Twice waxing device of two-for-one twister

The utility model relates to a twice waxing device of a two-for-one twister. The twice waxing device mainly comprises a frame, wherein the frame is provided with two waxing machines. Two waxing passages are arranged to pass through the two waxing machines, and the waxing passages and the two waxing machines are arranged into an S shape. Each waxing machine comprises a base plate, an upright post is arranged on the base plate, and a rotatable wax block is sleeved on the upright post. Yarns are arranged inside the waxing passages, when passing through the first waxing machine, the yarns are capable of contacting with the right side of the wax block, when passing through the second waxing machine, the yarns contact with the left side of the wax block to form the S shape, and even waxing is ensured. The two waxing machines and the yarns of the twice waxing device of the two-for-one twister are arranged into the S shape to enable the yarns to rotate during operation process so as to achieveoverall even waxing and