WO2021166179A1 - 部品実装機および部品実装システム - Google Patents

部品実装機および部品実装システム Download PDF

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Publication number
WO2021166179A1
WO2021166179A1 PCT/JP2020/006872 JP2020006872W WO2021166179A1 WO 2021166179 A1 WO2021166179 A1 WO 2021166179A1 JP 2020006872 W JP2020006872 W JP 2020006872W WO 2021166179 A1 WO2021166179 A1 WO 2021166179A1
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WO
WIPO (PCT)
Prior art keywords
component
parts
feeder
control device
mounting machine
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.)
Ceased
Application number
PCT/JP2020/006872
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
岳史 櫻山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Corp
Original Assignee
Fuji Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuji Corp filed Critical Fuji Corp
Priority to PCT/JP2020/006872 priority Critical patent/WO2021166179A1/ja
Priority to JP2022501522A priority patent/JP7440606B2/ja
Priority to US17/904,340 priority patent/US12052826B2/en
Priority to EP20919402.6A priority patent/EP4110030A4/en
Priority to CN202080094568.8A priority patent/CN115004878B/zh
Publication of WO2021166179A1 publication Critical patent/WO2021166179A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H05K13/0417—Feeding with belts or tapes
    • H05K13/0419—Feeding with belts or tapes tape feeders
    • 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
    • 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
    • H05K13/021—Loading or unloading of containers
    • 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
    • H05K13/082—Integration of non-optical monitoring devices, i.e. using non-optical inspection means, e.g. electrical means, mechanical means or X-rays

Definitions

  • This specification discloses a component mounting machine and a component mounting system.
  • a component mounting machine in which a component held in a cavity of a carrier tape delivered from a feeder device is taken out by a mounting head and mounted on a board, it is determined whether or not the remaining number of components held by the carrier tape has become zero.
  • This component mounting machine includes a camera device provided on the mounting head. Then, the component mounting machine takes an image of the terminal cavity portion formed on the terminal side of the carrier tape by the camera device, and determines whether or not there is a component in the terminal cavity portion based on the obtained captured image.
  • the main purpose of this disclosure is to more accurately determine the parts out of parts of the parts supply device.
  • the component mounting machine of the present disclosure is It is a component mounting machine that takes out the components supplied from the component supply device to the supply position by the mounting head and mounts them on the object.
  • An imaging device capable of imaging the supply position from above, and A parts detection sensor that can detect parts and When a predetermined determination condition is satisfied, component information about a component supplied by the component supply device is acquired, and the presence or absence of a component at the supply position is determined based on an image captured by the imaging device of the supply position.
  • the first determination process for determining the presence or absence of parts out of the parts supply device and the second determination process for determining the presence or absence of parts in the parts supply device by detecting the presence or absence of parts at the supply position by the parts detection sensor.
  • a control device that selects and executes any of a plurality of processes including a determination process based on the component information, and The gist is to prepare.
  • the component mounting machine of the present disclosure it is possible to more accurately determine the out-of-parts of the component supply device.
  • FIG. 1 is an external perspective view of the component mounting system.
  • FIG. 2 is a schematic configuration diagram of a component mounting machine.
  • FIG. 3 is a side view of the mounting head.
  • FIG. 4 is a schematic configuration diagram of the feeder.
  • FIG. 5 is a partially enlarged view near the supply position of the feeder.
  • FIG. 6 is an external perspective view of the feeder stand.
  • FIG. 7 is a schematic configuration diagram of the feeder exchange robot.
  • FIG. 8 is a block diagram showing an electrical connection relationship of the component mounting system.
  • the left-right direction is the X-axis direction
  • the front-back direction is the Y-axis direction
  • the up-down direction is the Z-axis direction.
  • the component mounting system 10 includes a printing device 12, a printing inspection device 14, a plurality of component mounting machines 20, a mounting inspection device (not shown), a feeder replacement robot 50, and a feeder storage. It includes a storage 60 and a management device 80 that manages the entire system.
  • the printing device 12 is a device that prints solder on the substrate S.
