The utility model provides an adjustable conveying roller way and a wire air-cooling device. The adjustable conveying roller way comprises a bracket, a conveying roller way, a telescopic device and a guide rail, wherein the guide rail is fixedly arranged on the bracket; the conveying roller way is arranged on the guide rail in a sliding way; the telescopic device is fixedly arranged on the conveying roller way; and the extension end of the telescopic device is fixedly arranged on the bracket. The conveying roller way is arranged on the guide rail in the sliding way and can move on the guide rail under the action of the telescopic device, so that the distance between two adjacent adjustable conveying roller ways can be adjusted, the wire cooling requirement can be met without increasing or decreasing the number of conveying rollers on the conveying roller way, and the labor intensity of operators can be lightened by the adjustable conveying roller way.