WO2015045033A1 - 部品装着装置 - Google Patents
部品装着装置 Download PDFInfo
- Publication number
- WO2015045033A1 WO2015045033A1 PCT/JP2013/075907 JP2013075907W WO2015045033A1 WO 2015045033 A1 WO2015045033 A1 WO 2015045033A1 JP 2013075907 W JP2013075907 W JP 2013075907W WO 2015045033 A1 WO2015045033 A1 WO 2015045033A1
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- WIPO (PCT)
- Prior art keywords
- head
- nozzle
- component mounting
- type
- mounting apparatus
- Prior art date
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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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0404—Pick-and-place heads or apparatus, e.g. with jaws
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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
- H05K13/087—Equipment tracking or labelling, e.g. tracking of nozzles, feeders or mounting heads
Definitions
- the present invention relates to a component mounting apparatus.
- a component mounting apparatus that sucks a component to the tip of a nozzle provided in a head and mounts the sucked component at a predetermined position on a substrate.
- a component mounting apparatus one that replaces one nozzle head having one nozzle held by a head holding portion with a revolver head having twelve nozzles is known (Patent Document 1).
- the head holding unit that holds one nozzle head moves to an empty one nozzle head storage unit, releases the held one nozzle head, and then releases the revolver head storage in which the revolver head is stored. Move to the center and hold the revolver head.
- the component mounting device described above recognizes where the head should be replaced before replacing the head, but if the operator does not set the correct head at that position, There is a risk that the head cannot be held well, or even if it can be replaced, control that is not suitable for the head after replacement may be executed.
- the present invention has been made to solve such problems, and has as its main object to execute a replacement operation suitable for the type of head to be replaced in the component mounting apparatus.
- the component mounting apparatus of the present invention is A component mounting apparatus for holding a component at the tip of a nozzle provided in a head and mounting the held component at a predetermined position on a substrate, Storage means for storing the correspondence between the identification code and the type of head; Storage means for storing one or more heads with the identification code; Head holding means for holding the head; Head moving means for moving the head holding means; Reading means for reading the identification code attached to the head stored in the storage means; When replacing the head held in the head holding means with the head stored in the storage means, the identification code read by the reading means before the head replacement is stored in the storage means in light of the correspondence relationship. Control means for recognizing the head type of the detected head and controlling at least one of the head holding means and the head moving means to perform a head replacement operation according to the recognized head type; It is equipped with.
- the control unit replaces the identification code read by the reading unit with the identification code and the head before replacing the head, when replacing the head held by the head holding unit with the head stored in the storage unit.
- the head type of the head stored in the storage means is recognized in light of the correspondence with the type.
- the control unit controls at least one of the head holding unit and the head moving unit so as to perform the head replacement operation according to the recognized head type.
- the “head replacement operation” is an operation that is different from the normal component mounting operation and is necessary for head replacement. This “head replacement operation” is necessary for the head replacement performed after the head holding means holds the replacement target head and for the head replacement performed until the head holding means holds the replacement target head. Including at least one of the various operations.
- control unit may perform at least the operation after the head holding unit holds the head to be replaced among the head replacement operations according to the recognized head type. And at least one of the head moving means may be controlled. In this way, the operation after the head holding means holds the replacement target head can be appropriately executed according to the head type.
- the head holding means includes a nozzle lifting mechanism that lifts and lowers the nozzle provided on the head, a head lifting mechanism that lifts and lowers the head, and an opening and closing mechanism that opens and closes a valve that adjusts the pressure of the nozzle.
- a camera lifting mechanism that lifts and lowers a camera that shoots a component held at the tip of the nozzle from a horizontal direction
- the control means includes at least the head holding means to be replaced in the head replacement operation. At least one of the mechanisms of the head holding means may be controlled so that the operation after holding the head is performed according to the recognized head type.
- control unit may perform at least the operation of the head replacement operation until the head holding unit holds the head to be replaced according to the recognized head type. And at least one of the head moving means may be controlled. In this way, the operation until the head holding means holds the replacement target head can be appropriately executed according to the head type.
- the head holding unit includes an engaging member that engages with an engaged member provided on the head, and the head determines the engaged member according to a head type.
- the control means is provided with different heights, and the control means recognizes the height of the recognized head type until at least the engagement member of the head holding means holds the engaged member of the head to be exchanged.
- the head holding means may be controlled so as to respond accordingly. In this way, for example, even when the height of the engaged member of the head varies depending on the head type, the engaging member of the head holding unit and the engaged member of the head can be appropriately engaged. it can.
- FIG. 1 is an explanatory diagram showing the overall configuration of a component mounting system 1.
- FIG. FIG. 3 is a perspective view of a head unit 110. The perspective view when the head holding body 21 is seen diagonally upward from below.
- FIG. 3 is a perspective view when the first head 120 is viewed obliquely downward from above. Sectional drawing of the peripheral part of the 1st and 2nd lever clamping parts 51 and 71.