  • the print inspection device 14 is a device that inspects the state of the solder printed by the printing device 12.
  • the component mounting machine 20 is a device that is aligned along the transport direction (X-axis direction) of the substrate S and mounts the components supplied from the feeder 30 on the substrate S.
  • the mounting inspection device is a device that inspects the mounting state of the components mounted by the component mounting machine 20.
  • the printing device 12, the printing inspection device 14, the component mounting machine 20, and the mounting inspection device are arranged side by side in the transport direction of the substrate S in this order to form a production line.
  • the feeder replacement robot 50 can move along the production line, and supplies the necessary feeders 30 to the plurality of component mounting machines 20 and collects the used feeders 30 from the component mounting machines 20.
  • the feeder storage 60 is incorporated in the production line and stores the feeder 30 scheduled to be used in the component mounting machine 20 and the used feeder 30.
  • the component mounting machine 20 includes a mounting machine main body 21 and a feeder 30 that can be attached to and detached from the mounting machine main body 21.
  • the mounting machine main body 21 includes a board transport device 22 that transports the board S, and a mounting head 25 that is fixed (mounted) on the slider 24 and takes out the components supplied to the component supply position by the feeder 30 and mounts them on the board S.
  • a head moving device 23 for moving the mounting head 25 in the front-rear direction and the left-right direction (XY direction) together with the slider 24, and a mounting control device 29 (see FIG. 8) are provided.
  • the board transfer device 22, the head moving device 23, and the mounting head 25 are arranged in a housing 21a provided on the base 21b.
  • the mounting head 25 includes a suction nozzle 25a that sucks the component P, and an elevating device (not shown) that raises and lowers the suction nozzle 25a by a ball screw mechanism, a linear motor, or the like.
  • the mounting machine main body 21 also includes a mark camera 26, a height sensor 27, a parts camera 28, and the like.
  • the mark camera 26 and the height sensor 27 are attached to the slider 24 and move in the XY directions by the head moving device 23.
  • the mark camera 26 and the height sensor 27 may be attached to the mounting head 25.
  • the mark camera 26 images the reference mark attached to the substrate S from above. This captured image is used to confirm the position of the substrate S carried into the machine by the substrate transport device 22 in the XY direction. Further, in the present embodiment, the mark camera 26 captures the component supply position of the feeder 30 from above. This captured image is used for confirming that the feeder 30 is out of parts by determining whether or not a component is shown in the captured image.
  • the height sensor 27 is a reflection type distance sensor (for example, a laser sensor or a photoelectric sensor) having a light projecting unit 27a that projects downward light and a light receiving unit 27b that receives reflected light.
  • the height sensor 27 is used to measure the height (position in the Z direction) of the surface of the substrate S. Further, in the present embodiment, the height sensor 27 is also used for confirming that the feeder 30 is out of parts by measuring the height of the feeder 30 at the component supply position. That is, when the height sensor 27 has a component at the component supply position, the height of the object is measured higher by the thickness of the component than when there is no component at the component supply position. Therefore, the presence or absence of parts in the parts supply device can be determined by using the measured value of the height sensor 27, and it is possible to confirm that the feeder 30 is out of parts.
  • the parts camera 28 is installed adjacent to the substrate transfer device 22, and when the suction nozzle 25a adsorbing the parts passes above the parts camera 28, the parts are imaged from below.
  • the captured image is used for determining a suction error in which a component is not adsorbed on the suction nozzle 25a, determining the amount of misalignment of a component adsorbed on the suction nozzle 25a, and the like.
  • the mounting control device 29 is composed of a well-known CPU, ROM, RAM, and the like.
  • the mounting control device 29 inputs an image signal from the mark camera 26 and the parts camera 28, a detection signal from the height sensor 27, and the like. Further, the mounting control device 29 outputs a drive signal to the board transfer device 22, the mounting head 25, the head moving device 23, and the like.
  • the feeder 30 is a rectangular cassette type tape feeder, which includes a tape reel 32, a tape feeding mechanism 33, a connector 35, a rail member 37, and a supply control device 39 (see FIG. 8). ) And.
