KR102147470B1 - Vision inspection device - Google Patents

Vision inspection device Download PDF

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KR102147470B1
KR102147470B1 KR1020200021200A KR20200021200A KR102147470B1 KR 102147470 B1 KR102147470 B1 KR 102147470B1 KR 1020200021200 A KR1020200021200 A KR 1020200021200A KR 20200021200 A KR20200021200 A KR 20200021200A KR 102147470 B1 KR102147470 B1 KR 102147470B1
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inspection
vision inspection
inspected
subject
feeding part
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Korean (ko)
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정규성
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정규성
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/9515—Objects of complex shape, e.g. examined with use of a surface follower device
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Textile Engineering (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

The present invention aims to provide a vision inspection apparatus which is able to inspect the dimensions and exterior of a subject to be inspected by a vision inspection complexly and to sort and pick out defective products in real time as well. That is, according to the present invention, the vision inspection apparatus comprises: a supply part (10) which transfers the subject to be inspected (A); an intermittent feeding part (20) on which the subject to be inspected (A) is settled to wait; an inspection feeding part (30) which transfers the subject to be inspected (A) transferred through the intermittent feeding part (20) by supporting the end units on both sides of the lower side of the subject to be inspected (A); a vision inspection part (40) installed on the inspection feeding part (30) to photograph the subject to be inspected (A) and inspect whether there is a defect or not including defects in dimensions and exterior by using the photographed images; and a loading part (50) which accommodates the subject to be inspected (A) determined to be a qualified product by the vision inspection part (40) and discharged through the inspection feeding part (30). According to the present invention, the vision inspection apparatus is able to rapidly, precisely determine whether there is a damage or not on the exterior such as defective processing, chipping, or cracks of the subject to be inspected by the vision inspection, and sort and pick out defective products in real time, thereby remarkably reducing the working hours in a production factory.

Description

비전검사장치 {Vision inspection device}Vision inspection device

본 발명은 클러치허브용 비전검사장치으로서, 이를 보다 상세히 설명하면 비전 검사에 의해 클러치허브의 치수, 외관을 검사하여 불량품을 실시간으로 선별 분리할 수 있는 비전검사장치에 관한 것이다.The present invention relates to a vision inspection device for a clutch hub, and in more detail, the present invention relates to a vision inspection device capable of selecting and separating defective products in real time by inspecting the dimensions and appearance of the clutch hub by vision inspection.

일반적으로 클러치허브(clutch hub) 또는 싱크로나이저 허브라고 한다. 클러치허브는 자동차 동력전달장치에 사용되는 부품으로 안쪽은 주축의 세레이션에 결합되고 외측의 스플라인에 슬리브가 결합되어 변속시에 슬리브가 부드럽게 진행할 수 있도록 가이드 역할을 함과 동시에 회전방향의 슬리브를 지지하는 역할을 한다.It is generally referred to as a clutch hub or synchronizer hub. Clutch hub is a component used in automobile power transmission system.The inner side is coupled to the serration of the main shaft, and the sleeve is coupled to the outer spline to serve as a guide so that the sleeve proceeds smoothly when shifting, while supporting the sleeve in the rotation direction. Plays a role.

이와 같은 클러치 허브는 클러치 기어에 마찰되는 보스부, 스플라인 결합부, 중간연결부 및 슬리브와 결합되는 외측 스플라인부로 이루어지는 복잡한 형상을 가지며, 상하부면에 단차지는 가공부위가 형성됨에 따른 가공부위의 높이, 두께에 대한 정밀성이 요구된다.Such a clutch hub has a complex shape consisting of a boss portion rubbing against the clutch gear, a spline coupling portion, an intermediate connection portion, and an outer spline portion coupled to the sleeve, and the height and thickness of the processing portion due to the formation of the processing portion stepped on the upper and lower surfaces. Precision is required.

그러나 종래에 클러치 허브의 가공부위에 대한 높이, 두께 등의 측정이 수작업으로 이루어짐에 따라 생산성 및 작업성이 비효율적인 문제점이 있었다.However, there is a problem in that productivity and workability are inefficient as the measurement of the height, thickness, etc. of the processing part of the clutch hub is made manually.

이에 종래에 개시된 등록특허공보 등록특허 10-1573485호에서, 다수의 클러치허브가 적층 및 적재되는 적재공급부; 적재공급부의 후방에 설치되어 이송되는 클러치허브의 측정위치를 조정하는 측정위치조정부; 측정위치조정부의 후방에 설치되어 측정위치조정부에서 측정위치가 조정되어 이송된 클러치허브의 높이 및 두께를 측정하여 정상 및 불량을 판별하는 측정검사부; 측정검사부의 후방에 설치되어 측정검사부로부터 측정 완료후 이송된 클러치허브의 정상 또는 불량에 따라 분류하며 이송하는 선별부; 클러치허브를 적재공급부에서 측정위치조정부로, 측정위치조정부에서 측정검사부로, 측정검사부에서 선별부로 이송시키는 이송부;를 포함하며, 클러치허브를 순차적으로 이송하며 단차진 가공부위의 상하부에서 센서에 의해 높이와 두께를 측정하여 기준수치와 비교한 후, 정상품 및 불량품으로 선별하여 자동 분류하는 기술이 선 등록된 바 있다.Accordingly, in the conventionally disclosed Patent Publication No. 10-1573485, a loading supply unit in which a plurality of clutch hubs are stacked and loaded; A measurement position adjustment unit installed at the rear of the loading and supply unit to adjust the measurement position of the transferred clutch hub; A measurement and inspection unit installed at the rear of the measurement position adjustment unit to determine normality or defect by measuring the height and thickness of the transferred clutch hub by adjusting the measurement position by the measurement position adjustment unit; A sorting unit installed at the rear of the measurement inspection unit to classify and transfer according to the normal or defective clutch hub transferred after measurement is completed from the measurement inspection unit; Containing; a transfer unit that transfers the clutch hub from the loading and supplying unit to the measurement position adjustment unit, from the measurement position adjustment unit to the measurement inspection unit, and from the measurement inspection unit to the selection unit; including, and sequentially transports the clutch hub by a sensor at the top and bottom of the stepped processing area. After measuring and thickness, comparing them with a standard value, a technology that automatically classifies and sorts them into genuine and defective products has been previously registered.

