JPS598561B2 - Wheels and their manufacturing method - Google Patents
Wheels and their manufacturing methodInfo
- Publication number
- JPS598561B2 JPS598561B2 JP9579476A JP9579476A JPS598561B2 JP S598561 B2 JPS598561 B2 JP S598561B2 JP 9579476 A JP9579476 A JP 9579476A JP 9579476 A JP9579476 A JP 9579476A JP S598561 B2 JPS598561 B2 JP S598561B2
- Authority
- JP
- Japan
- Prior art keywords
- rim
- spoke
- hub
- piece
- planned
- 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.)
- Expired
Links
Description
【発明の詳細な説明】
本発明はプレス成形された板材で構成される車輪および
その製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a wheel made of a press-formed plate and a method for manufacturing the same.
従来、車輪をプレス成形した板材によつて構成する場合
には、リムを構成するリム半片を打抜くと、このリム半
片の内周部の打抜かれた部分の板材が無駄となり、材料
の歩留まりが悪い不具合があつた。Conventionally, when a wheel is constructed from press-formed plate material, when the rim half piece that makes up the rim is punched out, the plate material on the inner periphery of the rim half piece that is punched out is wasted, which reduces the material yield. There was a bad problem.
また、このような車輪はリム半片とスポーク部を有した
ハブ半片とを別工程で製造すると、工程が複雑になり、
また金型の数も多くなる不具合があつた。本発明は上記
の事情に基づいてなざれたもので、その目的とするとこ
ろは材料の歩留まりが良く、また簡単に製造できる車輪
およびその製造方法を得ることにある。In addition, if the rim half and the hub half with spokes are manufactured in separate processes for such wheels, the process becomes complicated.
Another problem was that the number of molds increased. The present invention was developed based on the above-mentioned circumstances, and its purpose is to provide a wheel that has a high yield of materials and is easy to manufacture, and a method for manufacturing the same.
以下本発明を図面に示す一実施例にしたがつて説明する
。The present invention will be described below with reference to an embodiment shown in the drawings.
第１図ないし第３図には本発明の車輪の一実施例を示し
、図中１はリムである。このリム１は板材をプレス加工
して形成された一対の環状のリム半片２、２を軸方向に
重合して構成されている。これらリム半片２、２の内周
側には軸方向に垂直な環状の重合縁部３、３が一体に形
成さ’ れ、これら重合縁部３、３が互に重合されてい
る。そしてこの重合縁部３、３の互に対応する位置には
、それぞれ３個のスポーク取付部４・・・・・・・・・
が中心に向つて互に等間隔を存して一体に突設されてい
る。そしてこれらスポーク取付部４・・・・・・・・・
は互ｊ に離反するように上記重合縁部３、３の重合面
より外側方にコ字状に膨出折曲され、これら重合された
スポーク取付部４・・・・・・・・・間には後述するス
ポーク部の先端部が密嵌する間隙が形成されている。ま
た、上記周方向に離間するスポーク取付部４・・・つ
・・・・・・間の中間位置の重合縁部３、３には中心に
向つて接合突部５・・・・・・・・・がそれぞれ突設さ
れている。また、６はハブであつて、このハブ６は材料
をプレス加工して形成された一対のハブ半片７、７を軸
方向に重合して構成されている。これらハブ半”５ 片
Ｔ、Ｔは環状のボス部８、８とこのボス部８、８より等
間隔をなして放射状に一体に突設された３個のスポーク
部９・・・・・・・・・とを有している。そしてこの重
合されたボス部８，８およびスポーク部９・・・・・・
・・・の中央部は互に離反する方向に膨出成形されて膨
出部１０・・・・・・・・・を形成している。また、こ
の・・ブ半片７，７の全周縁部は平材状の重合縁部１１
，１１に形成され、この重合縁部１１，１１が互にスポ
ットあるいはシーム溶接されている。そして上記ハブ６
のスポーク部９・・・・・・・・・の先端部は上記リム
１のスポーク取付部４・・・・・・・・・間の間隙内に
密嵌挿入されている。そしてこのスポーク部９・・・・
・・・・・先端部およびスポーク取付部４・・・・・・
・・・には取付孔１２・・・・・・・・・が形成されそ
れぞれこれら取付孔１２・・・・・・・・・を貫通する
ボルト１３・・・・・・・・・およびナット１４・・・
・・・・・・により固着されている。また上記接合突部
５・・・・・・・・・にも取付孔１２・・・・・・・・
・が形成されそれぞれこれら取付孔１２・・・−・・・
・・を貫通するボルト１３・・・・・・・・・およびナ
ット１４・・・・・・・・・により互に固着されている
。なお、１５はブレーキドラム、１６は一・ブ軸、１７
は・・ブ軸の補強板であつて、これら部品は互に溶接さ
れ、またブレーキドラム１５はハブ６のボス部８に溶接
されている。そして、上記ハブ６の中心からスポーク部
