Thermal insulation aluminum material with multi-layer structure

The utility model discloses a heat preservation aluminum material with a multi-layer structure, which comprises a structure main body, the structure main body comprises a panel, a bottom plate, and an upper heat preservation layer, a sound insulation layer and a lower heat preservation layer which are sequentially arranged between the panel and the bottom plate; the sound insulation layer is of a composite structure and is composed of a sound insulation cotton layer and a sound absorption cotton layer. A plurality of groups of magnetic attraction pieces are arranged on the upper surface of the panel, and a hollow groove is formed in the panel; according to the aluminum plate material, the upper heat preservation layer and the lower heat preservation layer are arranged, the heat preservation effect is achieved, the sound insulation layer is arranged, the sound insulation layer is formed by bonding and connecting the sound insulation cotton layer and the sound absorption cotton layer, the sound insulation effec