Component Mounter Waste Tape Scraping Mechanism
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Solution Overview
Problem
The increasing speed of component mounters generates large volumes of cut carrier and cover tapes in a short time, requiring frequent manual movement of storage members across manufacturing lines, which is time-consuming and inefficient.
Innovation Solution
A component mounter system that includes a waste box for storing cut tapes, a scraping device to remove the tapes when a predetermined amount is reached, and a control device to automate the scraping and collection process, with a collection device that can move between multiple mounters to collect the tapes efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If component mounter operates at high speed, then productivity is improved, but large volumes of cut tape are generated in a short time requiring frequent manual handling
Solution Approach 1:
The system enables automatic self-service through the control device that monitors waste box fill levels and automatically activates the scraping device to eject tapes when the predetermined amount is reached, eliminating the need for manual intervention and allowing the mounter to continue high-speed operation without interruption
Solution Approach 2:
The waste box provides preliminary storage capacity for accumulated cut tapes before ejection is needed. The scraping device is pre-positioned and ready to activate automatically when the predetermined fill level is reached, ensuring continuous operation without manual intervention
2Ease of operation
If operator frequently moves storage members between multiple component mounters, then tape waste can be collected, but the work is very time consuming
Solution Approach 1:
Each component mounter is equipped with its own waste box and scraping device that automatically ejects tapes when full. The collection device with moving mechanism autonomously travels between mounters to collect tapes, completely eliminating the need for operators to manually move storage members between machines
Solution Approach 2:
The manual mechanical operation of moving storage members by operators is replaced by an automated system consisting of the moving mechanism that autonomously transports the collection device between mounters, and the scraping device that automatically ejects tapes using mechanical force
3Manufacturing precision
If tape ejection box is inclined toward operation side, then tape waste can be accumulated without unevenness, but the structure becomes more complex
Solution Approach 1:
The scraping device uses a horizontally moving scraper that moves parallel to the bottom face of the waste box, creating an equipotential scanning path that ensures uniform tape accumulation across the entire box width without requiring the box itself to be inclined
Data Source
Figure 1
Figure 2
Figure 3(a)~3(d)
AI summary
With component mounter 1, even if a large amount of cover tape 33 and carrier tape 34 after cutting is generated in a short time, because the tapes 33 and 34 can be temporarily stored in waste box 6, the processing frequency of the tapes 33 and 34 can be reduced. Further, when the amount of tapes 33 and 34 stored in waste box 6 reaches a predetermined amount, because the tapes 33 and 34 can be automatically scraped out of waste box 6, the processing efficiency of the tapes 33 and 34 can be improved.