Secondary attaching and binding device

The utility model relates to the technical field of nursery stock grafting, and discloses a secondary attaching binding device which comprises a grafting clamping jaw capable of moving front and back and up and down, a stock clamping jaw and a scion clamping jaw, and the stock clamping jaw and the scion clamping jaw can convey a stock and a scion to a fixed point part to be attached to each other. The grafting clamping jaw achieves clamping and loosening of the grafting clamping jaw on a butterfly clamp through a grafting clamping jaw driving module, when the butterfly clamp is clamped by the grafting clamping jaw, an opening can be opened, and a front-back moving module is arranged on one side of the grafting clamping jaw driving module. The grafting clamping jaw is further provided with clamping blocking teeth, and the clamping blocking teeth are used for providing acting force consistent with the opening direction of the butterfly clamp for the butterfly clamp when the grafting clamping jaw loosens the but