JPH0486222A - Mold cleaning device - Google Patents
Mold cleaning deviceInfo
- Publication number
- JPH0486222A JPH0486222A JP20140090A JP20140090A JPH0486222A JP H0486222 A JPH0486222 A JP H0486222A JP 20140090 A JP20140090 A JP 20140090A JP 20140090 A JP20140090 A JP 20140090A JP H0486222 A JPH0486222 A JP H0486222A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- cleaning fluid
- molds
- telescopic arm
- cleaning
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 40
- 238000005507 spraying Methods 0.000 claims abstract 6
- 239000007788 liquid Substances 0.000 claims description 21
- 238000001746 injection moulding Methods 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 abstract description 12
- 239000007924 injection Substances 0.000 abstract description 12
- 230000008602 contraction Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 6
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/70—Maintenance
- B29C33/72—Cleaning
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、射出成形機における金型の洗浄装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention This invention relates to a mold cleaning device for an injection molding machine.
従来技術
使用後の金型はそのキャビティや接合面およびガイドビ
ンの摺動面などを洗浄してから保管する必要があるが、
従来、洗浄は人手によって行われ、成形品の変換に佳う
金型交換に際して人手を要する面があった。After using the conventional technology, it is necessary to clean the cavity, joint surface, sliding surface of the guide bin, etc. of the mold before storing it.
Conventionally, cleaning has been performed manually, and when changing molds, which is useful for converting molded products, it requires manual labor.
発明が解決しようとする課題
この発明は、射出成形作業において、金型交換に先立ち
、射出成形機の型締部に装着されている使用済み金型を
、型締部に装着したままで自動的に洗浄することができ
る洗浄装置の提供を課題とする。Problems to be Solved by the Invention This invention has an object to automatically replace a used mold installed in the mold clamping part of an injection molding machine while it is still installed in the mold clamping part, before replacing the mold in injection molding operation. It is an object of the present invention to provide a cleaning device that can perform cleaning.
課題を解決するための手段 伸縮アームの先端に洗浄液噴射ノズルを設ける。Means to solve problems A cleaning liquid spray nozzle is provided at the tip of the telescoping arm.
伸縮アームは前記のノズルを、射出成形機の型締部外に
定めたホームポジョンと型締部に取付けられた固定側金
型および可動側金型の対向間における作動ポジションと
に位置決めできるものとする。The telescoping arm is capable of positioning the nozzle between a home position defined outside the mold clamping part of the injection molding machine and an operating position between opposing fixed and movable molds attached to the mold clamping part. do.
伸縮アームの伸縮と洗浄液噴射のタイミンク手段を設け
、該手段が射出成形機か備えたＮＣ装置により制御され
る構成とする。Timing means for the expansion and contraction of the telescoping arm and the injection of cleaning liquid is provided, and the construction is such that the means is controlled by an NC device provided in the injection molding machine.
作用
伸縮アームは型締作動時に洗浄液噴射ノズルを待避させ
（ホームポジション）、金型交換時の型開き時に前記ノ
ズルを対向した固定側金型、可動側金型間に配置する（
作動ポジション）。The working telescoping arm retracts the cleaning liquid spray nozzle (home position) during mold clamping operation, and places the nozzle between the opposing stationary mold and movable mold when the mold is opened when replacing the mold (
working position).
洗浄液噴射ノズルは、洗浄液を噴射して型締部に取付け
られた金型のキャビティ、接合面あるいはガイドピンな
どの摺動面を洗浄する。The cleaning liquid spray nozzle sprays a cleaning liquid to clean the cavity, joint surface, or sliding surface of a guide pin of a mold attached to the mold clamping part.
実施例
第１−図は射出成形機の型締部子を示し、本発明による
金型洗浄装置２を備える。Embodiment 1 - Figure 1 shows a mold clamping part of an injection molding machine, which is equipped with a mold cleaning device 2 according to the invention.
型締部１の固定プラテン３には固定側金型４が、可動プ
ラテン５には可動側金型６か装着され、図は型開き状態
にある。A fixed mold 4 is mounted on the fixed platen 3 of the mold clamping section 1, and a movable mold 6 is mounted on the movable platen 5, and the molds are shown in an open state in the figure.
金型洗浄装置２は、伸縮アーム７、アームの先端に取り
付けられた洗浄液噴出ノズル８、リミットスイッチＳお
よび射出成形機が備えたＮＣ装置９て構成される。The mold cleaning device 2 includes a telescoping arm 7, a cleaning liquid jet nozzle 8 attached to the tip of the arm, a limit switch S, and an NC device 9 provided in the injection molding machine.
伸縮アーム７はシリンダ１０とそのピストン１１からな
るエアアクチュエータで、アームの先端、すなわち、ピ
ストン１１の先端に前記の洗浄液噴出ノズル８を備えて
いる。The telescopic arm 7 is an air actuator consisting of a cylinder 10 and its piston 11, and the above-mentioned cleaning liquid jetting nozzle 8 is provided at the tip of the arm, that is, the tip of the piston 11.
シリンダ１０には電磁弁１２を介して高圧エアが接続さ
れ、洗浄液噴出ノズル８には電磁弁１３を介し、可撓性
のチューブ１４にて高圧の洗浄液が接続されている。ま
たシリンダ１０の下端にリミットスイッチＳが取付けら
れている。High-pressure air is connected to the cylinder 10 via a solenoid valve 12, and high-pressure cleaning liquid is connected to the cleaning liquid jetting nozzle 8 via a solenoid valve 13 through a flexible tube 14. Further, a limit switch S is attached to the lower end of the cylinder 10.
ピストン１１は洗浄液噴射ノズル８を−Ｊ二端のホーム
ポジションから下方の作動ポジションまで移動させ得る
一定のストロークを有する。ホームポジションは洗浄液
噴射ノズル８を金型の最上縁より上方、あるいは金型４
，６の最上縁よりも−Ｌ方の、すなわち、射出成形機の
型締時に該ノズル８が金型やプラテンと干渉しない型締
部］外の位置であり、また、作動ポジションは金型装着
位置（固定プラテン３、可動プラテン５に装着された金
型４，６間）である。The piston 11 has a constant stroke capable of moving the cleaning liquid injection nozzle 8 from the home position at the -J end to the lower operating position. The home position is to place the cleaning liquid spray nozzle 8 above the uppermost edge of the mold or the mold 4.
, 6, in other words, the nozzle 8 is located outside the mold clamping part where it does not interfere with the mold or platen during mold clamping of the injection molding machine, and the operating position is when the mold is installed. position (between the molds 4 and 6 mounted on the fixed platen 3 and the movable platen 5).
ピストン１１はさらにガイド棒１５を備え、方のガイド
棒１５にリミットスイッチＳに対する操作片１６が固定
されている。The piston 11 further includes a guide rod 15, and an operating piece 16 for a limit switch S is fixed to one of the guide rods 15.
なお、このエアアクチュエータは、シリンダ１０の内部
に戻しスプリングを備え、排気状態になると該スプリン
グによってピストン１１がすばやく引き込まれ、洗浄液
噴射ノズル８を上方のホームポジションとする。This air actuator is provided with a return spring inside the cylinder 10, and when the exhaust state is reached, the piston 11 is quickly retracted by the spring, and the cleaning liquid injection nozzle 8 is placed in the upper home position.
前記電磁弁１２は給気側と排気側を切り替える二方向切
り替え弁であり、電磁弁１３は開閉弁であり、これらは
ＮＣ装置９て切り替え、あるいは開閉が制御されるタイ
ミング手段となっている。The electromagnetic valve 12 is a two-way switching valve that switches between the air supply side and the exhaust side, and the electromagnetic valve 13 is an on-off valve, and these act as timing means whose switching or opening/closing is controlled by the NC device 9.
リミットスイッチＳは、エアアクチュエータのピストン
１１が伸び切った状態で前記のガイド棒１５の操作片１
６によって操作され、検出信号をＮＣ装置９に出力する
。The limit switch S is operated by the operating piece 1 of the guide rod 15 when the piston 11 of the air actuator is fully extended.
6 and outputs a detection signal to the NC device 9.
