Molded Article Transfer via Simultaneous Mold Retraction and Stripping
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Solution Overview
Problem
Current molding systems face challenges in reliably transferring molded articles from a moveable mold half to a post-mold tool receptacle, often resulting in inefficient ejection and positioning of articles.
Innovation Solution
A method involving the positioning of the moveable mold half relative to the post-mold tool to align the molded article with the receptacle, followed by retracting the mold half while extending a stripping device to eject and transfer the article into the receptacle, controlled by a controller with embedded instructions for the molding system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the moveable mold half is retracted without positioning the article closer to the receptacle, then the ejection process is simpler, but the transfer accuracy and reliability deteriorate
Solution Approach 1:
The moveable mold half is positioned closer to the receptacle before ejection occurs. This preliminary positioning action ensures that the molded article is already in optimal proximity to the receptacle, thereby improving transfer accuracy and reliability without requiring complex post-ejection positioning mechanisms
2Reliability
If the molded article is ejected without being positioned closer to the receptacle, then the ejection mechanism is simpler, but the transfer reliability deteriorates
Solution Approach 1:
The system performs preliminary positioning of the moveable mold half relative to the receptacle before the ejection action. This ensures the article is optimally positioned for transfer, improving reliability without requiring complex positioning mechanisms during the actual ejection moment
3Productivity
If the moveable mold half is retracted while simultaneously extending the stripping device, then the transfer efficiency is improved, but the control complexity increases
Solution Approach 1:
The retraction of the moveable mold half and the extension of the stripping device are combined into a single simultaneous action. This merging of movements improves transfer efficiency by reducing cycle time, while the controller manages the coordination of these coupled movements
Solution Approach 2:
The controller monitors and coordinates the simultaneous movements of the moveable mold half and stripping device, ensuring proper synchronization. This feedback control manages the complexity of coordinated movements while maintaining high transfer efficiency
Data Source
AI summary
Disclosed herein, amongst other things, is a method of transferring a molded article from a moveable mold half of a mold into a receptacle of a post-mold tool. The method includes positioning the moveable mold half relative to the post-mold tool to position the molded article thereon closer to the receptacle and retracting the moveable mold half while simultaneously extending a stripping device to eject the molded article from the moveable mold half and to transfer it into the receptacle.