Battery Casing Position-Limiting Structure for Connector Alignment
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Solution Overview
Problem
The challenge in battery manufacturing lies in accurately positioning the connecting member within the battery casing, which affects production efficiency and yield due to difficulties in alignment during the assembly process.
Innovation Solution
Incorporating a position-limiting portion on the casing member at a predetermined distance from the opening, allowing the connecting member to be easily aligned and secured through welding with the cover plate, thereby facilitating efficient assembly and enhancing manufacturing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the connecting member is connected to the battery casing without a position-limiting portion, then the assembly process is simpler, but the positioning accuracy of the connecting member deteriorates
Solution Approach 1:
The battery casing is segmented into a casing body and a cover plate that can be assembled separately. The position-limiting portion is formed on the casing body, and the connecting member is positioned during assembly with the cover plate, enabling precise positioning without complicating the overall casing structure.
Solution Approach 2:
The position-limiting portion is pre-formed on the casing body before assembly. This preliminary structural feature guides the connecting member into the correct position during the assembly process, ensuring accurate positioning without requiring complex adjustment mechanisms.
2Measurement precision
If the connecting member is positioned without a position-limiting portion, then the manufacturing process is simpler, but the alignment accuracy during assembly deteriorates
Solution Approach 1:
The position-limiting portion enables the connecting member to self-align during assembly. The structural feature guides the connecting member into the correct position automatically, eliminating the need for complex external positioning tools or procedures while maintaining high alignment accuracy.
3Productivity
If the connecting member is secured without proper positioning, then the assembly speed is faster, but the production yield deteriorates due to misalignment
Solution Approach 1:
The position-limiting portion replaces complex mechanical positioning systems with a simple structural feature integrated into the casing. This enables rapid assembly through straightforward placement while ensuring consistent positioning accuracy, thereby improving both productivity and assembly quality.
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 solution improves the alignment and securement of the connecting member, leading to increased production efficiency and yield by reducing friction and metal chip issues during assembly, thus enhancing the safety and reliability of the battery.
Implementation Method 1
the casing member, the cover plate, and the connecting member are connected by welding
Data Source
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AI summary
A battery and a manufacturing method for the same are provided. The battery includes a battery casing (10), a cell (20) and a connecting member (60), the battery casing (10) includes a casing member (12) and a cover plate (11). The casing member (12) and the cover plate (11) are connected to form an accommodation space. The cell (20) is arranged in the accommodation space of the battery casing (10). The casing member (12) is provided with a position-limiting portion (121) for limiting a position of the connecting member (60). The connecting member (60) is engaged with the position-limiting portion (121), and the casing member (12), the cover plate (11), and the connecting member (60) are welded. By setting a position-limiting portion (121) at a predetermined distance from the opening of the casing member (12), the position-limiting portion (121) is used to limit the position of the connecting member (60).