또한, 다른 종래 기술인 등록특허 10-1910634호에서, 베이스부 [0008] 상부에 설치프레임 및 밀폐시킨 채로 개폐하도록 개폐도어가 형성된 본체와, 본체 양측에 설치되어 클러치허브를 투입 및 배출하는 인입컨베이어 및 배출컨베이어와, 본체 내부에 클러치허브의 다양한 부위의 가공치수를 단계별로 검사하여 불량여부를 판별하는 가공공차검사부와, 본체의 상부에 설치되어 클러치허브를 가공공차검사부의 단계별 검사를 위해 이송시키는 파지이송부를 포함하며, 상기 가공공차검사부는 클러치허브를 파지이송부에 의해 하나씩 순차적으로 이송하며 가공치수를 검사하도록 외경 고게이지를 검사하는 고게이지검사부와, 클러치허브의 상하부 단차 측정을 위해 단차측정 위치를 교정하는 위치교정부와, 클러치허브의 상하부 단차 가공치수를 검사하는 단차검사부와, 클러치허브의 하부 외치면 가공치수를 검사하는 하부외치면검사부와, 클러치허브의 상부 외치면 가공치수를 검사하는 상부외치면검사부와, 클러치허브의 상부 보스외경 가공치수를 검사하는 보스외경검사부를 포함하는 기술이 선 등록된 바 있다.In addition, in the other prior art Registration Patent No. 10-1910634, the main body is formed with an opening and closing door to open and close with an installation frame and sealed on the upper part of the base, an inlet conveyor installed on both sides of the main body to input and discharge the clutch hub, and The discharge conveyor and the processing tolerance inspection part that checks the processing dimensions of various parts of the clutch hub inside the main body step by step to determine whether they are defective, and the gripper installed on the upper part of the main body to transport the clutch hub for the step-by-step inspection of the processing tolerance inspection part. It includes a transmission unit, and the processing tolerance inspection unit sequentially transfers the clutch hub one by one by the gripping unit and determines a high gauge inspection unit for inspecting a high gauge of an outer diameter to check the processing dimensions, and a step measurement position for measuring the steps of the upper and lower parts of the clutch hub. A position correction unit to correct, a step inspection unit to inspect the upper and lower stepped dimensions of the clutch hub, a lower external tooth surface inspection unit to inspect the machining dimensions of the lower external tooth surface of the clutch hub, an upper external tooth surface inspection unit to inspect the upper external tooth surface processing dimensions of the clutch hub, and , A technology including a boss outer diameter inspection unit that inspects the upper boss outer diameter machining dimension of the clutch hub has been previously registered.

그러나, 상기 종래 기술들은 센서와 클러치허브의 접촉을 이용한 측정방식으로 이루어짐에 따라 검사대상이 단일규격의 클러치허브에 제한되고, 또 치형부 및 키홈부 치수, 치형 및 키홈부 깨짐, 표면 찍힘을 포함하는 정밀검사를 수행하지 못하는 실정이다.However, the above-described conventional techniques are limited to the clutch hub of a single standard as the object to be inspected is limited to the clutch hub of a single standard, as the measurement method using the contact between the sensor and the clutch hub, and also includes the tooth and key groove dimensions, tooth and key groove cracks, and surface imprints. It is not possible to carry out a detailed inspection.

KR 10-1573485 B1 (2015.11.25.)KR 10-1573485 B1 (2015.11.25.) KR 10-1910634 B1 (2018.10.16.)KR 10-1910634 B1 (2018.10.16.)

본 발명에서는 상기한 종래 기술의 제반 문제점들을 해결코자 새로운 기술을 창안한 것으로서, 비전 검사에 의해 피검사물의 치수, 외관을 복합적으로 검사함과 더불어 불량품이 실시간으로 선별 분리되도록 구조개선하여 콤팩트한 구조에서 검사 정밀도향상을 도모하고, 특히 비전검사파트와 원형적재파트의 연계작동으로 인해 검사공정의 무인 자동화를 실현할 수 있는 비전검사장치를 제공하는 것에 그 목적이 있다.In the present invention, a new technology was created in order to solve the problems of the prior art, and a compact structure by improving the structure so that defective products are sorted and separated in real time while comprehensively inspecting the dimensions and appearance of the inspected object by vision inspection. Its purpose is to provide a vision inspection device capable of realizing unmanned automation of the inspection process, in particular, by improving the inspection precision in the vision inspection part and the circular loading part.

상기한 발명의 과제를 해결하기 위한 구체적인 수단으로 본 발명에서는 비전검사장치를 구성하되, 클러치허브(clutch hub) 형태의 피검사물(A)을 이송하는 메인컨베이어(14)로 구성되는 공급파트(10); 상기 메인컨베이어(14) 전방에 설치되어 피검사물(A)이 안착 대기되는 고정플레이트(22)와, 고정플레이트(22) 상부에서 하향 이동되어 피검사물(A)을 가압하는 유동플레이트(24)로 구성되는 간헐피딩파트(20); 상기 간헐피딩파트(20)를 통하여 이송되는 피검사물(A)의 하부 양측 단부를 지지한 상태로 이송하도록 한 쌍의 벨트컨베이어(32)가 이격 배치되는 검사피딩파트(30); 상기 검사피딩파트(30)에 설치되어 피검사물(A)을 촬영하고, 촬영 영상을 이용하여 치수, 외관결함을 포함하는 불량 여부를 검사하는 비전검사파트(40); 및 상기 비전검사파트(40)에서 양품 판별되어 검사피딩파트(30)를 타고 배출되는 피검사물(A)을 수용하도록 구비되는 적재파트(50);를 포함하여 이루어지는 것을 특징으로 한다.In the present invention as a specific means for solving the problem of the above-described invention, the vision inspection device is configured, but the supply part 10 consisting of the main conveyor 14 for transporting the inspection object A in the form of a clutch hub. ); A fixed plate 22 installed in front of the main conveyor 14 on which the subject A is seated and waiting, and a floating plate 24 that is moved downward from the top of the fixed plate 22 to pressurize the subject A. Consisting of an intermittent feeding part 20; An inspection feeding part 30 in which a pair of belt conveyors 32 are spaced apart so as to be transported while supporting both ends of the lower part of the object A transferred through the intermittent feeding part 20; A vision inspection part 40 that is installed on the inspection feeding part 30 to photograph the object A to be inspected, and inspects for defects including dimension and appearance defects using the photographed image; And a loading part 50 that is provided to accommodate the inspection subject A that is determined by the vision inspection part 40 and discharged through the inspection feeding part 30.

