WO2022009336A1 - 部品供給方法、および部品供給装置 - Google Patents
部品供給方法、および部品供給装置 Download PDFInfo
- Publication number
- WO2022009336A1 WO2022009336A1 PCT/JP2020/026706 JP2020026706W WO2022009336A1 WO 2022009336 A1 WO2022009336 A1 WO 2022009336A1 JP 2020026706 W JP2020026706 W JP 2020026706W WO 2022009336 A1 WO2022009336 A1 WO 2022009336A1
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- WIPO (PCT)
- Prior art keywords
- parts
- component
- stage
- scattered
- posture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H05K13/02—Feeding of components
- H05K13/022—Feeding of components with orientation of the elements
-
- 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
- H05K13/02—Feeding of components
- H05K13/028—Simultaneously loading a plurality of loose objects, e.g. by means of vibrations, pressure differences, magnetic fields
-
- 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
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/043—Feeding one by one by other means than belts
Definitions
- the present invention relates to a parts supply method for supplying parts scattered on a stage, and a parts supply device.
- the subject of this specification is to appropriately supply the parts on the stage in the parts supply device.
- the present specification is a component supply method for supplying components scattered on a stage, and the positions of the components are based on the imaging data of the components scattered on the stage.
- a storage process for storing position information indicating the position, posture information indicating the posture of the parts, and numerical information indicating the number of parts, and the stage based on the position information and the posture information stored in the storage process.
- a parts supply method including a holding step of holding the parts scattered on the top by a holder.
- the present specification is a parts supply method for supplying parts scattered on a stage, and based on image pickup data of the parts scattered on the stage, position information indicating the position of the parts and position information indicating the position of the parts are used.
- the data is scattered on the stage.
- a determination to determine whether or not to change the parameters when the imaged data is image-processed in the calculation step based on the holding step of holding the parts by the holder and the numerical information calculated in the calculation step.
- a component supply method including a step and a changing step of changing a parameter when image processing of imaging data is performed in the calculation step when it is determined to change the parameter in the determination step.
- parts on the stage can be appropriately supplied by using position information, attitude information, and numerical information.
- FIG. 1 shows the component mounting machine 10.
- the component mounting machine 10 is a device for executing component mounting work on the circuit base material 12.
- the component mounting machine 10 includes an apparatus main body 20, a base material transfer holding device 22, a component mounting device 24, an image pickup device 26, 28, a component supply device 30, a loose component supply device 32, and a control device (see FIG. 11) 34.
- the circuit board 12 include a circuit board, a base material having a three-dimensional structure, and the like, and examples of the circuit board include a printed wiring board and a printed circuit board.
- the apparatus main body 20 is composed of a frame 40 and a beam 42 mounted on the frame 40.
- the base material transfer holding device 22 is arranged in the center of the frame 40 in the front-rear direction, and has a transfer device 50 and a clamp device 52.
- the transport device 50 is a device for transporting the circuit base material 12
- the clamp device 52 is a device for holding the circuit base material 12.
- the base material transfer holding device 22 conveys the circuit base material 12 and holds the circuit base material 12 fixedly at a predetermined position.
- the transport direction of the circuit base material 12 is referred to as the X direction
- the horizontal direction perpendicular to the direction is referred to as the Y direction
- the vertical direction is referred to as the Z direction. That is, the width direction of the component mounting machine 10 is the X direction, and the front-rear direction is the Y direction.
- the component mounting device 24 is arranged on the beam 42, and has two work heads 60 and 62 and a work head moving device 64.
- Each of the work heads 60 and 62 has a suction nozzle (see FIG. 2) 66, and the parts are held by the suction nozzle 66.
- the work head moving device 64 has an X-direction moving device 68, a Y-direction moving device 70, and a Z-direction moving device 72. Then, the two work heads 60 and 62 are integrally moved to an arbitrary position on the frame 40 by the X-direction moving device 68 and the Y-direction moving device 70. Further, as shown in FIG.
- the work heads 60 and 62 are detachably attached to the sliders 74 and 76, and the Z-direction moving device 72 individually moves the sliders 74 and 76 in the vertical direction. That is, the work heads 60 and 62 are individually moved in the vertical direction by the Z-direction moving device 72.
- the image pickup device 26 is attached to the slider 74 in a state of facing downward, and is moved in the X direction, the Y direction, and the Z direction together with the work head 60. As a result, the image pickup apparatus 26 images an arbitrary position on the frame 40. As shown in FIG. 1, the image pickup apparatus 28 is arranged between the substrate transport holding apparatus 22 on the frame 40 and the component supply apparatus 30 in a state of facing upward. As a result, the image pickup apparatus 28 takes an image of the parts held by the suction nozzles 66 of the work heads 60 and 62.
- the parts supply device 30 is arranged at one end of the frame 40 in the front-rear direction.
- the parts supply device 30 includes a tray-type parts supply device 78 and a feeder-type parts supply device (not shown).
- the tray-type parts supply device 78 is a device that supplies parts in a state of being placed on the tray.
- the feeder type parts supply device is a device that supplies parts by a tape feeder (not shown) and a stick feeder (not shown).
- the loose parts supply device 32 is arranged at the other end of the frame 40 in the front-rear direction.
- the loose parts supply device 32 is a device that aligns a plurality of parts that are scattered apart and supplies the parts in the aligned state. That is, it is a device that aligns a plurality of parts in an arbitrary posture in a predetermined posture and supplies the parts in the predetermined posture.
- the configuration of the component supply device 32 will be described in detail below.
- Examples of the parts supplied by the parts supply device 30 and the loose parts supply device 32 include electronic circuit parts, solar cell components, power module components, and the like. Further, electronic circuit parts include parts having leads, parts having no leads, and the like.
- the loose parts supply device 32 includes a main body 80, a parts supply unit 82, an image pickup device 84, and a parts delivery device 86.
- the parts supply unit 82 includes a parts supply device 88, a parts dispersal device (see FIG. 4) 90, and a parts return device (see FIG. 4) 92, and includes the parts supply device 88, the parts dispersal device 90, and the parts return device 92. Is integrally configured.
