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WO2025186877A1 - Système de montage de composants - Google Patents

Système de montage de composants

Info

Publication number
WO2025186877A1
WO2025186877A1 PCT/JP2024/008097 JP2024008097W WO2025186877A1 WO 2025186877 A1 WO2025186877 A1 WO 2025186877A1 JP 2024008097 W JP2024008097 W JP 2024008097W WO 2025186877 A1 WO2025186877 A1 WO 2025186877A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
determination
determination process
determines
mounting system
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.)
Pending
Application number
PCT/JP2024/008097
Other languages
English (en)
Japanese (ja)
Other versions
WO2025186877A8 (fr
Inventor
有城 神谷
裕高 平山
晴哉 坂口
雄飛 佐々
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/JP2024/008097 priority Critical patent/WO2025186877A1/fr
Publication of WO2025186877A1 publication Critical patent/WO2025186877A1/fr
Publication of WO2025186877A8 publication Critical patent/WO2025186877A8/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H05K13/02—Feeding of components

Definitions

  • This specification discloses a component mounting system.
  • component mounters have been proposed that determine whether a feeder is out of components (determine whether there are components in the feeder) when a pickup error occurs (see, for example, Patent Document 1).
  • this component mounter if the component shape is a square chip and the component size is less than a predetermined size, an image is taken with an imaging device and pattern matching is performed to determine whether the component is out of components.
  • this component mounter also detects the height of the feeder with an optical sensor that has a light-emitting element and a light-receiving element, and determines whether the component is out of components based on the detected height.
  • a component out-of-stock determination (determining whether a component is present in the feeder) is performed using a method that is based on the component shape and size, it may not be possible to accurately determine whether a component has run out in the feeder. For example, even if the component shape is something other than a square chip and the component size is larger than a specified size, if light is likely to be diffusely reflected on the surface of the feeder or component, the height measured by the optical sensor may be higher than the actual height even though there is no component in the feeder, resulting in a determination that there is a component; or, alternatively, the height measured by the optical sensor may be lower than the actual height even though there is a component in the feeder, resulting in a determination that there is no component.
  • the primary purpose of this disclosure is to further improve the accuracy of determining when a part is out of stock.
  • This disclosure takes the following measures to achieve the above-mentioned primary objective.
  • the component mounting system of the present disclosure includes: A component mounting system that picks up and mounts components supplied from a feeder to a supply position, an imaging device that images the supply position from above; a detection sensor capable of detecting a component at the supply position; a determination unit that determines whether the feeder is out of components using a determined determination process from among a plurality of determination processes, including a first determination process that determines whether or not a component is present at the supply position based on an image captured by the imaging device of the supply position during operation of the component mounting system, and a second determination process that determines whether or not a component is present at the supply position based on the presence or absence of detection by the detection sensor; and a determination unit that executes the first determination process before and after the removal of the part from the supply position, and if the determination result of the first determination process executed before the removal of the part is a determination result that the part is present and the result of the first determination process executed after the removal of the part is a determination result that the part is absent, determines that the first determination process
  • This component mounting system can further improve the accuracy of determining whether a component is out of stock.
  • FIG. 1 is a schematic configuration diagram of a component mounting system 10 including a component mounter 20.
  • FIG. FIG. 2 is a side view of the mounting head 25.
  • FIG. 2 is a partially enlarged view of the vicinity of the component supply position of the feeder 40.
  • FIG. 2 is a block diagram showing the electrical connections of the component mounting system 10.
  • 10 is a flowchart illustrating an example of a production process.
  • FIG. 10 is an explanatory diagram showing an example of a pre-production processing screen Sc.
  • 10 is a flowchart illustrating an example of a process for determining whether a component presence or absence is correct; 10 is a flowchart illustrating an example of a process for determining whether a part is out of stock; 10 is an explanatory diagram showing a component shortage determination means determined according to a combination of the component presence/absence determination result from the mark camera 26 and the component presence/absence determination result from the height sensor 27.
  • FIG. FIG. 10 is an explanatory diagram showing an example of a pre-production processing screen Sc after the out-of-parts determination means determination process is executed.
  • Figure 1 is a schematic diagram of a component mounting system 10 including a component mounter 20.
  • Figure 2 is a side view of the mounting head 25.
  • Figure 3 is an enlarged partial view of the feeder 40 near the component supply position.
  • Figure 4 is a block diagram showing the electrical connections of the component mounting system 10.
  • the left-right direction (X-axis), front-back direction (Y-axis), and up-down direction (Z-axis) are as shown in Figures 1 to 3.
  • the component mounting system 10 produces boards S on which components P are mounted.
  • the component mounting system 10 receives a supply of components P from a feeder 40 at each of multiple component mounters 20, and sequentially mounts the components P on the board S, producing boards S on which components P are mounted.
