WO2004082351A1 - 電子部品実装装置 - Google Patents
電子部品実装装置 Download PDFInfo
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- WO2004082351A1 WO2004082351A1 PCT/JP2004/003306 JP2004003306W WO2004082351A1 WO 2004082351 A1 WO2004082351 A1 WO 2004082351A1 JP 2004003306 W JP2004003306 W JP 2004003306W WO 2004082351 A1 WO2004082351 A1 WO 2004082351A1
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- WIPO (PCT)
- Prior art keywords
- electronic component
- image
- marker
- mirror
- imaging
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/081—Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines
- H05K13/0812—Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines the monitoring devices being integrated in the mounting machine, e.g. for monitoring components, leads, component placement
Definitions
- the present invention relates to an electronic component mounting apparatus for mounting electronic components on a printed circuit board.
- a component mounting head and a component recognition force lens provided at a specific position on the base of the electronic component mounting apparatus.
- the component recognition camera After picking up the component, the component recognition camera performs imaging and component recognition to determine the picking position.
- There is a known configuration that detects a displacement, corrects a mounting position, and mounts a component to the corrected position.
- the head that has picked up the component once moves to the camera to take an image of the component, and then moves to the mounting position, so that the moving distance of the head becomes long. Therefore, a long mirror is provided between the component supply unit and the printed circuit board placement site, and a camera is provided on the head side. The head moves linearly from the component supply unit onto the printed circuit board, and the mirror moves over the mirror.
- An electronic component mounting apparatus that is configured to pass through and, at that time, capture an image of a component reflected by a mirror with a camera has been considered.
- Japanese Patent Application Laid-Open No. 6-216658 discloses a technology of an electronic component mounting device including a component supply device, a strip-shaped mirror, a component mounting head unit, and a CCD camera. I have.
- Japanese Patent Application Laid-Open No. H08-78885 describes that a pair of long strip-shaped mirrors and chip components are used.
- the technology of an electronic component recognition device and an electronic component mounting device including a suction holding head unit to be mounted on a lint substrate and a CCD camera for imaging a chip component is disclosed.
- the technology disclosed in the above publication is disclosed. In such a case, there is a problem that the position of the component is changed due to the displacement of the imaging means.
- the position and scale of the component change due to the influence of the image being distorted due to the bending of the mirror, and there is a problem that it is difficult to accurately image the electronic component and perform the recognition processing.
- the present invention has been made in view of the above-described problems, and it is possible to accurately detect a position shift of an electronic component by preventing an influence of a position shift of an imaging unit or an image distortion due to a mirror distortion. It is an object of the present invention to provide an electronic component mounting apparatus that can perform the above. Disclosure of the invention
- the present invention for solving the above-mentioned problems includes a printed circuit board conveying means for conveying a printed circuit board, a head for moving while holding an electronic component, and a head for mounting the electronic component on the printed circuit board; A marker that moves with the head; a mirror that obtains a mirror image of the marker and a mirror image of the electronic component; and a mirror that is provided on the head, when the head passes over the mirror after the component is attracted.
- An imager for capturing a mirror image of the marker and a mirror image of the electronic component via a lens and an image sensor to obtain images of the electronic component and the electronic component; and an image of the electronic component on an image captured by the imager.
- Electronic component mounting comprising: a detection unit that corrects an error and detects a displacement of the electronic component with respect to the head from the detected position of the electronic component and the corrected position of the head.
- a detection unit that corrects an error and detects a displacement of the electronic component with respect to the head from the detected position of the electronic component and the corrected position of the head.
- the position of the marker is detected from the image on the image sensor, and In addition to correcting the image error of the position, the position of the electronic component with respect to the head is detected from the corrected position of the head and the position of the electronic component similarly detected from the image on the image sensor. Therefore, the displacement of the electronic component with respect to the head can be accurately detected.
- an optical path from the mirror to the lens be changed by providing an auxiliary mirror between the mirror and the imaging means.
- the image of the marker on the imaging screen is brought close to the image of the electronic component by the optical path changing means for changing the optical path from the marker to the imaging means.
- the image of the marker on the image sensor can be made closer to the image of the electronic component.
- the resolution of the electronic component can be increased by increasing the size of the image of the electronic component and the electronic component, thereby improving the accuracy of detecting the displacement of the electronic component with respect to the head.
- the optical path changing unit includes a prism provided between the marker and the imaging unit, and the prism makes the image of the marker on the imaging device close to the image of the electronic component. .
- the optical path is changed by the prism to bring the image of the marker on the image sensor close to the image of the electronic component, so that the resolution of the marker can be made closer to the resolution of the electronic component.
- the accuracy of detecting the displacement of the electronic component with respect to the head is improved.
