Adjustable yarn feeding device of knitting machine

The utility model discloses an adjustable knitting machine yarn feeding device, which belongs to the technical field of knitting machine yarn feeding equipment, and comprises a fixed plate and a supporting part fixed on one side of the fixed plate, two sides of the fixed plate close to the supporting part are respectively provided with a yarn feeding roller and a telescopic rod through a rotating shaft, the rotating shaft is rotatably connected with the telescopic rod, and the yarn feeding roller is fixedly connected with the rotating shaft. A plurality of limiting assemblies are arranged on the two sides of the supporting part, the limiting assemblies are in sliding connection along the sliding grooves, tensioning wheels are arranged at the telescopic ends of the telescopic rods, and the driving part drives the telescopic rods to rotate and abuts against the limiting assemblies at different positions in a matched mode. According to the yarn feeding device, the tension degree can be adjusted according to spin