- FIG. The perspective view of the 2nd head 220.
- FIG. FIG. 6 is a perspective view of a third head 320.
- FIG. 1 is an explanatory diagram showing the overall configuration of the component mounting system 1.
- the left-right direction (X-axis), the front-rear direction (Y-axis), and the up-down direction (Z-axis) are as shown in FIG.
- the component mounting system 1 includes a component mounting apparatus 100 and a management computer 200.
- the component mounting apparatus 100 includes a substrate transfer device 104 mounted on a base 102, a head unit 110 that can move on an XY plane, and a first head that is detachably attached to the head unit 110.
- a mark camera 130 for photographing the substrate 101 from above a parts camera 132 for photographing the component sucked by the suction nozzle 13 from below
- a head storage area 140 for storing various heads a substrate 101
- a component supply device 150 that supplies components to be performed and a controller 160 that executes various controls are provided.
- the substrate transport device 104 transports the substrate 101 from left to right by conveyor belts 108 and 108 (only one is shown in FIG. 1) attached to a pair of front and rear support plates 106 and 106, respectively.
- the head unit 110 is attached to the X-axis slider 112, and moves in the left-right direction as the X-axis slider 112 moves in the left-right direction along the guide rails 114, 114, and the Y-axis slider 116 moves in the guide rail 118, It moves in the front-rear direction as it moves in the front-rear direction along 118. For this reason, the head unit 110 is movable on the XY plane.
- Each slider 112, 116 is driven by a servo motor (not shown).
- the first head 120 is detachably attached to the head unit 110.
- the suction nozzle 13 uses pressure to suck the component at the nozzle tip or release the component sucked at the nozzle tip. Twelve suction nozzles 13 are attached to the first head 120, but four are attached to the second head 220 and one is attached to the third head 320.
- the mark camera 130 is attached to the lower surface of the X-axis slider 112.
- the mark camera 130 is a camera that reads a mark attached to the substrate 101 at a lower part of the imaging region. This mark indicates the reference position on the substrate 101. This reference position is used when the component sucked by the suction nozzle 13 is mounted at a desired position on the substrate 101.
- the mark camera 130 also has a barcode reader function for reading a two-dimensional barcode attached to various heads.
- the parts camera 132 is disposed on the front side of the substrate transfer apparatus 104.
- the suction nozzle 13 that sucks a part passes above the parts camera 132, the parts camera 132 captures the state of the part sucked by the suction nozzle 13.
- the image photographed by the parts camera 132 is used to determine whether or not the part is normally sucked by the suction nozzle 13.
- the head storage area 140 is provided on the right side of the upper surface of the base 102 and has a plurality of storage locations 142 for storing the first to third heads 120, 220, and 320.
- the second two storage locations 142 store the second head 220 and the third head 320, respectively, but the last storage location 142 is empty.
- the component supply device 150 is attached in front of the component mounting device 100.
- the component supply device 150 has a plurality of slots, and a feeder 152 can be inserted into each slot.
- a reel 154 around which a tape is wound is attached to the feeder 152.
- On the surface of the tape parts are held in a state of being aligned along the longitudinal direction of the tape. These parts are protected by a film covering the surface of the tape.
- Such a tape is fed backward by a sprocket mechanism (not shown), and is disposed at a predetermined position in a state where the film is peeled off and the parts are exposed.
- the predetermined position is a position where the suction nozzle 13 can suck the component.
- the suction nozzle 13 that sucks a component at the predetermined position can mount the component at a predetermined position on the substrate 101.
- the component mounting apparatus 100 includes a nozzle stocker 134 and the like.
- the nozzle stocker 134 is a box that stocks a plurality of types of suction nozzles 13, and is arranged next to the parts camera 132.
- the suction nozzle 13 is replaced with one suitable for the type of substrate on which the component is mounted and the type of component.
- the controller 160 includes a CPU 162 that executes various controls, a ROM 164 that stores control programs, a RAM 166 that is used as a work area, and an HDD 168 that stores a large amount of data, which are connected by a bus (not shown).
- the controller 160 is connected to the substrate transfer apparatus 104, the X-axis slider 112, the Y-axis slider 116, and the head unit 110 so as to exchange signals.
- the management computer 200 is a computer that manages a production job of the substrate 101, and stores production job data created by an operator. In the production job data, in the component mounting apparatus 100, what components are mounted from which slot position feeders in what order on which substrate board 101, how many substrates 101 are mounted in that order, etc. Is stipulated.
- the management computer 200 is connected to the controller 160 of the component mounting apparatus 100 so as to be capable of bidirectional communication.
- FIG. 2 is a perspective view of the head unit 110 with the cover removed. Specifically, FIG. 2 is a perspective view of the state in which the first head 120 is lowered with respect to the R axis 22 of the head holder 21.
