Construction hoist standard knot coating production line

The utility model discloses a construction hoist standard knot coating production line which comprises a piece feeding area, a piece discharging area, a conveying track, a shot blasting machine, a shot cleaning chamber, a spraying room, a curing room and a cooling station, and the conveying track sequentially penetrates through the piece feeding area, the shot blasting machine, the shot cleaning chamber, the spraying room, the curing room, the cooling station and the piece discharging area to form a continuous operation production line. A plurality of shot blasting devices with opposite openings are arranged on the inner wall of a shot blasting chamber in the shot blasting machine, the shot blasting chamber is communicated with a shot cleaning chamber, a plurality of shot cleaning guns are arranged in the shot cleaning chamber, and a recovery device inclining from the shot cleaning chamber to the shot blasting machine is arranged at the bottom of the shot cleaning chamber, so that cleaned and fallen balls fal