JP3635040B2 - Metal foil molded body, metal foil molded body manufacturing method and manufacturing apparatus thereof - Google Patents

Metal foil molded body, metal foil molded body manufacturing method and manufacturing apparatus thereof Download PDF

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JP3635040B2
JP3635040B2 JP2001117746A JP2001117746A JP3635040B2 JP 3635040 B2 JP3635040 B2 JP 3635040B2 JP 2001117746 A JP2001117746 A JP 2001117746A JP 2001117746 A JP2001117746 A JP 2001117746A JP 3635040 B2 JP3635040 B2 JP 3635040B2
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metal foil
mold member
molded body
mold
edge
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JP2001311522A (en
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正弘 野津
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東洋アルミホイルプロダクツ株式会社
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Description

【0001】
【発明の属する技術分野】
この発明は、汁受け皿覆い、特に、複数のコンロ部を具備する、所謂、システムキッチンガスコンロの汁受け皿とその周辺域を同時に被覆することのできるシステムキッチンガスコンロ用汁受け皿覆いのような水平な辺と傾斜辺とを有する金属箔成型体、さらには、前記金属箔成型体の製造方法とその製造装置に関するものである。
【0002】
【従来の技術】
複数のコンロ部を具備するシステムキッチンガスコンロは、一般に、図9及び図10に示すように、複数のコンロ部(25)と、コンロ部(25)の周囲を被覆している汁受け皿部(20)と、汁受け皿部(20)の周囲に形成されている五徳載置部(21)と、五徳載置部(21)の周囲に形成されているフランジ部(2) とからなり、五徳載置部(21)の上に五徳(5) が載置されて使用されている。
【0003】
フランジ部(2) は、五徳載置部(21)の周囲に連続する立ち上がり部(22)と、立ち上がり部(22)の周囲から連続する平坦部(23)と、平坦部(23)の周囲に連続する立ち下がり部(24)とからなり、立ち下がり部(24)の下端周縁には、ゴムパッキン(P) が取り付けられており、カウンタートップ(50)に安定して配設されている。尚、奥側に位置する平坦部(23)には、グリル用排気口(26)が形成されている。
【0004】
この種システムキッチンガスコンロの汁受け皿内部が調理中の煮こぼれや油の飛散等で汚れることを防止するための汁受け皿覆い(30)が市販されている。この従来の汁受け皿覆い(30)は、コンロ部(25)のバーナに対応する位置に開口が形成されており且汁受け皿部(20)全域を被覆する1枚の皿状シートであり、図10に示すように、その周辺から張り出させた覆い片(31)で五徳載置部(21)を被覆するとともにその上から、五徳(5) が載置されて使用されている。
【0005】
【発明が解決しようとする課題】
上記のような従来の汁受け皿覆い(30)では、汁受け皿部(20)の内部及び五徳載置部(21)の汚れは防止することができるが、五徳載置部(21)からさらに外方へ続くフランジ部(2) の汚れは防止することができない。
【0006】
そこで、汁受け皿覆い(30)とは別体に、細長長方形状、又は、略L字状、又は、枠状のシートを用意して、フランジ部(2) を被覆することが考えられる。
【0007】
しかしながら、このようなシートを、汁受け皿覆い(30)とは別に用意しなければならず、それらを各々、汁受け皿の所定箇所に被覆させることは面倒であり、取扱いが困難という問題がある。
【0011】
請求項1記載の発明は、水平な辺と、前記水平な辺に対して傾斜する傾斜辺とが形成されているような複雑な形状の金属箔成型体であっても、強度に優れ、且前記各辺で手指等を傷つけることのない安全性の高い金属箔成型体を提供することを課題とするものである。
【0012】
請求項2記載の発明は、基本となる平面と、それに対して傾斜する平面とを具備する金属箔成型体であって、前記傾斜する平面に端部を設ける構成とした場合でも、強度に優れ、且、安全性の高い金属箔成型体を提供できるようにすることを課題とするものである。
【0013】
請求項3記載の発明は、前記請求項2記載の発明の、基本となる前記平面にも端部を設ける構成とした場合でも、前記請求項2記載の発明の課題と同様に、強度と安全性に優れた金属箔成型体を提供することを課題とするものである。
【0014】
請求項4記載の発明は、前記システムキッチンガスコンロ用汁受け皿覆いのような金属箔成型体の周縁の一部に、両端の高さの異なる傾斜辺を設けた場合であっても、その周縁全域に縁巻き部を形成することのできる金属箔成型体の製造方法を提供することを課題とし、請求項5記載の発明は、その製造装置を提供することを課題とする。
【0021】
【課題を解決するための手段】
前述した課題を解決するために、請求項1記載の発明は、『金属箔をプレス加工することによって形成され、水平な辺と、前記水平な辺に接続し、その両端の高さが異なる傾斜辺を具備する金属箔成型体であって、前記水平な辺と前記傾斜辺の両方に連続するようにプレス時に同時に外周端全域にカーリングされた縁巻き部を形成した』ことを特徴とする。
このものでは、外周又は内周を構成する各辺が、水平な辺ばかりでなく、傾斜辺も含むような複雑な形状の金属箔成型体を成型した場合であっても、プレス時に同時に全ての周辺に連続するようにカーリングさせた縁巻き部を設ける構成としたから、前記金属箔成型体の周縁部における強度が向上し、且、取扱いの際に前記周縁部で手指等を切るような不都合もない。
【0022】
請求項2記載の発明の課題解決手段は、『金属箔をプレス加工することによって形成された金属箔成型体であって、基本となる成型面と、前記成型面を規定する第1の平面に対して傾斜する第2の平面に位置する端部と、プレス時に同時に前記端部を含む外周端全域に形成された縁巻き部とを備えた』ことを特徴とする。
【0023】
ここで、基本となる成型面とは、水平面に限るものではなく曲面であっても良いが、ある一つの第1の平面として規定することができる面とする。第2の平面は、前記第1の平面に対して傾斜する面とするとともに端部を具備する構成とする。前記端部は、直線状であっても、曲線状であっても良く、前記端部に沿って縁巻き部がプレス時に外周端全域に同時に形成されている。
【0024】
請求項3記載の発明は、請求項2記載の発明の構成のうち、『前記成型面に位置する第2の端部と、プレス時に同時に前記第2の端部に形成された第2の縁巻き部とをさらに備えた』ことを特徴とする。
【0025】
前記第1と第2の成型面の各々に前記端部を設けた構成とするとともにそれら各端部に縁巻き部をプレス時に同時にそれぞれ設けた構成の金属箔成型体とする。
【0026】
請求項4記載の発明の課題を解決する為の手段は、『両端の高さが異なる傾斜辺を具備し且前記傾斜辺を含む外周端全域に縁巻き部を形成してなる金属箔成型体の製造方法であって、前記傾斜辺に対応し且相互に対向する傾斜端面を具備する一対の型部材間に金属箔を挟み、垂直方向にプレス加工することにより、前記金属箔に傾斜部分を設ける工程と、前記傾斜部分に沿って金属箔を裁断する工程と、前記裁断された端縁よりも内側の所定部分を前記垂直方向に押し下げる工程と、前記押し下げられた部分をカーリングさせながら前記裁断高さまで押し上げることにより前記縁巻き部を形成する工程とを備えたこと』を特徴としたものである。
【0027】
一対の型部材の対向する加圧端面間に、成型材料となる金属箔を配設し、一方の型部材を他方の型部材側へ垂直に移動させて前記加圧端面間で前記金属箔を挟持するとともにプレス加工する。
【0028】
これにより、金属箔成型体の上面及び下面がそれぞれ所定形状に成型されるとともに、前記一対の型部材に設けた傾斜端面によって、前記金属箔の一部は傾斜状態に成型されることとなる。
【0029】
そして、前記傾斜状態にある部分を、その姿勢を維持したままでその傾斜部分に沿った位置で裁断するとともに、前記型部材の傾斜端面の端縁に沿って垂直方向に押し下げる。よって、この押し下げられた部分の端縁も前記傾斜端面に沿った傾斜辺となり、この傾斜辺を垂直方向に前記裁断高さまでカーリングさせながら押し上げることにより、金属箔成型体の前記傾斜部分に、カーリングされた縁巻き部が形成されることとなる。
【0030】
これら各工程は、連続して行うことができる。
【0031】
