WO2015136662A1 - 実装ずれ修正装置および部品実装システム - Google Patents
実装ずれ修正装置および部品実装システム Download PDFInfo
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- WO2015136662A1 WO2015136662A1 PCT/JP2014/056657 JP2014056657W WO2015136662A1 WO 2015136662 A1 WO2015136662 A1 WO 2015136662A1 JP 2014056657 W JP2014056657 W JP 2014056657W WO 2015136662 A1 WO2015136662 A1 WO 2015136662A1
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- Prior art keywords
- mounting
- component
- contact
- mounted component
- mounting deviation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/0053—Arrangements for assisting the manual mounting of components, e.g. special tables or light spots indicating the place for mounting
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0404—Pick-and-place heads or apparatus, e.g. with jaws
- H05K13/0413—Pick-and-place heads or apparatus, e.g. with jaws with orientation of the component while holding it; Drive mechanisms for gripping tools, e.g. lifting, lowering or turning of gripping tools
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/081—Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines
- H05K13/0815—Controlling of component placement on the substrate during or after manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/53261—Means to align and advance work part
Definitions
- the present invention relates to a mounting misalignment correcting apparatus and a component mounting system for correcting mounting misalignment of a mounted component mounted on a substrate.
- Patent Document 1 includes a substrate transport unit that transports a substrate that has been determined to be defective to a correction position, and a correction head that is moved by an XY robot at the correction position to perform a correction operation.
- a technique in which a correction target component is sucked and removed from a substrate by a suction nozzle connected to a vacuum source while heating a connection terminal of the correction target component with a laser beam JP-A-5-235536
- the main object of the present invention is to provide a mounting misalignment correcting device that automatically corrects mounting misalignments of mounted components mounted on a board.
- the present invention adopts the following means in order to achieve the main object described above.
- the mounting deviation correcting device of the present invention is A mounting deviation correction device for correcting a mounting deviation of a mounted component mounted on a board, A contact holding member having a contact portion for contacting and holding the mounted component; Moving means for moving the contact holding member; Position information acquisition means for acquiring position information of a mounted component in which mounting displacement has occurred with respect to the substrate; Based on the acquired position information, a contact holding control for controlling the moving means so that the contact holding member moves until the contact part contacts and holds the mounted component in which the mounting deviation has occurred. Means, The movement so that the contact holding member moves in a direction in which mounting displacement of the mounted component is eliminated based on the acquired position information in a state where the contact portion holds and holds the mounted component. Mounting deviation correction control means for controlling the means; It is a summary to provide.
- the position information of the mounted component in which the mounting misalignment has occurred with respect to the substrate is acquired, and the mounted component in which the mounting misalignment has occurred is contacted based on the acquired position information.
- the contact holding member is moved until the contact is held, and the contact holding member is moved in a direction in which the mounting deviation of the mounted component is eliminated based on the position information acquired in a state where the contact portion holds and holds the mounted component. Move. Thereby, mounting deviation of the mounted components mounted on the substrate can be automatically corrected without removing the mounted components from the substrate.
- the contact portion has a contact surface constituted by a friction member, and the contact holding control means is configured so that the contact surface pushes the mounted component. It can also be a means for controlling the moving means.
- the contact surface pushes the mounted component means that the contact holding member is moved in a direction parallel to the substrate while the contact surface is in contact with the mounted component mounted on the substrate.
- the contact surface pushes the mounted component means that when the contact holding member is moved in a state where the contact surface is in contact with the mounted component, it is mounted in the same direction as the contact holding member.
- the contact surface can be pushed into the mounted component so as to obtain a frictional force enough to move the component.
- the contact surface can be moved a predetermined amount in a direction perpendicular to the substrate from the state in which the contact surface is in contact with the mounted component, and the pressing load on the contact surface is a predetermined load.
- the contact surface can be moved in a direction perpendicular to the substrate.
- the mounted component is a rectangular parallelepiped component
- the contact portion has a valley shape that can contact at least two opposite sides of the upper surface of the mounted component. It can also have a contact surface. In this way, it is possible to more reliably abut and hold the mounted component and correct the mounting deviation.
- a separation mechanism for separating the contact portion from the mounted component may be provided. If it carries out like this, after the contact holding member correct
- the mounting deviation correcting apparatus of the present invention further comprises a component information acquiring unit that acquires component information related to the shape of the mounted component, and the contact holding control unit is configured to perform the contact based on the acquired component information.
- the part may be a means for controlling the moving means so as to push in the mounted component. In this way, regardless of the shape of the mounted component, the mounted component can be pushed in by the contact portion of the contact holding member with an appropriate pressing force, and the mounted component can be more securely contacted and held. .
- the contact surface pushes in the mounted component can use the same aspects as the above-described aspects.
- the support member that supports the substrate at a predetermined position, and the acquired position information.
- Warning means for giving a predetermined warning when the mounting position of the specified mounted component is not within a predetermined range including the predetermined position may be provided.
