WO2012056617A1 - 電子部品実装用装置および電子部品実装用の作業実行方法 - Google Patents
電子部品実装用装置および電子部品実装用の作業実行方法 Download PDFInfo
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- WO2012056617A1 WO2012056617A1 PCT/JP2011/004240 JP2011004240W WO2012056617A1 WO 2012056617 A1 WO2012056617 A1 WO 2012056617A1 JP 2011004240 W JP2011004240 W JP 2011004240W WO 2012056617 A1 WO2012056617 A1 WO 2012056617A1
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- work
- height
- electronic component
- substrate
- component 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
- H05K13/0452—Mounting machines or lines comprising a plurality of tools for guiding different components to the same mounting place
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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
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/081—Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines
- H05K13/0812—Integration of optical monitoring devices in assembly lines; Processes using optical monitoring devices specially adapted for controlling devices or machines in assembly lines the monitoring devices being integrated in the mounting machine, e.g. for monitoring components, leads, component placement
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- 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
- H05K13/083—Quality monitoring using results from monitoring devices, e.g. feedback loops
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/81—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a bump connector
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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
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49128—Assembling formed circuit to base
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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
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
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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
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49904—Assembling a subassembly, then assembling with a second subassembly
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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
- Y10T29/53004—Means to assemble or disassemble with means to regulate operation by use of templet, tape, card or other replaceable information supply
- Y10T29/53009—Means to assemble or disassemble with means to regulate operation by use of templet, tape, card or other replaceable information supply with comparator
- Y10T29/53013—Computer input
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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
- Y10T29/53174—Means to fasten electrical component to wiring board, base, or substrate
-
- 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
- Y10T29/53174—Means to fasten electrical component to wiring board, base, or substrate
- Y10T29/53178—Chip component
Definitions
- the present invention relates to an electronic component mounting apparatus for performing an electronic component mounting operation on a board and an electronic component mounting operation execution method.
- An electronic component mounting line that mounts electronic components on a substrate to produce a mounting substrate mounts electronic components on a coating device that applies a viscous material such as paste or adhesive for bonding electronic components to the substrate, or on the substrate after coating
- a plurality of electronic component mounting apparatuses having different work functions such as a component mounting apparatus are connected to each other.
- Such an electronic component mounting apparatus is configured such that a component mounting operation or a viscous body is performed on a substrate by a work head such as a component mounting head or a coating head provided in each device while conveying the substrate from the upstream side to the downstream side.
- a predetermined electronic component mounting operation is performed for each device, such as a coating operation.
- the coating height between the coating nozzle and the substrate surface differs depending on the work site due to warpage deformation of the substrate, so that normal coating is performed.
- the amount and the coating shape cannot be ensured, which causes a mounting failure in the next process.
- the solder bumps are not properly soldered to the electrodes of the substrate, and bonding defects such as poor conduction and insufficient bonding strength Is likely to occur.
- a curved surface model is prepared in advance that approximates the shape of the substrate surface from the height measurement results of a plurality of measurement locations set on the substrate surface.
- a technique for obtaining and correcting the work height at the work position using this curved surface model when performing work is known (see, for example, Patent Document 1).
- the measurement location is located at a notch, etc. The increase or decrease of the general displacement amount is prevented from affecting the assumption of the curved surface model.
- the conventional technique for approximating the warpage deformation of the substrate surface with a curved surface model represented by a mathematical formula is due to the refinement of the accuracy level required for the electronic component to be worked,
- the curved surface model obtained by measuring the substrate surface in advance is only obtained by mathematical approximation, when applied to an actual substrate having local irregularities, depending on the work position, The correct work height is not shown, and good work quality cannot be ensured.
- an object of the present invention is to provide an electronic component mounting apparatus and a work execution method for mounting an electronic component that can achieve both improvement in work quality and productivity.
- An electronic component mounting apparatus is an electronic component mounting apparatus that performs a predetermined operation for mounting an electronic component for each electronic component on a board on which the electronic component is mounted.
- a work operation mechanism for performing the work by raising and lowering the work head with respect to a work position at which the work is performed on the substrate, and an arbitrary measurement of a height position of the upper surface of the substrate.
