Needle bar frame and rotary shuttle box linked moving mechanism of all-in-one double-side double-row quilting and embroidering machine

The utility model relates to a needle bar frame and rotary shuttle box linked moving mechanism of an all-in-one double-side double-row quilting and embroidering machine, which comprises a needle bar frame synchronous pulley, a rotary shuttle frame synchronous pulley, an upper screw rod, a lower screw rod, an upper pull rod, a lower pull rod, a movable needle bar frame and a rear-row rotary shuttle frame moving mechanism, wherein the rotary shuttle frame synchronous pulley is connected with the needle bar frame synchronous pulley through a synchronous belt; a driving shaft is connected with a lower screw rod nut through the lower screw rod; the needle bar frame synchronous pulley is connected with an upper screw rod nut through the upper screw rod; the upper screw rod nut and the lower screw rod nut are integrally connected through a connecting board; the upper pull rod and the lower pull rod are respectively mounted at two ends of the connecting board; the lower pull rod is fixedly connected with a coupling s