Feeding device of button nailing machine

The utility model relates to the technical field of clothes processing equipment, in particular to a feeding device of a button sewing machine, which comprises a feeding table, a swing rod, a feeding mechanism, a needle threading mechanism, a swing rod driving unit and a rod withdrawing driving unit are mounted on the feeding table, a positioning needle is arranged at one end of the swing rod, the feeding mechanism is used for conveying buttons to the position of the positioning needle, and the needle threading mechanism is used for threading the buttons. The needle threading mechanism is used for controlling the button to rotationally penetrate through the positioning needle; the swing rod driving unit is used for driving the swing rod to swing the button on the positioning needle to a button chuck of the button sewing machine for button clamping; and the rod retreating driving unit is used for driving the material swinging rod to move downwards and retreat. According to the button feeding device, manual fee