JP2661003B2 - Bobbin for inductance and its winding method - Google Patents
Bobbin for inductance and its winding methodInfo
- Publication number
- JP2661003B2 JP2661003B2 JP4125701A JP12570192A JP2661003B2 JP 2661003 B2 JP2661003 B2 JP 2661003B2 JP 4125701 A JP4125701 A JP 4125701A JP 12570192 A JP12570192 A JP 12570192A JP 2661003 B2 JP2661003 B2 JP 2661003B2
- Authority
- JP
- Japan
- Prior art keywords
- bobbin
- winding
- holder
- hole
- inductance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Insulating Of Coils (AREA)
- Coil Winding Methods And Apparatuses (AREA)
- Coils Of Transformers For General Uses (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は小型のインダクタンス部
品に用いられるボビンとその巻線方法に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bobbin used for a small inductance component and a method of winding the bobbin.
【０００２】[0002]
【従来の技術とその課題】コイルやトランスのボビンに
自動巻線機で線材を巻回するには、通常、ボビンの巻軸
の孔に巻線機のチャックを差し込んで固定し、このチャ
ックを回転することによって行っている。ボビンへの巻
線の前後には、線材の端末を端子に巻きつけてから線材
の不要な端の部分を切断する必要があるが、端子の部分
できれいに切るために、線材を強く引っ張って切る切断
方法が一般に採られている。ところが、巻線部品の小型
化に伴ってボビンの肉厚が薄くなってきたため、端子に
巻きつけた線材の端末を強く引いて切断するときに、ボ
ビンが変形したり亀裂を生じたりする問題があった。2. Description of the Related Art In order to wind a wire around a bobbin of a coil or a transformer by an automatic winding machine, usually, a chuck of the winding machine is inserted into a hole of a bobbin winding shaft and fixed. This is done by rotating. Before and after winding on the bobbin, it is necessary to wind the end of the wire around the terminal and then cut off the unnecessary end of the wire, but in order to cut it neatly at the terminal, pull the wire strongly. A cutting method is generally adopted. However, as the thickness of the bobbin has become thinner with the miniaturization of the winding parts, the problem that the bobbin is deformed or cracked when the terminal of the wire wound around the terminal is strongly pulled and cut. there were.
【０００３】[0003]
【発明の目的】本発明は、薄型化してもチャックにしっ
かり保持でき、線材を切断するときの歪みや亀裂の発生
を防止できるインダクタンス用ボビンと、このボビンへ
の巻線方法を提供することを目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide an inductance bobbin which can be firmly held on a chuck even if it is made thinner and can prevent the occurrence of distortion and cracks when cutting a wire, and a method of winding the bobbin. Aim.
【０００４】[0004]
【課題を解決するための手段】本発明は、側面に複数の
端子を植設したベース部とベース部から上方に突出した
円筒形の巻軸とを具え、ベース部の上端面が下鍔を兼ね
た構造のインダクタンス用ボビンにおいて、この上端面
よりも低い複数の支持部を、上端面の周囲のベース部に
一体に形成した構成を特徴とする。また、本発明は、長
手方向の軸心に貫通孔を有しこの軸を中心に回転可能な
ホルダーと、この貫通孔の中を軸方向に移動自在で且つ
ホルダーと共に回転可能なセンターピンと、ホルダーの
外側に取付けられ先端に内側への複数の突出部を有する
クランパーとを具えた巻線機のチャックを用い、ボビン
をホルダーの先端に載置し、センターピンの先端部を巻
軸の孔の中に挿入して、クランパーの突出部とホルダー
の間に前記ボビンの支持部を挟んで保持し、このチャッ
クを回転してボビンの巻軸に巻線を施す巻線方法を特徴
とする。According to the present invention, there is provided a base having a plurality of terminals implanted on a side surface thereof and a cylindrical winding shaft protruding upward from the base, wherein an upper end surface of the base has a lower flange. In the inductance bobbin having a combined structure, a plurality of support portions lower than the upper end surface are formed integrally with a base portion around the upper end surface. The present invention also provides a holder having a through hole in the longitudinal axis thereof and rotatable around the axis, a center pin which is movable in the through hole in the axial direction and is rotatable together with the holder, The bobbin is placed on the tip of the holder using the chuck of the winding machine equipped with a clamper having a plurality of inward projections attached to the tip of the bobbin. The bobbin support portion is inserted and held between the projecting portion of the clamper and the holder, and the bobbin support portion is held between the protruding portion and the holder.