このような製造方法のための装置としては、請求項5記載の発明の『両端の高さが異なる傾斜辺を具備し且前記傾斜辺を含む外周端全域に縁巻き部を形成してなる金属箔成型体の製造装置であって、前記傾斜辺に対応し且相互に対向する傾斜端面が各々形成されており、金属箔を間に挟み、垂直方向にプレス加工することにより、前記金属箔の所定部分を傾斜状態に成型する一対の第1、第2型部材と、前記第1、第2型部材側にそれぞれ位置し、前記第1、第2型部材の前記各傾斜端面に沿って位置し且相互に対向する傾斜端面が各々形成されている前記垂直方向に移動自在の一対の第3、第4型部材と、前記第1型部材と前記第3型部材との間に位置し、前記第1型部材と前記第3型部材の各傾斜端面に沿った傾斜端面を具備し、且、前記金属箔を、前記第4型部材の第2型部材側の端縁で剪断するとともに、前記剪断部分を、前記第2型部材と第4型部材間に押し込みながら、前記第2型部材と第4型部材との間へ、前記第2型部材と第4型部材に対して前記垂直方向に相対移動する押し込み部材と、前記第2型部材と前記第4型部材との間に位置し、前記押し込み部材の傾斜端面に対応する傾斜端面を具備し、前記押し込み部材と衝合しながら、前記第2型部材と前記第4型部材間を前記垂直方向に摺動可能なカーリング部材とからなり、前記カーリング部材の前記押し込み部材との衝合面であって、前記第2型部材側の隅部に円弧上の第1溝部が形成され、前記押し込み部材の前記カーリング部材との衝合面には、前記第1溝部に対向する第2溝部が形成され、前記押し込み部材と前記カーリング部材とが衝合し且前記垂直方向に移動した時に、前記第1、第2溝部で、前記縁巻き部の一部を形成する為のカール溝部が構成されること』を特徴とするものが採用可能である。
【0036】
【発明の効果】
以上説明したように、請求項1記載の発明は、水平な辺と傾斜辺の両方を具備する複雑な形状の金属箔成型体であっても、その周縁全域に縁巻き部を連続的に形成できるようにしたから、その強度と安全性を向上させることができ、縁巻き部を具備する種々な形状の金属箔成型体を成型することができる。これにより、金属箔成型体の利用分野が広がることとなる。
【0037】
請求項2記載の発明は、第1の平面として規定される一つの成型面と、前記第1の平面に対して傾斜し且する第2の平面とを具備する複雑な構成の金属箔成型体を構成できるとともに、前記第2の平面に設けた端部を含む外周端全域には縁巻き部を設ける構成としたから、前記端部に手指が触れても前記端部が歪んだり、手指を切ったりするとの不都合がなく、前記金属箔成型体の強度と安全性が確保できる。
【0038】
請求項3記載の発明は、請求項2記載の発明の第1の平面にも縁巻き部付きの端部を設ける構成としたから、金属箔成型体の形状をさらに複雑に成型できると共に、その利用分野をさらに拡大させることができる。
【0039】
請求項4記載の発明の方法によれば、金属箔成型体の周縁の一部を傾斜させる工程と、その傾斜部分にも縁巻き部を形成する工程とを、一連の工程として行うことができるから、縁巻き部が形成された傾斜部分を具備する金属箔成型体を容易に成型することができる。
【0040】
請求項5記載の発明の装置を用いるだけで、金属箔成型体の周縁の一部を傾斜させる工程と、その傾斜部分に縁巻き部を形成する工程とを連続して行うことができるから、成型所要時間を短縮でき、作業性が向上する。
【0041】
【発明の実施の形態】
以下、本願発明の実施の形態を、図示例と共に説明する。
【0042】
図1は、本発明の実施の形態のシステムキッチンガスコンロ用の汁受け皿覆いを示す平面図である。
【0043】
この汁受け皿覆いを被覆させるシステムキッチンガスコンロは、例えば、図9で示したような、3つのコンロ部(25)と、コンロ部(25)の周囲を全域に渡って被覆する略長方形皿状の汁受け皿部(20)と、汁受け皿部(20)の上端周囲に形成されている五徳載置部(21)と、さらにその外方に形成されるフランジ部(2) とからなる。そして、フランジ部(2) は、立ち上がり部と、平坦部(23)と、立ち下がり部からなり、奥側の平坦部(23)には、グリル用排気口(26)が形成されている。
【0044】
この汁受け皿覆いは、上記したような汁受け皿部(20)に対応する略長方形状の底部(10a) とその周囲を四方から囲む周壁(10b) とから汁受け皿覆い部(10)が形成されている。そして、底部(10a) には、3つのコンロ部に対応する位置に、バーナ用開口(1a)(1b)(1c)設けられており、奥側に位置するバーナ用開口(1a)と、手前側に位置する一対のバーナ用開口(1b)(1c)との間には、断面波形の蛇腹部(15)が形成されている。この蛇腹部(15)の間隔を伸ばしたり縮めたりすることにより、前記コンロ部のバーナの位置に対応するように、バーナ用開口(1a)(1b)(1c)の位置を調整することができる。
【0045】
又、バーナ用開口(1b)(1c)の間には、断面が台形形状の堰部(16)が設けられており、この堰部(16)により、一方のバーナ用開口(1b)の周囲の一定範囲と、他方のバーナ用開口(1c)の周囲の一定範囲とが区画されている。これにより、一方へ流れ出た煮こぼれ等は堰部(16)で堰き止められ、他方へまで及ぶことはない。
【0046】
上述した蛇腹部(15)も、バーナ用開口(1a)と、バーナ用開口(1b)(1c)との間を区画する堰として機能することは言うまでもなく、バーナ用開口(1a)の周囲へ流れ出た煮こぼれ等が、バーナ用開口(1b)(1c)へ及ぶ不都合を防止することができる。
【0047】
図2は、前記汁受け皿覆いを、上記したようなシステムキッチンのガスコンロに使用した状態における図1のX−X拡大断面図であり、図3は、Y−Y断面図である。
【0048】
これら各図に示すように、汁受け皿覆い部(10)の周壁(10b) の上端全周域からは、五徳(5) を載置する五徳載置部(21)に対応する第1覆い片部(11)が水平に延長形成されており、第1覆い片部(11)の外周端からは、立ち上がり部(22)に対応する第2覆い片部(12)が連続して形成されている。
【0049】
そして、手前側及び両側の3方面に位置する第2覆い片部(12)の上端部からは、図2に示すように、平坦部(23)に対応する第3覆い片部(13)、さらに、立ち下がり部(24)に対応する第4覆い片部(14)が設けられる構成とするが、奥側に位置する第2覆い片部(12)の上端は、図3に示すように、僅かに奥方へ折り曲げられているだけで、第3覆い片部(13)及び第4覆い片部(14)は形成されないものとする。
【0050】
上記構成の汁受け皿覆いを、上述したようなシステムキッチンガスコンロの汁受け皿部(20)上に設置すると、汁受け皿部(20)の手前側及び両側から張り出しているフランジ部(2) は全域にわたって第2覆い片部(12)から第4覆い片部(14)で被覆されることとなり、この部分の汚れを防止することができる。
【0051】
又、奥側に位置する第2覆い片部(12)の上端には第3覆い片部(13)及び第4覆い片部(14)を形成していないから、奥側の平坦部(23)に形成されているグリル用排気口(26)の上方はこれら覆い片で閉塞されることはない。
【0052】
又、手前側及び両側の第4覆い片部(14)の外周端及び奥側に位置する第2覆い片部(12)の上端部はカーリングされて、縁巻き部(17)が、外周端全域にわたって形成されている。このような縁巻き部(17)は、前記汁受け皿覆いの成型と同時に形成することが可能である。
次に、本発明実施の形態の汁受け皿覆いの成型工程について説明する。
【0053】
前記汁受け皿覆いの外周端は、上記したように、手前側と両側の3方面では、第4覆い片部(14)が立ち下がり部(24)の下端まで延長してカウンタートップ(50)の上面に達しているが、奥側の第2覆い片部(12)は立ち上がり部(22)の上端までを被覆した後に断ち切られた態様となっているため、汁受け皿覆いの手前側及び両側の3方面と、奥側とでは、外周端の高さが異なることとなる。すなわち、第4覆い片部(14)の奥側端の外端部(14a) は、図4に示すように、奥側の第2覆い片部(12)の上端部に向かって、斜め又は垂直に上昇する態様となる。
【0054】
このような第4覆い片部(14)の奥側外端部(14a) にも縁巻き部(17)を連続的に形成する為に、両側に位置する第4覆い片部(14)の手前側端部(14b) は製品の形状通り下方へ折り曲げた状態に成型し、奥側外端部(14a) 近傍は水平になるように成型する。すなわち、この状態を側方から見ると、図5に示すように、汁受け皿覆いの両側に位置する第4覆い片部(14)の外周端は、手前端から奥側に向かって緩やかに傾斜する態様となり、この傾斜状態にある外周端部に、縁巻き部(17)を、従来の縁巻き成型方法と同様な方法により、成型と同時に形成することができる。
【0055】
その具体的な製造装置及び製造方法について以下のとおり説明する。
【0056】
図11は、加圧端面が相互に対向する上型部材(6) と下型部材(7) との間に、成型材料である金属箔(A) を水平に配置させた状態を示す端面図である。
【0057】
上型部材(6) 及び下型部材(7) の外周形状は、上記したような、第4覆い片部(14)の手前側端部(14b) は垂下し且奥側外端部(14a) は水平姿勢にあるシステムキッチンガスコンロ用の汁受け皿覆いのそれに略一致しており、金属箔(A) を上型部材(6) 及び下型部材(7) で上下からプレスすることにより、金属箔(A) は、前記汁受け皿覆いの形状に成型される。このとき、同図の上型部材(6) 及び下型部材(7) の左側端部が、第4覆い片部(14)の手前側端部(14b) を成型し、右側端部が、第4覆い片部(14)の奥側外端部(14a) を成型することとなる。図12の(ア)は、図11のア−ア部分端面図を示し、図12の(イ)は、図11のイ−イ部分端面図を示している。これにより、第4覆い片部(14)の水平姿勢にある奥側外端部(14a) 側を成型する上型部材(6) の図11における右端部分は図12の(イ)に示すように、水平な加圧端面に形成されており、第3覆い片部(13)から垂下する手前側端部(14b) 側を成型する上型部材(6) の図11における左端部分は、前記右端の前記水平加圧端面よりも低い位置にあることが理解できる。
【0058】
