JPS6192551U - - Google Patents
Info
- Publication number
- JPS6192551U JPS6192551U JP17889984U JP17889984U JPS6192551U JP S6192551 U JPS6192551 U JP S6192551U JP 17889984 U JP17889984 U JP 17889984U JP 17889984 U JP17889984 U JP 17889984U JP S6192551 U JPS6192551 U JP S6192551U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid valve
- hydraulic pump
- circuit
- grinding wheel
- wheel head
- 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 3
Landscapes
- Fluid-Pressure Circuits (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Description
第１図は本考案装置に係る一実施例の油圧回路
図、第２図は同制御回路図、第３図は従来装置の
油圧回路図、である。
１……砥石、２……砥石台、３……複動シリン
ダ、５……油圧ポンプ、８……両ソレノイドバル
ブ、９……後退用回路、１１……バイパス回路、
１２……絞り弁、１３……片ソレノイドバルブ。
FIG. 1 is a hydraulic circuit diagram of an embodiment of the device of the present invention, FIG. 2 is a control circuit diagram thereof, and FIG. 3 is a hydraulic circuit diagram of a conventional device. 1... Grinding wheel, 2... Grinding wheel head, 3... Double acting cylinder, 5... Hydraulic pump, 8... Both solenoid valves, 9... Backward circuit, 11... Bypass circuit,
12... Throttle valve, 13... Single solenoid valve.
Claims (1)
油圧ポンプとを、前記砥石台のワークに対する前
進、後退を切り換えるための切換電磁弁を介して
接続した油圧回路の後退用回路にバイパス回路を
配設し、該バイパス回路には、絞り弁と、該バイ
パス回路を開閉する開閉電磁弁とを直列に挿入し
、前記切換電磁弁を前記油圧ポンプの作動とは独
立して開弁作動させ、かつ該切換電磁弁を前記油
圧ポンプの停止と同時に閉弁させると共に、前記
開閉電磁弁を前記油圧ポンプの作動と同時に閉弁
させる制御回路を設けた研削盤の砥石台送り装置
。 A bypass circuit is provided in the retreating circuit of a hydraulic circuit in which a double-acting cylinder for feeding the grinding wheel head and a hydraulic pump serving as its hydraulic pressure source are connected via a switching solenoid valve for switching forward and backward movement of the grinding wheel head with respect to the workpiece. a throttle valve and an on-off solenoid valve for opening and closing the bypass circuit are inserted in series in the bypass circuit, the switching solenoid valve is operated to open independently of the operation of the hydraulic pump, and A grinding wheel head feeding device for a grinding machine, comprising a control circuit that closes the switching solenoid valve at the same time as the hydraulic pump is stopped, and closes the opening/closing solenoid valve at the same time as the hydraulic pump is activated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17889984U JPS639411Y2 (en) | 1984-11-26 | 1984-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17889984U JPS639411Y2 (en) | 1984-11-26 | 1984-11-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6192551U true JPS6192551U (en) | 1986-06-16 |
| JPS639411Y2 JPS639411Y2 (en) | 1988-03-19 |
Family
ID=30736466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17889984U Expired JPS639411Y2 (en) | 1984-11-26 | 1984-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS639411Y2 (en) |
-
1984
- 1984-11-26 JP JP17889984U patent/JPS639411Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS639411Y2 (en) | 1988-03-19 |