JP5290569B2 - Manufacturing method and manufacturing apparatus of metal bottle container with screw. - Google Patents

Manufacturing method and manufacturing apparatus of metal bottle container with screw. Download PDF

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JP5290569B2
JP5290569B2 JP2007327073A JP2007327073A JP5290569B2 JP 5290569 B2 JP5290569 B2 JP 5290569B2 JP 2007327073 A JP2007327073 A JP 2007327073A JP 2007327073 A JP2007327073 A JP 2007327073A JP 5290569 B2 JP5290569 B2 JP 5290569B2
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mouth
skirt
processing
manufacturing
container body
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JP2009148777A (en
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弘行 住吉
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Takeuchi Press Industries Co Ltd
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Takeuchi Press Industries Co Ltd
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<P>PROBLEM TO BE SOLVED: To provide a method and a device for manufacturing a screwed metallic bottle container by which the occurrence of wrinkles in a portion in the lower part of a screw part and a skirt part and the extension from the wrinkles to cracks are prevented. <P>SOLUTION: In the method for manufacturing the screwed metallic bottle container which is made from a metallic material by an impacting work, a drawing work or a draw-ironing work and a screw part is formed in the mouth part of the container body, in this method for manufacturing the screwed metallic bottle container, a recessed part is formed in the mouth part by pressurizing skirt working roll on the outer peripheral surface of the mouth part in the lower part of the skirt part and rotating in order to form the skirt part on the underside of the screw part of the mouth part. <P>COPYRIGHT: (C)2009,JPO&amp;INPIT

Description

本発明は、ねじ付金属ボトル容器の製造方法及び装置に関し、さらに詳しくは、ねじ部及びスカート部の皺の発生防止及び小さな皺が発生しても、それ以上割れに拡大するのを防止した、ねじ付金属ボトル容器の製造方法及び製造装置に関するものである。   The present invention relates to a method and an apparatus for manufacturing a threaded metal bottle container, and more specifically, the generation of wrinkles in a threaded portion and a skirt portion, and even if small wrinkles occur, further expansion into cracks is prevented. The present invention relates to a manufacturing method and a manufacturing apparatus for a threaded metal bottle container.

従来、ねじ付金属ボトル容器の口部に、ねじ部が形成されると共に、このねじ部の下方にはスカート部が形成されている。そして、このスカート部下部の傾斜面には、キャップ開封のバージン性を証明するブリッジを有するキャップの裾部が巻き締められている（図示せず）。従来、スカート部の加工方法としては、容器本体のネッキング工程後に、絞り金型を用いて一旦絞り加工を施した後、その上部のねじ部及びスカート部を形成する部位に、口広げ加工を施して口部外径を拡大する加工方法が行われている。このような従来のスカート部の加工方法として図７に示す。図７（Ｘ）は、容器本体５０に、絞り金型５１と絞り中子５２で、容器本体５０の肩部に、肩部立上がり部５３を成形する工程である。次に図７（Ｙ）は、口広げガイド金型５４と口広げ中子５５で、肩部立上がり部５３の上部に凹部５６を形成するために、一旦絞った部位に口広げ加工を施す工程である。又図７（Ｚ）は、ねじ加工外駒５７とねじ加工内駒５８で、スカート部５９を形成すると同時に、その上部にねじ部６０を成形する工程である。図７（Ｗ）は、容器本体５０の先端にカール部６１を形成すると共に、側面外側に平面部を形成する工程である。従来は、図７（Ｙ）に示すように、絞り金型を用いて、一旦絞り加工を施した後、口広げ加工を施して、口部外径を拡大する加工方法が行われていたが、このように一旦絞り加工を施した後、口部外径を拡大する、口広げ加工方法を開示した文献としては特許文献１がある。
特開２０００−１５３７１号 Conventionally, a threaded portion is formed at the mouth of a threaded metal bottle container, and a skirt portion is formed below the threaded portion. And the skirt part of the cap which has a bridge which proves the virgin property of cap opening is wound around the inclined surface of this skirt part lower part (not shown). Conventionally, as a processing method of the skirt portion, after the necking process of the container main body, after the drawing processing is once performed using a drawing die, the opening portion is applied to a portion where the screw portion and the skirt portion on the upper portion are formed. A processing method for enlarging the outer diameter of the mouth has been performed. FIG. 7 shows such a conventional skirt processing method. FIG. 7X shows a process of forming a shoulder rising portion 53 on the shoulder portion of the container body 50 by using the drawing die 51 and the drawing core 52 on the container body 50. Next, FIG. 7 (Y) shows a process of spreading the squeezed portion in order to form the concave portion 56 on the upper portion of the shoulder rising portion 53 by the widening guide die 54 and the widening core 55. It is. 7 (Z) shows a step of forming the skirt portion 59 at the same time as the skirt portion 59 by the screw processing outer piece 57 and the screw processing inner piece 58, and at the same time forming the screw portion 60 thereon. FIG. 7 (W) is a step of forming a curled portion 61 at the tip of the container body 50 and forming a flat portion on the outside of the side surface. Conventionally, as shown in FIG. 7 (Y), a drawing method has been used in which a drawing die is used to once draw and then a mouth widening process to enlarge the outer diameter of the mouth. As a document disclosing a mouth-opening processing method for expanding the outer diameter of the mouth portion after the drawing processing in this way, there is Patent Literature 1.
JP 2000-15371 A

