JPH0118813B2 - - Google Patents
Info
- Publication number
- JPH0118813B2 JPH0118813B2 JP26093584A JP26093584A JPH0118813B2 JP H0118813 B2 JPH0118813 B2 JP H0118813B2 JP 26093584 A JP26093584 A JP 26093584A JP 26093584 A JP26093584 A JP 26093584A JP H0118813 B2 JPH0118813 B2 JP H0118813B2
- Authority
- JP
- Japan
- Prior art keywords
- shaping
- punch
- rotary table
- pressure
- bearing
- 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
- 238000007493 shaping process Methods 0.000 claims description 96
- 238000000034 method Methods 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 19
- 238000001125 extrusion Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 13
- 238000005452 bending Methods 0.000 description 9
- 239000011247 coating layer Substances 0.000 description 8
- 210000000078 claw Anatomy 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000002316 cosmetic surgery Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/06—Removing local distortions
- B21D1/08—Removing local distortions of hollow bodies made from sheet metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Sliding-Contact Bearings (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、板状のブランク材をプレス加工によ
つて円筒状に捲回せしめることによつて形成され
る円筒巻軸受の整形方法、とくに該円筒巻軸受の
真円度を向上せしめる整形方法に関するものであ
る。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a method for shaping a cylindrical bearing formed by winding a plate-shaped blank material into a cylindrical shape by press working. The present invention relates to a shaping method for improving the roundness of the cylindrical bearing.
一般に、第９図に示すような円筒巻軸受１は、
鋼などの裏金２上に摺動面をなす被覆層３が設け
られた長尺の帯状材から、プレス加工などによつ
て所定寸法の板状ブランク材を形成し、該ブラン
ク材を曲げ金型を用いた丸曲げ加工によつて被覆
層３が内側（もしくは外側）に位置するように捲
回せしめることによつて製造する方法が主に採ら
れている。
Generally, a cylindrical bearing 1 as shown in FIG.
A plate-shaped blank material of a predetermined size is formed by press working or the like from a long strip material having a coating layer 3 forming a sliding surface on a backing metal 2 made of steel, etc., and the blank material is bent into a mold. A manufacturing method is mainly adopted in which the cover layer 3 is wound using a round bending process so that the coating layer 3 is located on the inside (or outside).
しかし、該丸曲げ加工のままではスプリングバ
ツクによつて円筒巻軸受１に形成される合せ目４
の間隔（図中符号ｔ）が大きくなり、しかもその
端部がほぼ直線状に開いて（図中破線状態符号
Ｓ）高い真円度が得られず円筒巻軸受１として使
用に供し難いため、通常は第７図に示すような整
形孔５を有する整形ダイス６（サイジングダイ
ス）と押圧パンチ７とからなる金型８を用いて整
形する方法が採られている。 However, if the round bending process is continued, the seam 4 formed in the cylindrical bearing 1 due to spring back
The distance between the bearings (symbol t in the diagram) becomes large, and the ends of the bearings are opened almost linearly (dashed line status symbol S in the diagram), making it difficult to obtain high roundness and making it difficult to use as the cylindrical bearing 1. Normally, a method of shaping is used, as shown in FIG. 7, using a mold 8 consisting of a shaping die 6 (sizing die) having a shaping hole 5 and a pressing punch 7.
詳述すれば、プレス機械等のダイホルダー９側
に整形ダイス６を配し、ラム（図示せず）側に押
圧パンチ７を該ラムの動きによつて整形ダイスの
整形孔５内に出入り（図示矢印Ｘ方向）出来るよ
うに配し、丸曲げ加工された円筒巻軸受１を整形
ダイスの整形孔５内を通過するように押圧パンチ
７で押し込むことにより塑性変形させて整形し、
合せ目４の開き量を小さくし、かつその端部に所
望の曲率を与えて真円度を高める方法が採られて
いる。 More specifically, a shaping die 6 is placed on the side of a die holder 9 of a press machine, etc., and a pressing punch 7 is placed on the side of a ram (not shown), which moves in and out of the shaping hole 5 of the shaping die by the movement of the ram (not shown). The cylindrical wound bearing 1, which has been round bent, is pushed in with a pressing punch 7 so as to pass through the shaping hole 5 of the shaping die, thereby being plastically deformed and shaped.
A method has been adopted in which the amount of opening of the seam 4 is reduced and a desired curvature is given to the end of the seam 4 to improve roundness.
