Automatic boxing production line for multi-specification coil nails

The multi-specification coil nail automatic boxing production line comprises a machine base, a conveying device, a sorting device and at least two boxing mechanisms, the conveying device comprises a conveying belt structure arranged on the machine base, and the conveying belt structure is provided with a feeding end and a discharging end which are oppositely arranged in the front-back direction; the conveying belt structure comprises at least two first conveying belts which are located between the feeding end and the discharging end and are arranged at intervals in the left-right direction, and the sorting device is arranged on the machine base and is close to the feeding end. And the two boxing mechanisms are arranged at the feeding end and used for feeding the multiple coil nails of different specifications conveyed from the feeding end into the corresponding first conveying belts correspondingly, so that the coil nails on the first conveying belts are the same in specification, and the two boxing mechanism