Lead straightening jig and component mounting device

Abstract

The present invention provides a lead correcting jig and a component mounting apparatus that correct the interval of leads. The lead correcting jig includes a first correcting portion having a plurality of inclined surfaces arranged along a first axis direction, and correcting the interval of leads in the first axis direction by pressing the leads of a lead component against the first correcting portion; and a second correcting portion having a plurality of inclined surfaces arranged along a second axis direction, and correcting the interval of leads in the second axis direction by pressing the leads of the lead component against the second correcting portion.

Description

Technical Field

[0001] This invention relates to lead wire straightening clamps and component mounting devices. Background Technology

[0002] In the technical field of component mounting devices, the lead wire straightening clamp disclosed in Patent Document 1 is known.

[0003] Patent Document 1: Japanese Patent Application Publication No. 2016-021553

[0004] The lead straightening fixture disclosed in Patent Document 1 is suitable for straightening the spacing between a pair of leads disposed on a lead member. By straightening the spacing between the pair of leads, the leads are properly inserted into the opening of the substrate. By properly inserting the leads into the opening of the substrate, the occurrence of poor mounting can be suppressed. Sometimes the lead members are arranged in a matrix. A technique is desired that can also straighten the spacing between the leads when the leads are arranged in a matrix. Summary of the Invention

[0005] The purpose of this invention is to correct the spacing of the leads.

[0006] According to the present invention, a lead wire straightening clamp is provided, comprising: a first straightening portion having a plurality of inclined surfaces arranged along a first axial direction, wherein the spacing of the leads along the first axial direction is straightened by pressing the leads of the lead wire member against the first straightening portion; and a second straightening portion having a plurality of inclined surfaces arranged along a second axial direction, wherein the spacing of the leads along the second axial direction is straightened by pressing the leads of the lead wire member against the second straightening portion.

[0007] According to the present invention, the spacing of the leads can be corrected. Attached Figure Description

[0008] Figure 1 This is a perspective view showing the component mounting device of the embodiment.

[0009] Figure 2 This is a schematic diagram illustrating the mounting head of an embodiment.

[0010] Figure 3 This is a side view schematically illustrating the lead wire component of an embodiment.

[0011] Figure 4 This is a side view schematically illustrating the lead wire component of an embodiment.

[0012] Figure 5 This is a top view schematically illustrating the lead wire component of an embodiment.

[0013] Figure 6 This is a perspective view schematically illustrating the lighting device and detection device of the embodiment.

[0014] Figure 7 This is a perspective view of the lead wire straightening fixture according to the embodiment.

[0015] Figure 8 This is a perspective view showing a portion of the lead wire straightening fixture according to the embodiment.

[0016] Figure 9 This is a sectional perspective view showing a portion of the lead wire straightening fixture according to the embodiment.

[0017] Figure 10 This is a functional block diagram illustrating the control device used in the implementation method.

[0018] Figure 11 This is a flowchart illustrating the lead correction method of the implementation method.

[0019] Figure 12 This is a diagram schematically illustrating image data of the lead wire component in an embodiment.

[0020] Figure 13 This diagram schematically illustrates the state in which the lead wire of the lead wire component in the embodiment is inserted into the opening of the substrate.

[0021] Figure 14 This is a perspective view schematically illustrating the lead wire correction method of the implementation method.

[0022] Figure 15 This is a front view schematically illustrating the lead wire correction method of the implementation method.

[0023] Figure 16 This is a front view schematically illustrating the lead wire correction method of the implementation method.

[0024] Figure 17 This is a perspective view schematically illustrating the lead wire correction method of the implementation method.

[0025] Figure 18 This is a side view schematically illustrating the lead wire correction method of the embodiment.

[0026] Figure 19 This is a front view schematically illustrating the lead wire correction method of the implementation method.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1: Lead wire straightening fixture; 2: Inclined surface; 2A: Inclined surface; 2B: Inclined surface; 3: First straightening part; 4: Inclined surface; 4A: Inclined surface; 4B: Inclined surface; 5: Second straightening part; 6: Base part; 7: Protrusion (first protrusion); 8: Protrusion (second protrusion); 9: Base part; 10: Protrusion group; 10A: First protrusion group; 10B: Second protrusion group; 11: Protrusion; 12A: Movable part (first movable part); 12B: Movable part (First movable part); 13: Movable part (Second movable part); 14A: Elastic part (First elastic part); 14B: Elastic part (First elastic part); 15A: Guide part (First guide part); 15B: Guide part (First guide part); 16A: Guide hole; 16B: Guide hole; 17: Elastic part (Second elastic part); 18: Guide part (Second guide part); 19: Guide hole; 20: Lighting device; 2 1: Housing; 22: Light-emitting element; 23: Light-emitting element; 24: Opening; 25: Opening; 30: Detection device; 31: Optical system; 32: Image sensor; 40: Control device; 41: Drive control unit; 42: Imaging control unit; 43: Image processing unit; 44: Judgment unit; 45: Correction indicator unit; 50: Nozzle; 100: Component mounting device; 101: Base frame; 102: Feeder receiver; 103: Substrate conveying device; 106: Mounting head; 107: Mounting head moving device; 108: X-axis guide rail; 109: Y-axis guide rail; 110: X-drive device; 111: Y-drive device; 112: Nozzle moving device; 113: Z-drive device; 114: θZ-drive device; 200: Feeder; AX: Optical axis; C: Lead wire component; Cb: Body; Cl: Lead wire; P: Substrate; PK: Opening; PJa: Supply position; PJb: Mounting position; TL: Circle. Detailed Implementation

[0029] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings, but the present invention is not limited to these embodiments. The constituent elements of the embodiments described below can be appropriately combined. In addition, there are cases where some constituent elements are not used.