  • the component mounting system 10 includes a production line configured in this order along the board transport direction, including a printing device that prints solder on the board S, a print inspection device that inspects the condition of the solder printed by the printing device, a feeder storage facility that stores used feeders 40 and feeders 40 to be used, and multiple component mounters 20 and a mounting inspection device that inspects the mounting condition of the components P mounted by each component mounter 20.
  • the component mounting system 10 also includes a management device 80 that manages the entire production line.
  • the component mounting system 10 also includes an exchange robot (loader) that moves in front of the feeder storage and component mounter 20 along the transport direction of the board S and inserts and removes feeders 40 from the component mounter 20 and feeder storage in a direction perpendicular to the transport direction of the board S, thereby exchanging feeders 40 between the component mounter 20 and the feeder storage.
  • an exchange robot loader
  • the component mounter 20 comprises a mounter main body 21 and a feeder 40 that is detachable from the mounter main body 21.
  • the mounting machine main body 21 includes a substrate transport device 22 that transports the substrate S, a mounting head 25 that is fixed (mounted) to a slider 24 and picks up components P supplied to a component supply position by a feeder 40 and mounts them on the substrate S, a head moving device 23 that moves the mounting head 25 in the front-to-back and left-to-right directions (X and Y directions) together with the slider 24, and a mounting control device 30 (see Figure 4).
  • the substrate transport device 22, head moving device 23, and mounting head 25 are disposed within a housing 21a provided on a base 21b.
  • the mounting head 25 includes suction nozzles 25a that suction the components P.
  • the mounting head 25 is configured, for example, as a rotary head that is rotatable and includes a head main body that holds multiple suction nozzles 25a in the circumferential direction, and an elevating device that raises and lowers the suction nozzles 25a relative to the head main body.
  • a negative pressure source or a positive pressure source is selectively connected to each suction nozzle 25a via an electromagnetic valve (not shown).
  • the mounting machine main body 21 also includes a mark camera 26, a height sensor 27, a parts camera 28, and a side camera 29.
  • the mark camera 26 and height sensor 27 are attached to the underside of the slider 24 and moved in the X and Y directions by the head moving device 23. Note that the mark camera 26 and height sensor 27 may also be attached to the mounting head 25.
  • the mark camera 26 captures an image of the reference mark attached to the board S from above. This captured image is used to confirm the position of the board S brought into the machine by the board transport device 22. In this embodiment, the mark camera 26 also captures an image of the component supply position of the feeder 40 from above. This captured image is used to check whether the feeder 40 is out of components by determining whether or not a component P is visible in the captured image.
  • the height sensor 27 is a reflective distance sensor (e.g., a laser sensor or photoelectric sensor) having a light-emitting portion 27a that emits light downward and a light-receiving portion 27b that receives the reflected light.
  • the height sensor 27 is used to measure the height (position in the Z direction) of the surface of the board S.
  • the height sensor 27 is also used to check whether the feeder 40 is out of components by measuring the height of the surface (top surface) at the component supply position of the feeder 40. In other words, when a component P is present at the component supply position, the height sensor 27 measures the height of the object higher by the thickness of the component P compared to when the component P is not present at the component supply position. Therefore, the measurement value of the height sensor 27 can be used to determine whether the feeder 40 is out of components, making it possible to check whether the feeder 40 is out of components.
  • the part camera 28 is installed adjacent to the board transport device 22 and captures an image of the component P from below as the suction nozzle 25a that has picked up the component passes above the part camera 28.
  • the captured image is used to determine whether or not the component P has been successfully picked up by the suction nozzle 25a, and to determine the amount of positional deviation of the component P picked up by the suction nozzle 25a.
  • the side camera 29 is disposed on the mounting head 25 and captures an image of the tip of the suction nozzle 25a from the side after the suction operation.
  • the captured image is used to determine whether or not the component P has been successfully picked up by the suction nozzle 25a, and to determine the suction posture of the component P picked up by the suction nozzle 25a.
  • the mounting control device 30 is configured as a computer having a CPU 31, ROM 32, RAM 33, storage (e.g., HDD or SSD) 34, etc.
  • the mounting control device 30 inputs image signals from the mark camera 26, parts camera 28, and side camera 29, as well as detection signals from the height sensor 27.
  • the mounting control device 30 also outputs drive signals to the board transport device 22, head moving device 23, mounting head 25, mark camera 26, parts camera 28, side camera 29, etc.
  • the feeder 40 comprises a tape reel around which tape 41 is wound, a tape feeding mechanism 43 that pulls out the tape 41 from the tape reel and feeds it to the component supply position, a connector 45, and a supply control device 46.
  • the tape 41 has cavities 41a formed at predetermined intervals along its length that can accommodate components P. These components P are protected by a film covering the surface of the tape 41.
