Carrier tape processing device and carrier tape processing method

Abstract

The carrier tape handling device includes a roll-out unit that takes out a roll from a reel that holds a carrier tape containing components in a roll state and stores it in a box. The roll-out unit includes a separation unit that separates the roll from the reel and a roll storage unit that stores the roll separated from the reel by the separation unit in the box. In addition, the roll storage unit includes a box holding unit that holds an empty box and a chute unit that stores the rolls separated from the reel by the separation unit one by one in the empty box held by the box holding unit.

Description

Technical Field

[0001] The present disclosure relates to a carrier tape processing device and a carrier tape processing method for processing a carrier tape storing components. Background Art

[0002] Conventionally, as a component supply unit in a component assembly device for mounting components on a substrate, a tape feeder is known that supplies components to a component removal position by conveying a carrier tape containing components. The carrier tape used in the tape feeder is wound on a reel as a holding body thereof, and the carrier tape is transported, stored, and arranged relative to the component supply unit while being held wound on the reel (held on the reel body).

[0003] In such a tape feeder, the reel is a standard product and it is difficult to reduce its width dimension. After the use of the carrier tape is finished, an empty reel is generated, and its handling and storage require time. Based on such considerations, a device that can supply the carrier tape to the component supply unit in a rolled-up state without using a reel is proposed (for example, refer to the following patent document 1). In patent document 1, the reel of the carrier tape is placed in the storage section of the component supply unit from a mechanism for replenishing components (component replenishment mechanism), and after the component supply unit has pulled out the carrier tape, the unnecessary reel will not remain at the assembly work site.

[0004] Prior Art Literature

[0005] Patent Literature

[0006] Patent Document 1: Japanese Patent Application Laid-Open No. 5-21990 Summary of the invention

[0007] Therefore, an object of the present disclosure is to provide a carrier tape processing apparatus and a carrier tape processing method that can realize a reel-less component supply mode with an inexpensive structure.

[0008] The carrier tape handling apparatus of the present disclosure includes a roll taking-out unit that takes out a roll from a holding body that holds the carrier tape storing components in a rolled state and stores the roll in a cassette.

[0009] The carrier tape processing method disclosed herein includes a roll taking-out and storing step of taking out the roll from a holder that holds the carrier tape storing components in a roll state and storing the roll in a cassette.

[0010] The carrier processing device disclosed in the present invention comprises: a roll taking-out section, which takes out a roll from a holding body that holds the carrier containing components in a rolled state and stores it in a box having a storage section; a component information acquisition section, which acquires information related to the components, namely, component information; and a writing section, which writes the component information acquired by the component information acquisition section into the storage section.

[0011] The carrier tape processing method disclosed in the present invention includes: a roll-out and storage process, in which the roll is taken out from a holding body that holds the carrier tape containing components in a rolled state and is stored in a box having a storage unit; and a writing process, in which information related to the components, namely, component information, is written into the storage unit.

[0012] According to the present disclosure, a reel-less component supply mode can be realized with an inexpensive structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of a component assembly system in one embodiment of the present disclosure.

[0014] Figure 2 It is a side view of the component assembly device provided in the component assembly system in one embodiment of the present disclosure.

[0015] Figure 3 This is a perspective view of a boxed roll used in a component assembly device according to an embodiment of the present disclosure.

[0016] Figure 4 It is a perspective view of the reel body in one embodiment of the present disclosure.

[0017] Figure 5 This is an exploded view of a reel of a reel-attached reel used when manufacturing a box-packed reel in a carrier tape processing apparatus according to an embodiment of the present disclosure.

[0018] Fig. 6A This is a perspective view of a cassette used when the carrier tape processing apparatus in one embodiment of the present disclosure manufactures a cassette roll.

[0019] Figure 6B This is a partially enlarged view of a box used when the carrier tape processing device in one embodiment of the present disclosure manufactures a boxed roll.

[0020] Fig. 7A This is a perspective view of a boxed roll produced by a carrier tape processing apparatus according to an embodiment of the present disclosure.

[0021] Figure 7B This is a partially enlarged view of a boxed roll produced by a carrier tape processing device in one embodiment of the present disclosure.

[0022] Fig. 8A This is a diagram showing a usage state of a boxed roll produced by a carrier tape processing apparatus in one embodiment of the present disclosure.

[0023] Figure 8B This is a diagram showing a usage state of a boxed roll produced by a carrier tape processing apparatus in one embodiment of the present disclosure.

[0024] Figure 8C This is a diagram showing a usage state of a boxed roll produced by a carrier tape processing apparatus in one embodiment of the present disclosure.

[0025] Fig. 9 It is a perspective view of a carrier tape processing device in one embodiment of the present disclosure.

[0026] Fig.10 It is a side view of the carrier tape processing device in one embodiment of the present disclosure.

[0027] Fig.11 It is a front view of the main parts of the carrier tape processing device in one embodiment of the present disclosure.

[0028] Fig. 12A It is a figure explaining the operation of disassembling the reel by using the carrier tape handling apparatus in one embodiment of the present disclosure.

[0029] Fig. 12B It is a figure explaining the operation of disassembling the reel by using the carrier tape handling apparatus in one embodiment of the present disclosure.

[0030] Fig. 12C It is a figure explaining the operation of disassembling the reel by using the carrier tape handling apparatus in one embodiment of the present disclosure.

[0031] Fig.13 This is a diagram showing a state immediately after the reel is disassembled by the carrier tape handling apparatus according to the embodiment of the present disclosure.

[0032] Fig.14 This is a perspective view of a storage warehouse in one embodiment of the present disclosure.

[0033] Fig.15 This is a block diagram showing a control system of a component assembly system in one embodiment of the present disclosure.

[0034] Fig.16 This is a flowchart showing the flow of an operation of manufacturing a boxed roll using the carrier tape processing apparatus in one embodiment of the present disclosure.

[0035] Fig.17 This is a flowchart showing the flow of an operation of storing boxed rolls using a storage warehouse in one embodiment of the present disclosure.

[0036] Fig.18 This is a schematic diagram showing the operation of the boxed roll body in one embodiment of the present disclosure. DETAILED DESCRIPTION

[0037] Before describing the embodiments of the present disclosure, problems in conventional devices will be briefly described.

[0038] The device described in Patent Document 1 has a problem in that a large device (component supply unit) is required to supply the roll of the carrier tape to the component supply unit, which increases costs.

