Configurable Conveyor Roller Zones for Variable-Length Object Flow
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Solution Overview
Problem
Conveyor systems with rigidly defined zones face inefficiencies due to reduced conveyor capacity and less-than-optimal throughput, particularly when handling objects of different lengths, as they require objects to travel the full zone length before others can progress, leading to downtime and reduced occupancy.
Innovation Solution
A conveyor assembly with a motor-driven roller system that dynamically adjusts between single-zone and dual-zone configurations based on object length, using clutch-activated bearing elements to independently control leading and trailing idler rollers, allowing for reduced zone lengths and increased object occupancy and throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conveyor zones are rigidly defined with fixed lengths, then the conveyor system maintains simple control structure, but the conveyor capacity and throughput are reduced when handling objects of different lengths
Solution Approach 1:
The conveyor system dynamically adjusts zone definitions and lengths based on detected object characteristics. The controller receives object data from imaging devices and reconfigures conveyor zones in real-time, transforming fixed rigid zones into dynamic adaptive zones that optimize throughput for different object lengths while maintaining manageable control through automated adjustment.
Solution Approach 2:
The system changes operational parameters (zone lengths, boundary positions, operational states) based on object characteristics. By varying these parameters dynamically rather than maintaining fixed values, the conveyor achieves higher capacity for diverse objects while the automated parameter adjustment keeps control complexity manageable.
2Productivity
If conveyor zones are extended to full length to accommodate longest objects, then all objects can be transported, but shorter objects experience increased wait times and reduced occupancy
Solution Approach 1:
Conveyor zones dynamically adjust their lengths and boundaries based on actual object dimensions rather than maintaining fixed maximum lengths. This dynamic reconfiguration allows shorter objects to travel through appropriately sized zones, minimizing their wait times and maximizing conveyor occupancy and throughput.
Solution Approach 2:
The conveyor system segments the transport path into multiple adjustable zones that can be independently configured. By dividing the conveyor into configurable segments rather than a single fixed zone, the system optimizes travel distances for different object lengths, reducing wait times while maintaining continuous flow.
3Productivity
If conveyor zones are shortened to reduce wait times, then throughput improves, but the conveyor cannot accommodate longer objects
Solution Approach 1:
The conveyor zones are designed to be dynamically reconfigurable, allowing their lengths and boundaries to change based on detected object characteristics. This enables the same physical conveyor to accommodate both short and long objects by adjusting zone parameters in real-time, maintaining versatility while optimizing throughput for each object type.
Solution Approach 2:
The conveyor system achieves multi-functionality by using a single configurable zone structure that can adapt to handle various object lengths. Rather than requiring separate fixed zones for different object types, the universal configurable zone design allows one system to serve multiple functions, accommodating diverse objects while maintaining high throughput.
4Ease of operation
If a single drive roller controls the entire conveyor section, then the system structure remains simple, but selective independent control of different zones is not possible
Solution Approach 1:
The drive mechanism is segmented into multiple independently controllable drive rollers, each capable of controlling specific conveyor zones. This segmentation enables selective independent control of different zones while the modular nature of having multiple standardized drive rollers keeps the overall system complexity manageable through repetition of proven components.
Solution Approach 2:
The system transitions from static single-zone control to dynamic multi-zone independent control. By implementing multiple drive rollers that can be selectively activated based on object characteristics, the system achieves flexible selective control while the automated decision-making process keeps operational complexity manageable.
Data Source
AI summary
Various embodiments are directed to a conveyor assembly and method of using the same. In various embodiments, a conveyor assembly may comprise a plurality of rollers defining a conveyor section configured for transporting one or more objects disposed thereon along a transportation path, wherein the plurality of rollers comprises a drive roller, the drive roller being selectively configurable between a first operating condition and a second operating condition; and a controller configured to generate one or more control signals to control the drive roller; wherein the conveyor section is selectively configurable between a single-zone configuration and a dual-zone configuration based on the configuration of the drive roller in one of the first operating condition and the second operating condition, the dual-zone configuration being defined by the drive roller selectively driving operation of a first conveyor zone and a second conveyor zone defined within the conveyor section independently of one another.