The invention relates to the field of manufacturing technology of a centering device, in particular to a linkage production forming system for a hoop of the centering device. The linkage production forming system comprises a punching mechanism, a primary bending mechanism, a secondary bending mechanism, a rolling mechanism and a forming mechanism which are sequentially and fixedly arranged on a punching machine, wherein one side of the punching mechanism is provided with a push air cylinder, a piston rod of the push air cylinder is provided with a push plate, the outer side of the push air cylinder is provided with a compressing mechanism used for compressing steel plates, the compressing mechanism mainly consists of a pressing plate, a cross bar and a fixing rod, the pressing plate is positioned in the secondary bending mechanism and the rolling mechanism and is connected with one end of the cross bar, the other end of the cross bar is connected with the fixing rod, and the fixing rod is fixedly arranged at the outer side of the push air cylinder. The linkage production forming system has the advantages that no waste materials are generated, the production cost of an enterprise is reduced, and the working efficiency is greatly improved.