  • the feeder 40 feeds out the tape 41 at predetermined intervals and sequentially supplies the components P accommodated in the cavities 41a to the component supply position.
  • the film is peeled off from the components P accommodated on the tape 41 just before the component supply position, exposing them at the component supply position and allowing them to be sucked up by the suction nozzle 25a.
  • the supply control device 46 has a well-known CPU, ROM, RAM, etc., and outputs a drive signal to the tape feeding mechanism 43 (feed motor). Furthermore, when the feeder 40 is set in the mounting machine main body 21, the supply control device 46 is connected to the mounting control device 30 via the connector 45 so that they can communicate with each other.
  • the management device 80 is configured as a computer having a CPU 81, ROM 82, RAM 83, storage 84, etc.
  • the management device 80 is connected to an input device 88 such as a keyboard or mouse, and a display device 89 such as an LCD display or organic EL display.
  • the storage 84 stores a production program 85, feeder information 86, job information 87, etc.
  • the production program 85 determines which components P are to be mounted on which boards S in which order in each mounter 20, as well as how many boards S mounted in this manner are to be produced.
  • the feeder information 86 is information related to the feeders 40 held by each mounter 20.
  • the feeder information 86 includes the feeder ID, the type of components P held by the feeder 40 (component type), component shape (e.g., square chip), component size, and remaining component count. This information is registered in advance by the operator operating the input device 88.
  • Job information 87 is information regarding mounting instructions for each mounter 20. Job information includes the type of suction nozzle 25a to be used, the type and size of the component P to be mounted, and the mounting position of the component P. Job information 87 also includes information regarding the component out-of-stock determination means used when checking to see if the feeder 40 is out of components when the suction nozzle 25a fails to pick up the component P.
  • the management device 80 is communicatively connected to the mounting control device 30 and exchanges various information with each mounter 20.
  • the management device 80 is also communicatively connected to the feeder 40 (supply control device 46) set in the mounter main body 21 via each mounter 20 (mounting control device 30).
  • the management device 80 communicates with the supply control device 46 via the mounting control device 30 and obtains feeder information 86 corresponding to the feeder ID of the set feeder 40.
  • the management device 80 also receives input signals when the worker operates the input device 88 and outputs image signals to the display device 89.
  • FIG. 5 is a flowchart showing an example of production processing executed by the CPU 31 of the mounting control device 30 of each component mounter 20. This processing begins after receiving mounting instructions including a production program 85, feeder information 86, and job information 87 from the management device 80.
  • the CPU 31 of the mounting control device 30 first performs a suction operation to cause the suction nozzle 25a to pick up the component P supplied from the feeder 40 (S100). Specifically, the CPU 31 controls the head moving device 23 to move the suction nozzle 25a above the component supply position of the feeder 40, then controls the lifting device to lower the suction nozzle 25a and supplies negative pressure from the negative pressure source to the suction nozzle 25a. This causes the component P at the component supply position to be picked up by the suction nozzle 25a. Next, the CPU 31 controls the side camera 29 to capture a side image of the tip of the suction nozzle 25a after the suction operation and determines whether or not a component is present based on the captured image (S102).
  • the CPU 31 performs image processing and determines that the component is absent if the component P cannot be recognized in the side image by pattern matching using the pre-registered side shape (shape data) of the component side. However, it determines that the component is present if the component P is recognized in the side image. Next, the CPU 31 determines whether or not a component P is present in the side image (S104). If the CPU 31 determines that a component P is present in the side image, it determines that the pickup of the component P was successful and updates the remaining component count (S106). Specifically, the CPU 31 subtracts 1 from the remaining component count included in the feeder information 86 and sends an instruction to the management device 80 to update the remaining component count.
  • the management device 80 Upon receiving the update instruction, the management device 80 subtracts 1 from the remaining component count included in the feeder information 86 stored in the storage 84. The CPU 31 then determines whether or not the required number of components P have been picked up (S108). If the CPU 31 determines that the required number of components P have not been picked up, it returns to S100 and performs the pickup operation for the next component P. On the other hand, if the CPU 31 determines that the required number of components P have been picked up, it mounts the components P at their respective mounting positions on the board S (S110).
  • the CPU 31 controls the head moving device 23 so that the suction nozzle 25a that has picked up the component P moves to above the component mounting position on the board S, and then controls the lifting device so that the suction nozzle 25a moves down, while supplying positive pressure from the positive pressure source to the suction nozzle 25a. This causes the component P to be mounted on the board S. The CPU 31 then ends the production process.
  • the CPU 31 determines in S104 that there is no component P in the side image, it determines that the pickup of component P has failed and increments the value of counter (pickup failure counter) C by 1 (S112). Note that counter C counts the number of times component pickup has failed, and its initial value is 0. Next, the CPU 31 determines whether the value of counter C is equal to or greater than a specified number Cref (S114).