- the moving unit in which the moving unit is controlled so that the abutting part pushes the mounted component based on the component information, the pushing amount detecting unit that detects the pushing amount of the abutting part, and the detection And an error information output means for outputting error information when the pushed amount exceeds a predetermined amount.
- the mounting deviation correcting device of the present invention may further comprise inspection means for inspecting the presence or absence of mounting deviation of the mounted component to be controlled after the control by the mounting deviation correction control means.
- the component mounting system of the present invention is A printing machine that prints solder on a board, a component mounting machine that mounts components on the board on which the solder is printed by the printing machine, and an inspection machine that inspects whether there is a mounting deviation of the parts mounted on the board;
- a component mounting system comprising a reflow furnace for performing soldering by heating the substrate after the inspection to melt the solder,
- the mounting deviation correction device according to any one of the above aspects of the present invention for correcting mounting deviation of a mounted component that has been determined that mounting deviation has occurred by the inspection machine, The gist of the mounting deviation correcting device is incorporated in the mounting line.
- the mounting deviation correcting device of the present invention is incorporated in a mounting line constituted by a printing machine, a component mounting machine, an inspection machine, and a reflow furnace.
- the deviation can be corrected efficiently.
- the mounting deviation correcting device may be incorporated as a single unit in the mounting line, or may be incorporated in another device in the mounting line. In the former case, the mounting deviation correction device corrects the mounting deviation of the mounted components that have been determined to have mounting deviations by the inspection machine. What is necessary is just to arrange
- the mounting misalignment correcting device may be incorporated in the inspection machine, or when an inspection function is added to one or a plurality of component mounting machines (the component mounting machine has a built-in inspection device). If it is, it may be incorporated into the component mounting machine.
- FIG. 4 is an explanatory diagram showing an electrical connection relationship among the control devices 3, 5, 70, 7 and the management device 80 of the screen printing machine 2, the component mounting machine 4, the mounting misalignment correcting machine 10, and the reflow furnace 6.
- FIG. 2 is a configuration diagram showing an outline of the configuration of a mounting deviation correcting machine 10. 4 is a block diagram illustrating details of an electrical connection relationship between a control device 70 and a management device 80 of the mounting deviation correcting machine 10.
- FIG. FIG. 2 is a configuration diagram showing an outline of a configuration of a head 50.
- 2 is a configuration diagram showing an outline of the configuration of a pad jig 51.
- FIG. 10 is an explanatory diagram illustrating an example of a warning area of a substrate 18. It is a block diagram which shows the outline of a structure of the pad jig
- FIG. 1 is a configuration diagram showing an outline of a configuration of a component mounting system 1 as an embodiment of the present invention.
- FIG. 2 shows each of a screen printing machine 2, a component mounting machine 4, a mounting misalignment correcting machine 10, and a reflow furnace 6.
- FIG. 3 is an explanatory diagram showing an electrical connection relationship between the control devices 3, 5, 70, and 7 and the management device 80
- FIG. 3 is a configuration diagram showing an outline of the configuration of the component mounting deviation correcting machine 10
- FIG. 4 is a block diagram illustrating details of an electrical connection relationship between a control device 70 and a management device 80 of the mounting deviation correcting machine 10.
- the left-right direction in FIG. 3 is the X-axis direction
- the front-rear direction is the Y-axis direction
- the up-down direction is the Z-axis direction.
- the component mounting system 1 pushes the solder on the screen into a pattern hole formed in the screen while rolling the solder on the screen by means of a squeegee, and thereby lowers the circuit board 18 (hereinafter referred to as the circuit board 18).
- substrate a plurality of screen printing machines 2 for printing a wiring pattern (solder surface S), a control device 3 for controlling the screen printing machine 2, and a board 18 printed by the screen printing machine 2.
- the mounting deviation correcting machine 10 that inspects whether there is a mounting deviation in C and corrects the mounting deviation of the component C, the control device 70 that controls the mounting deviation correcting machine 10, and the substrate 18 are heated.
- the reflow furnace 6 that melts the solder on the substrate 18 and solders, the control device 7 that controls the reflow furnace 6, and the control devices 3, 5, 70, and 7 that are communicably connected to each other and the component mounting system 1 And a management device 80 for managing the whole.
- the devices 2, 4, 10, and 6 are connected by an intermediate conveyor 8 so as to constitute one mounting line in the entire component mounting system 1.
- the mounting misalignment correcting machine 10 holds a substrate transport device 20 that transports the substrate 18, a backup device 30 that backs up the substrate 18 transported by the substrate transport device 20 from the back side, and a component C. Then, a head 50 for correcting the mounting deviation, an XY robot 40 for moving the head 50 in the XY direction, and a control device 70 (see FIG. 4) for controlling the entire mounting deviation correcting machine are provided.
- the apparatus 20, the backup apparatus 30, the head 50, and the XY robot 40 are accommodated in a main body frame 14 installed on the base 12.
