WO2013031058A1 - 部品実装装置、ヘッド及び部品姿勢認識方法 - Google Patents
部品実装装置、ヘッド及び部品姿勢認識方法 Download PDFInfo
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- WO2013031058A1 WO2013031058A1 PCT/JP2012/003110 JP2012003110W WO2013031058A1 WO 2013031058 A1 WO2013031058 A1 WO 2013031058A1 JP 2012003110 W JP2012003110 W JP 2012003110W WO 2013031058 A1 WO2013031058 A1 WO 2013031058A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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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
- G01N21/8806—Specially adapted optical and illumination features
-
- 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
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95684—Patterns showing highly reflecting parts, e.g. metallic elements
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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
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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
- G01N21/8806—Specially adapted optical and illumination features
- G01N2021/8841—Illumination and detection on two sides of object
Definitions
- the present invention relates to a component mounting apparatus, a head, and a component posture recognition method that include a head having a nozzle for holding a component and an imaging unit that images the component, and mounts the component on a substrate.
- a component mounting apparatus that holds a component with a nozzle and mounts the component on a substrate is known.
- this component mounting apparatus it is important to accurately recognize the posture of the component held by the nozzle in order to mount the component on the substrate with high accuracy.
- the thickness of a component is measured by moving the nozzle up and down. Thereby, from the thickness of the said part, the part shape at the time of seeing a part from the side can be grasped
- a line sensor is provided in the head, and the component held by the nozzle is imaged from the side by the line sensor. Thereby, from the imaging result by the line sensor, the part shape when the part is viewed from the side can be grasped, and the posture of the part can be recognized.
- a camera is provided in the head, and the component held by the nozzle is imaged from the side by the camera.
- the shape of the component when the component is viewed from the side can be grasped from the imaging result of the camera, and the posture of the component can be recognized.
- JP 2010-114340 A Japanese Patent No. 4675833 JP 2005-101111 A
- the conventional component mounting apparatus has a problem that it takes time to recognize the posture of the component, and tact loss occurs.
- the tact loss is a loss of mounting time (tact) for mounting a plurality of predetermined components on the board.
- the present invention has been made to solve the above problem, and provides a component mounting apparatus, a head, and a component posture recognition method that can recognize the posture of a component while having a simple configuration and suppressing tact loss. With the goal.
- a component mounting apparatus includes a head having a first nozzle that holds a first component and a second nozzle that holds a second component, the first component, and the second component. And a component mounting device that mounts the first component and the second component on a substrate, wherein the head is between the first nozzle and the second nozzle.
- the first nozzle side that is arranged and sandwiches the first nozzle between the first irradiation unit that irradiates light toward the side surface of the first component and the side surface of the second component, and the first irradiation unit.
- the first nozzle that is disposed on the first side and reflects the light emitted by the first irradiation unit toward the imaging unit in the first region, and the second irradiation unit so as to sandwich the second nozzle.
- the light that is disposed on the side of the second nozzle and is irradiated by the first irradiation unit A second reflecting portion that reflects toward the imaging portion, and the imaging portion images the first region of the first reflecting portion or the second region of the second reflecting portion, thereby The side of one part or the side of the second part is imaged.
- the component mounting apparatus irradiates light from the first irradiation unit toward the side surface of the first component and the side surface of the second component, and the first region of the first reflection unit or the second region of the second reflection unit.
- the light is reflected in the two regions, and the first region or the second region is imaged by imaging the first region or the second region by the imaging unit.
- the second irradiation unit that irradiates light toward the third region including the lower surface of the first component or the lower surface of the second component, and the first irradiation unit and the second irradiation unit
- An irradiation control unit that irradiates light or stops the irradiation of the light, and the irradiation control unit includes the first irradiation unit when the imaging unit images the first region or the second region. And irradiating the second irradiation unit with light, and when the imaging unit images the third region, the second irradiation unit is irradiated with light and the first irradiation is performed. Stop light irradiation on the part.
- the component mounting apparatus causes the first irradiation unit to irradiate light and stops the second irradiation unit from irradiating light.
- the side of the first part or the side of the second part is imaged.
- the imaging unit images the third region
- the second irradiating unit is irradiated with light
- the first irradiating unit is stopped from irradiating light so that the lower surface of the first component or the lower surface of the second component is Take an image. That is, the side surface of the component can be imaged using an imaging unit provided for imaging the lower surface of the component.
- a structure is simple and can recognize the attitude
- it further includes a head movement control unit that moves the head and an imaging control unit that causes the imaging unit to capture an image, and the head movement control unit is located above the imaging unit in the first region.
- the irradiation control unit causes the first irradiation unit to irradiate light toward the first region and stops the second irradiation unit from irradiating light.
- the imaging control unit causes the imaging unit to image the first region, and the head movement control unit causes the third region to be above the imaging unit.
- the irradiation control unit When the head is moved so as to be arranged, the irradiation control unit causes the second irradiation unit to irradiate light toward the third region and stops light irradiation to the first irradiation unit.
- the imaging control unit When the image area is imaged in the third area, and the head movement control section moves the head so that the second area is arranged above the imaging section, the irradiation control section The first irradiation unit irradiates light toward the second region and the second irradiation unit stops light irradiation, and the imaging control unit causes the imaging unit to image the second region.
- the component mounting apparatus causes the first irradiating unit to irradiate light toward the first region and the second when the head is moved so that the first region is arranged above the imaging unit. In a state where irradiation of light is stopped or stopped by the irradiating unit, the first region is imaged by the imaging unit. Further, the component mounting apparatus causes the second irradiation unit to irradiate light toward the third region and causes the first irradiation unit to emit light when the head is moved so that the third region is disposed above the imaging unit. Light irradiation is stopped, and the imaging unit is caused to image the third region.
