WO2022176179A1 - フィーダー挿抜装置及び部品実装システム - Google Patents
フィーダー挿抜装置及び部品実装システム Download PDFInfo
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- WO2022176179A1 WO2022176179A1 PCT/JP2021/006540 JP2021006540W WO2022176179A1 WO 2022176179 A1 WO2022176179 A1 WO 2022176179A1 JP 2021006540 W JP2021006540 W JP 2021006540W WO 2022176179 A1 WO2022176179 A1 WO 2022176179A1
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- feeder
- removal
- extraction
- holding
- control
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- 238000003780 insertion Methods 0.000 title claims abstract description 462
- 230000037431 insertion Effects 0.000 title claims abstract description 462
- 230000007246 mechanism Effects 0.000 claims abstract description 82
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000000605 extraction Methods 0.000 claims description 159
- 239000000758 substrate Substances 0.000 claims description 7
- 238000006467 substitution reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 32
- 238000007726 management method Methods 0.000 description 25
- 239000008186 active pharmaceutical agent Substances 0.000 description 15
- 238000012384 transportation and delivery Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000032258 transport Effects 0.000 description 8
- 230000004044 response Effects 0.000 description 5
- 238000013523 data management Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000013500 data storage Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/02—Feeding of components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0417—Feeding with belts or tapes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/02—Feeding of components
- H05K13/021—Loading or unloading of containers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/082—Integration of non-optical monitoring devices, i.e. using non-optical inspection means, e.g. electrical means, mechanical means or X-rays
Definitions
- the present invention relates to a feeder inserting/removing device for inserting/removing a feeder into/from each of a plurality of holders in a mounter that mounts components on a board, and a component mounting system including the same.
- a component mounting machine that produces a component-mounted board in which electronic components are mounted on a board such as a printed circuit board has a plurality of holding parts that hold feeders that supply components in an insertable and removable manner, and feeders that are held by the holding parts. a mounting head for mounting the supplied component on the board. In this type of component mounter, the mounting head repeatedly picks up the components supplied from the feeder and then mounts the components on the board until all the mounted components are mounted on the board.
- Patent Literatures 1 and 2 disclose techniques for detecting the occurrence of defects in a feeder when supplying parts. In this technology, the occurrence of a problem in the feeder is detected based on the current value of the driving motor in the tape feeding mechanism that feeds out the tape containing the components. When the occurrence of a problem in the feeder is detected, processing is performed to eliminate the problem.
- JP 2017-224771 A Japanese Patent No. 6620306
- An object of the present invention is to provide a feeder inserting/removing device capable of accurately inserting/removing a feeder into/from a plurality of holding portions in a component mounter, and a component mounting system including the same.
- a feeder inserting/removing device is for inserting/removing a feeder for supplying components to each of a plurality of holding units capable of holding the feeder for supplying components in a component mounter that mounts components on a board. It is a device.
- This feeder insertion/extraction device includes an insertion/extraction moving mechanism for moving the feeder with respect to the holding portion along the insertion/extraction direction, and when the feeder is inserted/extracted from/to the holding portion by the insertion/extraction movement mechanism, the feeder is moved by the movement of the feeder.
- the feeder By inputting a drive signal to the insertion/extraction movement mechanism based on the load index value detected by the detection unit that detects a load index value that is an index of the applied load, the feeder is controlled by the holding unit. an insertion/extraction control unit that controls movement during insertion/extraction.
- a component mounting system includes a component mounter having a plurality of holding units capable of holding feeders for supplying components, and mounting components supplied by the feeders on a board; and the feeder inserting/extracting device for inserting/extracting the feeder with respect to each of the holding portions.
- FIG. 1 is a block diagram showing the configuration of a component mounting system to which a feeder inserting/extracting device according to one embodiment of the present invention is applied;
- FIG. FIG. 2 is a cross-sectional view showing the configuration of a component mounter provided in the component mounting system; It is a perspective view which expands and shows the vicinity of the component supply unit in a component mounter. It is the figure which looked at the component supply unit in a component mounter from the X-axis direction.
- FIG. 3 is a side view of a feeder insertion/extraction device provided in the component mounting system; 7 is a graph showing the relationship between the load index value detected by the detector of the feeder insertion/extraction device and the feeder moving distance.
- the component mounting system 1 includes a component mounter 2, a management device 3, and a feeder insertion/extraction device 4.
- the component mounter 2 and the management device 3 are connected so as to be able to communicate with each other, and the management device 3 and the feeder insertion/removal device 4 are connected so as to be able to communicate with each other.
- the component mounting system 1 is a system for producing component-mounted boards in which electronic components (hereinafter referred to as “components”) are mounted on printed boards (hereinafter referred to as "boards").
- components electronic components
- board printed boards
- a component mounting board is produced by a component mounting machine 2
- the production of the component mounting board by the component mounting machine 2 is managed by a management device 3.
- the feeder inserting/extracting device 4 performs the setup work necessary for production.
- the configuration of the component mounter 2 will be described with reference to FIGS. 2 to 4 in addition to FIG. It should be noted that the directional relationship will be described below using the XYZ orthogonal coordinate axes.
- the X-axis direction and the Y-axis direction are orthogonal to each other on the horizontal plane, and the Z-axis direction is a direction extending in a vertical direction orthogonal to both the X-axis direction and the Y-axis direction.
- the component mounter 2 is a device that mounts components on boards to produce component-mounted boards. A solder paste pattern is printed on the substrate before the components are mounted by the component mounter 2 . That is, the component mounter 2 mounts components on a board on which a solder paste pattern is printed by a pattern forming device.
- the component mounter 2 includes a mounter body 21 , a conveyor 22 , a component supply unit 23 and a mounting head 26 .
- the mounting machine main body 21 is a housing structure having an internal space in which each part constituting the component mounting machine 2 is arranged.
- the transport conveyor 22 extends in the Y-axis direction and is arranged in a substantially central area inside the mounter main body 21 .
- the transport conveyor 22 transports the substrate in the Y-axis direction.
- the mounting head 26 mounts a component on the board conveyed by the conveyer 22 .
- the mounting head 26 picks up the component from the feeder 25 arranged in the component supply unit 23 and mounts the picked component on the board.
- a plurality of suction nozzles 261 are attached to the mounting head 26 .
- the suction nozzle 261 is a holder that can hold a component by suction.
- the suction nozzle 261 can communicate with any one of a negative pressure generator, a positive pressure generator, and the atmosphere via an electric switching valve. That is, by supplying a negative pressure to the suction nozzle 261, the component can be sucked and held by the suction nozzle 261 (picking up of the component). be.
- the component supply unit 23 is arranged in the end region of the mounter main body 21 in the X-axis direction.
- the component supply unit 23 has an upper frame 231, a lower frame 232, and a back frame 233 for forming a plurality of holding portions 24 that removably hold the feeder 25 that supplies components.
- the upper frame 231 is a plate-shaped frame extending in the X-axis direction and the Y-axis direction.
- the upper frame 231 is arranged so that the area portion on one end side in the X-axis direction is exposed to the outside from the mounter main body 21 and the area portion on the other end side in the X-axis direction is accommodated inside the mounter main body 21 .
- the lower frame 232 is a plate-shaped frame that extends in the X-axis direction and the Y-axis direction, and is arranged below the upper frame 231 in the Z-axis direction so as to face the upper frame 231 .
- the lower frame 232 has a protruding portion 2321 protruding upward in the Z-axis direction in a region portion on the other end side in the X-axis direction that is accommodated inside the mounter main body 21 .
- the far side frame 233 is a plate-like frame that extends in the Y-axis direction and the Z-axis direction, and is located inside the mounter body 21 at the center of the mounter body 21 relative to the other ends of the upper frame 231 and the lower frame 232 in the X-axis direction. placed in a closer position.
- Each of the plurality of holding portions 24 constitutes a portion of the component supply unit 23 that holds the feeder 25 removably.
- a plurality of holding portions 24 are arranged in the Y-axis direction.
- a plurality of feeders 25 are arranged side by side in the Y-axis direction by inserting the feeders 25 into the respective holding portions 24 .
