Sample centre gripping frock of microhardness meter

The utility model discloses a sample centre gripping frock of microhardness meter, including the base, its the base on be equipped with a pair of mutual disposition and slidable grip block, be equipped with on the base with the sliding rail structure that the lower part of grip block suited, the base on be equipped with and pass the worm drive pole of the distance between the two adjustable grip blocks of grip block lower part. The utility model discloses an it is rational in infrastructure, easy operation, the centre gripping is fast, presss from both sides tight firm reliably to the work piece. 本实用新型公开了种显微硬度计的试样夹持工装，包括底座，其所述的底座上设有对相对布置并可滑动的夹持块，所述底座上设有与所述夹持块的下部相适应的滑轨结构，所述的底座上设有穿过所述夹持块下部的并可调节两夹持块之间的距离的螺旋传动杆。本实用新型的结构合理，操作简单，夹持速度快，对工件夹紧牢固可靠。