しかしながら、該整形方法を用いても、横断面
における真円度は向上するが第８図に示すように
円筒巻軸受１の肉厚および整形ダイスとのクリア
ランスなどのバラツキによつて合せ目４の間隔が
両端で微小に異なる（図中符号t′，t″がt′＜t″とな
る）現象を生じ、ハウジングへの圧入に支障を来
したりあるいは圧入後の内径寸法精度にバラツキ
を生ずるなどの問題、または被覆層３が整形圧力
により裏金２より剥離するなどの問題がある。 However, even if this shaping method is used, the roundness in the cross section is improved, but as shown in FIG. This causes a slight difference in the spacing at both ends (the symbols t' and t'' in the figure become t'<t''), which may impede press-fitting into the housing or cause variations in the accuracy of the inner diameter dimension after press-fitting. There are also problems such as the coating layer 3 peeling off from the back metal 2 due to shaping pressure.
本発明は上述の問題点に鑑み、合せ目の間隔を
微小にして真円度を向上せしめるとともに被覆層
の剥離がない円筒巻軸受の整形方法を提供するこ
とを技術的課題とするものである。
In view of the above-mentioned problems, the technical object of the present invention is to provide a method for shaping a cylindrical bearing that improves roundness by reducing the interval between joints and that does not cause peeling of the coating layer. .
本発明は上記課題を解決するため、以下の技術
的手段を採るものである。
In order to solve the above problems, the present invention takes the following technical means.
すなわち、所定の径の整形孔を有する整形ダイ
スが等配状に少なくも３個以上配された回転テー
ブルと、該回転テーブルの特定の整形ダイス位置
で、該整形ダイスを両端からそれぞれ挟むように
対向して配された先端に小径部を段部に連なつて
有する押圧パンチと先端に該押圧パンチの小径部
が嵌挿する受圧凹部を有する受圧パンチと、回転
テーブルの整形ダイスが、押圧および受圧パンチ
の位置を通過した位置に配された押出パンチとか
らなる金型によつて、板状のブランク材をプレス
加工によつて円筒状に捲回せしめた円筒巻軸受を
(イ)、該円筒巻軸受を回転テーブルの整形ダイス整
形孔内に該回転テーブルの軸線と平行に挿入す
る、(ロ)、該整形孔内の円筒巻軸受を小径部を該軸
受に嵌合させた押圧パンチの段部と、受圧パンチ
の受圧凹部とで挟み、かつその軸線方向に押圧し
て整形孔に等しい外径と押圧パンチの小径部に等
しい内径とを有する円筒巻軸受に整形する。(ハ)、
該整形後の円筒巻軸受を押圧パンチによつて整形
ダイスより押し出す、以上(イ)、(ロ)、(ハ)、の作動を
それぞれの位置で同時に、かつ連続的に回転テー
ブルを所定間隔で回転させて行なう手段を採るも
のである。 In other words, a rotary table in which at least three or more shaping dies having shaping holes of a predetermined diameter are arranged in an evenly spaced manner, and a rotating table in which the shaping dies are sandwiched from both ends at specific positions of the shaping dies on the rotary table. A pressure punch having a small diameter part connected to a stepped part at the tip disposed facing each other, a pressure receiving punch having a pressure receiving recess at the tip into which the small diameter part of the press punch is inserted, and a shaping die on a rotary table are configured to press and A cylindrical bearing is made by winding a plate-shaped blank material into a cylindrical shape by press working using a mold consisting of an extrusion punch placed past the position of the pressure-receiving punch.
(a) Insert the cylindrical bearing into the shaping hole of the shaping die of the rotary table parallel to the axis of the rotary table; (b) Fit the small diameter portion of the cylindrical bearing in the shaping hole into the bearing. The bearing is sandwiched between the stepped part of the pressure punch and the pressure receiving recess of the pressure punch, and pressed in the axial direction thereof to form a cylindrical bearing having an outer diameter equal to the shaping hole and an inner diameter equal to the small diameter part of the pressure punch. . (c),
The cylindrical wound bearing after shaping is pushed out from the shaping die by a pressure punch, and the above operations (a), (b), and (c) are carried out simultaneously at each position and continuously at predetermined intervals on the rotary table. This is done by rotating it.
本発明は上述の手段を採ることにより、従来に
比して(1)、合せ目の間隔が小さく、(2)、高い真円
度を有し、(3)、被覆層の剥離がなく、(4)、ハウジ
ングへの圧入の容易な円筒巻軸受を連続的に得る
ことが出来るものである。
By adopting the above-mentioned means, the present invention has (1) a smaller gap between seams, (2) a higher roundness, and (3) no peeling of the coating layer than the conventional one. (4) It is possible to continuously obtain a cylindrical wound bearing that can be easily press-fitted into a housing.