  • the tape 31 is wound around the tape reel 32.
  • the tape 31 is formed with cavities 31a at predetermined intervals along the longitudinal direction thereof.
  • a component P is housed in each cavity 31a. These parts P are protected by a film covering the surface of the tape 31.
  • the tape feeding mechanism 33 pulls out the tape 31 from the tape reel 32 and feeds it to the component supply position, and is a sprocket provided with engaging claws on the outer periphery that engage with sprocket holes 31b provided at equal intervals in the tape 31. And a feed motor (not shown) that rotationally drives the sprocket.
  • the feeder 30 drives the sprocket by a predetermined rotation amount by a feed motor and feeds out the tape 31 engaged with the sprocket by a predetermined amount, thereby sequentially supplying the parts P housed in the tape 31 to the component supply position. do.
  • the parts housed in the tape 31 are exposed at the parts supply position by peeling the film before the parts supply position, and are sucked by the suction nozzle 25a.
  • Two positioning pins 34 projecting in the mounting direction are provided on both sides of the connector 35.
  • the rail member 37 is provided at the lower end of the feeder 30 and extends in the mounting direction.
  • the supply control device 39 is composed of a well-known CPU, ROM, RAM, etc., and outputs a drive signal to the tape feed mechanism 33 (feed motor). Further, the supply control device 39 can communicate with a control unit (mounting control device 29, management control device 81, etc.) to which the feeder 30 is attached via the connector 35.
  • the feeder 30 is detachably held on a feeder base 40 provided on the front surface of the housing 21a of the mounting machine main body 21.
  • a plurality of feeders 30 are attached to the feeder base 40 so as to be arranged in the X-axis direction.
  • the feeder table 40 is an L-shaped table in a side view, and includes a slot 42, two positioning holes 44, and a connector 45.
  • the rail member 37 of the feeder 30 is inserted into the slot 42.
  • Two positioning pins 34 of the feeder 30 are inserted into the two positioning holes 44, and the feeder 30 is positioned on the feeder base 40.
  • the connector 45 is provided between the two positioning holes 44 and is connected to the connector 35 of the feeder 30.
  • the feeder replacement robot 50 is provided on a guide rail 16 provided parallel to the substrate transport direction (X-axis direction) on the front surface of the plurality of component mounting machines 20 and the front surface of the feeder storage 60. It is possible to move along.
  • the feeder exchange robot 50 includes a robot moving mechanism 51, a feeder transfer mechanism 53, an encoder 57, and a robot control device 59.
  • the robot moving mechanism 51 moves the feeder exchange robot 50 along the guide rail 16.
  • the feeder transfer mechanism 53 transfers the feeder 30 between the component mounting machine 20 and the feeder storage 60.
  • the encoder 57 detects the moving position of the feeder exchange robot 50 in the left-right direction (X-axis direction).
  • the robot control device 59 is composed of a well-known CPU, ROM, RAM, etc., inputs a detection signal from the encoder 57, and outputs a drive signal to the robot movement mechanism 51 and the feeder transfer mechanism 53.
  • the feeder replacement robot 50 moves to a position facing the component mounting machine 20 and attaches / detaches the feeder 30 to / from the feeder base 40 of the component mounting machine 20. be able to.
  • a feeder base 40 having the same configuration as the feeder base 40 provided in the component mounting machine 20 is provided at the same height as the feeder base 40 of the component mounting machine 20. ing.
  • the feeder exchange robot 50 moves to a position facing the feeder storage 60 and attaches / detaches the feeder 30 to / from the feeder base 40 of the feeder storage 60. Can be done.
  • the feeder replacement robot 50 takes out the feeder 30 to be used stored in the feeder storage 60 and mounts it on the necessary component mounting machine 20, or the feeder 30 that has been used in the component mounting machine 20. It can be collected and stored in the feeder storage 60.