そして、前記手前側端部(14b) と奥側外端部(14a) との間の第4覆い片部(14)の傾斜部分を成型する上型部材(6) 及び下型部材(7) の前記加圧端面の一部は、それぞれ、図11に示すように、第4覆い片部(14)の外周端部の傾斜度合いに応じた傾斜端面(60)(70)となっている。
【0059】
上型部材(6) の外周域には、上型部材(6) の前記外周形状に対応する内周形状を有し且下端面の一部は、前記傾斜端面(60)に沿った傾斜面となっている昇降部材(61)が配設されており、昇降部材(61)と上型部材(6) との間には、金属箔(A) の肉厚分に相当する間隙が設けられている。昇降部材(61)のさらに外周域には、昇降部材(61)の外周形状に対応する内周形状を有し且昇降部材(61)の下端面に沿った傾斜面を具備する下端面を有する外枠部材(62)が配設されている。
【0060】
下型部材(7) の外周域には、昇降部材(61)の下方に丁度位置し且昇降部材(61)の前記下端面に対応する上端面を有するカーリング部材(71)が設けられており、カーリング部材(71)のさらに外周域には、昇降部材(61)の下方に丁度位置し且外枠部材(62)の下端面に対応する上端面を有する固定部材(72)が配設されている。カーリング部材(71)は、下型部材(7) と固定部材(72)との間で上下に摺動自在とする。
【0061】
尚、前記昇降部材(61)は、下型部材(7) と固定部材(72)との間へ降下自在であり、降下状態においては、昇降部材(61)と下型部材(7) との間にも、前記間隙が形成される。
【0062】
又、昇降部材(61)の前記下端面の外端縁には、上外径刃先(61a) が設けられており、固定部材(72)の前記上端面の内端縁には、昇降部材(61)が降下した時に、上外径刃先(61a) と相対的に接触する下外径刃先(72a) が設けられている。上外径刃先(61a) と下外径刃先(72a) との相対的接触により、金属箔(A) は、上外径刃先(61a) と下外径刃先(72a) との接触位置で剪断されることとなる。
【0063】
カーリング部材(71)の前記上端面の内端縁には、円弧状の下案内溝(73)が形成されており、昇降部材(61)の下端面の内端縁には、下案内溝(73)に対向する円弧状の上案内溝(63)が形成されている。又、昇降部材(61)が、下型部材(7) と固定部材(72)との間に降下し、その下端面がカーリング部材(71)の上端面に衝合した時に、上案内溝(63)と下案内溝(73)とで、金属箔(A) の剪断端縁に縁巻き部を形成する為のカール溝部が形成される。
【0064】
次に、上記した製造装置で、外周端縁の一部が傾斜辺となっており、前記傾斜辺に縁巻き部を設けてなるシステムキッチンガスコンロ用の汁受け皿覆いを製造する製造方法について説明する。
【0065】
まず、図11に示すように、上型部材(6) 、昇降部材(61)及び外枠部材(62)からなる上型部材装置と、下型部材(7) 、カーリング部材(71)及び固定部材(72)からなる下型部材装置との間に前記汁受け皿覆いの材料である金属箔(A) を配置する。そして、図13に示すように、前記上型部材装置全体を垂直方向に降下させて、前記上型部材装置と前記下型部材装置との間で金属箔(A) を挟持するとともに、さらに、上型部材(6) と下型部材(7) との衝合面及び昇降部材(61)とカーリング部材(71)との衝合面が、固定部材(72)の上端面よりも下方に位置するように、上型部材(6) と昇降部材(61)を、下型部材(7) とカーリング部材(71)とともに降下させる。
【0066】
上型部材(6) 及び下型部材(7) の加圧端面の一部は、第4覆い片部(14)の傾斜に応じた傾斜端面(60)(70)となっているから、金属箔(A) に傾斜部分が成型できると同時に、昇降部材(61)の前記下端面の外端縁に設けられている上外径刃先(61a) と、固定部材(72)の前記上端面の内端縁に設けられている下外径刃先(72a) が相対的に接触することとなり、金属箔(A) は、前記傾斜部分に沿って上外径刃先(61a) と下外径刃先(72a) との接触位置で剪断される。図14の(ウ)は、上型部材(6) 及び昇降部材(61)が降下した状態における図13のウ−ウ部分端面図であり、図14の(エ)は図13のエーエ部分端面図、図14の(オ)は図13のオーオ部分端面図を示す。
【0067】
剪断後、さらに、図15に示すように、昇降部材(61)のみを固定部材(72)と下型部材(7) との間に、カーリング部材(71)とともに降下させる。図16の(カ)は、図15のカ−カ部分端面図であり、図16の(キ)は図15のキーキ部分端面図、図16の(ク)は図15のクーク部分端面図を示す。
【0068】
前記剪断と同時に、金属箔(A) の剪断端縁から、上型部材(6) と下型部材(7) との挟持部端縁までの範囲が、下型部材(7) と固定部材(72)との間に降下する昇降部材(61)の下端面内端部によって、下型部材(7) の外壁に沿って90度折れ曲がることとなる。このとき、昇降部材(61)と下型部材(7) との間には、金属箔(A) の肉厚に相当する間隙が形成されているから、前記金属箔(A) の折り曲げはスムーズに行える。
【0069】
昇降部材(61)の降下に伴って、カーリング部材(71)も降下し、金属箔(A) の折り曲げ端の下方には、カーリング部材(71)の下案内溝(73)が全周に渡って対向することとなる。
【0070】
昇降部材(61)が下死点まで達した後、昇降部材(61)の下端面とカーリング部材(71)の上端面とが衝合した状態で上昇する。このとき、金属箔(A) の前記折り曲げ端は、下案内溝(73)と上案内溝(63)とで構成されるカール溝部内でカールされながら上方へ巻き上げられていき、図17に示すように、昇降部材(61)とカーリング部材(71)との衝合面が固定部材(72)の上端面に達した時に、縁巻き部(17)の形成が完了することとなる。
【0071】
尚、図18の(ケ)は、縁巻き部(17)が完了した状態を示した図17のケ−ケ部分端面図であり、図18の(コ)は、図17のコ−コ部分端面図であり、図18の(サ)は、図17のサ−サ部分端面図を示す。
【0072】
このようにして、成型終了後の製品の外周端全域に縁巻き部(17)を形成することができるのである。
【0073】
図19は、縁巻き加工をする際における傾斜辺の影響を説明するための図である。同図の(H) は、第4覆い片部(14)の手前側端部(14b) 又は奥側外端部(14a) 側の水平部分を示しており、この水平部分(H) と、二点鎖線で示した(H)とが、同一水平面に位置する関係とする。そして、前記(H)からθだけ傾斜させた辺(I) が、第4覆い片部(14)の傾斜部分を示している。
【0074】
この傾斜部分(I) と水平部分(H) とに同時に縁巻きを施すと、水平部分(H) では、縁巻き部(17)を構成する為の巻き代部分が、その巻き代長さ(W)だけ、水平な下案内溝(73)によって垂直方向に巻き上げられる。これに対し、傾斜部分(I) では、それに対応するように傾斜させた下案内溝(73)によって、その傾斜端縁に対して垂直な方向、すなわち、水平部分(H) に対する傾斜部分(I) の傾斜角度をθとすると、水平部分(H) における垂直な巻き上げ方向よりもθだけ、傾いた方向に向かって巻き上げられることとなる。
【0075】
これにより、傾斜部分(I) から水平部分(H) に至るコーナ部における所定範囲(L)においては、Wtanθの値に相当する範囲(S)が、垂直方向と、前記垂直方法よりもθだけ傾斜した方向の両方に引っ張られる為、その部分の金属箔が強制的に引き伸ばされることにより歪みが生じる。そして、前記傾斜角度(θ)と前記巻き代長さ(W)との関係によっては、前記コーナ部での所定範囲(L)に亀裂が生じてしまうという問題がある。
【0076】
従って、上記したような問題が生じないように、傾斜部分(I) の水平部分(H) に対する傾斜角度(θ)の範囲を設定しなければならない。許容される傾斜角度(θ)の範囲は、以下の数式により限定することができる。
【0077】
縁巻き部(17)の直径をDとすると、W≒πDとなる。
金属箔(A) の耐力をσ 、縦弾性係数をE、前記コーナ部での所定範囲(L)に相当する部分の端部の歪みをεとすると、
ε=S/L=Wtanθ/L
σ=E・ε=E・Wtanθ/L≦σ
∴tanθ≦L・σ /E・W
このように、第4覆い片部(14)の水平部分(H) に対する傾斜部分(I) の傾斜角度(θ)を上記数式により求められる範囲に限定することにより、コーナ部を破損させることなく、成型終了後の製品の外周端全域に縁巻き部(17)を形成することができる。
【0078】
尚、本件実施の形態で採用した金属箔(A) を使用した場合の成型可能な傾斜角度(θ)は、0〜30度である。
【0079】
所定範囲(L)は、縁巻き部の径や、水平部分(H) と傾斜部分(I) との成す角度等によって定まると考えられる。
【0080】
このままでは、成型終了後の製品も、両側の第4覆い片部(14)の奥側外端部(14a) 近傍は、水平状態を維持したままであるが、製品収容容器を、前記汁受け皿の断面形状に略一致するように成型しておけば、製品収容時に前記容器の型に沿わすように折り曲げながら収容することにより、両側の第4覆い片部(14)も、図6に示すように、所定形状に容易に折り曲げることができる。この部分は、使用者が前記汁受け皿に実際にセットする際にでも、容易に折り曲げることができるが、図4に示すように、折り曲げ線(19)を予め設けておけば、より一層折り曲げが容易となる。
【0081】
製品の保形性を保ちつつ、部分的に容易に折り曲げられるようにするために、この汁受け皿は20μ〜40μの軟質アルミニウム合金箔から成型する。特に、前記合金箔に含まれているアルミニウム以外の主要合金として、0〜0.15重量%のCuと、0.25〜0.50重量%のFeと、0.15〜0.60重量%のSiと、0.4〜1.20重量%のMnと、0.4〜1.0重量%のMgを含む構成とした。
