CN111824746B - Component supply device, component mounting device, and component supply method - Google Patents
Component supply device, component mounting device, and component supply method Download PDFInfo
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- CN111824746B CN111824746B CN202010272627.8A CN202010272627A CN111824746B CN 111824746 B CN111824746 B CN 111824746B CN 202010272627 A CN202010272627 A CN 202010272627A CN 111824746 B CN111824746 B CN 111824746B
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- component
- lead
- support member
- sides
- component supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
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- Mechanical Engineering (AREA)
- Supply And Installment Of Electrical Components (AREA)
Abstract
The invention provides a component supply device, a component mounting device and a component supply method capable of reducing the cost of component mounting. The component supply device is provided with: a support member that supports a component up to a component supply position, the component having a main body and a plurality of leads extending downward from the main body, and the component being supported with the leads positioned on both sides; a conveying member for conveying the component to the component supply position in a state that the component is supported by the supporting member; and a correction member that forms a space through which a lead of the component to be conveyed passes at a position on an upstream side in a conveying direction of the component from the component supply position, and corrects an extending direction of the lead, the correction member including a lead correction portion that corrects the leads positioned on both sides of the support member in a direction in which the leads approach each other as they move toward a downstream side in the conveying direction of the component.
Description
Technical Field
The invention relates to a component supply device, a component mounting device and a component supply method.
Background
Conventionally, as a component supply device, a component supply device is known which feeds out components from a box-shaped component housing called a stick (stick) and continuously supplies the components to a component pickup position of an assembly head (for example, see patent document 1).
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open publication No. 2-271699
Disclosure of Invention
Problems to be solved by the invention
In the component supplied by the component supply device, the pitch between the leads extending from the component may be wider than the pitch of the insertion holes provided in the substrate. In this case, the spacing between the leads is narrowed by correcting the orientation of the leads so that the leads can be inserted into the insertion holes. As a method of correcting the lead, for example, a driving device for correcting the lead may be separately provided, or the lead may be corrected when the component is mounted on a chuck holding member of the substrate.
However, in the above-described method for straightening a lead wire, a driving device for straightening a lead wire and a chuck corresponding to a component are used, and thus the cost of component mounting may increase.
Accordingly, an object of the present invention is to solve the above conventional problems and to provide a component supply device, a component mounting device, and a component supply method that can reduce the cost of component mounting.
Means for solving the problems
The component supply device of the present invention includes: a support member that supports a component up to a component supply position, the component having a main body and a plurality of leads extending downward from the main body, and the component being supported with the leads positioned on both sides; a conveying member for conveying the component to the component supply position in a state that the component is supported by the support member; and a correction member that forms a space through which a lead of the component to be conveyed passes at a position on an upstream side in a conveying direction of the component from the component supply position, and corrects an extending direction of the lead, the correction member including a lead correction portion that corrects the leads positioned on both sides of the support member in a direction in which the leads approach each other as they move toward a downstream side in the conveying direction of the component.
The component mounting apparatus of the present invention includes the component supply apparatus.
The component supply method of the present invention includes: a conveying step of conveying the component to a component supply position in a state where the leads are positioned on both sides of the support member while supporting the component having the main body and the plurality of leads extending downward from the main body by the support member; and a lead correction step of correcting the extending direction of the leads in a direction in which the leads positioned on both sides of the support member approach each other with the conveyance of the component, before the component is conveyed to the component supply position in the conveyance step.
Effects of the invention
The invention can provide a component supply device, a component mounting device and a component supply method which can reduce the cost of component mounting.
Drawings
Fig. 1 is a perspective view of a component mounting apparatus according to embodiment 1 of the present invention.
Fig. 2 is a perspective view of a lever feeder equipped with the component mounting device in one embodiment 1 of the present invention.
Fig. 3 is a side view of a lever feeder equipped with the component mounting device in embodiment 1 of the present invention.
Fig. 4 is a schematic perspective view of a component passage provided in the lever feeder in embodiment 1 of the present invention.
Fig. 5 is a schematic plan view of a component passage provided in the lever feeder according to embodiment 1 of the present invention.
Fig. 6 is a schematic rear view of a component passage provided in the lever feeder in embodiment 1 of the present invention.
Fig. 7 is a schematic perspective view showing a modification of the component path provided in the lever feeder in embodiment 1 of the present invention.
Fig. 8 is a schematic perspective view of a component passage provided in the lever feeder in embodiment 2 of the present invention.
Fig. 9 is a schematic plan view of a component passage provided in the lever feeder in embodiment 2 of the present invention.
Description of the reference numerals
1a component mounting device; 2a substrate; 3 inserting the hole; 10. 10A component supply device; 11, a base platform; 11F feeder base; 12 a substrate transfer conveyor; 13a tape feeder; 13a tape feeder part supply position; 13s a tape feeder insertion portion; a 13T belt member; a 14-pole feeder; 14a lever feeder part supply position; 14s rod feeder insertion part; 15 an assembly head; 15a an adsorption nozzle; a 16-head moving mechanism; 21. 21A component passage; 22 an assembly part; 22a side wall; 22b bottom wall; a box part 23; 24 a drive mechanism section; 31a rod passage; 31a side plate; 31b front and rear plates; 32 a support member; 33 a rod recovery section; 41 a housing; a 42-bar feed mechanism; 43 member pressing means; 51 lines; 51a push rod; 52 driving the rollers; 53 a driven roller; a 54-roller drive mechanism; a 55-wire storage section; 60 a handling member; 61a support member; 61a upstream side supporting member; 61b a downstream side support member; 62 a connecting part; 65. 65a, 65b support members; 71 a corrective member; 72 space; 73 rollers; 74 a rotating shaft; a 75 lead correction unit; 81 a corrective member.