[0030] In this embodiment, a three-dimensional Cartesian coordinate system is established, and the positional relationships of each part are explained with reference to this system. The direction parallel to the X-axis (first axis) within the defined plane is defined as the X-axis direction (first axial direction). The direction parallel to the Y-axis (second axis) orthogonal to the X-axis within the defined plane is defined as the Y-axis direction (second axial direction). The direction parallel to the Z-axis (third axis), orthogonal to both the X-axis and Y-axis, is defined as the Z-axis direction (third axial direction). The rotation or tilt direction centered on the X-axis is defined as the θX direction. The rotation or tilt direction centered on the Y-axis is defined as the θY direction. The rotation or tilt direction centered on the Z-axis is defined as the θZ direction. The defined plane is the XY plane. The Z-axis is orthogonal to the defined plane. In this embodiment, the defined plane is parallel to the horizontal plane. The Z-axis direction is the vertical direction. One side of the Z-axis direction (one side of the third axial direction) is the lower side. The other side of the Z-axis direction (the other side of the third axial direction) is the upper side. Furthermore, the defined plane may be tilted relative to the horizontal plane.

[0031] [Component mounting device]

[0032] Figure 1 This is a perspective view of the component mounting apparatus 100 according to the embodiment. The component mounting apparatus 100 mounts the lead wire component C onto the substrate P. The component mounting apparatus 100 includes a base frame 101, a feeder receiver 102, a substrate conveying device 103, a mounting head 106, a mounting head moving device 107, a nozzle moving device 112, an illumination device 20, a detection device 30, a lead wire straightening fixture 1, and a control device 40.

[0033] The base frame 101 supports the feeder receiver 102, the substrate conveying device 103, the mounting head 106, the mounting head moving device 107, the lighting device 20, the detection device 30, and the lead wire straightening fixture 1.

[0034] The feeder receiver 102 supports the feeder 200. The feeder 200 is disposed in the feeder receiver 102. The feeder 200 supplies the lead wire component C to the supply position PJa. The supply position PJa is the position where the supply process of supplying the lead wire component C to the mounting head 106 is performed.

[0035] The substrate transport device 103 transports the substrate P to the mounting position PJb. The mounting position PJb is the position where the mounting process of the lead wire component C is performed on the substrate P.

[0036] The mounting head 106 has a nozzle 50 for holding the lead component C. The mounting head 106 mounts the lead component C held by the nozzle 50 onto the substrate P. The mounting head 106 supports the nozzle 50 so that it can move along the Z-axis and the θZ-axis, respectively.

[0037] The mounting head moving device 107 moves the mounting head 106 in the XY plane, including the supply position PJ1 and the mounting position PJ2b. The mounting head moving device 107 includes: an X-axis guide rail 108 that guides the mounting head 106 along the X-axis direction; a Y-axis guide rail 109 that guides the X-axis guide rail 108 along the Y-axis direction; an X-drive device 110 that generates power to move the mounting head 106 along the X-axis direction; and a Y-drive device 111 that generates power to move the mounting head 106 along the Y-axis direction.

[0038] [Installation Head]

[0039] Figure 2 This is a schematic diagram illustrating the mounting head 106 of an embodiment. The mounting head 106 has a suction nozzle 50 that detachably holds the lead component C. The suction nozzle 50 is an adsorption nozzle that adsorbs and holds the lead component C. Alternatively, the suction nozzle 50 may also be a gripping nozzle that clamps and holds the lead component C.

[0040] A nozzle moving device 112 is disposed on the mounting head 106. The nozzle moving device 112 moves the nozzle 50 along the Z-axis and the θZ-axis, respectively. The nozzle moving device 112 includes a Z-drive device 113 for moving the nozzle 50 along the Z-axis and an θZ-drive device 114 for moving (rotating) the nozzle 50 along the θZ-axis.

[0041] The nozzle 50 can move along four directions: the X-axis, Y-axis, Z-axis, and θZ, via the mounting head moving device 107 and the nozzle moving device 112 provided on the mounting head 106. Alternatively, the nozzle 50 can also move along six directions: the X-axis, Y-axis, Z-axis, θX, θY, and θZ.

[0042] The mounting head 106 is movable in the XY plane to position the nozzle 50 in the supply position PJ1 and the mounting position PJb, respectively. In the supply position PJ1, the nozzle 50 holds the lead component C supplied from the feeder 200. After the lead component C is held by the nozzle 50, the mounting head 106 moves to the mounting position PJb. In the mounting position PJb, the nozzle 50 mounts the lead component C onto the substrate P.

[0043] [part]

[0044] Figure 3 as well as Figure 4 These are side views schematically illustrating the implementation of the lead wire component C. Figure 5 This is a top view schematically showing the lead wire component C of the embodiment. Figure 3 This is a diagram showing the lead component C as viewed from the -Y side. Figure 4 This is a diagram showing the lead component C as viewed from the -X side. Figure 5 This is a diagram showing the lead component C as viewed from the -Z side.

[0045] Lead component C is a plug-in type electronic component. For example... Figure 3 , Figure 4 as well as Figure 5 As shown, the lead component C has a body Cb and multiple leads Cl protruding from the body Cb.

[0046] The main body Cb includes a housing component made of synthetic resin. A coil, for example, is disposed within the internal space of the main body Cb. A lead Cl is a metallic protrusion. The lead Cl is connected, for example, to the coil disposed within the internal space of the main body Cb. The lead Cl protrudes downwards from the lower surface of the main body Cb.

[0047] Multiple leads Cl are arranged in a matrix on the lower surface of the main body Cb. At least two leads Cl are arranged in the X-axis direction and at least two in the Y-axis direction. In one embodiment, two leads Cl are arranged in the X-axis direction and five in the Y-axis direction. That is, ten leads Cl are provided on the main body Cb. Furthermore, the number of leads Cl arranged in the X-axis direction may not be two; it can be any number of three or more. The number of leads Cl arranged in the Y-axis direction may not be five; it can be any number of two to four, or six or more.