- the feeder 25 is, for example, a tape feeder.
- the feeder 25 supplies components by feeding a component storage tape PT that can store a plurality of components.
- the component storage tape PT includes a carrier tape PT1 provided with a plurality of storage portions for storing components, and a cover tape PT2 joined to the carrier tape PT1 so as to cover the storage portions.
- the feeder 25 includes a feeder body 251 , a reel support section 252 , a tape delivery section 254 and a collection section 255 .
- a tape delivery path 253 is formed in the feeder body 251 .
- the tape delivery path 253 is a path through which the component storage tape PT is delivered, and has a component pick-up portion 2531 between the upstream end and the downstream end in the delivery direction of the component storage tape PT.
- the reel support portion 252 is arranged on the upstream end side of the tape delivery path 253 in the feeder body 251 .
- the reel support portion 252 supports a reel around which the component storage tape PT is wound.
- the tape delivery section 254 is composed of, for example, a sprocket, and is arranged near the component extraction section 2531 of the tape delivery path 253 .
- the tape delivery section 254 delivers the component storage tape PT from the reel supported by the reel support section 252 and delivers the delivered component storage tape PT along the tape delivery path 253 .
- the operation of the tape delivery section 254 is controlled by a control circuit mounted on the control board 259 .
- the cover tape PT2 is separated from the carrier tape PT1 on the upstream side of the component extraction portion 2531.
- FIG. As a result, the component is exposed on the carrier tape PT1 at the component pick-up portion 2531 . Components exposed on the carrier tape PT1 can be taken out by the mounting head 26.
- the cover tape PT2 separated from the carrier tape PT1 on the upstream side of the component picking section 2531 is collected by the collecting section 255.
- the collection unit 255 is composed of, for example, a pair of rollers in contact with each other. In this case, the collecting unit 255 collects the cover tape PT2 according to the rotation of the roller pair.
- the cover tape PT2 recovered by the recovery unit 255 is stored in the recovery box 2551.
- the carrier tape PT1 after the component has been taken out by the mounting head 26 is delivered outward from the feeder 25 through the downstream end of the tape delivery path 253 by the delivery operation of the tape delivery section 254 .
- the carrier tape PT1 fed outward from the feeder 25 is cut to a predetermined length by a tape cutter 23A arranged near the projecting portion 2321 of the lower frame 232 in the component supply unit 23.
- the feeder 25 has an upper positioning pin 256, a lower positioning pin 257, and a feeder-side connector 258.
- the upper positioning pin 256 and the lower positioning pin 257 are pins that protrude from one end of the feeder body 251 in the X-axis direction.
- the upper positioning pin 256 and the lower positioning pin 257 are arranged at one end of the feeder main body 251 in the X-axis direction with a space therebetween in the Z-axis direction. ing.
- One end of the feeder body 251 in the X-axis direction has a stepped portion recessed on the other side in the X-axis direction with respect to the portion where the upper positioning pin 256 and the lower positioning pin 257 are provided.
- a feeder-side connector 258 is provided at a stepped portion at one end of the feeder main body 251 in the X-axis direction.
- the feeder-side connector 258 is a connector electrically connected to the control board 259 .
- a plurality of holding portions 24 for holding the feeder 25 in an insertable/removable manner are formed in the upper frame 231, the lower frame 232, and the inner frame 233 of the component supply unit 23.
- Each holding portion 24 includes an upper holding rail 241 , a lower holding rail 242 , an upper pin insertion hole 243 , a lower pin insertion hole 244 and a unit side connector 245 .
- a plurality of upper holding rails 241 are arranged in the Y-axis direction so as to extend in the X-axis direction on the lower surface of the upper frame 231 .
- the upper holding rail 241 is a rail member that guides the upper end of the feeder 25 when the feeder 25 is moved with respect to the holding portion 24 when it is inserted into or removed from the holding portion 24 .
- a plurality of lower holding rails 242 are formed on the upper surface of the lower frame 232 so as to extend in the X-axis direction and are aligned in the Y-axis direction.
- the lower holding rail 242 is a rail member that guides the lower end of the feeder 25 when the feeder 25 is moved with respect to the holding portion 24 when it is inserted or removed.
- the upper pin insertion hole 243 is a plurality of holes formed side by side in the Y-axis direction at the upper end of the inner frame 233 .
- the upper pin insertion hole 243 allows the insertion of the upper positioning pin 256 of the feeder 25 when the feeder 25 is inserted into the holding portion 24 .
- the insertion of the upper positioning pin 256 into the upper pin insertion hole 243 is released.
- a plurality of lower pin insertion holes 244 are formed in the lower end portion of the inner frame 233 so as to be aligned in the Y-axis direction.
- the lower pin insertion hole 244 allows insertion of the lower positioning pin 257 of the feeder 25 when the feeder 25 is inserted into the holding portion 24 .
- the feeder 25 when the feeder 25 is extracted from the holding portion 24, the insertion of the lower positioning pin 257 into the lower pin insertion hole 244 is released.
- the feeder 25 is positioned with respect to the holding portion 24 by inserting the upper positioning pin 256 through the upper pin insertion hole 243 and inserting the lower positioning pin 257 through the lower pin insertion hole 244 .
- a plurality of unit side connectors 245 are arranged side by side in the Y-axis direction on the projecting portion 2321 of the lower frame 232 and electrically connected to the mounting control section 29 of the component mounter 2 .
- the unit-side connector 245 is connected to the feeder-side connector 258 of the feeder 25 when the feeder 25 is inserted into the holding portion 24 .
- a mark portion 211 is provided in the vicinity of the component supply unit 23 in the mounter main body 21 .
- the mark portion 211 serves as a mark indicating the position of each of the plurality of holding portions 24 in the component supply unit 23 .
- the component mounter 2 further includes a mounting display section 27 , a mounting communication section 28 and a mounting control section 29 .
- the mounting display unit 27 displays the information, the details of which will be described later.
- the on-board communication unit 28 is an interface circuit that implements data communication with the management device 3 .
- the implementation control unit 29 is composed of a CPU (Central Processing Unit), a ROM (Read Only Memory) that stores control programs, a RAM (Random Access Memory) that is used as a work area for the CPU, and the like.
- the mounting control unit 29 controls the mounting display unit 27 and the mounting communication unit 28 by executing the control program stored in the ROM by the CPU, and controls the mounting display unit 27 and the mounting communication unit 28. Each operation of the feeder 25 and the mounting head 26 is controlled.
- the mounting control unit 29 includes a transport control unit 291, a component supply control unit 292, a mounting control unit 293, a mounting display control unit 294, and a mounting communication control unit 295 as functional configurations.
- the transport control unit 291 controls the substrate transport operation by the transport conveyor 22 .
- the component supply control section 292 controls the component supply operation of each feeder 25 held by each of the plurality of holding sections 24 .
- the mounting control unit 293 controls the mounting operation of the component on the board by the mounting head 26 .
- the mounting display control section 294 controls the display operation of various information by the mounting display section 27 .
- the on-board communication control unit 295 controls data communication with the management device 3 by the on-board communication unit 28 .
- the management device 3 is a device that manages the production of component-mounted boards by the component mounter 2 and transmits data necessary for the setup work of inserting/removing the feeder 25 into/from each of the plurality of holding units 24 to the feeder insertion/extraction device 4. is.
- the management device 3 is composed of, for example, a microcomputer.
- the management device 3 includes a data generation unit 31, a data storage unit 32, a data management unit 33, and a management communication unit 34 as functional configurations.
- the data generation unit 31 generates placement data D1 indicating the placement positions of the feeders 25 required for production of component-mounted boards by the component mounter 2 with respect to each holding unit 24 in the component supply unit 23 .
- the arrangement data D1 is, for example, the position of the holding section 24 where the feeders 25 necessary for the production of the component-mounted board are arranged in a dense state so that the movement distance of the mounting head 26 is as short as possible when the component is mounted on the board. is data showing
- the data generation unit 31 generates a mounting program P1 indicating a procedure for mounting, on a board, components supplied by the feeder 25 arranged in the holding unit 24 according to the placement data D1.
