Feeding and needle swinging collaboration device of sewing machine

The utility model discloses a feeding and swing needle cooperation device of a sewing machine, which comprises a rack, an upper feeding device, an upper feeding motor used for driving the upper feeding device, a lower feeding device, a lower feeding motor used for driving the lower feeding device, and a swing needle swing mechanism, the lower feeding device and the lower feeding motor are installed on the machine frame, the swing needle swing mechanism comprises a swing needle seat, a swing shaft, an eccentric wheel assembly, a transmission mechanism and a reversing mechanism, the eccentric wheel assembly is installed on the machine frame and connected with the main motor, the swing shaft is installed on the machine frame, the swing needle seat is fixed on the swing shaft, and the transmission mechanism is connected with the eccentric wheel assembly and the swing shaft. The reversing mechanism is connected with the transmission mechanism. The swing needle swinging mechanism is driven by a main motor of the se