[0039] Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. Figure 1 The structure diagram of a component assembly system 1 including a carrier tape processing device in one embodiment of the present disclosure is shown. The component assembly system 1 includes: a manufacturing line 2; a carrier tape processing device 3 associated with the supply of components to the manufacturing line 2; and a storage warehouse 4 associated with the storage and management of components. The manufacturing line 2 performs operations while transferring substrates KB between a plurality of devices connected in series, thereby manufacturing an assembled substrate JK in which components are assembled on the substrate KB.

[0040] exist Figure 1 In the example, the production line 2 is connected to the management computer 6 via the information management terminal 5. The management computer 6 manages the operation of each device constituting the production line 2. Figure 1 As shown in FIG. 1 , the carrier tape processing device 3 and the storage warehouse 4 are also connected to the management computer 6. The management computer 6 also manages the operations of the carrier tape processing device 3 and the storage warehouse 4. Figure 1 As shown, the operator terminal 7 is connected to the management computer 6 , and the operator of the component assembly system 1 can perform various operation inputs on the component assembly system 1 through the operator terminal 7 .

[0041] First, the manufacturing line 2 will be described. Figure 1 In the figure, the manufacturing line 2 includes a substrate supply device 11, a printing device 12, a post-printing inspection device 13, a plurality of component assembly devices 14, a post-assembly inspection device 15, a reflow device 16, a final inspection device 17 and a substrate recovery device 18.

[0042] The substrate supply device 11 sequentially supplies the substrate KB to the printing device 12 on the downstream side. The printing device 12 carries in the substrate KB supplied from the substrate supply device 11, applies a paste-like solder to the electrode formed on the surface of the substrate KB, and carries it out to the post-printing inspection device 13 on the downstream side. The post-printing inspection device 13 carries in the substrate KB carried out from the printing device 12, and after observing and inspecting the coating state of the solder using a camera to see if there are any defective parts, carries out the substrate KB to the component assembly device 14 on the downstream side.

[0043] Each component assembly device 14 assembles components on a substrate KB carried in from the upstream side and carries it out to the downstream side. The component assembly device 14 located at the most downstream side carries out the substrate KB to the post-assembly inspection device 15 located downstream thereof. The component assembly device 14 will be described later.

[0044] The post-assembly inspection device 15 carries in the substrate KB carried out from the component assembly device 14 located on the most downstream side, and after observing and inspecting the assembly state of the components using a camera to see if there are any defective parts, carries out the substrate KB to the reflow soldering device 16 on the downstream side. The reflow soldering device 16 carries in the substrate KB carried out from the post-assembly inspection device 15, and passes it through a reflow furnace to melt and solidify the solder to join the components to the electrodes. The final inspection device 17 carries in the substrate KB that has passed through the reflow soldering device 16, and after observing and inspecting the joining state of the components to the electrodes using a camera, carries it out to the substrate recovery device 18 on the downstream side. The substrate recovery device 18 receives and recovers the substrate KB carried out from the final inspection device 17.

[0045] Next, use Figure 2 The component assembly device 14 is described below. Figure 2 In the embodiment, a base cover 22 is provided on a base 21 of the component assembly device 14 , and a substrate conveyance path 24 for conveying a substrate KB in a horizontal direction is provided in a work space 23 between the base 21 and the base cover 22 .

[0046] Feeder carriages 25 are connected to positions on both sides of the substrate conveying path 24 on the base 21. A plurality of component supply units 26 are mounted on each feeder carriage 25. Here, the component supply unit 26 is a tape feeder, and the carrier tape 27 is conveyed by a sprocket 26S, thereby supplying components BH one by one to a predetermined component supply position.

[0047] exist Figure 2 In the working space 23, an assembly head 32 is provided, and the assembly head 32 moves in a horizontal plane by means of an assembly head moving mechanism 31. A component suction nozzle 33 is provided on the assembly head 32 in a manner extending downward. The component BH supplied by the component supply unit 26 is sucked at the lower end of the component suction nozzle 33.

[0048] In each component assembly device 14, after the substrate conveyor path 24 carries in the substrate KB from the upstream side and positions it, the assembly head 32 is repeatedly operated to perform assembly rounds while the component supply unit 26 supplies the component BH. In one assembly round, the assembly head 32 sequentially performs the actions of sucking and picking up the component BH supplied by the component supply unit 26 and assembling the component BH at a predetermined component mounting position on the substrate KB. After the assembly head 32 repeatedly performs assembly rounds and assembles all the components BH to be assembled on the substrate KB, the substrate conveyor path 24 is operated to carry the substrate KB out to the downstream side.

[0049] Here, in the present embodiment, the carrier tape 27 used in the component assembly device 14 for supplying the component BH is unwound from a boxed roll 41. Here, the "boxed roll 41" refers to a structure in which a roll 27R in which the carrier tape 27 is rolled is stored in a box 42 (see also Figure 3 ). The boxed roll 41 is different from the conventionally used roll-attached reel roll 43 ( Figure 4 Here, the "reel-attached reel body 43" refers to a structure in which the reel body 27R is held by the reel 44.

[0050] In this embodiment, it is assumed that the reel 44 of the attached reel reel 43 is as follows Figure 5 As shown in the figure, the reel 44 has a structure with two side plates 45 and a winding core 46 disposed between the two side plates 45. In the present embodiment, the winding core 46 is combined with one side plate 45. And, by fitting a plurality of recessed portions 46K of the winding core 46 provided on one side plate 45 with a plurality of convex portions 45T provided on the side of the other side plate 45, the two side plates 45 are connected. Therefore, in the present embodiment, when the reel 44 is disassembled, the reel 44 is divided into two parts, a part including one side plate 45 and a part including the other side plate 45.

[0051] Here, the box 42 of the boxed roll body 41 is described. Fig. 6A As shown in the figure, the wireless tag 42M is attached to the outer surface of the front wall 53. The upper part of the rear wall 54 is provided with two upper and lower protrusion bases 51B extending inward from the inner surface of one side wall 51, and the two protrusion bases 51B are provided with a belt front end holding portion 42K ( Figure 6B ).