- the component mounting apparatus causes the first irradiation unit to emit light toward the second region and causes the second irradiation unit to emit light when the head is moved so that the second region is disposed above the imaging unit.
- the irradiation of light is stopped, and the second region is imaged by the imaging unit. That is, the component mounting apparatus moves the head, and sequentially images the side surface of the first component, the lower surface of the first component, the lower surface of the second component, and the side surface of the second component.
- the side surfaces and the lower surface of the first component and the second component are imaged simultaneously, the field of view of the imaging is increased, and the illumination light is biased, so that the imaging accuracy is reduced.
- the imaging accuracy can be improved by sequentially imaging the side surfaces and the lower surface of the first component and the second component. Further, if the head is moved within the imaging interval of the imaging unit, tact loss due to the movement of the head does not occur.
- a structure is simple and it can recognize the attitude
- the first irradiation unit is an impermeable member that regulates transmission of light irradiated from the first irradiation unit between the first irradiation unit and the imaging unit.
- a non-reflective member that regulates the reflection of the light emitted toward.
- the component mounting apparatus is an impermeable member that regulates transmission of light emitted from the first irradiation unit between the first irradiation unit and the imaging unit, and is directed to the first irradiation unit.
- a non-reflective member that regulates the reflection of the light irradiated toward is provided. That is, the member can prevent light from the first irradiation unit from directly entering the imaging unit, and can prevent light from being reflected by the first irradiation unit and entering the imaging unit.
- the imaging movement control further includes: a component supply unit in which components are arranged and supplies the component to the head; and an imaging movement control unit that moves the imaging unit along the component supply unit.
- the unit moves the imaging unit so that the imaging unit approaches a position where the head sucks or sucks a component from the component supply unit.
- the component mounting apparatus moves the imaging unit so that the imaging unit approaches the position where the head attracts or attracts the component from the component supply unit. Accordingly, the component mounting apparatus can cause the imaging unit to image the component adsorbed on the head by moving the head above the imaging unit in a short time after the head adsorbs the component from the component supply unit. For this reason, the configuration is simple, and the posture of the component can be recognized while suppressing tact loss.
- the head after the head has mounted the component on the substrate, the head can be moved above the imaging unit in the middle of moving to suck the component, and the imaging unit can image the suction state of the component on the head.
- a head according to the present invention is provided in a component mounting apparatus that images a first component and a second component with an imaging unit and mounts the first component and a second component on the substrate, and holds the first component.
- a head having a first nozzle and a second nozzle for holding the second part, the head being disposed between the first nozzle and the second nozzle, and a side surface of the first part and the second part.
- the first irradiation unit that irradiates light toward the side surface and the first irradiation unit are arranged on the side of the first nozzle so as to sandwich the first nozzle, and the light irradiated by the first irradiation unit
- the first irradiator is disposed on the side of the second nozzle so as to sandwich the second nozzle between the first reflector that reflects toward the imaging unit in the first region and the first irradiator.
- a second reflecting part for reflecting the light irradiated by the second area toward the imaging part. That.
- the head irradiates light from the first irradiation unit toward the side surface of the first component and the side surface of the second component, and the first region of the first reflection unit or the second region of the second reflection unit. Then, the light is reflected toward the imaging unit.
- the side surface of a 1st component or the side surface of a 2nd component can be imaged by imaging the said 1st area
- a component posture recognition method includes a head having a first nozzle that holds a first component and a second nozzle that holds a second component, and the first component.
- a component mounting apparatus comprising an imaging unit that images the second component is a component orientation recognition method for recognizing the orientation of the first component and the second component, wherein the first nozzle and the second nozzle By irradiating light toward the side surface of the first component to the first irradiation unit arranged between the first nozzle and the side of the first nozzle so as to sandwich the first nozzle with the first irradiation unit
- the first imaging control step and causing the first irradiation unit to irradiate light toward the side surface of the second component, so that the second nozzle is sandwiched between the first irradiation unit and the second nozzle.
- the imaging part captures the first region or the second region, thereby imaging the side surface of the first component or the side surface of the second component.
- the component orientation recognition method it is possible to recognize the orientation of the component while suppressing tact loss using a component mounting apparatus with a simple configuration.
- the component posture recognition method further includes a first head movement control step of moving the head so that the first region is arranged above the imaging unit, and the first irradiation control.
- the first irradiation unit irradiates light toward the first region
- the second irradiation irradiates light toward a third region including a lower surface of the first component or a lower surface of the second component. Maintaining the state where the light irradiation is stopped on the part or stopping the light irradiation, and further, the component posture recognition method is configured so that the third region is arranged above the imaging unit.
- the second irradiation includes: a third imaging control step for imaging the third region; and a third head movement control step for moving the head so that the second region is disposed above the imaging unit.
- the first irradiation unit is irradiated with light toward the second region, and the second irradiation unit is stopped from irradiating light.
- the head is moved so that the first region is disposed above the imaging unit, the first irradiation unit is irradiated with light toward the first region, and the second irradiation unit is irradiated with light.
- the imaging unit images the first region.
- the head is moved so that the third region is arranged above the imaging unit, the second irradiation unit is irradiated with light toward the third region, and the first irradiation unit is stopped from emitting light,
- the imaging unit is caused to image the third region.
- the head is moved so that the second region is disposed above the imaging unit, the first irradiation unit is irradiated with light toward the second region, and the second irradiation unit is stopped from emitting light,
- the imaging unit is caused to image the second region. That is, the head is moved to sequentially capture the side surface of the first component, the lower surface of the first component, the lower surface of the second component, and the side surface of the second component.
