Yarn guide structure of circular knitting machine

The utility model discloses a yarn guide structure of a circular knitting machine, which comprises an arc-shaped rod and a plurality of yarn guide components, and the top of the arc-shaped rod is provided with an arc-shaped limit groove extending along the length direction of the arc-shaped rod. The yarn guide assembly comprises a base, a first arc-shaped plastic sheet, a second arc-shaped plastic sheet, a threaded end cover, an arc-shaped limiting sheet, a yarn guide plate with a yarn guide hole and an angle adjusting mechanism arranged between the base and the yarn guide plate and used for adjusting the angle of the yarn guide plate. The yarn guide assembly has the advantages that when the yarn guide assembly is installed, the arc-shaped rod is sleeved with the first arc-shaped plastic sheet and the second arc-shaped plastic sheet, and the arc-shaped limiting sheet is embedded into the arc-shaped limiting groove of the arc-shaped rod for limiting in the deformation process of the first arc-shaped plastic sh