JPH0230434Y2 - - Google Patents
Info
- Publication number
- JPH0230434Y2 JPH0230434Y2 JP1986116777U JP11677786U JPH0230434Y2 JP H0230434 Y2 JPH0230434 Y2 JP H0230434Y2 JP 1986116777 U JP1986116777 U JP 1986116777U JP 11677786 U JP11677786 U JP 11677786U JP H0230434 Y2 JPH0230434 Y2 JP H0230434Y2
- Authority
- JP
- Japan
- Prior art keywords
- heating conductor
- cooling
- hardening
- cooling fluid
- inner diameter
- 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
- 238000010438 heat treatment Methods 0.000 claims description 35
- 239000004020 conductor Substances 0.000 claims description 32
- 239000012809 cooling fluid Substances 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims 2
- 238000010791 quenching Methods 0.000 description 11
- 230000000171 quenching effect Effects 0.000 description 11
- 238000005192 partition Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Heat Treatment Of Articles (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は大形クランクシヤフト等両側の鍔部に
挟まれた軸部を移動焼入れする割型タイプのコイ
ル，または軸部の一方端に鍔部があつて何等かの
理由で鍔部方向を移動方向前方として軸部を移動
焼入れする一巻回タイプのコイル構造に関する。[Detailed description of the invention] (Field of industrial application) The present invention is a split-type coil that moves and hardens the shaft portion sandwiched between the flanges on both sides of a large crankshaft, or a flange at one end of the shaft portion. This invention relates to a one-turn type coil structure in which the shaft part is moved and hardened with the flange direction facing forward in the moving direction for some reason.
（従来の技術）
割型コイルや否やに関係なく、軸部を移動焼入
れする場合のコイルは、従来から第３図ａに示さ
れるように、相対移動方向前方側に被加熱周面と
所定間隔を隔てて対向可能な巻回内径とした加熱
導体部c′を配置し、移動方向後方側に加熱導体部
c′に追随移動する環状の冷却ジヤケツトj′を配置
するコイルC′構成とされ、先行する加熱導体部
c′が加熱した被加熱面を後行する冷却ジヤケツト
j′の冷却流体噴射孔ｓから噴射される焼入れ用冷
却流体で急冷するようにしている。(Prior Art) Regardless of whether it is a split coil or not, a coil used for moving and hardening the shaft part has conventionally been designed to have a predetermined distance from the peripheral surface to be heated on the front side in the direction of relative movement, as shown in Fig. 3a. The heating conductor part c' is arranged with a winding inner diameter that can face each other across the
The coil C′ is configured with an annular cooling jacket j′ that moves following c′, and the preceding heating conductor
cooling jacket trailing the heated surface heated by c′
The cooling fluid for quenching is injected from the cooling fluid injection hole s at j' for rapid cooling.
また移動焼入れでは、加熱導体部c′への通電時
間が長くなり、当該加熱導体部c′の自己発熱を冷
却するために、加熱導体部c′を中空として冷却流
体を流通させるように設定されている。 In addition, in moving hardening, the heating conductor part c' is energized for a long time, and in order to cool down the self-heating of the heating conductor part c', the heating conductor part c' is set to be hollow and a cooling fluid is passed through the heating conductor part c'. ing.
（従来技術に存する問題点）
ところで、両端の鍔部に挟まれた軸部を相対移
動焼入れする場合、または移動方向前方に鍔部の
ある軸部を相対移動焼入れする場合、従来移動焼
入れ用コイルC′では第３図ｂに示す如く、たとえ
加熱導体部c′と冷却ジヤケツトj′とを密着配置し
ても、軸部WSの鍔部WFに近接した移動終端で
は加熱導体部c′により加熱した被加熱面ｈの終端
部には冷却ジヤケツトj′から噴射される焼入れ用
冷却流体が届かず、そのためq′として示す範囲ま
でしか焼入れされないこととなり、機械的強度向
上のため、できるだけ鍔部WF近くまで焼入れを
望む要求に対応できないという問題点があつた。(Problems existing in the prior art) By the way, when relative movement hardening is performed on a shaft portion sandwiched between flanges at both ends, or when relative movement hardening is performed on a shaft portion with a flanged portion in the forward direction of movement, the conventional movement hardening coil In C', as shown in Fig. 3b, even if the heating conductor part c' and the cooling jacket j' are placed closely together, the heating conductor part c' will not heat the shaft part WS at the end of its movement close to the flange part WF. The cooling fluid for quenching injected from the cooling jacket j' does not reach the end of the heated surface h, which is heated, so that the quenching fluid is only quenched up to the range shown as q'. There was a problem that it was not possible to meet the demand for near-hardening.
