Component mounting system and component mounting method

Abstract

To provide a component mounting system capable of properly managing the correspondence between a component supply unit and a carrier tape, and provide a component mounting method.SOLUTION: The component mounting system includes: a first component information update unit that updates a storage unit depending on the status of a carrier tape in a component supply unit; a reinstallation detection unit that detects that the component supply unit has been reattached to a feeder base; a monitoring unit that detects a predetermined event caused by a work performed on the component supply unit mounted on a workbench and stores that same in an event storage unit of the component supply unit; and a second component information update unit that is configured so as to, when the occurrence of a predetermined event is stored in the event storage unit of the component supply unit whose reinstallation was detected by the reinstallation detection unit, execute a read request requesting the information acquisition unit to acquire the component information of the carrier tape attached to the component supply unit, and update the storage unit based on the component information acquired by the read request.SELECTED DRAWING: Figure 23

Description

[Technical Field]

[0001] The present disclosure relates to a component mounting system and a component mounting method that picks up components from a carrier tape containing the components and mounts them on a substrate. [Background technology]

[0002] Conventionally, a tape feeder (component supply unit) is known as a component supply unit used in a component mounting device that mounts components on a board. The component supply unit transports a carrier tape containing components and supplies the components to a predetermined component supply port. The component mounting device retrieves components from multiple component supply units and mounts them on a board. The components are supplied from component supply units attached to positions specified by a production program (production data). Therefore, when an operator supplies a carrier tape containing components to a component supply unit, a so-called component verification is performed, in which a barcode attached to the reel containing the carrier tape is read to confirm that the component is the component to be supplied, thereby preventing the carrier tape from being misplaced (see, for example, Patent Document 1). This allows the component supply unit, the carrier tape supplied to the component supply unit, and information such as the type and quantity of components held by the carrier tape to be associated and managed. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent Publication No. 2014-110322 Summary of the Invention [Problem to be solved by the invention]

[0004] However, when a component supply unit fails or an error occurs, the component supply unit may be removed from the component mounting device to perform recovery work. However, recovery work often requires removing the carrier tape from the component supply unit. Therefore, when a component supply unit whose carrier tape has been changed or removed from its pre-recovery state is re-attached to the component mounting device, there is a risk that component mounting work using the component mounting device will be performed in a state in which the carrier tape information associated with the component supply unit does not match the carrier tape actually attached to the component supply unit. The present disclosure aims to provide a component mounting system and a component mounting method that appropriately manages the correspondence between the component supply unit and the carrier tape even when a component supply unit that was removed from the component mounting device during component mounting work is re-attached. [Means for solving the problem]

[0005] The component mounting system of the present disclosure includes a component supply unit having a tape transport section that transports a carrier tape packed with a plurality of components along a tape transport path and supplies the components to a component removal position; a feeder base on which a plurality of the component supply units are mounted; a mounting head that picks up components from the component removal positions of the plurality of component supply units mounted on the feeder base and mounts them on a board; a control section that causes the mounting head to execute a component mounting operation of mounting the components on a board in accordance with a production program; an information acquisition section that acquires component information of a carrier tape used in the component supply unit; a memory section that stores the component information acquired by the information acquisition section or is updated based on the component information; and a first component information storage section that updates the memory section according to the state of the carrier tape in the component supply unit. a work table on which the component supply unit removed from the feeder base is temporarily mounted while being powered; a monitoring unit that detects a predetermined event caused by an operation performed on the component supply unit mounted on the work table and stores the event in a feeder memory unit of the component supply unit; and a second component information update unit that, when the occurrence of the predetermined event is stored in the feeder memory unit of the component supply unit whose remounting is detected by the remounting detection unit, executes a read request to request an operator to acquire component information of the carrier tape mounted on the component supply unit using the information acquisition unit, and updates the memory unit based on the component information acquired by the read request.

[0006] The component mounting method of the present disclosure includes the steps of: using a component supply unit to transport a carrier tape packed with a plurality of components along a tape transport path and supply the components to a component take-out position; using a mounting head to pick up components from the component take-out positions of a plurality of the component supply units attached to a feeder base and mount them on a board; acquiring component information of the carrier tape used in the component supply unit by an information acquisition unit; storing the component information acquired by the information acquisition unit in a storage unit or updating the storage unit based on the component information; and the step of detecting a predetermined event that occurs as a result of work performed on the component supply unit and storing the event in an event memory section of the component supply unit; the step of detecting that the component supply unit has been re-attached to the feeder base; and the step of, when the occurrence of the predetermined event is stored in the event memory section of the component supply unit whose re-attachment to the feeder base has been detected, executing a read request that requests an operator to acquire component information of the carrier tape attached to the component supply unit using the information acquisition section, and updating the memory section based on the component information acquired by the read request. [Effects of the Invention]

[0007] According to the present disclosure, it is possible to provide a component mounting system and a component mounting method that properly manages the correspondence between component supply units and carrier tapes even when a component supply unit that has been removed from a component mounting device during component mounting work is reattached. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a side view of a main part of a component mounting system including a component mounting device according to an embodiment; [Figure 2] FIG. 1 is a plan view of a component supply unit of a component mounting device according to an embodiment; [Figure 3] 1 is a side view of a main part of a feeder work device according to an embodiment of the present invention; [Figure 4]1 is a perspective view of a carrier tape according to an embodiment; [Figure 5] FIG. 1 is a perspective view of a handle of a component supply unit according to an embodiment; [Figure 6] FIG. 1 is a diagram showing a configuration of a component supply unit according to an embodiment; [Figure 7] Cross-sectional view showing the release of the carrier tape [Figure 8] A side view showing the configuration of the shutter unit [Figure 9] Side view showing the operation of the shutter unit [Figure 10] Side view showing the operation of the shutter unit [Figure 11] A side view showing the configuration of the exposed part [Figure 12] Side view showing the operation of the exposed part [Figure 13] Diagram showing the configuration of the component mounting system [Figure 14A] FIG. 10 is a diagram showing an example of parts management information. [Figure 14B] FIG. 10 is a diagram showing an example of a rereading condition; [Figure 14C] A diagram showing an example of event record information [Figure 15] A diagram explaining the transport of carrier tape in the component supply unit. [Figure 16] A diagram explaining the transport of carrier tape in the component supply unit. [Figure 17] A diagram explaining the transport of carrier tape in the component supply unit. [Figure 18] Flowchart for tape replacement processing [Figure 19] Flowchart for parts replenishment work support [Figure 20] FIG. 10 is a diagram showing the updating of the used parts information storage unit in accordance with the tape replacement process and the parts replenishment work support. [Figure 21] Re-insertion process flowchart [Figure 22A] A diagram showing an example of a part information input screen. [Figure 22B] FIG. 10 is a diagram showing another example of a part information input screen. [Figure 23]FIG. 10 is a diagram showing updating of the used part information storage unit in accordance with the remounting process. [Figure 24] A diagram showing updating of parts management information accompanying remounting processing [Figure 25] FIG. 10 is a diagram showing an example of a removal tape inquiry screen. [Figure 26A] A diagram showing updating of parts management information according to the disposal (disposal) of removed tape. [Figure 26B] A diagram showing updating of parts management information according to the disposal (storage) of removed tape DETAILED DESCRIPTION OF THE INVENTION

[0009] Hereinafter, exemplary embodiments of a component mounting device according to the present disclosure will be described with reference to the accompanying drawings. The present disclosure is not limited to the specific configurations of the following embodiments, and configurations based on similar technical ideas are also included in the present disclosure.

[0010] (Embodiment) First, a component mounting system 100 and a component mounting device 1 according to an embodiment of the present disclosure will be described with reference to Fig. 1. Fig. 1 is a simplified side view of a main part of the component mounting system 100 including the component mounting device 1.

[0011] The component mounting system 100 is a system for manufacturing a mounted board by mounting components 5 on a substrate 4. The component mounting system 100 includes a component mounting apparatus 1, a management apparatus 92, and a portable information terminal 95.

[0012] The component mounting device 1 is a device that repeatedly performs a series of component mounting operations, mounting components 5 onto a substrate 4 carried in from another device in an upstream process and carrying the substrate out to another device in a downstream process. The component mounting device 1 includes a main body 2 and a component supply unit 3.

[0013] In FIG. 1, the main body 2 includes a base 11, a substrate transport unit 12, a mounting head 13, a head moving mechanism 14, a power supply unit 15, an operation unit 16, and a main body control unit 17. The substrate transport unit 12 includes a conveyor mechanism, which transports the substrate 4 received from an upstream process device horizontally and positions it at a predetermined working position. In this embodiment, the transport direction of the substrate 4 in the component mounting device 1 is defined as the X direction (horizontal direction), and the up-down direction is defined as the Z direction. The direction perpendicular to both the X direction and the Z direction is defined as the Y direction (front-rear direction). The operation unit 16 is installed on the side of the main body 2. The operation unit 16 has a touch screen 16a on its surface, which displays information, operation buttons, etc. required to operate the component mounting device 1.

[0014] 1, the mounting head 13 has a plurality of nozzles 13a extending downward, and the lower end of each nozzle 13a generates a vacuum suction force that attracts the component 5. The head movement mechanism 14 has, for example, an XY table, and moves the mounting head 13 within the XY plane.

[0015] In FIG. 1, the component supply section 3 includes a cart 21 and a component supply unit 23.

[0016] The carriage 21 is provided with a feeder base 31 and a reel holding portion 32.

[0017] The feeder base 31 is a member for mounting the component supply units 23. The feeder base 31 is provided with a plurality of mounting slots (not shown) at equal intervals in the X direction for mounting the component supply units 23. The component supply units 23 supply components 5 to the mounting head 13 of the component mounting device 1, and are, for example, tape feeders.

[0018] The reel holding section 32 mounts and holds the reel 22 on which the carrier tape 24 is wound. The reel holding section 32 is provided with a plurality of holders (not shown) for holding the reel 22. The reel holding section 32 of this embodiment is configured to be able to hold two reels 22 for one component supply unit 23. This allows the reel holding section 32 to simultaneously supply two strips of carrier tape 24 to one component supply unit.

[0019] A barcode 28 containing information about the parts packed in the carrier tape 24 (hereinafter referred to as part information) is attached to the reel 22. The barcode 28 is a type of identifier that encodes information including the part information, but is not limited to a one-dimensional code and may be another identifier such as a two-dimensional code.

[0020] 2 is a schematic plan view showing a state in which a plurality of component supply units 23 are mounted on the feeder base 31. As shown in FIG. 2, a plurality of component supply units 23 can be mounted on the feeder base 31, lined up in the X direction. Each component supply unit 23 is provided with a component supply port 23b, and components 5 supplied to the component supply port 23b are picked up by the mounting head 13 and mounted on the board 4.

[0021] Each component supply unit 23 mounted on the feeder base 31 is a so-called autoload feeder that transports the carrier tape 24 mounted on the component supply unit 23 forward and supplies the components 5 held on the carrier tape 24 to a component supply port 23b at a predetermined position. As shown in FIG. 1 , the component supply unit 23 can hold a carrier tape 24 (next tape 24b) to be used after the current tape 24a, in addition to the carrier tape 24 (current tape 24a) currently being transported. When the components 5 on the current tape 24a run out, the component supply unit 23 ejects the current tape 24a and automatically transports the next tape 24b, supplying the components 5 held on the next tape 24b to the component supply port 23b. In this specification, when the next tape 24b reaches the component supply port 23b, the next tape 24b is referred to as the current tape 24a.

[0022] When component mounting device 1 performs a component mounting operation, first, board transport unit 12 operates to carry in board 4 from outside and position it at a predetermined work position. Once board 4 has been positioned at the work position by board transport unit 12, component supply unit 23 repeatedly performs a mounting turn by supplying components 5 to component supply port 23b and moving mounting head 13 using head moving mechanism 14.

[0023] In one mounting turn, the mounting head 13 performs a series of operations: it moves to a position above the component supply unit 23 and picks up the component 5 with the nozzle 13a, then moves to a position above the board 4 and mounts the component 5 on the board 4. Once all the components 5 to be mounted on the board 4 have been mounted by repeatedly performing the mounting turn, the board transport unit 12 operates and transports the board 4 to a downstream process device. This completes the component mounting operation for one board 4.

[0024] Component mounting system 100 further includes a feeder operation device 300 as a component not shown in Fig. 1. Fig. 3 is a side view schematically showing feeder operation device 300 and component supply unit 23 attached to feeder operation device 300.

