Automatic feeding structure for paperboard processing

The utility model discloses an automatic feeding structure for paperboard processing, which comprises a conveying belt, the conveying belt is made of polyester materials, paperboards needing to be fed are placed on the upper surface of the conveying belt, a placing handrail is arranged at the upper end of the conveying belt, two cleaning curtains are arranged at the lower end of the placing handrail, and the cleaning curtains are arranged on the conveying belt. The cleaning curtains are contracted at the two ends of the placing handrail when not used, and the cleaning curtains extend to cover the bottom end of the placing handrail when used. The cleaning curtain devices capable of being opened and closed are arranged at the two ends of the conveying belt and the two ends of the power device of the conveying belt, the whole device is cleaned, and meanwhile the paperboard feeding link cannot be affected when the device is not used. 本实用新型公开了一种纸板加工的自动上料结构，其包括：传送带，所述传送带使用聚酯材料，所述传送带上表面放置有所需上料的纸板，所述传送带上端设置有放置栏杆，所述放置