JPH0457416B2 - - Google Patents
Info
- Publication number
- JPH0457416B2 JPH0457416B2 JP59269515A JP26951584A JPH0457416B2 JP H0457416 B2 JPH0457416 B2 JP H0457416B2 JP 59269515 A JP59269515 A JP 59269515A JP 26951584 A JP26951584 A JP 26951584A JP H0457416 B2 JPH0457416 B2 JP H0457416B2
- Authority
- JP
- Japan
- Prior art keywords
- die
- forging
- temperature
- heating element
- mold
- 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
- 238000005242 forging Methods 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K29/00—Arrangements for heating or cooling during processing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Description
【発明の詳細な説明】
(イ) 発明の目的
［産業上の利用分野］
この発明は型鍛造装置、特に、鍛造の際に、型
を加熱する高温型鍛造あるいは恒温型鍛造装置に
関するものである。[Detailed Description of the Invention] (a) Purpose of the Invention [Field of Industrial Application] This invention relates to a die forging device, particularly a high temperature die forging or constant temperature die forging device that heats a die during forging. .
鍛造される被加工材と共に、型自体を被加工材
と等しい温度まで加熱する恒温型鍛造、あるい
は、それよりもやや低い温度まで型を加熱する高
温型鍛造の鍛造分野は宇宙航空機器部品等の成形
を目的として、ニツケル基合金あるいはチタニウ
ム基合金の成形等に使用されつつある。 Constant-temperature die forging, which heats the die itself along with the workpiece to be forged to the same temperature as the workpiece, or high-temperature die forging, which heats the die to a slightly lower temperature, is used for aerospace equipment parts, etc. For the purpose of forming, it is being used for forming nickel-based alloys or titanium-based alloys.
［従来の技術］
従来の高温型鍛造若しくは恒温型鍛造装置１０
１は第４図に示すように、上型１０２と下型１０
３とを備え、上型１０２は駆動装置１０４を介し
てプレス枠１０５に固定されており、プレス枠１
０５はガイドポスト１０６に案内されて上下に駆
動され、このプレス枠１０５の上下動によつて上
型１０２が上下動する。駆動装置１０４はそれぞ
れプレス枠１０５に一体的に固定された圧力板１
０７、断熱板１０８、水冷板１０９とからなつて
いる。[Prior art] Conventional high temperature die forging or constant temperature die forging apparatus 10
1, as shown in FIG. 4, an upper mold 102 and a lower mold 10.
3, the upper mold 102 is fixed to a press frame 105 via a drive device 104, and the press frame 1
05 is guided by a guide post 106 and driven up and down, and as the press frame 105 moves up and down, the upper die 102 moves up and down. The drive devices 104 each have a pressure plate 1 integrally fixed to a press frame 105.
07, a heat insulating plate 108, and a water cooling plate 109.
一方、下型１０３は固定装置１１１を介して固
定装置にあるプレス枠１１２に固定支持されてい
る。固定装置１１１は圧力板１１３、断熱板１１
４及び水冷板１１５とからなつている。上型１０
２及び下型１０３はヒータ１１６，１１７によつ
て加熱される。 On the other hand, the lower die 103 is fixedly supported via a fixing device 111 to a press frame 112 in the fixing device. The fixing device 111 includes a pressure plate 113 and a heat insulating plate 11
4 and a water cooling plate 115. Upper mold 10
2 and the lower mold 103 are heated by heaters 116 and 117.
［発明が解決しようとする問題点］
このような構成の従来の高温若しくは恒温型鍛
造の鍛造装置においては、鍛造に際して、上型１
０２及び下型１０３はそれぞれヒータ１１６，１
１７によつて加熱されるのであるが、上型１０
２、下型１０３は圧力板１０７，１１３に固定さ
れているために、上下の型１０２，１０３に加え
られる熱は圧力板１０７，１１３を通して水冷板
１０９，１１５に流れてしまい、セラミツク等の
断熱板１０８，１１４を圧力板１０７，１１３と
水冷板１０９，１１５との間にはさんだとして
も、Ａ，Ｂ，Ｃ点等で観察すると明らかなよう
に、上下の型１０２，１０３には望ましくない温
度差が付き易くなるとともに、それぞれの型内に
おいても望ましくない温度分布が生じ易く、ひい
ては望まれる加工条件が得られないという問題が
あり、この点の対策技術の開発が望まれている。[Problems to be Solved by the Invention] In the conventional forging apparatus for high temperature or constant temperature die forging having such a configuration, during forging, the upper die 1
02 and the lower mold 103 are equipped with heaters 116 and 1, respectively.