[0048] The nozzle 50 holds the main body Cb. In this embodiment, the nozzle 50 adheres to the upper surface of the main body Cb. The mounting head 106, with the main body Cb held by the nozzle 50, inserts the lead wire C1 of the lead wire component C into an opening provided on the surface of the substrate P. The lead wire component C is mounted to the substrate P by inserting the lead wire C1 into the opening of the substrate P.

[0049] [Lighting devices and detection devices]

[0050] Figure 6 This is a perspective view schematically showing the lighting device 20 and the detection device 30 of the embodiment.

[0051] The illumination device 20 illuminates the lead wire component C held by the suction nozzle 50 with illumination light. The illumination device 20 is positioned above the detection device 30. The illumination device 20 illuminates the lead wire component C from below. The illumination device 20 has a housing 21, a light-emitting element 22 disposed on the upper part of the housing 21, and a light-emitting element 23 disposed on the lower part of the housing 21.

[0052] In the XY plane, the housing 21 has a square shape. An opening 24 is provided at the top of the housing 21. An opening 25 is provided at the bottom of the housing 21. Multiple light-emitting elements 22 are arranged at the top of the housing 21, surrounding the opening 24. Multiple light-emitting elements 23 are arranged at the bottom of the housing 21, surrounding the opening 25. Both the light-emitting elements 22 and 23 emit illumination light. The lead wire component C, held by the nozzle 50, is illuminated by the illumination light emitted from at least one of the light-emitting elements 22 and 23.

[0053] The detection device 30 detects the position of the lead wire C while the lead wire component C is held by the suction nozzle 50. The detection device 30 detects the position of the leading end (lower end) of the lead wire C in the XY plane. By detecting the position of the lead wire C in the XY plane, the detection device 30 detects the spacing between adjacent pairs of leads C in the XY plane. The detection device 30 detects the spacing between the leads C while the lead wire component C is held by the suction nozzle 50. The detection device 30 detects the spacing in the X-axis direction of adjacent pairs of leads C. The detection device 30 detects the spacing in the Y-axis direction of adjacent pairs of leads C.

[0054] In this embodiment, the detection device 30 is an imaging device. The detection device 30 includes an optical system 31 and an image sensor 32 that receives light passing through the optical system 31. The optical axis AX of the optical system 31 is parallel to the Z-axis. The image sensor 32 includes a CCD (Coupled Charged Device) image sensor or a CMOS (Complementary Metal-Oxide Semiconductor) image sensor. The detection device 30 captures images of the lead component C to obtain image data of the lead component C.

[0055] The detection device 30 is supported on the base frame 101. The detection device 30 is positioned below the housing 21. The detection device 30 captures images of the lead wire component C held by the suction nozzle 50 and illuminated by the illumination device 20 from below.

[0056] When the detection device 30 photographs the lead component C, the control device 40 controls the Z-drive device 113 to move the lead component C, held by the suction nozzle 50, into the interior space of the housing 21 through the opening 24. The control device 40 controls the illumination device 20 to emit illumination light from at least one of the light-emitting elements 22 and 23. Thus, the lead component C disposed in the interior space of the housing 21 is illuminated by the illumination light. The detection device 30 photographs the lead component C, held by the suction nozzle 50 and illuminated by the illumination device 20, from below through the opening 25.

[0057] [Wire straightening clamp]

[0058] Figure 7 This is a perspective view of the lead wire straightening fixture 1 according to the embodiment. The lead wire straightening fixture 1 straightens the position of the lead wire Cl of the lead wire component C. The lead wire straightening fixture 1 straightens the position of the front end of the lead wire Cl in the XY plane. The lead wire straightening fixture 1 straightens the spacing between the front ends of an adjacent pair of leads Cl. The lead wire straightening fixture 1 straightens the spacing in the X-axis direction of an adjacent pair of leads Cl. The lead wire straightening fixture 1 straightens the spacing in the Y-axis direction of an adjacent pair of leads Cl.

[0059] The lead wire straightening fixture 1 includes: a first straightening part 3 having a plurality of inclined surfaces 2 arranged along the X-axis direction; and a second straightening part 5 having a plurality of inclined surfaces 4 arranged along the Y-axis direction.

[0060] The first correction unit 3 corrects the spacing of the lead wires Cl in the X-axis direction by pressing the lead wires Cl of the lead wire component C onto the inclined surface 2. The second correction unit 5 corrects the spacing of the lead wires Cl in the Y-axis direction by pressing the lead wires Cl of the lead wire component C onto the inclined surface 4.

[0061] The first corrective part 3 includes a base part 6, a pair of protrusions 7 (first protrusions) arranged along the X-axis direction on the upper surface of the base part 6, and a pair of protrusions 8 (second protrusions) arranged along the X-axis direction on the upper surface of the base part 6. The protrusions 7 and 8 protrude upwards from the upper surface of the base part 6. In this embodiment, the pair of protrusions 7 are positioned closer to the -X side than the pair of protrusions 8.

[0062] The second correction part 5 includes a base part 9 and a protrusion group 10 disposed on the upper surface of the base part 6. The protrusion group 10 has a plurality of protrusions 11 disposed along the Y-axis direction. A pair of protrusion groups 10 are disposed along the X-axis direction. In an embodiment, the protrusion group 10 includes a first protrusion group 10A and a second protrusion group 10B disposed on the +X side of the first protrusion group 10A.

[0063] Additionally, the lead wire straightening clamp 1 includes: a movable member 12A (first movable member), at least a portion of which is disposed between a pair of protrusions 7; a movable member 12B (first movable member), at least a portion of which is disposed between a pair of protrusions 8; and a movable member 13 (second movable member), at least a portion of which is disposed between a pair of protrusion groups 10.

[0064] Figure 8 This is a perspective view showing a portion of the lead wire straightening fixture 1 according to the embodiment. Figure 9 This is a cross-sectional perspective view showing a portion of the lead wire straightening fixture 1 according to the embodiment. Figure 8 Equivalent to from Figure 7The diagram shown is of the wire straightening fixture 1 after removing movable parts 12A, 12B and 13. Figure 9 Equivalent to Figure 8 A partially enlarged sectional perspective view.

