JPS626781A - Spot welding machine - Google Patents
Spot welding machineInfo
- Publication number
- JPS626781A JPS626781A JP14542485A JP14542485A JPS626781A JP S626781 A JPS626781 A JP S626781A JP 14542485 A JP14542485 A JP 14542485A JP 14542485 A JP14542485 A JP 14542485A JP S626781 A JPS626781 A JP S626781A
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- Prior art keywords
- cooling water
- electrode
- pump
- electrode support
- discharged
- 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.)
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- Resistance Welding (AREA)
Abstract
Description
【発明の詳細な説明】
豆１」Ｊ■旧１分立
この発明はスポット溶接機、特に電極チップを水冷する
ようにしたスポット溶接機に関するものである。DETAILED DESCRIPTION OF THE INVENTION This invention relates to a spot welding machine, and particularly to a spot welding machine whose electrode tip is water-cooled.
苅］Ｌの１む杼
スポット溶接機は、例えば第２図に示す様に、先端に電
極チップ（１）（１）を備えた一対の電極支持棒（２）
（３）を相対的に揺動自在に連結してＨ型に構成し、一
方の電極支持棒（２）の後端に加圧シリンダ（４）を設
け、この加圧シリンダ（４）のピストンロンド（４ａ）
を他方の電極支持棒（３）の後端に連結し、加圧シリン
ダ（４）の伸縮動作により電極支持棒（２）（３）を揺
動させ、電極チップ（１）（１）を加圧・開放させるよ
うにしである。そして被溶接部材（５）（６）を一対の
電極チップ（１）（１）にて挟持し、加圧した状態で電
極チップ（１）（１）間に低圧の大電流を流して溶接を
行っている。For example, as shown in Fig. 2, the L 1-shuttle spot welding machine has a pair of electrode support rods (2) each having an electrode tip (1) (1) at the tip.
(3) are relatively swingably connected to form an H-shape, a pressure cylinder (4) is provided at the rear end of one electrode support rod (2), and a piston of this pressure cylinder (4) is provided. Rondo (4a)
is connected to the rear end of the other electrode support rod (3), and the electrode support rods (2) and (3) are swung by the expansion and contraction movement of the pressurizing cylinder (4), and the electrode tips (1) and (1) are applied. It is designed to release pressure. Then, the parts to be welded (5) and (6) are held between a pair of electrode tips (1) and (1), and a large current of low voltage is passed between the electrode tips (1) and (1) under pressure to perform welding. Is going.
上記の如きスボ７）溶接機は、溶接時に電極チップ（１
）（１）が溶着しないようにこれを冷却する必要がある
。電極チップ（１）（１）を冷却する方法として、電極
チップ（１）（１）及び電極支持棒（２） （３）内
に冷却水が流れる冷却水通路（７）（８）を形成し、前
記冷却水通路（７）（８）へ周辺設備の給水装置（図示
せず）からホース（９） （１０）にて給水させ、使
用済の冷却水をホース（１１） （１２）にて外部へ
排出させ、これにより冷却水通路（７）（８）内に冷却
水を循環させて電極チップ（１）（１）を冷却するよう
にしていた。The above-mentioned Subo 7) welding machine uses an electrode tip (1) during welding.
) (1) must be cooled to prevent it from welding. As a method for cooling the electrode chips (1) (1), cooling water passages (7) (8) are formed in the electrode chips (1) (1) and electrode support rods (2) (3) through which cooling water flows. , water is supplied to the cooling water passages (7) and (8) from a water supply device (not shown) of peripheral equipment through hoses (9) and (10), and used cooling water is supplied through hoses (11 and 12). The electrode chips (1) and (1) are cooled by being discharged to the outside, thereby circulating the cooling water within the cooling water passages (7) and (8).
