JP7098657B2 - ステアリングボックスを、プラスチックプラグで超音波を用いてロックする閉栓方法 - Google Patents
ステアリングボックスを、プラスチックプラグで超音波を用いてロックする閉栓方法 Download PDFInfo
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- JP7098657B2 JP7098657B2 JP2019563428A JP2019563428A JP7098657B2 JP 7098657 B2 JP7098657 B2 JP 7098657B2 JP 2019563428 A JP2019563428 A JP 2019563428A JP 2019563428 A JP2019563428 A JP 2019563428A JP 7098657 B2 JP7098657 B2 JP 7098657B2
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Images
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- B29C66/95—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94
- B29C66/951—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools
- B29C66/9513—Measuring or controlling the joining process by measuring or controlling specific variables not covered by groups B29C66/91 - B29C66/94 by measuring or controlling the vibration frequency and/or the vibration amplitude of vibrating joining tools, e.g. of ultrasonic welding tools characterised by specific vibration frequency values or ranges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2059/00—Use of polyacetals, e.g. POM, i.e. polyoxymethylene or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
- B29K2077/10—Aromatic polyamides [polyaramides] or derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
- B29K2309/08—Glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Closures For Containers (AREA)
- Dowels (AREA)
Description
ねじ締め付け/緩めの抵抗を、特に調整、特に大きく調整することができ、壁2とプラグ4の間で波形の組み合わせにすることにより、突起を比較的間引く配置にしながら、回転阻止力のバランスをとることもできる。
Claims (8)
- 少なくとも一条のねじ山(5T)が設けられたねじ山付きハブ(5)を有するプラグ(4)によって、ケーシング(3)の壁(2)に開けられた中心軸(XX’)を有する孔(1)を塞ぐことを可能にし、
前記壁(2)に対して前記ハブのねじ山(5T)を噛み合わせることにより、前記プラグ(4)の前記ねじ山付きハブ(5)を前記孔(1)にねじ込むねじ込みステップ(a)と、
次に、前記プラグ(4)のねじの締め付けと緩めに抗するために、中心軸(XX’)の周りで前記ねじ山付きハブ(5)の回転が阻止される回転ロックステップ(b)とを有する
閉栓方法であって、
前記回転ロックステップ(b)において、熱可塑性材料で形成された前記プラグ(4)の一部を、その熱可塑性材料を軟化させるように加熱し、軟化した熱可塑性材料を、孔の壁に開けられた雌キャビティ(10)に強制的に侵入させて固化させ、前記雌キャビティの中に入れ子になる雄部材(11)を構成し、前記雌キャビティ(10)は、一方では、前記プラグ(4)のねじの締め付けまたは緩めの回転移動に抗するように、中心軸(XX’)の周りでの前記雄部材(11)、すなわち前記ハブ(5)の回転を阻止するガイドストッパを前記雄部材(11)に対して形成するように配置され、他方では、前記壁(2)に対して前記ハブ(5)及びそのねじ山(5T)が中心軸(XX’)に沿って摺動するのを妨げないように、前記雌キャビティ(10)内での中心軸(XX’)に沿った前記雄部材(11)の軸方向移動の自由度を維持し、
