JPH05180256A - Bracket for aluminium-made engine mount - Google Patents
Bracket for aluminium-made engine mountInfo
- Publication number
- JPH05180256A JPH05180256A JP35965091A JP35965091A JPH05180256A JP H05180256 A JPH05180256 A JP H05180256A JP 35965091 A JP35965091 A JP 35965091A JP 35965091 A JP35965091 A JP 35965091A JP H05180256 A JPH05180256 A JP H05180256A
- Authority
- JP
- Japan
- Prior art keywords
- bracket
- mounting plate
- collar
- engine mount
- plate portion
- 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.)
- Granted
Links
Landscapes
- Forging (AREA)
- Vibration Prevention Devices (AREA)
- Springs (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は車輌用のエンジンマウン
ト用ブラケット、殊にクッション材内填用のカラー部に
片持ち形取付板部を設けた形式のアルミ製エンジンマウ
ント用ブラケットに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle engine mount bracket, and more particularly to an aluminum engine mount bracket of the type in which a cantilever type mounting plate portion is provided on a collar portion for filling a cushion material.
【０００２】[0002]
【従来の技術】特開昭６２−３９２０号は押出し成形に
よって製造したアルミ製のエンジンマウント用ブラケッ
トを示しており、このブラケットはクッション材を内填
するカラー部の底辺部を増肉しつつ、該増肉部に押し出
し方向の通し孔を押出し成形し、成形後上記増肉部の底
面、即ちカラー部の底面から上記通し孔に連通する螺子
孔を孔ぐり加工し、この螺子孔にボルト締めして上記ブ
ラケットを取付ける構成を示している。2. Description of the Related Art Japanese Unexamined Patent Publication (Kokai) No. 62-3920 shows an aluminum engine mount bracket manufactured by extrusion molding. This bracket increases the thickness of the bottom portion of a collar portion for filling a cushion material, A through hole in the extrusion direction is extruded and molded in the thickened portion, and after molding, a screw hole communicating from the bottom surface of the thickened portion, that is, the bottom surface of the collar portion to the through hole is drilled and bolted to this screw hole. Then, the above-mentioned bracket is attached.
【０００３】[0003]
【発明が解決しようとする問題点】近年車輌の軽量化と
コストダウン並びに音振性能の要求から、エンジンマウ
ント用ブラケットのアルミ押出し成形品が研究されつつ
あるが、エンジンマウント用ブラケットはエンジンの高
荷重と強い衝撃が断続的に負荷される部品であって、そ
の強度が最も重要視され、これを押出し成形品によって
製造せんとする場合、低強度のアルミ材質の考慮から上
記先行例の如き仕様が最善とされ、結果としてカラー部
の肉厚を増肉して取付部を形成する既述の構造、形態に
制限され、車輌構造に追随した自由な設計が困難なる問
題を有している。In recent years, aluminum extruded products for engine mount brackets are being researched in order to reduce the weight of vehicles, reduce costs, and sound and vibration performance. It is a part to which load and strong impact are applied intermittently, and its strength is of utmost importance, and when it is manufactured by extrusion molding, considering the low strength aluminum material, the specifications as in the preceding example However, as a result, the thickness of the collar portion is increased and the mounting portion is formed to be limited to the above-described structure and form, and there is a problem that it is difficult to freely design following the vehicle structure.
【０００４】又従来例では増肉部の通し孔内でボルト締
めする構造であり、組立性に難点があり、これを避ける
ためには増肉部の取付孔に先行例において述べているよ
うに予めボルト立て等の別の工程を必要とし、これが逆
にコストアップを招き、アルミ化と押出し製品化のメリ
ットを減退する。Further, in the conventional example, the structure is such that the bolt is tightened in the through hole of the thickened portion, and there is a difficulty in assembling. To avoid this, the mounting hole of the thickened portion is as described in the preceding example. Separate steps such as bolting are required beforehand, which in turn increases costs and diminishes the merits of aluminumization and extruded products.