しかしながら、従来の製造方法においては、図７（Ｙ）の工程において、口広げガイド金型５４と口広げ中子５５で、肩部立上がり部５３の上部に、凹部５６を形成するために、一旦絞った部位に口広げ加工を施した場合、図９に示すように、ねじ部６０又はスカート部５９の部位に、皺αが発生すると共に、小さな皺αが口広げ加工によりさらに拡大して割れになるという欠点があった。
本発明は、このような課題に着目してなされたものであり、スカート部５９の加工方法及び加工装置を変更することにより、ねじ部の皺の発生防止、及び仮に小さな皺が発生しても、それ以上割れに拡大するのを防止することにより、内容物の漏洩を防止した、ねじ付金属ボトル容器の製造方法及び製造装置を提供することを目的とする。 However, in the conventional manufacturing method, in order to form the concave portion 56 on the upper portion of the shoulder rising portion 53 by the widening guide die 54 and the widening core 55 in the step of FIG. When the squeezed portion is subjected to the flaring process, as shown in FIG. 9, 皺 α is generated at the screw portion 60 or the skirt portion 59, and the small 皺 α is further enlarged and cracked by the flaring process. There was a drawback of becoming.
The present invention has been made paying attention to such a problem. By changing the processing method and the processing apparatus of the skirt portion 59, the generation of wrinkles in the threaded portion can be prevented, and even if small wrinkles are generated. An object of the present invention is to provide a method and an apparatus for manufacturing a threaded metal bottle container that prevents leakage of contents by preventing further expansion into cracks.

この課題を解決するため、請求項１記載の発明の解決手段は、金属材料からインパクト加工、絞り加工又は絞りしごき加工によって造られ、かつ容器本体の口部にねじ部が形成される、ねじ付金属容器の製造方法において、該口部のねじ部下側にスカート部を形成するために、ネッキング加工工程の最終工程と、ねじ加工工程の間に、該スカート部下部になるべき部位の口部外周面に、スカート加工ロールを押圧し回転することにより、口部に凹部を形成することを特徴とするねじ付金属ボトル容器の製造方法である。
In order to solve this problem, the solving means of the invention according to claim 1 is a screwed structure in which a metal part is made by impact machining, drawing or drawing and ironing, and a screw part is formed at the mouth of the container body. In the metal container manufacturing method, in order to form the skirt portion below the screw portion of the mouth portion, the outer periphery of the mouth portion of the portion that should be the lower portion of the skirt portion between the final step of the necking step and the screw processing step It is a manufacturing method of a metal bottle container with a screw characterized by forming a crevice in a mouth part by pressing and rotating a skirt processing roll on the surface.

請求項２記載の発明の解決手段は、凹部を形成するスカート部下部の加工が、スカート部下部の予備加工であることを特徴とする、ねじ付金属ボトル容器の製造方法である。   According to a second aspect of the present invention, there is provided a method for producing a threaded metal bottle container, characterized in that the processing of the lower part of the skirt part forming the concave part is preliminary processing of the lower part of the skirt part.

