Planar Motor Electrode Stacking for Precise Sheet Alignment
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Solution Overview
Problem
Existing electrode stacking apparatuses using linear motors cannot adjust the holding position of sheet-shaped electrodes, leading to misalignment and inability to stack electrodes correctly.
Innovation Solution
Employ a planar motor device with movers that can move and rotate on a flat surface magnetically, coupled with a control device to adjust the position of already stacked electrodes, ensuring alignment during stacking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a linear motor conveyor device is used to convey sheet-shaped electrodes, then the conveyor device can move electrodes along a fixed path, but the holding position of the electrode cannot be adjusted, leading to misalignment when stacking
Solution Approach 1:
The patent transitions from a fixed linear motor conveyor to a dynamic planar motor system where movers can be precisely positioned at any location on the planar surface. This allows the holding position to be dynamically adjusted to match the electrode's actual position, resolving the contradiction between fixed path movement and position adaptability.
Solution Approach 2:
The patent changes the fundamental operating parameters of the conveyor system by replacing linear motors with planar motors. This enables continuous adjustment of position, orientation, and movement trajectory, transforming the system from rigid fixed-path conveyance to flexible adaptive positioning that can accommodate varying electrode positions.
2Adaptability or versatility
If the holding position of the sheet-shaped electrode cannot be adjusted, then the conveyor device structure remains simple, but misalignment occurs when the electrode position deviates from the stacking position
Solution Approach 1:
The planar motor device serves multiple functions: it conveys electrodes, positions them precisely, orients them correctly, and adjusts their location dynamically. This multi-functional approach consolidates what would otherwise require separate adjustment mechanisms, achieving high adaptability without proportionally increasing system complexity.
Solution Approach 2:
The patent replaces traditional mechanical adjustment mechanisms with a planar motor system that uses electromagnetic fields for positioning. This substitution eliminates complex mechanical linkages, gears, and manual adjustment devices, achieving precise position control through electrical control while maintaining relatively simple overall device structure.
3Reliability
If conventional linear motor conveyors are used for stacking, then the system structure is straightforward, but it is impossible to align and stack electrodes when the holding position deviates from the stacking position
Solution Approach 1:
The planar motor system incorporates position detection and control mechanisms that monitor the electrode's actual position and adjust the mover's position accordingly. This feedback loop ensures that the electrode is always positioned correctly for stacking, dramatically improving stacking success rate and reliability.
Solution Approach 2:
The system performs preliminary positioning and alignment of the electrode before the stacking operation. The planar motor conveyor positions the electrode at the correct location and orientation in advance, ensuring that when stacking occurs, perfect alignment is already achieved, thereby guaranteeing stacking success.
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 accurate stacking of sheet-shaped electrodes by adjusting the position of already stacked electrodes, overcoming misalignment issues in conventional systems.
Implementation Method 1
a planar motor device comprised of a flat plate shaped stator and a plurality of movers able to move on a flat surface of the stator in any direction along the flat surface and able to rotate about a perpendicular axis of the flat surface in a state magnetically floating from the flat surface
Data Source
AI summary
An electrode stacking apparatus provided with a planar motor device (B) comprised of a flat plate-shaped stator (50) and a plurality of movers (40) able to move on a flat surface (51) of the stator in any direction along the flat surface (51) and able to rotate about a perpendicular axis of the flat surface (51) in a state magnetically floating from the flat surface (51). When stacking a new sheet-shaped electrode (1) held by an electrode conveyor device (A) arranged above the planar motor device (B) on a stacked electrode holder (60) of a mover (40), the mover (40) is made to move in synchronization with movement of the new sheet-shaped electrode (1) so that the new sheet-shaped electrode (1) continues to face the sheet-shaped electrode stacking position on the stacked electrode holder (60).