Novel composite sound insulation panel structure

The utility model discloses a novel composite sound insulation panel structure. The novel composite sound insulation panel structure comprises a sound insulation base layer, wherein the sound insulation base layer is made of packing composed of PE, POE, additives and calcium carbonate or barium sulfate in an extrusion molding mode through an extruder after the four materials are mixed, and a PP sound absorption cotton layer is laid on the surface of the sound insulation base layer. The sound insulation base layer is made of the packing composed of the PE, the POE, the additives and the calcium carbonate or barium sulfate in the extrusion molding mode through the extruder after the four materials are mixed, compared with a traditional EVA sound insulation panel structure, the novel composite sound insulation panel structure is free of odor, in addition, the PP sound absorption cotton layer can effectively filter out sound waves and have the sound absorption effect, and the sound insulation and sound absorption