９・・・・・・・・・先端までの距離はリム１の重合縁
部３，３の内周縁の半径より小さく、かつスポーク部９
・・・・・・・・・先端はスポーク取付部４・・・・・
・・・・とボルト１３およびナット１４によつて結合す
るに充分なだけ重合されるように各部の寸法が設定され
ている。また、スポーク部９・・・・・・・・・先端部
の周方向の幅はスポーク取付部４・・・・・・・・・と
接合突部５・・・・・・・・・との周方向の間隔より小
さくなつている。次に上記の車輪を製造する方法の一実
施例について説明する。1 to 3 show an embodiment of the wheel of the present invention, in which numeral 1 represents a rim. This rim 1 is constructed by axially overlapping a pair of annular rim halves 2, which are formed by pressing plate material. Annular overlapping edges 3, 3 perpendicular to the axial direction are integrally formed on the inner peripheral sides of these rim half pieces 2, 2, and these overlapping edges 3, 3 are overlapped with each other. Three spoke attachment portions 4 are provided at mutually corresponding positions of the overlapping edges 3, 3, respectively.
are integrally protruded toward the center at equal intervals. And these spoke attachment parts 4...
are bulged and bent outward from the overlapping surfaces of the overlapping edges 3, 3 in a U-shape so as to separate from each other, and between these overlapping spoke attachment parts 4... A gap is formed in which the tip of a spoke portion, which will be described later, is tightly fitted. In addition, the spoke mounting portions 4 spaced apart in the circumferential direction are
. . . Joint protrusions 5 . Further, 6 is a hub, and this hub 6 is constructed by overlapping in the axial direction a pair of hub half pieces 7, 7 formed by pressing a material. These hub half pieces T, T have an annular boss portion 8, 8, and three spoke portions 9 integrally projecting radially from the boss portions 8, 8 at equal intervals. ...and these polymerized boss parts 8, 8 and spoke parts 9...
The central portions of... are bulged in directions away from each other to form bulged portions 10. Moreover, the entire peripheral edge of these half pieces 7, 7 is a flat overlapping edge 11.
, 11, and the overlapping edges 11, 11 are spot or seam welded to each other. And the above hub 6
The tips of the spoke portions 9 are tightly fitted into the gaps between the spoke attachment portions 4 of the rim 1. And this spoke part 9...
...Tip and spoke attachment part 4...
Mounting holes 12 are formed in ..., and bolts 13 and nuts pass through these mounting holes 12, respectively. 14...
It is fixed by... Also, the above-mentioned joint protrusion 5...... also has mounting holes 12...
・ are formed respectively in these mounting holes 12...
They are fixed to each other by bolts 13 and nuts 14 that pass through them. In addition, 15 is a brake drum, 16 is a single brake shaft, and 17 is a brake drum.
These parts are welded together, and the brake drum 15 is welded to the boss 8 of the hub 6. The distance from the center of the hub 6 to the tip of the spoke portion 9 is smaller than the radius of the inner peripheral edge of the overlapped edges 3, 3 of the rim 1, and the spoke portion 9
......The tip is the spoke mounting part 4...
