connected with stirring blades, harmful gas generated in the polishing process enters the acid solution along the first pipeline and the second