【0082】
前記構成の軟質アルミニウム合金箔により成型された前記汁受け皿覆いは、適当な保形性と柔軟性を有することとなり、成型後でも、前記収容容器やガスコンロの汁受け皿の周辺部域に部分的に沿わせ易いものとなる。又、各成分の含有量を適度に選択することにより、強度と柔軟性が増し、上記の汁受け皿覆いの形状に適用できるばかりでなく、一般的に、厚さが20〜40μで、一辺が170〜650mmの正方形、長方形、楕円形で且成型深さ15〜60mmの成型品に対して成型し易いものとなる。
【0083】
尚、縁巻き部(17)は、図2に示すように、外側に向かってカーリングしておく。縁巻き部(17)を外巻き状態とすることにより、第3覆い片部(13)に付着した油や煮汁等の汚れが第4覆い片部(14)側へ流れ出した場合でも、第4覆い片部(14)の下端部(17a) と縁巻き部(17)の頂部までの間の部分にこれらの汚れを堰き止めておくことができ、前記汚れがカウンタートップ(50)にまで流れ落ちる不都合を極力避けることができる。尚、上記した実施の形態のものでは、縁巻き部(17)の直径は2mmに設定してある。
【0084】
第4覆い片部(14)の下端近傍(17b) を、図7に示すように、断面円弧状に形成しておけば、前記汚れ堰き止め効果は向上することとなる。
【0085】
さらに、図8に示すように、第4覆い片部(14)の下端から、フラット部(18)をカウンタートップ(50)に沿うように延長させ、その端部に縁巻き部(17)を外巻きに形成する構成とすれば、第4覆い片部(14)を流れ落ちる汚れは、フラット部(18)に溜ることとなり、ガスコンロの回りのカウンタートップ(50)の汚れは確実に防止することができる。
【図面の簡単な説明】
【図1】本発明の実施の形態のシステムキッチンガスコンロ用の汁受け皿覆いを示す平面図。
【図2】前記汁受け皿覆いを図9に示したシステムキッチンガスコンロに使用した場合における図1のX−X拡大断面図。
【図3】前記汁受け皿覆いを図9に示したシステムキッチンガスコンロに使用した場合における図1のY−Y拡大断面図。
【図4】本発明の実施の形態の汁受け皿覆いの斜視図。
【図5】本発明の実施の形態の汁受け皿覆いの成型完了時の状態を示す側面図。
【図6】図5に示す汁受け皿覆いの両側に位置する第4覆い片部(14)を折り曲げた状態を示す。
【図7】第4覆い片部(14)の第1の変形例を示す断面図。
【図8】第4覆い片部(14)の第2の変形例を示す断面図。
【図9】グリル排気口を後方に具備するシステムキッチンガスコンロの平面図。
【図10】従来の汁受け皿覆いを図9に示すガスコンロに使用した状態を示す断面図。
【図11】本発明実施の形態の上型部材装置と下型部材装置間に金属箔を配置させた初期状態を示す端面図。
【図12】(ア)は図11のア−ア部分端面図であり、(イ)は図11のイ−イ部分端面図。
【図13】本発明実施の形態の昇降部材(61)が上型部材(6) とともに降下した状態を示す端面図。
【図14】(ウ)は図13のウ−ウ部分端面図、(エ)は図13のエ−エ部分端面図、(オ)は図13のオ−オ部分端面図を示す。
【図15】本発明実施の形態の昇降部材(61)のみが下型部材(7) と固定部材(72)間に降下した状態を示す端面図。
【図16】(カ)は図15のカ−カ部分端面図、(キ)は図15のキ−キ部分端面図、(ク)は図15のク−ク部分端面図を示す。
【図17】本発明実施の形態の製造装置により、金属箔の剪断端縁に沿って縁巻き部(17)を形成する工程の終了状態を示す端面図。
【図18】(ケ)は図17のケ−ケ部分端面図、(コ)は図17のコ−コ部分端面図、(サ)は図17のサ−サ部分端面図を示す。
【図19】本発明実施の形態のシステムキッチンガスコンロ用の汁受け皿覆いにおける傾斜部分(I) の水平部分(H) に対する傾斜関係を示す説明図。
【符号の説明】
(10)・・・・・・・汁受け皿覆い部
(11)・・・・・・・第1覆い片部
(12)・・・・・・・第2覆い片部
(13)・・・・・・・第3覆い片部
(14)・・・・・・・第4覆い片部
(17)・・・・・・・縁巻き部
(20)・・・・・・・汁受け皿部
(21)・・・・・・・五徳載置部
(22)・・・・・・・立ち上がり部
(23)・・・・・・・平坦部
(24)・・・・・・・立ち下がり部
(2) ・・・・・・・フランジ部
尚、各図中同一符号は同一又は相当部分を示す。
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a soup pan cover, in particular, a horizontal side such as a soup pan cover for a so-called system kitchen gas stove comprising a plurality of stove sections and a soup pan cover for a system kitchen gas stove that can simultaneously cover the surrounding area. Further, the present invention relates to a metal foil molded body having a slanted side and a manufacturing method of the metal foil molded body and a manufacturing apparatus therefor.
[0002]
[Prior art]
As shown in FIG. 9 and FIG. 10, the system kitchen gas stove having a plurality of stove parts generally has a plurality of stove parts (25) and a juice receiving part (20) covering the periphery of the stove part (25). ), A virtuosity placement part (21) formed around the juice receiving part (20), and a flange part (2) formed around the virtuosity placement part (21). Five virtues (5) are placed and used on the placement part (21).
[0003]
The flange portion (2) includes a rising portion (22) continuous around the gortoku placement portion (21), a flat portion (23) continuous from the periphery of the rising portion (22), and a periphery of the flat portion (23). A rubber packing (P) is attached to the periphery of the lower end of the falling portion (24) and is stably disposed on the countertop (50). . In addition, the exhaust part (26) for grills is formed in the flat part (23) located in the back | inner side.
[0004]
A soup pan cover (30) for preventing the inside of the soup pan of this type system kitchen gas stove from becoming dirty due to spillage during cooking or splashing of oil is commercially available. This conventional juice tray cover (30) is a single plate-like sheet having an opening formed at a position corresponding to the burner of the stove portion (25) and covering the whole juice tray portion (20). As shown in FIG. 10, the virtues placing part (21) is covered with a covering piece (31) protruding from the periphery, and the virtues (5) are placed and used from above.
[0005]
[Problems to be solved by the invention]
In the conventional soy saucer cover (30) as described above, the inside of the soy saucer part (20) and the dirt of the virtuosity mounting part (21) can be prevented, but it is further removed from the sought-after resting part (21). Contamination of the flange part (2) that continues in the direction cannot be prevented.
