The invention provides an automatic production system for welding rods, including a wire feeding device, a drawing device, a wire cutting device, a buffer device, a wire feeding device, a powder feeding device and a drying device, a wire feeding device, a drawing device, a wire cutting device, and a buffering device , wire feeding device, powder feeding device and drying device are arranged in sequence along the welding rod preparation direction to prepare welding rods; the wire feeding device is set to transport the coiled welding core in a single form, and the drawing device is set to It is used to draw the welding core, the wire cutting device is set to cut off the drawn welding core, and the buffer device is set to buffer and turn over the cut welding core during the conveying process, and wire feeding The device is set to convey the welding core when the welding core is covered by the coating, the powder feeding device is set to coat the welding core, and the drying device is set to dry the prepared welding rod . The invention has the beneficial effects of reducing production personnel allocation, reducing equipment investment and maintenance costs.