JP2536799Y2 - Forging die - Google Patents

Forging die

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Publication number
JP2536799Y2
JP2536799Y2 JP1699893U JP1699893U JP2536799Y2 JP 2536799 Y2 JP2536799 Y2 JP 2536799Y2 JP 1699893 U JP1699893 U JP 1699893U JP 1699893 U JP1699893 U JP 1699893U JP 2536799 Y2 JP2536799 Y2 JP 2536799Y2
Authority
JP
Japan
Prior art keywords
workpiece
die
upper die
slider
fixed
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 - Fee Related
Application number
JP1699893U
Other languages
Japanese (ja)
Other versions
JPH073839U (en
Inventor
英明 朝倉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Musashi Seimitsu Industry Co Ltd
Original Assignee
Musashi Seimitsu Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Musashi Seimitsu Industry Co Ltd filed Critical Musashi Seimitsu Industry Co Ltd
Priority to JP1699893U priority Critical patent/JP2536799Y2/en
Publication of JPH073839U publication Critical patent/JPH073839U/en
Application granted granted Critical
Publication of JP2536799Y2 publication Critical patent/JP2536799Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Forging (AREA)

Description

【考案の詳細な説明】[Detailed description of the invention]

【0001】[0001]

【産業上の利用分野】本考案は、軸線方向中間部外周に
周状の溝を有する段付製品を製造する鍛造装置に関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a forging device for manufacturing a stepped product having a circumferential groove on the outer periphery of an intermediate portion in the axial direction.

【0002】[0002]

【従来の技術】従来、鍛造金型は上ダイに固設された上
金型と、上金型に対向して下ダイに固設された下金型と
からなり、下金型に被加工品を固定し上金型を下降させ
圧造することにより被加工品を形成していた。
2. Description of the Related Art Conventionally, a forging die is composed of an upper die fixed to an upper die and a lower die fixed to a lower die opposite to the upper die. The workpiece is formed by fixing the product, lowering the upper mold and forging.

【0003】このような鍛造装置としては、特開平4−
89153号、特開平2−217129号など多数あ
る。
[0003] Such a forging device is disclosed in Japanese Unexamined Patent Publication No.
89153 and JP-A-2-217129.

【0004】[0004]

【考案が解決しようとする課題】上記鍛造装置は、上金
型が上方より下降して被加工品を成形する一方向からの
圧造のため、軸線方向中間部外周に周状の溝を有する段
付製品を鍛造工程のみで成形することはできなかった。
つまり図4に示す如く、段付製品W13(図4の
(エ))を製造する場合、予め丸棒材を必要の長さに切
断した所要体積の円柱素材W10(図4の(ア))を用
意し、第1工程でその円柱素材W10をパンチによる押
出し成形にて、一端端面に小径凹溝191、他端端面に
大径凹溝192を備えた断面H状の予備成形品W11
(図4の(イ))を成形する。次に第2工程でその予備
成形品W11の小径凹溝191を深く成形するとともに
大径凹溝192を2段溝に成形した被加工品W12(図
4の(ウ))を成形する。そして第3工程で被加工品W
12の軸線方向中間部外周に切削加工により周状の溝1
93を成形して所定の段付製品W13を製造する。
The above-described forging device is a step having a circumferential groove on the outer periphery of a middle portion in the axial direction for forging from one direction in which an upper die descends from above to form a workpiece. The attached product could not be formed only by the forging process.
That is, as shown in FIG. 4, in the case of manufacturing a stepped product W13 (FIG. 4D), a cylindrical material W10 of a required volume obtained by previously cutting a round bar into a required length (FIG. 4A). In a first step, a preform W11 having an H-shaped cross section having a small-diameter concave groove 191 on one end surface and a large-diameter concave groove 192 on the other end surface by extruding the cylindrical material W10 by punching.
((A) of FIG. 4) is formed. Next, in a second step, a workpiece W12 ((c) in FIG. 4) in which the small-diameter concave groove 191 of the preformed product W11 is formed deep and the large-diameter concave groove 192 is formed into a two-step groove. Then, in the third step, the workpiece W
A circumferential groove 1 is formed on the outer periphery of the intermediate portion in the axial direction by cutting.
93 is molded to produce a predetermined stepped product W13.

