WO2010109930A1 - 電子部品の巻線方法及び装置 - Google Patents
電子部品の巻線方法及び装置 Download PDFInfo
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- WO2010109930A1 WO2010109930A1 PCT/JP2010/050271 JP2010050271W WO2010109930A1 WO 2010109930 A1 WO2010109930 A1 WO 2010109930A1 JP 2010050271 W JP2010050271 W JP 2010050271W WO 2010109930 A1 WO2010109930 A1 WO 2010109930A1
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- core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
Definitions
- the present invention relates to a winding method and apparatus for winding a wire around an electronic component such as a chip coil.
- This winding device includes a wire rod supply unit that supplies a wire rod and a wire rod winding unit around which the wire rod is wound.
- the wire supply unit includes a nozzle that regulates the supply position of the wire, and a moving mechanism that moves the nozzle in a three-dimensional direction.
- the wire rod winding unit includes a spindle on which a bobbin around which the wire rod is wound is mounted, a rotating mechanism that rotates the spindle, and a moving mechanism that moves the spindle in a three-dimensional direction.
- the wire rod winding unit transports the bobbin. It is opposed to the transport mechanism.
- Patent Document 2 discloses a winding in which an accommodating portion supported by a housing via a bearing is fitted to an end portion of a winding jig fixed to a spindle so as to sandwich the winding jig from a direction facing the spindle.
- a center pressing device for a machine is disclosed.
- a plurality of support bars parallel to the spindle are passed through a hole formed in the housing with a predetermined gap to support the housing, and a spring is urged by a spring to a support base to which the support bar is attached to press the housing in the spindle direction. It has a structure with a sphere.
- a winding jig is inserted into a bobbin, and one end of the winding jig is fitted and held in a housing accommodating portion.
- both ends of the winding jig are supported, but the shaft center is reliably determined by the backlash between the winding jig and the bobbin or the backlash between the winding jig and the housing.
- the bobbin shakes.
- the shape of a bobbin is restricted.
- An object of the present invention is to provide a winding method and a winding device that can suppress the inclination of the core relative to the rotation axis and suppress the deflection of the core.
- the winding method according to the present invention is a winding method in which a wire is wound around a winding drum formed between both ends of a core, and one end of the core is chucked in the first axial direction with a core chuck. And a second step of pressing the spindle chuck against the other end portion of the core from the opposite direction to the core chuck in a state in which the one end portion of the core is chucked by the core chuck, and holding the core from both sides.
- the spindle chuck is rotated about a third axis orthogonal to the first axis and the second axis while supplying a wire to the core in a state where the core is sandwiched, and the core
- the Jack by follow rotated to the third axis and coaxially around and having a, a fourth step of winding the wire in the winding drum portion of the core.
- the winding device is a winding device in which a wire is wound around a winding drum portion formed between both ends of the core, and one end of the core is chucked in the first axial direction, A support part for supporting one end face of the core between the chuck parts, and a core chuck that is rotatable around a third axis orthogonal to the first axis, and is disposed to face the core chuck; A spindle chuck that chucks the other end of the core in a second axis direction perpendicular to the first axis, a moving mechanism that moves the spindle chuck in a direction facing the core chuck, and a coaxial rotation with the third axis A rotary drive mechanism for rotating the spindle chuck on the wire, a wire supply mechanism for supplying the wire, a first step of supplying the core by chucking one end of the core in the first axial direction with the core chuck, A second step of pressing the spindle chuck against the other end
- the present invention in a winding method using a spindle, after one end of the core is chucked in the first axial direction (for example, Z direction) by the core chuck on the core supply side, and after the spindle chuck contacts the other end of the core The core chuck is opened, the core is chucked in the second axial direction (for example, Y direction) on the spindle chuck side, and both-end spindle winding is performed.
- both cores are supported by the core chuck on the supply side and the spindle chuck on the spindle side, it is possible to cope with high tension winding.
- the supply side and the spindle side are each provided with a core positioning function in the first axis direction (Z direction) and the second axis direction (Y direction), and the rotation centers of the chucks are aligned in advance with mechanical accuracy. As a result, rotational runout can be suppressed, and the burden on the core can be reduced.
- the present invention by providing a rotational drive source on the spindle chuck side without providing a rotational drive source on the core chuck side for supplying the core, it is possible to suppress rotational runout (high accuracy) and to provide a mechanism for the core supply device. Is simple and lightweight. In the double-supported mechanism, the core chuck on the supply side is only released and pushed during rotation, so that a slight misalignment of the shaft center can be absorbed and mechanical adjustment becomes easy. In addition, the load on the core due to axial misalignment can be reduced, and damage to the core can be prevented.