- the optical path changing unit includes a pre-installed lens provided between the lens and the image sensor. It is preferable that the image of the marker on the imaging screen is taken close to the image of the component by this prism.
- the image of the marker is made closer to the image of the component by the prism provided between the lens and the image sensor, so that the resolution of the image can be made closer to the resolution of the electronic component.
- the imaging means corrects an optical path difference from the first lens to the imaging element by providing an optical member between the lens and the imaging element or between the lens and the marker. It is preferable to connect the best image to the image sensor.
- the optical member corrects the optical path difference from the camera to the image sensor, so that even if the marker cannot be placed at the same distance as the electronic components, it is possible to capture images with one image sensor. Can be.
- the image pickup device is configured such that the center of the lens is deviated from the optical axis of the lens while the optical axis of the lens substantially passes through the center of the electronic component. Is preferably connected near the center of the optical axis of the lens.
- the distortion of the lens becomes greater as the distance from the optical axis becomes point-symmetric with respect to the optical axis, and thus the recognition accuracy can be improved by using a place with the least possible distortion.
- an auxiliary mirror is provided in the vicinity of the side of the electronic component, and the image pickup means captures an image of the side of the electronic component obtained via the auxiliary mirror and the mirror on an image screen.
- the image is formed on a portion different from the image of the electronic component and the image of the marker, and the detecting means detects the position of the electronic component in the height direction from the image of the side of the electronic component on the imaging screen. Is preferred.
- the auxiliary lens posture changing means changes the posture of the auxiliary lens from the retracted posture for retracting from the optical axis to the imaging posture positioned on the lens optical axis, and the electronic component provided in the component supply device. Since the image of the electronic component is obtained by the imaging device and the detecting means confirms the position and the attitude of the electronic component prepared in the component supply device, it is possible to check in advance whether the electronic component is accurately held by the head.
- the imaging means provided with a plurality of the above-mentioned heads, provided at each of at least two adjacent heads, is provided with one marker provided between the adjacent heads. It is preferable that an image of one position is taken and a video error is corrected for each position of the head.
- the imaging means provided in each of the heads captures the position of the marker provided between these adjacent heads, and an image error is detected for each of the head positions. This is economical because it is not necessary to provide a marker for each head.
- a plurality of the heads are provided, and one of the imaging means provided between at least two adjacent heads is a marker corresponding to the adjacent heads. It is preferable to take an image of the position and correct the image error for the position of each adjacent head.
- one image pickup means can be used as a marker corresponding to these adjacent heads. Since the position of the force is imaged and the image error is corrected for the position of each adjacent head, there is no need to provide an imaging means for each head, which is economical.
- the plurality of heads include a plurality of heads, and at least two of the imaging units provided corresponding to at least two adjacent heads are alternately arranged at different distances in the vertical direction. Is preferred.
- the two imaging units are arranged at different distances in the vertical direction, so that the space can be effectively used particularly when the space around the head is small.
- One of two imaging means provided corresponding to at least two adjacent heads has an optical path changing means, and is arranged at a different angle with respect to the mirror by the optical path changing means of the bracket. Is preferred.
- one of the two imaging units is arranged at a different angle with respect to the mirror by the optical path changing unit, so that the space is effectively used particularly when the space around the head is small. be able to.
- a plurality of the above-mentioned heads and at least two of the two imaging means provided in correspondence with at least two adjacent heads each have an optical path changing means. Preferably, it is arranged at a different angle with respect to the mirror by the changing means.
- both of the two imaging units are arranged at different angles with respect to the mirror by the optical path changing unit, so that the space can be effectively used particularly when the space around the head is small. Can be.
- the head includes a plurality of heads, and at least two of the imaging means provided corresponding to at least two adjacent heads are each provided with a corresponding electronic component of the head. It is preferable to have lighting means for illuminating the marker, wherein one of these adjacent imaging means turns off the lighting means and the other turns on the lighting means. No.
- one of the adjacent imaging units turns off the illumination unit and the other turns on the illumination unit. Therefore, it is possible to prevent the illumination units of the two imaging units from interfering with each other. Can be.
- another aspect of the present invention provides a printed circuit board conveying unit that conveys a printed circuit board, a head that moves while holding an electronic component, and mounts the electronic component on the printed circuit board; A mirror that moves with the head, a mirror for obtaining a mirror image of the marker and a mirror image of the electronic component, and an imaging element that includes a lens and a line sensor.
- Imaging means for capturing the mirror image of the marker and the mirror image of the electronic component to obtain a line portion of the image of the marker and the electronic component; a rotating mechanism for changing the angle of the mirror surface of the mirror; and a rotation angle of the mirror surface
- a rotation angle detecting means for detecting a positional deviation of a degree, and controlling and rotating the rotating mechanism so that the image of the electronic component and the image of the electronic component imaged by the imaging means are obtained.
