Pneumatic Two-Component Nozzle Coating Delivery System
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Solution Overview
Problem
In wood processing, existing systems face challenges in efficiently adapting and applying surface function coatings to varying workpiece and tool conditions, leading to suboptimal quality and increased costs due to manual handling and potential errors in coating liquid management.
Innovation Solution
A delivery system utilizing pneumatic two-component nozzles with a mixing vessel that can be programmed to combine ingredients in a predetermined sequence, connected to a compressed gas source, and equipped with sensors to detect workpiece and environmental parameters for real-time adjustment of coating formulations, ensuring optimal application and minimizing waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual handling and replacement of coating liquid containers is used, then device complexity is reduced, but productivity decreases and manufacturing precision deteriorates due to potential errors in coating liquid management
Solution Approach 1:
The coating liquid storage system is divided into multiple separate containers, each storing a different coating liquid. This segmentation allows automatic sequential replacement of containers by the delivery system while maintaining manageable complexity in each individual container unit, thereby improving productivity without proportionally increasing overall system complexity.
Solution Approach 2:
The delivery system automatically performs the replacement of coating liquid containers based on detection results, eliminating the need for manual intervention. The system monitors its own state and autonomously exchanges containers, which improves productivity and precision while the automated nature manages the complexity through programmed logic rather than manual operation.
2Adaptability or versatility
If multiple coating liquids are stored in separate containers, then adaptability improves for different workpiece conditions, but device complexity increases due to multiple storage vessels and replacement mechanisms
Solution Approach 1:
The delivery system serves multiple functions: it stores multiple coating liquids in separate containers, automatically detects which coating liquid is needed based on workpiece conditions, and autonomously replaces containers. This multi-functionality consolidates what would otherwise be multiple separate systems into one integrated unit, improving adaptability while managing complexity through unified control.
Solution Approach 2:
The detection device continuously monitors workpiece conditions and provides feedback to the control unit, which then determines the appropriate coating liquid and triggers container replacement. This feedback mechanism enables the system to adapt to varying conditions without requiring complex manual decision-making, as the automated loop handles the complexity through sensor input and programmed response.
3Productivity
If rapid replacement of coating liquids is implemented, then productivity improves, but reliability decreases due to potential errors in coating liquid selection and application
Solution Approach 1:
The detection device provides real-time feedback on workpiece conditions to the control unit, which verifies the selected coating liquid before application. This feedback loop ensures that the rapid container replacement is guided by accurate condition assessment, maintaining reliability through automated verification rather than relying solely on speed.
Solution Approach 2:
The manual process of selecting and replacing coating liquids is replaced with an automated mechanical and electronic system. The detection device and control unit work together to automatically identify needed coatings and trigger replacements, eliminating human error in the process. This substitution maintains high productivity through rapid automated exchange while improving reliability through consistent, error-free execution.
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 system enables precise and efficient application of surface function coatings, improving edge band quality by ensuring optimal adhesive layer viscosity, preventing overheating, and reducing material waste, while allowing for quick adaptation to changing conditions through automated ingredient mixing and real-time feedback from sensors.
Implementation Method 1
a compressed gas source which can be connected to the two-component nozzles in order to convey the functional surface coatings
Implementation Method 2
spraying through a plurality of pneumatic two-component nozzles with nozzle bodies
Data Source
Figure 1
AI summary
The invention relates to a further developed supply system for applying different, application-specific, temporary surface functional coatings during the processing of workpieces by means of spraying through several pneumatic two-component nozzles (14) attachable to a processing machine (10), the nozzles having nozzle bodies which are fed by a reservoir which is filled or can be filled with the surface functional coating, and a pressurized gas source which can be connected to the two-component nozzles (14) in order to convey the surface functional coating and apply it to the respective workpiece (11) and/or the respective processing machine (10) or parts thereof.According to the invention, the storage vessel is designed as a mixing vessel (1) which is controlled in connection with a plurality of component vessels, such that, according to a predetermined program selection, ingredients from the component vessels can be transferred into the mixing vessel (1), whereby the two-component nozzles (14) are supplied from the mixing vessel (1).