  • the management device 80 is a general-purpose computer, and as shown in FIG. 8, includes a management control device 81, an input device 84 such as a keyboard and a mouse, a display 86, and a storage device 88.
  • the management control device 81 is composed of a CPU, a ROM, a RAM, and the like, and the input device 84, the display 86, and the storage device 88 are electrically connected to each other.
  • the storage device 88 is an HDD or SSD, and stores production programs, feeder possession information, job information, status information, and the like.
  • the production program is a program that defines, in which component to be mounted on which board S, in what order, and how many boards S to be mounted in each component mounting machine 20. ..
  • the feeder holding information is information about the feeder 30 held by each component mounting machine 20 and the feeder storage 60.
  • the feeder possession information includes the slot number and feeder ID of the feeder stand 40 on which the feeder 30 is mounted, the type (part type) of the part possessed by the feeder 30, and the part shape (for example, a square tip). , Deformed parts with different shapes on the upper and lower surfaces, etc.), part sizes (x, y) (x is the horizontal width, y is the vertical width), the number of remaining parts M, and the like are included.
  • the job information is information related to mounting instructions for each component mounting machine 20.
  • the job information includes the type of suction nozzle 25a, the type and size of parts to be mounted, the mounting position, and the like.
  • the status information is information indicating the operating status of each component mounting machine 20, and includes statuses such as board loading, board unloading, production (including suction operation and mounting operation), and error stop. ..
  • the management device 80 is connected to the mounting control device 29 by wire so as to be able to communicate with each other, and exchanges various information with each component mounting machine 20.
  • the management device 80 receives the operation status from each component mounting machine 20 and updates the status information to the latest information.
  • the management device 80 is communicably connected to the supply control device 39 of the feeder 30 attached to the feeder base 40 of each component mounting machine 20 via the mounting control device 29.
  • the management device 80 receives the attachment / detachment status from the corresponding component mounting machine 20 when the feeder 30 is removed from the component mounting machine 20 or a new feeder 30 is attached to the component mounting machine 20, and the feeder possession information. Is updated to the latest information.
  • the management device 80 is wirelessly connected to the robot control device 59 so as to be able to communicate with the robot control device 59, and exchanges various information with the feeder exchange robot 50.
  • the management device 80 is communicably connected to each control device of the printing device 12, the printing inspection device 14, and the mounting inspection device, and exchanges various information from the corresponding devices.
  • the management device 80 determines whether or not a setup change has occurred based on the job information stored in the storage device 88 and the mounting status received from the mounting control device 29 of each component mounting machine 20, and the setup change has occurred. If it is determined, the setup change instruction is transmitted to the robot control device 59.
  • the management device 80 when the management device 80 receives the component shortage information indicating that the feeder 30 is out of parts from the mounting control device 29 of each component mounting machine 20, the management device 80 gives an instruction to collect the out-of-parts feeder 30 and replenish the new feeder 30. It is transmitted to the robot control device 59. Further, when the management device 80 receives the error information from the mounting control device 29, the management device 80 outputs to the display 86 that an error has occurred and notifies the operator.
  • FIG. 10 is a flowchart showing an example of a component mounting process executed by the CPU of the mounting control device 29 of each component mounting machine 20. This process is executed when an implementation instruction including job information is received from the management control device 81.
  • the mounting control device 29 first performs a suction operation of sucking the component P supplied from the feeder 30 to the suction nozzle 25a (S100).
  • the suction operation after controlling the head moving device 23 so that the suction nozzle 25a moves above the component supply position of the feeder 30, the lifting device is controlled so that the suction nozzle 25a descends, and the suction nozzle 25a shows the suction operation. It is performed by supplying negative pressure from a negative pressure source that does not.
  • the mounting control device 29 controls the head moving device 23 so that the suction nozzle 25a that has performed the suction operation moves upward of the parts camera 28 (S110), and performs imaging by the parts camera 28 (S120).
  • the mounting control device 29 performs image processing on the obtained captured image (S130) and determines whether or not a suction error has occurred (S140).