The upper mold 10
2. Since the lower mold 103 is fixed to the pressure plates 107, 113, the heat applied to the upper and lower molds 102, 103 flows through the pressure plates 107, 113 to the water-cooled plates 109, 115, and the heat insulating material such as ceramic Even if the plates 108, 114 are sandwiched between the pressure plates 107, 113 and the water-cooled plates 109, 115, this is not desirable for the upper and lower molds 102, 103, as is clear from observation at points A, B, C, etc. There is a problem in that temperature differences are likely to occur, and undesirable temperature distribution is also likely to occur within each mold, and as a result, desired processing conditions cannot be obtained, and there is a need for the development of countermeasure technology for this problem.
また、被加工材の特性あるいは変形の困難性に
よつては、被加工材に所要の温度分布を与えるこ
とが望ましいが、従来の型鍛造装置では、そのよ
うな温度分布を被加工材に与えることは困難であ
つた。 Also, depending on the characteristics of the workpiece or the difficulty of deformation, it is desirable to give the workpiece a desired temperature distribution, but with conventional die forging equipment, it is difficult to give the workpiece such a temperature distribution. That was difficult.
この発明は上記の如き事情に鑑みてなされたも
のであつて、高温型鍛造あるいは恒温型鍛造にお
ける型内の温度分布を均一にすることができ、ま
た、被加工材の特性あるいは変形の困難性に応じ
て、鍛造型各部に温度分布を与えることができ、
その結果として、被加工材に所望の温度分布を与
えることができる鍛造用型装置を提供することを
目的とするものである。 This invention was made in view of the above circumstances, and it is possible to make the temperature distribution in the mold uniform in high-temperature die forging or constant temperature die forging, and also to improve the characteristics of the workpiece or the difficulty of deformation. Temperature distribution can be given to each part of the forging mold according to the
As a result, it is an object of the present invention to provide a forging die device that can provide a desired temperature distribution to a workpiece.
(ロ) 発明の構成
［問題を解決するための手段］
この目的に対応して、この発明の鍛造用型装置
は、耐熱性と熱絶縁性を有する材料からなりそれ
ぞれ独立して出力を制御可能な複数の発熱体を保
持するヒータ支持体を、鍛造用型の型面とは反対
側の背面に重ね合わせかつ前記型面近傍に温度セ
ンサを取付け、前記温度センサからの記号に基づ
いて前記発熱体の前記出力を制御することを特徴
としている。(b) Structure of the invention [Means for solving the problem] In response to this purpose, the forging die device of the present invention is made of a material having heat resistance and heat insulation, and is capable of independently controlling output. A heater support holding a plurality of heating elements is stacked on the back side of the forging die opposite to the die surface, and a temperature sensor is attached near the die surface, and the heat generation is controlled based on the symbol from the temperature sensor. It is characterized by controlling the output of the body.
以下、この発明の詳細を一実施例を示す図面に
ついて説明する。 Hereinafter, details of the present invention will be explained with reference to the drawings showing one embodiment.
第１図及び第２図においては、１は鍛造型のう
ち下型である。鍛造型の上型についても同様の構
成をとることができるので、第１図及び第２図に
は下型１だけが示されている。 In FIGS. 1 and 2, 1 is the lower die of the forging die. Since the upper die of the forging die can also have a similar configuration, only the lower die 1 is shown in FIGS. 1 and 2.
下型１は型板２、発熱体ブロツク３及び取付け
ブロツク４とからなつており、この３者が押え金
具５によつて１体に固着されている。 The lower mold 1 consists of a mold plate 2, a heating element block 3, and a mounting block 4, which are fixed together by a presser metal fitting 5.
型２は型表面を構成するものであり、従つて、
型板２の表面は被加工材１０と接触する面であつ
て、その部分には被加工材１０に鍛造によつて所
定の形状を付与する凹状の型面６が形成されてい
る。 Mold 2 constitutes the mold surface and therefore:
The surface of the template 2 is the surface that comes into contact with the workpiece 10, and a concave mold surface 6 is formed thereon to impart a predetermined shape to the workpiece 10 by forging.
