JP3508963B2 - Method and apparatus for detecting foam state of foam-containing liquid - Google Patents
Method and apparatus for detecting foam state of foam-containing liquidInfo
- Publication number
- JP3508963B2 JP3508963B2 JP27238395A JP27238395A JP3508963B2 JP 3508963 B2 JP3508963 B2 JP 3508963B2 JP 27238395 A JP27238395 A JP 27238395A JP 27238395 A JP27238395 A JP 27238395A JP 3508963 B2 JP3508963 B2 JP 3508963B2
- Authority
- JP
- Japan
- Prior art keywords
- foam
- containing liquid
- state
- liquid agent
- agent
- 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
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Description
【０００１】[0001]
【発明の属する技術分野】本発明は泡含有液剤の泡状態
検知方法及び泡状態検知装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foam state detecting method and a foam state detecting apparatus for a liquid agent containing foam.
【０００２】[0002]
【従来の技術】近年、産業界などでは、泡を含んだ泡含
有液剤が用いられていることが多い。この泡含有液剤
は、起泡剤を液に添加したり、空気等の気体を液に混合
したり、ガス機械的に液を攪拌したりして生成できる。2. Description of the Related Art In recent years, foam-containing liquid agents containing foam are often used in the industrial world. This foam-containing liquid agent can be produced by adding a foaming agent to the liquid, mixing a gas such as air with the liquid, or agitating the liquid mechanically.
【０００３】[0003]
【発明が解決しようとする課題】ところで泡含有液剤に
おける泡状態を検知することが要望されている。特に簡
便に検知できることが要望されている。本発明は上記し
た実情に鑑みなされたものであり、その課題は、泡含有
液剤の反発力を利用することにより、泡含有液剤の泡状
態を検知できる泡含有液剤の泡状態検知方法及び泡状態
検知装置を提供することにある。SUMMARY OF THE INVENTION By the way, it is desired to detect a foam state in a foam-containing liquid agent. There is a demand for particularly easy detection. The present invention has been made in view of the above circumstances, and its problem is to utilize the repulsive force of the foam-containing liquid agent to detect a foam state of the foam-containing liquid agent and a foam-state detecting method and a foam state of the foam-containing liquid agent. It is to provide a detection device.
【０００４】[0004]
【課題を解決するための手段】発明１に係る泡含有液剤
の泡状態検知方法は、泡含有液剤の反発力に基づいて泡
含有液剤の泡状態を検知し、泡含有液剤の泡状態が目標
領域内であるとき泡含有液剤を使用し、泡含有液剤の泡
状態が目標領域外であるとき、泡含有液剤を起泡装置に
戻すと共に、前記起泡装置により生成される前記泡含有
液剤における空気／液体の混合比を泡状態が目標領域内
となるように補正することを特徴とするものである。発
明２に係る泡含有液剤の泡状態検知装置は、起泡処理を
行って泡含有液剤を生成する起泡装置と、起泡装置で生
成された泡含有液剤を収容すると共に加圧に伴い容積が
可変な容積可変部を少なくとも一部に備えた収容器と、
泡含有液剤を収容した状態の収容器の容積可変部の加圧
に伴う反発力に基づいて泡含有液剤の泡状態を検知する
検知手段と、泡含有液剤の泡状態が目標領域内であると
き泡含有液剤を使用し、泡含有液剤の泡状態が目標領域
外であるとき、目標領域外の泡含有液剤を起泡装置に戻
すリターン通路と、泡含有液剤の泡状態が目標領域外で
あるとき、起泡装置により生成される泡含有液剤におけ
る空気／液体の混合比を泡状態が目標領域内となるよう
に補正する制御装置とを具備することを特徴とするもの
である。A method for detecting a foam state of a foam-containing liquid agent according to the first aspect of the invention detects a foam state of the foam-containing liquid agent based on the repulsive force of the foam-containing liquid agent, and the foam state of the foam-containing liquid agent is a target.
Use the foam-containing liquid when inside the area, and foam of the foam-containing liquid
When the condition is outside the target area, the foam-containing liquid is applied to the foaming device.
Upon returning, the foam containing produced by the foaming device
The air / liquid mixing ratio in the liquid agent is within the target area when the foam state is
It is characterized in that it is corrected so that Departure
The foam state detection device for the foam-containing liquid agent according to Ming 2 performs the foaming process.
And a foaming device that generates foam-containing liquid
A container for accommodating the formed foam-containing liquid agent and having at least a part of a volume variable portion whose volume is variable with pressurization,
A detection unit that detects the foam state of the foam-containing liquid agent based on the repulsive force associated with the pressurization of the volume variable portion of the container containing the foam-containing liquid agent, and that the foam state of the foam-containing liquid agent is within the target area.
