JPH039279U - - Google Patents
Info
- Publication number
- JPH039279U JPH039279U JP6718489U JP6718489U JPH039279U JP H039279 U JPH039279 U JP H039279U JP 6718489 U JP6718489 U JP 6718489U JP 6718489 U JP6718489 U JP 6718489U JP H039279 U JPH039279 U JP H039279U
- Authority
- JP
- Japan
- Prior art keywords
- supply circuit
- hydraulic pump
- clamp
- pressure supply
- pressure
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Forging (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図はフラツシユ溶接機の従来の油圧供給回
路を示す回路図。第２図は従来の他の油圧供給回
路図。第３図は同じく従来の油圧供給回路図。第
４図は本考案にかかる油圧供給回路の実施例を示
す回路図。
符号の説明、１……固定側クランプシリンダ、
２……移動側クランプシリンダ、５，６……クラ
ンプ圧の方向切り換え弁、８，２２，２３……油
圧ポンプ、９……駆動シリンダ、１０……サーボ
弁、１３……方向切り換え弁、１８，２０，２１
……リリーフ弁、２４……一台の電動機（モータ
）。
FIG. 1 is a circuit diagram showing a conventional hydraulic supply circuit for a flash welding machine. FIG. 2 is another conventional hydraulic supply circuit diagram. FIG. 3 is also a conventional oil pressure supply circuit diagram. FIG. 4 is a circuit diagram showing an embodiment of the hydraulic supply circuit according to the present invention. Explanation of symbols, 1...Fixed side clamp cylinder,
2... Moving side clamp cylinder, 5, 6... Clamp pressure direction switching valve, 8, 22, 23... Hydraulic pump, 9... Drive cylinder, 10... Servo valve, 13... Direction switching valve, 18 ,20,21
...Relief valve, 24...One electric motor (motor).
Claims (1)
クランプにより突合せ保持し、その突合せ保持し
た端部に溶接電流を通電し、そのジユール熱又は
フラツシユ加熱により両端部が溶接温度まで達し
たときにアプセツト力を与えて圧接する突合せ溶
接機において、前記固定側クランプと可動側クラ
ンプとのクランプシリンダの一次側に方向切り換
え弁を介して油圧ポンプとそれぞれ連結されたク
ランプ圧供給回路と、前記可動側クランプを溶接
時に前進させる駆動シリンダの一次側に、サーボ
弁を介して油圧ポンプと連結されたサーボ圧供給
回路と、前記駆動シリンダとサーボ弁との間に切
り換え弁を介して油圧ポンプと連結されたアプセ
ツト圧供給回路とを備え、これら別々の回路に設
けた油圧ポンプが一台の電動機で連動され、しか
もサーボ圧供給回路とアプセツト圧供給回路との
二回路の圧力を油圧ポンプの二次側に設けたリリ
ーフ弁によりそれぞれが別々に設定できるように
したことを特徴とする突合せ溶接機の油圧供給回
路。 (2) 前記クランプ圧供給回路の圧力を油圧ポン
プに二次側に設けたリリーフ弁で制御するように
したことを特徴とする実用新案登録請求の範囲第
１項に記載された突合せ溶接機の油圧供給回路。[Scope of Claim for Utility Model Registration] (1) The members to be welded are butted and held by a stationary side clamp and a movable side clamp, a welding current is applied to the ends held in abutment, and both ends are In a butt welding machine that applies an upset force to weld when the welding temperature reaches the welding temperature, the fixed side clamp and the movable side clamp are respectively connected to a hydraulic pump via a direction switching valve on the primary side of the clamp cylinder. A pressure supply circuit, a servo pressure supply circuit connected to a hydraulic pump via a servo valve on the primary side of a drive cylinder that advances the movable clamp during welding, and a switching valve between the drive cylinder and the servo valve. It is equipped with an upset pressure supply circuit connected to a hydraulic pump via a hydraulic pump, and the hydraulic pumps provided in these separate circuits are linked by a single electric motor, and two circuits, a servo pressure supply circuit and an upset pressure supply circuit, are provided. A hydraulic supply circuit for a butt welding machine, characterized in that the pressure can be set separately for each pressure using a relief valve provided on the secondary side of a hydraulic pump. (2) The butt welding machine as set forth in claim 1 of the utility model registration claim, characterized in that the pressure of the clamp pressure supply circuit is controlled by a relief valve provided on the secondary side of the hydraulic pump. Hydraulic supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6718489U JPH0710851Y2 (en) | 1989-06-08 | 1989-06-08 | Hydraulic supply circuit for butt welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6718489U JPH0710851Y2 (en) | 1989-06-08 | 1989-06-08 | Hydraulic supply circuit for butt welder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH039279U true JPH039279U (en) | 1991-01-29 |
| JPH0710851Y2 JPH0710851Y2 (en) | 1995-03-15 |
Family
ID=31600533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6718489U Expired - Fee Related JPH0710851Y2 (en) | 1989-06-08 | 1989-06-08 | Hydraulic supply circuit for butt welder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710851Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007022882A (en) * | 2005-07-20 | 2007-02-01 | Jitsuo Korogi | Glaze, method for manufacturing fired product using the same, and fired product |
-
1989
- 1989-06-08 JP JP6718489U patent/JPH0710851Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007022882A (en) * | 2005-07-20 | 2007-02-01 | Jitsuo Korogi | Glaze, method for manufacturing fired product using the same, and fired product |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0710851Y2 (en) | 1995-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |