Component Supply Device Tape Alignment Control
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Solution Overview
Problem
Existing component supply devices face challenges in accurately aligning the center of component storage units on component storage tapes with the extraction position, leading to degraded extraction properties and reduced supply efficiency due to varying tape lengths and complexities in feeding mechanisms.
Innovation Solution
A component supply device with a first tape feed-out unit, a second tape feed-out unit, a tape introduction guiding unit, and a control unit that calculates and adjusts the tape length to ensure the center of the component storage unit coincides with the extraction position, using a mark for alignment and calculations based on standard tape lengths and separation distances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a component storage tape with varying lengths is used, then the device can accommodate different component types, but the center of the component storage unit cannot be accurately aligned with the extraction position
Solution Approach 1:
The system performs preliminary measurement of the actual tape length before component extraction. The measurement unit measures the distance from the tape start position to the component storage unit center, and the control unit calculates the required feed-out distance based on this measurement, ensuring accurate alignment before extraction occurs
Solution Approach 2:
The system implements a feedback mechanism where the actual tape length is measured and fed back to the control unit. The control unit then adjusts the feed-out distance of the tape based on this feedback information, dynamically compensating for variations in tape length to maintain precise alignment with the extraction position
2Device complexity
If the tape feed-out mechanism is simplified, then the device complexity is reduced, but the ability to accurately control tape feed-out distance is degraded
Solution Approach 1:
The system replaces complex mechanical feed-out control mechanisms with an information-processing approach. Instead of using multiple mechanical sensors and adjustment mechanisms, the system uses a measurement unit to detect tape length and a control unit to calculate the appropriate feed-out distance, substituting mechanical complexity with computational control
Solution Approach 2:
The system dynamically changes the feed-out distance parameter based on the measured tape length. The control unit calculates the feed-out distance as a function of the actual tape length, allowing precise control of the tape position by adjusting this parameter rather than using complex mechanical positioning systems
3Ease of operation
If the center of the component storage unit is misaligned with the extraction position, then the component extraction process becomes simpler, but the extraction property and supply efficiency are degraded
Solution Approach 1:
The system performs preliminary alignment by measuring the tape length and calculating the required feed-out distance before component extraction. This preliminary action ensures that the component storage unit center is accurately positioned at the extraction position, preventing extraction errors and maintaining high supply efficiency
Data Source
AI summary
A component supply device, in which, a component storage tape is introduced to a first tape feed-out, unit through a tape introduction guiding unit, a first tape feed-out control unit controls the first tape feed-out unit to feed out the component storage tape. A first calculation unit calculates a standard tape length of the component storage tape. A second calculation unit calculates, based on the standard tape length, a target feed-out length of the component storage tape to be fed out by the second tape feed-out unit, so that a center of a leading component storage unit of the component storage tape coincides with a component extraction position. A second tape feed-out control unit controls the second tape feed-out unit so that the component storage tape is fed out based on the target feed-out length.