이때, 상기 비전검사파트(40)는, 한 쌍의 벨트컨베이어(32) 사이에 설치되고, 직선구동부(41)에 의해 상하 이송되면서 피검사물(A)을 종방향으로 이송하는 승강스테이지(42)와, 승강스테이지(42)를 타고 상향 이동된 피검사물(A) 외경을 클램핑하고, 회전구동부(43)에 의해 피검사물(A)을 180°등각 회전시키도록 구비되는 회전클램프(44)와, 회전클램프(44) 상부에서 피검사물(A) 측으로 광원을 출력하는 조명부(46)와, 회전클램프(46) 상부에서 피검사물(A)을 촬영하는 카메라모듈(47)과, 카메라모듈(47) 영상을 이용하여 치수, 외관결함을 포함하는 불량 여부를 판독하는 영상분석부(48)로 이루어지는 것을 특징으로 한다.At this time, the vision inspection part 40 is installed between a pair of belt conveyors 32, and is transported up and down by a linear driving unit 41, and an elevating stage 42 for transporting the inspection subject A in the longitudinal direction. Wow, a rotation clamp 44 provided to clamp the outer diameter of the test subject A moved upward by riding the lifting stage 42, and rotate the test subject A by 180° equivalence by the rotation driving part 43, A lighting unit 46 for outputting a light source from the top of the rotating clamp 44 to the object A side, a camera module 47 for photographing the object A from the top of the rotating clamp 46, and a camera module 47 It is characterized in that it consists of an image analysis unit 48 that reads whether or not defects including dimensions and appearance defects by using the image.

또한, 상기 비전검사파트(40)는, 한 쌍의 벨트컨베이어(32) 사이에 설치되고, 직선구동부(41)에 의해 상하 이송되면서 피검사물(A)을 종방향으로 이송하는 승강스테이지(42)와, 승강스테이지(42)를 타고 상향 이동된 피검사물(A) 외경을 클램핑하고, 회전구동부(43)에 의해 피검사물(A)을 90°등각 회전시키도록 구비되는 회전클램프(44)와, 회전클램프(44) 양측에 피검사물(A) 측으로 광원을 출력하는 한 쌍의 조명부(46)와, 회전클램프(46) 양측에서 피검사물(A)을 촬영하는 한 쌍의 카메라모듈(47)과, 카메라모듈(47) 영상을 이용하여 치수, 외관결함을 포함하는 불량 여부를 판독하는 영상분석부(48)로 이루어지는 것을 특징으로 한다.In addition, the vision inspection part 40 is installed between a pair of belt conveyors 32, and is moved up and down by a linear driving unit 41, and an elevating stage 42 for transferring the inspection subject A in the longitudinal direction. Wow, a rotation clamp 44 provided to clamp the outer diameter of the test subject A moved upward by riding the lifting stage 42, and rotate the test subject A by 90° equiangular angle by the rotation driving unit 43, On both sides of the rotating clamp 44, a pair of lighting units 46 for outputting a light source to the object A side, a pair of camera modules 47 for photographing the object A from both sides of the rotating clamp 46, and , The camera module 47 is characterized in that it consists of an image analysis unit 48 that reads whether or not defects including dimensions and appearance defects are performed using an image.

또한, 상기 비전검사파트(40)는 벨트컨베이어(32)와 회전클램프(44) 사이에 불량품 선별파트(49)가 구비되고, 상기 승강스테이지(42)는 비전검사파트(40)에서 불량 판별된 피검사물(A)을 하향 배출시 직선구동부(41)에 의해 불량품 선별파트(49)와 대응하는 높이에 일시정지하도록 설정되며, 상기 불량품 선별파트(49)에 정지된 승강스테이지(42)와 대응하는 일측에는 불량 피검사물(A)을 배출하는 멀티컨베이어(49a)와, 다른 일측에는 승강스테이지(42)에 안착된 피검사물(A)을 멀티컨베이어(49a) 측으로 밀어내는 밀편(49b)이 구비되는 것을 특징으로 한다.In addition, the vision inspection part 40 is provided with a defective product sorting part 49 between the belt conveyor 32 and the rotating clamp 44, and the lifting stage 42 is determined to be defective in the vision inspection part 40. When the object to be inspected (A) is discharged downward, it is set to temporarily stop at a height corresponding to the defective item sorting part 49 by the straight drive part 41, and corresponds to the lifting stage 42 stopped at the defective item sorting part 49 A multi-conveyor (49a) for discharging the defective object (A) is provided on one side, and a pusher (49b) is provided on the other side to push the object (A) seated on the lifting stage (42) toward the multi-conveyor (49a). It is characterized by being.

또한, 상기 직선구동부(41)는, 승강스테이지(42)를 상, 하 이동하는 멀티 공압실린더(41b)와, 멀티 공압실린더(41b)를 상, 하 이동하는 메인 공압실린더(41a)로 구성되며, 상기 승강스테이지(42)는 영상분석부(48) 판독 결과에 의해 직선구동부(41)에 의해 양품피딩모드와 불량품피딩모드가 선택적으로 실행되고, 상기 양품피딩모드는 멀티 공압실린더(41b)의 로드봉이 돌출된 상태로 메인 공압실린더(41a)의 로드봉 상, 하 작동력에 의해 승강스테이지(42)가 벨트컨베이어(32)와 회전클램프(44) 사이 구간을 이동하도록 구성되고, 상기 불량품피딩모드는 멀티 공압실린더(41b)의 로드봉이 돌출된 상태로 메인 공압실린더(41a)의 로드봉 작동력에 의해 승강스테이지(42)가 회전클램프(44) 까지 상향 이동되어 불량 피검사물(A)을 전달 받으면 멀티 공압실린더(41b)의 로드봉 작동력에 의해 승강스테이지(42)가 불량품 선별파트(49)와 대응하는 높이까지 하향 이동되도록 구비되는 것을 특징으로 한다.In addition, the linear drive unit 41 is composed of a multi-pneumatic cylinder 41b that moves the lifting stage 42 up and down, and a main pneumatic cylinder 41a that moves the multi-pneumatic cylinder 41b up and down. , The lifting stage 42 is selectively executed by the linear drive unit 41 according to the image analysis unit 48 reading result, and the good product feeding mode is the multi-pneumatic cylinder 41b. The lifting stage 42 is configured to move the section between the belt conveyor 32 and the rotating clamp 44 by the upper and lower operating force of the rod rod of the main pneumatic cylinder 41a with the rod rod protruding, and the defective product feeding mode When the rod rod of the multi-pneumatic cylinder 41b is protruded and the lifting stage 42 is moved upward to the rotating clamp 44 by the rod rod operating force of the main pneumatic cylinder 41a, the defective object A is delivered. It is characterized in that the lifting stage 42 is provided to move downward to a height corresponding to the defective product sorting part 49 by the operating force of the rod rod of the multi-pneumatic cylinder 41b.