以下、本発明の実施例を図面において詳細に説
明する。
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
１０は本発明の円筒巻ブツシユ１１の整形方法
に用いる金型で、該金型１０は整形孔１２を有す
る整形ダイス１３が配された回転テーブル１４
と、該回転テーブル１４を両側面から挟持するよ
うに配された支持体１５および保持体１６と、該
支持体１５保持体１６に回転テーブル１４を両端
から相対向して挟むようにそれぞれ配された押圧
パンチ１７および受圧パンチ１８と、保持体１６
に配された円筒巻軸受１１を押し出す押出パンチ
１９とから構成されている。 Reference numeral 10 denotes a mold used in the method for shaping the cylindrical bushing 11 of the present invention, and the mold 10 includes a rotary table 14 on which a shaping die 13 having a shaping hole 12 is arranged.
a support 15 and a holder 16 arranged to sandwich the rotary table 14 from both sides; The pressing punch 17 and the pressure receiving punch 18, and the holding body 16
It consists of an extrusion punch 19 that extrudes a cylindrical bearing 11 disposed in the cylindrical bearing 11.
そして、整形ダイス１３は回転テーブル１４に
少なくとも３個以上その円周方向に等配状に配さ
れ、また押圧パンチ１７および受圧パンチ１８
は、特定の位置で整形ダイスの整形孔１２を出入
り可能に配され、かつ押出パンチ１９は整形ダイ
ス１３が回転テーブル１４の回転によつて押圧お
よび受圧パンチ１８の位置を通過した位置に、そ
の整形孔１２に出入り可能に配されている。 At least three shaping dies 13 are arranged on the rotary table 14 at equal intervals in the circumferential direction, and a pressure punch 17 and a pressure receiving punch 18
is arranged so as to be able to go in and out of the shaping hole 12 of the shaping die at a specific position, and the extrusion punch 19 is placed at a position where the shaping die 13 passes the position of the pressing and pressure receiving punch 18 by the rotation of the rotary table 14. It is arranged so that it can go in and out of the shaping hole 12.
２０は支持体１５に配されて回転テーブル１４
を回転可能に軸支する支持ピンである。 20 is placed on the support 15 and connects to the rotary table 14
This is a support pin that rotatably supports the
２１…２１は回転テーブル１４の周縁に設けら
れた複数のラチエツト溝で、該ラチエツト溝２１
は整形ダイス１３の配置間隔と等しく形成されて
いる。 21...21 are a plurality of ratchet grooves provided on the periphery of the rotary table 14, and the ratchet grooves 21...
are formed to be equal to the arrangement interval of the shaping dies 13.
２２はラチエツト溝２１に係合して回転テーブ
ル１４を回転させる回転爪で、該回転爪２２は枠
体２３に配されたシリンダー２４と連結され、該
シリンダー２４の駆動によつて円筒巻軸受１１の
整形孔１２への挿入および整形ならびに整形孔１
２よりの押し出しが所定位置で行われるように作
動される。 Reference numeral 22 denotes a rotary pawl that engages with the ratchet groove 21 to rotate the rotary table 14. The rotary pawl 22 is connected to a cylinder 24 disposed on the frame 23, and when the cylinder 24 is driven, the cylindrical bearing 11 is rotated. Insertion and shaping into the shaping hole 12 and shaping hole 1
The two-way extrusion is activated in a predetermined position.
２５は押圧パンチ１７の先端部分に設けられた
整形孔１２への嵌合部、２６は該嵌合部２５に段
部２７を形成するように連なつて設けられた小径
部で、該小径部２６は円筒巻軸受１１の整形時に
該軸受１１を保持するとともに内径が所定寸法と
なるように芯金の機能を持つものである。 25 is a fitting part into the shaping hole 12 provided at the tip of the press punch 17; 26 is a small diameter part provided in series to form a step 27 in the fitting part 25; Reference numeral 26 serves as a core metal to hold the cylindrical bearing 11 during shaping and to keep the inner diameter to a predetermined size.
２８は受圧パンチ１８の先端に設けられた円筒
状の受圧凹部で、該受圧凹部２８は整形ダイスの
整形孔１２に嵌合するとともに押圧パンチの小径
部２６が嵌合し得るように形成されている。 Reference numeral 28 denotes a cylindrical pressure receiving recess provided at the tip of the pressure receiving punch 18, and the pressure receiving recess 28 is formed so as to fit into the shaping hole 12 of the shaping die and into which the small diameter portion 26 of the pressure punch can fit. There is.
２９は受圧パンチ１８を支持するとともに整形
時に過負荷を吸収するようにスライドする整形ダ
イス１３を押さえる支持パツドで、該支持パツド
２９は支持体１５に設けられた段付き孔３０に移
動可能に嵌合されている。 Reference numeral 29 denotes a support pad that supports the pressure receiving punch 18 and presses down the shaping die 13 which slides to absorb overload during shaping, and the support pad 29 is movably fitted into a stepped hole 30 provided in the support body 15. are combined.
