Automatic positioning mechanism of numerical control machine tool working table

The utility model discloses an automatic positioning mechanism of numerical control machine tool working table, comprises a workbench, the upper surface four corners of workstation all is equipped with the fixed plate, the middle part that is located two fixed plates of front side is equipped with first screw rod, the both ends of first screw rod all are connected through bearing and fixed plate,the left -handed watch face that is located the fixed plate of front side is equipped with first motor, the output shaft of first motor passes the fixed plate, and the output shaft end portion of first motor and first screw rod fixed connection, the middle part that is located two fixed plates of rear side is equipped with the guide arm, guide arm and fixed plate fixed connection, the middle partof guide arm and first screw rod is equipped with U type movable block, U type movable block and guide arm sliding connection, this automatic positioning mechanism of numerical control machine tool working table, and is solid