Combined hanging rack for formation production line

The invention relates to a formation production line combined hanging rack which comprises a rack body, an upper roller rack is arranged at the upper end of the rack body, a transition roller rack is arranged in the middle of the rack body, a bottom roller rack is arranged at the bottom end of the rack body, a plurality of upper rollers are arranged on the upper roller rack, a plurality of transition rollers are arranged on the transition roller rack, and a plurality of bottom rollers are arranged on the bottom roller rack. Limiting frames are arranged on a frame body between the upper roller frame and the transition roller frame and a frame body between the transition roller frame and the bottom roller frame, each limiting frame comprises a transverse blocking strip and a longitudinal blocking strip, the longitudinal blocking strips are installed on the frame bodies, and the two ends of each transverse blocking strip are fixedly connected with the longitudinal blocking strips on the corresponding sides respe