- Control means for causing the imaging means to successively obtain the line portion of the electronic component, and detecting the position of the electronic component from the information of the line portion of the image of the electronic component which is obtained one after another.
- An electronic component mounting apparatus comprising: a detection unit that detects a positional shift with respect to the electronic component.
- the imaging element is formed of an inexpensive line sensor, and the position of the marker is detected from the information of the line portion of the image of the marker, and the image of the position of the head is obtained. Since errors are corrected, and the position of the electronic component with respect to the head is detected from the corrected position of the head, the position of the electronic component with respect to the head can be accurately and economically detected. Can be.
- FIG. 1 is a plan view showing a configuration of an electronic component mounting apparatus according to a first embodiment of the present invention.
- FIG. 2 is a side view showing the configuration of the electronic component mounting apparatus according to the first embodiment of the present invention.
- FIG. 3 is a diagram showing an image on an image sensor in the image pickup means according to the first embodiment of the present invention.
- FIG. 4 is a side view showing the configuration of the electronic component mounting apparatus according to the second embodiment of the present invention.
- FIGS. 5A and 5B are explanatory diagrams illustrating a configuration of an electronic component mounting apparatus according to a third embodiment of the present invention.
- FIG. 5A is a conceptual diagram of an imaging unit of the electronic component mounting apparatus, and FIG. Each image of the image sensor is shown.
- FIG. 6A and 6B are explanatory diagrams illustrating a configuration of an imaging unit of an electronic component mounting apparatus according to a fourth embodiment of the present invention.
- FIG. 6A is a conceptual diagram of the imaging unit, and FIG. Are shown.
- FIGS. 7A and 7B are explanatory diagrams showing a configuration of an electronic component mounting apparatus according to a fifth embodiment of the present invention.
- FIG. 7A is a conceptual diagram of an imaging unit of the electronic component mounting apparatus, and FIG. Are shown respectively.
- FIG. 8 is a side view showing the configuration of the electronic component mounting apparatus according to the sixth embodiment of the present invention.
- FIGS. 9A and 9B are explanatory diagrams showing a configuration of an electronic component mounting apparatus according to a seventh embodiment of the present invention.
- FIG. 9A is a conceptual diagram of an imaging unit of the electronic component mounting apparatus, and FIG. Are shown respectively.
- FIG. 10 is a diagram illustrating a configuration of an electronic component mounting apparatus according to an eighth embodiment of the present invention.
- FIGS. 3A and 3B are diagrams illustrating (a) the retracting posture of the auxiliary lens in the electronic component mounting apparatus, (b) the image of the image sensor when the auxiliary lens is in the imaging posture, and (c) the mounting of the electronic component. The imaging posture of the auxiliary lens in the device is shown.
- FIG. 11 is an explanatory diagram showing an image of the electronic component mounting apparatus according to the ninth embodiment of the present invention.
- FIGS. 12A and 12B are explanatory diagrams showing the configuration of the electronic component mounting apparatus according to the tenth embodiment of the present invention.
- FIG. 12A is a front view showing the configuration of the electronic component mounting apparatus, and
- FIG. ) Indicate images of the imaging means of the electronic component mounting apparatus.
- FIGS. 13A and 13B are explanatory diagrams showing a first modification of the imaging means in the electronic component mounting apparatus according to the tenth embodiment of the present invention.
- FIG. 13A shows a first modification of the imaging means.
- a plan view showing the configuration of the example is shown, and (b) shows a front view.
- FIG. 14 is an explanatory diagram showing a second modified example of the imaging means in the electronic component mounting apparatus according to the tenth embodiment of the present invention.
- FIG. 15 is an explanatory diagram showing a third modification of the imaging means in the electronic component mounting apparatus according to the tenth embodiment of the present invention.
- FIG. 16 is a plan view showing the configuration of the electronic component mounting apparatus according to the first embodiment of the present invention.
- FIG. 16 (a) is a side view
- FIG. 16 (b) is a plan view.
- a head unit 1 16 viewed from below.
- FIG. 17 is a side view showing the configuration of the electronic component mounting apparatus according to the 12th embodiment of the present invention.
- BEST MODE FOR CARRYING OUT THE INVENTION FIG. 1 is a plan view showing a configuration of an electronic component mounting apparatus 10 according to a first embodiment of the present invention.
- FIG. 2 is a side view showing a configuration of a main part of the electronic component mounting apparatus 10 according to the first embodiment of the present invention.
- FIG. 3 is a diagram showing an image on the image sensor 9 b in the image pickup means 9.
