Unidirectional Flow Channel Picking Station
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Solution Overview
Problem
Conventional picking stations have low picking performance due to ergonomic issues, limited capacity for slow-moving items, and increased acquisition and control costs, as they require manual handling and bidirectional flow channels, which complicate safety and material flow management.
Innovation Solution
A picking station that operates with unidirectional flow channels, allowing for automated material flow and buffering of multiple slow-moving storage containers, eliminating the need for manual pushing and lifting, and using powered conveyor systems to enhance ergonomics and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If bidirectional flow channels are used for slow-moving items, then manual pushing back is possible, but picking performance is limited and control complexity increases
Solution Approach 1:
The patent inverts the conventional bidirectional flow channel design by implementing unidirectional flow channels with automated container transport. Instead of manually pushing containers back against gravity, the system uses automated mechanisms to transport containers in one direction, eliminating the need for bidirectional operation and improving picking performance.
Solution Approach 2:
The patent replaces the manual mechanical pushing action with automated transport mechanisms. The mechanical system that required human intervention to push containers back is substituted with automated conveyor or transport systems that move containers unidirectionally, reducing control complexity and improving productivity.
2Extent of automation
If unidirectional flow channels are used, then automated material flow is enabled, but buffering capacity for slow-moving items is reduced
Solution Approach 1:
The patent resolves the contradiction by adding spatial dimensions to the system design. Multiple unidirectional flow channels are arranged in parallel, and automated storage systems provide buffering capacity in additional spatial dimensions, allowing automated material flow while maintaining sufficient buffering capacity for slow-moving items.
Solution Approach 2:
The patent segments the flow channel system into multiple unidirectional channels, each handling specific item types. This segmentation allows automated material flow in each channel while the collective system provides adequate buffering capacity through distributed storage locations and parallel channel operation.
3Device complexity
If manual handling is required for container exchange, then system complexity is reduced, but ergonomic strain increases
Solution Approach 1:
The patent implements self-service automation where the system automatically handles container exchange, transport, and positioning without requiring manual handling operations. This eliminates ergonomic strain on workers while the standardized automated mechanisms keep system complexity manageable through routine, repeatable operations.
Data Source
Figure 1
Figure 2A~2B
Figure 3A~3C
AI summary
Order-picking location (12) for the manual picking of articles (16) from storage containers (18) into at least one order container (20) in accordance with a picking order which may consist of a plurality of different articles (16), the order-picking location having a multiplicity of channels (28).