Leak-Tight Coating Device with Level Sensors
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Solution Overview
Problem
Existing surface coating devices for additive manufacturing parts lack efficiency and safety, with complex conduit networks and potential for dye solution leaks or spillage, and do not simplify the coating process effectively.
Innovation Solution
A device with a leak-tight cavity, heating means, controlled water and dyeing agent conduits, and a recirculation system, featuring level sensors for optimal mixing and safety, and a dynamic drum movement for improved coating, along with a discharge system for spent dye solution, controlled by a programmable unit to prevent leaks and optimize the coating process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a complex network of conduits is used for water and dyeing agent supply, then the coating process can be performed, but the device complexity increases and potential for leaks increases
Solution Approach 1:
The patent combines multiple conduit functions into a single integrated conduit that supplies both water and dyeing agent through separate inlet conduits that merge into a common distribution system. This reduces the overall network complexity while maintaining the ability to deliver both fluids to the coating chamber.
Solution Approach 2:
The patent employs a multi-functional conduit system where a single conduit structure performs multiple functions: supplying water, supplying dyeing agent, and providing structural support for the coating chamber. This universal design reduces the number of separate components needed.
2Ease of manufacture
If conventional coating devices are used, then surface coating can be applied, but safety risks from dye solution leaks or spillage exist
Solution Approach 1:
The patent incorporates level sensors that detect the dye solution level in advance before potential overflow or leakage can occur. When the predetermined level is reached, the system automatically stops the dyeing agent supply, preventing leaks and spillage before they happen.
Solution Approach 2:
The patent implements a feedback control system where level sensors continuously monitor the dye solution level and provide real-time information to the control unit. The control unit adjusts the dyeing agent supply based on this feedback, ensuring the level remains within safe limits and preventing leakage.
3Ease of manufacture
If manual or simple automatic dipping is used, then coating can be performed, but process efficiency and uniformity are limited
Solution Approach 1:
The patent introduces a drum mechanism that dynamically rotates to agitate the dye solution and ensures uniform coating distribution on all surfaces of the workpiece. This dynamic movement enhances coating efficiency and uniformity compared to static dipping methods.
Solution Approach 2:
The patent implements a continuous recirculation system where the dye solution is continuously pumped from the coating chamber back to the storage tank and then returned to maintain optimal coating conditions. This continuous circulation ensures consistent coating quality and enables prolonged efficient operation.
4Device complexity
If no level control is implemented, then the device is simpler, but optimal mixing and safety cannot be ensured
Solution Approach 1:
The patent employs level sensors that automatically detect when the dye solution reaches the predetermined optimal level and trigger the control unit to stop further dyeing agent supply. This self-regulating mechanism ensures optimal mixing conditions and safety without requiring constant manual intervention.
Solution Approach 2:
The patent replaces manual level monitoring and control with automated electronic level sensors and a programmable control unit. This substitution of mechanical/manual systems with electronic automation ensures precise and reliable level control while maintaining ease of operation.
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 simplifies the surface coating process, reduces conduit complexity, prevents leaks, and ensures optimal working conditions, enhancing the efficiency and safety of the coating process while maintaining uniformity and quality of the final surface treatment.
Implementation Method 1
heating means, one or more water supply conduits and at least one dyeing agent inlet conduit for entry to said leak-tight cavity and drum
Implementation Method 2
a fluid recirculation circuit from said recovery tank to said leak-tight cavity and said drum
Implementation Method 3
a plurality of perforated holes which allow the flow of a dye solution between the leak-tight cavity and the inside of the drum
Data Source
Figure 1
AI summary
A device (1) for performing a surface coating of pieces is disclosed. The device (1) comprises a housing (2) including one leak-tight cavity (3) containing a drum (4), heating means (5), at least one water inlet conduit (6a) and one dyeing agent inlet conduit (6b), and a recovery tank (7) and a fluid recirculation circuit (7a) from said recovery tank (7) to said leak-tight cavity (3) and drum (4). The leak-tight cavity (3) includes a first level sensor (30) connected to a control device (9a), such that the entry of water to the leak-tight cavity (3) is interrupted when a specific level is reached inside the cavity (3), and the recovery tank (7) includes at least a second level sensor (70) connected to the control device (9a, 9b), such that the entry of water and dyeing agent to the leak-tight cavity (3) is interrupted if a specific level is exceeded inside the recovery tank (7).