Junction Conveyor Belt Tracking and Vibration Control
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Solution Overview
Problem
Conventional belt conveyor systems for distributing and sorting articles are prone to damaging fragile items, have complex mechanical components that wear out easily, and operate noisily at high speeds, lacking modularity and adaptability for different configurations.
Innovation Solution
A belt conveyor system with a junction conveyor design featuring a stationary and switching end, a counter movement unit that synchronizes the movement of conveyor assemblies, and a pulley system with grooved-step profiles to maintain belt tracking, reducing vibration and noise, and allowing for smooth operation at high speeds with fewer components and modular design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If diverters with push-arms are used to distribute articles, then articles can be moved to branch conveyors, but fragile articles may be damaged due to impact and smaller articles may be caught or wedged
Solution Approach 1:
The patent removes the harmful push-arm component entirely and replaces it with a belt-based distribution mechanism. The belt conveyor system uses the belt itself to gently guide and distribute articles to branch conveyors, eliminating the impact damage and wedging problems caused by traditional push-arms.
Solution Approach 2:
The belt acts as an intermediary medium between the main conveyor and branch conveyors. Instead of using direct mechanical push-arms, the belt gently transfers articles to branch conveyors through its movement and configuration, providing a cushioned and controlled transfer that prevents damage.
2Ease of operation
If pneumatic cylinders and rods are used to pivot the transport surface, then the movable conveyor can be actuated, but the system becomes mechanically complex with many components subject to wear and tear
Solution Approach 1:
The patent removes complex pneumatic actuation systems and replaces them with a simpler belt-based mechanism. The belt conveyor uses the natural movement and tension of the belt itself to achieve positioning and pivoting, eliminating the need for pneumatic cylinders, rods, and associated control systems.
Solution Approach 2:
The patent replaces complex mechanical-pneumatic actuation systems with a more simple mechanical belt system. The belt's flexibility and tension properties allow it to perform positioning functions without requiring complex actuators, reducing the number of components subject to wear.
3Ease of operation
If AC drive motors and transmission mechanisms are used to pivot the transport surface, then the conveyor can be controlled, but the system becomes mechanically complex with many components subject to wear and tear
Solution Approach 1:
The patent removes complex AC drive motors and transmission mechanisms and replaces them with a simpler belt-driven system. The belt conveyor uses direct belt movement and tension control to achieve positioning, eliminating the need for motors, transmissions, and associated mechanical components.
Solution Approach 2:
The patent replaces motor-transmission mechanical systems with a pure belt-based mechanical system. The belt's inherent flexibility and tension properties enable positioning functions without requiring powered actuators or transmission mechanisms, significantly reducing component complexity and wear.
4Productivity
If conveyors operate at high speeds to increase throughput, then productivity increases, but equipment vibration increases, wear and tear increases, and noise levels increase
Solution Approach 1:
The patent changes the operational parameters of the belt system to optimize high-speed operation. By adjusting belt tension, speed, and configuration parameters, the system achieves high throughput while minimizing vibration and noise. The belt's flexible nature allows it to absorb vibrations that would otherwise be transmitted through rigid mechanical components.
Data Source
AI summary
A junction conveyor is disclosed. The junction conveyor includes a stationary end and a switching end. A stationary assembly is disposed at the stationary end and a switching conveyor assembly disposed at the switching end. The junction conveyor includes a counter conveyor assembly between the stationary and switching conveyor assemblies. The junction conveyor includes a counter movement unit. The counter movement unit causes the counter conveyor assembly to move in an opposite direction as the switching conveyor assembly during switching from a home position to a switch position.