- the parts supply unit 82 is detachably attached to the base 96 of the main body 80, and in the loose parts supply device 32, five parts supply units 82 are arranged side by side in a row in the X direction.
- the parts feeder 88 generally has a rectangular parallelepiped box shape, and is arranged so as to extend in the Y direction as shown in FIGS. 4 and 5.
- the Y direction is described as the front-rear direction of the component supply device 88, and the direction toward the side where the component return device 92 is arranged in the component supply unit 82 is described as the front direction, and the component supply device 88 is disposed.
- the direction toward the side where it is done is described as backward.
- the parts feeder 88 has openings on the upper surface and the front surface, the opening on the upper surface is a component input port 97, and the opening on the front surface is a component discharge port 98.
- the inclined plate 104 is arranged below the input port 97.
- the inclined plate 104 is arranged so as to incline downward from the rear end surface of the component feeder 88 toward the center.
- a conveyor device 106 is arranged on the front side of the inclined plate 104.
- the conveyor device 106 is arranged so as to incline upward from the front end of the inclined plate 104 toward the front of the component feeder 88.
- the conveyor belt 112 of the conveyor device 106 rotates counterclockwise in FIG. That is, the transport direction by the conveyor device 106 is diagonally upward from the front end portion of the inclined plate 104 toward the front.
- an inclined plate 126 is arranged below the front end portion of the conveyor device 106.
- the inclined plate 126 is arranged from the front end surface of the component feeder 88 toward the lower side of the conveyor device 106, and the rear end portion is inclined diagonally downward.
- the inclined plate 128 is also arranged below the inclined plate 126. The inclined plate 128 is inclined so that the front end thereof is located downward toward the discharge port 98 of the component feeder 88 from below the central portion of the conveyor device 106.
- a pair of side frames 130 are assembled to the base 96.
- the pair of side frames 130 are erected so as to be parallel to each other and extend in the Y direction while facing each other.
- the distance between the pair of side frames 130 is slightly larger than the widthwise dimension of the component feeder 88, and the component feeder 88 is detachably mounted between the pair of side frames 130. Has been done.
- the component scattering device 90 includes a component support member 150 and a component support member moving device 152.
- the component support member 150 is composed of a stage 156 and a pair of side wall portions 158.
- the stage 156 has a generally longitudinal plate shape and is arranged so as to extend forward from below the component feeder 88 mounted between the pair of side frames 130.
- the upper surface of the stage 156 is generally horizontal, and as shown in FIG. 5, it is arranged with a slight clearance from the front end of the inclined plate 128 of the component feeder 88.
- the pair of side wall portions 158 are fixed in a state of being erected on both side portions in the longitudinal direction of the stage 156, and the upper end of each side wall portion 158 is from the upper surface of the stage 156. It extends upward.
- the component support member moving device 152 slides the component support member 150 in the Y direction by the operation of the air cylinder (see FIG. 11) 166. At this time, the component support member 150 moves between a stored state stored under the component feeder 88 (see FIG. 6) and an exposed state exposed from below the component feeder 88 (see FIG. 5). ..
- the parts return device 92 includes a parts storage container 180 and a container swinging device 181.
- the parts storage container 180 is generally box-shaped and has an arcuate bottom surface.
- the component storage container 180 is oscillatedly held at the front end of the stage 156 of the component support member 150, and swings by the operation of the container oscillating device 181.
- the component accommodating container 180 swings between the accommodating posture with the opening facing upward (see FIG. 7) and the returning posture with the opening facing the upper surface of the stage 156 of the component supporting member 150 (see FIG. 8). do.
- the image pickup device 84 includes a camera 290 and a camera moving device 292.
- the camera moving device 292 includes a guide rail 296 and a slider 298.
- the guide rail 296 is fixed to the main body 80 so as to extend in the width direction (X direction) of the loose parts supply device 32 above the parts supply device 88.
- the slider 298 is slidably attached to the guide rail 296, and slides to an arbitrary position by the operation of the electromagnetic motor (see FIG. 11) 299. Further, the camera 290 is attached to the slider 298 in a state of facing downward.
- the parts delivery device 86 includes a parts holding head moving device 300, a parts holding head 302, and two shuttle devices 304.
- the component holding head moving device 300 includes an X-direction moving device 310, a Y-direction moving device 312, and a Z-direction moving device 314.
- the Y-direction moving device 312 has a Y slider 316 arranged above the component supply unit 82 so as to extend in the X direction, and the Y slider 316 is driven by an electromagnetic motor (see FIG. 11) 319. , Move to any position in the Y direction.
- the X-direction moving device 310 has an X-slider 320 arranged on the side surface of the Y-slider 316, and the X-slider 320 is driven by an electromagnetic motor (see FIG. 11) 321 to an arbitrary position in the X-direction. Moving.
- the Z-direction moving device 314 has a Z-slider 322 arranged on the side surface of the X-slider 320, and the Z-slider 322 is moved to an arbitrary position in the Z-direction by driving an electromagnetic motor (see FIG. 11) 323. Moving.
- the component holding head 302 includes a head main body 330, a suction nozzle 332, a nozzle swivel device 334, and a nozzle rotation device 335.
- the head body 330 is integrally formed with the Z slider 322.
- the suction nozzle 332 holds a component and is detachably attached to the lower end portion of the holder 340.
- the holder 340 is bendable at the support shaft 344, and the holder 340 is bent 90 degrees upward by the operation of the nozzle turning device 334.
- the suction nozzle 332 mounted on the lower end of the holder 340 swivels 90 degrees and is located at the swivel position.
- the suction nozzle 332 is swiveled between the non-swivel position and the swivel position by the operation of the nozzle swivel device 334.
- the nozzle rotation device 335 rotates the suction nozzle 332 around its axis.
- each of the two shuttle devices 304 includes a component carrier 388 and a component carrier moving device 390, is arranged laterally on the front side of the component supply unit 82, and is fixed to the main body 80. Has been done.
- Five component receiving members 392 are mounted on the component carrier 388 in a line in a horizontal direction, and the components are mounted on each component receiving member 392.
- the loose parts supply device 32 can supply various parts, and various parts receiving members 392 are prepared according to the shape of the parts.