- the mounting program P1 information such as the mounting position of each component on the board, the position of the feeder 25 with respect to the holding portion 24 according to the mounting data D1, and the order of mounting the components by the mounting head 26 is recorded.
- the arrangement data D1 and the installation program P1 generated by the data generation unit 31 are stored in the data storage unit 32.
- the data management unit 33 reads the arrangement data D1 and the installed program P1 from the data storage unit 32 and distributes them. Specifically, the data management unit 33 causes the placement data D1 to be transmitted to the feeder insertion/extraction device 4 via the management communication unit 34, and causes the mounting program P1 to be transmitted to the mounter 2 via the management communication unit 34.
- the management communication unit 34 is an interface circuit that realizes data communication with the component mounter 2 and the feeder insertion/extraction device 4.
- the management communication unit 34 receives data regarding the production status of component-mounted boards by the component mounter 2 .
- the management communication unit 34 transmits the placement data D1 out of the placement data D1 and the loading program P1 generated by the data generation unit 31 to the feeder inserting/removing device 4, and also transmits the loading data D1.
- the program P1 is sent to the mounter 2.
- the component mounter 2 when the mounting program P1 transmitted from the management communication unit 34 is received by the mounting communication unit 28, production of component-mounted boards is started based on the mounting program P1. At this time, the component mounting operation by the mounting head 26 is executed according to the mounting program P1. Specifically, when the substrate is transported by the transport conveyor 22, the mounting head 26 takes out the component from each feeder 25 held by each holding section 24 in the component supply unit 23 according to the mounting program P1. After that, the operation of moving the mounting head 26 onto the board and sequentially mounting the components is repeated according to the component mounting order indicated by the mounting program P1 until all the components are mounted on the board.
- the feeder insertion/extraction device 4 receives the arrangement data D1 transmitted from the management communication unit 34, the setup work of inserting/extracting the feeder 25 into/from each holding unit 24 in the component supply unit 23 based on the arrangement data D1. I do.
- the feeder insertion/extraction device 4 will be described with reference to FIGS. 5, 6, 7A and 7B in addition to FIG.
- the feeder inserting/removing device 4 is a work robot that performs setup work for inserting/removing the feeder 25 into/from each of the plurality of holding portions 24 .
- the feeder insertion/extraction device 4 inserts/extracts the feeder 25 by moving the feeder 25 along the insertion/extraction direction DX with respect to each holding portion 24 .
- the insertion/removal direction DX is a direction parallel to the X-axis direction in which the upper holding rail 241 and the lower holding rail 242 extend in each holding portion 24 .
- An insertion direction DX1 which is a direction in which the feeder 25 is moved when the feeder 25 is inserted into each holding portion 24 and is one direction of the insertion/extraction direction DX, extends from the outside to the inside of the mounter main body 21 along the X-axis direction. It is the direction to go.
- the feeder insertion/extraction device 4 moves the feeder 25 in the insertion direction DX1 so that the feeder 25 required for production of the component-mounted board by the component mounter 2 is inserted into each holding portion 24 based on the placement data D1. Further, the feeder insertion/extraction device 4 moves the feeder 25 in the extraction direction DX2 so that the feeder 25 that needs to be replaced due to running out of parts or the like is extracted from each holding portion 24 .
- the feeder insertion/extraction device 4 includes a base portion 41 , a horizontal support table 42 , a horizontal movement mechanism 43 , a vertical movement mechanism 44 , an insertion/extraction movement mechanism 45 , a detection portion 454 , a display portion 46 , and a communication portion 47 . , a storage unit 48 and a control unit 49 .
- the display unit 46 displays information (insertion stop information DI1, substitute impossibility information DI2, predictive information DI3) output from the insertion/removal control unit 493 of the control unit 49.
- FIG. By confirming the information displayed on the display unit 46 , the operator can grasp the state of insertion/extraction of the feeder 25 with respect to the holding unit 24 by the feeder insertion/extraction device 4 .
- the warning light 46A may be turned on at the timing when the display unit 46 displays various information.
- the communication unit 47 is an interface circuit that realizes data communication with the management device 3.
- the communication unit 47 receives the arrangement data D ⁇ b>1 transmitted from the management device 3 .
- the communication unit 47 also transmits information output from the insertion/removal control unit 493 to the management device 3 .
- Information transmitted to the management device 3 via the communication unit 47 is input to the component mounter 2 and displayed on the mounting display unit 27 .
- the storage unit 48 includes a threshold storage unit 481 and an arrangement storage unit 482.
- the threshold storage unit 481 stores various preset threshold values (permissible threshold value T1, sign threshold value T2, stop threshold value T3, number of times threshold value T4) used when the insertion/removal control unit 493 controls the insertion/removal movement mechanism 45 .
- the placement storage unit 482 stores the placement data D1 received by the communication unit 47 .
- the base part 41 is a base on which the horizontal movement mechanism 43 and the like are arranged in the feeder insertion/extraction device 4 .
- Wheels 411 are attached to the base portion 41 so that the feeder insertion/extraction device 4 can be moved, and a position detection sensor 412 is attached.
- the feeder insertion/extraction device 4 moves to each position of the plurality of holding portions 24 in the component supply unit 23 by detecting the mark portion 211 provided on the mounter main body 21 by the position detection sensor 412 .
- the horizontal support base 42 is a base arranged on the base portion 41 .
- the horizontal support base 42 is a base extending horizontally along the Y-axis direction perpendicular to the insertion/removal direction DX on the horizontal plane.
- the horizontal support base 42 supports the horizontal movement strut body 431 of the horizontal movement mechanism 43 so as to be movable along the Y-axis direction.
- the horizontal movement mechanism 43 is a mechanism that moves the feeder 25 held by the holding portion 4512 of the insertion/removal moving body 451 of the insertion/removal movement mechanism 45 in the Y-axis direction with respect to each holding portion 24 .
- the horizontal movement mechanism 43 includes a horizontal movement strut body 431 , a horizontal drive motor 432 and a horizontal drive transmission section 433 .
- the horizontal movement strut body 431 is a strut extending in the Z-axis direction and supported by the horizontal support base 42 so as to be movable in the Y-axis direction.
- the horizontal movement strut body 431 supports the vertical movement body 441 of the vertical movement mechanism 44 so as to be movable along the Z-axis direction.
- the horizontal driving motor 432 is a driving motor that generates a driving force for moving the horizontal movement strut body 431 on the horizontal support base 42 along the Y-axis direction.
- the horizontal drive transmission section 433 is a mechanism for transmitting the driving force of the horizontal drive motor 432 to the horizontal movement strut body 431 .
- the horizontal movement strut body 431 moves on the horizontal support base 42 in the Y-axis direction according to the driving force of the horizontal driving motor 432 transmitted from the horizontal driving transmission section 433 .
- the vertical movement mechanism 44 is a mechanism that moves the feeder 25 gripped by the gripping portion 4512 of the insertion/extraction moving body 451 of the insertion/extraction movement mechanism 45 in the Z-axis direction with respect to each holding portion 24 .
- the vertical movement mechanism 44 includes a vertical movement body 441 , a vertical drive motor 442 and a vertical drive transmission section 443 .
- the vertical moving body 441 is supported by the horizontal moving strut body 431 so as to be movable in the Z-axis direction.
- the vertical moving body 441 has an insertion/removal support portion 4411 extending along the insertion/removal direction DX (X-axis direction), and an insertion/removal guide portion 4412 extending along the insertion/removal direction DX below the insertion/removal support portion 4411 .
- the insertion/removal support portion 4411 supports the insertion/removal movement body 451 of the insertion/removal movement mechanism 45 so as to be movable along the insertion/removal direction DX.
- the insertion/removal guide portion 4412 supports the feeder 25 gripped by the grip portion 4512 of the insertion/removal body 451 from below and guides the movement of the feeder 25 along the insertion/removal direction DX accompanying the movement of the insertion/removal body 451 .
