Rotating Brush for Uniform Glutinous Substance Application
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Solution Overview
Problem
The surface application of glutinous substances, such as sealants and adhesives, is inefficient, unpredictable, and time-consuming when done manually, making it difficult to achieve uniform coverage on structures.
Innovation Solution
A brush with a rotational axis and non-parallel bristles arranged in a thatch configuration, which allows for efficient delivery of glutinous substances onto non-coplanar surfaces by rotating the brush relative to the workpiece, ensuring uniform distribution and application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual techniques are used to apply glutinous substances, then flexibility and simplicity are maintained, but efficiency, uniformity, and predictability of application deteriorate
Solution Approach 1:
The brush is designed to rotate dynamically during operation, transforming from a static manual tool to a dynamic application device. The rotation enables uniform distribution of glutinous substance across the workpiece surface, significantly improving application efficiency and predictability while maintaining operational simplicity through intuitive rotational motion.
Solution Approach 2:
The brush acts as an intermediary between the glutinous substance source and the workpiece surface. It mediates the application process by receiving the substance and distributing it uniformly through rotation, resolving the contradiction between manual simplicity and application efficiency.
2Manufacturing precision
If manual application techniques are used, then equipment complexity is minimized, but application uniformity and coverage predictability deteriorate
Solution Approach 1:
The rotational motion of the brush creates dynamic uniformity in substance distribution. As the brush rotates, it automatically ensures even coverage across the workpiece surface, achieving high application uniformity without requiring complex control mechanisms or multiple components.
Solution Approach 2:
The brush design changes the application parameter from static manual movement to rotational motion. This parameter change enables uniform distribution of the glutinous substance, achieving predictable coverage while maintaining relatively simple device structure.
3Productivity
If manual application is used, then device simplicity is maintained, but application speed and comprehensive coverage deteriorate
Solution Approach 1:
The rotating brush dramatically increases application speed compared to manual techniques. The rotation allows the brush to cover larger surface areas more quickly while maintaining uniform application, achieving high productivity with a relatively simple rotational mechanism.
Solution Approach 2:
The continuous rotation of the brush ensures uninterrupted application of the glutinous substance, eliminating the stop-start nature of manual application. This continuous action improves both application speed and comprehensive coverage while keeping the device structure simple.
Data Source
AI summary
A method of delivering a glutinous substance to a workpiece from an end-effector comprises using the end-effector to rotate a brush relative to the workpiece about a rotational axis. The method also comprises, while rotating the brush relative to the workpiece about the rotational axis, urging the glutinous substance from the end-effector through a channel of a body of the brush from an axial inlet of the channel to an outlet of the channel, into contact with a thatch of bristles of the brush. Additionally, the method comprises using the end-effector to position the brush relative to the workpiece such that the glutinous substance in contact with the thatch is delivered onto at least a first surface and a third surface of the workpiece.