Ultrasonic Screen Insert for Powder Chamber Agglomeration
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Solution Overview
Problem
Existing powder coating systems face challenges in maintaining consistent high-quality coating powder feed due to contamination and agglomeration issues during powder conveying, which affect the efficiency and quality of the coating process.
Innovation Solution
A compact ultrasonic screen insert is integrated into the powder container, equipped with an ultrasonic transducer that generates vibrations to effectively screen the coating powder, ensuring it is in a fluidized state and free from contaminants and agglomerations before being fed to the spraying device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a screen insert with ultrasonic transducer is integrated into the powder container, then screening performance and powder quality are improved, but device complexity increases
Solution Approach 1:
The patent combines the screening function and ultrasonic vibration generation into an integrated screen insert assembly that is placed directly in the powder container. The screen unit with mesh and ultrasonic transducer forms a unified component, eliminating the need for separate screening devices and reducing overall system complexity while maintaining high screening performance.
Solution Approach 2:
The screen insert serves multiple functions simultaneously: it screens powder contaminants, breaks up agglomerations through ultrasonic vibration, and maintains powder fluidity. This multi-functional design improves screening performance without requiring additional separate devices, thereby managing device complexity.
2Manufacturing precision
If the screen unit is placed inside the powder chamber, then screening effectiveness is improved, but access for maintenance and cleaning becomes more difficult
Solution Approach 1:
The screening system is segmented into a removable screen insert assembly that can be easily installed and removed from the powder container. This modular design allows the screen unit to be positioned inside the powder chamber for effective screening while enabling quick access for maintenance, cleaning, or screen replacement without disassembling the entire container.
3Stability of the object's composition
If ultrasonic vibrations are applied to the screen unit, then powder fluidization and quality consistency are improved, but energy consumption increases
Solution Approach 1:
The ultrasonic transducer operates with periodic vibrations at high frequency to maintain powder fluidization and prevent agglomeration. This periodic action ensures consistent powder quality by continuously breaking up clumps and maintaining uniform flow, while the efficient ultrasonic mechanism minimizes overall energy consumption compared to continuous mechanical agitation.
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 ultrasonic screen insert ensures a consistent high-quality powder feed by effectively screening out contaminants and agglomerations, eliminating the need for additional screening devices and simplifying the powder coating process, while allowing for quick color changes with reduced cleaning time.
Implementation Method 1
an ultrasonic transducer for generating ultrasonic vibrations, the screen unit being connected to the ultrasonic transducer in such a way that the ultrasonic vibrations generated by the ultrasonic transducer can be transferred to the screen unit
Implementation Method 2
The screening of the coating powder is intended to separate out contaminants from the coating powder and break up or keep back agglomerations of powder that may occur in particular as a result of mechanical action during the conveying of coating powder
Implementation Method 3
a screen unit for screening coating powder
Implementation Method 4
the coating powder in the powder container should be in a fluidized state, in order for example that it can be sucked out by the suction effect of an injector and fed to the spraying device in a stream of compressed air
Implementation Method 5
it can be sucked out by the suction effect of an injector and fed to the spraying device in a stream of compressed air
Data Source
AI summary
The invention relates to a screen insert (70) for a powder container (24) of a powder supplying device, the screen insert (70) having a screen unit (71) for screening coating powder and an ultrasonic transducer (72) for generating ultrasonic vibrations. The screen unit (71) is connected to the ultrasonic transducer (72) in such a way that the ultrasonic vibrations generated by the ultrasonic transducer (72) can be transferred to the screen unit (71). To allow a particularly compact construction of the screen insert (70) to be achieved, according to the invention a screen carrier (73) which can be placed onto the powder container (24) is provided, for holding the ultrasonic transducer (72), with the screen unit (71) connected thereto, in such a way that the screen unit (71) is arranged below the screen carrier (73), so that the screen unit (71) is inside a powder chamber (22), formed by the powder container (24), when the screen carrier (73) has been placed onto the powder container (24).