Tacky Cleaning Element for Coating Line Roller Maintenance
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Solution Overview
Problem
Existing coating line cleaning methods are labor-intensive, time-consuming, and require shutting down the line to manually clean rollers, which disrupts production and can lead to contamination of substrate materials.
Innovation Solution
A coating line cleaning apparatus with flexible, tacky cleaning elements that adhere to a conveyed entity and temporarily contact rollers to remove contaminants, using surface adhesion forces to collect and remove dust without sticking to the rollers, allowing for in-line cleaning without shutting down the line.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual cleaning of rollers is performed, then contaminants are removed from rollers, but the coating line must be shut down and equipment must be dismantled, causing production disruption and time loss
Solution Approach 1:
The cleaning system uses the substrate material itself as the carrier for the cleaning element. The substrate pulls the cleaning element through the coating line, enabling automatic cleaning without manual intervention and without shutting down the line. The cleaning element is automatically fed, positioned, and retrieved by the substrate motion.
Solution Approach 2:
A cleaning element with dual-tacky surfaces acts as an intermediary between the substrate and the rollers. The first tacky surface adheres to the substrate while the second tacky surface contacts and cleans the rollers. This intermediary transfers the cleaning function without requiring direct manual access to rollers.
2Reliability
If manual cleaning is performed with cloths, then rollers are cleaned, but the process is labor-intensive and time-consuming
Solution Approach 1:
The cleaning operation occurs continuously as the substrate moves through the coating line. The cleaning element maintains continuous contact with the rollers throughout the substrate's passage, eliminating the need for separate manual cleaning operations and reducing total cleaning time.
Solution Approach 2:
The system performs cleaning automatically using the substrate's own motion to drive the cleaning element. No external labor or separate cleaning equipment is needed - the substrate itself serves as the driving force for the cleaning operation.
3Reliability
If cleaning elements adhere strongly to rollers, then contaminants are effectively removed, but the cleaning element may stick to the rollers and be difficult to remove
Solution Approach 1:
The cleaning element has different tacky properties on different surfaces. The first major face has tackiness optimized for adhering to the substrate, while the second major face has tackiness optimized for contacting and cleaning rollers. This local differentiation allows selective adhesion - strong enough to clean contaminants but controllable for easy removal.
Solution Approach 2:
The tackiness parameter of the cleaning element is specifically controlled and differentiated between its two surfaces. By adjusting the tackiness parameters, the system achieves optimal balance between contaminant removal effectiveness and ease of cleaning element retrieval from both substrate and rollers.
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
Enables efficient and continuous cleaning of coating lines, reducing contamination risks and production disruptions while maintaining the quality of coated substrates by effectively removing contaminants from rollers without manual intervention.
Implementation Method 1
each one of said first and second major faces is tacky, the first of said tacky faces of said cleaning element being releasably adhered to one of the major faces of the conveyed entity, and the second tacky major face of said cleaning element being temporarily contactable with the selected part of the coating line to bring said second tacky major face of said cleaning element into temporary contact with said selected part of a coating line to cause any contaminants present on said selected part of a coating line to adhere to said second tacky major face of said cleaning element
Data Source
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AI summary
The invention relates to a coating line (1) cleaning apparatus (20) and a method for cleaning at least a selected part of a coating line. The coating line cleaning apparatus comprising a conveyed entity having first and second mutually opposed major faces and at least one flexible cleaning element (12) having first and second mutually opposed major faces, said cleaning element being characterised in that each one of said first (15) and second (11) major faces is tacky, the first of said tacky faces of said cleaning element being releasably adhered to one of the major faces (8) of the conveyed entity (4), and the second tacky major face of said cleaning element being temporarily contactable with the selected part (14) of the coating line to bring said second tacky major face (11) of the cleaning element into temporary contact with said selected part of a coating line to cause any contaminants present on said selected part (14) of a coating line (1) to adhere to said second tacky major face (11) of said cleaning element thereby causing any contaminants to be removed from said selected part of a coating line (1).