- the wire supply mechanism preferably includes a wire nozzle that guides the wire, a wire chuck that chucks the wire, and an operating mechanism that moves the wire nozzle and the wire chuck in three axial directions.
- a process of drawing the end portion of the wire to the back surface of the end portion of the core is necessary. If only the wire nozzle that guides the wire is used, the routing process is difficult, and the wire wound around the core is likely to loosen when the terminal is cut. Therefore, by using a wire chuck that chucks the wire, the wire nozzle and the wire chuck are moved in three axial directions, and the wire is routed around the back of the end of the core. And it can be routed with high accuracy.
- the spindle chuck has a built-in cutting blade for cutting the end of the wire, and the operating mechanism operates the wire chuck to push the wire chucked by the wire chuck against the cutting blade of the spindle chuck and tear the wire. It is good to let them.
- the cutting blade for cutting the wire is built in the spindle chuck, the positional relationship between the cutting blade and the core is fixed, and the cutting accuracy can be improved and the apparatus can be downsized.
- the wire can be pressed against the cutting blade when the spindle chuck is pressed against the other end of the core, the wire can be easily cut by simply moving the wire chuck relative to the spindle chuck, and the cutting work is simple. At the same time, the wire ends after cutting do not loosen.
- a spring that regulates the pressing force against the spindle chuck core may be provided in the linear drive mechanism of the spindle chuck.
- the core may be damaged if excessive pressure is applied to the core. Therefore, by providing a spring that regulates the pressing force against the core, the holding force of the core can be regulated without control, and damage to the core can be prevented.
- each of the core chuck on the supply side and the spindle chuck on the spindle side is provided with a core positioning function in the Z direction and the Y direction, and the wires are supported in a state where both ends of the core are supported. Since the wire is wound around the core, even if the tension of the wire is increased, the inclination of the core with respect to the rotation axis can be suppressed, and the core can be prevented from shaking. In addition, the load on the core due to axial misalignment can be reduced, and damage to the core can be prevented.
- FIG. 1 It is sectional drawing of an example of the winding apparatus which concerns on this invention. It is a perspective view of the principal part of the winding apparatus shown in FIG. It is a perspective view of the fixed claw of a spindle chuck. It is a perspective view of the chip coil after the end of winding. It is operation
- the core 1 has square flange portions 2 and 3 at both ends, a winding drum portion 4 between both ends, and a wire 5 is wound around the winding drum portion 4.
- the chip coil C as shown in FIG. 4 is manufactured.
- the axis of the core 1 is the X axis
- the vertical axis is the Z axis
- the axis orthogonal to the X axis and the Z axis is the Y axis.
- both end portions 5 a and 5 b of the wire 5 are drawn in the Y-axis direction to the back surface side of one collar portion 3 and soldered to an electrode (not shown).
- the winding device generally includes a core chuck 10, a spindle chuck 20, a rotary drive mechanism 26 that rotates the spindle chuck 20 around the X axis, a linear drive mechanism 31 that moves the spindle chuck 20 in the X axis direction, and a wire 5. It is comprised with the wire supply mechanism 40 to supply.
- the core chuck 10 includes a pair of chuck claws 11 and 12 that chuck the collar portion 2 of the core 1 in the Z-axis direction.
- one chuck claw 11 is a fixed claw
- the other chuck claw 12 is a movable claw that moves in a direction opposite to the fixed claw, but may be configured by a pair of movable claws.
- the inner surface 11a of the chuck claw 11 is a reference surface in the Z direction.
- the chuck nail 11 on the fixed side is provided with a support portion 11b that supports the bottom surface of the collar portion 2 of the core 1, and a suction hole 13 for air suction of the core 1 is formed in the support portion 11b.
- the chuck claw 11 is attached to the supply member 16 via a bearing 15, so that the chuck claw 11 is rotatable about the X axis.
- the movable chuck claw 12 is attached to the supply member 16 so as to be rotatable about a shaft 12a and to be opened and closed in the Z direction by an opening / closing mechanism (not shown).
- the supply member 16 is moved to convey the core 1 between the core supply / removal position and the winding position shown in FIG.
- the movable side chuck claw 12 is attached to the supply member 16, and the chuck claw 12 does not rotate integrally with the fixed side chuck claw 11, but the chuck claw 12 rotates integrally with the chuck claw 11. 11 may be attached.
