JPH0370814U - - Google Patents
Info
- Publication number
- JPH0370814U JPH0370814U JP12967089U JP12967089U JPH0370814U JP H0370814 U JPH0370814 U JP H0370814U JP 12967089 U JP12967089 U JP 12967089U JP 12967089 U JP12967089 U JP 12967089U JP H0370814 U JPH0370814 U JP H0370814U
- Authority
- JP
- Japan
- Prior art keywords
- ram
- switching
- ascending
- detection member
- speed switching
- 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
- 230000001174 ascending effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Description
第１図乃至第６図はこの考案の主要部を示し、
第１図は作動説明図、第２図は油圧系統説明図、
第３図は電気回路説明図、第４図は第８図におけ
る矢視部の拡大図、第５図は第４図における正
面図、第６図は検出部材の作動説明図、第７図お
よび第８図はこの考案を実施する一実施例の小型
液圧プレスブレーキを示し、第７図は正面図、第
８図は第７図における側面図、第９図は従来例を
示す作動説明図である。
１……液圧プレスブレーキ、１３……ラム、２
５……位置決め装置、４７……検出部材、６１…
…速度切換用電磁弁、６３……上昇下降用電磁切
換弁、７３……オリフイス、Ｔ１……タイマ、Ｔ
２……タイマ。
Figures 1 to 6 show the main parts of this invention,
Figure 1 is an explanatory diagram of the operation, Figure 2 is an explanatory diagram of the hydraulic system,
FIG. 3 is an explanatory diagram of the electric circuit, FIG. 4 is an enlarged view of the section shown by the arrow in FIG. 8, FIG. 5 is a front view of FIG. 4, FIG. 6 is an explanatory diagram of the operation of the detection member, and FIGS. Fig. 8 shows a small hydraulic press brake according to an embodiment of this invention, Fig. 7 is a front view, Fig. 8 is a side view of Fig. 7, and Fig. 9 is an operation explanatory diagram showing a conventional example. It is. 1... Hydraulic press brake, 13... Ram, 2
5... Positioning device, 47... Detection member, 61...
... Solenoid valve for speed switching, 63... Solenoid switching valve for ascending and descending, 73... Orifice, T1... Timer, T
2...Timer.
Claims (1)
る検出部材を設け、前記速度切換位置を検知する
検知部材により作動する速度切換用電磁弁にオリ
フイス機構を設け、ラム中間端検出部材の作動よ
りタイマを介してラム下限にて上昇、下降用電磁
切換弁を中立位置に切換えた後、タイマを介して
前記速度切換用電磁弁を上昇位置に切換えると同
時に前記上昇下降用電磁切換弁を上昇位置に切換
える制御を電気回路に備えたことを特徴とする液
圧プレスブレーキのラム位置決め装置。 A detection member is provided to detect the upper limit, intermediate end, and speed switching position of the ram, and an orifice mechanism is provided in the speed switching solenoid valve operated by the detection member that detects the speed switching position, and the ram intermediate end detection member is operated. After switching the ascending and descending electromagnetic switching valve to the neutral position at the lower limit of the ram via a timer, the speed switching electromagnetic valve is switched to the ascending position via the timer, and at the same time, the ascending/descending electromagnetic switching valve is switched to the ascending position. A ram positioning device for a hydraulic press brake, characterized in that the electric circuit is equipped with a control for switching to the ram positioning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989129670U JPH087935Y2 (en) | 1989-11-08 | 1989-11-08 | Ram positioning device for hydraulic press brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989129670U JPH087935Y2 (en) | 1989-11-08 | 1989-11-08 | Ram positioning device for hydraulic press brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0370814U true JPH0370814U (en) | 1991-07-17 |
| JPH087935Y2 JPH087935Y2 (en) | 1996-03-06 |
Family
ID=31677284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989129670U Expired - Lifetime JPH087935Y2 (en) | 1989-11-08 | 1989-11-08 | Ram positioning device for hydraulic press brake |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087935Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61189821A (en) * | 1985-02-15 | 1986-08-23 | Nippon Kokan Kk <Nkk> | Press brake drive control device |
| JPS62189822U (en) * | 1986-05-20 | 1987-12-03 | ||
| JPS6334515U (en) * | 1986-08-26 | 1988-03-05 |
-
1989
- 1989-11-08 JP JP1989129670U patent/JPH087935Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61189821A (en) * | 1985-02-15 | 1986-08-23 | Nippon Kokan Kk <Nkk> | Press brake drive control device |
| JPS62189822U (en) * | 1986-05-20 | 1987-12-03 | ||
| JPS6334515U (en) * | 1986-08-26 | 1988-03-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH087935Y2 (en) | 1996-03-06 |