Modular Conveyor Belt With Patterned Friction Zones
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Modular plastic conveyor belts used in incline conveyors struggle to handle polybags effectively due to sliding issues on high-friction surfaces, limiting the steepness of the incline and increasing conveyor footprint.
Innovation Solution
A modular conveyor belt design featuring a repeating pattern of regions with high-friction flat, textured, and low-friction surfaces, where the high-friction regions provide sufficient grip for boxes and the textured surface engages polybags to prevent sliding, while the low-friction area allows for efficient belt operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If high-friction flat surfaces are used on the conveyor belt, then boxes and packages are effectively conveyed, but polybags slide down and cannot be handled on steep inclines
Solution Approach 1:
The conveyor belt is divided into distinct zones with different surface characteristics: high-friction flat regions for boxes, textured regions for polybags, and low-friction transition regions. Each zone is optimized for specific cargo types, allowing the single belt to effectively handle diverse packages including both boxes and polybags without sliding issues
2Area of stationary object
If the incline angle is increased to reduce footprint, then conveyor space efficiency improves, but polybags slide down due to insufficient friction
Solution Approach 1:
The belt surface parameters (friction coefficient, surface texture, hardness) are varied along the incline to match different cargo requirements. Steep inclines can be used because polybags encounter textured high-friction regions that provide adequate grip, while boxes navigate flat high-friction regions, allowing the conveyor to achieve steeper angles without increasing footprint
3Force
If uniform high-friction surfaces are used throughout the belt, then cargo grip is maximized, but polybags still slide and belt operation efficiency decreases
Solution Approach 1:
The conveyor belt is segmented into functional zones: high-friction flat regions for box grip, textured high-friction regions for polybag engagement, and low-friction transition regions between zones. This segmentation allows each section to perform its specific function optimally while maintaining overall system efficiency
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
The belt design effectively conveys both boxes and polybags up an incline by preventing sliding, allowing for steeper inclines and reducing conveyor footprint, ensuring reliable and efficient parcel and mail handling.
Implementation Method 1
first belt modules having a flat top surface made of a first high-friction material having a first hardness durometer
Data Source
Figure 1
Figure 2~3
Figure 4
AI summary
An incline conveyor using a modular conveyor belt with a repeating pattern of belt sections. Each belt section includes a first region with a high-friction flat top surface, a second region with a high-friction textured top surface, a third region between the first and second regions with a recessed low-friction top surface, and a fourth region between consecutive belt sections with a top surface like that of the third region. The textured top surface, which may be formed by a plurality of nodules, provides multiple high-friction catch points to stop polybags from sliding down the inclined conveyor.