[0065] The first correction part 3 has a plurality of inclined surfaces 2 arranged along the X-axis direction. At least one pair of inclined surfaces 2 of the first correction part 3 are arranged along the X-axis direction so that they can be pressed simultaneously by a pair of leads C1 arranged along the X-axis direction.

[0066] In the embodiment, the inclined surface 2 of the first correction part 3 includes a first set of inclined surfaces 2A that approach downwards and a second set of inclined surfaces 2B that separate downwards.

[0067] The first correction part 3 includes a pair of protrusions 7 (first protrusions) arranged along the X-axis direction, and a pair of protrusions 8 (second protrusions) arranged along the X-axis direction.

[0068] The first set of inclined surfaces 2A includes the inner surface of each of a pair of protrusions 7. Each protrusion 7 has a side facing the +X side and a side facing the -X side. The inner surface of a protrusion 7 refers to the opposing sides of the pair of protrusions 7. That is, the inner surface of a protrusion 7 refers to the inner surface of the recess formed between the pair of protrusions 7.

[0069] The second set of inclined surfaces 2B includes the outer side surfaces of a pair of protrusions 8. Each protrusion 8 has a side surface facing the +X side and a side surface facing the -X side. The outer side surface of a protrusion 8 refers to the non-opposing side surfaces of the pair of protrusions 8. That is, the outer side surface of a protrusion 8 is the outer surface that does not face the recess formed between the pair of protrusions 8.

[0070] The inclined surfaces 2 (2A, 2B) of the first correction part 3 extend along the Y-axis direction so that they can be pressed simultaneously by a plurality of leads C1 arranged along the Y-axis direction.

[0071] For reference Figure 3 , Figure 4 as well as Figure 5 As explained, in this embodiment, five leads Cl are arranged along the Y-axis. The inclined surfaces 2 (2A, 2B) of the first correction section 3 extend along the Y-axis so that they can be simultaneously pressed by the five leads Cl arranged along the Y-axis. That is, the length of the inclined surfaces 2 (2A, 2B) in the Y-axis direction is longer than the distance between the lead Cl arranged closest to the +Y side and the lead Cl arranged closest to the -Y side among the five leads Cl. The five leads Cl arranged along the Y-axis can simultaneously face one inclined surface 2.

[0072] The second correction part 5 has a plurality of inclined surfaces 4 arranged along the X-axis direction. At least three inclined surfaces 4 of the second correction part 5 are arranged along the Y-axis direction so that they can be pressed simultaneously by a plurality of leads C1 arranged along the Y-axis direction.

[0073] In the embodiment, the inclined surface 4 of the second correction part 5 includes a third set of inclined surfaces 4A that approach the downward side and a fourth set of inclined surfaces 4B that separate towards the downward side.

[0074] The third set of inclined surfaces 4A and the fourth set of inclined surfaces 4B are arranged along the Y-axis.

[0075] At least one of the third group of inclined surfaces 4A and the fourth group of inclined surfaces 4B is arranged in multiples along the Y-axis direction. In this embodiment, both the third group of inclined surfaces 4A and the fourth group of inclined surfaces 4B are arranged in multiples along the Y-axis direction. The third group of inclined surfaces 4A has four (4 groups) arranged along the Y-axis direction. The fourth group of inclined surfaces 4B has three (3 groups) arranged along the Y-axis direction.

[0076] The second correction part 5 includes a protrusion group 10 having a plurality of protrusions 11 arranged along the Y-axis direction.

[0077] One of the two inclined surfaces 4A in the third group includes one side surface of a protrusion 11 (the side surface on the +Y side). The other inclined surface 4B in the third group includes the other side surface of a protrusion 11 (the side surface on the -Y side).

[0078] The third set of inclined surfaces 4A includes the inner side surfaces of a pair of opposing protrusions 11. Each protrusion 11 has a side surface facing the +Y side and a side surface facing the -Y side. The inner side surface of a protrusion 11 refers to the opposing side surfaces of the pair of protrusions 11. That is, the inner side surface of a protrusion 11 refers to the inner surface of the recess formed between the pair of protrusions 11.

[0079] The fourth set of inclined surfaces 4B includes the outer side surfaces on both sides of a protrusion 11. As described above, the protrusion 11 has a side surface facing the +Y side and a side surface facing the -Y side. The outer side surface of the protrusion 11 refers to the side surfaces on the two sides of the protrusion 11 that are not opposite to each other.

[0080] In this way, the side of the protrusion 11 functions as the third group of inclined surfaces 4A and as the fourth group of inclined surfaces 4B.

[0081] The convex assembly 10 has a pair arranged along the X-axis so that it can be pressed simultaneously by a pair of leads Cl arranged along the X-axis.

[0082] For reference Figure 3 , Figure 4 as well as Figure 5As explained, in this embodiment, two leads Cl are arranged along the X-axis. Two protrusion groups 10 of the second correction part 5 are arranged along the X-axis so that they can be simultaneously pressed by the two leads Cl arranged along the X-axis. In this embodiment, the protrusion group 10 includes a first protrusion group 10A and a second protrusion group 10B disposed on the +X side of the first protrusion group 10A. With the +X side lead Cl of the two leads Cl arranged along the X-axis facing the first protrusion group 10A, the -X side lead Cl can face the second protrusion group 10B.

[0083] At least a portion of the movable member 12A (first movable member) is disposed between a pair of inclined surfaces 2A. In an embodiment, the lead wire straightening clamp 1 includes: an elastic member 14A (first elastic member) that generates an elastic force that moves the movable member 12A upward; and a guide member 15A (first guide member) that guides the movable member 12A along the Z-axis direction.

[0084] The movable member 12A is longer in the Y-axis direction. The movable member 12A is capable of moving vertically between a pair of protrusions 7. The +Y side end of the movable member 12A is positioned closer to the +Y side than the protrusions 7. The -Y side end of the movable member 12A is positioned closer to the -Y side than the protrusions 7.