請求項３記載の発明の解決手段は、前記スカート部下部の本成形が、ねじ加工と同時に行われることを特徴とする、ねじ付金属ボトル容器の製造方法である。
According to a third aspect of the present invention, there is provided a method for producing a threaded metal bottle container, characterized in that the main forming of the lower part of the skirt portion is performed simultaneously with the screw processing .

請求項４記載の発明の解決手段は、上記のねじ付金属ボトル容器の製造方法により製造されることを特徴とするねじ付金属ボトル容器である。。 According to a fourth aspect of the present invention, there is provided a threaded metal bottle container manufactured by the above-described method for manufacturing a threaded metal bottle container. .

請求項５記載の発明の解決手段は、請求項１乃至３記載のねじ付金属ボトル容器の製造方法に用いる装置であって、容器本体の口部をガイドする口元ガイドと、スカート加工ロールを回転する回転機構と、スカート加工ロールを、容器本体の口部外周に当接又は離脱するカム機構と、口部外周に凹部を成形するスロット加工装置とから構成され、（ａ）前記口元ガイドは、容器本体の口部を内側からガイドするため、容器本体の軸方向に前進又は後退することにより、容器本体の口部に挿入又は離脱され、（ｂ）前記回転機構は、スカート加工ロールが支持軸及び基盤により支えられ、容器本体の口部外周に公転せしめられ、（ｃ）前記カム機構は、ネッキングマシンの前進又は後退に同調して、前進又は後退するカムと、支持軸上端に回転自在に取付られる円形ベアリングと、支点を中心に回転する支持軸とから成り、前記カムと円形ベアリングの係合により、スカート加工ロールを容器本体の口部に当接又は離隔せしめ、（ｄ）前記スロット加工装置は、基盤及び複数の支持軸に支持され、容器本体の口部外周を押圧して、口部に凹部を形成する複数のスカート加工ロールから構成されることを特徴とする、ねじ付金属ボトル容器の製造装置である。
According to a fifth aspect of the present invention, there is provided a solution means for use in the manufacturing method of the threaded metal bottle container according to the first to third aspects, wherein the mouth guide for guiding the mouth portion of the container body and the skirt processing roll are rotated. A rotating mechanism, a cam mechanism for abutting or releasing the skirt processing roll on the outer periphery of the mouth of the container body, and a slot processing device for forming a recess on the outer periphery of the mouth, (a) the mouth guide is In order to guide the mouth part of the container body from the inside, it is inserted into or removed from the mouth part of the container body by moving forward or backward in the axial direction of the container body. Supported by the base and revolved around the outer periphery of the mouth of the container body. (C) The cam mechanism rotates forward and backward in synchronization with the forward or backward movement of the necking machine and the upper end of the support shaft. A circular bearing that is mounted at a position and a support shaft that rotates about a fulcrum, and the engagement of the cam and the circular bearing causes the skirt processing roll to abut or separate from the mouth of the container body, and (d) The slot processing device is supported by a base and a plurality of support shafts, and includes a plurality of skirt processing rolls that press the outer periphery of the mouth of the container body to form a recess in the mouth. It is a manufacturing apparatus of a metal bottle container.

本発明によれば、ねじ付金属ボトル容器の口部のねじ部を形成する部位に、皺が発生するのを防止できると共に、仮に小さな皺が発生しても、それ以上割れに拡大するのを防止できる効果を奏する。よって、このねじ部の割れから、内容物が漏洩するのを防止できる。   According to the present invention, it is possible to prevent the generation of wrinkles at the site forming the screw portion of the mouth portion of the threaded metal bottle container, and even if a small wrinkle occurs, it can be further expanded into cracks. There is an effect that can be prevented. Therefore, the contents can be prevented from leaking from the cracks in the threaded portion.

本発明の実施例を、図面に基づいて説明する。   Embodiments of the present invention will be described with reference to the drawings.

