JP4522922B2 - Clamper with cutter - Google Patents

Clamper with cutter Download PDF

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JP4522922B2
JP4522922B2 JP2005220184A JP2005220184A JP4522922B2 JP 4522922 B2 JP4522922 B2 JP 4522922B2 JP 2005220184 A JP2005220184 A JP 2005220184A JP 2005220184 A JP2005220184 A JP 2005220184A JP 4522922 B2 JP4522922 B2 JP 4522922B2
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wire
clamper
rod
spring
holder
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JP2007036087A (en
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裕一 西場
貴幸 福島
寛之 青木
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Toko Inc
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Toko Inc
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism

Description

本発明は、高周波コイル等の巻線部品の製造に用いられる自動巻線機に係り、特に、ワイヤを切断すると同時にその一端を挟んで保持するカッター付きクランパーに関するものである。   The present invention relates to an automatic winding machine used for manufacturing a winding component such as a high-frequency coil, and more particularly to a clamper with a cutter that holds a wire at one end while cutting the wire.

特許文献１に記載されているように、ノズルの貫通孔からワイヤを供給するワイヤノズルとリードフレームを利用してコイルを製造する方法が知られている。これは、その第２図に示されているように、突出部４や突起部６を設けたリードフレームに、複数の磁芯１を一列に並べて固定した後、ワイヤを突起部６に巻き付けたり、突出部４に引っ掛けたりしながら、１本のワイヤノズルによって各磁芯１に連続的に巻線を施すものである。   As described in Patent Document 1, a method of manufacturing a coil using a wire nozzle and a lead frame for supplying a wire from a through hole of a nozzle is known. As shown in FIG. 2, a plurality of magnetic cores 1 are arranged in a line on a lead frame provided with a protrusion 4 and a protrusion 6, and then a wire is wound around the protrusion 6. The windings are continuously wound around the magnetic cores 1 by one wire nozzle while being hooked on the protrusion 4.

この場合、一つのリードフレームに対する巻線工程を終えて次のリードフレームの巻線工程に移るためには、いったんワイヤを切断しなければならない。すなわち、第１のリードフレームへの巻線が終了した時点で、例えば本願の図７に示すように最後の突起部６とワイヤノズル２の間に張り渡されている部分のワイヤ５をカッター７で切断し、同時にワイヤノズル２側のワイヤ５ａをクランパー８で保持する必要がある。ワイヤ５を切断する方法としては、カッター７を用いることなく、特許文献２に記載されているようなワイヤを強く緊張させて切断する、いわゆる引っ張り切りの方法も従来行われている。
特公平４−７４８４６号公報 特開平８−２２２４６６号公報 In this case, in order to finish the winding process for one lead frame and move to the winding process for the next lead frame, the wire must be cut once. That is, when the winding to the first lead frame is completed, for example, as shown in FIG. 7 of the present application, the portion of the wire 5 stretched between the last protrusion 6 and the wire nozzle 2 is cut by the cutter 7. It is necessary to hold the wire 5a on the wire nozzle 2 side with the clamper 8 at the same time. As a method for cutting the wire 5, a so-called tension cutting method in which the wire is strongly tensioned and cut without using the cutter 7 is also conventionally performed.
Japanese Patent Publication No. 4-74846 JP-A-8-222466