[0052] like Fig. 7A , Figure 7B As shown, during the storage or transportation of the boxed roll 41, the tape front end retaining portion 42K provided in the box 42 is inserted in advance into the conveying hole 27K (the hole engaged with the outer peripheral teeth of the sprocket 26S) possessed by the carrier tape 27 and locked. It should be noted that during the storage or transportation of the boxed roll 41 refers to the situation where the roll 27R is stored in the box 42 and is not in a state of being pulled out from the roll 27R for use. In the present embodiment, two tape front end retaining portions 42K provided in the box 42 are inserted into the two conveying holes 27K and locked. As a result, the carrier tape 27 is prevented from escaping from the box 42 of the boxed roll 41 during the storage or transportation, and the roll 27R is prevented from falling off from the box 42 as a whole.

[0053] On the other hand, when the carrier tape 27 is used after being drawn out from the boxed roll body 41, the two tape front end holding portions 42K are removed from the conveying holes 27K of the carrier tape 27, and further Figure 3 As shown in the figure, the front wall 53 is set to the following posture. By setting the front wall 53 to the following posture and pulling out the carrier tape 27 from the rear opening 56, the carrier tape 27 can be conveyed to the component supply unit 26. In this way, by providing the tape front end holding portion 42K in the cassette 42, the position of the front end of the carrier tape 27 in the cassette 42 is unified, so that the operation of taking out the front end of the carrier tape 27 from the cassette 42 can be easily performed. In addition, it is also easy to cope with the operation of taking out the front end of the carrier tape 27 by automated equipment such as a robot.

[0054] As the usage form of the boxed roll body 41 with respect to the component supply unit 26, for example, in addition to the following Figure 2 In addition to the form of being installed in the feeder carriage 25 as the boxed roll body 41 shown on the left side of Figure 2 The right side and Fig. 8A The boxed roll body 41 shown in FIG. 1 is mounted on the component supply unit 26 via the attachment 26A. Alternatively, there is also a form such as Figure 8B As shown in FIG. 2 , the entire boxed roll body 41 is accommodated in the component supply unit 26. Figure 8C As shown in FIG. 2 , the roll body 27R is taken out from the boxed roll body 41 , and only the roll body 27R is stored inside the component supply unit 26 .

[0055] As described above, in this embodiment, the cassette 42 of the cassette roll 41 can function as a support mechanism for the roll 27R when the roll 27R is installed outside the component supply unit 26 (the role of the reel 44 in the reel-attached roll 43 ).

[0056] Next, the carrier tape processing device 3 will be described. The carrier tape processing device 3 is a device that processes the carrier tape 27 used in the component assembly device 14 to manufacture the boxed roll 41. The carrier tape processing device 3 has a structure in which the roll 27R is taken out from the reel 44 of the conventional reel-attached roll 43 and the roll 27R is stored in the box 42, and the reel 44 is recovered.

[0057] like Fig. 9 , Fig.10 and Fig.11 As shown, the carrier tape processing apparatus 3 in the present embodiment includes a reel supply unit 61 , a reel conveying unit 62 , a reel unloading unit 63 , a collecting unit 64 , a reading unit 65 , and a writing unit 66 .

[0058] The reel supply unit 61 has the function of supplying the attached reel reel 43. The reel supply unit 61 is as follows: Fig. 9 and Fig.10 As shown, for example, it is composed of a container-shaped member opened upward, and holds a plurality of additional reel rolls 43 in a state of being arranged in the horizontal direction.

[0059] The reel conveying section 62 has a function of holding the attached reel roll 43 supplied by the reel supply section 61 and moving it upward to the roll taking-out section 63. Fig. 9 and Fig.10 As shown, the holding head 71 and the holding head moving mechanism 72 are provided. The holding head 71 holds the additional reel roll 43 supplied from the reel supply unit 61 by two holding portions 71H extending downward. The holding head moving mechanism 72 moves the holding head 71 holding the additional reel roll 43 in the horizontal plane direction and in the vertical direction.

[0060] The roll taking-out section 63 has a function of taking out the roll 27R from the reel 44 of the reel-attached reel 43 and storing it in the box 42. The roll taking-out section 63 includes a separation section 63A that separates the roll 27R from the reel 44 of the reel-attached reel 43, and a roll storing section 63B that stores the roll 27R separated from the reel 44 by the separation section 63A in the box 42.

[0061] Separation section 63A Fig. 9 and Fig.10 As shown in the figure, the separator 73 and the separator driving unit 74 are provided. The separator 73 is composed of a pair of movable plates 73S which are opposite to each other in the horizontal direction and extend in the vertical direction. A U-shaped escape portion 73N ( Fig.10 ).

[0062] exist Fig. 9 and Fig.10 In the embodiment, the separator driving unit 74 includes: a pair of (two) arm portions 74A; and an arm driving unit 74B that moves the two arm portions 74A. One end portion of the two arm portions 74A is respectively mounted on the two movable plates 73S, and the two arm portions 74A extend in a substantially horizontal direction. The arm driving unit 74B can change the interval between the two arm portions 74A (and thus the separator 73) by moving the two arm portions 74A in the horizontal direction.

[0063] exist Fig. 9 and Fig.10 In the embodiment, the roll storage section 63B includes a box holding section 63Ba and a chute section 63Bb. The roll storage section 63B has a function of holding an empty box 42 and conveying it in a horizontal direction. The chute section 63Bb has a function of guiding the roll 27R so that the roll 27R separated from the reel 44 by the separation section 63A is stored one by one in the empty box 42 held by the box holding section 63Ba.

[0064] The box holding portion 63Ba is as follows Fig. 9 , Fig.10 and Fig.11 As shown in the figure, the cassette holding section 63Ba holds the cassettes 42 arranged in a row with their upper openings 55 facing upward, and intermittently conveys the cassettes 42 in the horizontal direction.

[0065] The chute portion 63Bb is as follows Fig. 9 , Fig.10 and Fig.11 As shown in the figure, it is composed of a pair (two) of slide channel members 63T. The two slide channel members 63T are arranged to face each other in the direction in which the two movable plates 73S constituting the separator 73 face each other. The two slide channel members 63T are arranged below the separator 73.

[0066] exist Fig.11 In the embodiment, the upper end 63J of each of the two slide groove members 63T has a shape that expands toward the upper side. The interval between the upper ends of the two slide groove members 63T is wider than the interval between the lower ends of the two movable plates 73S constituting the separator 73. In addition, the interval between the two slide groove members 63T becomes narrower toward the lower end ( Fig.11 ).