- the substrate transfer device 20 is configured as a dual-lane transfer device provided with two substrate transfer paths, and is disposed on a support base 16 provided in the middle portion of the main body frame 14.
- Each substrate conveyance path is provided with a belt conveyor device 22, and the substrate 18 is conveyed from left to right (substrate conveyance direction) in FIG. 3 by driving the belt conveyor device 22.
- the backup device 30 includes a backup plate 32 that can be moved up and down by a lifting device (not shown), and a plurality of backup pins 34 that are erected on the backup plate 32, and a substrate is placed above the backup plate 32 by the substrate transfer device 20.
- the substrate 18 is backed up from the back side by raising the backup plate 32 in a state where the 18 is conveyed.
- the backup pin 34 is erected on the peripheral edge of the backup plate 32.
- the backup pin 34 is not limited to the one standing on the peripheral edge, and may be provided on the inner side of the peripheral edge as long as it does not interfere with the wiring pattern (solder surface) on the substrate 18.
- the XY robot 40 includes a Y-axis guide rail 46 provided in the upper stage portion of the main body frame 14 along the Y-axis direction, and a Y-axis slider capable of moving along the Y-axis guide rail 46. 48, an X-axis guide rail 42 provided along the X-axis direction on the lower surface of the Y-axis slider 48, and an X-axis slider 44 movable along the X-axis guide rail 42.
- a camera 60 for photographing the mounting surface of the substrate 18 backed up by the backup device 30 is provided on the lower surface of the X-axis slider 44.
- FIG. 5 is a configuration diagram showing an outline of the configuration of the head 50.
- the head 50 moves the pad jig 51 that holds and holds the component C, the jig holder 52 that holds the pad jig 51, and the jig holder 52 (pad jig 51) in the Z-axis direction.
- a Z-axis actuator 54 and a ⁇ -axis actuator 56 that rotates the jig holder 52 (pad jig 51) around the Z-axis are provided.
- FIG. 6 is a configuration diagram showing an outline of the configuration of the pad jig 51 provided in the head 50.
- 6A is a top view of the pad jig 51
- FIGS. 6B and 6C are side views of the pad jig 51.
- FIG. FIGS. 6B and 6C also show the part C held by the pad jig 51.
- the pad jig 51 has a contact surface 51 a that contacts (contacts) the component C mounted on the solder surface S of the substrate 18.
- the contact surface 51a of the pad jig 51 is formed as a flat surface, and the frictional force (maximum static friction coefficient) with the component C is sufficiently high with respect to the horizontal movement in a state in contact with the component C.
- the pad jig 51 is configured to be detachable from the jig holder 52 and is replaced with a suitable one according to the shape and material of the component C. Further, the pad jig 51 is formed with a blowing port 51b for blowing air downward at the center of the rotation axis.
- the jig holder 52 has an internal passage 52 a that communicates with an outlet 51 b formed at the pad jig 51 at the tip.
- a blower 58 is connected to the base end portion of the internal passage 52 a, and air can be blown out from a blowout port 51 a formed in the pad jig 51.
- control device 70 of the mounting deviation correcting machine 10 is configured as a microprocessor centered on a CPU 71.
- a ROM 72 that stores a processing program and an HDD 73 that stores various data.
- a RAM 74 used as a work area, and an input / output interface 75, which are electrically connected via a bus 76.
- the control device 70 includes a position signal from the X-axis position sensor 44a for detecting the position of the X-axis slider 44, a position signal from the Y-axis position sensor 48a for detecting the position of the Y-axis slider 48, a jig holder 52 (The position signal from the Z-axis position sensor 54a that detects the position of the pad jig 51) in the Z-axis direction, the load cell 55 that detects the load acting on the jig holder 52 (pad jig 51), and the imaging signal from the camera 60 Are input via the input / output interface 75.
- control device 70 a control signal to the substrate transfer device 20, a control signal to the backup device 30, a drive signal to the X-axis actuator 44b that moves the X-axis slider 44, and a Y-axis that moves the Y-axis slider 48.
- a drive signal to the actuator 48b, a drive signal to the blower 58, and the like are output via the input / output interface 75.
- the control device 70 is connected to the management device 80 so as to be capable of bidirectional communication, and exchanges data and control signals with each other.
- the management device 80 is, for example, a general-purpose computer. As shown in FIG. 4, the management device 80 is a microprocessor centered on the CPU 81, and includes a ROM 82 that stores a processing program, an HDD 83 that stores a production plan of the substrate 18, a RAM 84 that is used as a work area, an input / output An interface 85 is provided, and these are electrically connected via a bus 86. An input signal is input to the management device 80 from an input device 87 such as a mouse or a keyboard via an input / output interface 85, and an image signal to the display 88 is output from the management device 80 via the input / output interface 85. Has been.
