Concrete anti-permeability instrument

The invention relates to a concrete impermeability instrument, and belongs to the field of concrete detection equipment. The device comprises a test platform and six test molds arranged on the test platform, the six test molds are oppositely arranged in two rows on the test platform, each test mold comprises a fixed half mold and a rotating half mold, a rotating shaft is fixedly arranged on one side of each rotating half mold, and each rotating shaft is rotationally connected with one side of the corresponding fixed half mold; a rotating mechanism is arranged on the test platform; the rotating mechanism is connected with the six rotating shafts and is used for synchronously driving the plurality of rotating shafts to rotate; a sealing mechanism is arranged between the fixed half mold and the rotating half mold, and is used for sealing when the fixed half mold and the rotating half mold rotate to a fitting state; a feeding mechanism is also arranged on the test platform and is used for moving a concrete sample