Hub integrated tool jig

The utility model discloses an integrated tool jig for a hub. The tool jig comprises a positioning jig middle plate and a positioning jig top plate. The positioning jig middle plate is provided with a plurality of positioning pins I; the positioning jig middle plate is fixedly connected with a pair of fasteners I; the tool jig further comprises a positioning jig bottom plate, and the positioning jig bottom plate is fixedly connected with a pair of second fasteners. The positioning jig bottom plate is further provided with a plurality of side cover fixing supports. The device further comprises a hub, and the hub abuts against or makes contact with the tool jig. Under the action of gravity, the positioning jig middle plate slides towards the positioning jig bottom plate along the axial direction of the side cover fixing bracket; the fastener I and the fastener II are fixed after sliding to a certain distance; when the positioning jig middle plate slides downwards, the first fastener and the second fastener are