- the imaging accuracy can be improved by sequentially imaging the side surfaces and the lower surface of the first component and the second component.
- position recognition method the attitude
- the present invention can be implemented not only as such a component orientation recognition method, but also as a program or an integrated circuit that causes a computer to execute characteristic processing included in the component orientation recognition method. it can. Needless to say, such a program can be distributed via a recording medium such as a CD-ROM and a transmission medium such as the Internet.
- FIG. 1 is an external view showing a configuration of a component mounting apparatus according to an embodiment of the present invention.
- FIG. 2 is a plan view showing a main configuration inside the component mounting apparatus according to the embodiment of the present invention.
- FIG. 3 is a diagram illustrating a configuration of the head and the imaging apparatus according to the embodiment of the present invention.
- FIG. 4 is a diagram showing a detailed configuration of the head according to the embodiment of the present invention.
- FIG. 5 is a block diagram illustrating a functional configuration of the control device according to the embodiment of the present invention.
- FIG. 6 is a flowchart illustrating a process in which the control device according to the embodiment of the present invention recognizes the orientation of a component.
- FIG. 7 is a diagram for explaining processing of moving the imaging unit by the imaging movement control unit according to the embodiment of the present invention.
- FIG. 8A is a diagram for explaining processing of moving the head so that the head movement control unit according to the embodiment of the present invention places the first region above the imaging unit.
- FIG. 8B is a diagram for explaining processing of moving the head so that the head movement control unit according to the embodiment of the present invention places the first region above the imaging unit.
- FIG. 9A is a diagram for describing processing of moving the head so that the head movement control unit according to the embodiment of the present invention places the third region above the imaging unit.
- FIG. 9B is a diagram for describing processing of moving the head so that the head movement control unit according to the embodiment of the present invention places the third region above the imaging unit.
- FIG. 9A is a diagram for describing processing of moving the head so that the head movement control unit according to the embodiment of the present invention places the third region above the imaging unit.
- FIG. 9B is a diagram for describing processing of moving
- FIG. 10A is a diagram for explaining processing of moving the head so that the head movement control unit according to the embodiment of the present invention places the second region above the imaging unit.
- FIG. 10B is a diagram for explaining processing of moving the head so that the head movement control unit according to the embodiment of the present invention arranges the second region above the imaging unit.
- FIG. 1 is an external view showing a configuration of a component mounting apparatus 10 according to an embodiment of the present invention.
- FIG. 2 is a plan view showing a main configuration inside the component mounting apparatus 10 according to the embodiment of the present invention.
- the component mounting apparatus 10 is a device that mounts components on a substrate 30 to produce a mounting substrate, and includes a control device 20 (not shown) therein.
- the control device 20 is a computer that controls the operation of the component mounting apparatus 10. Detailed description of the control device 20 will be described later. Note that the control device 20 may not be provided inside the component mounting apparatus 10, and may be a computer such as a personal computer arranged outside the component mounting apparatus 10.
- the component mounting apparatus 10 includes two mounting units for mounting components on the board 30.
- the two mounting units cooperate with each other to perform mounting work on, for example, one board 30.
- the mounting unit includes a head 100, an imaging device 200, and a component supply unit 300.
- the component supply unit 300 includes an array of a plurality of component cassettes 310 that store component tapes.
- the component tape is, for example, a plurality of components of the same component type arranged evenly on a tape (carrier tape) and supplied in a state of being wound around a reel or the like.
- the parts arranged on the part tape are, for example, BGA and chip parts.
- the head 100 includes a plurality of nozzles.
- the component tape accommodated in the component cassette 310 is adsorbed by the nozzle, the adsorbed component is conveyed onto the substrate 30, and the component is mounted on the substrate 30. .
- the detailed description of the nozzle will be described later.
- a direction approaching the substrate 30 located at the center in the Y-axis direction from the component supply unit 300 side is a Y-axis minus direction.
- the imaging apparatus 200 is an apparatus that captures an image of a component held by the head 100 from below, and is used to recognize the component. Specifically, the imaging apparatus 200 images a component sucked by the nozzle of the head 100 and inspects the suction state of the component two-dimensionally or three-dimensionally. A detailed description of the imaging device 200 will be described later.
- FIG. 3 is a diagram showing the configuration of the head 100 and the imaging device 200 according to the embodiment of the present invention.
- FIG. 4 is a diagram showing a detailed configuration of the head 100 according to the embodiment of the present invention. Specifically, this figure is a view of the head 100 shown in FIG. 3 as viewed from below (Z-axis minus side).
- the head 100 includes a first nozzle 110, a second nozzle 120, a first irradiation unit 130, a prevention plate 131, a first reflection unit 140, and a second reflection unit 150.
- the imaging apparatus 200 includes an imaging unit 210 and a second irradiation unit 220.
- the first nozzle 110 is a nozzle for holding the first component 41.
- the first nozzle 110 is a nozzle that holds the first component 41 by vacuum suction.
- the first nozzle 110 is a nozzle arranged on the Y-axis minus side in the figure with respect to the first irradiation unit 130, and in the present embodiment, as shown in FIG. 110 is composed of four nozzles arranged in the X-axis direction.
- the first component 41 held by the first nozzle 110 may be a different type of component for each nozzle, or may be the same type of component. Further, the number of nozzles is not limited to four.
- the second nozzle 120 is a nozzle for holding the second component 42.
- the second nozzle 120 is a nozzle that holds the second component 42 by vacuum suction.
- the second nozzle 120 is a nozzle arranged on the Y axis plus side in the figure with respect to the first irradiation unit 130, and in the present embodiment, as shown in FIG. 120 is composed of four nozzles arranged corresponding to the first nozzles 110 in the X-axis direction.