【0005】よって、周状の溝193を切削加工で成形
しなければならないため、生産性が低下するということ
がある。また切削加工により歩留りが悪化し、コストア
ップにつながるということがある。
[0005] Therefore, since the circumferential groove 193 must be formed by cutting, productivity may be reduced. Further, the yield may be deteriorated by the cutting process, leading to an increase in cost.

【0006】従って、本考案はこのような課題を解決
し、生産性が高く、歩留りが良好な段付製品を製造する
鍛造金型を提供することを目的とする。
Accordingly, an object of the present invention is to solve such a problem and to provide a forging die for manufacturing a stepped product having high productivity and good yield.

【0007】[0007]

【課題を解決するための手段】本考案は以下の如き構成
である。
The present invention has the following configuration.

【0008】上ダイに固設され上ダイと一体的に上下動
する上金型と、上金型に対向し下ダイに固設されるとと
もに被加工品を固定する下金型と、被加工品の側面両側
に配設され被加工品に対して進退可能なスライダと、上
ダイ及び下ダイに支持されスライダと係合して単独でス
ライダを進退させるウェッジを備える。
An upper die fixed to the upper die and moving up and down integrally with the upper die, a lower die fixed to the lower die opposite to the upper die and fixing a workpiece; A slider disposed on both sides of the side of the workpiece and capable of moving forward and backward with respect to the workpiece; and a wedge supported by the upper die and the lower die and engaged with the slider to advance and retract the slider alone.

【0009】[0009]

【実施例】以下本考案の実施例の構成を図1乃至図3を
基に説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of the present invention will be described below with reference to FIGS.

【0010】図1は本考案の実施例の鍛造装置を使用し
て段付製品W3(図1の(エ))を製造する工程を表
し、予め丸棒材を必要の長さに切断した所要体積の円柱
素材W0(図1の(ア))を用意し、第1工程でその円
柱素材W0をパンチによる押出し成形にて、一端端部が
径方向外側に突出した大径なる周状大段部94を備えた
予備成形品W1(図1の(イ))を成形する。次に第2
工程でその予備成形品W1の、周状大段部94が成形さ
れた一端端面に段状の大径凹溝92、他端端面に小径凹
溝91を備えた被加工品W2(図1の(ウ))を成形す
る。この被加工品W2の一端端面に成形された周状大段
部94及び大径凹溝92の形状は、所望する段付製品の
対応する形状と略同一形状に成形される。そして第3工
程で被加工品W2の小径凹溝91を深くするとともに、
小径凹溝91が成形された端部を径方向外側に突出させ
た大径なる周状小段部95を成形し、その結果、周状小
段部95と周状大段部94との間に周状の溝93が成形
され、所定の段付製品W3が製造される。
FIG. 1 shows a process of manufacturing a stepped product W3 (FIG. 1D) using the forging device according to the embodiment of the present invention. A cylindrical material W0 having a volume ((A) in FIG. 1) is prepared, and in a first step, the cylindrical material W0 is extruded by a punch, and a large-diameter circumferential step having one end protruding radially outward. A preform W1 ((a) in FIG. 1) having the portion 94 is formed. Then the second
A workpiece W2 (FIG. 1) having a stepped large-diameter concave groove 92 at one end face on which the large peripheral step 94 is formed and a small-diameter concave groove 91 at the other end face of the preformed product W1 in the process. (C)) is molded. The shapes of the large peripheral step 94 and the large-diameter concave groove 92 formed on one end surface of the workpiece W2 are formed to have substantially the same shape as the corresponding shape of the desired stepped product. Then, in the third step, the small-diameter concave groove 91 of the workpiece W2 is deepened,
A large-diameter circumferential small step 95 is formed by projecting the end formed with the small-diameter concave groove 91 outward in the radial direction. The groove 93 is formed, and a predetermined stepped product W3 is manufactured.