[0067] The chute portion 63Bb guides downward the roll body 27R separated from the reel 44 by disassembling the reel 44 by the separation portion 63A, thereby storing the roll body 27R in the cassette 42 located below the chute portion 63Bb. Thus, one cassette 42 stores one roll body 27R.

[0068] The recovery unit 64 has a function of recovering the reel 44 decomposed by the separation unit 63A. Fig. 9 and Fig.10 As shown, a pair of reel discharge chutes 75 and a recovery box 76 are provided.

[0069] The two reel discharge chutes 75 have a cylindrical shape with the opening becoming wider toward the upper side. The upper end opening 75K of each of the two reel discharge chutes 75 is located on the side of the separator 73 (on the side of each of the two movable plates 73S). The recovery box 76 is a container-shaped member that opens upward and is arranged below the two reel discharge chutes 75.

[0070] When the reel 44 is separated by the separation section 63A, first, the attached reel roll 43 held by the holding head 71 of the reel conveying section 62 is positioned above the separator 73 ( Fig.11 ). Then, the interval between the upper ends of the two movable plates 73S constituting the separator 73 is made smaller than the interval between the two side plates 45 constituting the reel 44 of the additional reel reel 43 ( Fig. 12AThe holding head 71 is lowered relative to the separator 73 by inserting the upper end portions of the two movable plates 73S between the two side plates 45 from below (arrow A shown in FIG. 1 ). Fig. 12A The arrow shown in B).

[0071] After the upper ends of the two movable plates 73S are inserted between the two side plates 45 from below, the arm driving unit 74B operates to increase the distance between the two movable plates 73S. At this time, the distance between the two movable plates 73S is made larger than the distance between the two side plates 45 ( Fig. 12B As a result, the movable plate 73S pushes the side plate 45 outward to expand the gap between the side plate 45 and the roll body 27R.

[0072] After the gap between the side plate 45 and the roll body 27R is enlarged by increasing the interval between the two movable plates 73S ( Fig. 12B ), so that the holding head 71 is further lowered relative to the separator 73 ( Fig. 12C As shown by arrow D in FIG. 1 , the two movable plates 73S are inserted into the gap between the expanded side plate 45 and the roll body 27R. At this time, the roll core 46 enters the aforementioned escape portion 73N formed in each movable plate 73S.

[0073] After the two movable plates 73S are inserted between the side plate 45 and the roll body 27R, the arm driving unit 74B further widens the gap between the two movable plates 73S ( Fig.13 As a result, the two side plates 45 are pulled apart, and the plurality of recessed portions 46K of the winding core 46 provided on one side plate 45 are separated from the plurality of convex portions 45T provided on the other side plate 45 ( Fig.13 ). Thus, the reel 44 is divided into two parts, a part including one side plate 45 and a part including the other side plate 45. The reel 27R separated from the reel 44 passes between the two slide grooves 63Bb constituting the reel storage section 63B and is stored in the empty box 42 located directly below the reel storage section 63B.

[0074] On the other hand, the side plate 45 on one side of the reel 44 divided into two parts falls toward the upper end opening 75K of the reel discharge chute 75 on one side, and the side plate 45 on the other side falls toward the upper end opening 75K of the reel discharge chute 75 on the other side ( Fig.13 The two side plates 45 respectively fall through the reel discharge chute 75 and enter the recovery box 76 to be recovered.

[0075] exist Fig. 9In the embodiment, the reading unit 65 is composed of a reader or camera that optically reads an identifier (mark) such as a barcode or a two-dimensional code printed (recorded) on the surface of the outer side of the reel 44, and is provided near the reel supply unit 61. The identifier includes component information of the component BH stored in the carrier tape 27. In the present embodiment, the reading unit 65 reads the barcode printed on the code label 43L ( Fig. 9 and Fig.10 ) to obtain component information (read), and the code label 43L is attached to the reel 44 of the reel body 43 held in the reel supply unit 61. Fig. 9 , Fig.10 The dotted line Br schematically shows the reading range of the reading section 65. Here, "component information" refers to information related to the component BH stored in the carrier tape 27 of the reel body 43, including at least one of the type of component BH, component name, characteristics, manufacturing date, manufacturer, expiration date, number of components, and access information (URL, etc.) for accessing such information.

[0076] Thus, in the present embodiment, the reading unit 65 becomes a component information acquisition unit that acquires information related to the components stored in the carrier tape 27, that is, component information. It should be noted that, in the case where the reel 44 has a wireless tag storing component information, the reading unit 65 may also use a non-contact reader having the function of reading the information of the wireless tag in a non-contact manner. In addition, the reading unit 65 reads the component information from the reel 44 of the reel supply unit 61, but it may also be read from the reel 44 held by the holding head 71. In addition, in the present embodiment, the reading unit 65 is arranged at a position where the identifier of the reel 44 of the reel supply unit 61 can be read, but it may be any position as long as it is a position where the identifier can be read. In addition, it may also be arranged to be mounted on the holding head 71 or a robot arm (not shown) so as to be movable. Moreover, the reading unit 65 may also be composed of a wireless or wired handheld scanner and controlled by the operator OP (refer to Fig.14 ) operation to read the identifier of reel 44.

[0077] The writing unit 66 writes information to the wireless tag 42M attached to the cartridge 42 held by the cartridge holding unit 63Ba by wireless communication. The information written to the wireless tag 42M by the writing unit 66 is the component information acquired (read) by the reading unit 65 and the identification information.

[0078] Here, "identification information" refers to information used to distinguish the components BH stored in one reel 27R used in the component assembly system 1 from the components BH stored in other reels 27R. The identification information is composed of, for example, a serial number issued in the factory where the component assembly system 1 is installed. In the present embodiment, the identification information is generated (issued) in the management computer 6 when the reel 27R separated from the reel 44 is stored in the box 42 as described later. In addition, the identification information is also used as management information for managing the box 42. That is, the identification information is used for both the purpose of identifying the reel 27R and the purpose of identifying the box 42.

[0079] Next, the storage warehouse 4 will be described. The storage warehouse 4 stores the boxed rolls 41. The boxed rolls 41 mentioned here include not only the boxed rolls 41 just manufactured by the carrier tape processing device 3, but also the boxed rolls 41 in use such as those used in the component assembly device 14 and sent back in the middle.