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상술한 과제 해결을 위한 구체적인 수단에 의하면, 본 발명은 비전 검사에 의해 피검사물의 가공불량이나 찍힘이나 깨짐과 같은 외관 손상 여부를 신속하고 정확하게 판별하고 실시간으로 불량품을 선별 분리할 수 있어 생선공장에서 작업시수를 대폭 절감할 수 있다. According to a specific means for solving the above-described problem, the present invention can quickly and accurately determine whether the object to be inspected is defective in processing or if the object to be inspected is damaged, such as imprints or cracks, and can select and separate defective products in real time. The number of working hours can be drastically reduced.

공급, 피딩, 검사, 양품 배출 등의 작업이 모두 자동화 하여 검사공정의 무인 자동화를 실현할 수 있는 효과가 있다.It has the effect of realizing unmanned automation of the inspection process by automating all operations such as supply, feeding, inspection, and discharge of good products.

도 1은 본 발명의 일실시예에 따른 비전검사장치를 전체적으로 나타내는 구성도.
도 2는 본 발명 비전검사장치의 간헐피딩파트를 확대하여 나타내는 구성도.
도 3은 본 발명의 일실시예에 따른 비전검사장치의 비전검사파트를 나타내는 구성도.
도 4는 비전검사장치에 있어서 비전검사파트의 다른 실시예를 나타내는 구성도.
도 5 내지 도 6은 본 발명의 일실시예에 따른 비전검사장치의 불량품 선별파트가 적용된 비전검사파트를 나타내는 구성도.
도 7은 본 발명의 일실시예에 따른 비전검사장치의 영상분석부에 의한 검사정보가 출력되는 디스플레이부를 나타내는 구성도.1 is a block diagram showing an overall vision inspection apparatus according to an embodiment of the present invention.
Figure 2 is an enlarged configuration diagram showing an intermittent feeding part of the vision inspection apparatus of the present invention.
3 is a block diagram showing a vision inspection part of a vision inspection apparatus according to an embodiment of the present invention.
4 is a configuration diagram showing another embodiment of a vision inspection part in a vision inspection apparatus.
5 to 6 are configuration diagrams showing a vision inspection part to which a defective product selection part of a vision inspection apparatus according to an embodiment of the present invention is applied.
7 is a block diagram illustrating a display unit outputting inspection information by an image analysis unit of a vision inspection apparatus according to an embodiment of the present invention.

이하 첨부된 도면의 구체적인 실시예에 따라 본 발명을 보다 상세히 설명한다. 본 발명의 구성 실시예에 따른 하기 도면은 구성과 작용효과를 구체적으로 설명하기 위한 실시예로서, 이에 의해 본 발명의 기술적 범위가 좁게 한정되거나 변경되는 것은 아니다. 따라서 이러한 실시예에 기초하여 본 발명의 기술적 사상의 범위 안에서 다양한 변형실시가 가능함은 통상의 기술자에게는 당연하다할 것이다.Hereinafter, the present invention will be described in more detail according to specific embodiments of the accompanying drawings. The following drawings according to the configuration examples of the present invention are examples for specifically explaining the configuration and effects, and the technical scope of the present invention is not narrowly limited or changed thereby. Therefore, it will be natural to those skilled in the art that various modifications can be implemented within the scope of the technical idea of the present invention based on these embodiments.

본 발명은 비전검사장치에 관련되며, 이는 비전 검사에 의해 피검사물의 치수, 외관을 복합적으로 검사함과 더불어 불량품이 실시간으로 선별 분리되도록 구조개선하여 콤팩트한 구조에서 검사 정밀도향상을 도모하고, 특히 비전검사파트와 원형적재파트의 연계작동으로 인해 검사공정의 무인 자동화를 실현하기 위해 공급파트(10), 간헐피딩파트(20), 검사피딩파트(30), 비전검사파트(40), 적재파트(50)를 포함하는 주요구성으로 이루어진다. 이하에서 각 파트에 대해 구체적으로 설명한다. The present invention relates to a vision inspection apparatus, which comprehensively inspects the dimensions and appearance of an object to be inspected by vision inspection, and improves the structure so that defective products are sorted and separated in real time, thereby improving inspection precision in a compact structure. Supply part (10), intermittent feeding part (20), inspection feeding part (30), vision inspection part (40), loading part to realize unmanned automation of the inspection process due to the linked operation of the vision inspection part and the circular loading part. It consists of the main components including (50). Hereinafter, each part will be described in detail.

도 1은 본 발명에서 제공하는 비전검사장치를 바람직한 일 실시예를 도시한 평면구성도로, 본 발명에 따른 공급파트(10)는 가공부(M)에 연결되는 멀티컨베이어(12)와, 멀티컨베이어(12)에 연결되어 클러치허브(clutch hub) 형태의 피검사물(A)을 이송하는 메인컨베이어(14)로 구성된다. 메인컨베이어(14)는 도 1과 같이 복수의 가공부(M)를 경유하도록 시공되고, 각각의 가공부(M)에서 배출되는 피검사물(A)은 멀티컨베이어(12)를 타고 메인컨베이어(14)로 이송된다.1 is a plan view showing a preferred embodiment of the vision inspection apparatus provided by the present invention, the supply part 10 according to the present invention is a multi-conveyor 12 connected to the processing unit (M), the multi-conveyor It is connected to (12) and consists of a main conveyor 14 that transports the inspection subject (A) in the form of a clutch hub. The main conveyor 14 is constructed to pass through a plurality of processing units (M) as shown in FIG. 1, and the inspected object (A) discharged from each processing unit (M) rides the multi-conveyor 12 and the main conveyor 14 ).

이때, 상기 멀티컨베이어(12) 출구 측에는 구동부에 의해 작동되는 바리케이트가 설치되고, 바리케이트는 메인컨베이어(14)에 설치되는 감지센서에 의해 작동신호 송출시점이 결정된다. 즉, 감지센서를 통하여 멀티컨베이어(12)와 인접하는 위치의 메인컨베이어(14) 상에 피검사물(A)이 감지되면 바리케이트가 멀티컨베이어(12)를 통한 피검사물(A) 이동을 일시적으로 제한하여 메인컨베이어(14)를 타고 이동되는 피검사물(A)과 멀티컨베이어(12)를 타고 이동되는 피검사물(A) 간에 충돌로 인한 이동 중 손상이 방지된다.At this time, at the exit side of the multi-conveyor 12, a barricade operated by a driving unit is installed, and the time point of transmitting an operation signal is determined by a detection sensor installed in the main conveyor 14 for the barricade. That is, when the object A is detected on the main conveyor 14 at a position adjacent to the multi-conveyor 12 through the detection sensor, the barricade temporarily restricts the movement of the object A through the multi-conveyor 12. Thus, damage during movement due to a collision between the test object A moving on the main conveyor 14 and the test object A moving on the multi-conveyor 12 is prevented.

