Conveying Apparatus Centering via Concave Deflectors
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Solution Overview
Problem
Conveying apparatuses struggle to reliably center thin and flexible conveying elements, such as conveyor belts, especially at high speeds, due to transverse forces from processing tools, leading to lateral movement and instability.
Innovation Solution
The use of inwardly directed, concave blade edges as deflecting elements at the ends of the conveying sector creates a self-centering effect, while a compression drive with synchronized rollers reduces tension and friction, and additional deflecting elements in the return sector assist in maintaining the conveyor belt's central path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional centering methods (lateral guide plates, wedge strips, tilted rollers) are used, then some centering effect is achieved, but thin and flexible conveying elements cannot be guided sustainably and reliably at high speeds
Solution Approach 1:
The deflecting elements are designed with a concave curvature in the direction of travel, forming a channel-like depression that guides the conveying element. This curved geometry creates a self-centering effect where the conveying element naturally follows the concave path, preventing lateral deviations and jumping off at high speeds.
Solution Approach 2:
The concave deflecting elements create a self-centering mechanism where the conveying element automatically centers itself on the deflecting elements without requiring external control systems or complex mechanical adjustments. The geometry of the deflecting elements guides the conveying element back to the center position whenever lateral deviations occur.
2Power
If conventional drives are used, then the conveying element is driven, but tension and friction increase reducing durability
Solution Approach 1:
The compression drive uses two rollers that can move independently to adapt to the tension variations in the conveying element. The rollers are positioned to apply compressive force that dynamically adjusts to the conveying element's tension state, maintaining optimal driving conditions while minimizing stress on the conveying element.
Solution Approach 2:
The drive system changes the physical parameters of force application by using compression rather than tension-based driving. This parameter change from tensile to compressive force reduces friction and wear on the conveying element, extending its service life while maintaining effective driving capability.
Data Source
AI summary
The invention concerns a conveying apparatus, essentially including an endless conveying element which is guided over several deflecting elements and comprises a conveying sector and a return sector, the conveying sector defining a conveying plane E, a drive for the conveying element and elements for centering the conveying element, which is distinguished by the fact that at least the deflecting elements arranged at opposite ends of the conveying sector are designed as elements for centering the conveying element transversely to the direction of transport T with an inwardly directed shape.