[0006]
Therefore, it is conceivable to prepare an elongated rectangular, substantially L-shaped or frame-shaped sheet separately from the juice tray cover (30) and cover the flange portion (2).
[0007]
However, such a sheet must be prepared separately from the juice tray cover (30), and it is troublesome to coat each of them in a predetermined place of the juice tray, and there is a problem that handling is difficult.
[0011]
The invention according to claim 1 is excellent in strength even in a metal foil molded body having a complicated shape in which a horizontal side and an inclined side inclined with respect to the horizontal side are formed. It is an object of the present invention to provide a highly safe metal foil molded body that does not damage fingers or the like on each side.
[0012]
The invention according to claim 2 is a metal foil molded body having a basic flat surface and a flat surface inclined with respect to the basic flat surface, and is excellent in strength even when the end portion is provided on the inclined flat surface. And it makes it a subject to provide a metal foil molded object with high safety | security.
[0013]
The invention according to claim 3 is the same as that of the invention according to claim 2, even when the basic plane is provided with an end, as in the problem of the invention according to claim 2. An object of the present invention is to provide a metal foil molded body having excellent properties.
[0014]
The invention according to claim 4 is the case where even if the inclined edges having different heights at both ends are provided on a part of the periphery of the metal foil molded body such as the soup pan cover for the system kitchen gas stove. It is an object of the present invention to provide a method for producing a metal foil molded body capable of forming an edge winding portion, and the invention according to claim 5 is to provide an apparatus for producing the same.
[0021]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention according to claim 1 is described as follows: “It is formed by pressing a metal foil, and is connected to the horizontal side and the horizontal side, and the inclinations of the both ends are different. A metal foil molded body having sides, wherein an edge winding portion curled across the entire outer peripheral edge is formed at the same time during pressing so as to be continuous with both the horizontal side and the inclined side.
In this case, even when a metal foil molded body having a complicated shape that includes not only horizontal sides but also inclined sides as the sides constituting the outer circumference or inner circumference is molded, Since the edge winding part curled so as to be continuous to the periphery is provided, the strength at the peripheral part of the metal foil molded body is improved, and inconvenience such as cutting fingers at the peripheral part during handling. Nor.
[0022]
According to a second aspect of the present invention, there is provided a solution for solving a problem in which a metal foil molded body formed by pressing a metal foil, wherein a basic molding surface and a first plane defining the molding surface are provided. And an edge winding portion formed in the entire outer peripheral end including the end portion at the same time as pressing ”.
[0023]
Here, the basic molding surface is not limited to a horizontal plane and may be a curved surface, but is a surface that can be defined as a certain first plane. The second plane is a plane inclined with respect to the first plane and has an end portion. The end portion may be linear or curved, and the edge winding portion is simultaneously formed along the end portion over the entire outer peripheral edge during pressing.
[0024]
According to a third aspect of the present invention, in the configuration of the second aspect of the present invention, “a second end portion located on the molding surface and a second edge formed at the second end portion simultaneously with pressing. It is further provided with a winding part ”.
[0025]
The metal foil molded body has a configuration in which the end portions are provided on each of the first and second molding surfaces, and an edge winding portion is provided at each end portion at the same time as pressing.
[0026]
According to a fourth aspect of the present invention, there is provided a metal foil molded body having an inclined side having different heights at both ends and having an edge winding portion formed on the entire outer peripheral end including the inclined side. The metal foil is sandwiched between a pair of mold members each having an inclined end surface corresponding to the inclined side and facing each other, and the metal foil is inclined by pressing in a vertical direction. A step of cutting, a step of cutting the metal foil along the inclined portion, a step of pressing a predetermined portion inside the cut edge in the vertical direction, and the cutting while curling the pressed portion. And a step of forming the edge winding portion by pushing it up to a height ”.
[0027]
A metal foil serving as a molding material is disposed between the pressure end surfaces facing each other of the pair of mold members, and one metal mold member is moved vertically to the other mold member side to place the metal foil between the pressure end surfaces. Hold and press.
[0028]
Thereby, while the upper surface and lower surface of a metal foil molded object are each shape | molded by predetermined shape, a part of said metal foil will be shape | molded in an inclined state by the inclined end surface provided in the said pair of mold member.
[0029]
Then, the portion in the inclined state is cut at a position along the inclined portion while maintaining the posture, and pushed down along the edge of the inclined end surface of the mold member in the vertical direction. Therefore, the edge of the depressed portion also becomes an inclined side along the inclined end surface, and the inclined side is curled to the inclined portion of the metal foil molded body by pushing up the inclined side while curling to the cutting height in the vertical direction. The edge winding portion thus formed is formed.
[0030]
Each of these steps can be performed continuously.
[0031]
As an apparatus for such a manufacturing method, the metal according to the invention described in claim 5 is provided with inclined sides having different heights at both ends, and an edge winding portion is formed in the entire outer peripheral end including the inclined sides. An apparatus for manufacturing a foil molded body, wherein inclined end faces corresponding to the inclined sides and opposite to each other are formed, and the metal foil is sandwiched between them and pressed in the vertical direction to form the metal foil. A pair of first and second mold members that mold a predetermined portion in an inclined state, and are positioned on the first and second mold member sides, respectively, along the inclined end surfaces of the first and second mold members. And a pair of third and fourth mold members movable in the vertical direction, each having inclined end faces facing each other, and located between the first mold member and the third mold member, A slanted end surface along each slanted end surface of the first mold member and the third mold member; The metal foil is sheared at the edge of the fourth mold member on the second mold member side, and the shearing portion is pushed between the second mold member and the fourth mold member, while the second mold member and the second mold member are Between the second mold member and the fourth mold member, between the second mold member and the pushing member that moves relative to the fourth mold member in the vertical direction, and between the second mold member and the fourth mold member, A curling member having an inclined end surface corresponding to the inclined end surface of the push-in member and capable of sliding between the second die member and the fourth die member in the vertical direction while abutting against the push-in member. The curling member has an abutting surface with the pushing member, and a first groove on the arc is formed at a corner on the second mold member side, and the pushing member has an abutting surface with the curling member. Is formed with a second groove portion facing the first groove portion, and When the only member and the curling member abut and move in the vertical direction, the first and second groove portions form a curl groove portion for forming a part of the edge winding portion. Features can be adopted.
[0036]
【The invention's effect】
As described above, the invention according to claim 1 continuously forms the edge winding portion around the entire periphery of the metal foil molded body having a complicated shape having both the horizontal side and the inclined side. Since it was made possible, the strength and safety can be improved, and various shapes of metal foil moldings having edge winding portions can be molded. Thereby, the utilization field of a metal foil molded object will spread.
[0037]
The invention according to claim 2 is a metal foil molded body having a complicated configuration comprising one molding surface defined as a first plane and a second plane inclined with respect to the first plane. Since the edge winding portion is provided in the entire outer peripheral end including the end portion provided on the second plane, the end portion is distorted even if the finger touches the end portion, There is no inconvenience of cutting, and the strength and safety of the metal foil molded body can be ensured.
[0038]
Since the invention according to claim 3 has a configuration in which the end portion with the edge winding portion is also provided on the first plane of the invention according to claim 2, the shape of the metal foil molded body can be more complicatedly molded, and The field of use can be further expanded.
[0039]
According to the method of the invention described in claim 4, the step of inclining a part of the periphery of the metal foil molded body and the step of forming the edge winding portion on the inclined portion can be performed as a series of steps. From this, it is possible to easily mold a metal foil molded body having an inclined portion in which an edge winding portion is formed.
[0040]
Since the step of inclining a part of the periphery of the metal foil molded body and the step of forming the edge winding portion on the inclined portion can be continuously performed only by using the apparatus of the invention according to claim 5. Molding time can be shortened and workability is improved.
[0041]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described together with illustrated examples.
[0042]
FIG. 1 is a plan view showing a juice pan cover for a system kitchen gas stove according to an embodiment of the present invention.
[0043]
The system kitchen gas stove that covers the soup pan cover has, for example, a substantially rectangular dish shape that covers the entire periphery of the three stove parts (25) and the stove part (25) as shown in FIG. It consists of a soup pan (20), a five virtue mounting portion (21) formed around the upper end of the soup pan (20), and a flange (2) formed further outward. The flange portion (2) includes a rising portion, a flat portion (23), and a falling portion, and a grill exhaust port (26) is formed in the flat portion (23) on the back side.
[0044]
This soup pan cover has a substantially rectangular bottom portion (10a) corresponding to the above-described soup pan portion (20) and a peripheral wall (10b) surrounding the periphery of the soup pan cover portion (10b) from the four sides. ing. The bottom (10a) is provided with burner openings (1a), (1b) and (1c) at positions corresponding to the three stove parts, and the burner opening (1a) located on the back side and the front side Between the pair of burner openings (1b) (1c) located on the side, a bellows portion (15) having a corrugated cross section is formed. By extending or reducing the interval between the bellows portions (15), the positions of the burner openings (1a) (1b) (1c) can be adjusted so as to correspond to the positions of the burners of the stove portion. .