（”しよ゛と る口 占
従来のスポット溶接機は、冷却水を一回の使用で排出さ
せているので無駄が多く、ランニングコストが高くつく
といった問題がある。また周辺設備から冷却水を採るた
めホース（９）（１０） （１１） （１２）は長
いものが必要で配管が面倒で、作業の邪魔になったり、
スポット溶接機の移動時にホース（９） （１０）
（１１） （１２）が床上に垂れて損傷し、水漏れ
を生じるといった問題もあった。("Shiyoto Ruguchi") Conventional spot welding machines discharge cooling water after one use, which results in a lot of waste and high running costs. The hoses (9), (10), (11), and (12) needed to be long to collect the water, making piping troublesome and getting in the way of work.
Hose (9) (10) when moving the spot welding machine
There was also the problem that (11) and (12) were damaged by dripping onto the floor, causing water leakage.
。 占 ° るための
この発明は電極チップを有する電極支持棒を相対的に開
閉可能に連結し、且つ加圧シリンダにて前記電極支持棒
を開閉させ、電極チップ及び電極支持棒内に冷却水を循
環させて電極チップの冷却を行うようにしたスポット溶
接機において、前記電極チップ及び電極支持棒へ冷却水
を供給する冷却水回路を閉ループ状になすと共に冷却水
回路の途中に電極支持棒の加圧開放動作に連動して駆動
されて冷却水を送り出すポンプ並びに加熱された冷却水
を冷却させる熱交換器を設けたものである。. In this invention, electrode support rods having electrode tips are connected so as to be relatively openable and closable, and the electrode support rods are opened and closed by a pressurizing cylinder, and cooling water is supplied into the electrode tips and the electrode support rods. In a spot welding machine that cools the electrode tip by circulating it, the cooling water circuit that supplies cooling water to the electrode tip and the electrode support rod is made into a closed loop, and the electrode support rod is added in the middle of the cooling water circuit. It is equipped with a pump that is driven in conjunction with the pressure release operation to send out cooling water, and a heat exchanger that cools the heated cooling water.
作且
この発明は、電極支持棒の加圧・開放動作に連動してポ
ンプを駆動させて冷却水を冷却水回路内で循環させると
共に使用済の加熱された冷却水を熱交換器にて冷却させ
て再使用するようにしたものである。In this invention, the pump is driven in conjunction with the pressurizing and releasing operations of the electrode support rod to circulate the cooling water in the cooling water circuit, and the used heated cooling water is cooled by a heat exchanger. It was designed so that it could be reused.
尖施皿
第１図は本発明の一実施例を示す図面で、同図において
、（２０） （２１）は略対称形に形成された一対の
電極支持棒で、中間部に形成した連結腕（２０ａ）（２
１ａ）を枢軸（２２）にて相対的に揺動可能に連結して
略Ｈ型に構成しである。Fig. 1 shows an embodiment of the present invention. In the figure, (20) and (21) are a pair of electrode support rods formed in a substantially symmetrical shape, and a connecting arm formed in the middle part. (20a) (2
1a) are connected to each other by a pivot (22) so as to be relatively swingable, forming a substantially H-shape.
（２３） （２４）は各電極支持棒（２０） （２
１）の先端部に取付けた電極チップである。、そして前
記電極支持棒（２０）とこれの先端に設けた電極チップ
（２３）内に冷却水が循環する冷却水通路（２５）を形
成し、他方電極支持棒（２１）とこれの先端に設けた電
極チップ（２４）の内部にも冷却水が循環する冷却水通
路（２６）を形成してあり、各冷却水通路（２５）
（２６）の出入口（２５ａ）（２５ｂ ）、（２６ａ
） （２６ｂ ）を夫々電極支持棒（２０） （２
１）に設けである。(23) (24) are each electrode support rod (20) (2
1) is an electrode tip attached to the tip. A cooling water passage (25) through which cooling water circulates is formed in the electrode support rod (20) and the electrode tip (23) provided at the tip thereof, and a cooling water passage (25) through which cooling water circulates is formed in the electrode support rod (21) and the electrode tip (23) provided at the tip thereof. A cooling water passage (26) through which cooling water circulates is also formed inside the provided electrode chip (24), and each cooling water passage (25)
(26) Entrance/exit (25a) (25b), (26a
) (26b) respectively to the electrode support rods (20) (2
This is provided in 1).