図８は、ワイヤノズル２とクランパー８を共通の基板９に取付けた従来の巻線ヘッドを示している。このような巻線ヘッドを備えた巻線機において、従来のカッターや引っ張り切りによるワイヤ切断を行うと、図８のようにワイヤ５の端末５ｂがクランパー８から垂れ下がった状態となる。この種の巻線機では、巻線動作中にワイヤノズル２とクランパー８が基板９と共に動き、回転動作等を行うので、端末５ｂが付近の突起等に絡まってしまうことがある。このような不具合は、製造する巻線部品が小型になるほど発生しやすくなる。また、太めのワイヤを引っ張り切りする場合には強い力が要り、簡単には切れない問題がある。このため、特許文献２に記載されたようなワイヤを揺り動かす補助機構等が必要となっていた。   FIG. 8 shows a conventional winding head in which the wire nozzle 2 and the clamper 8 are attached to a common substrate 9. In a winding machine equipped with such a winding head, when wire cutting is performed by a conventional cutter or pulling, the end 5b of the wire 5 is suspended from the clamper 8 as shown in FIG. In this type of winding machine, the wire nozzle 2 and the clamper 8 move together with the substrate 9 during the winding operation and perform a rotation operation or the like, so that the terminal 5b may be entangled with a nearby protrusion or the like. Such a problem is more likely to occur as the winding component to be manufactured becomes smaller. In addition, when a thick wire is pulled, a strong force is required, and there is a problem that it cannot be easily cut. For this reason, the auxiliary mechanism etc. which rock a wire as described in patent document 2 were needed.

本発明は、クランパー自体にワイヤの切断機能を付加して、ワイヤの端末がクランパーから垂れ下がることがないようにしたものである。すなわち本発明のカッター付きクランパーは、三次元方向に移動自在な基板９と、貫通孔11ａを有し基板９に固定された円筒状のホルダー11と、貫通孔11ａ内を上下に移動自在で直径の大きな板状の大径部12ａを下端に有し鍔12ｂを上端に有するロッド12と、ロッド12に嵌合して取付けられ所定の範囲を上下動自在な円筒形の押圧子14と、押圧子14を下方に付勢する貫通孔の中に取付けられたスプリング15と、ロッド12を上方に付勢する鍔とホルダーの間に取付けられたスプリング15よりも強いスプリング16とを備え、スプリング15の弾力によって押圧子14と大径部12ａとの間にワイヤ５を挟んで保持可能にするとともに、ロッド12が上昇したときに大径部12ａと噛み合う上刃11ｃをホルダー11の下端の一部に設けた構成を特徴とする。 In the present invention, a wire cutting function is added to the clamper itself so that the end of the wire does not hang from the clamper. That is, the clamper with a cutter of the present invention has a substrate 9 movable in a three-dimensional direction, a cylindrical holder 11 having a through hole 11a fixed to the substrate 9, and a diameter that can move up and down in the through hole 11a. A rod 12 having a large plate-like large-diameter portion 12a at the lower end and a flange 12b at the upper end, a cylindrical presser 14 fitted and attached to the rod 12 and movable up and down within a predetermined range, and a press A spring 15 mounted in a through-hole that biases the child 14 downward, and a spring 16 that is stronger than the spring 15 mounted between the rod and the holder that biases the rod 12 upward; The upper blade 11c that engages with the large-diameter portion 12a when the rod 12 is lifted can be held at a part of the lower end of the holder 11 while holding the wire 5 between the presser 14 and the large-diameter portion 12a by the elasticity of It is characterized by the configuration provided in.

本発明によればワイヤがクランパーの内側で切断されるので、ワイヤの端末５ｂがクランパーから外に延びて垂れ下がった状態となることがない。このため、リードフレームを利用した超小型の巻線部品の製造時においても、端末５ｂが突起に絡まったり巻き込まれたりすることなく連続的な巻線動作が行える。また、切断箇所がばらつくことがある引っ張り切りの方法に比べて、確実に同じ場所で切断できる利点がある。ワイヤ切断用のアクチュエータを付加することなく、太めのワイヤにも対応できる効果もある。   According to the present invention, since the wire is cut inside the clamper, the end 5b of the wire does not extend from the clamper and hang down. For this reason, even when manufacturing a very small winding component using a lead frame, the terminal 5b can be continuously wound without being entangled or caught in the protrusion. In addition, there is an advantage that the cutting can be surely performed at the same place as compared with the pulling method in which the cutting points may vary. There is also an effect that it is possible to deal with a thick wire without adding an actuator for wire cutting.

