JPH11197786A - Manufacture of collar or collar nut - Google Patents
Manufacture of collar or collar nutInfo
- Publication number
- JPH11197786A JPH11197786A JP489598A JP489598A JPH11197786A JP H11197786 A JPH11197786 A JP H11197786A JP 489598 A JP489598 A JP 489598A JP 489598 A JP489598 A JP 489598A JP H11197786 A JPH11197786 A JP H11197786A
- Authority
- JP
- Japan
- Prior art keywords
- collar
- hole
- base
- flange
- forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
- Forging (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、カラー又はカラー
ナットの製造方法に関する。[0001] The present invention relates to a method for manufacturing a collar or a collar nut.
【０００２】[0002]
【従来の技術】一般に、自動車ボディー部品は折曲部分
や湾曲部分が多く、しかも板材が種々の方向に曲げ加工
されるため、これらの部品を組み付けるには例えば図５
(イ) に示すような特殊なカラー又はカラーナットＡが用
いられる。このカラー又はカラーナットＡは、外周部に
フランジａを有し、一方の端部を部品Ｃの取付孔ｃに挿
入してフランジａを内面側に当接させ、部品Ｄの取付孔
ｄに他方の端部を嵌め込んでその取付孔ｄから突出した
部分を部品Ｄに溶接Ｅすることで部品Ｃ、Ｄを組み付け
る。2. Description of the Related Art Generally, automobile body parts have many bent parts and curved parts, and a plate material is bent in various directions.
A special collar or collar nut A as shown in (a) is used. The collar or collar nut A has a flange a on the outer periphery, one end of which is inserted into the mounting hole c of the component C so that the flange a abuts on the inner surface side, and the other end is mounted on the mounting hole d of the component D. The parts C and D are assembled by fitting the ends of the parts and welding the parts protruding from the mounting holes d to the parts D.
【０００３】[0003]
【発明が解決しようとする課題】ところが、図５(ロ) の
ような部品Ｆと部品Ｇとを組み付ける場合には、前記カ
ラー又はカラーナットＡを用いることはできず、もっと
長い寸法のカラー又はカラーナットＢが必要になる。従
って、長短何れの場合にも適用できるようにするには、
長さの異なるカラー又はカラーナットを数種類用意して
おくか、或は長い物を用意しておいて、短い場合には切
断して使用する等の方法がある。しかしながら、従来の
カラー又はカラーナットは、鍛造により又は鍛造品を機
械加工することにより製造され、或は丸棒又は厚肉パイ
プを機械加工することで製造されているため、長さの異
なる物を数種類用意する場合は多くの金型を必要として
コスト高となり、又長い物を短く切断して使用する場合
は組付作業が面倒になるばかりか、無駄が多く生じて不
経済になる。However, when assembling the parts F and G as shown in FIG. 5 (b), the collar or collar nut A cannot be used, and a collar or collar N having a longer dimension is used. A collar nut B is required. Therefore, in order to be applicable to both long and short cases,
There are methods such as preparing several kinds of collars or collar nuts having different lengths, or preparing a long one, and cutting and using the short one when it is short. However, conventional collars or collar nuts are manufactured by forging or by machining forged parts, or by machining round rods or thick pipes, so that different lengths are used. When several types are prepared, many molds are required and the cost becomes high. When a long product is cut short and used, not only the assembling work becomes troublesome, but also waste is generated and uneconomical.