伸縮アーム７はスタンド１７にシリンダ１０の部分で取
付けられ、スタンド１−７か備える三軸（縦・横・垂直
）によって、それぞれにその軸回りに角度調整が可能と
なっている。The telescopic arm 7 is attached to the stand 17 at the cylinder 10, and the angle can be adjusted around each of the three axes (vertical, horizontal, and vertical) provided in the stands 1-7.
このスタンド１７は固定プラテン３の頂面に固定され、
手動で各軸の角度を調整することにより、伸縮アーム７
の姿勢、すなわち、洗浄液噴射ノズル８が移動される方
向と位置を任意に定めることができる。This stand 17 is fixed to the top surface of the fixed platen 3,
By manually adjusting the angle of each axis, the telescopic arm 7
The posture, that is, the direction and position in which the cleaning liquid injection nozzle 8 is moved can be arbitrarily determined.
射出成形機が稼働され、一つの金型による予定した量の
成形が終了すると次の成形に備えて金型が交換される。The injection molding machine is operated, and once a scheduled amount of molding is completed using one mold, the mold is replaced in preparation for the next molding.
その際、ＮＣ装置９か金型交換モードとされ、次の作動
が行われる。At that time, the NC device 9 is set to mold exchange mode and the following operation is performed.
型開き指令により、射出成形機の型締部１が型開き状態
とされ、その状態が維持される。In response to the mold opening command, the mold clamping section 1 of the injection molding machine is brought into the mold opening state, and this state is maintained.
金型洗浄指令が出され、前記の型開き状態を確認して電
磁弁１２が給気側に切り替わり、ピストン１１が伸長し
て洗浄液噴射ノズル８が作動ポジション（金型４，６間
）に配置される。A mold cleaning command is issued, and after confirming the mold opening state, the solenoid valve 12 is switched to the air supply side, the piston 11 is extended, and the cleaning liquid injection nozzle 8 is placed in the operating position (between the molds 4 and 6). be done.
リミットスイッチＳが作動していることを確認して、電
磁弁１−３が開かれ、洗浄液がノズル８から前後両方向
に噴出され、固定プラテン３、可動プラテン５に装着さ
れている金型４，６をそれぞれ洗浄する。After confirming that the limit switch S is activated, the solenoid valve 1-3 is opened, and the cleaning liquid is sprayed from the nozzle 8 in both the front and rear directions. 6. Wash each.
設定された所定時間（５〜１０秒）、あるいは数回の噴
射の後、電磁弁１３が閉じられ、洗浄液の噴射が停止さ
れる。After a set predetermined time (5 to 10 seconds) or several injections, the solenoid valve 13 is closed and the injection of the cleaning liquid is stopped.
電磁弁１２が排気側に切り替えられ、洗浄液噴射ノズル
８かホームポジションに復帰する。The solenoid valve 12 is switched to the exhaust side, and the cleaning liquid injection nozzle 8 returns to its home position.
リミットスイッチＳから検出出力のないことを確認して
、可動プラテン５が前進して金型４，６を型締状態とし
た後、これら金型をブラ戸ンに固定しているクランプを
外し、固定および可動プラテン３．５側から一対とされ
た金型４，６を解放する。After confirming that there is no detection output from the limit switch S, the movable platen 5 moves forward to clamp the molds 4 and 6, and then removes the clamps fixing these molds to the brass door. The pair of molds 4 and 6 are released from the fixed and movable platen 3.5 sides.
可動プラテン５が若干後退した後、金型が搬出される。After the movable platen 5 is slightly retracted, the mold is carried out.
したがって、使用済みの金型４，６は自動的に洗浄され
てから一対とされ、格納のため搬出される。Therefore, the used molds 4 and 6 are automatically cleaned, paired, and transported for storage.
以上は実施例である。The above is an example.
前記の実施例において、伸縮アーム７を構成しているエ
アアクチュエータはモータとボールねし・ナツト機構に
よる伸縮構造に置き換えることもできる。この場合は洗
浄液噴射ノズル８が上端のホームポジションに到達した
ことを検出するリミットスイッチＳ′を設けることがあ
る。In the above embodiment, the air actuator constituting the telescopic arm 7 can be replaced with a telescopic structure using a motor and a ball/nut mechanism. In this case, a limit switch S' may be provided to detect when the cleaning liquid injection nozzle 8 has reached the upper end home position.
