Tool for assembling core rod assembly

A tool for assembling a core rod assembly comprises a fixed top plate and a fixed bottom plate, through holes for the core rod assembly to penetrate through are formed in the fixed top plate and the fixed bottom plate, a plurality of supporting rods are arranged between the fixed top plate and the fixed bottom plate, a plurality of clamping plate assemblies are arranged on the supporting rods, and the clamping plate assemblies are arranged in multiple layers in the axis direction of the supporting rods; the clamping plate assembly is used for clamping the core rod assembly guide assembly, the partition plate flange, the top flange or the lower flange; the guide assembly of the core rod assembly comprises a U-shaped plate which is detachably connected with the connecting plate; the inner side of the U-shaped plate and the inner side of the connecting plate are used for being provided with a core rod assembly lower guide plate. According to the utility model, the assembling process is simplified through a new t