- various types of information input as a production plan include production date and time, the number of boards 18 produced, parts information (for example, shape and size) related to the parts C to be mounted on the board 18, and parts C by the parts mounting machine 4.
- Such a production plan is input to the management device 80 by the operator operating the input device 87.
- the management device 80 acquires the input production plan, prints the wiring pattern (solder surface S) on the board 18 according to the acquired production plan, mounts the component C on the solder surface S, and checks the mounting deviation.
- Command signals and various types of information are output to the screen printing machine 2, the component mounting machine 4, the mounting misalignment correcting machine 10, and the reflow furnace 6, respectively, so that correction work and soldering are performed.
- FIGS. 7 and 8 are flowcharts illustrating an example of a mounting deviation correction processing routine executed by the control device 70 of the mounting deviation correcting machine 10. This processing is executed when the board 18 having the component C mounted on the solder surface S is conveyed by the board conveying device 20 by the component mounting machine 4.
- the mounting deviation correction processing routine will be described with reference to FIG.
- step S100 the CPU 71 of the control device 70 first inspects whether there is a mounting deviation in the component C mounted on the solder surface S of the substrate 18 by the component mounting machine 4.
- a deviation inspection process is performed (step S100).
- the processing in step S100 is performed by executing a mounting deviation inspection processing routine illustrated in FIG.
- the description of the mounting deviation correction processing routine is temporarily interrupted, and the mounting deviation inspection processing routine of FIG. 10 will be described.
- the CPU 71 of the control device 70 controls the XY robot 40 (the X-axis actuator 44b and the Y-axis actuator 48b) to display the camera 60 attached to the X-axis slider 44 on the substrate 18. After moving to a position facing the mounting area, the camera 60 is driven to image the mounting area of the substrate 18 (step S300). Subsequently, the CPU 71 of the control device 70 performs image processing on the captured image obtained by imaging, so that the mounting position P (for example, the center of the component C) of each component C mounted on the substrate 18 from the captured image is performed.
- the mounting position P for example, the center of the component C
- step S310 (Coordinates) and the rotation direction are recognized (step S310), and a positional deviation amount ⁇ P is calculated for each component C by comparing the recognized mounting position P with a reference position (previously stored correct mounting position) (
- step S320 the rotation direction amount ⁇ is calculated for each component C by comparing the recognized rotation direction with the reference direction (the correct rotation direction stored in advance) (step S330).
- the CPU 71 of the control device 70 determines whether the calculated positional deviation amount ⁇ P exceeds the threshold value Pref and the calculated rotational deviation amount ⁇ is the threshold value ⁇ ref. Is determined for each component C (step S340).
- the threshold value Pref and the threshold value ⁇ ref are values determined in advance as allowable ranges for the positional deviation and the rotational deviation of the component C, respectively. If the CPU 71 of the control device 70 determines that the positional deviation amount ⁇ P does not exceed the threshold value Pref and the rotational deviation amount ⁇ does not exceed the threshold value ⁇ ref, it is determined that there is no mounting deviation of the component C related to the determination. (Step S350), and the mounting misalignment inspection processing routine is completed.
- step S360 the component information of component C, the mounting position P, the positional deviation amount ⁇ P, and the rotational deviation amount ⁇ are stored in the RAM 74 in association with the board ID that is the identification information of the board 18. (Step S370), and the mounting deviation inspection processing routine is completed.
- the mounting position P, the positional deviation amount ⁇ P, and the rotational deviation amount ⁇ correspond to “position information” of the present invention.
- the CPU 71 of the control device 70 determines that there is no mounting deviation in any of the components C mounted on the board 18 as a result of the mounting deviation inspection processing. Then ("NO" in step S110), the mounting deviation correction processing routine is terminated. Thereby, the board
- FIG. 1
- step S110 determines that any of the components C mounted on the board 18 has a mounting shift (“YES” in step S110)
- the component C to be corrected that has been determined to have a mounting shift The component information of the target component, the mounting position P, the positional deviation amount ⁇ P, and the rotational deviation amount ⁇ are acquired (step S120), and it is determined whether or not the acquired mounting position P is within the warning area of the substrate 18 (step S120). Step S130). If the CPU 71 of the control device 70 determines that the mounting position P is within the warning area, it issues a predetermined warning (step S140), proceeds to the processing of step S150, and determines that the mounting position P is not within the warning area.
- step S140 is skipped and the process proceeds to step S150.
- the process of step S140 is performed when the control device 70 transmits a warning signal to the management device 80.
- the management device 80 that has received the warning signal displays a warning screen on the display 88.
- FIG. 11 is an explanatory diagram illustrating an example of a warning area. As described above, since the backup pins 34 that support the back surface of the substrate 18 are erected on the peripheral edge of the backup plate 32, the central portion of the substrate 18 that is not supported by the backup pins 34 (hatched area in FIG. 11). Is easier to bend with respect to the pushing in the Z-axis direction than the peripheral portion.
