Long aluminum profile supporting frame

The utility model discloses a long aluminum profile supporting frame, which belongs to the technical field of aluminum profile processing, aims at solving the problems that the long aluminum profile positioning effect is poor and the angle of the long aluminum profile is not easy to adjust, and comprises a bottom plate, the bottom plate further comprises a support, and the support is fixed on the side wall of the top end of the bottom plate. The side wall of the inner side of the support is rotationally connected with a bearing plate through a rotating rod, the bearing plate is located over the bottom plate, a groove is formed in the side wall of one side of the bearing plate, a positioning assembly matched with the bearing plate is arranged in the groove, and two symmetrically-distributed bearing seats are fixed to the side wall of the top end of the bottom plate. Through the arrangement of the positioning assembly, the long aluminum profile can be positioned in a short time, the long aluminum profile can be