  • the image processing of S130 is performed by determining whether or not the component P can be recognized in the captured image by pattern matching or the like using the shape (shape data) of the lower surface of the component registered in advance.
  • the mounting error frequency N which will be described later, is initialized to a value 0 (S150), and the component P sucked by the suction nozzle 25a is placed at the mounting position of the substrate S.
  • the mounting operation for mounting on is performed (S160), and the component mounting process is completed.
  • the lifting device is controlled and sucking so that the suction nozzle 25a descends. This is done by releasing the supply of negative pressure to the nozzle 25a.
  • the mounting control device 29 determines whether or not the number of adsorption errors N is equal to or greater than the specified number of times Nref (for example, 5 times) (S170). When the mounting control device 29 determines that the number of suction mistakes N is less than the specified number of times Nref, the mounting control device 29 increments the number of suction mistakes N by a value of 1 (S180), returns to S100, and repeats the suction operation.
  • Nref for example, 5 times
  • the mounting control device 29 determines that the number of suction errors N is equal to or greater than the specified number of times, the mounting control device 29 acquires the remaining number of parts M of the feeder 30 for supplying the parts to the mounting head 25 where the suction mistakes have occurred from the management control device 81 ( S190), it is determined whether or not the acquired remaining number of parts M is less than a predetermined number Mref (S200).
  • This process is a process for determining whether or not the remaining number of parts M in management is low.
  • the predetermined number Mref is defined as, for example, 20, 30, 50, and the like.
  • the mounting control device 29 determines that the remaining number of parts M is less than the predetermined number Mref, the mounting control device 29 performs a parts shortage confirmation process described later (S210).
  • the remaining number of parts M of the feeder 30 is subtracted from the initial value according to the suction operation by the component mounting machine 20 by the operator operating the input device 84 and registering the initial value in advance. It is supposed to be updated. However, if the initial value input by the operator is incorrect or if the operator manually replaces the feeder 30 during production, the remaining number of parts M may not be the correct remaining number.
  • the adsorption control device 29 continuously causes suction errors for Nref or more a specified number of times and the remaining number of parts M in management is small, the parts of the feeder 30 are cut off by the parts shortage confirmation process. I tried to confirm.
  • the mounting control device 29 determines as a result of the component shortage confirmation process that no component shortage has occurred (“NO” in S220), the mounting error frequency N is initialized to a value 0 (S230), and the process returns to S100. Perform recovery processing.
  • the suction error is repeated more than the specified number of times Nref even though the parts have not been cut off, the tape feed of the feeder 30 is abnormal or the suction nozzle 25a is abnormal. It is determined that an abnormality in image processing has occurred, production is stopped, and the operator is notified that the abnormality has occurred.
  • the mounting control device 29 determines that a component shortage has occurred (“YES” in S220)
  • the mounting control device 29 manages the component shortage information indicating that the component shortage has occurred together with the feeder ID of the component shortage feeder 30. (S240) and wait.
  • the management control device 81 instructs the feeder replacement robot 50 to replace the feeder 30. That is, the management control device 81 collects the out-of-parts feeder 30 from the feeder base 40 of the component mounting machine 20 that has transmitted the out-of-parts information to the feeder replacement robot 50, and mounts the new feeder 30 on the feeder base 40. And instruct.
  • the mounting control device 29 determines that the replacement of the feeder 30 is completed (“YES” in S250), and initializes the number of adsorption mistakes N to a value of 0 (“YES” in S250). S230), return to S100, and resume production. If there is another feeder 30 that supplies the same type of parts, the mounting control device 29 basically does not wait for the feeder 30 to be replaced in order to prevent a decrease in production efficiency.
  • the component P supplied from the feeder 30 of the above is adsorbed.
  • the mounting control device 29 determines that a component has run out in S220, the mounting control device 29 performs a notification process to notify the fact, so that a person (worker) replaces the feeder 30 in place of the feeder replacement robot 50. You may try to do it.
  • the component mounting system 10 can support not only the feeder replacement robot 50 but also a mode in which a person replaces the feeder 30.