【０００５】他方公知のダイキャスト製品は形状の自由
度は確保できるが、巣ができ易く信頼性に劣り、筒孔内
壁の切削加工が必須であるためコスト高となり、生産性
が悪い欠点を有している。On the other hand, the known die-cast product can secure the degree of freedom of shape, but it has a drawback that productivity tends to be poor and its reliability is poor, and that it requires cutting of the inner wall of the cylindrical hole, resulting in high cost and poor productivity. is doing.
【０００６】本発明は上記の如き問題を解決し、エンジ
ンマウント用ブラケットに要求される強度と軽量化を満
足しつつ、各種車輌設計に対応し得る適性を有するアル
ミ製エンジンマウント用ブラケットを提供するものであ
る。The present invention solves the above problems, and provides an aluminum engine mount bracket which is suitable for various vehicle designs while satisfying the strength and weight reduction required for the engine mount bracket. It is a thing.
【０００７】[0007]
【問題点を解決するための手段】本発明は上記問題を解
決する手段として、アルミの押出し成形による要素の付
加と冷間鍛造による要素の付加を併用して所期のエンジ
ンマウント用ブラケットを形成するように構成したもの
であり、殊にクッション材を内填するカラー部から片持
ち構造の取付板部を一体成形した形態のブラケットを上
記強度要件を満足する構造で良好に生産し得るようにし
たものである。As a means for solving the above problems, the present invention forms a desired engine mount bracket by combining the addition of elements by extrusion molding of aluminum and the addition of elements by cold forging. In particular, a bracket having a structure in which a cantilevered mounting plate part is integrally molded from a collar part that internally fills a cushioning material is manufactured in a structure that satisfies the above strength requirements. It was done.
【０００８】要述すると、本発明は押出し成形によって
クッション材内填用のカラー部を形成しつつ、カラー部
から側方へ張り出す片持ち形取付板部を上記押出し成形
によって一体成形した上で、更にこの取付板部とカラー
部の連設部又はカラー部の筒孔内縁部に鍛造によって補
強用リブを肉寄せする簡単且つ合理的な手段によって上
記した目的のエンジンマウント用ブラケットを構成した
ものである。In summary, according to the present invention, the cantilever mounting plate portion protruding laterally from the collar portion is integrally formed by the extrusion molding while forming the collar portion for filling the cushion material by extrusion molding. In addition, the above-mentioned engine mount bracket is constructed by a simple and rational means of forging a reinforcing rib by forging on the connecting portion of the mounting plate portion and the collar portion or the inner edge of the cylindrical hole of the collar portion. Is.
【０００９】[0009]
【作用】上記エンジンマウント用ブラケットは、カラー
部から張り出した片持ち構造の取付板部を有しており、
この構造のブラケットがアルミの押出し成形によるカラ
ー部及び取付板部の形態付与と、鍛造による補強リブの
付形とによって適正に形成される。[Function] The engine mount bracket has a cantilevered mounting plate portion protruding from the collar portion,
The bracket having this structure is properly formed by forming the shape of the collar portion and the mounting plate portion by extruding aluminum and shaping the reinforcing rib by forging.
【００１０】これによってクッション材を内填するカラ
ー部に別部品から成る取付板部を溶着した実公昭６２−
１７６３３号等に示す如き構造のエンジンマウント用ブ
ラケットを上記工夫によりアルミ化し押出し成形品化す
る構造を実現でき、更に強度上の要件と音振性能を満足
するアルミ製エンジンマウント用ブラケットを提供でき
る。As a result, a mounting plate portion which is a separate component is welded to the collar portion for filling the cushioning material.
It is possible to realize a structure in which an engine mount bracket having a structure as shown in No. 17633 or the like is aluminumized and extruded into a molded product by the above-mentioned device, and an aluminum engine mount bracket satisfying the requirements for strength and sound and vibration performance can be provided.
