JPS63201032U - - Google Patents
Info
- Publication number
- JPS63201032U JPS63201032U JP9161987U JP9161987U JPS63201032U JP S63201032 U JPS63201032 U JP S63201032U JP 9161987 U JP9161987 U JP 9161987U JP 9161987 U JP9161987 U JP 9161987U JP S63201032 U JPS63201032 U JP S63201032U
- Authority
- JP
- Japan
- Prior art keywords
- pressure pump
- hydraulic cylinder
- discharge type
- constant discharge
- high 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
- 239000010687 lubricating oil Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案の油圧回路の一例を示す図、第
２図は従来の油圧回路を示す図である。
１……主軸ヘツド、２……油圧シリンダ、３…
…ソレノイドバルブ、９，１４……チエツクバル
ブ、１０……高圧用ポンプ、１５……低圧用ポン
プ。
FIG. 1 is a diagram showing an example of a hydraulic circuit according to the present invention, and FIG. 2 is a diagram showing a conventional hydraulic circuit. 1...Spindle head, 2...Hydraulic cylinder, 3...
... Solenoid valve, 9, 14 ... Check valve, 10 ... High pressure pump, 15 ... Low pressure pump.
Claims (1)
この油圧シリンダにその進退動作切換用のソレノ
イドバルブを介して接続された定吐出形高圧用ポ
ンプと、この高圧ポンプの吸込側と油タンクとの
間に直列に接続されて常時運転されると共に、主
軸ヘツド内部への潤滑油供給等に機能する定吐出
形の低圧用ポンプと、上記油圧シリンダによる主
軸速度の切換えが終了したことを検知して上記高
圧用ポンプを停止制御する手段とを備えてなる油
圧回路。 A hydraulic cylinder for changing the spindle speed of machine tools,
A constant discharge type high pressure pump is connected to this hydraulic cylinder via a solenoid valve for switching forward and backward movement, and is connected in series between the suction side of this high pressure pump and an oil tank and is constantly operated. A constant discharge type low-pressure pump that functions to supply lubricating oil to the inside of the spindle head, and means for detecting that switching of the spindle speed by the hydraulic cylinder is completed and controlling the high-pressure pump to stop. hydraulic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987091619U JPH0618753Y2 (en) | 1987-06-15 | 1987-06-15 | Hydraulic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987091619U JPH0618753Y2 (en) | 1987-06-15 | 1987-06-15 | Hydraulic circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63201032U true JPS63201032U (en) | 1988-12-26 |
| JPH0618753Y2 JPH0618753Y2 (en) | 1994-05-18 |
Family
ID=30952572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987091619U Expired - Lifetime JPH0618753Y2 (en) | 1987-06-15 | 1987-06-15 | Hydraulic circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0618753Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006292067A (en) * | 2005-04-11 | 2006-10-26 | Taihei Dengyo Kaisha Ltd | Hydraulic circuit for high-pressure hydraulic system |
| JP2007178004A (en) * | 2007-03-07 | 2007-07-12 | Toshiba Corp | Liquid pressure generator |
| JP2011002017A (en) * | 2009-06-18 | 2011-01-06 | Taihei Dengyo Kaisha Ltd | Hydraulic circuit for high-pressure hydraulic system |
-
1987
- 1987-06-15 JP JP1987091619U patent/JPH0618753Y2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006292067A (en) * | 2005-04-11 | 2006-10-26 | Taihei Dengyo Kaisha Ltd | Hydraulic circuit for high-pressure hydraulic system |
| JP4721753B2 (en) * | 2005-04-11 | 2011-07-13 | 太平電業株式会社 | Hydraulic circuit for high pressure hydraulic system |
| JP2007178004A (en) * | 2007-03-07 | 2007-07-12 | Toshiba Corp | Liquid pressure generator |
| JP2011002017A (en) * | 2009-06-18 | 2011-01-06 | Taihei Dengyo Kaisha Ltd | Hydraulic circuit for high-pressure hydraulic system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0618753Y2 (en) | 1994-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6155502U (en) | ||
| JPS63201032U (en) | ||
| JPS6429064U (en) | ||
| JPS6187170U (en) | ||
| JPS603420Y2 (en) | Simple hydraulic supply device | |
| JPH01143303U (en) | ||
| SU883572A1 (en) | Pneumohydraulic two-stage pressure intensifier for hydraulic cylinders of clamping devices | |
| JPS6448403U (en) | ||
| JPS63150050U (en) | ||
| JPS63105774U (en) | ||
| JPS63122747U (en) | ||
| JPH0293108U (en) | ||
| JPS61109694U (en) | ||
| JPS61167440U (en) | ||
| JPS61181124U (en) | ||
| JPH024165U (en) | ||
| JPH0391204U (en) | ||
| JPH0347101U (en) | ||
| JPS61192984U (en) | ||
| JPS59167674U (en) | hydraulic compression tools | |
| JPH0369360U (en) | ||
| JPS6455306U (en) | ||
| JPS6192551U (en) | ||
| JPH0369361U (en) | ||
| JPS637515U (en) |