JPS6213620U - - Google Patents
Info
- Publication number
- JPS6213620U JPS6213620U JP10511985U JP10511985U JPS6213620U JP S6213620 U JPS6213620 U JP S6213620U JP 10511985 U JP10511985 U JP 10511985U JP 10511985 U JP10511985 U JP 10511985U JP S6213620 U JPS6213620 U JP S6213620U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- piston
- closing
- fast
- receiving area
- 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
- 238000001746 injection moulding Methods 0.000 claims description 2
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図はこの考案に係る射出成形機の型開閉装
置の略示縦断面図、第２図は従来の型開閉装置の
略示縦断面図である。
１１……可動盤、１２……型締ラム、１３……
型締シリンダ、１４……閉鎖シリンダ、１５……
リザーブタンク、１６……早送りシリンダ、１７
……早送りピストン、１７ａ……端部、１８……
弁体、１９……後部ピストン、２０……後部シリ
ンダ。
FIG. 1 is a schematic vertical sectional view of a mold opening/closing device for an injection molding machine according to this invention, and FIG. 2 is a schematic vertical sectional view of a conventional mold opening/closing device. 11... Movable platen, 12... Mold clamping ram, 13...
Mold clamping cylinder, 14... Closing cylinder, 15...
Reserve tank, 16... Rapid feed cylinder, 17
...Rapid piston, 17a... End, 18...
Valve body, 19... Rear piston, 20... Rear cylinder.
Claims (1)
リンダの後部に閉鎖シリンダを連設し、その閉鎖
シリンダとの間にリザーブタンクを接続するとと
もに、型締ラム内に早送りシリンダを設け、この
早送りシリンダと上記閉鎖シリンダとにわたり、
管状の早送りピストンを軸方向に可動自在に嵌挿
し、かつ早送りピストンの周囲に上記型締シリン
ダの後部を開閉する弁体と、閉鎖シリンダ内に位
置する後部ピストンとを設けてなる型開閉装置に
おいて、上記早送りピストンの後端を、ピストン
前端面の受圧面積よりも小さく、後部ピストンの
後側受圧面積との和では、上記ピストン前端面の
受圧面積より大きく受圧面を形成して、後部ピス
トンよりも外方に延設するとともに、ピストン後
端を収容するシリンダを閉鎖シリンダの後部に連
設し、そのシリンダと閉鎖シリンダの後室とを主
回路に接続してなることを特徴とする射出成形機
の型開閉装置。 A closing cylinder is connected to the rear of the clamping cylinder equipped with a clamping ram that opens and closes the movable platen, and a reserve tank is connected between the closing cylinder and a fast-feeding cylinder inside the clamping ram. Between the rapid-forward cylinder and the above-mentioned closing cylinder,
A mold opening/closing device in which a tubular fast-feeding piston is inserted and inserted so as to be movable in the axial direction, and a valve body for opening and closing the rear part of the mold clamping cylinder is provided around the fast-feeding piston, and a rear piston located in the closing cylinder. , the rear end of the rapid piston is smaller than the pressure receiving area of the front end surface of the piston, and the sum of the rear pressure receiving area of the rear piston is larger than the pressure receiving area of the front end surface of the piston, and The injection molding is characterized in that a cylinder for accommodating the rear end of the piston is connected to the rear of the closing cylinder, and the cylinder and the rear chamber of the closing cylinder are connected to the main circuit. Machine mold opening/closing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10511985U JPH0116591Y2 (en) | 1985-07-10 | 1985-07-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10511985U JPH0116591Y2 (en) | 1985-07-10 | 1985-07-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6213620U true JPS6213620U (en) | 1987-01-27 |
| JPH0116591Y2 JPH0116591Y2 (en) | 1989-05-16 |
Family
ID=30979246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10511985U Expired JPH0116591Y2 (en) | 1985-07-10 | 1985-07-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0116591Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6455011U (en) * | 1987-09-30 | 1989-04-05 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995032856A1 (en) * | 1994-06-01 | 1995-12-07 | Sodick Co., Ltd. | Straight hydraulic mold clamping system |
-
1985
- 1985-07-10 JP JP10511985U patent/JPH0116591Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6455011U (en) * | 1987-09-30 | 1989-04-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0116591Y2 (en) | 1989-05-16 |
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