Sleeve Detection Using Height Profile Sensors
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Solution Overview
Problem
Automated tray unsleever systems fail to remove sleeves from trays 100% due to damage, wear, or improper alignment, leading to inefficiencies and additional manual work, as well as the need for sorting trays based on sleeved or unsleeved status for proper processing.
Innovation Solution
A sleeve detection system using a conveyor with height profile sensors and a processor to determine the tray's sleeve status, routing trays to appropriate destinations based on whether a sleeve is present, and integrating with existing trayline systems for sorting and processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated tray unsleever systems are used to remove sleeves from trays, then productivity is improved, but reliability deteriorates because they fail to remove sleeves 100% due to damage, wear, or improper alignment
Solution Approach 1:
The system performs preliminary detection of sleeve presence and status before the automated removal process. By detecting whether a sleeve is present, its position, and its condition (damaged, worn, or properly aligned) in advance, the system can prepare appropriate removal parameters and alert operators to potential issues before the removal process begins, thereby improving both productivity and reliability.
Solution Approach 2:
The system incorporates feedback mechanisms where height profile sensors continuously monitor the tray and sleeve status during the conveyance process. This real-time feedback allows the system to adjust removal parameters dynamically and notify operators when sleeves are damaged or misaligned, ensuring reliable removal while maintaining high processing speed.
2Productivity
If automated sleeve removal is implemented, then productivity increases, but device complexity increases due to additional sensors and sorting mechanisms
Solution Approach 1:
The height profile sensor serves multiple functions: it detects the presence of trays, measures sleeve height profiles, determines sleeve status (present/absent, damaged/worn), and provides data for sorting decisions. This multi-functionality reduces the need for separate dedicated sensors for each function, thereby increasing productivity while controlling device complexity.
Solution Approach 2:
The system replaces complex mechanical inspection and sorting mechanisms with optical/electronic height profile sensing and automated conveyor routing. Instead of using mechanical devices to physically inspect each tray and manually sort them, the system uses sensors to detect sleeve status and electronically controls the conveyor to route trays to appropriate destinations, improving productivity while reducing overall system complexity.
3Reliability
If manual inspection and sorting of trays is performed, then reliability improves, but productivity decreases due to additional manual work
Solution Approach 1:
The system enables trays to essentially inspect themselves through the height profile sensors that automatically detect sleeve presence and status as trays pass through the conveyance system. This self-detection eliminates the need for manual inspection while maintaining high reliability, thereby improving productivity without sacrificing accuracy.
Solution Approach 2:
The system substitutes manual inspection mechanisms with automated height profile sensing and electronic detection systems. This replacement allows for continuous, high-speed detection of sleeve status without human intervention, thereby improving productivity while maintaining the reliability of accurate detection through sophisticated sensing technology.
4Productivity
If trays are sorted based on sleeve status, then productivity improves by directing trays to correct processing paths, but device complexity increases due to junction devices and routing systems
Solution Approach 1:
The conveyor routing system uses dynamic control where junction devices can be directed to different paths based on real-time sleeve status detection. The system can adaptively route trays to appropriate processing destinations (e.g., sleeved trays to one path, unsleeved trays to another) based on the detected conditions, improving productivity through efficient sorting while managing complexity through programmable control rather than fixed mechanical configurations.
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
Accurately detects sleeves regardless of fit or condition, improving trayline efficiency by diverting sleeved and unsleeved trays to correct processing paths, reducing manual intervention and operational inefficiencies.
Implementation Method 1
the at least one height profile sensor comprises at least one optical profile sensor
Implementation Method 2
the at least one height profile sensor comprises at least one ultrasonic profile sensor
Implementation Method 3
the tray detector comprises a light gate
Data Source
AI summary
A device, system, and method for detecting a covering sleeve on a container. A sleeve detection system includes a conveyor, a height profile acquisition device, and a processor in communication with the height profile acquisition device. The height profile acquisition device is configured to acquire height profiles of a tray traveling on the conveyor. The processor is configured to analyze height profiles received from the height profile acquisition device to determine a sleeve status of the tray. In some embodiments, a light gate is disposed across the conveyor and configured to detect the presence of a tray on the conveyor approaching the height profile acquisition device.