【０００４】本発明は、このような従来のカラー又はカ
ラーナットの問題点を解消するためになされ、多くの金
型を必要とせずに、任意長さのカラー又はカラーナット
を容易に製造できるようにした方法を提供することを目
的とする。SUMMARY OF THE INVENTION The present invention has been made to solve the problems of the conventional collar or collar nut, and can easily produce a collar or collar nut of any length without requiring many molds. The purpose is to provide a method that is:
【０００５】[0005]
【課題を解決するための手段】この目的を達成するため
の手段として、本発明は、所要の長さを有する円筒部
と、端部にフランジ状突起を有すると共に通孔又はねじ
孔が設けられた基部とを別体に形成し、前記円筒部の一
方の端部を前記基部の突起側端部に、軸線が合致するよ
うにして溶接し一体化するカラー又はカラーナットの製
造方法を要旨とする。又、基部の形成は、丸棒を所要の
長さに切断する工程と、切断した丸棒の一方の端面を矯
正する工程と、その矯正端面に所定の座ぐりを形成する
工程と、座ぐり側の端部を軸絞りすると共にその中心部
に所要の奥行の孔をあける工程と、他方の端面側を予備
据え込みする工程と、予備据え込み側を完全に据え込み
してフランジ状突起を形成する工程と、孔抜き逃げ溝を
形成して前記孔に連通させる工程と、更にカラーナット
の場合には通孔に雌ねじを切ってねじ孔を形成する工程
とを含むことを要旨とする。As a means for achieving this object, the present invention provides a cylindrical portion having a required length, a flange-like projection at an end and a through hole or a screw hole. And a method of manufacturing a collar or a collar nut in which one end of the cylindrical portion is welded and integrated with the projection side end of the base so that the axis is aligned with the end. I do. The base is formed by cutting a round bar into a required length, straightening one end face of the cut round bar, forming a predetermined counterbore on the straightened end face, A step of axially drawing the side end and making a hole of a required depth in the center thereof, a step of pre-installing the other end face side, and completely pre-swaging the pre-install side to form a flange-like projection. The gist of the present invention is to include a forming step, a step of forming a hole for escape and communicating with the hole, and, in the case of a collar nut, a step of forming a screw hole by cutting a female screw in the through hole.
【０００６】[0006]
【発明の実施の形態】以下、本発明の実施の形態を添付
図面に基づいて詳説する。図１は、本発明に係るカラー
又はカラーナットの製造要領を示すもので、(イ) のよう
に所要の長さＬを有する円筒部１と、端部にフランジ状
突起２ａを備えると共に通孔２ｂ又はねじ孔２ｃが設け
られた基部２とを別体に形成する。この後、(ロ) のよう
に円筒部１の一方の端部を基部２のフランジ状突起２ａ
側の端部に、軸線Ｒが合致するように溶接３して一体化
する。Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 shows a manufacturing procedure of a collar or a collar nut according to the present invention. As shown in FIG. 1A, a cylindrical portion 1 having a required length L as shown in FIG. 2b or the base 2 provided with the screw hole 2c is formed separately. Thereafter, one end of the cylindrical portion 1 is connected to the flange-like projection 2a of the base 2 as shown in FIG.
At the side end, welding 3 is performed so that the axis R coincides with the end, and integrated.
【０００７】前記円筒部１は、所要の外径と肉厚を有す
るパイプを所要の長さＬに切断して形成し、基部２は、
例えば図２(イ) 〜(ト) に示すような工程を経て形成され
る。即ち、基部２の形成に際しては、先ず(イ) のように
所要の外径を有する丸棒Ｐを所要の長さに切断し、或は
既に切断されている丸棒Ｐの一方の端面Ｑを(ロ) のよう
に加工する端面矯正工程を行う。The cylindrical portion 1 is formed by cutting a pipe having a required outer diameter and wall thickness to a required length L.
For example, it is formed through the steps shown in FIGS. That is, when forming the base 2, first, a round bar P having a required outer diameter is cut to a required length as shown in (a), or one end face Q of the already cut round bar P is cut. The end face straightening process of processing as shown in (b) is performed.
【０００８】次いで、第２工程は、図２(ハ) のように矯
正端面Ｑ側の中心に座ぐり２ｄを形成する共に、他方の
端面側に受部２ｅを形成する端面矯正座ぐり工程を行
う。Next, as shown in FIG. 2C, the second step is to form a counterbore 2d at the center of the correction end face Q and to form a counterbore 2 in the other end face. Do.
