The invention provides a stainless steel elbow device which comprises an electronic telescopic rod, an arc-shaped plate, a button switch, a blind hole, a fog collection cover, a connecting tube, a draft fan and a fog discharge tube, wherein the blind hole is formed in the left side inside a molding groove; the electronic telescopic rod is mounted inside the blind hole; the button switch is arranged on the front end surface of a mold body; and the arc-shaped plate is assembled at the right end of the electronic telescopic rod. Due to the design, the purpose of rapidly jacking out a finished elbow is achieved, the fog collection cover is arranged at the upper side of a holding plate, the left end of the connecting tube is mounted on the upper end surface of the fog collection cover, the right end of the connecting tube penetrates through the upper end surface of a sound insulating box and is connected with the draft fan, the fog discharge tube is arranged on the right end surface of the sound insulating box, the left end of the fog discharge tube extends into the sound insulating tube and is connected with the draft fan, due to the design, the purpose of guiding and discharging fog is achieved, and the stainless steel elbow device is high in working efficiency, low in noise, good in stability and high in reliability.