[0025] Feeder operation device 300 is a device for temporarily mounting component supply unit 23 and performing operations on it, separate from feeder base 31 of component mounting device 1 shown in Fig. 1. For example, if an error occurs in component supply unit 23 that has been mounted on feeder base 31 and is being used, component supply unit 23 is removed from feeder base 31 and mounted on feeder operation device 300. This allows component supply unit 23 to be powered on and various recovery operations to be performed.

[0026] The feeder operation device 300 includes a work table 302 and a power supply unit 304. The work table 302 is a member for mounting and supporting the component supply unit 23, and has a mounting slot (not shown) for mounting the component supply unit 23. The power supply unit 304 is a member for supplying power to the unit control unit 64 of the component supply unit 23 mounted on the work table 302, and is built into the work table 302. The power supply unit 304 is, for example, a power supply.

[0027] The component supply unit 23 attached to the feeder work device 300 is in an "offline state" in which it cannot communicate with the component mounting device 1 or the management device 92.

[0028] Returning to FIG. 1 , the portable information terminal 95 is a component that allows the worker carrying it to receive notifications from the management device 92 and check the status of the component mounting device 1. The portable information terminal 95 is a type of information acquisition device that acquires component information on the reels 22 and carrier tapes 24 used in the component supply unit 23. The portable information terminal 95 has, for example, a barcode reader that can read barcodes 28 provided on the storage bodies (reels or cassettes) that store the carrier tapes 24. The portable information terminal 95 is wirelessly connected to the management device 92 via Wi-Fi or the like and can communicate with the management device 92. The portable information terminal 95 may also be capable of communicating with the component mounting device 1. The component information acquired by the portable information terminal 95 is transmitted to the management device 92. The portable information terminal 95 has a display panel 95a that displays information to be notified to the worker. Note that, although the present embodiment has been described using the portable information terminal 95 as an example of an information acquisition unit, any device that has a barcode reader may be used. If a wireless tag is used instead of the bar code 28, the device may have a reader for reading the information on the wireless tag.

[0029] Next, the carrier tape 24 will be described with reference to Figure 4. Figure 4 is an enlarged perspective view of a portion of the carrier tape 24. The carrier tape 24 has a base tape 51 and a top tape 52. The base tape 51 has a number of pockets 53 that open upward and are arranged in a row at equal intervals along the length of the base tape 51, and a component 5 is stored in each pocket 53. The top tape 52 is attached to the top surface of the base tape 51 and seals the component 5 in the pocket 53. In this way, the carrier tape 24 packages the components 5. A plurality of feed holes 54 are arranged in a row at equal intervals in a position parallel to the row of pockets 53 in the base tape 51.

[0030] The top tape 52 of the carrier tape 24 has an extension 52a extending from the tip of the base tape 51. The extension 52a is provided to allow the top tape 52 to be captured by an exposed portion 66, which will be described later, and the dimension of the extension 52a from the tip of the base tape 51 is the length necessary to reach and be captured by the exposed portion 66 from the tape transport path 60. The tip of the carrier tape 24 is cut so as to divide the feed holes 54.

[0031] <<Parts supply unit>> 1 and 3 has a handle 30. The handle 30 is a member that allows an operator to hold the component supply unit 23. The handle 30 of this embodiment is provided with an operation panel (operation section) for operating the component supply unit 23.

[0032] Fig. 5 is a perspective view showing the handle 30 of the component supply unit 23. As shown in Fig. 5, the handle 30 is provided with an operation panel 18 that enables an operator to operate the component supply unit 23. The operation panel 18 shown in Fig. 5 includes a plurality of operation switches 33 and a feeder display unit 34.

[0033] The operation switch 33 is a switch for executing various operations on the component supply unit 23. The operation switch 33 includes at least a forward drive switch for feeding the carrier tape 24 in the forward direction and a reverse drive switch for feeding the carrier tape 24 in the reverse direction. The amount of drive of the carrier tape 24 can be adjusted by the number of times and duration that the operation switch 33 is pressed.

[0034] The feeder display unit 34 displays information about the component supply unit 23. The feeder display unit 34 shown in FIG. 5 includes a 7-segment display 35 and lamps 36 and 37. The 7-segment display 35 is a section for displaying numerical values ​​and characters. The 7-segment display 35 displays, for example, the status of the component supply unit 23 and the carrier tape 24, as well as information about any errors that have occurred. The lamps 36 and 37 are lamps that can be turned on to notify the worker. The lamps 36 and 37 are turned on, for example, to notify the worker of the component supply unit 23 that is the target of the work, out of the multiple component supply units 23.

[0035] Next, a detailed configuration of the component supply unit 23 will be described with reference to Fig. 6. Fig. 6 is a schematic diagram of the component supply unit 23 of this embodiment.

[0036] The component supply unit 23 includes a tape transport path 60, a first tape transport section 61, a second tape transport section 62, a shutter unit 63, a unit control section 64, and a unit-side connector 65. The component supply unit 23 also includes a tape inlet 23a for feeding the carrier tape 24 into the tape transport path 60, a component supply port 23b for supplying components, and a discharge port 23c for discharging the carrier tape 24 from the tape transport path 60.

[0037] The tape transport path 60 is formed in the main body of the component supply unit 23, and guides the carrier tape 24 that is pulled out from the reel 22 and inserted into the component supply unit 23 from the tape inlet 23a through the inside of the component supply unit 23 to the component removal position 23ba, which is the position of the component supply outlet 23b, and then to the outlet 23c.

[0038] The tape inlet 23a opens on the upstream side of the component supply unit 23 in the tape feed direction. The outlet 23c opens on the downstream side of the tape feed direction. The tape transport path 60 communicates from the tape inlet 23a to the outlet 23c. The mounting head 13 removes the component 5 at a component removal position 23ba located downstream of the tape transport path 60.

[0039] In the process of continuously performing component mounting work, a plurality of carrier tapes 24 stored on a reel 22 are sequentially inserted into the tape inlet 23a and supplied to the component supply unit 23 as a unit lot.

[0040] The first tape transport unit 61 transports the carrier tape 24 to the component pick-up position 23ba on the downstream side of the tape transport path 60. The first tape transport unit 61 includes a first transport sprocket 61a that engages with the feed holes 54 of the carrier tape 24, a second transport sprocket 61b, a third transport sprocket 61c, and a drive unit 61d.

[0041] A first transport sprocket 61a, a second transport sprocket 61b, and a third transport sprocket 61c are arranged along the tape transport path 60 in this order from the downstream side.

[0042] The driving unit 61d includes, for example, a motor as a power source, and a power transmission member that transmits the power of the power source to the first to third conveying sprockets 61a to 61c. The power transmission member is, for example, a gear.

[0043] The second tape transport unit 62 feeds the carrier tape 24 inserted into the component supply unit 23 from the tape inlet 23a to the first tape transport unit 61. The second tape transport unit 62 is disposed on the upstream side of the tape transport path 60. The second tape transport unit 62 includes an input sprocket 62a, a tape support unit 62b, and a drive unit 62c.

[0044] The drive unit 62c has a function of rotating the loading sprocket 62a in the direction of arrow a1 and a function of moving the loading sprocket 62a and the tape support unit 62b in the direction of arrow a2. By driving the loading sprocket 62a to rotate in the direction of arrow a1, the loaded carrier tape 24 can be carried downstream along the tape transport path 60.

[0045] The tape transport path 60 widens significantly near the tape inlet 23a on the upstream side of the tape transport path 60, and a tape support part 62b is arranged in this widened space so as to divide the tape transport path 60 in half. Therefore, the component supply unit 23 can transport another carrier tape 24 downstream along the bottom surface 60a of the tape transport path 60 below the tape support part 62b, with the leading end of the carrier tape 24 supported by the tape support part 62b at the upstream end of the tape transport path 60. In addition, the drive part 62c can move the carry-in sprocket 62a and the tape support part 62b, thereby moving the carrier tape 24 supported by the tape support part 62b to the bottom surface 60a of the tape transport path 60.

[0046] The drive unit 62c includes, for example, a motor as a power source and a power transmission member that transmits the power of the power source to the feed sprocket 62a. The power transmission member is, for example, a gear. The drive unit 62c also includes a power transmission mechanism that combines a link mechanism, gears, elastic members, etc., that uses power from a separate power source to move the feed sprocket 62a and the tape support unit 62b in the direction of arrow a2.

[0047] The first tape transport unit 61 and the second tape transport unit 62 are a "tape transport unit" that transports the carrier tape 24 along the tape transport path 60 and supplies the component 5 to the component pick-up position 23ba. In the case of a component supply unit that does not have the second tape transport unit 62, the first tape transport unit 61 is the tape transport unit.

[0048] The component supply unit 23 includes a first sensor PH1, a second sensor PH2, and a third sensor PH3, which are arranged along the tape transport path 60 in this order from the upstream side.

[0049] The first sensor PH1 detects that the carrier tape 24 inserted into the tape support portion 62b of the component supply unit 23 has reached a first checkpoint provided at the downstream end of the tape support portion 62b.

[0050] The second sensor PH2 detects the presence or absence of the carrier tape 24 at a second check point provided downstream of the first check point and near the junction where the tape support portion 62b joins the tape transport path 60 on the extension of the tape support portion 62b.

[0051] The third sensor PH3 detects the presence or absence of the carrier tape 24 at a third checkpoint located downstream of the exposed portion 66 of the tape transport path 60 and upstream of the component removal position 23ba. The first sensor PH1 to the third sensor PH3 are optical sensors, such as color sensors or photo sensors, that directly or indirectly detect the presence or absence of the carrier tape 24 at each checkpoint.

[0052] The tape support portion 62b supports the carrier tape 24 and maintains the orientation of the carrier tape 24 as it is fed. See FIG. 7. The tape support portion 62b is composed of a first support portion 62ba and a second support portion 62bb. A thin plate-shaped left cover 62bcL and a right cover 62bcR are attached to both sides of the component supply unit 23 so as to sandwich the tape feed path 60 from the left and right. The upper end of the right cover 62bcR ends at a position lower than the tape support portion 62b, and a thin plate-shaped movable member 62bd is disposed above it to complement the right cover 62bcR. For convenience, in the following description, one side will be referred to as the left and the other as the right, facing the downstream direction in which the carrier tape 24 is fed in the component supply unit 23, as shown in FIG. 6.

[0053] The left cover 62bcL extends in the tape feed direction and the up-down direction (Z direction). The inner surface (right surface) of the left cover 62bcL is a guide surface that guides the left surface of the carrier tape 24. The left cover 62bcL is fixed to the left surface of the main body of the component supply unit 23. Similarly, the right cover 62bcR is fixed to the right surface of the main body of the component supply unit 23.

[0054] The first support portion 62ba supports one side in the width direction of the carrier tape 24 from below. The first support portion 62ba is formed on the right side surface of the left cover 62bcL and extends from the tape inlet 23a to below the shutter unit 63. The second support portion 62bb supports the other side of the carrier tape 24 from below. The second support portion 62bb is formed on the left side surface of a movable member 62bd (described later), extends downstream from the tape inlet 23a, and terminates just before the shutter unit 63.

[0055] The movable member 62bd has a plate-like shape and is attached to the main body of the component supply unit 23 so as to be movable in the vertical direction. The movable member 62bd is attached integrally with the loading sprocket 62a, and when the movable member 62bd moves in the vertical direction, the loading sprocket 62a also moves in the vertical direction. The inner surface of the movable member 62bd is a guide surface that guides the right side surface of the carrier tape 24. The movable member 62bd is moved in the vertical direction (arrow a2 in FIG. 6) by the drive unit 62c.

[0056] Next, the function of releasing the carrier tape 24 from the tape support portion 62b to the tape transport path 60 will be described. As shown in FIG. 7(a), the carrier tape 24 is held by the tape support portion 62b with the movable member 62bd in its initial position and the second support portion 62bb at the same height as the first support portion 62ba. When releasing the carrier tape 24 from the tape support portion 62b, the unit control portion 64 drives the drive portion 62c to move the movable member 62bd upward. As a result, the movable member 62bd rises together with the second support portion 62bb and the feed sprocket 62a.

[0057] As the movable member 62bd rises, the carrier tape 24 moves upward while being supported on the lower surface of the right side by the second support portion 62bb, and the pin 62aa of the loading sprocket 62a disengages from the feed hole 54 of the carrier tape 24 and twists counterclockwise.

[0058] As shown in FIG. 7(b), when the movable member 62bd rises further, the twist of the carrier tape 24 increases, and eventually the carrier tape 24 slips off the first support portion 62ba and the second support portion 62bb.