- various parts receiving members 392 are prepared according to the shape of the parts.
- an electronic circuit component supplied by the loose component supply device 32 as shown in FIG. 10, a component receiving member 392 corresponding to a lead component 410 having a lead will be described.
- the lead component 410 is composed of a block-shaped component body 412 and two leads 414 protruding from the bottom surface of the component body 412.
- the component receiving member 392 is formed with a component receiving recess 416 having a shape corresponding to the lead component 410.
- the component receiving recess 416 is a recess having a stepped shape, and is composed of a main body receiving recess 418 opening on the upper surface of the component receiving member 392 and a lead receiving recess 420 opening on the bottom surface of the main body receiving recess 418.
- the lead component 410 is inserted into the component receiving recess 416 with the lead 414 facing downward.
- the lead 414 is inserted into the lead receiving recess 420, and the lead component 410 is placed inside the component receiving recess 416 with the component main body 412 inserted into the main body receiving recess 418.
- the component carrier moving device 390 is a plate-shaped longitudinal member, and is arranged on the front side of the component supply unit 82 so as to extend in the front-rear direction.
- a component carrier 388 is slidably arranged in the front-rear direction on the upper surface of the component carrier moving device 390, and is slid to an arbitrary position in the front-rear direction by driving an electromagnetic motor (see FIG. 11) 430.
- the component carrier 388 slides in the direction approaching the component supply unit 82, it slides to the component receiving position located within the moving range of the component holding head 302 by the component holding head moving device 300.
- the component carrier 388 slides away from the component supply unit 82, it slides to the component supply position located within the movement range of the work heads 60 and 62 by the work head moving device 64.
- the control device 34 includes a general control device 450, a plurality of individual control devices (only one is shown in the figure) 452, and an image processing device 454.
- the general control device 450 is mainly composed of a computer, and is connected to a base material transfer holding device 22, a component mounting device 24, an image pickup device 26, an image pickup device 28, a component supply device 30, and a loose component supply device 32. ing.
- the integrated control device 450 collectively controls the base material transfer holding device 22, the component mounting device 24, the image pickup device 26, the image pickup device 28, the component supply device 30, and the loose component supply device 32.
- the plurality of individual control devices 452 are configured mainly by a computer, and include a base material transfer holding device 22, a component mounting device 24, an image pickup device 26, an image pickup device 28, a component supply device 30, and a loose component supply device 32. Correspondingly provided (in the figure, only the individual control device 452 corresponding to the loose component supply device 32 is shown).
- the individual control device 452 of the loose parts supply device 32 is connected to the parts scattering device 90, the parts return device 92, the camera moving device 292, the parts holding head moving device 300, the parts holding head 302, and the shuttle device 304.
- the individual control device 452 of the loose parts supply device 32 controls the parts scattering device 90, the parts return device 92, the camera moving device 292, the parts holding head moving device 300, the parts holding head 302, and the shuttle device 304.
- the image processing device 454 is connected to the image pickup device 84 and processes the image pickup data captured by the image pickup device 84.
- the image processing device 454 is connected to the individual control device 452 of the loose component supply device 32.
- the individual control device 452 of the loose component supply device 32 acquires the image pickup data captured by the image pickup device 84.
- the loose parts supply device 32 has a storage device 458.
- the storage device 458 is connected to the individual control device 452, and stores various information according to a command from the individual control device 452.
- the individual control device 452 is also connected to the display panel 460. As shown in FIG. 1, the display panel 460 is arranged on the end face of the loose component supply device 32, and displays an arbitrary screen according to a command from the individual control device 452.
- the component mounting machine 10 performs component mounting work on the circuit substrate 12 held by the substrate transfer holding device 22. Specifically, the circuit base material 12 is conveyed to a working position, where it is fixedly held by the clamp device 52. Next, the image pickup apparatus 26 moves above the circuit base material 12 and images the circuit base material 12. As a result, information regarding an error in the holding position of the circuit base material 12 can be obtained. Further, the parts supply device 30 or the loose parts supply device 32 supplies parts at a predetermined supply position. The supply of parts by the loose parts supply device 32 will be described in detail later. Then, one of the work heads 60 and 62 moves above the supply position of the component and holds the component by the suction nozzle 66.
- the work heads 60 and 62 holding the parts are moved above the image pickup device 28, and the parts held by the suction nozzle 66 are imaged by the image pickup device 28. This provides information about the error in the holding position of the component. Then, the work heads 60 and 62 holding the parts move above the circuit base material 12, and correct the holding position error of the circuit base material 12, the holding position error of the parts, and the like. , Mounted on the circuit substrate 12.
- the lead component 410 is inserted by an operator from the input port 97 of the component supply device 88, and the inserted lead component 410 is operated by the component supply unit 82 and the component delivery device 86. , Is supplied in a state of being mounted on the component receiving member 392 of the component carrier 388.
- the operator inputs the lead component 410 from the input port 97 on the upper surface of the component feeder 88.
- the component support member 150 is moved below the component feeder 88 by the operation of the component support member moving device 152, and is in the retracted state (see FIG. 6).
- the component storage container 180 arranged at the front end of the component support member 150 is located in front of the component feeder 88 and is a component.
- the posture is such that the opening of the storage container 180 is directed upward (containment posture).
- the lead component 410 inserted from the input port 97 of the component feeder 88 falls on the inclined plate 104 of the component feeder 88 and rolls down to the lower end on the front side of the inclined plate 104.
- the lead component 410 that has rolled down to the lower end on the front side of the inclined plate 104 is piled up between the lower end on the front side of the inclined plate 104 and the lower end on the rear side of the conveyor device 106.
- the conveyor belt 112 of the conveyor device 106 orbits counterclockwise in FIG.
- the lead parts 410 piled up between the inclined plate 104 and the conveyor belt 112 are conveyed diagonally upward by the conveyor belt 112.
- the lead component 410 conveyed by the conveyor belt 112 falls onto the inclined plate 126 from the upper end on the front side of the conveyor device 106.
- the lead component 410 that has fallen onto the inclined plate 126 rolls backward on the inclined plate 126 and falls onto the inclined plate 128.