Detailed Description
A first aspect of the present invention provides a component supply apparatus including: a support member that supports a component up to a component supply position, the component having a main body and a plurality of leads extending downward from the main body, and the component being supported with the leads positioned on both sides; a conveying member for conveying the component to the component supply position in a state that the component is supported by the supporting member; and a correction member that forms a space through which a lead of the component to be conveyed passes at a position on an upstream side in a conveying direction of the component from the component supply position, and corrects an extending direction of the lead, the correction member including a lead correction portion that corrects the leads positioned on both sides of the support member in a direction in which the leads approach each other as they move toward a downstream side in the conveying direction of the component.
According to this configuration, when the component is conveyed by the conveying member, the extending direction of the lead can be corrected inward by the lead correcting portion. Therefore, the leads of the component, which are wider than the pitch of the insertion holes of the substrate, can be corrected to the pitch width of the insertion holes to be inserted into the insertion holes. In addition, the lead can be corrected by using the force of the conveying member for conveying the component, and a driving source for correcting the lead is not additionally arranged. Therefore, the component supply device can be miniaturized. In addition, the cost of the component supply device can be reduced.
A second aspect of the present invention provides the component supply device according to the first aspect, wherein the conveying member includes a push rod (Pusher) that pushes the component toward the component supply position.
According to this configuration, the member can be pushed out toward the member supply position by the push rod while the member is supported by the support member. Therefore, the extending direction of the lead can be corrected more easily inward.
A third aspect of the present invention provides the component supply device according to the first or second aspect, wherein the correction member includes rollers that are provided on both sides of the support member and that form a space between the rollers and the support member, the rollers being rotatable while the lead moves, and the lead correction portion being formed on an outer peripheral surface of the rollers.
According to this configuration, the roller is rotated about the rotation axis, whereby the extending direction of the lead wire can be corrected while preventing the movement of the member from being hindered.
A fourth aspect of the present invention provides the component supply apparatus according to the third aspect, wherein rollers on both sides of the support member are provided along the width direction.
According to this configuration, the pair of correction members are provided with the respective rollers along the width direction, so that the lead wire can be pressed from both sides in the width direction. Therefore, the extending direction of the lead can be corrected more reliably.
A fifth aspect of the present invention provides the component supply apparatus as defined in any one of the first to fourth aspects, wherein the correction member includes a lead passage extending in a direction of conveyance of the component and forming a space between the lead passage and the support member on both sides of the support member, and the lead correction portion is formed on a side surface of the lead passage.
According to this configuration, the lead can be pressed from both sides in the width direction by correcting the lead by the lead passage, and therefore the extending direction of the lead can be corrected more reliably.
A sixth aspect of the present invention provides the component supply apparatus according to the fifth aspect, wherein the lead passage is formed such that a passage width of the receiving position of the component in the support member is larger than a passage width of a position on a downstream side of the receiving position.
According to this structure, for example, the components in the rod can be easily transferred to the support member.
A seventh aspect of the present invention provides the component supply apparatus as defined in any one of the first to sixth aspects, wherein the support member is formed so as to be divided into a plurality of pieces, and the support member on one end side in the width direction and the other end side in the width direction and the correcting member are formed so as to be movable in the width direction.
According to this configuration, even if the width between the leads is different, the extending direction of the leads can be corrected by adjusting the support member and the correcting member in the width direction.
An eighth aspect of the present invention provides a component mounting apparatus including the component supply apparatus according to any one of the first to seventh aspects.
According to this structure, the parts can be assembled using a general-purpose chuck. Therefore, the cost of the component mounting apparatus can be reduced.
A ninth aspect of the present invention provides a component supply method including: a conveying step of conveying the component to a component supply position in a state where the leads are positioned on both sides of the support member while supporting the component having the main body and the plurality of leads extending downward from the main body by the support member; and a lead correction step of correcting the extending direction of the leads in a direction in which the leads positioned on both sides of the support member approach each other with the conveyance of the component, before the component is conveyed to the component supply position in the conveyance step.
According to this method, the extending direction of the lead can be corrected inward before the component is conveyed to the component supply position in the conveying step. Therefore, the leads of the component, which are wider than the pitch of the insertion holes of the substrate, can be corrected to the pitch width of the insertion holes to be inserted into the insertion holes. In addition, the lead can be corrected by using the force of the conveying member in the conveying process, and a driving source for correcting the lead is not separately arranged. Therefore, the component supply device can be miniaturized. In addition, the cost of the component supply device can be reduced.
A tenth aspect of the present invention provides the component supply method according to the ninth aspect, wherein in the conveying step, the component is conveyed by pushing the component toward the component supply position by the pusher.
According to this method, the member can be pushed out toward the member supply position by the push rod while the member is supported by the support member. Therefore, the extending direction of the lead can be corrected more easily inward.