[0059] The carrier tape 24 released from the tape support portion 62b moves to the bottom surface 60a of the tape transport path 60 below the tape support portion 62b. Once the carrier tape 24 is released from the tape support portion 62b, the next carrier tape 24 (next tape 24b) can be inserted into the tape support portion 62b at any time.

[0060] <Shutter unit> Next, the shutter unit 63 will be described with reference to Fig. 8. Fig. 8 is a side view showing the configuration of the shutter unit, Fig. 8(a) shows a state in which the carrier tape 24 has not yet reached the shutter unit 63, and Fig. 8(b) shows a state in which the carrier tape 24 is stopped by the shutter unit 63.

[0061] The shutter unit 63 prevents the carrier tape 24 supported by the tape support portion 62b from proceeding further downstream in the tape transport path 60. The shutter unit 63 includes a tape detection mechanism 63a and a gate unit 63b.

[0062] The tape detection mechanism 63a detects that the carrier tape 24 supported by the tape support portion 62b has reached the shutter unit 63. The tape detection mechanism 63a includes a tape detection piece 71, a pin 72, and a first sensor PH1.

[0063] The tape detection piece 71 has a generally L-shape and includes a plate-like portion 71a extending toward the tape support portion 62b, a contact portion 71b extending from the upstream side of the plate-like portion 71a toward the tape support portion 62b, and a light-shielding portion 71c extending from the downstream end of the plate-like portion 71a in the opposite direction (upward) from the direction of the tape support portion 62b. The tape detection piece 71 is attached to the main body of the component supply unit 23 so as to be swingable about a fulcrum 71d provided near the upstream end. The plate-like portion 71a is supported from below by a pin 72 fixed downstream of the fulcrum 71d. The contact portion 71b protrudes from the plate-like portion 71a of the tape detection piece 71 toward the first support portion 62ba, and its lower end is positioned so as to be able to contact the leading edge of the carrier tape 24 moving along the upper surface of the first support portion 62ba. The position of the contact portion 71b serves as a first checkpoint for detecting the carrier tape 24.

[0064] The first sensor PH1 is disposed above the light-shielding portion 71c. As shown in FIG. 8(b), when the carrier tape 24 travels downstream along the tape support portion 62b, the leading end of the carrier tape 24 pushes the contact portion 71b downstream, causing the tape detection piece 71 to rotate counterclockwise around the fulcrum 71d. This causes the light-shielding portion 71c to block the light emitted from the first sensor PH1, causing the first sensor PH1 to transmit a detection signal to the unit control portion 64. This makes it possible to detect that the carrier tape 24 has reached the shutter unit 63 (reached the first checkpoint).

[0065] 8(a), the gate unit 63b includes a gate 74, a compression spring 75, a locking member 76, a lever 77, an actuator 78, and a return spring 79. The gate unit 63b controls, based on an instruction from the unit control unit 64, whether the carrier tape 24 supported by the tape support unit 62b is advanced further downstream along the tape transport path 60 or is stopped.

[0066] The gate 74 is, for example, a plate-shaped member, and one end of a compression spring 75 is connected to the upper end of the gate 74. The other end of the compression spring 75 is attached to the main body 23d of the component supply unit 23. The gate 74 is biased toward the first support portion 62ba by the compression spring 75. Therefore, the lower end of the gate 74 is in contact with the upper surface of the first support portion 62ba.

[0067] A locking member 76 prevents the gate 74 from rising against the spring force of the compression spring 75. The locking member 76 is, for example, a rod, one end of which is inserted laterally into a recess 74a formed in the side surface of the gate 74.

[0068] Lever 77 is attached to the main body of component supply unit 23 in a state in which it can swing around fulcrum 77a located in the center. A locking member 76 is fixed to one end (lower end) of lever 77. Locking member 76 extends laterally toward recess 74a formed in the side surface of gate 74. The other end (upper end) of lever 77 is connected to rod 78a of actuator 78. One end of return spring 79 is connected between fulcrum 77a of lever 77 and one end of lever 77.

[0069] Actuator 78 extends and retracts rod 78a in response to instructions from unit control unit 64. Return spring 79 biases lever 77 in a direction that pulls it, i.e., biases it to rotate clockwise. As a result, return spring 79 causes the tip of locking member 76 to be inserted into recess 74a on the side of gate 74. When locking member 76 is inserted into recess 74a on the side of gate 74, upward movement of gate 74 is restricted, and the gate is in a locked state. On the other hand, when actuator 78 is operated to swing lever 77 counterclockwise against the spring force of return spring 79, locking member 76 is released from recess 74a, allowing upward movement of gate 74, i.e., the gate is unlocked.

[0070] Next, the operation of the shutter unit will be described with reference to Figures 8 to 10. Figure 9 is a side view showing the configuration of the shutter unit, with Figure 9(a) showing a state in which the locking member is unlocked and Figure 9(b) showing a state in which the carrier tape 24 passes through the shutter unit 63. Figure 10 shows a state in which the carrier tape 24 has fallen from the tape support portion 62b.

[0071] As shown in Fig. 8(a), the carrier tape 24 is inserted from the tape inlet 23a along the tape support portion 62b and advances downstream. Next, as shown in Fig. 8(b), when the leading edge of the carrier tape 24 contacts the contact portion 71b of the tape detection piece 71, the contact portion 71b is pushed downstream, causing the tape detection piece 71 to swing counterclockwise around the fulcrum 71d as its central axis. As a result, the light-shielding portion 71c of the tape detection piece 71 blocks the optical path of the first sensor PH1, and the first sensor PH1 sends a detection signal to the unit control portion 64.

[0072] After contact portion 71b of tape detection piece 71 swings, the leading edge of carrier tape 24 comes into contact with gate 74 and pushes gate 74 upward. Gate 74 is pushed upward by carrier tape 24, but the wall surface of recess 74a of gate 74 hits locking member 76, preventing gate 74 from moving upward. Therefore, gate 74 prevents carrier tape 24 from entering tape transport path 60 in the downstream direction.

[0073] Next, when the carrier tape 24 is to be transported downstream of the gate 74, the unit control section 64 drives the actuator 78 to release the gate 74 from its locked state.

[0074] When the actuator 78 is driven, as shown in FIG. 9(a), the rod 78a extends toward the lever 77, causing the lever 77 to swing counterclockwise. This causes the locking member 76 to move away from the recess 74a of the gate 74, unlocking the gate 74. This allows the gate 74 to move upward. After driving the actuator 78, the unit control unit 64 drives the feed sprocket 62a. This starts the downstream transport of the carrier tape 24, and as shown in FIG. 9(b), the carrier tape 24 moves toward the downstream side of the tape transport path 60 while pushing up the gate 74. The unit control unit 64 stops driving the actuator 78 at an appropriate timing after the leading edge of the carrier tape 24 has passed through the gate 74.

[0075] When the carrier tape 24 is transported downstream along the tape transport path 60 and reaches the third transport sprocket 61c, the third sensor PH3 detects the carrier tape 24. The third sensor PH3 transmits a detection signal indicating the detection of the carrier tape 24 to the unit control unit 64. Upon receiving the detection signal from the third sensor PH3, the unit control unit 64 recognizes that the downstream side of the carrier tape 24 is being transported to the third transport sprocket 61c. The unit control unit 64 then drives the drive unit 62c to move the loading sprocket 62a and the tape support unit 62b in the direction of arrow a2. As a result, as shown in FIG. 10 and as already described above, the carrier tape 24 falls from the tape support unit 62b and moves to the bottom surface 60a of the tape transport path 60. When the carrier tape 24 falls from the tape support unit 62b, the gate 74 is pressed against the first support unit 62ba by the compression spring 75, and the locking member 76 is inserted into the recess 74a of the gate 74 by the return spring. This causes the gate 74 to be locked.

[0076] The unit control section 64 drives the drive section 62c to move the tape support section 62b, and then returns the tape support section 62b to its original position. The unit control section 64 drives the actuator 78 to retract the rod 78a.

[0077] When the carrier tape 24 falls from the tape support portion 62b, the tape detection piece 71 swings clockwise around the fulcrum 71d, and the plate-shaped portion 71a comes into contact with the pin 72, stopping the swing. This causes the light-shielding portion 71c to move away from the first sensor PH1, so that a detection signal is no longer output to the unit control portion 64. This causes the unit control portion 64 to recognize that the carrier tape 24 is not supported by the tape support portion 62b or that the carrier tape 24 is not present at the first checkpoint.

[0078] 《Exposed part》 Next, the exposed portion 66 will be described with reference to Figure 11. Figure 11 is a side view showing the configuration of the exposed portion 66. Figure 11(a) shows the state in which the carrier tape 24 has passed the exposed portion 66, and Figure 11(b) shows the state in which the carrier tape 24 has turned back through the exposed portion 66. Note that in this specification, "advancing" the carrier tape 24 means that the carrier tape 24 is transported in the downstream direction, and "reverse" the carrier tape 24 means that the carrier tape 24 is transported in the upstream direction.

[0079] Because the top tape 52 is in a film form and is made of a material with extremely low rigidity, the extending portion 52a is bent at the tip of the base tape 51 in the tape transport path 60. In this specification, the state in which the extending portion 52a is bent at the tip of the base tape 51 and a portion of it overlaps with the carrier tape 24 upstream of the tip is referred to as "turning up." In this overlapping state, the extending portion 52a of the top tape 52 may or may not contact the top tape 52 attached to the upper surface of the base tape 51. Furthermore, "correcting turning up" and "correcting bending" mean attempting to return the extending portion 52a that was bent at the tip of the base tape 51 to a state in which it extends forward (downstream) beyond the tip of the base tape 51, and also include a case in which the extending portion 52a of the top tape 52 is not returned to its fully extended forward position.

[0080] An exposing section 66 is disposed on the inclined portion of the tape transport path 60, diagonally below and upstream of the component removal position 23ba. The exposing section 66 peels the top tape 52 of the carrier tape 24 from the base tape 51 to expose the top surfaces of the components 5 stored in the pockets 53. The exposing section 66 includes a pair of rollers 81, 82 for feeding the top tape and a drive mechanism for driving these rollers 81, 82. The drive mechanism of the exposing section 66 includes a motor as a drive source and a drive transmission mechanism such as gears for transmitting the rotational power of the motor to the rollers 81, 82. The unit control section 64 controls the drive mechanism of the exposing section 66 to rotate, and the rotation of the roller 81 performs the peeling operation of the top tape 52, which will be described below.

[0081] The rollers 81 and 82 are provided, for example, above the tape transport path 60 and communicate with the tape transport path 60 via an opening 83 that opens on the upper surface 60b side of the tape transport path 60. The extending portion 52a of the top tape 52 of the carrier tape 24 transported from the upstream side along the tape transport path 60 passes through the opening 83 and is drawn into the rollers 81 and 82, and is peeled off from the base tape 51. A newly set carrier tape 24 is fed from the tape inlet 2a of the tape transport path 60 in a state in which the leading end 52b of the top tape 52 is longer than the leading end of the base tape 51 (in a state in which the leading end has the extending portion 52a). When the leading end of the carrier tape 24 reaches the opening 83, the extending portion 52a of the top tape 52 is captured by the exposed portion 66.

[0082] That is, exposed portion 66 pinches and pulls in extended portion 52a at the tip of top tape 52 between rollers 81, 82. As a result, top tape 52 is peeled off from base tape 51 of carrier tape 24. The peeled top tape 52 is fed in a direction away from base tape 51. In the following description, after top tape 52 is peeled off from base tape 51, base tape 51 from which top tape 52 has been peeled off will also be referred to as carrier tape 24.

[0083] A third sensor PH3 is disposed downstream of the position where the exposed portion 66 is disposed. The third sensor PH3 is, for example, a transmission detection optical sensor that detects the carrier tape 24 transported along the tape transport path 60. The detection result by the third sensor PH3 is sent to the unit control unit 64. Alternatively, the leading end of the carrier tape 24 may be detected by providing a dog that can mechanically come into contact with the leading end of the carrier tape 24 and using an optical sensor to detect the displacement of the dog that occurs when the carrier tape 24 comes into contact with the dog. Using a method that detects the displacement of the dog with an optical sensor makes it possible to reliably detect the carrier tape 24 even when the carrier tape 24 is made of a light-transmitting material.

[0084] An air nozzle 84 that sprays air is arranged on the bottom surface 60a side of the tape transport path 60 at a position facing the opening 83, with the air spraying direction facing the opening 83. The air nozzle 84 is an ejection unit that ejects air, and the ejected air is directed at the extending portion 52a of the top tape 52 located near the opening 83, and the force of the ejected air moves the extending portion 52a of the top tape 52 toward the exposed portion 66. In other words, the air nozzle 84 helps the exposed portion 66 to capture the top tape 52 and guides the leading end of the top tape 52 to the exposed portion 66. Air is supplied to the air nozzle 84 from an air supply unit (not shown).