【０００５】[0005]
【実施例】図１〜図２は本発明によるボビンを薄型の高
周波昇圧トランスに適用した場合の一実施例を示すもの
で、図１はトランス要部の分解斜視図、図２はその正面
断面図である。プラスチックからなる下ボビン10は、対
向する二側面に複数の端子20を植設したベース部11と、
ベース部11から上方に突出した円筒形の巻軸12を備えて
おり、巻軸12の上端には鍔13を設けてある。ベース部11
の上端面11ａは、ほぼ円形の平坦面になされていて、巻
軸12は上端面11ａの中央に一体に形成され、巻軸12の中
には貫通孔17が設けられている。ベース部11の四隅の突
き出た部分には、上面を切欠して段部18を形成すること
によって上端面11ａよりも低い位置に支持部19が設けて
ある。また、上端面11ａから段部18に至る部分には、次
第に低くなるようなテーパーを形成してある。図２から
明らかなように端子20は、その先端の下面が下ボビン10
の下端と同じ水平位置になるように横方向に延ばして面
付け型に成形してある。ベース部11の端子20を植設した
側の二側面の中央には、それぞれ巻軸12付近まで達する
スリット14、及びスリット15が設けてある。1 and 2 show an embodiment in which a bobbin according to the present invention is applied to a thin high-frequency step-up transformer. FIG. 1 is an exploded perspective view of a main part of the transformer, and FIG. FIG. A lower bobbin 10 made of plastic has a base portion 11 in which a plurality of terminals 20 are planted on two opposing side surfaces,
A cylindrical winding shaft 12 protruding upward from the base portion 11 is provided, and a flange 13 is provided at an upper end of the winding shaft 12. Base part 11
The upper end surface 11a is formed in a substantially circular flat surface, the winding shaft 12 is integrally formed at the center of the upper end surface 11a, and a through hole 17 is provided in the winding shaft 12. A support portion 19 is provided at a position lower than the upper end surface 11a by forming a stepped portion 18 by notching the upper surface at the protruding portions of the four corners of the base portion 11. A taper is formed in a portion from the upper end surface 11a to the step portion 18 so as to gradually become lower. As is apparent from FIG. 2, the lower surface of the terminal 20 has a lower bobbin 10
It is extended in the lateral direction so as to be at the same horizontal position as the lower end of the frame, and formed into an imposition mold. A slit 14 and a slit 15 are provided at the center of the two side surfaces of the base portion 11 on which the terminals 20 are implanted, respectively, reaching the vicinity of the winding shaft 12.
【０００６】上ボビン30は円筒形の巻軸32と鍔33を備え
ており、巻軸32の下端には鉤状の係止片36が設けてあ
る。巻軸32の貫通孔31は下ボビン10の鍔13の直径よりも
大きく形成されている。ベース部11には、係止片36に対
応させてスリット14、15と交差する位置にそれぞれ溝16
を形成してある。上ボビン30は巻軸32の貫通孔31の中に
巻軸12を挿入しながら係止片36を溝16の中に差込み、下
ボビン10に嵌め込んで固定してある。そして、図２に示
すように、下ボビン10の巻軸12には低圧側の内側巻線40
を巻回し、内側巻線40の外側に位置する巻軸32には、高
圧側の外側巻線50を巻軸12の中心軸に直交する方向に多
層に巻き重ねてある。ベース部11の上端面11ａは、二つ
の巻軸12、32の下鍔を兼ねており、内側巻線40と外側巻
線50の下面に接している。The upper bobbin 30 has a cylindrical winding shaft 32 and a flange 33, and a hook-shaped locking piece 36 is provided at the lower end of the winding shaft 32. The through hole 31 of the winding shaft 32 is formed to be larger than the diameter of the flange 13 of the lower bobbin 10. The base part 11 has grooves 16 at positions intersecting the slits 14 and 15 corresponding to the locking pieces 36, respectively.
Is formed. The upper bobbin 30 is inserted into the groove 16 while inserting the reel 12 into the through hole 31 of the reel 32, and is fixed by being fitted into the lower bobbin 10. As shown in FIG. 2, the lower winding inner winding 40 is attached to the winding shaft 12 of the lower bobbin 10.
The outer winding 50 on the high voltage side is wound in multiple layers around the winding shaft 32 located outside the inner winding 40 in a direction perpendicular to the center axis of the winding shaft 12. The upper end surface 11a of the base portion 11 also serves as the lower flange of the two winding shafts 12, 32, and is in contact with the lower surfaces of the inner winding 40 and the outer winding 50.
