Straightening device for aluminum alloy profile machining

The utility model provides a straightening device for aluminum alloy section processing, which belongs to the technical field of aluminum alloy section processing and comprises a supporting table, a cover plate is arranged at the position of a groove on the upper side of the supporting table, two positioning components are symmetrically arranged on the cover plate, and a rolling type straightening mechanism is arranged between the two positioning components. The rolling type straightening mechanism comprises a moving seat, a positive and negative double-thread lead screw is rotationally connected into the moving seat, first nut seats are arranged in two thread intervals, opposite in direction, on the positive and negative double-thread lead screw, and a rotating shaft and a curved surface pressing roller on the rotating shaft are arranged on the upper side of each first nut seat. According to the pipe straightening device, traditional sliding type contact is changed into rolling type contact in the pipe strai