- the lead component 410 that has fallen onto the inclined plate 128 rolls forward and is discharged from the discharge port 98 on the front side of the component feeder 88.
- the lead component 410 discharged from the discharge port 98 of the component feeder 88 is accommodated inside the component storage container 180. Then, when a predetermined amount of lead parts 410 is discharged from the parts feeder 88, that is, when the conveyor device 106 operates in a certain amount, the conveyor device 106 stops. Next, the component support member 150 moves forward from the retracted state by the operation of the component support member moving device 152.
- the container swing device 181 of the component return device 92 operates, and the component storage container 180 swings.
- the posture of the component storage container 180 vigorously changes from the posture with the opening facing upward (storage posture) to the posture with the opening facing the stage 156 (returning posture).
- the lead component 410 housed in the component container 180 is vigorously discharged toward the stage 156.
- the lead parts 410 are scattered from the parts storage container 180 onto the stage 156.
- the lead parts 410 are scattered on the stage 156 of the part support member 150, as shown in FIG. 12, the lead parts 410 are scattered on the stage 156 in substantially four postures. Specifically, as the first posture, the lead parts 410 are scattered in a posture in which the extending surface of the lead 414 faces sideways and the two leads 414 are generally arranged horizontally. Further, as a second posture, the lead parts 410 are scattered in a posture in which the extending surface of the lead 414 faces sideways and the two leads 414 are generally arranged in the vertical direction. Further, as a third posture, the lead parts 410 are scattered in a posture in which the extending surface of the lead 414 faces upward.
- the lead parts 410 are scattered in a posture in which two or more lead parts 410 are overlapped with each other.
- the lead parts 410 are distinguished by the scattered postures, the lead parts 410a in the first posture, the lead parts 410b in the second posture, the lead parts 410c in the third posture, and the lead parts in the fourth posture are used. It is described as 410d.
- lead parts 500 having different shapes from the lead parts 410 are also scattered on the stage 156. This is because the operator mistakenly puts the lead component 410 and the lead component 500 of a different type into the component feeder 88, and the lead component 500 of a different type is scattered on the stage in a state of being mixed in the lead component 410. Has been done.
- the camera 290 of the image pickup apparatus 84 moves above the component support member 150 by the operation of the camera moving device 292.
- the lead components 410 scattered on the stage 156 are imaged by the camera 290. Since the viewing angle of the camera 290, that is, the imaging range is wider than that of the stage 156, the entire stage 156, that is, all the lead components 410 scattered on the stage 156 are imaged by one imaging.
- the lead component to be picked up (hereinafter, may be abbreviated as "pickup target component”) is specified by pattern matching.
- the outer edge of the lead component 410 that is, the outline is specified based on the imaging data of the lead component 410 by the camera 290, and the shape of the upper surface of the lead component 410, that is, above the lead component 410.
- the shape from the viewpoint from is calculated.
- the position of the lead component 410 is also calculated based on the image pickup data.
- the storage device 458 may be abbreviated as image data having a shape corresponding to the outline of the lead component 410a in the first posture (hereinafter, referred to as “first posture component image data”).
- image data having a shape corresponding to the outline of the lead component 410b in the second posture hereinafter, may be abbreviated as "second posture component image data" are stored.
- the shape of the upper surface of the lead component 410 calculated based on the image pickup data (hereinafter, may be referred to as “image pickup component shape”) is the shape of the lead component 410 based on the first posture component image data (hereinafter, referred to as “image image component shape”). It may be described as "first storage component shape”), or it matches the shape of the lead component 410 based on the second posture component image data (hereinafter, may be described as "second storage component shape”). Whether or not it is judged. Then, when it is determined that the shape of the image pickup component matches the shape of the first storage component or the shape of the second storage component, the lead component 410 corresponding to the shape of the image pickup component is set as the component to be picked up.
- the lead component 410a in the first posture and the lead component 410b in the second posture are set as the parts to be picked up, and the lead component 410c in the third posture and the lead component 410d in the fourth posture are picked up. Not set as a target part.
- the lead 414 is arranged on the upper surface of the lead component 410c in the third posture, the lead 414 becomes an obstacle, and the lead component 410 cannot be properly held by the suction nozzle 332.
- the lead component 410d in the fourth posture the lead component 410 cannot be properly held by the suction nozzle 332 because the upper surface of the lead component 410d is not horizontal.
- the lead component 410a in the first posture and the lead component 410b in the second posture are set as the parts to be picked up, and are stored in the storage device 458 as information indicating the posture of the lead component.
- the lead component of the first posture in which the lead 414 is bent that is, the lead component of the defective product of the first posture (hereinafter, referred to as “the defective product of the first posture”) 410a1 is scattered.
- the bent shape of the lead 414 does not match the shape of the first storage component. Therefore, the defective product 410a1 in the first posture is not set as a pickup target component.
- the lead component in the second posture in which the lead 414 is bent that is, the lead component in the defective product in the second posture (hereinafter, referred to as “defective product in the second posture”) 410b1 is also scattered.
- the bent shape of the lead 414 does not match the shape of the second storage component.
- the defective product 410b1 in the second posture is not set as a pickup target component. Further, since the shape of the lead component 500 having a shape different from that of the lead component 410 does not naturally match the shape of the first storage component and the shape of the second storage component, the lead component 500 is not set as a component to be picked up.
- the information indicating the position of the lead component 410 set as the pickup target component is calculated based on the imaging data.
- the component holding head 302 moves above the pickup target component by the operation of the component holding head moving device 300, and the pickup target component is moved by the suction nozzle 332. Is adsorbed and held.
- the suction nozzle 332 is located at a non-swinging position when the component to be picked up is sucked and held by the suction nozzle 332.
- the component holding head 302 moves above the component carrier 388.
- the component carrier 388 is moved to the component receiving position by the operation of the component carrier moving device 390.
- the suction nozzle 332 is swiveled to the swivel position.
- the suction nozzle 332 is swiveled by the operation of the nozzle rotation device 335 so that the lead 414 of the lead component 410 held by the suction nozzle 332 at the swivel position faces downward in the vertical direction.
