Peeling Blade Height Detection in Auto-Loading Feeder
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Solution Overview
Problem
In auto loading feeders, the peeling blade's height position change due to deterioration or thermal deformation can prevent the cover tape from being peeled off from the base tape, and existing systems lack a means to detect this issue in advance.
Innovation Solution
An inspection device with a height detection sensor and a height discrimination section that monitors the peeling blade's position relative to the tape guide main body, allowing for early detection of a height change that would prevent peeling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the peeling blade height position is fixed without adjustment means, then the device structure is simple, but the reliability deteriorates when thermal deformation or deterioration occurs
Solution Approach 1:
The inspection device performs preliminary detection of the peeling blade's height position before actual peeling operation. By measuring the distance between the peeling blade and carrier tape in advance, the system can identify potential peeling failures before they occur, allowing for preventive maintenance or adjustment.
Solution Approach 2:
The inspection device provides feedback information about the peeling blade's height position to the control unit. This feedback mechanism enables the system to monitor the peeling blade status continuously and trigger alerts or adjustments when the height position deviates from the optimal range, ensuring reliable peeling operation.
2Loss of time
If no inspection means is provided, then the device complexity is low, but the loss of time increases due to undetected peeling failures
Solution Approach 1:
The inspection device performs preliminary detection of the peeling blade's height position before actual peeling operation. By measuring the distance between the peeling blade and carrier tape in advance, the system can identify potential peeling failures before they occur, allowing for preventive maintenance or adjustment.
Solution Approach 2:
The inspection device provides feedback information about the peeling blade's height position to the control unit. This feedback mechanism enables the system to monitor the peeling blade status continuously and trigger alerts or adjustments when the height position deviates from the optimal range, ensuring reliable peeling operation.
3Manufacturing precision
If the peeling blade height cannot be monitored, then the measurement precision requirement is low, but the manufacturing precision deteriorates due to unmonitored height changes
Solution Approach 1:
The inspection device replaces complex mechanical measurement systems with a non-contact optical sensor. The sensor optically measures the distance between the peeling blade and carrier tape without physical contact, eliminating the need for complex mechanical linkages, gears, or contact-based measurement mechanisms while achieving high measurement 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 the detection of peeling blade height issues before they cause peeling failures, ensuring continuous operation of the auto loading feeder and electronic component mounter.
Implementation Method 1
a height detection sensor configured to output a signal corresponding to a height position of the peeling blade with respect to a reference point on the tape guide main body
Data Source
AI summary
An auto loading feeder has a tape guide main body and a peeling blade extending in the conveyance direction with an cutting edge directed towards an upstream side configured to peel off the cover tape from the base tape of the carrier tape which is guided by the tape guide main body. An inspection device for the auto loading feeder includes a height detection sensor configured to output a signal corresponding to a height position of the peeling blade with respect to a reference point on the tape guide main body, and a height discrimination section configured to discriminate whether a height position of the peeling blade with respect to the carrier tape which is being guided by the tape guide main body stays within a predetermined range based on an output signal of the height detection sensor.