Adhesive joint device for fire-retartant board

The utility model relates to an adhesive joint device for fire-retartant board, composed of a preorder conveying section, a showering membranous section, a postorder conveying section, a baking oven, a preorder sliding wheel frame, an attached frame, and a postorder sliding wheel frame, wherein, a decorative rubber running wheel is spanned between the attached frame and the preorder sliding wheel frame, a protective film guide wheel is spanned between the attached frame and the postorder sliding wheel frame, and four rolling attached groups is formed by the method that a hot rolling wheel is assembled with a cooling wheel symmetrically and is spanned on the attached frame. One group has the characteristics that the upper part is hot and the lower part is cold, three groups has the characteristics that the lower part is cold and the upper part is hot, and the board sheet is attached in a forceful rolling way; thereby, a metal thin sheet is attached to the decorative rubber together uniformly, air can not leave between the both, and the utility model has the advantages of strong stability and smooth appearance.