Robot sucker gripper

The invention provides a robot sucker gripper. The robot sucker gripper comprises an installing framework, a flange cover for connecting a mechanism arm is fixedly arranged above the installing framework, a guide rail is arranged on the installing framework, a plurality of sucker devices for gripping objects are arranged on the guide rail and can move along the guide rail, the plurality of sucker devices are hinged together through a link mechanism, a spacing adjustment device is further arranged on the sucker devices and comprises a screw rod and screw rod nuts, the screw rod is arranged on the installing framework and is parallel to the guide rail, two sides of the screw rod are matched with the screw rod nuts through inner and outer threads, and the screw rod nuts are connected with the sucker devices. According to the robot sucker gripper, intervals among the sucker devices are adjusted, the objects in different sizes can be gripped, and the robot sucker gripper has the advantages of being simple in structure, flexible in operation, and high in production efficiency.