図２に本発明のカッター付きクランパー10を備えた巻線ヘッドの一実施例を示す。クランパー10は、先細の円筒形のワイヤノズル２と共に、三次元方向に移動自在な共通の基板９に取付けられている。図３及び図４は、このクランパー10のワイヤ保持部が開いたときの状態を示している。クランパー10は、基板９に固定された円筒状のホルダー11と、ホルダー11の貫通孔11ａ内を上下に移動自在なロッド12と、ロッド12に上下動自在に嵌合して取付けられた円筒形の押圧子14と、二つのスプリング15、16とで構成されている。   FIG. 2 shows an embodiment of a winding head provided with the cutter-equipped clamper 10 of the present invention. The clamper 10 is attached to a common substrate 9 that can move in a three-dimensional direction together with the tapered cylindrical wire nozzle 2. 3 and 4 show a state when the wire holding portion of the clamper 10 is opened. The clamper 10 includes a cylindrical holder 11 fixed to the substrate 9, a rod 12 movable up and down in the through hole 11 a of the holder 11, and a cylindrical shape fitted and attached to the rod 12 so as to be movable up and down. The pressing element 14 and two springs 15 and 16 are configured.

ロッド12の下端には直径の大きな円板状の大径部12ａを設けてあり、上端には鍔12ｂを固定してある。ホルダー11の貫通孔11ａの中に取付けられたスプリング15によって、押圧子14は下方に付勢されている。このスプリング15の弾力で押圧子14と大径部12ａの間にワイヤ５を挟んで保持する。押圧子14の側面に固定したピン14ａがホルダー11の側面に設けられた縦長の長孔11ｂに係合している。このため、押圧子14が上下動する範囲は長孔11ｂの縦方向の長さて制限される。図３及び図４における押圧子14は、スプリング15で押し下げられて下限の位置で停止した状態にある。   A rod-shaped large diameter portion 12a having a large diameter is provided at the lower end of the rod 12, and a flange 12b is fixed to the upper end. The pressing element 14 is urged downward by a spring 15 attached in the through hole 11a of the holder 11. The elastic force of the spring 15 holds the wire 5 between the pressing member 14 and the large diameter portion 12a. A pin 14 a fixed to the side surface of the pressing element 14 is engaged with a vertically long slot 11 b provided on the side surface of the holder 11. For this reason, the range in which the pressing element 14 moves up and down is limited by the length of the long hole 11b in the vertical direction. 3 and 4 is in a state of being pressed down by the spring 15 and stopped at the lower limit position.

図５から明らかなように、ホルダー11の下端のほぼ半周分を切り取ることにより、残りの半周分が下方に突き出した形の上刃11ｃをホルダー11の下端に形成してある。上刃11ｃの内側のエッジは鋭く加工してある。一方、ロッド12の大径部12ａは、ワイヤ５を保持するほか、下刃としての機能も備えている。すなわち、ロッド12が上昇するとき、大径部12ａの上側の角部と上刃11ｃが噛み合ってワイヤ５を切断するカッターの役目をする。   As is apparent from FIG. 5, the upper blade 11 c is formed at the lower end of the holder 11 by cutting out almost half of the lower end of the holder 11 so that the remaining half of the holder 11 protrudes downward. The inner edge of the upper blade 11c is processed sharply. On the other hand, the large-diameter portion 12a of the rod 12 holds the wire 5 and also has a function as a lower blade. That is, when the rod 12 is raised, the upper corner 11c of the large-diameter portion 12a and the upper blade 11c mesh with each other to serve as a cutter for cutting the wire 5.

