Automated Panel Edge Wrapping Apparatus
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Solution Overview
Problem
The existing methods for applying a laminate coating to panels are inefficient and costly, requiring significant manual labor and posing safety risks, while automated solutions are often complex and impractical for use in aerospace and other applications.
Innovation Solution
A self-contained, portable apparatus that includes conveying means, lifting means, adhesive application means, a folding bar, and a roller to automate the wrapping of laminate flaps around panel edges, using a hot-melt adhesive and a frame supported on casters for flexibility and portability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual wrapping of laminate flaps around panel edges is used, then the process is flexible and adaptable, but the process is time-consuming and costly requiring approximately 15 minutes per panel
Solution Approach 1:
The automated edge wrapping apparatus is divided into distinct functional modules: conveying means for panel transport, lifting means for flap deflection, adhesive application means for glue application, folding bar for flap folding, and roller for stretching and securing. Each module performs a specific task in sequence, enabling automated operation while maintaining manageable system complexity.
Solution Approach 2:
The apparatus is designed to be self-contained and self-operating once a panel is loaded. The conveying means automatically transports the panel through the various stations, the adhesive application means automatically applies adhesive, and the roller automatically stretches and secures the flap, minimizing the need for continuous manual intervention.
2Ease of operation
If manual manipulation of panels during wrapping is used, then the process can handle various panel sizes, but it poses safety risks including burning, cutting, and repetitive stress injuries
Solution Approach 1:
The apparatus replaces manual mechanical operations with automated mechanical systems. The conveying means, lifting means, folding bar, and roller collectively perform all manual manipulation tasks, eliminating direct human contact with hot adhesives, sharp panel edges, and repetitive bending motions that cause injuries.
Solution Approach 2:
The automated apparatus acts as an intermediary between the operator and the panel. The operator simply loads the panel at the entry end and retrieves it at the exit end, while the apparatus intermediates all dangerous operations including adhesive application, flap stretching, and edge wrapping, protecting the operator from harm.
3Reliability
If contact cement is used to adhere laminate material, then the laminate can be securely attached, but it requires time for the cement to dry
Solution Approach 1:
The apparatus uses hot-melt adhesive which undergoes a phase transition from solid to liquid when heated, allowing it to be applied in molten state and then rapidly re-solidifies upon cooling to form a strong bond. This eliminates the extended drying time required by contact cement while maintaining reliable adhesive strength.
Solution Approach 2:
The adhesive application means controls the temperature parameter of the adhesive, heating it to a molten state for application. This parameter change enables the adhesive to be applied in a controlled manner and sets rapidly at ambient temperature, reducing the bonding time compared to contact cement which requires extended drying time at room temperature.
4Productivity
If automated machines for edge wrapping are used, then productivity increases, but the machines are complex and require large factory machinery
Solution Approach 1:
The apparatus is segmented into modular functional units that can be independently maintained and adjusted. Each module (conveying, lifting, adhesive application, folding, rolling) is a discrete component with a specific function, making the overall complex system manageable through modular design principles.
Solution Approach 2:
The apparatus is designed to handle various panel sizes and configurations through adjustable components. The conveying means can accommodate different panel dimensions, the lifting means can adjust to different flap sizes, and the roller can adapt to various edge geometries, providing universal functionality that reduces the need for multiple specialized machines.
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
This solution significantly reduces the time and cost of edge wrapping, enhances safety by minimizing manual handling, and allows for efficient and precise application of laminate coatings on panels, improving productivity and reducing the risk of injuries.
Implementation Method 1
a roller positioned downstream from the folding bar and arranged to spin inwardly over the flap at an angle of about 130 to 150 degrees relative to the trailing part of the edge to cause the flap to stretch inwardly and be secured to the back surface of the panel
Data Source
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AI summary
A self-contained, portable and automated apparatus and method for wrapping edges of a panel with a protective and/or decorative laminate material comprises conveying means for moving the panel from an entry end of the apparatus to an exit end of the apparatus, lifting means for transversely deflecting the flap upward to a position substantially perpendicular to the front surface of the panel as the panel is conveyed, adhesive application means for applying an adhesive to a back surface of the panel proximate the edge substantially throughout the length of the panel as the panel is moved past the adhesive application means, a folding bar positioned downstream from the adhesive application means at an angle of about 135 to 170 degrees relative to a trailing part of the edge to transversely deflect the flap downward toward the adhesive on the back surface of the panel, and a roller positioned downstream from the folding bar and arranged to spin inwardly over the flap at an angle of about 130 to 150 degrees relative to the trailing part of the edge to cause the flap to stretch inwardly and be secured to the back surface of the panel.