JPH0118607Y2 - - Google Patents
Info
- Publication number
- JPH0118607Y2 JPH0118607Y2 JP1984118137U JP11813784U JPH0118607Y2 JP H0118607 Y2 JPH0118607 Y2 JP H0118607Y2 JP 1984118137 U JP1984118137 U JP 1984118137U JP 11813784 U JP11813784 U JP 11813784U JP H0118607 Y2 JPH0118607 Y2 JP H0118607Y2
- Authority
- JP
- Japan
- Prior art keywords
- cooling water
- temperature
- pipe
- tank
- way valve
- 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
- 239000000498 cooling water Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 description 11
- 238000010791 quenching Methods 0.000 description 9
- 230000000171 quenching effect Effects 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005338 heat storage Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005482 strain hardening Methods 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
- General Induction Heating (AREA)
Description
【考案の詳細な説明】 （技術分野） 本考案は高周波焼入機の冷却装置に関する。[Detailed explanation of the idea] (Technical field) The present invention relates to a cooling device for an induction hardening machine.
（従来技術）
高周波焼入設備の冷却にはこれまで第２図に示
したような装置、つまり水冷式の冷凍機ｂにおい
て一次冷却水ｃを作り、熱交換機ｄを介して二次
冷却水ｅの温度を制御しつつ高周波発振器ｆ、焼
入機ｇ、焼入剤ｈ等を冷却するようにした間接冷
却装置が使用されてきた。(Prior art) In order to cool induction hardening equipment, primary cooling water c is produced in a device as shown in Fig. 2, that is, a water-cooled refrigerator b, and secondary cooling water e is produced via a heat exchanger d. An indirect cooling device has been used that cools a high frequency oscillator f, a hardening machine g, a hardening agent h, etc. while controlling the temperature of the high-frequency oscillator f, hardening machine g, hardening agent h, etc.
ところが、このような装置では冷却搭ａや制御
装置等多くの付帯設備が必要となつて、装置が大
型化しかつ多大な設備費がかかるばかりでなく、
熱交換器による冷却水の温度調節が必ずしも正確
に行ない得ないこともあつて高周波送電用の銅管
ケーブルに結露を生じ、これがために絶縁不良を
きたすといつた危険性をも含んでいる。 However, such equipment requires a lot of auxiliary equipment such as a cooling tower and a control device, which not only increases the size of the equipment and requires a large amount of equipment cost.
Temperature control of the cooling water by the heat exchanger may not always be accurate, and there is a risk that dew condensation may occur on the copper tube cable for high-frequency power transmission, resulting in poor insulation.
（目的）
本考案はこのような問題に鑑みてなされたもの
であつて、その目的とするところは、簡単な設備
と確実な冷却水の温度制御が可能な直接冷却装置
を提供することにある。(Purpose) The present invention was developed in view of these problems, and its purpose is to provide a direct cooling device that is capable of simple equipment and reliable cooling water temperature control. .
（構成）
すなわち本考案の特徴とするところは、高温槽
から空冷式冷凍機を経て低温槽に至る一次側冷却
水管路と、低水槽から高周波焼入装置を経て高温
槽に至る二次側冷却水管路を設けて、高周波焼入
機の冷却装置を直接冷却式として構成するととも
に、二次側冷却水管路の送り側に三方弁を配設し
てこれに二次側冷却水管路の戻り側から分岐した
管路を接続し、さらに、この三方弁を二次側冷却
水管路の送り側に配設した温度検出部材によつて
開閉制御するようにした点にある。(Configuration) In other words, the features of the present invention are the primary side cooling water pipeline that runs from the high temperature tank to the low temperature tank via the air-cooled refrigerator, and the secondary side cooling water pipe that runs from the low water tank to the high temperature tank via the induction hardening device. A water pipe is provided to configure the cooling device of the induction hardening machine as a direct cooling type, and a three-way valve is provided on the feed side of the secondary cooling water pipe to connect it to the return side of the secondary cooling water pipe. The three-way valve is connected to a conduit branched from the conduit, and the opening and closing of this three-way valve is controlled by a temperature detection member disposed on the sending side of the secondary cooling water conduit.