【０００９】この後、第３工程は、図２(ニ) のように座
ぐり２ｄ側のほぼ下半部を軸絞りＳし、且つ座ぐり２ｄ
の中心部に適度の奥行を有する孔２ｆを形成する軸絞り
孔明け工程を行う。Thereafter, in a third step, as shown in FIG. 2D, the lower half of the counterbore 2d side is subjected to axial drawing S and the counterbore 2d.
A shaft drawing hole forming step of forming a hole 2f having an appropriate depth in the center of the shaft is performed.
【００１０】第４工程は、図２(ホ) のように受部２ｅ側
の外端部を押圧して突起Ｔを少し突き出す予備据え込み
工程を行う。この際、リング状の受部２ｅが押し潰され
ないように治具（図略）等で保護する。この予備据え込
み工程は、フランジ状突起２ａを１工程で出せないため
に予め突起Ｔを突き出しておく予備的なものである。In a fourth step, as shown in FIG. 2E, a preliminary upsetting step of pressing the outer end on the receiving portion 2e side to slightly project the projection T is performed. At this time, the ring-shaped receiving portion 2e is protected by a jig (not shown) or the like so as not to be crushed. This preliminary upsetting step is a preliminary step in which the projection T is projected in advance so that the flange-shaped projection 2a cannot be provided in one step.
【００１１】第５工程は、図２(ヘ) のようにフランジ状
突起２ａを完全に形成する据え込み突起出し工程を行
う。この際、図３(ロ) 、(ハ) のようにフランジ状突起２
ａの裏面外周部に、複数（図では３個）の突条２ｇが円
周方向に沿って一定の間隔をあけて形成される。この第
５工程においても、前記リング状の受部２ｅを治具等で
保護するようにする。In a fifth step, an upsetting projection step for completely forming the flange-like projection 2a is performed as shown in FIG. At this time, as shown in FIGS.
A plurality (three in the figure) of ridges 2g are formed at regular intervals along the circumferential direction on the outer peripheral portion of the back surface a. Also in this fifth step, the ring-shaped receiving portion 2e is protected by a jig or the like.
【００１２】第６工程は、図２(ト) のように孔抜き逃げ
溝２ｉを形成して前記孔２ｆに連通させる工程を行う。In the sixth step, as shown in FIG. 2 (g), a step of forming a hole escape groove 2i and communicating with the hole 2f is performed.
【００１３】カラーの場合は、この第６工程迄である
が、カラーナット４を製造する場合には図３(ロ) のよう
に、更に通孔に雌ねじを切ってねじ孔２ｃを形成する第
７工程を行う。In the case of a collar, up to the sixth step, but in the case of manufacturing the collar nut 4, as shown in FIG. 3B, a female screw is further cut into a through hole to form a screw hole 2c. Perform 7 steps.
【００１４】このようにして基部２が形成され、この基
部２の受部２ｅに前記円筒部１の一方の端部を挿入し、
図１(ロ) のように基部２の軸線と円筒部１の軸線を合致
させて溶接３することによりカラー又はカラーナット４
を製造することができる。The base 2 is thus formed, and one end of the cylindrical portion 1 is inserted into the receiving portion 2e of the base 2,
As shown in FIG. 1 (b), the axis of the base 2 and the axis of the cylindrical section 1 are aligned and welded 3 to form a collar or collar nut 4.
Can be manufactured.
【００１５】この場合、円筒部１の長さＬは予め任意に
設定することができるので、この長さＬを変えることで
必要とする長さ寸法のカラー又はカラーナット４を容易
に製造することができる。従って、従来のように多くの
金型を必要とせず、コストダウンを図ることが可能とな
る。In this case, since the length L of the cylindrical portion 1 can be arbitrarily set in advance, it is possible to easily manufacture a collar or collar nut 4 having a required length by changing the length L. Can be. Therefore, it is possible to reduce costs without requiring many dies as in the related art.