- the lead component 410 with the lead 414 facing downward in the vertical direction is inserted into the component receiving recess 416 of the component receiving member 392.
- the lead component 410 is placed on the component receiving member 392 with the lead 414 facing downward in the vertical direction.
- the component carrier 388 moves to the component supply position by the operation of the component carrier moving device 390. Since the component carrier 388 moved to the component supply position is located in the movement range of the work heads 60 and 62, the loose component supply device 32 supplies the lead component 410 to the component mounting machine 10 at this position. As described above, in the loose component supply device 32, the lead component 410 is supplied with the lead 414 facing downward and the upper surface facing the bottom surface to which the lead 414 is connected facing upward. Therefore, the suction nozzle 66 of the work heads 60 and 62 can appropriately hold the lead component 410.
- the scattered pickup target parts are repeatedly picked up, and the pick-up target is picked up.
- the component is placed on the component receiving member 392.
- the component carrier 388 on which the component receiving member 392 is mounted moves to the component supply position, so that the lead component 410 is supplied.
- the lead parts 410 cannot be picked up from the stage 156. That is, all the lead parts 410 judged to be pickable are picked up, and the lead parts 410 judged to be unpickable or the lead parts 410 judged to be unidentifiable remain on the stage 156. If so, the lead component 410 cannot be picked up from the stage 156.
- the lead parts 410 remaining on the stage 156 are collected in the parts storage container 180. Then, the lead parts 410 collected in the parts storage container 180 are scattered again on the stage 156, and the posture of the lead parts 410 is changed, so that the pick-up of the lead parts 410 from the stage 156 is restarted. To.
- the part support member 150 moves downward of the part feeder 88 by the operation of the part support member moving device 152. That is, the component support member 150 moves from the exposed state (see FIG. 5) to the retracted state (see FIG. 6).
- the component storage container 180 arranged at the front end portion of the component support member 150 is in a posture (recovery posture) with the opening facing upward.
- the lead component 410 on the stage 156 of the component support member 150 is blocked by the front end portion of the inclined plate 128 of the component feeder 88. Can be stopped.
- the lead component 410 on the stage 156 is scraped off inside the component storage container 180. As a result, the lead component 410 on the stage 156 is collected in the component storage container 180. As described above, when the lead component 410 on the stage 156 is collected in the component storage container 180, the collected lead component 410 is replenished on the stage 156 again.
- the component support member 150 moves forward from the retracted state by the operation of the component support member moving device 152. Then, at the timing when the component support member 150 moves forward by a predetermined amount from the stored state, the container swing device 181 of the component return device 92 operates, and the component storage container 180 swings. As a result, the posture of the component storage container 180 vigorously changes from the posture with the opening facing upward (storage posture) to the posture with the opening facing the stage 156 (returning posture).
- the lead component 410 housed in the component container 180 is vigorously released toward the stage 156.
- the lead parts 410 are scattered from the parts storage container 180 onto the stage 156. That is, the lead parts 410 collected in the parts storage container 180 are replenished to the stage 156.
- the posture of the replenished lead component 410 is changed, and the lead component 410 is picked up again from above the stage 156.
- the lead parts 410 on the stage 156 are collected in the parts storage container 180. Then, the lead parts 410 collected in the parts storage container 180 are scattered on the stage 156 again, so that the posture of the lead parts 410 is changed, and the lead parts 410 are picked up again from above the stage 156. Will be done. That is, when the lead parts 410 collected in the parts storage container 180 are scattered on the stage 156 again, the parts on the stage 156 are imaged by the camera 290, and the parts to be picked up are specified based on the image pickup data. By doing so, the component to be picked up is held by the component holding head 302.
- the probability that the lead parts 410 scattered on the stage 156 from the parts storage container 180 will be in the first posture or the second posture, that is, the probability that they will be the parts to be picked up (hereinafter, "retainable probability"). It is desirable that the value is high.
- the holdability probability is high, the number of times the lead component 410 is collected from the component container 180 and the lead component 410 is replenished from the component container 180 to the stage 156 is reduced. This makes it possible to reduce the time required for collection work and replenishment work.
- the holding probability is calculated every time the parts are scattered on the stage 156 from the parts storage container 180.
- the parts on the stage 156 are imaged by the camera 290, and the parts to be picked up are specified based on the imaged data.
- the parts on the stage 156 are imaged by the camera 290, and the parts to be picked up are specified based on the imaged data.
- the information indicating the number of parts (hereinafter referred to as "number information") is calculated based on the image pickup data.
- numerical information the total number of lead parts 410 scattered on the stage 156 (hereinafter referred to as “total number of parts”) and the number of parts to be picked up (hereinafter referred to as "retainable number") are described.
- the number of overlapping lead parts 410 hereinafter referred to as "stacked number" are calculated.
- part exclusive area the area occupied by the lead component 410 in the stage 156 in which the lead component 410 is scattered. That is, for example, the outlines of each of the plurality of parts are recognized based on the imaging data, and the area of the portion surrounded by the outlines is calculated as the area occupied by the parts.
- stage area the area of the stage 156 (hereinafter referred to as "stage area") is calculated based on the image pickup data. Then, by dividing the component occupancy area by the stage area, the ratio occupied by the location where the component is placed on the stage 156 (hereinafter referred to as "component occupancy rate”) is calculated. Naturally, if the component occupancy rate is high, the total number of parts mounted on the stage 156, that is, the total number of parts is large, and if the component occupancy rate is low, the total number of parts is small.
- the relationship between the component occupancy rate and the total number of components is generally a proportional relationship, and the proportional relationship is stored in the storage device 458 as map data. Therefore, when the component occupancy rate is calculated, the map data is referred to and the total number of components is calculated.
- the location where the component is not placed on the stage 156 that is, the ratio occupied by the empty space (hereinafter referred to as "vacant space ratio") is also calculated.
- the area of the empty space is calculated by subtracting the component occupied area from the stage area, and the empty space ratio is calculated by dividing the area of the empty space by the stage area.
- the number that can be held is counted when the parts to be picked up are specified by pattern matching according to the procedure described above.