- the vertical drive motor 442 is a drive motor that generates driving force to move the vertical moving body 441 along the horizontal movement support 431 in the Z-axis direction.
- the vertical drive transmission section 443 is a mechanism for transmitting the driving force of the vertical drive motor 442 to the vertical moving body 441 .
- the vertical movement body 441 moves in the Z-axis direction along the horizontal movement strut body 431 according to the driving force of the vertical drive motor 442 transmitted from the vertical drive transmission section 443 .
- the insertion/extraction moving mechanism 45 is a mechanism for moving the feeder 25 with respect to each holding portion 24 along the insertion/extraction direction DX.
- the insertion/extraction movement mechanism 45 includes an insertion/extraction moving body 451 , an insertion/extraction drive motor 452 , and an insertion/extraction drive transmission section 453 .
- the insertion/removal body 451 is supported by the insertion/removal support portion 4411 of the vertical movement body 441 so as to be movable in the insertion/removal direction DX.
- the insertion/extraction moving body 451 includes a moving base 4511 extending along the Z-axis direction, a grip portion 4512 attached to the upper end of the moving base 4511 so as to be rotatable about a rotating shaft 4513 , and a cylinder 4514 . have.
- the grip portion 4512 is located above the other end of the feeder body 251 of the feeder 25 supported by the insertion/removal guide portion 4412 , opposite to the one end in the X-axis direction where the upper positioning pin 256 and the lower positioning pin 257 are provided.
- the cylinder 4514 rotates the grip portion 4512 around the rotation shaft 4513 by moving in the Z-axis direction. By rotating the gripping portion 4512 according to the movement of the cylinder 4514, the attitude of the feeder 25 gripped by the gripping portion 4512 can be changed.
- the insertion/extraction driving motor 452 is a driving motor that generates driving force for moving the insertion/extraction moving body 451 along the insertion/extraction support portion 4411 of the vertical moving body 441 in the insertion/extraction direction DX.
- the insertion/extraction drive transmission section 453 is a mechanism for transmitting the driving force of the insertion/extraction drive motor 452 to the insertion/extraction moving body 451 .
- the insertion/removal movement body 451 moves in the insertion/removal direction DX along the insertion/removal support portion 4411 of the vertical moving body 441 according to the driving force of the insertion/removal drive motor 452 transmitted from the insertion/removal drive transmission portion 453 . do.
- the feeder 25 gripped by the grip portion 4512 moves in the insertion/extraction direction DX on the insertion/extraction guide portion 4412 according to the movement.
- the horizontal movement mechanism 43 and the vertical movement mechanism 44 operate before the insertion/extraction movement mechanism 45 starts operating.
- the horizontal movement mechanism 43 the horizontal movement strut body 431 moves on the horizontal support base 42 so that the insertion/extraction guide part 4412 is positioned on the same straight line as the lower holding rail 242 of the holding part 24 .
- the vertical moving body 441 moves along the horizontally moving strut body 431.
- the insertion/extraction moving mechanism 45 moves the feeder 25 gripped by the gripping portion 4512 while the insertion/extraction guide portion 4412 is positioned on the same straight line as the lower holding rail 242 of the holding portion 24 .
- the upper holding rail 241 and the lower holding rail 242 of the holding portion 24 in the insertion/removal direction DX.
- the insertion/removal movement mechanism 45 moves the feeder 25 on the insertion/removal guide portion 4412. After that, the insertion/extraction moving mechanism 45 continues until the upper positioning pin 256 and the lower positioning pin 257 are inserted into the upper pin insertion hole 243 and the lower pin insertion hole 244, respectively, and the feeder side connector 258 is connected to the unit side connector 245. , the feeder 25 is moved along the upper holding rail 241 and the lower holding rail 242 .
- the insertion/extraction moving mechanism 45 cancels the insertion of the upper positioning pin 256 and the lower positioning pin 257 into the upper pin insertion hole 243 and the lower pin insertion hole 244, and the unit The feeder 25 is moved along the upper holding rail 241 and the lower holding rail 242 so that the feeder side connector 258 is disconnected from the side connector 245 . After that, the insertion/removal movement mechanism 45 moves the feeder 25 until it is arranged on the insertion/removal guide portion 4412 .
- the detection unit 454 detects a load index value IV, which is an index of the load applied to the feeder 25 due to the movement of the feeder 25 when the feeder 25 is inserted into or removed from the holding unit 24 by the insertion/removal movement mechanism 45 .
- the detection unit 454 detects the current value or voltage value of the insertion/removal drive motor 452 as the load index value IV.
- the detector 454 may be configured to detect the load applied to the feeder 25 using a load cell or the like.
- the load index value IV detected by the detection unit 454 indicates a larger value as the load applied to the feeder 25 during insertion into and removal from the holding unit 24 increases.
- the load index value IV changes according to the movement of the feeder 25 with respect to the holding portion 24 .
- a change in the load index value IV when the feeder 25 is moved in the insertion direction DX1 by the insertion/removal movement mechanism 45 will be described with reference to the graph of FIG.
- the tip of the feeder 25 (the end provided with the upper positioning pin 256 and the lower positioning pin 257) has already been inserted into the holding portion 24 from the movement start position of the feeder 25 on the insertion/removal guide portion 4412.
- a first distance MD1 is defined as the distance to the position where the feeder 25 is reached.
- the distance from the movement start position of the feeder 25 to the boundary position between the insertion/removal guide portion 4412 and the lower holding rail 242 is defined as a second distance MD2.
- the distance from the movement start position of the feeder 25 to the position where the upper positioning pin 256 and the lower positioning pin 257 are inserted into the upper pin insertion hole 243 and the lower pin insertion hole 244, respectively, is defined as a third distance MD3.
- the load index value IV which has begun to increase in response to the movement of the feeder 25 by the first distance MD1, decreases as the feeder 5 moves further on the insertion/extraction guide portion 4412 . After that, when the feeder 25 moves on the insertion/removal guide portion 4412 by the second distance MD2, the load index value IV starts to rise again. Such a phenomenon occurs because the portion that guides the movement of the feeder 25 is switched from the insertion/extraction guide portion 4412 to the upper holding rail 241 and the lower holding rail 242 of the holding portion 24, thereby reducing the load applied to the moving feeder 25. This is thought to be due to the increase in size.
- the load index value IV which has started to rise in response to the movement of the feeder 25 by the second distance MD2, remains constant at a predetermined value as the feeder 5 moves along the upper holding rail 241 and the lower holding rail 242. . After that, when the feeder 25 moves the third distance MD3 along the upper holding rail 241 and the lower holding rail 242, the load index value IV starts to rise again. This phenomenon occurs because the upper positioning pin 256 and the lower positioning pin 257 are inserted through the upper pin insertion hole 243 and the lower pin insertion hole 244, respectively, and the load applied to the moving feeder 25 increases. It is believed that there is.
- the detection unit 454 detects the load index value IV that changes according to the movement of the feeder 25 with respect to the holding unit 24 while the feeder 25 is being inserted into and removed from the holding unit 24 .
- the control unit 49 is composed of a CPU, a ROM that stores control programs, a RAM that is used as a work area for the CPU, and the like.
- the control unit 49 controls the display unit 46 and the communication unit 47 by executing the control program stored in the ROM by the CPU, and controls each operation of the horizontal movement mechanism 43, the vertical movement mechanism 44, and the insertion/extraction movement mechanism 45. do.
- the control unit 49 includes a horizontal movement control unit 491, a vertical movement control unit 492, an insertion/removal control unit 493, a display control unit 494, a threshold value setting unit 495, and a communication control unit 496 as functional configurations.
- the display control unit 494 controls display operations of various information by the display unit 46 .
- the communication control unit 496 controls data communication with the management device 3 by the communication unit 47 .
- the horizontal movement control section 491 controls the horizontal movement mechanism 43 . Specifically, the horizontal movement control unit 491 inputs a drive signal to the horizontal drive motor 432 to control movement of the horizontal movement strut body 431 on the horizontal support base 42 .