[0085] The elastic member 14A supports the positive end and the negative end of the movable member 12A respectively. The elastic member 14A generates a spring force to move the movable member 12A upward between a pair of protrusions 7.

[0086] Guide members 15A are respectively disposed at positions closer to the +Y side and -Y side than the protrusion 7. Guide members 15A have guide holes 16A, in which at least a portion of the movable member 12A is disposed. The guide hole 16A is longer in the vertical direction. The movable member 12A is guided by the guide hole 16A in the vertical direction.

[0087] At least a portion of the movable member 12B (first movable member) is disposed between a pair of inclined surfaces 2B. In an embodiment, the lead wire straightening clamp 1 includes: an elastic member 14B (first elastic member) that generates an elastic force that moves the movable member 12B upward; and a guide member 15B (first guide member) that guides the movable member 12B along the Z-axis direction.

[0088] The movable member 12B is longer in the Y-axis direction. The movable member 12B is capable of moving vertically between a pair of protrusions 8. The +Y side end of the movable member 12B is positioned closer to the +Y side than the protrusions 8. The -Y side end of the movable member 12B is positioned closer to the -Y side than the protrusions 8.

[0089] The elastic member 14B supports the positive end and the negative end of the movable member 12B, respectively. The elastic member 14B generates a spring force, causing the movable member 12B to move upward between a pair of protrusions 8.

[0090] Guide members 15B are respectively disposed at positions closer to the +Y side and -Y side than the protrusion 8. Guide members 15B have guide holes 16B, in which at least a portion of the movable member 12B is disposed. The guide hole 16B is longer in the vertical direction. The movable member 12B is guided by the guide hole 16B in the vertical direction.

[0091] At least a portion of the movable member 13 (the second movable member) is disposed between a pair of protrusion groups 10. In an embodiment, the lead wire straightening clamp 1 includes: an elastic member 17 (the second elastic member) that generates a spring force that moves the movable member 13 upward; and a guide member 18 (the second guide member) that guides the movable member 13 along the Z-axis direction.

[0092] The movable member 13 is longer in the Y-axis direction. The movable member 13 is capable of moving vertically between a pair of protrusion groups 10. The +Y side end of the movable member 13 is positioned closer to the +Y side than the protrusion group 10. The -Y side end of the movable member 13 is positioned closer to the -Y side than the protrusion group 10.

[0093] The elastic member 17 supports the +Y side end and the -Y side end of the movable member 13, respectively. The elastic member 17 generates a spring force to move the movable member 13 upward between the pair of protrusions 10.

[0094] Guide members 18 are respectively disposed at positions closer to the +Y side and the -Y side than the protrusion assembly 10. Each guide member 18 has a guide hole 19 in which at least a portion of the movable member 13 is disposed. The guide hole 19 is longer in the vertical direction. The movable member 13 is guided by the guide hole 19 in the vertical direction.

[0095] [Control Device]

[0096] Figure 10 This is a functional block diagram illustrating the control device 40 in the embodiment. The control device 40 includes a computer system. The control device 40 has: an arithmetic processing unit, including a processor such as a CPU (Central Processing Unit); a storage unit, including volatile memory such as RAM (Random Access Memory) and non-volatile memory such as ROM (Read Only Memory); and an input / output interface.

[0097] The substrate conveying device 103, the mounting head moving device 107, the suction nozzle moving device 112, the lighting device 20, and the detection device 30 are respectively connected to the control device 40. The substrate conveying device 103, the mounting head moving device 107, the suction nozzle moving device 112, the lighting device 20, and the detection device 30 are respectively controlled by the control device 40.

[0098] The control device 40 includes a drive control unit 41, a shooting control unit 42, an image processing unit 43, a judgment unit 44, and a correction instruction unit 45.

[0099] The drive control unit 41 outputs control commands to the control board conveying device 103. The drive control unit 41 outputs control commands to the control mounting head moving device 107. The drive control unit 41 outputs control commands to the control nozzle moving device 112.

[0100] The imaging control unit 42 outputs control commands to control the lighting device 20. The imaging control unit 42 also outputs control commands to control the detection device 30. The imaging control unit 42 outputs control commands to both the lighting device 20 and the detection device 30 so that the lead wire component C, held by the nozzle 50, is illuminated by the lighting device 20, and is then photographed by the detection device 30.

[0101] The image processing unit 43 calculates the position of each of the multiple leads Cl based on the image data of the leads Cl acquired by the detection device 30. Furthermore, the image processing unit 43 calculates the spacing between adjacent pairs of leads Cl based on their positions.

[0102] The determination unit 44 determines whether the position of the lead line Cl, calculated by the image processing unit 43, is within the allowable range relative to the target position. Furthermore, the determination unit 44 determines, based on the position of the lead line Cl, whether the spacing of the lead line Cl is within the allowable range relative to the target spacing.

[0103] When the correction instruction unit 45 determines that the spacing of the lead wires C1 is not within the allowable range, it outputs a correction instruction so as to correct the spacing of the lead wires C1 by means of the lead wire correction fixture 1.

[0104] That is, the correction instruction unit 45 outputs a correction instruction based on the detection data of the detection device 30 in order to correct the spacing of the leads C1 by the lead wire correction fixture 1, so as to press the leads C1 of the lead wire member C held by the suction nozzle 50 against at least one of the first correction unit 3 and the second correction unit 5. The correction instruction unit 45 controls the amount of movement of the suction nozzle 50 in the Z-axis direction when the lead wire member C is pressed against at least one of the first correction unit 3 and the second correction unit 5 based on the detection data of the detection device 30.

[0105] After pressing the lead C1 of the lead component C onto at least one of the first straightening part 3 and the second straightening part 5, the drive control part 41 controls the mounting head 106 to mount the lead component C onto the substrate P.