- the number that can be held is counted for each posture of the part. That is, the number of the lead parts 410a in the first posture is counted as the holdable number A, and the number of the lead parts 410b in the second posture is counted as the holdable number B.
- the holdable number A and the holdable number B are calculated.
- the holding probability is calculated by dividing the total number of the number A that can be held and the number B that can be held by the total number of parts. Will be done.
- the outline of the component is recognized based on the imaging data.
- the outline of the part is larger than the lead part of the first posture and the second posture. Therefore, when the outline of the component is recognized based on the imaging data and pattern matching is performed, the shape of the recognized component does not match the shape of the first storage component and the shape of the second storage component. Parts larger than the shape of the storage component or larger than the shape of the second storage component are counted as the number of layers. As a result, the number of layers is calculated.
- the total number of parts, the number A that can be held, the number B that can be held, the probability that the parts can be held, the empty area ratio, and the number of stacks are calculated, they are stored in the storage device 458.
- the total number of parts, the number that can be held A, the number B that can be held, the probability that the parts can be held, the empty area ratio, and the number of stacked parts are calculated each time the parts are replenished from the parts storage container 180 onto the stage 156. It is stored in the storage device 458 in association with the number of times it is performed. That is, for example, as shown in FIG.
- the total number of parts at the time of the first replenishment the number A that can be held, the number B that can be held, the probability of holding, the empty area ratio, the number of stacks, the total number of parts at the time of the second replenishment, It is stored for each number of replenishments, such as the number A that can be held, the number B that can be held, the probability that it can be held, the empty area ratio, and the number of stacks.
- defective products 410a1 and b1 in which lead parts 500 and leads 414 of a different type from the lead parts 410 may be scattered may be scattered on the stage 156.
- the lead parts 500 and the defective products 410a1 and b1 are not set as pickup target parts as described above. Therefore, no matter how many times the replenishment work from the parts storage container 180 is executed, those three parts are not picked up from the stage 156.
- Such a component is called an immovable component, and the immovable component reduces the probability of holding. In particular, as the number of replenishments increases and the total number of parts decreases, the probability that the immovable parts can be held decreases.
- the theoretical value of the holdability probability when the lead parts 410 are scattered on the stage 156 is 50%
- the number is 50% of 50, that is, , 25 lead parts 410 are pick-up target parts.
- the theoretical value is 47. 50%, that is, 23.5 lead parts 410 are pick-up target parts. That is, the theoretical value of the parts to be picked up is 23.5.
- FIG. 14 shows the total number of parts calculated when parts including three immovable parts are scattered on the stage 156.
- the total number of parts calculated at the time of the first replenishment is 50, and the number that can be held (A + B), that is, the number of parts to be picked up is 24.
- the number of parts to be picked up (24 pieces) calculated at the time of the first replenishment is a value close to the theoretical value (23.5 pieces) of the parts to be picked up.
- the retention probability calculated at the time of the first replenishment is 48%, which is substantially the same as the theoretical value (50%) of the retention probability.
- the remaining 26 parts are housed in the parts storage container 180 and are scattered again from the parts storage container 180 to the stage 156.
- the theoretical value of the parts to be picked up is 50% of the 23 parts, that is, 11.5 parts.
- the number of retainable parts (A + B) calculated at the time of the second replenishment, that is, the number of parts to be picked up is 11.
- the number of parts to be picked up (11 pieces) calculated at the time of the second replenishment is a value close to the theoretical value (11.5 pieces) of the parts to be picked up.
- the retention probability calculated at the time of the second replenishment is 42%, which is lower than the theoretical value (50%) of the retention probability. That is, the retention probability calculated at the time of the first supply was 48%, but the retention probability calculated at the time of the second supply is 42%, which is lower than the theoretical value (50%) of the retention probability. ing. This is because the ratio of immovable parts to the total number of parts when the holdability probability is calculated at the time of the second supply (3/26) is the total number of parts when the holdability probability is calculated at the time of the first supply. This is because it is about twice as large as the ratio of immovable parts (3/50).
- the remaining 15 parts are housed in the parts storage container 180, and are scattered again from the parts storage container 180 to the stage 156.
- the theoretical value of the parts to be picked up is 50% of 12 pieces, that is, 6 pieces.
- the number of retainable parts (A + B) calculated at the time of the third replenishment, that is, the number of parts to be picked up is six.
- the number of pickup target parts (6 pieces) calculated at the time of the third replenishment is the same as the theoretical value (6 pieces) of the pickup target parts.
- the retention probability calculated at the time of the third replenishment is 40%, which is lower than the theoretical value (50%) of the retention probability. That is, the retention probability calculated at the first replenishment was 48%, but the retention probability calculated at the third replenishment was 40%, which is even lower than the theoretical value (50%) of the retention probability. It has become. This is because the ratio (3/15) of the immovable parts to the total number of parts when the holdability probability is calculated at the time of the third replenishment is the total number of parts when the holdability probability is calculated at the time of the first replenishment. This is because the ratio of immovable parts among them (3/50) is about 3.3 times higher.
- the number of retainable parts (A + B) calculated at the time of the fourth replenishment that is, the number of parts to be picked up is three.
- the number of pickup target parts (3 pieces) calculated at the time of the fourth replenishment is the same as the theoretical value (3 pieces) of the pickup target parts.
- the retention probability calculated at the time of the fourth replenishment is 33%, which is lower than the theoretical value (50%) of the retention probability. That is, the retention probability calculated at the time of the first replenishment was 48%, but the retention probability calculated at the time of the fourth replenishment was 33%, which is significantly higher than the theoretical value (50%) of the retention probability. It's getting low. This is because the ratio of immovable parts to the total number of parts at the time of the fourth replenishment (3/9) is five times the ratio of immovable parts to the total number of parts at the time of the first replenishment (3/50). This is because the number has increased.
- the ratio of immovable parts to the total number of parts increases, and the holding probability calculated at the time of replenishment decreases. That is, if there are immovable parts in the stage 156, the holding probability calculated at the time of replenishment decreases as the number of replenishments increases. On the other hand, if there are no immovable parts in the stage 156, the holdable probability calculated at the time of replenishment does not decrease even if the number of times of replenishment increases, and it becomes a theoretical value of the holdable probability.
