JPH0454511U - - Google Patents
Info
- Publication number
- JPH0454511U JPH0454511U JP9505090U JP9505090U JPH0454511U JP H0454511 U JPH0454511 U JP H0454511U JP 9505090 U JP9505090 U JP 9505090U JP 9505090 U JP9505090 U JP 9505090U JP H0454511 U JPH0454511 U JP H0454511U
- Authority
- JP
- Japan
- Prior art keywords
- upper limit
- lower table
- valve device
- limit valve
- bending machine
- 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
- 238000005452 bending Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
- Control Of Presses (AREA)
Description
第１図はこの考案の上限バルブ装置を示し、第
４図における矢視部の拡大詳細図、第２図は上
限バルブ装置に生じる熱変位量を補正する説明図
、第３図は第８図における−線に沿つた拡大
断面図、第４図は第３図における矢視図、第５
図は第４図における矢視図、第６図は第４図に
おける−線に沿つた断面図、第７図は第４図
における−線に沿つた断面図、第８図はこの
考案を実施する一実施例のプレスブレーキの正面
図、第９図は第８図における−線に沿つた断
面図である。
１……プレスブレーキ（折曲げ機）、５……油
圧シリンダ、７……可動下部テーブル、１１……
ダイ、１３……固定上部テーブル、１７……パン
チ、２１……上限装置、２９……ラム位置決め部
材、４９……螺子体、５１……位置決め部材、６
３……揺動体、６５……上限バルブ装置、６７…
…スプール、７３……バルブボデイ、９１……温
度センサ。
Fig. 1 shows the upper limit valve device of this invention, an enlarged detailed view of the section shown by the arrow in Fig. 4, Fig. 2 is an explanatory diagram for correcting the amount of thermal displacement occurring in the upper limit valve device, and Fig. 3 is a diagram similar to that shown in Fig. 8. 4 is an enlarged cross-sectional view taken along the - line in FIG. 3, and FIG.
The figure is a sectional view along the line - in Fig. 4, Fig. 6 is a sectional view taken along the line - in Fig. 4, Fig. 7 is a sectional view taken along the line - in Fig. 4, and Fig. 8 is a sectional view taken along the - line in Fig. 4. FIG. 9 is a front view of the press brake of one embodiment, and is a sectional view taken along the - line in FIG. 8. 1... Press brake (bending machine), 5... Hydraulic cylinder, 7... Movable lower table, 11...
Die, 13... fixed upper table, 17... punch, 21... upper limit device, 29... ram positioning member, 49... screw body, 51... positioning member, 6
3... Rocking body, 65... Upper limit valve device, 67...
...Spool, 73...Valve body, 91...Temperature sensor.
Claims (1)
ブルの上部に設けたダイとを、前記下部テーブル
の上下動により協働せしめてワークに所望の折曲
げ加工を行なう折曲げ機で前記下部テーブルの上
昇限を検出する上限バルブ装置にして、前記下部
テーブルの変位を補正すべく上限バルブ装置を構
成する少なくともバルブボデイに温度センサを設
けてなることを特徴とする折曲げ機における上限
バルブ装置。 This is a bending machine in which a punch provided at the bottom of the upper table and a die provided at the top of the lower table work together by vertical movement of the lower table to bend the workpiece in a desired manner. 1. An upper limit valve device for a bending machine, characterized in that the upper limit valve device detects the displacement of the lower table, and further comprises a temperature sensor provided in at least a valve body constituting the upper limit valve device to correct displacement of the lower table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990095050U JP2577430Y2 (en) | 1990-09-12 | 1990-09-12 | Valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990095050U JP2577430Y2 (en) | 1990-09-12 | 1990-09-12 | Valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0454511U true JPH0454511U (en) | 1992-05-11 |
| JP2577430Y2 JP2577430Y2 (en) | 1998-07-30 |
Family
ID=31833462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990095050U Expired - Lifetime JP2577430Y2 (en) | 1990-09-12 | 1990-09-12 | Valve device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2577430Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61169118A (en) * | 1985-01-22 | 1986-07-30 | Amada Co Ltd | Press machine provided with temperature correction means |
-
1990
- 1990-09-12 JP JP1990095050U patent/JP2577430Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61169118A (en) * | 1985-01-22 | 1986-07-30 | Amada Co Ltd | Press machine provided with temperature correction means |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2577430Y2 (en) | 1998-07-30 |