３１は支持パツド２９と枠体２３間に配された
弾性体で、該弾性体３１は整形時にスライドした
整形ダイス１３を整形後、その押圧力で支持パツ
ド２９を介して回転テーブル１４に戻すものであ
る。 Reference numeral 31 denotes an elastic body disposed between the support pad 29 and the frame 23, and the elastic body 31 returns the shaping die 13 that slid during shaping to the rotary table 14 via the support pad 29 by its pressing force after shaping. It is.
３２は支持体１５に設けられた整形後の円筒巻
軸受１１を排出する排出孔で、該排出孔３２は押
出パンチ１９と対向する位置に設けられている。 Reference numeral 32 denotes a discharge hole provided in the support body 15 for discharging the shaped cylindrical bearing 11, and the discharge hole 32 is provided at a position facing the extrusion punch 19.
３３は保持体１６に設けられた円筒巻軸受１１
の供給孔、３４は回転爪２２が配される凹部であ
る。 33 is a cylindrical bearing 11 provided on the holding body 16
The supply hole 34 is a recess in which the rotary claw 22 is placed.
３５，３５は押圧パンチ１７および押出パンチ
１９をその軸線方向に作動させるカム装置、３
６，３６は該カム装置３５を支持する支持台、３
７は保持体１６に設けられた押圧パンチ１７の摺
動孔である。 35, 35 is a cam device that operates the press punch 17 and the extrusion punch 19 in the axial direction;
6 and 36 are support stands that support the cam device 35;
Reference numeral 7 designates a sliding hole for a press punch 17 provided in the holder 16.
ここで、図示しないが押出パンチ１９も押圧パ
ンチ１７と同様に保持体１６に設けられた摺動孔
で支持されている。 Although not shown, the extrusion punch 19 is also supported by a sliding hole provided in the holder 16 in the same way as the press punch 17.
３８，３８はカム装置３５と保持体１６間に配
された弾性体で、該弾性体３８は押圧パンチ１７
および押出パンチ１９を、これらがそれぞれ整形
加工および排出作業を行つた後、該加工および排
出作業時に生じた押圧力で復帰させるものであ
る。 38, 38 are elastic bodies arranged between the cam device 35 and the holding body 16, and the elastic body 38 is connected to the pressing punch 17.
After the extrusion punches 19 and 19 have respectively been shaped and discharged, they are returned to their original positions by the pressing force generated during the processing and discharge operations.
３９は受圧パンチ１８を作動させるシリンダー
で、該シリンダー３９は枠体２３に配されてい
る。 Reference numeral 39 denotes a cylinder for operating the pressure receiving punch 18, and the cylinder 39 is disposed on the frame 23.
以下、本発明の円筒巻軸受１１の整形方法につ
いて詳述する。 Hereinafter, the method for shaping the cylindrical bearing 11 of the present invention will be described in detail.
本発明の円筒巻軸受１１の整形は、鋼などの裏
金上に摺動面となる被覆層が設けられた長尺の帯
状材から、プレス加工などによつて所定寸法の板
状ブランク材を形成し、該ブランク材をプレス金
型Ａによる丸曲げ加工で円筒状に捲回せしめて形
成した円筒巻軸受１１を保持体１６に設けた供給
孔３３を通して（図中矢印Ｆ方向）、回転テーブ
ル１４に配された整形ダイスの整形孔１２に該回
転テーブル１４の軸線と該軸受１１の軸線を平行
にし、かつ連続して供給される供給力を持つて順
次挿入（第３図参照）し、ついて該回転テーブル
１４をラチエツト溝２１に噛み合う回転爪２２を
シリンダー２４によつて往復動（図中矢印Ｇ方
向）させ、該回転爪２２のいずれか一方への作動
時に所定角度回転せしめる（図中矢印Ｈ方向）。 The shaping of the cylindrical bearing 11 of the present invention involves forming a plate-shaped blank material of a predetermined size by press working or the like from a long strip material having a coating layer that serves as a sliding surface on a backing metal such as steel. Then, the cylindrical bearing 11, which is formed by winding the blank into a cylindrical shape by round bending using a press die A, is passed through the supply hole 33 provided in the holder 16 (in the direction of arrow F in the figure) to the rotary table 14. With the axis of the rotary table 14 and the axis of the bearing 11 parallel to each other, and with a continuous supply force, the dies are sequentially inserted into the shaping hole 12 of the shaping die (see Fig. 3). The rotary claw 22 that engages the ratchet groove 21 of the rotary table 14 is reciprocated by the cylinder 24 (in the direction of arrow G in the figure), and rotated by a predetermined angle when either one of the rotary claws 22 is operated (in the direction of the arrow in the figure). H direction).