そこで、以下に本考案の詳細を図示した実施例
に基づいて説明する。 Therefore, the details of the present invention will be explained below based on illustrated embodiments.
第１図は本考案の一実施例を示す装置の構成図
であつて、図中符号１は、支切板２によつて低温
槽３と高温槽４に２分した蓄熱層で、一次側冷却
水管路は、この高温槽４から出た送り管７を一次
側冷却水供給用ポンプ６を介して空冷式冷凍機５
に接続するとともに、ここからの戻り管８を低温
槽３に戻すように構成されている。 FIG. 1 is a block diagram of an apparatus showing an embodiment of the present invention, and the reference numeral 1 in the figure is a heat storage layer divided into a low temperature chamber 3 and a high temperature chamber 4 by a dividing plate 2, and the primary side The cooling water pipeline connects the feed pipe 7 coming out of the high temperature tank 4 to the air-cooled refrigerator 5 via the primary cooling water supply pump 6.
It is configured so that the return pipe 8 from here is connected to the cryostat 3 and returned to the cryostat 3.
他方、低温槽３から出た二次側送り管９は、後
述する三方弁１０と二次側冷却水送給用ポンプ１
１を介して高周波焼入機に接続し、ここで３本の
分岐管９ａ，９ｂ，９ｃに分岐させてそれぞれ焼
入機１２、高周波発振機１３及び焼入剤槽１４に
冷却水を給送するとともに、焼入機１２、高周波
発振１３及び焼入剤槽１４から出た各戻り枝管１
５ａ，１５ｂ，１５ｃを一本の戻り管１５として
まとめた上、これを高温槽４に戻すように構成さ
れている。 On the other hand, the secondary side feed pipe 9 coming out of the low temperature chamber 3 is connected to a three-way valve 10 and a secondary side cooling water supply pump 1, which will be described later.
1 to the induction hardening machine, and here the cooling water is branched into three branch pipes 9a, 9b, and 9c to supply cooling water to the hardening machine 12, high frequency oscillator 13, and hardening agent tank 14, respectively. At the same time, each return branch pipe 1 coming out of the quenching machine 12, high frequency oscillation 13 and quenching agent tank 14
5a, 15b, and 15c are combined into a single return pipe 15, which is then returned to the high temperature bath 4.
ところで、この二次側戻り管１５には途中で分
岐するバイパス管１６が設けられ、このバイパス
管１６は二次側送り管９の上記した三方弁１０の
一方に接続し、三方弁１０は二次側送り管９に設
けた温度制御用サーモスタツトT4により開閉制
御されるように構成されている。 By the way, this secondary side return pipe 15 is provided with a bypass pipe 16 that branches in the middle, and this bypass pipe 16 is connected to one of the above-mentioned three-way valves 10 of the secondary side feed pipe 9, and the three-way valve 10 is connected to two It is configured to be opened and closed by a temperature control thermostat T4 provided on the next side feed pipe 9.
なお、図中符号T1は高温槽４に取付られた空
冷式冷凍機発停用のサーモスタツト、T2，T3は
それぞれ高温槽４、低温槽３に取付けられ一次側
冷却水送給用ポンプを発停する高温警報用のサー
モスタツトを示しており、また、図中破線で示し
た管路１７は、焼入剤リザーブタンク１８から焼
入剤槽１４、焼入機１２を経て焼入剤リザーブタ
ンク１８へと焼入剤を循環させる管路を示してい
る。 In the figure, T 1 is a thermostat installed in the high temperature tank 4 for starting and stopping the air-cooled refrigerator, and T 2 and T 3 are installed in the high temperature tank 4 and low temperature tank 3, respectively, for supplying cooling water on the primary side. A thermostat for high-temperature alarm that starts and stops the pump is shown. Also, a pipe line 17 indicated by a broken line in the figure runs from a quenching agent reserve tank 18 to a quenching agent tank 14 and a quenching machine 12. A conduit for circulating the quenching agent to the agent reserve tank 18 is shown.
