JPH02114194U - - Google Patents
Info
- Publication number
- JPH02114194U JPH02114194U JP2139389U JP2139389U JPH02114194U JP H02114194 U JPH02114194 U JP H02114194U JP 2139389 U JP2139389 U JP 2139389U JP 2139389 U JP2139389 U JP 2139389U JP H02114194 U JPH02114194 U JP H02114194U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- slide
- pressure
- piston
- hydraulic
- 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.)
- Pending
Links
Landscapes
- Press Drives And Press Lines (AREA)
Description
図面はこの考案の一実施例を示す断面図である
。
１はプレス本体、２はスライド、３はスライド
駆動機構、４は加圧シリンダ、４１，４２は油圧
室、５は増圧シリンダ、５Ａは上部シリンダ、５
Ｂは下部シリンダ、５ａ，５ｂ，５ｃはピストン
、５ｄはピストン杆。
The drawing is a sectional view showing an embodiment of this invention. 1 is a press body, 2 is a slide, 3 is a slide drive mechanism, 4 is a pressurizing cylinder, 4 1 , 4 2 is a hydraulic chamber, 5 is a pressure increase cylinder, 5A is an upper cylinder, 5
B is a lower cylinder, 5a, 5b, 5c are pistons, and 5d is a piston rod.
Claims (1)
動するスライド駆動機構３を、加圧シリンダ４と
増圧シリンダ５より構成し、増圧シリンダ５は受
圧面積が異なる複数のピストン５ａ，５ｂを同心
的に有し、かつプレス本体１側へ設けられた上部
シリンダ５Ａと、スライド２側に設けられ、かつ
上記上部シリンダ５Ａの小径側ピストン５ｂにピ
ストン杆５ｄを介して連結されたピストン５ｃを
有する下部シリンダ５Ｂにより構成すると共に、
下部シリンダ５Ｂの加圧力が設定値を超えたとき
に、上部シリンダ５Ａの大径側ピストン５ａで増
圧された油圧を加圧シリンダ４の油圧室４１，４
２へ供給するようにしてなる油圧プレス。 A slide drive mechanism 3 that drives a slide 2 provided in the press body 1 up and down is composed of a pressure cylinder 4 and a pressure increase cylinder 5, and the pressure increase cylinder 5 has a plurality of pistons 5a and 5b having different pressure receiving areas concentrically. an upper cylinder 5A provided on the press main body 1 side, and a lower portion including a piston 5c provided on the slide 2 side and connected to the small diameter piston 5b of the upper cylinder 5A via a piston rod 5d. Consisting of a cylinder 5B,
When the pressurizing force of the lower cylinder 5B exceeds a set value, the hydraulic pressure increased by the large diameter piston 5a of the upper cylinder 5A is transferred to the hydraulic chambers 4 1 and 4 of the pressurizing cylinder 4.
Hydraulic press configured to supply to 2 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2139389U JPH02114194U (en) | 1989-02-28 | 1989-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2139389U JPH02114194U (en) | 1989-02-28 | 1989-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02114194U true JPH02114194U (en) | 1990-09-12 |
Family
ID=31238597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2139389U Pending JPH02114194U (en) | 1989-02-28 | 1989-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02114194U (en) |
-
1989
- 1989-02-28 JP JP2139389U patent/JPH02114194U/ja active Pending