The dimensions of each part are set so that they are sufficiently overlapped to be connected by bolts 13 and nuts 14. In addition, the width in the circumferential direction of the tip of the spoke portion 9 is the same as that of the spoke attachment portion 4 and the connecting protrusion 5. is smaller than the circumferential spacing of Next, an example of a method for manufacturing the above wheel will be described.
まず、第４図に２点鎖線で示す如く、リム半片２を成形
するための板材に、このリム半片予定部７の内側に・・
ブ半片予定部７″を同心状に配し、この・・ブ半片予定
部７″のスポーク部予定部９′・・・・・・・・・先端
がリム半片予定部２″のスポーク取付部予定部４′・・
・・・・・・・と接合突部予定部５″・・・・・・・・
・との間に位置するようにして材料取りができるような
配置とする。なお、上記・・ブ半片７の中心からスポー
ク部９・・・・・・・・・先端までの距離はリム半片２
の重合縁部３の内周縁の半径より小さく、またスポーク
部９・・・・・・・・・の先端部の幅はスポーク取付部
４・・・・・・・・・と接合突部５・・・・・・・・・
との間隔より小さいからこのような材料取りが可能とな
るものである。そして、まず第４図に示す如く板材をプ
レスフ成形してリム半片予定部７と・・ブ半片予定部ｒ
に同時に折曲部および膨出部１０・・・・・・・・・を
形成する。First, as shown by the two-dot chain line in FIG.
The planned rim half-piece portions 7'' are arranged concentrically, and the planned spoke portions 9' of the planned rim half-piece portions 7'' are tipped with the spoke attachment portions of the planned rim half-piece portions 2''. Scheduled part 4'...
......and the planned joint protrusion 5''...
・The arrangement should be such that it is located between the and the material can be removed. In addition, the distance from the center of the rim half piece 7 to the tip of the spoke part 9 is the distance from the center of the rim half piece 7.
The width of the tip of the spoke part 9 is smaller than the radius of the inner peripheral edge of the overlapping edge part 3 of the spoke part 9.・・・・・・・・・
This kind of material removal is possible because the distance is smaller than the distance between the two. First, as shown in FIG. 4, the plate material is press-formed to form a rim half-piece planned portion 7 and a rim half-piece planned portion r.
At the same time, a bent portion and a bulged portion 10 are formed.
次に第５図に示す如くリム半片予定部７の重合縁部予定
部３′の内周輪部線とハブ半片予定部ｒの外周輪部線と
で囲まれる部分をブレスにより切除する。このとき、ス
ポーク部予定部ｑ・・・・−・・・・先端部とリム半片
予定部２″の重合縁部予定部３″との近接部分はこれを
切除せず、．スポーク部予定部９′・・・・・・・・・
の先端部と重合縁部予定部ｙとが未だ連続した状態のま
まに残しておく、そしてさらにブレス加工により各スポ
ーク取付部予定部４″・・・・・・・・・を軸方向にコ
字形に屈曲成形する。次に第６図に示す如くスポーク取
付部予定部１・・・・・・・・・、接合突部予定部５′
・・・・・・・−・およびスポーク部予定部ｑ・・・・
・・・・・の先端部にそれぞれボルト１３・・・・・・
・・・の取付孔１２・・・・・・・・・をブレス加工で
同時に形成する。次に第７図に示す如くスポーク部予定
部９″・・・・・・・・・の先端部とリム半片予定部２
″の重合縁部予定部３″との連続部を所定形状に切除分
離し、リム半片２および・・ブ半片７が製造される。以
上の如く構成された本発明の一実施例の車輪はリム半片
２，２を形成する際にリム半片２，２の内側に打抜かれ
た板材を利用してハブ半片７，７を形成できる。Next, as shown in FIG. 5, a portion surrounded by the inner circumferential ring line of the overlapping edge portion 3' of the rim half-piece predetermined portion 7 and the outer circumferential ring portion line of the hub half-piece predetermined portion r is cut out using a press. At this time, the proximate portion between the tip of the planned spoke part q and the planned overlapping edge part 3'' of the planned rim half-piece part 2'' is not removed. Spoke part planned part 9'...
