Efficient descaling device for cold-rolled ribbed steel bars

The efficient descaling device comprises a shell, supporting legs are connected to the four corners of the bottom of the shell, a descaling chamber is arranged in the shell, a feeding port and a discharging port which communicate with the descaling chamber are formed in the left end and the right end of the shell correspondingly, and a feeding mechanism matched with the feeding port is arranged at the end, close to the feeding port, of the side wall of the shell; a plurality of first rods are connected to the inner top of the descaling chamber, limiting rings are connected to the bottoms of the first rods, a second rod is arranged on the side, close to the feeding port, of the inner top of the descaling chamber, an air ring is connected to the bottom end of the second rod, and a plurality of air outlet heads are evenly connected to the inner side wall of the air ring; and the output end of the fan is connected with the air ring through a flexible air pipe. Compared with the prior art, the efficient descaling