- FIG. 3 is a perspective view when the head holding body 21 is seen obliquely upward from below, and FIG. 4 is a perspective view when the first head 120 is seen obliquely downward from above.
- the head unit 110 includes a head holder 21 and a first head 120.
- the head holder 21 is attached to the X-axis slider 112 (see FIG. 1) so as to be lifted and lowered by a lifting mechanism (not shown).
- the head holder 21 has two ring-shaped gears, an R-axis gear 24 and a Q-axis gear 27 in the upper part, and a cylindrical R-axis 22 in the lower part.
- the R-axis gear 24 and the Q-axis gear 27 are attached so as to rotate independently of each other.
- the R-axis gear 24 is rotationally driven by the R-axis motor 25 and rotates integrally with the R-axis 22.
- the Q-axis gear 27 is rotationally driven by the Q-axis motor 28 and rotates integrally with the ring-shaped clutch member 61 (see FIG. 3).
- the R shaft 22 has a plurality (four in this case) of engaging members 31 having hooks at the lower end.
- the directions of the hooks are aligned so as to be the same as the direction in which the R axis 22 rotates forward.
- These engaging members 31 are arranged at equal intervals on the same circumference of the lower surface of the R shaft 22 (the center of this circle coincides with the central axis of the R shaft 22).
- Each engagement member 31 can be moved up and down by an air cylinder (not shown).
- the head holding body 21 further includes first and second lever clamping portions 51 and 71 shown in FIG. 5, which will be described later.
- the first head 120 is a member having a substantially columnar appearance, and has a plurality (here, 12) of suction nozzles 13 below.
- the suction nozzle 13 is integrated with a nozzle holder 12 extending in the vertical direction.
- the nozzle holder 12 has a nozzle operation lever 39 in the vicinity of the upper end, and is urged upward by a spring 40 to be positioned at a predetermined fixed position (upper position).
- the nozzle operation lever 39 exists from the first nozzle operation lever 39 (A) to the last (12th) nozzle operation lever 39 (L) in the order in which the suction nozzle 13 is operated. This order is counted from the first to the last counterclockwise when viewed from above in FIG.
- a two-dimensional barcode 42 is attached to the first nozzle operation lever 39 (A).
- the two-dimensional bar code 42 includes an identification code indicating the type of head, here an identification code indicating the first head 120.
- an identification code indicating the first head 120 When the nozzle operation lever 39 is pressed, the nozzle holder 12 and the suction nozzle 13 descend against the elastic force of the spring 40, and when the nozzle operation lever 39 is released, the nozzle holder 12 and the suction nozzle 13 are The spring 40 returns to a fixed position by the elastic force.
- the nozzle holder 12 is meshed with a small gear 34 disposed so as to be coaxial with the nozzle holder 12.
- the small gears 34 are arranged at equal intervals on the same circumference (the center of this circle coincides with the central axis of the R axis 22).
- the cylindrical gear 33 is disposed on the inner side of the circumference where the small gears 34 are arranged, has a gear on a side surface, and meshes with the small gears 34. Further, the cylindrical gear 33 is designed to have such a dimension that the R shaft 22 can be inserted. At the upper end of the cylindrical gear 33, a clutch member 62 that fits with the clutch member 61 (see FIG. 3) of the head holder 21 is provided.
- the first head 120 has a pressure operation lever 35 that switches between supplying a negative pressure to the nozzle tip and supplying an atmospheric pressure for each suction nozzle 13.
- the pressure operation lever 35 is a switch that does not have a return function, and supplies a negative pressure to the nozzle tip when positioned upward, and supplies an atmospheric pressure to the nozzle tip when positioned downward.
- the pressure operation lever 35 also exists from the first pressure operation lever 35 (A) to the last pressure operation lever 35 (L) in the order in which the suction nozzle 13 is operated.
- the first head 120 has a disk-shaped base 36 (see FIG. 4) inside the cylindrical gear 33.
- the base 36 is integrated with a support member that supports the nozzle holder 12 and the small gear 34, but is not integrated with the cylindrical gear 33. For this reason, the cylindrical gear 33 is rotatable independently of the base 36.
- An arcuate engagement hole 37 is formed in the base 36 so as to be engageable with the hook of the engagement member 31 of the R shaft 22.
- the first head 120 is held by the head holder 21 in the following procedure.
- the engagement member 31 is lowered from the R shaft 22 by an air cylinder (not shown) and inserted into the engagement hole 37 of the base 36.
- the R shaft 22 is forwardly rotated by the R shaft motor 25 so that the hook of the engagement member 31 is engaged with the periphery of the engagement hole 37.
- the engaging member 31 is raised by an air cylinder (not shown) so that the clutch member 62 of the cylindrical gear 33 is fitted into the clutch member 61 of the head holding body 21.
- the first head 120 is held by the head holder 21.
