Segmented Impact Ring Liner for Faster Dehulling Maintenance
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Solution Overview
Problem
Existing dehulling devices face challenges with the wear and disposal of impact rings, which require manual removal and replacement due to polymer layer degradation, leading to inefficiency and environmental impact.
Innovation Solution
A detachable polymer layer on the impact ring, divided into segments and secured by fastening elements, allows for easy replacement without removing the entire ring, combined with sensor monitoring for timely wear detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the polymer layer is attached to the impact ring by adhesive, then the polymer layer remains fixed during operation, but the adhesive residue prevents reuse of the metal ring after polymer layer replacement
Solution Approach 1:
The invention extracts the polymer layer from the metal ring by using a detachable fastening system instead of permanent adhesive bonding. The polymer layer is mounted on a separate carrier that can be removed from the metal ring, allowing the metal ring to be reused while the worn polymer layer is discarded. This resolves the contradiction by separating the permanent attachment function from the reusable component.
Solution Approach 2:
The impact ring system is segmented into three separate components: the metal ring, the carrier with fastening elements, and the polymer layer. This segmentation allows each component to be optimized independently and enables selective replacement of only the worn polymer layer while retaining the reusable metal ring and carrier, thus resolving the reusability issue.
2Reliability
If the entire impact ring is removed for polymer layer replacement, then complete inspection and maintenance is possible, but significant time and effort are required due to the weight and size of the impact ring
Solution Approach 1:
The system is divided into the heavy metal ring that remains installed and the lighter carrier-polymer assembly that is removed and replaced. This segmentation allows maintenance to be performed on the lighter components while the heavy metal ring stays in place, significantly reducing the time and effort required for replacement while still enabling complete inspection of the polymer layer condition.
Solution Approach 2:
The polymer layer and its carrier are extracted as a separate removable assembly from the metal ring. This allows the polymer layer to be replaced without removing the heavy metal ring from the device, reducing downtime and making the replacement process more manageable for a single operator.
3Area of stationary object
If a single thick polymer layer is used, then complete coverage of the inner surface is achieved, but the layer cannot be partially replaced when only certain sections are worn
Solution Approach 1:
The polymer layer is divided into multiple separate segments that can be independently removed and replaced. Each segment is mounted on the carrier and can be replaced individually when worn, allowing selective maintenance of only the affected areas while retaining intact polymer segments, thus improving repair efficiency.
4Strength
If the impact ring is made of metal with polymer coating, then structural strength is provided, but the significant weight makes handling and replacement burdensome
Solution Approach 1:
The impact ring system is segmented into the heavy metal ring that provides structural strength and remains installed, and the lighter carrier-polymer assembly that is removed and replaced. This segmentation allows the heavy metal component to stay in place providing structural support, while only the lighter polymer-containing components are handled during maintenance, reducing the effective weight burden during replacement operations.
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
Facilitates efficient and eco-friendly maintenance by reducing downtime and waste, while preventing damage to the dehulled goods by ensuring timely polymer layer replacement.
Implementation Method 1
layers of rubber-like polymer material are better suited for dehulling granular material than abrasive non-elastic surfaces (such as metal surfaces), as the latter damage the material to be dehulled more than elastic materials
Implementation Method 2
the grains are driven through the passage openings due to the centrifugal force and hurled against impact plates
Data Source
AI summary
The present invention relates to an impact ring for a device for dehulling of granular good, comprising a ring-shaped body of metal and a polymer layer on its entire inner surface, wherein the polymer layer is releasably arranged on the inner surface of the ring-shaped body. The present invention further relates to a device for dehulling of granular material with such an impact ring and/or sensors for monitoring the condition of the impact ring, which are selected from the group consisting of load sensors and vibration sensors.