- the second component 42 held by the second nozzle 120 may be a different type of component for each nozzle, or may be the same type of component. Further, the number of nozzles is not limited to four.
- the first irradiation unit 130 is disposed between the first nozzle 110 and the second nozzle 120 and irradiates light toward the side surface of the first component 41 and the side surface of the second component 42. That is, the first irradiation unit 130 is illumination that emits light in both the Y-axis minus direction and the Y-axis plus direction. In addition, the 1st irradiation part 130 should just irradiate light toward the side surface of the 1st component 41, and the side surface of the 2nd component 42, and does not need to light-emit itself.
- the prevention plate 131 is a plate-like member disposed between the first irradiation unit 130 and the imaging unit 210. Specifically, the prevention plate 131 is an impermeable member that restricts transmission of light emitted from the first irradiation unit 130, and restricts reflection of light emitted toward the first irradiation unit 130. It is a non-reflective member.
- the prevention plate 131 is an impermeable member in order to prevent the light emitted from the first irradiation unit 130 from entering the imaging unit 210.
- the prevention plate 131 is a non-reflective member in order to prevent light from the second irradiation unit 220 and the like from being reflected by the first irradiation unit 130 and entering the imaging unit 210.
- the shape of the prevention plate 131 is not limited to a plate shape.
- the first reflection unit 140 is a mirror disposed on the side of the first nozzle 110 so as to sandwich the first nozzle 110 with the first irradiation unit 130. In addition, the first reflection unit 140 reflects the light emitted by the first irradiation unit 130 toward the imaging unit 210 in the first region.
- the first reflection unit 140 is disposed obliquely downward on the Y axis minus side of the first nozzle 110, and the light irradiated by the first irradiation unit 130 is lower in the first region. Reflects toward (Z-axis minus direction).
- region is an area
- the second reflection unit 150 is a mirror disposed on the side of the second nozzle 120 so as to sandwich the second nozzle 120 with the first irradiation unit 130. In addition, the second reflecting unit 150 reflects the light irradiated by the first irradiation unit 130 toward the imaging unit 210 in the second region.
- the second reflection unit 150 is disposed obliquely downward on the Y axis plus side of the second nozzle 120, and the light irradiated by the first irradiation unit 130 is lower in the second region. Reflects toward (Z-axis minus direction).
- the second region is a region in a surface (a surface facing obliquely downward) of the second reflecting unit 150 facing the first irradiation unit 130.
- the imaging unit 210 is a camera that images the first component 41 and the second component 42.
- the imaging unit 210 is an area camera that can capture a predetermined rectangular area such as a stroboscopic shutter camera.
- the imaging unit 210 may be a camera of another form such as a line camera that can capture a linear region.
- the imaging unit 210 images the lower surface of the first component 41 and the lower surface of the second component 42 from below the head 100 (Z-axis minus side). Further, the imaging unit 210 images the side surface of the first component 41 or the side surface of the second component 42 by imaging the first region of the first reflecting unit 140 or the second region of the second reflecting unit 150.
- the second irradiation unit 220 irradiates light toward the third region including the lower surface of the first component 41 or the lower surface of the second component 42.
- the second irradiation unit 220 has two lights arranged obliquely below the first part 41 and the second part 42, and one of the lights emits light toward the lower surface of the first part 41.
- the other illumination irradiates light toward the lower surface of the second component 42.
- the 2nd irradiation part 220 should just be able to irradiate light toward a 3rd area
- control device 20 included in the component mounting apparatus 10 will be described in detail.
- FIG. 5 is a block diagram showing a functional configuration of the control device 20 according to the embodiment of the present invention.
- the control device 20 is a device that performs control for recognizing the posture of the component held by the head 100. As shown in the figure, the control device 20 includes an irradiation control unit 21, an imaging control unit 22, an imaging movement control unit 23, and a head movement control unit 24.
- the head movement control unit 24 is a processing unit that moves the head 100. Specifically, the head movement control unit 24 moves the head 100 so that the first region is disposed above the image capturing unit 210, and the third region is disposed above the image capturing unit 210. The head 100 is moved, and the head 100 is moved so that the second region is disposed above the imaging unit 210.
- the irradiation control unit 21 is a processing unit that irradiates the first irradiation unit 130 and the second irradiation unit 220 with light or stops the light irradiation. Specifically, the irradiation control unit 21 causes the first irradiation unit 130 to emit light and the second irradiation unit 220 to emit light when the imaging unit 210 images the first region or the second region. The stopped state is maintained, or light irradiation is stopped.
- the irradiation control unit 21 sets the first irradiation unit 130 to the first irradiation unit 130.
- Light is irradiated toward the region, and the second irradiation unit 220 is maintained in a state where light irradiation is stopped, or light irradiation is stopped. That is, the irradiation control unit 21 irradiates the first irradiation unit 130 with the first irradiation unit 130 in the first region of the first reflection unit 140 by irradiating the light toward the side surface of the first component 41. Light is reflected toward the imaging unit 210.
- the irradiation control unit 21 directs the first irradiation unit 130 toward the second region. Then, the second irradiation unit 220 stops the light irradiation. That is, the irradiation control unit 21 causes the first irradiation unit 130 to irradiate light in the second region of the second reflecting unit 150 by causing the first irradiation unit 130 to emit light toward the side surface of the second component 42. Light is reflected toward the imaging unit 210.
- the irradiation control unit 21 causes the second irradiation unit 220 to emit light and causes the first irradiation unit 130 to stop emitting light when the imaging unit 210 images the third region. Specifically, when the head movement control unit 24 moves the head 100 so that the third region is disposed above the imaging unit 210, the irradiation control unit 21 causes the second irradiation unit 220 to perform the third operation. Light is emitted toward the region and the first irradiation unit 130 stops the light irradiation.
