Perforated Protective Film Application Device for Complex Curvatures
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for applying protective films to vehicle body parts, especially those with varying sizes and curvatures, are inefficient due to manual application challenges and difficulties in covering large or irregularly shaped surfaces, such as rounded corners and edges, which hinder rapid and precise application.
Innovation Solution
A device comprising a base frame, a holder for a supply roll with a protective film, a component holder adjustable relative to the base frame, and a pressure roller guided by a counterweight, allowing for mechanical application and cutting of the film, enabling efficient application to components with different sizes and curvatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual application of protective film is used, then flexibility and adaptability to different surface shapes are improved, but application speed and efficiency deteriorate
Solution Approach 1:
The patent introduces an intermediary device system that includes a component holder with adjustable positioning mechanisms and a pressure roller system. This intermediary apparatus mediates between the operator and the film application process, providing mechanical assistance to press the film onto complex surfaces while maintaining manual control for adaptability to different geometries.
Solution Approach 2:
The device incorporates dynamic elements including an adjustable component holder that can be positioned at different angles and heights, and a pressure roller system that can be manually operated to apply varying pressure. These dynamic features allow the system to adapt to different surface shapes while maintaining efficient application through mechanical assistance.
2Manufacturing precision
If mechanical pressing device is used, then application precision and film adhesion are improved, but device complexity increases
Solution Approach 1:
The patent employs a counterweight mechanism as part of the pressure roller system. The counterweight balances the forces required to press the film onto the component, providing consistent and controlled pressure without requiring complex mechanical actuators or multiple stages of force application. This simplifies the overall device structure while maintaining precise control over film adhesion.
Solution Approach 2:
The pressure roller system is designed to be manually operated, allowing the operator to directly control the pressing action. The counterweight mechanism automatically provides the necessary balancing force, making the system self-regulating without requiring complex electronic controls or automated positioning systems.
3Manufacturing precision
If film is cut to fit surface shape, then coverage accuracy is improved, but time consumption increases
Solution Approach 1:
The device enables preliminary positioning of the component holder at the correct angle and height before film application begins. This pre-positioning ensures that the film can be applied directly to the correct location without requiring time-consuming adjustments or real-time cutting operations, as the geometry is predetermined by the adjustable holder.
Solution Approach 2:
The system allows for segmented application by enabling the operator to apply film to different sections of the component separately, with the adjustable component holder allowing repositioning between sections. This segmentation approach maintains coverage accuracy for complex geometries while reducing overall application time compared to attempting to cover the entire surface at once.
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 device facilitates rapid and manual application of perforated protective films to variously sized and shaped components, utilizing gravity for film tension and allowing for easy excess film removal, suitable for both individual and multiple components, including those with complex geometries, and can be operated by individuals with physical disabilities.
Implementation Method 1
a pressure roller (6) guided by a counterweight (6.04), allowing for mechanical application and cutting of the film
Implementation Method 2
unwinding the protective film over at least one deflection roller, which tensions the protective film
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present invention relates to a method and a device for applying a perforated protective film to the surface of at least one component, wherein such a method and device enable the rapid manual application of a protective film in large quantities. The invention is based on the objective of developing a method and a device with which a protective film can be applied to the surface of a component with different sizes and/or curvatures. The device is intended to support manual application and enable the mechanical pressing or cutting of the protective film. This objective is achieved by a device and a method according to the claims.