Automatic calibration device for thickness gauge

The utility model discloses an automatic calibration device for a thickness gauge, and mainly relates to the technical field of thickness gauge calibration. The bottom surface of the calibration material block is a horizontal plane, the top end of the calibration material block is step-shaped, the linear motion mechanism is used for driving the calibration material block to translate, and the heights of a plurality of calibration planes at the top of the calibration material block are sequentially increased or decreased from left to right; according to the utility model, manual calibration can be replaced, and work efficiency and calibration precision can be improved. 本实用新型公开了一种测厚仪自动标定装置，主要涉及测厚仪标定技术领域；包括底面为水平面且顶端呈阶梯状的标定材料块以及用于带动标定材料块平移的直线运动机构，所述标定材料块的顶部的若干个标定平面的高度自左向右依次增高或者依次降低；本实用新型能够替代人工标定，能够提高工作效率与标定精度。