Anti-warping high-density piano plate

The utility model discloses an anti-warping high-density piano board which comprises a piano body, a groove is formed in the piano body, a piano board body is arranged in the groove, the piano body and the piano board body are both provided with sliding grooves, sliding blocks are connected in the two sliding grooves in a sliding mode, the cross section of each sliding block is arranged in a rectangular shape, and the cross section of each sliding block is arranged in a rectangular shape. Buffer springs are fixedly connected between the two sliding blocks and the sliding grooves, a connecting rod is fixedly connected between the two sliding blocks, the connecting rod penetrates through the piano body and the piano plate body and is slidably connected with the piano body and the piano plate body, and two buffer mechanisms are arranged between the piano body and the piano plate body; the piano plate body is sequentially provided with a decorative layer, an impact-resistant layer, a fireproof layer, a waterproof