Positioning of Plastic compound bags by robot arms
Coperion builds new packaging lines for Sabic in Italy
30.06.2016 – Based on many years of cooperation between Sabic and Coperion in plastic compounding – specifically material handling and extrusion – Sabic has decided to install six Coperion packaging lines and a common palletising island at their plant in Pontirolo/Italy.
Sabic Italy is the market leader for small lots of plastic compounds with highly customised properties requiring specialised process technologies. Since the beginning of the packaging lines project, the main goals were flexibility and quick cleaning as well as continuous tracking via bar codes linked to the various recipes. The challenge was to install six fully automatic, robotised and flexible lines for valve bags while fulfilling the goals described above. During the design process Coperion build a dummy prototype in the first phase before proceeding to installation and startup of all six lines.
The bags, positioned in a double stack magazine, are placed in filling position by robotised integrated pick and place arms. The machines are fed easily via bins that are placed above the machines and automatically connected to a gravity feeding funnel. Operation of the bin valve is also completely automatic. The entire process is guided via barcode readers, which identify the product batch, automatically setting all parameters on the relevant bagging machine as well as the labeling. Operators may easily identify what batch is bagged in each line via maxi LCD screens which function as remote displays for the main operator interface.
The machines are placed in two rows, allowing the operator to survey the bin area and perform cleaning or maintenance tasks. All the equipment, including the bag magazine, is designed to be moved away for quick cleaning and easy maintenance without having to interfere with the rest of the system, which remains in operation. The robotised arms remain fixed to the main steel structure. Once filled, the bags are transported via several conveyors arranged in a customised layout, fulfilling all CE requirements in terms of safety as regards interlocking and design. Finally, the bags arrive at the palletising island, after passing a further integrated check via an online barcode, ensuring that each batch goes to the right pallet. In the palletising area two robots with four axes provide a flexible palletising layout with real time measurement of bag height via integrated laser control.
Palletising arm robots at the end of the production line at Sabic Italy
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