- the mounting displacement correction operation is performed by bringing the contact surface 51a of the pad jig 51 into contact with the component C to be corrected and moving the component C in the horizontal direction by the frictional force with the component C. Therefore, it is necessary to push the pad jig 51 into the component C with a relatively strong force. For this reason, if the pad jig 51 is pushed into the component C mounted near the center of the substrate 18 that is not supported by the backup pin 34 and the mounting displacement is corrected, the substrate 18 may bend or Depending on the situation, there is a possibility of damage.
- the warning is given because there is a possibility that the board 18 is bent or damaged due to the mounting misalignment correction work. This is to notify the worker in advance.
- the peripheral portion of the substrate 18 is supported by the backup pin 34, the central portion of the substrate 18 is used as a warning area, but the backup pin 34 supports the inside of the peripheral portion of the substrate 18. In this case, an area not supported by the backup pin 34 is a warning area.
- the warning is given to the operator, and then the mounting deviation correction process is advanced.
- the present invention is not limited, and after giving a warning, the mounting deviation correction process may be interrupted and the operator may be asked for permission to restart the mounting deviation correction process. Further, after the warning is given, the mounting misalignment correcting process may be terminated (the mounting misalignment correcting operation is not performed).
- the CPU 71 of the control device 70 controls the XY robot 40 (the X-axis actuator 44b and the Y-axis actuator 48b) so that the pad jig 51 moves directly above the mounting position P of the component C to be corrected (step). S150), the Z-axis actuator 54b is controlled to start the descent of the pad jig 51 (step S160, see FIG. 9A). Then, the CPU 71 of the control device 70 determines whether or not the contact surface 51a of the pad jig 51 has contacted the component C to be corrected (step S170). Note that whether or not the contact surface 51 a of the pad jig 51 has contacted the component C can be detected by the load cell 55.
- CPU71 of the control apparatus 70 will pad based on the components information (a shape, a magnitude
- a pressing amount E (for example, about 0.2 mm to 0.5 mm) of the jig 51 is set (step S180), and whether or not the pad jig 51 is further lowered to the pressing amount E set from the state in contact with the component C. Is determined (step S190).
- the pushing amount E is a value that can hold the component C by the pressing force when the component C is pushed by the pad jig 51 and does not scrape the solder surface S (do not push too much). For each shape and size, those obtained experimentally in advance are used.
- the CPU 71 of the control device 70 stops the lowering of the pad jig 51 (step S200). As a result, the component C is held in a state of being pressed by the pad jig 51 (see FIG. 9B).
- step S190 the amount of movement of the pad jig 51 after the contact surface 51a of the pad jig 51 contacts the component C is detected by the Z-axis position sensor 54a, and the detected amount of movement is the pushing amount. This can be done by determining whether or not E has been reached.
- the CPU 71 of the control device 70 causes the XY robot 40 (X-axis actuator) to horizontally move the pad jig 51 to a position where the positional deviation amount ⁇ P and the rotational deviation amount ⁇ are 0 respectively. 44b and the Y-axis actuator 48b) and the ⁇ -axis actuator 56 are controlled to correct the mounting deviation (see step S210, FIG. 9C).
- the control device 70 can move the component C in the same direction as the pad jig 51 by friction force by moving the pad jig 51 horizontally, and can correct the mounting deviation of the component C. it can.
- the CPU 71 of the control device 70 determines whether or not the horizontal movement of the pad jig 51 has been completed, that is, whether or not the mounting displacement correction work has been completed (step S220), and the mounting displacement correction work has been completed.
- the blower 58 is driven, air blowout from the blowout opening 51b of the pad jig 51 is started (step S230), and the pad jig 51 is raised by driving the Z-axis actuator 54b. (Step S240, see FIG. 9D). Accordingly, the pad jig 51 is smoothly separated from the component C by the wind pressure of the air, and it is possible to prevent the component C from being taken home after correcting the mounting deviation.
- the CPU 71 of the control device 70 determines whether or not the pad jig 51 has been raised by a predetermined amount by the Z-axis position sensor 54a (step S250). If it is determined that the air pressure has increased by a predetermined amount, the blowout of the air is stopped by stopping the drive of the blower 58 (step S260). Then, the CPU 71 of the control device 70 determines whether or not there is another part C to be corrected (step S270).
- step S120 If it is determined that there is another part C to be corrected, the process returns to step S120, and the next When the mounting deviation correction work for the correction target part C is repeated (steps S120 to S260) and it is determined that there is no other correction target part C, in order to check whether or not the mounting deviation correction work has been performed correctly, The mounting deviation inspection process in FIG. 10 is performed again (step S280). As a result of the mounting misalignment inspection process, when it is determined that there is no mounting misalignment in any of the components C mounted on the board 18 (“NO” in step S290), the mounting misalignment correction processing routine is terminated, and the component 18 mounted on the board 18 is completed.
- step S290 If it is determined that any component C has a mounting deviation (“YES” in step S290), an error is output (step S295), and the mounting deviation correction processing routine is terminated.