[0080] exist Fig.14 In the embodiment, the storage warehouse 4 has a plurality of shelf portions 82 (storage portions) in a shell 81. An entrance 83 is provided below the front surface of the shell 81, and a movable workbench 84 is provided inside the shell 81. The movable workbench 84 extends through the entrance 83 to the outside of the shell 81 (the side near the operator OP) and is pulled into the shell 81 (the side in the depth when viewed from the operator OP). When the boxed roll 41 is stored in the storage warehouse 4, the movable workbench 84 is extended to the side near the operator OP, and when the boxed roll 41 placed on the movable workbench 84 is accommodated in the shell 81, the movable workbench 84 is pulled into the depth.

[0081] A plurality of storage positions 82S for storing (loading) the boxed roll 41 are predefined in advance on the plurality of shelf portions 82 provided in the storage warehouse 4. That is, in the present embodiment, each shelf portion 82 is a storage portion having a plurality of storage positions 82S, and the storage positions 82S store the box 42 (i.e., the boxed roll 41) containing the roll 27R.

[0082] exist Fig.14 In the embodiment, a box transfer mechanism 85 is provided in the housing 81. The box transfer mechanism 85 includes: a Z-axis table 86 extending in the up-down direction (set as the Z-axis direction); a Y-axis table 87 extending in the front-back direction (set as the Y-axis direction) when the operator OP observes, and moving in the up-down direction with the help of the Z-axis table 86; an X-axis table 88 extending in the lateral direction (set as the X-axis direction) when the operator OP observes, and moving in the front-back direction with the help of the Y-axis table 87; and a transfer head 89 moving in the X-axis direction with the help of the X-axis table 88.

[0083] The cassette transfer mechanism 85 moves the transfer head 89 three-dimensionally by moving the Y-axis table 87 along the Z-axis direction based on the Z-axis table 86, moving the X-axis table 88 along the Y-axis direction based on the Y-axis table 87, and moving the transfer head 89 along the X-axis direction based on the X-axis table 88. The transfer head 89 includes two fingers 89F arranged along the X-axis direction.

[0084] The transfer head 89 can move the two fingers 89F closer to or farther from each other in the X-axis direction. When the two fingers 89F are operated in a closed manner with the cassette roll 41 disposed between the two fingers 89F, the cassette roll 41 is gripped by the two fingers 89F (ie, by the transfer head 89).

[0085] exist Fig.14 In the embodiment, the transfer head 89 is provided with a non-contact reader 90 with a photographing field of view facing the depth direction when viewed by the operator OP. The non-contact reader 90 faces the wireless tag 42M provided on the box 42 of the boxed roll 41 at the position where the transfer head 89 holds the boxed roll 41.

[0086] The contactless reader 90 reads the information written in the wireless tag 42M (the component information and identification information of the component BH stored in the roll body 27R) by wireless communication while facing the wireless tag 42M. In the present embodiment, the contactless reader 90 functions as an identification information reading unit that reads the identification information written in the wireless tag 42M as a storage unit. After reading the information written in the wireless tag 42M of the boxed roll body 41, the contactless reader 90 causes the management computer 6 to store the read information (described later).

[0087] A unique address is assigned to each storage position 82S defined in each of the plurality of shelf sections 82. In the present embodiment, when the boxed roll 41 is stored (placed) in the storage position 82S, information (component information) of the component BH stored in the roll 27R (carrier tape 27) of the boxed roll 41 is associated (so-called linked) with the identification information of the boxed roll 41 and stored in the management computer 6. Furthermore, information (storage position information) of the component information is associated with the information of the storage position 82S and stored in the management computer 6 (described later). Thus, the management computer 6 can understand which boxed roll 41 storing which component BH is stored in which storage position 82S of the storage warehouse 4.

[0088] Fig.15 The overall control system of the component assembly system 1 is shown by a block diagram. Fig.15As shown, the management computer 6 includes a production information management unit 91, a component monitoring unit 92, an operation instruction unit 93, and an information management unit 94. The production information management unit 91 stores production plan data in the component assembly system 1. The component monitoring unit 92 monitors the remaining number of components BH in the manufacturing line 2. When the component monitoring unit 92 predicts that the component is running out, it transmits this to the operation instruction unit 93.

[0089] The operation instruction unit 93 instructs the manufacturing line 2 and the operator OP on the operation when the machine type is switched based on the production plan data stored in the production information management unit 91, and instructs the storage warehouse 4 on the delivery of the parts BH used in the production of the next machine type. In addition, the operation instruction unit 93 instructs the operation based on the information from the parts monitoring unit 92 (specifically, instructions on the delivery of the replenishment parts to the storage warehouse 4, and instructions on the parts replenishment operation to the operator OP).

[0090] The information management unit 94 includes a first information management unit 94a, a second information management unit 94b, an identification information generation unit 94c, and a storage location information generation unit 94d ( Fig.15 ). The first information management unit 94a manages the component information, and the second information management unit 94b manages the information (storage location information) of the storage location 82S of the component BH in the storage warehouse 4. Specifically, the first information management unit 94a stores the component information and identification information about the roll 27R separated from the reel 44 in a state of being associated. In addition, the second information management unit 94b stores the identification information and storage location 82S information (storage location information) about the roll 27R separated from the reel 44 in a state of being associated.

[0091] The identification information generating unit 94c generates (issues) identification information on the roll 27R when the carrier tape processing device 3 disassembles the reel 44 of the reel-attached roll 43 and separates the roll 27R from the reel 44. The storage position information generating unit 94d determines the storage position 82S of the boxed roll 41 when the boxed roll 41 is stored in the storage warehouse 4 and generates the storage position information.

[0092] like Fig.15 As shown in FIG. 1 , the carrier tape processing device 3 includes a processing device control unit 3C. The processing device control unit 3C controls the reel conveying unit 62, the reel taking-out unit 63, the reading unit 65, the writing unit 66, etc. included in the carrier tape processing device 3. Fig.15 As shown, the storage warehouse 4 includes a warehouse control unit 4C. The warehouse control unit 4C controls the moving table 84, the box transfer mechanism 85, and the non-contact reader 90 provided in the storage warehouse 4.

[0093] Next, use Fig.16The flowchart shown in FIG. 1 is used to explain the process of manufacturing the boxed roll 41 (processing of the carrier tape 27) performed by the carrier tape processing device 3. First, the processing device control unit 3C of the carrier tape processing device 3 obtains the component information of the attached reel roll 43 that is the operation target among the attached reel rolls 43 supplied by the reel supply unit 61 (the component information acquisition process of step ST1). Here, the component information is obtained by the reading unit 65 reading the identifier of the code label 43L attached to the reel 44 of the attached reel roll 43 that is the operation target ( Fig. 9 ), but it may be performed by other methods. For example, the operator OP may input the content of the code tag 43L from an input device (not shown) connected to the processing device control unit 3C.