【０００７】図示は省略してあるが、内側巻線40のリー
ド線は一方のスリット14を通して引き出し、下ボビン10
の一方の側面に植設された端子20に接続してある。外側
巻線50のリード線は他方のスリット15を通して引き出
し、下ボビン10の他方の側面に植設された端子20に接続
してある。一対の磁性体コア60、70は、下ボビン10を上
下方向から挟んで互いに突き合わされて閉磁路を形成し
ている。上側のコア60は平板形、下側のコア70は断面Ｅ
形をしている。下側のコア70は、平板部71とその両端に
一体に形成された外脚72、及び平板部71の中央に一体に
形成された円柱形の中央脚73を具えており、中央脚73は
巻軸12の貫通孔17に挿入されている。Although not shown, the lead wire of the inner winding 40 is pulled out through one slit 14, and the lower bobbin 10
Is connected to a terminal 20 implanted on one side of the terminal. The lead wire of the outer winding 50 is drawn through the other slit 15 and connected to the terminal 20 implanted on the other side surface of the lower bobbin 10. The pair of magnetic cores 60, 70 abut each other with the lower bobbin 10 sandwiched from above and below to form a closed magnetic path. The upper core 60 is a flat plate, and the lower core 70 is a section E.
It is shaped. The lower core 70 includes a flat plate portion 71 and outer legs 72 integrally formed at both ends thereof, and a cylindrical central leg 73 integrally formed at the center of the flat plate portion 71. It is inserted into the through hole 17 of the winding shaft 12.
【０００８】図３は自動巻線機のチャックに下ボビン10
を装着した状態を示す側面断面図、図４はその平面図で
ある。このチャックは、図６のように長手方向の軸心に
貫通孔81を有し、この軸を中心に回転可能なホルダー80
と、ホルダー80の外側に被せるようにして取付けられた
クランパー90と、貫通孔81の中を軸方向に移動自在で且
つホルダー80と共に回転可能なセンターピン85とを具え
ている。FIG. 3 shows a lower bobbin 10 attached to a chuck of an automatic winding machine.
FIG. 4 is a plan view showing a state in which is attached. This chuck has a through hole 81 in the longitudinal axis as shown in FIG. 6, and a holder 80 rotatable about this axis.
And a clamper 90 attached so as to cover the outside of the holder 80, and a center pin 85 which can move axially in the through hole 81 and can rotate with the holder 80.
【０００９】クランパー90の先端には内側に突き出た複
数の突出部91を設け、側面には上下方向に長い孔92を形
成してあり、ホルダー80の上端には対向する位置に切欠
部82を設けてある。図３のように、クランパー90の下端
には環状のネジ96を取付け、スプリング95によってクラ
ンパー90全体をホルダー80に対して図で下方に付勢して
ある。ホルダー80に固定したピン97をクランパー90の側
面の孔92に係合することにより、クランパー90がホルダ
ー80の回りを回転しないようにしてある。クランパー90
の下方には、クランパー90に当接可能な押圧板98を上下
動自在に設けてある。A plurality of protrusions 91 projecting inward are provided at the tip of the clamper 90, and a vertically long hole 92 is formed on the side surface, and a notch 82 is formed at the upper end of the holder 80 at an opposite position. It is provided. As shown in FIG. 3, an annular screw 96 is attached to the lower end of the clamper 90, and the entire clamper 90 is urged downward by a spring 95 against the holder 80 in the figure. By engaging a pin 97 fixed to the holder 80 with a hole 92 on the side surface of the clamper 90, the clamper 90 is prevented from rotating around the holder 80. Clamper 90
Below this, a pressing plate 98 that can contact the clamper 90 is provided to be vertically movable.