【００１６】本発明によるカラー又はカラーナット４
は、各部の寸法を計測したところ従来品と殆ど変わらぬ
形状の製品が得られ、基部２について各種強度試験を行
ったところ従来品と同等又はそれ以上の強度が得られる
ことが判明した。A collar or collar nut 4 according to the invention
When the dimensions of each part were measured, a product having almost the same shape as that of the conventional product was obtained. When various strength tests were performed on the base 2, it was found that the same or higher strength as that of the conventional product was obtained.
【００１７】図示は省略したが、軸絞りＳ部分の直径が
３５ｍｍのものを試験体とし、基部２のねじ孔２ｃにマ
ンドレルを螺挿し、フランジ状突起２ａを支持してマル
ドレルを引く引張強度試験を行ったところ、破断荷重は
従来品よりも３０〜４０％アップした。又、破断モード
は、１０個の試験体全てが軸絞りＳの上端部即ちフラン
ジ状突起２ａ部分と、軸絞りＳ部分との境界付近で破断
した。Although not shown, a test piece having a diameter of 35 mm at the portion of the shaft drawn S is used as a test body, a mandrel is screwed into the screw hole 2c of the base 2, the flange-shaped projection 2a is supported, and a tensile strength test for pulling the maldrel is performed. , The breaking load was increased by 30 to 40% as compared with the conventional product. In the fracture mode, all of the ten test pieces fractured near the upper end of the axial draw S, that is, near the boundary between the flange-shaped protrusion 2a and the axial draw S.
【００１８】基部２の捻じり強度、トルク強度及びくさ
び引張強度等についても、破断荷重何れも従来品より上
回っており、強度的に全く問題ないレベルであると判断
された。The torsional strength, torque strength, wedge tensile strength, and the like of the base 2 were all higher than those of the conventional product, and it was judged that the strength was not a problem at all.
【００１９】又、基部２と円筒部１の溶接３部分の強度
が問題となるが、下記の条件でガス溶接したものを引張
試験した結果、１０３〜１０６ＫＮの引張強度が得られ
た。これはＣＯ2 溶接試算剪断強度７８．６ＫＮより上
回っており、又試験体全てがパイプ（剪断強度７５．３
ＫＮ以上）の全周母材切れであり、溶接強度は充分であ
ることが判明した。 溶接条件： 溶接電流 １２０Ａ 溶接電圧 １９Ｖ 溶接速度 ４６９ｍｍ／ｍｉｎ ガス流量 ＣＯ2 １５Ｌ／ｍｉｎ ワイヤー径 φ０．９（ＤＳＩＡ） ワイヤー突き出し量 １２ｍｍ トーチ角度 ５５° トーチ前進角 ５°The strength of the three welded portions of the base portion 2 and the cylindrical portion 1 is a problem. As a result of a tensile test of a gas-welded product under the following conditions, a tensile strength of 103 to 106 KN was obtained. This is higher than the estimated CO 2 welding shear strength of 78.6 KN, and all the specimens are pipes (shear strength of 75.3 KN).
(KN or more), and it turned out that the welding strength was sufficient. Welding conditions: welding current 120A welding voltage 19V welding speed 469mm / min gas flow CO 2 15L / min Wire diameter φ0.9 (DSIA) wire overhang 12mm torch angle 55 ° torch advancing angle of 5 °
【００２０】プロジェクション溶接による場合は、剥離
強度２５．０〜２７．５ＫＮが得られ、これはＬＳ規格
１１．２ＫＮ以上に対して２倍以上の強度であり、しか
も試験体の全てが三点母材均等切れであったことから、
強度の保証は充分であることが認められた。 In the case of the projection welding, a peel strength of 25.0 to 27.5 KN is obtained, which is twice or more the strength of the LS standard of 11.2 KN or more. Because the material was evenly cut,
The strength guarantee was found to be sufficient.