- the imaging control unit 22 is a processing unit that causes the imaging unit 210 to capture an image. That is, the imaging control unit 22 causes the imaging unit 210 to image the first region of the first reflection unit 140, thereby imaging the side surface of the first component 41. In addition, the imaging control unit 22 causes the imaging unit 210 to capture an image of the side surface of the second component 42 by imaging the second region of the second reflecting unit 150.
- the head movement control unit 24 moves the head 100 so that the first region is arranged above the imaging unit 210, and the irradiation control unit 21 directs the first irradiation unit 130 toward the first region.
- the imaging control unit 22 captures the first region in the imaging unit 210.
- the head movement control unit 24 moves the head 100 so that the third region is disposed above the imaging unit 210, and the irradiation control unit 21 emits light toward the second region to the second irradiation unit 220.
- the imaging control unit 22 causes the imaging unit 210 to image the third region.
- the head movement control unit 24 moves the head 100 so that the second region is disposed above the imaging unit 210, and the irradiation control unit 21 directs the light to the first irradiation unit 130 toward the second region.
- the imaging control unit 22 causes the imaging unit 210 to image the second region.
- the imaging movement control unit 23 is a processing unit that moves the imaging unit 210 along the component supply unit 300. Specifically, the imaging movement control unit 23 moves the imaging unit 210 so that the imaging unit 210 approaches a position where the head 100 sucks or sucks a component from the component supply unit 300.
- FIG. 6 is a flowchart showing a process in which the control device 20 according to the embodiment of the present invention recognizes the posture of the component.
- the imaging movement control unit 23 moves the imaging unit 210 along the component supply unit 300 (S ⁇ b> 102).
- FIG. 7 is a diagram for explaining a process in which the imaging movement control unit 23 according to the embodiment of the present invention moves the imaging unit 210.
- a direction approaching the substrate 30 located at the center in the Y-axis direction from the component supply unit 300 side is a Y-axis minus direction.
- the imaging movement control unit 23 takes an image so that the imaging unit 210 approaches the sucked position (position A in the figure).
- the apparatus 200 is moved.
- the image pickup unit 210 approaches the picking position (position B in the figure). As described above, the imaging apparatus 200 is moved.
- the head movement control unit 24 moves the head 100 so that the first region is arranged above the imaging unit 210 (S104).
- FIG. 8A and FIG. 8B are diagrams for explaining a process in which the head movement control unit 24 according to the embodiment of the present invention moves the head 100 so that the first region is arranged above the imaging unit 210. .
- the head movement control unit 24 moves the head 100 at least from the Y axis plus side, which is the component supply unit 300 side, toward the Y axis minus direction on the substrate 30 side, and above the imaging unit 210.
- the first region of the first reflection unit 140 is disposed in
- the head 100 may be moved horizontally (XY movement) and moved above the image pickup unit 210.
- the irradiation control unit 21 causes the first irradiation unit 130 to emit light toward the first region (S106). Further, in this case, the irradiation control unit 21 causes the second irradiation unit 220 to maintain a state where light irradiation is stopped or stop light irradiation.
- the irradiation control unit 21 causes the first irradiation unit 130 to irradiate light toward the side surface of the first component 41, so that the first reflection unit 140 has the first region.
- the light emitted from one irradiation unit 130 is reflected toward the imaging unit 210.
- the irradiation control unit 21 causes the second irradiation unit 220 to maintain the stopped state if the light irradiation is stopped, Further, if light is irradiated, the light irradiation is stopped.
- the imaging control unit 22 causes the imaging unit 210 to image the first region of the first component 41 by imaging the first region of the first reflection unit 140 (S ⁇ b> 108).
- the imaging control unit 22 causes the imaging unit 210 to image the first region, thereby capturing an image of the side surface of the first component 41 as illustrated in FIG. 8B.
- the imaging control unit 22 may cause the imaging unit 210 to simultaneously capture the images of the side surfaces of the plurality of first components 41 (four components in the present embodiment) held by the plurality of first nozzles 110.
- the imaging unit 210 may be caused to capture images of the side surfaces of some of the first components 41.
- the head movement control unit 24 moves the head 100 so that the third region is arranged above the imaging unit 210 (S110).
- FIG. 9A and FIG. 9B are diagrams for explaining a process in which the head movement control unit 24 according to the embodiment of the present invention moves the head 100 so that the third region is arranged above the imaging unit 210. .
- the head movement control unit 24 further directs the head 100 in the Y-axis minus direction, with the direction approaching the substrate 30 located at the center in the Y-axis direction from the component supply unit 300 side as the Y-axis minus direction.
- the third region including the lower surface of the first component 41 and the lower surface of the second component 42 is disposed above the imaging unit 210.
- the irradiation control unit 21 causes the second irradiation unit 220 to irradiate light toward the third region (S112). In this case, the irradiation control unit 21 causes the first irradiation unit 130 to stop the light irradiation.
- the irradiation control unit 21 causes the second irradiation unit 220 to irradiate light toward the lower surface of the first component 41 and the lower surface of the second component 42. Light reflected from the lower surface and the lower surface of the second component 42 enters the imaging unit 210. Further, the irradiation control unit 21 causes the first irradiation unit 130 to stop the light irradiation so that the light from the first irradiation unit 130 does not enter the imaging unit 210.
- the imaging control unit 22 causes the imaging unit 210 to image the third region, thereby imaging the lower surface of the first component 41 and the lower surface of the second component 42 (S114).
- the imaging control unit 22 causes the imaging unit 210 to image the third region, so that images of the lower surface of the first component 41 and the lower surface of the second component 42 as illustrated in FIG. 9B are captured.
