The invention belongs to iron and steel field relates to packing steel belt production device. The invention high intensity steel packing belt producing device consists of unrolling machine, square joint machine, butt-welding machine, tractor, entrance loop machine, flat edge trimmer, quenching furnace, quenching water tank, tempering furnace, tempering water tank, leach drying stand, exit loop machine, tension machine, paraffin slot and rolling machine. The production device is adopted with an integral production line which has got on one line from unrolling machine, square joint machine, butt-linking machine, flat edge trimmer, to tempering insulation furnace, tempering water tank, quenching furnace, quenching water tank, paraffin slot and rolling machine all the devices all at the same level dragged by tractor and the production steel belt. The whole production line includes 1 to 10 production line unit namely installing 1 to 10 production line unit on the same line which means 1 to 10 high intensity steel packing belt can be producing at the same time on the same production line. The invention is of high efficiency, small area, low investment and non-polluting.