An eleventh aspect of the present invention provides the component supply method according to the ninth or tenth aspect, wherein in the lead wire correcting step, the extending direction of the lead wire is corrected on both sides of the support member by rotatable rollers.
According to this method, the roller is rotated, whereby the extending direction of the lead wire can be corrected while preventing the movement of the member from being hindered.
A twelfth aspect of the present invention provides the component supply method according to any one of the ninth to eleventh aspects, wherein in the lead wire correcting step, the extending direction of the lead wire is corrected on both sides of the support member by the lead wire passages formed on both sides of the support member.
According to this method, the lead can be pressed from both sides in the width direction by straightening the lead by the lead passage, and therefore the extending direction of the lead can be more reliably straightened.
A thirteenth aspect of the present invention provides the component supply method according to any one of the ninth to twelfth aspects, further comprising an adjustment step of adjusting a gap between the correction members in accordance with a gap between the leads positioned on both sides of the support member, the correction members correcting the extending direction of the leads on both sides of the support member.
According to this method, even if the leads have different widths, the extension direction of the leads can be corrected by adjusting the correction member in the width direction.
Hereinafter, an exemplary embodiment of a component mounting apparatus and a component supplying apparatus according to the present invention will be described with reference to the drawings. The present invention is not limited to the specific configurations of the following embodiments, and configurations based on the same technical ideas are included in the present invention.
(embodiment mode 1)
The component mounting apparatus 1 according to embodiment 1 will be described with reference to fig. 1. Fig. 1 shows a component mounting apparatus 1 in embodiment 1. The component mounting apparatus 1 is an apparatus for mounting components such as chip components and components with leads on a substrate 2. As shown in fig. 1, the component mounting apparatus 1 includes a substrate transport conveyor 12, a component supply device 10, an assembly head 15, and a head moving mechanism 16 on a base 11.
The substrate transport conveyor 12 is a conveyor that receives and transports the substrate 2, which is loaded from the outside, to the center portion of the base 11, and positions the substrate 2 at the operation position.
The component supply device 10 is a device that supplies components to the mounting head 15. The mounting head 15 is a head for mounting components on the substrate 2. In embodiment 1, two fitting heads 15 are provided in the front-rear direction. The mounting head 15 has a suction nozzle 15a extending downward. The suction nozzle 15a is a nozzle that picks up the component supplied by the component supply apparatus 10.
The head moving mechanism 16 is a mechanism that moves the fitting head 15. The head moving mechanism 16 moves the two fitting heads 15 independently in a horizontal plane (XY plane), respectively. For convenience of explanation, in embodiment 1, the conveyance direction of the substrate 2 by the substrate conveyance conveyor 12 is defined as an X-axis direction (a left-right direction viewed from the operator OP), and a direction orthogonal to the X-axis direction in a horizontal plane is defined as a Y-axis direction (a front-back direction viewed from the operator OP). The vertical direction is defined as the Z-axis direction. In the Y-axis direction, the front side viewed from the operator OP is set as the front, and the inner side viewed from the operator OP is set as the rear.
The component supply device 1 of embodiment 1 has a tape feeder 13 and a lever feeder 14.
The tape feeder 13 is a feeder that feeds a tape member 13T accommodating components by pitch to continuously supply the components. The tape feeder 13 supplies the component to a component supply position (tape feeder component supply position) 13a located on the substrate transport conveyor 12 side. The tape feeder 13 is mounted on a feeder base 11F on the front side of the base 11. By inserting an insertion portion (feeder insertion portion 13 s) projecting downward from the lower surface into an unillustrated insertion groove of the feeder base 11F in the horizontal direction, the tape feeder 13 can be detachably mounted. The component supply position 13a of each tape feeder 13 coincides with any one of a plurality of component pickup positions (positions where components are picked up by the suction nozzles 15 a) set at the assembly head 15. Thus, each tape feeder 13 supplies the component to the component pickup position of the mounting head 15.
Fig. 2 is a perspective view of the rod feeder 14. Fig. 3 is a side view of the rod feeder 14. As shown in fig. 2 and 3, the parts feeder 14 is a feeder that supplies the parts with leads (hereinafter, the parts with leads are simply referred to as parts P) stored in the parts ST to a parts supply position (parts feeder supply position) 14a. The lever ST is, for example, a box-shaped component housing case in which a plurality of components P are housed.
As shown in the enlarged view of fig. 2, member P includes a main body HB and a plurality of leads LD projecting downward from main body HB. The lead LD according to embodiment 1 includes a side extension portion L1 extending laterally from a side surface of the main body HB, and a lower extension portion L2 extending downward from a widthwise end portion of the side extension portion L1. The downward extending portion L2 extends obliquely downward (obliquely downward) with respect to the vertical direction (Z direction). The component P is, for example, a DIP component.
The lead LD extends obliquely downward in the rod ST and is corrected until being supplied to the component supply position 14a. After correction, the lead LD extends, for example, in the Z direction. The structure for the correction lead LD will be described in detail later.
The lever feeder 14 is mounted on a feeder base 11F (fig. 1) on the rear side of the base 11. By inserting an insertion portion (feeder insertion portion 14 s) projecting downward from the lower surface into the insertion groove of the feeder base 11F in the horizontal direction, the feeder 14 can be detachably mounted. The lever feeder 14 can be mounted on a feeder base 11F on the front side of the base 11 instead of the tape feeder 13.