（考案の目的）
本考案は、両端の鍔部に挟まれた軸部を相対移
動焼入れする場合、または移動方向前方に鍔部の
ある軸部を相対移動焼入れする場合の従来移動焼
入れ用コイルに存する上述の問題点を解消するた
めになされたもので、鍔部に極めて近接した位置
までを焼入れ可能とする構造の移動焼入れコイル
を提供することを目的とする。(Purpose of the invention) The present invention is a conventional movable hardening coil that is used for relative movement hardening of a shaft sandwiched between flanges at both ends, or for relative movement hardening of a shaft with a flang at the front in the direction of movement. The object of the present invention is to provide a movable hardening coil having a structure that allows hardening up to a position extremely close to the flange.
（考案の構成）
本考案の構成は、
(1) 相対移動方向前方側に配置され、被加熱周面
と所定間隙を隔てて対向可能な巻回内径とした
中空の加熱導体部と、
(2) 当該加熱導体部の移動方向後方側に密着配置
され、加熱導体部の上記巻回内径より所定寸法
だけ巻回内径を大とした中空の冷却部とからな
り、
(3) 加熱導体部と冷却部との内径差により形成さ
れる加熱導体部の移動方向後方側裸隔壁に複数
の冷却流体噴射孔を設け、
(4) 加熱導体部へは焼入れ用冷却流体を供給可
能，また冷却部へは加熱導体部冷却用の冷却流
体を流通可能に構成してなる
移動焼入れ用コイルにある。(Structure of the invention) The structure of the invention is as follows: (1) A hollow heating conductor part which is arranged on the front side in the direction of relative movement and has a winding inner diameter that can face the circumferential surface to be heated with a predetermined gap therebetween; (2) ) A hollow cooling section is disposed in close contact with the rear side of the heating conductor in the direction of movement, and has a winding inner diameter larger than the winding inner diameter of the heating conductor by a predetermined dimension; (4) A plurality of cooling fluid injection holes are provided in the bare bulkhead on the rear side in the direction of movement of the heating conductor section, which is formed by the difference in inner diameter between the heating conductor section and the heating conductor section. A moving hardening coil configured to allow a cooling fluid for cooling a heating conductor to flow therethrough.
（考案の作用）
本考案は、加熱導体部の冷却を移動方向後方側
に密着配置した冷却部に負担させるとともに、被
加熱面の焼入れ冷却を加熱導体部に負担させるこ
とにより、焼入れ範囲を移動終端方向へ延長する
作用がある。(Function of the device) This device shifts the quenching range by placing the burden of cooling the heating conductor part on the cooling part placed closely at the rear side in the direction of movement, and by placing the burden of quenching cooling of the heated surface on the heating conductor part. It has the effect of extending towards the end.
（実施例）
本考案を第１図に示す実施例に従つて以下に詳
述する。(Example) The present invention will be described in detail below according to an example shown in FIG.
図は本実施例コイルＣの部分断面正面図であ
り、１は相対移動方向前方側に配置された加熱導
体部、２は相対移動方向後方側に配置された冷却
部である。 The figure is a partially sectional front view of the coil C of this embodiment, in which 1 is a heating conductor portion disposed on the front side in the direction of relative movement, and 2 is a cooling portion placed on the rear side in the direction of relative movement.
