JPS6427123U - - Google Patents
Info
- Publication number
- JPS6427123U JPS6427123U JP12023487U JP12023487U JPS6427123U JP S6427123 U JPS6427123 U JP S6427123U JP 12023487 U JP12023487 U JP 12023487U JP 12023487 U JP12023487 U JP 12023487U JP S6427123 U JPS6427123 U JP S6427123U
- Authority
- JP
- Japan
- Prior art keywords
- press
- relief valve
- pressure control
- control relief
- oil
- 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
- 238000005457 optimization Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Presses And Accessory Devices Thereof (AREA)
Description
第１図は実施例によるプレス要部の一部断面の
正面図と所要の油圧回路図、第２図はクランク角
度と対応させたクツシヨン力の作用説明用線図で
ある。
１はボルスタ、２はダイクツシヨン装置、３は
ダイクツシヨンシリンダ、４はピストン、５はク
ツシヨンパツド、６は下型、７はパンチ、８はリ
フタ、９はクツシヨンピン、１０は板材、１１は
スライド、１２は上型、１３はダイス、１４は油
圧シリンダ、１５は油タンク、１６は油ポンプ、
１７は給油回路、１８は排油回路、１９は圧力制
御リリーフ弁、２０はエンコーダ、２１はアンプ
、である。
FIG. 1 is a partially sectional front view of the main parts of the press according to the embodiment and a necessary hydraulic circuit diagram, and FIG. 2 is a diagram for explaining the action of cushion force in correspondence with the crank angle. 1 is a bolster, 2 is a dictation device, 3 is a dictation cylinder, 4 is a piston, 5 is a cushion pad, 6 is a lower mold, 7 is a punch, 8 is a lifter, 9 is a cushion pin, 10 is a plate material, 11 is a slide, 12 is an upper mold, 13 is a die, 14 is a hydraulic cylinder, 15 is an oil tank, 16 is an oil pump,
17 is an oil supply circuit, 18 is an oil drain circuit, 19 is a pressure control relief valve, 20 is an encoder, and 21 is an amplifier.
Claims (1)
レスのクツシヨン力をプレス加工に応じて制御す
る装置において、ダイクツシヨン装置により上向
に付勢される下型のリフタに対向させて上型側に
設けた小径の油圧シリンダ１４と、油圧シリンダ
１４に圧油を供給しておく給油回路から分岐した
排油回路に設けられ、電気信号により給油回路側
の圧力を制御する圧力制御リリーフ弁１９と、プ
レスの回転軸に連結してクランク角度信号を発信
するエンコーダ２０と、エンコーダ２０のクラン
ク角度信号に応じて所要の電気信号を圧力制御リ
リーフ弁１９に発信するアンプ２１とを具備する
ことを特徴とするダイクツシヨン最適化装置。 In a device that controls the cushioning force of a press in accordance with press processing, a ductition device is installed in the bed of the press, and a small-diameter hydraulic system is installed on the upper die side facing the lifter of the lower die, which is urged upward by the dictation device. A pressure control relief valve 19 is provided on the cylinder 14 and the oil drain circuit branched from the oil supply circuit that supplies pressure oil to the hydraulic cylinder 14, and controls the pressure on the oil supply circuit side by an electric signal, and the pressure control relief valve 19 is provided on the rotation shaft of the press. A dictation optimization device comprising: an encoder 20 that is connected to transmit a crank angle signal; and an amplifier 21 that transmits a required electrical signal to a pressure control relief valve 19 in accordance with the crank angle signal of the encoder 20. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12023487U JPS6427123U (en) | 1987-08-06 | 1987-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12023487U JPS6427123U (en) | 1987-08-06 | 1987-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6427123U true JPS6427123U (en) | 1989-02-16 |
Family
ID=31366165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12023487U Pending JPS6427123U (en) | 1987-08-06 | 1987-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6427123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04172200A (en) * | 1990-11-02 | 1992-06-19 | Komatsu Ltd | Preliminary acceleration controller for press die cushion |
| KR100412668B1 (en) * | 2001-06-15 | 2003-12-31 | 현대자동차주식회사 | Double cushion type press mold |
-
1987
- 1987-08-06 JP JP12023487U patent/JPS6427123U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04172200A (en) * | 1990-11-02 | 1992-06-19 | Komatsu Ltd | Preliminary acceleration controller for press die cushion |
| KR100412668B1 (en) * | 2001-06-15 | 2003-12-31 | 현대자동차주식회사 | Double cushion type press mold |
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