[0085] The unit control unit 64 controls the opening and closing of the control valve 70 (FIG. 13) connected to the air supply unit, thereby allowing air to be sprayed from the air nozzle 84 toward the exposed portion 66 at any timing. In this embodiment, the unit control unit 64 controls the air nozzle 84 to spray air when the curl of the top tape 52 is corrected and the extended portion 52a reaches a position where it can be captured by the exposed portion 66. For example, when the third sensor PH3 detects the leading edge of the carrier tape 24, the third transport sprocket 61c may feed the carrier tape 24 upstream a predetermined distance or a predetermined time, and then spray air. As the carrier tape 24 is moved in the reverse direction for a predetermined distance or a predetermined time, the curl of the top tape 52 is corrected and the extended portion 52a is moved below the opening 83.

[0086] Air is sprayed from the air nozzle 84 onto the extending portion 52a, thereby pressing the extending portion 52a against one of the rollers 81 located downstream. Then, the rollers 81 and 82 are rotated in the directions of the arrows shown in FIG. 12( a), and the extending portion 52a pressed against the roller 81 is sandwiched and captured between the one roller 81 and the other roller 82. Then, the rollers 81 and 82 continue to rotate, and the top tape 52 is pulled in a direction away from the base tape 51, thereby peeling the top tape 52 from the base tape 51.

[0087] At this time, the jetting direction of the air nozzle 84 is set so that the jetted air hits the extending portion 52a from below the carrier tape 24.

[0088] 6, the unit control unit 64 is communicatively connected to the drive unit 61d, the exposure unit 66, and the third sensor PH3, and controls the drive unit 61d and the exposure unit 66. That is, the unit control unit 64 controls the third transport sprocket 61c, thereby executing a tape transport operation in which the carrier tape 24 is transported along the tape transport path 60. At this time, the unit control unit 64 is able to control the transport timing and transport amount of the carrier tape 24.

[0089] Furthermore, the unit control unit 64 controls the rollers 81, 82 and the air supply unit based on the detection signal of the third sensor PH3, thereby performing a peeling operation to peel the top tape 52 from the base tape 51 of the carrier tape 24. In this peeling operation, air is sprayed from the air nozzle 84, causing the top tape 52 to be captured by the exposed portion 66.

[0090] An operation unit is communicatively connected to the unit control unit 64, and the unit control unit 64 is further communicatively connected to the main body unit 2 of the component mounting device 1. The tape transport operation and tape feeding operation described above are performed by operation commands input from the operation unit and control commands transmitted from the main body unit 2.

[0091] Next, a tape peeling method for peeling the top tape 52 from the base tape 51 of the carrier tape 24 in the component supply unit 23 configured as described above will be described with particular reference to FIGS.

[0092] The carrier tape 24 inserted into the tape inlet 23a is transported downstream along the tape transport path 60 by the transport sprocket 62a of the second tape transport unit 62. When the carrier tape 24 reaches the third transport sprocket 61c of the first tape transport unit 61 located downstream of the tape transport path 60 (FIG. 15(b)), the carrier tape 24 is transported thereafter by the first tape transport unit 61. As the carrier tape 24 is transported downstream along the tape transport path 60, the top tape 52 curls up. During this tape transport, the rollers 81 and 82 at the exposed portion 66, which is located on the inclined portion of the tape transport path 60, are rotating in a direction that allows them to pinch and capture the top tape 52.

[0093] During this tape transport process, a detection step is performed in which the third sensor PH3 detects the leading end of the carrier tape 24 transported along the tape transport path 60, and this detection result is sent to the unit control unit 64. Then, based on this detection result, a correction step is performed in which the curled-up portion of the top tape 52 is corrected. The correction step is performed by the first tape transport unit 61. After the curled-up portion of the top tape 52 has been corrected, a peeling step is performed in which the top tape 52 is peeled off from the carrier tape 24 by an exposing portion 66 provided upstream of the tape transport path 60. During this peeling step, a gas injection step is performed in which air, which is a gas for capturing the extended portion 52a of the top tape 52 in the exposed portion 66, is injected toward the exposed portion 66 by an air nozzle 84, which is an injection unit.

[0094] When the extension portion 52a (tip portion) of the top tape 52 reaches a position where it can be peeled off by the exposed portion 66, the unit control portion 64 controls the air supply portion to execute the gas injection process. As a result, air injected from the air nozzle 84 is blown onto the extension portion 52a of the carrier tape 24.

[0095] 11(a), the extension portion 52a of the top tape 52 extending from the tip of the base tape 51 is bent downward from the base tape 51, or the cover tape is bent upward from the base tape 51. Even if air is sprayed from the air nozzle 84 onto the top tape 52 in this state, the extension portion 52a cannot be blown up, and therefore the extension portion 52a of the top tape 52 cannot be guided to the exposed portion 66.

[0096] 11(a), the third transport sprocket 61c advances the carrier tape 24 so that the tip of the extension 52a of the top tape 52 is located downstream of the air nozzle 84. The unit control unit 64 may control the third transport sprocket 61c to transport the carrier tape 24 until a detection signal for the carrier tape 24 is received from a third sensor PH3 disposed downstream of the air nozzle 84.

[0097] Next, when the third sensor PH3 detects the carrier tape 24, the unit control unit 64, based on this detection signal, stops feeding of the carrier tape 24 and controls the third transport sprocket 61c to reverse the carrier tape 24, i.e., to transport the carrier tape 24 toward the tape inlet 23a. This causes the third transport sprocket 61c to rotate in the reverse direction, and the carrier tape 24 moves backward a predetermined distance upstream, as shown in Figure 11(b).

[0098] 11(b), when the third transport sprocket 61c feeds the carrier tape 24 in the reverse direction, the curled-up extension 52a of the top tape 52 is straightened and the extended portion 52a of the top tape 52 is straightened. To achieve this state, the carrier tape 24 is detected by the third sensor PH3, and then the carrier tape 24 is fed in the reverse direction for a predetermined time measured by a timer, thereby correcting the curled-up top tape 52.

[0099] After feeding the carrier tape 24 backward for a predetermined time, the unit control unit 64 again transports (feeds) the carrier tape 24 forward for a predetermined distance (predetermined time) (step S4), and as shown in Figure 11(b), the extension portion 52a of the top tape 52 can position the tip of the carrier tape 24 below the center of the exposed portion 66.

[0100] At this timing, the unit control unit 64 injects air from the air nozzle 84, blowing the leading end of the top tape 52 against the roller 81 and sending the extended portion 52a of the top tape 52 to the exposing portion 66, and as shown in FIG. 12(a), the rollers 81 and 82 rotate while sandwiching the top tape 52. In this way, the top tape 52 can be peeled off completely automatically from the base tape 51. As shown in FIG. 12(b), when the carrier tape 24 advances further, the rollers 81 and 82 also rotate accordingly, and the top tape 52 is peeled off, exposing the top surfaces of the components 5 stored in the pockets 53 of the carrier tape 24.

[0101] In this way, curling of the top tape 52 can be corrected simply by reversing the carrier tape 24. When the carrier tape 24 is reversed, the air in the tape transport path 60 hits the extending portion 52a of the top tape 52, causing the base tape 51 to move upstream relative to the leading end 52b of the top tape 52. When curling of the top tape 52 is corrected by reversing the carrier tape 24, it is necessary to correct the curling of the top tape 52 upstream of the center of the exposed portion 66 that captures the leading end of the top tape 52.

[0102] The exposed components are transported together with carrier tape 24 by first tape transport unit 61 to an opening formed downstream, i.e., component removal position 23ba (see FIGS. 16(a) and 16(b)). An opening is formed at a position corresponding to component removal position 23ba.

[0103] Next, the configuration of a component mounting system 100 including the component mounting device 1 will be described with reference to Fig. 13. Fig. 13 is a block diagram showing an example of the configuration of the component mounting system 100.

[0104] The component mounting system 100 includes a component mounting device 1, a management device 92, a portable information terminal 95, and a network 96.

[0105] The management device 92 collectively manages production information of the component mounting device 1. The management device 92 is, for example, a host computer, and can be configured with circuits such as a microcomputer, CPU, MPU, GPU, DSP, FPGA, or ASIC. The functions of the management device 92 are realized by combining hardware and software. The management device 92 realizes predetermined functions by reading data and programs stored in the upper storage unit 104 and performing various arithmetic processing. The management device 92 includes a component replenishment work support unit 102 and the upper storage unit 104.

[0106] The component replenishment work support unit 102 has a function of supporting the worker in the component replenishment work of replenishing the carrier tape 24 to the component supply unit 23. The component replenishment work support unit 102 also has a component verification function of determining whether the worker is performing the component replenishment work correctly.

[0107] The upper storage unit 104 stores various information related to the production of mounting boards. The upper storage unit 104 stores a production program 106 and component management information 108. The upper storage unit 104 can be realized by, for example, a hard disk drive (HDD), an SSD, RAM, DRAM, a ferroelectric memory, a flash memory, a magnetic disk, or a combination of these.

[0108] The portable information terminal 95 communicates wirelessly with the management device 92, so that the worker can check the production information held by the management device 92 while carrying the portable information terminal 95. The portable information terminal 95 is, for example, a tablet terminal or a smartphone.

[0109] A network 96 connects the management device 92 and the component mounting device 1 so that they can communicate with each other.

[0110] FIG. 14A is a diagram showing an example of the parts management information 108.

[0111] The component management information 108 shown in FIG. 14A stores multiple types of information, including information on "reel ID," "component name," "remaining number," "tape position," and "feeder address."

[0112] "Reel ID" is identification information for identifying the reel 22 that stores the carrier tape 24. "Component name" is information indicating the name of the component 5 held by the carrier tape 24 stored in the reel 22. "Remaining number" is information indicating the remaining number of components 5 held by the carrier tape 24. "Tape position" is information indicating whether the carrier tape 24 is being used as the current tape 24a or the next tape 24b. "Feeder address" is identification information indicating which mounting slot the reel 22 is attached to in the feeder base 31. If the tape position and feeder address are blank, the reel 22 is not attached to the component supply unit 23 on the feeder base 31.

[0113] Returning to FIG. 13, the main body control unit 17 of the component mounting device 1 includes a plurality of processing units and a main body storage unit 142. The main body control unit 17 can be realized by a semiconductor element or the like. The main body control unit 17 can be configured by circuits such as a microcomputer, CPU, MPU, GPU, DSP, FPGA, or ASIC. The functions of the main body control unit 17 may be configured by hardware alone, or may be realized by combining hardware and software. The main body control unit 17 realizes predetermined functions by reading data and programs stored in the main body storage unit 142 and performing various arithmetic processing.

[0114] The main body control unit 17 includes a component mounting operation execution unit 143, a re-mounting detection unit 144, a first component information update unit 145, a second component information update unit 146, a removal tape confirmation unit 147, and a re-reading condition setting unit 148 as multiple processing units.

[0115] The component mounting operation execution unit 143 controls the execution of a series of component mounting operations for mounting the components 5 on the board 4, and controls the operations of the board transport unit 12, the mounting head 13, and the head moving mechanism 14, for example.

[0116] The reattachment detection unit 144 detects that the component supply unit 23 has been reattached to the feeder base 31. The reattachment detection unit 144 detects the reattachment of the component supply unit 23 in response to receiving a predetermined signal from the component supply unit 23 attached to the feeder base 31, for example.

[0117] The first component information update unit 145 updates the information stored in the upper memory unit 104 of the management device 92 and the used component information memory unit 164 of the feeder memory unit 162 (described later) according to the state of the carrier tape 24 in the component supply unit 23 currently being mounted on the feeder base 31. The first component information update unit 145 includes an upper update unit 145A and a lower update unit 145B. The upper update unit 145A updates the information stored in the upper memory unit 104, and the lower update unit 145B updates the information stored in the used component information memory unit 164.

[0118] When the reattachment detection unit 144 detects that the component supply unit 23 has been reattached, if a reread condition 152 described later is satisfied, the second component information update unit 146 requests the worker to reread the component information of the carrier tape 24 attached to this component supply unit 23 using the portable information terminal 95, and updates the used component information storage unit 164 of the feeder storage unit 162 described later based on the component information acquired by this reread request.

