KR950012522A

KR950012522A - Electron bag defect identification device

Info

Publication number: KR950012522A
Application number: KR1019930022242A
Authority: KR
Inventors: 이동활; 허민석
Original assignee: 이헌조; 주식회사 금성사
Priority date: 1993-10-25
Filing date: 1993-10-25
Publication date: 1995-05-16

Abstract

본 발명은 전자총 봉지 불량 판별 장치에 관한 것으로, 종래에는 작업자의 시각에 의존하여 브라운관의 네크에 삽입된 전자총의 중심선이 네크의 중심선과 일치하는지를 판별함으로써 미세한 불량을 사전에 검출하기 어려울 뿐아니라 네크와 전자총의 중심축을 한쪽 방향에서만 검출함으로 불량품으로 모두 제거하지 못하여 불량품이 후 공정에 투입되어 제품의 질을 저하시키는 문제점이 있었다.The present invention relates to an electron gun encapsulation failure discrimination apparatus, and conventionally, it is difficult to detect fine defects in advance by determining whether the center line of the electron gun inserted into the neck of the CRT coincides with the center line of the neck depending on the operator's vision. Since the central axis of the electron gun is detected only in one direction, it cannot be removed as a defective product, so that the defective product is put into a later process to deteriorate the quality of the product.

이러한 점을 해결하기 위하여 본 발명은 씨씨디 카메라로 네크의 중심축과 그 네크의 삽입·고정된 전자총의 중심축을 X,Y양방향에서 검출한 후 그 편차를 계산하고 그 계산된 편차를 허용 오차와 비교하여 불량여부를 판별하도록 창안한 것으로, 작업자의 시각에 의존하여 불량품을 판정함으로써 불량품의 후 공정유입을 방지하던 종래와는 달리 씨씨디 카메라를 이용하여 불량품을 판별함으로써 정확한 불량 판정에 의해 불량품의 양산을 방지할 수 있음은 물론 장기적으로 품질 향상에 기여할 수 있다.In order to solve this problem, the present invention detects the center axis of the neck and the center axis of the inserted and fixed electron gun with the CD camera in both X and Y directions, calculates the deviation, and calculates the deviation. Compared with the conventional method, which prevents the inflow of the defective product by determining the defective product based on the operator's time, it is possible to determine the defective product by using the CD camera. Not only can mass production be prevented, but it can also contribute to quality improvement in the long run.

Description

Electron bag defect identification device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명 전자총 봉지 불량 측정 장치의 블럭도.2 is a block diagram of the electron gun encapsulation failure measuring device of the present invention.

제3도는 본 발명에 따른 전자총 봉지 불량 측정시 신호 흐름도.3 is a signal flow chart during the electron gun encapsulation failure measurement according to the present invention.

Claims

An optical sensor 6 for detecting whether the CRT 8 has arrived at the inspection position, a digital input 7 for digitally converting the output of the sensor 6, and a light source 1 of the CRT 9 The output of the CD cameras 2 and 3 and the CD cameras 2 and 3 which change the image of the neck 10 and the electron gun 11 in the neck 10 into electrical signals are processed at high speed. When the output of the image processing unit 4 and the sound digital input unit 7 are detected and the arrival of the CRT 9 is determined, the light source 1 is turned on, and the output of the image processing unit 4 is arithmeticly processed. The PC (5) for checking whether the insertion or fixing state of the electron gun (11) is defective and the control signal according to the PC 5 discriminating the encapsulation failure of the electron gun (11) are input to the Brown (9). An electron gun encapsulation failure determining device, characterized by comprising a take-out robot (8) for taking out a product in which a failure has occurred.

The method of claim 1, wherein the CD camera (2) (3) is installed so as to acquire the neck 10 and the image of the electron gun 11 inserted and fixed in the neck 10 in both X and Y directions. Electron bag bag failure discrimination apparatus to do.

The PC 5 calculates the central axis of the neck 10 and then calculates the central axis of the electron gun 11 inserted and fixed in the neck 10 so that the deviation of the central axes is smaller than the tolerance. An electron gun encapsulation defect discrimination apparatus, characterized in that it is determined to be a pain and a defect if not small.

※ Note: The disclosure is based on the initial application.