The invention discloses a lead-acid storage battery grid automatic conveying device which is arranged at the tail end of a grid production line. The automatic conveying device is provided with a main frame body, the main frame body is provided with a three-axis direction guide rail, a manipulator capable of moving in the direction of three axes and rotating in the Z axis direction is arranged through the guide rail, the manipulator is provided with a gripper adaptive to each grid and capable of being opened and closed, the gripper comprises a plurality of claw arms, and the lower end of each claw arm is of an L type. According to the automatic conveying device, the grids are conveyed through the adoption of a grabbing mode, the grids are conveyed away from a conveying table and then are stacked up in order, the manipulator grabs firmly and is suitable for the special structure and shape of each grid, and whole-course automation and intelligence of conveying can be achieved.