図１は、板状の金属材料を円板状に打ち抜く、打ち抜き加工工程、カップ状に成形する、カッピング工程、カップを絞りしごいて薄く延ばして、缶丈を長くする絞りしごき加工工程を終了した後、本発明に係る製造方法の工程の要部を示す図面である。本発明の製造
方法の特徴は、口広げ加工を施さないで、スカート部下部に凹部を成形するスロット加工工程及びねじ加工工程にある。図１は容器本体１に係る口部３、凹部７、スカート部１０及びねじ部部１１の部位を拡大した図面である。図１（ａ）は、缶丈を長くする絞りしごき加工工程が終了した後の次の工程である。すなわち、絞り金型２及び絞り中子４で、容器本体１の口部３の口径を絞る、ネッキング工程の最終工程を示す図面である。又図１（ｂ）は、本発明に係るスロット加工装置５のスカート加工ロール５ａと口元ガイド６で、凹部７を形成するスロット加工工程である。スカート加工ロール５ａを、口部３外周面に押圧し回転することにより、半径方向中心に向けて、凹部７を形成するスカート部下部の加工工程である。この凹部７を形成するスロット加工工程は、図１（ｃ）のスカート部下部の本成形の予備加工工程である。
Figure 1 is a punched plate-like metal material into a disc shape, punching process is formed into a cup shape, cupping step, thinly spread squeezes the diaphragm cup, ends the drawing and ironing process to lengthen the Kantake Then, it is drawing which shows the principal part of the process of the manufacturing method which concerns on this invention. The manufacturing method of the present invention is characterized by a slot machining process and a screw machining process in which a recess is formed in the lower part of the skirt without performing a flaring process. FIG. 1 is an enlarged view of the portion of the mouth portion 3, the recessed portion 7, the skirt portion 10, and the screw portion 11 according to the container body 1. FIG. 1A shows the next step after the drawing and ironing step for increasing the can length is completed. That is, it is a drawing showing a final process of the necking process in which the diameter of the mouth 3 of the container body 1 is narrowed by the drawing die 2 and the drawing core 4. FIG. 1B shows a slot processing step in which a recess 7 is formed by the skirt processing roll 5a and the mouth guide 6 of the slot processing apparatus 5 according to the present invention. This is a processing step of the lower part of the skirt part that forms the recess 7 toward the center in the radial direction by pressing and rotating the skirt processing roll 5a against the outer peripheral surface of the mouth part 3. The slot processing step for forming the concave portion 7 is a preliminary processing step for final forming of the lower portion of the skirt portion in FIG .

次の工程、図１（ｃ）はねじ加工工程である。上部にねじ部１１を形成するねじ加工工程であると同時に、スカート部１０下部の凹部７を本成形する工程である。図１（ｂ）の予備成形後、この工程において本成形が行われる。実施例１では、凹部７の成形は予備成形と本成形の二度の成形により行われるので、スカート部１０下部の凹部７の形状、寸法が安定化する。図１（ｃ）に示すねじ加工工程は、ねじ加工外駒８とねじ加工内駒９が用いられる。ねじ加工は、ねじ加工外駒８のねじ成形部８ａで行われ、スカート部１０下部の凹部７はスカート成形部８ｂで行われる。凹部７の成形は、本発明のように予備成形と本成形の二度成形である。図１（ｄ）は、容器本体１の先端にカール部１２を形成すると共に、側面外側に平面部を形成する工程である。 The next step, FIG. 1C, is a threading step. It is a process of forming the threaded part 11 at the upper part and simultaneously forming the concave part 7 at the lower part of the skirt part 10 at the same time. After the preliminary molding in FIG. 1B, the main molding is performed in this step. In the first embodiment, the concave portion 7 is molded by two moldings, that is, preliminary molding and main molding, so that the shape and size of the concave portion 7 below the skirt portion 10 are stabilized. The threading process shown in FIG. 1C uses a threaded outer piece 8 and a threaded inner piece 9. Screw processing is performed at the screw forming portion 8a of the screw processing outer piece 8, and the concave portion 7 below the skirt portion 10 is performed at the skirt forming portion 8b. Shaping of the recess 7 is a twice molding of the preform and the molding as in the present invention. FIG. 1 (d) is a process of forming a curled portion 12 at the tip of the container body 1 and forming a flat portion on the outside of the side surface.

