Sequential Diverter for Narrow Belt Conveyor
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Solution Overview
Problem
Narrow belt conveyor systems face limitations in increasing throughput rate due to the size of diverter units, which restrict the minimum gap between conveyed articles, limiting the ability to reduce spacing and maximize handling capacity.
Innovation Solution
A pop-up style diverter with independently raising and lowering rows of wheels allows for reduced spacing between articles by synchronizing the movement of each row with the conveyor belt's position, enabling precise timing of wheel activation to minimize gaps and enhance throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If all diverter wheels are mounted on a common frame and raised/lowered in unison, then the diverter structure is simple, but the minimum gap between conveyed articles must be greater than the distance across all rows of wheels, limiting throughput rate
Solution Approach 1:
The diverter wheels are divided into multiple rows, with each row mounted on a separate bracket that can be raised and lowered independently. This segmentation allows each row to be activated only when needed for a specific article, rather than requiring all rows to be raised simultaneously, thereby reducing the minimum gap between conveyed articles and increasing throughput rate
2Productivity
If the gap between conveyed articles is reduced to maximize throughput rate, then productivity increases, but the trailing edge of the first article must completely clear the diverter section before the leading edge of the next article arrives, which is limited by the size of the diverter unit
Solution Approach 1:
The diverter system transitions from a static configuration where all wheels are fixed in position to a dynamic configuration where each row of wheels can be independently raised and lowered. This dynamic adjustment allows the diverter to adapt its effective size based on the timing and positioning of individual articles, enabling reduced gaps between conveyed articles while maintaining proper diversion functionality
3Productivity
If conveyor speed is increased to increase throughput rate, then productivity improves, but the gap between articles must still accommodate the diverter unit size, limiting further increases
Solution Approach 1:
The system uses sensors to detect articles in advance and activates the appropriate diverter rows just before the articles reach them. This preliminary action allows the diverter to be ready when needed while remaining compact, enabling the conveyor to operate at higher speeds with reduced gaps between articles without requiring the entire diverter unit to be continuously in position
Data Source
AI summary
A narrow belt conveyor system is provided with a pop-up style diverter comprising a plurality of rows of diverter wheels in which each row raises and lowers independently of any of the other rows. Thus, each row of diverter wheels can be raised before the leading edge of a conveyed article reaches that particular row of diverter wheels and lowered after the trailing edge of the conveyed article has cleared that row. This permits the spacing between the articles to be greatly reduced, greatly increasing the article throughput rate and/or reducing the conveyor speed while achieving the same throughput rate.