上記加熱導体部１は中空の例えば銅材等からな
り、軸部WSの被加熱周面と所定間隙を隔てて対
向可能な巻回内径に形成され、図視されない位置
で電源とリードを介して電源と接続されているこ
と勿論である。 The heating conductor part 1 is hollow and made of a copper material, for example, and is formed with a wound inner diameter that can face the heated peripheral surface of the shaft part WS at a predetermined gap, and is connected to a power source and a lead at a position not shown. Of course, it must be connected to a power source.
上記冷却部２は中空の例えば銅材等の良熱伝導
性材からなり、加熱導体部１の移動方向後方側に
密着配置され、加熱導体部１の上記巻回内径より
所定寸法だけ巻回内径を大に形成されている。 The cooling section 2 is made of a hollow material with good thermal conductivity, such as copper material, and is arranged in close contact with the rear side of the heating conductor section 1 in the direction of movement, and has a winding inner diameter that is a predetermined dimension larger than the winding inner diameter of the heating conductor section 1. It is formed into a large size.
而して、加熱導体部１の巻回内径と冷却部２の
巻回内径とは径差があるので、加熱導体部１の移
動方向後方側には冷却部２に覆われていない裸隔
壁１１が形成されることとなる。 Since there is a diameter difference between the inner diameter of the winding of the heating conductor part 1 and the inner diameter of the winding of the cooling part 2, there is a bare bulkhead 11 not covered by the cooling part 2 on the rear side in the moving direction of the heating conductor part 1. will be formed.
加熱導体部１には、上記裸隔壁１１に複数の小
孔ｓが所定角度で孔設される一方、他方では他方
端が図示しない焼入れ用冷却流体供給源に接続す
る焼入れ用冷却流体供給管３の一方端が接続され
ているので、焼入れ用冷却流体供給管３を介して
供給される焼入れ用冷却流体（例えば水溶性高分
子剤溶液）は小孔ｓ，即ち冷却流体噴射孔から噴
出することとなる。 In the heating conductor part 1, a plurality of small holes s are formed at a predetermined angle in the bare partition wall 11, and on the other hand, a hardening cooling fluid supply pipe 3 whose other end is connected to a hardening cooling fluid supply source (not shown) is provided. Since one end of the cooling fluid for quenching is connected, the cooling fluid for quenching (for example, a water-soluble polymer agent solution) supplied through the cooling fluid supply pipe 3 for quenching is ejected from the small hole s, that is, the cooling fluid injection hole. becomes.
また、冷却部２には４として示す冷却流体流
入・流出管……ただし一方しか図示されていない
……が接続されており、例えば上水等を流通させ
ることより、密着している加熱導体部１の自己発
熱を熱伝導性の良好な壁を介して冷却可能であ
る。 In addition, cooling fluid inflow/outflow pipes indicated as 4 are connected to the cooling unit 2 (although only one of them is shown), and a heating conductor that is in close contact with the cooling fluid, for example, is connected to the cooling fluid inflow/outflow pipe shown as 4. It is possible to cool down the self-generated heat of 1 through a wall with good thermal conductivity.
上記構成からなる本実施例は、加熱導体部１の
自己発熱は冷却部２を流通する冷却流体で冷却
し、軸部WSの被加熱面ｈは加熱導体部１の裸隔
壁１１にある冷却流体噴射孔ｓから所定角度で噴
射される焼入れ用冷却流体で焼入れ冷却するの
で、少なくとも従来コイルC′におけるジヤケツト
j′厚さ分だけ、移動終端における焼入れ範囲を従
来コイルのq′からｑまで延長することとなる。 In this embodiment having the above configuration, the self-heating of the heating conductor part 1 is cooled by the cooling fluid flowing through the cooling part 2, and the heated surface h of the shaft part WS is cooled by the cooling fluid in the bare partition wall 11 of the heating conductor part 1. Since quenching cooling is performed with the quenching cooling fluid injected from the injection hole s at a predetermined angle, at least the jacket in the conventional coil C'
The hardening range at the end of the movement is extended from q' to q of the conventional coil by the thickness j'.