The tips of the spokes and the planned overlapping edge portions y are still left in a continuous state, and the planned spoke attachment portions 4″ are further axially rotated by press machining. Next, as shown in FIG.
・・・・・・・・・・・spoke part planned part q・・・・
Bolts 13... at the tips of...
. . . Attachment holes 12 . . . are simultaneously formed by press machining. Next, as shown in FIG.
The continuous portion with the planned overlapping edge portion 3'' is cut and separated into a predetermined shape, and the rim half piece 2 and the rim half piece 7 are manufactured. In the wheel according to the embodiment of the present invention constructed as described above, when forming the rim halves 2, 2, the hub halves 7, 7 can be formed by using the plate material punched inside the rim halves 2, 2.
よつて材料の無駄がない。また、本発明の製造方法の一
実施例は・・ブ半片予定部７″とリム半片予定部７とを
連設した状態においてこれら・・ブ半片予定部γおよび
リム半片予定部２′に対する種々のブレス加工を同時に
なし、最後にハブ半片予定部７′とリズム半片予定部２
′とを切断分離するものであるから、ハブ半片７および
リム半片２に対するブレス加工が同時におこなえ、工程
が簡略化し、また金型も少なくてすむ。なお、本発明の
車輪は上記の一実施例には限定されない。There is no wastage of materials. In addition, in one embodiment of the manufacturing method of the present invention, in a state where the planned half-piece part 7'' and the planned rim half-piece part 7 are arranged in series, various changes are made to the planned half-piece part γ and the planned rim half-piece part 2'. At the same time, the press machining is done at the same time, and finally the hub half piece planned part 7' and the rhythm half piece planned part 2 are
Since the hub half piece 7 and the rim half piece 2 can be pressed at the same time, the process is simplified and the number of molds can be reduced. Note that the wheel of the present invention is not limited to the above embodiment.
たとえばスポーク部はスポーク取付部の外側に重ね合せ
るようにしてもよい。For example, the spoke portion may be overlapped on the outside of the spoke attachment portion.
また、接合突部は必らずしも設ける必要はない。Furthermore, it is not necessary to provide the joint protrusion.
また、スポーク部の数も３個に限定されない。Further, the number of spoke portions is not limited to three either.
さらに製造方法も上記の一実施例に限定されず、要は・
・ブ半片とリム半片とを一体に連設した状態にお℃・て
必要とするブレス成形加工をなし、この後・・ブ半片と
リム半片とを分離するものであればよい。上述の如く本
発明の車輪はリム半片の内周縁にスポーク取付部を突設
し、またハブ半片の中心からスポーク部先端までの距離
をハブ半片の内周縁の半径より小さくしたものである。Furthermore, the manufacturing method is not limited to the above-mentioned example.
・It is sufficient to perform the required press molding process at °C while the half piece and half piece of the rim are integrally connected, and then to separate the half piece of the piece and the half piece of the rim. As described above, the wheel of the present invention has spoke mounting portions protruding from the inner peripheral edge of the rim half, and the distance from the center of the hub half to the tips of the spokes is smaller than the radius of the inner peripheral edge of the hub half.
したがつてリム半片の内側の打抜かれる板材を使用して
・・ブ半片を形成することができ、材料取りの無駄がな
く、材料の歩留まりが向上する。また本発明の製造方法
はハブ半片とリム半片を連設した状態において必要とす
る膨出あるいは折曲加工をなすものである。したがつて
ハブ半片およびリム半片に対するブレス成形加工が同時
におこなえ、工程が簡略化するとともに金型の数も少な
くてすむ等、その産業上の利用価値は大である。Therefore, the plate material punched inside the rim half piece can be used to form the rim half piece, and there is no waste of material, and the material yield is improved. Further, the manufacturing method of the present invention performs the necessary bulging or bending processing on the hub half piece and the rim half piece when they are connected to each other. Therefore, the press molding process for the hub half piece and the rim half piece can be performed at the same time, the process is simplified, and the number of molds can be reduced, so that it has great industrial utility value.