  • FIG. 11 is a flowchart showing an example of a component shortage confirmation process.
  • the mounting control device 29 first acquires the component size (x, y) and component shape of the component P that has been erroneously attracted from the management control device 81 (S300), and the component shape of the component P is a square chip. (S310), whether or not the width x of the component P is less than the predetermined value ⁇ , and whether or not the vertical width y of the component P is less than the predetermined value ⁇ (S320).
  • the mounting control device 29 determines that the component shape of the component P that has been mistakenly attracted in S310 is a square chip, and in S320, the width x of the component P is less than a predetermined value ⁇ or the vertical width y is less than a predetermined value ⁇ . If it is determined, the mark camera 26 is used to determine that the parts are out (S330), and the parts out confirmation process is completed. In the determination of out of parts using the mark camera 26, the head moving device 23 is controlled so that the mark camera 26 moves above the parts supply position of the feeder 30 to be determined, and then the parts supply position is imaged by the mark camera 26. This is performed by performing image processing on the obtained captured image and determining whether or not the component P is recognized in the captured image.
  • This image processing is performed, for example, by applying pattern matching using the shape (shape data) of the lower surface of the component registered in advance, as in the image processing of S130 described above.
  • the image of the component recognized in the captured image obtained by imaging the component supply position with the mark camera 26 is an image of the upper surface of the component. Therefore, it is difficult for the mounting control device 29 to recognize the irregularly shaped parts having different shapes on the upper surface and the lower surface by using the mark camera 26. Therefore, the mounting control device 29 uses the mark camera 26 to confirm that the component P that has been erroneously attracted has the same shape (front and back) on the upper surface and the lower surface (for example, a square chip). bottom.
  • the mounting control device 29 determines that the component shape of the component P that has been mistakenly attracted in S310 is a square chip, and in S320, the width x of the component P is a predetermined value ⁇ or more and the vertical width y is a predetermined value ⁇ or more. If it is determined, the height sensor 27 is used to determine that the parts are out (S340), and the parts out confirmation process is completed. The determination of the part shortage using the height sensor 27 is performed, for example, after controlling the head moving device 23 so that the height sensor 27 moves above the component supply position of the feeder 30 to be determined, and then downward from the light projecting unit 27a.
  • the mounting control device 29 determines that there is no component at the component supply position and the component is cut off. Then, if the height of the object is higher than the bottom surface of the cavity 31a by a predetermined value or more, it is determined that the component is present at the component supply position and the component is not out of stock.
  • the height sensor 27 is configured as a reflection type distance sensor (laser sensor or photoelectric sensor). Therefore, as shown in FIG.
  • the height sensor 27 determines the height of the surface outside the cavity 31a of the tape 31. There is a risk of erroneous determination of the presence or absence of parts at the parts supply position due to measurement. Therefore, in the mounting control device 29, when the size of the component P that has been erroneously attracted is relatively large, it is considered that the size of the cavity 31a accommodating the component P is also large. Make a confirmation. On the other hand, when the size of the component P that has been erroneously attracted is relatively small, the mounting control device 29 confirms that the component is out using the mark camera 26 as described above.
  • the irradiation light emitted from the light projecting portion 27a of the height sensor 27 to the upper surface of the parts may be diffused. Therefore, in the present embodiment, the feeder for supplying the deformed parts 30 parts are not confirmed to be out of stock.
  • the mounting control device 29 selects and executes the mark camera 26 (imaging device) and the height sensor 27 (sensor), whichever is suitable for checking the part out, based on the part shape and the part size. ..
  • the mark camera 26 and the height sensor 27 are usually used for confirming the position and height of the substrate S, it is not necessary to provide a dedicated sensor for confirming the out of parts.
  • the size of the detection target may be small, but it is desirable that the front and back sides of the detection target are the same, especially when pattern matching is used for image processing.
  • both the mark camera 26 and the height sensor 27 determine that the component shape is different.
  • an operator call is made (S350), and the parts out confirmation process is completed.
