Yarn guide cylinder for weaving polyester fabric

The utility model belongs to the technical field of polyester fabric preparation, and particularly relates to a yarn guide cylinder for polyester fabric weaving, which comprises a first lining plate and a second lining plate, the second lining plate is arranged on one side of the first lining plate, a yarn guide cylinder main body is arranged between the first lining plate and the second lining plate, and barrier plates are arranged on the upper and lower sides of the end surfaces of the first lining plate and the second lining plate. According to the utility model, the lining plate and the barrier plate are arranged, and the barrier plate adopts the cambered surface structure, so that the influence on the subsequent preparation efficiency caused by the deviation of the coil in the wire guiding process can be effectively avoided; by arranging the yarn guide groove, the polyester fiber yarn is connected with the yarn guide cylinder main body through the yarn guide groove, so that the polyester fiber yarn does