- the imaging control unit 22 includes a plurality of first parts 41 (four parts in the present embodiment) held by the plurality of first nozzles 110 and a plurality of second parts 120 held by the plurality of second nozzles 120.
- An image of the lower surface of the second component 42 (four components in the present embodiment) may be simultaneously captured by the imaging unit 210, or a part of the plurality of first components 41 and second components 42.
- the first part 41 and the second part 42 may be imaged by the imaging unit 210.
- the head movement control unit 24 moves the head 100 so that the second region is arranged above the imaging unit 210 (S116).
- FIG. 10A and FIG. 10B are diagrams for explaining a process in which the head movement control unit 24 according to the embodiment of the present invention moves the head 100 so that the second region is arranged above the imaging unit 210. .
- the head movement control unit 24 further moves the head 100 in the Y-axis minus direction that is the direction of the substrate 30, and above the imaging unit 210, the second region of the second reflecting unit 150. Arrange.
- the irradiation control unit 21 causes the first irradiation unit 130 to emit light toward the second region (S118). In this case, the irradiation control unit 21 causes the second irradiation unit 220 to stop the light irradiation.
- the irradiation control unit 21 causes the first irradiation unit 130 to irradiate light toward the side surface of the second component 42, so The light emitted from one irradiation unit 130 is reflected toward the imaging unit 210. Further, the irradiation control unit 21 causes the second irradiation unit 220 to stop the light irradiation so that the light from the second irradiation unit 220 does not enter the imaging unit 210.
- the imaging control unit 22 causes the imaging unit 210 to image the second region of the second reflection unit 150, thereby imaging the side surface of the second component 42 (S ⁇ b> 120).
- the imaging control unit 22 causes the imaging unit 210 to image the second region, thereby capturing an image of the side surface of the second component 42 as illustrated in FIG. 10B.
- the imaging control unit 22 may cause the imaging unit 210 to simultaneously capture the images of the side surfaces of the plurality of second parts 42 (four parts in the present embodiment) held by the plurality of second nozzles 120.
- the imaging unit 210 may be caused to capture images of the side surfaces of some of the second parts 42.
- the first irradiation unit 130 irradiates light toward the side surface of the first component 41 and the side surface of the second component 42, and By reflecting the light in the first region of the one reflection unit 140 or the second region of the second reflection unit 150 and imaging the first region or the second region by the imaging unit 210, the side surface of the first component 41 or The side surface of the second part 42 is imaged. Thereby, since the side surface of the 1st component 41 or the 2nd component 42 can be imaged from the downward direction using the 1st irradiation part 130, the 1st reflection part 140, or the 2nd reflection part 150, it images on the head 100. There is no need to provide the portion 210.
- a structure is simple and the attitude
- the component mounting apparatus 10 causes the first irradiation unit 130 to emit light and causes the second irradiation unit 220 to stop emitting light.
- the side surface of the first component 41 or the side surface of the second component 42 is imaged in the state or stopped.
- the imaging unit 210 images the third region, the second irradiation unit 220 is irradiated with light, and the first irradiation unit 130 is stopped from irradiating light, so that the lower surface of the first component 41 or the second region is irradiated.
- the lower surface of the component 42 is imaged.
- the side surface of the component can be imaged using the imaging unit 210 provided for imaging the lower surface of the component. Further, by properly using the irradiation unit necessary for imaging, it is possible to image the side surface and the lower surface of the component with one imaging unit 210. For this reason, according to the component mounting apparatus 10, a structure is simple and the attitude
- the component mounting apparatus 10 moves the head 100 so that the first region is arranged above the imaging unit 210
- the component mounting apparatus 10 causes the first irradiation unit 130 to emit light toward the first region and With the second irradiation unit 220 stopped or stopped, the imaging unit 210 images the first region.
- the component mounting apparatus 10 moves the head 100 so that the third region is arranged above the imaging unit 210
- the component mounting apparatus 10 causes the second irradiation unit 220 to irradiate light toward the third region and The one irradiation unit 130 stops the light irradiation, and the imaging unit 210 images the third region.
- the component mounting apparatus 10 moves the head 100 so that the second region is arranged above the imaging unit 210
- the component mounting apparatus 10 causes the first irradiation unit 130 to irradiate light toward the second region and the first region.
- the second irradiation unit 220 stops the light irradiation, and the imaging unit 210 images the second region. That is, the component mounting apparatus 10 moves the head 100 and sequentially images the side surface of the first component 41, the lower surface of the first component 41, the lower surface of the second component 42, and the side surface of the second component 42.
- the imaging accuracy can be improved by sequentially imaging the side surfaces and the lower surface of the first component 41 and the second component 42.
- the head 100 is moved within the imaging interval of the imaging unit 210, tact loss due to the movement of the head 100 does not occur.
- the structure is simple and the posture of the component can be accurately recognized while suppressing the tact loss.
- the component mounting apparatus 10 is an impermeable member that regulates transmission of light emitted from the first irradiation unit 130 between the first irradiation unit 130 and the imaging unit 210, and includes a first irradiation unit.
- the prevention board 131 which is a non-reflective member which controls reflection of the light irradiated toward 130 is provided. That is, the prevention plate 131 prevents light from the first irradiation unit 130 from directly entering the imaging unit 210 and prevents light from being reflected by the first irradiation unit 130 and entering the imaging unit 210. be able to.
- the component mounting apparatus 10 since the component can be accurately imaged by the imaging unit 210, the configuration is simple, and the posture of the component can be accurately recognized while suppressing tact loss.