- an electronic component mounting apparatus 10 mounts an electronic component 1 (see FIGS. 2 and 3) on a printed circuit board 2, and mounts the electronic component 1 on a base 3.
- a printed circuit board conveying means 4 for disposing and conveying a printed circuit board 2, a component supply device 5 arranged on both sides of the printed circuit board conveying device 4 for supplying an electronic component 1, and an electronic component 1 for transferring the electronic component 1 from the component supplying device 5.
- An image pickup means 9 is provided for obtaining an image of the marker 7 and the electronic component 1 by imaging the marker 7 and the mirror image of the electronic component 1 by the mirror 8.
- the printed circuit board 2 is a board on which a predetermined wiring pattern is formed in advance.
- the electronic component 1 is mounted at a predetermined position on the printed circuit board 2 and is electrically connected to a wiring pattern.
- the base 3 is a table-like mount, and a head unit 11 having a plurality of printed circuit board conveying means 4, a component supply device 5, and a plurality of heads 6 is mounted on the base 3 in the X-axis direction. (Transport direction of printed circuit board transport means 4), and a head unit support member 12 for moving in the Y-axis direction, and a guide rail 13 are provided.
- the printed circuit board transport means 4 is used to carry the printed circuit board 2 into the electronic component mounting apparatus 10 and to carry out the printed circuit board 2 having the electronic components 1 mounted thereon, and to hold the printed circuit board 2. And can be transported left and right.
- the component supply device 5 is a device that supplies the electronic component 1 to the electronic component mounting device 10.
- the component supply device 5 is a diagram in which a large number of electronic components 1 are stored and held at predetermined intervals, and a component tape is wound thereon. By arranging a large number of devices called tape feeders on both sides of the printed circuit board transport means 4, the components are sequentially taken out from the reels and supplied.
- a supply device 5 is configured.
- the head 6 receives the electronic component 1 from the component supply device 5 and moves while holding the received electronic component 1 to move the electronic component 1 to the mounting position of the printed circuit board 2 being conveyed to the printed circuit board conveying means 4.
- a plurality of heads 6 are mounted on the head unit 11.
- the head unit 11 is movable in the X-axis direction (the direction of conveyance of the printed circuit board conveying means 4) and the Y-axis direction (the direction orthogonal to the X-axis direction) over a predetermined range of the base 3. That is, both ends of the head unit support member 12 extending in the X-axis direction are supported by the guide rail 13 in the Y-axis direction, and the head unit support member 12 is movable along the guide rail 13. The head unit 11 is supported by the head unit support member 12 so as to be movable along the X axis.
- the head unit support member 12 is driven in the Y-axis direction via the pole screw 16 by the Y-axis support motor 15 and the pole screw 18 is driven by the X-axis support motor 17.
- the head unit 11 is driven in the X-axis direction via the control unit.
- each head 6 has a nozzle 14 for sucking a component, a marker 7 indicating a reference position of the head 6, and a mirror image of the marker 7 by a mirror 8.
- a marker 7 by imaging a mirror image of the electronic component 1 and an imaging means 9 for obtaining an image of the electronic component 1.
- a negative pressure for sucking components can be supplied to the nozzle 14, and a Z-axis driving unit for moving the head 6 up and down, a rotation driving unit for rotating the head 6, and the like. Is provided.
- the markers 17 are provided on the respective heads 6 and are members that move integrally with the heads 6, and indicate a reference position of each head 6.
- the mirror 8 is a long strip-shaped mirror extending in the X-axis direction.
- the mirror 8 is disposed between an area where the component supply device 5 is provided and a mounting work area where the substrate 2 is located. When moving from the supply device 5 to the print substrate, it passes over the mirror 8. I'm wearing
- the imaging means 9 is composed of, for example, a CCD camera (or CMOS sensor), and has a lens 9a and an image sensor 9b. Then, when the head 6 passes over the mirror 18 after the components are sucked, the mirror image of the marker 7 and the mirror image of the electronic component 1 are projected onto the image sensor 9b by the lens 9a, as shown in FIG. Obtain an image of marker 7 and electronic component 1.
- FIG. 3 shows a case where three markers 7 are provided on the head 6.
- the imaging means 9 has illumination means 9d (FIG. 2) for illuminating the corresponding electronic component 1 of the head 6 and the marker 7 via the mirror 8.
- Image data from the imaging unit 9 is input to the detection unit 19 provided in the control unit of the mounting device.
- the detecting means 19 recognizes and processes the image of the electronic component 1 obtained by the imaging means 9 to detect the position of the electronic component 1, and detects the position of the marker 7 based on the image of the marker 7 on the image sensor 9b.
