Welding Mask Jig Structure for Precise Lead Bending
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Solution Overview
Problem
Existing mask jigs for welding current collector plates in secondary batteries do not effectively allow for precise bending of the lead portion during the welding process, leading to reduced processability.
Innovation Solution
A mask jig with a receiving groove and through hole configuration that accommodates the current collector plate, featuring a second groove with a protrusion to press the lead portion, ensuring accurate bending without interference and allowing for efficient laser welding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional mask jig without a second groove is used, then the structure is simple, but the lead portion cannot be bent at a preset position during welding
Solution Approach 1:
The receiving groove is segmented into a first groove for the battery can and a second groove for the lead portion, allowing independent positioning and bending control of each component during welding
Solution Approach 2:
The second groove is pre-formed with the appropriate depth and shape to enable the lead portion to be bent at a preset position before welding occurs, ensuring precise bending without additional processes
2Reliability
If the lead portion is not accommodated in a second groove, then the mask jig structure is simple, but the lead portion interferes with the battery can during welding
Solution Approach 1:
The receiving groove is divided into a first groove for the battery can and a second groove for the lead portion, allowing independent positioning and preventing interference between components during welding
Solution Approach 2:
The second groove acts as an intermediary structure that accommodates the lead portion, preventing direct interference with the battery can while enabling proper positioning and bending during the welding process
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 mask jig enables precise bending of the lead portion at a preset position, improving processability and ensuring consistent welding without additional bending processes.
Implementation Method 1
at least one through hole formed through the other side of the body to the receiving groove and configured to allow a laser beam to enter the current collector plate located in the receiving groove
Data Source
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AI summary
A mask jig for welding according to an embodiment of the present disclosure may include a body; a receiving groove recessed to a predetermined depth on one side of the body and configured to accommodate a current collector plate; and at least one through hole formed through the other side of the body to the receiving groove and configured to allow a laser beam to enter the current collector plate located in the receiving groove. The receiving groove may include a first groove communicating with the through hole; and a second groove extending radially outward from the first groove.