[0094] After obtaining the component information of the attached reel roll 43 in step ST1, the processing device control unit 3C operates the reel conveying unit 62 of the carrier tape processing device 3 to cause the gripping head 71 to grip the attached reel roll 43 as the work object. Then, after the gripping head 71 grips the attached reel roll 43, the gripping head 71 is moved ( Fig.10 ), the attached reel body 43 is positioned above the separator 73 (positioning process of step ST2, Fig.11 ).

[0095] After positioning the attached reel reel 43 above the separator 73, the processing device control unit 3C separates the reel 44 ( Fig. 12A → Fig. 12B → Fig. 12C ), so that the reel 27R is separated from the reel 44 (separation process of step ST3). As a result, the reel 44 is divided into two parts, a part including one side plate 45 and a part including the other side plate 45, and the reel 27R passes through the reel storage section 63B and is stored in the empty box 42 located directly below the reel storage section 63B (reel storage process of step ST4). In addition, the reel 44 divided into two parts passes through the reel discharge chute 75 and is recovered in the recovery box 76 (retainer recovery process of step ST5).

[0096] Here, the separation process of step ST3 and the roll storage process of step ST4 become a roll taking-out and storage process of taking out the roll 27R from the reel 44 and storing it in the box 42. Here, the reel 44 is a holding body that holds the carrier tape 27 storing the components BH in the state of the roll 27R. In the roll storage process in the roll taking-out and storage process, the rolls 27R separated from the reel 44 in the separation process are stored one by one in the empty box 42. Therefore, one roll 27R can be managed as a unit of one box 42.

[0097] When the reel 44 is separated in step ST3, the processing device control unit 3C requests the identification information generating unit 94c of the management computer 6 to generate identification information about the reel 27R separated from the reel 44. Then, the identification information generating unit 94c to which the processing device control unit 3C has requested the generation of identification information generates identification information about the reel 27R taken out by separating the reel 44 (identification information generating step of step ST6).

[0098] After the identification information is generated by the identification information generating unit 94c in step ST6, the processing device control unit 3C of the carrier tape processing device 3 receives the generated identification information. Furthermore, the component information acquired in step ST1 and the identification information generated in step ST6 are written by the writing unit 66 to the wireless tag 42M attached to the box 42 (the box 42 in which the roll 27R is stored in step ST4) (writing process in step ST7).

[0099] After the component information and identification information are written to the wireless tag 42M of the box 42, the processing device control unit 3C transmits the information written to the wireless tag 42M (component information and identification information about the roll 27R) to the management computer 6, and causes the first information management unit 94a of the management computer 6 to store the information (component information and identification information). Thus, the roll 27R separated from the reel 44 is registered in the management computer 6 in a state where the identification information, which is the inherent information of the roll 27R, and the component information, which is the information of the component BH stored in the roll 27R, are associated with each other (component information registration process of step ST8).

[0100] After writing the information on the roll 27R into the first information management unit 94a of the management computer 6, the processing device control unit 3C ends the production of the boxed roll 41 (processing operation of the carrier tape 27) by the carrier tape processing device 3.

[0101] Next, use Fig.17 The flowchart shown in FIG. 1 is used to explain the process of the storage operation of the boxed roll 41. First, the warehouse control unit 4C of the storage warehouse 4 moves the movable workbench 84 from the entrance 83 provided in the housing 81 to the near side. Then, the operator OP (or a mobile robot not shown) places the boxed roll 41 on the movable workbench 84 (placement process of step ST11, Fig.14 At this time, the boxed roll body 41 is placed on the movable workbench 84 with the upper opening 55 facing upward and the front wall 53 facing the near side (the operator OP side). As a result, the wireless tag 42M set in the box 42 is in a state of facing the near side ( Fig.14 ).

[0102] After the mobile workbench 84 places the boxed roll 41, the warehouse control unit 4C moves the mobile workbench 84 to pull the boxed roll 41 into the shell 81. After the boxed roll 41 is pulled into the shell 81, the warehouse control unit 4C moves the transfer head 89 to the near front side of the boxed roll 41 placed on the mobile workbench 84. Then, the two fingers 89F are operated in a closed manner to allow the transfer head 89 to grip the boxed roll 41. At this time, the non-contact reader 90 provided on the transfer head 89 is directly opposite to the wireless tag 42M of the box 42 provided on the boxed roll 41, so that the non-contact reader 90 reads the identification information written on the wireless tag 42M (the identification information reading process of step ST12).

[0103] After the non-contact reader 90 reads the identification information written in the wireless tag 42M, the warehouse control unit 4C transmits the identification information read by the non-contact reader 90 to the management computer 6. Then, the management computer 6 receiving the transmission of the identification information from the warehouse control unit 4C determines the storage position 82S of the boxed roll body 41 (the boxed roll body 41 whose identification information is read by the non-contact reader 90) corresponding to the identification information in the storage position information generating unit 94d, and generates the storage position information (storage position information generating process of step ST13). The storage position 82S is determined by selecting arbitrarily or according to a predetermined rule from the storage positions 82S that are idle at that time point.

[0104] After the storage location information generating unit 94d generates the storage location information in step ST13, the management computer 6 stores the generated storage location information and the identification information of the boxed roll body 41 corresponding to the storage location information in the second information management unit 94b in a state of being associated with each other. Thus, with respect to the boxed roll body 41 to be stored in the storage warehouse 4, the information inherent to the roll body 27R, i.e., the identification information, and the information on the storage location of the boxed roll body 41 including the roll body 27R in the storage warehouse 4 (storage location information) are registered in the management computer 6 in a state of being associated with each other (storage location information registration process of step ST14).

[0105] After the management computer 6 stores the storage information and identification information of the boxed roll body 41 placed on the movable table 84 in the second information management unit 94b in an associated state, it operates the box transfer mechanism 85 to transfer and store the boxed roll body 41 placed on the movable table 84 to the storage position 82S corresponding to the storage position information (storage process of step ST15). The storage operation of the boxed roll body 41 is thus completed.

