Quick Fastening Flexible Duct for Spray Painting
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Solution Overview
Problem
Existing spray painting devices with heating ducts require laborious replacement due to complex electrical and mechanical connections, making it difficult for unskilled workers to quickly and easily remove and install new ducts, leading to increased idle times and wear-related replacements.
Innovation Solution
A spray painting device with a control unit featuring a duct coupling block and quick release connectors for pneumatic and electrical connections, allowing for simple detachment and reattachment of the flexible duct, enabling unskilled workers to replace ducts using standard tools without laborious disconnection sequences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the duct uses traditional electrical and mechanical connections, then the heating and pneumatic functions are reliable, but the replacement operation becomes laborious and time-consuming
Solution Approach 1:
The duct assembly is segmented into modular components: the flexible duct itself, the coupling block with integrated quick release connectors, and the control unit. This segmentation allows the duct to be replaced independently without disturbing the heating cables or pneumatic connections, resolving the contradiction between reliable functioning and easy replacement.
Solution Approach 2:
The coupling block acts as an intermediary component between the duct and the control unit. It integrates both electrical and pneumatic quick release connectors, serving as a mediator that simplifies the connection and disconnection process while maintaining reliable electrical heating and pneumatic vector fluid supply during operation.
2Productivity
If the duct is replaced frequently due to wear, then operational continuity is maintained, but idle time increases and labor costs rise
Solution Approach 1:
The quick release connectors are pre-configured in the coupling block during manufacturing, with electrical and pneumatic connections already arranged for rapid disconnection. This preliminary preparation eliminates the need for complex disconnection sequences during duct replacement, significantly reducing idle time while maintaining operational continuity.
Solution Approach 2:
The connection system transitions from static, permanent connections to dynamic, quickly reversible connections. The quick release connectors enable the duct to be rapidly detached and reattached, adapting to the frequent replacement needs caused by wear while minimizing productivity loss during maintenance operations.
3Reliability
If the duct requires skilled workers for replacement, then connection integrity is ensured, but labor requirements and complexity increase
Solution Approach 1:
The quick release connectors are designed to be self-explanatory and self-activating, requiring no specialized knowledge or tools for operation. The mechanical release mechanism and electrical disconnection are integrated into a single user-friendly interface that any worker can operate, reducing replacement procedure complexity while maintaining connection integrity through the robust connector design.
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
Facilitates quick and easy replacement of flexible ducts, reducing idle times and improving operational efficiency, while ensuring secure and functional interchangeability of ducts with different characteristics, enhancing usability and reducing the need for trained assistance.
Implementation Method 1
heating means of the vector fluid in the form of one or more self-regulating heating cables using a resistance, suitable for maintaining a constant temperature when subjected to a constant supply voltage
Data Source
Figure 1
Figure 2
Figure 3a~3b
AI summary
The present invention concerns the field of spray painting systems, and more specifically a painting device that provides for heating of the vector fluid and it is advantageously provided with a quick fastening and unfastening system of the flexible duct that extends between a control unit and a dispensing gun forming an integral part of the duct at its free end.