- the spindle chuck 20 is disposed so as to face the core chuck 10, and the spindle chuck 20 and the core chuck 10 are adjusted in advance so that their rotation centers coincide with each other according to mechanical accuracy.
- the spindle chuck 20 includes a pair of chuck claws 21 and 22 that chuck the collar portion 3 of the core 1 in the Y-axis direction.
- one chuck claw 21 is a fixed claw
- the other chuck claw 22 is a movable claw that moves in a direction opposite to the fixed claw, but may be constituted by a pair of movable claws.
- the inner surface 21 a of the chuck claw 21 is a reference surface in the Y direction, and the bottom surface 21 b of the chuck claw 21 is a support surface that supports the bottom surface of the collar portion 3 of the core 1.
- the movable chuck claw 22 is attached to the fixed claw 21 together with an opening / closing mechanism (not shown).
- a cutting blade 23 is incorporated as shown in FIG.
- the cutting blade 23 has a function of cutting the wire 5 in cooperation with a wire chuck 42 described later.
- a rotation shaft 24 extending in the X-axis direction is connected to the chuck claw 21, and this rotation shaft 24 is connected to a drive shaft 26 a of a motor (rotation drive mechanism) 26 via a coupling 25.
- the coupling 25 transmits rotational force between both shafts, but is slidable in the axial direction.
- An intermediate portion of the rotating shaft 24 is rotatably supported by a bearing holder 28 having a bearing 27, and the bearing holder 28 is supported by a slider 29 so as to be slidable in the X-axis direction.
- the bearing holder 28 is connected to a cylinder (linear drive mechanism) 31, and by driving the cylinder 31, the bearing holder 28 and the rotary shaft 24 can be reciprocated integrally in the X-axis direction.
- a compression spring 32 is inserted around the rotary shaft 24, and this spring 32 is disposed between the spindle chuck 20 and the bearing holder 28 and urges the spindle chuck 20 in a direction facing the core chuck 10. is doing.
- a stopper 33 is fixed to the rear side of the bearing holder 28 of the rotary shaft 24, and the amount of protrusion of the spindle chuck 20 from the bearing holder 28 is defined by the stopper 33 coming into contact with the bearing holder 28.
- the wire supply mechanism 40 includes a wire nozzle 41 that guides the wire 5 and a wire chuck 42 that chucks / opens the wire 5.
- a wire 5 is continuously supplied to the wire nozzle 41 from a wire supply source (not shown).
- Actuating mechanisms 43 and 44 are connected to the wire nozzle 41 and the wire chuck 42, respectively, to move in three axial directions. The starting end of the wire 5 is chucked by the wire chuck 42, and the wire 5 stretched between the wire nozzle 41 and the wire chuck 42 is positioned in advance on the back side of the collar portion 3 of the core 1.
- the wire 5 when chucking the flange portion 3 of the core 1, the wire 5 is sandwiched between the support surface 21 b of the spindle chuck 20 and the flange portion 3 of the core 1. In this state, the wire 5 can be torn off by the cutting blade 23 by moving the wire chuck 42 in the X-axis direction. Even when the end portion of the wire 5 is processed after the wire 5 is wound around the core 1, the wire 5 is sandwiched between the support surface 21 b of the spindle chuck 20 and the collar portion 3 of the core 1. By moving 42 in the X-axis direction, the wire 5 can be torn by the cutting blade 23.
- the chuck direction of the core chuck 10 and the chuck direction of the spindle chuck 20 are the same direction (Z direction), but are actually orthogonal.
- the core 1 is supplied to a position facing the spindle chuck 20 in a state where the collar portion 2 of the core 1 is chucked in the Z direction by the core chuck 10 as shown in FIG.
- the core chuck 10 may hold the core 1 by air suction.
- the wire nozzle 41 and the wire chuck 42 set the starting line portion of the wire 5 at a predetermined position on the back surface of the collar portion 3 of the core 1.
- the spindle chuck 20 is advanced along the X-axis, and the wire 5 is sandwiched between the support surface 21 b of the spindle chuck 20 and the collar portion 3 of the core 1. At this time, it is desirable that the wire 5 is sandwiched between the cutting blade 23 built in the spindle chuck 20 and the collar portion 3.
- the core chuck 10 is opened and the core 1 is chucked in the Y direction by the spindle chuck 20 to position the Y direction.