Each of the lever feeders 14 has a channel-like component passage 21 extending in the axial direction (Y direction) in a state of being mounted on the feeder base 11F. In a state where the lever ST is aligned with the component path 21, the lever feeder 14 pushes out the component P in the lever ST toward the component path 21. Further, the lever feeder 14 feeds the component P to the component feeding position 14a located on the substrate transport conveyor 12 side by causing the component P to travel within the component passage 21. The component supply position 14a of each of the rod feeders 14 coincides with any one of a plurality of component pickup positions set at the fitting head 15. Thus, each of the lever feeders 14 supplies the component P to the component pickup position of the mounting head 15.
The component mounting device 1 supplies components to the component supply positions 13a, 14a by the tape feeder 13 and the lever feeder 14. The component mounting device 1 picks up the supplied component by suction by the suction nozzle 15a of the mounting head 15, and mounts the supplied component at a predetermined position on the substrate 2 positioned by the substrate transport conveyor 12. After all the components to be mounted on the substrate 2 are mounted, the substrate 2 is carried out to the outside by the substrate transport conveyor 12. Thereby, the substrate 2 mounted with the components is manufactured.
Next, the rod feeder 14 will be described in detail with reference to fig. 2 and 3. As shown in fig. 2 and 3, the rod feeder 14 includes a mounting portion 22, a Magazine (Magazine) portion 23, and a drive mechanism portion 24.
The mounting portion 22 is a portion mounted to the feeder base 11F. The fitting portion 22 has a side wall 22a extending vertically and a bottom wall 22b extending horizontally from the lower end of the side wall 22a. The component passage 21 is attached to the side wall 22a. A lever feeder insertion portion 14s is mounted on the lower surface of the bottom wall 22b. After the lever feeder insertion portion 14s is inserted into the insertion slot of the feeder base 11F (fig. 1) to thereby fit the fitting portion 22 to the feeder base 11F, the component passage 21 is relatively fixed with respect to the base 11 and is brought into a posture extending in the Y-axis direction.
The pocket 23 is a portion for receiving the lever ST. The cassettes 23 are successively arranged in a direction (rear here) away from the feeder base 11F as viewed from the mounting portion 22 mounted to the feeder base 11F. The pocket portion 23 includes a lever passage 31 and a lever recovery portion 33. The lever path 31 includes a pair of side plates 31a arranged in the X-axis direction and a pair of front and rear plates 31b arranged in the front and rear directions. The rod collecting portion 33 is supported in a horizontal posture extending in the front-rear direction by a plurality of support members 32 extending downward from the rod passage 31. The upper portion of the rod passage 31 is opened, and an unused rod ST is thrown in from the opening. The rod recovery portion 33 is located directly below the rod passage 31.
The drive mechanism portion 24 is a portion having the drive rod feeder 14. The drive mechanism portion 24 is successively provided to the magazine portion 23 in a direction (rear) away from the feeder base 11F. The drive mechanism 24 includes a lever feed mechanism 42 and a member pressing mechanism 43 in a housing 41 provided behind the cassette 23.
The lever feeding mechanism 42 is a mechanism for feeding the lever ST downward (-Z direction). The lever feeding mechanism 42 positions the lever ST, which is put into the magazine 23 from above the lever path 31, at a predetermined position (referred to as a component extruding position), and couples the lever ST to the component path 21. The lever feeding mechanism 42 holds the other lever ST above the lever ST located at the component extruding position in a standby state. In the state where the rod ST is located at the component extruding position, the row of the components P in the rod ST is aligned with the component passage 21. After the lever ST located at the component extruding position is empty, the lever feeding mechanism 42 releases the holding of the lever ST and feeds the lever ST to the lever collecting section 33.
The component pressing mechanism 43 is a mechanism for pressing the component P in the rod ST toward the component supply position 14a. The component pressing mechanism 43 includes a wire 51, a pair of roller members (a driving roller 52 and a driven roller 53), and a roller driving mechanism 54.
The wire 51 is inserted into the housing 41 from the outside (rear) and the wire 51 is held in a horizontal posture. The line 51 extends along the central axis in the front-rear direction of the rod ST located at the component extrusion position. A push rod (pressing member) 51a is attached to the front end of the wire 51. The push rod 51a is a member that pushes out the component P toward the component supply position 14a. A portion of the wire 51 extending outside the housing 41 is received and protected by a tubular wire receiving portion 55.
The pair of roller members are members for driving the wire 51 in the front-rear direction. The driving roller 52 and the driven roller 53 are provided at positions sandwiching the wire 51 from above and below.
The roller driving mechanism 54 is a mechanism that drives the driving roller 52 by a pitch to move the wire 51 in the front-rear direction. The roller drive mechanism 54 is a servomotor, for example. The roller drive mechanism 54 performs pitch drive and continuous drive of the drive rollers 52.
When the roller drive mechanism 54 pitch-drives the drive roller 52 in the forward direction, the wire 51 sandwiched between the drive roller 52 and the driven roller 53 is fed forward by a constant amount, and the push rod 51a at the front end of the wire 51 advances forward. The push rod 51a that has traveled forward enters the rod ST from a rear end opening (not shown) of the rod ST located at the component extrusion position, and presses the component P (the entire row of components P) in the rod ST forward. As a result, the plurality of components P in the rod ST move forward in the rod ST as a unit, and are output from a distal end opening (not shown) of the rod ST to the component passage 21 side, thereby traveling forward in the component passage 21.
