Hot melt adhesive coating machine

The utility model relates to a hot melt adhesive coating machine in the technical field of hot melt adhesive coating. The glue feeding device comprises a rack, a containing cavity and a plurality of glue feeding pipes arranged at intervals. The containing cavity is fixedly connected to the rack. A glue outlet is formed in one side of the accommodating cavity; one ends of the multiple glue inlet pipes penetrate through the bottom of the containing cavity, and end openings of the multiple glue inlet pipes are flush with the inner bottom face of the containing cavity. A plurality of push plates are arranged in the containing cavity, the sliding direction of the push plates is consistent with the length direction of the glue outlet, the bottoms of the push plates are not lower than ports of the glue inlet pipes, the push plates are connected with a power device for pushing the push plates to slide in a reciprocating mode, and each push plate is arranged on one side of the adjacent glue inlet pipe. According to th