- the process of step S295 is performed when the control device 70 transmits an error signal to the management device 80.
- the management device 80 that has received the error signal displays an error screen on the display 88.
- the pad jig 51 is pushed into the component C by pushing the pad jig 51 into the component C.
- the component C is held by 51 and the pad jig 51 is moved in the horizontal direction in this state, so that the component C is moved by the frictional force with the component C to correct the mounting deviation.
- the mounting deviation of the component C can be automatically corrected with a simple configuration.
- the pressing amount E of the pad jig 51 is set based on the component information (shape, size, etc.) of the component C to be corrected, and the contact surface 51 a Since the pad jig 51 is lowered from the state in contact with the component C to the further set push-in amount E, the component C is held by an appropriate pressing force regardless of the shape and size of the component and the mounting deviation is corrected. be able to.
- the blower 58 is configured to form the air outlet 51b on the contact surface 51a of the pad jig 51 with the component C and complete the mounting misalignment correction work. Since the pad jig 51 is raised while air is blown out from the blowout opening 51b, the pad jig 51 can be separated from the component C by the wind pressure of the air, and the component C can be effectively taken home after the mounting displacement correction work. Can be deterred.
- the backup device 30 that backs up the back side of the substrate 18 by the backup pins 34 erected on the backup plate 32 is provided.
- a predetermined warning is given, so that the board 18 when the pad jig 51 is pushed into the component C and mounting displacement correction work is performed. It is possible to suppress the occurrence of bending and breakage in advance.
- the pad jig 51 is moved horizontally while the contact surface 51a is pushed into the component C, so that the component C is moved by frictional force to correct the mounting misalignment.
- the present invention is not limited to this, and a suction pump (vacuum pump) is formed in the contact surface of the pad jig and communicated with the suction port.
- a suction pump vacuum pump
- the suction pump is driven in this state, the component C is attracted to the contact surface, and the pad jig is moved horizontally while the component C is attracted, thereby moving the component C and correcting the mounting deviation. It may be a thing.
- the contact surface 51a of the pad jig 51 is formed as a flat surface.
- the present invention is not limited to this.
- a pad jig 151 having a V-shaped valley portion 151a that contacts two opposite sides of the upper surface of the component C may be used.
- the control device 70 determines the component C based on the mounting position P of the component C acquired in step S310 of the mounting displacement inspection processing routine of FIG.
- the pad jig 151 is moved directly above, and the direction of the two opposite sides of the component C and the direction in which the V-shaped groove of the valley portion 151a extends are matched based on the rotation direction of the component C obtained in step S310. Then, the pad jig 151 is rotated, and then the pad jig 151 is lowered until it contacts the component C. As shown in FIG. 13, the pad jig 151 can be used for holding a plurality of types of components C having different heights and widths as long as it is a substantially cubic component C.
- the valley 151a is not limited to a V shape, and may be an arch (arc) shape or a trapezoidal shape.
- the pad jig 151 is not limited to the one that contacts only two opposite sides of the upper surface of the component C, and has a shape (a quadrangular pyramid shape) that contacts all four sides or the three sides of the upper surface of the component C. It is good also as what makes it the shape which contact
- the component C is mounted in a state where the blowout port 51b is formed on the contact surface 51a of the pad jig 51 and the component C is held on the contact surface 51a of the pad jig 51. After correcting the displacement, the pad jig 51 is separated from the component C by blowing air from the blowout port 51b.
- the present invention is not limited to this.
- a cylinder that can advance and retract the rod downward from the contact surface is provided. After correcting the mounting displacement of the component C by horizontal movement of the pad jig, the cylinder is driven to bring the rod tip into contact with the component S.
- the pad jig may be separated from the component C by raising the pad jig (contact surface) while maintaining the contacted state.
- the weight member 251 b is provided so as to be relatively movable in the Z-axis direction with respect to the pad jig 251 a, thereby pressing the component C by the weight of the weight member 251 b, The pad jig 251a may be separated from the component C.
- the mounting misalignment correcting machine 10 of the present embodiment as shown in steps S160 to S200 of the mounting misalignment correcting process routine of FIG. 7, when the component C is held by the pad jig 51, a detection signal from the Z-axis position sensor 54a.
- the pad jig 51 is further lowered to the push-in amount E from the state in which the contact surface 51a is in contact with the component C using this, but the present invention is not limited to this, and a detection signal from the load cell 55 is used.
- the pad jig 51 may be pushed so that the pushing load on the component C becomes the predetermined load F.
- the CPU 71 of the control device 70 may execute the mounting deviation correction processing routine of FIG.
- the mounting misalignment correction processing routine of FIG. 15 differs from the mounting misalignment correction processing routine of FIG. 7 in that steps S130 and S140 are omitted and steps S400 to S420 are executed instead of steps S180 and S190.
