Upper dial adjusting mechanism for circular knitting machine

The utility model discloses an upper dial adjusting mechanism for a circular knitting machine, which comprises a dial bracket, a supporting groove is arranged on the dial bracket, an upper dial is arranged on the supporting groove, a plurality of indicating lines are arranged on the side wall of the supporting groove in a linear manner, an indicating block is arranged on the upper dial, and the indicating block is arranged on the upper dial. The dial bracket, the supporting groove, the upper dial, the indicating line, the indicating block and the adjusting mechanism are arranged, when the dial is used, firstly, the upper dial can be fixed in the supporting groove in the dial bracket, when the upper dial needs to be adjusted, the upper dial can be fixed in the supporting groove in the dial bracket, and then the upper dial can be fixed in the supporting groove in the dial bracket. The flatness of the upper dial can be judged only by enabling the upper dial to ascend or descend through the adjusting mechanism an