The amount of travel of the pusher 51a by the primary pitch drive of the drive roller 52 is set to be variable in accordance with the longitudinal dimension L (fig. 3) of the member P. Each time pitch driving of the driving rollers 52 is performed, the component P is moved forward by the dimension L of one component P in the component passage 21. The roller driving mechanism 54 performs pitch driving of the driving rollers 52 each time the assembly head 15 picks up the component P that has reached the component feeding position 14a. Thereby, the components P are continuously supplied to the component supply position 14a.
When all the parts P in the rod ST are pushed out to the part passage 21 side and the rod ST becomes empty, the roller driving mechanism 54 stops the pitch driving of the driving rollers 52 and continuously rotates in the opposite direction of the driving rollers 52. Thereby, the wire 51 is pulled backward to pull the push rod 51a out of the pole ST that has become empty. Then, after the push rod 51a is pulled out from the empty lever ST, the lever feeding mechanism 42 releases the holding of the lever ST located at the component extruding position. Thus, the empty rod ST falls by its own weight and is received by the rod retrieving portion 33 to be retrieved. Note that, the fact that the lever ST located at the component extrusion position becomes empty is grasped based on the position of the push rod 51a. The position of the push rod 51a is calculated, for example, from the total of the feed amounts of the wires 51 by the rotation control of the drive roller 52.
The orientation of the lead LD of the component P is corrected until the component P is supplied to the component supply position 14a through the component passage 21. Specifically, the orientation of the lead LD is corrected between the distal end opening of the rod ST and the component supply position 14a of the component passage 21.
The structure for correcting the lead LD will be described in detail below with reference to fig. 4 to 6. Fig. 4 is a schematic perspective view of the component passage 21. Fig. 5 is a schematic plan view of the component passage 21. Fig. 6 is a schematic rear view of the component passage 21. For convenience of explanation, parts of the component passage 21 are omitted from fig. 4 to 6 and shown.
The parts path 21 of the feeder 14 includes a conveying member 60, a support member 61, and a correcting member 71.
The conveying member 60 conveys the component P to the component supply position 14a. The conveying member 60 of embodiment 1 includes a pusher 51a. The conveying member 60 supplies the parts P to the part supply position 14a by the pusher 51a while supporting the parts P by the supporting member 61.
The support member 61 is a member that supports the parts P up to the parts supply position 14a (fig. 3). The support member 61 supports the component P in a state where the leads LD are positioned on both sides of the support member 61 in the width direction (X direction). The support member 61 of embodiment 1 supports the bottom surface of the main body HB of the component P. The support member 61 extends along the moving direction (Y direction) of the part P pushed out by the push rod 51a. The upper surface of the support member 61 is formed flat, for example.
The support member 61 of embodiment 1 includes an upstream support member 61a, a downstream support member 61b having a smaller width (length in the X direction) than the upstream support member 61a, and a connecting portion 62 connecting the upstream support member 61a and the downstream support member 61 b. The connecting portion 62 is formed so that the width decreases toward the downstream side in the moving direction of the component P.
The correcting member 71 corrects the extending direction of the lead LD of the component P. In embodiment 1, the correcting member 71 corrects the extending direction of the lead LD using the force of the pushing member P by the push rod 51a. Thus, the lead LD can be corrected without providing a separate driving source for correcting the lead LD.
The correcting member 71 according to embodiment 1 includes a roller 73. The roller 73 is provided to be rotatable in the moving direction of the part P. That is, the roller 73 rotates about the rotation axis 74 in a horizontal plane (XY plane). The rotation shaft 74 is provided to intersect with the moving surface S1 on which the member P moves. The rotation shaft 74 of embodiment 1 extends in the vertical direction (Z direction). Here, the moving surface S1 indicates a surface on which the bottom surface of the main body HB of the component P moves on the support member 61. The moving surface S1 of embodiment 1 is a horizontal surface (XY plane).
The rollers 73 are provided on both sides of the support member 61 in the width direction on the upstream side of the component feeding position 14a in the moving direction of the component P along the width direction. Specifically, the rollers 73 are provided on both sides in the width direction of the connection portion 62. The roller 73 forms a space 72 through which the lead LD passes between the outer peripheral surface and the support member 61.
In embodiment 1, the rollers 73 on one side (right side in fig. 5) and the rollers 73 on the other side (left side in fig. 5) are formed to have the same diameter. The minimum width W1 between the outer circumferential surface of the one roller 73 and the outer circumferential surface of the other roller 73 of the one and the other rollers 73 is set to be the corrected lead width. Here, the lead width refers to a width between the lead LD (tip end portion) on one side and the lead LD (tip end portion) on the other side in the component P. The component P can be mounted on the substrate 2 by adjusting the lead width to a width between the insertion hole 3 provided on one side and the insertion hole 3 provided on the other side of the substrate 2 (fig. 1).
