Segmented Magnetic Coupling With Switchable Flux Control
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Solution Overview
Problem
Existing magnetic coupling devices lack versatility and efficiency in engaging with multiple workpiece contact interfaces, particularly in varying magnetic field strengths and configurations for ferromagnetic workpieces.
Innovation Solution
A magnetic coupling device with a switchable magnetic flux source comprising multiple permanent magnets, including a movable second permanent magnet relative to a first permanent magnet, and multiple workpiece engagement surfaces, allowing for adjustable magnetic field strength and configuration through actuation mechanisms and sensors for precise control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a magnetic coupling device uses a single workpiece contact interface per pole, then the device structure is simple, but the versatility and efficiency in engaging with multiple workpiece contact interfaces is limited
Solution Approach 1:
The magnetic coupling device divides each pole into multiple pole portions (first north pole portion, second north pole portion, first south pole portion, second south pole portion), with each pole portion having its own workpiece engagement surface. This segmentation allows the device to engage multiple workpiece contact interfaces simultaneously while maintaining a relatively simple overall structure.
Solution Approach 2:
The magnetic coupling device is designed with multiple workpiece engagement surfaces on each pole portion, enabling it to perform multiple functions by engaging different workpiece contact interfaces. This multi-functionality increases versatility without requiring completely separate devices for each interface.
2Adaptability or versatility
If the magnetic coupling device uses fixed magnetic field strength, then the device structure is simple, but the efficiency and adaptability in varying magnetic field strengths is reduced
Solution Approach 1:
The magnetic coupling device incorporates a switchable magnetic flux source that can be switched between ON and OFF states, and includes movable permanent magnets that can change position. This dynamic capability allows the magnetic field strength to be adjusted based on operational requirements, enhancing adaptability without overly complicating the device structure.
3Measurement precision
If the magnetic coupling device lacks real-time monitoring, then the device structure is simple, but the control precision and efficiency are reduced
Solution Approach 1:
The magnetic coupling device includes sensors positioned in channels between pole portions that provide real-time monitoring of the magnetic coupling status. This feedback mechanism enables precise control by continuously monitoring the engagement state and providing information for adjustment, while maintaining reasonable device complexity through strategic sensor placement.
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
Enables efficient and adaptable magnetic coupling to ferromagnetic workpieces with variable magnetic field strengths, enhancing engagement and disengagement capabilities, and providing real-time monitoring and control.
Implementation Method 1
a switchable magnetic flux source supported by the housing, the switchable magnetic flux source being switchable between at least an OFF state and an ON state
Implementation Method 2
magnetic coupling to a ferromagnetic workpiece
Implementation Method 3
the switchable magnetic flux source includes a plurality of permanent magnets
Data Source
AI summary
Magnetic coupling devices are disclosed. The magnetic coupling devices may include sensors, retractable pins, stationary pins, probes, and/or additional tools. The magnetic coupling devices may include multiple sets of pole portions, a first set may be received in an opening in a first magnet of the magnetic coupling device and a second set may be outside of an envelope of the first magnet.