  • the specified number Cref is a value predetermined for each type of component P. If the CPU 31 determines that the value of counter C is less than the specified number Cref, it returns to S100 and re-executes the pickup operation of component P.
  • the CPU 31 determines that the value of counter C is equal to or greater than the specified number Cref, it performs a component out-of-stock determination process (S116 to S126). It may seem that it would be sufficient to simply refer to the remaining number of components included in the feeder information 86 to determine whether or not a component has run out in feeder 40. However, if an operator makes a mistake in entering the initial value for the remaining number of components when creating feeder information 86, or if the operator manually replaces a feeder 40 during production, the remaining number of components may not be accurate. Therefore, in this embodiment, the mounting control device 30 performs a component out-of-stock determination process when pickup errors occur consecutively a specified number of times Cref or more.
  • the out-of-component determination process is performed as follows. That is, the CPU 31 references the job information 87 and determines whether the out-of-component determination means to be used is the mark camera 26 (S116) and whether the height sensor 27 is (S118). If the CPU 31 determines that the out-of-component determination means to be used is neither the mark camera 26 nor the height sensor 27, it determines that the out-of-component determination means to be used is the number of remaining parts, and performs an out-of-component determination based on the number of remaining parts (S120).
  • the CPU 31 determines that an out-of-component has occurred if the number of remaining parts included in the feeder information 86 is 0, and determines that an out-of-component has not occurred if the number is greater than 0. The CPU 31 then proceeds to S128.
  • the CPU 31 determines in S118 that the component out-of-stock determination means to be used is not the mark camera 26 but the height sensor 27, it measures the height of the component supply position (cavity 41a) with the height sensor 27 and determines whether a component is present at the component supply position (cavity 41a) based on the measured height (S122).
  • the CPU 31 controls the head moving device 23 to move the height sensor 27 above the component supply position (cavity 41a) of the feeder 40 being determined, then measures the height of the surface of the component supply position by irradiating light downward from the light-emitting unit 27a and receiving the reflected light with the light-receiving unit 27b, and determines that no component P is present at the component supply position if the measured height corresponds to the height of the bottom surface of the cavity 41a, and determines that a component P is present at the component supply position if the measured height is higher than the bottom surface of the cavity 41a by a predetermined value or more.
  • the CPU 31 determines whether a part is out of stock based on the result of the part presence/absence determination (S126) and proceeds to S128.
  • the CPU 31 determines in S116 that the component out-of-stock determination means to be used is the mark camera 26, it controls the head moving device 23 to move the mark camera 26 above the component supply position of the feeder 40 being determined, then it captures a top-view image of the component supply position (cavity 41a) with the mark camera 26 and determines whether a component is present at the component supply position (cavity 41a) based on the captured image (S124). Specifically, the CPU 31 performs image processing on the top-view image, and determines that there is no component P at the component supply position (cavity 41a) if the component P cannot be recognized in the top-view image by pattern matching using the pre-registered top-view shape (shape data) of the component top surface.
  • the component P determines that there is a component P at the component supply position (cavity 41a).
  • the CPU 31 determines whether there is a component out-of-stock based on the result of the component presence/absence determination (S126) and proceeds to S128.
  • the CPU 31 determines whether a component has run out (S128). If the CPU 31 determines that a component has not run out, it determines that there have been repeated failures to pick up the component P even though the component P is present on the tape 41, reports an error (S130), and ends the production process. On the other hand, if the CPU 31 determines that a component has run out, it requests the replacement robot to replace the feeder 40 (S132), and ends the production process.
  • a component out-of-stock determination means included in job information 87 is used to determine whether a component is out of stock.
  • a default determination means is set for the component out-of-stock determination means depending on the combination of component shape and component size (horizontal and vertical dimensions). However, the default component out-of-stock determination means set depending on this combination may not be able to accurately determine whether a component has actually run out.
  • each component out-of-stock determination means can be confirmed by using each component out-of-stock determination means (remaining component count, mark camera 26, or height sensor 27) to determine whether or not a component is present at the component supply position (cavity 41a) before production processing or when production processing is interrupted.
  • the pre-production processing screen Sc includes an image capture button 90, a component presence/absence determination process start button 91, a component presence/absence determination success/failure determination process start button 92, a pull-down menu 93, and the like.
  • the imaging button 90 is a button that commands the taking of an image of the component supply position (cavity 41a).
  • the component presence/absence determination process start button 91 is a button that commands the start of component presence/absence determination process that determines whether or not a component P is present at the component supply position (current cavity 41a).
  • the component presence/absence determination process is, for example, the process of S122 or S124 of the production process shown in FIG. 5.