- FIG. 5 is a cross-sectional view of the peripheral portion of the first and second lever holding portions 51 and 71.
- the lever holding portion 51 of the head holder 21 is attached to a first Z-axis slider 56 that can move in the vertical direction along a first Z-axis guide rail 55 provided on the head holder 21. ing.
- the first Z-axis slider 56 is driven by a servo motor (not shown).
- the first lever sandwiching portion 51 sandwiches the nozzle operation lever 39 from above and below by a horizontal portion 52 of the L-shaped member and a roller 54 attached to the upper side of the horizontal portion 52.
- the roller 54 is rotatably supported on the horizontal shaft 53.
- the gap between the first and last nozzle operating levers 39 (A) and 39 (L) is large enough to allow the first lever clamping portion 51 to pass in the vertical direction.
- the clearance of the operation lever 39 is sized so that the first lever clamping portion 51 cannot pass in the vertical direction (see FIG. 4). Therefore, when the first head 120 is raised relative to the R-axis 22 from the state shown in FIG. 2 to hold the first head 120 on the head holding body 21, the first lever holding portion 51 is connected to the nozzle. In order not to collide with the operation lever 39, the first lever holding portion 51 of the head holding body 21 needs to be disposed immediately above the gap between the first and last nozzle operation levers 39 (A) and 39 (L).
- the head holding body 21 has a second lever clamping portion 71.
- the second lever sandwiching portion 71 is located radially outside the first lever sandwiching portion 51 because the pressure operation lever 35 is located radially outside the nozzle operation lever 39. Similar to the first lever clamping portion 51, the second lever clamping portion 71 is attached to a second Z-axis slider 76 that can move in the vertical direction along the second Z-axis guide rail 75 provided on the head holder 21. .
- the second Z-axis slider 76 is driven by a servo motor (not shown).
- the second lever clamping portion 71 sandwiches the pressure operation lever 35 from above and below by a horizontal portion 72 of the L-shaped member and a roller 74 attached to the upper side of the horizontal portion 72.
- the gap between adjacent pressure operation levers 35 is large enough to allow the second lever clamping portion 71 to pass in the vertical direction.
- the first lever of the head holding body 21 is held as described above. If the portion 51 is disposed immediately above the gap between the first and last nozzle operation levers 39 (A) and 39 (L), the second lever clamping portion 71 also has the first and last pressure operation levers 35 (A). , (L).
- FIG. 6 is a perspective view of the second head 220
- FIG. 7 is a perspective view of the third head 320.
- the second head 220 shown in FIG. 6 is stored in the head storage area 140 (see FIG. 1).
- the second head 220 includes four suction nozzles 13, and the heights of the nozzle operation lever 39, the pressure operation lever 35, and the base 36 when stored in the head storage area 140 are different from those of the first head 120.
- the configuration is the same as that of the first head 120 except that the interval between the adjacent nozzle operation levers 39 is wide.
- a two-dimensional barcode 42 is attached to the first nozzle operation lever 39 (A).
- FIG. 1 is a perspective view of the second head 220
- FIG. 7 is a perspective view of the third head 320.
- the second head 220 shown in FIG. 6 is stored in the head storage area 140 (see FIG. 1).
- the second head 220 includes four suction nozzles 13, and the heights of the nozzle operation lever 39, the pressure operation
- the third head 320 is also stored in the head storage area 140 (see FIG. 1).
- the third head 320 includes only one suction nozzle 13 and does not have the nozzle operation lever 39 or the pressure operation lever 35. For this reason, the two-dimensional barcode 42 is attached to the upper surface of the base 36.
- the third head 320 differs from the other first heads 120 and 220 in the height position of the base 36 when stored in the storage place 142.
- the CPU 162 sequentially sucks the components supplied from the feeder 152 to the plurality of suction nozzles 13 of the head unit 110. Specifically, the CPU 162 rotates the first head 120 by the R-axis motor 25 so that the first nozzle operation lever 39 (A) is held by the first lever holding portion 51 and the second lever holding portion 71 The pressure operation lever 35 of the first suction nozzle 13 is clamped.
- the cylindrical gear 33 is rotated so as to be in phase with the first head 120.
- the suction nozzle 13 does not rotate when the first head 120 rotates.
- the cylindrical gear 33 is rotated independently of the first head 120.
- the CPU 162 controls the X-axis slider 112 and the Y-axis slider 116 to place the first suction nozzle 13 directly above the desired component. Thereafter, the CPU 162 controls the first Z-axis slider 56 and lowers the first suction nozzle 13 by the first lever holding part 51, and controls the second Z-axis slider 76 and 1 by the second lever holding part 71.
- the pressure operation lever 35 is switched so that a negative pressure is supplied to the second suction nozzle 13. As a result, a desired part is sucked by the first suction nozzle 13.
