Multi-Plate Nozzle Device for Adjustable Sealing Coverage
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Solution Overview
Problem
Conventional nozzle devices for dispensing viscous media, such as PVC, on motor vehicle components like standing seams are inefficient due to material wastage and require frequent nozzle changes for different quality requirements, leading to increased cleaning efforts and process disruptions.
Innovation Solution
A nozzle device with multiple nozzle plates, including at least two with different opening configurations, allowing for adjustable jet widths and angles to reduce material wastage and enable flexible application without nozzle changes, featuring concave openings to narrow the beam width and inwardly aligned openings to converge jets for efficient sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional flat spray nozzle with convex slit opening is used to achieve sufficient jet width for sealing standing seams, then the sealing coverage is improved, but material wastage increases due to material being shot past the seam
Solution Approach 1:
The nozzle opening configuration is made adjustable between convex and concave shapes, allowing dynamic adaptation to different sealing requirements. The system can switch between wider jet coverage (convex) and narrower, more controlled jet (concave) to prevent material wastage while maintaining sealing effectiveness
Solution Approach 2:
The patent changes the geometric parameters of the nozzle opening by providing multiple opening configurations (convex, concave, curved) that can be selectively applied. This allows optimization of jet width and angle to match different seam types and sealing requirements, reducing material wastage while maintaining sealing quality
2Manufacturing precision
If different nozzles are used for different quality requirements or component configurations, then the application quality is improved, but the process time increases due to frequent nozzle changes
Solution Approach 1:
The nozzle device is designed with multiple opening configurations (convex, concave, curved) that can be integrated into a single universal nozzle structure. This allows one nozzle to perform multiple functions - sealing different seam types, achieving different jet widths and angles - eliminating the need for multiple specialized nozzles and reducing changeover time
Solution Approach 2:
The system enables dynamic adjustment of nozzle characteristics during operation, allowing the same physical nozzle to adapt its jet pattern (wide, narrow, angled) to match different quality requirements and component configurations without physical replacement
3Productivity
If the jet width is increased to cover larger seam areas, then the sealing speed is improved, but the material consumption increases
Solution Approach 1:
The nozzle opening configurations allow localized optimization of jet characteristics - using concave openings for narrow, controlled material delivery in precision sealing areas, and convex openings for wider coverage in larger seam areas. This local adaptation optimizes the balance between sealing speed and material consumption for each specific application zone
Data Source
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AI summary
The invention relates to a nozzle device (1) for emitting at least one emission medium onto a component (100), preferably onto a seam, edge or transition joint of said component (100). The present nozzle device (1) comprises at least two adjacent nozzle plates (10, 20, 30), a first nozzle plate (10) comprising at least one opening (1.1, 1.2) for emitting at least one emission jet (S1.1, S1.2), and a second nozzle plate (20) comprising at least two openings (2.1, 2.2, 2.3) for emitting at least two emission jets (S2.1, S2.2, S2.3. S2.3).