- the holdability calculated each time the parts are supplied from the parts storage container 180 to the stage 156 is a reference value based on the theoretical value of the holdability.
- a notification screen warning of the inclusion of immovable parts is displayed on the display panel 460.
- the reference value is set to a value 10% lower than the theoretical value (50%) of the holdable probability, for example, in consideration of an error or the like. Therefore, as shown in FIG. 15, when 40% is set as a reference value and the calculated retention probability is 40% or less, that is, when the retention probability is calculated at the time of the third replenishment.
- the notification screen 510 warning that immovable parts are mixed is displayed on the display panel 460.
- the notification screen 510 displays a comment 512 prompting the confirmation of the parts of the stage 156.
- the operator can remove the immovable parts to prevent the holding probability from being lowered.
- the suction nozzle 332 holds the component from the stage 156, if some abnormality occurs in the suction nozzle 332, the component may be damaged when the component is held by the suction nozzle 332.
- the parts housed in the parts storage container 180 are scattered on the stage 156, if some abnormality occurs in the parts returning device 92, the parts may be damaged.
- a holder for holding the component that is, a suction nozzle 332 and a comment 514 prompting confirmation of the component return device 92 are also displayed. As a result, it is possible to suppress the generation of defective products 410a1 and b1 and prevent a decrease in the holding probability.
- pattern matching cannot be properly executed based on not only immovable parts but also imaging data.
- the imaged data is image-processed, and in the image processing, for example, it is binarized in pixel units.
- a numerical threshold value such as luminance is set as a parameter, and the image processing is executed with this parameter as a reference.
- the outline of the component may not be recognized properly. In this way, if the outline of the component cannot be properly recognized, the component to be picked up cannot be specified, and the probability of holding the component decreases.
- the image The processing parameters are changed. Then, based on the changed parameter, it is binarized in pixel units, and pattern matching based on the imaging data is executed. As a result, it is possible to prevent a decrease in the holding probability by appropriately recognizing the outline of the component and appropriately specifying the component to be picked up.
- the notification screen 510 is displayed on the display panel 460 and the image processing is performed. By changing the parameter, it is possible to prevent the retention probability from decreasing.
- a notification screen prompting the change of the parts supply interval from the parts supply device 88 is displayed on the display panel 460 based on the number of stacks calculated at the time of replenishment, the number that can be held, and the like.
- the number of layers is the number of overlapping parts on the stage 156
- the number that can be held is the number of parts that can be picked up from the top of the stage 156. If the number of parts that can be picked up from the top of the stage 156 is small but the number of overlapping parts on the stage 156 is large, the number of parts supplied on the stage 156 is too large. Can be assumed.
- the stage is shown in FIG.
- a notification screen 520 prompting the suppression of the number of parts supplied above the 156 is displayed on the display panel 460.
- a comment 522 urging the component supply interval supplied from the component supply device 88 to the stage 156 to be lengthened is displayed.
- the worker can lengthen the parts supply interval according to the comment 522, so that the number of parts on the stage 156 can be suppressed.
- the stage 156 is performed on the condition that the empty area ratio is larger than the set ratio.
- a notification screen (not shown) for encouraging an increase in the number of parts supplied to the display panel 460 is displayed on the display panel 460.
- a comment urging the component supply interval supplied from the component supply device 88 to the stage 156 to be shortened is displayed. Then, the worker can increase the number of parts on the stage 156 by shortening the parts supply interval according to the comment. This makes it possible to increase the holding probability by increasing the number of parts that can be picked up from above the stage 156.
- the individual control device 452 of the loose parts supply device 32 includes a calculation unit 550, a storage unit 552, a holding unit 554, a determination unit 556, a change unit 558, and a supply unit 560.
- the calculation unit 550 is a functional unit for calculating position information indicating the position of a component on the stage 156, posture information indicating the posture of the component, and numerical information indicating the number of components based on the imaging data. be.
- the storage unit 552 is a functional unit for storing the calculated position information, posture information, and numerical information in the storage device 458.
- the holding unit 554 is a functional unit for holding a component by the suction nozzle 332 based on the calculated position information and posture information.
- the determination unit 556 is a functional unit for determining whether or not to change the parameters of image processing based on the calculated numerical information.
- the change unit 558 is a functional unit for changing the parameters of image processing when it is determined by the determination unit 556 that the parameters are to be changed.
- the replenishment unit 560 is a functional unit for operating the conveyor device 106 of the parts supply device 88 to replenish the parts from the parts supply device 88 to the stage 156.
- the loose parts supply device 32 is an example of the parts supply device.
- Stage 156 is an example of a stage.
- the camera 290 is an example of an image pickup device.
- the suction nozzle 332 is an example of a holder.
- the individual control device 452 is an example of an arithmetic unit.
- the storage device 458 is an example of a storage device.
- the process executed by the calculation unit 550 is an example of the calculation process.
- the process executed by the storage unit 552 is an example of the storage process.
- the process executed by the holding unit 554 is an example of the holding process.
- the process executed by the determination unit 556 is an example of the determination process.
- the process executed by the change unit 558 is an example of the change process.
- the process executed by the replenishment unit 560 is an example of the replenishment process.
- a notification screen for prompting a change in the supply interval of parts from the parts supply device 88 is displayed on the display panel 460 based on the number of stacked layers calculated at the time of replenishment, the number that can be held, and the like.
- the supply interval of parts may be changed automatically. That is, when the number of layers exceeds the maximum number of layers and the number that can be held is less than the minimum number that can be held, the supply interval of the parts may be automatically lengthened.
- the supply interval of parts may be automatically shortened provided that the empty area ratio is larger than the set ratio. .. In this way, the process of automatically changing the supply interval of parts is an example of the changing process.
- the notification screen is displayed and the image processing parameters are changed based on the numerical information such as the retention probability stored in the storage device 458.
- various information are used based on the numerical information. It is possible to do the work. For example, when a plurality of parts on the stage 156 are imaged, the order in which the image processing of the plurality of parts is executed may be determined based on the numerical information. Specifically, when many parts are placed on the left side of the stage 156, image processing may be executed from the parts located on the left side.
