Modular Conveyor Belt Lateral Channels Debris Management
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Solution Overview
Problem
Modular plastic conveyor belts in the meat and poultry industries face challenges in cleaning the hinge joints and drive structure due to accumulation of fats, dirt, and debris, as debris often drains back into these areas during the belt's return, especially on belts with continuous structures and limited open areas.
Innovation Solution
The design incorporates a contoured surface with lateral depressions and ridges on the conveyor belt modules to form channels that guide liquids and debris laterally across the belt, preventing them from entering hinge joints, and features a hinge structure that allows easy access for inspection and cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a continuous structure conveyor belt is used, then the belt provides structural integrity and stability, but debris and cleaning fluids drain back into hinge joints during the return cycle
Solution Approach 1:
The conveyor belt is divided into modular segments with individual modules that can be assembled in rows. This segmentation allows the incorporation of lateral channels within each module that guide fluids and debris away from hinge joints, while the modular construction maintains overall structural integrity through the interlocking hinge eye design.
Solution Approach 2:
The underside of each belt module features localized contoured surfaces with lateral channels positioned specifically to intercept and redirect fluids and debris away from hinge joints. This local modification of the surface geometry provides targeted drainage functionality without compromising the overall structural integrity of the belt.
2Ease of manufacture
If water sprays are directed at the underside of the belt during cleaning, then cleaning effectiveness is improved, but debris drains back into hinge joints on the returnway
Solution Approach 1:
The contoured surfaces and lateral channels are pre-formed as integral features of each belt module during manufacturing. This preliminary structuring ensures that when cleaning fluids are applied, they are automatically guided away from hinge joints through the pre-designed drainage paths, preventing debris re-entry without requiring additional cleaning mechanisms.
Solution Approach 2:
The lateral channels, which could be seen as additional structural complexity, actually serve to convert the harmful effect of fluid drainage into a beneficial cleaning function by directing fluids and debris away from hinge joints and toward discharge points, thereby improving sanitation while maintaining structural integrity.
3Strength
If the belt has little open area and a generally continuous structure, then structural stability is maintained, but cleaning access and debris removal become difficult
Solution Approach 1:
The cleaning and debris removal function is achieved by adding a lateral dimension to fluid management through contoured surfaces and side channels on the underside of each module. This dimensional approach allows fluids to be directed laterally along the belt width toward edges, providing effective cleaning access without requiring significant changes to the top-view continuous structure.
Solution Approach 2:
The lateral channels act as intermediary pathways that mediate between the cleaning spray application and the final debris discharge. These channels intercept fluids and debris, guide them along controlled paths, and deliver them to discharge points at the belt edges, thereby facilitating cleaning accessibility while preserving the continuous structural appearance.
Data Source
AI summary
An easy-to-clean conveyor belt constructed of a series of rows of belt modules having lateral depressions forming channels across the width of the belt along which water can be sprayed to flush debris off the side edge of the belt. Lateral ridges between the depressions and hinge eyes at the ends of each module serve as levees that prevent debris being flushed through the channels from draining into hinge joints between consecutive belt rows.