[0119] The removed tape confirmation unit 147 compares the component management information 108 in the upper memory unit 104 with the component information in the used component information storage unit 164 of the feeder storage unit 162 to confirm the presence or absence of a carrier tape 24 that may have been removed from the component supply unit 23. Some carrier tapes 24 are listed as being in use in a component supply unit 23 attached to a feeder address within the management range in the component management information 108, but are not actually stored in the used component information storage unit 164 of the component supply unit 23 attached to the feeder address. In this case, the removed tape confirmation unit 147 determines that the carrier tape 24 (and the corresponding reel ID) is a removed tape that has been removed from the component supply unit 23.

[0120] The reread condition setting unit 148 sets conditions for making a request to reread the component information on the carrier tape 24 when the component supply unit 23 is reloaded, and stores the conditions as "reread conditions 152" in the main body storage unit 142. The conditions set by the reread condition setting unit 148 can be set by an operator using, for example, the operation unit 16 (FIG. 1) of the component mounting device 1.

[0121] The main body storage unit 142 stores various information related to the component mounting device 1, such as a production program 151 and reread conditions 152. The main body storage unit 142 can be realized by, for example, a hard disk drive (HDD), an SSD, a RAM, a DRAM, a ferroelectric memory, a flash memory, a magnetic disk, or a combination of these.

[0122] The production program 151 is a program required to operate the component mounting device 1. The production program 151 is a downloaded version of the production program 106 stored in the upper storage unit 104 of the management device 92. The production program 151 includes information such as the component mounting positions (coordinates) on the board 4, the names of the components 5 to be mounted there, and the mounting order.

[0123] The reread condition 152 is set by the reread condition setting unit 148 described above. An example of the reread condition 152 is shown in FIG. 14B. The reread condition 152 shown in FIG. 14B includes, as a target event, "reattachment of the component supply unit," and "tape transport" and "sensor change" as "events occurring within the component supply unit." "Reattachment of the component supply unit" is an event in which the component supply unit 23 is reattached to the feeder base 31, and is detected by the reattachment detection unit 144. "Events occurring within the component supply unit" is an event that occurs in an offline state in which the component supply unit 23 is removed from the feeder base 31 and attached to the work table 302. "Tape transport" is a transport operation of the carrier tape 24 in an offline state (a driving operation of the first tape transport units 61 and 62), and is detected when an operator presses the operation switch 33. "Sensor change" is a change in the detection results of the sensors PH1, PH2, and PH3 in an offline state, and is detected by signals transmitted from the sensors PH1, PH2, and PH3.

[0124] The reread condition setting unit 148 described above can set a specific target event as the reread condition 152 by attaching a setting flag to the three target events shown in FIG. 14B. When "reattachment of the component supply unit" is set as the reread condition, a request to reread the component information is executed when reattachment of the component supply unit 23 is detected. When "tape transport" among the "events occurring in the component supply unit" is set as the reread condition, a request to reread the component information is executed when an information flag indicating that transport of the carrier tape 24 (driving of the first tape transport units 61, 62) has occurred is stored in the feeder storage unit 162 of the component supply unit 23 reattached to the feeder base 31. When "sensor change" is set as the reread condition, a request to reread the component information is executed when an information flag indicating that a change has occurred in the detection results of the sensors PH1, PH2, and PH3 has occurred is stored in the feeder storage unit 162 of the component supply unit 23 reattached to the feeder base 31.

[0125] The three target events shown in Fig. 14B can be alternatively set as reread conditions. Fig. 14B illustrates an example in which none of the setting flags are ON (blank). When the setting flag is set ON, for example, a numerical value "1" may be stored.

[0126] As shown in FIG. 13, a plurality of component supply units 23 can be attached to the component mounting device 1, and a unit control section 64 is provided for each of the component supply units 23.

[0127] The unit control unit 64 is electrically connected to the operation panel 18, the first sensor PH1, the second sensor PH2, the third sensor PH3, the drive unit 62c, the drive unit 61d, the actuator 78, and the control valve 70, and controls the operation of each component.

[0128] The unit control unit 64 can be realized by a semiconductor element or the like. The unit control unit 64 can be configured by a circuit such as a microcomputer, CPU, MPU, GPU, DSP, FPGA, or ASIC. The functions of the unit control unit 64 may be configured by hardware alone, or may be realized by combining hardware and software. The unit control unit 64 realizes predetermined functions by reading data and programs stored in the main body storage unit 142 and performing various arithmetic processing.

[0129] The unit control unit 64 includes a tape transport control unit 160, a monitoring unit 161, and a feeder storage unit 162.

[0130] The tape transport control unit 160 controls the feeding operation of the carrier tape 24 attached to the component supply unit 23 based on a command from the main body control unit 17 .

[0131] The monitoring unit 161 monitors events that occur in the component supply unit 23 while the component supply unit 23 is offline, and stores the occurrence of such events in the event storage unit 163. Specific events are "tape transport" and "sensor change" under "events occurring within the component supply unit" shown in FIG. 14B. The monitoring unit 161 determines the event as "tape transport" when it detects the operator's operation of the operation switch 33 to transport the carrier tape 24 or the drive of the drive unit 61d or the second tape transport unit 62. The monitoring unit 161 also determines the event as "sensor change" when it detects any change in the first sensor PH1, the second sensor PH2, or the third sensor PH3 while the component supply unit 23 is offline. The monitoring unit 161 may be configured to determine the event as "tape transport" only when the drive amount of the first tape transport unit 61 or the second tape transport unit 62, in other words, the feed amount of the carrier tape 24, is equal to or greater than a predetermined amount. By doing this, it is possible to eliminate the unlikely event that the carrier tape 24 is removed from the component supply unit 23, and to reduce the frequency of the work that the worker must perform while looking at the component information input screen, which will be described later.

[0132] The feeder storage unit 162 stores various information related to the component supply unit 23. The feeder 162 can be realized by, for example, a hard disk drive (HDD), an SSD, a RAM, a DRAM, a ferroelectric memory, a flash memory, a magnetic disk, or a combination of these. The feeder storage unit 162 includes an event storage unit 163 and a component usage information storage unit 164.

[0133] The event memory unit 163 stores event record information by the monitoring unit 161. An example of the event record information is shown in FIG. 14C. The event record information shown in FIG. 14C includes "tape transport" and "sensor change" as target events. When the monitoring unit 161 detects tape transport, the detection flag for "tape transport" in the event memory unit 163 is turned ON. When the monitoring unit 161 detects a sensor change, the detection flag for "sensor change" in the event memory unit 163 is turned ON. FIG. 14C illustrates an example in which the detection flag is not ON (blank). When the detection flag is turned ON, for example, a numerical value "1" may be stored. Note that with regard to sensor changes, the detection flag is turned ON if the detection result changes even once (from ON to OFF or from OFF to ON). Even if the detection result changes again and returns to the original result, the detection flag is maintained.

[0134] The used component information storage unit 164 stores component information of the carrier tape 24 attached to the component supply unit 23. The used component information storage unit 164 includes a first storage unit 164A and a second storage unit 164B. The first storage unit 164A stores component information of the current tape 24a attached to the component supply unit 23, and the second storage unit 164B stores component information of the next tape 24b attached to the component supply unit 23. By providing the first storage unit 164A and the second storage unit 164B, it is possible to manage the component information of the current tape 24a and the component information of the next tape 24b, respectively.

[0135] Next, the carrier tape transport operation by the component supply unit 23 will be described with reference to FIGS.

[0136] See FIG. 15(a). The operator inserts the carrier tape 24 along the tape support portion 62b located at the tape entrance 23a of the component supply unit 23, for which the lamps 36 and 37 (FIG. 5) on the operation panel 18 are flashing. After inserting the carrier tape 24, the operator presses the operation switch 33 (FIG. 5) of the component supply unit 23. If the current tape 24a is located downstream of the tape transport path 60, the second tape transport unit 62 transports the carrier tape 24 while the gate 74 of the gate unit 63b is locked. When the carrier tape 24 is detected by the first sensor PH1, the transport sprocket 62a is stopped. If the operator has inserted the carrier tape 24 to the position detected by the first sensor PH1, the second tape transport unit 62 does not operate. In either case, the carrier tape 24 cannot advance beyond the gate 74. In this way, the carrier tape 24 waits at the standby position 23bb, which is located upstream of the component pick-up position 23ba, which will be described later.

[0137] If the operator presses the operation switch 33 and there is no carrier tape 24 downstream of the tape transport path 60, pressing the operation switch 33 unlocks the gate 74, and the second tape transport unit 62 transports the carrier tape 24 in this state. As a result, the leading edge of the carrier tape 24 pushes up the gate 74 and is sent into the tape transport path 60. As shown in FIG. 15(b), when the carrier tape 24 is transported to a position where it hits the pin of the third transport sprocket 61c, transport by the transport sprocket 62a is stopped. The carrier tape 24 is transported further downstream by the third transport sprocket 61c, and when it is detected by the third sensor PH3, the first tape transport unit 61 performs an operation to capture the top tape 52 at the exposed portion 66.

[0138] When the exposed portion 66 captures the top tape 52, the exposed portion 66 and the third transport sprocket 61c transport the carrier tape 24 further downstream while peeling off the top tape 52. When the pin of the second transport sprocket 61b is inserted into the feed hole 54 of the carrier tape 24, the drive portion 61d drives the second transport sprocket 61b to position the leading pocket 53 of the carrier tape 24 at the component removal position 23ba, as shown in FIG.

[0139] Next, a path change is performed in the second tape transport unit 62. As shown in Figure 16(b), the carrier tape 24 passing through the second tape transport unit 62 drops off from the second tape transport unit 62 due to the path change and moves to the bottom surface 60a of the tape transport path 60 below. The path change is performed when the carrier tape 24 is engaged with the second transport sprocket 61b and the third transport sprocket 61c of the first tape transport unit 61. When the path change is performed, the gate 74 moves downward and enters a locked state.

[0140] 17(a), the worker can insert the next carrier tape 24 to be used (next tape 24b) into the second tape transport section 62 that has become vacant due to the lane change. The method of inserting the carrier tape 24 into the second tape transport section 62 is the same as the method already described above.

[0141] As shown in FIG. 17(b), when a component shortage is detected in the carrier tape 24 and the second sensor PH2 detects the passage of the final end of the carrier tape 24, the first tape transport unit 61 ejects the carrier tape 24 (tape ejection). If the passage of the final end of the carrier tape 24 has not been detected at the time the component shortage is detected, a final end search is performed, and then the tape is ejected. When the current tape 24a has been ejected, the gate 74 is unlocked, and the second tape transport unit 62 transports the next tape 24b, which has been waiting at the standby position 23bb. As a result, the leading edge of the next tape 24b pushes up the gate 74 and is sent into the tape transport path 60. When the next tape 24b is transported to a position where it hits the pin of the most upstream sprocket of the first tape transport unit 61, the transport by the input sprocket 62a stops. A path change is performed, and the next tape 24b is transported as the current tape 24a.

[0142] Next, the tape replacement process and the component replenishing work support will be described with reference to Fig. 18 to Fig. 20. Fig. 18 is a flowchart showing the carrier tape 24 replacement process (tape replacement process), and Fig. 19 is a flowchart showing the support for the work of replenishing with a new carrier tape 24 (component replenishing work support). Fig. 20 is an explanatory diagram for explaining the tape replacement process shown in Fig. 18 and the component replenishing work support shown in Fig. 19.

[0143] 18 is executed while the component mounting device 1 is executing a component mounting process for mounting components 5 on a board 4. In this example, the process starts with reel "A" supplying the current tape 24a and reel "B" supplying the next tape 24b, as shown in state (a) of FIG. 20. In the used component information storage unit 164 of the feeder storage unit 162, the first storage unit 164A stores component information relating to the current tape 24a, which has a reel ID of "R001" and a component name of "abc," and the second storage unit 164B stores component information relating to the next tape 24b, which has a reel ID of "R002" and a component name of "abc."

[0144] First, in step S1, the main body control unit 17 determines whether the current tape ejection condition is met. If the current tape 24a is detected to be out of components and the second sensor PH2 detects the passage of the end of the current tape 24a (FIG. 17(b)), it determines that the current tape ejection condition is met. As long as it is determined that the current tape ejection condition is not met (NO in S1), step S1 is repeatedly executed.

[0145] In step S2, the main body control unit 17 causes the first tape transport unit 61 to eject the current tape 24a. As a result, the state shown in Figure 17(b) changes to the state shown in Figure 15(a).

[0146] In step S3, the lower level update unit 145B of the first component information update unit 145 updates the used component information storage unit 164 of the feeder storage unit 162. Specifically, the component information in the first storage unit 164A of the used component information storage unit 164 is cleared. This clears the component information related to the current tape 24a, corresponding to the state (b) in FIG. 20 .