[0106] [Correction Methods]

[0107] Figure 11 This is a flowchart illustrating the correction method for lead wire C1 according to the embodiment. The drive control unit 41 moves the mounting head 106 towards the supply position PJa. At the supply position PJa, the drive control unit 41 holds the lead wire component C through the suction nozzle 50 (step S1).

[0108] The drive control unit 41 moves the suction nozzle 50 towards the upper side of the detection device 30. The image capture control unit 42 captures an image of the lead wire component C held by the suction nozzle 50 via the detection device 30 (step S2).

[0109] The image processing unit 43 acquires image data of the lead component C from the detection device 30. The image processing unit 43 calculates the positions of the multiple leads C1 in the XY plane (step S3).

[0110] The determination unit 44 determines whether the positions of the multiple leads C1 are within the allowable range (step S4).

[0111] Figure 12 This is a diagram schematically illustrating image data of the lead component C in an embodiment. (e.g.) Figure 12 As shown, a circle TL is defined to indicate the allowable range of the position of lead Cl. The center of the circle TL indicates the target position of lead Cl. When the leading end of lead Cl is positioned inside the circle TL, the determination unit 44 determines that the positions of each of the multiple leads Cl relative to the target position are within the allowable range. Figure 12 In the example shown, the position of lead Clx along the X-axis is outside the allowed range. Additionally, the position of lead Cly along the Y-axis is outside the allowed range.

[0112] If it is determined in step S4 that the position of lead C1 is within the allowable range (step S4: "Yes"), the drive control unit 41 moves the mounting head 106 to mount the lead component C held by the nozzle 50 onto the substrate P (step S5).

[0113] Figure 13 This diagram schematically illustrates the state in which the lead wire C of the lead member C in the embodiment is inserted into the opening PK of the substrate P. The lead wire C is inserted into the opening PK of the substrate P by moving the suction nozzle 50, which holds the main body Cb, downwards while moving in the XY plane. After the lead wire C is inserted into the opening PK of the substrate P, the suction nozzle 50 is released from holding the lead member C. Thus, the lead member C is mounted on the substrate P.

[0114] If it is determined in step S4 that the position of lead Cl is not within the allowable range (step S4: "No"), the correction instruction unit 45 outputs a correction instruction so as to correct lead Cl by lead correction fixture 1 (step S6).

[0115] The drive control unit 41 moves the mounting head 106 based on the correction instruction so that the lead wire component C held by the suction nozzle 50 is positioned above the lead wire correction fixture 1.

[0116] Based on the position of the lead Cl which is outside the allowable range, the correction instruction 45 determines the inclined surface (2A, 2B, 4) of the multiple inclined surfaces (2A, 2B, 4) of the lead straightening fixture 1 for the correction of the lead Cl (step S7).

[0117] For example, when the spacing of the lead wires Cl in the X-axis direction needs to be narrowed, the correction indicator 45 decides to use the inclined surface 2A of the first correction unit 3. When the spacing of the lead wires Cl in the X-axis direction needs to be widened, the correction indicator 45 decides to use the inclined surface 2B of the first correction unit 3. When the spacing of the lead wires Cl in the Y-axis direction needs to be adjusted, the correction indicator 45 decides to use the inclined surface 4 of the second correction unit 5.

[0118] The correction indicator 45 determines the amount of pressure when the lead wire C1 is pressed against the inclined surface (step S8).

[0119] The pressing amount is the amount of movement (descent) of the nozzle 50 holding the lead wire component C in the Z-axis direction. The pressing amount is preset according to each inclined surface (2A, 2B, 4) to be used. The pressing amount can also be set for each lead wire component C.

[0120] Furthermore, the correction instruction unit 45 can also determine the pressing amount when pressing the lead wire Cl onto the inclined surface based on the deviation between the position of the lead wire Cl, which is outside the allowable range, and the target position. When the deviation between the position of the lead wire Cl and the target position calculated by the image processing unit 43 is large, the pressing amount can be set to a large value. When the deviation between the position of the lead wire Cl and the target position calculated by the image processing unit 43 is small, the pressing amount can be set to a small value.

[0121] The drive control unit 41 begins the correction process of pressing the lead wire C1 onto the inclined surface (step S9).

[0122] The correction process includes a process of lowering the nozzle 50, which holds the lead wire component C, while the front end of the lead wire C is in contact with the inclined surface.

[0123] Figure 14 This is a perspective view schematically illustrating the correction method for lead wire C1 in an embodiment. Figure 15This is a front view schematically illustrating the correction method for lead C1 in an embodiment. Figure 14 as well as Figure 15 This indicates the action of narrowing the spacing of the lead Cl along the X-axis.

[0124] like Figure 14 as well as Figure 15 As shown, when the spacing of the leads Cl in the X-axis direction is to be narrowed, a pair of inclined surfaces 2A of the first straightening unit 3 are used. The drive control unit 41 lowers the suction nozzle 50 holding the lead member C while the front ends of the pair of leads Cl are in contact with the pair of inclined surfaces 2A. The drive control unit 41 lowers the suction nozzle 50 by the amount of pressure determined in step S8. With the front ends of the pair of leads Cl in contact with the pair of inclined surfaces 2A, the suction nozzle 50 holding the lead member C is lowered, thereby narrowing the spacing of the leads Cl in the X-axis direction.

[0125] like Figure 15 As shown, the lead wire component C descends with the lower surface of the main body Cb in contact with the upper surface of the movable component 12A. The movable component 12A is supported by the elastic component 14A. Therefore, when the lead wire component C descends, the elastic component 14A is compressed, and the movable component 12A descends together with the lead wire component C.

[0126] After the lead wire component C descends and the spacing of the leads Cl is narrowed, the drive control unit 41 causes the suction nozzle 50, which holds the lead wire component C, to rise. The movable component 12A is supported by the elastic component 14A. Therefore, when the lead wire component C rises, the movable component 12A rises due to the elastic force of the elastic component 14A.