図１（ｂ）の凹部７の予備加工が、図１（ａ）に示すネッキング加工工程の最終工程と、図１（ｃ）のねじ加工工程の間に行われることが特徴であり、本発明は、従来のように口広げガイド金型と口広げ中子で、口部の径を広げるものではない。発明者は、この口広げ加工を施さなければ、口部に皺が発生せず、又小さな皺が発生しても、それ以上拡大せず、かつねじ付金属ボトル容器内の内容物の漏洩を防止できることを見出したのである。図５は、本発明に係る製造方法により製造される、実施例である、ねじ付金属ボトル容器１ａ、１ｂである。   The preliminary processing of the concave portion 7 in FIG. 1B is characterized in that it is performed between the final step of the necking processing step shown in FIG. 1A and the screw processing step in FIG. Does not widen the diameter of the mouth portion with a mouth-opening guide mold and a mouth-opening core as in the prior art. If the inventor does not perform this mouth widening process, the mouth does not generate wrinkles, and even if small wrinkles occur, the inventor does not further expand and the contents in the threaded metal bottle container leak. They found that it can be prevented. FIG. 5 is an example of a threaded metal bottle container 1a, 1b manufactured by the manufacturing method according to the present invention.

図５に示すねじ付金属ボトル容器１ａ、１ｂ全体の製造工程の順序を、図６に示す。図６（イ）の工程では、カップを絞りしごいて薄く延ばして、缶丈を長くする絞りしごき加工工程を示すもので、容器本体１の外面には印刷が施され、内面には内面塗料が塗装され乾燥炉で焼き付けられる。図６（ロ）及び（ハ）は、容器本体１の口部３の径を絞るネッキング工程であり、このネッキング工程を多くすることにより、容器本体１の胴部の径より、より小さな口部３を形成することができる。図１（ａ）に対応する工程である。図６（二）は、口部３のスカート部１０を形成するためのスカート部１０下部に、凹部７を形成する予備成形を示す工程である。図１（ｂ）に対応する工程である。図６（ホ）は、ねじ部１１の成形と同時に、スカート部１０下部の凹部７の本成形を行う工程を示す。図１（ｃ）に対応する工程である。図６（ヘ）は、容器本体１の開口部先端に、カール部１２を形成するカール加工工程であり、図１（ｄ）に対応する工程である。図６（ト）は、洗浄・乾燥工程であり、図６（チ）は完成製品を示す図面である。   FIG. 6 shows the order of manufacturing steps for the entire threaded metal bottle containers 1a and 1b shown in FIG. 6 (a) shows a squeezing and squeezing process in which the cup is squeezed and thinned to increase the can length. The outer surface of the container body 1 is printed and the inner surface is coated with the inner surface paint. Is painted and baked in a drying oven. 6 (b) and 6 (c) are necking steps in which the diameter of the mouth portion 3 of the container body 1 is reduced. By increasing this necking step, the mouth portion smaller than the diameter of the body portion of the container body 1 is shown. 3 can be formed. This is a process corresponding to FIG. FIG. 6 (2) is a process showing a pre-forming for forming the recess 7 in the lower part of the skirt 10 for forming the skirt 10 of the mouth 3. This is a process corresponding to FIG. FIG. 6 (e) shows a step of performing the main forming of the concave portion 7 below the skirt portion 10 simultaneously with the forming of the screw portion 11. This is a process corresponding to FIG. FIG. 6F is a curling process for forming the curled portion 12 at the tip of the opening of the container main body 1 and corresponds to FIG. 6G is a cleaning / drying process, and FIG. 6H is a drawing showing a finished product.