【００１１】又これによってアルミ押出し成形品による
エンジンマウント用ブラケットの設計の自由度を大幅に
増加し、車輌における各種エンジン架装構造に対応した
ブラケットが提供できる。又取付板部への取付孔の穿
孔、組立ても容易なる利点を上記アルミ押出し成形品化
において享受できる。Further, the degree of freedom in designing an engine mount bracket made of an aluminum extruded product can be significantly increased, and a bracket corresponding to various engine mounting structures in a vehicle can be provided. Further, the advantage of facilitating the assembling and assembling of the mounting holes in the mounting plate portion can be enjoyed in the aluminum extrusion molding.
【００１２】[0012]
【実施例】以下本発明の実施例を図１乃至図１１に基い
て説明する。図２乃至図４に示すように、目的とするエ
ンジンマウント用ブラケットはカラー部１に片持ち形取
付板部２を設け、該カラー部にクッション材４を内填す
る筒孔３を有する構造であり、上記要素１、２、３を有
するエンジンマウント用ブラケットの母形をアルミニウ
ム又はアルミニウム合金（以下単にアルミと称する）の
押出し成形によって形成する。この押出し成形形態は図
１に示すように筒孔３を有する長尺のカラー部１の外周
面の一側に、その軸線上（母線上）に沿って連設された
長尺の片持ち形取付板部２を有する。Embodiments of the present invention will be described below with reference to FIGS. As shown in FIGS. 2 to 4, the target engine mounting bracket has a structure in which a collar portion 1 is provided with a cantilever mounting plate portion 2 and the collar portion has a cylindrical hole 3 into which a cushion material 4 is fitted. Yes, the mother shape of the engine mount bracket having the above elements 1, 2, and 3 is formed by extrusion molding of aluminum or an aluminum alloy (hereinafter simply referred to as aluminum). As shown in FIG. 1, this extrusion molding mode is a long cantilever type that is continuously provided on one side of the outer peripheral surface of a long collar portion 1 having a cylindrical hole 3 along its axis (bus line). It has a mounting plate portion 2.
【００１３】上記長尺の押出し成形品を図１中破線で示
すように、軸線に対し直交する面上で定長に切断するこ
とによって図２に示す如きカラー部１と該カラー部１の
外周面にその軸線に沿い連設された取付板部２を持った
エンジンマウント用ブラケットの基本構造を形成する。As shown by the broken line in FIG. 1, the long extruded product is cut into a fixed length on a plane orthogonal to the axis, and the collar portion 1 and the outer periphery of the collar portion 1 as shown in FIG. A basic structure of an engine mount bracket having a mounting plate portion 2 continuously provided on a surface along the axis thereof is formed.
【００１４】図１、図２は更に上記片持ち形取付板部２
の基部（カラー部との付け根）に厚肉段４を、先端に薄
肉段５を上記基本構造と共に押出し成形した実施例を示
している。この厚肉段４と薄肉段５とは互いに平行に押
出し方向に延在する。1 and 2 further show the above cantilever type mounting plate portion 2
An example is shown in which a thick step 4 is extruded at the base (root of the collar) and a thin step 5 is extruded at the tip together with the above basic structure. The thick-walled step 4 and the thin-walled step 5 extend parallel to each other in the extrusion direction.
【００１５】次に上記押出し成形された取付板部２とカ
ラー部１の連設部に表面側から図２に矢印Ｐ１で示す冷
間鍛造加工を施し、上記連設部に補強リブ６を肉寄せ
（フランジアップ）する。Next, a cold forging process indicated by an arrow P1 in FIG. 2 is applied to the continuous portion of the extruded mounting plate portion 2 and the collar portion 1 from the surface side, and the reinforcing rib 6 is formed on the continuous portion. Bring it up (flange up).
【００１６】図３は上記補強リブ６を片持ち形取付板部
２の両側縁とカラー部１の両端開口縁とに亘り一体に造
成した場合を示し、図５はカラー部１と取付板部２の連
設部の中央部に補強リブ６を冷間鍛造している。FIG. 3 shows a case where the reinforcing ribs 6 are integrally formed over both side edges of the cantilever type mounting plate portion 2 and both end opening edges of the collar portion 1. FIG. 5 shows the collar portion 1 and the mounting plate portion. A reinforcing rib 6 is cold forged in the central portion of the continuous portion of 2.