型板２の裏面に発熱体ブロツク３が当接してい
る。発熱体ブロツク３は発熱体７とヒータ支持台
８とからなつている。ヒータ支持台８は耐熱性及
び熱絶縁性を有するセラミツクあるいは超耐熱合
金の如き材料で構成され、その型板２に向う表面
には複数の溝１１が形成されており、この溝１１
内に発熱体７が埋め込まれている。発熱体７は分
割された発熱体７ａ，７ｂ及び７ｃからなり、こ
の分割された発熱体７ａ，７ｂ及び７ｃは第３図
に示すように、それぞれ独立して電源１４ａ，１
４ｂ，１４ｃに接続され、型板２の温度分布を検
出するために型板２の所要箇所に取付けられてい
る熱電対１５ａ，１５ｂ，１５ｃの如き温度セン
サからの出力信号に基づいて調節糸１６ａ，１６
ｂ，１６ｃでそれぞれ独立して出力を制御し得る
ように構成されている。この発熱体７は構造上の
制約が許す範囲内で、細かく分割することが望ま
しいが、この実施例では７ａ，７ｂ，７ｃに３分
割されている。 A heating element block 3 is in contact with the back surface of the template 2. The heating element block 3 consists of a heating element 7 and a heater support stand 8. The heater support base 8 is made of a heat-resistant and heat-insulating material such as ceramic or super heat-resistant alloy, and has a plurality of grooves 11 formed on its surface facing the template 2.
A heating element 7 is embedded inside. The heating element 7 consists of divided heating elements 7a, 7b, and 7c, and these divided heating elements 7a, 7b, and 7c are independently connected to power sources 14a, 1, respectively, as shown in FIG.
The adjusting thread 16a is connected to the thermocouples 15a, 15b, 15c connected to the thermocouples 15a, 15b, and 14c at required locations on the template 2 to detect the temperature distribution of the template 2. ,16
b and 16c are configured so that their outputs can be controlled independently. It is desirable that the heating element 7 is divided into smaller parts within the range allowed by structural constraints, but in this embodiment, it is divided into three parts 7a, 7b, and 7c.
発熱体ブロツク３は取付けブロツク４に支持さ
れている。取付けブロツク４は押え金具５によつ
て型板２と連結しており、型板２と取付けブロツ
ク４が協働して発熱体ブロツク３を挟持してい
る。 The heating element block 3 is supported on a mounting block 4. The mounting block 4 is connected to the mold plate 2 by a presser metal fitting 5, and the mold plate 2 and the mounting block 4 cooperate to hold the heating element block 3.
なお、第１図中、１２は主発熱体であり、この
主発熱体１２は下型１を加熱するためのもので、
これは、従来の高温型鍛造装置においても採用さ
れているものである。 In addition, in FIG. 1, 12 is a main heating element, and this main heating element 12 is for heating the lower mold 1.
This is also adopted in conventional high-temperature die forging equipment.
［作用］
このように構成された鍛造型（実施例では下型
１）において、高温型鍛造若しくは恒温型鍛造を
する場合には、主発熱体１２によつて下型１を加
熱する。しかるに、主発熱体１２による加熱で
は、下型１から鍛造装置の駆動機構や冷却装置
（図示せず）に熱が流れたりすることにより、型
板２に温度分布が生じ、その温度分布を均一にし
ようとする場合、或いは生じた温度分布とは異な
る温度分布を形成しようとする場合には、発熱体
７ａ，７ｂまたは７ｃを選択的に発熱させると共
に、それぞれの発熱量を電力量等を制御して調整
する。このようにすることによつて、型板２には
所望の温度分布が形成される。[Operation] In the forging die configured as described above (lower die 1 in the embodiment), when performing high-temperature die forging or isothermal die forging, the lower die 1 is heated by the main heating element 12. However, when heating by the main heating element 12, heat flows from the lower mold 1 to the drive mechanism and cooling device (not shown) of the forging device, which causes a temperature distribution in the mold plate 2, which makes the temperature distribution uniform. or when attempting to form a temperature distribution different from the temperature distribution that has occurred, the heating elements 7a, 7b, or 7c are selectively made to generate heat, and the amount of heat generated by each of them is controlled by the amount of electricity, etc. and adjust. By doing so, a desired temperature distribution is formed in the template 2.