- the air suction of the core chuck 10 is continued, and the core 1 is prevented from being displaced while the core 1 is gripped from the core chuck 10 to the spindle chuck 20. Since the core 1 is positioned in the Z direction by the core chuck 10 and then positioned in the Y direction by the spindle chuck 20, the core 1 is accurately positioned so that the axis of the core 1 is coaxial with the X axis. From this state, the wire chuck 42 is moved so that the wire 5 comes into contact with the cutting blade 23 built in the spindle chuck 20, and the starting line portion of the wire 5 is cut.
- the spindle chuck 20 is rotationally driven to wind the wire 5 around the core 1.
- the core chuck 10 rotates following the rotational driving force of the spindle chuck 20. Since the core 1 is held by air suction of the core chuck 10 and is pressed in the X direction by the pressing force of the spindle chuck 20, the core 1 is wound in a state where both ends are supported. Therefore, even if the tension of the wire 5 acts, the inclination of the core 1 with respect to the rotation axis can be suppressed, and the shake of the core 1 can be suppressed.
- the spindle 1 After the winding of the core 1 to the winding drum, the spindle 1 is chucked by the core chuck 10 as the spindle chuck 20 is opened, and the spindle chuck 20 is moved backward as shown in FIG.
- the spindle chuck 20 is advanced again, and the wire chuck is held with the end portion of the wire 5 sandwiched between the support surface 21b of the spindle chuck 20 and the flange portion 3 of the core 1. 42 is moved in the X-axis direction, and the end portion of the wire 5 is cut by the cutting blade 23.
- the spindle chuck 20 is opened and retracted, and the wound core 1 (chip coil C) chucked by the core chuck 10 is conveyed to another take-out position.
- the core 1 is positioned in the Z direction by the core chuck 10 and the core 1 is positioned in the Y direction by the spindle chuck 20.
- the chuck directions of the core chuck 10 and the spindle chuck 20 are orthogonal to each other.
- it is not limited to the Z direction and the Y direction.
- the winding device shown in FIG. 1 is merely an example, and various modifications can be made.
- the core chuck 10 only the fixed claw 11 is rotatable about the X axis, and the movable claw 12 is attached to the supply member 16 that does not rotate.
- the movable claw 12 is attached to the fixed claw 11, 1 may be rotatable around the X axis.
- the core chuck 10 may be chucked in the Y direction as well as being pressed against the flange portion 2 of the core 1 when the wire 5 is wound.
- the cylinder 31 is used as means for linearly driving the spindle chuck 20 in the X-axis direction, a motor and a ball screw mechanism may be used, and other linear motion mechanisms may be used.
- the core 1 to which the present invention is applied is not limited to the structure shown in FIG. 2, but may be any one having a reference surface in an orthogonal direction at both ends and a winding body for winding a wire between them. .
- the cutting blade is built in the spindle chuck, but a movable cutting blade may be provided separately from the spindle chuck. In that case, it is not necessary to move the wire chuck and press the wire against the cutting blade and tear it off, and the wire stretched between the wire nozzle and the wire chuck can be cut with the cutting blade.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coil Winding Methods And Apparatuses (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