前記雌キャビティ(10)は、前記孔(1)に開口しかつ中心軸(XX’)に実質的に平行な支持面(10A,10B)と呼ばれる面によって、中心軸(XX’)の周りの方位角で区切られた少なくとも一つの切欠(13)によって形成され、中心軸(XX’)の周りで分けて配置される、区別できる複数の前記切欠(13)を有し、
前記回転ロックステップ(b)において、
ハブに対して径方向へ突出する前記雄部材(1)を形成し、中心軸(XX’)の周りでの回転が阻止され、中心軸(XX’)に沿って軸方向へ自由に摺動するように、前記支持面(10A,10B)を摺動可能に支持する少なくとも一つの突起(14)を形成するように、軟化した熱可塑性材料が前記切欠(13)に径方向へ押し込まれ、
区別できる複数の前記突起(14)が同時に形成され、それぞれが前記切欠(13)の一つに侵入し、且つそれぞれが前記各切欠(13)の前記支持面(10A,10B)を摺動可能に支持することにより、それぞれが前記切欠(13)と協働し、
前記中心軸(XX’)の周りで、形成されるべき前記突起(14)があるのと同じだけ多くのアーム(21)に分割された、侵入方向(D1)への挿入力(F1)を発生する成形ツール(20)が、前記アーム(21)に割り当てられた切欠(23)に対応する角度領域をカバーする前記各アーム(21)を、熱可塑性材料を軟化させてから押し出すように前記プラグ(4)に押しつける
ことを特徴とする閉栓方法。 - 請求項1において、
前記ねじ込みステップ(a)では、前記ねじ山付きハブ(5)が前記孔(1)に「侵入方向」D1と呼ばれる方向へ、「抜き出し方向」と呼ばれる反対方向へ向かう付勢力(F2)を前記ハブに加える弾性部材(9,31)に対抗してねじ込まれ、前記弾性部材(9,31)は、前記ハブのねじ山(5T)を前記壁(2)に対して後部で支持するように強く押しつけ、ねじ込みは、「キャリブレーション位置」P0と呼ばれる目的の軸方向位置に前記ハブ(5)が達するまで継続され、その位置で、前記ハブのねじ山(5T)が、前記弾性部材(9,31)によって前記壁(2)に対して後部で支持されるように押しつけられ、
前記回転ロックステップ(b)では、前記成形ツール(20)が、熱可塑性材料を軟化させて前記雌キャビティ(10)に押し出すように前記プラグ(4)に押し付けられることにより、挿入力(F1)が、前記ハブのねじ山(5T)をその背面支持から引き離し、キャリブレーション位置P0に関して侵入方向(D1)へ前記プラグ(4)を移動させるように作用し、
その後、前記雄部材(11)が形成されると前記成形ツール(20)が取り外されることにより、挿入力(F1)が解除され、且つ前記ハブ(5)と前記雄部材(11)とが前記弾性部材(9,31)の作用のもとで、前記プラグ(4)が、前記ハブのねじ山(5T)が前記壁(2)に対して後部で支持されるように押しつけられる初期のキャリブレーション位置(P0)に戻るまで抜き出し方向(D2)へ戻り動作を行う
ことを特徴とする閉栓方法。 - 請求項1または2において、
前記プラグ(4)の前記ハブ(5)は、熱可塑性材料で形成され、中心軸(XX’)が中心となる中空のシリンダを形成する周辺クラウン(15)を有し、周辺クラウン(15)は、前記ハブのねじ山(5T)を少なくとも部分的に有する径方向外面(15E)を、前記ハブ(5)が前記孔(1)にねじ込まれた時に外側からアクセスできる径方向内面(15I)に加えて有し、
前記回転ロックステップ(b)では、一つの前記切欠(13)に対して角度を付けて配置された各領域で、前記クラウン(15)を部分的に軟化させ、その後、このように軟化した各領域において、前記クラウンを構成する熱可塑性材料が、軟化した熱可塑性材料を、対応する前記切欠(13)へ侵入させるように、少なくとも径線上の遠心方向へ押し出され、それによって、前記クラウン(15)と一体化される前記突起(14)が構成される
ことを特徴とする閉栓方法。 - 請求項1から3の何れか1つにおいて、
前記各アーム(21)の一端は、クラウンの径方向内面(15I)に対応する内径(R15I)と、前記クラウンの径方向外面(15E)に対応する外径(R15E)との間で径方向へ延びる前記クラウン(15)の縁(15A)と接触して、軟化した熱可塑性材料を前記雌キャビティ(10)の中へ徐々に押し込むように、挿入方向D1への軸方向の侵入移動にしたがって前記クラウン(15)に挿入されることを目的とし、前記一端(21)は、中心軸(XX’)を含む縦方向平面の断面にインプリント(23)を有し、
前記インプリント(23)は、
クラウンの縁(15A)の径方向外側部分に最初に支持されるように配置され、内径(R15I)と外径(R15E)の間に正確に含まれる中間径(RM)から径線上の遠心方向へ、前記クラウンの外径(R15E)まで、または外径(R15E)を超えて延び、エネルギー供給を初期には外向きに集中させ、それにより、プラスチック材料の軟化と径線上での遠心方向への移行を進める第1フランジ(24)と、
前記クラウン(15)にツール(20)を軸方向へ挿入する間に、前記クラウンの径方向外面(15E)に突出する突起(14)を形成するために、軟化した熱可塑性材料を径方向外側へ案内して圧縮できる傾斜したデフレクタ(26)と、
を有することを特徴とする閉栓方法。 - 請求項1から4の何れか1つにおいて、