- the vertical movement control section 492 controls the vertical movement mechanism 44 . Specifically, the vertical movement control section 492 controls the movement of the vertical movement body 441 along the horizontal movement support 431 by inputting a drive signal to the vertical drive motor 442 .
- the insertion/removal control section 493 controls the movement of the feeder 25 with respect to the holding section 24 during insertion/removal by inputting the drive signal DS to the insertion/removal movement mechanism 45 .
- the insertion/removal control unit 493 changes the drive signal DS input to the insertion/removal drive motor 452 to change the holding portion 24 of the feeder 25 according to the movement of the insertion/removal moving body 451 along the insertion/removal support portion 4411 . controls movement during insertion and removal of the In other words, the insertion/removal control section 493 changes the input value of the drive signal DS to the insertion/removal drive motor 452 to control the movement of the feeder 25 at the time of insertion/removal of the holding section 24 .
- the threshold setting unit 495 sets the allowable threshold T1, the sign threshold T2, and the stop threshold T3 as various thresholds used when the insertion/removal control unit 493 controls the insertion/removal drive motor 452 .
- Various thresholds set by the threshold setting unit 495 are stored in the threshold storage unit 481 .
- the permissible threshold T1 is a threshold that indicates the upper limit of the permissible range of fluctuation of the load index value IV corresponding to the upper limit of the permissible range of the load applied to the feeder 25 when it is inserted into or removed from the holding portion 24 .
- the portent threshold value T2 is a threshold value smaller than the permissible threshold value T1 with respect to the load index value IV, and is a threshold value indicating that there is a portent that the load applied to the feeder 25 at the time of inserting/removing the holding portion 24 exceeds the permissible range.
- the stop threshold value T3 is a threshold value that is larger than the allowable threshold value T1 with respect to the load index value IV, and is a threshold value that indicates the upper limit value of the fluctuation allowable range based on the rated current value or the rated voltage value of the insertion/removal drive motor 452. .
- the threshold setting unit 495 sets the allowable threshold T1 according to the moving speed of the feeder 25 when it is inserted into or removed from the holding unit 24 . Specifically, the threshold setting unit 495 associates the rotation speed of the insertion/removal drive motor 452, which is correlated with the moving speed of the feeder 25, with the current value or voltage value of the insertion/removal drive motor 452 as the load index value IV. A tolerance threshold T1 is set based on relevant data. The threshold setting unit 495 sets the allowable threshold T1 to a smaller value as the moving speed of the feeder 25 becomes slower.
- the insertion/removal control unit 493 changes the input value of the drive signal DS to the insertion/removal drive motor 452 based on the load index value IV detected by the detection unit 454, thereby causing the holding unit 24 of the feeder 25 to change. controls movement during insertion and removal of the Accordingly, it is possible to control the movement of the feeder 25 during insertion and removal by driving the insertion/removal drive motor 452 according to the load applied to the feeder 25 . For example, when the load applied to the feeder 25 increases due to the occurrence of a hook or the like that hinders the insertion and removal of the feeder 25, it is possible to control the movement of the feeder 25 during insertion and removal according to the increase in load. be. Therefore, the feeder 25 can be accurately inserted into and removed from the holding portion 24 . As a result, it is possible to accurately supply components from the feeder 25, so that it is possible to reduce the possibility that the productivity of component-mounted boards in the component mounter 2 is lowered.
- the insertion/removal control unit 493 executes standard control when the load index value IV detected by the detection unit 454 is less than the allowable threshold value T1 set by the threshold setting unit 495 .
- the insertion/removal control unit 493 inputs a drive signal DS to the insertion/removal drive motor 452 so that the feeder 25 performs a standard operation in which the feeder 25 moves along the insertion/removal direction DX, and controls the movement of the feeder 25 with respect to the holding unit 24 during insertion/removal. Control.
- the insertion/removal control unit 493 executes retry control.
- the insertion/extraction control unit 493 inputs a drive signal DS to the insertion/extraction drive motor 452 so as to perform a retry operation in which the feeder 25 stops moving along the insertion/extraction direction DX and then moves again.
- the insertion/removal control unit 493 executes retry control so that the feeder 25 performs a retry operation.
- the movement of the feeder 25 is restarted after the movement of the feeder 25 is temporarily stopped in response to the load index value IV becoming equal to or greater than the allowable threshold value T1.
- Such a retry operation of the feeder 25 can increase the possibility of reducing the load applied to the feeder 25 . Therefore, the feeder 25 can be more accurately inserted into and removed from the holding portion 24 .
- the insertion/removal control unit 493 performs standard control so that the feeder 25 moves at a predetermined standard speed in the standard operation, and performs retry control so that the feeder 25 moves at a retry speed slower than the standard speed in the retry operation. Run.
- the feeder 25 performs a retry operation by executing retry control by the insertion/removal control unit 493, the feeder 25 moves at a retry speed slower than the standard speed.
- a retry operation of the feeder 25 that moves at a relatively slow speed can increase the possibility of reducing the load applied to the feeder 25 . Therefore, the feeder 25 can be more accurately inserted into and removed from the holding portion 24 .
- FIG. 7B shows an example in which, in the retry operation, the feeder 25 stops moving in the insertion direction DX1, moves a predetermined reverse travel distance in the extraction direction DX2, and then moves again in the insertion direction DX1.
- the insertion/extraction control section 493 inputs the drive signal DS to the insertion/extraction driving motor 452 so that the feeder 25 repeats the retry operation. Then, when the feeder 25 repeats the retry operation, the insertion/extraction control unit 493 inputs the drive signal DS to the insertion/extraction drive motor 452 so that the reverse running distance in each retry operation increases as the retry operation progresses. Accordingly, as the retry operation of the feeder 25 is repeated, the possibility of reducing the load applied to the feeder 25 can be increased. Therefore, the feeder 25 can be accurately inserted into and removed from the holding portion 24 as the retry operation of the feeder 25 is repeated.
- the insertion/removal control unit 493 executes insertion stop control for inputting the drive signal DS to the insertion/removal drive motor 452 so as to stop the insertion of the feeder 25 into the holding portion 24 to be retryed.
- Execution of the insertion stop control by the insertion/removal control section 493 stops the insertion of the feeder 25 into the holding section 24 targeted for the retry operation. Accordingly, it is possible to prevent the feeder 25 from being inserted into the holding portion 24 while an excessive load is applied to the feeder 25 .
- the insertion/removal control unit 493 outputs the insertion stop information DI1 indicating that the insertion of the feeder 25 into the holding unit 24 targeted for the retry operation is stopped.
- the insertion stop information DI 1 output from the insertion/removal control section 493 is used by the display control section 494 .
- the display control unit 494 controls the display unit 46 to display the insertion stop information DI1. By checking the insertion stop information DI1 displayed on the display unit 46, the operator can understand that the insertion of the feeder 25 into the holding unit 24 has been stopped.
- the insertion/removal control unit 493 executes alternative insertion control.
- the insertion/removal control section 493 substitutes the holding section 24 for which insertion of the feeder 25 is to be stopped among the plurality of holding sections 24 in the component supply unit 23 of the component mounter 2, and replaces the feeder 25 with the holding section 24. Determine if there is an alternate holding portion that can be inserted.
- the insertion/removal control section 493 controls the holding section 24 other than the holding section 24 indicated by the arrangement data D1 stored in the arrangement storage section 482, among the plurality of holding sections 24, into which the feeder 25 is inserted.
- the insertion/removal control portion 493 inputs a drive signal DS to the insertion/extraction driving motor 452 so that the feeder 25 moves in the insertion direction DX1 with respect to the alternative holding portion.
- the insertion/extraction control unit 493 controls the insertion/extraction driving motor to move the alternative holding portion closest to the holding portion 24 into which the feeder 25 is not inserted in the insertion direction DX1.
- a drive signal DS is input to 452 .
- the insertion/extraction control unit 493 outputs substitute impossibility information DI2 indicating that fact.
- the non-substitutable information DI2 output from the insertion/removal control unit 493 is used by the display control unit 494.