본 발명에 따른 간헐피딩파트(20)는 상기 메인컨베이어(14) 전방에 설치되어 피검사물(A)이 안착 대기되는 고정플레이트(22)와, 고정플레이트(22) 상부에서 하향 이동되어 피검사물(A)을 가압하는 유동플레이트(24)로 구성된다. 간헐피딩파트(20)는 메인컨베이어(14)를 타고 무작위로 공급되는 피검사물(A)을 후술하는 비전검사파트(40)와 연계되어 간헐 공급하도록 구비된다.The intermittent feeding part 20 according to the present invention is installed in front of the main conveyor 14 and the fixed plate 22 on which the inspection object A is waiting to be seated, and the fixed plate 22 is moved downward from the upper portion of the inspection object ( It consists of a flow plate 24 to pressurize A). The intermittent feeding part 20 is provided to intermittently supply the object A to be inspected that is randomly supplied on the main conveyor 14 in connection with the vision inspection part 40 to be described later.

즉, 도 2처럼 상기 메인컨베이어(14)를 타고 이동되는 피검사물(A)이 고정플레이트(22) 상에 안착되면 유동플레이트(24)로의 하향 이동에 의해 클램핑되고, 이후 후술하는 비전검사파트(40)에서 검사공정이 완료되면 유동플레이트(24)가 상향 이동되어 피검사물(A)이 언클램핑되며, 메인컨베이어(14)를 타고 이어서 공급되는 피검사물(A)에 밀려 비전검사파트(40) 측으로 피검사물(A)이 신규로 공급된다.That is, as shown in FIG. 2, when the object A, which is moved on the main conveyor 14, is seated on the fixed plate 22, it is clamped by moving downward to the floating plate 24, and a vision inspection part (to be described later) ( When the inspection process at 40) is completed, the flow plate 24 is moved upward to unclamp the object to be inspected (A), and is pushed by the object to be inspected (A) which is subsequently supplied on the main conveyor (14), and the vision inspection part (40) The object A is newly supplied to the side.

본 발명에 따른 검사피딩파트(30)는 상기 간헐피딩파트(20)를 통하여 이송되는 피검사물(A)의 하부 양측 단부를 지지한 상태로 이송하도록 한 쌍의 벨트컨베이어(32)가 이격 배치된다.In the inspection feeding part 30 according to the present invention, a pair of belt conveyors 32 are spaced apart so as to be transported while supporting both ends of the lower side of the test object A transferred through the intermittent feeding part 20. .

본 발명에 따른 비전검사파트(40)는 상기 검사피딩파트(30)에 설치되어 피검사물(A)을 촬영하고, 촬영 영상을 이용하여 치수, 외관결함을 포함하는 불량 여부를 검사하도록 구비된다. 비전검사파트(40)는 암막 커버에 의해 보호되어 외부광에 의한 촬영 영상의 변위를 방지하게 된다.The vision inspection part 40 according to the present invention is installed on the inspection feeding part 30 to photograph the object A to be inspected, and inspects for defects including dimension and appearance defects using the photographed image. The vision inspection part 40 is protected by a blackout cover to prevent displacement of the captured image due to external light.

도 3을 참조하면 상기 비전검사파트(40)는, 한 쌍의 벨트컨베이어(32) 사이에 설치되고, 직선구동부(41)에 의해 상하 이송되면서 피검사물(A)을 종방향으로 이송하는 승강스테이지(42)와, 승강스테이지(42)를 타고 상향 이동된 피검사물(A) 외경을 클램핑하고, 회전구동부(43)에 의해 피검사물(A)을 180°등각 회전시키도록 구비되는 회전클램프(44)와, 회전클램프(44) 상부에서 피검사물(A) 측으로 광원을 출력하는 조명부(46)와, 회전클램프(46) 상부에서 피검사물(A)을 촬영하는 카메라모듈(47)과, 카메라모듈(47) 영상을 이용하여 치수, 외관결함을 포함하는 불량 여부를 판독하는 영상분석부(48)로 이루어진다.Referring to FIG. 3, the vision inspection part 40 is installed between a pair of belt conveyors 32, and is a lift stage that transfers the inspection subject A in the longitudinal direction while being transferred up and down by the linear drive unit 41. (42) And, a rotation clamp (44) provided to clamp the outer diameter of the object to be inspected (A) moved upward by riding the lifting stage (42), and rotate the object (A) 180 ° equilateral angle by the rotation driving unit (43) ), a lighting unit 46 that outputs a light source from the top of the rotation clamp 44 to the object A side, a camera module 47 that photographs the object A from the top of the rotation clamp 46, and a camera module (47) It consists of an image analysis unit 48 that reads whether or not defects including dimensions and appearance defects are performed using the image.

즉, 상기 회전클램프(46)의 180°등각 회전운동에 의해 피검사물(A) 양면이 순차적으로 카메라모듈(47)에 의해 촬영되고, 촬영된 영상은 영상분석부(48)에서 기준이 되는 데이터와 매칭하여 불량 여부를 판단하고, 이때 이미지 매칭에 따른 오차 범위는 사용자 설정에 의해 조절가능하게 구비된다.That is, both sides of the object A are sequentially photographed by the camera module 47 by the 180° equiangular rotational motion of the rotating clamp 46, and the photographed image is data as a reference in the image analysis unit 48 It matches with and determines whether there is a defect, and at this time, an error range according to image matching is provided so as to be adjustable according to a user setting.

