JPS6442728U - - Google Patents
Info
- Publication number
- JPS6442728U JPS6442728U JP13659987U JP13659987U JPS6442728U JP S6442728 U JPS6442728 U JP S6442728U JP 13659987 U JP13659987 U JP 13659987U JP 13659987 U JP13659987 U JP 13659987U JP S6442728 U JPS6442728 U JP S6442728U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- formed before
- cylinder
- pistons
- chamber
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Presses And Accessory Devices Thereof (AREA)
Description
第１図は本考案のダイクツシヨン装置の荷重制
御装置の一実施例の説明図、第２図は油圧室をブ
ランクホルダに適用した場合のブランクホルダ押
え荷重とクランク軸回転角度の関係を表わすグラ
フである。
図中２はダイクツシヨン油圧シリンダ、５はブ
ランクホルダ、８は油圧室、９，１５は管路、１
６は圧力制御用シリンダ、１８，１９はシリンダ
本体、２３，２４，２５は油圧室、２６は管路、
２７は油圧ポンプ、３０はサーボ弁、３１，３２
は管路、３５は制御装置、３７は上金型、３８は
クランク軸、４０は下金型を示す。
Fig. 1 is an explanatory diagram of one embodiment of the load control device of the dictation device of the present invention, and Fig. 2 is a graph showing the relationship between the blank holder presser load and the crankshaft rotation angle when the hydraulic chamber is applied to the blank holder. be. In the figure, 2 is a dictation hydraulic cylinder, 5 is a blank holder, 8 is a hydraulic chamber, 9 and 15 are pipes, 1
6 is a pressure control cylinder, 18, 19 are cylinder bodies, 23, 24, 25 are hydraulic chambers, 26 is a pipe line,
27 is a hydraulic pump, 30 is a servo valve, 31, 32
35 is a control device, 37 is an upper mold, 38 is a crankshaft, and 40 is a lower mold.
Claims (1)
のピストンを有し且つ２個のピストン間を仕切ら
れると共に各ピストンの前後に室を形成した圧力
制御用シリンダを設置し、該圧力制御用シリンダ
の一のピストンの前後に形成した室のうち一方の
室に、ダイクツシヨン油圧シリンダの室を連通さ
せ、前記２個のピストンを有する圧力制御用シリ
ンダの他のピストンの前後に形成した室と油圧源
を結ぶ管路にサーボ弁を設けたことを特徴とする
ダイクツシヨン装置の荷重制御装置。 A pressure control cylinder is installed, which has two pistons arranged in series so that they can move integrally, and which is partitioned between the two pistons and has chambers formed before and after each piston. One of the chambers formed before and after one piston of the cylinder communicates with the chamber of the dictation hydraulic cylinder, and the chamber formed before and after the other piston of the pressure control cylinder having the two pistons communicates with the chamber formed before and after the other piston. A load control device for a dictation device, characterized in that a servo valve is provided in a conduit connecting a power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13659987U JPS6442728U (en) | 1987-09-07 | 1987-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13659987U JPS6442728U (en) | 1987-09-07 | 1987-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6442728U true JPS6442728U (en) | 1989-03-14 |
Family
ID=31397257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13659987U Pending JPS6442728U (en) | 1987-09-07 | 1987-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6442728U (en) |
-
1987
- 1987-09-07 JP JP13659987U patent/JPS6442728U/ja active Pending
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