Flexible Belt Wrapper With Protrusions for Conveyor Tracking
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Solution Overview
Problem
Conveyor belts used in cooking and heating operations often suffer from issues such as belt slipping, poor tracking, and grease buildup, leading to undesirable marking and compression of food items, particularly when silicone rubber-coated fiberglass fabrics are used in combination with metal-linked belts.
Innovation Solution
A flexible belt wrapper with a protrusion system that securely attaches to a metal drive belt, featuring a smooth or textured first face and a cleanable second face, which includes hooks or clips to prevent slipping and ensure proper tracking, made from high-temperature resistant materials like metal or engineered resins, and coated with fluoropolymers or silicone rubber.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If silicone rubber-coated fiberglass fabric is used as a belt wrapper, then markings on food items are eliminated, but lateral force to move food objects is insufficient
Solution Approach 1:
The belt wrapper has different surface characteristics on different faces: the first face (food-contact side) has a smooth polymer coating to eliminate markings, while the second face (drive side) has protrusions that provide gripping force. This local differentiation resolves the contradiction between smooth non-marking surface and high-friction driving surface.
2Force
If molded flights are added to both sides of the silicone belt, then food movement is improved, but grease buildup and wear increase slipping
Solution Approach 1:
The belt wrapper is segmented into distinct functional zones: the first face maintains a smooth coating for food contact, while the second face has protrusions for driving force. This segmentation prevents grease buildup issues by keeping the food-contact surface separate from the drive mechanism, maintaining reliable grip over time.
3Object-affected harmful factors
If a smooth polymer coated belt is used, then food markings are prevented, but tracking issues occur resulting in off-center positioning
Solution Approach 1:
The belt wrapper uses local quality differentiation where the first face remains smooth for food contact while the second face incorporates protrusions for tracking stability. This resolves the contradiction by providing localized gripping features that maintain centering without compromising the smooth food-contact surface.
4Adaptability or versatility
If the belt wrapper is made flexible to conform to food items, then cooking contact is improved, but tracking and centering become difficult
Solution Approach 1:
The belt wrapper uses a flexible substrate (fiberglass fabric) that can conform to food items, while incorporating protrusions that provide mechanical engagement for tracking. The flexible substrate allows adaptability to various food shapes while the protrusions maintain positional stability and prevent off-center positioning.
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 flexible belt wrapper effectively reduces slipping and tracking issues, maintaining the belt's center position and preventing damage, while allowing for safe and efficient food transportation through high-temperature cooking devices without the need for additional lacing, thus enhancing user safety.
Implementation Method 1
The coating can be or include a fluoropolymer such as a fluoroplastic (e.g., PTFE) or fluoroelastomer, silicone rubber, urethane rubber
Implementation Method 2
The protrusion includes an engagement surface adapted to secure the protrusion to a portion of the conveyor belt to drive the belt wrapper at a same speed as the conveyor belt
Implementation Method 3
The protrusion can be manufactured from metal, engineered resin, or any other high-temperature polymer capable of withstanding the operating temperatures of about 232,22 to 315,56° C (450 to 600° F)
Data Source
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AI summary
A flexible composite conveyor belt, such as for use as a belt wrapper in overlying combination with a metal belt in cooking or heating operations. The belt includes a protrusion attached to a flexible substrate. The protrusion includes an engagement surface adapted to secure the protrusion to a portion of the underlying metal belt to drive the belt at a same speed as the conveyor belt. Protrusions on opposing ends of the belt negate the need for conventional lacing in securing the ends of the belt together.