- the position of the electronic component 1 is corrected by detecting the position and correcting image errors due to the position of the head 6 and image errors due to a change in the capture speed.
- the position of the electronic component 1 with respect to the head 6 is detected from the position.
- FIG. 4 is a side view showing a configuration of an electronic component mounting apparatus 20 according to a second embodiment of the present invention.
- the electronic component mounting apparatus 20 provides an auxiliary mirror 21 between the mirror 8 and the lens 9a, so that the mirror It is configured to change the optical path to a.
- the optical path from the mirror 8 to the lens 9 a is changed by the auxiliary mirror 21, and the selection range of the installation location of the imaging unit 9 is expanded, so that the degree of freedom in designing around the head 6 is improved. Can be done.
- FIG. 5 is an explanatory diagram showing a configuration of an electronic component mounting apparatus 30 according to a third embodiment of the present invention.
- FIG. 5A is a conceptual diagram of an imaging unit 9 of the electronic component mounting apparatus 30.
- b) shows an image of the image sensor 9b, respectively.
- the imaging means 9 of the electronic component mounting apparatus 30 includes an optical path changing means 3 1 (the third embodiment) for changing an optical path from the primary device 7 to the image sensor 9 b.
- the image of the marker 7 on the image sensor 9 b is brought close to the image of the electronic component 1 by a prism 32 2) provided between the lens 7 and the lens 9 a. Have been.
- the image of the marker 7 on the image sensor 9 b is brought closer to the image of the electronic component 1 by changing the optical path from the marker 17 to the image sensor 9 b by the prism 32. Accordingly, the images of the marker 7 and the electronic component 1 can be enlarged in a limited size screen, and the accuracy of detecting the displacement of the electronic component 1 with respect to the head 6 can be improved.
- FIG. 6 is an explanatory diagram showing a configuration of an imaging unit 49 of an electronic component mounting apparatus 40 according to a fourth embodiment of the present invention.
- FIG. 6A is a conceptual diagram of the imaging unit 49, and FIG. ) Is the image sensor The image of the child 49 b is shown.
- the optical path changing means 31 of the electronic component mounting apparatus 40 includes a prism provided between the lens 49a and the imaging element 49b. As shown in FIG. 6 (b), the prism 42 captures the image of the marker 7 close to the image of the electronic component 1.
- the image of the marker 7 is brought closer to the image of the electronic component 1 by changing the optical path from the first lens 7 to the image sensor 49 b by the prism 42, so that the third embodiment Similarly to the above, the images of the marker and the electronic component can be enlarged in a screen of a limited size, so that the resolution can be increased, and the accuracy of detecting the displacement can be improved.
- FIG. 7 is an explanatory diagram showing a configuration of an electronic component mounting apparatus 50 according to a fifth embodiment of the present invention.
- FIG. 7A is a conceptual diagram of an imaging unit 59 of the electronic component mounting apparatus 50.
- (B) shows an image of the image sensor 59b.
- the imaging means 59 of the electronic component mounting apparatus 50 includes a lens 59a and an imaging element 59b.
- the optical member 51 By providing the optical member 51, the optical path difference from the marker 17 to the image sensor 59b is corrected so that the image of the marker 7 is connected to the image sensor 59b.
- the optical member 51 corrects the optical path difference from the marker 7 to the image sensor 59b, so that even if the marker 17 cannot be arranged at the same distance as the electronic component 1, one image sensor Images can be taken at 5 9 b.
- optical member 51 is provided between the lens 59a and the marker 7 instead of between the lens 59a and the image sensor 59b to correct the optical path difference and to provide the image sensor 59 The same effect can be obtained even if the image of the marker 7 is connected on b.
- FIG. 8 is a side view showing a configuration of an electronic component mounting apparatus 60 according to the sixth embodiment of the present invention.
- the optical axis 69c of the lens 69a passes substantially through the center 1a of the electronic component 1.
- the center 69 d of the imaging element 69 a b is deviated from the optical axis 69 c of the lens 69 a, so that the image of the marker 17 and the image of the electronic component 1 are obtained.
- the distortion of the lens 69a is point-symmetrically distant from the optical axis 69c with respect to the optical axis 69c, the distortion increases as the location where the distortion is as small as possible increases the recognition accuracy. Can be improved.
- FIG. 9 is an explanatory diagram showing a configuration of an electronic component mounting apparatus 70 according to a seventh embodiment of the present invention.
- FIG. 9A is a conceptual diagram of an imaging unit 79 of the electronic component mounting apparatus 70.
- (B) shows the image of the image sensor 79b, respectively.
