Magnetic Tool Holder with Non-Magnetic Shield
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Solution Overview
Problem
Existing cutting apparatuses face difficulties in allowing users to manually hold machining tools with ease due to magnetic attraction issues, as the tools are made of magnetic materials and are held in holders with embedded magnets.
Innovation Solution
The cutting apparatus incorporates a magazine holder design with a container, a magnetic body, and an intermediate non-magnetic member, where the intermediate member is positioned between the tool body and the magnetic body, preventing magnetic attraction and allowing for easier manual handling of the machining tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a magnetic body is used to hold the machining tool in the holder, then the machining tool is securely held in the holder, but it becomes difficult for a user to manually hold and remove the machining tool due to magnetic attraction
Solution Approach 1:
The holder is divided into three functional segments: a container for holding the flange, a magnetic body for securing the tool body, and an intermediate member made of non-magnetic material positioned between them. This segmentation allows each component to perform its specific function independently - the magnetic body provides secure holding while the intermediate member prevents magnetic interference with manual handling.
Solution Approach 2:
An intermediate member made of non-magnetic material is introduced between the magnetic body and the tool body. This intermediary component blocks the magnetic field from directly acting on the tool body, eliminating the harmful magnetic attraction that prevents manual handling, while still allowing the magnetic body to effectively hold the tool through the container structure.
2Object-affected harmful factors
If the intermediate member length is equal to or longer than the magnetic body length, then magnetic shielding is maximized, but the holder structure becomes more complex
Solution Approach 1:
The length parameter of the intermediate member is specifically designed to be equal to or greater than the length of the magnetic body. This parameter change ensures that the intermediate member completely covers the magnetic body's active region, providing effective magnetic shielding. The simplified dimensional relationship (length comparison) makes the design straightforward despite the added component.
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
This design enables users to manually hold and remove machining tools from the magazine without being attracted by the magnetic force, facilitating easier handling and operation.
Implementation Method 1
Each magnet 176 is disposed under the associated container 171. The machining tool 106 attracted by the magnet 176 may come into contact with the magnet 176. Thus, the magnetic force of the magnet 176 may make it difficult to appropriately hold the machining tool 106 in the holder 164
Data Source
AI summary
A cutting apparatus includes a magazine including a holder to hold a machining tool. The holder includes a container, a magnetic body, and an intermediate member. The container holds a flange of the machining tool. The container includes in its bottom surface a first insertion hole through which a tool body of the machining tool is to be inserted. The magnetic body is disposed under the container. The magnetic body includes a second insertion hole through which the tool body is to be inserted. The intermediate member is disposed inside the second insertion hole. The intermediate member includes a third insertion hole through which the tool body is to be inserted. A length of the intermediate member in a height direction is equal to or longer than a length of the magnetic body in the height direction. The intermediate member is made of a non-magnetic material.