JP2649957B2 - Injection molding machine door device - Google Patents
Injection molding machine door deviceInfo
- Publication number
- JP2649957B2 JP2649957B2 JP21478888A JP21478888A JP2649957B2 JP 2649957 B2 JP2649957 B2 JP 2649957B2 JP 21478888 A JP21478888 A JP 21478888A JP 21478888 A JP21478888 A JP 21478888A JP 2649957 B2 JP2649957 B2 JP 2649957B2
- Authority
- JP
- Japan
- Prior art keywords
- door
- dog
- turned
- injection molding
- molding machine
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/84—Safety devices
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 この発明は、射出成形機が備える扉に関する。Description: TECHNICAL FIELD The present invention relates to a door provided in an injection molding machine.
従来技術 射出成形機は危険を防止するためやデザイン上から種
々なカバーやシールドを備える。2. Description of the Related Art Injection molding machines are provided with various covers and shields in order to prevent danger and design.
例えば、第5,6図に示すように、型締ユニットを覆う
カバーａには金型の交換や金型のクランプ状況の点検な
どに便利なように金型取付け部分の正面側に引戸式の扉
ｂが、後面側に一側をヒンジで回転可能に取付けた回動
式の扉ｃがそれぞれ設けられ、パージシールドｄには、
射出ユニットが旋回（シーベル）するときシリンダアッ
センブリ先端のノズル部分が支障なく回動できるように
正面が回動式の扉ｅとされている。For example, as shown in FIGS. 5 and 6, a cover a that covers the mold clamping unit is provided with a sliding door on the front side of the mold mounting portion so as to be convenient for exchanging the mold and checking the clamping condition of the mold. A door b is provided on the rear side with a pivotable door c that is rotatably mounted on one side with a hinge, and a purge shield d includes:
The front surface is a pivotable door e so that the nozzle portion at the tip of the cylinder assembly can pivot without any trouble when the injection unit pivots (sebel).
また、下部の機枠ｆ部分には強電盤などを遮蔽する正
面および後面のドアパネルg,g′が一側のヒンジで回動
可能に取付けられている。In addition, front and rear door panels g and g 'for shielding a high-power board and the like are rotatably attached to the lower machine frame f by one hinge.
そして、これらの扉にはその安全目的を達成するため
に、閉じ状態を確認する検出信号が配置されていて、検
出装置から扉閉の信号がないと射出成形機が作動しない
ように構成されている。In order to achieve the safety purpose of these doors, a detection signal for confirming a closed state is arranged, and the injection molding machine is configured not to operate without a door closing signal from the detection device. I have.
しかし、従来の検出装置はリミットスイッチなど、扉
が閉じることで作動されるスイッチを１個備えた構成を
基本としているので、このスイッチの作動が不調であっ
てもそのことを自己診断できず、若干の不都合と危険を
伴う。However, since the conventional detection device is basically provided with one switch, such as a limit switch, which is operated by closing a door, even if the operation of this switch is malfunctioning, it cannot be self-diagnosed. With some inconvenience and danger.
すなわち、扉閉の状態ではじめてオンとなるのがスイ
ッチの正常な作動である場合に、スイッチが不調で扉が
完全に閉じていないにもかかわらずオン状態になると、
制御装置は扉閉の状態であるものと判断して射出成形機
を作動させてしまう。逆に、扉閉が完了しているにもか
かわらず、スイッチがオンとならないために射出成形機
が作動しない場合もある。In other words, if it is the normal operation of the switch that is turned on for the first time with the door closed, if the switch is malfunctioning and the door is not completely closed, but is turned on,
The control device determines that the door is in the closed state and operates the injection molding machine. Conversely, the injection molding machine may not operate because the switch is not turned on even though the door is closed.
発明が解決しようとする課題 この発明は、扉開の状態と扉閉の状態、およびこれら
の両状態を検出する装置の不調をも伝達できる、射出成
形機における扉装置の提供を課題とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a door device in an injection molding machine that can transmit a door open state, a door closed state, and a malfunction of a device that detects both of these states.
課題を解決するための手段 射出成形機における扉とその近傍の固定側部分との間
にドグと２個のドグスイッチからなる検出装置を設け
る。Means for Solving the Problems A detection device comprising a dog and two dog switches is provided between a door and a fixed side portion near the door in an injection molding machine.
検出装置は２個のドグスイッチとドグのいずれか一方
を前記扉に、他方を前記固定側部分に固定する。The detection device fixes one of the two dog switches and the dog to the door, and fixes the other to the fixed side portion.
