JPH0216255U - - Google Patents
Info
- Publication number
- JPH0216255U JPH0216255U JP1989036232U JP3623289U JPH0216255U JP H0216255 U JPH0216255 U JP H0216255U JP 1989036232 U JP1989036232 U JP 1989036232U JP 3623289 U JP3623289 U JP 3623289U JP H0216255 U JPH0216255 U JP H0216255U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- injection
- injection cylinder
- detected
- value
- 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
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 238000004512 die casting Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は射出圧力管理装置の外観図、第２図は
第１図の一部断面図、第３図は第２図の―線
断面図、第４図は圧力検出部のブリツジ回路図、
第５図は射出圧力管理装置のブロツク構成図、第
６図は圧力変化状態を示すオシログラフ図、第７
図はタイムチヤート、および第８図は射出成形機
の射出圧力変化と計測指令タイミングを示す線図
である。
１０…圧力検出部、１３…演算部、１４…モー
ド切換スイツチ、１５…設定手段としての設定釦
、１９，２０…ＬＥＤ、２１…警報器、２２…表
示手段。
Fig. 1 is an external view of the injection pressure management device, Fig. 2 is a partial sectional view of Fig. 1, Fig. 3 is a sectional view taken along the line - - in Fig. 2, Fig. 4 is a bridge circuit diagram of the pressure detection section,
Fig. 5 is a block diagram of the injection pressure control device, Fig. 6 is an oscillograph diagram showing pressure change states, and Fig. 7 is a block diagram of the injection pressure control device.
The figure is a time chart, and FIG. 8 is a diagram showing changes in injection pressure of the injection molding machine and measurement command timing. DESCRIPTION OF SYMBOLS 10... Pressure detection part, 13... Calculation part, 14... Mode changeover switch, 15... Setting button as a setting means, 19, 20... LED, 21... Alarm, 22... Display means.
Claims (1)
検出部と、 前記射出シリンダの圧力が増圧したときに得ら
れる圧力値に基づいて設定される第１の圧力値、
およびこの第１の圧力値より所定値増圧した第２
の圧力値をそれぞれ設定する手段と、 前記圧力検出部により検出された圧力が前記第
１の圧力値を越えて第２の圧力値に至るまでを計
時する手段、および当該計時手段で計時された時
間が所定設定時間内にあるか否かを比較処理する
手段を含む演算装置と、 前記演算装置における比較処理結果を表示する
手段と、 を備えたことを特徴とするダイカストマシンの射
出圧力管理装置。 (2) 射出シリンダの油圧回路に連結された圧力
検出部と、 前記射出シリンダの圧力が増圧したときに検出
される圧力が許容範囲内にあるか否かを比較する
手段を備えた演算装置と、 前記比較した結果を表示する表示手段と、 を備えたことを特徴とするダイカストマシンの射
出圧力管理装置。 (3) 射出シリンダの油圧回路に連結された圧力
検出部と、 前記射出シリンダの圧力が上昇して所定の計測
指令信号が出力された際に、検出圧力が予め設定
した許容範囲内にあるか否かを判断する演算装置
と、 前記許容範囲の上下限値を設定するための設定
手段と、 前記検出圧力が許容範囲外にあるときに警報を
発する警報器を含む表示手段と、 を備えたことを特徴とする射出成形機の射出圧力
管理装置。[Claims for Utility Model Registration] (1) A pressure detection unit connected to a hydraulic circuit of an injection cylinder, and a first pressure set based on a pressure value obtained when the pressure of the injection cylinder increases. value,
and a second pressure increased by a predetermined value from this first pressure value.
means for setting respective pressure values; means for timing the time from when the pressure detected by the pressure detection section exceeds the first pressure value to the second pressure value; An injection pressure management device for a die-casting machine, comprising: a calculation device including means for performing comparison processing to determine whether or not time is within a predetermined set time; and means for displaying a comparison processing result in the calculation device. . (2) A calculation device comprising a pressure detection unit connected to a hydraulic circuit of an injection cylinder, and means for comparing whether or not the pressure detected when the pressure of the injection cylinder increases is within an allowable range. An injection pressure management device for a die-casting machine, comprising: a display means for displaying the comparison results. (3) A pressure detection unit connected to the hydraulic circuit of the injection cylinder, and a device that detects whether the detected pressure is within a preset allowable range when the pressure of the injection cylinder increases and a predetermined measurement command signal is output. an arithmetic device for determining whether the detected pressure is outside the allowable range; a setting means for setting the upper and lower limits of the permissible range; and a display means including an alarm that issues an alarm when the detected pressure is outside the permissible range. An injection pressure control device for an injection molding machine characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989036232U JPH0329003Y2 (en) | 1988-03-29 | 1989-03-28 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4173888 | 1988-03-29 | ||
| JP1989036232U JPH0329003Y2 (en) | 1988-03-29 | 1989-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0216255U true JPH0216255U (en) | 1990-02-01 |
| JPH0329003Y2 JPH0329003Y2 (en) | 1991-06-20 |
Family
ID=31717770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989036232U Expired JPH0329003Y2 (en) | 1988-03-29 | 1989-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0329003Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007245231A (en) * | 2006-03-20 | 2007-09-27 | Toshiba Mach Co Ltd | Injection apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58173068A (en) * | 1982-04-01 | 1983-10-11 | Ube Ind Ltd | Method for measuring pressure increasing time in die casting machine |
| JPS58224061A (en) * | 1982-06-24 | 1983-12-26 | Ube Ind Ltd | Method for measuring pressure increasing time of die casting machine |
| JPS59174332A (en) * | 1983-03-23 | 1984-10-02 | Toshiba Mach Co Ltd | Apparatus for monitoring pressure in injection step |
-
1989
- 1989-03-28 JP JP1989036232U patent/JPH0329003Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58173068A (en) * | 1982-04-01 | 1983-10-11 | Ube Ind Ltd | Method for measuring pressure increasing time in die casting machine |
| JPS58224061A (en) * | 1982-06-24 | 1983-12-26 | Ube Ind Ltd | Method for measuring pressure increasing time of die casting machine |
| JPS59174332A (en) * | 1983-03-23 | 1984-10-02 | Toshiba Mach Co Ltd | Apparatus for monitoring pressure in injection step |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007245231A (en) * | 2006-03-20 | 2007-09-27 | Toshiba Mach Co Ltd | Injection apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0329003Y2 (en) | 1991-06-20 |
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