- the component mounting apparatus 10 moves the imaging unit 210 so that the imaging unit 210 approaches a position where the head 100 sucks or sucks a component from the component supply unit 300. Thereby, the component mounting apparatus 10 moves the head 100 above the imaging unit 210 in a short time after the head 100 sucks the component from the component supply unit 300, and the component sucked by the head 100 to the imaging unit 210. Can be imaged. For this reason, the configuration is simple, and the posture of the component can be recognized while suppressing tact loss.
- the head 100 is moved above the imaging unit 210 in the middle of moving to suck the component, and the imaging unit 210 changes the suction state of the component to the head 100.
- An image can be taken.
- the head 100 mounts a component on the substrate 30, solder or the like may adhere to the tip of the nozzle, so that the nozzle may be erroneously recognized as adsorbing the component.
- the erroneous recognition can be prevented by imaging the adsorption state. Therefore, the configuration is simple, and erroneous recognition of components can be prevented while suppressing tact loss.
- the head 100 According to the embodiment of the present invention, light is emitted from the first irradiation unit 130 toward the side surface of the first component 41 and the side surface of the second component 42, and the first reflection unit 140. The light is reflected toward the imaging unit 210 in the first region or the second region of the second reflecting unit 150.
- the imaging unit 210 can image the side surface of the first component 41 or the side surface of the second component 42 by imaging the first region or the second region, and thus the imaging unit 210 is provided in the head 100. There is no need. Further, it is not necessary to move the nozzle up and down during imaging of the side surface of the first component 41 or the second component 42. For this reason, by using the head 100, it is possible to realize the component mounting apparatus 10 that has a simple configuration and can recognize the posture of the component while suppressing tact loss.
- position recognition method concerning embodiment of this invention light is irradiated toward the side surface of the 1st component 41 and the side surface of the 2nd component 42 from the 1st irradiation part 130, and the 1st reflection part
- the side surface of the first component 41 or the second component is obtained by reflecting the light in the first region 140 or the second region of the second reflecting unit 150 and imaging the first region or the second region with the imaging unit 210. 42 side surfaces are imaged.
- the side surface of the 1st component 41 or the 2nd component 42 can be imaged from the downward direction using the 1st irradiation part 130, the 1st reflection part 140, or the 2nd reflection part 150, it images on the head 100.
- the component posture recognition method the component posture can be recognized while suppressing tact loss using the component mounting apparatus 10 having a simple configuration.
- the present invention can be implemented not only as such a component orientation recognition method, but also as a program or an integrated circuit that causes a computer to execute characteristic processing included in the component orientation recognition method. it can. Needless to say, such a program can be distributed via a recording medium such as a CD-ROM and a transmission medium such as the Internet.
- the component mounting apparatus 10 according to the embodiment of the present invention has been described above, but the present invention is not limited to this embodiment.
- the present invention can be used for a component mounting apparatus that has a simple configuration and can recognize the posture of a component while suppressing tact loss.