２個のドグスイッチに対しドグを、扉閉の状態でドグ
スイッチのいずれか一方がオン、他方をオフ、扉開の状
態で逆に前記一方のドグスイッチがオフ、前記他方のド
グスイッチがオンとなる位置に配する。With the dog for the two dog switches, one of the dog switches is turned on when the door is closed, the other is turned off, and when the door is open, the one dog switch is turned off and the other dog switch is turned on and the other dog switch is turned on. Distribute.
作 用 ２個のドグスイッチにおけるオン・オフの異なる組み
あわせは、扉の閉じ状態、開き状態を伝達する。The different combinations of ON / OFF of the two dog switches transmit the closed state and the open state of the door.
２個のドグスイッチを常時、一方がオン、他方がオフ
の状態とする構成は、これらドグスイッチの作動不調を
検出可能とする。A configuration in which the two dog switches are always on, one is on, and the other is off, can detect malfunction of these dog switches.
実施例 第１図（イ）（ロ）は前記の扉ｃの個所を示し、扉１
は回動式のもので、近傍のカバー２の端部に、一側のヒ
ンジ３で回動可能に取付けられている。符号４はフロン
トプラテン側のカバーである。Embodiment FIGS. 1 (a) and 1 (b) show the location of the door c, and FIG.
Is a rotatable type, which is rotatably attached to one end of a cover 2 in the vicinity by a hinge 3 on one side. Reference numeral 4 denotes a cover on the front platen side.
可動の扉１に対し、前記のカバー2,4や機枠５は射出
成形機の固定側部分である。With respect to the movable door 1, the covers 2, 4 and the machine frame 5 are fixed portions of the injection molding machine.
扉１のヒンジ３側で下部には、ほぼ扇形をしたドグ６
が固定され、また、これに対応して機枠５に、ドグによ
り操作されるドグスイッチとしてのリミットスイッチ7,
8が配置されて検出装置を構成している。これらリミッ
トスイッチ7,8のオン・オフは信号として射出成形機の
制御部に伝達される。A substantially fan-shaped dog 6 is provided at the lower part of the door 1 on the hinge 3 side.
Is fixed, and correspondingly, a limit switch 7 as a dog switch operated by a dog is attached to the machine frame 5.
8 constitute a detection device. The ON / OFF of these limit switches 7, 8 is transmitted as a signal to the control unit of the injection molding machine.
ドグ６はヒンジ３の軸を中心とした円弧に沿うほぼ扇
形の平坦な板体で、押圧面９の両端に傾斜としたガイド
部10,11を設けている。リミットスイッチ7,8は第１図
（イ）のように、扉閉の状態においてローラ付きアーマ
チュア12,13の先端がドグ６のガイド部7,8の位置に来る
ようにして固定され、扉閉の状態で前記ドグ６によりリ
ミットスイッチ７がオフ、同８がオンとなり、扉開の状
態では第１図（ロ）のように、移動したドグ６により前
記とは逆にリミットスイッチ７がオン、リミットスイッ
チ８がオフとなるようにされている。The dog 6 is a substantially fan-shaped flat plate along an arc centered on the axis of the hinge 3, and has guide portions 10 and 11 inclined at both ends of the pressing surface 9. The limit switches 7 and 8 are fixed such that the ends of the armatures 12 and 13 with rollers come to the positions of the guide portions 7 and 8 of the dog 6 when the door is closed, as shown in FIG. The limit switch 7 is turned off by the dog 6 and the limit switch 8 is turned on by the dog 6. In the state where the door is open, the limit switch 7 is turned on by the moved dog 6 in the opposite direction as shown in FIG. The limit switch 8 is turned off.
この実施例でリミットスイッチ7,8のオンは第４図
（Ａ）のようにドグ６がこれらのリミットスイッチを踏
んだ時であり、オフは同図（Ｂ）のように、リミットス
イッチ7,8のアーマチュアが解放されたときである。リ
ミットスイッチ８は扉１がわずかでも開いた時オフとな
るようにそのアーマチュアの先端は扉閉の状態において
ガイド部11と押圧面９との境界位置となるようにし、リ
ミットスイッチ７は同様にしてオンとなるようにしてい
る。In this embodiment, the limit switches 7, 8 are turned on when the dog 6 steps on these limit switches as shown in FIG. 4 (A), and turned off as shown in FIG. 4 (B). When the 8 armatures are released. The limit switch 8 is turned off when the door 1 is opened even slightly, so that the end of the armature is located at the boundary between the guide portion 11 and the pressing surface 9 when the door is closed. It is turned on.
