Flexible Label Applying Arm for Offset Item Orientation
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Solution Overview
Problem
Existing label applicators struggle to effectively apply labels to items that are offset from the expected orientation, which can lead to inefficient labeling processes in material handling systems.
Innovation Solution
A label applying system featuring a pivotable, flexible elongated label applying arm that bends to contact items, allowing for precise label application even when items are not in the expected orientation, utilizing a motor-driven mechanism and a label print unit to position and apply labels accurately.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a rigid label applying arm is used, then the structure is simple and stable, but it cannot adapt to items with varying orientations
Solution Approach 1:
The label applying arm is constructed with a flexible structure that can bend and conform to items of varying orientations. The arm incorporates flexible materials or mechanisms that allow it to adapt its shape while maintaining structural integrity, enabling contact with items whether they are properly oriented or offset.
Solution Approach 2:
The label applying arm transitions from a static rigid structure to a dynamic flexible one that can change its configuration during operation. The arm bends and flexes during the labeling process to accommodate different item positions, then returns to its original position for the next cycle.
2Adaptability or versatility
If the label applying arm is made flexible to adapt to offset items, then adaptability improves, but the arm may lack stability and precision
Solution Approach 1:
Different portions of the label applying arm have different properties - the root portion near the pivot is more rigid for stability and precise positioning, while the distal portion where contact occurs is more flexible for adapting to item orientation. This gradient in flexibility allows the arm to maintain reliability while achieving adaptability.
Solution Approach 2:
The label applying arm is divided into segments with different flexibility characteristics. The proximal segment provides structural stability and positioning accuracy, while the distal segment provides flexibility for contact adaptation, allowing the system to achieve both reliability and adaptability simultaneously.
3Productivity
If the label applying arm contacts offset items, then labeling coverage is improved, but the contact force may be insufficient for proper label adhesion
Solution Approach 1:
The label applying arm incorporates curved or tapered geometry that allows it to bend along a controlled path when contacting offset items. This curvature enables the arm to maintain optimal contact force distribution across the label application surface, ensuring adequate pressing force even when items are not perfectly positioned.
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
Enables reliable and efficient label application to items moving along a conveyance path, regardless of orientation, by ensuring the label is pressed firmly onto the item, facilitating accurate identification and routing in material handling systems.
Implementation Method 1
The elongated label applying arm is configured to be sufficiently flexible such that at least a label carrying portion of the elongated label applying arm bends, as it moves into contact with the item, for pressing a label against the item
Data Source
AI summary
A label applying system includes a conveyance path for moving an item in a conveyance direction, and a label applicator With an elongated label applying arm pivotably moveable between a label load position spaced away from the item and a label apply position in which a free end of the elongated label applying arm is moved into contact with the item. The elongated label applying arm is configured to be sufficiently flexible such that at least a label carrying portion of the elongated label applying arm bends, as it moves into contact with the item, for pressing a label against the item.