- a height measuring device for measuring at a point, work position information indicating position coordinates of the work position on the substrate for each individual work position, and height accuracy required for the lifting and lowering operation of the work head in the work Height accuracy classification information that is classified in accordance with the type of electronic component to be worked on in advance into the first classification of normal height accuracy and the second classification that requires high accuracy of accuracy.
- a work information storage unit for storing the adapted work data, and a work for reading the work data from the work information storage unit and controlling the work operation mechanism based on the work data, thereby causing the work head to perform the work.
- a control unit and when the electronic component to be worked belongs to the first section, the work control unit obtains a height obtained by targeting a plurality of height measurement points on the upper surface of the substrate.
- the work head is moved up and down based on the approximate work position height derived from the approximate curved surface of the upper surface of the substrate calculated using the measurement result, and the electronic component to be worked belongs to the second section. In the case, the work head is moved up and down based on the individual work position height obtained by measuring the substrate height individually by the height measurement device with respect to the work position. To control the work operation mechanism.
- a work head provided in a work operation mechanism is moved up and down with respect to a work position at which work is executed on the board for a board on which the electronic component is mounted.
- An electronic component mounting work execution method for executing a predetermined work for mounting electronic components for each electronic component, and for each individual work position, a work position indicating a position coordinate on the substrate of the work position Information and the height accuracy required for the lifting and lowering operation of the work head in the work are classified into a first section having a normal height precision and a second section requiring a high height precision.
- a work information storage step for storing work data in which height accuracy classification information divided according to the type of electronic component to be stored in advance is stored, and the stored work data is read out, based on the work data.
- a work execution step of performing the work of the work head by controlling the work operation mechanism, and in the work execution step, an electronic component to be worked belongs to the first category The work head based on the approximate work position height derived from the approximate curved surface of the upper surface of the substrate calculated using the height measurement results obtained for a plurality of height measurement points on the upper surface of the substrate
- the electronic component to be worked belongs to the second section, based on the individual work position height obtained by measuring the substrate height individually for the work position.
- the working head is raised and lowered.
- the height accuracy required for the lifting and lowering operation of the work head is divided into the first section having the normal height accuracy and the second section requiring the high height accuracy. If the electronic parts to be worked belong to the first division in the work execution process, the plurality of height accuracy division information divided according to the work data is stored in advance as work data.
- That accuracy can be performed the vertical movement to the working head in accordance with, it is possible to achieve both the improvement of productivity and working quality.
- the top view which shows the structure of the electronic component mounting line of one embodiment of this invention Explanatory drawing (a)-(c) of a structure and function of the apparatus for electronic component mounting of one embodiment of this invention Explanatory drawing (a)-(d) of a structure and function of the apparatus for electronic component mounting of one embodiment of this invention
- the block diagram which shows the structure of the control system of the electronic component mounting line of one embodiment of this invention
- the figure which shows the data content of the work data used in the electronic component mounting apparatus of one embodiment of this invention
- the flowchart which shows the operation
- the electronic component mounting line 1 is configured by connecting a plurality of electronic component mounting devices (M1, M2, M3) in series. These devices have a function of executing a predetermined operation for mounting electronic components for each electronic component on a board on which the electronic components are mounted, and are controlled by the management computer 30 (see FIG. 4).
- the component mounting work is sequentially executed by each device with respect to the same substrate 3.
- the substrate 3 on which the soldering paste is printed by the upstream device is carried into the inspection measurement / coating device M1 located on the most upstream side (left end side in the drawing), and the electronic component mounting is performed.
- the substrate 3 is of a type that is likely to be warped and deformed, such as a thin resin substrate.
- the inspection / measuring / coating apparatus M1 includes a resin coating unit 8 that performs a resin adhesive coating operation on the substrate 3 on which solder solder cream solder is printed in the upstream apparatus, and an inspection operation and a work target before and after the application.
- the inspection and measurement unit 6 that measures the height of the upper surface of the substrate 3 is arranged so as to face the substrate conveyance mechanism 2.
- the inspection measurement / coating apparatus M1 is provided with a Y-axis movement table 4 and two X-axis movement tables 5 that are movable in the Y direction by the Y-axis movement table 4, as shown in FIG.