[0147] In step S4, the upper update section 145A of the first component information update section 145 updates the upper storage section 104. Specifically, it transmits a component information update notification in accordance with steps S2 and S3 to the management device 92. The component information update notification includes the reel ID of the current tape 24a ejected in step S2. Upon receiving the component information update notification, the management device 92 resets the component count for the reel ID included in the component information update notification to zero and deletes "current." This updates the upper storage section 104.

[0148] In step S5, the main body control unit 17 determines whether or not the next tape 24b is present based on the detection result of the carrier tape 24 by the first sensor PH1.

[0149] If the first sensor PH1 detects the carrier tape 24 and determines that the next tape 24b is present (YES in S5), then in step S6 the unit control unit 64 causes the second tape transport unit 62 to carry in the next tape 24b. As a result, the state transitions from the state shown in Figure 15(a) to the state shown in Figure 15(b), the state shown in Figure 16(a), and the state shown in Figure 16(b), in that order, and the next tape 24b becomes the current tape 24a.

[0150] In step S7, the lower-level update unit 145B of the first component information update unit 145 updates the used component information storage unit 164 of the feeder storage unit 162. Specifically, the component information in the second storage unit 164B is copied to the first storage unit 164A of the used component information storage unit 164, and the component information in the second storage unit 164B is cleared. As a result, the component information stored in the second storage unit 164B is moved to the first storage unit 164A, and the component information stored as the next tape 24b in the second storage unit 164B is stored as the component information of the current tape 24a in the first storage unit 164A.

[0151] If it is determined in step S5 that the next tape 24b is not present (NO in S5), then in step S8, lower-level update unit 145B of first component information update unit 145 updates used component information storage unit 164 of feeder storage unit 162. Specifically, component information in second storage unit 164B of used component information storage unit 164 is cleared. As a result, if second storage unit 164B contains component information related to next tape 24b, that component information is cleared.

[0152] In step S9, upper update unit 145A of first component information update unit 145 updates upper storage unit 104. Specifically, a component information update notice corresponding to steps S5 to S8 is transmitted to management device 92. The component information update notice includes the reel ID of next tape 24b carried in in step S6, or the reel ID stored in second storage unit 164B immediately before being cleared in step S8. When management device 92 receives the component information update notice and executes step S7 and then step 9, it changes the tape position field for the reel ID included in the component information update notice from "next" to "current," sets the remaining number of reels 22 that was "current" to 0, and clears the tape position and feeder address. When executing step S8 and then step 9, if the component information update notice includes a reel ID, it deletes "next" from the tape position field for that reel ID, and if no reel ID is included, it skips the step.

[0153] According to the above flow, it is possible to update both the used component information storage unit 164 of the component supply unit 23 and the upper storage unit 104 of the management device 92 in response to the ejection of the current tape 24a and the loading of the next tape 24b. Specifically, the component information of the ejected current tape 24a is cleared, and the component information of the loaded next tape 24b is updated as the new current tape 24a. This allows the component information of the carrier tape 24 to be managed appropriately in the component supply unit 23.

[0154] When the component mounting device 1 performs a component mounting process to mount components 5 on a board 4, the components on the carrier tape 24 are consumed and run out of stock, so the worker must attach the carrier tape 24 (next tape 24b) to the component supply unit 23 before the components run out. The management device 92 identifies the component supply unit 23 that should replenish components with the next tape 24b by referring to the production number of mounted boards, the planned production number in the production program 106, the remaining number in the component management information 108, etc., and notifies the worker of which of the identified component supply units 23 has an available second tape transport section 62. Specifically, the portable information terminal 95 carried by the worker displays the component name and the feeder address of the component supply unit 23 to which the components will be replenished. The worker looks at the notified information and replenishes the components.

[0155] The component replenishment work support shown in FIG. 19 is a program for supporting a worker in a component replenishment work, and is executed by the component replenishment work support unit 102 of the management device 92. First, in step S11, the component replenishment work support unit 102 determines whether component information on the carrier tape 24 (next tape 24b) has been acquired by scanning using the portable information terminal 95. That is, it determines whether the worker has caused the portable information terminal 95 to read the barcode 28 on the reel 22 containing the replenishment carrier tape 24. Step S11 is repeatedly executed unless scan information is acquired (NO in S11). As shown in state (c) in FIG. 20, when attaching a new reel "C," the worker uses the portable information terminal 95 to read the barcode 28 on reel "C."

[0156] If the scan information is acquired (YES in S11), it is determined in step S12 whether or not the feeder address is acquired. Specifically, when the worker presses the operation switch 33 of the component supply unit 23 located at the feeder address displayed on the portable information terminal 95, a signal is output from the component supply unit 23, and the main body control unit 17 identifies the feeder address from the transmission path of that signal and transmits the feeder address to the component replenishment work support unit 102 of the management device 92.

[0157] If the feeder address is not acquired (NO in S12), it is determined in step S13 whether or not a predetermined time limit has been exceeded. If the time limit has not been exceeded (NO in S13), step S12 is executed again. Steps S12 and S13 are repeatedly executed until the feeder address is acquired or the time limit has been exceeded. If it is determined that the time limit has been exceeded (YES in S13), the scan information acquired in step S11 is cleared in step S14, and step S11 is executed again. In other words, if the worker has left the operation switch 33 of the component supply unit 23 without pressing it, the work is started over from the beginning.

[0158] If the feeder address has been acquired (YES in S12), it is determined in step S15 whether the collation result is OK, in other words, whether the parts replenishment work performed by the worker is correct. Specifically, the parts replenishment work support unit 102 determines whether the part name acquired in step S11 and the feeder address acquired in step S12 match the correspondence between the part name and feeder address registered in the production program 106 (parts collation). If the correspondence does not match, the collation result is determined to be NG (NO in S15), and in step S16, a mismatch notification is issued, the scan information acquired in step S11 is cleared, and step S11 is executed again. The mismatch notification is issued via the portable information terminal 95 or the feeder display unit 34 of the operation panel 18.

[0159] If the correspondence relationship matches, the collation result is judged to be OK (YES in S15), and in step S17, a command to turn on the lamps 36 and 37 on the feeder display section 34 of the component supply unit 23 is sent. This causes the lamp 36 or lamp 37 of the component supply unit 23 into which a new carrier tape 24 should be set to turn on.

[0160] In step S18, it is determined whether or not insertion of the carrier tape 24 has been detected. When an operator inserts the carrier tape 24 into the component supply unit 23 in which lamp 36 or lamp 37 is lit, according to a predetermined work procedure, the first sensor PH1 detects the carrier tape 24, and it is determined that insertion of the carrier tape 24 has been detected (YES in S18). As shown in state (d) in Figure 20, with a new reel "C" attached, insertion of the carrier tape 24 stored in reel "C" is detected.

[0161] If tape insertion is not detected (NO in S18), it is determined in step S19 whether a predetermined permission period has elapsed. Steps S18 and S19 are repeatedly executed until tape insertion is detected or the permission period has elapsed. If it is determined that the permission period has elapsed (YES in S19), the tape insertion permission is cancelled in step S20, and the information scanned in step S11 is cleared, and step S11 is executed again. In other words, if the worker was unable to set the carrier tape 24 in the component supply unit 23 for which a lamp lighting command was issued within the permission period, the work is started again from the beginning.

[0162] If tape insertion is detected within the permitted period (YES in S18), then in step S21, the component information is registered in the second storage unit 164B. Specifically, the lower update unit 145B of the first component information update unit 145 issues a command to register the component information included in the scan information acquired in step S11 in the second storage unit 164B of the used component information storage unit 164 of the feeder storage unit 162. In response to this command, the second storage unit 164B writes the component information. As shown in state (d) of FIG. 20 , the reel ID “R003” and the component name “abc”, which are the component information of the carrier tape 24 housed in the reel “C”, are newly stored in the second storage unit 164B.

[0163] In step S22, the upper update unit 145A of the first component information update unit 145 transmits a component information update notification to the management device 92. Upon receiving the component information update notification, the management device 92 updates the component management information 108 stored in the upper storage unit 104, adding the status of "next" to the tape position field of the reel ID corresponding to the relevant carrier tape 24, and adding information about the relevant address to the feeder address field.

[0164] According to the above flow, in response to a component replenishment operation involving the attachment of a new next tape 24b, component information regarding the attached next tape 24b can be reflected in the feeder storage unit 162 and the component management information 108. This allows accurate storage of component information for the carrier tape 24 used in the component supply unit 23. Furthermore, it is possible to prevent workers from making mistakes during the component replenishment operation.

[0165] Next, the remounting process will be described with reference to Figs. 21 to 23. Fig. 21 is a flowchart showing the process (remounting process) executed when the component supply unit 23 is remounted on the feeder base 31. Figs. 22A and 22B are diagrams showing examples of component information input screens displayed on the display panel 95a of the portable information terminal 95 or the touch screen 16a of the operation unit 16 in association with the remounting process. Fig. 23 is an explanatory diagram for explaining the remounting process shown in Fig. 21.

[0166] If an error occurs in the transport of the carrier tape 24 in the component supply unit 23 during component mounting, the component supply unit 23 may be removed from the component mounting device 1 for recovery depending on the nature of the error. During recovery, the carrier tape 24 previously attached to the component supply unit 23 may be removed and replaced with another carrier tape 24. However, since the component supply unit 23 removed from the component mounting device 1 is placed in an offline state, any change in the carrier tape 24 that occurred during the recovery is not reflected in the component management information 108. This has led to a problem in that the carrier tape 24 of the component supply unit 23 after recovery and reattached to the component mounting device 1 does not match the carrier tape 24 stored in the component management information 108, causing problems with inventory management of the components 5. For this reason, the component mounting system 100 is provided with a function (reattachment process) that, when the component supply unit 23 that has completed recovery is reattached to the component mounting device 1, acquires information about the carrier tape 24 attached to the component supply unit 23 and reflects the information in the component management information 108.

[0167] The remounting process shown in FIG. 21 is executed when detachment (remounting) of the component supply unit 23 is detected while the component mounting device 1 is executing the component mounting process of mounting the components 5 on the board 4.

[0168] 23A shows a state in which the component supply unit 23 has been removed from the component mounting device 1 for recovery work. The component supply unit 23 is loaded with the current tape 24a supplied from reel "A" and the next tape 24b supplied from reel "B". At this point, the first memory section 164A of the used component information memory section 164 of the component supply unit 23 stores the reel ID "R001" and the component name "abc", which are the component information of the carrier tape 24 supplied from reel "A", and the second memory section 164B stores the reel ID "R002" and the component name "abc", which are the component information of the carrier tape 24 supplied from reel "B".

[0169] As shown in state (b) of FIG. 23, the removed component supply unit 23 is mounted on a workbench 302 that is independent of the component mounting device 1. The component supply unit 23 mounted on the workbench 302 is connected to the power supply unit 304 (FIG. 3) and is in a power supply state, allowing various operations to be performed using the operation panel 18. The component supply unit 23 mounted on the workbench 302 is in an "offline state" in which it does not communicate with the component mounting device 1 or the management device 92. Work performed on the component supply unit 23 in the offline state cannot be recognized in real time by the component mounting device 1 or the management device 92. In response to this, a monitoring unit 161 provided in the component supply unit 23 monitors whether or not a predetermined event has occurred in the offline state, and when an event is detected, it is stored in the event memory unit 163. In this example, as shown in state (b) of Figure 23, recovery work is performed in an offline state with the component supply unit 23 attached to the workbench 302, the current tape 24a and reel "A" are removed, the carrier tape 24 supplied from reel "B" is changed from next tape 24b to current tape 24a, and further, the carrier tape 24 supplied from reel "C" is attached as next tape 24b.

[0170] During the recovery work, the monitoring unit 161 of the component supply unit 23 monitors for the occurrence of events related to "tape transport" and "sensor change," and if the occurrence of the event is detected, stores the event in the event storage unit 163. In the recovery work such as the state (b) in Figure 23, the driving unit 61d and the second tape transport unit 62 are driven by operating the operation switch 33 to transport the carrier tape 24, so that the monitoring unit 161 detects "tape transport" and "sensor change," and the detection flag in the event storage unit 163 is turned ON.

[0171] Once the recovery work is complete, the component supply unit 23 with reels "B" and "C" attached is reinstalled in the feeder base 31, as shown in states (c) and (d) of Figure 23. The component supply unit 23 reinstalled in the feeder base 31 returns to an "online state" in which it is connected to the component mounting device 1 so as to be able to communicate with the component mounting device 1. Note that the information stored in the first memory unit 164A and the second memory unit 164B is the same as when it was removed from the component mounting device 1 (state (a) of Figure 23), and does not match the component information of the carrier tape actually attached to the reinstalled component supply unit 23 (see reference numeral 164(1)).