(ハ) 発明の効果
このように、この発明の鍛造型装置において
は、型外周からの主発熱体の他に、鍛造型内部に
いくつかに分割した発熱体を内蔵し、その出力を
独立に制御することによつて、鍛造型内の温度分
布を均一にすることができる。また、被加工材の
特性あるいは変形の困難さに応じて鍛造型各部に
ある程度任意の温度分布をつけることができるの
で、被加工材の成形性の向上及び材質の改善ある
いは成形中の被加工材の温度差、加工度等に応じ
て、被加工材に所望の特性を積極的に与えること
も可能となる。(C) Effects of the Invention As described above, in the forging die device of the present invention, in addition to the main heating element from the outer periphery of the die, there are built-in heating elements divided into several parts inside the forging die, and their outputs are independently controlled. By controlling the temperature, the temperature distribution within the forging die can be made uniform. In addition, it is possible to create a certain temperature distribution in each part of the forging die depending on the characteristics of the workpiece or the difficulty of deformation, so it is possible to improve the formability of the workpiece, improve the material quality, or improve the material quality of the workpiece during forming. It is also possible to positively impart desired properties to the workpiece according to the temperature difference, degree of processing, etc.
第１図はこの発明の一実施例に係る鍛造型装置
を示す縦断面説明図、第２図は第１図における
−部断面図、第３図は発熱体の構成を示す回路
図、及び第４図は従来の高温型鍛造装置を示す縦
断面説明図である。
１……下型、２……型板、３……発熱ブロツ
ク、４……取付けブロツク、５……押え金具、６
……型面、７……発熱体、７ａ，７ｂ，７ｃ……
発熱体、８……ヒータ支持台、１０……被加工
材、１１……溝、１２……主発熱体。
FIG. 1 is an explanatory longitudinal cross-sectional view showing a forging die device according to an embodiment of the present invention, FIG. 2 is a cross-sectional view taken at the - part in FIG. FIG. 4 is an explanatory longitudinal cross-sectional view showing a conventional high-temperature die forging device. 1... Lower die, 2... Template plate, 3... Heat generating block, 4... Mounting block, 5... Holder metal fitting, 6
...Mold surface, 7...Heating element, 7a, 7b, 7c...
Heating element, 8... Heater support stand, 10... Workpiece material, 11... Groove, 12... Main heating element.
Claims (1)
ぞれ独立して出力を制御可能な複数の発熱体を保
持するヒータ支持体を、鍛造用型の型面とは反対
側の背面に重ね合わせかつ前記型面近傍に温度セ
ンサを取付け、前記温度センサからの記号に基づ
いて前記発熱体の前記出力を制御することを特徴
とする鍛造用型装置。1. A heater support holding a plurality of heating elements made of a material having heat resistance and heat insulation properties and each capable of controlling output independently is superimposed on the back surface of the forging die opposite to the die surface, and A forging die device, characterized in that a temperature sensor is attached near the die surface, and the output of the heating element is controlled based on a symbol from the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59269515A JPS61147939A (en) | 1984-12-20 | 1984-12-20 | Die for forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59269515A JPS61147939A (en) | 1984-12-20 | 1984-12-20 | Die for forging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61147939A JPS61147939A (en) | 1986-07-05 |
| JPH0457416B2 true JPH0457416B2 (en) | 1992-09-11 |
Family
ID=17473477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59269515A Granted JPS61147939A (en) | 1984-12-20 | 1984-12-20 | Die for forging |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61147939A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63171239A (en) * | 1987-01-08 | 1988-07-15 | Agency Of Ind Science & Technol | Die for constant temperature forging |
| DE19514076A1 (en) * | 1995-04-13 | 1996-10-17 | Schmalbach Lubeca | Temperature control when stretching can bodies |
| JP4526097B1 (en) * | 2009-12-24 | 2010-08-18 | 株式会社 吉村カンパニー | Method for manufacturing valve head part of hollow engine valve, press device for valve head part of hollow engine valve, and hollow engine valve |
| CN102836939B (en) * | 2011-06-24 | 2015-03-25 | 深圳富泰宏精密工业有限公司 | Forging method of aluminum or aluminum alloy |
| JP5845135B2 (en) * | 2012-05-08 | 2016-01-20 | 株式会社神戸製鋼所 | Forging die equipment |
| JP5946323B2 (en) * | 2012-05-22 | 2016-07-06 | 株式会社神戸製鋼所 | Forging die equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5631844A (en) * | 1979-08-23 | 1981-03-31 | Nissan Motor Co Ltd | Installation structure of radiator grille for vehicle |
-
1984
- 1984-12-20 JP JP59269515A patent/JPS61147939A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5631844A (en) * | 1979-08-23 | 1981-03-31 | Nissan Motor Co Ltd | Installation structure of radiator grille for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61147939A (en) | 1986-07-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |