JPH0466404U - - Google Patents
Info
- Publication number
- JPH0466404U JPH0466404U JP11016690U JP11016690U JPH0466404U JP H0466404 U JPH0466404 U JP H0466404U JP 11016690 U JP11016690 U JP 11016690U JP 11016690 U JP11016690 U JP 11016690U JP H0466404 U JPH0466404 U JP H0466404U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- tank
- drive device
- speed drive
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
第１図はこの考案をタレツトパンチプレスに実
施した例を示す回路図、第２図及び第３図は作用
説明図である。
２は油圧シリンダ、２ａはシリンダ、４はサー
ボ弁、５はプレフイルバルブ、５ａは弁本体、５
ｂはスプール、７はタンク、９は位置センサ。
FIG. 1 is a circuit diagram showing an example in which this invention is implemented in a turret punch press, and FIGS. 2 and 3 are action diagrams. 2 is a hydraulic cylinder, 2a is a cylinder, 4 is a servo valve, 5 is a prefill valve, 5a is a valve body, 5
b is the spool, 7 is the tank, and 9 is the position sensor.
Claims (1)
な速度で駆動される油圧シリンダ２のシリンダ２
ａ内をプレフイルバルブ５を介してタンク７に接
続すると共に、上記プレフイルバルブ５の弁本体
５ａ内にパイロツト圧により切換えられて上記タ
ンク７とシリンダ２ａ内及びサーボ弁４とシリン
ダ２ａ内を選択的に連通するスプール５ｂを設け
てなる油圧シリンダの高速駆動装置。 (2) 上記タンク７内をエアにより一定圧力で加
圧してなる請求項１記載の高速駆動装置。 (3) 位置センサ９によりシリンダ２ａ内に設け
たピストン２ｂの位置を検出し、得られた位置信
号によりパイロツト圧を切換え制御してなる請求
項１記載の高速駆動装置。[Claims for Utility Model Registration] (1) Cylinder 2 of a hydraulic cylinder 2 driven at an arbitrary speed by hydraulic pressure supplied from a servo valve 4
A is connected to the tank 7 via the pre-fill valve 5, and the valve body 5a of the pre-fill valve 5 is switched by pilot pressure to connect the tank 7 and the cylinder 2a, and the servo valve 4 and the cylinder 2a. A high-speed drive device for a hydraulic cylinder, which is provided with a spool 5b that selectively communicates with each other. (2) The high-speed drive device according to claim 1, wherein the inside of the tank 7 is pressurized with air at a constant pressure. (3) The high-speed drive device according to claim 1, wherein the position of the piston 2b provided in the cylinder 2a is detected by a position sensor 9, and the pilot pressure is switched and controlled based on the obtained position signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990110166U JP2540182Y2 (en) | 1990-10-23 | 1990-10-23 | High-speed drive of hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990110166U JP2540182Y2 (en) | 1990-10-23 | 1990-10-23 | High-speed drive of hydraulic cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0466404U true JPH0466404U (en) | 1992-06-11 |
| JP2540182Y2 JP2540182Y2 (en) | 1997-07-02 |
Family
ID=31857465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990110166U Expired - Lifetime JP2540182Y2 (en) | 1990-10-23 | 1990-10-23 | High-speed drive of hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2540182Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0187303U (en) * | 1987-12-03 | 1989-06-09 |
-
1990
- 1990-10-23 JP JP1990110166U patent/JP2540182Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0187303U (en) * | 1987-12-03 | 1989-06-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2540182Y2 (en) | 1997-07-02 |
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