今、射出成形機の制御部に、リミットスイッチ７がオ
フでリミットスイッチ８がオンの場合は扉閉じの状態、
オン・オフが逆の場合は扉開の状態とし、それ以外の場
合は異常として設定しておく。そして、扉１をきちんと
閉じると第１図（イ）の状態となり、リミットスイッチ
７がオフ、同８がオンとなるから、射出成形機の制御部
は扉閉と判断し、他の状況に支障がない限り、射出成形
機を作動する。Now, in the control unit of the injection molding machine, when the limit switch 7 is off and the limit switch 8 is on, the door is closed,
If the ON / OFF is reversed, the door is opened, otherwise, it is set as abnormal. When the door 1 is properly closed, the state shown in FIG. 1A is obtained, and the limit switch 7 is turned off and the limit switch 8 is turned on. Therefore, the control unit of the injection molding machine determines that the door is closed and hinders other situations. Operate the injection molding machine unless otherwise.
また、第１図（ロ）のように、扉１を開くと、リミッ
トスイッチ７がオン、同８がオフと前記の状態とは逆の
信号が送られるから制御部は扉開の状態にあると判断
し、射出成形機を停止ないし作動させない。Also, as shown in FIG. 1 (b), when the door 1 is opened, the limit switch 7 is turned on, and the limit switch 8 is turned off, so that a signal opposite to the above state is sent, so that the control unit is in the door open state. And do not stop or operate the injection molding machine.
リミットスイッチ7,8が不調の場合、信号はいずれの
リミットスイッチもオンかオフとなるから制御部は扉の
検出状態に異常があると判断し、アラームを発するか、
射出成形機を停止ないし作動させない。なお、この実施
例では、２個のリミットスイッチのいずれかが不調にな
ることに付いて考慮し、２個のリミットスイッチが共に
不調で、しかも、オン・オフの組合せがまったく逆にな
るような場合は、ほとんど生じないとして考慮していな
い。If the limit switches 7 and 8 are malfunctioning, the signal will turn on or off any of the limit switches, so the control unit determines that there is an abnormality in the detection state of the door, and issues an alarm,
Do not stop or run the injection molding machine. In this embodiment, taking into consideration that one of the two limit switches becomes malfunctioning, both the two limit switches are malfunctioning, and the combination of ON and OFF is completely reversed. If you do not consider it as unlikely to occur.
第２図はヒンジ３により回動する扉１に関する第２の
実施例を示し、前記第１の実施例におけるリミットスイ
ッチ８をフロントプラテン側の固定部分に取付け、扉１
のヒンジとは反対側にこのスイッチ８を作動するドグ14
を取り付けたものである。このリミットスイッチ８のア
ーマチュア先端は、やはりドグの押圧面とガイド面の境
界で、扉１がわずかに開き状態となるだけでオン・オフ
が転換する位置にあり、また、他方のリミットスイッチ
７はドグ６の押圧面９により作動される。FIG. 2 shows a second embodiment relating to the door 1 which is rotated by the hinge 3. The limit switch 8 in the first embodiment is attached to a fixed portion on the front platen side.
Dog 14 which operates this switch 8 on the side opposite to the hinge of
Is attached. The end of the armature of the limit switch 8 is also located at the boundary between the pressing surface of the dog and the guide surface, at a position where the on / off is switched only by slightly opening the door 1, and the other limit switch 7 is Activated by the pressing surface 9 of the dog 6.
第３図は第１図に符号ｂで示したような引戸15に関す
る実施例で、引戸15の下部に両端が傾斜ガイド部16,17
とされた直線状のドグ18が取付けられ、該ドグ18で操作
される位置にリミットスイッチ19,20が配置されてい
る。リミットスイッチ19,20のオン・オフ関係は第１実
施例の場合と同じである。FIG. 3 shows an embodiment relating to the sliding door 15 as indicated by reference numeral b in FIG.
A linear dog 18 is attached, and limit switches 19 and 20 are arranged at positions operated by the dog 18. The ON / OFF relationship of the limit switches 19 and 20 is the same as in the first embodiment.