- the CPU 162 rotates the first head 120 by a predetermined angle by the R-axis motor 25. While the first head 120 is rotating, the CPU 162 controls the first Z-axis slider 56 to raise the first lever clamping portion 51 so that the first suction nozzle 13 returns to the fixed position, and further the second The nozzle operation lever 39 is held by the first lever holding portion 51. At the same time, the CPU 162 waits for the first pressure operating lever 35 to pass through the second lever holding portion 71 and controls the second Z-axis slider 76 to return the second lever holding portion 71 to the original position. The second pressure operation lever 35 is held by the second lever holding portion 71. For this reason, the first suction nozzle 13 remains supplied with negative pressure and continues to suck the components.
- the CPU 162 controls the X-axis slider 112 and the Y-axis slider 116 to place the second suction nozzle 13 directly above the desired component. Thereafter, the CPU 162 controls the first Z-axis slider 56 and lowers the second suction nozzle 13 by the first lever holding unit 51, and controls the second Z-axis slider 76 and controls the second Z-axis slider 76 to 2 by the second lever holding unit 71.
- the pressure operation lever 35 is switched so that a negative pressure is supplied to the second suction nozzle 13. As a result, the desired part is sucked by the second suction nozzle 13.
- the CPU 162 controls the X-axis slider 112 and the Y-axis slider 116 to move the head unit 110 toward the upper side of the substrate 101.
- the head holder 21 is retracted upward so that the components sucked by the suction nozzles 13 do not interfere with the structure on the component mounting apparatus 100 or the components already mounted on the substrate 101.
- the first head 120 is rotated so that the first nozzle operation lever 39 (A) is disposed between the first lever holding portions 51.
- the CPU 162 controls the first Z-axis slider 56 to lower the first suction nozzle 13 by the first lever clamping portion 51, and then controls the second Z-axis slider 76.
- the pressure operation lever 35 is switched so that the atmospheric pressure is supplied to the first suction nozzle 13 by the second lever clamping portion 71.
- the component sucked by the first suction nozzle 13 is mounted at a desired position on the substrate 101.
- Components that have been sucked by the second and subsequent suction nozzles 13 are also mounted on the substrate 101 in the same manner.
- FIG. 8 is a flowchart of an automatic head replacement routine.
- the program for the automatic head replacement routine is stored in the ROM 164 of the controller 160.
- the CPU 162 of the controller 160 determines whether it is time to automatically replace the head based on the production job data received from the management computer 200. If it is time to automatically replace the head, the head automatic replacement routine is started. .
- the CPU 162 When the head automatic replacement routine is started, the CPU 162 first reads the two-dimensional barcode of the head stored in each storage location 142 of the head storage area 140 and acquires the head identification code (step S110). Specifically, the CPU 162 controls the X-axis slider 112 and the Y-axis slider 116 to move the head unit 110 to the head storage area 140. Then, the two-dimensional barcode 42 attached to the head stored in each storage location 142 is read by a mark camera 130 having a barcode reader function, and the identification code recorded there is obtained.
- the CPU 162 recognizes the type of the head based on the acquired head identification code (step S120).
- the HDD 168 stores the correspondence between the identification code and the head type in a table.
- the identification code “001” is associated with the first head 120 having 12 suction nozzles, and the identification code “002” has four suction nozzles.
- Two heads 220 are associated with each other.
- the CPU 162 recognizes the type of the head by comparing the acquired head identification code with this table.
- the CPU 162 determines whether or not there is a replacement target head among the heads stored in the head storage area 140 (step S130).
- the type of head to be replaced this time is described in the production job data received from the management computer 200.
- step S130 If there is no head to be exchanged in step S130, automatic head exchange cannot be performed, so the CPU 162 outputs a warning (step S170) and ends this routine. Specifically, the CPU 162 outputs a warning text (for example, a text “no replacement head exists”) on a display (not shown) of the component mounting apparatus 100, or outputs a warning sound from a speaker (not shown).
- a warning text for example, a text “no replacement head exists”
- step S140 the CPU 162 releases the head currently held.
- the CPU 162 controls the X-axis slider 112 and the Y-axis slider 116 to move the head unit 110 directly above the empty storage location 142 in the head storage area 140.
- the CPU 162 rotates the first head 120 so that the first lever clamping portion 51 is positioned in the gap between the first and last nozzle operation levers 39 (A) and 39 (L).
- the CPU 162 lowers the head holding body 21 and stores the first head 120 in the storage location 142. Thereafter, the CPU 162 lowers the hook of the engaging member 31 below the engaging hole 37 and then rotates the R shaft 22 to remove the hook of the engaging member 31 from the engaging hole 37 of the first head 120. . Further, the CPU 162 ends the release of the first head 120 by raising the engagement member 31.
- the CPU 162 executes the operation until the head is held in the head replacement operation according to the type of the head to be replaced (step S150). For example, when the second head 220 is held by the head holding body 21 of the head unit 110, the operation until the second head 220 is held is performed according to the following procedure.
