JPH0220344B2 - - Google Patents
Info
- Publication number
- JPH0220344B2 JPH0220344B2 JP60228224A JP22822485A JPH0220344B2 JP H0220344 B2 JPH0220344 B2 JP H0220344B2 JP 60228224 A JP60228224 A JP 60228224A JP 22822485 A JP22822485 A JP 22822485A JP H0220344 B2 JPH0220344 B2 JP H0220344B2
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical
- corner
- pulley
- clamper
- support
- 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 - Lifetime
Links
- 239000000463 material Substances 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H1/00—Making articles shaped as bodies of revolution
- B21H1/02—Making articles shaped as bodies of revolution discs; disc wheels
- B21H1/04—Making articles shaped as bodies of revolution discs; disc wheels with rim, e.g. railways wheels or pulleys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pulleys (AREA)
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、金属板を有底円筒体に形成して円
筒部の外周面をベルト掛部、底板を支持部とする
プーリー基材とし、円筒部と支持部とのコーナー
部を膨出させ肉厚化を図り、耐久性のあるプーリ
ーを得るプーリーの製造方法に関する。[Detailed Description of the Invention] [Industrial Application Field] This invention provides a pulley base material in which a metal plate is formed into a cylindrical body with a bottom, the outer peripheral surface of the cylindrical part is used as a belt hanging part, and the bottom plate is used as a support part, The present invention relates to a method of manufacturing a pulley in which a durable pulley is obtained by bulging the corner portion of a cylindrical portion and a support portion to increase the wall thickness.
［従来の技術］
従来、プーリーの製造にあつては一般に鍛造、
鋳造や旋盤による切削加工などによつて行なわれ
ているが、これらの製造方法によればその製造作
業が面倒で時間がかかり生産性が悪く、更には切
削加工にあつては切屑が生じ材料の無駄が多くな
るといつた問題があつた。かかる問題を解消する
ために最近では転造により製造する方法が行なわ
れるようになつてきている。[Conventional technology] Conventionally, pulley manufacturing generally involves forging,
This is done by casting, cutting with a lathe, etc., but these manufacturing methods are troublesome and time-consuming, resulting in poor productivity.Furthermore, the cutting process produces chips and damages the material. A problem arose when there was a lot of waste. In order to solve this problem, a method of manufacturing by rolling has recently come into use.
プーリーを転造により製造する方法は、金属板
を有底円筒体に形成して円筒部の外周面をベルト
掛部、底板を支持部とするプーリー基材とし、外
周面にベルト掛溝部を形成して行なわれる。 The method of manufacturing a pulley by rolling is to form a metal plate into a cylindrical body with a bottom, use the outer circumferential surface of the cylindrical part as a belt hook part, and use the bottom plate as a support part as a pulley base material, and form a belt hook groove part on the outer circumferential surface. It is done as follows.
［発明が解決しようとする問題点］
上記転造によるプーリーの製造方法によれば、
鍛造、鋳造や旋盤による切削加工に比べ製造が容
易となりまた材料の無駄がなくなるものの、ベル
トを掛けたとき最も力のかかる円筒部と支持部と
のコーナー部が薄くなつたり亀裂が入つたりして
弱く、この部分が破損し易く安全性にも欠けると
いつた問題がある。[Problems to be Solved by the Invention] According to the above method for manufacturing a pulley by rolling,
Although manufacturing is easier than forging, casting, or machining using a lathe, and there is no waste of material, the corners between the cylindrical part and the support part, where the most force is applied when the belt is applied, may become thinner or crack. The problem is that this part is easily damaged and lacks safety.
この発明は、上記コーナー部を膨出させて肉厚
にして強化させ、耐久性のあるプーリーを得るこ
とを目的としたプーリーの製造方法を提供するも
のである。 The present invention provides a method for manufacturing a pulley, the purpose of which is to obtain a durable pulley by bulging out the corner portions to make them thicker and stronger.
［問題点を解決するための手段］
この発明によるプーリーの製造方法は、先ず、
金属板をプレスなどにより絞つて円筒部と底板と
のコーナー部を内側から押し出して外側コーナー
部を環状に突出させた有底円筒体に形成し、この
有底円筒体をもつて有底円筒体の円筒部の外周面
をベルト掛部としそして底板を支持部とするプー
リー基材を形成する。[Means for solving the problems] First, the method for manufacturing a pulley according to the present invention includes:
A metal plate is squeezed using a press or the like, and the corner portions of the cylindrical portion and the bottom plate are extruded from the inside to form a bottomed cylindrical body with an annularly protruding outer corner portion. A pulley base material is formed in which the outer peripheral surface of the cylindrical part serves as a belt hanging part and the bottom plate serves as a support part.
