Magnetic Rotor Support for Stable Mixing After Magnet Separation
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Solution Overview
Problem
Conventional magnetic mixing apparatuses face issues with magnet separation leading to damage and maintenance challenges, and rotary shafts are prone to deformation and non-uniform mixing due to high viscosity liquids and strong rotational forces.
Innovation Solution
A magnetic mixing apparatus with a rotary rotor supported by a magnetically separated rotary rotor support unit that automatically adjusts to magnetic separation, preventing damage and ensuring stable operation through a retaining support unit and manual handle operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a magnet with strong magnetic force is used to fixedly mount the impeller on the rotor, then the impeller can be securely fixed during normal operation, but the magnet may damage or loosen the bearing when magnetic force changes due to continuous use
Solution Approach 1:
A magnetic separator is introduced as an intermediary component between the impeller magnet and the rotor. This magnetic separator absorbs and regulates the magnetic force, allowing the impeller to be securely mounted during normal operation while preventing excessive magnetic force from damaging the bearing when magnetic properties change over time
Solution Approach 2:
The magnetic separator acts as a pre-positioned protective element that cushions against potential magnetic force variations before they can reach and damage the bearing. This anticipatory protection mechanism ensures that even when magnet strength changes due to continuous use, the bearing is protected from harmful effects
2Ease of manufacture
If the motor and gear box are mounted on the upper portion of the stirring container, then the mixing device can be easily installed, but they occupy unnecessary space and require lifting devices for repair or replacement
Solution Approach 1:
The mixing device is segmented into separable components: the motor unit can be detached from the stirring container as an independent module. This segmentation allows the motor to be easily installed by simply attaching it to the container, while also enabling simple removal and replacement without requiring lifting devices, as the motor becomes a portable, standalone unit
Solution Approach 2:
The mounting system transitions from a fixed, permanent installation to a dynamic, reversible connection. The motor unit can be easily attached and detached, transforming the system from static to dynamic, which facilitates both easy installation and simple maintenance without requiring complex lifting equipment
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 apparatus maintains stability and facilitates easy maintenance by preventing damage during magnetic separation and ensuring uniform mixing, even when magnetic forces change.
Implementation Method 1
an impeller unit disposed on an inner side of the stirring container and including a second permanent magnet magnetically coupled to the first permanent magnet during a normal operation thereof
Implementation Method 2
when there occurs magnetic separation in which a magnetic coupling between the first permanent magnet and the second permanent magnet is released by magnetic deformation of at least one of the first permanent magnet and the second permanent magnet
Data Source
AI summary
A magnetic mixing apparatus is disclosed. A magnetic mixing apparatus according to one embodiment of the present invention comprises: a shaft which passes through a driving motor unit and which is rotatably coupled to the driving motor unit; a first housing which is coupled to one side of the driving motor unit and which is provided outside a stirring container to accommodate an upper part of the shaft; a rotary rotor which is coupled to the end of the shaft at a stirring container side during normal operation and which has a first permanent magnet; and an impeller unit which is arranged inside the stirring container and which has a second permanent magnet magnetically coupled to the first permanent magnet during normal operation, wherein the first housing includes a magnetic separation rotary rotor support part formed to protrude inward so as to support, from the downward direction, the rotary rotor, which is down-driven so as to move downward from the shaft, when there is magnetic separation by which magnetic coupling is released through magnetic deformation of the first permanent magnet and/or the second permanent magnet.