한편, 상기 영상분석부(48)는 디스플레이부를 통하여 검사정보가 출력되는바, 일예로서 도 7과 같이 디스플레이부는 영상보정모듈에 의해 촬영 영상을 기준이 되는 데이터와 일치되도록 위치 및 방향을 보정한 영상을 '촬영영상' 창에 출력하고, 또 영상분석모듈에 의해 촬영 영상의 형상을 분석한 영상을 '회전, 영역설정' 창에 출력하며, 또 산수검사모듈에 의해 피검사물(A)의 치형부 기어를 분석한 영상을 '산수검사' 창을 통하여 출력하고, 또 깨짐 검사모듈에 의해 피검사물(A)의 치형부 및 키홈부의 깨짐 정보를 분석하여 '깨짐 외경' 창에 출력하며, 또 문자인식 모듈에 의해 피검사물(A)에 마킹된 문자를 식별하여 식별된 제품품종을 '혼입 검사' 창으로 출력하며, 이때 문자인식 모듈을 통하여 검출된 피검사물(A) 품종에 따라 기준이 되는 데이터가 선택되도록 구비된다.Meanwhile, the image analysis unit 48 outputs the inspection information through the display unit. As an example, as shown in FIG. 7, the display unit is an image obtained by correcting the position and direction so that the captured image matches the reference data. Is output to the'photographed image' window, and the image that analyzes the shape of the captured image by the image analysis module is output to the'rotation, area setting' window, and the tooth profile of the test object (A) by the arithmetic inspection module The image of the gear analysis is output through the'Arithmetic test' window, and the crack information of the tooth shape and keyway of the inspected object (A) is analyzed by the crack inspection module and output to the'broken outer diameter' window, and character recognition By identifying the characters marked on the inspected object (A) by the module, the identified product type is output to the'mixed inspection' window, and at this time, the standard data according to the type of the inspected object (A) detected through the character recognition module It is provided to be selected.

도 4는 본 발명에서 제공하는 비전검사장치 비전검사파트의 다른 실시예를 도시한 것으로, 상기 비전검사파트(40)는, 한 쌍의 벨트컨베이어(32) 사이에 설치되고, 직선구동부(41)에 의해 상하 이송되면서 피검사물(A)을 종방향으로 이송하는 승강스테이지(42)와, 승강스테이지(42)를 타고 상향 이동된 피검사물(A) 외경을 클램핑하고, 회전구동부(43)에 의해 피검사물(A)을 90°등각 회전시키도록 구비되는 회전클램프(44)와, 회전클램프(44) 양측에 피검사물(A) 측으로 광원을 출력하는 한 쌍의 조명부(46)와, 회전클램프(46) 양측에서 피검사물(A)을 촬영하는 한 쌍의 카메라모듈(47)과, 카메라모듈(47) 영상을 이용하여 치수, 외관결함을 포함하는 불량 여부를 판독하는 영상분석부(48)로 이루어진다.4 shows another embodiment of a vision inspection part of a vision inspection apparatus provided by the present invention, wherein the vision inspection part 40 is installed between a pair of belt conveyors 32, and a linear drive part 41 By clamping the outer diameter of the lifting stage 42 for transporting the test object A in the longitudinal direction while being transported up and down by the lifting stage 42 and the outer diameter of the test object A moved upwardly by the lifting stage 42, the rotation drive unit 43 A rotation clamp 44 provided to rotate the object A to be inspected at an equal angle by 90°, a pair of lighting units 46 outputting a light source to the object A side on both sides of the rotation clamp 44, and a rotation clamp ( 46) A pair of camera modules 47 photographing the object A from both sides, and an image analysis unit 48 that reads whether defects including dimensions and appearance defects are read using the image of the camera module 47. Done.

즉, 상기 피검사물(A)이 승강스테이지(42)를 타고 공급되면, 회전구동부(43)에 의해 피검사물(A)을 90°등각 회전되고, 이후 한 쌍의 카메라모듈(47)에 의해 피검사물(A) 양면이 동시 촬영되며, 촬영된 양면 영상은 영상분석부(48)에서 기준이 되는 데이터와 매칭하여 불량 여부를 동시에 판단하므로, 검사공정의 소요시간이 크게 단축된다.That is, when the test object A is supplied through the lifting stage 42, the test object A is rotated at an equal angle by 90° by the rotation driving unit 43, and then, the test object is examined by a pair of camera modules 47. Both sides of the object (A) are simultaneously photographed, and the photographed two-sided image is matched with reference data in the image analysis unit 48 to determine whether there is a defect at the same time, so that the time required for the inspection process is greatly shortened.

도 5 내지 도 6은 불량품 선별파트가 적용된 비전검사파트를 나타내는 구성도로, 상기 비전검사파트(40)는 벨트컨베이어(32)와 회전클램프(44) 사이에 불량품 선별파트(49)가 구비되고, 상기 승강스테이지(42)는 비전검사파트(40)에서 불량 판별된 피검사물(A)을 하향 배출시 직선구동부(41)에 의해 불량품 선별파트(49)와 대응하는 높이에 일시정지 하도록 설정되며, 상기 불량품 선별파트(49)에 정지된 승강스테이지(42)와 대응하는 일측에는 불량 피검사물(A)을 배출하는 멀티컨베이어(49a)와, 다른 일측에는 승강스테이지(42)에 안착된 피검사물(A)을 멀티컨베이어(49a) 측으로 밀어내는 밀편(49b)이 구비된다.5 to 6 are configuration diagrams showing a vision inspection part to which a defective product selection part is applied, the vision inspection part 40 is provided with a defective product selection part 49 between the belt conveyor 32 and the rotating clamp 44, The elevating stage 42 is set to temporarily stop at a height corresponding to the defective item sorting part 49 by the straight drive part 41 when the test object A, which is determined to be defective in the vision inspection part 40, is discharged downward, A multi-conveyor 49a for discharging the defective inspection object A on one side corresponding to the elevating stage 42 stopped on the defective item sorting part 49, and the inspection subject seated on the elevating stage 42 on the other side ( A mill piece 49b for pushing A) toward the multi-conveyor 49a is provided.

상기 직선구동부(41)는, 승강스테이지(42)를 상, 하 이동하는 멀티 공압실린더(41b)와, 멀티 공압실린더(41b)를 상, 하 이동하는 메인 공압실린더(41a)로 구성된다. 상기 승강스테이지(42)는 영상분석부(48) 판독 결과에 의해 직선구동부(41)에 의해 양품피딩모드와 불량품피딩모드가 선택적으로 실행된다. 상기 양품피딩모드는 도 5와 같이 멀티 공압실린더(41b)의 로드봉이 돌출된 상태로 메인 공압실린더(41a)의 로드봉 상, 하 작동력에 의해서만 승강스테이지(42)가 벨트컨베이어(32)와 회전클램프(44) 사이 구간을 이동하도록 구성된다.The linear drive part 41 is composed of a multi-pneumatic cylinder 41b that moves the lifting stage 42 up and down, and a main pneumatic cylinder 41a that moves the multi-pneumatic cylinder 41b up and down. The lifting stage 42 selectively executes a good product feeding mode and a defective product feeding mode by the linear driving unit 41 according to the read result of the image analysis unit 48. In the good-quality feeding mode, the lifting stage 42 rotates with the belt conveyor 32 only by the upper and lower operating force of the rod rod of the main pneumatic cylinder 41a with the rod rod of the multi-pneumatic cylinder 41b protruding as shown in FIG. It is configured to move the section between the clamps 44.