  • the component presence/absence determination correctness determination process start button 92 is a button that commands the start of the component presence/absence correctness determination process.
  • the pull-down menu 93 is a menu that presents options for the component out-of-component determination means used when performing the component presence/absence determination process and the component out-of-component determination means used when performing the component presence/absence correctness determination process. Options include default, mark camera, height sensor, and automatic determination.
  • the CPU 81 When the component presence/absence determination process start button 91 is operated with the default selected in the pull-down menu 93, the CPU 81 performs component presence/absence determination processing for the component supply position (current cavity 41a) using the default component out-of-component determination means. Also, when the component presence/absence determination process start button 91 is operated with the mark camera selected in the pull-down menu 93, the CPU 81 performs component presence/absence determination processing for the component supply position (current cavity 41a) using the mark camera 26. When the component presence/absence determination process start button 91 is operated with the height sensor selected in the pull-down menu 93, the CPU 81 performs component presence/absence determination processing for the component supply position (current cavity 41a) using the height sensor 27. When the component presence/absence determination process start button 91 is operated with the automatic determination selected in the pull-down menu 93, the CPU 81 performs component presence/absence determination processing for the component supply position (current cavity 41a) using both the mark camera 26 and the height sensor 27.
  • the CPU 81 executes a component presence determination process using the default component out-of-component determination means before and after the component pickup operation, and determines whether the determination results are normal or abnormal.Furthermore, when the start button 92 for determining whether or not a component is present is operated with the mark camera selected in the pull-down menu 93, the CPU 81 executes a component presence determination process using the mark camera 26 before and after the pickup operation, and determines whether the determination results are normal or abnormal.
  • the start button 92 for determining whether or not a component is present is operated with the height sensor selected in the pull-down menu 93
  • the CPU 81 executes a component presence determination process using the height sensor 27 before and after the pickup operation, and determines whether the determination results are normal or abnormal.
  • the CPU 81 executes component presence/absence determination processing using the mark camera 26 and height sensor 27 before and after the suction operation, and determines whether the determination results are success/failure.
  • the following describes the part presence/absence determination success/failure process when a part P is stored in the part supply position (cavity 41a), automatic determination is selected in the pull-down menu 93, and the operator operates the part presence/absence determination success/failure process start button 92.
  • the CPU 31 When the CPU 31 starts the component presence/absence determination process, it captures an image of the top surface of the component supply position (cavity 41a) using the mark camera 26, similar to S124 of the production process, and determines whether a component is present at the component supply position (cavity 41a) based on the captured image (S200). Next, similar to S122 of the production process, the CPU 31 measures the height of the component supply position (cavity 41a) using the height sensor 27, and determines whether a component is present at the component supply position (cavity 41a) based on the measured height (S202).
  • the CPU 31 performs a suction operation on the component P located at the component supply position (cavity 41a) using the suction nozzle 25a (S204). Then, similar to S102 of the production process, the CPU 31 captures a side image of the tip of the suction nozzle 25a that performed the suction operation using the side camera 29, and determines whether a component is present based on the captured image (S206). If the CPU 31 can recognize component P in the side image (if component P is present), it determines that pickup was successful; if it cannot recognize component P in the side image (if component P is not present), it determines that pickup was unsuccessful. Furthermore, if the CPU 31 determines that pickup was successful, it determines that component P was present in the component supply position (cavity 41a) before the pickup operation, but that component P was not present in the component supply position (cavity 41a) after the pickup operation.
  • CPU 31 determines whether the judgment result using the top image of mark camera 26 and the judgment result using the side image of side camera 29 both indicate a component presence judgment (S208). If CPU 31 determines that the judgment result using the top image of mark camera 26 and the judgment result using the side image of side camera 29 both indicate a component presence judgment, it determines that the component presence judgment using the top image of mark camera 26 is normal (S210). This is because if component P is present in the side image, it can be confirmed that component P was present at the component supply position (cavity 41a) before the suction operation.
  • the CPU 31 determines that the judgment result using the top image from the mark camera 26 is a judgment that a part is present and the judgment result using the side image from the side camera 29 is a judgment that a part is absent, or if the judgment result using the top image from the mark camera 26 is a judgment that a part is absent and the judgment result using the side image from the side camera 29 is a judgment that a part is present, or if the judgment result using the top image from the mark camera 26 is a judgment that a part is absent and the judgment result using the side image from the side camera 29 is a judgment that a part is absent, then the CPU 31 determines that the judgment of the presence or absence of a part using the top image from the mark camera 26 is abnormal (S212).
  • the CPU 31 determines whether the judgment result using the height measured by the height sensor 27 and the judgment result using the side image from the side camera 29 are both a part presence judgment (S214). If the CPU 31 determines that the judgment result using the height measured by the height sensor 27 and the judgment result using the side image from the side camera 29 are both a part presence judgment, it determines that the part presence judgment using the height measured by the height sensor 27 is normal (S216).
