JPH0393117U - - Google Patents
Info
- Publication number
- JPH0393117U JPH0393117U JP56590U JP56590U JPH0393117U JP H0393117 U JPH0393117 U JP H0393117U JP 56590 U JP56590 U JP 56590U JP 56590 U JP56590 U JP 56590U JP H0393117 U JPH0393117 U JP H0393117U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- injection
- predetermined
- injection molding
- pressure holding
- 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
- 238000001746 injection moulding Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000004886 process control Methods 0.000 claims description 5
- 238000005429 filling process Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000012778 molding material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案の射出成形機の工程制御装置の
原理ブロツク図、第２図は本考案の実施例の射出
成形機の構成図、第３図は第２図の射出成形機の
可変容量ポンプの制御回路図、第４図は本考案の
他の実施例の工程制御装置の構成図、第５図は第
４図の制御装置の制御処理フローチヤート、第６
図は従来の射出成形機の構成図、第７図は第６図
の射出成形機の制御回路図、第８図は他の従来の
射出成形機の構成図、第９図は第８図の射出成形
機の制御回路図である。
符号の説明、１，１０１，２０１……スクリユ
、２，１０２，２０２，……射出シリンダ、３，
４……金型、５，１０５，２０５……ラツク、６
，１０６，２０６……ピニオン、７，１０７，２
０７……位置検出用ポテンシヨメータ、８〜１１
，１０８〜１１１，２０８〜２１１……位置設定
用ポテンシヨメータ、９，１０９，２０９……射
出ピストン、２０……位置検出器、３０……位置
設定器、４０……時間設定器、５０……マイクロ
コンピユータ装置、５１……入力装置、５２……
プログラム演算処理装置、５３……出力装置、６
０……速度設定器、７０……保圧圧力設定器、２
１６，２１７……増幅器、３１０……射出速度・
位置設定手段、３２０……保圧圧力・時間設定手
段、３３０……充填工程制御手段、３４０……保
圧工程制御手段、３５０……工程切換手段、３６
０……可変容量ポンプ、３７０……射出・保圧手
段、３８０……位置検出手段、Ｍ１，ｍ１，Ｍ３
〜Ｍ９，ｍ１０……ソレノイドバルブ、Ｆ１〜Ｆ
５……フローコントロールバルブ、Ｃ１〜Ｃ５…
…チエツクバルブ、ｆ１……電磁フローコントロ
ールバルブ、ｒ……電磁リリーフバルブ、ＰＦ１
，ＰＦ２……定吐出油圧ポンプ、ＰＦ３……可変
容量ポンプ。
Figure 1 is a principle block diagram of the process control device of the injection molding machine of the present invention, Figure 2 is a block diagram of the injection molding machine of the embodiment of the present invention, and Figure 3 is the variable capacity of the injection molding machine of Figure 2. FIG. 4 is a block diagram of a process control device according to another embodiment of the present invention; FIG. 5 is a control processing flowchart of the control device in FIG. 4; FIG.
Figure 7 is a configuration diagram of a conventional injection molding machine, Figure 7 is a control circuit diagram of the injection molding machine shown in Figure 6, Figure 8 is a configuration diagram of another conventional injection molding machine, and Figure 9 is a diagram of the injection molding machine shown in Figure 8. It is a control circuit diagram of an injection molding machine. Explanation of symbols: 1, 101, 201... Screw, 2, 102, 202,... Injection cylinder, 3,
4...Mold, 5,105,205...Rack, 6
,106,206...Pinion, 7,107,2
07...Position detection potentiometer, 8 to 11
, 108-111, 208-211...Position setting potentiometer, 9,109,209...Injection piston, 20...Position detector, 30...Position setting device, 40...Time setting device, 50... ...Microcomputer device, 51...Input device, 52...
Program arithmetic processing unit, 53...Output device, 6
0... Speed setting device, 70... Holding pressure setting device, 2
16,217...Amplifier, 310...Injection speed/
Position setting means, 320... Holding pressure/time setting means, 330... Filling process control means, 340... Holding pressure process control means, 350... Process switching means, 36
0...Variable capacity pump, 370...Injection/pressure holding means, 380...Position detection means, M1, m1, M3
~M9, m10...Solenoid valve, F1~F
5...Flow control valve, C1 to C5...
...Check valve, f1...Solenoid flow control valve, r...Solenoid relief valve, PF1
, PF2... constant discharge hydraulic pump, PF3... variable displacement pump.
補正 平３．１．２５
図面の簡単な説明を次のように補正する。
明細書第２３頁第１８行目の「２，１０２，２
０２」を『２，１０２，１０３，１０４，２０２
，２０３，２０４』と補正する。
明細書第２４頁第１５行目の「保圧圧力設定器
」を『圧力設定器』と補正する。
明細書第２５頁第１２行目の「可変容量ポンプ
。」を『可変容量ポンプ、』と補正する。
明細書第２５頁第１３行目に『Ｒ１，Ｒ２，Ｒ
３…リリーフバルブ。』を加入する。Amendment 3.1.25 Hei 3.1.25 The brief description of the drawing is amended as follows. “2,102,2” on page 23, line 18 of the specification
02” to “2,102,103,104,202
, 203, 204''. "Holding pressure setting device" on page 24, line 15 of the specification is corrected to "pressure setting device.""Variable displacement pump." on page 25, line 12 of the specification is corrected to "variable displacement pump." On page 25, line 13 of the specification, “R1, R2, R
3...Relief valve. ” Add.
Claims (1)
を駆動する油の流量制御および圧力制御可能な可
変容量ポンプと、 射出工程において、射出・保圧手段の位置が所
定の位置に到達した場合所定の流量指令を前記可
変容量ポンプに出力して前記射出・保圧手段が所
定の射出速度で移動されるように制御する充填工
程制御手段と、 保圧工程において、所定の保圧時間だけ所定の
保圧圧力が前記射出・保圧手段に印加されるよう
に圧力指令を前記可変容量ポンプに出力する保圧
工程制御手段とを 備えたことを特徴とする射出成形機の工程制御装
置。[Scope of Claim for Utility Model Registration] In an injection molding machine, a variable displacement pump capable of controlling the flow rate and pressure of oil that drives the injection/pressure holding means that injects and holds the injection molding material; filling process control means for controlling the injection/pressure holding means to move at a predetermined injection speed by outputting a predetermined flow rate command to the variable displacement pump when the pressure means reaches a predetermined position; In the pressure holding process, the pressure holding process control means outputs a pressure command to the variable displacement pump so that a predetermined holding pressure is applied to the injection/pressure holding means for a predetermined pressure holding time. Characteristic process control device for injection molding machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56590U JPH0393117U (en) | 1990-01-10 | 1990-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56590U JPH0393117U (en) | 1990-01-10 | 1990-01-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0393117U true JPH0393117U (en) | 1991-09-24 |
Family
ID=31504507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56590U Pending JPH0393117U (en) | 1990-01-10 | 1990-01-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0393117U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62199421A (en) * | 1986-02-27 | 1987-09-03 | Japan Steel Works Ltd:The | Method for molding control of injection molding machine using variable pump |
-
1990
- 1990-01-10 JP JP56590U patent/JPH0393117U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62199421A (en) * | 1986-02-27 | 1987-09-03 | Japan Steel Works Ltd:The | Method for molding control of injection molding machine using variable pump |
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