WO2014174638A1 - 部品実装装置、部品実装方法 - Google Patents
部品実装装置、部品実装方法 Download PDFInfo
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- WO2014174638A1 WO2014174638A1 PCT/JP2013/062248 JP2013062248W WO2014174638A1 WO 2014174638 A1 WO2014174638 A1 WO 2014174638A1 JP 2013062248 W JP2013062248 W JP 2013062248W WO 2014174638 A1 WO2014174638 A1 WO 2014174638A1
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- transport
- lane
- transport lane
- component
- lanes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0404—Pick-and-place heads or apparatus, e.g. with jaws
-
- 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
- H05K13/0061—Tools for holding the circuit boards during processing; handling transport of printed circuit boards
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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
- H05K13/085—Production planning, e.g. of allocation of products to machines, of mounting sequences at machine or facility level
Definitions
- This invention relates to a component mounting technique for mounting a component on a substrate transported by each of three transport lanes arranged in parallel with each other.
- a component mounting apparatus in which a plurality of transfer lanes are arranged in parallel and components are mounted on a substrate supported by each transfer lane.
- the component mounting apparatus of Patent Document 1 four conveyance lanes are arranged in parallel, and components supplied from component supply units arranged on both sides of these conveyance lanes are supported by each conveyance lane. Mounted on the board. At this time, the movement of the component from the component supply unit to the substrate is executed by the mounting head.
- a mounting head is provided for each of the component supply units arranged on both sides of the four transport lanes. And one mounting head mounts the component supplied from the component supply part arrange
- the other mounting head mounts a component supplied from a component supply unit arranged on the other side on a substrate supported by two of the four conveyance lanes on the other side.
- the substrates supported by the two transport lanes arranged at the center of the four mounting components receive component mounting by different mounting heads.
- different mounting heads simultaneously mount components on the substrates supported in the two adjacent transport lanes in this way, there is a risk of interference between the mounting heads.
- Such a problem can be dealt with during a period in which interference may occur by retracting any of the mounting heads to a place where interference cannot occur, and waiting for component mounting on the board.
- the waiting time of the mounting head increases the cycle time, it is preferable to keep it as short as possible.
- Patent Document 1 while one mounting head is performing component mounting on a substrate supported by a central transport lane, the other mounting head is disposed on the end side of the two transport lanes in charge. Control is performed such that components are mounted on the board supported by the transport lane. This prohibits the simultaneous mounting of different mounting heads on the boards supported by the adjacent transport lanes, and prevents the occurrence of interference between the mounting heads, while maintaining the center and It is also possible to suppress the occurrence of a waiting time for the mounting head to wait for component mounting in order to avoid interference by causing each mounting head to simultaneously perform component mounting on each substrate in the transport lane at the end.
- Patent Document 2 the control in Patent Document 1 cannot be used effectively.
- the transportation lanes arranged at each end approach each other from both sides of one transportation lane arranged at the center. Therefore, if one mounting head performs component mounting on the substrate in the central transport lane while the other mounting head performs component mounting on the substrate in the end transport lane, these mounting heads Each board to be mounted is supported by an adjacent transport lane. Therefore, a situation in which one of the mounting heads has to be on standby for avoiding interference frequently occurs, which may increase the standby time.
- the present invention has been made in view of the above problems.
- a head unit that mounts components from a component supply unit to a substrate is provided.
- An object is to provide a technique capable of suppressing an increase in waiting time.
- the component mounting apparatus transports the substrate in the X direction while supporting the board, and also includes three transport lanes arranged in parallel with each other and the three transport lanes.
- a first component supply unit that is arranged on one side in the Y direction orthogonal to the X direction and supplies components, and is arranged on the other side opposite to one side in the Y direction with respect to the three transport lanes.
- a second component supply unit for supplying, a first head unit for mounting the component supplied by the first component supply unit on the substrate, and a second head unit for mounting the component supplied by the second component supply unit on the substrate.
- the first head unit moves between the first conveyance lane disposed at one end of the three conveyance lanes and the first component supply unit, and moves to the substrate supported by the first conveyance lane.
- the second head unit Move between the second transport lane arranged at the other end of the three transport lanes and the second component supply unit, and take charge of component mounting on the board supported by the second transport lane, Of the three transport lanes, the third transport lane between the first transport lane and the second transport lane is offset to one of the first and second transport lanes, and the first and second head units Among them, the head unit in charge of mounting the component on the board supported by either the first or second transfer lane, where the third transfer lane is offset, mounts the component on the board supported by the third transfer lane.
- the component mounting method transports the substrate in the X direction while supporting the board, and also includes three transport lanes and three transport lanes arranged in parallel with each other.
- a first component supply unit that is arranged on one side in the Y direction orthogonal to the X direction and supplies components and a component that is arranged on the other side opposite to one side in the Y direction with respect to the three transport lanes
- the component mounting on the board supported by the first transfer lane disposed at one end of the three transfer lanes
- the first head unit that takes charge of the movement is moved between the first component supply unit and the first transport lane, and the component supplied from the first component supply unit is mounted on the substrate supported by the first transport lane.