鍔12ｂとホルダー11の間に取付けたスプリング16によって、ロッド12は上方に付勢されている。このスプリング16は押圧子14を付勢するスプリング15よりも強い弾力のものにしてある。図３及び図４は、図示しないエアーシリンダ等でロッド12を押し下げたときの状態である。スプリング16の弾力に抗してロッド12は下降し、鍔12ｂが基板９の上面に突き当たって停止している。ロッド12の大径部12ａは下降して押圧子14から離れており、押圧子14と大径部12ａからなるワイヤ保持部は開いている。   The rod 12 is biased upward by a spring 16 attached between the flange 12b and the holder 11. The spring 16 has a stronger elasticity than the spring 15 that biases the pressing element 14. 3 and 4 show a state when the rod 12 is pushed down by an air cylinder or the like (not shown). The rod 12 descends against the elasticity of the spring 16, and the hook 12b hits the upper surface of the substrate 9 and stops. The large-diameter portion 12a of the rod 12 is lowered and separated from the presser 14, and the wire holding portion including the presser 14 and the large-diameter portion 12a is open.

図７と同様、突起部６とワイヤノズル２の間に張り渡されているワイヤ５に、開いたクランパー10を近づけたのが図３の状態である。今、この状態からロッド12を押し下げている力を解除すると、ロッド12はスプリング16の弾力で上昇を始める。すると、先ず図６のようにロッド12の大径部12ａの上面と押圧子14の下面の間にワイヤ５を挟んでスプリング15の弾力で保持する。このスプリング15よりもスプリング16の方が強いので、スプリング15を圧縮しながらロッド12はさらに上昇を続ける。   As in FIG. 7, the open clamper 10 is brought close to the wire 5 stretched between the protrusion 6 and the wire nozzle 2 in the state of FIG. If the force that pushes down the rod 12 is released from this state, the rod 12 starts to rise by the elasticity of the spring 16. Then, as shown in FIG. 6, first, the wire 5 is sandwiched between the upper surface of the large-diameter portion 12a of the rod 12 and the lower surface of the pressing element 14, and is held by the elasticity of the spring 15. Since the spring 16 is stronger than the spring 15, the rod 12 continues to rise while compressing the spring 15.

そして、図１のように押圧子14が貫通孔11ａの内部に設けた段部11ｄ（図６）に当たるか、あるいはピン14ａが長孔11ｂの上端に当たったところでロッド12は停止する。図６の状態から図１の状態になる過程で、上刃11ｃの内側のエッジとロッド12の大径部12ａとが噛み合ってワイヤ５は切断される。このとき切断されるのは、クランパー10から突起部６（図７）側に延びた方のワイヤ５であり、図８における端末５ｂに相当する。   As shown in FIG. 1, the rod 12 stops when the pressing element 14 hits a step 11d (FIG. 6) provided in the through hole 11a or when the pin 14a hits the upper end of the long hole 11b. In the process of changing from the state of FIG. 6 to the state of FIG. 1, the inner edge of the upper blade 11 c meshes with the large-diameter portion 12 a of the rod 12 and the wire 5 is cut. What is cut at this time is the wire 5 extending from the clamper 10 toward the protrusion 6 (FIG. 7), and corresponds to the terminal 5b in FIG.

図２は図１と同じく、ワイヤ５を切断した直後の巻線ヘッドの状態を示している。クランパー10からワイヤノズル２側に延びた方のワイヤ５ａは、圧縮されたスプリング15によって大径部12ａと押圧子14の間に、より強い力で保持される。このようにして、ワイヤノズル２から繰り出されたワイヤ５の一端はクランパー10によって確実に保持される。ワイヤ５の先端はクランパー10の内側で切断されており、図８のように端末５ｂがクランパー（８）の外側に長くはみ出すことがない。本発明は、クランパー10の基板９にワイヤノズル２を取付けた巻線ヘッドに適用したときに特に大きな効果が得られる。   FIG. 2 shows the state of the winding head immediately after the wire 5 is cut, as in FIG. The wire 5 a extending from the clamper 10 toward the wire nozzle 2 is held by the compressed spring 15 between the large diameter portion 12 a and the pressing element 14 with a stronger force. In this way, one end of the wire 5 fed out from the wire nozzle 2 is securely held by the clamper 10. The tip of the wire 5 is cut inside the clamper 10, and the terminal 5b does not protrude beyond the clamper (8) as shown in FIG. The present invention is particularly effective when applied to a winding head in which the wire nozzle 2 is attached to the substrate 9 of the clamper 10.

