Laser Cutting Device Curved Suction Unit Impurity Removal
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Solution Overview
Problem
Existing laser cutting devices face challenges in efficiently removing impurities generated during the cutting process of flexible display substrates, which can affect the precision and quality of the cutting process.
Innovation Solution
A laser cutting device is designed with a suction unit that includes a curved surface and a nozzle system to effectively capture and discharge impurities along the curved surface, utilizing a gas supply to enhance the removal of impurities through the Coanda effect, and a collection unit to filter and discharge the impurities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional laser cutting device is used, then the cutting process can be performed, but impurities are not effectively removed, affecting cutting precision and quality
Solution Approach 1:
The suction unit is designed to extract and remove impurities generated during laser cutting from the cutting area. The suction main body with its hollow region and strategically positioned exhaust parts capture impurities at their source, preventing them from affecting cutting precision while allowing the laser cutting process to continue effectively
Solution Approach 2:
Gas is introduced as an intermediary substance to carry impurities away from the cutting area. The gas flows through the hollow region of the suction main body, entraining impurities and transporting them through the exhaust parts to the collection unit, thereby mediating the removal process without directly interfering with the laser cutting
2Manufacturing precision
If impurities are not removed during laser cutting, then the device structure remains simple, but cutting quality deteriorates due to impurity accumulation
Solution Approach 1:
The suction unit is merged with the laser main body through coupling at the header, integrating the impurity removal function into the existing laser cutting device structure. The collection unit is connected via a connection pipe, creating a unified system that maintains cutting quality without requiring completely separate removal equipment
Solution Approach 2:
The hollow region of the suction main body serves multiple functions: it provides a passage for gas flow, creates suction zones through its exhaust parts, and facilitates the transport of impurities. This multi-functionality reduces the need for additional separate components, balancing device complexity with cutting quality requirements
3Manufacturing precision
If a suction system is added to remove impurities, then cutting precision is maintained, but the device complexity increases
Solution Approach 1:
The suction unit is segmented into distinct functional components: the suction main body with hollow region for gas flow, multiple exhaust parts positioned at different locations for comprehensive impurity capture, and connection points for the collection unit. This segmentation allows each component to perform its specific function efficiently while maintaining overall system manageability
Solution Approach 2:
The exhaust parts are nested within or on the surface of the suction main body, with the hollow region providing a nested passage for gas flow. The connection pipe connects to the suction main body through penetrated portions, creating a nested arrangement that maximizes impurity removal coverage while minimizing the overall space occupied by the suction system
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 device ensures precise cutting of flexible display substrates by effectively removing impurities, maintaining the quality of the cutting process and enabling the production of multiple display devices simultaneously.
Implementation Method 1
utilizing a gas supply to enhance the removal of impurities through the Coanda effect
Implementation Method 2
a laser beam generation unit emitting a laser beam
Data Source
AI summary
A laser cutting device, including a laser beam generation unit emitting a laser beam; an optical system on a traveling path of the laser beam; a laser main body providing a passage through which the laser beam travels towards a substrate after passing through the optical system; a suction unit coupled to a header of the laser main body and sucking impurities, the suction unit including a curved surface therein; and a collection unit connected to the suction unit and collecting discharged impurities, the impurities being discharged to the collection unit along the curved surface inside the suction unit.


