JPS61190316U - - Google Patents
Info
- Publication number
- JPS61190316U JPS61190316U JP7286385U JP7286385U JPS61190316U JP S61190316 U JPS61190316 U JP S61190316U JP 7286385 U JP7286385 U JP 7286385U JP 7286385 U JP7286385 U JP 7286385U JP S61190316 U JPS61190316 U JP S61190316U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder
- oil
- relief valve
- storage means
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Presses And Accessory Devices Thereof (AREA)
Description
第1図は本考案に係るダイクツシヨン装置の制
御部の一構成例を示したブロツク図、第2図は本
考案が適用されるダイクツシヨン装置の機構部の
構成を例示した断面図、第3図ないし第5図は各
々リリーフ弁制御信号の変化パターンを例示した
図、第6図は従来の信号パターン設定手段を示し
たブロツク図、第7図aはリリーフ圧の変化ポイ
ントを示した図、同図bは第6図の手段によつて
得られた信号の変化パターンを例示した図である
。
11……ダイクツシヨン構体、111,112
……シリンダ、113,114……ピストン、1
15,116……ピストンロツド、117……ダ
イクツシヨンパツド、13……下型、16……ス
ライド、17……上型、31……チエツク弁、3
4……可変リリーフ弁、37……ポンプ、40…
…制御部、41……角度メモリ、42……電圧メ
モリ、43……操作部、44……ポイント検出部
、45……電圧選択部、46……D/A変換器、
50……クランク角検出器。
FIG. 1 is a block diagram showing an example of the configuration of a control section of a dictation device according to the present invention, FIG. 2 is a sectional view illustrating the configuration of a mechanical section of a dictation device to which the present invention is applied, and FIGS. 5 is a diagram illustrating the change patterns of the relief valve control signals, FIG. 6 is a block diagram showing a conventional signal pattern setting means, and FIG. 7a is a diagram showing the change points of the relief pressure. b is a diagram illustrating a signal change pattern obtained by the means of FIG. 6; 11... Diction structure, 111, 112
...Cylinder, 113,114...Piston, 1
15, 116... Piston rod, 117... Diction pad, 13... Lower die, 16... Slide, 17... Upper die, 31... Check valve, 3
4...Variable relief valve, 37...Pump, 40...
...Control unit, 41...Angle memory, 42...Voltage memory, 43...Operation unit, 44...Point detection unit, 45...Voltage selection unit, 46...D/A converter,
50...Crank angle detector.
Claims (1)
第1シリンダと、この第1シリンダのピストンに
直結された第2ピストンを有する第2シリンダと
を備え、上記第2シリンダのピストンの上昇時に
該ピストン下部の油室内に油を導入し、下降時に
可変リリーフ弁を介して上記油圧室内の油をリリ
ーフさせるように構成されたプレス機械における
ダイクツシヨン装置において、上記プレス機械の
スライドのストローク位置を検出する位置検出手
段と、上記リリーフ弁を制御する制御信号の変化
パターンを上記スライドのストローク位置に対応
ずけて複数種各納した記憶手段と、該記憶手段に
格納された各変化パターンのいずれかを選択する
とともに、選択されたパターンを上記位置検出手
段の出力に基づいて上記記憶手段から読出し、こ
の変化パターンに従つて上記リリーフ弁を制御す
る制御手段とを備えることを特徴とするプレン機
械におけるダイクツシヨン装置。 A first cylinder that performs a dictation action based on a set air pressure, and a second cylinder that has a second piston directly connected to the piston of the first cylinder, and when the piston of the second cylinder rises, the lower part of the piston Position detection means for detecting a stroke position of a slide of the press machine, in a dictation device for a press machine configured to introduce oil into an oil chamber and relieve the oil in the oil pressure chamber via a variable relief valve when descending. and a storage means storing a plurality of change patterns of control signals for controlling the relief valve corresponding to stroke positions of the slide, and selecting one of the change patterns stored in the storage means. , a control means for reading out a selected pattern from the storage means based on the output of the position detection means and controlling the relief valve according to the change pattern.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985072863U JPH0324243Y2 (en) | 1985-05-16 | 1985-05-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985072863U JPH0324243Y2 (en) | 1985-05-16 | 1985-05-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61190316U true JPS61190316U (en) | 1986-11-27 |
JPH0324243Y2 JPH0324243Y2 (en) | 1991-05-27 |
Family
ID=30611674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985072863U Expired JPH0324243Y2 (en) | 1985-05-16 | 1985-05-16 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0324243Y2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0386396A (en) * | 1989-08-31 | 1991-04-11 | Komatsu Ltd | Apparatus for setting capacity pattern in press die cusion |
JP2014151332A (en) * | 2013-02-06 | 2014-08-25 | Sumitomo Heavy Ind Ltd | Press apparatus |
JP6185634B1 (en) * | 2016-08-26 | 2017-08-23 | エスアールエンジニアリング株式会社 | Die cushion device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5037563U (en) * | 1973-07-30 | 1975-04-18 | ||
JPS5699024A (en) * | 1979-12-29 | 1981-08-10 | Warnke Umformtech Veb K | Hydraulic pressure device for attenuating upward motion of die cushion of controllable pneumatic pressure type die cushion |
JPS5937310U (en) * | 1982-08-27 | 1984-03-09 | 佐藤 功 | pajamas |
JPS6114026A (en) * | 1984-06-29 | 1986-01-22 | Ishikawajima Harima Heavy Ind Co Ltd | Die cushion device |
-
1985
- 1985-05-16 JP JP1985072863U patent/JPH0324243Y2/ja not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5037563U (en) * | 1973-07-30 | 1975-04-18 | ||
JPS5699024A (en) * | 1979-12-29 | 1981-08-10 | Warnke Umformtech Veb K | Hydraulic pressure device for attenuating upward motion of die cushion of controllable pneumatic pressure type die cushion |
JPS5937310U (en) * | 1982-08-27 | 1984-03-09 | 佐藤 功 | pajamas |
JPS6114026A (en) * | 1984-06-29 | 1986-01-22 | Ishikawajima Harima Heavy Ind Co Ltd | Die cushion device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0386396A (en) * | 1989-08-31 | 1991-04-11 | Komatsu Ltd | Apparatus for setting capacity pattern in press die cusion |
JP2014151332A (en) * | 2013-02-06 | 2014-08-25 | Sumitomo Heavy Ind Ltd | Press apparatus |
JP6185634B1 (en) * | 2016-08-26 | 2017-08-23 | エスアールエンジニアリング株式会社 | Die cushion device |
Also Published As
Publication number | Publication date |
---|---|
JPH0324243Y2 (en) | 1991-05-27 |
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