【００１０】この自動巻線機のチャックを用いて前述の
下ボビン10及び上ボビン30に巻線を施すには次のように
して行う。まず、図３のように押圧板98を上方向に移動
してスプリング95を圧縮しながらクランパー90を上昇さ
せ、開いた突出部91とホルダー80との間に下ボビン10を
横方向から装着する。次に、センターピン85を上昇させ
て、その先端を下ボビン10の貫通孔17に挿入する。次い
で、図５のように押圧板98を下降させると、下ボビン10
の支持部19はホルダー80の上面と突出部91の間に挟ま
れ、スプリング95の力で保持される。このとき、突出部
91の上面がベース部11の上端面11ａよりも低い位置にな
るように、支持部19の肉厚や突出部91の厚みは選ばれて
いる。また、線材５を端子20に巻きつける作業を妨げな
いように、端子20の下方にはホルダー80の切欠部82が位
置している。The winding of the lower bobbin 10 and the upper bobbin 30 using the chuck of the automatic winding machine is performed as follows. First, as shown in FIG. 3, the clamp plate 90 is moved upward while the pressing plate 98 is moved upward to compress the spring 95, and the lower bobbin 10 is mounted between the opened protrusion 91 and the holder 80 from the lateral direction. . Next, the center pin 85 is raised and its tip is inserted into the through hole 17 of the lower bobbin 10. Next, when the pressing plate 98 is lowered as shown in FIG.
The supporting portion 19 is sandwiched between the upper surface of the holder 80 and the projecting portion 91 and is held by the force of the spring 95. At this time, the protrusion
The thickness of the support portion 19 and the thickness of the protruding portion 91 are selected so that the upper surface of the base 91 is lower than the upper end surface 11a of the base portion 11. A notch 82 of the holder 80 is located below the terminal 20 so as not to hinder the operation of winding the wire 5 around the terminal 20.
【００１１】この状態で、線材５の一端を所定の端子20
に巻きつけた後、下ボビン10をクランパー90及びホルダ
ー80、センターピン85と共に回転して巻軸12に内側巻線
40を巻回する。そして、線材５の巻き終わりの端末を、
端子20に巻きつけてから強く緊張させて切断する。さら
に、上ボビン30を下ボビン10に固定した後、同様に線材
５の端末処理を行い、チャックを回転させて巻軸32に外
側巻線50を巻回すればよい。In this state, one end of the wire 5 is connected to a predetermined terminal 20.
After winding the lower bobbin 10 together with the clamper 90, the holder 80 and the center pin 85, the lower bobbin 10 is wound inside the winding shaft 12.
Wind 40. And the terminal at the end of winding of the wire 5
After winding it around the terminal 20, cut it with strong tension. Furthermore, after the upper bobbin 30 is fixed to the lower bobbin 10, the terminal processing of the wire 5 is similarly performed, and the outer winding 50 is wound around the winding shaft 32 by rotating the chuck.
【００１２】[0012]
【発明の効果】本発明によるボビンは、ベース上端面よ
りも低く形成した複数の支持部を一体に設けたので、小
型化、薄型化してもチャックにしっかり保持でき、巻線
が容易に行える特長がある。また、本発明による巻線方
法によれば、ボビンのベース部の周囲に設けた支持部を
クランパーによって精度よく固定でき、端子に巻きつけ
た線材の端末を切断するとき、薄型のボビンに歪みや亀
裂が発生するのを防止できる効果がある。According to the bobbin of the present invention, a plurality of supporting portions formed lower than the upper end surface of the base are integrally provided, so that the bobbin can be firmly held on the chuck even if the size and thickness are reduced, and the winding can be easily performed. There is. Further, according to the winding method of the present invention, the support provided around the base of the bobbin can be accurately fixed by the clamper, and when the terminal of the wire wound around the terminal is cut, the thin bobbin may be distorted. This has the effect of preventing the occurrence of cracks.
【図１】 本発明に係るトランスの一実施例を示す要部
の分解斜視図FIG. 1 is an exploded perspective view of a main part showing an embodiment of a transformer according to the present invention.
【図２】 同トランスの正面断面図FIG. 2 is a front sectional view of the transformer.
【図３】 チャックにボビンを装着した状態を示す側面
断面図FIG. 3 is a side sectional view showing a state where a bobbin is mounted on a chuck.
【図４】 同、平面図FIG. 4 is a plan view of the same.
【図５】 巻線工程の説明図FIG. 5 is an explanatory view of a winding step.
【図６】 チャックの要部の分解斜視図FIG. 6 is an exploded perspective view of a main part of the chuck.
10 ボビン 11 ベース部 11ａ 上端面 12 巻軸 19 支持部 80 ホルダー 81 貫通孔 85 センターピン 90 クランパー 91 突出部 10 bobbin 11 base part 11a upper end face 12 reel 19 support part 80 holder 81 through hole 85 center pin 90 clamper 91 projecting part
Claims (2)
該ベース部から上方に突出した円筒形の巻軸とを具え、
ベース部の上端面が下鍔を兼ねているインダクタンス用
ボビンにおいて、上面を切欠して該上端面よりも低く形
成した複数の支持部を、上端面の周囲のベース部に一体
に設けたことを特徴とするインダクタンス用ボビン。A base portion having a plurality of terminals implanted on a side surface thereof; and a cylindrical winding shaft protruding upward from the base portion.