次にこのプーリー基材を、円筒部の外周面を残
し、その両側から、円筒部の内径より小径とした
円柱状突出体の先端に前記支持部の内側面に当接
する支持部当接面を有し且つ円柱状突出体の基部
に前記円筒部の開口端部に当接する端部当接面を
円周方向に有するクランパーと、支持部の外側面
に当接しその当接面上に前記円筒部と支持部との
コーナー部の突出部に対応する位置に環状の凹溝
を形成したクランパーとによりクランプする。 Next, this pulley base material is attached to the tip of a cylindrical protrusion having a smaller diameter than the inner diameter of the cylindrical part from both sides, leaving the outer circumferential surface of the cylindrical part. and a clamper having an end abutting surface in the circumferential direction that abuts the open end of the cylindrical portion at the base of the cylindrical protrusion; and a clamper having an annular groove formed at a position corresponding to the protruding portion of the corner portion of the support portion.
次に、円筒部の外周面にロールダイスを押し当
てて回転させ、円筒部及びコーナー部を圧潰し、
円筒部外周面に円周方向にベルト掛溝部を形成す
るとともにコーナー部の突出部を前記クランパー
の凹溝に圧入することによりコーナー部に肉厚の
膨出部を形成する。 Next, a roll die is pressed against the outer peripheral surface of the cylindrical part and rotated to crush the cylindrical part and the corner part,
A belt hooking groove is formed in the circumferential direction on the outer peripheral surface of the cylindrical portion, and a thick bulge is formed at the corner by press-fitting the protrusion of the corner into the groove of the clamper.
［作用］
プーリー基材を両側からクランパーによりクラ
ンプすると、プーリー基材の円筒部内周面と一方
のクランパーの円柱状突出体の外周面との間に隙
間が生じ、そしてコーナー部の突出部が他方のク
ランパーの凹溝内に位置した状態でクランプされ
る。このような状態でクランプされたプーリー基
材の円筒部外周面にロールダイスを押し当てて回
転させ、そのロールダイスの押圧力によりプーリ
ー基材の円筒部及びコーナー部を圧潰することに
より、円筒部がこの円筒部の内周面と前記一方の
クランパーの円柱状突出体の外周面との間に生じ
た隙間に圧入され、そしてコーナー部は他方のク
ランパーの凹溝に圧入されることにより、円筒部
外周面にロールダイスの巾の溝部が形成されると
ともに、コーナー部の突出部を前記クランパーの
凹溝に圧入することによりコーナー部に肉厚の膨
出部を形成するので、コーナー部が強化され堅牢
となる。[Function] When the pulley base material is clamped from both sides by clampers, a gap is created between the inner circumferential surface of the cylindrical part of the pulley base material and the outer circumferential surface of the cylindrical protrusion of one clamper, and the protrusion of the corner part It is clamped while being positioned within the concave groove of the clamper. A roll die is pressed against the outer circumferential surface of the cylindrical part of the pulley base material clamped in this state and rotated, and the cylindrical part and corner parts of the pulley base material are crushed by the pressing force of the roll die, thereby forming the cylindrical part. is press-fitted into the gap created between the inner circumferential surface of this cylindrical portion and the outer circumferential surface of the cylindrical protrusion of the one clamper, and the corner portion is press-fitted into the groove of the other clamper, thereby forming a cylindrical shape. A groove the width of the roll die is formed on the outer peripheral surface of the clamper, and a thick bulge is formed at the corner by press-fitting the protrusion of the corner into the groove of the clamper, so the corner is strengthened. and becomes robust.
［実施例］
以下、この発明を図面に示す実施例に基づき詳
細に説明する。[Example] Hereinafter, this invention will be described in detail based on an example shown in the drawings.
第１図乃至第４図は、この発明の実施の工程を
示すものである。 1 to 4 show steps for implementing the present invention.
先ず、金属板をプレスなどにより絞つて円筒部
１と底板２とのコーナー部３を内側から押し出し
て外側コーナー部を環状に突出させた有底円筒体
に形成し、この有底円筒体をもつて有底円筒体の
円筒部１の外周面をベルト掛部４としそして底板
２を支持部５とするプーリー基材６を形成する。
上記円筒部１にあつてはベルト巾より若干広巾に
形成する（第１図）。 First, a metal plate is squeezed using a press or the like, and the corner part 3 of the cylindrical part 1 and the bottom plate 2 is extruded from the inside to form a bottomed cylindrical body with the outer corner part protruding in an annular shape. A pulley base material 6 is formed in which the outer circumferential surface of the cylindrical portion 1 of the bottomed cylindrical body is used as the belt hanging portion 4 and the bottom plate 2 is used as the support portion 5.