[0127] When the suction nozzle 50 is raised, at least a portion of the lead wire C1 may become caught on the inclined surface 2A. If this occurs, the lead wire component C may not be able to rise smoothly. In this embodiment, when the suction nozzle 50 rises, the movable member 12A rises due to the elastic force of the elastic member 14A, thereby lifting the lead wire component C. Thus, even if at least a portion of the lead wire C1 becomes caught on the inclined surface 2A, the lead wire component C can still rise smoothly due to the elastic force of the elastic member 14A.

[0128] Figure 16 This is a front view schematically illustrating the correction method for lead C1 in an embodiment. Figure 16 This indicates the action taken to widen the spacing of lead Cl in the X-axis direction.

[0129] like Figure 16As shown, when widening the spacing of the leads Cl in the X-axis direction, a pair of inclined surfaces 2B of the first straightening unit 3 are used. The drive control unit 41 lowers the suction nozzle 50 holding the lead member C while the front ends of the pair of leads Cl are in contact with the pair of inclined surfaces 2B. The drive control unit 41 lowers the suction nozzle 50 by the amount of pressure determined in step S8. By lowering the suction nozzle 50 holding the lead member C with the front ends of the pair of leads Cl in contact with the pair of inclined surfaces 2B, the spacing of the leads Cl in the X-axis direction is widened.

[0130] like Figure 16 As shown, the lead wire component C descends with the lower surface of the main body Cb in contact with the upper surface of the movable component 12B. The movable component 12B is supported by the elastic component 14B. Therefore, when the lead wire component C descends, the elastic component 14B is compressed, and the movable component 12B descends together with the lead wire component C.

[0131] After the lead wire component C descends and the spacing of the leads Cl is widened, the drive control unit 41 causes the suction nozzle 50, which holds the lead wire component C, to rise. The movable component 12B is supported by the elastic component 14B. Therefore, when the lead wire component C rises, the movable component 12B rises due to the elastic force of the elastic component 14B.

[0132] When the suction nozzle 50 is raised, at least a portion of the lead wire C may become caught on the inclined surface 2B. In this embodiment, when the suction nozzle 50 rises, the movable member 12B rises due to the elastic force of the elastic member 14B, thereby lifting the lead wire member C. Thus, even if at least a portion of the lead wire C becomes caught on the inclined surface 2B, the lead wire member C can still rise smoothly due to the elastic force of the elastic member 14B.

[0133] Figure 17 This is a perspective view schematically illustrating the correction method for lead wire C1 in an embodiment. Figure 18 This is a side view schematically illustrating the correction method for lead C1 in an embodiment. Figure 19 This is a front view schematically illustrating the correction method for lead C1 in an embodiment. Figure 17 , Figure 18 as well as Figure 19 This indicates the action taken to correct the spacing of the lead Cl along the Y-axis.

[0134] like Figure 17 , Figure 18 as well as Figure 19As shown, when correcting the spacing of the leads Cl in the Y-axis direction, the inclined surfaces 4 (4A, 4B) of the second correction unit 5 are used. The drive control unit 41 lowers the suction nozzle 50 holding the lead member C while the leading ends of the plurality of leads Cl disposed on the -X side are in contact with the inclined surfaces 4 (4A, 4B) of the first protrusion group 10A, and the leading ends of the plurality of leads Cl disposed on the +X side are in contact with the inclined surfaces 4 (4A, 4B) of the second protrusion group 10B. The drive control unit 41 lowers the suction nozzle 50 by the pressure determined in step S8. By lowering the suction nozzle 50 holding the lead member C in a state where the leading ends of the plurality of leads Cl are in contact with the plurality of inclined surfaces 4 (4A, 4B), the spacing of the leads Cl in the Y-axis direction is corrected.

[0135] For example, by lowering the lead component C with a pair of leads Cl in contact with a pair of inclined surfaces 4A, the spacing between the pair of leads Cl in the Y-axis direction is narrowed. By lowering the lead component C with a pair of leads Cl in contact with a pair of inclined surfaces 4B, the spacing between the pair of leads Cl in the Y-axis direction is widened.

[0136] like Figure 19 As shown, the lead wire component C descends with the lower surface of the main body Cb in contact with the upper surface of the movable component 13. The movable component 13 is supported by the elastic component 17. Therefore, when the lead wire component C descends, the elastic component 17 is compressed, and the movable component 13 descends together with the lead wire component C.

[0137] After the lead wire component C descends and the spacing of the lead wire C1 in the Y-axis direction is corrected, the drive control unit 41 causes the suction nozzle 50, which holds the lead wire component C, to rise. The movable member 13 is supported by the elastic member 17. Therefore, when the lead wire component C rises, the movable member 13 rises due to the elastic force of the elastic member 17.

[0138] When the suction nozzle 50 is raised, at least a portion of the lead wire C may become caught on the inclined surfaces 4 (4A, 4B). In this embodiment, when the suction nozzle 50 is raised, the movable member 13 rises by the elastic force of the elastic member 17 to lift the lead wire member C. Thus, even if at least a portion of the lead wire C becomes caught on the inclined surfaces 4 (4A, 4B), the lead wire member C can still rise smoothly by the elastic force of the elastic member 17.

[0139] In this embodiment, one lead component C is pressed against the inclined surface 4 twice. As described above, by lowering the lead component C with a pair of leads Cl in contact with a pair of inclined surfaces 4A, the spacing between the pair of leads Cl in the Y-axis direction is narrowed. By lowering the lead component C with a pair of leads Cl in contact with a pair of inclined surfaces 4B, the spacing between the pair of leads Cl in the Y-axis direction is widened. Therefore, after the first pressing action, the lead component C rises, offsetting the spacing between the leads Cl in the Y-axis direction by the amount, and then the second pressing action is performed.

[0140] After the correction process is completed, the correction instruction unit 45 takes a picture of the lead wire component C by the detection device 30 in order to confirm whether the correction of the lead wire C1 has been performed accurately (step S10).

[0141] The image processing unit 43 calculates the position of lead C1 based on the image data obtained in step S10 (step S11).

