Electrode Strip Conveying With AI Deviation Compensation
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Solution Overview
Problem
Automatic machines for producing planar batteries face challenges in accurately conveying and cutting electrode strips due to imperfections in the reels, leading to misalignments and reduced battery quality, as well as inefficiencies caused by high-speed linear movements and random deviations.
Innovation Solution
The method involves a cutting and conveying apparatus with a belt conveyor and a pair of rollers actuable in rotation, which compensates for deceleration and positioning errors using an artificial intelligence algorithm to control the gripping and cutting assembly, ensuring precise alignment and feeding of electrode strip portions to the lamination unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If high-speed linear movement is used for conveying electrode strips, then productivity is improved, but manufacturing precision deteriorates due to misalignments and random deviations
Solution Approach 1:
The patent replaces the traditional high-speed linear reciprocating mechanical conveying system with a rotational conveying system. The gripping assembly rotates continuously, carrying electrode strips through the cutting zone and delivering them to the lamination unit. This substitution of linear reciprocating motion with rotational motion eliminates the deceleration phases that cause misalignments and random deviations, thereby maintaining manufacturing precision while preserving high productivity.
Solution Approach 2:
The patent changes the fundamental motion parameter from linear reciprocating velocity to rotational speed. By controlling the rotational speed of the gripping assembly and the synchronized rotation of the delivering assembly, the system maintains precise alignment of electrode strips throughout the conveying process. This parameter change allows continuous operation without the start-stop-decelerate cycles that degrade precision in linear systems.
2Device complexity
If traditional linear reciprocating conveying is used, then device complexity is reduced, but manufacturing precision deteriorates due to deceleration errors
Solution Approach 1:
The patent replaces the linear reciprocating conveying mechanism with a rotational conveying mechanism. The gripping assembly rotates continuously, and the delivering assembly rotates in synchronization. This eliminates the need for complex deceleration and positioning control systems required in linear reciprocating systems, as rotational motion naturally provides smoother, more consistent delivery without abrupt deceleration phases that cause positioning errors.
3Productivity
If high-speed cutting and conveying is implemented, then productivity is improved, but reliability deteriorates due to jams and misalignments
Solution Approach 1:
The patent replaces the high-speed linear reciprocating system with a continuous rotational system. The gripping assembly rotates continuously, maintaining constant speed throughout the conveying cycle. This eliminates the acceleration and deceleration phases that cause misalignments and jams, thereby improving operational stability and reliability while maintaining high production rates. The synchronized rotation of the delivering assembly ensures smooth transfer of electrode strips to the lamination unit without disruptions.
Data Source
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AI summary
Method for conveying an electrode strip (3, E) for the production of electrical energy storage devices, comprising the steps of: conveying the electrode strip (3, E); gripping it at subsequent portions; detecting the position of each portion by means of a sensor (23); calculating at least one deviation (ΔT, ΔD, ΔR) between the relative position detected and a nominal position (PTn, PDn, PRn); training at least one artificial intelligence algorithm with a sequence of deviations ({ΔTi}, {ΔDi}, {ΔRi}); determining at least one expected deviation (ΔTf, ΔDf, ΔRf) for at least one subsequent strip portion; and controlling the position of said subsequent strip portion so as to compensate for said at least one expected deviation (ΔTf, ΔDf, ΔRf).