The cylindrical portion 1 is formed to be slightly wider than the belt width (Fig. 1).
次に、前記プーリー基材５を、円筒部１の外周
面を残し、その両側から、前記円筒部１の内径よ
り小径とした円柱状突出体７の先端に前記支持部
５の内側面８に当接する支持部当接面９を有し且
つ円柱状突出体７の基部に前記円筒部１の開口端
部１０に当接する端部当接面１１を円周方向に有
するクランパー１２（図上左側）と、支持部５の
外側面１３に当接しその当接面１４上に前記円筒
部１と支持部５とのコーナー部３の突出部１５に
対応する位置に環状の凹溝１６を形成したクラン
パー１７（図上右側）とによりクランプする（第
２図）。 Next, the pulley base material 5 is attached to the inner surface 8 of the support part 5 from both sides, leaving the outer peripheral surface of the cylindrical part 1, at the tip of a cylindrical protrusion 7 whose diameter is smaller than the inner diameter of the cylindrical part 1. A clamper 12 (on the left side in the figure) has a support abutment surface 9 that abuts, and an end abutment surface 11 that abuts the open end 10 of the cylindrical portion 1 in the circumferential direction at the base of the cylindrical protrusion 7. ), and an annular groove 16 is formed on the abutting surface 14 of the outer surface 13 of the support portion 5 at a position corresponding to the protrusion 15 of the corner portion 3 of the cylindrical portion 1 and the support portion 5. Clamp it with the clamper 17 (on the right side of the figure) (Fig. 2).
しかして、クランパー１２，１７により両側か
らクランプされたプーリー基材６は円筒部１の内
周面とクランパー１２の円柱状突出体７の外周面
との間に隙間１８が生じ、そしてコーナー部３の
突出部１５がクランパー１７の凹溝１６内に位置
した状態でクランプされる。 Thus, in the pulley base material 6 clamped from both sides by the clampers 12 and 17, a gap 18 is created between the inner circumferential surface of the cylindrical portion 1 and the outer circumferential surface of the cylindrical protrusion 7 of the clamper 12, and the corner portion 3 The clamper 17 is clamped with the protruding portion 15 positioned within the groove 16 of the clamper 17.
次に、このようにしてクランプされたプーリー
基材６の円筒部１の外周面にベルト巾に応じた巾
をもつロールダイス１９を押し当て回転させる。
このロールダイス１９の押圧力により、プーリー
基材６の円筒部１及びコーナー部３を圧潰するこ
とによつて、円筒部１がこの円筒部１の内周面と
前記クランパー１２の円柱状突出体７の外周面と
の間に生じた隙間１８に圧入されることになり、
円筒部１の外周面にロールダイス１９の巾の溝部
が形成され、そして前記コーナー部３の突出部１
５をクランパー１７の凹溝１６に圧入することに
より、コーナー部３に膨出部２０を形成する。こ
の膨出部２０によりコーナー部３は肉厚となる
（第３図）。 Next, a roll die 19 having a width corresponding to the belt width is pressed against the outer peripheral surface of the cylindrical portion 1 of the pulley base material 6 thus clamped and rotated.
By crushing the cylindrical portion 1 and the corner portion 3 of the pulley base material 6 by the pressing force of the roll die 19, the cylindrical portion 1 is formed between the inner circumferential surface of the cylindrical portion 1 and the cylindrical protrusion of the clamper 12. It will be press-fitted into the gap 18 created between the outer peripheral surface of 7 and
A groove having the width of the roll die 19 is formed on the outer peripheral surface of the cylindrical portion 1, and a protruding portion 1 of the corner portion 3 is formed.
5 is press-fitted into the groove 16 of the clamper 17, a bulge 20 is formed at the corner portion 3. This bulging portion 20 makes the corner portion 3 thick (FIG. 3).
このようにして円筒部１の外周面に形成された
溝部がベルト掛溝部２１となり、プーリーが完成
する。 The groove thus formed on the outer peripheral surface of the cylindrical portion 1 becomes the belt hooking groove 21, and the pulley is completed.