- the electronic component mounting apparatus 70 includes an auxiliary mirror 71 near the side of the electronic component 1, and the imaging means 79 As shown in FIG. 9 (b), the image of the side 1b of the electronic component 1 obtained through the auxiliary mirror 71 and the mirror 8 is imaged on the image sensor 79b. And an image on a portion different from the image of the marker 7, and the detecting means 72 determines the position of the electronic component 1 in the height direction based on the image of the side 1 b of the electronic component 1 on the image sensor 79 b. It is configured to detect.
- the position of the electronic component 1 in the height direction can be adjusted without newly adding an expensive imaging means. Can be detected.
- FIGS. 10A and 10B are explanatory diagrams showing a configuration of an electronic component mounting apparatus 80 according to an eighth embodiment of the present invention.
- FIG. 10A shows a retracting posture of the auxiliary lens 81 in the electronic component mounting apparatus 80.
- (81a) is an image of the imaging element 89b with the auxiliary lens 81 in the imaging posture 81b
- (c) is an auxiliary image of the electronic component mounting apparatus 80. Shooting the lens 8 1 The image posture 81b is shown.
- the imaging means 89 of 80 is provided with an auxiliary lens 81.
- the auxiliary lens 81 is moved by an auxiliary lens attitude changing means 81c so that the auxiliary lens 81 is positioned on the optical axis 89c of the lens 89a.
- the attitude can be changed between b (FIG. 10 (c)) and the evacuation attitude 81a (FIG. 10 (a)) to retreat from the optical axis.
- the auxiliary lens 81 changes its posture to an imaging posture of 8 lb (FIG. 10 (c)) while the head 86 is at a predetermined position at the time of component suction, and the electronic device provided in the component supply device 5
- the component 1 is projected onto the imaging means 89, and as shown in FIG. 10B, an image of the electronic component 1 prepared in the component supply device 5 is captured by the imaging element 89b.
- the component supply device 5 is provided with a marker 5a so as to indicate the reference position of the component supply device 5.
- the electronic component mounting apparatus 80 is provided with a detecting means 82, and the detecting means 82 uses the image of the electronic component 1 to determine the position and posture of the electronic component 1 prepared in the component supply device 5. It is configured to perform detection.
- the position of the auxiliary lens 81 is changed from the retracted position 81a to the image pickup position 81b, and the image of the electronic component 1 prepared in the component supply device 5 is obtained by the image pickup device 89b and detected. Since the means 82 confirms the position and orientation of the electronic component 1, it is possible to check in advance whether the electronic component 1 is accurately held by the nozzle 14.
- FIG. 11 is an explanatory diagram showing an image of the electronic component mounting apparatus 90 according to the ninth embodiment of the present invention.
- the electronic component mounting apparatus 90 has a plurality of heads 96a, 96b, 96c, 96d, and heads 96a, 96b, 96 c,
- the imaging means provided for each of the 96d is composed of adjacent heads 96a and 96b (9 6c and 96), the position of the marker 97a (97b) provided between the heads 96a, 96b, 96c and 96d is imaged. It is configured to correct.
- the imaging means provided in each of the heads 96a, 96b, 96c, and 96d is provided between the adjacent heads 96a and 96b and between (96c and 96d).
- the position of the provided marker 97a (97b) is imaged, and image errors are corrected for the positions of the respective heads 96a, 96b, 96c, and 96d. Can be greatly reduced.
- FIG. 12 is an explanatory diagram showing a configuration of an electronic component mounting apparatus 100 according to a tenth embodiment of the present invention.
- FIG. 12A is a front view showing the configuration of the electronic component mounting apparatus 100.
- (b) shows an image of the imaging means 109 of the electronic component mounting apparatus 100, respectively.
- the electronic component mounting apparatus 100 has a plurality of heads 106a to 106h, two of which are adjacent heads 106a and 106b. , Between 106 c and 106 d, between 106 e and 106 f, and between 106 g and 106 h, respectively.109 a, 109 b, 109 c, 109 d captures the position of the head corresponding to these adjacent heads 106a to 106h and corrects the image error for the positions of the adjacent heads 106a to 106h. (FIG.
- FIG. 12 (b) shows an image captured by the imaging means 109a on the image sensor 109b, that is, the marker 107a corresponding to the adjacent heads 106a and 106b, and the electronic component 1.
- the imaging means 109a, 109b, 109c, and 109d capture the positions of the markers corresponding to the heads 106a to 106h. Te, because to correct the image errors for the location of head 106 to l 06 h respectively to the, the number of imaging means large
- the width can be reduced.
- FIGS. 13A and 13B are explanatory views showing a first modified example of the imaging means in the electronic component mounting apparatus 100 according to the tenth embodiment of the present invention.
- FIG. A plan view showing a configuration of a modification is shown, and (b) shows a front view.