Using a foam-containing liquid, the foam state of the foam-containing liquid is the target area
When outside, return foam-containing liquid outside the target area to the foaming device.
The return passage and the foam state of the foam-containing liquid are outside the target area.
At one time, in a foam-containing liquid produced by a foaming device
Adjust the air / liquid mixture ratio so that the bubble state is within the target area.
And a control device that corrects the
【０００５】[0005]
【発明の実施の形態】本発明で用いる泡含有液剤として
は、例えば、金型等の鋳型に塗布する泡状離型剤を採用
でき、或いは、焼入液等の熱処理液、或いは、機器の洗
浄処理に用いる洗浄剤等に採用できる。反発力の大きさ
は圧力センサで検知できる。泡状態検知装置は、泡含有
液剤を収容する容積可変の容積可変部をもつ収容室を備
えていることが好ましい。収容室は、少なくとも一部が
弾性壁を備えているものを採用できる。弾性壁は、反発
変形し得る弾性をもつものであり、ゴム材、樹脂材、蛇
腹材、撓み構造を備えた金属材等で構成できる。収容器
として、ゴムホースや樹脂ホース等の弾性ホースを採用
すれば、安価となる。BEST MODE FOR CARRYING OUT THE INVENTION As the foam-containing liquid agent used in the present invention, for example, a foam-like release agent applied to a mold such as a mold can be adopted, or a heat treatment liquid such as a quenching liquid, or a device It can be used as a cleaning agent or the like used for cleaning treatment. The magnitude of the repulsive force can be detected by the pressure sensor. It is preferable that the bubble state detection device includes a storage chamber having a volume variable portion that stores a liquid agent containing foam. As the storage chamber, one having at least a portion provided with an elastic wall can be adopted. The elastic wall has elasticity capable of repulsive deformation, and can be made of a rubber material, a resin material, a bellows material, a metal material having a flexible structure, or the like. If an elastic hose such as a rubber hose or a resin hose is used as the container, the cost will be reduced.
【０００６】一般的には、泡の割合が多いと空気の割合
が多いため、反発力は小さくなる。泡の割合が少ないと
空気の割合が少ないため、反発力は大きくなる傾向とな
ると考えられている。泡含有液剤を生成する起泡装置が
装備されている場合には、起泡装置に隣設して或いは一
体的に泡状態検知装置を配設することができる。この様
にすれば、起泡した泡含有液剤の泡状態を起泡直後に直
ちに把握できる。Generally, when the proportion of bubbles is large, the proportion of air is large, so that the repulsive force becomes small. It is considered that when the proportion of bubbles is small, the proportion of air is small, so that the repulsive force tends to increase. When the foaming device for generating the foam-containing liquid agent is equipped, the foaming state detecting device can be provided adjacent to or integrally with the foaming device. By doing so, the foam state of the foamed liquid agent containing foam can be immediately grasped immediately after foaming.
【０００７】[0007]
（実施例１）以下、本発明の実施例１を説明する。本実
施例は、金型のキャビティ型面に塗布する液状離型剤に
適用した例である。本実施例によれば、起泡処理を行う
起泡装置１が配設されている。起泡装置１には空気供給
源１０と離型剤供給源１２とが接続されている。空気供
給源１０から供給された空気と、離型剤供給源１２から
供給された離型剤とで、起泡装置１において起泡処理が
実行され、泡含有液剤Ｅが生成される。(Example 1) Hereinafter, Example 1 of the present invention will be described. This example is an example applied to a liquid mold release agent applied to the cavity surface of a mold. According to this embodiment, the foaming device 1 for performing the foaming process is provided. An air supply source 10 and a release agent supply source 12 are connected to the foaming device 1. A foaming process is executed in the foaming device 1 by the air supplied from the air supply source 10 and the mold release agent supplied from the mold release agent supply source 12 to generate the foam-containing liquid agent E.
【０００８】金型２は鋳造用のものであり、鋳造品を成
形するキャビティ型面２０を形成する分割型２１で構成
できる。金型２と起泡装置１との間には、泡含有液剤Ｅ
を収容するタンク２７及び泡状態検知装置４が配設され
ている。この泡状態検知装置４は、起泡装置１とタンク
２７とを連通する弾性ホース４０と、弾性ホース４０の
一部の近傍に配設された加圧室４２を備えた基部４３
と、基部４３の加圧室４２に往復移動可能に配設された
ピストン状の加圧体４４とを備えている。弾性ホース４
０は、泡含有液剤Ｅを収容すると共に圧縮に伴い容積可
変な容積可変部を備えた収容器として機能する。The mold 2 is for casting and can be composed of a split mold 21 which forms a cavity mold surface 20 for molding a casting. A bubble-containing liquid agent E is provided between the mold 2 and the foaming device 1.
