Automobile seat back plate forming device

The utility model discloses an automobile seat back plate forming device which comprises an upper die and a lower die, the upper die comprises an upper die body, an upper die core is arranged on the end face of one end, facing the lower die, of the upper die body and protrudes towards the lower die, and the end face of the upper die core is partially sunken to form a first forming cavity; the end face, facing the upper die, of the lower die is sunken to form a second forming cavity, and the bottom face of the second forming cavity partially protrudes to form a lower die core. In the process that the upper die moves towards the lower die, the upper die core is embedded into the second forming cavity, the lower die core is embedded into the first forming cavity, through the structural design of the upper die and the lower die, one-time stamping action is achieved, a first bent reinforcing rib and a protruding edge can be obtained at the same time, and therefore production and manufacturing of the back plate are