【００２１】本発明に係るカラー又はカラーナットは従
来と同じ要領で使用され、カラーナット４の場合は、例
えば図４に示すように既に組み付けられた部品５に対し
て、更にナット部を利用して別の部品６を取り付けるこ
とができる。The collar or the collar nut according to the present invention is used in the same manner as in the prior art. In the case of the collar nut 4, for example, as shown in FIG. Other parts 6 can be attached.
【００２２】この場合、部品６は所定の形状に加工され
た板材７、８が溶接されて空間部６ａを有する形態にな
っており、板材７の取付孔７ａを前記部品５から突出し
た基部２の端部に嵌め込み、この時カラースペーサ９を
基部２の端部に嵌めて部品６の空間部６ａに介在させ
る。更に、板材８の取付孔８ａからボルト１０を挿入
し、前記基部２のねじ孔２ｃに螺合して締め付ければ、
部品６を組み付けることができる。In this case, the component 6 has a form in which the plate members 7 and 8 processed into a predetermined shape are welded to have a space portion 6a, and the mounting hole 7a of the plate material 7 has a base portion 2 protruding from the component 5. At this time, the collar spacer 9 is fitted to the end of the base 2 to be interposed in the space 6a of the component 6. Furthermore, if the bolt 10 is inserted from the mounting hole 8a of the plate material 8 and screwed into the screw hole 2c of the base 2 to tighten it,
The part 6 can be assembled.
【００２３】[0023]
【発明の効果】以上説明したように、本発明によれば、
カラー又はカラーナットを基部と円筒部に分割し、これ
らを別体に形成すると共に溶接一体化することでカラー
又はカラーナットを製造するので、円筒部の長さを任意
に変更することで長さ寸法の異なるカラー又はカラーナ
ットを容易に製造することが可能となる。従って、多く
の金型を必要とせずにコストダウンが図れると共に、強
度の強い製品が得られ、又長い物を短く切断して使用す
る必要がないので組付作業が簡単にでき、無駄が多く生
じないため経済的である等の優れた効果を奏する。As described above, according to the present invention,
The collar or collar nut is divided into a base and a cylinder, and these are formed separately and welded together to produce the collar or collar nut. Collars or collar nuts of different dimensions can be easily manufactured. Therefore, the cost can be reduced without requiring many molds, and a strong product can be obtained. Moreover, since there is no need to cut and use a long product in a short time, the assembling work can be simplified, and much waste is generated. Since it does not occur, it has excellent effects such as being economical.
【図１】本発明に係るカラー又はカラーナットの製造要
領を示すもので、(イ) は別体に形成した基部と円筒部の
溶接前の状態を示す断面図、(ロ) は溶接後の状態を示す
断面図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a manufacturing procedure of a collar or a collar nut according to the present invention, in which (a) is a cross-sectional view showing a state before welding a base and a cylindrical part formed separately, and (b) is a state after welding. It is sectional drawing which shows a state.
【図２】(イ) 〜(ト) は、基部の形成工程を示す説明図で
ある。FIGS. 2A to 2G are explanatory views showing a step of forming a base. FIGS.
【図３】形成された基部を示すもので、(イ) は平面図、
(ロ) は断面図、(ハ) は底面図である。FIG. 3 shows a formed base, (a) is a plan view,
(B) is a sectional view, and (c) is a bottom view.
【図４】カラーナットの使用例を示す要部断面図であ
る。FIG. 4 is a sectional view of a main part showing an example of use of a collar nut.
【図５】(イ) 、(ロ) はカラーの使用例を示すそれぞれ要
部断面図である。FIGS. 5A and 5B are cross-sectional views of relevant parts showing examples of using a collar. FIGS.