- An inspection measurement head 7 is attached to the X axis movement table 5 on the inspection measurement unit 6 side, and an application head 9 is attached to the X axis movement table 5 on the resin application unit 8 side.
- an inspection imaging camera 20 and a height measuring device 21 such as a laser displacement meter are mounted on the holding plate 7a of the inspection / measuring head 7, and the Y-axis moving table 4, X
- the imaging camera 20 and the height measuring instrument 21 advance to an arbitrary position above the substrate 3.
- the imaging camera 20 images the recognition position PR of an arbitrary inspection target on the upper surface of the substrate 3.
- inspection is performed by recognizing this imaging result.
- the height measuring device 21 is located above an arbitrary height measuring point PH set on the upper surface of the substrate 3 and measures the height of the height measuring point PH.
- height measurement data indicating the height of the upper surface of the substrate 3 is acquired.
- the Y-axis movement table 4, the X-axis movement table 5, the imaging camera 20, and the height measuring device 21 constitute an inspection measurement mechanism 44 (see FIG. 4).
- the inspection measurement unit 6 arranged in the inspection measurement / coating apparatus M1 is a height provided in the electronic component mounting apparatus located at the most upstream among the plurality of electronic component mounting apparatuses constituting the electronic component mounting line 1. It is a measuring device. In the work method for mounting electronic components shown in this embodiment, the height measurement is performed on a plurality of height measurement points on the upper surface of the substrate 3 that are likely to be warped and deformed by the height measurement device. An approximate curved surface that approximately represents the warped deformation shape of the upper surface of the substrate 3 is calculated using the height measurement result (see FIGS. 8A and 8B).
- the work position height of the substrate 3 at the work position is approximately derived based on the approximate curved surface, and the approximate work position height is obtained. Based on this, the working head is raised and lowered.
- a dispenser 22 is held up and down on the holding plate 9a of the application head 9, and the dispenser 22 is a resin adhesive for joining electronic components from an application nozzle 22a attached to the lower part. 14 is discharged.
- the coating head 9 moves to an arbitrary position on the substrate 3, where the coating nozzle 22a is lowered to discharge the resin adhesive 14 for fixing the electronic components.
- the resin adhesive 14 is applied to the application position PD on the substrate 3.
- the Y-axis movement table 4, the X-axis movement table 5, and the dispenser 22 constitute an application mechanism 45 (see FIG. 4).
- the component mounting apparatuses M2 and M3 have a configuration in which two component mounting portions 10 are arranged to face each other with the substrate transport mechanism 2 interposed therebetween.
- It has a function of measuring the height of the upper surface of the substrate 3 to be worked.
- Each of the component mounting apparatuses M2 and M3 is provided with a Y-axis movement table 4 and two X-axis movement tables 5 that are movable in the Y direction by the Y-axis movement table 4, as shown in FIG.
- the mounting head 13 is mounted on each X-axis moving table 5.
- component supply units 11 are disposed corresponding to the respective mounting heads 13, and a plurality of tape feeders 12 are held in parallel on the carriage 15 in the component supply unit 11. Is arranged in.
- a supply reel 16 for winding and storing the carrier tape 17 is mounted on the carriage 15 for each tape feeder 12, and the carrier tape 17 pulled out from the supply reel 16 is picked up by the mounting head 13 by each tape feeder 12. Sent to.
- the mounting head 13 is a multiple head having a configuration in which a plurality of unit transfer heads 23 are held by a holding plate 13a, and a suction nozzle 23a that holds and holds the electronic component 18 at the lower end of each unit transfer head 23. Is installed.
- the mounting head 13 takes out the electronic component from the tape feeder 12.
- the mounting head 13 is moved above the substrate 3 by driving the Y-axis moving table 4 and the X-axis moving table 5, and the suction nozzle 23a is lowered here, so that FIG.
- the held electronic component 18 is mounted at the component mounting position PM set on the substrate 3.
- the Y-axis movement table 4, the X-axis movement table 5, and the mounting head 13 constitute a component mounting mechanism 54 (see FIG. 4).
