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61. 发明专利

JPH06148090A PAINTING INSPECTION INFORMATION ANALYZER 失效
公开(公告)号：JPH06148090A
公开(公告)日：1994-05-27
申请号：JP29890092
申请日：1992-11-09
申请人： TOYOTA MOTOR CORP
发明人： MORINAGA YASUHIKO , SAKAKIBARA MASATO , KAWASE MASAO , OISHI HIROYUKI
IPC分类号： G01B11/30 , G01N21/88
摘要： PURPOSE:To facilitate analysis of correlation by unifying processing information of facilities and quality information of painted film in painting inspection information analyzer for analyzing correlation between processing conditions of painting and painting quality under the conditions. CONSTITUTION:Processing conditions of facilities installed in an intercoating step (second step), a finish coating step (fourth step) and a drying step (fifth step) are detected, and stored in a predetermined format in a measuring data base 5. An inspection result of a painted film quality inspecting unit for inspecting a quality of a painted film is stored as quality information in a predetermined format in the base 5. Data of the base 5 is transferred to a statistical processor 6 and a statistically processing computer 7. The processor 6 and the computer 7 connect the quality information of the film and processing conditions for generating the quality, and statistically process it.

62. 发明专利

JPH05126758A PAINTING-QUALITY INSPECTING METHOD 失效
公开(公告)号：JPH05126758A
公开(公告)日：1993-05-21
申请号：JP31734491
申请日：1991-11-06
申请人： TOYOTA MOTOR CORP
发明人： TANAKA YASUAKI , SAKAKIBARA MASATO
IPC分类号： G01N21/88 , G06T1/00
摘要： PURPOSE:To make it possible to understand the contents of painting quality readily and to make it possible to instruct the correction of the painting when the quality defect has occurred in the painting quickly. CONSTITUTION:The image of light L in a fringe pattern, which 13 cast on a painted material 3, is picked up with an image sensing means 25. The image, which is picked up with the image sensing means is, is processed with an image processing means 30. The image information, which is processed with the image processing means 30, undergoes vertical differentiation analysis. Thus, the information of the painting quality is obtained. The painting quality is classified based on the contents. The contents and the positions of the generations of the painting-quality information are displayed.

63. 发明专利

JPS63171345A APPARATUS FOR INSPECTING SURFACE FLAW 失效
公开(公告)号：JPS63171345A
公开(公告)日：1988-07-15
申请号：JP365787
申请日：1987-01-09
申请人： TOYOTA MOTOR CORP
发明人： SAKAKIBARA MASATO
IPC分类号： G01B11/30 , G01N21/88 , G01N21/93 , G01N21/952
摘要： PURPOSE:To automatically detect the flaw part on an article to be inspected, by differentiating the level signal obtained by picking up the image of a surface to be inspected by an image pickup means to form a level change degree signal and comparing said change degree signal with a predetermined reference value. CONSTITUTION:The image of the light and shade stripe pattern projected on a surface to be inspected by a light and shade pattern projecting means M1 is picked up as a light intensity level signal by an image pickup mean M2 and the light intensity level signal of the picked-up image is differentiated by a change degree detection means M3 to form a level change degree signal. When a flaw part such as unevenness is present on the surface to be inspected, the level of the flaw part is detected as an intermediate level signal not belonging to both of the high level of a light part and the low level of a shade part by said flaw part and the change degree signal obtained by differentiating the flaw part is detected as a signal not having the boundary part of the high level of the light part and the low level of the shade part. Then, by comparing the change degree signal with a predetermined reference value using a flaw part extraction means 4, the irregular part of the change degree signal can be extracted as the flaw part of the surface to be inspected.

64. 发明专利

JPS63111448A SURFACE DEFECT INSPECTING DEVICE 失效
公开(公告)号：JPS63111448A
公开(公告)日：1988-05-16
申请号：JP25747086
申请日：1986-10-29
申请人： TOYOTA MOTOR CORP
发明人： SAKAKIBARA MASATO
IPC分类号： G01B11/30 , G01N21/88
摘要： PURPOSE:To realize the unmanned surface inspection of a body by using industrial equipment such as a robot by detecting a defect part such as an irregularity on the body to be inspected as an end point where the boundary line from a dark part to a light part of a pattern, etc., is broken. CONSTITUTION:A dot image projected in a stripe pattern on the surface of the body OB to be inspected by a stripe pattern projecting device 1 is picked up by a TV camera 2, which outputs a video signal. Then the video signal is converted by a binarization circuit 2 into a binary signal and a boundary line detecting circuit 4 detects the boundary line from the dark part to the light part of the stripe pattern based on the output of the circuit 3. Then, the end point where the boundary line is broken is detected by an end point detecting circuit 5 and a decision circuit 6 decides whether or not there is a defect part such as an irregularity on the surface of the body OB to be inspected on the basis of the detection output.

