Pattern Jig Brush Cleaning for Laser Notching Contamination
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Solution Overview
Problem
Current laser notching machines for secondary battery electrode formation suffer from decreased efficiency due to heat-generated fumes and particles adhering to pattern jigs, causing contamination during the cutting process.
Innovation Solution
An automatic cleaning device that rotates a brush unit to remove contaminants from the pattern jig after a predetermined time, using a rotary rod and brush motors to position and vacuum-suction contaminants for discharge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If laser notching is used to cut electrode material, then cutting precision and reduced electrode damage are improved, but heat-generated fumes and particles adhere to the pattern jig causing contamination
Solution Approach 1:
The harmful fumes and particles are extracted from the pattern jig surface using a vacuum suction device positioned adjacent to the brush unit, separating the contamination removal function from the cutting process
Solution Approach 2:
A brush unit is introduced as an intermediary mechanism between the laser cutting process and the vacuum suction system, mechanically removing adhered particles before they can cause significant contamination
2Object-affected harmful factors
If manual cleaning of pattern jig is performed, then contamination is removed, but production time is lost and efficiency decreases
Solution Approach 1:
The pattern jig cleaning is automated through a self-service mechanism where the brush unit automatically contacts and cleans the pattern jig surface during or after the cutting process, eliminating the need for manual intervention
Solution Approach 2:
The cleaning operation is integrated into the cutting process flow, with the brush unit operating continuously or periodically to maintain the pattern jig surface without interrupting production cycles
3Object-affected harmful factors
If brush rotation speed is increased to improve cleaning effectiveness, then particle removal is enhanced, but energy consumption and mechanical stress increase
Solution Approach 1:
The brush rotation is implemented as a periodic action rather than continuous high-speed rotation, with the brush unit activating only when contamination is detected or at predetermined intervals, reducing overall energy consumption while maintaining effective cleaning
Solution Approach 2:
The brush rotation speed and activation are made dynamic rather than static, allowing the system to adjust brush operation parameters based on actual contamination levels and process conditions, optimizing the balance between cleaning effectiveness and energy use
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
Effectively cleans the pattern jig by automatically rotating brushes to remove particles and fumes, ensuring a clean and efficient operation by vacuum-suctioning and discharging contaminants.
Implementation Method 1
a pair of brushes installed on a side of the brush unit to be rotatable by brush rotation motors
Implementation Method 2
the brushes can cleanly remove contaminants such as particles, which adhering to a cut portion of a pattern jig due to high temperature
Implementation Method 3
it is possible to vacuum-suction and discharge the contaminants
Data Source
AI summary
An automatic cleaning device of a pattern jig after laser notching includes: a rotary rod coupled to the center of a pattern jig to rotate the pattern jig; a pair of brushes rotatably installed on a side of a brush unit; brush rotation motors for rotating the brushes; left and right brush carriers for carrying the brushes left and right; a vertical brush unit carrier installed at the brush unit to be movable up and down; a forward and backward brush unit carrier coupled to the vertical brush unit carrier and moving the brush unit forward and backward; and a forward and backward laser brush unit carrier coupled to the forward and backward brush unit carrier and moving together with the forward and backward brush unit carrier.