Conveyor Lanes with Height Windows for Package Sorting
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Solution Overview
Problem
Parcel distribution centers face challenges in efficiently sorting packages of varying sizes, as existing systems struggle to accurately separate and align packages based on size for further processing.
Innovation Solution
A conveyor system with alignment members that create windows of varying heights along the conveyor segment, allowing packages to be laterally shifted and sorted into different lanes based on their size, enabling efficient separation and alignment of packages by size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If packages are sorted by size using traditional methods, then sorting accuracy is improved, but device complexity and processing time increase
Solution Approach 1:
The conveyor system is divided into multiple lanes with alignment members creating windows of different heights. Each lane handles packages of specific size ranges, segmenting the sorting task into simpler sub-tasks that can be processed independently and simultaneously.
Solution Approach 2:
The system uses lateral shifting to move packages between lanes, adding a lateral dimension to the sorting process. Packages are shifted sideways through windows of appropriate heights rather than requiring complex vertical or rotational maneuvers, simplifying the sorting mechanism.
2Measurement precision
If packages are sorted by size using traditional methods, then sorting accuracy is improved, but processing speed decreases
Solution Approach 1:
Multiple conveyor lanes process different size groups of packages simultaneously, allowing parallel processing. This segmentation enables the system to maintain high sorting accuracy while increasing overall throughput by handling multiple packages at the same time.
Solution Approach 2:
The conveyor system operates continuously with packages flowing steadily through the sorting mechanism. The lateral shifting and alignment processes occur in a continuous manner without stopping or reversing, maintaining both accuracy and speed.
3Productivity
If packages are laterally shifted across conveyor lanes, then sorting efficiency is improved, but package alignment precision may deteriorate
Solution Approach 1:
Alignment members with precisely engineered windows act as intermediaries between the lateral shifting process and the final package positioning. These windows guide packages into correct alignment as they transition between lanes, ensuring that efficiency gains from lateral shifting do not compromise alignment precision.
Solution Approach 2:
Different sections of the conveyor system have specialized functions: some areas facilitate lateral shifting for efficiency, while alignment members in critical zones provide precise positioning. Each local area is optimized for its specific function, maintaining both overall efficiency and local alignment precision.
Data Source
AI summary
A system for separating packages of different sizes includes a conveyor segment and a plurality of alignment members dividing the conveyor segment into a plurality of conveyor lanes. The conveyor segment has an input end, a discharge end and transport mechanism for transporting packages from the input end to the discharge end. The transport mechanism is configured to impart a lateral shift to packages on the conveyor segment. One or more of the alignment members each forms a respective window to allow lateral shifting of packages across adjacent conveyor lanes. Each window has a uniquely defined vertical height to the limit lateral shifting of packages across adjacent conveyor lanes based on a height of each package. Each conveyor lane delivers packages of a uniquely different size group at the discharge end of the conveyor segment. The packages in a conveyor lane are aligned against a respective alignment member.