詳述すれば、回転爪２２をシリンダー２４で前
進させて所定間隔で設けられたラチエツト溝２１
に噛み合わせ、しかる後該回転爪２２をラチエツ
ト溝２１に噛み合つた状態でシリンダー２４によ
つて後退させることにより、回転テーブル１４を
該回転テーブル１４に配された次位置の整形ダイ
ス１３が供給孔３３の位置に、また円筒巻軸受１
１が挿入された整形ダイス１３が次工程の位置に
それぞれ送られるように一方向に所定角度回転せ
しめる。 To be more specific, the rotating pawl 22 is moved forward by the cylinder 24, and the ratchet grooves 21 are formed at predetermined intervals.
Then, by retracting the rotary claw 22 by the cylinder 24 with the rotary claw 22 engaged with the ratchet groove 21, the rotary table 14 is supplied with the shaping die 13 at the next position arranged on the rotary table 14. At the position of the hole 33, there is also a cylindrical bearing 1.
The shaping dies 13 into which the dies 1 are inserted are rotated by a predetermined angle in one direction so as to be sent to the positions for the next process.
つぎに、整形ダイスの整形孔１２に挿入された
円筒巻軸受１１は回転テーブル１４の回転によつ
て押圧パンチ１７と受圧パンチ１８が配された位
置に送られ、該位置で押圧パンチ１７をプレスな
どの上下方向の動き（図中矢印Ｋ方向）をカム装
置３５によつて水平方向の動き（図中矢印Ｌ方
向）に変換させ、受圧パンチ１８をシリンダー３
９によつて押圧パンチ１７の動きと対応するよう
に作動（図中矢印Ｍ方向）させることにより、該
押圧パンチ１７と受圧パンチ１８の整形ダイス１
３側への作動で、整形孔１２内の円筒巻軸受１１
を押圧パンチの段部２７と受圧パンチの受圧凹部
２８とで該押圧パンチの小径部２６を該軸受１１
の内径に嵌挿し、その先端を受圧パンチの受圧凹
部２８内に嵌合することによつて挟み、かつその
軸線方向に押圧して整形孔１２に等しい外径と押
圧パンチの小径部２６に等しい内径とを有する円
筒巻軸受１１に整形する（第４図参照）。 Next, the cylindrical bearing 11 inserted into the shaping hole 12 of the shaping die is sent to the position where the pressure punch 17 and the pressure receiving punch 18 are arranged by the rotation of the rotary table 14, and the pressure punch 17 is pressed at this position. The cam device 35 converts vertical movement (in the direction of arrow K in the figure) into horizontal movement (in the direction of arrow L in the figure), and the pressure receiving punch 18 is moved to the cylinder 3.
9 in a manner corresponding to the movement of the pressing punch 17 (in the direction of arrow M in the figure), the shaping die 1 of the pressing punch 17 and the pressure receiving punch 18 is
3 side, the cylindrical bearing 11 in the shaped hole 12
The small diameter portion 26 of the pressing punch is connected to the bearing 11 by the stepped portion 27 of the pressing punch and the pressure receiving recess 28 of the pressure receiving punch.
by fitting the tip into the pressure-receiving recess 28 of the pressure-receiving punch, and pressing it in the axial direction to form an outer diameter equal to the shaping hole 12 and a diameter equal to the small-diameter portion 26 of the pressure punch. The bearing is shaped into a cylindrical bearing 11 having an inner diameter (see FIG. 4).
しかる後、整形された円筒巻軸受１１は押圧パ
ンチ１７と受圧パンチ１８を後退、いわゆる整形
ダイス１３より離れる方向へ作動させて回転テー
ブル１４を回転させることによつて押出パンチ１
９が配された位置に送られ、該位置で押出パンチ
１９を前述した押圧パンチ１７と同様にプレスな
どの上下方向の動きをカム装置３５によつて水平
方向の動きに変換して、該押出パンチ１９で円筒
巻軸受１１を整形孔１２より支持体１５に設けた
排出孔３２に押し出すことによつて完了するもの
である（第５図参照）。 Thereafter, the shaped cylindrical bearing 11 is shaped into the extrusion punch 1 by moving the pressing punch 17 and the pressure receiving punch 18 backward, in a direction away from the shaping die 13, and rotating the rotary table 14.
9 is arranged, and at this position, the extrusion punch 19 is moved by converting the vertical movement of the press etc. into horizontal movement by the cam device 35, similar to the above-mentioned pressing punch 17, and the extrusion punch 19 is This is completed by pushing out the cylindrical bearing 11 from the shaped hole 12 to the discharge hole 32 provided in the support body 15 using the punch 19 (see FIG. 5).
