Coating fineness detector

A paint fineness detector disclosed by the present invention comprises a base, a vertical moving mechanism, a transverse moving mechanism, a scraper mechanism, a fineness plate and a sampling analyzer, the scraper mechanism comprises a pedestal, a sliding seat, a tool apron, a vertical buffer mechanism, a bearing, a scraper and two adjusting springs, the pedestal is connected with the vertical moving mechanism, and the sliding seat is connected with the scraper mechanism. The sliding seat is connected with the base through the vertical buffering mechanism, the bearing is installed in the scraper holder, the sliding seat is connected with the bearing, the two sides of the sliding seat are connected with the adjusting bolts respectively, the two adjusting bolts are connected into wide groove holes in the two sides of the base in a penetrating mode respectively, the two adjusting springs are arranged on the two adjusting bolts in a sleeved mode respectively, and the scraper is installed on the scraper holder. An