Injection Molding System Defect Sorting and Post-Treatment Selection
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Solution Overview
Problem
Current injection molding systems lack an efficient method for selecting appropriate post-treatments for defective molded articles and implementing remediation measures, as they primarily categorize articles into non-defective and defective groups without detailing the necessary corrective actions based on defect types and causes.
Innovation Solution
An injection molding system incorporating multiple inspection apparatuses, a transport and sorting unit, and a designation system that groups molded articles by required post-treatments, along with a storage and analysis unit to correlate inspection results with molding data, facilitating targeted post-treatment selection and remediation measures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If molded articles are divided into two groups (non-defective and defective) using a simple inspection method, then the inspection process is simple and fast, but it is difficult to select appropriate post-treatments and implement remediation measures
Solution Approach 1:
The patent segments the inspection process into multiple independent inspection apparatuses, each examining different aspects of the molded article (appearance, dimensions, weight, etc.). This segmentation allows comprehensive defect characterization while maintaining modular, efficient inspection operations. Each inspection unit operates independently and contributes specific data to the overall defect analysis.
Solution Approach 2:
The patent transitions from a single-dimension binary classification (defective/non-defective) to a multi-dimensional classification system. By incorporating multiple inspection criteria and defect types, the system creates a comprehensive defect profile that enables precise post-treatment selection. This dimensional expansion transforms the inspection output from a simple pass/fail result to a detailed defect characterization.
2Ease of operation
If multiple inspection apparatuses are used to inspect molded articles in detail, then post-treatment selection becomes easier, but the system complexity and cost increase
Solution Approach 1:
The patent implements a universal data management and analysis system that handles data from multiple different inspection apparatuses through a single integrated platform. The defect information management apparatus and remediation measure determination apparatus serve multiple functions: collecting data from various sources, analyzing defect patterns, determining appropriate post-treatments, and managing the entire inspection workflow. This multi-functionality reduces the need for separate complex systems for each inspection task.
Solution Approach 2:
The patent introduces intermediary components (data management apparatus, analysis apparatus) that mediate between the multiple inspection apparatuses and the final decision-making process. These intermediaries standardize and integrate data from different sources, transforming diverse inspection outputs into a unified defect profile that simplifies downstream processing and post-treatment selection.
3Reliability
If comprehensive inspection data is collected from multiple apparatuses, then remediation measures can be accurately determined, but data management and analysis become more complex
Solution Approach 1:
The patent implements a feedback mechanism where inspection results from multiple apparatuses are continuously fed into the data management and analysis system, which then determines appropriate remediation measures. The system uses this feedback loop to refine defect characterization and improve post-treatment selection accuracy over time. The determination of remediation measures based on comprehensive defect profiles creates a closed-loop system that enhances reliability.
Solution Approach 2:
The patent creates a digital replica or model of the physical defect through comprehensive data collection from multiple inspection apparatuses. By constructing a detailed defect information profile that mirrors the actual physical conditions, the system enables accurate analysis and remediation planning without requiring physical manipulation of the molded article. This digital modeling simplifies data management while maintaining high reliability.
Data Source
AI summary
An injection molding system includes a plurality of inspection apparatuses for inspecting molded article quality, a unit that transports a molded article molded by an injection molding machine, a molded article containment unit that is provided for each of types of post-treatment operations needed for the molded article, a transport destination designation unit that selects and designates the molded article containment unit to contain the molded article on the basis of a combination of inspection results from the plurality of inspection apparatuses, and a molded article sorting and transport unit that sorts and transports the molded article into the molded article containment unit designated by the transport destination designation unit.