- a substrate recognition camera 24 and a height measuring instrument 25 such as a laser displacement meter are disposed below the holding plate 13 a so as to be movable integrally with the mounting head 13, located on the lower surface side of the X-axis moving table 5. ing. As shown in FIG. 3D, the board recognition camera 24 moves the board recognition camera 24 and the height measuring instrument 25 to an arbitrary position above the board 3 so that the board recognition camera 24 sets an arbitrary recognition position PR on the upper surface of the board 3. The position of the recognition position PR is recognized by picking up an image and performing recognition processing on the image pickup result.
- the height measuring instrument 25 measures the height of the height measuring point PH at an arbitrary height measuring point PH set on the upper surface of the substrate 3. Thereby, height measurement data indicating the height of the upper surface of the substrate 3 is acquired.
- the inspection measurement / coating apparatus M1, the component mounting apparatuses M2, M3 are connected to the management computer 30 via the LAN system 26, and the inspection measurement / coating apparatus M1, the component mounting apparatuses M2, M3 are connected.
- the management computer 30 includes a line control unit 31, a storage unit 32, and a communication unit 33, and the line control unit 31 performs overall management of work operations performed by each device on the electronic component mounting line 1.
- the storage unit 32 stores inspection measurement work data 32a, application work data 32b, mounting work data 32c, and height measurement data 32d.
- the communication unit 33 is connected to other devices via the LAN system 26, and exchanges the above-described data and the like with these other devices.
- the inspection measurement / application device M1 includes an inspection measurement control unit 40, an application control unit 41, a storage unit 42, a communication unit 43, an inspection measurement mechanism 44, an application mechanism 45, and a mechanism drive unit 46.
- the inspection measurement control unit 40 drives the inspection measurement mechanism 44 by controlling the mechanism driving unit 46. Thereby, the inspection operation for imaging the recognition position PR of the substrate 3 by the imaging camera 20 and the measurement operation for measuring the height of the height measurement point PH of the substrate 3 by the height measuring device 21 are executed.
- the application control unit 41 drives the application mechanism 45 by controlling the mechanism driving unit 46. Thereby, the application
- the storage unit 42 stores inspection measurement work data 42a, application work data 42b, and height measurement data 42c.
- the inspection measurement work data 42a is work data for executing an inspection operation by the imaging camera 20 and a measurement operation by the height measuring device 21, and a work position to be subjected to inspection or measurement is specified by this.
- the application work data 42b is work data for executing the application operation by the dispenser 22, and the items necessary for executing the application operation such as the application operation position and the application amount to be applied by the application operation are specified.
- the height measurement data 42c includes data indicating an approximate curved surface calculated from the height measurement result.
- the communication unit 43 is connected to other devices via the LAN system 26, and exchanges the above-described data and the like with these other devices.
- Data having the same contents as the inspection measurement work data 32a and the application work data 32b stored in the storage unit 32 of the management computer 30 are sent to the inspection measurement / coating apparatus M1 via the communication unit 43 and the LAN system 26, and the inspection measurement.
- the work data 42a and the application work data 42b are stored in the storage unit 42.
- the height measurement data 42c acquired by the inspection measurement / coating apparatus M1 is transmitted to the management computer 30 via the LAN system 26, and stored in the storage unit 32 as height measurement data 32d. Note that the height measurement data 42c may be transmitted from the inspection measurement / coating apparatus M1 to the component mounting apparatus M2 and stored in the storage unit 32 without using the management computer 30.
- the component mounting apparatuses M2 and M3 include a mounting control unit 50, a storage unit 51, a mechanism driving unit 52, a communication unit 53, and a component mounting mechanism 54.
- the mounting control unit 50 controls work operations by the mounting head 13, that is, component mounting operations by the unit transfer heads 23 of the mounting head 13, substrate recognition by the substrate recognition camera 24 and the height measuring instrument 25, and height measurement operations.
- the storage unit 51 stores mounting work data 51a, measurement work data 51b, and height measurement data 51c.
- the mounting work data 51a is work data for executing a component mounting operation by the unit transfer head 23, and this defines the mounting work position to be mounted by the component, the type of electronic component to be mounted, and the like.
- the measurement work data 51b is work data for executing a measurement operation by the height measuring instrument 25.
- the height measurement data 51c includes the height measurement result acquired by the inspection measurement / coating apparatus M1, the data indicating the approximate curved surface calculated from the height measurement result, and the height acquired by the component mounting apparatuses M2 and M3. Data indicating the measurement result is included.