（２７）は一方の電極支持棒（２０）の後端に取付けた
加圧シリンダで、そのピストンロンド（２７ａ）の先端
を他方の電極支持棒（２１）の後端に連結してあり、伸
縮動作することにより一対の電極支持棒（２０） （
２１）を枢軸（２２）を支点として互いに接近或いは離
反するように揺動させて電極チップ（２３） （２４
）を加圧・開放させる。(27) is a pressure cylinder attached to the rear end of one electrode support rod (20), and the tip of its piston rond (27a) is connected to the rear end of the other electrode support rod (21). By operating, a pair of electrode support rods (20) (
21) about the pivot (22) as a fulcrum to swing the electrode tips (23) (24
) is pressurized and released.
（２８＞ （２９）は電極支持棒（２０） （２１
）の加圧・開放動作に連動して駆動されるポンプで、例
えば他方の電極支持棒（２１）の後端にブラケッ）−（
３０）を介して取付け、ポンプ＜２８） （２９）の
プランジャ（３１） （３２）を一方の電極支持棒（
２０）の後端へブラケット（３３）を介して取付けであ
る。このポンプ（２Ｂ） （２９）は電極支持棒（２
０） （２１）が加圧動作すると、プランジャ（３１
） （３２）が夫々ポンプ（２Ｂ） （２９）から
引出され、一方のポンプ（２８）は前室内の冷却水を吐
出口（２８ａ）から吐出させると共に後室へ流入口（２
８ｂ）から冷却水を吸引し、他方のポンプ（２９）は前
室から後室へ冷却水を流入させる。逆に電極支持棒（２
０） （２１）が開放動作すると、プランジャ（３１
） （３２）が夫々ポンプ（２Ｂ） （２９）内に
押込まれ、一方のポンプ（２８）は後室から前室へ冷却
水を流入させ、他方のポンプ（２９）は後室内の冷却水
を吐出口（２９ａ）から吐出させると共に前室内へ流入
口（２９ｂ ）から冷却水を吸引する。(28> (29) is the electrode support rod (20) (21
) is a pump that is driven in conjunction with the pressurizing and releasing operations of the
30), and connect the plungers (31) and (32) of the pump <28) (29) to one electrode support rod (
20) is attached to the rear end via a bracket (33). This pump (2B) (29) is connected to the electrode support rod (2B) (29).
0) When (21) pressurizes, plunger (31)
) (32) are drawn out from the pumps (2B) and (29), respectively, and one pump (28) discharges the cooling water in the front chamber from the discharge port (28a) and supplies the inlet (2B) to the rear chamber.
8b), and the other pump (29) causes the cooling water to flow from the front chamber to the rear chamber. On the other hand, use the electrode support rod (2
0) When (21) opens, the plunger (31)
) (32) are pushed into the pumps (2B) and (29) respectively, one pump (28) allows cooling water to flow from the rear chamber to the front chamber, and the other pump (29) flows cooling water in the rear chamber. Cooling water is discharged from the discharge port (29a) and sucked into the front chamber from the inflow port (29b).
（３４）は熱交換器で、内部を循環する冷却水を自然に
或いは強制的に吹き付けられる風にて熱交換ぎせて冷却
する。この熱交換器（３４）はスポット溶接機を支持す
るフレーム（図示せず）等に取付ける。(34) is a heat exchanger, which cools the cooling water circulating inside by exchanging heat with natural or forced wind. This heat exchanger (34) is attached to a frame (not shown) or the like that supports the spot welding machine.