１…円筒部 ２…基部 ３…溶接 ４…カラーナット ５、６…部品 ７、８…板材 ９…カラースペーサ １０…ボルト DESCRIPTION OF SYMBOLS 1 ... Cylindrical part 2 ... Base 3 ... Welding 4 ... Color nut 5, 6 ... Parts 7, 8 ... Plate material 9 ... Color spacer 10 ... Bolt
Claims (2)
ンジ状突起を有すると共に通孔又はねじ孔が設けられた
基部とを別体に形成し、前記円筒部の一方の端部を前記
基部の突起側端部に、軸線が合致するようにして溶接し
一体化することを特徴とするカラー又はカラーナットの
製造方法。1. A cylindrical part having a required length and a base part having a flange-like projection at the end and having a through hole or a screw hole are formed separately, and one end of the cylindrical part is formed. Is welded and integrated with the end of the base on the side of the protrusion so that the axis is aligned with the end of the base.
る工程と、切断した丸棒の一方の端面を矯正する工程
と、その矯正端面に所定の座ぐりを形成する工程と、座
ぐり側の端部を軸絞りすると共にその中心部に所要の奥
行の孔をあける工程と、他方の端面側を予備据え込みす
る工程と、予備据え込み側を完全に据え込みしてフラン
ジ状突起を形成する工程と、孔抜き逃げ溝を形成して前
記孔に連通させる工程と、更にカラーナットの場合には
通孔に雌ねじを切ってねじ孔を形成する工程とを含む請
求項１記載のカラー又はカラーナットの製造方法。2. A method for forming a base, comprising the steps of: cutting a round bar into a required length; correcting one end surface of the cut round bar; and forming a predetermined counterbore on the corrected end surface. A process of axially drawing the end on the counterbore side and drilling a hole of the required depth in the center thereof, a process of pre-upsetting the other end surface, and a process of completely pre-upsetting the pre-installation side and a flange. 2. The method according to claim 1, further comprising the steps of: forming a projection, forming a hole for escaping and communicating with the hole, and, in the case of a collar nut, forming a female hole in the through hole to form a screw hole. A method for producing the described collar or collar nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP489598A JPH11197786A (en) | 1998-01-13 | 1998-01-13 | Manufacture of collar or collar nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP489598A JPH11197786A (en) | 1998-01-13 | 1998-01-13 | Manufacture of collar or collar nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11197786A true JPH11197786A (en) | 1999-07-27 |
Family
ID=11596416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP489598A Pending JPH11197786A (en) | 1998-01-13 | 1998-01-13 | Manufacture of collar or collar nut |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11197786A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100503992B1 (en) * | 2003-06-30 | 2005-07-27 | 삼기산업주식회사 | A manufacturing method of a female screw for a jack |
| JP2008273160A (en) * | 2007-04-26 | 2008-11-13 | Sakamura Engineering Co Ltd | Insert fitting and its manufacturing method |
| WO2016013405A1 (en) * | 2014-07-24 | 2016-01-28 | ニューフレイ リミテッド ライアビリティ カンパニー | Method for manufacturing oval swaged collar |
| CN113020535A (en) * | 2021-03-19 | 2021-06-25 | 浙江纳特汽车标准件有限公司 | Cold heading forming module and cold heading forming method of rivet nut |
-
1998
- 1998-01-13 JP JP489598A patent/JPH11197786A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100503992B1 (en) * | 2003-06-30 | 2005-07-27 | 삼기산업주식회사 | A manufacturing method of a female screw for a jack |
| JP2008273160A (en) * | 2007-04-26 | 2008-11-13 | Sakamura Engineering Co Ltd | Insert fitting and its manufacturing method |
| JP4609778B2 (en) * | 2007-04-26 | 2011-01-12 | 株式会社阪村エンジニアリング | Insert metal fitting and manufacturing method thereof |
| WO2016013405A1 (en) * | 2014-07-24 | 2016-01-28 | ニューフレイ リミテッド ライアビリティ カンパニー | Method for manufacturing oval swaged collar |
| CN113020535A (en) * | 2021-03-19 | 2021-06-25 | 浙江纳特汽车标准件有限公司 | Cold heading forming module and cold heading forming method of rivet nut |
| CN113020535B (en) * | 2021-03-19 | 2023-02-07 | 浙江纳特汽车标准件有限公司 | Cold heading forming module and cold heading forming method of rivet nut |
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