このようにして完成したプーリーはベルト掛溝
部２１が平滑な平ベルト用のプーリーであるが、
Ｖベルトを掛けるプーリーを製造する場合は、前
記のようにして形成された円筒部１の溝部に、所
定のＶベルトに応じ適数のＶ山２２を外周に形成
したロールダイス２３を押し当てる。このロール
ダイス２３の押し当てにより溝部にはＶ溝２４が
形成されＶプーリーが完成する（第４図）。 The pulley completed in this way is a flat belt pulley with a smooth belt hook groove 21.
When manufacturing a pulley on which a V-belt is hung, a roll die 23 having an appropriate number of V ridges 22 formed on its outer periphery in accordance with a predetermined V-belt is pressed into the groove of the cylindrical portion 1 formed as described above. By this pressing of the roll die 23, a V groove 24 is formed in the groove portion, and a V pulley is completed (FIG. 4).
［発明の効果］
以上のように、この発明に係るプーリーの製造
方法は、金属板をもつて円筒部と底板とのコーナ
ー部を内側から押し出して外側コーナー部を環状
に突出させた有底円筒体に形成し、この有底円筒
体をもつて有底円筒体の円筒部の外周面をベルト
掛部として底板を支持部とするプーリー基材を形
成し、このプーリー基材を、円筒部の外周面を残
し、その両側から円筒部の内径より小径とした円
柱状突出体の先端に前記支持部の内側面に当接す
る支持部当接面を有し且つ円柱状突出体の基部に
前記円筒部の開口端部に当接する端部当接面を円
周方向に有するクランパーと、支持部の外側面に
当接しその当接面上に前記円筒部とのコーナー部
の突出部に対応する位置に環状の凹溝を形成した
クランパーとによりクランプした後、円筒部の外
周面にロールダイスを押し当てて回転させ、円筒
部及びコーナー部を圧潰し、円筒部外周面の円周
方向にベルト掛溝部を形成するとともにコーナー
部の突出部を前記クランパーの凹溝に圧入するこ
とによりコーナー部に肉厚の膨出部を形成するの
で、コーナー部が強化され、堅牢で耐久性があ
り、そして安全性の高いプーリーを得ることがで
き、更に、プーリー基材の形成の段階でコーナー
部にはあらかじめ突出部を形成しておくので、ク
ランパーによりクランプして転造による形成時
に、コーナー部に容易に膨出部を形成することが
できるといつた効果がある。[Effects of the Invention] As described above, the method for manufacturing a pulley according to the present invention produces a bottomed cylinder in which a metal plate is used to push out the corner part of the cylindrical part and the bottom plate from the inside so that the outer corner part protrudes annularly. A pulley base material is formed in which the outer peripheral surface of the cylindrical portion of the bottomed cylindrical body is used as a belt hanging part and the bottom plate is a support part, and this pulley base material is attached to the bottom plate of the cylindrical part. A cylindrical protruding body having a diameter smaller than the inner diameter of the cylindrical part from both sides thereof has a supporting part abutting surface that abuts the inner surface of the supporting part at the tip of the cylindrical protruding body while leaving an outer circumferential surface, and the base of the cylindrical protruding body a clamper having an end abutting surface in the circumferential direction that abuts the open end of the support section; and a clamper that abuts the outer surface of the support section and has a position on the abutment surface corresponding to the protrusion of the corner with the cylindrical section. After clamping with a clamper having an annular groove formed in the cylindrical part, a roll die is pressed against the outer peripheral surface of the cylindrical part and rotated to crush the cylindrical part and the corner part, and the belt is hung in the circumferential direction of the outer periphery of the cylindrical part. By forming a groove and press-fitting the protruding part of the corner part into the recessed groove of the clamper, a thick bulge is formed at the corner part, so the corner part is strengthened, strong, durable, and safe. Furthermore, since protrusions are formed in advance at the corners during the formation of the pulley base material, the corners can be easily clamped with a clamper and formed by rolling. There is an effect that a bulge can be formed.
第１図乃至第４図は、この発明の実施の工程を
示す説明図である。
１…円筒部、２…底板、３…コーナー部、４…
ベルト掛部、５…支持部、６…プーリー基材、７
…円柱状突出部、８…内側面、９…支持部当接
面、１０…開口端部、１１…端部当接面、１２…
クランパー、１３…外側面、１４…当接面、１５
…突出部、１６…凹溝、１７…クランパー、１９
…ロールダイス、２０…膨出部、２１…ベルト掛
溝部。
FIGS. 1 to 4 are explanatory diagrams showing steps for implementing the present invention. 1... Cylindrical part, 2... Bottom plate, 3... Corner part, 4...