【００１７】図５の補強リブ６は取付板部２とカラー部
１の連設部に表面側から図６に矢印Ｐ２で示す冷間鍛造
加工を施すか、又は連設部の板厚側へ図７に矢印Ｐ３で
示す鍛造加工を与え形成される。１０は上記鍛造加工後
取付板部２に穿けた取付孔を示す。The reinforcing rib 6 shown in FIG. 5 is obtained by subjecting the joint portion of the mounting plate portion 2 and the collar portion 1 to cold forging from the surface side as shown by an arrow P2 in FIG. 6 or to the plate thickness side of the joint portion. It is formed by applying a forging process shown by an arrow P3 in FIG. Reference numeral 10 denotes a mounting hole formed in the mounting plate portion 2 after the forging process.
【００１８】又図８、図９は上記片持ち形の取付板部２
を軸線方向に摺曲した形態のエンジンマウント用ブラケ
ットを示している。この場合、取付板部２に曲げ力を与
えるとカラー部１の孔壁が変形し筒孔３の真円精度に著
しい狂いが出るため、図９に示すようにカラー部１をカ
ップ形の可動雌金型７内に型込めし、他方取付板部２の
端部を拘束し、ポンチ８を上記カラー部１の筒孔３内へ
内壁をしごきながら圧入して雌金型７を圧入方向に移動
させ、その反作用として取付板部２に曲げ力を与え、摺
曲形状にする。8 and 9 show the above cantilever type mounting plate portion 2
2 shows an engine mount bracket in a form in which is curved in the axial direction. In this case, when a bending force is applied to the mounting plate portion 2, the hole wall of the collar portion 1 is deformed and the roundness accuracy of the cylindrical hole 3 is significantly disturbed. Therefore, as shown in FIG. The die 8 is inserted into the female die 7, the other end of the mounting plate portion 2 is restrained, and the punch 8 is press-fitted into the cylindrical hole 3 of the collar portion 1 while squeezing the inner wall to press the female die 7 in the press-fitting direction. The mounting plate portion 2 is moved and a bending force is applied to the mounting plate portion 2 as a reaction thereof to form a curved shape.
【００１９】更に図９、図１０に示すように、上記ポン
チ８の圧入によりカラー部１の内壁をしごき、同内壁の
母材を筒孔３の一端内縁部に肉寄せして環状の補強リブ
９を冷間鍛造すると同時に、上記ポンチ８の圧入によっ
てカラー部１の径出しを行なう。Further, as shown in FIGS. 9 and 10, the inner wall of the collar portion 1 is squeezed by the press-fitting of the punch 8, and the base material of the inner wall is brought closer to the inner edge of one end of the cylindrical hole 3 to form an annular reinforcing rib. At the same time as the cold forging of 9 is carried out, the punching of the punch 8 presses the collar 1 out.
【００２０】このエンジンマウント用ブラケットはカラ
ー部１に補強リブ９を持ち剛性向上が著しく、又図１０
に示すように上記内向き補強リブ９はカラー部１の筒孔
３に内填するクッション材４の規制手段となる。This engine mount bracket has a reinforcing rib 9 on the collar portion 1 to significantly improve the rigidity.
As shown in FIG. 5, the inward reinforcing rib 9 serves as a regulation means for the cushion material 4 which is fitted in the cylindrical hole 3 of the collar portion 1.
【００２１】又本発明は図１１に示すようにカラー部１
の二側方へ片持ち形取付板部２を押出し成形にて一体に
設けた場合を含む。図示の例は取付板部２に鍛造加工を
与えて図中破線で示す四つの取付座片１１を造成し、各
取付座片１１に取付孔１０を設けている。According to the present invention, as shown in FIG.