- the mechanism driving unit 52 is controlled by the mounting control unit 50 to drive the component mounting mechanism 54.
- the communication unit 53 is connected to other devices via the LAN system 26, and exchanges the above-described data and the like with these other devices.
- the coating head 9 in the inspection / measuring / coating apparatus M1 and the mounting head 13 in the component mounting apparatuses M2 and M3 are work heads for performing predetermined work (resin coating work and component mounting work) for mounting electronic components.
- the application mechanism 45 and the component mounting mechanism 54 are work operation mechanisms that perform work by moving these work heads up and down relative to the work position at which work is performed on the substrate 3.
- work data used in the electronic component mounting apparatus shown in the present embodiment that is, by the coating mechanism 45 in the inspection measurement / coating apparatus M1.
- the application work data 32b and 42b used for the application work operation and the mounting work data 32c and 51a stored in the storage unit 32 and the storage unit 51 are used for the component mounting operation by the component mounting mechanism 54 in the component mounting apparatuses M2 and M3. The configuration will be described.
- the work data includes work position coordinates in work position number 60 for individually specifying work positions such as a resin application position and a component mounting position where work is performed on one substrate 3 to be worked.
- 61 a data type in which a component type 62 and a height accuracy section 63 are associated with each other.
- the work position coordinates 61 are work position information indicating the XY position coordinates of the work position number 60 on the substrate 3, and thereby the position on the substrate 3 to be worked is specified.
- a feature point that can specify the position of the electronic component to be mounted on the substrate 3 such as a component center point or a specific corner point of the electronic component can be selected.
- the component type 62 indicates the type of electronic component corresponding to the work position, and the height accuracy section 63 is required when performing work by the work head on the electronic component specified by the component type 62.
- the division of the height accuracy that is, the stop target position accuracy when the work head is lowered, is divided into the first division (1) and the second division (2). That is, in the height accuracy section 63, the height accuracy required for the lifting and lowering operation of the work head in the work is required for the first section (1) having the normal height accuracy and the high height accuracy.
- the second classification (2) is height accuracy classification information that is classified according to the type of electronic component to be worked.
- the unit 5 is configured in advance by associating the height accuracy classification information with the above-described work position information, and is stored in the storage unit 42 in the inspection measurement / coating apparatus M1 and in the component mounting apparatuses M2 and M3.
- the unit 51 is a work information storage unit that stores these work data.
- the application control unit 41 reads the application work data 42b from the storage unit 42, which is a work information storage unit, and controls the application mechanism 45, which is a work operation mechanism, based on the application work data 42b.
- the resin coating operation is executed by the coating head 9 including the dispenser 22.
- the mounting control unit 50 reads the mounting work data 51a from the storage unit 51 which is a work information storage unit, and controls the component mounting mechanism 54 which is a work operation mechanism based on the mounting work data 51a.
- the mounting head 13 including the unit transfer head 23 is caused to execute a component mounting operation.
- the application control unit 41 and the mounting control unit 50 are work control units that read work data from the work information storage unit and control the work operation mechanism based on the work data to cause the work head to perform work. ing.
- the height accuracy classification will be described with reference to FIGS. 7 (a) to (d).
- the type of electronic component that is divided into the first division (1) in the height accuracy division there is a rectangular chip-type component 18B in which terminal portions 18b are formed at both ends.
- the application purpose is to apply a predetermined amount of the resin adhesive 14. High accuracy is not required for the lowering target position of the nozzle 22a.
- the chip-type component 18B sucked and held by the suction nozzle 23a is landed on the cream solder 19 previously printed on the electrode 3b. Therefore, high accuracy is not required for the lowering target position of the suction nozzle 23a.
- the height from the upper surface 3a is a predetermined height to reinforce the corner of the bumped component 18A.
- the purpose is to apply the resin adhesive 14 in HD. Since the predetermined height HD at this time is defined by the height size of the bumped component 18A, high accuracy is required for the lowering target position of the coating nozzle 22a.