そして、円筒巻軸受１１が押し出された整形ダ
イス１３は回転テーブル１４の回転によつて保持
体の供給孔３３の位置に送られ、該整形ダイスの
整形孔１２には再び供給孔３３より円筒巻軸受１
１が挿入されるものである。 Then, the shaping die 13 from which the cylindrical bearing 11 has been pushed out is sent to the position of the supply hole 33 of the holder by the rotation of the rotary table 14, and the cylindrical winding is again inserted into the shaping hole 12 of the shaping die from the supply hole 33. Bearing 1
1 is inserted.
ここで、上述した一連の作動、すなわち(1)、円
筒巻軸受１１の整形孔１２への挿入、(2)、該円筒
巻軸受１１の押圧パンチ１７と受圧パンチ１８と
による整形、(3)、押出パンチ１９による円筒巻軸
受１１の整形孔１２よりの押し出し、を同時に行
い、かつ該作動毎に回転テーブル１４を所定角度
回転させることにより、連続的に円筒巻軸受１１
の整形を行うことができるものである。 Here, the series of operations described above, namely (1), insertion of the cylindrical bearing 11 into the shaping hole 12, (2), shaping of the cylindrical bearing 11 by the pressing punch 17 and the pressure receiving punch 18, (3) , and extrusion of the cylindrical bearing 11 from the shaping hole 12 by the extrusion punch 19 are performed simultaneously, and the rotary table 14 is rotated by a predetermined angle for each operation, thereby continuously extruding the cylindrical bearing 11.
It is possible to perform plastic surgery.
また、回転テーブル１４に配する整形ダイス１
３の数は、前述した一連の作動を連続的に得るた
めには３個を等配状に配することによつて十分満
足できるが、回転テーブル１４の回転方法を考慮
すると３個以上配することが、作業が行われない
送り部分を生じるが回転角度を小さくできるため
好ましいものである。 In addition, the shaping die 1 arranged on the rotary table 14
The number 3 can be sufficiently satisfied by arranging 3 evenly distributed in order to continuously obtain the above-mentioned series of operations, but considering the method of rotating the rotary table 14, it is necessary to arrange 3 or more. This is preferable because the rotation angle can be made small, although this results in a feeding portion where no work is performed.
本実施例において、金型１０を水平、いわゆる
押圧パンチ１７、押出パンチ１９および受圧パン
チ１８が水平方向に作動するように配設した態様
を図示したが該態様に限らずこれらが鉛直方向
（上下方向）に作動するように配設してもよく、
また押圧パンチ１７と受圧パンチ１８の位置を逆
にしてもよく、さらにまた押圧パンチ１７と受圧
パンチ１８を復数組配し、これらで順次整形する
態様を採つてもよいものである。 In this embodiment, the mold 10 is arranged horizontally, that is, the so-called press punch 17, extrusion punch 19, and pressure receiving punch 18 are arranged so as to operate in the horizontal direction. direction).
Further, the positions of the pressure punch 17 and the pressure receiving punch 18 may be reversed, and furthermore, several sets of the pressure punch 17 and the pressure receiving punch 18 may be arranged, and shaping may be performed sequentially using these.
さらに、回転テーブル１４をシリンダー２４に
連結した回転爪２２で回転させる態様で説明した
が、該回転テーブル１４はこれらに限らず他の方
法、例えばモーターあるいはプレスの上下方向の
動きを利用したカム機構を用いて回転するように
してもよいものである。 Furthermore, although the rotary table 14 has been described as being rotated by the rotary claw 22 connected to the cylinder 24, the rotary table 14 is not limited to these methods. It may also be rotated using
さらにまた、整形ダイス１３が整形時に回転テ
ーブル１４よりスライドする態様を図示したが、
該態様は整形時に過負荷が生じた場合、該力を該
整形ダイス１３がスライドすることにより逃がす
（吸収）ようにしたもので、整形時の過負荷対策、
換言すれば整形圧力の制御が他の方法で十分にな
される場合は、整形ダイス１３は上述の態様を採
ることなく回転テーブル１４に配することができ
るものである。 Furthermore, although a mode in which the shaping die 13 slides from the rotary table 14 during shaping is illustrated,
In this embodiment, when an overload occurs during shaping, the force is released (absorbed) by sliding of the shaping die 13, which is a countermeasure against overload during shaping.
In other words, if the shaping pressure is sufficiently controlled by another method, the shaping die 13 can be placed on the rotary table 14 without adopting the above-mentioned embodiment.
本発明の整形方法は、本出願人が特願昭58−
226294号で提案した第６図に示す円筒巻軸受１１
の製作に好適なプレス金型Ａと一体化することに
より、一層生産性が向上せしめられるものであ
る。 The plastic surgery method of the present invention was filed in Japanese Patent Application No. 1982-
Cylindrical bearing 11 shown in Fig. 6 proposed in No. 226294
By integrating it with the press mold A suitable for manufacturing, productivity can be further improved.
