Conditioning Belt Shape Restoration for Barcode Scanning
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Solution Overview
Problem
In material handling environments, items become misshapen after being picked by robots, leading to unreadable barcodes and shipping labels due to distortion, which hinders successful scanning and handling.
Innovation Solution
An item conditioning assembly with a support frame and a conditioning belt suspended over a conveyor, where the belt is held at different tensions to gently compress and restore items to their natural shape, allowing for readable barcodes and labels, with adjustable tension and height based on item type and size, using sensors like cameras or LIDAR for automatic adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If items are handled by packet picking robots, then material handling productivity is improved, but items become misshapen and barcodes become unreadable
Solution Approach 1:
The conditioning belt applies compression to items before they reach the barcode scanning station, restoring their shape proactively. This preliminary action prevents the barcode reading issue from occurring in the first place, rather than detecting and correcting it after the fact.
Solution Approach 2:
The conditioning belt acts as an intermediary device between the packet picking robot and the barcode scanner. It temporarily holds and reshapes items, mediating the transition from distorted to proper shape so that barcodes can be successfully scanned.
2Shape
If conditioning belt tension is increased to restore item shape, then item shape restoration is improved, but risk of item damage increases
Solution Approach 1:
The conditioning belt system uses variable tension control, adjusting the belt tension dynamically based on item characteristics. Sensors detect item properties and the system adapts the compression force accordingly, using higher tension for rigid items that need strong compression and lower tension for fragile items to prevent damage.
Solution Approach 2:
The system changes the tension parameter of the conditioning belt based on detected item properties. By adjusting this physical parameter dynamically, the system optimizes shape restoration effectiveness while minimizing the risk of damaging different types of items.
3Adaptability or versatility
If conditioning belt is made adjustable for different item types, then adaptability to different items is improved, but device complexity increases
Solution Approach 1:
The conditioning assembly incorporates sensors (cameras or LIDAR) that automatically detect item characteristics and the system self-adjusts the conditioning belt tension and positioning accordingly. This automated feedback control eliminates the need for manual adjustment mechanisms, reducing mechanical complexity while maintaining high adaptability to different item types.
Solution Approach 2:
The system uses sensors to detect item properties and feeds this information back to the tension control mechanism. This closed-loop feedback system automatically adjusts the conditioning parameters based on real-time item characteristics, providing adaptability without requiring complex manual adjustment mechanisms.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Effectively conditions items to restore their shape and ensure readable barcodes, improving scanning success rates and handling efficiency in material handling systems.
Implementation Method 1
the conditioning belt is at a predetermined tension such that the conditioning belt suspends from the second conveyor and contacts a portion of the item
Data Source
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AI summary
Various example embodiments described herein relate to an item conditioning assembly, which includes a support frame and a conditioning belt supported by the support frame so that a first portion of the conditioning belt is supported by the support frame at a first tension and a second portion of the conditioning belt is supported by the support frame at a second tension relatively lower than the first tension. The second portion of the conditioning belt can be suspended over a conveyor such that an item received between the conditioning belt and the conveyor, enters in an unconditioned state and is released in a conditioned state.