The roller 73 has a lead correction unit 75 that is a portion for correcting the lead LD. The lead correction unit 75 corrects the leads LD positioned on both sides of the support member 61 in a direction approaching each other toward the downstream side in the conveying direction of the component P. That is, the lead correction unit 75 corrects the extending direction of the lead LD toward the support member 61. The lead correction unit 75 is, for example, a portion from the contact of the leading end of the lead LD of the component P with the outer peripheral surface of the roller 73 to the widthwise inner end of the outer peripheral surface of the roller 73, and the component P is fed from the upstream side of the roller 73. For example, the lead LD is corrected by the lead correction unit 75 so that the width between the lower extension L2 of the lead LD and the main body HB becomes the width of the side extension L1.
As shown in fig. 5, the lead correction unit 75 is formed obliquely with respect to the movement direction of the component P such that the width between the outer peripheral surface of the one roller 73 and the outer peripheral surface of the other roller 73 becomes smaller toward the downstream side (Y direction) of the movement direction of the component P in a plan view. The lead correction units 75 are provided on both sides of the connection unit 62.
The roller 73 of embodiment 1 does not have a drive source for rotating the roller 73. The roller 73 rotates in accordance with the push of the push rod 51a to the member P. The member P is pushed out to the downstream side by the push rod 51a, and the lead LD of the member P comes into contact with the outer peripheral surface of the roller 73. Then, the roller 73 is rotated while the lead LD moves by pushing the member P to the downstream side.
As shown in fig. 6, as the member P moves, the orientation of the lead LD is corrected toward the inside (main body HB side) while the roller 73 rotates. Specifically, the orientation of the lead LD is corrected so that the inclination angle θ 1 of the lead LD (downward extending portion L2) with respect to the vertical axis (Z axis) is reduced. The inclination angle θ 1 of the corrected lead LD (downward extending portion L2) is set in a range of, for example, 0 degree to 15 degrees. Fig. 6 of embodiment 1 shows an example in which the inclination angle θ 1 of the lead LD after correction is 0 degrees. That is, the corrected lead LD (downward extending portion L2) extends in the vertical direction.
Next, a component feeding method by the lever feeder 14 will be explained.
The component feeding method by the lever feeder 14 includes a conveying process ST10 of conveying the component P and a lead wire correcting process ST20 of correcting the orientation of the lead wire LD (the direction in which the lead wire LD extends).
In the conveying step ST10, the component P supplied from the rod ST to the component passage 21 is supported by the support member 61, and is conveyed to the component supply position 14a in a state where the leads LD are positioned on both sides of the support member 61.
Before the component P is conveyed to the component supply position 14a in the conveying step ST10, a lead wire correcting step ST20 is performed. In the lead correction step ST20, the orientation of the leads LD is corrected in a direction in which the leads LD positioned on both sides of the support member 61 approach each other. In the lead straightening step ST20 of embodiment 1, the direction of the lead LD is straightened by the roller 73.
The orientation of the lead LD of the component P is corrected in the lead correction step ST20, and the component P with the corrected lead LD is supplied to the component supply position 14a. Thereby, the component P is supplied toward the suction nozzle 15a in a state where the lead width of the lead LD matches the pitch width of the insertion hole 3.
According to the component supply device 10 of embodiment 1, the correction members 71 are provided on both sides of the support member 61 on the upstream side in the movement direction from the component supply position 14a, and a space 72 through which the lead LD passes is formed between the correction members and the support member 61. The correcting member 71 corrects the extending direction of the lead LD passing through the space 72. The correction member 71 includes a lead correction unit 75, and the lead correction unit 75 corrects the leads LD positioned on both sides of the support member 61 in a direction approaching each other toward the downstream side in the conveying direction of the component P. The lead correction unit 75 is formed so as to be inclined with respect to the movement direction so as to approach the support member 61 side as it goes to the downstream side in the movement direction in a plan view.
Thus, when the push rod 51a pushes out the component P, the lead correction unit 75 can correct the extending direction of the lead LD toward the support member 61. Therefore, the leads LD of the component P, which are wider than the pitch of the insertion holes 3 of the substrate 2, can be corrected to the pitch width of the insertion holes 3 to be inserted into the insertion holes 3. Further, the lead LD can be corrected by the force with which the push rod 51a pushes the member P out, without providing a separate drive source for correcting the lead LD. Therefore, the component supply device 10 can be downsized. In addition, the cost of the component supply device 10 can be reduced.
Further, the support member 61 is formed such that the width of the support member 61 decreases toward the downstream side in the movement direction, on the side of the lead correction unit 75.
This allows the interval of the space 72 between the lead correction unit 75 and the support member 61 to be kept constant, and thus the lead LD can be corrected by moving along the space 72.
The correcting member 71 includes a roller 73, and the roller 73 has a rotation axis 74 provided to intersect with the moving surface S1 on which the component P moves. The lead correction unit 75 is formed on the outer circumferential surface of the roller 73.
Thus, by rotating the roller 73 about the rotation shaft 74, the extending direction of the lead LD can be corrected while preventing the movement of the member P from being hindered.
The rollers 73 of the correcting member 71 on both sides of the support member 61 are provided along the width direction of the support member 61.
Thus, by providing the rollers 73 of the pair of correction members 71 along the width direction, the lead LD can be pressed from both sides in the width direction, and therefore the extending direction of the lead LD can be corrected more reliably.
