The invention discloses an umbrella rib riveting assembling machine, and belongs to the technical field of umbrella rib automatic assembling equipment. The umbrella rib riveting assembling machine mainly comprises a switchboard base, wherein an eight-station divider turntable is arranged at the top of the switchboard base; a mounting column fixedly connected with the switchboard base is arranged in the center of the eight-station divider turntable in a penetrating mode; each station corresponding to the top of the eight-station divider turntable is provided with an umbrella rib tool; carryingmanipulators are arranged on a first station, a third station, a fifth station and a seventh station of the eight-station divider turntable; riveting mechanisms are arranged on a fourth station and asixth station of the eight-station divider turntable; a defective product collecting mechanism and a receiving mechanism are arranged on the outer side of the seventh station of the eight-station divider turntable; and the defective product collecting mechanism is located above the receiving mechanism. According to the umbrella rib riveting assembling machine, manual participation is not needed during actual operation of the machine, the production process can be continuously carried out, the labor demand is greatly reduced, and the production benefit is greatly improved.