Automatic feeding and discharging machining device

The utility model is suitable for the technical field of part machining equipment, and particularly relates to an automatic feeding and discharging machining device which comprises a feeding rail, a receiving mechanism, a conveying mechanism, a clamping jaw, a turning tool and a discharging pipe. The feeding track is provided with a material channel which is provided with an outlet. The material receiving mechanism comprises a material receiving seat, the material receiving seat is used for receiving products flowing out of the outlet and conveying the products to a preset position, and the material receiving seat reciprocates between a material receiving position and the preset position; the material conveying mechanism comprises a vacuum suction nozzle which is used for sucking products. The material conveying mechanism is used for driving a product adsorbed on the vacuum suction nozzle to the clamping jaw, and the clamping jaw is used for clamping the product and driving the product to rotate; the turning