Although the present invention has been described above by referring to embodiment 1, the present invention is not limited to embodiment 1. For example, the support member 61 may have a structure as shown in fig. 7. Fig. 7 is a schematic perspective view showing a modification of the component passage 21. As shown in fig. 7, the support member 65 is formed so as to be divided into a plurality of pieces in the width direction. The support member 65a on one end side in the width direction (the right side in fig. 7), the support member 65b on the other end side in the width direction (the left side in fig. 7), and the roller 73 (the correcting member 71) are formed so as to be movable in the width direction. Thereby, even when the lead width is different in the component P, the lead LD of the component P can be corrected by adjusting the support members 65a, 65b and the correcting member 71.
In addition, the component supplying method by the parts feeder 14 may further include an adjusting process ST30, in which the adjusting process ST30 adjusts the interval between the rollers 73 (correcting members 71) on both sides of the supporting member 61. In the adjustment step ST30, the interval of the correction member 71 is adjusted based on the interval of the leads LD positioned on both sides of the support member 61, that is, the lead width. The adjustment step ST30 may be performed by a configuration as shown in fig. 7, for example.
In addition, although the component supply device 10, the component mounting device 1, and the component supply method based on the lever feeder 14 have been described, the present invention is not limited to the lever feeder 14. That is, other configurations and methods may be used as long as the component, in which the direction of the lead extending from the component is corrected, can be held and supplied to the mounting portion of the substrate-mounted component. For example, the supplied components may be supplied from a member other than the rod ST.
Although an example in which the component supplied from the component supply device 10 is picked up by the suction nozzle 15a has been described, the component may be held and mounted on the substrate in another configuration. For example, the pickup claw may be a pickup claw that grips and picks up the component.
Although the structure in which the conveying member 60 includes the pusher 51a has been described, other structures may be employed as long as the component can be conveyed to the component supply position 14a. For example, the conveying member 60 may convey the component to the component supply position 14a by a conveyor or the like. For example, the conveying member 60 may not include the support member 61, but may hold the component by the holding member and convey the component to the component supply position 14a.
The correcting member 71 includes the roller 73, but may have another configuration as long as the extending direction of the lead LD can be corrected. The correcting member 71 may be configured other than the roller 73 as long as the correcting member 71 includes a lead correcting portion that corrects the leads LD positioned on both sides of the support member 61 in a direction approaching each other toward the downstream side in the conveying direction of the component P.
Although the support member 61 includes the upstream support member 61a, the downstream support member 61b, and the connection portion 62, the support member is not limited thereto as long as it can support the component P. The support member 61 may be formed with a constant width along the Y direction, for example.
Although the roller 73 is not provided with a driving source for rotating it, it is not limited thereto. That is, a drive source for rotating the roller 73 may be provided.
The rotation shaft 74 extends in the vertical direction (Z direction), but the rotation shaft 74 may extend obliquely to the vertical direction.
The member P is a DIP member included in the lever ST, but is not limited thereto as long as it has a plurality of leads extending downward from the main body HB.
(embodiment mode 2)
In embodiment 2, the point different from embodiment 1 is mainly explained. In embodiment 2, the same or equivalent structures as those in embodiment 1 are denoted by the same reference numerals to describe the same. In embodiment 2, the description overlapping with embodiment 1 is omitted as appropriate.
In embodiment 2, the structure at the straightening member 71 of the component passage 21 of embodiment 1 is different. That is, the component passage 21A of embodiment 2 includes the correction member 81 as shown in fig. 8 and 9. Fig. 8 is a schematic perspective view of the component passage 21A. Fig. 9 is a schematic plan view of the component passage 21A.
As shown in fig. 8 and 9, the correcting member 81 according to embodiment 2 extends along the moving direction of the part P. The correcting member 81 forms a lead passage 85 for the lead LD to pass through between the correcting member and the supporting member 83 on both sides of the supporting member 83. The correcting member 81 is integrally formed with the supporting member 83. The lead passage 85 is a groove extending from the upstream side to the downstream side in the moving direction. The lead passage 85 forms a space 87 between the lead passage and the support member 83, through which the lead LD passes.
The lead passage 85 includes a lead correction unit 86 for correcting the lead LD. The lead correction unit 86 is formed on the side surface of the lead passage 85. The lead correction unit 86 is formed to be inclined with respect to the movement direction of the component P so as to approach the support member 83 side toward the downstream side in the movement direction of the component P in a plan view. Thus, by pushing the push rod 51a out of the member P, the lead LD is gradually corrected while contacting the lead correction unit 86 as the lead LD travels downstream together with the member P.
The lead wire passage 85 according to embodiment 2 is formed such that the passage width W1 at the receiving position of the component P in the support member 83 is larger than the passage width W2 at the position on the downstream side of the receiving position. Here, the receiving position of the component P is a position where the component P is received from the front end opening of the rod ST in the component passage 21. The downstream passage width W2 is set to, for example, the diameter of the lead LD.
The component supply method by the lever feeder 14 in embodiment 2 is different from the component supply method in embodiment 1 in that the orientation of the lead LD is corrected by the lead path 85. In the component supply method according to embodiment 2, the lead LD of the component P is corrected by the lead correction unit 86 of the lead path 85 and supplied to the component supply position 14a.