[0172] Returning to FIG. 21, when the component supply unit 23 is attached to the component mounting device 1, the reattachment detection unit 144 of the main body control unit 17 detects the reattachment (S31).

[0173] When the reattachment detection unit 144 detects reattachment (YES in S31), in step S32, the main body control unit 17 checks whether or not the carrier tape 24 is present in the reattached component supply unit 23 based on the detection results of the first sensor PH1, the second sensor PH2, and the third sensor PH3.

[0174] In step S33, the main body controller 17 determines whether or not the current tape 24a is present based on the detection result of the third sensor PH3. If the third sensor PH3 does not detect the carrier tape 24, it determines that the current tape is absent (NO in S33), and in step S34, it determines whether or not the next tape 24b is present based on the detection result of the first sensor PH1.

[0175] If the first sensor PH1 detects the carrier tape 24, it is determined that the next tape is present (YES in S34), and in step S35, the tape transport control unit 160 of the unit control unit 64, upon receiving a predetermined signal from the main body control unit 17, transports the next tape 24b to the component removal position 23ba. That is, if the current tape 24a is not present (NO in S33) but the next tape 24 is present (YES in S34), the next tape 24b is transported (S35) and its status is changed to the current tape 24a. That is, as shown in FIG. 16(b), the current tape 24a is kept in a state where it is correctly present in the tape transport path 60.

[0176] Next, in step S51, the second component information update unit 146 of the main body control unit 17 refers to the reread condition 152 in the main body storage unit 142 and determines whether or not "re-attachment of the component supply unit" is the reread condition.

[0177] If "re-attachment of component supply unit" is not set as a reread condition (NO in S51), in step S52, the second component information update unit 146 acquires event record information by referring to the event memory unit 163 of the feeder memory unit 162. The event record information includes information on whether the detection flags for the occurrence of events related to "tape transport" and "sensor change" are ON or not, as shown in Fig. 14C.

[0178] In step S53, second part information update unit 146 compares the event record information acquired in step S52 with reread conditions 152 stored in main body storage unit 142, and determines whether rereading is necessary depending on whether the event occurrence detection flag set in the reread conditions is ON. That is, if the detection flag of the event record information matches the setting flag of pre-set reread conditions 152, a reread request is executed.

[0179] If the rereading condition is "re-attachment of the component supply unit" (YES in S51) or if it is determined that re-reading is necessary (YES in S53), in step S36 the second component information update unit 146 displays a component information input screen on the display panel 95a of the portable information terminal 95 or the touch screen 16a of the operation unit 16. In this embodiment, the display panel 95a or the touch screen 16a serves as the display unit that displays the component information input screen. This component information input screen is displayed regardless of whether the carrier tape 24 is attached to the re-attached component supply unit 23. Here, an example of the component information input screen will be described with reference to FIGS. 22A and 22B.

[0180] The component information input screen SC1 shown in FIG. 22A includes a scan data display field 201, a current tape information input field 202, a next tape information input field 204, a cancel button 206, and a register button 208.

[0181] The scan data display field 201 displays data scanned by the portable information terminal 95, i.e., component information on the carrier tape 24. The scan data display field 201 displays component information such as the reel ID and component name. The current tape information input field 202 is an input field for registering the component information displayed in the scan data display field 201 as component information for the current tape 24a. The next tape information input field 204 is an input field for registering the component information displayed in the scan data display field 201 as component information for the next tape 24b. The current tape information input field 202 and the next tape information input field 204 are each configured so that the component information displayed in the scan data display field 201 is automatically input when the worker touches them.

[0182] The cancel button 206 is a button for canceling the component information entered in the current tape information input field 202 and the next tape information input field 204. The register button 208 is a button for registering the component information entered in the current tape information input field 202 and the next tape information input field 204.

[0183] The current tape information input field 202 and the next tape information input field 204 change between an input enabled state and an input disabled state depending on whether or not the carrier tape 24 is present in the reloaded component supply unit 23. The current tape information input field 202 is input enabled when the third sensor PH3 detects the carrier tape 24, and is input disabled when the third sensor PH3 does not detect the carrier tape 24. Similarly, the next tape information input field 204 is input enabled when the first sensor PH1 detects the carrier tape 24, and is input disabled when the first sensor PH1 does not detect the carrier tape 24. The component information input screen SC1 shown in FIG. 22B shows an example in which the next tape information input field 204 is input disabled. The next tape information input field 204 that is input disabled is displayed in gray (hatched).

[0184] When the component information input screen SC1 is displayed on the display panel 95a of the portable information terminal 95 or the touch screen 16a of the operation unit 16, the worker operates the component information input screen SC1 to register information about the carrier tape 24 attached to the reattached component supply unit 23. The second component information update unit 146 executes processing in accordance with the operator's operations on the component information input screen SC1 (S37). The operations here include inputting component information into the current tape information input field 202 and the next tape information input field 204, a cancel operation using the cancel button 206, and a registration operation using the register button 208.

[0185] An example of the operation of registering information about the carrier tape 24 will be described with reference to state (d) in FIG. 23 . When the component information input screen SC1 is displayed, the worker acquires component information about the carrier tape 24 attached to the reloaded component supply unit 23. Specifically, the worker acquires the component information by scanning the identifier (barcode 28) of reel “B” with the portable information terminal 95. The second component information update unit 146 determines whether the carrier tape 24 attached to the reloaded component supply unit 23 is appropriate based on the component information read by the portable information terminal 95. For example, the second component information update unit 146 makes this determination by referring to the correspondence between the component name and feeder address registered in the production program 106 or the component information registered in the used component information storage unit 164. If the component name and other information do not match, the second component information update unit 146 notifies the worker by sounding a buzzer on the portable information terminal 95, for example. If the second component information update unit 146 determines that the component name and other information are appropriate, the second component information update unit 146 displays the information in the scan data display field 201 on the component information input screen SC1.

[0186] The worker visually checks the component information displayed in the scan data display field 201 and the carrier tape 24 attached to the component supply unit 23, and taps the current tape information input field 202 if it is the current tape 24a, or taps the next tape information input field 204 if it is the next tape 24b. In response to this input operation, the second component information update unit 146 inputs the component information displayed in the scan data display field 201 into the current tape information input field 202 or the next tape information input field 204. Note that, in the state (d) of Figure 23, the next tape information input field 204 is in an input-prohibited state, so that information that should be registered as component information for the current tape 24a cannot be erroneously registered as component information for the next tape 24b.

[0187] When the operator has completed all input operations for all carrier tapes 24 attached to the component supply unit 23, he or she performs a registration operation by tapping the registration button 208. The second component information update unit 146 determines whether or not a registration operation has been performed (S38). As long as it is determined that no registration operation has been performed (NO in S38), steps S37 and S38 are repeatedly executed.

[0188] When the second component information update unit 146 detects the registration operation (YES in step S38), it updates the used component information storage unit 164 in step S39. Specifically, the second component information update unit 146 registers the component information in the first storage unit 164A and / or the second storage unit 164B in the used component information storage unit 164 of the feeder storage unit 162. For example, on the component information input screen SC1, the component information entered in the current tape information input field 202 is registered in the first storage unit 164A. Furthermore, the component information entered in the next tape information input field 204 is registered in the second storage unit 164B. If the input content of the current tape information input field 202 or the next tape information input field 204 is blank, the value in the corresponding first storage unit 164A or second storage unit 164B is cleared. As a result, the used component information storage unit 164 is updated by the second component information update unit 146.

[0189] In the example shown in state (d) of FIG. 23, the information stored in the used parts information storage unit 164 is updated from the content indicated by reference numeral 164(1) to the content indicated by reference numeral 164(2). That is, in the first storage unit 164A, the part information for reel "A" (reel ID "R001", part name "abc") is cleared, and the part information for reel "B" (reel ID "R002", part name "abc") is newly registered. Also, in the second storage unit 164B, the part information for reel "B" (reel ID "R002", part name "abc") is cleared, and the part information for reel "C" (reel ID "R003", part name "abc") is newly registered. In addition, if the contents of the first memory unit 164A before the update are the same as the information input into the current tape information input field 202, or if the contents of the second memory unit 164B before the update are the same as the information input into the next tape information input field 204, the second component information update unit 146 may maintain the current values ​​without overwriting the contents of the first memory unit 164A or the second memory unit 164B with the values ​​of the current tape information input field 202 or the next tape information input field 204.

[0190] In step S40, the second component information update unit 146 updates the upper storage unit 104 of the management device 92. Specifically, the second component information update unit 146 transmits a component information update notification to the management device 92, including the reel IDs entered in the current tape information input field 202 and the next tape information input field 204. Upon receiving the component information update notification, the management device 92 updates the content of the component management information 108 stored in the upper storage unit 104 based on the registration content on the component information input screen SC1. In the example shown in state (d) of FIG. 23 , the component information of reel "B" (reel ID "R002", component name "abc") has been moved from the second storage unit 164B to the first storage unit 164A, i.e., changed from the next tape 24b to the current tape 24a. Furthermore, the second storage unit 164B has been overwritten with the component information of reel "C" (reel ID "R003", component name "abc"). Therefore, in this example, the tape position column for reel ID "R002" in the component management information 108 is updated from "next" to "current," and for reel ID "R003" it is updated to "next" (see FIG. 24). Also, "F012," which indicates the position of the mounting slot to which the component supply unit 23 has been remounted, is registered in the feeder address for reel ID "R003." This updates the component management information 108 to the appropriate content. Note that information about the carrier tape 24 that has been removed from the component supply unit 23 during recovery work, such as reel ID "R001," is updated in the processing from step S41 onwards.

[0191] In this way, even if the reel 22 is replaced while the component supply unit 23 is offline, the component information input screen SC1 can be displayed on the display panel 95a of the portable information terminal 95 or the touch screen 16a of the operation unit 16 in response to detection of reattachment, and the worker can input the latest component information, thereby updating the component information in the used component information storage unit 164 to match the content of the actually existing carrier tape 24. This makes it possible to appropriately manage the correspondence between the component supply unit and the carrier tape information.

[0192] In step S41, the removal tape confirmation unit 147 determines whether or not there is a removal tape. The removal tape refers to the carrier tape 24 that may have been removed while the component supply unit 23 was offline. In the example shown in Figure 23, the carrier tape 24 stored on reel "A" corresponds to the removal tape. Here, a method for determining whether or not there is a removal tape will be described with reference to Figure 24.

[0193] FIG. 24 is a diagram showing an example of component management information 108 stored in the management device 92. In the component management information 108 shown in FIG. 24, the carrier tape 24 with reel ID "R001" (reel "A") and the carrier tape 24 with reel ID "R002" (reel "B") are both stored as the current tape 24a. The carrier tape 24 with reel ID "R002" is newly stored as the current tape 24a in response to the component information update notification in step S40, whereas the carrier tape 24 with reel ID "R001" has been stored as the current tape 24a since before the component information update notification in step S40 was received. Because both the tape position ("current") and the feeder address ("F012") overlap, the removed tape confirmation unit 147 determines that the carrier tape 24 with reel ID "R001", which has been in the "current" state since before the component information update notification was received, is the removed tape.

[0194] In step S42, the removal tape confirmation unit 147 displays a removal tape inquiry screen RT1 on the display panel 95a of the portable information terminal 95 or the touch screen 16a of the operation unit 16. An example of the removal tape inquiry screen RT1 will now be described with reference to FIG.

[0195] The removal tape inquiry screen RT1 shown in Figure 25 is displayed superimposed on the part information input screen SC1 on the display panel 95a of the portable information terminal 95 or the touch screen 16a of the operation unit 16, and includes a part information display section 209, a discard button 210, a store button 212, and a back button 214.

[0196] The component information display section 209 is a section that displays component information of the carrier tape 24 that was determined to be a removal tape in step S41, and in the example shown in FIG. 25, the reel ID, component name, and remaining quantity are displayed as component information.

[0197] The discard button 210, the store button 212, and the back button 214 are all buttons for selecting a disposition regarding the removed tape. The discard button 210 is a button for registering the disposition of the removed tape as "discard," and the store button 212 is a button for registering the disposition of the removed tape as "store." The back button 214 is a button for selecting to return to the component information input screen SC1 without registering the disposition of the removed tape. When the removed tape inquiry screen RT1 is displayed, the worker performs an appropriate operation as a disposition of the carrier tape 24 identified by the component information displayed in the component information display unit 209. The removed tape confirmation unit 147 executes processing according to the operator's operation (step S43).