- the direction of the second head 220 stored in the storage location 142 is such that the first lever holding portion 51 is positioned between the first and last nozzle operation levers 39 (A) and 39 (L). It is decided in advance.
- the CPU 162 controls the X-axis slider 112 and the Y-axis slider 116 to move the head unit 110 directly above the storage location 142 in which the second head 220 is stored.
- the CPU 162 lowers the head holding body 21 and lowers each engaging member 31 while inserting the R shaft 22 into the cylindrical gear 33, thereby hooking each engaging member 31 to the base of the second head 220. It is inserted into an engagement hole 37 provided in 36. Thereafter, the CPU 162 rotates the R shaft 22 to engage the hook of the engagement member 31 with the peripheral edge of the engagement hole 37.
- the height of the base 36 is a value unique to the second head 220 and is stored in the HDD 168 in association with the second head 220. Since the CPU 162 knows the type of the head, the CPU 162 can acquire the height of the base 36 corresponding to the head from the HDD 168 and set the lowered position of the head holding body 21 based on the height.
- the lowered position of the head holder 21 is set according to the vertical stroke length of the engaging member 31 and the height of the base 36. Subsequently, the CPU 162 raises the engaging member 31 and holds the second head 220 by fitting the clutch member 62 of the second head 220 with the clutch member 61 of the head holding body 21.
- the CPU 162 executes the operation after holding the head in the head replacement operation according to the type of the head to be replaced (step S160), and ends this routine.
- the operation after holding the second head 220 is performed according to the following procedure.
- the CPU 162 controls the first and second Z-axis sliders 56 and 76 to lower the first lever holding portion 51 to the height of the nozzle operation lever 39 of the second head 220 and to move the second lever holding portion 71 to the second position. 2 The head 220 is lowered to the height of the pressure control lever 35.
- the first lever clamping portion 51 is positioned in the gap between the first and final nozzle operation levers 39 (A) and (L), and the second lever clamping portion 71 is the first and final pressure operation lever 35. It is located in the gap between (A) and (L).
- the heights of the nozzle operation lever 39 and the pressure operation lever 35 are values unique to the second head 220 and are stored in the HDD 168 in association with the second head 220. Since the CPU 162 knows the type of the head, the CPU 162 obtains the heights of the nozzle operation lever 39 and the pressure operation lever 35 corresponding to the head from the HDD 168, and based on them, the first and second lever clamping portions 51, 71 descending positions can be set.
- the head holding body 21 is controlled to the retreat position where the suction nozzle 13 of the second head 220 or the component sucked by the suction nozzle 13 does not interfere with the structure on the component mounting apparatus 100 by controlling the lifting mechanism of the head holding body 21 21 is raised.
- This retracted position is also a value unique to the second head 220 and is stored in the HDD 168 in association with the second head 220. Since the CPU 162 knows the type of the head, it can appropriately set the retreat position corresponding to the head from the HDD 168.
- the CPU 162 rotates the second head 220 by rotating the R-axis 22 forward, the first lever holding portion 51 pinches the first nozzle operating levers 39 (A) and (L), and the second The lever clamping portion 71 is configured to sandwich the first pressure operation lever 35.
- the operation after holding the head in the head replacement operation is completed.
- the CPU 162 executes the component mounting operation described above to mount the component on the board 101.
- the HDD 168 of this embodiment corresponds to the storage means of the present invention
- the head storage area 140 corresponds to the storage means
- the head holding body 21 corresponds to the head holding means
- the X-axis slider 112 and the Y-axis slider 116 move the head.
- the CPU 162 corresponds to the control means.
- the first Z-axis slider 56 and the first lever holding portion 51 correspond to a nozzle lifting mechanism
- the second Z-axis slider 76 and the second lever holding portion 71 correspond to an opening / closing mechanism
- a base 36 provided with an engagement hole 37 Corresponds to the engaged member.
- the type of the head stored in the head storage area 140 is correctly recognized in order to recognize the type of the head from the identification code attached to the head before replacing the head. can do. Further, according to the component mounting apparatus 100, the head replacement operation is performed in accordance with the correctly recognized head type, so that the replacement operation suitable for the head type can be executed.
- the head replacement operation is an operation different from a normal component mounting operation and is an operation necessary for head replacement.
- the operation performed after the head holder 21 holds the head to be replaced among the head replacement operations can be appropriately executed according to the head type. For example, even when the height of the nozzle operation lever 39 or the height of the pressure operation lever 35 of the head stored in the head storage area 140 varies depending on the head type, it can be appropriately dealt with.
- the operation until the head holder 21 holds the head to be replaced among the head replacement operations can be appropriately executed according to the head type. For example, even when the height of the base 36 of the head stored in the head storage area 140 varies depending on the head type, the engagement member 31 and the engagement hole 37 provided in the base 36 are appropriately engaged. Can be made.
