JPS615623U - Mold cavity pressure control device - Google Patents
Mold cavity pressure control deviceInfo
- Publication number
- JPS615623U JPS615623U JP8948484U JP8948484U JPS615623U JP S615623 U JPS615623 U JP S615623U JP 8948484 U JP8948484 U JP 8948484U JP 8948484 U JP8948484 U JP 8948484U JP S615623 U JPS615623 U JP S615623U
- Authority
- JP
- Japan
- Prior art keywords
- pneumatic
- cylinder
- solenoid valve
- hydraulic
- mold cavity
- 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
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案による金型キャビイテイ内圧力制御装置
を示す図、第２図は射出成形機の行程に応じた各要素の
作動状態を示す図、第３図は射出開始前の金型を示す図
、第４図は射出中の金型を示す図、第５図は除圧冷却時
の金型を示す図、第６図は成形品突出し時の金型を示す
図である。
１０・・・油圧シリンダ、１２・・・空気圧シリンダ、
１４・・・連結板、１６・・・スイッチレール、１８・
・・カム、２０・・・カム、２２・・・第１リミットス
イッチ、２４・・・第２リミットスイッチ、２６・・・
油路、２８・・・油路、３０・・・速度調整バルブ、３
２・・・油圧源、３４・・・油圧タンク、３６・・・油
圧方向切換ンレツイドバルブ、３８・・・空気圧通路、
４０・・・空気圧源、４２・・・第１空気圧方向切換ソ
レノイドパルブ、４４・・・チェックパルフ、４６・・
・第１空気圧排出切換ソレノイドパルブ、４８・・・消
音器、５０・・・金型キャビイテイ、５２・・・空気圧
通路、５４・・・第２空気圧力向切換ソレノイドバルブ
、５６・・・空気圧リリーフ天ルブ、５８・・・消音器
、６０・・・空気圧ゲージ、６２・・・＄２空気圧排出
切換ソレノイドパルブ、６４・・・消音器、６６・・・
第１タイマー、６８・・・第２タイマー、７ロ・・・ノ
ズル、７２・・・溶融樹脂。Fig. 1 is a diagram showing the mold cavity internal pressure control device according to the present invention, Fig. 2 is a diagram showing the operating state of each element according to the stroke of the injection molding machine, and Fig. 3 is a diagram showing the mold before injection starts. FIG. 4 is a diagram showing the mold during injection, FIG. 5 is a diagram showing the mold during depressurization cooling, and FIG. 6 is a diagram showing the mold during ejection of the molded product. 10... Hydraulic cylinder, 12... Pneumatic cylinder,
14...Connection plate, 16...Switch rail, 18.
...Cam, 20...Cam, 22...First limit switch, 24...Second limit switch, 26...
Oil passage, 28...Oil passage, 30...Speed adjustment valve, 3
2... Hydraulic source, 34... Hydraulic tank, 36... Hydraulic direction switching valve, 38... Pneumatic passage,
40... Pneumatic pressure source, 42... First pneumatic pressure direction switching solenoid valve, 44... Check pulse, 46...
- First pneumatic discharge switching solenoid valve, 48... Silencer, 50... Mold cavity, 52... Pneumatic passage, 54... Second pneumatic pressure direction switching solenoid valve, 56... Pneumatic relief Ceiling valve, 58... Silencer, 60... Air pressure gauge, 62... $2 Air pressure discharge switching solenoid valve, 64... Silencer, 66...
1st timer, 68...2nd timer, 7ro...nozzle, 72...molten resin.
Claims (1)
の油圧の供給を切換制御する油圧方向切換ソレノイドパ
ルブと、油圧シリンダと連動するように連結された空気
圧シリンダと、空気圧シリンダのシリンダ室の容積小及
び容積大の所定の状態でそれそれ作動する第１及び第２
リミットスイッチと、空気圧源と、空気圧シリンダのシ
リンダ室と空気圧源との間を連通又は遮断する第１空気
圧方向切換ソレノイドバルブと、空気圧シリンダのシリ
ンダ室と金型キャビテイとの間を連通又は遮断する第２
空気圧方向切換ソレノイドパルブと、空気圧シリンタの
シリンダ室と連通ずる空気圧通路を大気圧へ開放又は閉
鎖する第１空気圧排出切換ソレノイドパルブと、金型キ
ャビイテイと連通ずる空気圧通路を大気圧に開放又は閉
鎖する第２空気圧排出切換ゾレノイドバルブと、金型キ
ャビイテイに連通ずる空気圧通路の空気圧が設定値以上
にならないように制御する空気圧リリーフ弁と、を有し
、上記各ソレノイドパルブの作動は、第１及び第２リミ
ットスイッチからの信号、射出成形機の行程に対応する
信号及びタイマー信号により制御される金型キャビイテ
イ内圧力制御装置。A hydraulic source, a hydraulic cylinder, a hydraulic direction switching solenoid valve that switches and controls the supply of hydraulic pressure from the hydraulic source to the hydraulic cylinder, a pneumatic cylinder coupled to the hydraulic cylinder, and a volume of a cylinder chamber of the pneumatic cylinder. The first and second parts operate in a predetermined state of small volume and large volume, respectively.
a limit switch, a pneumatic source, a first pneumatic directional solenoid valve that communicates or blocks communication between the cylinder chamber of the pneumatic cylinder and the pneumatic source, and communicates or blocks communication between the cylinder chamber of the pneumatic cylinder and the mold cavity. Second
a pneumatic directional solenoid valve, a first pneumatic discharge switching solenoid valve that opens or closes the pneumatic passage communicating with the cylinder chamber of the pneumatic cylinder to atmospheric pressure; and a first pneumatic discharge switching solenoid valve that opens or closes the pneumatic passage communicating with the mold cavity to atmospheric pressure; It has a second pneumatic discharge switching solenoid valve, and a pneumatic relief valve that controls the pneumatic pressure in the pneumatic passage communicating with the mold cavity to not exceed a set value, and the operation of each of the solenoid valves is controlled by the first and second solenoid valves. A mold cavity pressure control device that is controlled by a signal from a limit switch, a signal corresponding to the stroke of the injection molding machine, and a timer signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8948484U JPS615623U (en) | 1984-06-18 | 1984-06-18 | Mold cavity pressure control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8948484U JPS615623U (en) | 1984-06-18 | 1984-06-18 | Mold cavity pressure control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS615623U true JPS615623U (en) | 1986-01-14 |
| JPH0235471Y2 JPH0235471Y2 (en) | 1990-09-26 |
Family
ID=30643606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8948484U Granted JPS615623U (en) | 1984-06-18 | 1984-06-18 | Mold cavity pressure control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS615623U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54123173A (en) * | 1978-03-18 | 1979-09-25 | Asahi Chem Ind Co Ltd | Method of monitoring molding process for hollow or foamed shapes |
-
1984
- 1984-06-18 JP JP8948484U patent/JPS615623U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54123173A (en) * | 1978-03-18 | 1979-09-25 | Asahi Chem Ind Co Ltd | Method of monitoring molding process for hollow or foamed shapes |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0235471Y2 (en) | 1990-09-26 |
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