詳述すれば、該プレス金型Ａは上下面に所定幅
で切刃４０，４０を有するＶ字凹溝刻設型４１と
切断型４２とＵ曲げ型４３および丸曲げ型４４と
から構成されている。 Specifically, the press die A is composed of a V-shaped groove carving die 41 having cutting edges 40, 40 of a predetermined width on the upper and lower surfaces, a cutting die 42, a U bending die 43, and a round bending die 44. ing.
そして、該金型Ａをプレスのダイホルダー４５
とパンチホルダー４６間に配することによつて、
鋼などの裏金上に被覆層が設けられた帯状材４７
の表裏面にＶ字凹溝刻設型４１で相対向するＶ字
凹溝を所定幅で刻設し、ついで該Ｖ字凹溝の連結
部を切断型４２で切断してブランク材を形成し、
つぎに該ブランク材をＵ曲げ型４３でＵ曲げ加工
を施した後、丸曲げ型４４で円筒状に捲回するも
ので、該加工を帯状材４７の送りで順次次工程に
押し出し、かつ同時にそれぞれの型で行うことに
より連続的に円筒巻軸受１１を製作するものであ
る。 Then, the mold A is placed on the die holder 45 of the press.
By disposing it between the and punch holder 46,
A strip material 47 in which a coating layer is provided on a back metal such as steel.
Opposing V-shaped grooves are carved with a predetermined width on the front and back surfaces of the material using a V-shaped groove engraving die 41, and then the connecting portions of the V-shaped grooves are cut using a cutting die 42 to form a blank material. ,
Next, the blank material is subjected to a U-bending process using a U-bending die 43, and then wound into a cylindrical shape using a round bending die 44. This process is sequentially pushed out to the process by feeding a strip material 47, and at the same time. The cylindrical bearing 11 is manufactured continuously by using each mold.
このように構成されたプレス金型Ａの作動と本
発明の整形作動を同調させることにより、円筒巻
軸受１１をプレス金型Ａより整形金型１０に連続
的に供給できるため、生産性を向上できる利点を
有するものである。 By synchronizing the operation of the press die A configured in this way and the shaping operation of the present invention, the cylindrical wound bearing 11 can be continuously supplied from the press die A to the shaping die 10, thereby improving productivity. It has the advantage of being able to
本発明は、円筒巻軸受を回転テーブルに配した
整形ダイスの整形孔に挿入し、該整形孔内で押圧
パンチと受圧パンチとで挟んで軸線方向に押圧す
ることによつて整形し、押出パンチで整形孔より
押し出す整形方法を回転テーブルを回転させて連
続的に行うことにより、従来の整形方法に比し、
(1) 丸曲げ加工時の応力が均一化されてスプリン
グバツクが減少し、合せ目の開きが小さくなる
とともに肉厚が塑性変形によつて平均化される
ため高い真円度が得られる、
(2) 整形圧力が均一に作用するため、被覆層の剥
離を防止できる、
(3) 回転テーブルを用いることにより、連続的に
整形でき生産性が向上する、
(4) 真円度が向上することにより、ハウジングへ
の圧入が容易となる、
(5) プレス金型と本整形金型とを一体化すること
により、一貫生産を行うことができる、
などの、経済性および生産性にすぐれる多大な作
用効果を有するものである。
The present invention involves inserting a cylindrical wound bearing into a shaping hole of a shaping die arranged on a rotary table, and shaping the bearing by sandwiching it between a pressure punch and a pressure-receiving punch in the shaping hole and pressing it in the axial direction. Compared to conventional shaping methods, by continuously rotating the rotary table and extruding the shape from the shaping hole, (1) the stress during round bending is equalized, the spring back is reduced, and the High roundness can be achieved because the opening is smaller and the wall thickness is evened out by plastic deformation. (2) The shaping pressure acts evenly, preventing peeling of the coating layer. (3) ) By using a rotary table, it can be shaped continuously, improving productivity. (4) By improving roundness, it is easier to press fit into the housing. (5) Press mold and main shaping mold By integrating the mold with the mold, integrated production can be performed.
第１図は、本発明の円筒巻軸受の整形方法に用
いる金型の説明図、第２図は、第１図におけるＢ
−Ｂ線断面図、第３図は、第１図におけるＣ部拡
大図、第４図は、第１図におけるＤ部拡大図、第
５図は、第２図におけるＥ−Ｅ線部分拡大図、第
６図は、プレス金型の一例を示す断面図、第７図
は、従来の整形方法を示す説明図、第８図は、該
方法で得られた円筒巻軸受を示す斜視図、第９図
は、円筒巻軸受を示す斜視図である。
１０：金型、１１：円筒巻軸受、１２：整形
孔、１３：整形ダイス、１４：回転テーブル、１
７：押圧パンチ、１８：受圧パンチ、１９：押出
パンチ、２６：小径部、２７：段部、２８：受圧
凹部。
FIG. 1 is an explanatory diagram of a mold used in the method for shaping a cylindrical bearing of the present invention, and FIG.
