JPH0480698U - - Google Patents
Info
- Publication number
- JPH0480698U JPH0480698U JP12041690U JP12041690U JPH0480698U JP H0480698 U JPH0480698 U JP H0480698U JP 12041690 U JP12041690 U JP 12041690U JP 12041690 U JP12041690 U JP 12041690U JP H0480698 U JPH0480698 U JP H0480698U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- cylinder
- circuit
- discharge
- press
- 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
- 238000009825 accumulation Methods 0.000 claims description 8
- 244000208734 Pisonia aculeata Species 0.000 claims 3
- 238000000465 moulding Methods 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Presses (AREA)
Description
第１図は本考案の一実施例の油圧回路図、第２
図は同上のプレスサイクル線図である。
１……加圧シリンダー、３……加圧ポンプ、４
……加圧回路、５……加圧用蓄圧吐出リミツタ、
１５……蓄圧吐出リミツタ制御弁、１８……引き
戻し蓄圧吐出リミツタ、１９……蓄圧吐出リミツ
タ制御弁。
Figure 1 is a hydraulic circuit diagram of one embodiment of the present invention, Figure 2 is a hydraulic circuit diagram of an embodiment of the present invention.
The figure is a press cycle diagram same as above. 1... Pressure cylinder, 3... Pressure pump, 4
... Pressure circuit, 5 ... Pressure accumulation discharge limiter,
15...Pressure accumulation discharge limiter control valve, 18...Return pressure accumulation discharge limiter, 19...Pressure accumulation discharge limiter control valve.
Claims (1)
駆動するための加圧ポンプを加圧成形時にほぼ必
要なだけの小容量の吐出量のものとし、 プレス成形する際の高速加圧成形時に上記加圧
シリンダーを加圧ポンプと併用して高速で駆動で
きるように所定の吐出量のシリンダー式の加圧用
蓄圧吐出リミツタを加圧シリンダーの加圧回路に
接続するとともに、 プレスして戻る際に加圧シリンダーを高速で引
き戻せるように所定の吐出量のシリンダー式の引
き戻し用蓄圧吐出リミツタを加圧シリンダーの引
き戻し回路に接続し、 加圧シリンダーと上記した両方の蓄圧吐出リミ
ツタとの間の加圧回路および引き戻し回路にノン
シヨツク弁付きの蓄圧吐出リミツタ制御弁をそれ
ぞれ配設したことを特徴とする油圧プレスの油圧
制御回路。[Scope of Claim for Utility Model Registration] A pressure pump for driving a pressurizing cylinder for press forming of a hydraulic press has a small discharge volume that is almost necessary during press forming, and In order to drive the above-mentioned pressure cylinder at high speed by using it together with a pressure pump during high-speed pressure molding, a cylinder-type pressurization accumulation discharge limiter with a predetermined discharge amount is connected to the pressure circuit of the pressure cylinder, and the press In order to pull back the pressurized cylinder at high speed when the pressurized cylinder returns, a cylinder-type pull-back pressure accumulation discharge limiter with a predetermined discharge amount is connected to the pressure cylinder's pull-back circuit, and the pressure cylinder and both of the above-mentioned pressure accumulation and discharge limiters are connected to each other. A hydraulic control circuit for a hydraulic press, characterized in that a pressure accumulation discharge limiter control valve with a non-shock valve is provided in a pressure circuit and a pullback circuit between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12041690U JP2514253Y2 (en) | 1990-11-17 | 1990-11-17 | Hydraulic control circuit of hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12041690U JP2514253Y2 (en) | 1990-11-17 | 1990-11-17 | Hydraulic control circuit of hydraulic press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0480698U true JPH0480698U (en) | 1992-07-14 |
| JP2514253Y2 JP2514253Y2 (en) | 1996-10-16 |
Family
ID=31868324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12041690U Expired - Lifetime JP2514253Y2 (en) | 1990-11-17 | 1990-11-17 | Hydraulic control circuit of hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2514253Y2 (en) |
-
1990
- 1990-11-17 JP JP12041690U patent/JP2514253Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2514253Y2 (en) | 1996-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1181044A (en) | Hydraulic Press | |
| FR2086484A1 (en) | Multi plunger speed pressure die casting plant | |
| JPH0480698U (en) | ||
| JPH04495U (en) | ||
| US2343139A (en) | High speed forging press | |
| JPS6325105U (en) | ||
| JPS63201032U (en) | ||
| JPS606646Y2 (en) | Two-stage stroke pressure cylinder | |
| JPS6362223U (en) | ||
| JPH0281795U (en) | ||
| JPS6442118U (en) | ||
| GB1144049A (en) | Improvements in or relating to screw presses | |
| JPS6410540U (en) | ||
| JPH0391126U (en) | ||
| JPH0430320U (en) | ||
| JPS61197301U (en) | ||
| JPH0381722U (en) | ||
| JPS645724U (en) | ||
| JPS59109409U (en) | Torepan cutter | |
| JPH0274120U (en) | ||
| JPH0362117U (en) | ||
| JPS6430217U (en) | ||
| JPH02114194U (en) | ||
| JPS62131757U (en) | ||
| JPH02118697U (en) |