The utility model belongs to the technical field of the welding machine, a aquaculture net cage door reinforcing wire welding set is disclosed. Its main technical characteristics does: including having cage door orbital frame of marcing, march the track below at the cage door and be provided with bonding tool down, march the track top at the cage door and be provided with the support frame, correspond the position at this support frame and bonding tool down and be provided with the last bonding tool of controlling through first cylinder, be provided with the side bearer and personally experience sth. Part of the body to the side of the frame that bonding tool position under with corresponds, send the guide frame at this side bearer end of body through selling the hub connection sell the epaxial threading hole that is provided with, set gradually straightening mechanism and thread feeding mechanism above this send the guide frame, send guide frame and the second cylinder that is located the support frame top to be connected, the second cylinder is the two cycle cylinder send thread sliding plate side to be provided with limit baffle the side bearer body corresponds the position with limit baffle and is provided with the stopper. After having welded the cage portal, put the on -line automatically into production and accomplish the reinforcing wire welding, but also saved the process of pruning once more.