Feeding device for large steel structure production

The utility model discloses a feeding device for large steel structure production, and relates to the field of feeding devices.The feeding device comprises a protection frame, the top of the protection frame communicates with a feeding pipe, a supporting plate is fixedly connected to the interior of the protection frame, a recycling box is fixedly connected to the top of the supporting plate, and discharging openings are formed in the end of the protection frame and the end of the recycling box correspondingly; a discharging port in the protection frame and a discharging port in the recycling box are arranged in parallel, a filter screen is fixedly connected to the interior of the discharging port in the recycling box, the recycling box is arranged to be in an inclined shape, and a crawler belt is arranged on the top of the recycling box. According to the shot blasting machine, shot blasting is recycled through the recycling box, then the shot blasting is conveyed into the conveying box through the dischargin