Suction-cup gripper device and flip-over assembly

A suction-cup gripper device including:

• at least one pneumatic cylinder including a cylinder body, a piston slidably mounted in a first inner chamber of the cylinder body, and a rod secured to the piston extending from a proximal end from the inner chamber to the outside of the cylinder body, throughout an opening in the cylinder body,
• a pneumatic suction-cup system including a pneumatic suction cup secured to the distal end of the rod, and a circuit for depressurizing the pneumatic suction cup and wherein the piston and rod assembly is configured to selectively retract in a first position into the cylinder body, and deploy in a second position out of the cylinder body and wherein the depressurization circuit of the pneumatic suction cup includes:
• the rod of the piston which is tubular, and communicating at the distal end with the pneumatic suction cup,
• an inner duct, coaxial with the rod of the pneumatic cylinder, secured to the body of the cylinder, penetrating the tubular rod from said proximal end, connected in a fluid-sealed manner with an inner surface of the rod via a sliding seal system, forming a vacuum chamber, and wherein the piston is annular, configured to surround the pneumatic cylinder rod and the inner duct, and to sweep at least one pressurization chamber of the cylinder body connected to at least one compressed air port external to the cylinder body, annular, delimited between the inner duct and an inner surface of the cylinder body configured to slide with the piston.