[0045]
Further, a dam portion (16) having a trapezoidal cross section is provided between the burner openings (1b) and (1c), and this dam portion (16) surrounds one of the burner openings (1b). And a certain range around the other burner opening (1c). As a result, boiled spills flowing out to one side are blocked by the weir part (16) and do not reach the other side.
[0046]
It goes without saying that the bellows portion (15) described above also functions as a weir that partitions between the burner opening (1a) and the burner openings (1b) (1c), to the periphery of the burner opening (1a). It is possible to prevent inconvenience that the spilled spilled out and the like reaches the burner openings (1b) and (1c).
[0047]
FIG. 2 is an XX cross-sectional view of FIG. 1 in a state where the soup pan cover is used in a gas stove of the system kitchen as described above, and FIG. 3 is a YY cross-sectional view.
[0048]
As shown in these figures, the first covering piece corresponding to the five virtue placement part (21) for placing the five virtues (5) from the entire upper peripheral area of the peripheral wall (10b) of the soup pan covering part (10). The part (11) is extended horizontally, and the second cover piece part (12) corresponding to the rising part (22) is continuously formed from the outer peripheral end of the first cover piece part (11). Yes.
[0049]
And from the upper end part of the 2nd covering piece part (12) located in the three sides of this side and both sides, as shown in Drawing 2, the 3rd covering piece part (13) corresponding to a flat part (23), Further, the fourth covering piece portion (14) corresponding to the falling portion (24) is provided, but the upper end of the second covering piece portion (12) located on the back side is as shown in FIG. It is assumed that the third cover piece (13) and the fourth cover piece (14) are not formed only by being slightly bent back.
[0050]
When the soup pan cover having the above configuration is installed on the soup pan portion (20) of the system kitchen gas stove as described above, the flange portion (2) protruding from the near side and both sides of the soup pan portion (20) extends over the entire area. It will be coat | covered with a 4th cover piece part (14) from a 2nd cover piece part (12), and the contamination of this part can be prevented.
[0051]
Moreover, since the 3rd cover piece part (13) and the 4th cover piece part (14) are not formed in the upper end of the 2nd cover piece part (12) located in a back | inner side, a flat part (23 on the back side) The upper portion of the grill exhaust port (26) formed in () is not blocked by these cover pieces.
[0052]
Also, the outer peripheral end of the fourth covering piece portion (14) on the front side and both sides and the upper end portion of the second covering piece portion (12) located on the back side are curled, and the edge winding portion (17) is the outer peripheral end. It is formed over the entire area. Such an edge winding part (17) can be formed simultaneously with the molding of the soup pan cover.
Next, the process for forming the juice pan cover according to the embodiment of the present invention will be described.
[0053]
As described above, the outer peripheral edge of the soup pan cover is extended to the lower end of the falling part (24) by extending the fourth cover piece part (14) on the front side and the three sides of the counter top (50). Although it has reached the upper surface, since the second covering piece portion (12) on the back side is cut off after covering the upper end of the rising portion (22), it is on the front side and both sides of the juice pan covering The height of the outer peripheral edge is different between the three directions and the back side. That is, the outer end portion (14a) at the back end of the fourth covering piece portion (14) is inclined toward the upper end portion of the second covering piece portion (12) on the back side as shown in FIG. It becomes a mode of rising vertically.
[0054]
In order to continuously form the edge winding portion (17) also at the outer side outer end portion (14a) of the fourth covering piece portion (14), the fourth covering piece portion (14) located on both sides is formed. The front end (14b) is molded in a state of being bent downward according to the shape of the product, and the vicinity of the back outer end (14a) is molded horizontally. That is, when this state is viewed from the side, as shown in FIG. 5, the outer peripheral ends of the fourth covering piece portions (14) located on both sides of the juice receiving pan cover are gently inclined from the front end toward the back side. The edge winding portion (17) can be formed at the same time as the molding by the same method as the conventional edge winding molding method at the outer peripheral end portion in the inclined state.
[0055]
The specific manufacturing apparatus and manufacturing method will be described as follows.
[0056]
FIG. 11 is an end view showing a state in which the metal foil (A), which is a molding material, is horizontally disposed between the upper mold member (6) and the lower mold member (7) whose pressing end surfaces face each other. It is.
[0057]
The outer shape of the upper die member (6) and the lower die member (7) is such that the front end (14b) of the fourth covering piece (14) is suspended and the outer outer end (14a) is as described above. ) Is approximately the same as that of the soup pan cover for the horizontal system kitchen gas stove. By pressing the metal foil (A) from above and below with the upper mold member (6) and lower mold member (7), The foil (A) is molded into the shape of the juice tray cover. At this time, the left end of the upper mold member (6) and the lower mold member (7) in the same figure molded the front end (14b) of the fourth covering piece (14), and the right end was The back outer end (14a) of the fourth covering piece (14) is molded. FIG. 12A shows an end view of the section of FIG. 11 and FIG. 12B shows an end view of the section of FIG. Accordingly, the right end portion in FIG. 11 of the upper mold member (6) for molding the rear outer end (14a) side in the horizontal posture of the fourth covering piece portion (14) is as shown in FIG. Further, the left end portion in FIG. 11 of the upper mold member (6) formed on the horizontal pressure end surface and molding the front end portion (14b) side hanging from the third covering piece portion (13) is It can be understood that the position is lower than the horizontal pressure end face at the right end.
[0058]
Then, an upper mold member (6) and a lower mold member (7) for molding an inclined portion of the fourth covering piece portion (14) between the front side end portion (14b) and the back side outer end portion (14a). As shown in FIG. 11, each of the pressure end surfaces is an inclined end surface (60) (70) corresponding to the degree of inclination of the outer peripheral end of the fourth covering piece (14).
[0059]
In the outer peripheral area of the upper mold member (6), there is an inner peripheral shape corresponding to the outer peripheral shape of the upper mold member (6), and a part of the lower end surface is an inclined surface along the inclined end surface (60). The lifting member (61) is disposed, and a gap corresponding to the thickness of the metal foil (A) is provided between the lifting member (61) and the upper mold member (6). ing. In the further outer peripheral area of the elevating member (61), there is a lower end surface having an inner peripheral shape corresponding to the outer peripheral shape of the elevating member (61) and having an inclined surface along the lower end surface of the elevating member (61). An outer frame member (62) is disposed.
[0060]
In the outer peripheral area of the lower mold member (7), there is provided a curling member (71) located just below the elevating member (61) and having an upper end surface corresponding to the lower end surface of the elevating member (61). Further, a fixing member (72) having an upper end surface corresponding to the lower end surface of the outer frame member (62) is disposed in a further outer peripheral area of the curling member (71) just below the elevating member (61). ing. The curling member (71) is slidable up and down between the lower mold member (7) and the fixing member (72).
[0061]
The elevating member (61) can be lowered between the lower mold member (7) and the fixing member (72). In the lowered state, the elevating member (61) and the lower mold member (7) The gap is also formed between them.
[0062]
Further, an upper outer edge (61a) is provided on the outer edge of the lower end surface of the elevating member (61), and the elevating member (61a) is provided on the inner end edge of the upper end surface of the fixing member (72). A lower outer diameter cutting edge (72a) is provided which comes into relative contact with the upper outer diameter cutting edge (61a) when 61) is lowered. Due to the relative contact between the upper outer diameter blade edge (61a) and the lower outer diameter blade edge (72a), the metal foil (A) is sheared at the contact position between the upper outer diameter blade edge (61a) and the lower outer diameter blade edge (72a). Will be.
[0063]
An arc-shaped lower guide groove (73) is formed on the inner end edge of the upper end surface of the curling member (71), and a lower guide groove (73) is formed on the inner end edge of the lower end surface of the elevating member (61). 73) is formed with an arcuate upper guide groove (63) opposite to 73). Further, when the elevating member (61) descends between the lower mold member (7) and the fixing member (72), and its lower end surface abuts on the upper end surface of the curling member (71), the upper guide groove ( 63) and the lower guide groove (73) form a curled groove portion for forming an edge winding portion at the shearing edge of the metal foil (A).
[0064]
Next, a manufacturing method for manufacturing a soup pan cover for a system kitchen gas stove in which a part of the outer peripheral edge is an inclined side and an edge winding portion is provided on the inclined side in the manufacturing apparatus described above will be described. .
[0065]
First, as shown in FIG. 11, an upper mold member device composed of an upper mold member (6), an elevating member (61) and an outer frame member (62), a lower mold member (7), a curling member (71) and a fixed member. A metal foil (A), which is a material for covering the soup pan, is placed between the lower mold member device composed of the member (72). Then, as shown in FIG. 13, the entire upper mold member device is lowered in the vertical direction to sandwich the metal foil (A) between the upper mold member device and the lower mold member device. The abutting surface between the upper die member (6) and the lower die member (7) and the abutting surface between the elevating member (61) and the curling member (71) are positioned below the upper end surface of the fixing member (72). Thus, the upper mold member (6) and the elevating member (61) are lowered together with the lower mold member (7) and the curling member (71).