- the bump 18a of the bumped component 18A held by suction on the suction nozzle 23a is brought into contact with the electrode 3b with a specified pressing amount. It is necessary to let Therefore, at the time of component mounting, it is required to accurately lower the suction nozzle 23a from the upper surface 3a to the height position of the mounting height HM of the bumped component 18A including the bump 18a. High accuracy is required.
- the electronic component mounting line 1 shown in the present embodiment all of the electronic components 18 mounted on the substrate 3 that easily undergoes warping deformation are preliminarily placed in either the first section (1) or the second section (2). It is determined whether it belongs, and the category is specified as the height accuracy category 63 in the work data.
- the application control unit 41 and the mounting control unit 50 which are work control units.
- the reference of the work position height when raising and lowering the work head is properly used. I have to. That is, the approximate work position height derived from the approximate curved surface of the upper surface of the substrate 3 calculated from the height measurement result previously performed on the substrate 3, and the individual work position height obtained by individually measuring the substrate height. Use properly.
- the approximate curved surface on the upper surface of the substrate 3 will be described.
- an approximate curved surface CS obtained by approximating the shape of the upper surface of the substrate 3 by a predetermined mathematical formula is calculated.
- the approximate form can be selected as appropriate according to the required accuracy level.
- the deformation in the direction in which the amount of warping is small in the plane of the substrate 3 (the X direction in the examples shown in FIGS. 8A and 8B) is ignored, and the cross-sectional shape of the substrate 3 in the Y direction is predetermined.
- the approximate curved surface CS is obtained by approximating with the following formula.
- the dispenser 22 of the work head When the electronic component 18 to be worked is the first section (1) of the height accuracy section, the dispenser 22 of the work head, the unit based on the approximate work position height derived from the approximate curved surface CS described above
- the coating mechanism 45 and the component mounting mechanism 54 are controlled so that the transfer head 23 is moved up and down.
- the approximate working position height H1 shown in FIG. 8B is regarded as the upper surface 3a of the substrate 3, and the working head is moved up and down.
- an error is generated by ⁇ h from the actual height position of the upper surface 3a of the substrate 3, but as described above, the electronic parts belonging to the first section (1) are high in the setting of the lowering target position. Since accuracy is not required, there is no problem in work quality.
- the height measurement device that is, the inspection measurement / coating apparatus M1 with respect to the work position.
- the height measuring device 21 of the inspection measuring head 7 and the height measuring device 25 of the mounting head 13 in the component mounting apparatuses M2 and M3 individually measure the board height to obtain the individual work height.
- the application mechanism 45 and the component mounting mechanism 54 are controlled so as to raise and lower the dispenser 22 and the unit transfer head 23 of the work head. That is, at the work position on the substrate 3, as shown in FIG.
- the above-described error is obtained by acquiring the individual work position height H2 using the upper surface 3a as a target of height measurement by the height measuring device directly. By eliminating ⁇ h, high-quality work quality can be ensured.
- the individual work position height H2 measured by the inspection measurement / coating apparatus M1 may be acquired by the component mounting apparatuses M2 and M3.
- the inspection / measurement / coating apparatus M1 and the component mounting apparatuses M2 and M3 as the electronic component mounting apparatuses are configured as one electronic component mounting line 1 configured by connecting a plurality of electronic component mounting apparatuses.
- the application control unit 41 and the mounting control unit 50 which are apparatuses and work control units, are provided on the upper surface 3a of the substrate 3 calculated by the inspection measuring unit 6 that is a height measuring device provided in the electronic component mounting line 1.
- the approximate work position height H1 is derived using the approximate curved surface CS.
- the calculated data of the approximate curved surface CS is stored in the storage unit 42 as height measurement data 42c, and is sent to the management computer 30 and stored in the storage unit 32 as height measurement data 32d.
- the data is sent to M2 and M3 and stored in the storage unit 51 as height measurement data 51c.