A tank 27 for accommodating and a bubble state detection device 4 are provided. The foam state detection device 4 includes a base portion 43 including an elastic hose 40 that communicates the foaming device 1 and the tank 27, and a pressurizing chamber 42 arranged near a part of the elastic hose 40.
And a piston-shaped pressurizing member 44 disposed in the pressurizing chamber 42 of the base portion 43 so as to be capable of reciprocating. Elastic hose 4
0 functions as a container that accommodates the foam-containing liquid agent E and that includes a volume variable unit that is variable in volume with compression.
【０００９】本実施例によれば、加圧室４２が増圧する
と、加圧体４４は矢印Ｙ１方向に移動して弾性ホース４
０を挟持して圧縮する。加圧室４２を増圧する手段とし
ては空気圧、油圧、水圧を採用できる。制御装置５は、
加圧体４４の作動を制御する機能と、空気供給源１０及
び離型剤供給源１２の作動を制御する機能とをもつ。According to this embodiment, when the pressure in the pressure chamber 42 is increased, the pressure body 44 moves in the direction of the arrow Y1 to move the elastic hose 4
Hold 0 and compress. As the means for increasing the pressure of the pressurizing chamber 42, air pressure, hydraulic pressure, or water pressure can be adopted. The control device 5 is
It has a function of controlling the operation of the pressurizing body 44 and a function of controlling the operations of the air supply source 10 and the release agent supply source 12.
【００１０】使用に際しては、前述した様に、空気供給
源１０から空気が起泡装置１に供給されると共に、離型
剤供給源１２から離型剤が起泡装置１に供給される。そ
して起泡装置１で起泡処理が実行され、所定の空気／液
体の混合比を目標値とした泡含有液剤Ｅが生成される。
本実施例によれば、起泡装置１で生成された泡含有液剤
Ｅは、弾性ホース４０を経てタンク２７、更には金型２
に送給される。In use, as described above, air is supplied to the foaming device 1 from the air supply source 10 and the release agent is supplied to the foaming device 1 from the release agent supply source 12. Then, a foaming process is executed by the foaming device 1 to generate a foam-containing liquid agent E having a predetermined air / liquid mixing ratio as a target value.
According to this embodiment, the foam-containing liquid agent E generated in the foaming device 1 passes through the elastic hose 40, the tank 27, and the mold 2.
Sent to.
【００１１】弾性ホース４０に泡含有液剤Ｅが収容され
ている状態で、制御装置５は、泡含有液剤Ｅの泡状態を
検知する検知処理を行う。この検知処理では、加圧体４
４を矢印Ｙ１方向に作動させ、弾性ホース４０をその半
径方向に圧縮させる。弾性ホース４０の反発力の大きさ
は、検知手段として機能する反発力検知センサ５５によ
り検知される。反発力検知センサ５５の信号は信号線を
介して制御装置５に入力される。反発力検知センサ５５
として圧力センサを採用できる。弾性ホース４０の反発
力の大きさから、泡含有液剤Ｅにおける空気／液体の混
合比が検知される。With the foam-containing liquid agent E being accommodated in the elastic hose 40, the control device 5 performs a detection process for detecting the foam state of the foam-containing liquid agent E. In this detection process, the pressure body 4
4 is actuated in the direction of the arrow Y1 to compress the elastic hose 40 in its radial direction. The magnitude of the repulsive force of the elastic hose 40 is detected by the repulsive force detection sensor 55 that functions as a detection unit. The signal from the repulsive force detection sensor 55 is input to the control device 5 via a signal line. Repulsion force detection sensor 55
A pressure sensor can be used as From the magnitude of the repulsive force of the elastic hose 40, the air / liquid mixing ratio in the bubble-containing liquid agent E is detected.