（３５）は補水タンクで、上部に給水口（３６）を形成
し、当該給水口（３６）を給水源（図示せず）に接続す
ると共に内蔵したフロートバルブ（３７）にて開閉させ
るようになし、常時一定レベルまで冷却水を貯留し、冷
却水が一定レベル以下になると自動的に給水できるよう
になっている。(35) is a water replenishment tank, which has a water supply port (36) formed at the top, connects the water supply port (36) to a water supply source (not shown), and opens and closes it using a built-in float valve (37). None, cooling water is always stored up to a certain level, and when the cooling water drops below a certain level, water is automatically supplied.
前記ポンプ（２８） （２９）及び熱交換器（３４）
、補水タンク（３５） は後述の如（接続されて電極支
持棒（２０） （２１）及び電極チップ（２３）（２
４）内に形成された冷却水通路（２５） （２６）へ
冷却水を供給するための閉ループ状の冷却水回路を構成
する。即ち、一方の電極支持棒（２０）に形成された冷
却水通路（２５）の排出口（２５ｂ ）をホース（３８
）にて熱交換器（３４）の流入口（３４ａ ）へ接続し
、熱交換器（３４）の流出口（３４ｂ ）をホース（３
９）にて補水タンク（３５）の流入口（３５ａ）へ接続
し、補水タンク（３５）の流出口（３５ｂ ）をホース
（４０） （４１）にて夫々ポンプ（２８）の後室に
形成された吸引口（２８ｂ ）及びポンプ（２９）の前
室に形成された吸引口（２９ｂ ）に接続し、一方のポ
ンプ（２８）の前室に形成された吐出口（２８ａ）をチ
ェック弁（４２）を介してホース（４３）にて他方の電
極支持棒（２１）に形成された冷却水通路（２６）の流
入口（２６ａ）へ接続すると共に他方のポンプ（２９）
の後室に形成された吐出口（２９ａ）をチェック弁（４
４）を介してホース（４５）にて前記ホース（４３）へ
接続し、冷却水通路（２６）の排出口（２６ｂ ）を一
方の冷却水通路（２５）の流入口（２５ａ）へホース（
４６）にて接続しである。The pump (28) (29) and the heat exchanger (34)
, the water replenishment tank (35) is connected to the electrode support rod (20) (21) and the electrode tip (23) (2) as described below.
4) A closed-loop cooling water circuit is configured to supply cooling water to the cooling water passages (25) and (26) formed inside. That is, the outlet (25b) of the cooling water passage (25) formed in one electrode support rod (20) is connected to the hose (38).
) to the inlet (34a) of the heat exchanger (34), and the outlet (34b) of the heat exchanger (34) to the hose (34).
9) to the inlet (35a) of the refilling water tank (35), and the outlet (35b) of the refilling water tank (35) is formed in the rear chamber of the pump (28) using hoses (40) and (41), respectively. A check valve ( 42) to the inlet (26a) of the cooling water passage (26) formed in the other electrode support rod (21) via the hose (43) and the other pump (29).
The discharge port (29a) formed in the rear chamber is connected to the check valve (4).
4) to the hose (43) with a hose (45), and connect the outlet (26b) of the cooling water passage (26) to the inlet (25a) of one of the cooling water passages (25) with the hose (
46).