Belt hanging part, 5... Support part, 6... Pulley base material, 7
...Cylindrical protrusion, 8...Inner surface, 9...Support contact surface, 10...Open end, 11...End contact surface, 12...
Clamper, 13... Outer surface, 14... Contact surface, 15
...Protrusion, 16...Concave groove, 17...Clamper, 19
...Roll die, 20...Bulging part, 21...Belt hooking groove part.
Claims (1)
を内側から押し出して外側コーナー部を環状に突
出させた有底円筒体に形成し、この有底円筒体を
もつて有底円筒体の円筒部の外周面をベルト掛部
として底板を支持部とするプーリー基材を形成
し、このプーリー基材を、円筒部の外周面を残
し、その両側から円筒部の内径より小径とした円
柱状突出体の先端に前記支持部の内側面に当接す
る支持部当接面を有し且つ円柱状突出体の基部に
前記円筒部の開口端部に当接する端部当接面を円
周方向に有するクランパーと、支持部の外側面に
当接しその当接面上に前記円筒部と支持部とのコ
ーナー部の突出部に対応する位置に環状の凹溝を
形成したクランパーとによりクランプした後、円
筒部の外周面にロールダイスを押し当てて回転さ
せ、円筒部及びコーナー部を圧潰し、円筒部外周
面の円周方向にベルト掛溝部を形成するとともに
コーナー部の突出部を前記クランパーの凹溝に圧
入することによりコーナー部に肉厚の膨出部を形
成することを特徴とするプーリーの製造方法。1 Holding a metal plate, extrude the corner part of the cylindrical part and the bottom plate from the inside to form a bottomed cylindrical body with the outer corner part protruding in an annular shape, and use this bottomed cylindrical body to form the cylinder of the bottomed cylindrical body. A pulley base material is formed with the outer peripheral surface of the cylindrical part as a belt hanging part and the bottom plate as a support part, and this pulley base material is formed with a cylindrical protrusion having a smaller diameter than the inner diameter of the cylindrical part from both sides, leaving the outer peripheral surface of the cylindrical part. The distal end of the body has a support abutment surface that abuts the inner surface of the support, and the base of the cylindrical protrusion has an end abutment surface that abuts the open end of the cylindrical portion in the circumferential direction. After being clamped by a clamper and a clamper that abuts the outer surface of the support part and has an annular groove formed on the abutment surface at a position corresponding to the protruding part of the corner of the cylindrical part and the support part, the cylinder is clamped. A roll die is pressed against the outer circumferential surface of the clamper and rotated to crush the cylindrical portion and the corner portion, thereby forming a belt hook groove in the circumferential direction of the outer circumferential surface of the cylindrical portion. A method for manufacturing a pulley, the method comprising: forming a thick bulge at a corner by press-fitting the pulley into the pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22822485A JPS6288522A (en) | 1985-10-14 | 1985-10-14 | Manufacture of pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22822485A JPS6288522A (en) | 1985-10-14 | 1985-10-14 | Manufacture of pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6288522A JPS6288522A (en) | 1987-04-23 |
| JPH0220344B2 true JPH0220344B2 (en) | 1990-05-09 |
Family
ID=16873117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22822485A Granted JPS6288522A (en) | 1985-10-14 | 1985-10-14 | Manufacture of pulley |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6288522A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR930007661B1 (en) * | 1989-06-28 | 1993-08-18 | 가부시끼가이샤 가네미쯔 | Method of manufacturing poly-v pulleys from sheet metal |
| CA2591958C (en) * | 2004-12-23 | 2012-06-19 | Mueller Weingarten Ag | Method for producing longitudinal grooves in cylindrical workpieces |
| JP5087803B2 (en) * | 2008-08-07 | 2012-12-05 | 旭産業株式会社 | Method for manufacturing clutch pulley pulley and rolling device thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5910432A (en) * | 1982-07-08 | 1984-01-19 | Mitsuike Kogyo Kk | Production of pulley with multiple v-grooves |
| JPS60188657A (en) * | 1984-03-07 | 1985-09-26 | Sanshu Press Kogyo Kk | Poly-v pulley made of sheet metal and manufacturing method and apparatus for said pulley |
-
1985
- 1985-10-14 JP JP22822485A patent/JPS6288522A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5910432A (en) * | 1982-07-08 | 1984-01-19 | Mitsuike Kogyo Kk | Production of pulley with multiple v-grooves |
| JPS60188657A (en) * | 1984-03-07 | 1985-09-26 | Sanshu Press Kogyo Kk | Poly-v pulley made of sheet metal and manufacturing method and apparatus for said pulley |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6288522A (en) | 1987-04-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |