Core -pulling device for bent pipes

The utility model relates to a core -pulling device for bent pipes, including the support, set up at the curved type master cylinder of support below, pass through the tooth disc that the rack is connected with turn type master cylinder, curved type master cylinder telescopic band carry -over bar go forward or retreat and make tooth disc rotate, tooth disc on be provided with and be used for the curved section mould utensil of the curved type of tubular product, the positioner who is used for fixing the press device of tubular product and is used for fixing a position tubular product. The even of the accurate and curved type strength of curved type angle can be guaranteed to the swan neck system of should loosing core, still can realize the artifical curved type effect that the type can't reach of bending when raising the efficiency. But also being provided with curved section mould utensil inner core, the inner core is packed tubular product, can guarantee in curved type that curved type part can not inhomog