第１図ないし第３図は本発明の車輪の一実施例を示し、
第１図は側面図、第２図は第１図の■■線に沿う断面図
、第３図は第１図の■一■線に沿う断面図である。
また第４図ないし第７図は本発明の製造方法のそれぞれ
異なる過程を示す説明図である。１・・・・・・リム、
２・・・・・・リム半片、３・・・・・・重合縁部、４
・・・・・・スポーク取付部、６・・・・・・ハブ、７
・・・・・・・・ブ半片、９・・・・・・スポーク部。1 to 3 show an embodiment of the wheel of the present invention,
1 is a side view, FIG. 2 is a cross-sectional view taken along line 1 in FIG. 1, and FIG. 3 is a sectional view taken along line 1-1 in FIG. Further, FIGS. 4 to 7 are explanatory diagrams showing different steps of the manufacturing method of the present invention. 1... Rim,
2...Rim half piece, 3...Overlapping edge, 4
...Spoke mounting part, 6...Hub, 7
・・・・・・B half piece, 9・・・・・・Spoke part.
Claims (1)
軸方向に重ね合せて構成したリムと、上記リム半片の内
周縁に中心に向つて一体に突設された複数のスポーク取
付部と、板材をプレス加工して形成され複数のスポーク
部を放射状に突設した一対のハブ半片を軸方向に重ね合
せて構成され上記スポーク部先端が上記リム半片のスポ
ーク取付部と重ね合わされて固着されるハブとを有し、
上記ハブ半片の中心からスポーク部先端までの距離が上
記リム半片の内周縁の半径より小さいことを特徴とする
車輪。 ２ 内周縁にスポーク取付部を有する環状のリム半片を
形成する板材に、このリム半片予定部の内側にハブ半片
予定部をその放射状に突設されるスポーク部が上記スポ
ーク取付部より周方向にずらして材料取りされるように
配置し、上記リム半片予定部およびハブ半片予定部にそ
れぞれ同時に膨出、析曲、穿孔などの必要なプレス加工
を施し、最後に上記リム半片予定部とハブ半片予定部と
を切り離してリム半片とハブ半片とを同時に成形するこ
とを特徴とする車輪の製造方法。[Claims] 1. A rim formed by stacking a pair of rim halves formed by pressing plate materials in the axial direction, and a plurality of rim halves integrally protruding toward the center from the inner peripheral edge of the rim halves. A pair of hub halves formed by pressing a plate material and having a plurality of spoke parts protruding radially are stacked on each other in the axial direction, and the tips of the spoke parts meet the spoke attachment parts of the rim half piece. and a hub that is overlapped and fixed,
A wheel characterized in that the distance from the center of the hub half piece to the tip of the spoke part is smaller than the radius of the inner peripheral edge of the rim half piece. 2. On a plate material forming an annular rim half piece having a spoke attachment portion on the inner peripheral edge, a hub half portion is provided on the inside of the rim half portion, and the spoke portions projecting radially from the spoke attachment portion in the circumferential direction. The materials are arranged so that they are taken out in a staggered manner, and necessary pressing processes such as bulging, bending, and perforation are applied simultaneously to the planned rim half and the planned hub half, respectively, and finally the planned rim half and the hub half are removed. A method for manufacturing a wheel, characterized in that a rim half piece and a hub half piece are molded simultaneously by separating them from a scheduled part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9579476A JPS598561B2 (en) | 1976-08-11 | 1976-08-11 | Wheels and their manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9579476A JPS598561B2 (en) | 1976-08-11 | 1976-08-11 | Wheels and their manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5322202A JPS5322202A (en) | 1978-03-01 |
| JPS598561B2 true JPS598561B2 (en) | 1984-02-25 |
Family
ID=14147343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9579476A Expired JPS598561B2 (en) | 1976-08-11 | 1976-08-11 | Wheels and their manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS598561B2 (en) |
-
1976
- 1976-08-11 JP JP9579476A patent/JPS598561B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5322202A (en) | 1978-03-01 |
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