Conveyor Belt Rollers with Dual-Surface Design for Wear Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conveyor belts with fixed, stacked rollers experience wear-related deterioration in contact, leading to reduced efficiency in propelling objects rearward, as the forward rotation of the bottom roller causes opposite rotation of the top roller, resulting in decreased friction and effectiveness over time.
Innovation Solution
A conveyor belt design featuring top and bottom rollers mounted on parallel axes, with the top roller having a periphery divided into high-friction and durable surfaces, ensuring consistent contact and rotation direction, and incorporating modular cavities to house the rollers, allowing for efficient object displacement and diversion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the bottom roller contacts the top roller to propel objects rearward, then the conveyor belt can displace objects effectively, but wear between the rollers deteriorates contact and reduces efficiency over time
Solution Approach 1:
The top roller is designed with different surface properties at different locations: the peripheral surface that contacts the bottom roller is made of a durable, wear-resistant material, while the opposite peripheral surface has a high-friction coating for gripping objects. This local differentiation allows the contact surface to maintain consistent contact despite wear, resolving the contradiction between productivity and reliability.
Solution Approach 2:
The top roller employs a composite structure with two different materials: a durable base material for the contact surface and a high-friction coating material for the object-gripping surface. This composite approach enables the roller to simultaneously achieve wear resistance for reliable contact and high friction for effective object propulsion.
2Productivity
If the top roller has a high-friction surface to grip objects, then object propulsion is effective, but the surface wears quickly reducing friction and effectiveness
Solution Approach 1:
The high-friction coating is applied only to the peripheral surface that contacts objects, while the opposite surface maintains a durable base material. This localized application ensures that the high-friction property exists where needed for propulsion, while the durable material protects against wear, extending the duration of effective operation.
Solution Approach 2:
The high-friction coating is designed as a consumable layer that can wear over time but can be replaced or the roller can be re-coated, allowing the expensive durable roller body to be preserved while the cheaper coating absorbs the wear, extending overall system life.
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 solution enhances the conveyor belt's ability to displace objects with high diverting angles and maintain efficiency by reducing wear and slip, enabling effective rearward propulsion and transverse diversion of objects without significant forward or rearward movement relative to the belt.
Implementation Method 1
The top roller has a periphery divided into a high-friction peripheral surface and a durable peripheral surface. The bottom roller contacts the durable peripheral surface of the top roller so that driving the bottom roller in a first direction causes rotation of the top roller in an opposite second direction.
Data Source
AI summary
A conveyor belt and a belt module having multiple roller sets, each roller set including a bottom roller in contact with an axially elongated two-material top roller. The periphery of the top roller has a high-friction peripheral surface separated by a central durable, low-friction peripheral surface in contact with the bottom roller. Driving the bottom roller in a first direction causes rotation of the top roller in an opposite angular direction.