Segmented Cylindrical Winding Tool for Magnet Sheets
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Solution Overview
Problem
Existing magnet sheet winding devices either suffer from interference with the cylindrical winding tool when in use or experience creases and uneven winding when rewound, due to the tool's design.
Innovation Solution
A magnet sheet winding device with a cylindrical winding tool composed of elongated members that can be spread for use and gathered to form a cylindrical shape for rewinding, minimizing interference and preventing creases, along with a propping tool to secure the device without falling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a cylindrical winding tool is attached to one side of the magnet sheet for rewinding, then the magnet sheet can be smoothly rewound without creases, but the cylindrical winding tool interferes with the range of vision and usage when the magnet sheet is in use
Solution Approach 1:
The cylindrical winding tool is segmented into multiple elongated members that can be separated from each other. When the magnet sheet is in use, these members are separated and attached to the magnet sheet, allowing the magnet sheet to be fully utilized without visual interference. When rewinding is needed, the members come together to form a cylindrical shape, enabling smooth rewinding without creases.
2Object-affected harmful factors
If multiple bar-like magnets are used instead of a cylindrical winding tool, then visual interference is eliminated, but it becomes difficult to equalize outer diameters and creases are created during rewinding
Solution Approach 1:
The winding tool transitions from a static cylindrical shape to a dynamic segmented structure. The elongated members can dynamically adjust their positions - separated during use to eliminate visual interference, and gathered together during rewinding to provide the necessary cylindrical support for smooth winding without creases.
3Device complexity
If the cylindrical winding tool remains attached to the magnet sheet during use, then the structure is simple, but the magnet sheet cannot be fully utilized and vision is blocked
Solution Approach 1:
The winding tool is divided into multiple separable elongated members that can be detached from the magnet sheet during use. This segmentation allows the magnet sheet to be fully utilized for its intended purposes while the winding tool members can be stored separately, maintaining structural simplicity when not in use.
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 solution allows for smooth unwinding and rewinding of the magnet sheet without creases and reduces visual interference, while the propping tool ensures the device remains secure without relying solely on magnetic forces.
Implementation Method 1
the magnet sheet is unrolled from the cylindrical winding tool and magnetically attached to a magnetically-attached object
Data Source
AI summary
A cylindrical winding tool 3 has three elongated members 5 obtained by splitting a cylindrical member in its axial direction into multiple pieces. The elongated members are interconnected in a hinged state in a circumferential direction by the magnet sheet. When the elongated members 5 are to be used, the elongated members 5 are placed in a spread state and arranged on the magnetically-attached object 4. When the elongated members 5 are not used, the elongated members 5 are gathered together in the circumferential direction, abutment sections 5b of the end faces of the adjacent elongated members are brought into abutment on each other and thus the cylindrical winding tool 3 having a required diameter can be formed.