  • the CPU 31 determines that the determination result using the height measured by the height sensor 27 is a determination that a part is present and the determination result using the side image from the side camera 29 is a determination that a part is absent, or if the determination result using the height measured by the height sensor 27 is a determination that a part is absent and the determination result using the side image from the side camera 29 is a determination that a part is present, or if the determination result using the height measured by the height sensor 27 is a determination that a part is absent and the determination result using the side image from the side camera 29 is a determination that a part is absent, then the CPU 31 determines that the determination of the presence or absence of a part using the height measured by the height sensor 27 is abnormal (S218).
  • the CPU 31 captures an image of the top surface of the component supply position (cavity 41a) using the mark camera 26, as in S200, and determines whether a component is present at the component supply position (cavity 41a) after the suction operation based on the captured image (S220).
  • the CPU 31 measures the height of the component supply position (cavity 41a) using the height sensor 27, as in S202, and determines whether a component is present at the component supply position (cavity 41a) after the suction operation based on the measured height (S222).
  • the CPU 31 determines whether the determination result using the top surface image from the mark camera 26 is a component-absence determination and whether the determination result using the side image from the side camera 29 is a component-presence determination (S224). If the CPU 31 determines that the determination result using the top surface image from the mark camera 26 is a component-absence determination and that the determination result using the side image from the side camera 29 is a component-presence determination, it determines that the component-absence determination using the top surface image from the mark camera 26 is normal (S226). This is because if a component P is present in the side image, it can be confirmed that a component P is not present at the component supply position (cavity 41a) after the suction operation.
  • the CPU 31 determines that the judgment result using the top image of mark camera 26 is a component presence judgment and the judgment result using the side image of side camera 29 is a component absence judgment, or if the judgment result using the top image of mark camera 26 is a component presence judgment and the judgment result using the side image of side camera 29 is a component presence judgment, or if the judgment result using the top image of mark camera 26 is a component absence judgment and the judgment result using the side image of side camera 29 is a component absence judgment, then the CPU 31 determines that the component presence/absence judgment using the image captured by mark camera 26 is abnormal (S228).
  • the CPU 31 determines whether the judgment result using the height measured by the height sensor 27 is a judgment that no part is present and whether the judgment result using the side image from the side camera 29 is a judgment that a part is present (S230). If the CPU 31 determines that the judgment result using the height measured by the height sensor 27 is a judgment that no part is present and whether the judgment result using the side image from the side camera 29 is a judgment that a part is present, it determines that the judgment that no part was present using the height measured by the height sensor 27 is normal (S232).
  • the CPU 31 determines that the determination result using the height measured by the height sensor 27 is a determination that a part is present and the determination result using the side image from the side camera 29 is a determination that a part is absent, or if the determination result using the height measured by the height sensor 27 is a determination that a part is present and the determination result using the side image from the side camera 29 is a determination that a part is present, or if the determination result using the height measured by the height sensor 27 is a determination that a part is absent and the determination result using the side image from the side camera 29 is a determination that a part is absent, then the CPU 31 determines that the determination of the presence or absence of a part using the height measured by the height sensor 27 is abnormal (S234).
  • the CPU 31 transmits to the management device 80 top surface images before and after the suction operation, as well as success/failure information indicating whether the component presence/absence determination using the mark camera 26 and height sensor 27 was normal or abnormal (S236), and ends the component presence/absence determination success/failure determination process.
  • FIG. 8 is a flowchart showing an example of the out-of-component determination means selection process.
  • the CPU 81 of the management device 80 starts the out-of-component determination means selection process, it first determines whether the component presence determination and component absence determination using the top surface image of the mark camera 26 are normal (S300).
  • the CPU 81 determines whether the component presence determination and component absence determination using the top surface image of the mark camera 26 are normal (S302). If the CPU 81 determines that the component presence determination and component absence determination using the height measured by the height sensor 27 are normal, it selects the default out-of-component determination means as the out-of-component determination means (S304). On the other hand, if the CPU 81 determines that at least one of the component presence determination and component absence determination using the height measured by the height sensor 27 is abnormal, it selects the mark camera 26 as the component out-of-stock determination means (S306).
  • the CPU 81 determines in S300 that at least one of the component presence determination and component absence determination using the top image of the mark camera 26 is abnormal, it determines whether the component presence determination and component absence determination using the height measured by the height sensor 27 are normal (S308). If the CPU 81 determines that the component presence determination and component absence determination using the height measured by the height sensor 27 are normal, it selects the height sensor 27 as the component out-of-stock determination means (S310). On the other hand, if the CPU 31 determines that at least one of the component presence determination and component absence determination using the height measured by the height sensor 27 is abnormal, it selects the remaining number of components as the component out-of-stock determination means (S312). After S304, S306, S310, or S312, the CPU 31 ends the component out-of-stock determination means determination process.