- FIG. The display control unit 494 controls the display unit 46 to display the non-substitutable information DI2. By checking the non-substitutable information DI2 displayed on the display unit 46, the operator can grasp the situation where there is no substitute holding unit into which the feeder 25 whose insertion into the holding unit 24 has been stopped can be inserted.
- the load applied to the feeder 25 when it is inserted into and removed from the holding portion 24 may change according to the moving speed of the feeder 25 . Therefore, the load index value IV, which is an index of the load applied to the feeder 25, may also change according to the moving speed of the feeder 25.
- the insertion/removal control unit 493 controls the insertion/removal movement of the feeder 25 by driving the insertion/removal drive motor 452 based on the comparison between the allowable threshold value T1 set according to the moving speed of the feeder 25 and the load index value IV. Better control is possible. Therefore, the feeder 25 can be accurately inserted into and removed from the holding portion 24 .
- the insertion/removal control unit 493 provides indication information DI3 indicating that there is an indication that the load applied to the feeder 25 will exceed the allowable range when the feeder 25 is inserted/extracted from the holding unit 24 in accordance with the movement of the feeder 25 driven by the insertion/removal drive motor 452. to output
- the indication information DI ⁇ b>3 output from the insertion/removal control section 493 is used by the display control section 494 .
- the display control unit 494 controls the display unit 46 to display the predictive information DI3. By checking the symptom information DI3 displayed on the display unit 46, the operator can grasp the situation where there is a symptom that the load applied to the feeder 25 will exceed the allowable range.
- the insertion/removal control unit 493 may be configured to record history information in the storage unit 48 when outputting the predictive information DI3.
- the history information is information corresponding to the output of the indication information DI3, and includes feeder identification information for identifying the feeder 25 to be moved by the insertion/removal movement mechanism 45, and information for identifying the holding portion 24 to be inserted/extracted from the feeder 25. It includes holding portion identification information, insertion/extraction operation information indicating the operation status of the insertion/extraction movement mechanism 45, and the like.
- the operator can examine the factors for the output of the predictive information DI3. The operator can examine, for example, whether the feeder 25 has taken an abnormal tilted posture during insertion or removal, or whether the feeder 25 and the holding portion 24 have been damaged, worn, or adhered to foreign matter. be.
- the insertion/removal control unit 493 stops driving the insertion/removal drive motor 452 .
- the load index value IV becomes equal to or greater than the stop threshold value T3
- the insertion/removal drive motor 452 is driven beyond the upper limit of the allowable fluctuation range based on the rated current value or rated voltage value of the insertion/removal drive motor 452 .
- the operation of the feeder inserting/removing device 4 is started.
- the feeder insertion/extraction device 4 moves to each position of the plurality of holding portions 24 in the component supply unit 23 by detecting the mark portion 211 provided on the mounter main body 21 by the position detection sensor 412 .
- the horizontal movement control section 491 controls the horizontal movement mechanism 43
- the vertical movement control section 492 controls the vertical movement mechanism 44 so that the insertion/removal guide section 4412 is positioned on the same straight line as the lower holding rail 242 of the holding section 24 . to control.
- the feeder 25 gripped by the gripping portion 4512 of the insertion/extraction movement mechanism 45 is moved to the insertion start position for starting insertion into the holding portion 24 (step S1).
- the insertion/removal control unit 493 executes standard control based on the load index value IV detected by the detection unit 454 (step S2).
- the insertion/extraction control unit 493 inputs the drive signal DS to the insertion/extraction drive motor 452 so that the feeder 25 performs the standard operation of moving along the insertion direction DX1.
- the insertion/removal control unit 493 determines whether or not the load index value IV is equal to or greater than the warning threshold value T2 (step S3).
- the insertion/removal control unit 493 If the load index value IV is equal to or greater than the portent threshold value T2 (YES in step S3), the insertion/removal control unit 493 outputs portent information DI3 (step S4).
- the indication information DI ⁇ b>3 output from the insertion/removal control unit 493 is displayed on the display unit 46 .
- the insertion/removal control unit 493 determines whether or not the load index value IV is equal to or greater than the allowable threshold value T1 (step S5). When the load index value IV is less than the allowable threshold value T1 (NO in step S5), the insertion/removal control unit 493 continues the standard control and determines whether or not the insertion of the feeder 25 into the holding unit 24 is completed. (step S100). When the insertion of the feeder 25 is completed, the operation of the feeder inserting/removing device 4 ends.
- the insertion/removal control unit 493 executes retry control (step S6).
- the insertion/extraction control unit 493 controls driving of the insertion/extraction drive motor 452 so that the feeder 25 performs a retry operation.
- the insertion/removal control unit 493 determines whether or not the load index value IV has become equal to or greater than the allowable threshold value T1 while the feeder 25 is moving again in the insertion direction DX1 in the retry operation (step S7).
- step S7 If the load index value IV is less than the allowable threshold value T1 (NO in step S7), the insertion/removal control unit 493 proceeds to step S100, and the retry operation completes the insertion of the feeder 25 into the holding unit 24. or not. When the insertion of the feeder 25 is completed, the operation of the feeder inserting/removing device 4 ends.
- the insertion/removal control unit 493 When the load index value IV is equal to or greater than the allowable threshold value T1 (YES in step S7), the insertion/removal control unit 493 repeatedly executes retry control (step S8). The insertion/removal control unit 493 determines whether or not the load index value IV becomes equal to or greater than the allowable threshold value T1 while the feeder 25 is moving again in the insertion direction DX1 in each repeated retry operation (step S9). If the load index value IV is less than the allowable threshold value T1 (NO in step S9), the insertion/removal control unit 493 shifts the process to step S100, and repeats the retry operation to stop the insertion of the feeder 25 into the holding unit 24. Determine if completed. When the insertion of the feeder 25 is completed, the operation of the feeder inserting/removing device 4 ends.
- the insertion/removal control unit 493 determines whether or not the number of repetitions of the retry operation when inserting the feeder 25 has reached the number threshold value T4. (step S10).
- the insertion/removal control unit 493 executes insertion stop control (step S11).
- the insertion/removal control section 493 inputs the drive signal DS to the insertion/removal drive motor 452 so as to stop the insertion of the feeder 25 into the holding section 24 targeted for the retry operation.
- the insertion/removal control unit 493 outputs the insertion stop information DI1 (step S12).
- the insertion stop information DI1 output from the insertion/removal control unit 493 is displayed on the display unit 46.
- the insertion/removal control section 493 determines whether or not there is an alternative holding section capable of inserting the feeder 25 whose insertion into the holding section 24 is stopped (step S13). If the alternative holding unit does not exist (NO in step S13), the insertion/removal control unit 493 outputs substitute impossibility information DI2 indicating that fact (step S131).
- the insertion/removal control unit 493 executes alternative insertion control (step S14).
- the insertion/extraction control section 493 inputs the drive signal DS to the insertion/extraction driving motor 452 so that the feeder 25 moves in the insertion direction DX1 with respect to the alternative holding section.
- the insertion/removal control section 493 determines whether or not the insertion of the feeder 25 into the alternative holding section is completed (step S15). When the insertion of the feeder 25 into the alternative holding portion is completed, the operation of the feeder inserting/extracting device 4 ends.
- the insertion/extraction control section 493 determines the input value of the drive signal DS to the insertion/extraction drive motor 452 based on the load index value IV detected by the detection section 454. By changing it, the movement of the feeder 25 to/from the holding portion 24 is controlled. Accordingly, it is possible to control the movement of the feeder 25 during insertion and removal by driving the insertion/removal drive motor 452 according to the load applied to the feeder 25 . Therefore, the feeder 25 can be accurately inserted into and removed from the holding portion 24 .
- the component mounting system 1 includes a feeder inserting/removing device 4 capable of accurately inserting/removing the feeder 25 into/from the plurality of holding units 24 in the component mounting machine 2 .
- a feeder inserting/removing device 4 capable of accurately inserting/removing the feeder 25 into/from the plurality of holding units 24 in the component mounting machine 2 .
- a feeder inserting/removing device is for inserting/removing a feeder for supplying components to each of a plurality of holding units capable of holding the feeder for supplying components in a component mounter that mounts components on a board. It is a device.
