Automatic Belt Tracking System for Conveyor Weighing
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Solution Overview
Problem
Belt mis-tracking in conveyor systems used for material transportation and weighing applications can lead to adverse effects on weighing performance and potential belt damage, requiring process shutdowns for correction or replacement.
Innovation Solution
An automatic belt mis-tracking adjustment system utilizing sensors to detect mis-tracking and a motorized pulley adjustment mechanism, controlled by a controller, to correct the belt alignment and maintain optimal operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual belt tracking adjustment is used, then the system is simple in structure, but the system requires process shutdowns and human intervention which reduces productivity
Solution Approach 1:
The belt tracking system automatically adjusts itself using sensors to detect misalignment and motors to correct the belt position on the pulleys, eliminating the need for human intervention and continuous shutdowns while maintaining operational simplicity through autonomous self-correction
Solution Approach 2:
Sensors continuously monitor belt position and provide feedback to the control system, which then activates motors to adjust pulley positions until proper alignment is achieved, creating a closed-loop system that maintains optimal belt tracking without human intervention
2Reliability
If automatic sensing and adjustment system is implemented, then continuous operation is maintained, but the device complexity increases with sensors and motors
Solution Approach 1:
The system performs self-diagnosis and self-correction by using sensors to detect belt misalignment and automatically activating motors to adjust pulley positions, ensuring reliable continuous operation without requiring external monitoring or manual intervention
Solution Approach 2:
The system dynamically adjusts pulley positions in real-time based on sensor feedback, allowing the belt tracking mechanism to adapt to changing operational conditions and maintain optimal alignment throughout continuous operation
3Ease of manufacture
If belt mis-tracking is not corrected promptly, then system simplicity is maintained, but belt damage occurs and weighing precision deteriorates
Solution Approach 1:
Sensors continuously monitor belt position and provide immediate feedback when misalignment begins to occur, triggering automatic motor-driven pulley adjustments that prevent belt damage and maintain weighing accuracy without requiring complex manual intervention systems
Data Source
AI summary
In an aspect of the present invention, a system and method are provided that detect belt mis-tracking and in response, automatically adjusts. In some implementations, the system and method are implemented in conjunction with a weigh feeder or weigh belt. In other implementations, the system and method are implemented in conjunction with other devices that convey material via one or more belts. The system and method can be implemented by providing one or more sensors that detect belt mis-tracking, a motor for adjusting a belt pulley and one or more controllers that operate the motor in response to signals from the one or more sensors.