The utility model relates to an instrument of tying up is combed to the wire, and specifically speaking is a finishing device for wire beam forming. Long, complex operation of present wire beam forming process time spent, the pencil quality is low, and the ride comfort is poor. The utility model discloses technical scheme is including the threading apparatus, the fixed bolster that are used for combing the wire, the threading apparatus be the column body structure, the threading apparatus is inside to be equipped with and to be coniform evenly distributed, and to run through a plurality of threading passages of two bottom surfaces of the column body, the fixed bolster be a lateral part open -ended frame shaped structure, frame shaped structure's lower frame is equipped with a bolt mandril,the bolt mandril upper end is equipped with the clamp plate, clamp plate and frame shaped structure's upper shaped as frame one -tenth no. 1 be used for with threading apparatus complex pincer bayonet socket. Utilize threading passages (threading apparatus) length and toper to arrange, make wire arranging, carding, cut -off, assemble and once accomplish, it is smooth -going pleasing to the eye behind the wire beam forming, improved work efficiency by a wide margin, saved the manual work.