- an electronic component mounting apparatus a configuration example is shown in which an inspection measurement unit 6, a resin coating unit 8, and a component mounting unit 10 are arranged to face each other with the substrate transport mechanism 2 interposed therebetween. These functions may be arranged as a single unit along the substrate transport mechanism 2. Further, when the electronic component mounting line 1 is not configured by a plurality of devices as in the above-described configuration example, and the inspection measurement / coating device M1 and the component mounting devices M2 and M3 are used as a single device, the height measurement included in each device is measured. You may make it perform the height measurement for calculating the approximate curved surface CS of the upper surface 3a of the board
- the mounting control unit 50 derives the approximate work position height using the approximate expression of the approximate curved surface CS calculated by the component mounting apparatuses M2 and M3. Even in this case, since it is only necessary to perform the measurement of the individual work position height for only the height section 2 that requires high accuracy in the raising and lowering operation of the work head, both work quality and productivity can be improved. It is possible.
- work data (see FIG. 5) that associates work position information with height accuracy classification information is stored (ST1). That is, for each individual work position, the work position information indicating the position coordinates of the work position on the substrate 3 and the height accuracy required for the lifting and lowering operation of the work head in the work are set to the normal height accuracy.
- the substrate 3 is carried into the most upstream inspection / measuring / coating apparatus M1, and the inspection / measurement head 7 of the inspection / measurement unit 6 is advanced above the substrate 3 to calculate the approximate curved surface CS height on the upper surface of the substrate 3. Measurement is performed (ST3). Based on the height measurement result, the approximate measurement surface CS is calculated by the inspection measurement control unit 40 (ST4). The calculated data of the approximate curved surface CS is stored in the storage unit 42 as height measurement data 42c, sent to the management computer 30, and stored in the storage unit 32 as height measurement data 32d. Further, the component mounting apparatus M2 , M3 and stored in the storage unit 51 as height measurement data 51c.
- work data is read (ST5). That is, in the inspection measurement / application device M1, the application work data 42b is read from the storage unit 42, and in the component mounting apparatuses M2 and M3, the installation operation data 51a is read from the storage unit 51.
- the application control unit 41 controls the application mechanism 45 based on the read application operation data 42b, whereby the resin application operation by the application head 9 is executed, and the mounting control unit 50 performs the component operation based on the installation operation data 51a.
- a component mounting work by the mounting head 13 is executed (work execution process).
- work data (see FIG. 5) is referred to to determine whether the height accuracy classification of the electronic component to be worked is the first classification (1) or the second classification (2).
- ST6 work data
- the approximate work height is derived from the approximate curved surface CS described in FIGS. 8A and 8B (ST7).
- the substrate height is individually measured for the work position to obtain the individual work position height (ST8).
- the dispenser 22 in the coating head 9 and the unit transfer head 23 in the mounting head 13 are moved up and down based on the work height position, that is, the approximate work position height H1 or the individual work position height H2 (ST9).
- the resin application work by the application head 9 and the component mounting work by the mounting head 13 are executed (ST10).
- the work execution method includes high-precision parts that are required to control the work height such as the component mounting height and the coating height with high precision in the electronic parts to be worked.
- the work head can be moved up and down according to the height accuracy required for each electronic component. Therefore, it is possible to ensure work quality while eliminating the productivity degradation required when measuring height individually for each work position corresponding to each electronic component. It is possible to achieve both improvement.
- the electronic component mounting apparatus and the electronic component mounting work execution method of the present invention have an effect that both work quality and productivity can be improved, and the work head is moved up and down for each electronic component on the board. This is useful in the field of electronic component mounting where work is performed.
