Sorting Station with Vertical Buffer Lines for Operator Workspace
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Solution Overview
Problem
Conventional sorting stations face challenges in securing a wide space around the work location for operators due to the installation of storage shelves and main conveyors at the same level, restricting space and storage capacity, especially with increased shipment volumes.
Innovation Solution
A sorting station design featuring a lower buffer line with a loop-shaped conveyance path and an upper buffer line above it, connected by a lifter, allowing separate storage and vertical conveyance of items, with the work location positioned differently from the main conveyor, and incorporating a U-shaped conveyance path to optimize space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the main conveyor is installed at the same level as the work location, then the structure is simple, but the space around the work location is restricted
Solution Approach 1:
The patent applies vertical dimensionality change by positioning the main conveyor at a different elevation level than the work location. The buffer line connects these different levels through vertical transitions, allowing the work location to have unrestricted horizontal space while maintaining an integrated conveyor system structure.
2Quantity of substance
If more storage shelves are added around the work location, then the storage capacity increases, but the space requirement increases
Solution Approach 1:
The patent utilizes vertical space by implementing buffer lines at multiple elevation levels. The upper buffer line and lower buffer line are positioned at different heights, allowing storage capacity to increase without expanding the horizontal footprint around the work location.
Solution Approach 2:
The conveyor system is nested within the vertical space structure. The buffer lines are arranged such that the upper buffer line is positioned above the lower buffer line, with the lifter mechanism enabling vertical transitions, effectively nesting storage and conveyance functions within a compact vertical envelope.
3Area of stationary object
If the buffer line is positioned at a different level from the main conveyor, then the space around the work location is secured, but the conveyance system becomes more complex
Solution Approach 1:
The lifter mechanism serves as an intermediary device that enables vertical transitions between the buffer line and the main conveyor. This intermediary component allows the conveyance system to operate at different elevation levels while maintaining functional integration, balancing space requirements with system complexity.
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
Secures a wide space around the work location and enhances storage capacity while preventing space restriction by the main conveyor, improving throughput and reducing conveyance time through simultaneous operations.
Implementation Method 1
a lifter to convey the conveyed item in a vertical direction to allow the conveyed item to be passed between the first conveyance path and the second conveyance path
Data Source
AI summary
A sorting station where sorting work is performed by an operator on a conveyed item includes a lower buffer line including a first conveyance path to convey the conveyed item in one direction and including a work location where the operator performs sorting work, an upper buffer line including a second conveyance path above the first conveyance and including ends connected to a main conveyor to convey the conveyed item in one direction between the ends, the upper buffer line being above the first conveyance path, and a lifter to convey the conveyed item in a vertical direction to allow the conveyed item to be passed between the first conveyance path and the second conveyance path.