JPH0437322U - - Google Patents
Info
- Publication number
- JPH0437322U JPH0437322U JP7831190U JP7831190U JPH0437322U JP H0437322 U JPH0437322 U JP H0437322U JP 7831190 U JP7831190 U JP 7831190U JP 7831190 U JP7831190 U JP 7831190U JP H0437322 U JPH0437322 U JP H0437322U
- Authority
- JP
- Japan
- Prior art keywords
- screw
- resin pressure
- drive device
- heating cylinder
- pressure sensor
- 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
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図ないし第３図は本考案の第１実施例を示
すもので、第１図は本考案に係る内圧除去装置の
構成図、第２図は制御装置のブロツク図、第３図
は本考案の作動のフロー図である。また第４図な
いし第６図は本考案の第２実施例を示すもので、
第４図は本内圧除去装置の構成図、第５図は制御
装置のブロツク図、第６図は本装置の作動のフロ
ー図である。
１……加熱シリンダ、２……射出ノズル、３…
…スクリユ、４……回転用駆動装置、５……移動
用駆動装置、１２，１２Ａ……制御装置、Ｊ……
樹脂。
1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a block diagram of an internal pressure removing device according to the present invention, FIG. 2 is a block diagram of a control device, and FIG. FIG. 3 is a flow diagram of the operation of the invention. Moreover, FIGS. 4 to 6 show a second embodiment of the present invention,
FIG. 4 is a block diagram of the internal pressure removing device, FIG. 5 is a block diagram of the control device, and FIG. 6 is a flow diagram of the operation of the device. 1... Heating cylinder, 2... Injection nozzle, 3...
...Screw, 4...Rotation drive device, 5...Movement drive device, 12, 12A...Control device, J...
resin.
Claims (1)
スクリユが挿入され、該スクリユにはスクリユを
周方向に回転させる回転用駆動装置と、スクリユ
を軸方向に進退させる移動用駆動装置が付設され
た射出成形機において、上記加熱シリンダには、
加熱シリンダ内のスクリユ前部の樹脂圧を検出す
る樹脂圧センサが設けられ、該樹脂圧センサには
、樹脂圧センサから出力される検出信号を受けて
予め設定された設定圧力と比較し、加熱シリンダ
内の樹脂圧が設定圧力以下となつた場合に、移動
用駆動装置によるスクリユの後退移動を停止させ
る制御装置が接続されたことを特徴とする射出成
形機における内圧除去装置。 An injection molding machine in which a screw is inserted into a heating cylinder to which an injection nozzle is attached, and the screw is equipped with a rotation drive device that rotates the screw in the circumferential direction and a movement drive device that moves the screw forward and backward in the axial direction. In the above heating cylinder,
A resin pressure sensor is provided to detect the resin pressure at the front of the screw in the heating cylinder, and the resin pressure sensor receives a detection signal output from the resin pressure sensor and compares it with a preset pressure, 1. An internal pressure removing device for an injection molding machine, characterized in that a control device is connected to stop the backward movement of a screw by a moving drive device when the resin pressure in the cylinder falls below a set pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990078311U JPH0547624Y2 (en) | 1990-07-24 | 1990-07-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990078311U JPH0547624Y2 (en) | 1990-07-24 | 1990-07-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0437322U true JPH0437322U (en) | 1992-03-30 |
| JPH0547624Y2 JPH0547624Y2 (en) | 1993-12-15 |
Family
ID=31621473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990078311U Expired - Lifetime JPH0547624Y2 (en) | 1990-07-24 | 1990-07-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0547624Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2002960A1 (en) | 2007-06-11 | 2008-12-17 | Fanuc Ltd | Injection molding machine |
| JP2014028491A (en) * | 2012-07-31 | 2014-02-13 | Meiki Co Ltd | Method for controlling an injection molding machine and injection molding machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01148526A (en) * | 1987-12-07 | 1989-06-09 | Toyo Mach & Metal Co Ltd | Device for controlling suck-back of injection molder |
| JPH02204017A (en) * | 1989-02-01 | 1990-08-14 | Japan Steel Works Ltd:The | Method and apparatus for controlling injection molder |
-
1990
- 1990-07-24 JP JP1990078311U patent/JPH0547624Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01148526A (en) * | 1987-12-07 | 1989-06-09 | Toyo Mach & Metal Co Ltd | Device for controlling suck-back of injection molder |
| JPH02204017A (en) * | 1989-02-01 | 1990-08-14 | Japan Steel Works Ltd:The | Method and apparatus for controlling injection molder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2002960A1 (en) | 2007-06-11 | 2008-12-17 | Fanuc Ltd | Injection molding machine |
| US7806675B2 (en) | 2007-06-11 | 2010-10-05 | Fanuc Ltd | Injection molding machine with resin pressure gradient detection |
| JP2014028491A (en) * | 2012-07-31 | 2014-02-13 | Meiki Co Ltd | Method for controlling an injection molding machine and injection molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0547624Y2 (en) | 1993-12-15 |
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