Disclosed is glass fiber reinforced plastic pipeline production combined die

The utility model discloses a glass fiber reinforced plastic pipeline production combination die which comprises a center shaft, a plurality of supporting frames arranged on the center shaft and a barrel arranged on the supporting frames in a sleeving mode. The center shaft is sleeved with a plurality of rotating rings, a plurality of limiting plates for limiting the positions of the rotating rings, a moving ring in threaded connection with the center shaft and a plurality of fixing grooves formed in the center shaft. A plurality of first mounting lugs are arranged on the rotating ring; a plurality of second mounting lugs and a plurality of screws which are matched with the fixing grooves to limit the rotation of the moving ring are arranged on the moving ring; the supporting frame comprises a first supporting rod hinged to the first mounting lug, a second supporting rod hinged to the second mounting lug and a sliding block hinged to the top end of the second supporting rod. A slidinggroove matched with the s