Product fixing device for machine tool machining

The utility model discloses a product fixing device for machine tool machining. The device relates to the technical field of machine tool machining, and comprises a box body, an inner cavity of the box body is fixedly connected with a first motor, an output shaft of the first motor is sleeved with a first bevel gear, a second bevel gear and a third bevel gear are in lap joint with the inclined surface of the first bevel gear, and the opposite ends of a first screw and a second screw are sleeved with the second bevel gear and the third bevel gear respectively. The utility model discloses a product fixing device for machine tool machining. A first motor and a first bevel gear are arranged; the distance between the fixed shell I and the fixed shell II can be adjusted according to the length of a workpiece; therefore, the clamping device can be used for clamping workpieces with different lengths; and through cooperation of a second motor, a second gear and a first gear, the workpiece can rotate according to needs