図２〜図４は、本発明の実施例２を示す図面であり、ねじ付金属ボトル容器の製造装置に係る発明を示す図面である。本発明に係る装置は、容器本体１の口部３内に挿入され、容器本体１の口部３を内側からガイドする口元ガイド６と、この口元ガイド６の周囲を公転しながら、自ら自転するスカート加工ロール５ａを有するスロット加工装置５から構成されている。又、カム機構１５は、スカート加工ロール５ａを、口部３外周に当接又は離脱する機構であり、テーパカム１９と円形ベアリング２０と、支点２１を中心に回転する支持軸１６とから構成される。これによりスカート加工ロール５ａが支点２１を中心に、容器本体１の口部３外周に当接又は離脱する。実施例２において、スカート加工ロール５ａは、図４に示すように口元ガイド６の外周に６個設けられている。口元ガイド６の個数については、凹部７の成形速度に対応して、任意に決定できる。このスカート加工ロール５ａによる凹部７の加工は、スカート加工ロール５ａが、口部３の外周に当接した後、軸１７を中心に、基盤１８び支持軸１６が回転することにより、口元ガイド６及び口部３の外周を公転しながら加工し、凹部７を形成する。 FIGS. 2-4 is drawing which shows Example 2 of this invention, and is drawing which shows the invention which concerns on the manufacturing apparatus of a metal bottle container with a screw. The apparatus according to the present invention is inserted into the mouth 3 of the container body 1 and rotates by itself while revolving around the mouth guide 6 and the mouth guide 6 that guides the mouth 3 of the container body 1 from the inside. The slot processing device 5 includes a skirt processing roll 5a. The cam mechanism 15 is a mechanism for bringing the skirt processing roll 5a into contact with or disengaging from the outer periphery of the mouth portion 3, and is composed of a taper cam 19, a circular bearing 20, and a support shaft 16 that rotates about a fulcrum 21. . As a result, the skirt processing roll 5 a contacts or leaves the outer periphery of the mouth 3 of the container body 1 with the fulcrum 21 as the center. In Example 2, six skirt processing rolls 5a are provided on the outer periphery of the mouth guide 6 as shown in FIG. The number of mouth guides 6 can be arbitrarily determined according to the molding speed of the recesses 7. The recess 7 is processed by the skirt processing roll 5a by rotating the base plate 18 and the support shaft 16 about the shaft 17 after the skirt processing roll 5a abuts the outer periphery of the mouth portion 3, whereby the mouth guide 6 And the outer periphery of the mouth part 3 is processed while revolving to form the recess 7.

図２は、容器本体１が、ネッキングマシン本体２２に設けられた、容器ホルダー２３に固定されているが、容器本体１の口部３が、本発明に係るねじ付金属ボトル容器の製造装置から離脱している状態を示している。この状態から、ネッキングマシンの可動テーブル２４が軸方向に平行に前進すると共に、これに同調してテーパーカム１９が前進する。そして、図３に示すように、容器本体１の口部３の先端が、口元ガイド６の当接部６ａに当接すると、テーパカム１９がさらに前進する。すると、円形ベアリング２０が、テーパカム１９のテーパー面を滑り、軸方向外側に移動する。そして、支持軸１６は支点２１を中心に回転し、スカート加工ロール５ａが、口部３の外周面に当接する。この状態で、スカート加工ロール５ａは、軸１７を中心に、口元ガイド６及び口部３の外周を公転し凹部７が形成される。   In FIG. 2, the container body 1 is fixed to a container holder 23 provided in the necking machine body 22, but the mouth 3 of the container body 1 is from the screwed metal bottle container manufacturing apparatus according to the present invention. Indicates the state of withdrawal. From this state, the movable table 24 of the necking machine advances in parallel with the axial direction, and the tapered cam 19 advances in synchronization with this. As shown in FIG. 3, when the tip of the mouth portion 3 of the container body 1 comes into contact with the contact portion 6 a of the mouth guide 6, the taper cam 19 further advances. Then, the circular bearing 20 slides on the tapered surface of the taper cam 19 and moves outward in the axial direction. Then, the support shaft 16 rotates around the fulcrum 21, and the skirt processing roll 5 a comes into contact with the outer peripheral surface of the mouth portion 3. In this state, the skirt processing roll 5 a revolves around the mouth guide 6 and the mouth 3 around the shaft 17 to form the recess 7.

口部３に凹部７が形成され加工が終了すると、ネッキングマシンの可動テーブル２４が、軸方向に平行に後退すると共に、これに同調してテーパーカム１９が後退する。すると、円形ベアリング２０が、テーパカム１９のテーパー面を滑り、軸方向内側に移動する。そして、支持軸１６は支点２１を中心に回転し、スカート加工ロール５ａが口部３の外周から離脱し、図２の状態に戻り凹部７の加工が終了する。   When the recess 7 is formed in the mouth 3 and the processing is completed, the movable table 24 of the necking machine is retracted in parallel to the axial direction, and the taper cam 19 is retracted in synchronization therewith. Then, the circular bearing 20 slides on the taper surface of the taper cam 19 and moves inward in the axial direction. Then, the support shaft 16 rotates around the fulcrum 21, the skirt processing roll 5a is detached from the outer periphery of the mouth portion 3, and the processing returns to the state shown in FIG.

本発明は、実施例１及び実施例２に示す、絞りしごき加工により製造されるねじ付金属ボトル容器以外に、絞り加工又はインパクト加工工程において、製造されるねじ付金属ボトル容器のスカート部の成形においても、同様に適用することができる。   In addition to the threaded metal bottle container manufactured by drawing ironing shown in Example 1 and Example 2, the present invention forms the skirt portion of the threaded metal bottle container manufactured in the drawing process or impact processing process. The same applies to the above.

本発明は、板材を絞りしごき加工して製造される絞りしごき缶、インパクト成形により製造されるインパクト缶、絞り加工により製造される缶等に、ビール、発泡酒、炭酸飲料、清涼飲料、その他飲料等を充填した後、キャップで密封する、いわゆるねじ付金属ボトル容器において、本発明の製造方法及び製造装置を、幅広く多岐にわたって利用することができる。   The present invention relates to a squeezed iron can produced by squeezing and squeezing a plate material, an impact can produced by impact molding, a can produced by squeezing process, etc. In a so-called threaded metal bottle container that is sealed with a cap after filling with the like, the manufacturing method and manufacturing apparatus of the present invention can be used widely and widely.

本発明のねじ付金属ボトル容器の製造方法において、口広げ加工を施さないで、スカート部下部に凹部を成形するスロット加工工程及びねじ加工工程等を示す断面図。Sectional drawing which shows the slot processing process, screw processing process, etc. which shape | mold a recessed part in a skirt part lower part, without giving a mouth opening process in the manufacturing method of the metal bottle container with a screw | thread of this invention. 本発明のねじ付金属ボトル容器の製造装置において、凹部成形前のスロット加工装置を示す正面図。The front view which shows the slot processing apparatus before recessed part shaping | molding in the manufacturing apparatus of the metal bottle container with a screw | thread of this invention. 本発明のねじ付金属ボトル容器の製造装置において、凹部成形中のスロット加工装置を示す正面図。The front view which shows the slot processing apparatus during recessed part shaping | molding in the manufacturing apparatus of the metal bottle container with a screw | thread of this invention. 本発明のねじ付金属ボトル容器の製造装置において、スロット加工装置を示す図２のＳ−Ｓ線断面図。FIG. 3 is a cross-sectional view taken along the line S-S of FIG. 本発明のねじ付金属ボトル容器の製造方法及び製造で製造される、ねじ付金属ボトル容器の実施例を示す正面図。The front view which shows the Example of the metal bottle container with a screw manufactured by the manufacturing method and manufacture of the metal bottle container with a screw of the present invention. 本発明に係る、ねじ付金属ボトル容器の製造工程において、容器本体の各製造工程を示す正面図。The front view which shows each manufacturing process of a container main body in the manufacturing process of the metal bottle container with a screw based on this invention. 従来の、ねじ付金属ボトル容器の製造方法において、スカート部下部に、口広げ加工を施す加工工程及びねじ加工工程等を示す断面図。Sectional drawing which shows the manufacturing process, screw processing process, etc. which perform a lip opening process in the skirt part lower part in the manufacturing method of the conventional metal bottle container with a screw. 従来のねじ付金属ボトル容器の製造方法で製造された、ねじ付金属ボトル容器を示す正 面図。FIG. 10 is a front view showing a threaded metal bottle container manufactured by a conventional method for manufacturing a threaded metal bottle container. 従来のねじ付金属ボトル容器の製造方法で製造された、ねじ付金属ボトル容器のねじ部を示す拡大正面図。The enlarged front view which shows the thread part of the threaded metal bottle container manufactured with the manufacturing method of the conventional threaded metal bottle container.

符号の説明Explanation of symbols

１ 容器本体
３ 口部
５ａスカート加工ロール
６ 口元ガイド
７ 凹部
１０スカート部
１１ねじ部
１５カム機構
１６支持軸
１８基盤
１９カム
２０円形ベアリング DESCRIPTION OF SYMBOLS 1 Container body 3 Mouth part 5a Skirt processing roll 6 Mouth guide 7 Recess 10 Skirt part 11 Screw part 15 Cam mechanism 16 Support shaft 18 Base 19 Cam 20 Circular bearing

Claims (5)

