Modular Material Spray Gun With Interchangeable Pump Modules
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Solution Overview
Problem
Existing material sprayers lack flexibility in accommodating different pump sizes and types, leading to inefficiencies in material application and increased costs due to the need for multiple sprayers for various applications.
Innovation Solution
A modular design for the material sprayer system that includes a hopper module and a power module, allowing for the use of interchangeable pumps of varying sizes and types, with a trigger mechanism that controls material and air flow to optimize spraying efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed pump size is used in the sprayer, then the device structure is simple, but the adaptability to different applications is poor
Solution Approach 1:
The sprayer is divided into separate modules: a hopper module and a power module with the pump. The pump can be detached from the hopper, allowing different pump configurations to be used with the same hopper module. This segmentation enables adaptability to different pump sizes while keeping the overall device structure relatively simple through standardized interfaces.
Solution Approach 2:
The hopper module is designed with a universal interface that can accommodate multiple types and sizes of pumps. The mounting portion of the hopper frame is configured to support different power modules, making the hopper module versatile and applicable to various pump configurations without requiring complete redesign.
2Adaptability or versatility
If multiple sprayers are used for various applications, then the adaptability is improved, but the cost and device complexity increase
Solution Approach 1:
The hopper module serves as a universal platform that can work with different power modules containing various pump types and sizes. This allows a single hopper module to be used across multiple applications by simply changing the power module, eliminating the need for multiple complete sprayer systems and reducing overall complexity.
Solution Approach 2:
By separating the hopper module from the power module, the system allows independent selection and replacement of pump components. Users can configure different power modules with appropriate pumps for specific applications while reusing the same hopper module, reducing the total number of devices needed.
3Adaptability or versatility
If interchangeable pumps of varying sizes are used, then the versatility is improved, but the mounting structure complexity increases
Solution Approach 1:
The mounting portion of the hopper frame is designed with a universal support structure that can accommodate different power module sizes. The extendable hopper frame with adjustable mounting portions provides a standardized interface that simplifies the mounting process for various pump configurations without requiring complex customization for each pump type.
Data Source
AI summary
A spray gun includes a gun body and valves configured to control flow of material and air through the gun body. A trigger is mounted to the gun body and is disposed relative to the valves such that the trigger actuates the valves in sequence to begin air flow and material flow. A sensor senses when the trigger is in an actuated state and the sensor causes a pump to begin pumping material to the spray gun. Release of the trigger causes the trigger to leave the actuated state. A detent mechanism holes the trigger in a detent state intermediate the actuated state and a resting state. The sensor does not sense the trigger with the trigger in the detent state. The trigger maintains the valves open with the trigger in the detent state.