Gluing device for composite insulation board

The utility model discloses a gluing device for a composite insulation board, belongs to the technical field of insulation board production, and aims to solve the problems that dust or chippings can fall on the surface of the insulation board, so that the gluing effect is influenced, and the later bonding quality of the insulation board is further influenced. Fixing blocks are fixedly mounted on the two sides of the top end of the rack, grooves are formed in the opposite sides of the two fixing blocks, a threaded rod is rotatably mounted on one fixing block in the groove, a guide rod is fixedly mounted on the other fixing block in the groove, and a first motor is fixedly mounted at the top end of each fixing block; through the arrangement of the fixing block, the groove, the threaded rod, the first motor, the guide rod, the cross rod, the cleaning brush and the like, the surfaces of heat preservation plates with different thicknesses can be conveniently cleaned, the gluing effect of the heat preservation plat