- the CPU 71 of the control device 70 starts to lower the pad jig 51 in step S160, and determines that the contact surface 51a of the pad jig 51 has contacted the component C in step S170.
- the limit amount Z can be, for example, a value that is experimentally obtained in advance as the push amount of the pad jig 51 that causes the substrate 18 to bend.
- step S200 proceed to the processing after step S210, and if it is determined that the lowering amount of the pad jig 51 is equal to or greater than the limit value Z, it is determined that the substrate 18 may be bent or damaged, and an error occurs.
- An output is performed (step S420), and the mounting misalignment correction processing is terminated. Note that the process of step S420 is performed by the control device 70 transmitting an error signal to the management device 80.
- the management device 80 that has received the error signal displays an error screen on the display 88.
- the processes of steps S400 and S420 for outputting an error are executed. However, these processes may be omitted.
- the mounting misalignment correcting machine 10 of the present embodiment the presence of mounting misalignment of the mounted components mounted on the board 18 is inspected by the own machine, but the present invention is not limited to this.
- an inspection machine for inspecting the presence or absence of mounting misalignment may be separately arranged on the mounting line, that is, the mounting misalignment correcting machine 10 and the inspection machine may be individually arranged on the mounting line. 10 may be arranged alone and the inspection machine may be built in the component mounting machine 4, or the mounting misalignment correction machine 10 and the inspection machine may be built in the component mounting machine 4.
- a plurality of inspection machines may be provided for a plurality of component mounting machines 4 such as a component mounting machine 4, an inspection machine, a component mounting machine 4, an inspection machine, and the like.
- the mounting misalignment correcting machine 10 may be arranged on the downstream side of a plurality of inspection machines (a plurality of machines are arranged).
- the mounting deviation correcting machine 10 may be built in the component mounting machine 4.
- the component mounting machine 4 including the mounting deviation correcting machine 10 acquires the position information of the mounted component in which the mounting deviation has occurred from the inspection machine arranged on the upstream side, and based on the acquired position information. It is possible to correct mounting deviation of mounted parts.
- the mounting deviation correcting machine 10 may be arranged outside the mounting line.
- the mounting deviation correcting machine 10 corresponds to a “mounting deviation correcting machine”
- the pad jig 51 corresponds to a “contact holding member”
- the XY robot 40, the Z-axis actuator 54, and the ⁇ -axis actuator 56 are “moved”.
- the CPU 71 of the control device 70 that executes the processing of steps S100 to S120 of the mounting deviation correction processing routine of FIG. 7 and the mounting deviation inspection processing routine of FIG. 10 corresponds to “position information acquisition means”.
- the CPU 71 of the control device 70 that executes the processes of steps S150 to S200 of the mounting misalignment correction processing routine of FIG.
- step S210 of the mounting misalignment correction processing routine corresponds to the “contact holding control means” and executes the processing of step S210 of the mounting misalignment correction processing routine.
- 70 CPU 71 corresponds to “mounting deviation correction control means”.
- the blower 58, the internal passage 52a, and the outlet 51b correspond to a “separation mechanism”.
- the cylinder and the weight member 251b also correspond to a “separation mechanism”.
- the CPU 71 of the control device 70 that executes the process of step S120 of the mounting deviation correction processing routine of FIG. 7 corresponds to “component information acquisition means”.
- the backup device 30 corresponds to a “support member”, and the CPU 71 of the control device 70 that executes the processing of steps S130 and S140 of the mounting deviation correction processing routine corresponds to “warning means”.
- the Z-axis position detection sensor 54a corresponds to “push-in amount detection means”
- the processing in steps S400 and S420 of the mounting deviation correction processing routine in FIG. 15 corresponds to “error information output means”.
- the screen printing machine 2 corresponds to a “printing machine”
- the component mounting machine 4 corresponds to a “component mounting machine”
- the reflow furnace 6 corresponds to a “reflow furnace”.
- the present invention can be used in the manufacturing industry of mounting misalignment correction machines and component mounting systems.