[0066]
Part of the pressure end face of the upper mold member (6) and the lower mold member (7) is an inclined end face (60) (70) corresponding to the inclination of the fourth covering piece (14). An inclined portion can be formed on the foil (A), and at the same time, an upper outer diameter cutting edge (61a) provided on the outer edge of the lower end surface of the elevating member (61) and the upper end surface of the fixing member (72). The lower outer diameter cutting edge (72a) provided on the inner edge is relatively in contact, and the metal foil (A) has an upper outer diameter cutting edge (61a) and a lower outer diameter cutting edge ( 72a) and is sheared at the contact position. 14C is an end view of the woo portion of FIG. 13 in a state in which the upper mold member 6 and the elevating member 61 are lowered, and FIG. 14D is an end view of the AE portion of FIG. FIG. 14 and FIG. 14 (o) show an end view of the partial section of FIG.
[0067]
After the shearing, as shown in FIG. 15, only the elevating member (61) is lowered together with the curling member (71) between the fixing member (72) and the lower mold member (7). 16 is an end view of the car part of FIG. 15, FIG. 16 is an end view of the key part of FIG. 15, and FIG. 16 is an end view of the cook part of FIG. Show.
[0068]
Simultaneously with the shearing, the range from the shearing edge of the metal foil (A) to the clamping edge of the upper mold member (6) and the lower mold member (7) is the lower mold member (7) and the fixing member ( 72), the inner end of the lower end surface of the elevating member (61) descending between the upper and lower members (72) bends 90 degrees along the outer wall of the lower mold member (7). At this time, since a gap corresponding to the thickness of the metal foil (A) is formed between the elevating member (61) and the lower mold member (7), the metal foil (A) can be bent smoothly. Can be done.
[0069]
As the elevating member (61) is lowered, the curling member (71) is also lowered, and the lower guide groove (73) of the curling member (71) extends over the entire circumference below the bent end of the metal foil (A). Will face each other.
[0070]
After the elevating member (61) reaches the bottom dead center, the elevating member (61) rises with the lower end surface of the elevating member (61) and the upper end surface of the curling member (71) abutting each other. At this time, the bent end of the metal foil (A) is rolled up while being curled in the curled groove portion constituted by the lower guide groove (73) and the upper guide groove (63), as shown in FIG. As described above, when the abutting surface between the elevating member (61) and the curling member (71) reaches the upper end surface of the fixing member (72), the formation of the edge winding portion (17) is completed.
[0071]
18 is an end view of the portion of the cake of FIG. 17 showing the state where the edge winding portion (17) is completed, and FIG. 18 is a portion of the portion of FIG. 18 is an end view, and FIG. 18 (sa) is a partial view of the portion of the sensor in FIG.
[0072]
In this manner, the edge winding portion (17) can be formed over the entire outer peripheral end of the product after molding.
[0073]
FIG. 19 is a diagram for explaining the influence of the inclined side when edge winding is performed. (H) of the figure shows a horizontal portion on the front side end portion (14b) or the back side outer end portion (14a) side of the fourth covering piece portion (14), and this horizontal portion (H), Indicated by a two-dot chain line (H1) Are located on the same horizontal plane. And (H1) From the side (I) inclined by θ represents the inclined portion of the fourth covering piece (14).
[0074]
When edge winding is simultaneously applied to the inclined portion (I) and the horizontal portion (H), in the horizontal portion (H), the winding margin portion for constituting the edge winding portion (17) is the winding margin length ( W) is wound up in the vertical direction by the horizontal lower guide groove (73). On the other hand, in the inclined portion (I), the lower guide groove (73) inclined corresponding to the inclined portion (I) has a direction perpendicular to the inclined edge, that is, the inclined portion (I) with respect to the horizontal portion (H). If the inclination angle of () is θ, it is wound in a direction inclined by θ rather than the vertical winding direction in the horizontal portion (H).
[0075]
As a result, in the predetermined range (L) in the corner portion from the inclined portion (I) to the horizontal portion (H), the range (S) corresponding to the value of Wtanθ is only θ in the vertical direction and the vertical method. Since it is pulled in both the inclined directions, the metal foil in that portion is forcibly stretched to cause distortion. Further, depending on the relationship between the inclination angle (θ) and the winding allowance length (W), there is a problem that a crack occurs in the predetermined range (L) at the corner portion.
[0076]
Therefore, the range of the inclination angle (θ) with respect to the horizontal portion (H) of the inclined portion (I) must be set so that the above-described problems do not occur. The range of the allowable inclination angle (θ) can be limited by the following mathematical formula.
[0077]
When the diameter of the edge winding portion (17) is D, W≈πD.
The proof stress of metal foil (A) is σy  When the longitudinal elastic modulus is E and the strain at the end of the portion corresponding to the predetermined range (L) at the corner is ε,
ε = S / L = Wtanθ / L
σ = E · ε = E · Wtanθ / L ≦ σy
∴tanθ ≦ L ・ σy  / E ・ W
As described above, by limiting the inclination angle (θ) of the inclined portion (I) with respect to the horizontal portion (H) of the fourth covering piece portion (14) to the range obtained by the above formula, the corner portion is not damaged. The edge winding portion (17) can be formed over the entire outer peripheral end of the product after the completion of molding.
[0078]
In addition, the moldable inclination angle (θ) when using the metal foil (A) employed in the present embodiment is 0 to 30 degrees.
[0079]
The predetermined range (L) is considered to be determined by the diameter of the edge winding portion, the angle formed by the horizontal portion (H) and the inclined portion (I), or the like.
[0080]
In this state, the product after completion of the molding also maintains the horizontal state in the vicinity of the back outer end (14a) of the fourth covering pieces (14) on both sides. 6 is also shown in FIG. 6 by forming the product so that it substantially matches the cross-sectional shape of the product, while accommodating the product while accommodating it while being folded along the shape of the container. Thus, it can be easily bent into a predetermined shape. This portion can be easily folded even when the user actually sets the juice on the juice tray, but as shown in FIG. 4, if the folding line (19) is provided in advance, the portion can be further folded. It becomes easy.
[0081]
The soy saucer is molded from a soft aluminum alloy foil of 20 μm to 40 μm so that it can be easily folded partially while maintaining the shape retention of the product. In particular, as a main alloy other than aluminum contained in the alloy foil, 0 to 0.15 wt% Cu, 0.25 to 0.50 wt% Fe, and 0.15 to 0.60 wt% Of Si, 0.4 to 1.20 wt% Mn, and 0.4 to 1.0 wt% Mg.
[0082]
The soup pan cover molded by the soft aluminum alloy foil having the above configuration has appropriate shape retention and flexibility, and even after molding, partially in the peripheral area of the soup pan of the container or gas stove. It will be easy to follow. In addition, by appropriately selecting the content of each component, strength and flexibility are increased, and not only can it be applied to the shape of the above-mentioned juice tray cover, but generally the thickness is 20 to 40 μm and one side is It becomes easy to mold a molded product having a square, rectangular or elliptical shape of 170 to 650 mm and a molding depth of 15 to 60 mm.
[0083]
The edge winding portion (17) is curled outward as shown in FIG. Even if dirt such as oil or boiled juice adhering to the third covering piece portion (13) flows out to the fourth covering piece portion (14) side by setting the edge winding portion (17) to the outer winding state, These dirts can be dammed in a portion between the lower end part (17a) of the covering piece part (14) and the top part of the edge winding part (17), and the dirt flows down to the counter top (50). Inconvenience can be avoided as much as possible. In the above-described embodiment, the edge winding portion (17) has a diameter of 2 mm.
[0084]
If the vicinity of the lower end (17b) of the fourth covering piece (14) is formed in a circular arc shape as shown in FIG. 7, the dirt damming effect is improved.
[0085]
Furthermore, as shown in FIG. 8, the flat part (18) is extended from the lower end of the fourth covering piece part (14) along the countertop (50), and the edge winding part (17) is provided at the end part. If it is configured to be externally wound, dirt flowing down the fourth covering piece (14) will accumulate in the flat part (18), and dirt on the countertop (50) around the gas stove is surely prevented. Can do.
[Brief description of the drawings]
FIG. 1 is a plan view showing a soup pan cover for a system kitchen gas stove according to an embodiment of the present invention.
2 is an enlarged cross-sectional view taken along the line XX of FIG. 1 when the soup pan cover is used in the system kitchen gas stove shown in FIG. 9;
3 is a YY enlarged cross-sectional view of FIG. 1 when the soup pan cover is used for the system kitchen gas stove shown in FIG. 9;
FIG. 4 is a perspective view of a juice tray cover according to an embodiment of the present invention.
FIG. 5 is a side view showing a state at the completion of molding of the juice tray cover according to the embodiment of the present invention.