  • the operator who receives the operator call visually confirms whether or not the corresponding feeder 30 is out of parts, and inputs the presence or absence of the parts out to the corresponding component mounting machine 20 or the management device 80.
  • the feeder 30 corresponds to the "feeder”
  • the mounting head 25 corresponds to the "mounting head”
  • the mark camera 26 corresponds to the "imaging device”
  • the height sensor 27 corresponds to the "parts detection sensor”.
  • the mounting control device 29 corresponds to a “control device”.
  • the height sensor 27 (parts detection sensor) is configured as a reflection type detection sensor, but may be configured as a transmission type detection sensor.
  • the component detection sensor may be a contact type detection sensor having a contactor and detecting the object by bringing the contactor into contact with the object.
  • the mounting control device 29 makes an operator call for a special part (deformed part) for which it is considered difficult to confirm that the part is out of use by using either the mark camera 26 or the height sensor 27. I made it.
  • the mounting control device 29 may not make an operator call.
  • the mounting control device 29 may use the height sensor 27 to confirm that the deformed parts are out of parts.
  • the mounting control device 29 may omit the process of S310 in the component shortage confirmation process and select the process (S330, S340) to be executed based only on the component size.
  • the mounting control device 29 may select a process to be executed based on the type of the component P (for example, an IC component such as a capacitor, a resistor, or a BGA).
  • the mounting control device 29 uses either the mark camera 26 for checking the parts out (first determination process) or the height sensor 27 for checking the parts out (second determination process). It was decided to select and execute. However, when the mounting control device 29 executes both the confirmation of the out-of-parts using the mark camera 26 and the confirmation of the out-of-parts using the height sensor 27, and determines that there is no part in either of them, the mounting control device 29 determines that there is no part. It may be determined that a part has been cut off. Further, the mounting control device 29 may perform only one of the confirmation of the out-of-parts using the mark camera 26 and the confirmation of the out-of-parts using the height sensor 27.
  • the mounting control device 29 uses the mark camera 26 as an image pickup device to confirm that the feeder 30 is out of parts.
  • the imaging device may be any device as long as it can image the component supply position of the feeder 30. Further, the imaging device may be provided in addition to the mounting head 25 (slider 24).
  • the mounting control device 29 uses the height sensor 27 as the component detection sensor to confirm that the feeder 30 is out of parts.
  • the component detection sensor may be any sensor as long as it can detect the component at the component supply position.
  • the component detection sensor may be provided inside the feeder 30, for example, other than the mounting head 25 (slider 24).
  • the component mounting machine of the present disclosure is a component mounting machine that takes out the components supplied from the component supply device to the supply position by the mounting head and mounts them on the object, and images the supply position from above.
  • the presence / absence of parts at the supply position is detected by the first determination process for determining the presence / absence of parts of the parts supply device by determining the presence / absence of parts at the supply position based on the captured image and the parts detection sensor.
  • the component supply device includes, for example, a tape feeder that supplies a tape containing a plurality of components, a tray supply device that supplies a tray containing a plurality of components, and the like.
  • the component information may include the size of the component and / or the shape of the component. In this way, among a plurality of processes including the first determination process and the second determination process, a process more suitable for checking for out of parts can be applied.
  • the control device determines whether or not the component specified by the component information is out of parts of the feeder by both the first determination process and the second determination process.
  • the notification process may be performed as one of the plurality of processes. In this way, even special parts that are difficult to determine by the first determination process or the second determination process can be appropriately dealt with.
  • the predetermined determination condition may be a condition that is satisfied when a mistake in taking out a component by the mounting head continues to occur for a predetermined number of times. In this way, it is possible to prevent the production efficiency from being lowered because the determination of the presence or absence of missing parts is frequently executed.
  • the form is not limited to the form of the component mounting machine, but may be the form of the component mounting system.
  • the component mounting system of the present disclosure includes a component supply unit to which a feeder that supplies components to a supply position can be attached and detached, an image pickup device that can image the supply position from above, a component detection sensor that can detect components, and so on.