上記の如きスポット溶接機は、溶接時、加圧シリンダ（
２７）が伸長動作して電極支持棒（２０）（２１）及び
電極チップ（２３） （２４）を加圧動作させると、
ポンプ（２８） （２９）が伸長動作させられ、一方
のポンプ（２８）の前室内の冷却水が吐出口（２８ａ）
から吐出され、同時に後室へ補水タンク（３５）からホ
ース（４０）及び吸引口（２８ｂ ）を介して冷却水が
吸引され、他方のポンプ（２９）では前室から後室へ冷
却水を流入させる。そして冷却水が一方のポンプ（２８
）の前室から吐出されると、冷却水はチェック弁（４２
）及びホース（４３）を通って冷却水通路（２６）内へ
流入し、当該冷却水通路（２６）内を循環して電極チッ
プ（２４）を冷却する。次に前記冷却水通路（２６）か
ら排出された冷却水はホース（４６）を通って一方の冷
却水通路（２５）内へ流入し、当該冷却水通路（２５）
内を循環して電極チップ（２３）を冷却する。次に前記
冷却水通路（２５）から排出された冷却水はホー、ス（
３８）を通って熱交換器（３４）内に流入し、ここで熱
交換されて冷却され、ホース（３９）を通って補水タン
ク（３５）へ戻される。A spot welding machine like the one above uses a pressurized cylinder (
27) extends and pressurizes the electrode support rods (20), (21) and electrode tips (23) and (24),
The pumps (28) and (29) are extended, and the cooling water in the front chamber of one pump (28) is discharged from the discharge port (28a).
At the same time, cooling water is sucked from the refill tank (35) into the rear chamber through the hose (40) and suction port (28b), and the other pump (29) flows cooling water from the front chamber into the rear chamber. let And the cooling water is pumped to one side (28
), the cooling water flows through the check valve (42).
) and the hose (43) into the cooling water passage (26), and circulates within the cooling water passage (26) to cool the electrode chip (24). Next, the cooling water discharged from the cooling water passage (26) passes through the hose (46) and flows into one of the cooling water passages (25).
The electrode tip (23) is cooled by circulating inside. Next, the cooling water discharged from the cooling water passage (25) is discharged from the hose (
38) into the heat exchanger (34), where it is heat exchanged and cooled, and is returned to the replenishment tank (35) through the hose (39).
また溶接完了後、加圧シリンダ（２７）が短縮動作して
電極支持棒（２０） （２１）及び電極チップ（２３
） （２４）を開放動作させると、ポンプ（２Ｂ）
（２９）が短縮動作させられ、他方のポンプ（２９）
の後室内の冷却水が吐出口（２９ａ ）から吐出され、
同時に前室へ補水タンク（３５）からホース（４１）を
介して冷却水が吸引され、一方のポンプ（２８）では後
室から前室へ冷却水を流入させる。そして他方のポンプ
（２９）の後室から冷却水が吐出されると、冷却水はチ
ェック弁（４４）及びホース（４５） （４３）を通
って冷却水通路（２６）内へ流入し、以後前述の如く流
れて電極チップ（２３） （２４）を冷却する。Also, after welding is completed, the pressure cylinder (27) is shortened to move the electrode support rods (20) (21) and the electrode tip (23).
) When (24) is opened, the pump (2B)
(29) is operated for shortening, and the other pump (29)
The cooling water in the rear chamber is discharged from the discharge port (29a),
At the same time, cooling water is drawn into the front chamber from the replenishing water tank (35) via the hose (41), and one pump (28) causes cooling water to flow from the rear chamber into the front chamber. When cooling water is discharged from the rear chamber of the other pump (29), the cooling water flows into the cooling water passage (26) through the check valve (44) and hoses (45) (43), and thereafter It flows as described above to cool the electrode tips (23) (24).
このように電極チップ（２３） （２４）の加圧・開
放動作に連動してポンプ（２８） （２９）が駆動さ
れ、加熱された冷却水を熱交換器（３４）にて冷却し乍
ら順次冷却水通路（２５） （２６）内へ循環させて
電極チップ（２３） （２４）を冷却する。In this way, the pumps (28) (29) are driven in conjunction with the pressurizing and releasing operations of the electrode chips (23) (24), and the heated cooling water is cooled in the heat exchanger (34). The electrode chips (23) (24) are cooled by sequentially circulating the cooling water into the cooling water passages (25) (26).