- the camera 290 having a wide viewing angle is adopted, and the entire stage 156 can be imaged at one time.
- a plurality of stages 156 are used. It may be divided into areas and imaged multiple times.
- the total number of parts is calculated based on the area occupied by the parts, but the total number of parts may be calculated by various methods.
- the outlines of parts having various postures may be distinguished based on the imaging data, and the total number of parts may be calculated based on the distinguished outlines.
- the present invention is applied to the lead component 410, but the present invention can be applied to various types of components. Specifically, the present invention can be applied to, for example, a component of a solar cell, a component of a power module, an electronic circuit component having no lead, and the like.
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Abstract
Description
Claims (8)
- ステージの上に散在された部品を供給する部品供給方法であって、
前記ステージの上に散在された部品の撮像データに基づいて、部品の位置を示す位置情報と、部品の姿勢を示す姿勢情報と、部品の数を示す数情報とを記憶する記憶工程と、
前記記憶工程において記憶された前記位置情報と前記姿勢情報に基づいて、前記ステージの上に散在された部品を保持具により保持する保持工程と、
を含む部品供給方法。 - 前記記憶工程は、前記姿勢情報毎に、前記数情報を記憶する請求項1に記載の部品供給方法。
- 請求項1又は請求項2に記載の部品供給方法は、さらに、
前記ステージの上に部品を補給する補給工程と、
前記位置情報、前記姿勢情報、前記数情報に基づいて、前記補給工程のインターバルを変更する変更工程と、
を含む部品供給方法。 - ステージの上に散在された部品を供給する部品供給方法であって、
前記ステージの上に散在された部品の撮像データに基づいて、部品の位置を示す位置情報と、部品の姿勢を示す姿勢情報と、部品の数を示す数情報とを演算する演算工程と、
前記演算工程において演算された前記位置情報と前記姿勢情報とを利用して、前記ステージの上に散在された部品を保持具により保持する保持工程と、
前記演算工程において演算された前記数情報に基づいて、前記演算工程において撮像データが画像処理される際のパラメータを変更する否かを判断する判断工程と、
前記判断工程においてパラメータを変更すると判断された場合に、前記演算工程において撮像データが画像処理される際のパラメータを変更する変更工程と、
を含む部品供給方法。 - 前記パラメータは、撮像データに基づいて部品の外縁を認識するためのものである請求項4に記載の部品供給方法。
- 前記数情報は、前記ステージの上の全ての部品の部品数と、前記ステージの上から前記保持具により保持可能な部品数と、前記ステージの上で重なっている部品数とのうちの少なくとも1つを示す情報である請求項1ないし請求項5のいずれか1つに記載の部品供給方法。
- 部品が散在されるステージと、
前記ステージに散在された部品を保持する保持具と、
前記ステージに散在された部品を撮像する撮像装置と、
前記撮像装置による部品の撮像データに基づいて、部品の位置を示す位置情報と、部品の姿勢を示す姿勢情報と、部品の数を示す数情報とを記憶する記憶装置と、
を備え、
前記保持具は、
前記記憶装置により記憶された前記位置情報と前記姿勢情報とに基づいて、前記ステージの上に散在された部品を保持する部品供給装置。 - 部品が散在されるステージと、
前記ステージに散在された部品を保持する保持具と、
前記ステージに散在された部品を撮像する撮像装置と、
前記撮像装置による部品の撮像データに基づいて、部品の位置を示す位置情報と、部品の姿勢を示す姿勢情報と、部品の数を示す数情報とを演算する演算装置と、
を備え、
前記保持具は、
前記演算装置により演算された前記位置情報と前記姿勢情報とを利用して、前記ステージの上に散在された部品を保持し、
前記演算装置は、
演算した前記数情報が所定の数値を示す場合に、撮像データを画像処理する際のパラメータを変更し、撮像データに基づいて前記数情報を演算する部品供給装置。
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| US18/001,039 US12207413B2 (en) | 2020-07-08 | 2020-07-08 | Component supply method and component supply device |
| JP2022534558A JP7490777B2 (ja) | 2020-07-08 | 2020-07-08 | 部品供給方法、および部品供給装置 |
| CN202080101265.4A CN115669250B (zh) | 2020-07-08 | 2020-07-08 | 元件供给方法及元件供给装置 |
| DE112020007396.3T DE112020007396T5 (de) | 2020-07-08 | 2020-07-08 | Komponenten-Zuführverfahren undKomponenten-Zuführvorrichtung |
| PCT/JP2020/026706 WO2022009336A1 (ja) | 2020-07-08 | 2020-07-08 | 部品供給方法、および部品供給装置 |
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| WO2024003984A1 (ja) * | 2022-06-27 | 2024-01-04 | 株式会社Fuji | 部品供給装置 |
| WO2024247098A1 (ja) * | 2023-05-30 | 2024-12-05 | 株式会社Fuji | 部品供給システム |
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| WO2016147331A1 (ja) * | 2015-03-18 | 2016-09-22 | 富士機械製造株式会社 | 部品供給装置 |
| WO2019053888A1 (ja) * | 2017-09-15 | 2019-03-21 | 株式会社Fuji | 部品供給システム |
| JP2020047941A (ja) * | 2019-12-09 | 2020-03-26 | 株式会社Fuji | 装着作業機、および部品装着方法 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024003984A1 (ja) * | 2022-06-27 | 2024-01-04 | 株式会社Fuji | 部品供給装置 |
| JPWO2024003984A1 (ja) * | 2022-06-27 | 2024-01-04 | ||
| WO2024247098A1 (ja) * | 2023-05-30 | 2024-12-05 | 株式会社Fuji | 部品供給システム |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115669250A (zh) | 2023-01-31 |
| JP7490777B2 (ja) | 2024-05-27 |
| DE112020007396T5 (de) | 2023-04-20 |
| US12207413B2 (en) | 2025-01-21 |
| US20230225097A1 (en) | 2023-07-13 |
| JPWO2022009336A1 (ja) | 2022-01-13 |
| CN115669250B (zh) | 2025-11-07 |
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