  • the CPU 81 determines the default out-of-parts determination means as the out-of-parts determination means. Furthermore, if the mark camera 26 can correctly determine the presence or absence of parts but the height sensor 27 cannot, the CPU 31 determines the mark camera 26 as the out-of-parts determination means regardless of the default out-of-parts determination means. Furthermore, if the mark camera 26 cannot correctly determine the presence or absence of parts but the height sensor 27 can correctly determine the presence or absence of parts, the CPU 31 determines the height sensor 27 as the out-of-parts determination means regardless of the default out-of-parts determination means. Furthermore, if the presence or absence of parts cannot be correctly determined using both the mark camera 26 and the height sensor 27, the CPU 31 determines the remaining number of parts as the out-of-parts determination means.
  • the CPU 81 of the management device 80 When the CPU 81 of the management device 80 completes the out-of-stock determination means selection process, it displays a top surface image Im2 before the suction operation, a top surface image Im3 after the suction operation, and the out-of-stock determination means on the pre-production processing screen Sc, as shown in FIG. 10. Note that in FIG. 10, it is assumed that the worker operates the image capture button 90 before operating the component presence/absence determination success/failure process start button 92, and that a top surface image Im1 of the component supply position (cavity 41a) before the component presence/absence determination success/failure process is displayed. Furthermore, when the worker operates the input device 88 to create job information 87, the CPU 81 determines the out-of-stock determination means included in the job information 87 to be the out-of-stock determination means selected in the out-of-stock determination means selection process.
  • the component mounting system 10 creates job information 87 that reflects the results of the component presence/absence determination process.
  • a component out-of-stock determination means that can more reliably detect component out-of-stock status in the feeder 40 is set in the job information 87, improving the accuracy of component out-of-stock determination.
  • the component mounting system 10 displays the component out-of-stock determination means on the display device 89. As a result, the operator can easily determine the component out-of-stock determination means that is appropriate for determining whether the feeder 40 is out of stock.
  • the component mounting system 10 of this embodiment corresponds to the component mounting system of this disclosure
  • the mark camera 26 corresponds to the imaging device
  • the height sensor 27 corresponds to the detection sensor
  • the CPU 31 that executes the processes of S116, S118, S122, and S124 of the production process corresponds to the determination unit
  • the CPU 31 that executes the component presence/absence determination success/failure determination process corresponds to the decision unit.
  • the side camera 29 and the CPU 31 that executes the process of S206 of the component presence/absence determination success/failure determination process correspond to the success/failure determination unit.
  • the storage 84 that stores job information 87 including default component stock-out determination means corresponds to the memory unit.
  • the CPU 31 that executes the process of S106 of the production process corresponds to the remaining quantity management unit.
  • the CPU 81 of the management device 80 that displays the top surface image Im2 before the pickup operation and the top surface image Im3 after the pickup operation on the pre-production processing screen Sc corresponds to the display control unit.
  • the CPU 31 of the mounting control device 30 performed a component presence/absence determination process in which it determined whether the component presence/absence determination using the top-view images of the mark camera 26 before and after the pickup operation was normal or abnormal, based on whether the component P was included in the side image (S206-S212, S224-S228).
  • this determination result may also be input by the operator.
  • the CPU 31 may perform the following process instead of the processes of S206-S212 and S224-S228 in the component presence/absence determination process. That is, the CPU 31 displays the top-view images of the mark camera 26 before and after the pickup operation (S204) on the pre-production processing screen Sc.
  • the CPU 31 also displays on the pre-production processing screen Sc the results of component presence/absence determination based on the top surface images before and after the pickup operation (S204) (the determination results of S200 and S220), a Correct button that is operated when the worker looks at the top surface image and determines that the determination results are correct, and an Incorrect button that is operated when the worker looks at the top surface image and determines that the determination results are incorrect.
  • the CPU 31 determines whether each determination result is correct or incorrect depending on whether the Correct button or the Incorrect button was operated for each determination result.
  • the CPU 31 of the mounting control device 30 captured a side image of the tip of the suction nozzle 25a using the side camera 29 in S102 of the production process and S206 of the acceptability determination process, and determined whether or not a component is present based on the captured image.
  • the CPU 31 may replace at least one of these processes with a process in which an underside image is captured using the parts camera 28 and the presence or absence of a component is determined based on the captured image.
  • the CPU 31 may perform image processing on the underside image, and determine that a component is absent if the component P cannot be recognized in the underside image by pattern matching or the like using the underside shape (shape data) of the component underside that has been registered in advance, or determine that a component is present if the component P can be recognized in the underside image.