尚、電極チップ（２３） （２４）の摩耗等による交
換時に水漏れを生じて補水タンク（３５）内の冷却水が
一定レベル以下になると、フロートバルブ（３７）が開
き、給水源から冷却水が自動的に補給される。In addition, if water leaks during replacement due to wear of the electrode tips (23) (24) and the cooling water in the replenishment tank (35) drops below a certain level, the float valve (37) opens and the cooling water is removed from the water supply source. is automatically replenished.
また水漏れを全く生じない場合には補水タンク（３５）
を除去し、熱交換器（３４）の流出口（３４ｂ ）にボ
ース（４０） （４１）を接続すればよい。In addition, if there is no water leakage at all, the water replenishment tank (35)
, and connect the Bose (40) (41) to the outlet (34b) of the heat exchanger (34).
一光１１？募ガ果
この発明は閉ループ状に構成された冷却水回路にて電極
支持棒及び電極チップ内に形成された冷却水通路へ冷却
水を循環させるようになし、冷却水を再利用するのでラ
ンニングコストを低減させることができる。また外部か
らの冷却水の補給が不要であり、熱交換器を電極支持棒
に近接配置すればホース等を短くでき、しかも配線も容
易で、全体にコンパクトとなり、ホースが作業の邪魔に
ならず、また床上に垂れて損傷を受けることもない。Ikko 11? This invention uses a closed-loop cooling water circuit to circulate cooling water to the cooling water passages formed in the electrode support rod and the electrode chip, and the running cost is reduced because the cooling water is reused. can be reduced. In addition, there is no need to supply cooling water from outside, and if the heat exchanger is placed close to the electrode support rod, the hoses etc. can be shortened, wiring is easy, and the overall structure is compact, so the hoses do not get in the way of work. , and will not be damaged by dripping onto the floor.
第１図は本発明に係るスボソｌ−溶接機の構成を示す概
略図、第２図は従来のスポット溶接機の構成を示す概略
図である。
（２０） （２１）−−一電極支持棒、（２２）−枢
軸、笥
手続補正書
１．事件の表示
昭和６０年 特許願 第１４５４２４号２、発明の名称
スポット溶接機
３、補正をする者
事件との関係 特許出願人
名称 （２９６）ダイハツ工業株式会社４、代理人
住 所 大阪府大阪市西区江戸堀１丁目１５番２６号
大阪商エビルア階 ［７＝−一一氏
名 （６４５８）弁理士 江 原 省 吾゛５、補正
命令の日付 □−−−
−昭和６０年 ９月 ４日
（発送日昭和６０年 ９月２４日）
６、ｉ！正の対象 図 面
７、補正の内容 図面全図を別紙の通り補正する。FIG. 1 is a schematic diagram showing the configuration of a spot welding machine according to the present invention, and FIG. 2 is a schematic diagram showing the configuration of a conventional spot welding machine. (20) (21)--One electrode support rod, (22)-Axis, amendment to the procedure 1. Indication of the case 1985 Patent Application No. 145424 2, Title of the invention Spot welding machine 3, Person making the amendment Relationship to the case Patent applicant name (296) Daihatsu Motor Co., Ltd. 4, Agent address Osaka City, Osaka Prefecture 1-15-26 Edobori, Nishi-ku, Osaka Sho Evil Rua Floor [7=-Mr. Kazuichi]
Name (6458) Patent attorney Ebara Ministry I゛5, Date of amendment order □---
-September 4, 1985 (Shipping date: September 24, 1985) 6. i! Positive target Drawing 7, details of correction All drawings will be corrected as shown in the attached sheet.