前記プラグ(4)と前記切欠(13)の間の径方向境界で前記突起(14)の基準とみなされる前記各突起(14)の角度領域(A14)は、中心軸(XX’)の周りの方位角において、30°以下である
ことを特徴とする閉栓方法。 - 請求項1から5の何れか1つにおいて、
前記ハブに形成される雄または雌の六角凹みのインプリントのような、前記プラグに設けられる操作部材(30)が係合して、前記ハブが前記雄部材(11)の破壊により中心軸(XX’)の周りで強制的に回転する強制アンロックステップ(c)と、
前記ハブ(5)が前記孔(1)に対してその軸方向位置を調整するためにねじ込まれるか緩められる、その後の設定ステップ(d)と、
前記ハブの中心軸(XX’)周りでの回転を阻止し、回転軸(XX’)に対して軸方向移動の自由度を高めるために、前記雌キャビティ(10)の中へ同じ前記プラグ(4)の熱可塑性材料からなる新たな部分を軟化させて押し込むことにより、元の前記雄部材(11)に対して角度がシフトされた新たな雄部材(11’)が形成される新たな回転ロックステップ(b’)と、
を有することを特徴とする閉栓方法。 - 請求項1から6の何れか1つにおいて、
周波数が20kHzより高い「ソノトロード」と呼ばれる超音波装置が、熱可塑性材料からなるプラグの一部を加熱することによって軟化させ、軟化した熱可塑性材料をその後に前記雌キャビティ(10)の中へ押し込むために、成形ツール(20)として用いられる
ことを特徴とする閉栓方法。 - 孔(1)に予めねじ込まれたプラグ(4)の回転をロックすることを目的とする超音波成形ツール(20)であって、
中心軸(XX’)と一致する方向へ延びる本体(22)を備え、中心軸(XX’)の周りで分散した複数の個別のアーム(21)を支持し、前記アームは、前記プラグ(4)に超音波を伝達するように、中心軸(XX’)の周りの、熱可塑性材料からなる個別の角度領域に、配置され、前記アームは、前記プラグの周辺のレベルで、前記プラグの異なる周辺部分を同時に局所的に加熱して軟化させることができ、且つ、関連するそれぞれの角度領域において、少なくとも径線上の一つの遠心方向へ、このようにして軟化した熱可塑性材料を押し出すことができ、
ツールが挿入力(F1)をプラグに対して加えるように軸方向へ押し付けられるとき、アーム(21)は、突起(14)が、支持面(10A,10B)に対して軸方向への自由な移動を維持しながら、切欠(13)を区切る支持面に対して回転可能に接するような配置に一致して、孔の壁(2)に設けられた対応する前記切欠(13)に嵌まり込む前記突起(14)を、前記角度領域において、前記プラグ(4)上で突出させる
ことを特徴とする超音波成形ツール(20)。
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FR1754406A FR3066464B1 (fr) | 2017-05-18 | 2017-05-18 | Procede de verrouillage par ultrasons d’un bouchon en plastique obturant un carter de direction |
FR1754406 | 2017-05-18 | ||
PCT/FR2018/051132 WO2018211198A1 (fr) | 2017-05-18 | 2018-05-04 | Procédé de verrouillage par ultrasons d'un bouchon en plastique obturant un carter de direction |
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USD984241S1 (en) * | 2020-09-23 | 2023-04-25 | Werner Co. | Lock bezel |
WO2023084046A1 (en) | 2021-11-12 | 2023-05-19 | Herrmann Ultraschalltechnik Gmbh & Co. Kg | Sonotrode, system and method of reshaping a connecting element |
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US20200130724A1 (en) | 2020-04-30 |
EP3625036A1 (fr) | 2020-03-25 |
FR3066464B1 (fr) | 2020-11-13 |
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CN110636937B (zh) | 2022-08-23 |
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JP2020520314A (ja) | 2020-07-09 |
EP3625036B1 (fr) | 2024-05-22 |
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