以上、実施例として各個の扉に付いて説明したが、実
際には複数の扉の開閉が同時に制御部で監視されてい
る。また、ドグやドグスイッチの配置およびドグとドグ
スイッチのいずれが固定側かは相対的なものであるか
ら、実施例の場合に限る必要はない。さらに、ドグとド
グスイッチは実施例のような接触型に限らず、近接スイ
ッチも利用できる。As described above, each of the doors has been described as an embodiment, but actually, the opening and closing of a plurality of doors are simultaneously monitored by the control unit. Further, since the arrangement of the dog and the dog switch and which one of the dog and the dog switch is fixed is relative, it is not necessary to limit the embodiment to the embodiment. Further, the dog and the dog switch are not limited to the contact type as in the embodiment, and a proximity switch can also be used.
発明の効果 扉閉、扉開の状態を確実に検出でき、射出成形機の安
全性が向上する。Advantageous Effects of the Invention The state of door closing and door opening can be reliably detected, and the safety of the injection molding machine is improved.
ドグスイッチの不調を自己診断できる。 Self-diagnosis of dog switch malfunction.
第１図（イ）（ロ）は断面にて示す平面図、第２図は断
面にて示す平面図、第３図は正面図、第４図（Ａ）
（Ｂ）は一部の側面図、第５図は正面図、第６図は平面
図である。 １……扉、２……カバー、５……機枠、６……ドグ、7,
8……リミットスイッチ。FIGS. 1 (a) and 1 (b) are plan views showing sections, FIG. 2 is a plan view showing sections, FIG. 3 is a front view, and FIG. 4 (A).
(B) is a partial side view, FIG. 5 is a front view, and FIG. 6 is a plan view. 1 ... door, 2 ... cover, 5 ... machine frame, 6 ... dog, 7,
8 Limit switch.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 岩月 正幸 山梨県南都留郡忍野村忍草字古馬場3580 番地 ファナック株式会社商品開発研究 所内 (56)参考文献 実開 昭58−58509（ＪＰ，Ｕ) ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Masayuki Iwazuki 3580 Kobaba, Oshino-za, Oshino-mura, Minamitsuru-gun, Yamanashi Prefecture FANUC CORPORATION Product Development Laboratory (56) References Real Opening Sho 58-58509 (JP, U)
Claims (2)
イッチとドグのいずれか一方を扉に、他方を固定側部分
に固定し、２個のドグスイッチに対しドグを、扉閉の状
態でドグスイッチのいずれか一方をオン、他方をオフと
し、扉開の状態で前記一方のドグスイッチをオフ、前記
他方のドグスイッチをオンとする位置に配してあること
を特徴とした射出成形機の扉装置。1. One of two dog switches and a dog are fixed to a door and the other is fixed to a fixed side portion on a door and a fixed side portion near the door, and the dog is closed for the two dog switches and the door is closed. In the injection molding machine, one of the dog switches is turned on in the state, the other is turned off, and the one dog switch is turned off when the door is open and the other dog switch is turned on. Door device.
に取付けた回動式のものであることを特徴とした請求項
１に記載の扉装置。2. The door device according to claim 1, wherein the door is of a pivot type which is rotatably attached to a fixed portion by a hinge on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21478888A JP2649957B2 (en) | 1988-08-31 | 1988-08-31 | Injection molding machine door device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21478888A JP2649957B2 (en) | 1988-08-31 | 1988-08-31 | Injection molding machine door device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0263714A JPH0263714A (en) | 1990-03-05 |
| JP2649957B2 true JP2649957B2 (en) | 1997-09-03 |
Family
ID=16661542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21478888A Expired - Fee Related JP2649957B2 (en) | 1988-08-31 | 1988-08-31 | Injection molding machine door device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2649957B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160129531A (en) * | 2015-04-30 | 2016-11-09 | 주식회사 유도 | controller of injection molding machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04278322A (en) * | 1991-03-07 | 1992-10-02 | Nissei Plastics Ind Co | Safety door of injection molder |
| JPH081066Y2 (en) * | 1992-08-27 | 1996-01-17 | 株式会社新潟鉄工所 | Hydraulic safety device for injection molding machine |
-
1988
- 1988-08-31 JP JP21478888A patent/JP2649957B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160129531A (en) * | 2015-04-30 | 2016-11-09 | 주식회사 유도 | controller of injection molding machine |
| KR101703889B1 (en) * | 2015-04-30 | 2017-02-07 | 주식회사 유도 | controller of injection molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0263714A (en) | 1990-03-05 |
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