Ball warp beaming machine yarn tension fluctuation buffer device

A yarn tension fluctuation cushioning device of a ball warp beaming machine is characterized in that the yarn tension fluctuation is provided with a mounting plate; a swinging shield is arranged on the mounting plate and the swinging shield can swing from left to right around a through-goring shaft; an elasticity regulating wheel is arranged under the mounting plate; the lower part of the through-going shaft is provided with a wobble wheel that can swing as the swinging shield swings; one end of a spring is fixed on the wobble wheel and the other end is fixed on the elasticity regulating wheel; one end of the swinging shield is provided with a big circular arc nick; both sides of the big circular arc nick are respectively provided with a moveable tension column perpendicular to the surface of the swinging plate; an immoveable column is installed in the big circular arc nick; the immoveable column is perpendicular to the surface of the swinging plate; the immoveable column and two moveable columns are shaped l