【0011】上記段付製品の製造工程の中で、本考案の
鍛造装置を使用する第3工程について、図2及び図3を
基に説明する。
In the step of manufacturing the stepped product, a third step using the forging device of the present invention will be described with reference to FIGS.

【0012】図は、第3工程で軸線方向中間部外周に周
状の溝93を成形する鍛造装置1を表し、図2の左半部
は成形前、右半部は成形中の断面正面図、図3は成形中
の断面平面図である。
FIG. 1 shows a forging device 1 for forming a circumferential groove 93 on the outer periphery of an intermediate portion in the axial direction in a third step. The left half of FIG. FIG. 3 is a sectional plan view during molding.

【0013】11は、上ダイ51に固設され上ダイ51
と一体的に上下動する上金型で、上ノックアウト15、
パンチ14、パンチガイド12及びスペーサ16とから
なり、パンチガイド12に取付けられたボルト13によ
り上ダイ51に固定される。上ノックアウト15及びパ
ンチ14の先端形状は段付製品W3の小径凹溝91と同
一形状をなしている。
An upper die 51 is fixed to the upper die 51.
The upper die which moves up and down integrally with the upper knockout 15,
The punch includes a punch, a punch guide, and a spacer, and is fixed to the upper die by bolts attached to the punch guide. The tip shapes of the upper knockout 15 and the punch 14 have the same shape as the small-diameter concave groove 91 of the stepped product W3.

【0014】21は、上金型11に対向し下ダイ52に
固設された下金型で、下金型21の内部中心には下ノッ
クアウト22が嵌挿されている。下金型21の下方に
は、下金型21を支持する支持板23が配設され、また
下ダイ52の両端には、一定間隔をおいて2つの回転可
能な固定回転盤25,26が各々装備されている。この
下金型21の上部に被加工品W2が嵌装される。
A lower die 21 is fixed to the lower die 52 so as to face the upper die 11, and a lower knockout 22 is fitted into the lower die 21 at its center. Below the lower mold 21, a support plate 23 for supporting the lower mold 21 is disposed. At both ends of the lower die 52, two rotatable fixed rotating plates 25 and 26 are provided at regular intervals. Each is equipped. The workpiece W2 is fitted on the upper part of the lower mold 21.

【0015】31は、下ダイ52の上面を被加工品W2
に対して進退可能に移動するスライダで、そのスライダ
31は被加工品W2側から型彫部材32、第1押圧部材
33及び第2押圧部材34からなる。型彫部材32の内
側面は、段付製品W3の外周形状と同一形状をなしてい
る。また第2押圧部材34には、下ダイ52の固定回転
盤25,26より間隔が狭い移動回転盤35,36が固
定回転盤25,26を挟んで各々並列に装備されてい
る。この移動回転盤35,36及び固定回転盤25,2
6の間には、ウェッジ41の一端端部43が嵌挿され、
他端端部42が上ダイ51に支持される。ウェッジ41
は、一端端部43で水平断面で中央部46と両側に突出
する横突部44,44を有するT字をなし、他端端部4
2で水平断面逆T字をなし、その中間付近の傾斜部45
で各々横突部44,44が接続される。移動回転盤3
5,36はウェッジ41の中央部46に当接し、固定回
転盤25,26はウェッジ41の横突部44,44に当
接し、ウェッジ41の上下動に追従して移動回転盤3
5,36及び固定回転盤25,26は回転する。
Reference numeral 31 designates the upper surface of the lower die 52 as a workpiece W2.
The slider 31 includes an engraving member 32, a first pressing member 33, and a second pressing member 34 from the workpiece W2 side. The inner side surface of the engraving member 32 has the same shape as the outer peripheral shape of the stepped product W3. Further, the second pressing member 34 is provided with movable rotary plates 35, 36 having a smaller interval than the fixed rotary plates 25, 26 of the lower die 52, in parallel with each other with the fixed rotary plates 25, 26 interposed therebetween. The movable rotary plates 35, 36 and the fixed rotary plates 25, 2
6, one end 43 of the wedge 41 is fitted and inserted.
The other end 42 is supported by the upper die 51. Wedge 41
Has a T-shape having a central section 46 and lateral projections 44, 44 projecting on both sides in a horizontal cross section at one end 43, and the other end 4
2 has an inverted T-shape in horizontal section, and an inclined portion 45 near its middle.
, The lateral protrusions 44 are connected to each other. Moving turntable 3
The fixed rotating plates 25 and 26 abut the lateral projections 44 and 44 of the wedge 41, and follow the vertical movement of the wedge 41 to move the movable rotating plate 3.
5 and 36 and the fixed rotary plates 25 and 26 rotate.

