Robotic Bottle Depalletizing System

/, Robotic Integration/Robotic Bottle Depalletizing System

 

The Challenge

Midwest Engineered Systems Inc. provided a robotic depalletizing system for Widmer Brothers Brewing

The initial bottle depalletizer was a semi-automatic system. Hand moving cases created a safety problem from repetitive motion and constant twisting. The speed of the line was limited by the existing depalletizing cycle time. Lastly, the incoming pallet loads were being delivered at half height, when full height was desired.

The Solution

After a full evaluation of the project’s challenges and goals, Midwest Engineered Systems provided the customer with a complete solution, which included:

  • KUKA Robot- This robot was chosen because of a ceiling height restriction. The upper layers of the incoming pallet load needed to be moved under a low ceiling beam.
  • Pneumatic Pallet Pusher- The pneumatic pallet pusher extends the pallet load across the rollers to justify the pallet in the direction perpendicular to the conveyor flow.
  • Vacuum Gripper– The robot is equipped with a vacuum gripper that allows the robot to advance over the top of the pallet load and pick the top layer of cases.
  • Layer Separation & Case Conveyor– While the robot is picking a pallet load, the layer separation conveyor advances the layer of cases, one row at a time onto the case conveyor. The case conveyor pulls the case away from the layer separator and puts a gap between each box.
  • Vision System-  As the cases travel down the case conveyor, they pass under a vision system that determines if the cases are short or long side leading. Cases that are incorrectly positioned are then corrected.

Impact to the Customer

The final bottle depalletizing system provided the customer with the following benefits:

  • Higher Quality
  • 20% increase in production
  • Eliminated safety problems of back strains & joint/muscle damage
  • All pallet loads are delivered for palletizing at full height

Statement from Customer

“We are very pleased with the integration by Midwest Engineered Systems using the KUKA robot. They provided a solution that was rejected by two other equipment manufactures because of the difficulty of fitting the system into an extremely limited space. I would certainly use both MWES and KUKA robots in any future packaging automation products.” -Rick G. Director of Engineering, Widmer Brothers Brewing.

About Widmer Brothers Brewing

Craft Brew Alliance (CBA) is an independent, publicly traded craft brewing company that was formed with the merger of leading Pacific Northwest craft brewers – Widmer Brothers Brewing and Redhook Ale Brewery – in 2008. With an eye toward preserving one-of-a-kind beers and brands by giving them an opportunity to shine and grow, CBA was joined by Kona Brewing Company in 2010. When Kurt & Rob Widmer founded Widmer Brothers Brewing in 1984, they didn’t confine their brewing exploration to strict style guidelines. To this day, Widmer Brothers continues to create craft beers with a unique and unconventional twist on traditional styles that are award winning and please a wide range of craft beer lovers.

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