3 is an enlarged view of section C in FIG. 1, FIG. 4 is an enlarged view of section D in FIG. 1, and FIG. 5 is an enlarged view of section D along line E-E in FIG. 2. , FIG. 6 is a sectional view showing an example of a press mold, FIG. 7 is an explanatory view showing a conventional shaping method, FIG. 8 is a perspective view showing a cylindrical wound bearing obtained by this method, and FIG. FIG. 9 is a perspective view showing a cylindrical bearing. 10: Mold, 11: Cylindrical bearing, 12: Shaping hole, 13: Shaping die, 14: Rotary table, 1
7: Pressing punch, 18: Pressure receiving punch, 19: Extrusion punch, 26: Small diameter portion, 27: Step portion, 28: Pressure receiving recess.
Claims (1)
状に少なくとも３個以上配された回転テーブル
と、該回転テーブルの特定の整形ダイス位置で、
該整形ダイスを両端からそれぞれ挟むように対向
して配された先端に小径部を段部に連なつて有す
る押圧パンチと先端に該押圧パンチの小径部が嵌
挿する受圧凹部を有する受圧パンチと、回転テー
ブルの整形ダイスが、押圧および受圧パンチの位
置を通過した位置に配された押出パンチとからな
る金型によつて、板状のブランク材をプレス加工
によつて円筒状に捲回せしめた円筒巻軸受を (イ) 該円筒巻軸受を回転テーブルの整形ダイス整
形孔内に該回転テーブルの軸線と平行に挿入す
る、 (ロ) 該整形孔内の円筒巻軸受を小径部を該軸受に
嵌合させた押圧パンチの段部と、受圧パンチの
受圧凹部とで挟み、かつその軸線方向に押圧し
て整形孔に等しい外径と押圧パンチの小径部に
等しい内径とを有する円筒巻軸受に整形する。 (ハ) 該整形後の円筒巻軸受を押圧パンチによつて
整形ダイスより押し出す、 以上(イ)、(ロ)、(ハ)、の作動をそれぞれの位置で同
時に、かつ連続的に回転テーブルを所定間隔で回
転させて行わせることを特徴とする円筒巻軸受の
整形方法。[Scope of Claims] 1. A rotary table on which at least three or more shaping dies having shaping holes of a predetermined diameter are arranged in an evenly spaced manner, and at a specific shaping die position on the rotary table,
A pressure punch having a small diameter part connected to a stepped part at the tip, which are arranged opposite to each other so as to sandwich the shaping die from both ends, and a pressure receiving punch having a pressure receiving recess at the tip into which the small diameter part of the press punch is inserted. , the shaping die on the rotary table is used to wind a plate-shaped blank material into a cylindrical shape by press working using a mold consisting of an extrusion punch placed at a position past the position of the pressing and pressure-receiving punches. (a) Insert the cylindrical wound bearing into the shaping die shaping hole of the rotary table parallel to the axis of the rotary table; (b) Insert the cylindrical wound bearing in the shaping hole so that the small diameter portion of the cylindrical wound bearing is inserted into the shaping die of the rotating table. A cylindrical-wound bearing that is sandwiched between the step part of a pressure punch fitted into the press punch and the pressure receiving recess of the pressure receiving punch, and pressed in the axial direction thereof to have an outer diameter equal to the shaped hole and an inner diameter equal to the small diameter part of the pressure punch. Shape it into. (c) Push out the shaped cylindrical bearing from the shaping die using a pressure punch. Perform the operations of (a), (b), and (c) above simultaneously and continuously at each position on the rotary table. A method for shaping a cylindrical bearing, characterized by rotating the bearing at predetermined intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26093584A JPS61140336A (en) | 1984-12-12 | 1984-12-12 | Shaping method of cylindrical wound bush bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26093584A JPS61140336A (en) | 1984-12-12 | 1984-12-12 | Shaping method of cylindrical wound bush bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61140336A JPS61140336A (en) | 1986-06-27 |
| JPH0118813B2 true JPH0118813B2 (en) | 1989-04-07 |
Family
ID=17354813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26093584A Granted JPS61140336A (en) | 1984-12-12 | 1984-12-12 | Shaping method of cylindrical wound bush bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61140336A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006038181A (en) * | 2004-07-29 | 2006-02-09 | Oiles Ind Co Ltd | Method for fixing cylindrical bearing bush to inside of bearing supporting body |
-
1984
- 1984-12-12 JP JP26093584A patent/JPS61140336A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61140336A (en) | 1986-06-27 |
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