According to the component supplying device 10A of embodiment 2, the correcting member 81 extends in the moving direction and forms the lead passage 85 through which the lead LD passes between the correcting member and the supporting member 83 on both sides of the supporting member 83. The space 87 is formed by the lead passage 85. The lead correction unit 86 is formed on the side surface of the lead passage 85.
Thus, by correcting the lead LD by the lead passage 85, the lead LD can be pressed from both sides in the width direction, and therefore the extending direction of the lead LD can be corrected more reliably.
The lead passage 85 is formed such that a passage width W1 at the receiving position of the component P in the support member 83 is larger than a passage width W2 at a position downstream of the receiving position.
This makes it possible to easily transfer the component P in the rod ST to the support member 83.
The present invention has been described above with reference to embodiment 2, but the present invention is not limited to embodiment 2. For example, the lead passage 85 is a groove extending from the upstream side to the downstream side in the moving direction, but is not limited thereto. The lead path 85 may have another configuration as long as it is a space through which the lead LD passes.
The correcting member 81 is formed integrally with the support member 83, but may be formed separately.
It is to be noted that any of the above various embodiments can be combined as appropriate to achieve the respective effects.
The present invention has been fully described in connection with the preferred embodiments thereof with reference to the accompanying drawings, but it is apparent that various changes and modifications will be apparent to those skilled in the art. Such changes and modifications should be understood as being included within the scope of the present invention as defined by the appended claims. Further, combinations of elements and changes in the order of the elements in the embodiments can be realized without departing from the scope and the spirit of the present invention.
Industrial applicability
The component supply device, the component mounting device, and the component supply method according to the present invention are useful when mounting a component, in which the pitch between leads extending from the component is wider than the pitch of insertion holes provided in a substrate, on the substrate.
Claims (13)
1. A component supply device is provided with:
a support member that supports a component up to a component supply position, the component having a main body and a plurality of leads extending downward from the main body, and the component being supported with the leads positioned on both sides;
a conveying member that conveys the component to the component supply position in a state where the component is supported by the support member; and
a correcting member that forms a space through which the lead of the component to be conveyed passes at a position upstream of the component supply position in a conveying direction of the component, and corrects an extending direction of the lead,
the correction member includes a lead correction unit that corrects the leads positioned on both sides of the support member in a direction in which the leads approach each other toward a downstream side in a conveying direction of the component.
2. The component supplying apparatus according to claim 1,
the conveying member includes a push rod that pushes out the component toward the component supply position.
3. The component supplying apparatus according to claim 1 or 2,
the correcting member includes rollers that are provided on both sides of the support member, form the space between the rollers and the support member, and are rotatable while the lead wire moves,
the lead correction portion is formed on an outer peripheral surface of the roller.
4. The component supplying apparatus according to claim 3,
the rollers on both sides of the support member are provided along the width direction.
5. The component supplying apparatus according to any one of claims 1 to 4,
the correcting member includes a lead passage extending in a conveying direction of the component and forming the space between the lead passage and the support member on both sides of the support member,
the lead correction unit is formed on a side surface of the lead passage.
6. The component supplying apparatus according to claim 5,
the lead passage is formed such that a passage width of a receiving position of the component in the support member is larger than a passage width of a position on a downstream side of the receiving position.
7. The component supplying apparatus according to any one of claims 1 to 6,
the support member is formed so as to be divided into a plurality of parts,
the support member and the correcting member on the one end side in the width direction and the other end side in the width direction are formed to be movable in the width direction.
8. A component mounting apparatus provided with the component supply apparatus according to any one of claims 1 to 7.
9. A component feeding method comprising:
a conveying step of conveying a component to a component supply position with leads positioned on both sides of a support member while supporting the component, the component having a main body and a plurality of leads extending downward from the main body, by the support member; and
and a lead wire correcting step of correcting an extending direction of the lead wires positioned on both sides of the support member in a direction in which the lead wires approach each other in association with the conveyance of the component, before the component is conveyed to the component supply position in the conveying step.
10. The component supplying method according to claim 9,
in the conveying step, the component is conveyed by pushing the component toward a component supply position by a pusher.
11. The component supplying method according to claim 9 or 10,
in the lead wire correcting step, the extending direction of the lead wire is corrected on both sides of the support member by rotatable rollers.
12. The component supplying method according to any one of claims 9 to 11,
in the lead wire correcting step, the extending direction of the lead wire is corrected on both sides of the support member by lead wire passages formed on both sides of the support member.
13. The component supplying method according to any one of claims 9 to 12,
the component supplying method may further include an adjusting step of adjusting a gap between correction members that correct an extending direction of the lead wire on both sides of the supporting member, according to a gap between the lead wires positioned on both sides of the supporting member.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019077949A JP7411904B2 (en) | 2019-04-16 | 2019-04-16 | Component supply device, component mounting device, and component supply method |
| JP2019-077949 | 2019-04-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111824746A CN111824746A (en) | 2020-10-27 |
| CN111824746B true CN111824746B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010272627.8A Active CN111824746B (en) | 2019-04-16 | 2020-04-08 | Component supply device, component mounting device, and component supply method |
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| Country | Link |
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| JP (1) | JP7411904B2 (en) |
| CN (1) | CN111824746B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111824746A (en) | 2020-10-27 |
| JP7411904B2 (en) | 2024-01-12 |
| JP2020177983A (en) | 2020-10-29 |
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