- This feeder insertion/removal device includes an insertion/removal movement mechanism for moving the feeder with respect to the holding portion along the insertion/removal direction, and when the feeder is inserted/extracted from/to the holding portion by the insertion/removal movement mechanism, the feeder is moved by the movement of the feeder.
- a detection unit for detecting a load index value as an index of the applied load; an insertion/extraction control unit that controls movement during insertion/extraction.
- the insertion/extraction moving mechanism controlled by the insertion/extraction control section moves the feeder in the insertion/extraction direction, thereby inserting/extracting the feeder into/from each of the plurality of holding sections in the component mounter.
- the insertion/removal control section inputs a drive signal to the insertion/removal movement mechanism based on a load index value that is an index of the load applied to the feeder when it is inserted/removed into/from the holding section. This makes it possible to control the movement of the feeder during insertion and removal by the insertion/removal mechanism according to the load applied to the feeder.
- the feeder can be accurately inserted into and removed from the holding portion. As a result, it is possible to accurately supply the components from the feeder, so that it is possible to reduce the possibility that the productivity of component-mounted substrates in the component mounting machine is lowered.
- the insertion/extraction movement mechanism includes a drive motor that emits a driving force for moving the feeder along the insertion/extraction direction, and the detection unit uses the load index value as the current value of the drive motor or A voltage value may be detected, and the insertion/removal control section may change a drive signal input to the drive motor to control the movement of the feeder during insertion/removal with respect to the holding section.
- the detection unit detects the current value or voltage value of the drive motor as the load index value used when the insertion/removal control unit changes the input value of the drive signal to the drive motor.
- the detection unit can detect the load index value without using a load detection sensor such as a load cell.
- the insertion/extraction control unit performs a standard operation in which the feeder moves along the insertion/extraction direction when the load index value detected by the detection unit is less than a preset allowable threshold value.
- a drive signal is input to the insertion/extraction moving mechanism so as to perform the insertion/extraction, standard control for controlling the movement of the feeder during insertion/extraction is executed, and the load index value detected by the detection unit is equal to or greater than the allowable threshold inputting a drive signal to the insertion/extraction movement mechanism so as to perform a retry operation in which the feeder stops moving along the insertion/extraction direction and then moves again, and executes retry control for controlling the movement of the feeder during insertion/extraction; It may be a configuration.
- the insertion/removal control unit performs standard control so that the feeder performs the standard operation when the load index value is less than the allowable threshold value, while the feeder is operated when the load index value is equal to or higher than the allowable threshold value.
- Execute retry control to perform retry operation That is, when the load index value becomes equal to or greater than the allowable threshold value and the load applied to the feeder reaches the upper limit of the allowable range, the feeder performs a retry operation by executing retry control by the insertion/extraction control unit.
- the movement of the feeder is restarted after the movement of the feeder is temporarily stopped in response to the load index value becoming equal to or greater than the allowable threshold.
- Such retry operation of the feeder can increase the possibility of reducing the load applied to the feeder. Therefore, the feeder can be more accurately inserted into and removed from the holding portion.
- the insertion/extraction control section controls the retry operation so that after the feeder stops moving in one of the insertion and extraction directions in the insertion/extraction direction,
- the retry control may be executed such that the robot moves in the other direction opposite to the direction by a predetermined reverse travel distance, and then moves in the one direction again.
- the feeder when the feeder performs a retry operation by executing the retry control by the insertion/removal control section, the feeder is temporarily stopped from moving in one direction, and then moved in the other direction opposite to the one direction. , and then the movement of the feeder to one side is resumed.
- Such retry operation of the feeder can increase the possibility of reducing the load applied to the feeder. Therefore, the feeder can be more accurately inserted into and removed from the holding portion.
- the insertion/extraction control unit executes the standard control so that the feeder moves at a predetermined standard speed in the standard operation, while the feeder moves faster than the standard speed in the retry operation.
- the configuration may be such that the retry control is executed so as to move at a slow retry speed.
- the feeder when the feeder performs a retry operation due to execution of retry control by the insertion/removal control unit, the feeder moves at a retry speed lower than the standard speed.
- a retry operation of a feeder that moves at a relatively slow speed can increase the likelihood that the load applied to the feeder will be reduced. Therefore, the feeder can be more accurately inserted into and removed from the holding portion.
- the insertion/extraction control unit determines that the load index value detected by the detection unit is equal to or greater than the allowable threshold when the feeder is moving in the one direction again in the retry operation.
- a drive signal is input to the insertion/extraction movement mechanism so that the feeder repeats the retry operation, and when the feeder repeats the retry operation, the reverse running distance in each retry operation is the same as the repetition of the retry operation.
- a driving signal may be input to the insertion/extraction movement mechanism so that the length increases as the distance progresses.
- the reverse running distance of the feeder is set to increase as the repetition of the retry operation progresses.
- the insertion/extraction control unit controls the detection unit when the number of repetitions of the retry operation in which the insertion direction is the one direction as the retry operation of the feeder reaches a preset number of times threshold. inputting a drive signal to the insertion/removal movement mechanism to stop the insertion of the feeder into the holding portion targeted for the retry operation when the load index value detected by maintains the allowable threshold value or more; It may be configured to execute control.
- the insertion/removal control unit execute abort control. Insertion of the feeder into the holding section targeted for the retry operation is stopped by execution of the insertion stop control by the insertion/removal control section. Accordingly, it is possible to prevent the feeder from being inserted into the holding portion while an excessive load is applied to the feeder.
- the insertion/removal control section replaces the holding section to which the insertion of the feeder is to be stopped among the plurality of holding sections after the execution of the insertion stop control so that the feeder can be inserted. determining whether or not a possible alternative holding portion exists, and if the alternative holding portion exists, driving the insertion/extraction moving mechanism so that the feeder moves in the insertion direction with respect to the alternative holding portion; It may be configured to execute alternative insertion control by inputting a signal.
- the insertion/removal control section executes alternative insertion control for inserting the feeder into the alternative holding section.
- the insertion/extraction control section may be configured to output substitution impossibility information to that effect when the substitution holding section does not exist in the substitution insertion control.
- the insertion/removal control portion outputs non-substitutable information.
- the non-substitutable information output from the insertion/removal control unit for example, it is possible for the operator to grasp the situation in which the substitutable holding unit does not exist.
- the insertion/removal control section may be configured to output insertion stop information indicating that insertion of the feeder into the holding section targeted for the retry operation is stopped in the insertion stop control.
- the insertion/removal control unit outputs insertion stop information in the insertion stop control.
- the insertion stop information output from the insertion/removal control unit for example, it is possible for the operator to grasp the situation in which the insertion of the feeder into the holding unit is stopped.
- the insertion/extraction control section controls the insertion/extraction movement mechanism when the load index value detected by the detection section is less than the allowable threshold value and equal to or greater than a preset sign threshold value. It may be configured to output predictive information indicating that there is a predictive sign that the load applied to the feeder exceeds an allowable range when the feeder is inserted into or removed from the holding portion according to the movement of the feeder.
- the insertion/removal control unit outputs predictive information when the load index value is less than the allowable threshold and equal to or greater than the predictive threshold.
- the predictive information output from the insertion/removal control unit for example, it is possible for the operator to grasp the situation where there is a predictive sign that the load applied to the feeder will exceed the allowable range.
- the above-described feeder insertion/extraction device may further include a display section for displaying information output from the insertion/extraction control section.
- the display unit displays information output from the insertion/removal control unit.
- the operator can grasp the state of insertion/extraction of the feeder with respect to the holding portion by the feeder insertion/extraction device.
- the above-described feeder insertion/extraction device may further include a threshold value setting unit that sets the allowable threshold value according to the moving speed of the feeder at the time of inserting/extracting the feeder into/from the holding portion.