金属材料からインパクト加工、絞り加工又は絞りしごき加工によって造られ、かつ容器本体の口部にねじ部が形成される、ねじ付金属容器の製造方法において、
該口部のねじ部下側にスカート部を形成するために、ネッキング加工工程の最終工程と、ねじ加工工程の間に、該スカート部下部になるべき部位の口部外周面に、スカート加工ロールを押圧し回転することにより、口部に凹部を形成することを特徴とするねじ付金属ボトル容器の製造方法。 In a manufacturing method of a threaded metal container, which is made from a metal material by impact processing, drawing processing or drawing ironing processing, and a threaded portion is formed at the mouth of the container body,
In order to form a skirt portion below the screw portion of the mouth portion, a skirt processing roll is provided on the outer peripheral surface of the mouth portion at the lower portion of the skirt portion between the final step of the necking step and the screw processing step. A manufacturing method of a metal bottle container with a screw characterized by forming a crevice in a mouth by pressing and rotating. 前記凹部を形成するスカート部下部の加工が、スカート部下部の予備加工であることを特徴とする請求項１記載のねじ付金属ボトル容器の製造方法。 Machining skirt subordinates portion forming the recess, claim 1 Symbol placement method for producing a metal bottle with screws characterized in that it is a prefabricated skirt subordinate unit. 前記スカート部下部の本成形が、ねじ加工と同時に行われることを特徴とする請求項２記載のねじ付金属ボトル容器の製造方法。 The method for producing a threaded metal bottle container according to claim 2, wherein the main forming of the lower part of the skirt portion is performed simultaneously with the threading. 請求項１乃至３記載のねじ付金属ボトル容器の製造方法により製造されることを特徴とするねじ付金属ボトル容器。   A threaded metal bottle container manufactured by the method for manufacturing a threaded metal bottle container according to claim 1. 請求項１乃至３記載のねじ付金属ボトル容器の製造方法に用いる装置であって、
容器本体の口部をガイドする口元ガイドと、スカート加工ロールを回転する回転機構と、スカート加工ロールを、容器本体の口部外周に当接・離脱するカム機構と、口部外周に凹部を成形するスロット加工装置とから構成され、
（ａ）前記口元ガイドは、容器本体の口部を内側からガイドするため、容器本体の軸方向に前進又は後退することにより、容器本体の口部に挿入又は離脱され、
（ｂ）前記回転機構は、スカート加工ロールが支持軸及び基盤により支えられ、容器本体の口部外周に公転せしめられ、
（ｃ）前記カム機構は、ネッキングマシンの前進又は後退に同調して、前進又は後退するカムと、支持軸上端に回転自在に取付られる円形ベアリングと、支点を中心に回転する支持軸とから成り、前記カムと円形ベアリングの係合により、スカート加工ロールを容器本体の口部に当接又は離隔せしめ、
（ｄ）前記スロット加工装置は、基盤及び複数の支持軸に支持され、容器本体の口部外周を押圧して、口部に凹部を形成する複数のスカート加工ロールから構成されることを特徴とする、ねじ付金属ボトル容器の製造装置。 It is an apparatus used for the manufacturing method of the metal bottle container with a screw of Claims 1 thru / or 3,
A mouth guide that guides the mouth of the container body, a rotation mechanism that rotates the skirt processing roll, a cam mechanism that contacts and separates the skirt processing roll from the outer periphery of the mouth of the container body, and a recess formed on the outer periphery of the mouth And a slot processing device that
(A) The mouth guide is inserted into or removed from the mouth of the container body by moving forward or backward in the axial direction of the container body in order to guide the mouth of the container body from the inside.
(B) In the rotating mechanism, the skirt processing roll is supported by the support shaft and the base, and is revolved around the outer periphery of the mouth of the container body.
(C) The cam mechanism includes a cam that moves forward or backward in synchronization with the forward or backward movement of the necking machine, a circular bearing that is rotatably attached to the upper end of the support shaft, and a support shaft that rotates about a fulcrum. , By engagement of the cam and the circular bearing, the skirt processing roll is brought into contact with or separated from the mouth of the container body,
(D) The slot processing device is configured by a plurality of skirt processing rolls that are supported by a base and a plurality of support shafts, press the outer periphery of the mouth of the container body, and form a recess in the mouth. An apparatus for manufacturing a threaded metal bottle container.
JP2007327073A 2007-12-19 2007-12-19 Manufacturing method and manufacturing apparatus of metal bottle container with screw. Active JP5290569B2 (en)

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