Including the case where the cantilever type mounting plate portion 2 is integrally provided by extrusion molding on two sides. In the illustrated example, the mounting plate portion 2 is subjected to forging to form four mounting seat pieces 11 shown by broken lines in the figure, and mounting holes 10 are provided in each mounting seat piece 11.
【００２２】[0022]
【発明の効果】前記のように押出し成形品でエンジンマ
ウント用ブラケットを形成する場合には設計自由度に劣
り、形状が限定される問題を有し、他方ダイキャスト製
品で同ブラケットを形成する場合には母材内に巣を生成
し易く、加工手間がかかりコスト高である等の欠点を有
している。As described above, when an engine mount bracket is formed from an extrusion molded product, there is a problem in that the degree of freedom in design is poor and the shape is limited. On the other hand, when the bracket is formed from a die-cast product. Has disadvantages such as easy formation of cavities in the base material, time-consuming processing, and high cost.
【００２３】本発明は既述の如く押出し加工による基本
構造の付与と鍛造による補強リブの如き構成付加とによ
って、従来の押出し成形品では困難であったカラー部に
片持ち取付板部を連設した構造のエンジンマウント用ブ
ラケットが容易に且つ安価に提供でき、又設計の自由度
を大幅に向上し音振性能と強度をも満足する。As described above, according to the present invention, the cantilever mounting plate portion is connected to the collar portion, which has been difficult in the conventional extruded product, by adding the basic structure by extrusion and adding the constitution such as the reinforcing rib by forging. The engine mount bracket having the above structure can be provided easily and inexpensively, and the degree of freedom in design is greatly improved, and the sound vibration performance and strength are also satisfied.
【００２４】又カラー部内壁を肉寄せして補強リブを形
成することにより切削加工並みのカラーの径出しを図る
ことができ、従って切削加工を省約しコスト削減を図る
ことができる。Further, by forming the reinforcing ribs by bringing the inner wall of the collar portion closer to each other, it is possible to make the diameter of the collar equal to that of the cutting process, and therefore the cutting process can be saved and the cost can be reduced.
【図１】本発明の一実施例を示すエンジンマウント用ブ
ラケットの押出し成形品の長尺物を示す斜視図である。FIG. 1 is a perspective view showing a long product of an extrusion-molded product of an engine mount bracket showing an embodiment of the present invention.
【図２】該長尺の押出し成形品を定長に切断して形成し
たエンジンマウント用ブラケットの斜視図である。FIG. 2 is a perspective view of an engine mount bracket formed by cutting the long extrusion-molded product into a constant length.
【図３】図２に示す押出し成形したエンジンマウント用
ブラケットの取付板部に鍛造加工にて補強リブを形成し
た状態を示す同ブラケットの斜視図である。3 is a perspective view of the extruded engine mount bracket shown in FIG. 2, showing a state in which reinforcing ribs are formed on the mounting plate portion by forging.
【図４】図３に示すブラケットの取付板部に取付孔を穿
設した同ブラケットの最終形態を示す斜視図である。FIG. 4 is a perspective view showing a final form of the bracket shown in FIG. 3 in which a mounting hole is formed in a mounting plate portion of the bracket.
【図５】同ブラケットの他例を最終形態を以って示す斜
視図である。FIG. 5 is a perspective view showing another example of the bracket in a final form.
【図６】図５のブラケットに冷間鍛造にて補強リブを形
成する方法を例示する同ブラケットの斜視図である。FIG. 6 is a perspective view of the bracket of FIG. 5, illustrating a method of forming a reinforcing rib by cold forging.
【図７】図５のブラケットに冷間鍛造にて補強リブを形
成する方法を例示する同ブラケットの斜視図である。FIG. 7 is a perspective view of the bracket of FIG. 5, illustrating a method of forming a reinforcing rib by cold forging.
【図８】取付板部を摺曲した実施例を示す同ブラケット
の平面図である。FIG. 8 is a plan view of the bracket showing an embodiment in which a mounting plate portion is curved.
【図９】図８の取付板部の摺曲方法を示す鍛造装置の断
面図である。9 is a sectional view of a forging device showing a method of bending the mounting plate portion of FIG.
