Yarn conveying and tensioning structure

The utility model discloses a yarn conveying tensioning structure which comprises a tensioning rod and two installation frames arranged at the two ends of the tensioning rod respectively, limiting grooves are formed in the inner sides of the installation frames, an adjusting rod capable of moving along the limiting grooves is arranged between the two installation frames, the end of the tensioning rod is arranged in the limiting grooves, and the tensioning rod is arranged in the limiting grooves. A first spring and a second spring are arranged in the limiting groove, the first spring is connected with the tensioning rod and the mounting frame, and the second spring is connected with the tensioning rod and the adjusting rod; by means of the tensioning rod and an auxiliary structure matched with the tensioning rod, the rod body capable of changing the position through elastic deformation is provided, the position of the adjusting rod can be adjusted, and therefore extrusion of the spring is enhanced, the effect