- the head holding body 21 of the component mounting apparatus 100 is attached to the Z-axis lifting slider similar to the first Z-axis slider 56 and the lower end of the Z-axis lifting slider, and the first head 120 is sucked.
- the orientation (angle) of the minimal component sucked by the suction nozzle 13 of the first head 120 can be recognized and can be corrected to the correct orientation.
- the head held by the head holding body 21 is the third head 320 having only one suction nozzle 13
- the part sucked by the suction nozzle 13 is a relatively large part, and the direction of the part is the part. This can be confirmed with the camera 132. Therefore, a small camera is not used. In that case, the small camera is retracted upward.
- the retracted position is a value unique to the third head 320 because the small camera has a height that does not interfere with a large component sucked by the suction nozzle 13 of the third head 320. Therefore, when the head to be replaced is the third head 320 in step S160 of the automatic head replacement routine, the CPU 162 sets the retreat position of the small camera according to the third head 320 and controls the Z-axis lifting slider. Then, the small camera may be moved to the retracted position.
- the parameters of the servo motor for each operating axis may be set to a value specific to the head. For example, when the second head 220 is held after the holding of the first head 120 is released and the second head 220 is pulled up from the storage location 142, the torque of the Z-axis servo motor provided in the lifting mechanism of the head holding body 21 is increased. You may set according to the weight of the 2nd head 220. FIG. In this way, the head can be pulled up with an appropriate torque corresponding to the weight of each head.
- the two-dimensional bar code attached to all the heads stored in the head storage area 140 is read, and which type of head is stored in which storage location 142. May be stored in the RAM 166. By so doing, it is possible to skip steps S110 and S120 of the head automatic replacement routine.
- step S110 of the automatic head replacement routine when the CPU 162 knows from the production job data which storage location 142 in the head storage area 140 the replacement target head is stored in, in step S110 of the automatic head replacement routine. Only the two-dimensional bar code of the head stored in the storage location may be read.
- values specific to the head are stored in the HDD 168 in association with the type of each head.
- these values may be included in the head type in a table (see Table 1) indicating the correspondence between the identification code and the head type. In this way, the CPU 162 can acquire a value specific to the head directly from the identification code.
- the component supply device 150 supplies reel components, but may supply tray components or bulk components.
- the suction nozzle of the head held by the head holder 21 may be automatically exchanged with the suction nozzle stored in the nozzle stocker 134.
- the present invention can be used for a control device using a board on which a component is mounted.
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Abstract
