Printing on-line detection device with protection structure

The utility model discloses a printing on-line detection device with a protection structure, which comprises a material guide table and a detection box, the inner side of the material guide table is provided with a conveying belt, the detection box is arranged above the material guide table, the inner wall of one end of the material guide table is provided with a butt joint groove, and the butt joint groove is connected with one side of a material receiving plate; and the buffering baffle is arranged on the outer edge of the material collecting plate, a part taking hole is formed in one side of the buffering baffle, and side plates are fixed to the two sides of the material collecting plate. According to the printing online detection device with the protection structure, when the conveying belt runs, a rectangular frame structure composed of anti-slip strips and limiting strips can prevent deviation of a printed product, the problem of incomplete shooting can be avoided through a camera with the height adjust