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Abstract
Description
20 制御装置
21 照射制御部
22 撮像制御部
23 撮像移動制御部
24 ヘッド移動制御部
30 基板
41 第一部品
42 第二部品
100 ヘッド
110 第一ノズル
120 第二ノズル
130 第一照射部
131 防止板
140 第一反射部
150 第二反射部
200 撮像装置
210 撮像部
220 第二照射部
300 部品供給部
310 部品カセット
Claims (8)
- 第一部品を保持する第一ノズルと第二部品を保持する第二ノズルとを有するヘッドと、前記第一部品と前記第二部品とを撮像する撮像部とを備え、前記第一部品と前記第二部品とを基板に実装する部品実装装置であって、
前記ヘッドは、
前記第一ノズルと前記第二ノズルとの間に配置され、前記第一部品の側面及び前記第二部品の側面に向けて光を照射する第一照射部と、
前記第一照射部とで前記第一ノズルを挟むように前記第一ノズルの側方に配置され、前記第一照射部が照射した光を、第一領域で前記撮像部に向けて反射させる第一反射部と、
前記第一照射部とで前記第二ノズルを挟むように前記第二ノズルの側方に配置され、前記第一照射部が照射した光を、第二領域で前記撮像部に向けて反射させる第二反射部とを備え、
前記撮像部は、前記第一反射部の前記第一領域または前記第二反射部の前記第二領域を撮像することで、前記第一部品の側面または前記第二部品の側面を撮像する
部品実装装置。 - さらに、
前記第一部品の下面または前記第二部品の下面を含む第三領域に向けて光を照射する第二照射部と、
前記第一照射部及び前記第二照射部に光を照射させる、または当該光の照射を停止させる照射制御部とを備え、
前記照射制御部は、
前記撮像部が前記第一領域または前記第二領域を撮像する場合に、前記第一照射部に光を照射させるとともに、前記第二照射部に光の照射を停止させ、
前記撮像部が前記第三領域を撮像する場合に、前記第二照射部に光を照射させるとともに、前記第一照射部に光の照射を停止させる
請求項1に記載の部品実装装置。 - さらに、
前記ヘッドを移動させるヘッド移動制御部と、
前記撮像部に画像を撮像させる撮像制御部とを備え、
前記ヘッド移動制御部が、前記撮像部の上方に前記第一領域が配置されるように前記ヘッドを移動させた場合に、前記照射制御部は、前記第一照射部に前記第一領域に向けて光を照射させるとともに前記第二照射部に光の照射を停止させた状態を維持させ、あるいは光の照射を停止させ、前記撮像制御部は、前記撮像部に前記第一領域を撮像させ、
前記ヘッド移動制御部が、前記撮像部の上方に前記第三領域が配置されるように前記ヘッドを移動させた場合に、前記照射制御部は、前記第二照射部に前記第三領域に向けて光を照射させるとともに前記第一照射部に光の照射を停止させ、前記撮像制御部は、前記撮像部に前記第三領域を撮像させ、
前記ヘッド移動制御部が、前記撮像部の上方に前記第二領域が配置されるように前記ヘッドを移動させた場合に、前記照射制御部は、前記第一照射部に前記第二領域に向けて光を照射させるとともに前記第二照射部に光の照射を停止させ、前記撮像制御部は、前記撮像部に前記第二領域を撮像させる
請求項2に記載の部品実装装置。 - さらに、
前記第一照射部と前記撮像部との間に、前記第一照射部から照射される光の透過を規制する不透過性の部材であって、前記第一照射部へ向けて照射された光の反射を規制する非反射性の部材を備える
請求項1~3のいずれか1項に記載の部品実装装置。 - さらに、
部品が配置され、当該部品を前記ヘッドに供給する部品供給部と、
前記部品供給部に沿って前記撮像部を移動させる撮像移動制御部とを備え、
前記撮像移動制御部は、前記ヘッドが前記部品供給部から部品を吸着した位置または吸着する位置に前記撮像部が近づくように、前記撮像部を移動させる
請求項1~3のいずれか1項に記載の部品実装装置。 - 第一部品と第二部品とを撮像部で撮像して基板に実装する部品実装装置に備えられ、前記第一部品を保持する第一ノズルと前記第二部品を保持する第二ノズルとを有するヘッドであって、
前記第一ノズルと前記第二ノズルとの間に配置され、前記第一部品の側面及び前記第二部品の側面に向けて光を照射する第一照射部と、
前記第一照射部とで前記第一ノズルを挟むように前記第一ノズルの側方に配置され、前記第一照射部が照射した光を、第一領域で前記撮像部に向けて反射させる第一反射部と、
前記第一照射部とで前記第二ノズルを挟むように前記第二ノズルの側方に配置され、前記第一照射部が照射した光を、第二領域で前記撮像部に向けて反射させる第二反射部と
を備えるヘッド。 - 第一部品を保持する第一ノズルと第二部品を保持する第二ノズルとを有するヘッドと、前記第一部品と前記第二部品とを撮像する撮像部とを備える部品実装装置が、前記第一部品及び前記第二部品の姿勢を認識する部品姿勢認識方法であって、
前記第一ノズルと前記第二ノズルとの間に配置された第一照射部に、前記第一部品の側面に向けて光を照射させることで、前記第一照射部とで前記第一ノズルを挟むように前記第一ノズルの側方に配置された第一反射部の第一領域で、前記第一照射部が照射した光を前記撮像部に向けて反射させる第一照射制御ステップと、
前記撮像部に、前記第一反射部の前記第一領域を撮像させることで、前記第一部品の側面を撮像させる第一撮像制御ステップと、
前記第一照射部に、前記第二部品の側面に向けて光を照射させることで、前記第一照射部とで前記第二ノズルを挟むように前記第二ノズルの側方に配置された第二反射部の第二領域で、前記第一照射部が照射した光を前記撮像部に向けて反射させる第二照射制御ステップと、
前記撮像部に、前記第二反射部の前記第二領域を撮像させることで、前記第二部品の側面を撮像させる第二撮像制御ステップと
を含む部品姿勢認識方法。 - さらに、前記部品姿勢認識方法は、
前記撮像部の上方に前記第一領域が配置されるように、前記ヘッドを移動させる第一ヘッド移動制御ステップを含み、
前記第一照射制御ステップでは、前記第一照射部に前記第一領域に向けて光を照射させるとともに、前記第一部品の下面または前記第二部品の下面を含む第三領域に向けて光を照射する第二照射部に光の照射を停止させた状態を維持させ、あるいは光の照射を停止させ、
さらに、前記部品姿勢認識方法は、
前記第三領域が前記撮像部の上方に配置されるように、前記ヘッドを移動させる第二ヘッド移動制御ステップと、
前記第二照射部に前記第三領域に向けて光を照射させるとともに、前記第一照射部に光の照射を停止させる第三照射制御ステップと、
前記撮像部に前記第三領域を撮像させる第三撮像制御ステップと、
前記撮像部の上方に前記第二領域が配置されるように、前記ヘッドを移動させる第三ヘッド移動制御ステップとを含み、
前記第二照射制御ステップでは、前記第一照射部に前記第二領域に向けて光を照射させるとともに、前記第二照射部に光の照射を停止させる
請求項7に記載の部品姿勢認識方法。
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US13/817,943 US20140002633A1 (en) | 2011-08-29 | 2012-05-11 | Component mounter, head, and component posture recognition method |
CN2012800022546A CN103098580A (zh) | 2011-08-29 | 2012-05-11 | 部件安装装置、工作头及部件姿态识别方法 |
KR1020137002834A KR20140071265A (ko) | 2011-08-29 | 2012-05-11 | 부품 실장 장치, 헤드 및 부품 자세 인식 방법 |
JP2012532182A JP5090583B1 (ja) | 2011-08-29 | 2012-05-11 | 部品実装装置、ヘッド及び部品姿勢認識方法 |
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JP2004146661A (ja) * | 2002-10-25 | 2004-05-20 | Hitachi High-Tech Instruments Co Ltd | 電子部品装着装置 |
JP2004172465A (ja) * | 2002-11-21 | 2004-06-17 | Fuji Mach Mfg Co Ltd | 電子回路部品像取得装置および方法 |
JP2005064048A (ja) * | 2003-08-14 | 2005-03-10 | Juki Corp | 電子部品実装装置 |
JP2006040921A (ja) * | 2004-07-22 | 2006-02-09 | Yamagata Casio Co Ltd | 部品搭載装置 |
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