【0016】上記構成の鍛造装置で段付製品W3を成形
する場合、まず図2左半部に示す如く、上金型11を固
設した上ダイ51及びウェッジ41を上死点で待機させ
た状態で、下金型21の上部に被加工品W2を固定す
る。次に、ウェッジ41を下方へ移動させる。このとき
ウェッジ41の横突部44,44を支持する移動回転盤
35,36は、ウェッジ41の傾斜部45に沿ってスラ
イダ31を内側へ前進させ、被加工品W2を保持させ
る。続いて上ダイ51を下降させ、図2右半部に示す如
く、下金型21が大径凹溝92、型彫部材32が溝9
3、上金型11が小径凹溝91を成形する。その後、上
ダイ51が上昇するとともにウェッジ41が上昇してス
ライダ31を外側へ後退させ、最後に下ノックアウト2
2を上方に押し出し段付製品W3を下金型21から取り
外して段付製品W3の製造が完了する。
When the stepped product W3 is formed by the forging apparatus having the above configuration, first, as shown in the left half of FIG. 2, the upper die 51 and the wedge 41, on which the upper mold 11 is fixed, are made to stand by at the top dead center. In this state, the workpiece W2 is fixed on the upper part of the lower mold 21. Next, the wedge 41 is moved downward. At this time, the movable rotary plates 35, 36 supporting the lateral protrusions 44, 44 of the wedge 41 advance the slider 31 inward along the inclined portion 45 of the wedge 41, and hold the workpiece W2. Subsequently, the upper die 51 is lowered, and as shown in the right half of FIG.
3. The upper die 11 forms the small-diameter concave groove 91. Thereafter, the upper die 51 rises, and the wedge 41 rises to retreat the slider 31 outward, and finally, the lower knockout 2
2 is extruded upward and the stepped product W3 is removed from the lower mold 21 to complete the production of the stepped product W3.

【0017】従って、本考案の鍛造装置によれば、上金
型11と下金型21による上下方向の運動及びスライダ
31による水平方向の運動の組合せにより、軸線方向中
間部外周に周状の溝93を有する段付製品W3を鍛造成
形のみで製造することができる。
Therefore, according to the forging device of the present invention, the combination of the vertical movement by the upper mold 11 and the lower mold 21 and the horizontal movement by the slider 31 causes the circumferential groove on the outer periphery of the axially intermediate portion. The stepped product W3 having 93 can be manufactured only by forging.

【0018】尚、上記本考案の実施例では、スライダ3
1は内側へ前進し型彫部材32により被加工品W2を保
持したが、このとき同時に被加工品W2の鍛造成形を行
なっても良い。
In the embodiment of the present invention, the slider 3
1 moves inward and holds the workpiece W2 by the engraving member 32, but at this time, the forging of the workpiece W2 may be performed.

