Automatic weighing packaging line for hardware nails packing in box and palletizing by robot Innovative packaging line for common nails, wire nails, etc hardware products, fully automatic on each process, standard packaging specifications, improving production efficiency, reducing production time, and saving labor costs. The complete set packing line including: 1. Feeding. Customized two-layer vibration for mass production hardware nails products, widened inclined elevator which is more suitable for hardware. 2. Weighing. With 14-head electrical weigher, easy to adjust different weights, high accuracy and low error. 3. Box opening, closing, and tape sealing, fully automated processes. 4. Strapping. Machine automatic sense boxes and strap twice per box. 5. Palletizing. Advanced robot palletizer, automatic on pallet positions, and intelligent placing the packed boxes on pallets.