BEUMER Group: Palletising Solutions with attractive Design and reliable Operation

Beckum, Germany BEUMER Group, a single-source provider for filling, palletising and packaging technologies, develops complete packaging lines with perfectly compatible components. The right palletising technology is key to achieving optimally packaged load units and for the secure transportation of bags, buckets, packages or canisters.

As a system supplier, BEUMER Group customises these systems, both the BEUMER paletpac and the BEUMER robotpac, to match the individual customer’s needs and takes product characteristics, packing patterns and pallet sizes into consideration. Both systems handle the items with care and stack them in an optimal pattern.

“We design the individual machine and components to perfectly fit customers’ specific needs and to ensure maximum throughput on the packaging lines,” describes Gregor Baumeister, Director of the Packaging and Palletising Division at BEUMER Group. This of course also applies to the palletisers: they pick up the items and stack them in the desired pattern on the respective pallets, before they are wrapped with a stretch hood. The machines have to meet high demands. “The merchandise must be stable and stacked neatly on the pallet,” says Baumeister. “This ensures optimally packaged load units for secure transport on trucks for example.”

Secure and neat Stacks of Bulk Material

Products of the industries food, (petro)chemical, building materials and other consumer goods are stored in special bags, barrels, canisters, cartons or buckets. BEUMER Group offers different solutions, depending on the packaged items. The BEUMER paletpac is suited best for bulk material. This construction series stacks the bags, that might have been filled by a BEUMER fillpac FFS, in a stable and precise way on the pallets. The bags are made out of paper, polyethylene or polypropylene and are available in two different designs: flat valve and valve bottom bags.

The BEUMER paletpac creates precise, stable, space-saving bag stacks.

The high-capacity machine palletises bags up to a pack height of 2,400 millimetres, in every technically possible packing patterns and on any commonly used pallet size – including intermediate sizes such as 1,400 x 1,200 millimetres. A multi-program interface enables the user to set parameters easily and quickly. The machines of this construction series can palletise up to 2,500 bags per hour, the high-capacity version up to 5,500 per hour.

Always in a good Position
The twin-belt turning device offers a tremendous advantage over conventional turning processes.

The BEUMER paletpac can be provided with a bar-type, clamp-type or twin-belt turning device to position the filled bags quickly, ensuring their dimensional stability. The latter offers a great advantage compared to conventional turning machines, because the system’s components move the bags without mechanically deforming them: “Two parallel driven belt conveyors move at different speeds and turn the bags quickly into the desired position,” explains Baumeister. The intelligent control of the twin-belt turning device also takes the dimension and weight of the filled bag into consideration. Exact positioning, specified by the preset packing pattern, is achieved. No adjustment is necessary even with a product change. Creating precise patterns during the layer and stack formation result in stable bag stacks. Multiple pallet loads created with the BEUMER paletpac can even be stacked one on top of the other to save storage space.

The modular structure permits adaptation of this series to special market- and customer-specific requirements. Bags stacked accurately on pallets can then be transported successfully to the downstream packaging system – for example, the BEUMER stretch hood.

Always the right Gripper at Hand
The BEUMER robotpac series palletises and depalletises a wide variety of packaged goods with specially designed gripping systems.

BEUMER Group’s portfolio includes the BEUMER robotpac for palletising different bagged items or unit loads such as cartons, boxes, canisters, trays: a space-saving, fully automatic articulated robot that solves complex palletising and de-palletising challenges reliably and efficiently. The user receives gripping systems suitable for all types of packaged goods, which can be easily exchanged. “Together with our customers we have developed an extensive know-how when it comes to control technology and the development of grippers,” says Baumeister. “We offer different grippers for different tasks.”

The fork gripper was designed for palletising bagged goods and cardboard boxes. It picks up the packaged item from a take-away roller conveyor and secures it using a holding-down device during transport. Once the target position on the pallet has been reached, the gripper opens the fork with a horizontal movement. A push-off plate helps the gripper to place the item gently and accurately. The double fork gripper was also designed for palletising bagged goods and cardboard boxes. It can pick up two packages from the double take-away roller conveyor. Once the first package is placed on the pallet, the BEUMER robotpac lifts the fork up again and drives to the second target. The placement occurs consistently with the first fork’s stacking process. Then the palletiser returns to the pick-up position.

The finger gripper has been developed for bagged goods. It takes the bags from hoist equipment on the take-away roller conveyor and carries it to the target position. Here, the fingers open while the slide plates remain in a closed position. This ensures that the bag is guided along the sides during the stacking process. The double finger gripper is a high-performance tool developed and designed for maximum palletising capacity.

Parallel and Suction Grippers, Combination and Special Tools

The parallel gripper is a special tool for palletising cardboard boxes and other dimensionally stable containers with parallel side walls. The essential components are a fixed plate that functions as a limit stop and a pneumatically activated clamping device that pushes the cardboard box horizontally against the fixed plate.

The gripper is specially designed to handle all items with surfaces that need to be suctioned.

The suction gripper can generally handle any item with a fitting surface. Bagged goods belong to the most frequently palletised products. The head of the suction gripper moves over the product and is then lowered until it seals tightly with the product surface. The vacuum pump starts and creates a vacuum in the suction head. The bag is picked up and transported to the target position. Air is released into the suction head and the bag is released. The suction gripper is used for low palletising capacities.

In addition to these gripping systems, there is a large number of specialty grippers and combination tools. Special tools enable simultaneous processing of secondary tasks, including sheet or empty pallet placement on the conveying systems or barcode reading. “If the needs of the customer are so specific that none of the standard grippers are suitable, we can design a tailor-made system specifically for their requirements,” promises Baumeister. “Virtually any product can be palletised with a robot.”

High Availability and gentle Handling

“The BEUMER robotpac’s built-in ultrasound system measures the exact stacking height. The system calculates the exact placing position for the package and deposits it gently,” describes Baumeister. “The operator gets an optimal configuration of stacks, which serves as a mark of quality for the end customer, and it also ensures high stability during shipping and storage.”

System and Control from one Source

The BEUMER paletpac and the BEUMER robotpac are equipped with the Machine Interface (HMI). Its optimised user interface and navigation makes the operation of the palletisers simple and quick. “The users don’t need to have any robot-specific knowledge to operate the BEUMER robotpac with the HMI,” explains Baumeister. Operators are provided with an easily understandable and intuitive interaction concept, enabling them to define efficient working sequences. This also saves time and money because the operator can control the machine safely, independently of prior skills, training and capabilities. Baumeister gives an example: “Regulated by complex control mechanisms, the BEUMER robotpac can stack packaged goods of variable dimensions on one pallet. You can change the program at the touch of a button.” The items are stacked gently and securely, this ensures optimally packaged load units for safe transportation.

Visit BEUMER Group at POWTECH 2019 in Nuremberg, Germany,  April 9 – 11, 2019, Hall 1, Stand 627

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