Drone gripper from Röhm
The tool arrives by drone
The drone gripper from Röhm enables the unmanned transportation of tools or other products in production halls. It was developed in cooperation with the Fraunhofer IAO and the Industry 4.0 experts from Digital Worx.
Drones show images from impressive perspectives and deliver parcels. In the future, they will offer even more support from the air. The possibilities are almost endless and many things that will be taken for granted in the future still seem unimaginable today. For demanding handling tasks, it is not enough for drones to fly from one point to the next. They also have to perform other tasks. For example, goods must be gripped reliably and accurately and distributed unmanned within the shortest possible time. This challenge also arises in manufacturing companies worldwide.
Indirect and direct gripping system
Röhm shows that this can already be a reality with its new drone gripper - and also offers other features that are needed for effective work and simple operation: The gripping technology specialist has an indirect and a direct gripping system in its range for versatile applications. With the indirect gripping system, the drone flies with the mounted gripper to the object fitted with an adapter ring. These can be rectangular containers, for example. With the optional limit switches, which are arranged three times 120 degrees around the gripper, it is possible to check the correct position of the gripper. As soon as all three limit switches send a signal, caused by the object resting on the adapter ring, the electrically driven servomotor can be activated.
With the direct gripping system, the drone flies directly and precisely to the object with the mounted gripper. The drone is positioned precisely beforehand. When landing, the drone's own weight is cushioned by a centrally mounted damping system, ensuring that the drone touches down gently and the curved gripping surfaces are exposed at the same time. The swinging out of the gripper arms is controlled by the servo motor. Insertion chamfers on the gripper arms support the gripping process.
No lubrication is required for smooth operation and the long-lasting servo drive is electric. An integrated damping system is included for gentle docking, even on sensitive parts. The gripper jaws can also be individually adjusted. The jaws are printed by Röhm using an additive process. This means that even complex shapes can be gripped. Röhm offers partial self-centring, which makes handling even easier.
Logistics drones will not be the only and ultimate solution in each of these areas, but in many cases they can usefully expand the "mix" of delivery options. Drones can take over "delivery flights" on sometimes large company buildings on a daily basis. Autonomous navigation in indoor environments poses a major challenge due to the high complexity and dynamics of the environment. as
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