尚、第２図の如く、加熱導体部１の相対移動方
向側の巻回内径エツヂを１２として示す面取り部
に形成すれば、加熱範囲ｈおよび焼入れ範囲ｑを
さらにｑ１まで延長して鍔部WFに接近させ得
る。 In addition, as shown in FIG. 2, if the winding inner diameter edge on the relative movement direction side of the heating conductor part 1 is formed into a chamfered part shown as 12, the heating range h and the quenching range q can be further extended to q1, and the flange part WF can be approached.
（考案の効果）
本考案の実施により、部材は従来に比べはるか
に鍔部に近接した位置まで焼入れされるので、機
械的強度の向上が達成されるとして賞用される。(Effects of the invention) By carrying out the invention, the member is hardened to a position much closer to the flange than in the past, so it is prized for achieving improved mechanical strength.
第１図は本考案実施例コイルの部分断面正面
図、第２図は他の実施例コイルの部分断面正面
図、第３図ａは従来移動焼入れコイルの断面正面
図、第３図ｂは従来移動焼入れコイルと鍔部との
位置関係を示す部分断面正面図である。
WF……鍔部、WS……軸部、Ｃ……移動焼入
れ用コイル、１……加熱導体部、１１……裸隔
壁、２……冷却部、ｓ……冷却流体噴射孔。
Fig. 1 is a partially sectional front view of a coil according to an embodiment of the present invention, Fig. 2 is a partially sectional front view of a coil of another embodiment, Fig. 3a is a sectional front view of a conventional moving hardened coil, and Fig. 3b is a conventional FIG. 3 is a partially sectional front view showing the positional relationship between the movable hardening coil and the flange. WF...Flame part, WS...Shaft part, C...Moving hardening coil, 1...Heating conductor part, 11...Bare partition wall, 2...Cooling part, s...Cooling fluid injection hole.
Claims (1)
る場合、または移動方向前方に鍔部のある軸部を
相対移動焼入れする場合に使用されるコイルが、
相対移動方向前方側に配置され、被加熱周面と所
定間隙を隔てて対向可能な巻回内径とした中空の
加熱導体部と、当該加熱導体部の移動方向後方側
に密着配置され、加熱導体部の上記巻回内径より
所定寸法だけ巻回内径を大とした中空の冷却部と
からなり、加熱導体部と冷却部との内径差により
形成される加熱導体部の移動方向後方側裸隔壁に
複数の冷却流体噴射孔を設け、加熱導体部へは焼
入れ用冷却流体を供給可能，また冷却部へは加熱
導体部冷却用の冷却流体を流通可能に構成してな
る移動焼入れ用コイル。 The coil used for relative displacement hardening of a shaft sandwiched between flanges on both sides, or for relative displacement hardening of a shaft with a flanged portion in the forward direction of movement.
A hollow heating conductor part is arranged on the front side in the direction of relative movement and has a wound inner diameter that can face the circumferential surface to be heated with a predetermined gap therebetween; a hollow cooling part with a winding inner diameter larger than the above-mentioned winding inner diameter by a predetermined dimension; A movable hardening coil provided with a plurality of cooling fluid injection holes so that a cooling fluid for hardening can be supplied to a heating conductor part, and a cooling fluid for cooling the heating conductor part can flow to a cooling part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986116777U JPH0230434Y2 (en) | 1986-07-31 | 1986-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986116777U JPH0230434Y2 (en) | 1986-07-31 | 1986-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6324254U JPS6324254U (en) | 1988-02-17 |
| JPH0230434Y2 true JPH0230434Y2 (en) | 1990-08-16 |
Family
ID=31001684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986116777U Expired JPH0230434Y2 (en) | 1986-07-31 | 1986-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230434Y2 (en) |
-
1986
- 1986-07-31 JP JP1986116777U patent/JPH0230434Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6324254U (en) | 1988-02-17 |
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