  • steps S200 to S236 of the component presence/absence determination process are executed by the CPU 31 of the mounting control device 30.
  • at least part of this process may also be executed by the CPU 81 of the management device 80.
  • the out-of-stock determination means when job information 87 is created is set to the out-of-stock determination means determined by the out-of-stock determination means determination process shown in FIG. 9.
  • job information 87 may also be configured so that the worker can set an out-of-stock determination means other than the determined out-of-stock determination means.
  • the out-of-component determination means selection process was executed by the CPU 81 of the management device 80.
  • the out-of-component determination means selection process may also be executed by the CPU 31 of the mounting control device 30.
  • the component mounting system disclosed herein, as detailed above, can improve the accuracy of component out-of-stock determination.
  • the determination unit may execute processing before the component mounting system begins operation.
  • This disclosure can be used in the component mounting system manufacturing industry, etc.
  • Component mounting system 20 Component mounting machine, 21 Mounting machine main body, 21a Housing, 21b Base, 22 Board transport device, 23 Head moving device, 24 Slider, 25 Mounting head, 25a Suction nozzle, 26 Mark camera, 27 Height sensor, 27a Light projecting unit, 27b Light receiving unit, 28 Parts camera, 29 Side camera, 30 Mounting control device, 31 CPU, 32 ROM, 33 RAM, 40 Feeder, 41 Tape, 41a Cabinet Tee, 43 Tape feed mechanism, 45 Connector, 46 Supply control device, 80 Management device, 81 CPU, 82 ROM, 83 RAM, 84 Storage, 85 Production program, 86 Feeder information, 87 Job information, 88 Input device, 89 Display device, 90 Imaging button, 91 Component presence/absence determination process start button, 92 Component presence/absence determination success/failure determination process start button, 93 Pull-down menu, P Component, S Board, Sc Pre-production processing screen.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Supply And Installment Of Electrical Components (AREA)

Abstract

L'invention concerne un système de montage de composant qui comprend une unité d'évaluation qui : exécute un premier traitement de détermination avant et après qu'un composant est retiré à une position d'alimentation ; détermine que le premier traitement de détermination peut être utilisé par une unité de détermination, si les résultats de détermination du premier traitement de détermination exécuté avant le retrait d'un composant sont des résultats de détermination indiquant qu'un composant est présent et si les résultats de détermination du premier traitement de détermination exécuté après le retrait du composant sont des résultats de détermination indiquant qu'un composant n'est pas présent ; exécute un second traitement de détermination avant et après le retrait du composant au niveau de la position d'alimentation ; détermine que le second traitement de détermination peut être utilisé par l'unité de détermination, si les résultats de détermination du second traitement de détermination exécuté avant le retrait du composant sont des résultats de détermination indiquant qu'un composant est présent et si les résultats du second traitement de détermination exécuté après le retrait du composant sont des résultats de détermination indiquant qu'un composant n'est pas présent ; et sur la base des résultats de détermination indiquant si l'utilisation est possible ou non, évalue le traitement de détermination à utiliser par l'unité de détermination.
PCT/JP2024/008097 2024-03-04 2024-03-04 Système de montage de composants Pending WO2025186877A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013243273A (ja) * 2012-05-22 2013-12-05 Fuji Mach Mfg Co Ltd 部品吸着動作監視装置及び部品有無検出装置
JP2019102650A (ja) * 2017-12-04 2019-06-24 パナソニックＩｐマネジメント株式会社 部品実装装置および実装基板の製造方法
WO2019142299A1 (fr) * 2018-01-18 2019-07-25 ヤマハ発動機株式会社 Dispositif de montage de composant et procédé de détermination de pénurie de composant
JP2021013040A (ja) * 2020-10-23 2021-02-04 ヤマハ発動機株式会社 部品実装装置
WO2021166179A1 (fr) * 2020-02-20 2021-08-26 株式会社Ｆｕｊｉ Machine de montage de composant et système de montage de composant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013243273A (ja) * 2012-05-22 2013-12-05 Fuji Mach Mfg Co Ltd 部品吸着動作監視装置及び部品有無検出装置
JP2019102650A (ja) * 2017-12-04 2019-06-24 パナソニックＩｐマネジメント株式会社 部品実装装置および実装基板の製造方法
WO2019142299A1 (fr) * 2018-01-18 2019-07-25 ヤマハ発動機株式会社 Dispositif de montage de composant et procédé de détermination de pénurie de composant
WO2021166179A1 (fr) * 2020-02-20 2021-08-26 株式会社Ｆｕｊｉ Machine de montage de composant et système de montage de composant
JP2021013040A (ja) * 2020-10-23 2021-02-04 ヤマハ発動機株式会社 部品実装装置

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