  • the feeder is obtained by acquiring component information about a component supplied by the feeder when a predetermined determination condition is satisfied, and determining the presence or absence of a component at the supply position based on an image captured by the imaging device.
  • a plurality of processes including a first determination process for determining the presence or absence of parts out of the feeder and a second determination process for determining the presence or absence of parts out of the feeder by detecting the presence or absence of parts at the supply position by the parts detection sensor.
  • a component shortage occurred in a plurality of component mounting machines each having a control device that selects and executes any of the above based on the component information, and a feeder mounted in one of the plurality of component mounting machines.
  • the gist is to provide a feeder exchange device for exchanging the feeder when it is determined to be.
  • the component mounting system of the present disclosure it is possible to automatically check for out-of-parts of the feeder and replace the out-of-parts feeder, and it is possible to reduce the burden on the operator.
  • the component mounting system of the present disclosure also functions effectively when the operator replaces the feeder.
  • the component mounting machine of the present disclosure may be configured as follows. That is, the second component mounting machine of the present disclosure is a component mounting machine that takes out the components supplied from the feeder to the supply position by the mounting head and mounts them on the object, and is capable of imaging the supply position from above. When a predetermined determination condition is satisfied with the device, the presence or absence of parts of the feeder is determined by determining the presence or absence of parts at the supply position based on an image captured by the imaging device of the supply position. The gist is to provide a control device.
  • the third component mounting machine of the present disclosure is a component mounting machine that takes out the components supplied from the feeder to the supply position by the mounting head and mounts them on the object, and includes a component detection sensor capable of detecting the components and a component detection sensor capable of detecting the components. It is a gist to include a control device for determining the presence or absence of parts of the feeder by detecting the presence or absence of parts at the supply position by the parts detection sensor when a predetermined determination condition is satisfied.
  • This disclosure can be used in the manufacturing industry of component mounting machines and component mounting systems.
  • 10 parts mounting system 12 printing equipment, 14 printing inspection equipment, 16 guide rails, 20 parts mounting machine, 21 mounting machine main body, 21a housing, 21b base, 22 board transfer device, 23 head moving device, 24 slider, 25 Mounting head, 26 mark camera, 27 height sensor, 27a floodlight, 27b light receiving part, 28 parts camera, 29 mounting control device, 30 feeder, 31 tape, 31a cavity, 31b sprocket hole, 32 tape reel, 33 tape feed Mechanism, 34 positioning pin, 35 connector, 37 rail member, 39 supply control device, 40 feeder stand, 42 slot, 44 positioning hole, 45 connector, 50 feeder replacement robot, 51 robot movement mechanism, 53 feeder transfer mechanism, 57 encoder , 59 robot control device, 60 feeder storage, 80 management device, 81 management control unit, 84 input device, 86 display, 88 storage device, 88a production program, 88b feeder possession information, 88c job information, S board, P parts.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Operations Research (AREA)
  • Supply And Installment Of Electrical Components (AREA)
PCT/JP2020/006872 2020-02-20 2020-02-20 部品実装機および部品実装システム Ceased WO2021166179A1 (ja)

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PCT/JP2020/006872 WO2021166179A1 (ja) 2020-02-20 2020-02-20 部品実装機および部品実装システム
JP2022501522A JP7440606B2 (ja) 2020-02-20 2020-02-20 部品実装機および部品実装システム
US17/904,340 US12052826B2 (en) 2020-02-20 2020-02-20 Component mounting machine and component mounting system
EP20919402.6A EP4110030A4 (en) 2020-02-20 2020-02-20 COMPONENT ASSEMBLY MACHINE AND COMPONENT ASSEMBLY SYSTEM
CN202080094568.8A CN115004878B (zh) 2020-02-20 2020-02-20 元件安装机以及元件安装系统

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JP7440606B2 (ja) 2024-02-28
EP4110030A4 (en) 2023-03-01
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JPWO2021166179A1 (https=) 2021-08-26
CN115004878A (zh) 2022-09-02
EP4110030A1 (en) 2022-12-28
US20230067782A1 (en) 2023-03-02

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