Aluminium foil thickness off-line measuring apparatus

Provided is an aluminium foil thickness off-line measuring apparatus, comprising a testing stand, wherein the testing stand is provided with a long briquetting; one side of the to-be-tested aluminium foil is pressed between the long briquetting and the testing stand, with the other end of the to-be-tested aluminium foil being suspended; the upper surface of the long briquetting is provided with a V-shaped guide rail groove; a measuring arm arranged above the long briquetting cooperates with the V-shaped guide rail groove of the long briquetting via the V-shaped guide rail arranged at the bottom thereof; one end of the measuring arm is provided with a displacement sensor and a supporting ball corresponding to the suspended side of the aluminium foil; the aluminium foil is clamped between the displacement sensor and the supporting ball; and the displacement sensor is electrically connected with the sensor display screen. The aluminium foil thickness off-line measuring apparatus of the utility model is capable o