Housing Shelf Frame Release Correction Using Image Feedback
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Solution Overview
Problem
The accuracy of the release position of a frame from a chuck is degraded due to accumulated deformation after repeated passes through a firing kiln, affecting the precision of assembling or disassembling housing shelves and the production of ceramic fired bodies.
Innovation Solution
A method and system that utilize an imager and an illumination unit to determine the position of a target portion on the frame, calculating correction values to adjust the release position, ensuring accurate placement on a shelf plate, and a transferring system that includes a chuck, imager, and correction value determining unit to improve the accuracy of frame release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If frames are repeatedly passed through a firing kiln, then the production of ceramic fired bodies is achieved, but accumulated deformation of the frame occurs which degrades the accuracy of the release position from the chuck
Solution Approach 1:
The system performs preliminary measurement of the frame's inner wall surface position using an imager before the frame is released from the chuck. Based on the measured position, correction values are calculated in advance to compensate for accumulated deformation, ensuring accurate release position even after repeated kiln passes
Solution Approach 2:
The system implements a feedback mechanism where the imager continuously monitors the position of the frame's inner wall surface, and the correction value calculation unit adjusts the release position based on this feedback information, compensating for deformation accumulated during repeated firing cycles
2Measurement precision
If the inner wall surface of the frame is imaged to determine position, then accurate position determination is achieved, but shadows from the frame may be captured which degrades image quality
Solution Approach 1:
The illumination unit is strategically positioned to provide localized lighting that illuminates only the specific region of the inner wall surface that needs to be measured. This selective illumination ensures that shadows from other parts of the frame do not fall on the measurement area, maintaining image quality while enabling accurate position determination
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 accuracy of the release position of the frame onto the shelf plate, preventing deformation-related errors and ensuring precise assembly and production of ceramic fired bodies.
Implementation Method 1
an illumination unit is arranged between the imager and the imaged position of the frame
Implementation Method 2
the chuck may be provided with a reflective plate for reflecting a light that has been emitted from the illumination unit and transmitted through the inside of the frame
Data Source
AI summary
A method of assembling or disassembling a housing shelf configured at least from shelf plates and frames, including a step in which a chuck holds a frame; a step of determining, based on an image captured by an imager that captures an image of the frame held by the chuck and positioned at an imaged position, a position of a target portion of the frame on the image; and a step of determining, based on the determined position on the image, at least one correction value for causing a change in a release position for the frame when the frame is released from the chuck onto the shelf plate. The target portion may be an inner wall surface of the frame. An illumination unit may be arranged between the imager and the imaged position of the frame.