그리고, 상기 불량품피딩모드는 도 6처럼 멀티 공압실린더(41b)의 로드봉이 돌출된 상태로 메인 공압실린더(41a)의 로드봉 작동력에 의해 승강스테이지(42)가 회전클램프(44) 까지 상향 이동되어 불량 피검사물(A)을 전달 받으면 멀티 공압실린더(41b)의 로드봉 작동력에 의해 승강스테이지(42)가 불량품 선별파트(49)와 대응하는 높이까지 제한적으로 하향 이동하게 되고, 이어서 밀편(49b)이 인출되어 불량품을 멀티컨베이어(49a)로 배출시키게 된다. In addition, in the defective product feeding mode, the lifting stage 42 is moved upward to the rotating clamp 44 by the rod rod operating force of the main pneumatic cylinder 41a with the rod rod of the multi-pneumatic cylinder 41b protruding as shown in FIG. Upon receiving the defective object A, the lifting stage 42 is limitedly moved downward to a height corresponding to the defective item sorting part 49 by the rod rod operating force of the multi-pneumatic cylinder 41b, and then the mill piece 49b This is pulled out to discharge the defective product to the multi-conveyor (49a).

이처럼, 상기 메인 공압실린더(41a)와 멀티 공압실린더(41b)의 연계 작동 구조에 의해 고가의 정밀구동수단을 적용하지 않고도 승강스테이지(42)의 상,하 이동 위치가 신속 정밀하게 제어될 수 있다.In this way, the vertical movement position of the elevating stage 42 can be quickly and precisely controlled without the application of expensive precision driving means by the linking operation structure of the main pneumatic cylinder 41a and the multi-pneumatic cylinder 41b. .

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이상과 같이 본 발명의 상세한 설명에는 본 발명의 가장 바람직한 실시 예에 관하여 설명하였으나, 본 발명의 기술범위에 벗어나지 않는 범위 내에서는 다양한 변형실시도 가능하다 할 것이다. 따라서 본 발명의 보호범위는 상기 실시 예에 한정하여 정하여 질 것이 아니라 후술하는 특허청구범위의 기술들과 이들 기술로부터 균등한 기술수단들에까지 보호범위가 인정되어야 할 것이다.As described above, the most preferred embodiments of the present invention have been described in the detailed description of the present invention, but various modifications may be made within the scope of the technical scope of the present invention. Therefore, the scope of protection of the present invention is not limited to the above embodiments, but the scope of protection should be recognized from the techniques of the claims to be described later and equivalent technical means from these techniques.

10: 공급파트 12: 멀티컨베이어 14: 메인컨베이어
20: 간헐피딩파트 22: 고정플레이트 24: 유동플레이트
30: 검사피딩파트 32: 벨트컨베이어
40: 비전검사파트
41: 직선구동부 41a: 메인 공압실린더 41b: 멀티 공압실린더
42: 승강스테이지 43: 회전구동부 44: 회전클램프
46: 조명부 47: 카메라모듈 48: 영상분석부
49: 불량품 선별파트 49a: 멀티컨베이어 49b: 밀편
50: 적재파트
A: 피검사물 M: 가공부10: supply part 12: multi-conveyor 14: main conveyor
20: intermittent feeding part 22: fixed plate 24: floating plate
30: inspection feeding part 32: belt conveyor
40: vision inspection part
41: linear drive part 41a: main pneumatic cylinder 41b: multi pneumatic cylinder
42: elevating stage 43: rotating drive unit 44: rotating clamp
46: lighting unit 47: camera module 48: image analysis unit
49: defective product sorting part 49a: multi-conveyor 49b: mill piece
50: loading part
A: object to be inspected M: processed part

Claims (9)