In the inductance bobbin in which the upper end surface of the base portion also serves as the lower flange, a plurality of support portions formed by cutting the upper surface and being formed lower than the upper end surface are provided integrally with the base portion around the upper end surface. Features a bobbin for inductance.
心に回転可能なホルダーと、該貫通孔の中を軸方向に移
動自在で且つホルダーと共に回転可能なセンターピン
と、ホルダーの外側に取付けられ先端に内側への複数の
突出部を有するクランパーとを具えた巻線機のチャック
を用い、ボビンをホルダーの先端に載置して、センター
ピンの先端部を巻軸の孔の中に挿入し、且つクランパー
の突出部とホルダーの間に前記ボビンの支持部を挟んで
保持し、該チャックを回転してボビンの巻軸に巻線を施
すことを特徴とする請求項１のインダクタンス用ボビン
の巻線方法。2. A holder having a through hole in a longitudinal axis thereof and rotatable about the axis, a center pin movable in the axial direction in the through hole and rotatable with the holder, A bobbin is mounted on the tip of the holder using a chuck of a winding machine having a clamper having a plurality of inward protrusions attached to the outside at the tip, and the tip of the center pin is inserted into the hole of the reel. 2. A bobbin winding is wound around the bobbin by rotating the chuck while holding the bobbin support between the protrusion of the clamper and the holder. The winding method of the bobbin for inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4125701A JP2661003B2 (en) | 1992-04-17 | 1992-04-17 | Bobbin for inductance and its winding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4125701A JP2661003B2 (en) | 1992-04-17 | 1992-04-17 | Bobbin for inductance and its winding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05299267A JPH05299267A (en) | 1993-11-12 |
| JP2661003B2 true JP2661003B2 (en) | 1997-10-08 |
Family
ID=14916582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4125701A Expired - Fee Related JP2661003B2 (en) | 1992-04-17 | 1992-04-17 | Bobbin for inductance and its winding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2661003B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494062A (en) * | 2018-11-19 | 2019-03-19 | 东莞市奥海科技股份有限公司 | The transformer framework and its application method for preventing winding leads from intersecting |
| CN110270648B (en) * | 2019-05-23 | 2020-12-01 | 莆田城厢振达宸贸易有限公司 | Pin shearing machine for transformer |
-
1992
- 1992-04-17 JP JP4125701A patent/JP2661003B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05299267A (en) | 1993-11-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3958328A (en) | Method of making a transformer coil assembly | |
| JP2661003B2 (en) | Bobbin for inductance and its winding method | |
| US6809622B2 (en) | Coil Device | |
| JP2720276B2 (en) | Bobbin holding part of automatic winding machine and bobbin holding method | |
| JPH07263261A (en) | Inductance element, manufacture of inductance element and core case used for the inductance element | |
| JPH0737287Y2 (en) | Core for small winding parts | |
| JP2720277B2 (en) | Bobbin holding method of automatic winding machine | |
| JPH0648662B2 (en) | Common mode choke coil and method of manufacturing the same | |
| JP2581383B2 (en) | Winding core forming method | |
| JPS5943686Y2 (en) | Winding frame for aligned winding | |
| EP0871184A1 (en) | Coil bobbin and winding jig for use in forming a wound coil and method of winding a wire on the coil bobbin | |
| JPS584168Y2 (en) | High frequency coil device | |
| JP3381441B2 (en) | Manufacturing method of coil parts | |
| JPH0226769B2 (en) | ||
| JP3434343B2 (en) | Choke coil and manufacturing method thereof | |
| JP2581328B2 (en) | Method of manufacturing wire-wound inductance component | |
| JPH024125B2 (en) | ||
| KR900009578Y1 (en) | Flyback transformer | |
| JP2569440Y2 (en) | Common mode choke coil | |
| JPH0145732B2 (en) | ||
| JPS583550A (en) | Manufacture of coreless armature | |
| JPH0124902Y2 (en) | ||
| JPS62140402A (en) | Spool | |
| JPS58199509A (en) | Manufacture of parts for electrical coil-winding device | |
| JPS6112650Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |