Centering Unit for Electronic Cigarette Cartridge Assembly
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Solution Overview
Problem
Current production lines for electronic cigarette cartridges face challenges in efficiently assembling complex components, such as ensuring interlocking coupling, correct orientation of electrical contacts, and precise positioning of sealing gaskets, especially at high production volumes.
Innovation Solution
An apparatus with a conveying line and centering unit that aligns and positions receptacle bodies and closure elements for precise coupling, using a gripping head and manipulator robot to handle multiple components simultaneously, allowing for rapid and accurate assembly without requiring precise initial positioning of individual components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual assembly steps are used for cartridge components, then assembly precision for interlocking coupling and sealing can be achieved, but production volume and efficiency are limited
Solution Approach 1:
The assembly system is divided into separate functional modules: a conveying line for transporting receptacle bodies, a centering unit for positioning closure elements, and a gripping head for application. This segmentation allows each module to be optimized independently while working together to achieve high-volume automated assembly with precise coupling and sealing.
2Productivity
If automated assembly is implemented to increase production volume, then productivity improves, but ensuring correct orientation of electrical contacts and precise positioning of sealing gaskets becomes more difficult
Solution Approach 1:
The centering unit performs preliminary positioning of the closure element before it is applied to the receptacle body. The guide surfaces pre-align the closure element's electrical contacts and sealing gasket in the correct orientation, ensuring manufacturing precision is maintained even as assembly speed increases through automation.
3Productivity
If high-speed automated assembly is used, then production capacity increases, but the complexity of ensuring correct coupling and sealing increases
Solution Approach 1:
The centering unit acts as an intermediary between the conveying line and the gripping head. It simplifies the overall system by providing a dedicated positioning station that uses guide surfaces to automatically align components, reducing the complexity requirements for the gripping head and conveying line while maintaining high production capacity.
4Manufacturing precision
If precise initial positioning of individual components is required, then assembly precision can be maintained, but assembly time and production efficiency decrease
Solution Approach 1:
The closure element's own geometric features are utilized to achieve self-positioning. The guide surfaces in the centering unit work with the closure element's shape to automatically orient it correctly during the assembly process, eliminating the need for complex external positioning mechanisms and reducing assembly time while maintaining precision.
Data Source
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AI summary
An apparatus and method is described for applying a closure element (107) to a receptacle body (111) of a cartridge for electronic cigarettes. The apparatus uses a centering unit (18) which allows the two components to be placed in a predetermined reciprocal position, for correctly applying the closing element on the receptacle body.