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Abstract
Description
基板に実装された実装済み部品の実装ずれを修正する実装ずれ修正装置であって、
前記実装済み部品を当接保持する当接部を有する当接保持部材と、
前記当接保持部材を移動させる移動手段と、
前記基板に対して実装ずれが生じている実装済み部品の位置情報を取得する位置情報取得手段と、
前記取得された位置情報に基づいて、前記実装ずれが生じている実装済み部品を前記当接部が当接保持するまで前記当接保持部材が移動するよう前記移動手段を制御する当接保持制御手段と、
前記当接部が前記実装済み部品を当接保持した状態で、前記取得された位置情報に基づいて、前記実装済み部品の実装ずれが解消する方向に前記当接保持部材が移動するよう前記移動手段を制御する実装ずれ修正制御手段と、
を備えることを要旨とする。
基板にはんだを印刷する印刷機と、該印刷機によりはんだが印刷された基板に対して部品を実装する部品実装機と、前記基板に実装された部品の実装ずれの有無を検査する検査機と、検査後の基板を加熱することによりはんだを溶かしてはんだ付けを行なうリフロー炉とを備えて実装ラインを構成する部品実装システムであって、
前記検査機により実装ずれが生じていると判定された実装済み部品の実装ずれを修正する上述した各態様のいずれかの本発明の実装ずれ修正装置を備え、
前記実装ずれ修正装置は、前記実装ライン内に組み込まれてなる
ことを要旨とする。
Claims (9)
- 基板に実装された実装済み部品の実装ずれを修正する実装ずれ修正装置であって、
前記実装済み部品を当接保持する当接部を有する当接保持部材と、
前記当接保持部材を移動させる移動手段と、
前記基板に対して実装ずれが生じている実装済み部品の位置情報を取得する位置情報取得手段と、
前記取得された位置情報に基づいて、前記実装ずれが生じている実装済み部品を前記当接部が当接保持するまで前記当接保持部材が移動するよう前記移動手段を制御する当接保持制御手段と、
前記当接部が前記実装済み部品を当接保持した状態で、前記取得された位置情報に基づいて、前記実装済み部品の実装ずれが解消する方向に前記当接保持部材が移動するよう前記移動手段を制御する実装ずれ修正制御手段と、
を備えることを特徴とする実装ずれ修正装置。 - 請求項1記載の実装ずれ修正装置であって、
前記当接部は、摩擦部材により構成された当接面を有し、
前記当接保持制御手段は、前記当接面が前記実装済み部品を押し込むよう前記移動手段を制御する手段である
ことを特徴とする実装ずれ修正装置。 - 請求項1記載の実装ずれ修正装置であって、
前記実装済み部品は、直方体状の部品であり、
前記当接部は、前記実装済み部品の上面の相対する2辺と少なくとも当接可能な谷状の当接面を有する
ことを特徴とする実装ずれ修正装置。 - 請求項1ないし3いずれか1項に記載の実装ずれ修正装置であって、
前記当接部が前記実装済み部品を当接保持した状態で該実装済み部品の実装ずれが解消する方向に前記当接保持部材を移動させた後、前記実装済み部品から前記当接部を離間させる離間機構を備える
ことを特徴とする実装ずれ修正装置。 - 請求項1ないし4いずれか1項に記載の実装ずれ修正装置であって、
前記実装済み部品の形状に関する部品情報を取得する部品情報取得手段を備え、
前記当接保持制御手段は、前記取得された部品情報に基づいて前記当接部が前記実装済み部品を押し込むよう前記移動手段を制御する手段である
ことを特徴とする実装ずれ修正装置。 - 請求項5記載の実装ずれ修正装置であって、
前記基板を所定位置で支持する支持部材と、
前記取得された位置情報に基づき特定される実装済み部品の実装位置が前記所定位置を含む所定範囲内にない場合に所定の警告を行う警告手段と、
を備えることを特徴とする実装ずれ修正装置。 - 請求項5または6記載の実装ずれ修正装置であって、
前記当接部の押し込み量を検知する押し込み量検知手段と、
前記検知された押し込み量が所定量を超えた場合にエラー情報を出力するエラー情報出力手段と、
を備えることを特徴とする実装ずれ修正装置。 - 請求項1ないし7いずれか1項に記載の実装ずれ修正装置であって、
前記実装ずれ修正制御手段による制御の後、制御対象の前記実装済み部品の実装ずれの有無を検査する検査手段を備える
ことを特徴とする実装ずれ修正装置。 - 基板にはんだを印刷する印刷機と、該印刷機によりはんだが印刷された基板に対して部品を実装する部品実装機と、前記基板に実装された部品の実装ずれの有無を検査する検査機と、検査後の基板を加熱することによりはんだを溶かしてはんだ付けを行なうリフロー炉とを備えて実装ラインを構成する部品実装システムであって、
前記検査機により実装ずれが生じていると判定された実装済み部品の実装ずれを修正する請求項1ないし8いずれか1項に記載の実装ずれ修正装置を備え、
前記実装ずれ修正装置は、前記実装ライン内に組み込まれてなる
ことを特徴とする部品実装システム。
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US15/125,470 US10462948B2 (en) | 2014-03-13 | 2014-03-13 | Mounting deviation correction apparatus and component mounting system |
PCT/JP2014/056657 WO2015136662A1 (ja) | 2014-03-13 | 2014-03-13 | 実装ずれ修正装置および部品実装システム |
EP14885431.8A EP3119174B8 (en) | 2014-03-13 | 2014-03-13 | Mounting misalignment correction apparatus and component mounting system |
JP2016507199A JP6293866B2 (ja) | 2014-03-13 | 2014-03-13 | 実装ずれ修正装置および部品実装システム |
CN201480077027.9A CN106105414B (zh) | 2014-03-13 | 2014-03-13 | 安装偏差修正装置及元件安装*** |
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