リミットスイッチＳは他の位置検出センサーであっても
良い。The limit switch S may be another position detection sensor.
金型が成形キャビティを備えた中子と母型から構成され
、成形品の変更に際して、中子だけが交換される場合も
、前記と同様にして固定側中ｒ１可動側中子をこれらが
母型に取付けられている状態て洗浄することがてきる。Even if the mold consists of a core with a molding cavity and a mother mold, and only the core is replaced when changing the molded product, the fixed side middle r1 and the movable side core are replaced with the mother mold in the same way as above. It can be cleaned while attached to the mold.
中子はその後一対とされてから型締部１より搬出される
。The cores are then combined into a pair and then transported out of the mold clamping section 1.
発明の効果
射出成形機が備えたＮＣ装置により指令されて作動する
金型洗浄装置であるから、射出成形機の作動タイミング
に合わぜて自動的に金型洗浄を行え、金型交換の自動化
に際して人手を要していた過程を無くすることができる
。Effects of the Invention Since the mold cleaning device is operated by commands from the NC device included in the injection molding machine, it can automatically clean the mold in accordance with the operation timing of the injection molding machine, and is effective in automating mold replacement. Processes that required human labor can be eliminated.
図は正面図である。
２・・・金型洗浄装置 、１２・・・電磁弁、７・・・
伸縮アーム、８・・・洗浄液噴射ノズル、１３・・・電
磁弁。The figure is a front view. 2... Mold cleaning device, 12... Solenoid valve, 7...
Telescopic arm, 8...Cleaning liquid injection nozzle, 13...Solenoid valve.
Claims (1)
外に定めたホームポジョンと型締部に取付けられた固定
側金型および可動側金型の対向間における作動ポジショ
ンとに位置決めできる伸縮アーム、および前記アームの
伸縮と洗浄液噴射のタイミング手段を備え、該手段が射
出成形機が備えたＮＣ装置により制御されることを特徴
とした金型洗浄装置。A telescopic system that allows the cleaning liquid spray nozzle at the tip to be positioned between the home position set outside the mold clamping part of the injection molding machine and the operating position between the opposing fixed and movable molds attached to the mold clamping part. A mold cleaning device comprising an arm and timing means for extending and contracting the arm and spraying a cleaning liquid, the means being controlled by an NC device included in an injection molding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20140090A JPH0486222A (en) | 1990-07-31 | 1990-07-31 | Mold cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20140090A JPH0486222A (en) | 1990-07-31 | 1990-07-31 | Mold cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0486222A true JPH0486222A (en) | 1992-03-18 |
Family
ID=16440464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20140090A Pending JPH0486222A (en) | 1990-07-31 | 1990-07-31 | Mold cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0486222A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5391071A (en) * | 1993-10-29 | 1995-02-21 | Eastman Kodak Company | Apparatus and method for inspecting and cleaning lips of castings die |
| JPH081743A (en) * | 1994-06-15 | 1996-01-09 | Niigata Eng Co Ltd | Injection molding machine |
| US20200391415A1 (en) * | 2017-12-28 | 2020-12-17 | Keymical Holding Inc. | Automatic plant for cleaning moulds for tyres |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3103719B2 (en) * | 1994-06-06 | 2000-10-30 | 三造環境エンジニアリング株式会社 | Apparatus and method for heat dechlorination of dust ash |
-
1990
- 1990-07-31 JP JP20140090A patent/JPH0486222A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3103719B2 (en) * | 1994-06-06 | 2000-10-30 | 三造環境エンジニアリング株式会社 | Apparatus and method for heat dechlorination of dust ash |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5391071A (en) * | 1993-10-29 | 1995-02-21 | Eastman Kodak Company | Apparatus and method for inspecting and cleaning lips of castings die |
| JPH081743A (en) * | 1994-06-15 | 1996-01-09 | Niigata Eng Co Ltd | Injection molding machine |
| US20200391415A1 (en) * | 2017-12-28 | 2020-12-17 | Keymical Holding Inc. | Automatic plant for cleaning moulds for tyres |
| US11801620B2 (en) * | 2017-12-28 | 2023-10-31 | Keymical Holding Inc. | Automatic plant for cleaning molds for tires |
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