클러치허브(clutch hub) 형태의 피검사물(A)을 이송하는 메인컨베이어(14)를 포함하는 공급파트(10);
상기 메인컨베이어(14) 전방에 설치되어 피검사물(A)이 안착 대기되는 고정플레이트(22)와, 고정플레이트(22) 상부에서 하향 이동되어 피검사물(A)을 가압하는 유동플레이트(24)로 구성되는 간헐피딩파트(20);
상기 간헐피딩파트(20)를 통하여 이송되는 피검사물(A)의 하부 양측 단부를 지지한 상태로 이송하도록 한 쌍의 벨트컨베이어(32)가 이격 배치되는 검사피딩파트(30);
상기 검사피딩파트(30)에 설치되어 피검사물(A)을 촬영하고, 촬영 영상을 이용하여 치수, 외관결함을 포함하는 불량 여부를 검사하는 비전검사파트(40); 및
상기 비전검사파트(40)에서 양품 판별되어 검사피딩파트(30)를 타고 배출되는 피검사물(A)을 수용하도록 구비되는 적재파트(50);를 포함하며,
상기 비전검사파트(40)는, 한 쌍의 벨트컨베이어(32) 사이에 설치되고, 직선구동부(41)에 의해 상하 이송되면서 피검사물(A)을 종방향으로 이송하는 승강스테이지(42)와, 승강스테이지(42)를 타고 상향 이동된 피검사물(A) 외경을 클램핑하고, 회전구동부(43)에 의해 피검사물(A)을 180°등각 회전시키도록 구비되는 회전클램프(44)와, 회전클램프(44) 상부에서 피검사물(A) 측으로 광원을 출력하는 조명부(46)와, 회전클램프(46) 상부에서 피검사물(A)을 촬영하는 카메라모듈(47)과, 카메라모듈(47) 영상을 이용하여 치수, 외관결함을 포함하는 불량 여부를 판독하는 영상분석부(48)로 이루어지는 것을 특징으로 하는 비전검사장치.
A supply part 10 including a main conveyor 14 for transferring the inspection subject A in the form of a clutch hub;
A fixed plate 22 installed in front of the main conveyor 14 on which the subject A is seated and waiting, and a floating plate 24 that is moved downward from the top of the fixed plate 22 to pressurize the subject A. Consisting of an intermittent feeding part 20;
An inspection feeding part 30 in which a pair of belt conveyors 32 are spaced apart so as to be transported while supporting both ends of the lower part of the object A transferred through the intermittent feeding part 20;
A vision inspection part 40 that is installed on the inspection feeding part 30 to photograph the object A to be inspected, and inspects for defects including dimension and appearance defects using the photographed image; And
Including; a loading part (50) provided to accommodate the inspection object (A) discharged through the inspection feeding part (30) is determined by the vision inspection part (40),
The vision inspection part 40 is installed between a pair of belt conveyors 32 and is transported up and down by a linear driving unit 41, and an elevating stage 42 for transporting the object A to be inspected in the longitudinal direction, A rotation clamp 44 provided to clamp the outer diameter of the test object A moved upward by riding the lifting stage 42, and rotate the test object A at an equal angle 180° by the rotation driving part 43, and a rotation clamp (44) The lighting unit 46 for outputting a light source from the top to the object A side, a camera module 47 for photographing the object A from the top of the rotating clamp 46, and the image of the camera module 47 Vision inspection apparatus, characterized in that consisting of an image analysis unit (48) for reading whether or not defects including dimensions and appearance defects.
클러치허브(clutch hub) 형태의 피검사물(A)을 이송하는 메인컨베이어(14)를 포함하는 공급파트(10);
상기 메인컨베이어(14) 전방에 설치되어 피검사물(A)이 안착 대기되는 고정플레이트(22)와, 고정플레이트(22) 상부에서 하향 이동되어 피검사물(A)을 가압하는 유동플레이트(24)로 구성되는 간헐피딩파트(20);
상기 간헐피딩파트(20)를 통하여 이송되는 피검사물(A)의 하부 양측 단부를 지지한 상태로 이송하도록 한 쌍의 벨트컨베이어(32)가 이격 배치되는 검사피딩파트(30);
상기 검사피딩파트(30)에 설치되어 피검사물(A)을 촬영하고, 촬영 영상을 이용하여 치수, 외관결함을 포함하는 불량 여부를 검사하는 비전검사파트(40); 및
상기 비전검사파트(40)에서 양품 판별되어 검사피딩파트(30)를 타고 배출되는 피검사물(A)을 수용하도록 구비되는 적재파트(50);를 포함하며,
상기 비전검사파트(40)는, 한 쌍의 벨트컨베이어(32) 사이에 설치되고, 직선구동부(41)에 의해 상하 이송되면서 피검사물(A)을 종방향으로 이송하는 승강스테이지(42)와, 승강스테이지(42)를 타고 상향 이동된 피검사물(A) 외경을 클램핑하고, 회전구동부(43)에 의해 피검사물(A)을 90°등각 회전시키도록 구비되는 회전클램프(44)와, 회전클램프(44) 양측에 피검사물(A) 측으로 광원을 출력하는 한 쌍의 조명부(46)와, 회전클램프(46) 양측에서 피검사물(A)을 촬영하는 한 쌍의 카메라모듈(47)과, 카메라모듈(47) 영상을 이용하여 치수, 외관결함을 포함하는 불량 여부를 판독하는 영상분석부(48)로 이루어지는 것을 특징으로 하는 비전검사장치.
A supply part 10 including a main conveyor 14 for transferring the inspection subject A in the form of a clutch hub;
A fixed plate 22 installed in front of the main conveyor 14 on which the subject A is seated and waiting, and a floating plate 24 that is moved downward from the top of the fixed plate 22 to pressurize the subject A. Consisting of an intermittent feeding part 20;
An inspection feeding part 30 in which a pair of belt conveyors 32 are spaced apart so as to be transported while supporting both ends of the lower part of the object A transferred through the intermittent feeding part 20;
A vision inspection part 40 that is installed on the inspection feeding part 30 to photograph the object A to be inspected, and inspects for defects including dimension and appearance defects using the photographed image; And
Including; a loading part (50) provided to accommodate the inspection subject (A) discharged through the inspection feeding part (30) is determined by the vision inspection part (40),
The vision inspection part 40 is installed between a pair of belt conveyors 32 and is transported up and down by a linear driving unit 41, and an elevating stage 42 for transporting the object A to be inspected in the longitudinal direction, A rotation clamp 44 provided to clamp the outer diameter of the test object A moved upward by riding the lifting stage 42, and rotate the test object A at an equal angle by 90° by the rotation driving part 43, and the rotation clamp (44) A pair of lighting units 46 for outputting a light source to the inspected object A side on both sides, a pair of camera modules 47 for photographing the inspected object A from both sides of the rotating clamp 46, and a camera A vision inspection apparatus comprising an image analysis unit (48) that reads out whether defects including dimensions and appearance defects are read by using the module (47).
제 1항 또는 제 2항에 있어서,
상기 비전검사파트(40)는 벨트컨베이어(32)와 회전클램프(44) 사이에 불량품 선별파트(49)가 구비되고, 상기 승강스테이지(42)는 비전검사파트(40)에서 불량 판별된 피검사물(A)을 하향 배출시 직선구동부(41)에 의해 불량품 선별파트(49)와 대응하는 높이에 일시 정지하도록 설정되며, 상기 불량품 선별파트(49)에 정지된 승강스테이지(42)와 대응하는 일측에는 불량 피검사물(A)을 배출하는 멀티컨베이어(49a)와, 다른 일측에는 승강스테이지(42)에 안착된 피검사물(A)을 멀티컨베이어(49a) 측으로 밀어내는 밀편(49b)이 구비되는 것을 특징으로 하는 비전검사장치.
The method according to claim 1 or 2,
The vision inspection part 40 is provided with a defective product sorting part 49 between the belt conveyor 32 and the rotating clamp 44, and the elevating stage 42 is a test object determined to be defective in the vision inspection part 40 (A) is set to temporarily stop at a height corresponding to the defective item sorting part 49 by the straight drive part 41 when discharged downward, and one side corresponding to the lifting stage 42 stopped at the defective item sorting part 49 There is a multi-conveyor (49a) for discharging the defective object (A), and the other side is provided with a rolling piece (49b) for pushing the object (A) seated on the lifting stage (42) toward the multi-conveyor (49a). Vision inspection device characterized by.
제 3항에 있어서,
상기 직선구동부(41)는, 승강스테이지(42)를 상, 하 이동하는 멀티 공압실린더(41b)와, 멀티 공압실린더(41b)를 상, 하 이동하는 메인 공압실린더(41a)로 구성됨을 구비되는 것을 특징으로 하는 비전검사장치.
The method of claim 3,
The linear drive unit 41 is provided with a multi-pneumatic cylinder (41b) that moves up and down the lifting stage (42), and a main pneumatic cylinder (41a) that moves up and down the multi-pneumatic cylinder (41b). Vision inspection device, characterized in that.
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KR102216779B1 (en) * 2020-09-16 2021-02-17 정규성 Vision inspection device for clutch hub
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CN117732739A (en) * 2024-02-19 2024-03-22 宁德时代新能源科技股份有限公司 Feeding device, feeding method and battery production line

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