- a first modification of the imaging means in the electronic component mounting apparatus 100 corresponds to a plurality of heads 106a to 106h.
- the provided imaging means 109 a to 109 h are arranged so as to be alternately arranged at different distances in the vertical direction.
- the imaging means 109 a to 109 h are arranged at different distances in the vertical direction, the space around the head 106 a to 106 h is particularly large. When the space is narrow, the space can be used effectively.
- FIG. 14 is an explanatory view showing a second modification of the imaging means in the electronic component mounting apparatus 100 according to the tenth embodiment of the present invention.
- a second modified example of the imaging means in the electronic component mounting apparatus 100 includes imaging means 109 a provided in correspondence with the adjacent heads 106 a to 106 h. 1109 h, i.e., the imaging means 109 b, 109 d, 109 f, and 109 h have optical path changing means 122 comprising a mirror surface, and According to 21, the mirrors 8 are arranged at different angles from the imaging means 109 a, 109 c, 109 e, and 109 g.
- one of the imaging means 109 b, 109 d, 109 f, and 109 h of the imaging means 109 a to 109 h is changed by the optical path changing means 122. Since the imaging means are arranged at an angle different from that of the imaging means 109 a, 109 c, 109 e, and 109 g, the heads 106 a to 106 are particularly h The space can be used effectively when the space around is small.
- FIG. 15 is a photograph of the electronic component mounting apparatus 100 according to the tenth embodiment of the present invention.
- FIG. 14 is an explanatory view showing a third modification of the image means.
- a third modification of the imaging unit in the electronic component mounting apparatus 100 is such that imaging units 109 a to 109 h provided corresponding to adjacent heads 106 a to 106 h respectively include: It has an optical path changing means 131, and is arranged at a different angle with respect to the mirror 18 by the optical path changing means 131 of the bracket.
- the imaging means 109 a to 109 h are arranged at different angles with respect to the mirror 8 by the optical path changing means 131, respectively.
- the space can be used effectively when the space around the head 106 a to l 06 h is narrow.
- FIG. 16 is an explanatory diagram showing a configuration of an electronic component mounting apparatus 110 according to an eleventh embodiment of the present invention.
- FIG. 16 (a) is a side view
- FIG. 16 (b) is a head unit 116. Are shown from below, respectively.
- the electronic component mounting apparatus 110 has a plurality of heads 116a to 116d, and heads 116a to 116d. Illumination (not shown) in which imaging means provided corresponding to the illuminations illuminate the electronic components 1 of the corresponding heads 116a to 116d and the markers 116a to 116d in the illumination range 111a to 111d, respectively. Means 112a to 112d (corresponding to the illumination means of the electronic component mounting apparatus 10 according to the first embodiment), and one of the illumination ranges 111a, 111c (or 111b) of these adjacent imaging means. , 111 d), the illumination is turned off in the other illumination range 1 llb, 111 d (or 111 a, 111 c) with the illumination turned off.
- FIG. 17 is a side view showing a configuration of an electronic component mounting apparatus 120 according to the 12th embodiment of the present invention.
- the electronic component mounting apparatus 120 includes a print substrate transport unit 4 that transports a print substrate 2, and a device that moves while holding the electronic component 1.
- a mirror 127 for obtaining a mirror image of the electronic component 1 is provided.
- the electronic component mounting apparatus 120 is provided with an image pickup means 128 comprising a line sensor for obtaining a line portion of an image of the marker 7 and the electronic component 1 and a mirror surface 127 a of the mirror 18.
- the image pickup means 128 includes a marker 17 picked up by the image pickup means 128 and a control means 123 for causing the image pickup means 128 to successively obtain a line portion of an image of the electronic component 1.
- the detecting means 1 29 provided in the imaging means 1 28 detects the position of the electronic component 1 from the information on the line portion of the image of the electronic component 1 obtained one after another, and It is configured to detect the position of the force 17 from the information on the line portion of the image and correct the image error due to the mirror 127 with respect to the position of the head 6. Further, the detecting means 1 29 is configured to detect a displacement of the electronic component 1 with respect to the head 6 from the detected position of the electronic component 1 and the corrected position of the head 6. ing.
- the imaging means 128 since the imaging means 128 includes an inexpensive line sensor, the displacement of the electronic component 1 with respect to the head 6 can be accurately and economically detected.
- INDUSTRIAL APPLICABILITY As described above, according to the present invention, it is possible to prevent the displacement of the imaging position of the component by the imaging unit and the influence of the image distortion due to the distortion of the mirror, etc., and to accurately position the electronic component. This has a remarkable effect that deviation can be detected.