[0142] The determination unit 44 determines whether the position of lead Cl is within the allowable range. That is, the determination unit 44 determines whether the correction of lead Cl has been performed accurately (step S12).

[0143] If it is determined in step S12 that the position of lead C is within the allowable range (step S12: "Yes"), the installation process of lead component C is performed (step S5).

[0144] If it is determined in step S12 that the position of lead C1 is not within the allowable range (step S12: "No"), the determination unit 44 determines whether to retry the correction process (step S13).

[0145] If it is determined in step S13 that a retry is required to perform the correction process (step S13: "Yes"), the process of step S12 is performed starting from step S6.

[0146] In this implementation, the number of retries for the correction process is predetermined. For example, if the number of retries is 3, the process from step S6 to step S12 is repeated within the range of the number of retries until it is determined in step S12 that the position of lead C1 is within the allowable range.

[0147] Even if the number of retries exceeds 3, if it is not determined in step S12 that the position of lead C1 is within the allowable range (step S12: "No"), it is determined in step S13 that no correction process will be performed (step S13: "No").

[0148] The position of the discarded lead C1 was not corrected to the lead component C within the allowable range (step S14).

[0149] [Effect]

[0150] As explained above, according to the embodiment, the lead straightening fixture 1 includes a first straightening section 3 for straightening the spacing of the leads Cl in the X-axis direction and a second straightening section 5 for straightening the spacing of the leads Cl in the Y-axis direction. Therefore, even when the leads Cl are arranged in a matrix on the lead member C, the spacing of the leads Cl in both the X-axis and Y-axis directions can be straightened. In the embodiment, two leads Cl are arranged along the X-axis direction and five along the Y-axis direction. That is, in the embodiment, the lead member C is a so-called two-column multi-row lead type. When the two-column multi-row lead type lead member C is mounted on the substrate P, the spacing of the leads Cl in both the X-axis and Y-axis directions can be appropriately straightened by the lead straightening fixture 1.

Claims

1. A lead wire straightening clamp, characterized in that, have: The first straightening section has a plurality of inclined surfaces arranged along the first axis, and the spacing of the leads along the first axis is straightened by pressing the leads of the lead member onto the first straightening section. The second straightening section has a plurality of inclined surfaces arranged along the second axis, and the spacing of the leads along the second axis is straightened by pressing the leads of the lead member against the second straightening section. The inclined surfaces of the first corrective part are arranged in at least one pair along the first axial direction, so as to be simultaneously pressed by a pair of leads arranged along the first axial direction. The inclined surfaces of the first correction part include a first set of inclined surfaces that approach one side of the third axis and a second set of inclined surfaces that separate from one side of the third axis.

2. The lead wire straightening clamp according to claim 1, characterized in that, The first corrective part includes a pair of first protrusions arranged along the first axial direction and a pair of second protrusions arranged along the first axial direction. The first set of inclined surfaces includes the inner surface of each of the pair of first protrusions. The second set of inclined surfaces includes the outer surface of each of the pair of second protrusions.

3. The lead wire straightening clamp according to claim 1 or 2, characterized in that, The lead wire straightening fixture includes: The first movable member is at least partially disposed between a pair of inclined surfaces of the first corrective part and / or the second corrective part; and The first elastic member generates an elastic force that causes the first movable member to move to the other side of the third axis.

4. The lead wire straightening clamp according to claim 3, characterized in that, The lead wire straightening fixture includes a first guide member that guides the first movable member along a third axis.

5. The lead wire straightening clamp according to claim 1 or 2, characterized in that, The inclined surface of the first correction part extends along the second axis so that it can be pressed simultaneously by a plurality of leads arranged along the second axis.

6. The lead wire straightening clamp according to claim 1 or 2, characterized in that, The second corrective part has at least three inclined surfaces arranged along the second axis so that they can be pressed simultaneously by a plurality of leads arranged along the second axis.

7. The lead wire straightening clamp according to claim 6, characterized in that, The inclined surfaces of the second correction part include a third set of inclined surfaces that approach one side of the third axis and a fourth set of inclined surfaces that separate from one side of the third axis.

8. The lead wire straightening clamp according to claim 7, characterized in that, The third set of inclined surfaces and the fourth set of inclined surfaces are arranged along the second axis.

9. The lead wire straightening clamp according to claim 8, characterized in that, At least one of the third group of inclined surfaces and the fourth group of inclined surfaces is arranged in a plurality along the second axis.

10. The lead wire straightening clamp according to claim 7, characterized in that, The second corrective part includes a group of protrusions having a plurality of protrusions arranged along the second axial direction. The third set of inclined surfaces includes the inner surfaces of a pair of protrusions that are opposite each other. The fourth set of inclined surfaces includes the outer surfaces on both sides of a protrusion.

11. The lead wire straightening clamp according to claim 10, characterized in that, The protrusion group is arranged in a pair along the first axial direction so that it can be pressed simultaneously by a pair of leads arranged along the first axial direction.

12. The lead wire straightening clamp according to claim 11, characterized in that, The lead wire straightening fixture includes: The second movable member, at least a portion of which is disposed between the pair of said protrusion groups; and The second elastic component generates an elastic force that causes the second movable component to move to the other side of the third axis.

13. The lead wire straightening clamp according to claim 12, characterized in that, The lead wire straightening fixture includes a second guide member that guides the second movable member along a third axis.

14. A component mounting device, characterized in that, have: The lead wire straightening clamp according to any one of claims 1 to 13; The mounting head has a suction nozzle for holding the lead wire component; The detection device detects the spacing of the leads while the lead component is held in the nozzle. The control device, based on the detection data from the detection device, presses the lead wire of the lead wire component held by the suction nozzle against at least one of the first correction part and the second correction part, and then mounts the lead wire component onto the substrate.

15. The component mounting device according to claim 14, characterized in that, The control device controls the amount of movement of the suction nozzle when the lead wire component is pressed against at least one of the first correction part and the second correction part, based on the detection data of the detection device.

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