[0106] Thus, in this embodiment, the roll 27R can be taken out from the holder such as the reel 44 and stored in the box 42, and the roll 27R can be handled as the boxed roll 41. The boxed roll 41 can be made smaller in width and more compact than the reel-attached roll 43, and the reel 44 does not remain as waste after the roll 27R (i.e., the carrier tape 27) is used up, so the workability is good. In addition, the box 42 itself is not only inexpensive, but also can be reused (circulated) unlike the reel 44, so the cost can be reduced in this respect as well.

[0107] Furthermore, in the present embodiment, the box 42 is provided with a wireless tag 42M as a storage unit capable of storing component information, and the component information recorded on the reel 44 can be written and stored in the wireless tag 42M. Therefore, even if the roll 27R is taken out from the reel 44, the component information is not lost, and the component information can be managed in units of each boxed roll 41. In addition, the component information is stored in association with the unique information of the roll 27R, that is, the identification information, so that the component information can be managed in units of each boxed roll 41.

[0108] In the above-mentioned component assembly system 1, the carrier processing device 3 (processing device control unit 3C, reel conveying unit 62, reel body unloading unit 63, reading unit 65 as a component information acquisition unit, writing unit 66), storage warehouse 4 (warehouse control unit 4C, shelf unit 82, box transfer mechanism 85, non-contact reader 90 as an identification information reading unit), information management unit 94 (first information management unit 94a, second information management unit 94b, identification information generation unit 94c and storage position information generation unit 94d) constitute a component management device 100 ( Fig.15 ).

[0109] The management operation (parts management method) of the parts BH using the parts management device 100 first acquires the parts information (parts information acquisition process), generates identification information (identification information generation process), writes the parts information and identification information into the wireless tag 42M provided in the box 42 (writing process), associates the written parts information with the identification information and stores them in the first information management unit 94a (parts information registration process). Then, the process is performed as follows: the identification information written into the wireless tag 42M is read by the identification information reading unit (non-contact reader 90) (identification information reading process), determines the storage location 82S and generates the storage location information (storage location information generation process), and associates the identification information with the storage location information and stores them in the second information management unit 94b (storage location information registration process).

[0110] According to such a component management method, in addition to the component information and identification information about the boxed roll body 41 being stored in association with each other, the identification information and storage location information of the boxed roll body 41 are also stored in association with each other, so that the boxed roll body 41 in the storage warehouse 4 can be stored and taken out smoothly. Therefore, according to the component management device 100 (component management method) in this embodiment, the storage and removal of the component BH can be performed simply and efficiently.

[0111] It should be noted that the roll 27R of the boxed roll 41 handled by the component management device 100 in this embodiment does not necessarily need to be taken out from the attached reel roll 43, and may be manufactured from the beginning as the roll 27R of the carrier tape 27. For example, the roll 27R may be manufactured by measuring the length while winding a large-capacity carrier tape roll that is the basis for manufacturing the attached reel roll 43.

[0112] Fig.18 The figure shows a schematic diagram of the use of the boxed roll 41 in the component assembly system 1 in the present embodiment. As shown in the figure, the boxed roll 41 in the present embodiment is manufactured by supplying the reel roll 43 and the box 42 to the carrier processing device 3. A part of the boxed roll 41 manufactured by the carrier processing device 3 is transported to the manufacturing line 2 and used, and the other part is kept in the storage warehouse 4 (warehoused). The boxed roll 41 kept in the storage warehouse 4 is unloaded from the storage warehouse 4 and transported to the manufacturing line 2 and used. Then, the box 42 generated due to the exhaustion of the carrier tape 27 of the boxed roll 41 in the manufacturing line 2 is recovered and supplied to the carrier processing device 3, so as to be reused in the manufacture of a new boxed roll 41. In addition, a part of the boxed roll 41 that is transported to the manufacturing line 2 and is in a state where the carrier tape 27 has not been exhausted is sent back to the storage warehouse 4 and is kept (warehoused).

[0113] As described above, the carrier tape processing device 3 (carrier tape processing method) in this embodiment can take out the roll 27R from the holding body such as the reel 44 and store it in the box 42, and process the roll 27R as the boxed roll 41. The boxed roll 41 can be made smaller in the width direction and more compact than the reel-attached roll 43, and after the roll 27R (i.e., the carrier tape 27) is used up, the reel 44 does not remain as waste, so the workability is also good.

[0114] In addition, the box 42 is not only cheap in itself, but also can be reused (circulated) unlike the reel 44, so the cost can be reduced in this respect. Therefore, according to the carrier processing device 3 (carrier processing method) in this embodiment, a component supply form without a reel can be realized with a cheap structure.

[0115] Furthermore, in the present embodiment, the box 42 is provided with a wireless tag 42M as a storage unit capable of storing component information, and the component information recorded on the reel 44 can be written to the wireless tag 42M and stored, so that even if the reel 27R is taken out from the reel 44, the component information will not be lost, and the component information can be managed in units of each boxed reel 41. In addition, the component information is stored in association with the identification information that is the inherent information of the reel 27R, so the component information can be managed in units of each boxed reel 41. Therefore, according to the carrier tape processing device 3 (carrier tape processing method) in the present embodiment, it is possible to manage component information and realize a reel-free component supply mode with an inexpensive structure.

[0116] The embodiments of the present disclosure have been described so far, but the present disclosure is not limited to the above contents, and various modifications are possible. For example, in the above embodiments, the reel 44 with the reel reel 43 is divided into two parts, but this is an example, and it can also be divided into three or more parts. In this case, as long as the multiple parts generated by the decomposition are respectively dropped into the recovery box 76 through the reel discharge chute 75, the decomposed reel 44 can be reliably recovered.

[0117] The structure of the disassembly mechanism of the reel 44 and the disassembly method shown in the above embodiment are examples, and the reel 27R may be disassembled and taken out from the reel 44 by other methods. Furthermore, if the reel 44 can be taken out without disassembling the reel 44 (for example, the side plate 45 of the reel 44 is one piece, and the reel core 46 extends from the one side plate 45 in a cantilevered state, and the reel 27R can be separated from the reel 44 as long as the reel 27R can be taken out from the reel core 46), it is not necessary to disassemble the reel 44. Furthermore, the specific structure of the reel taking-out portion 63 shown in the above embodiment is only an example, and the structure can be freely designed as long as the reel 27R can be taken out from a holding body such as the reel 44 that holds the carrier tape 27 containing the component BH in the state of the reel 27R and is stored in the box 42.

