Surface heat treatment device

The utility model provides a surface heat treatment device. The surface heat treatment device comprises a supporting plate, a placing table, a seating table, a shell, a stand column, a threaded rod, an operating block, a clamping plate, a buffering table, an inserting rod, a mounting column, a buffering spring, a reinforcing spring, a chuck device and the like, a containing table is fixedly arranged at the middle end of the top of the supporting plate, two mounting columns are arranged at the top end of the containing table, a buffering table is arranged above the mounting columns, inserting rods are fixedly arranged at the two ends of the bottom of the buffering table, the surfaces of the inserting rods are installed in the mounting columns, and stand columns are arranged on one sides of the mounting columns. A threaded rod penetrates through the interior, close to the top end, of the stand column, and a clamping plate is fixedly arranged at one end of the threaded rod; by means of the threaded rods and the