【0019】[0019]

【考案の効果】以上のように本考案によれば、上ダイに
固設され上ダイと一体的に上下動する上金型と、上金型
に対向し下ダイに固設されるとともに被加工品を固定す
る下金型と、被加工品の側面両側に配設され被加工品に
対して進退可能なスライダと、上ダイ及び下ダイに支持
されスライダと係合して単独でスライダを進退させるウ
ェッジを備えたため、上金型と下金型による上下方向の
運動及びスライダによる水平方向の運動の組合せによ
り、軸線方向中間部外周に溝を有する段付製品を鍛造成
形のみで製造することができるので、段付製品の生産性
を高めることができるとともに、歩留りにおいても大幅
に向上され製品のコストダウンを計ることができる。
As described above, according to the present invention, the upper die fixed to the upper die and moving up and down integrally with the upper die is fixed to the lower die opposite to the upper die and covered. A lower mold for fixing the workpiece, a slider disposed on both sides of the workpiece and capable of moving back and forth with respect to the workpiece, and a slider supported by the upper die and the lower die and engaged with the slider to independently move the slider. Providing a stepped product with a groove on the outer periphery of the axial middle part by forging only by combining the vertical movement by the upper mold and the lower mold and the horizontal movement by the slider due to the provision of the wedge for moving forward and backward. Therefore, the productivity of stepped products can be increased, and the yield can be greatly improved, and the cost of the products can be reduced.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本考案の実施例における鍛造装置を使用して段
付製品を成形する工程を表す断面正面図である。
FIG. 1 is a cross-sectional front view showing a step of forming a stepped product using a forging device according to an embodiment of the present invention.

【図2】本考案の実施例における鍛造装置を表す部分断
面正面図である。
FIG. 2 is a partial cross-sectional front view illustrating a forging device according to an embodiment of the present invention.

【図3】図2のA−A断面平面図である。FIG. 3 is a sectional plan view taken along the line AA of FIG. 2;

【図4】従来の鍛造装置を使用して段付製品を成形する
工程を表す断面正面図である。
FIG. 4 is a cross-sectional front view illustrating a step of forming a stepped product using a conventional forging device.

【符号の説明】[Explanation of symbols]

11 上金型 21 下金型 31 スライダ 41 ウェッジ 51 上ダイ 52 下ダイ W2 被加工品 11 Upper Die 21 Lower Die 31 Slider 41 Wedge 51 Upper Die 52 Lower Die W2 Workpiece

Claims (1)

(57)【実用新案登録請求の範囲】(57) [Scope of request for utility model registration] 【請求項1】 上ダイ(51)に固設され該上ダイ(5
1)と一体的に上下動する上金型(11)と、該上金型
(11)に対向し下ダイ(52)に固設されるとともに
被加工品(W2)を固定する下金型(21)と、前記被
加工品(W2)の側面両側に配設され被加工品(W2)
に対して進退可能なスライダ(31)と、前記上ダイ
(51)及び下ダイ(52)に支持され前記スライダ
(31)と係合して単独で該スライダ(31)を進退さ
せるウェッジ(41)を備えたことを特徴とする鍛造金
型。
1. An upper die (5) fixed to an upper die (51).
An upper mold (11) that moves up and down integrally with 1), and a lower mold that is fixed to the lower die (52) opposite to the upper mold (11) and fixes the workpiece (W2). (21) and a workpiece (W2) disposed on both sides of the workpiece (W2).
And a wedge (41) supported by the upper die (51) and the lower die (52) and engaged with the slider (31) to move the slider (31) independently. A forging die, comprising:
JP1699893U 1993-03-12 1993-03-12 Forging die Expired - Fee Related JP2536799Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1699893U JP2536799Y2 (en) 1993-03-12 1993-03-12 Forging die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1699893U JP2536799Y2 (en) 1993-03-12 1993-03-12 Forging die

Publications (2)

Publication Number Publication Date
JPH073839U JPH073839U (en) 1995-01-20
JP2536799Y2 true JP2536799Y2 (en) 1997-05-28

Family

ID=11931687

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1699893U Expired - Fee Related JP2536799Y2 (en) 1993-03-12 1993-03-12 Forging die

Country Status (1)

Country Link
JP (1) JP2536799Y2 (en)

Also Published As

Publication number Publication date
JPH073839U (en) 1995-01-20

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