Injection molding machine workpiece taking device

The utility model discloses a piece taking device of an injection molding machine, which relates to the technical field of injection molding machines and comprises a mechanical arm, a conveyor and a control box, and the mechanical arm comprises a mechanical claw, an X-axis guide rail, a Y-axis guide rail, a Z-axis guide rail and a transmission mechanism arranged on the X-axis guide rail and the Y-axis guide rail and used for controlling the X-axis guide rail and the Y-axis guide rail to move. A telescopic arm and a driving mechanism for driving the telescopic arm to move in the Z-axis direction are movably installed in the Z-axis guide rail in the Z-axis direction, and the mechanical claw is arranged at the bottom of the telescopic arm and comprises a fixing frame installed at the bottom of the telescopic arm, a suction cup installed on the fixing frame and two opposite first air cylinders installed on the front face of the fixing frame. The connecting line of the two first air cylinders is perpendicular to t