The clamping device of manipulator adopts cylinder and vacuum sucker, and its clamping adopts telescopic cylinder to squeeze and exhaust the sucker skin to the surface of the sucked object through external force, and the air in the sucker cavity is squeezed out to form negative pressure, and the release is realized by introducing air into the sucker under the control of electromagnetic valve, and the whole clamping and release is controlled by electromagnetic valve. In addition, the manipulator of injection molding machine has stepping motor drive module, PLC control module and stroke control element to realize the above actions. What can the manipulator do for you? Some injection molding factory owners may not understand it before installing the robot. When you encounter some products that are not easy to demould, you will find that it is a waste of time and processing cost to produce them. When operating a large-tonnage injection molding machine, you will find that workers are particularly tired when running up and down the injection molding machine, which is easy to produce fatigue, very inconvenient to work, with great safety hazards and reduced output; When you arrange a production plan, but it can't be completed due to uncertain manual operation time, fatigue, absence, personnel turnover and other reasons; When your product automatically falls off, it will lead to knock and dirt, resulting in defective products; You will find that all the problems will be solved after using the manipulator of injection molding machine.