Component Mounting Device with Pre-Extraction Imaging Detection
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Solution Overview
Problem
Conventional component mounting apparatuses lack the ability to reliably detect and correct the state of components during extraction from a supply unit, leading to inefficiencies in the mounting process.
Innovation Solution
An electronic component mounting apparatus equipped with imaging cameras and sensors that capture and analyze the state of components on suction nozzles, allowing for real-time detection of extraction errors such as oblique or absent components, and adjusting the extraction process accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If component extraction is performed without pre-extraction detection, then the mounting process is faster, but the reliability of component extraction deteriorates due to undetected extraction errors
Solution Approach 1:
The imaging camera captures images of components at the supply position before extraction occurs. This preliminary detection allows the system to identify extraction errors (oblique components, missing components) in advance, enabling corrective actions to be taken before the mounting process begins, thus ensuring reliable extraction without compromising productivity
Solution Approach 2:
The system uses imaging cameras to continuously monitor component states at the supply position and provides feedback to the control unit. Based on this feedback, the system can automatically adjust extraction parameters or alert operators to issues, creating a closed-loop control system that improves extraction reliability while maintaining efficient throughput
2Measurement precision
If imaging detection is added to monitor component extraction, then extraction accuracy improves, but device complexity increases
Solution Approach 1:
The imaging camera serves as an intermediary detection device that non-contactfully captures component images. This intermediary approach enables precise measurement of component states (orientation, presence) without physically interacting with the components or requiring complex mechanical detection mechanisms, thus achieving high measurement precision while adding minimal complexity
Solution Approach 2:
The patent replaces potential mechanical detection methods with optical imaging detection. By using imaging cameras to capture and analyze component images, the system achieves accurate component state detection without complex mechanical sensors or actuators, reducing overall device complexity while maintaining high detection precision
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
Enables reliable extraction and mounting of components by accurately identifying and addressing extraction errors, thereby improving the overall efficiency and productivity of the component mounting process.
Implementation Method 1
a suction nozzle extracts an electronic component from a storage portion
Data Source
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AI summary
An electric component mounting apparatus includes: a component supply unit (8) for advancing a tape (T) storing components to thereby supply a component to a predetermined supply position; a holder (5) for extracting the component from the component supply unit and mounting the component onto a substrate; and a supply detector (251) for detecting whether the component is at the supply position or whether the supplied component is in an abnormal posture.