- three of the three transport lanes Supply the second component by moving the second head unit in charge of mounting the component on the board supported by the second transfer lane disposed at the end on the side between the second component supply unit and the second transfer lane. Mounting the component supplied from the unit on the substrate supported by the second transport lane, and the third transport lane supported by the third transport lane between the first transport lane and the second transport lane among the three transport lanes. Mounting the component on the board, the third transport lane is offset to one of the first and second transport lanes, and the third transport lane is offset from the first and second head units.
- the head unit in charge of component mounting on the substrate supported by one of the first and second transport lanes mounts the component on the substrate supported by the third transport lane.
- the first component supply unit is disposed on one side of the three transport lanes
- the second component supply unit is disposed on the other side of the three transport lanes. Is arranged. Then, the first head unit moves between the first conveyance lane disposed at one end of the three conveyance lanes and the first component supply unit, and is supported by the first conveyance lane. The second head unit moves between the second transport lane disposed at the other end of the three transport lanes and the second component supply unit to perform the second transport. Responsible for component mounting on the board supported by the lane. In addition, one of the first and second head units is in charge of component mounting on the board supported by the third transport lane between the first and second transport lanes.
- the third transport lane is adjacent to each of the first and second transport lanes. Therefore, for example, if the first head unit is in charge of component mounting on the board of the third transport lane, in order to avoid interference between the first head unit and the second head unit, It may be necessary to wait for component mounting on the substrate or component mounting on the substrate in the second transport lane by the second head unit. At this time, if the third transport lane and the second transport lane are close to each other, there is a possibility that the head unit waits frequently and the head unit standby time increases. Further, even if the second head unit is in charge of component mounting on the board in the third transport lane, there is a possibility that the standby time of the head unit may increase similarly.
- the third transport lane is offset to one of the first and second transport lanes.
- the head unit in charge of component mounting on the board supported by either the first or second transport lane where the third transport lane is offset is supported by the third transport lane.
- the third transport lane is offset from the first transport lane
- the first head unit responsible for component mounting on the board supported by the first transport lane is supported by the third transport lane.
- the third transport lane is offset from the first transport lane, in other words, away from the second transport lane.
- the head since the first head unit that mounts components on the substrate supported by the third transport lane and the second head unit that mounts components on the substrate supported by the second transport lane are relatively separated from each other, the head It is possible to suppress the frequency of unit standby. Further, even if the third transport lane is offset from the second transport lane, the frequency with which the standby of the head unit occurs can be similarly suppressed. Thus, in the present invention, it is possible to suppress an increase in the standby time of the head unit.
- the component mounting apparatus may be configured such that the third transport lane is offset only in one of the first and second transport lanes. At this time, the component mounting apparatus may be configured such that the transport lane in which the third transport lane is offset from the first transport lane and the third transport lane are fixed to each other.
- the component may further include a drive unit that is movable in the third transport lane between a position shifted to the first transfer lane and a position shifted to the second transfer lane among the first and second transfer lanes.
- a mounting device may be configured. In such a configuration, a head unit suitable for component mounting on the substrate supported by the third transport lane is selected from the first and second head units, and component mounting can be performed on the substrate of each transport lane.
- the head unit in charge of component mounting on the substrate supported by the third transport lane performs component mounting on the substrate supported by each of the two transport lanes. It becomes.
- This component mounting can be performed in various specific ways. That is, among the first and second head units, the head unit that mounts components on the substrate supported by the third transport lane is the component to the board in charge among the substrates supported by the first and second transport lanes.
- the component mounting apparatus may be configured so that the mounting and the component mounting on the board supported by the third transport lane are executed in series.
- the head unit that mounts components on the substrate supported by the third transport lane among the first and second head units is a component to the board in charge among the substrates supported by the first and second transport lanes.
- the component mounting apparatus may be configured to execute the mounting and the component mounting on the board supported by the third transport lane in parallel.
- an increase in standby time of a head unit for mounting components from the component supply unit to the substrate is suppressed. be able to.
- FIG. 2 is a block diagram schematically illustrating a configuration for controlling the component mounting apparatus in FIG. 1. It is a flowchart for determining the position of a center conveyance lane and the head unit which mounts components in the said conveyance lane.
- FIG. 4 is a flowchart showing a subroutine of “determine a board type for each transport lane” executed in the flowchart of FIG. 3.
- FIG. 4 is a flowchart showing a “determination of the position of a third transport lane” subroutine executed in the flowchart of FIG. 3.
- FIG. 4 is a flowchart showing a “determine mounting operation” subroutine executed in the flowchart of FIG. 3; It is a top view which shows typically the modification of a structure of a conveyance lane.
- FIG. 1 is a plan view schematically illustrating a schematic configuration of a component mounting apparatus to which the present invention is applicable.
- the X direction which is the substrate transport direction and the Y direction perpendicular to the X direction in the horizontal plane are shown, and one side Y (+) in the Y direction and one side Y (+) in the Y direction The opposite other side Y ( ⁇ ) is shown.
