Multi-Component Lead Imaging for Faster Work Machine Mounting
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Solution Overview
Problem
Conventional work machines require excessive time to image components held by component holding tools due to individual imaging of each component, which hampers efficient component mounting operations.
Innovation Solution
The work machine is equipped with a holding head featuring multiple component holders that can be lowered collectively to allow simultaneous imaging of leads from multiple components, utilizing a component camera with side lighting and incident lighting to capture images efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If components are imaged individually by the component camera, then the imaging process is simple and straightforward, but the time required to image multiple components becomes excessively long
Solution Approach 1:
The patent merges multiple individual imaging operations into a single collective imaging operation by lowering the holding head with multiple component holders to a position where all components can be imaged simultaneously by the component camera, thus dramatically reducing total imaging time while maintaining manageable system complexity
Solution Approach 2:
The patent transitions from a one-by-one imaging approach (sequential in time) to a simultaneous multi-component imaging approach by changing the spatial dimension of the imaging operation, allowing the component camera to capture multiple components in a single frame through coordinated positioning of the holding head
2Productivity
If the holding head is lowered to collectively image multiple components, then imaging time is reduced, but the coordination and control of multiple component holders becomes more complex
Solution Approach 1:
The holding head is designed as a multi-functional unit that can simultaneously perform multiple functions: holding multiple different components in its component holders and positioning them collectively for simultaneous imaging, thereby increasing productivity without proportionally increasing system complexity
Solution Approach 2:
The control device acts as an intermediary that coordinates the complex operations of multiple component holders and the component camera, managing the lowering and positioning actions to enable simultaneous imaging while keeping the control architecture manageable and systematic
Data Source
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AI summary
A work machine comprising: a holding head provided with multiple component holding tools; a moving device configured to move the holding head in a horizontal plane direction and a vertical direction; an imaging device provided with side lighting configured to emit light from a side direction onto leads of the components held by the component holding tools; and a control device, wherein the control device is provided with a first lowering instruction section configured to lower the holding head such that the leads of at least two components held by at least two of the multiple component holding tools enter a lighting range of the side lighting, a first imaging instruction section configured to image the leads of the at least two components based on reflected light of the side lighting that is reflected by the leads of the components, and a first calculating section configured to calculate a position of the leads of the at least two components based on image data imaged by the first imaging instruction section.