6 shows a state in which the fourth cover pieces (14) located on both sides of the soup pan cover shown in FIG. 5 are bent. FIG.
FIG. 7 is a cross-sectional view showing a first modification of the fourth covering piece (14).
FIG. 8 is a cross-sectional view showing a second modification of the fourth covering piece (14).
FIG. 9 is a plan view of a system kitchen gas stove equipped with a grill exhaust port on the rear side.
10 is a cross-sectional view showing a state where a conventional soup pan cover is used in the gas stove shown in FIG.
FIG. 11 is an end view showing an initial state in which a metal foil is disposed between an upper mold member device and a lower mold member device according to an embodiment of the present invention.
12A is a partial end view of the section AA in FIG. 11, and FIG. 12B is an end view of the EA section in FIG. 11;
FIG. 13 is an end view showing a state where the elevating member (61) according to the embodiment of the present invention is lowered together with the upper die member (6).
14 (c) is an end view of the woo portion of FIG. 13, FIG. 14 (d) is an end view of the va portion of FIG. 13, and FIG. 14 (o) is an end view of the au portion of FIG.
FIG. 15 is an end view showing a state in which only the elevating member (61) of the embodiment of the present invention is lowered between the lower mold member (7) and the fixing member (72).
16 is an end view of the car portion of FIG. 15, (K) is an end view of the key portion of FIG. 15, and (K) is an end view of the cook portion of FIG.
FIG. 17 is an end view showing an end state of the step of forming the edge winding portion (17) along the shear edge of the metal foil by the manufacturing apparatus according to the embodiment of the present invention.
18A is a partial end view of the case of FIG. 17, FIG. 18B is a partial end view of the core of FIG. 17, and FIG. 18B is an end view of the partial portion of FIG.
FIG. 19 is an explanatory diagram showing an inclination relationship between the inclined portion (I) and the horizontal portion (H) in the soup pan cover for the system kitchen gas stove according to the embodiment of the present invention.
[Explanation of symbols]
(10) ..... Juice tray cover
(11) ........ First cover piece
(12) .... Second cover piece
(13) ... 3rd cover piece
(14) ... 4th cover piece
(17) .... Edge winding part
(20) ..... Juice tray part
(21) .... Gotoku Place
(22) ... Rising part
(23) ..... Flat part
(24) ... Falling part
(2) .... Flange
In the drawings, the same reference numerals indicate the same or corresponding parts.

Claims (6)

金属箔をプレス加工することによって形成され、水平な辺と、前記水平な辺に接続し、その両端の高さが異なる傾斜辺を具備する金属箔成型体であって、前記水平な辺と前記傾斜辺の両方に連続するようにプレス時に同時に外周端全域にカーリングされた縁巻き部を形成してなる金属箔成型体。It is formed by pressing a metal foil, and is a metal foil molded body having a horizontal side and an inclined side connected to the horizontal side and having different heights at both ends, the horizontal side and the horizontal side A metal foil molded body formed by forming an edge winding portion curled around the entire outer peripheral edge at the time of pressing so as to be continuous with both of the inclined sides. 金属箔をプレス加工することによって形成された金属箔成型体であって、
基本となる成型面と、
前記成型面を規定する第1の平面に対して傾斜する第2の平面に位置する端部と、
プレス時に同時に前記端部を含む外周端全域に形成された縁巻き部とを備えた金属箔成型体。
A metal foil molded body formed by pressing a metal foil,
Basic molding surface,
An end located in a second plane inclined with respect to the first plane defining the molding surface;
A metal foil molded body provided with an edge winding portion formed on the entire outer peripheral end including the end portion simultaneously with pressing.
前記成型面に位置する第2の端部と、
プレス時に同時に前記第2の端部に形成された第2の縁巻き部とをさらに備えた請求項2に記載の金属箔成型体。
A second end located on the molding surface;
The metal foil molded body according to claim 2, further comprising a second edge winding portion formed at the second end portion simultaneously with pressing.
両端の高さが異なる傾斜辺を具備し且前記傾斜辺を含む外周端全域に縁巻き部を形成してなる金属箔成型体の製造方法であって、
前記傾斜辺に対応し且相互に対向する傾斜端面を具備する一対の型部材間に金属箔を挟み、垂直方向にプレス加工することにより、前記金属箔に傾斜部分を設ける工程と、
前記傾斜部分に沿って金属箔を裁断する工程と、
前記裁断された端縁よりも内側の所定部分を前記垂直方向に押し下げる工程と、
前記押し下げられた部分をカーリングさせながら前記裁断高さまで押し上げることにより前記縁巻き部を形成する工程とを備えたことを特徴とした金属箔成型体の製造方法。
A method for producing a metal foil molded body comprising inclined sides having different heights at both ends and forming an edge winding portion over the entire outer peripheral end including the inclined sides,
A step of providing an inclined portion in the metal foil by sandwiching the metal foil between a pair of mold members corresponding to the inclined sides and having inclined end surfaces facing each other, and pressing in a vertical direction;
Cutting the metal foil along the inclined portion;
Pressing down a predetermined portion inside the cut edge in the vertical direction;
And a step of forming the edge winding portion by pushing up the depressed portion to the cutting height while curling the depressed portion.
両端の高さが異なる傾斜辺を具備し且前記傾斜辺を含む外周端全域に縁巻き部を形成してなる金属箔成型体の製造装置であって、
前記傾斜辺に対応し且相互に対向する傾斜端面が各々形成されており、金属箔を間に挟み、垂直方向にプレス加工することにより、前記金属箔の所定部分を傾斜状態に成型する一対の第1、第2型部材と、
前記第1、第2型部材側にそれぞれ位置し、前記第1、第2型部材の前記各傾斜端面に沿って位置し且相互に対向する傾斜端面が各々形成されている前記垂直方向に移動自在の一対の第3、第4型部材と、
前記第1型部材と前記第3型部材との間に位置し、前記第1型部材と前記第3型部材の各傾斜端面に沿った傾斜端面を具備し、且、前記金属箔を、前記第4型部材の第2型部材側の端縁で剪断するとともに、前記剪断部分を、前記第2型部材と第4型部材間に押し込みながら、前記第2型部材と第4型部材との間へ、前記第2型部材と第4型部材に対して前記垂直方向に相対移動する押し込み部材と、
前記第2型部材と前記第4型部材との間に位置し、前記押し込み部材の傾斜端面に対応する傾斜端面を具備し、前記押し込み部材と衝合しながら、前記第2型部材と前記第4型部材間を前記垂直方向に摺動可能なカーリング部材とからなり、
前記カーリング部材の前記押し込み部材との衝合面であって、前記第2型部材側の隅部に円弧上の第1溝部が形成され、
前記押し込み部材の前記カーリング部材との衝合面には、前記第1溝部に対向する第2溝部が形成され、
前記押し込み部材と前記カーリング部材とが衝合し且前記垂直方向に移動した時に、前記第1、第2溝部で、前記縁巻き部の一部を形成する為のカール溝部が構成されることを特徴とする金属箔成型体の製造装置。
An apparatus for producing a metal foil molded body comprising inclined sides having different heights at both ends and forming an edge winding portion over the entire outer peripheral end including the inclined sides,
A pair of inclined end faces corresponding to the inclined sides and opposed to each other are formed, and a predetermined portion of the metal foil is formed into an inclined state by pressing the metal foil between them and pressing in the vertical direction. First and second mold members;
The first and second mold members are respectively positioned on the side of the first and second mold members. The first and second mold members are moved along the inclined end surfaces and opposed to each other in the vertical direction. A free pair of third and fourth mold members;
The first mold member and the third mold member are located between the first mold member and the third mold member, and each of the first mold member and the third mold member has an inclined end surface. While shearing at the edge of the fourth mold member on the second mold member side, while pushing the shearing portion between the second mold member and the fourth mold member, the second mold member and the fourth mold member A pushing member that moves relative to the second mold member and the fourth mold member in the vertical direction.
The second mold member and the fourth mold member are disposed between the second mold member and the fourth mold member, and have an inclined end surface corresponding to the inclined end surface of the push-in member. A curling member that is slidable in the vertical direction between the four type members
The abutting surface of the curling member with the pushing member is formed with a first groove on the arc at a corner on the second mold member side,
A second groove portion facing the first groove portion is formed on the abutting surface of the pushing member with the curling member,
When the pushing member and the curling member abut and move in the vertical direction, the first and second groove portions form a curl groove portion for forming a part of the edge winding portion. An apparatus for producing a metal foil molded product.
前記第1、第2型部材の前記各傾斜端面の傾斜角度を、30度以下とした請求項5に記載の金属箔成型体の製造装置。The apparatus for manufacturing a metal foil molded body according to claim 5, wherein an inclination angle of each of the inclined end faces of the first and second mold members is 30 degrees or less.
JP2001117746A 1996-03-28 2001-04-17 Metal foil molded body, metal foil molded body manufacturing method and manufacturing apparatus thereof Expired - Lifetime JP3635040B2 (en)

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