Aluminum profile stacking line

The invention discloses an aluminum profile stacking line. The aluminum profile stacking line is characterized by comprising a loading device, a conveying device and a stacking device which are sequentially arranged in an aluminum profile conveying direction, wherein the conveying device is provided with a charge position, a conveying position and a discharge position in the conveying direction thereof; the loading device is connected with the charge position; the stacking device is connected with the discharge position; a detection area and an inferior-quality product treatment area are formed in the conveying position; the inferior-quality product treatment area is located at an upper station of the detection area; a crack detection workstation used for detecting surface cracks of aluminum profiles, a smoothness detection workstation used for detecting surface smoothness of the aluminum profiles, and a stress detection workstation used for detecting stress condition of the aluminum profiles are arranged in