Mounting and supporting device for machining central frame of instrument panel

The utility model discloses a mounting and supporting device for processing a central frame of an instrument panel, which comprises a fixed bottom frame, supporting frames are welded and fixed on the fixed bottom frame, reinforcing ribs are arranged at the joints of the supporting frames and the fixed bottom frame, and reinforcing cross beams are arranged between the supporting frames. Locking clamping ribs are installed at the connecting positions of the reinforcing cross beams and the supporting frame, the inner side surfaces of the reinforcing cross beams are connected with first fixing sliding columns and second fixing sliding columns through hoops correspondingly, and the surfaces of the first fixing sliding columns and the surfaces of the second fixing sliding columns are fixedly connected with machining platens through lifting sliding blocks correspondingly. The instrument panel central frame machining operation mechanism is stably installed and protected, meanwhile, the instrument panel central frame