[0198] In step S43, the management device 92 executes processing in accordance with an operation on the removed tape inquiry screen RT1. Specifically, in accordance with a button pressed on the removed tape inquiry screen RT1 shown in FIG. 25, the management device 92 updates the component information of the corresponding reel ID (for example, reel ID "R001") in the component management information 108. If the pressed button is the discard button 210, as shown in FIG. 26A, for the reel ID "R001," the "remaining number" is set to 0, the "tape position" is cleared, and the feeder address is cleared (shaded display). If the pressed button is the store button 212, as shown in FIG. 26B, the "tape position" is set to "stored," and the feeder address is cleared (shaded display). If the pressed button is the return button 214, the removed tape inquiry screen RT1 is simply cleared, and the component management information 108 is not updated.

[0199] In step S54, the main body control unit 17 clears the detection flag stored in the event storage unit 163.

[0200] According to steps S41 to S43, the component management information 108 can be updated to reflect the disposition of the carrier tape 24 removed from the component supply unit 23 when the component supply unit 23 is in an offline state where it is not communicating with the component mounting device 1 or the management device 92. This allows components to be appropriately managed on a carrier tape basis (reel basis).

[0201] (Actions and Effects) The component mounting system 100 of this embodiment includes a component supply unit 23 having tape transport sections 61 and 62 that transport a carrier tape 24 packed with a plurality of components 5 along a tape transport path 60 and supply the components 5 to a component take-out position 23ba; a feeder base 31 on which the plurality of component supply units 23 are mounted; a mounting head 13 that picks up the components 5 from the component take-out positions 23ba of the plurality of component supply units 23 mounted on the feeder base 31 and mounts them on a board 4; a main body control section 17 (control section) that causes the mounting head 13 to perform a component mounting operation of mounting the components 5 on a board 4 in accordance with production programs 106 and 151; a portable information terminal 95 (information acquisition section) that acquires component information on the carrier tape 24 used by the component supply unit 23; a memory section (used component information memory section 164, upper memory section 104) that stores the component information acquired by the portable information terminal 95 or updates the component information based on the acquired component information; a workbench (302) on which the component supply unit (23) removed from the feeder base (31) is temporarily mounted while being powered; a monitoring unit (161) that detects a predetermined event that occurs as a result of work performed on the component supply unit (23) mounted on the workbench (302) and stores the event in an event memory (163) of the component supply unit (23); and a second component information updating unit (146) that, when the occurrence of the predetermined event is stored in the event memory (163) of the component supply unit (23) whose remounting is detected by the remounting detection unit (144), executes a read request to request the worker to obtain component information of the carrier tape (24) mounted on the component supply unit (23) using a portable information terminal (95), and updates the memory based on the component information obtained by the read request.

[0202] With this configuration, the component information and status of the carrier tape 24 being used in the component mounting operation can be accurately reflected in the storage units (the used component information storage unit 164, the upper storage unit 104), and the correspondence between the component supply units and the carrier tapes in the component mounting system can be appropriately managed. Also, by requesting acquisition of component information when a predetermined event that suggests the possibility of replacement or removal of the carrier tape 24 is stored in the event storage unit 163, the request can be omitted when the predetermined event is not stored, thereby improving work efficiency.

[0203] Furthermore, in the component mounting system 100 of this embodiment, the second component information update unit 146 does not execute a read request if the occurrence of a predetermined event is not stored in the event storage unit 163. With this configuration, by omitting the read request when the occurrence of a predetermined event is not stored, it is possible to improve work efficiency by omitting the read request when there is little possibility of the carrier tape 24 being replaced or removed.

[0204] Furthermore, in the component mounting system 100 of this embodiment, the monitoring unit 161 detects, as a predetermined event, the driving of the first tape transport units 61, 62 by operating the operation switch 33 of the component supply unit 23. With this configuration, it is possible to detect, as a predetermined event, an event that is highly likely to involve the replacement or removal of the carrier tape 24.

[0205] Furthermore, in the component mounting system 100 of this embodiment, the monitoring unit 161 detects, as a predetermined event, the driving of the first tape transport units 61, 62 by a predetermined amount or more. With this configuration, it is possible to detect, as a predetermined event, an event in which there is a high possibility that the carrier tape 24 has been replaced or removed.

[0206] Furthermore, in the component mounting system 100 of this embodiment, the monitoring unit 161 detects, as a predetermined event, a change in the detection state of the sensors PH1, PH2, and PH3 (carrier tape detection units) that detect the presence or absence of the carrier tape 24 on the tape transport path 60. With this configuration, it is possible to detect, as a predetermined event, an event in which there is a high possibility that the carrier tape 24 has been replaced or removed.

[0207] Furthermore, the component mounting system 100 of this embodiment further includes a re-reading condition setting unit 148 that sets, as a predetermined event, an event that causes the second component information updating unit 146 to execute a read request. With this configuration, it is possible to set an appropriate predetermined event according to the specifications of the component mounting system 100, etc.

[0208] Furthermore, in the component mounting system 100 of this embodiment, the second component information update unit 146 refers to the storage units (the used component information storage unit 164, the upper storage unit 104) to request information from the worker regarding the disposition of the carrier tape 24 that may have been removed from the component supply unit 23, and updates the storage unit 164 based on the information regarding the disposition obtained in response to this request. With this configuration, the state of the carrier tape 24 being used in the component mounting operation can be made to match the state of the carrier tape 24 stored in the storage unit.

[0209] Moreover, the component mounting system 100 of this embodiment further includes a display unit (the display panel 95a of the portable information terminal 95 or the touch screen 16a of the operation unit 16), which displays a component information input screen SC1 for inputting component information of the carrier tape 24 in response to a read request (S51 to S53, S36). With this configuration, component information can be easily registered.

[0210] The component supply method of this embodiment includes the steps of: conveying, by component supply unit 23, carrier tape 24 packed with multiple components 5 along tape conveying path 60, and supplying components 5 to component take-out position 23ba; picking up components 5 from component take-out positions 23ba of multiple component supply units 23 attached to feeder base 31 by mounting head 13, and mounting components 5 on board 4; acquiring component information of carrier tape 24 used by component supply unit 23 with portable information terminal 95 (information acquisition unit) (S11); storing the component information acquired by portable information terminal 95 in a memory unit (used component information memory unit 164) (S21), or updating the memory unit (upper memory unit 104) based on the component information (S22); the step of detecting a predetermined event that has occurred as a result of work performed on the component supply unit 23 when the component supply unit 23 is removed from the feeder base 31, and storing the event in the event memory unit 163 of the component supply unit 23; the step of detecting that the component supply unit 23 has been reattached to the feeder base 31 (S31); and the step of executing a read request to request the worker to obtain component information of the carrier tape 24 attached to the component supply unit 23 using the portable information terminal 95 when the occurrence of the predetermined event is stored in the event memory unit 163 of the component supply unit 23 whose reattachment to the feeder base 31 has been detected, and updating the memory units (the used component information memory unit 164, the upper memory unit 104) based on the component information obtained by the read request (S51, S36 to S40).

[0211] According to this method, the component information of the carrier tape 24 being used in the component mounting operation can be accurately reflected in the storage units (the used component information storage unit 164, the upper storage unit 104), and the correspondence between the component supply units and the carrier tapes in the component mounting system can be appropriately managed. Also, by requesting acquisition of component information when a predetermined event that suggests the possibility of replacement or removal of the carrier tape 24 is stored in the event storage unit 163, the request can be omitted when the predetermined event is not stored, thereby improving work efficiency.

[0212] In the above embodiment, an autoload feeder was used as an example of the component supply unit 23, but the present invention can also be applied when a splicing feeder is used, which connects a refill carrier tape (subsequent carrier tape) to the end of a carrier tape (preceding carrier tape) located at the component supply port 23b and transports it.

[0213] Although the present disclosure has been fully described in connection with the preferred embodiments with reference to the accompanying drawings, various variations and modifications will be apparent to those skilled in the art. Such variations and modifications should be understood to be included within the scope of the present disclosure as defined by the appended claims, unless they depart therefrom. Furthermore, changes in the combination and order of elements in each embodiment may be made without departing from the scope and spirit of the present disclosure.

[0214] Any of the various embodiments and modifications may be combined as appropriate to achieve the effects of each. [Industrial Applicability]

[0215] The component mounting device according to the present disclosure is applicable to a component mounting system and a component mounting method that supplies components using a carrier tape that stores the components. [Explanation of symbols]

[0216] 4 boards 5 parts 13 Mounting head 16 Control section 16a Touch screen (display) 17 Main unit control section (control section) 23 Parts supply unit 23ba Parts removal position 24 Carrier tape 31 Feeder Base 33 Operation switch 95 Portable information terminal (information acquisition unit) 95a Display panel (display section) 100 parts mounting system 104 Upper storage unit (storage unit) 106 Production Program 144 Re-insertion detection unit 145 First Part Information Update Unit 146 Second Part Information Update Unit 148 Reread condition setting section 151 Production Program 161 Monitoring Department 163 Event Memory Unit 164 Used parts information storage unit (storage unit) 302 Workbench PH1, PH2, PH3 sensors (carrier tape detection section)

Claims

1. a component supply unit having a tape transport section that transports a carrier tape on which a plurality of components are packed along a tape transport path and supplies the components to a component pick-up position; a feeder base on which a plurality of the component supply units are mounted; a mounting head that picks up components from the component take-out positions of the plurality of component supply units attached to the feeder base and mounts them on a board; a control unit that causes the mounting head to perform a component mounting operation of mounting components onto a substrate in accordance with a production program; an information acquisition unit that acquires component information of a carrier tape used in the component supply unit; a storage unit that stores the part information acquired by the information acquisition unit or that is updated based on the part information; a first component information update unit that updates the storage unit according to a state of the carrier tape in the component supply unit; a re-attachment detection unit that detects that the component supply unit has been re-attached to the feeder base; a work table on which the component supply unit detached from the feeder base is temporarily mounted in a powered state; a monitoring unit that detects a predetermined event that occurs due to an operation performed on the component supply unit attached to the work table and stores the event in an event memory unit of the component supply unit; a second component information update unit that, when the occurrence of the predetermined event is stored in the event memory unit of the component supply unit whose reattachment has been detected by the reattachment detection unit, executes a read request to request an operator to acquire component information of the carrier tape attached to the component supply unit using the information acquisition unit, and updates the memory unit based on the component information acquired by the read request; A component mounting system equipped with

2. If the occurrence of the predetermined event is not stored in the event storage unit, the second component information update unit does not execute the read request. The component mounting system according to claim 1 .

3. the monitoring unit detects, as a predetermined event, driving of the tape transport unit by operation of an operation switch of the component supply unit; The component mounting system according to claim 1 .

4. the monitoring unit detects, as a predetermined event, the tape transport unit being driven by a predetermined amount or more.

4. The component mounting system according to claim 3.

5. the monitoring unit detects, as a predetermined event, a change in a detection state of a carrier tape detection unit that detects the presence or absence of a carrier tape in the tape transport path; 5. The component mounting system according to claim 1.

6. The device further includes a reread condition setting unit that sets an event that causes the second component information update unit to execute the read request as the predetermined event.

6. The component mounting system according to claim 1.

7. the second component information update unit refers to the component information in the storage unit, requests information from an operator regarding a disposition of a carrier tape that may have been removed from the component supply unit, and updates the storage unit based on the information regarding the disposition acquired in response to the request.

7. The component mounting system according to claim 1.

8. Further comprising a display unit, the display unit displays a component information input screen for inputting component information of the carrier tape in response to the read request.

8. The component mounting system according to claim 1.

9. a step of transporting a carrier tape packed with a plurality of components along a tape transport path by a component supply unit to supply the components to a component removal position; a mounting head picking up components from the component take-out positions of the component supply units attached to the feeder base and mounting the components on the board; acquiring component information of a carrier tape used in the component supply unit by an information acquisition unit; storing the component information acquired by the information acquisition unit in a storage unit, or updating the storage unit based on the component information; detecting a predetermined event that occurs due to an operation performed on the component supply unit while the component supply unit is detached from the feeder base, and storing the detected event in an event memory unit of the component supply unit; detecting that the component supply unit has been reattached to the feeder base; When the occurrence of the predetermined event is stored in the event memory unit of the component supply unit whose re-attachment to the feeder base has been detected, executing a read request to request an operator to acquire component information of the carrier tape attached to the component supply unit by the information acquisition unit, and updating the memory unit based on the component information acquired by the read request; A component mounting method including:

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