Landscapes
- Engineering & Computer Science (AREA)
- Operations Research (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Supply And Installment Of Electrical Components (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2004800066111A CN1759644B (zh) | 2003-03-12 | 2004-03-12 | 电子元件安装装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003067219A JP4372439B2 (ja) | 2003-03-12 | 2003-03-12 | 電子部品実装装置 |
JP2003-067219 | 2003-03-12 |
Publications (1)
Publication Number | Publication Date |
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WO2004082351A1 true WO2004082351A1 (ja) | 2004-09-23 |
Family
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PCT/JP2004/003306 WO2004082351A1 (ja) | 2003-03-12 | 2004-03-12 | 電子部品実装装置 |
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JP (1) | JP4372439B2 (ja) |
CN (1) | CN1759644B (ja) |
WO (1) | WO2004082351A1 (ja) |
Cited By (3)
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CN102245011A (zh) * | 2010-04-27 | 2011-11-16 | 株式会社日立高新技术仪器 | 电子零部件安装方法及其装置 |
CN111629107A (zh) * | 2020-06-10 | 2020-09-04 | 北京字节跳动网络技术有限公司 | 终端的控制方法、装置、终端和存储介质 |
CN116026859A (zh) * | 2023-01-30 | 2023-04-28 | 讯芸电子科技(中山)有限公司 | 一种光电子模块的安装检测方法、装置、设备及存储介质 |
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EP1696383B1 (en) * | 2005-02-25 | 2008-06-18 | Psion Teklogix Systems Inc. | Automatic perspective distortion detection and correction for document imaging |
JP4734140B2 (ja) * | 2006-02-28 | 2011-07-27 | 株式会社日立ハイテクインスツルメンツ | 電子部品装着装置 |
JP4828298B2 (ja) * | 2006-05-11 | 2011-11-30 | ヤマハ発動機株式会社 | 部品実装方法および部品実装装置 |
JP4789721B2 (ja) * | 2006-07-11 | 2011-10-12 | 富士機械製造株式会社 | 部品保持具による電子回路部品の保持位置検出装置 |
US7937233B2 (en) * | 2008-04-17 | 2011-05-03 | 3M Innovative Properties Company | Preferential defect marking on a web |
JP5415791B2 (ja) * | 2009-03-12 | 2014-02-12 | 富士機械製造株式会社 | 撮像装置および電子回路部品装着機 |
JP5385010B2 (ja) * | 2009-05-29 | 2014-01-08 | Juki株式会社 | 電子部品実装装置 |
JP5421885B2 (ja) * | 2010-09-30 | 2014-02-19 | パナソニック株式会社 | 部品実装方法、および、部品実装機 |
JP5798047B2 (ja) * | 2012-01-10 | 2015-10-21 | ヤマハ発動機株式会社 | 部品撮像装置、表面実装機および部品検査装置 |
JP5600705B2 (ja) | 2012-05-10 | 2014-10-01 | ヤマハ発動機株式会社 | 部品実装装置 |
JP5955688B2 (ja) * | 2012-08-01 | 2016-07-20 | 富士機械製造株式会社 | 電子部品実装機 |
CN105991912A (zh) * | 2015-02-02 | 2016-10-05 | 宁波舜宇光电信息有限公司 | 一种在摄像模组自动调心过程中识别特征对象的方法 |
EP3322274B1 (en) * | 2015-07-08 | 2021-07-07 | FUJI Corporation | Mounting device |
CN105551033B (zh) * | 2015-12-09 | 2019-11-26 | 广州视源电子科技股份有限公司 | 元件标记方法、系统和装置 |
EP3547815B1 (en) * | 2016-11-22 | 2022-11-30 | Fuji Corporation | Mounting machine |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102245011A (zh) * | 2010-04-27 | 2011-11-16 | 株式会社日立高新技术仪器 | 电子零部件安装方法及其装置 |
CN111629107A (zh) * | 2020-06-10 | 2020-09-04 | 北京字节跳动网络技术有限公司 | 终端的控制方法、装置、终端和存储介质 |
CN111629107B (zh) * | 2020-06-10 | 2022-01-25 | 北京字节跳动网络技术有限公司 | 终端的控制方法、装置、终端和存储介质 |
CN116026859A (zh) * | 2023-01-30 | 2023-04-28 | 讯芸电子科技(中山)有限公司 | 一种光电子模块的安装检测方法、装置、设备及存储介质 |
CN116026859B (zh) * | 2023-01-30 | 2023-12-12 | 讯芸电子科技(中山)有限公司 | 一种光电子模块的安装检测方法、装置、设备及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
CN1759644B (zh) | 2010-12-08 |
CN1759644A (zh) | 2006-04-12 |
JP4372439B2 (ja) | 2009-11-25 |
JP2004281468A (ja) | 2004-10-07 |
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