つぎに上述した装置による冷却動作について説
明する。 Next, the cooling operation by the above-mentioned device will be explained.
いま外気温が20℃以上ある場合、低温槽３内の
水温が22℃以上、高温槽４内の水温が30℃を示す
と、各サーモスタツトT1，T2，T3からの出力信
号により空冷式冷凍機５と一次側冷却水給送用ポ
ンプ６が作動を始め、高温槽４の温水を送り管７
を介して空冷式冷凍機５へ給送し、ここで13〜15
℃に冷却した後、戻り管８を介して低温槽３に戻
してここでの水温を18〜20℃に維持する。 If the outside temperature is currently 20℃ or higher, and the water temperature in the low temperature chamber 3 is 22℃ or higher and the water temperature in the high temperature chamber 4 is 30℃, the output signal from each thermostat T 1 , T 2 , T 3 will cause The air-cooled refrigerator 5 and the primary cooling water supply pump 6 start operating, and the hot water from the high temperature tank 4 is sent to the pipe 7.
13 to 15 to the air-cooled refrigerator 5.
After being cooled to 0.degree. C., the water is returned to the cryostat 3 via the return pipe 8, and the water temperature here is maintained at 18 to 20.degree.
この状態で二次側冷却水給送用ポンプ１１は、
低温槽３から送り管９を介して焼入機１２、発振
機１３、焼入剤槽１４へ冷水を給送し、ワークの
焼入れ処理において発熱した送電用銅管ケーブ
ル、焼入機１２のコイル及び焼入剤を冷却し、つ
いでこれらの冷却によつて20〜25℃に昇温した温
水を戻り管１５ａ，１５ｂ，１５ｃを介して高温
槽４へ戻す。 In this state, the secondary side cooling water supply pump 11
Cold water is fed from the low-temperature chamber 3 to the hardening machine 12, oscillator 13, and hardening agent tank 14 via the feed pipe 9, and the copper tube cable for power transmission and the coil of the hardening machine 12 that generate heat during the work hardening process are fed. and the quenching agent are cooled, and then the hot water whose temperature has been raised to 20 to 25°C by these cooling is returned to the high temperature bath 4 via return pipes 15a, 15b, and 15c.
ところで、この高周波焼入機の冷却中、二次側
送り管９に配設した温度制御用サーモスタツト
T4は常時低温槽３から送られてくる冷却水の温
度を検出し、この水温が予じめ設定された温度、
例えば送電用銅管ケーブルを結露させることのな
い24±１℃の温度以下になると、その検出信号を
もつて二次側送り管９に設けた三方弁１０を操作
し、戻り管１５からバイパス管１６を経てここに
流入する温水の量をさらに増加させることによつ
て水温を設定温度まで上昇させ、また、水温が上
記した設定温度以上になつた場合には、三方弁１
０を絞ることによりバイパス管から流入する温水
の量を減少させることによつて水温を低下させ
る。 By the way, during cooling of this induction hardening machine, the temperature control thermostat installed in the secondary feed pipe 9
T 4 constantly detects the temperature of the cooling water sent from the cryostat 3, and this water temperature is the preset temperature.
For example, when the temperature drops below 24±1°C, which does not cause dew condensation on the power transmission copper pipe cable, the detection signal is used to operate the three-way valve 10 installed in the secondary feed pipe 9, and the return pipe 15 is connected to the bypass pipe. The water temperature is raised to the set temperature by further increasing the amount of hot water that flows in here through 16, and when the water temperature exceeds the above set temperature, the three-way valve 1
By throttling 0, the amount of hot water flowing in from the bypass pipe is reduced, thereby lowering the water temperature.
（効果）
以上延べたように本考案によれば、空冷式冷凍
機を採用し、かつ高温槽、低温槽からなる単一の
蓄熱槽によつて直接一次側冷却と二次側冷却を行
わすよう構成したので、冷却搭や熱交換機等の大
型設備が不要となつて装置の接置スペースと設備
費を大切に削減することができる。(Effects) As described above, according to the present invention, an air-cooled refrigerator is used, and a single heat storage tank consisting of a high temperature tank and a low temperature tank directly performs primary cooling and secondary cooling. With this configuration, large equipment such as a cooling tower or a heat exchanger is not required, and the installation space and equipment cost for the equipment can be significantly reduced.