[0118] Industrial Applicability

[0119] Provided are a carrier tape processing device and a carrier tape processing method capable of realizing a reel-less component supply mode with an inexpensive structure.

[0120] Description of reference numerals:

[0121] 3 Carrier tape handling device

[0122] 27 Carrier tape

[0123] 27R Roll

[0124] 41 rolls per box

[0125] 42 boxes

[0126] 42M wireless tag (storage unit)

[0127] 43 with reel

[0128] 44 Reel (holding body)

[0129] 45 Side Panel

[0130] 46 core

[0131] 63 Roll taking out unit

[0132] 63A Separation Unit

[0133] 63B Roll storage unit

[0134] 63Ba Cartridge holding unit

[0135] 63Bb Chute

[0136] 64 Recycling Department

[0137] 65 Reading unit (component information acquisition unit)

[0138] 66 Writing Department

[0139] 82 Shelf (storage)

[0140] 94 Information Management Department

[0141] 94a First Information Management Department

[0142] 94b Second Information Management Department

[0143] 94c Identification information generation unit

[0144] 94d Storage location information generation unit

[0145] BH parts.

Claims

1. A carrier tape processing device, comprising a roll taking-out unit that takes out a carrier tape containing components from a holding unit composed of a reel that holds the carrier tape in a rolled state and stores the roll in a box, The roll taking-out unit comprises: a separation portion that separates the roll body from the holding body; and The roll body storage section stores the roll body separated from the holding body by the separation section in the box.

2. The carrier tape processing device according to claim 1, wherein: The roll storage section comprises: a cartridge holding portion that holds an empty cartridge; and The chute portion accommodates the roll bodies separated from the holding body by the separation portion one by one in the empty cassette held by the cassette holding portion.

3. The carrier tape processing device according to claim 1, wherein: The separating unit separates the roll body from the holding body by disassembling the holding body.

4. The carrier tape processing device according to claim 1, wherein: The reel includes a core around which the carrier tape is wound and a pair of side plates sandwiching the core. The separation portion decomposes the holding body so as to be divided into two parts: a part including one side plate and a part including the other side plate.

5. The carrier tape processing device according to claim 3 or 4, wherein: The carrier tape processing device includes a recovery unit that recovers the holding body after the roll body is separated by the separation unit.

6. A method for processing a carrier tape, wherein: The carrier tape processing method includes a roll taking-out and storage step, in which the roll is taken out from a holding body composed of a reel that holds the carrier tape storing the components in a rolled state, and the roll is stored in a box, The roll taking out and storing process comprises: a separation step of separating the roll body from the holding body; and A roll storing step is performed in which the roll separated from the holding body in the separating step is stored in the box.

7. The method for processing a carrier tape according to claim 6, wherein: In the roll storing step, the rolls separated from the holding body in the separating step are stored one by one in an empty box.

8. The method for processing a carrier tape according to claim 7, wherein: The separating step separates the roll body from the holding body by disassembling the holding body.

9. The method for processing a carrier tape according to claim 6, wherein: The reel includes a core around which the carrier tape is wound and a pair of side plates sandwiching the core. In the separating step, the holding body is disassembled so as to be divided into two parts: a part including one side plate and a part including the other side plate.

10. The method for processing a carrier tape according to claim 8 or 9, wherein: The carrier tape processing method includes a holding body recovery step of recovering the holding body after the roll body is separated in the separation step.

11. A carrier tape processing device, comprising: a roll taking-out section that takes out the roll from a holding body formed of a reel that holds the carrier tape storing the components in a rolled state, and stores the roll in a box having a storage section; a component information acquisition unit that acquires component information that is information related to the component; and a writing unit that writes the component information acquired by the component information acquiring unit into the storage unit, The roll taking-out unit comprises: a separation portion that separates the roll body from the holding body; and The roll body storage section stores the roll body separated from the holding body by the separation section in the box.

12. The carrier tape processing device according to claim 11, wherein: The component information is recorded on the holder, and the component information acquisition unit acquires the component information recorded on the holder by reading.

13. The carrier tape processing device according to claim 12, wherein: The component information acquisition unit reads the component information before the roll is separated from the holding body.

14. The carrier tape processing device according to claim 11, wherein: The carrier tape processing device further includes an identification information generating unit that generates identification information used to distinguish the component from components stored in other boxes. The writing unit writes the identification information together with the component information.

15. The carrier tape processing device according to claim 14, wherein: The carrier tape processing apparatus includes an information management unit that stores the component information read by the component information acquisition unit in association with the identification information generated by the identification information generation unit.

16. The carrier tape processing device according to claim 11, wherein: The component information includes component type, component name, characteristics, manufacturing date, manufacturer, service life, number of components, and at least one of the access information for accessing the above-mentioned component type, component name, characteristics, manufacturing date, manufacturer, service life, and number of components.

17. A method for processing a carrier tape, comprising: a roll-out and storage step of taking out the roll from a holding body formed of a reel that holds the carrier tape storing the components in a rolled state and storing the roll in a box having a storage portion; and a writing step in which information related to the component, that is, component information, is written into the storage unit, The roll taking out and storing process comprises: a separation step in which the roll body is separated from the holding body; as well as A roll storing step is performed in which the roll separated from the holding body in the separating step is stored in the box.

18. The method for processing a carrier tape according to claim 17, wherein: The carrier tape processing method includes a component information acquisition step of acquiring the component information recorded on the holding body, and in the writing step, the component information acquired in the component information acquisition step is written into the storage unit.

19. The method for processing a carrier tape according to claim 18, wherein: The component information acquisition step reads and acquires the component information before the roll is separated from the holder.

20. The method for processing a carrier tape according to claim 18, wherein: The carrier tape processing method further includes an identification information generating step of generating identification information for distinguishing the component from components stored in other boxes. In the writing step, the identification information is written together with the component information.

21. The method for processing a carrier tape according to claim 20, wherein: The carrier tape processing method includes a component information registration step of storing the component information acquired in the component information acquisition step in association with the identification information generated in the identification information generation step.

22. The method for processing a carrier tape according to claim 17, wherein: The component information includes component type, component name, characteristics, manufacturing date, manufacturer, service life, number of components, and at least one of the access information for accessing the above-mentioned component type, component name, characteristics, manufacturing date, manufacturer, service life, and number of components.

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