本発明のクランパーの一実施例を示す一部断面正面図The partial cross section front view which shows one Example of the clamper of this invention 同クランパーを取付けた巻線ヘッドの正面図Front view of winding head with the clamper attached 第１の動作状態における同クランパーの一部断面正面図Partial cross-sectional front view of the clamper in the first operating state 第１の動作状態における同クランパーの側面図Side view of the clamper in the first operating state 同クランパーの一部を拡大して示す斜視図The perspective view which expands and shows a part of the clamper 第２の動作状態における同クランパーの一部断面正面図Partial cross-sectional front view of the clamper in the second operating state 従来の切断方法を示す斜視図A perspective view showing a conventional cutting method 従来の巻線ヘッドの正面図Front view of a conventional winding head

符号の説明Explanation of symbols

９ 基板
10 クランパー
11 ホルダー
11ａ 貫通孔
11ｃ 上刃
12 ロッド
12ａ 大径部
14 押圧子
15 第１のスプリング
16 第２のスプリング 9 Board
10 Clamper
11 Holder
11a Through hole
11c Upper blade
12 rods
12a Large diameter part
14 Presser
15 First spring
16 Second spring

Claims (3)

三次元方向に移動自在な基板と、貫通孔を有し該基板に固定された円筒状のホルダーと、該貫通孔内を上下に移動自在で直径の大きな板状の大径部を下端に有し鍔を上端に有するロッドと、該ロッドに嵌合して取付けられ所定の範囲を上下動自在な円筒形の押圧子と、該押圧子を下方に付勢する該貫通孔の中に取付けられた第１のスプリングと、該ロッドを上方に付勢する該鍔と該ホルダーの間に取付けられた第１のスプリングよりも強い第２のスプリングとを備え、
第１のスプリングの弾力によって押圧子と大径部との間にワイヤを挟んで保持可能にするとともに、ロッドが上昇したときに大径部と噛み合う上刃をホルダーの下端の一部に設けたことを特徴とするカッター付きクランパー。 A substrate that is movable in three dimensions, a cylindrical holder that has a through-hole and is fixed to the substrate, and a plate-shaped large-diameter portion that is movable up and down in the through-hole and has a large diameter at the bottom. A rod having a hook at its upper end, a cylindrical pressing member fitted to the rod and movable up and down within a predetermined range, and a through hole that urges the pressing member downward A first spring, and a second spring that is stronger than the first spring attached between the holder for biasing the rod upward and the holder ,
An upper blade that engages with the large-diameter portion when the rod is lifted is provided at a part of the lower end of the holder while the wire can be held between the presser and the large-diameter portion by the elasticity of the first spring. This is a clamper with a cutter. 円筒状のホルダーの下端のほぼ半周分を下方に突き出して上刃とした請求項１のカッター付きクランパー。 The clamper with a cutter according to claim 1, wherein a substantially half of the lower end of the cylindrical holder protrudes downward to form an upper blade. 該基板にワイヤノズルを取付けた請求項１のカッター付きクランパー。 The clamper with a cutter according to claim 1, wherein a wire nozzle is attached to the substrate.
JP2005220184A 2005-07-29 2005-07-29 Clamper with cutter Expired - Fee Related JP4522922B2 (en)

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CN112614694B (en) * 2020-12-25 2022-07-08 福建工程学院 Dovetail groove coil framework clamp and working method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002057056A (en) * 2000-08-11 2002-02-22 Besutec:Kk Wire winding machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002057056A (en) * 2000-08-11 2002-02-22 Besutec:Kk Wire winding machine

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