- the component mounting apparatus 1 is a triple lane type apparatus in which three transfer lanes 2a, 2b, and 2c are arranged in parallel, and each of the transfer lanes 2a, 2b, and 2c is located upstream in the board transfer direction X (same figure). After the board 10 carried in from the right side is stopped at a predetermined mounting position 11 (the position of the board 10 in the figure), it is carried out to the downstream side (left side in the figure) in the board conveyance direction X.
- the component mounting apparatus 1 includes component supply units 5a and 5b arranged on both sides in the Y direction of the three transfer lanes 2a, 2b, and 2c.
- Each of the component supply units 5a and 5b has a configuration in which a plurality of tape feeders 51 are arranged in the X direction.
- Each tape feeder 51 has a schematic configuration in which a tape for storing small-sized electronic components such as an integrated circuit (IC), a transistor, and a capacitor is wound around a reel, and the electronic components are intermittently conveyed from the reel to the lane 2a.
- the electronic components are supplied by sending them to the end 52 on the 2b, 2c side.
- the types of feeders constituting the component supply units 5a and 5b are not limited to tape-type feeders, and may be tray-type feeders that supply electronic components while being placed on a tray.
- the component mounting apparatus 1 includes head units 6a and 6b that are movable in the XY directions.
- the head units 6a and 6b have ten suction nozzles 61 arranged in the X direction, and the parts can be sucked by the suction nozzles 61.
- the head unit 6a (first head unit) is an end of each tape feeder 51 of the component supply unit 5a (first component supply unit) arranged on one side Y (+) in the Y direction of the transport lanes 2a, 2b, 2c. Parts are picked up from the part 52 and transferred to the substrate 10.
- the head unit 6b (second head unit) is a tape feeder 51 of the component supply unit 5b (second component supply unit) disposed on the other side Y (-) in the Y direction of the transport lanes 2a, 2b, 2c. A component is picked up from the end 52 of the substrate and transferred to the substrate 10.
- a mechanism for driving the head units 6a and 6b in the XY plane is provided.
- each of the head unit support portions 71a and 71b includes a ball screw shaft 72 extending in the X direction, a rail (not shown) that also extends in the X direction, and an X axis servo motor 74 that rotationally drives the ball screw shaft 72.
- the head units 6 a and 6 b to which the ball nut 73 is fixed are slidably supported by a rail (not shown) extending in the X direction, and the ball nut 73 is screwed onto the ball screw shaft 72. ing. Therefore, the head units 6a and 6b can be moved in the X direction by rotating the X-axis servo motor 74 of the head unit support portions 71a and 71b, respectively.
- the component mounting apparatus 1 has fixed rail portions 75 extending in the Y direction across the transport lanes 2a, 2b, and 2c on both sides in the X direction.
- the head unit support portions 71a and 71b It spans the fixed rail portion 75 from the X direction.
- a guide rail 76 extending in the Y direction is attached to each of the two fixed rail portions 75, and both ends of the head unit support portions 71 a and 71 b in the X direction can slide on the guide rail 76. It is supported by.
- a stator 77 made of a plurality of permanent magnets arranged along the Y direction is attached to each of the fixed rail portions 75, and a mover 78 made of a field coil is attached to each of the head unit support portions 71a and 71b. Is attached to face the stator 77. Therefore, by supplying current to the mover 78 attached to the head unit support portions 71a and 71b, the head unit support portions 71a and 71b can be moved in the Y direction along the guide rails 76, respectively.
- each of the head units 6a and 6b is placed in the XY plane above the substrate 10. It is possible to mount the components on the board 10 by moving. Specifically, for the substrate 10 on the transport lane 2a (first transport lane) at the end of one side Y (+) of the transport lanes 2a, 2b and 2c, the head unit 6a is provided with the component supply unit 5a. And mounting on the transfer lane 2a.
- the head unit 6b For the substrate 10 on the transport lane 2b (second transport lane) at the end of the other side Y ( ⁇ ) of the transport lanes 2a, 2b and 2c, the head unit 6b is connected to the component supply unit 5b and the transport lane 2b. Move between the top and mount components. Further, as will be described in detail later, one of the head units 6a and 6b corresponds to the substrate 10 supported by the central transport lane 2c (third transport lane) among the transport lanes 2a, 2b and 2c. The component mounting is performed by moving between the component supply units 5a and 5b to be performed and the upper part of the transport lane 2b.
- the transport lane 2a is configured by arranging two conveyors 21 and 22 extending in the X direction in parallel.
- the conveyor 21 arranged on one side Y (+) is a fixed conveyor fixed in the Y direction
- the conveyor 22 arranged on the other side Y ( ⁇ ) is a movable conveyor movable in the Y direction. Therefore, by moving the conveyor 22 in the Y direction and changing the interval between the conveyors 21 and 22, the width of the transport lane 2 a can be adjusted in the Y direction according to the width of the substrate 10.
- the transport lane 2b is configured by arranging two conveyors 23 and 24 extending in the X direction in parallel.
- the conveyor 23 arranged on one side Y (+) is a movable conveyor movable in the Y direction
- the conveyor 24 arranged on the other side Y ( ⁇ ) is a fixed conveyor fixed in the Y direction. Therefore, by moving the conveyor 23 in the Y direction and changing the interval between the conveyors 23 and 24, the width of the transport lane 2 b can be adjusted in the Y direction according to the width of the substrate 10.
- the transport lane 2c is configured by arranging two conveyors 25 and 26 extending in the X direction in parallel. Both the conveyor 25 arranged on the one side Y (+) and the conveyor 26 arranged on the other side Y ( ⁇ ) are movable conveyors movable in the Y direction. Therefore, by changing the interval between the conveyors 25 and 26, the width of the transfer lane 3c can be adjusted in the Y direction according to the width of the substrate 10. Further, by moving both conveyors 25 and 26 to the same side in the Y direction, the transport lane 3c can be moved in the Y direction. As a result, the transport lane 2c can be shifted to the transport lane 2a, 2b can be offset.
- whether the transport lane 2c is offset can be evaluated by, for example, the center interval in the Y direction of the transport lanes 2a, 2b, and 2c.
- the centers of the transport lanes 2a, 2b, and 2c in the Y direction are lane centers Ca, Cb, and Cc, respectively, and the distance between the center Ca of the transport lane 2a and the center Cc of the transport lane 2c in the Y direction is the lane interval.
- the transport lane 2c can be evaluated that the transport lane 2c is close to the transport lane 2b when the lane interval L2 is shorter than the lane interval L1 (L2 ⁇ L1). Further, when the widths in the Y direction of the substrates 10 supported by the transport lanes 2a, 2b, and 2c are equal, the evaluation is performed using the edge interval of the substrate 10 instead of the center interval of the transport lanes 2a, 2b, and 2c. Also good.
- the edge interval L3 is shorter than the edge interval L4 (L3 ⁇ L4), it is evaluated that the transfer lane 2c is closer to the transfer lane 2a, and the edge interval L4 is greater than the edge interval L3. If it is short (L4 ⁇ L3), it can be evaluated that the transport lane 2c is close to the transport lane 2b.
- FIG. 1 illustrates a situation where the transport lane 2c is close to the transport lane 2b.
- FIG. 2 is a block diagram schematically illustrating a configuration for controlling the component mounting apparatus of FIG.
- a data creating apparatus 9 that creates data for controlling the component mounting apparatus 1 is also shown.
- the component mounting apparatus 1 includes drive mechanisms such as a Z-axis servo motor 65 and an R-axis servo motor 66 in addition to the X-axis servo motor 74 and the mover 78 described above for each of the head units 6a and 6b.
- the Z-axis servo motor 65 has a lowering height (lowering end) when picking up or mounting the desired suction nozzle 61 of the corresponding head unit 6a, 6b, and a rising height when carrying the component. It is moved up and down between (the rising end).
- the R-axis servomotor 66 rotates the desired suction nozzle 61 of the corresponding head unit 6a, 6b around the nozzle center axis.
- the component mounting apparatus 1 includes lane driving mechanisms 3a, 3b, and 3c for driving the transport lanes 2a, 2b, and 2c, respectively.
- the lane driving mechanism 3a drives the conveyor 22 of the transport lane 2a in the Y direction to adjust the width of the transport lane 2a in the Y direction.
- the lane driving mechanism 3b drives the conveyor 23 of the transport lane 2b in the Y direction to adjust the width of the transport lane 2b in the Y direction.
- the lane driving mechanism 3c drives the conveyors 25 and 26 of the transport lane 2c in the Y direction, adjusts the width of the transport lane 2c in the Y direction, and moves the transport lane 2c in the Y direction.
- the component mounting apparatus 1 includes a control unit 100 that comprehensively controls the above-described configuration.
- the control unit 100 is a CPU (Central The computer includes an arithmetic processing unit 110 configured by a processing unit, and includes a configuration in which the arithmetic processing unit 110 controls the display unit 120, the storage unit 130, the drive control unit 140, and the communication control unit 150.
- the display unit 120 is a user interface configured with a liquid crystal display or the like, and can indicate the state of the component mounting apparatus 1 to the user.
- the storage unit 130 is configured by a memory, a hard disk, or the like, and stores, for example, a mounting program that defines the content of component mounting executed by the component mounting apparatus 1.
- the drive control unit 140 controls the X-axis servo motor 74, the mover 78, the Z-axis servo 65, the R-axis servo 66, and the lane drive mechanisms 3a, 3b, and 3c, so that the head units 6a and 6b are controlled. Are moved in the XY plane, and the height and rotation angle of each suction nozzle 61 are adjusted.
- the communication control unit 150 controls communication with an external device (for example, the data creation device 9) of the component mounting apparatus 1.
- the component mounting apparatus 1 is provided with the two head units 6a and 6b, and these head units 6a and 6b perform component mounting on the substrate 10 in parallel while moving in the XY plane. Can do.
- the arithmetic processing unit 110 controls the drive control unit 140 so that the head units 6a and 6b are not simultaneously located in an area where the movement ranges of the head units 6a and 6b overlap.
- the movement in the XY plane of 6b is restricted. As a result, mutual interference between the head units 6a and 6b is prevented.
- the data creation device 9 is a computer having an arithmetic processing unit 91 composed of a CPU (Central Processing Unit), and has a configuration in which the arithmetic processing unit 91 controls the display unit 92, the storage unit 93, and the communication control unit 94.
- the display unit 92 is a user interface composed of a liquid crystal display or the like, and can indicate the state of the data creation device 9 to the user.
- the storage unit 93 is configured by a memory, a hard disk, or the like, and stores, for example, a mounting program.
- the communication control unit 94 controls communication with an external device (for example, the component mounting apparatus 1) of the data creation device 9.
- the data creation device 9 determines which of the transport lanes 2a and 2b at both ends is to be offset from the central transport lane 2c, and the head It is determined which of the units 6a and 6b is to execute component mounting on the central transport lane 2c. Moreover, these determinations are made so as to be appropriate for the component mounting execution procedure.
- FIG. 3 is a flowchart for determining the position of the central transport lane and the head unit that mounts components on the transport lane.
- FIG. 4 is a flowchart showing a subroutine “determine board type for each transport lane” executed in the flowchart of FIG.
- FIG. 5 is a flowchart showing a subroutine “determine the position of the third transport lane” executed in the flowchart of FIG. 3.
- FIG. 6 is a flowchart showing the “determine mounting operation” subroutine executed in the flowchart of FIG. 3.
- the present invention can also be applied to the case where one board is of the same type and one board is of a different type.
- the mounting program is read from the storage unit 93 to the arithmetic processing unit 91 in the data creation device 9.
- This mounting program includes the types of components to be mounted on the substrate 10, the mounting position, the mounting order, etc. in order to produce three types (or two types) of substrates using the three transfer lanes 2a, 2b and 2c. The procedure is defined for each type of substrate 10, and it is undecided as to which type of substrate 10 is to be produced in which transport lane 2a, 2b, 2c.
- step S200 the data generation device 9 determines the type of the board 10 on which the component mounting is performed in each of the transport lanes 2a, 2b, and 2c among the three boards 10 each of which is specified by the mounting program. (FIG. 4).
- step S201 “1” is set to the number “n” that identifies the transport lanes 2a, 2b, and 2c.
- the transport lane is specified using the number “n” like “nth transport lane”, and the transport lanes 2a, 2b and 2c correspond to the first, second and third transport lanes, respectively. did.
- step S202 the nth transport lane is selected.
- n 1, the first transport lane 2a is selected.
- a predicted CT Cycle Time, i.e., the board 10 is loaded into the mounting position 11 after the board 10 is loaded into the mounting position 11, the board 10 that has been mounted is unloaded, and the next board 10 is loaded. Time until loading into the mounting position 11) is read from the storage unit 93 into the arithmetic processing unit 91.
- the transportation lanes 2a, 2b, and 2c for mounting components are undecided for all three types (or two types) (in other words, all three types (or two types) are transport lanes 2a.
- the predicted CT is read for each of the three types (or two types) (because they are undecided types for 2b and 2c ⁇ 2).
- This predicted CT is a predicted CT required to produce the substrate 10 of the target product type, and is obtained in advance from the production results so far and stored in the storage unit 93.
- step S204 the type of the substrate 10 to be mounted in the nth transfer lane is determined as the type having the maximum predicted CT among the read types.
- step S205 the determined product type (in this case, the product having the largest predicted CT) of the transport lanes 2a, 2b, and 2c on which component mounting is performed in step S204 is removed from the undetermined product type.
- step S206 it is determined whether or not the type of substrate 10 to be produced has been determined for all of the three transfer lanes 2a, 2b, and 2c. If the determination of the type of board 10 to be produced is completed for all the transport lanes 2a, 2b, 2c (in the case of “YES” in step S206), the process returns to the flowchart of FIG. If “NO” in the step S206), the number “n” is incremented by “1” in a step S207, and the process returns to the step S202.
- the type of substrate 10 having the maximum predicted CT is produced in the first transport lane 2 a, and the predicted CT is second. It is determined that the long-type substrate 10 is produced in the second transport lane 2a, and the product substrate 10 having the shortest predicted CT is produced in the third transport lane 2c, and the flow returns to the flowchart of FIG.
- step S300 the position of the third transport lane 2c is determined (FIG. 5).
- step S301 the arithmetic processing unit 91 calculates the sum S1 of the predicted CT of the product for which the first transport lane 2a is responsible for production and the predicted CT of the product for which the third transport lane 2c is responsible for production.
- step S302 the arithmetic processing section 91 calculates the sum S2 of the predicted CT of the product for which the second transport lane 2b is responsible for production and the predicted CT of the product for which the third transport lane 2c is responsible for production.
- step S303 it is determined whether the sum S1 is greater than the sum S2.
- step S303 If it is determined in step S303 that S1> S2 ("YES" in step S303), the process proceeds to step S304, and it is determined that the third transport lane 2c is positioned at a position close to the second transport lane 2b. Returning to the flowchart of FIG. On the other hand, if it is determined in step S303 that S1 ⁇ S2 (if “YES” in step S303), the process proceeds to step S305 and it is determined that the third transport lane 2c is positioned at a position close to the first transport lane 2a. Then, it returns to the flowchart of FIG.
- step S400 the mounting operation is determined (FIG. 6).
- step S401 the first transport lane 2a is set as a mounting target by the first head unit 6a.