2,3 つば部(両端部)
4 巻胴部
5 ワイヤ
10 コアチャック
11 チャック爪(固定側)
11b 支持面
12 チャック爪(可動側)
13 吸引孔
20 スピンドルチャック
21 チャック爪(固定側)
21b 支持面
22 チャック爪(可動側)
23 カット刃
24 回転軸
26 モータ(回転駆動機構)
31 シリンダ(直線駆動機構)
32 スプリング
40 ワイヤ供給機構
41 ワイヤノズル
42 ワイヤチャック
43,44 作動機構
Claims (5)
- コアの両端部の間に形成された巻胴部にワイヤを巻線する巻線方法において、
コアチャックでコアの一端部を第1軸方向にチャックしてコアを供給する第1工程と、
前記コアチャックでコアの一端部をチャックした状態で、前記コアチャックに対して対向方向からスピンドルチャックをコアの他端部に押しつけ、コアを両側から挟持する第2工程と、
前記コアを挟持した状態で、前記コアチャックによるコアのチャックを開放すると共に、前記スピンドルチャックでコアの他端部を第1軸と直交する第2軸方向にチャックする第3工程と、
前記コアを挟持した状態で、前記コアに対してワイヤを供給しながら、第1軸及び第2軸に対して直交する第3軸回りに前記スピンドルチャックを回転させると共に、前記コアチャックを第3軸と同軸回りに追随回転させて、前記コアの巻胴部にワイヤを巻回する第4工程と、を有することを特徴とする巻線方法。 - コアの両端部の間に形成された巻胴部にワイヤを巻線する巻線装置において、
前記コアの一端部を第1軸方向にチャックすると共に、チャック部の間にコアの一端面を支持する支持部を有し、第1軸に対して直交する第3軸を中心として回転自在なコアチャックと、
前記コアチャックと対峙して配置され、前記コアの他端部を第1軸に対して直交する第2軸方向にチャックするスピンドルチャックと、
前記スピンドルチャックを前記コアチャックとの対向方向に移動させる移動機構と、
前記第3軸と同軸回りにスピンドルチャックを回転駆動する回転駆動機構と、
前記ワイヤを供給するワイヤ供給機構と、
前記コアチャックでコアの一端部を第1軸方向にチャックしてコアを供給する第1工程と、前記コアチャックでコアの一端部をチャックした状態で、前記コアチャックに対して対向方向からスピンドルチャックをコアの他端部に押しつけ、コアを両側から挟持する第2工程と、前記コアを挟持した状態で、前記コアチャックによるコアのチャックを開放すると共に、前記スピンドルチャックでコアの他端部を第1軸と直交する第2軸方向にチャックする第3工程と、前記コアを挟持した状態で、前記コアに対してワイヤを供給しながら、第1軸及び第2軸に対して直交する第3軸回りに前記スピンドルチャックを回転させると共に、前記コアチャックを第3軸と同軸回りに追随回転させて、前記コアの巻胴部にワイヤを巻回する第4工程と、を順次実施する制御手段と、を備えたことを特徴とする巻線装置。 - 前記ワイヤ供給機構は、前記ワイヤを案内するワイヤノズルと、前記ワイヤをチャックするワイヤチャックと、これらワイヤノズルとワイヤチャックとをそれぞれ3軸方向に移動させる作動機構と、を備えたことを特徴とする請求項2に記載の巻線装置。
- 前記スピンドルチャックは、前記ワイヤの端部をカットするためのカット刃を内蔵しており、
前記作動機構は、前記ワイヤチャックによってチャックされたワイヤを前記スピンドルチャックのカット刃に押しつけ、ワイヤを引きちぎるように前記ワイヤチャックを作動させることを特徴とする請求項3に記載の巻線装置。 - 前記スピンドルチャックの移動機構には、前記スピンドルチャックのコアに対する押圧力を規定するスプリングが設けられていることを特徴とする請求項2乃至4のいずれかに記載の巻線装置。
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CN2010800130310A CN102362323B (zh) | 2009-03-27 | 2010-01-13 | 电子元件的绕线方法及绕线装置 |
JP2011505906A JP5206865B2 (ja) | 2009-03-27 | 2010-01-13 | 電子部品の巻線方法及び装置 |
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JP2012080037A (ja) * | 2010-10-06 | 2012-04-19 | Nittoku Eng Co Ltd | コイル巻線装置及びコイル巻線方法 |
JP2013118282A (ja) * | 2011-12-02 | 2013-06-13 | Nittoku Eng Co Ltd | 有芯コイルの巻線装置 |
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JP2015005723A (ja) * | 2013-06-21 | 2015-01-08 | 萬潤科技股▲ふん▼有限公司 | コイルの巻線方法及びその装置(巻線機) |
CN104505255A (zh) * | 2014-12-31 | 2015-04-08 | 上海交通大学 | 三维线圈绕制夹具及其绕制方法 |
WO2016155969A3 (de) * | 2015-03-27 | 2016-11-24 | Epcos Ag | Induktives bauelement sowie verfahren zur herstellung eines induktiven bauelements |
US10580562B2 (en) | 2015-03-27 | 2020-03-03 | Epcos Ag | Inductive component and method for producing an inductive component |
CN105374550A (zh) * | 2015-09-21 | 2016-03-02 | 东莞市颐特电子有限公司 | 一种贴片电感器自动绕线机 |
JP2023046380A (ja) * | 2021-09-23 | 2023-04-04 | 萬潤科技股▲ふん▼有限公司 | コアの対頂方法、対頂機構、クランプモジュール及び巻線装置 |
CN114783765A (zh) * | 2022-05-09 | 2022-07-22 | 深圳市合力士机电设备有限公司 | 一种共模电感绕线装置 |
CN114783765B (zh) * | 2022-05-09 | 2023-07-18 | 深圳市合力士机电设备有限公司 | 一种共模电感绕线装置 |
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JPWO2010109930A1 (ja) | 2012-09-27 |
JP5206865B2 (ja) | 2013-06-12 |
CN102362323B (zh) | 2013-05-15 |
MY158716A (en) | 2016-11-15 |
CN102362323A (zh) | 2012-02-22 |
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