しかも、二次側冷却水の送り管路中に戻り管路
から分岐した管路と接続する三方弁を設け、これ
を送り管路中の水温に応じて開閉制御するように
したので、簡単な装置により冷却水温度を正確か
つ確実に制御できるばかりでなく、その応答速度
をも高めることができて、送電用銅管ケーブルへ
の結露といつた問題をも未然に防止し、装置の安
定性を著しく向上させることができる。 Moreover, a three-way valve connected to a pipe branched from the return pipe is installed in the secondary cooling water feed pipe, and the opening and closing of this valve is controlled according to the water temperature in the feed pipe, making it easy to operate. The device not only allows accurate and reliable control of the cooling water temperature, but also increases response speed, prevents problems such as condensation on the power transmission copper cables, and improves the stability of the device. can be significantly improved.
第１図は本考案の一実施例を示す装置の管路構
成図、第２図は従来装置の一例を示す管路構成図
である。
１……蓄熱槽、３……低温槽、４……高温槽、
５……空冷式冷凍機、７，８……一次側冷却水管
路、９……二次側送り管、１０……三方弁、１２
……焼入機、１３……高周波発生機、１４……焼
入剤槽、１５……二次側戻り管、１６……バイパ
ス管、T4……温度制御用サーモスタツト。
FIG. 1 is a diagram illustrating a conduit line configuration of an apparatus showing an embodiment of the present invention, and FIG. 2 is a conduit line configuration diagram showing an example of a conventional apparatus. 1... Heat storage tank, 3... Low temperature tank, 4... High temperature tank,
5... Air-cooled refrigerator, 7, 8... Primary side cooling water pipe, 9... Secondary side feed pipe, 10... Three-way valve, 12
... Quenching machine, 13 ... High frequency generator, 14 ... Quenching agent tank, 15 ... Secondary return pipe, 16 ... Bypass pipe, T 4 ... Temperature control thermostat.
Claims (1)
次側冷却水管路と、低水槽から高周波焼入装置を
経て高温槽に至る二次側冷却水管路と、該二次側
冷却水管路の送り側に配設されかつ該二次側冷却
水管路の戻り側から分岐した管路と接続する三方
弁と、該二次側冷却水管路の送り側に配設され、
該管路内の水温を設定温度に維持すべく上記三方
弁を開閉制御する温度検出部材とよりなる高周波
焼入機の冷却装置。 A primary cooling water pipe from the high temperature tank to the low temperature tank via the air-cooled refrigerator, a secondary cooling water pipe from the low water tank to the high temperature tank via the induction hardening device, and the feed of the secondary cooling water pipe. a three-way valve arranged on the side and connected to a pipe branched from the return side of the secondary cooling water pipe; and a three-way valve arranged on the sending side of the secondary cooling water pipe,
A cooling device for an induction hardening machine comprising a temperature detection member that controls opening and closing of the three-way valve to maintain the water temperature in the pipe line at a set temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984118137U JPS6133863U (en) | 1984-07-30 | 1984-07-30 | Cooling device for induction hardening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984118137U JPS6133863U (en) | 1984-07-30 | 1984-07-30 | Cooling device for induction hardening machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6133863U JPS6133863U (en) | 1986-03-01 |
| JPH0118607Y2 true JPH0118607Y2 (en) | 1989-05-31 |
Family
ID=30677029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984118137U Granted JPS6133863U (en) | 1984-07-30 | 1984-07-30 | Cooling device for induction hardening machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6133863U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6309236B2 (en) * | 2013-10-01 | 2018-04-11 | 富士電子工業株式会社 | Induction hardening equipment |
-
1984
- 1984-07-30 JP JP1984118137U patent/JPS6133863U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6133863U (en) | 1986-03-01 |
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