- the first head unit 6a performs component mounting on the substrate 10 on the first transport lane 2a.
- step S402 it is determined whether or not the third transport lane 2c is positioned in the first transport lane 2a so as to be determined in step S300.
- the third transport lane 2c is set as a mounting target by the first head unit 6a.
- the first head unit 6a mounts components on the substrate 10 on the third transport lane 2c.
- the third transport lane 2c is set as a mounting target by the second head unit 6b.
- the second head unit 6b mounts components on the substrate 10 on the third transport lane 2c.
- the second transport lane 2b is set as a mounting target by the second head unit 6b.
- the second head unit 6b mounts components on the substrate 10 on the second transport lane 2b.
- the transport lanes 2a, 2b, and 2c in which the first and second head units 6a and 6b are in charge of component mounting are determined.
- the first head unit 6a moves between the first transport lane 2a disposed at the end of the one side Y (+) and the first component supply unit 5a, and moves to the first transport lane 2a.
- the second head unit 6b moves between the second transport lane 2b disposed at the end of the other side Y ( ⁇ ) and the second component supply unit 5b, and is supported by the second transport lane 2b.
- the head unit In charge of mounting components to In addition, of the first and second head units 6a and 6b, the head unit in charge of component mounting on the substrate 10 supported by one of the first and second transport lanes 2a and 2b where the third transport lane 6c is offset. (6a / 6b) takes charge of component mounting on the board 10 supported by the third transport lane 2c.
- step S406 the mounting sequence of the first and second head units 6a, 6b is determined.
- the first head unit 6a when the first head unit 6a is in charge of component mounting on the substrate 10 supported by the third transport lane 2c, the first head unit 6a is supported by the first and third transport lanes 2a and 2c.
- Component mounting is performed on the single substrate 10.
- the component mounting on one substrate 10 and the component mounting on the other substrate 10 are performed in series, and after the component mounting on one substrate 10 is completed, the component mounting on the other substrate 10 is performed.
- the mounting sequence of one head unit 6a may be determined.
- component mounting on one substrate 10 and component mounting on the other substrate 10 are performed in parallel, and the period from the start of component mounting on one substrate 10 to the completion thereof, and the mounting on the other substrate 10
- the mounting sequence of the first head unit 6a may be determined so that the period from the start of component mounting to the completion thereof overlaps.
- the second head unit 6b is in charge of component mounting on the board 10 supported by the third transport lane 2c.
- step S500 a mounting program that defines the mounting sequence determined in step S406 is created and transmitted from the data creation device 9 to the component mounting device 1.
- the component mounting apparatus 1 memorize
- the first component supply unit 5a is arranged on one side Y (+) of the three transport lanes 2a, 2b, and 2c, and the three transport lanes 2a, 2b, and 2c are arranged.
- the second component supply unit 5b is disposed on the other side Y ( ⁇ ).
- the 1st head unit 6a moved between the 1st conveyance lane 2a arrange
- the second head unit 6b is in charge of component mounting on the board 10, and the second head unit 6b moves between the second transport lane 2b disposed at the end of the other side Y ( ⁇ ) and the second component supply unit 5b. 2 In charge of component mounting on the board 10 supported by the transport lane 2b. Also, one of the first and second head units 6a and 6b is in charge of component mounting on the board 10 supported by the third transport lane 2c between the first and second transport lanes 2a and 2b. However, the third transport lane 2c is adjacent to each of the first and second transport lanes 2a and 2b.
- the range in which the second head unit 6b moves for mounting components on the substrate 10 in the second transport lane 2b may partially overlap. Therefore, in order to avoid interference between the first head unit 6a and the second head unit 6b, it may be necessary to wait for component mounting by the first head unit 6a or component mounting by the second head unit 6b.
- the overlapping area of each range in which the first and second head units 6a and 6b move for component mounting increases, and the head unit
- the standby time of the head units 6a and 6b may increase due to frequent standby of 6a and 6b.
- the second head unit 6b is in charge of component mounting on the board 10 in the third transport lane 2c, there is a possibility that the standby time of the head units 6a and 6b may increase similarly.
- the third transport lane 2c is offset to one of the first and second transport lanes 2a, 2b.
- the head unit in charge of component mounting on the substrate 10 supported by one of the first and second transport lanes 2a and 2b offset by the third transport lane 2c. (6a / 6b) mounts components on the substrate 10 supported by the third transport lane 2c.
- the third transport lane 2c is offset from the first transport lane 2a
- the first head unit 6a in charge of component mounting on the substrate 10 supported by the first transport lane 2a performs the third transport lane. Also responsible for mounting components on the board 10 supported by the lane 2c.
- the third transport lane 2c is offset from the first transport lane 2a, in other words, away from the second transport lane 2b. Therefore, a space between the first head unit 6a that mounts components on the substrate 10 supported by the third transport lane 2c and the second head unit 6b that mounts components on the substrate 10 supported by the second transport lane 2b is provided. Since they are relatively separated from each other, the overlapping areas of the respective ranges in which the first and second head units 6a and 6b move for component mounting are reduced or eliminated, and the frequency of waiting of the head units 6a and 6b can be suppressed. .
- the frequency of the standby of the head units 6a and 6b can be similarly suppressed.
- the lane driving mechanism 3c that can move in the third transport lane 2c between the position shifted to the first transfer lane 2a and the position shifted to the second transfer lane 2b is provided. Is provided.
- a head unit (6a / 6b) suitable for component mounting on the substrate 10 supported by the third transport lane 2c is selected from the first and second head units 6a and 6b, There is an advantage that components can be mounted on the substrate 10 on the transport lanes 2a, 2b, and 2c.
- the present invention is not limited to the above embodiment, and various modifications can be made to the above without departing from the spirit of the present invention.
- the method for determining the type of substrate 10 to be produced in the transfer lanes 2a, 2b, and 2c is not limited to the method shown in FIG. 4 and can be changed as appropriate.
- the method for positioning the third transport lane 3c is not limited to the method shown in FIG. 5 and can be changed as appropriate.
- the third transport lane 2c can selectively take both the position shifted to the first transfer lane 2a and the position shifted to the second transfer lane 2b.
- the component mounting apparatus 1 may be configured such that the third transport lane 2c is offset only in one of the first and second transport lanes 2a and 2b.
- FIG. 7 is a plan view schematically showing a modified example of the configuration of the transport lane, and particularly illustrates a configuration in which the third transport lane 2c is offset from the second transport lane 2b.
- the conveyor 21 arranged on one side Y (+) is a fixed conveyor fixed in the Y direction
- the conveyor 22 arranged on the other side Y ( ⁇ ) is The movable conveyor is movable in the Y direction.
- a ball nut 31 attached to the end of the conveyor 22 in the X direction, a ball screw shaft 32 extending in the Y direction and screwed to the ball nut 31, and a servo motor 33 that rotationally drives the ball screw shaft 32 are provided. Is provided. Therefore, by rotating the servo motor 33, the conveyor 22 can be moved in the Y direction, and the width of the transport lane 2a can be adjusted in the Y direction.
- the conveyor 24 arranged on the other side Y ( ⁇ ) is a conveyor fixed in the Y direction
- the conveyor 23 arranged on the one side Y (+) is movable in the Y direction. It is a movable conveyor.
- the two conveyors 25 and 26 constituting the transport lane 2c are both movable conveyors movable in the Y direction.
- the conveyor 23 in the transport lane 2b and the conveyor 26 in the transport lane 2c are attached to a conveyor support member 34 extending in the X direction, and are fixed to each other.
- the transport lanes 2b and 2c are fixed to each other via the conveyor support member 34.
- a ball nut 35 attached to an end portion in the X direction of the conveyor support member 34, a ball screw shaft 36 extending in the Y direction and screwed into the ball nut 35, and a servo motor 37 for rotating the ball screw shaft 36 are provided. Is provided. Further, on the opposite side to the ball nut 35, a servo motor 38 attached to the end of the conveyor support member 34 in the X direction, a ball screw shaft 39 driven to rotate by the servo motor 38, and an end of the conveyor 25 are attached. A ball nut 40 that is screwed onto the ball screw shaft 39 is provided.
- the conveyor 23 can be moved in the Y direction together with the conveyor support member 34, and the width of the transport lane 2b can be adjusted in the Y direction.
- the conveyor 25 can be moved in the Y direction with respect to the conveyor 26, and the width of the transport lane 2c can be adjusted in the Y direction.
- the servo motor 37 is rotated to adjust the width of the transport lane 2b in the Y direction, and the conveyor 26 is moved in the Y direction together with the conveyor support member 34.
- the servo motor 38 is rotated to move the conveyor 25 to the Y direction. By moving in the direction, the transport lane 2c can be moved in the Y direction.
- the second head unit 6b mounts components on the board 10 supported by the third transport lane 2c.
- the third transport lane 2c is offset from the second transport lane 2b, in other words, away from the first transport lane 2a. Therefore, a space between the second head unit 6b that mounts components on the substrate 10 supported by the third transport lane 2c and the first head unit 6a that mounts components on the substrate 10 supported by the first transport lane 2a is provided. Since they are relatively separated from each other, the overlapping areas of the respective ranges in which the first and second head units 6a and 6b move for component mounting are reduced or eliminated, and the frequency of waiting of the head units 6a and 6b can be suppressed. It has become.
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Abstract
Description
Processing Unit)で構成された演算処理部110を有するコンピューターであり、表示ユニット120、記憶部130、駆動制御部140および通信制御部150を演算処理部110で制御する構成を具備する。表示ユニット120は、液晶ディスプレイ等で構成されたユーザーインターフェースであり、部品実装装置1の状態をユーザーに示すことができる。記憶部130は、メモリーあるいはハードディスク等によって構成され、例えば部品実装装置1で実行する部品実装の内容を規定する実装プログラムを記憶する。駆動制御部140は、X軸サーボモーター74、可動子78、Z軸サーボ-タ65、R軸サーボ-タ66、およびレーン駆動機構3a、3b、3cを制御することで、ヘッドユニット6a、6bをXY面内で移動させたり、各吸着ノズル61の高さや回転角度を調整したりする。通信制御部150は、部品実装装置1の外部の機器(例えば、データ作成装置9)との通信を制御するものである。
10…基板
2a…搬送レーン(第1搬送レーン)
2b…搬送レーン(第2搬送レーン)
2c…搬送レーン(第3搬送レーン)
3a…レーン駆動機構
3b…レーン駆動機構
3c…レーン駆動機構
5a…部品供給部(第1部品供給部)
5b…部品供給部(第2部品供給部)
6a…ヘッドユニット(第1ヘッドユニット)
6b…ヘッドユニット(第2ヘッドユニット)
Claims (7)
- それぞれが基板を支持しつつX方向へ搬送するとともに互いに並列に配置された3本の搬送レーンと、
前記3本の搬送レーンに対して前記X方向に直交するY方向の一方側に配置されて部品を供給する第1部品供給部と、
前記3本の搬送レーンに対して前記Y方向の前記一方側と逆の他方側に配置されて部品を供給する第2部品供給部と、
前記第1部品供給部が供給する部品を基板に実装する第1ヘッドユニットと、
前記第2部品供給部が供給する部品を基板に実装する第2ヘッドユニットと
を備え、
前記第1ヘッドユニットは、前記3本の搬送レーンのうち前記一方側の端に配置された第1搬送レーンと前記第1部品供給部との間を移動して、前記第1搬送レーンに支持された基板への部品実装を担当し、
前記第2ヘッドユニットは、前記3本の搬送レーンのうち前記他方側の端に配置された第2搬送レーンと前記第2部品供給部との間を移動して、前記第2搬送レーンに支持された基板への部品実装を担当し、
前記3本の搬送レーンのうち前記第1搬送レーンと前記第2搬送レーンとの間の第3搬送レーンは、前記第1および前記第2搬送レーンのうちのいずれかに片寄り、
前記第1および前記第2ヘッドユニットのうち、前記第3搬送レーンが片寄る前記第1および前記第2搬送レーンのいずれかに支持される基板への部品実装を担当するヘッドユニットが、前記第3搬送レーンに支持される基板へ部品を実装することを特徴とする部品実装装置。 - 前記第1および前記第2搬送レーンのうちのいずれかにのみ、前記第3搬送レーンが片寄る請求項1に記載の部品実装装置。
- 前記第1および前記第2搬送レーンのうち前記第3搬送レーンが片寄る搬送レーンと前記第3搬送レーンとが相互に固定されている請求項2に記載の部品実装装置。
- 前記第1および前記第2搬送レーンのうち前記第1搬送レーンに片寄った位置と前記第2搬送レーンに片寄った位置との間で前記第3搬送レーンを移動自在である駆動部をさらに備える請求項1に記載の部品実装装置。
- 前記第1および前記第2ヘッドユニットのうち前記第3搬送レーンに支持される基板へ部品を実装するヘッドユニットは、前記第1および前記第2搬送レーンそれぞれに支持される基板のうち担当する基板への部品実装と、前記第3搬送レーンに支持される基板への部品実装とを、直列に実行する請求項1ないし4のいずれか一項に記載の部品実装装置。
- 前記第1および前記第2ヘッドユニットのうち前記第3搬送レーンに支持される基板へ部品を実装するヘッドユニットは、前記第1および前記第2搬送レーンそれぞれに支持される基板のうち担当する基板への部品実装と、前記第3搬送レーンに支持される基板への部品実装とを、並列に実行する請求項1ないし4のいずれか一項に記載の部品実装装置。
- それぞれが基板を支持しつつX方向へ搬送するとともに互いに並列に配置された3本の搬送レーン、前記3本の搬送レーンに対して前記X方向に直交するY方向の一方側に配置されて部品を供給する第1部品供給部、および前記3本の搬送レーンに対して前記Y方向の前記一方側と逆の他方側に配置されて部品を供給する第2部品供給部を用いて、基板へ部品の実装を行う部品実装方法において、
前記3本の搬送レーンのうち前記一方側の端に配置された第1搬送レーンに支持された基板への部品実装を担当する第1ヘッドユニットを、前記第1部品供給部と前記第1搬送レーンの間で移動させて、前記第1部品供給部から供給された部品を前記第1搬送レーンに支持された基板へ実装する工程と、
前記3本の搬送レーンのうち前記他方側の端に配置された第2搬送レーンに支持された基板への部品実装を担当する第2ヘッドユニットを、前記第2部品供給部と前記第2搬送レーンの間で移動させて、前記第2部品供給部から供給された部品を前記第2搬送レーンに支持された基板へ実装する工程と、
前記3本の搬送レーンのうち前記第1搬送レーンと前記第2搬送レーンとの間の第3搬送レーンに支持された基板へ部品を実装する工程と
を備え、
前記第3搬送レーンは、前記第1および前記第2搬送レーンのうちのいずれかに片寄り、
前記第1および前記第2ヘッドユニットのうち、前記第3搬送レーンが片寄る前記第1および前記第2搬送レーンのいずれかに支持される基板への部品実装を担当するヘッドユニットが、前記第3搬送レーンに支持される基板へ部品を実装することを特徴とする部品実装方法。
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