Double-channel bone grafting device

The utility model discloses a double-channel bone grafting device, which belongs to the technical field of bone grafting and comprises supporting legs. A fixing frame is fixedly connected to the upper ends of the supporting legs, concave guides are arranged on one sides of the fixing frame and the supporting legs and slidably connected with sliding blocks, a frame is fixedly connected to one ends of the sliding blocks, a plurality of fixing shafts are fixedly connected to the middles of cross beams on the front side and the rear side of the frame, and grooves are formed in the upper ends of the cross beams on the two sides of the frame. The upper end of the groove is slidably connected with a bearing, the bearing is slidably connected with a rotating shaft, the middle of the rotating shaft is connected to the output end of a servo motor in a meshed mode, the side of the rotating shaft is fixedly connected with a fixing column, the fixing column is slidably connected with a funnel pipe, and the upper end of th