Powder Coating Coupling Discs for Automated Line Cleaning
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Solution Overview
Problem
The existing powder coating systems require extensive manual cleaning during powder changes, which is time-consuming, costly, and poses health risks due to inhalation of powder particles, and previous solutions like fluid switches have inefficiencies in powder deposition and alignment issues.
Innovation Solution
A powder coating system with a clutch mechanism that includes coaxially arranged clutch disks with axial and rotational drives, allowing for precise alignment and automated cleaning using compressed air flushing, ensuring thorough removal of powder residues without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual cleaning is performed during powder change, then powder residues can be removed, but cleaning time is excessive and production costs increase
Solution Approach 1:
The system performs automatic self-cleaning through the clutch mechanism. The first and second clutch disks with integrated channels and compressed air connections automatically flush powder residues from the powder line during powder changes, eliminating the need for manual cleaning operations while ensuring thorough removal of residues.
Solution Approach 2:
The clutch mechanism is designed with built-in cleaning channels and compressed air connections that prepare and execute the cleaning action automatically during the powder change process. The channels are pre-configured to direct compressed air through the powder line, ensuring cleaning occurs as part of the standard powder change procedure without requiring separate manual intervention.
2Reliability
If manual cleaning is performed, then powder residues can be removed, but staff are exposed to inhalation risks
Solution Approach 1:
The automatic clutch mechanism performs the cleaning function without human intervention. The system uses compressed air to flush powder residues through the powder line via the channels in the clutch disks, completely eliminating staff exposure to powder particles and inhalation risks associated with manual cleaning.
3Adaptability or versatility
If fluid switch with plates is used, then powder can be diverted, but powder deposits between plates creating cleaning difficulties
Solution Approach 1:
The invention extracts the powder flow path from between the clutch disks and channels it through dedicated powder line channels. The first and second clutch disks have integrated channels that guide powder flow away from the interface between disks, preventing powder deposition in hard-to-reach areas while maintaining the switching capability.
Solution Approach 2:
The system uses compressed air delivered through channels in the clutch disks to both operate the switching mechanism and perform automatic cleaning. The pneumatic system flushes powder residues through the same channels used for powder transport, ensuring thorough cleaning without manual intervention.
4Adaptability or versatility
If connections are offset on clutch disks, then flexibility is provided, but dead spaces are created where powder deposits
Solution Approach 1:
Compressed air is delivered through channels in both the first and second clutch disks to the powder line connections. This pneumatic system automatically flushes powder residues from all connection points and channels, ensuring complete cleaning even with offset connections that provide flexibility for different powder line configurations.
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 system significantly reduces cleaning time and costs by automating the process, preventing powder deposition and ensuring precise alignment, thus minimizing color carryover and improving safety by eliminating manual inhalation risks.
Implementation Method 1
a compressed air flushing line (83) is provided, which is connected to the clutch (130). The method for cleaning the powder coating system comprises: arranging the coupling discs (135, 136) in relation to one another in such a way that the compressed air flushing line (83) is connected to the powder line (81.1) via the clutch (130); flushing the powder line (81.1) in the direction of the powder feeder (5) using compressed air
Data Source
Figure 1~2
Figure 3a
Figure 3b
AI summary
The coupling according to the invention for connecting lines comprises a first coupling disc (135) with first line connections (131) and a second coupling disc (136) with second line connections (132). Furthermore, a first drive (133) is provided to allow the two coupling discs (135; 136) to move axially relative to each other. In addition, a second drive (134) is provided to allow the two coupling discs (135; 136) to rotate relative to each other.