Rotary machine head structure of rotary template sewing machine

The utility model discloses a rotary machine head structure of a rotary template sewing machine, which comprises a machine head mounting seat and a machine head body, and the machine head mounting seat is rotatably connected with the machine head body through a first bearing; a round first cavity is formed in the upper end of the machine head body, the first bearing is arranged in the first cavity, and the fixing position of the first bearing and the first cavity is adjusted through the first adjusting bolt. The deviation degree of the lower end of the needle rod is determined through a measuring tool, then the fixing positions of the machine head installation base and the machine head body are controlled by adjusting the screwing-in length of the first adjusting bolt, the lower end of the needle rod coincides with the rotating center of the first bearing, and the sewing requirement can be met even if a needle rod installation groove is slightly inclined. The processing precision requirement of the needle bar