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- Supply And Installment Of Electrical Components (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
3 基板
3a 上面
4 Y軸移動テーブル
5 X軸移動テーブル
6 検査計測部
7 検査計測ヘッド
8 樹脂塗布部
9 塗布ヘッド
10 部品実装部
13 実装ヘッド
14 樹脂接着剤
18 電子部品
18A バンプ付き部品
18B チップ型部品
20 撮像カメラ
21 高さ計測器
22a 塗布ノズル
23 単位移載ヘッド
24 基板認識カメラ
25 高さ計測器
M1 検査計測・塗布装置
M2,M3 部品実装装置
PR 認識位置
PH 高さ計測点
PD 塗布位置
PM 部品実装位置
CS 近似曲面
H1 近似作業位置高さ
H2 個別作業位置高さ
Claims (4)
- 電子部品が実装される基板を対象として、電子部品実装用の所定の作業を前記電子部品毎に実行する電子部品実装用装置であって、
前記作業を実行する作業ヘッドを備え、前記作業ヘッドを前記基板において前記作業が実行される作業位置に対して昇降させることにより前記作業を実行する作業動作機構と、
前記基板の上面の高さ位置を任意の計測点において計測する高さ計測デバイスと、
個別の前記作業位置毎に、当該作業位置の基板における位置座標を示す作業位置情報と、当該作業において前記作業ヘッドの昇降動作に必要とされる高さ精度を通常の高さ精度の第1区分および高精度の高さ精度が必要とされる第2区分とに作業対象となる電子部品の種類に応じて区分した高さ精度区分情報とを予め対応させた作業データを記憶する作業情報記憶部と、
前記作業情報記憶部から作業データを読み出し、この作業データに基づいて前記作業動作機構を制御することにより、前記作業ヘッドに作業を実行させる作業制御部とを備え、
前記作業制御部は、作業対象となる電子部品が前記第1区分に属するものである場合には、前記基板の上面の複数の高さ計測点を対象として得られた高さ計測結果を用いて算出された基板の上面の近似曲面より導出される近似作業位置高さに基づいて前記作業ヘッドを昇降させ、
作業対象となる電子部品が前記第2区分に属するものである場合には、当該作業位置を対象として前記高さ計測デバイスによって個別に基板高さを計測して取得された個別作業位置高さに基づいて前記作業ヘッドを昇降させるように前記作業動作機構を制御することを特徴とする電子部品実装用装置。 - 前記電子部品実装用装置は、複数の電子部品実装用装置を連結して構成された電子部品実装ラインを構成する1つの装置であり、前記作業制御部は、この電子部品実装ラインに設けられた高さ計測装置によって算出された基板の上面の近似曲面を用いて前記近似作業位置高さを導出することを特徴とする請求項1記載の電子部品実装用装置。
- 前記電子部品実装用装置は、前記高さ計測デバイスによって基板の上面の近似曲面を算出するための高さ計測を行い、前記作業制御部は、当該電子部品実装用装置によって算出された基板の上面の近似曲面を用いて前記近似作業位置高さを導出することを特徴とする請求項1記載の電子部品実装用装置。
- 電子部品が実装される基板を対象として、作業動作機構に備えられた作業ヘッドを前記基板において作業が実行される作業位置に対して昇降させることにより、電子部品実装用の所定の作業を前記電子部品毎に実行する電子部品実装用の作業実行方法であって、
個別の前記作業位置毎に、当該作業位置の基板における位置座標を示す作業位置情報と、当該作業において前記作業ヘッドの昇降動作に必要とされる高さ精度を通常の高さ精度の第1区分および高精度の高さ精度が必要とされる第2区分とに作業対象となる電子部品の種類に応じて区分した高さ精度区分情報とを予め対応させた作業データを記憶させる作業情報記憶工程と、
前記記憶された作業データを読み出し、この作業データに基づいて前記作業動作機構を制御することにより、前記作業ヘッドの作業を実行させる作業実行工程とを含み、
前記作業実行工程において、作業対象となる電子部品が前記第1区分に属するものである場合には、前記基板の上面の複数の高さ計測点を対象として得られた高さ計測結果を用いて算出された基板の上面の近似曲面より導出される近似作業位置高さに基づいて前記作業ヘッドを昇降させ、
作業対象となる電子部品が前記第2区分に属するものである場合には、当該作業位置を対象として個別に基板高さを計測して取得された個別作業位置高さに基づいて前記作業ヘッドを昇降させることを特徴とする電子部品実装用の作業実行方法。
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US13/581,845 US8925190B2 (en) | 2010-10-27 | 2011-07-27 | Electronic component mounting device and an operation performing method for mounting electronic components |
DE112011103582T DE112011103582T5 (de) | 2010-10-27 | 2011-07-27 | Bestückungsvorrichtung für elektronische Bauteile und Betriebsdurchführungsverfahren zum Bestücken von elektronischen Bauteilen |
CN201180011764.5A CN102783271B (zh) | 2010-10-27 | 2011-07-27 | 电子部件安装装置和用于安装电子部件的操作执行方法 |
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US8925190B2 (en) | 2015-01-06 |
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JP2012094673A (ja) | 2012-05-17 |
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US20120317804A1 (en) | 2012-12-20 |
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