- the load applied to the feeder when inserting and removing it from the holding part may change according to the moving speed of the feeder. Therefore, the load index value, which is an index of the load applied to the feeder, may also change according to the moving speed of the feeder. Therefore, the threshold value setting unit sets the allowable threshold value used when the insertion/removal control unit controls the insertion/removal mechanism according to the moving speed of the feeder during insertion/removal. As a result, the insertion/removal control unit can more appropriately control the movement of the feeder during insertion/removal by the insertion/removal movement mechanism based on the comparison between the allowable threshold value set according to the moving speed of the feeder and the load index value. is. Therefore, the feeder can be accurately inserted into and removed from the holding portion.
- a component mounting system includes a component mounter having a plurality of holding units capable of holding feeders for supplying components, and mounting components supplied by the feeders on a board; and the feeder inserting/extracting device for inserting/extracting the feeder with respect to each of the holding portions.
- a feeder inserting/removing device that can accurately insert/remove a feeder into/from a plurality of holding portions in a component mounting machine. As a result, it is possible to accurately supply components from the feeder inserted into the holding portion, so that it is possible to reduce the possibility that the productivity of the component mounting board in the component mounter will be lowered.
- a feeder inserting/removing device capable of accurately inserting/removing a feeder into/from a plurality of holding portions in a component mounter, and a component mounting system including the same.
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Abstract
Description
Claims (14)
- 部品を基板に搭載する部品実装機における、部品を供給するフィーダーを保持可能な複数の保持部の各々に対して、前記フィーダーを挿抜するためのフィーダー挿抜装置であって、
前記フィーダーを前記保持部に対し挿抜方向に沿って移動させる挿抜移動機構と、
前記挿抜移動機構による前記保持部に対する前記フィーダーの挿抜時において、前記フィーダーの移動により前記フィーダーに加わる負荷の指標となる負荷指標値を検出する検出部と、
前記検出部により検出された前記負荷指標値に基づいて前記挿抜移動機構に駆動信号を入力することにより、前記フィーダーの前記保持部に対する挿抜時の移動を制御する挿抜制御部と、を備える、フィーダー挿抜装置。 - 前記挿抜移動機構は、前記フィーダーを前記挿抜方向に沿って移動させる駆動力を発する駆動モータを含み、
前記検出部は、前記負荷指標値として前記駆動モータの電流値又は電圧値を検出し、
前記挿抜制御部は、前記駆動モータに入力される駆動信号を変化させることにより、前記フィーダーの前記保持部に対する挿抜時の移動を制御する、請求項1に記載のフィーダー挿抜装置。 - 前記挿抜制御部は、
前記検出部により検出された前記負荷指標値が予め設定された許容閾値未満である場合、前記フィーダーが前記挿抜方向に沿って移動する標準動作を行うように前記挿抜移動機構に駆動信号を入力し、挿抜時における前記フィーダーの移動を制御する標準制御を実行し、
前記検出部により検出された前記負荷指標値が前記許容閾値以上となった場合、前記フィーダーが前記挿抜方向に沿った移動を停止した後に再度移動するリトライ動作を行うように前記挿抜移動機構に駆動信号を入力し、挿抜時における前記フィーダーの移動を制御するリトライ制御を実行する、請求項1又は2に記載のフィーダー挿抜装置。 - 前記挿抜制御部は、前記リトライ動作において前記フィーダーが、前記挿抜方向における挿入方向及び抜出方向のいずれかの一方向側への移動を停止した後、前記一方向側とは逆側の他方向側に所定の逆走距離だけ移動し、その後、前記一方向側に再度移動するように前記リトライ制御を実行する、請求項3に記載のフィーダー挿抜装置。
- 前記挿抜制御部は、前記標準動作において前記フィーダーが所定の標準速度で移動するように前記標準制御を実行する一方、前記リトライ動作においては前記フィーダーが前記標準速度よりも遅いリトライ速度で移動するように前記リトライ制御を実行する、請求項3又は4に記載のフィーダー挿抜装置。
- 前記挿抜制御部は、
前記リトライ動作において前記フィーダーが前記一方向側に再度移動しているときに、前記検出部により検出された前記負荷指標値が前記許容閾値以上となった場合、前記フィーダーが前記リトライ動作を繰り返すように前記挿抜移動機構に駆動信号を入力し、
前記フィーダーが前記リトライ動作を繰り返すときには、各リトライ動作における前記逆走距離が、前記リトライ動作の繰り返しが進むに従い長くなるように、前記挿抜移動機構に駆動信号を入力する、請求項4に記載のフィーダー挿抜装置。 - 前記挿抜制御部は、前記フィーダーの前記リトライ動作として前記挿入方向を前記一方向とするリトライ動作の繰り返し回数が予め設定された回数閾値に到達したときに、前記検出部により検出された前記負荷指標値が前記許容閾値以上を維持している場合、前記リトライ動作の対象の保持部に対する前記フィーダーの挿入を中止するように前記挿抜移動機構に駆動信号を入力する挿入中止制御を実行する、請求項6に記載のフィーダー挿抜装置。
- 前記挿抜制御部は、前記挿入中止制御の実行後において、複数の前記保持部のうち、前記フィーダーの挿入を中止する対象の保持部を代替して前記フィーダーの挿入が可能な代替保持部が存在するか否かを判断し、前記代替保持部が存在する場合には、前記フィーダーが前記代替保持部に対して前記挿入方向に移動するように前記挿抜移動機構に駆動信号を入力する代替挿入制御を実行する、請求項7に記載のフィーダー挿抜装置。
- 前記挿抜制御部は、前記代替挿入制御において、前記代替保持部が存在しない場合には、その旨を示す代替不能情報を出力する、請求項8に記載のフィーダー挿抜装置。
- 前記挿抜制御部は、前記挿入中止制御において、前記リトライ動作の対象の保持部に対する前記フィーダーの挿入を中止することを示す挿入中止情報を出力する、請求項7~9のいずれか1項に記載のフィーダー挿抜装置。
- 前記挿抜制御部は、前記検出部により検出された前記負荷指標値が前記許容閾値未満であって、且つ、予め設定された予兆閾値以上である場合、前記挿抜移動機構による前記フィーダーの移動に応じた前記保持部に対する挿抜時において、前記フィーダーに加わる負荷が許容範囲を超える予兆があることを示す予兆情報を出力する、請求項3~10のいずれか1項に記載のフィーダー挿抜装置。
- 前記挿抜制御部から出力された情報を表示するための表示部を、更に備える、請求項9~11のいずれか1項に記載のフィーダー挿抜装置。
- 前記フィーダーの前記保持部に対する挿抜時における移動速度に応じて前記許容閾値を設定する閾値設定部を、更に備える、請求項3~12のいずれか1項に記載のフィーダー挿抜装置。
- 部品を供給するフィーダーを保持可能な複数の保持部を有し、前記フィーダーにより供給される部品を基板に搭載する部品実装機と、
複数の前記保持部の各々に対して前記フィーダーを挿抜するための、請求項1~13のいずれか1項に記載のフィーダー挿抜装置と、を備える、部品実装システム。
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JPH06232572A (ja) * | 1993-01-29 | 1994-08-19 | Oki Electric Ind Co Ltd | 基板挿抜用ロボットハンド装置 |
JP2017216379A (ja) * | 2016-06-01 | 2017-12-07 | パナソニックIpマネジメント株式会社 | 部品実装システム |
WO2018127965A1 (ja) * | 2017-01-06 | 2018-07-12 | 株式会社Fuji | 部品実装ラインのフィーダ自動交換システム |
WO2020026619A1 (ja) * | 2018-07-31 | 2020-02-06 | パナソニックIpマネジメント株式会社 | 自動交換システムおよび管理装置ならびに自動交換方法 |
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JPH06232572A (ja) * | 1993-01-29 | 1994-08-19 | Oki Electric Ind Co Ltd | 基板挿抜用ロボットハンド装置 |
JP2017216379A (ja) * | 2016-06-01 | 2017-12-07 | パナソニックIpマネジメント株式会社 | 部品実装システム |
WO2018127965A1 (ja) * | 2017-01-06 | 2018-07-12 | 株式会社Fuji | 部品実装ラインのフィーダ自動交換システム |
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