Bulk Feeder Vibration Feedback for Stable Component Supply
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Solution Overview
Problem
Existing bulk feeders face challenges in maintaining a consistent and efficient component supply due to changes in operation environments, leading to reduced productivity in component mounters.
Innovation Solution
A bulk feeder system equipped with a track member, excitation device, and vibration sensor to detect the vibration state, allowing for the specification of natural frequencies and control of conveying operations based on these detections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the bulk feeder performs a predefined conveying operation, then the operation is simple and stable, but it cannot adapt to changes in operation environment leading to poor component supply
Solution Approach 1:
The patent implements feedback by detecting the vibration state of the track member during conveying operation and using this information to adjust control parameters. The vibration sensor monitors the actual conveying process, and the control device modifies the conveying operation based on the detected vibration characteristics, enabling adaptation to environmental changes while maintaining reasonable system complexity
Solution Approach 2:
The patent changes operational parameters dynamically by adjusting conveying parameters based on detected vibration state. The control device modifies vibration frequency, amplitude, or other conveying parameters in response to environmental changes, allowing the system to adapt without requiring complete redesign of the control architecture
2Productivity
If vibration is applied to convey multiple components, then component supply is improved, but the natural frequency varies due to component mass changes affecting supply consistency
Solution Approach 1:
The system continuously monitors the vibration state of the track member during component conveying and uses this feedback to detect changes in natural frequency. When component mass changes affect the natural frequency, the feedback mechanism triggers parameter adjustments to maintain consistent supply state, ensuring both productivity and reliability
Solution Approach 2:
The patent makes the conveying operation dynamic by allowing real-time adjustment of vibration parameters based on the actual vibration state. The system transitions from static predefined operations to dynamic adaptive control, where conveying parameters are continuously optimized according to the current component mass and vibration characteristics
3Reliability
If the conveying operation is set in advance, then the operation is stable and simple to control, but it cannot maintain good component supply when operation environment changes
Solution Approach 1:
The patent implements automated feedback control where the vibration state is continuously detected and automatically used to adjust conveying parameters. This automation maintains reliable component supply quality by adapting to environmental changes without requiring manual intervention, balancing supply reliability with appropriate levels of automation
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
Enhances the supply state of components by providing useful information on actual operations, thereby improving the productivity of component mounters.
Implementation Method 1
an excitation device configured to apply vibration to the track member so that the multiple components are conveyed along the conveyance path
Implementation Method 2
a vibration sensor configured to detect a vibration value indicating a vibration state of the track member that vibrates by the excitation of the excitation device
Data Source
AI summary
A bulk feeder includes a feeder main body, a track member provided vibratably with respect to the feeder main body and formed with a conveyance path through which multiple components are conveyed, an excitation device configured to apply vibration to the track member so that the multiple components are conveyed along the conveyance path, and a vibration sensor configured to detect a vibration value indicating a vibration state of the track member that vibrates by the excitation of the excitation device.