JPH0362695U - - Google Patents
Info
- Publication number
- JPH0362695U JPH0362695U JP12227089U JP12227089U JPH0362695U JP H0362695 U JPH0362695 U JP H0362695U JP 12227089 U JP12227089 U JP 12227089U JP 12227089 U JP12227089 U JP 12227089U JP H0362695 U JPH0362695 U JP H0362695U
- Authority
- JP
- Japan
- Prior art keywords
- dictation
- pin
- cylinder
- selection device
- automatic
- 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
- 230000036316 preload Effects 0.000 claims 1
Landscapes
- Presses And Accessory Devices Thereof (AREA)
Description
図面はこの考案の一実施例を示す断面図である
。
１……ベツド、２……ボルスタ、３……ダイク
ツシヨンパツド、５……シリンダブロツク、５ａ
……シリンダ、６……ピストン、６ａ……ピスト
ン杆、７……パイロツト弁、８……レバー、９ａ
……主油路、１３……減圧弁、２０……ダイクツ
シヨンピン。
The drawing is a sectional view showing an embodiment of this invention. 1... Bed, 2... Bolster, 3... Diction pad, 5... Cylinder block, 5a
...Cylinder, 6...Piston, 6a...Piston rod, 7...Pilot valve, 8...Lever, 9a
... Main oil passage, 13 ... Pressure reducing valve, 20 ... Diction pin.
Claims (1)
ツド３上に、ボルスタ２に上下動自在に設けられ
たダイクツシヨンピン２０と同一配置でシリンダ
５ａが形成されたシリンダブロツク５を取付け、
かつ各シリンダ５ａ内にピストン杆６ａを上向き
にしたピストン６を収容すると共に、上記各シリ
ンダ５ａに選択的に油圧を供給することにより、
ピストン杆６ａにより使用するダイクツシヨンピ
ン２０を上昇させるようにしてなるダイクツシヨ
ンピンの自動選択装置。 (2) 上記各シリンダ毎にパイロツト弁７を設け
て、このパイロツト弁７を選択的に開閉すること
により、シリンダ５ａへ油圧を供給するようにし
てなる請求項１記載のダイクツシヨンピンの自動
選択装置。 (3) ピストン杆６ａの上昇とともにレバー８を
介してパイロツト弁７が開放位置へ保持されるよ
うにしてなる請求項１記載のダイクツシヨンピン
の自動選択装置。 (4) 選択されたシリンダ５ａを主油路９ａによ
り互に連通すると共に、減圧弁１３によりシリン
ダ５ａ内のプリロード圧を可変できるようにして
なる請求項１記載のダイクツシヨンピンの自動選
択装置。[Claims for Utility Model Registration] (1) A cylinder 5a is formed on the dictation pad 3 installed in the bed 1 in the same arrangement as the dictation pin 20 provided on the bolster 2 so as to be movable up and down. Install the cylinder block 5 that was
In addition, by housing a piston 6 with a piston rod 6a facing upward in each cylinder 5a, and selectively supplying hydraulic pressure to each cylinder 5a,
An automatic dictation pin selection device which raises a dictation pin 20 to be used by a piston rod 6a. (2) The automatic dictation pin according to claim 1, wherein a pilot valve 7 is provided for each of the cylinders, and hydraulic pressure is supplied to the cylinder 5a by selectively opening and closing the pilot valve 7. Selection device. (3) The automatic dictation pin selection device according to claim 1, wherein the pilot valve 7 is held in the open position via the lever 8 as the piston rod 6a rises. (4) The automatic dictation pin selection device according to claim 1, wherein the selected cylinders 5a are communicated with each other through the main oil passage 9a, and the preload pressure inside the cylinders 5a can be varied by a pressure reducing valve 13. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12227089U JPH0362695U (en) | 1989-10-20 | 1989-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12227089U JPH0362695U (en) | 1989-10-20 | 1989-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0362695U true JPH0362695U (en) | 1991-06-19 |
Family
ID=31670276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12227089U Pending JPH0362695U (en) | 1989-10-20 | 1989-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0362695U (en) |
-
1989
- 1989-10-20 JP JP12227089U patent/JPH0362695U/ja active Pending
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