【図１０】カラー内縁部に補強リブを鍛造にて形成した
実施例を示すブラケットの断面図である。FIG. 10 is a sectional view of a bracket showing an embodiment in which a reinforcing rib is formed by forging a collar inner edge portion.
【図１１】同ブラケットの二方向に片持ち形取付板部を
形成した実施例を示す斜視図である。FIG. 11 is a perspective view showing an embodiment in which a cantilever type mounting plate portion is formed in two directions of the bracket.
１ カラー部 ２ 取付板部 ３ 筒孔 ６、９ 補強リブ 1 Collar 2 Mounting plate 3 Cylindrical hole 6, 9 Reinforcing rib
───────────────────────────────────────────────────── フロントページの続き (72)発明者 中里 成彦 静岡県富士市五味島19−１ 山川工業株式 会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Naruhiko Nakazato 19-1 Gomijima Fuji City, Shizuoka Prefecture Yamakawa Industry Co., Ltd.
Claims (2)
材内填用のカラー部に、カラーから側方へ張り出す片持
ち形取付板部を上記押出し成形によって一体成形し、該
取付板部とカラー部の連設部に鍛造によって補強リブを
肉寄せし、全体をアルミニウム又はアルミニウム合金に
て形成したアルミ製エンジンマウント用ブラケット。1. A cantilever type mounting plate portion projecting laterally from the collar is integrally molded with the collar portion for filling the cushion material formed by extrusion molding by the extrusion molding, and the mounting plate portion and the collar portion. An aluminum engine mount bracket made of aluminum or an aluminum alloy, with forged reinforcing ribs on the continuous part of the.
材内填用のカラー部に、カラーから側方へ張り出す片持
ち形取付板部を上記押出し成形によって一体成形し、上
記カラー部のクッション材を内填する筒孔の一端内縁部
に鍛造によって内壁を肉寄せして形成された環状の内向
き補強リブを有し、全体をアルミニウム又はアルミニウ
ム合金にて形成したことを特徴とするアルミ製エンジン
マウント用ブラケット。2. A cantilever type mounting plate portion projecting laterally from the collar is integrally formed with the collar portion for filling the cushion material formed by extrusion molding by the extrusion molding, and the cushion material of the collar portion is formed. An aluminum engine mount characterized in that it has an annular inward reinforcing rib formed by forging the inner wall by forging at the inner edge of one end of the cylindrical hole to be filled, and is entirely formed of aluminum or aluminum alloy. Bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03359650A JP3118296B2 (en) | 1991-12-26 | 1991-12-26 | Manufacturing method of aluminum engine mount bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03359650A JP3118296B2 (en) | 1991-12-26 | 1991-12-26 | Manufacturing method of aluminum engine mount bracket |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05180256A true JPH05180256A (en) | 1993-07-20 |
| JP3118296B2 JP3118296B2 (en) | 2000-12-18 |
Family
ID=18465586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03359650A Expired - Fee Related JP3118296B2 (en) | 1991-12-26 | 1991-12-26 | Manufacturing method of aluminum engine mount bracket |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3118296B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0653577A1 (en) * | 1993-11-09 | 1995-05-17 | Delphi France Automotive Systems | Hydraulic damper |
| US5607035A (en) * | 1994-10-13 | 1997-03-04 | Delphi France Automotive Systems | Hydraulic damper |
| JP2017025714A (en) * | 2015-07-16 | 2017-02-02 | 株式会社荏原製作所 | Double suction pump |
-
1991
- 1991-12-26 JP JP03359650A patent/JP3118296B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0653577A1 (en) * | 1993-11-09 | 1995-05-17 | Delphi France Automotive Systems | Hydraulic damper |
| US5607035A (en) * | 1994-10-13 | 1997-03-04 | Delphi France Automotive Systems | Hydraulic damper |
| JP2017025714A (en) * | 2015-07-16 | 2017-02-02 | 株式会社荏原製作所 | Double suction pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3118296B2 (en) | 2000-12-18 |
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