Description
ヘッドに設けられたノズルの先端に部品を保持し、該保持した部品を基板上の所定位置に装着する部品装着装置であって、
識別符号とヘッドの種類との対応関係を記憶する記憶手段と、
前記識別符号が付されたヘッドを1以上収納する収納手段と、
ヘッドを保持するヘッド保持手段と、
前記ヘッド保持手段を移動させるヘッド移動手段と、
前記収納手段に収納されたヘッドに付された識別符号を読み取る読取手段と、
前記ヘッド保持手段に保持されているヘッドを前記収納手段に収納されたヘッドと交換するにあたり、ヘッド交換前に前記読取手段によって読み取られた前記識別符号を前記対応関係に照らして前記収納手段に収納されたヘッドのヘッド種類を認識し、ヘッド交換動作を前記認識したヘッド種類に応じて行うよう前記ヘッド保持手段及び前記ヘッド移動手段の少なくとも一方を制御する制御手段と、
を備えたものである。
部品装着システム1は、部品装着装置100と、管理コンピュータ200とを備えている。
次に、部品装着装置100のコントローラ160のCPU162が、管理コンピュータ200から受信した生産ジョブデータに基づいてヘッドユニット110を利用して基板101へ部品を装着する動作について説明する。ヘッドユニット110には、第1ヘッド120が取り付けられているものとする。また、予め、第1レバー挟持部51が1番目と最終番目のノズル操作レバー39(A),39(L)の隙間に位置し且つその高さがノズル操作レバー39と一致しており、第2レバー挟持部71が1番目と最終番目の圧力操作レバー35,35の隙間に位置し且つその高さが圧力操作レバー35と一致しているものとする。
次に、部品装着装置100のコントローラ160のCPU162が、管理コンピュータ200から受信した生産ジョブデータに基づいてヘッドを自動的に交換する動作について説明する。図8は、ヘッド自動交換ルーチンのフローチャートである。ヘッド自動交換ルーチンのプログラムは、コントローラ160のROM164に記憶されている。コントローラ160のCPU162は、管理コンピュータ200から受信した生産ジョブデータに基づいて、ヘッドを自動交換するタイミングか否かを判定し、ヘッドを自動交換するタイミングだったならば、ヘッド自動交換ルーチンを開始する。
ここで、本実施形態の構成要素と本発明の構成要素との対応関係を明らかにする。本実施形態のHDD168が本発明の記憶手段に相当し、ヘッド収納エリア140が収納手段に相当し、ヘッド保持体21がヘッド保持手段に相当し、X軸スライダ112やY軸スライダ116がヘッド移動手段に相当し、CPU162が制御手段に相当する。また、第1Z軸スライダ56及び第1レバー挟持部51がノズル昇降機構に相当し、第2Z軸スライダ76及び第2レバー挟持部71が開閉機構に相当し、係合孔37を備えたベース36が被係合部材に相当する。
以上説明した本実施形態の部品装着装置100によれば、ヘッド交換前にヘッドに付された識別符号からそのヘッドの種類を認識するため、ヘッド収納エリア140に収納されたヘッドの種類を正しく認識することができる。また、この部品装着装置100によれば、正しく認識したヘッドの種類に応じてヘッド交換動作を行うため、そのヘッドの種類に適した交換動作を実行することができる。なお、ヘッド交換動作とは、通常の部品装着動作とは異なる動作であって、ヘッド交換のために必要な動作をいう。
なお、本発明は上述した実施形態に何ら限定されることはなく、本発明の技術的範囲に属する限り種々の態様で実施し得ることはいうまでもない。
Claims (5)
- ヘッドに設けられたノズルの先端に部品を保持し、該保持した部品を基板上の所定位置に装着する部品装着装置であって、
識別符号とヘッドの種類との対応関係を記憶する記憶手段と、
前記識別符号が付されたヘッドを1以上収納する収納手段と、
ヘッドを保持するヘッド保持手段と、
前記ヘッド保持手段を移動させるヘッド移動手段と、
前記収納手段に収納されたヘッドに付された識別符号を読み取る読取手段と、
前記ヘッド保持手段に保持されているヘッドを前記収納手段に収納されたヘッドと交換するにあたり、ヘッド交換前に前記読取手段によって読み取られた前記識別符号を前記対応関係に照らして前記収納手段に収納されたヘッドのヘッド種類を認識し、ヘッド交換動作を前記認識したヘッド種類に応じて行うよう前記ヘッド保持手段及び前記ヘッド移動手段の少なくとも一方を制御する制御手段と、
を備えた部品装着装置。 - 前記制御手段は、前記ヘッド交換動作のうち少なくとも前記ヘッド保持手段が交換対象のヘッドを保持した後の動作を前記認識したヘッド種類に応じて行うよう前記ヘッド保持手段及び前記ヘッド移動手段の少なくとも一方を制御する、
請求項1に記載の部品装着装置。 - 前記ヘッド保持手段は、前記ヘッドに設けられたノズルを昇降させるノズル昇降機構、前記ヘッドを昇降させるヘッド昇降機構、前記ノズルの圧力を調整する弁を開閉させる開閉機構及び前記ノズルの先端に保持された部品を水平方向から撮影するカメラを昇降させるカメラ昇降機構の少なくとも一つを有し、
前記制御手段は、前記ヘッド交換動作のうち少なくとも前記ヘッド保持手段が交換対象のヘッドを保持した後の動作を前記認識したヘッド種類に応じて行うよう前記ヘッド保持手段が有する機構の少なくとも一つを制御する、
請求項1又は2に記載の部品装着装置。 - 前記制御手段は、前記ヘッド交換動作のうち少なくとも前記ヘッド保持手段が交換対象のヘッドを保持するまでの動作を前記認識したヘッド種類に応じて行うよう前記ヘッド保持手段及び前記ヘッド移動手段の少なくとも一方を制御する、
請求項1~3のいずれか1項に記載の部品装着装置。 - 前記ヘッド保持手段は、前記ヘッドに設けられた被係合部材に係合する係合部材を有し、
前記ヘッドは、前記被係合部材をヘッド種類に応じて異なる高さに備え、
前記制御手段は、前記ヘッド交換動作のうち少なくとも前記ヘッド保持手段の係合部材が交換対象のヘッドの被係合部材を保持するまでの動作を前記認識したヘッド種類の高さに応じて行うよう前記ヘッド保持手段を制御する、
請求項4に記載の部品装着装置。
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JP2015538682A JP6262243B2 (ja) | 2013-09-25 | 2013-09-25 | 部品装着装置 |
CN201380079758.2A CN105580507B (zh) | 2013-09-25 | 2013-09-25 | 元件安装装置 |
PCT/JP2013/075907 WO2015045033A1 (ja) | 2013-09-25 | 2013-09-25 | 部品装着装置 |
US15/025,052 US10813260B2 (en) | 2013-09-25 | 2013-09-25 | Component mounting device |
EP13894524.1A EP3051935B1 (en) | 2013-09-25 | 2013-09-25 | Component mounting apparatus |
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US10813260B2 (en) | 2020-10-20 |
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