Rollgang for square tubes

The utility model relates to a rollgang for square tubes, characterized in that: the rollgang comprises a plurality of roller frames (1), a tail end of the rollgang is provided with an unloading baffle plate (2.1), an area at a front side of the unloading baffle plate (2.1) is an unloading area (2), the roller frame (1) in front of the unloading area (2) is provided with a fixing block (3) and a baffle plate (6), a cylinder (4) is fixed on the fixing block (3), a connecting rod (5) is arranged at a lower part of the roller frame (1), a middle part of the connecting rod (5) is hinged to the roller frame (1), one end of the connecting rod (5) is hinged to a piston rod of the cylinder (4), and the other end of the connecting rod (5) is hinged to a bottom of the baffle plate (6). According to the rollgang for square tubes of the utility model, a liftable baffle plate is arranged on the roller frame in front of the unloading area, the baffle plate can be lifted up when the unloading is in need, thus the subsequent