65. 发明专利

JPS6340842A SURFACE DEFECT INSPECTING DEVICE 失效
公开(公告)号：JPS6340842A
公开(公告)日：1988-02-22
申请号：JP18487486
申请日：1986-08-06
申请人： TOYOTA MOTOR CORP
发明人： SAKAKIBARA MASATO
IPC分类号： G01N21/88
摘要： PURPOSE:To obtain highly reliable results of inspection with a higher speed and automation, by judging the area of a defect as calculated from an irregular part signal contained in an image signal of a density pattern formed on a surface to be inspected outputted by photographing. CONSTITUTION:A virtual image projected on an object OB to be inspected with a stripe pattern projector 1 is converted into a video signal with a TV camera 30 and outputted to a halftone part detection circuit 51 of a pal signal output device 5 to be separated into a video signal VD2 and a synchronous signal SS. The signal VD2 is inverted with an inverter 52 and is ANDed by an AND circuit 71 of an irregular part signal detector 7 with a signal inverted with an inverter 54 via a monostable multivibrator 53 to obtain a signal leaving a high level due to a halftone part 'bad' caused by a surface defect and the signal is inverted with an inverter 72 to be inputted into a mixer 73. The signal SS is also inputted into a mixer 73 to be outputted to a display DP2 for displaying while it is outputted to a defect extraction circuit 91 of a decision device 9 to judge the area of the halftone part 'bad' shown on the display DP2 and the part is determined to be a defect when the area exceeds a specified value.

66. 发明专利

JPS6338144A SURFACE DEFECT INSPECTION DEVICE 失效
公开(公告)号：JPS6338144A
公开(公告)日：1988-02-18
申请号：JP18249886
申请日：1986-08-02
申请人： TOYOTA MOTOR CORP
发明人： SAKAKIBARA MASATO
IPC分类号： G01N21/88
摘要： PURPOSE:To automate defect inspection by detecting the irregular part of a light and dark pattern projected on a surface to be inspected and comparing the area of the irregular part with specific area. CONSTITUTION:The stripe pattern with specific pitch is projected on the surface of a body OB to be inspected by a flat plate 10 which has many slits and a light source 11 and the stripe pattern is picked up by a TV camera 30. Then the video signal of the video signal of the camera 30 is supplied to an irregularity detector 3 to discriminate between the light and dark pattern and irregular part bad, and the size of the irregular part bad is digitized. Then, the defect part extracting circuit 51 of a decision device 5 counts picture elements displaying the irregular part bad by a pattern recognizing method to find the area of the irregular part bad. Then, the device 5 detects a defect part such as unevenness on the surface of the body OB to be inspected as the irregular part bad automatically. Thus, the size of the defect part on the body OB is digitized and compared with a quantitative value to decide the defect part, so the high-reliability inspection result is obtained.

67. 发明专利

JP2002143726A METHOD FOR DETECTING ABNORMALITY OF ELECTROSTATIC COATING APPARATUS 失效
公开(公告)号：JP2002143726A
公开(公告)日：2002-05-21
申请号：JP2000339176
申请日：2000-11-07
申请人： TOYOTA MOTOR CORP
发明人： FUJISHIMA MASATAKE , SAKAKIBARA MASATO
IPC分类号： B05D1/04 , B05B5/025
摘要： PROBLEM TO BE SOLVED: To provide a method for detecting abnormality of an electrostatic coating apparatus which can prevent erroneous detection of a spark abnormality caused by an electric power leak. SOLUTION: The method for detecting abnormality of an electrostatic coating apparatus which detects abnormality of the electrostatic coating apparatus having a coating spray device 1, a coating feed device 2 and a power supply device 3, is characterized by having a power supply measuring process for measuring a power supply flowing in a power supply circuit 32, a leak power measuring process for measuring a leak power flowing in an earth circuit 24 and an abnormality detecting process detecting spark abnormality by the supply power and the leak power. The method prevents the erroneous detection of the abnormality caused by a power leaking to a coating material side since the spark abnormality is detected by measuring the supply power and the leak power.