Claims (1)
能に連結させ、且つ、加圧シリンダにて前記電極支持棒
を開閉させ、前記電極チップ及び電極支持棒内に冷却水
を循環させて電極チップの冷却を行うようにしたスポッ
ト溶接機において、前記電極チップ及び電極支持棒へ冷
却水を供給する冷却水回路の途中に電極支持棒の加圧開
放動作に連動して駆動されて冷却水を送り出すポンプ並
びに加熱された冷却水を冷却させる熱交換器を設けたこ
とを特徴とするスポット溶接機。(1) Electrode support rods having electrode tips are connected so that they can be opened and closed relative to each other, and the electrode support rods are opened and closed using a pressurizing cylinder, and cooling water is circulated within the electrode tips and the electrode support rods. In a spot welding machine designed to cool an electrode tip, a cooling water circuit that supplies cooling water to the electrode tip and electrode support rod is driven in conjunction with the pressurization release operation of the electrode support rod to supply cooling water. A spot welding machine characterized by being equipped with a pump that sends out water and a heat exchanger that cools heated cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14542485A JPS626781A (en) | 1985-07-02 | 1985-07-02 | Spot welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14542485A JPS626781A (en) | 1985-07-02 | 1985-07-02 | Spot welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS626781A true JPS626781A (en) | 1987-01-13 |
Family
ID=15384928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14542485A Pending JPS626781A (en) | 1985-07-02 | 1985-07-02 | Spot welding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS626781A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS629784A (en) * | 1985-07-04 | 1987-01-17 | Daihatsu Motor Co Ltd | Spot welding machine |
| US5153405A (en) * | 1991-01-24 | 1992-10-06 | Obara Corporation | Cooling water piping system for welding robot gun |
| EP1224996A2 (en) * | 2001-01-17 | 2002-07-24 | Dieter Klein | Method for cooling resistance welding machines, in particular water cooled spot weld guns, and apparatus for performing the method |
| WO2009019742A1 (en) * | 2007-08-08 | 2009-02-12 | Shinkokiki Co., Ltd. | Water shut off mechanism of spot welding machine |
| CN101875149A (en) * | 2010-04-23 | 2010-11-03 | 上海沪工汽车电器有限公司 | Micro spot welding cooling device |
| JP2012143773A (en) * | 2011-01-11 | 2012-08-02 | Kanto Auto Works Ltd | Cooling system for welding equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS511224A (en) * | 1974-06-15 | 1976-01-07 | Kubota Ltd | KONBAIN |
| JPS5336990U (en) * | 1976-08-31 | 1978-03-31 | ||
| JPS6083787A (en) * | 1983-10-13 | 1985-05-13 | Otsuka Koki Kk | Duplex type liquid circulator by air pressure |
-
1985
- 1985-07-02 JP JP14542485A patent/JPS626781A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS511224A (en) * | 1974-06-15 | 1976-01-07 | Kubota Ltd | KONBAIN |
| JPS5336990U (en) * | 1976-08-31 | 1978-03-31 | ||
| JPS6083787A (en) * | 1983-10-13 | 1985-05-13 | Otsuka Koki Kk | Duplex type liquid circulator by air pressure |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS629784A (en) * | 1985-07-04 | 1987-01-17 | Daihatsu Motor Co Ltd | Spot welding machine |
| US5153405A (en) * | 1991-01-24 | 1992-10-06 | Obara Corporation | Cooling water piping system for welding robot gun |
| EP1224996A2 (en) * | 2001-01-17 | 2002-07-24 | Dieter Klein | Method for cooling resistance welding machines, in particular water cooled spot weld guns, and apparatus for performing the method |
| EP1224996A3 (en) * | 2001-01-17 | 2004-01-14 | Dieter Klein | Method for cooling resistance welding machines, in particular water cooled spot weld guns, and apparatus for performing the method |
| WO2009019742A1 (en) * | 2007-08-08 | 2009-02-12 | Shinkokiki Co., Ltd. | Water shut off mechanism of spot welding machine |
| CN101875149A (en) * | 2010-04-23 | 2010-11-03 | 上海沪工汽车电器有限公司 | Micro spot welding cooling device |
| JP2012143773A (en) * | 2011-01-11 | 2012-08-02 | Kanto Auto Works Ltd | Cooling system for welding equipment |
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