68. 发明专利

JP2002022665A METHOD AND APPARATUS FOR INSPECTION OF SURFACE DEFECT 失效
公开(公告)号：JP2002022665A
公开(公告)日：2002-01-23
申请号：JP2000211310
申请日：2000-07-12
申请人： NIPPON KOKAN KK , TOYOTA MOTOR CORP
发明人： UESUGI MITSUAKI , KAWAMURA TSUTOMU , NATSUME AKIRA , MIYAMOTO YASUSHI , SAKAKIBARA MASATO , YAMADA KIYOSHI
IPC分类号： G01N21/88 , G06T1/00 , G06T3/00 , H04N1/40
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus, for the inspection of a surface defect, wherein a robust inspection can be performed even with reference to the influence of the strain of slit light due to the reflectance or the 3-D irregular shape of a face to be inspected. SOLUTION: The semispecular face 2, to be inspected, having an irregular defect 1 is irradiated with slitlike diffusion illumination light by using an illuminator 3, and its illumination mirror image 4 is photographed by an imaging device 5. The illuminator 3 can be scanned by a scanning mechanism 6. When it is scanned, the illumination mirror image 4 is moved on the face 2 to be inspected. The position of the illuminator 3 is output as a scanning position signal by the scanning mechanism 6. An image compositing device 7 processes the momentary image of the face to be inspected. The value of the scanning position signal at a timing at which every pixel corresponding to every point on the face 2 to be inspected is regarded as the value of the pixel, and an image having the value of the pixel is composited. A defect judgment device 8 processes the composited image so as to extract a defect part on the face to be inspected. Thereby, its size or its degree is discriminated.

69. 发明专利

JP2000167451A AUTOMOBILE PAINTING SYSTEM 失效
公开(公告)号：JP2000167451A
公开(公告)日：2000-06-20
申请号：JP34550898
申请日：1998-12-04
申请人： TOYOTA MOTOR CORP , KOBE STEEL LTD
发明人： INOUE MASAHIRO , SAKAKIBARA MASATO , OBATA MITSUYOSHI , ITO JUNJI
IPC分类号： B05D3/00 , B05B12/00 , B05D7/14 , B62D65/00
摘要： PROBLEM TO BE SOLVED: To provide an automobile painting system in which a cover opening/ closing device for opening/closing a cover is prevented from being contaminated by paint mist. SOLUTION: This automobile painting system 1 that can paint the inside of a cover W of an automobile has: a conveying device 2 for conveying an automobile in the conveying direction; a painting zone 3 installed in midway of a conveying route of the automobile conveyed by the conveying device; a cover opening device 4 arranged upstream of the painting zone and for opening the cover of the automobile conveyed to the conveying device; a painting device 5 arranged in the painting zone and made mobile in the direction in which the conveying route is extended and for painting the inside of the cover of the automobile; and a cover closing device 6 arranged downstream of the painting zone and for closing the cover of the automobile conveyed to the conveying device.

70. 发明专利

JP2000140713A COATING DUST COLLECTION APPARATUS 失效
公开(公告)号：JP2000140713A
公开(公告)日：2000-05-23
申请号：JP31443498
申请日：1998-11-05
申请人： TOYOTA MOTOR CORP
发明人： INOUE MASAHIRO , SAKAKIBARA MASATO
IPC分类号： B05B5/08
摘要： PROBLEM TO BE SOLVED: To provide the subject apparatus capable of preventing coating dust from adhering to a place different from a surface to be coated. SOLUTION: A coating dust collection apparatus 1 for collecting charged coating dust scattering without going toward a surface to be coated from a coating machine 2 has an electrode 1a, to which charge having polarity inverse to that of the charge possessed by the coating dust is applied, and is provided on the way of a coating dust scattering route. An electrode 1 is formed as a needle or plate-shaped electrode and the electrode 1a is coated with, for example, a material containing C(carbon) and having solvent resistance such as a polyether ether ketone material containing C and adjusted to about 108 Ωin electric resistance.

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