【００１２】検知結果である混合比が目標領域に収まっ
ていたら、制御装置５は表示部５ｆに『ＯＫ信号』を出
力すると共に、泡含有液剤Ｅを第１弁装置６１を経てタ
ンク２７に送給する。タンク２７に送給された泡含有液
剤Ｅは、ポンプやシリンダ等の送給装置２８により金型
２のキャビティ２０ｉに適当な時期に注入される。検知
結果である混合比が目標領域から外れていたら、制御装
置５は表示部５ｆに『ＮＧ信号』を出力すると共に、第
１弁装置６１を切り替えて弾性ホース４０内の泡含有液
剤Ｅをリターン通路６３を経て起泡装置１の戻し部１ｆ
に戻す。これにより泡状態が不適切な泡含有液剤Ｅが金
型２に送給される不具合は、解消される。When the mixture ratio as the detection result is within the target region, the control device 5 outputs an "OK signal" to the display portion 5f and sends the bubble-containing liquid agent E to the tank 27 via the first valve device 61. To pay. The foam-containing liquid agent E fed to the tank 27 is injected into the cavity 20i of the mold 2 at an appropriate time by the feeding device 28 such as a pump or a cylinder. If the mixture ratio as the detection result is out of the target region, the control device 5 outputs the "NG signal" to the display portion 5f, switches the first valve device 61, and returns the bubble-containing liquid agent E in the elastic hose 40. Return section 1f of the foaming device 1 via the passage 63
Return to. This eliminates the problem that the foam-containing liquid agent E having an inappropriate foam state is fed to the mold 2.
【００１３】更に制御装置５は、空気供給源１０におけ
る空気量及び離型剤供給源１２における離型剤量を補正
する。従って、補正された空気量、離型剤供給量が起泡
装置１に供給される。これにより起泡装置１で生成され
る泡含有液剤Ｅの空気／液体の混合比が適正な値とな
る。この様に本実施例によれば、泡含有液剤Ｅの空気／
液体の混合比が適切な値に維持され、泡含有液剤Ｅの孔
径等が安定し、泡含有液剤Ｅの品質が安定する。従って
この泡含有液剤Ｅを泡状離型剤として、金型２のキャビ
ティ型面２０に塗布すれば、離型剤が良好にキャビティ
型面２０に塗布されることになり、鋳造品の品質の向上
に有利である。Further, the control device 5 corrects the air amount in the air supply source 10 and the release agent amount in the release agent supply source 12. Therefore, the corrected air amount and the release agent supply amount are supplied to the foaming device 1. As a result, the air / liquid mixing ratio of the foam-containing liquid agent E generated in the foaming device 1 becomes an appropriate value. Thus, according to the present embodiment, the air / liquid of the foam-containing liquid agent E /
The mixing ratio of the liquid is maintained at an appropriate value, the pore diameter of the foam-containing liquid agent E is stable, and the quality of the foam-containing liquid agent E is stable. Therefore, if this foam-containing liquid agent E is applied to the cavity mold surface 20 of the mold 2 as a foam-like mold release agent, the mold release agent will be satisfactorily applied to the cavity mold surface 20. It is advantageous for improvement.
【００１４】なお金型２に塗布する離型剤として上記し
た泡含有液剤Ｅを用いれば、泡により急冷性が減少する
ので、金型２の急冷を回避でき、また離型剤成分の比重
差がある場合であっても離型剤成分の沈澱を抑制して、
離型剤成分をキャビティ型面２０に均一付着させるのに
有利となる利点が得られる。
（実施例２）図３は実施例２を示す。この例は実施例１
と基本的には同様の構成である。但し、起泡装置１と泡
状態検知装置４との間には第２弁装置６２が配置されて
いる。従って泡含有液剤Ｅの泡状態を泡状態検知装置４
によって検知する際に、第１弁装置６１及び第２弁装置
６２の双方を閉じれば、第１弁装置６１と第２弁装置６
２との間に位置する弾性ホース４０内の泡含有液剤Ｅの
量が変動することを防止できる。従って加圧体４４を作
動させて弾性ホース４０を圧縮する際において、泡含有
液剤Ｅによる反発力の検知に有利である。If the above-mentioned foam-containing liquid agent E is used as the release agent applied to the money mold 2, the rapid cooling property of the mold 2 is reduced, so that the mold 2 can be prevented from being rapidly cooled and the specific gravity difference of the release agent components can be avoided. Even if there is, suppress the precipitation of the release agent component,
There is an advantage that it is advantageous to uniformly attach the release agent component to the cavity mold surface 20. (Second Embodiment) FIG. 3 shows a second embodiment. This example is Example 1.
Basically, the configuration is similar. However, the second valve device 62 is arranged between the foaming device 1 and the foam state detection device 4. Accordingly, the foam state of the foam-containing liquid agent E is detected by the foam state detection device 4
If both the first valve device 61 and the second valve device 62 are closed when the detection is performed by the first valve device 61 and the second valve device 6,
It is possible to prevent the amount of the foam-containing liquid agent E in the elastic hose 40 located between the two and the two from varying. Therefore, when the pressurizing body 44 is operated to compress the elastic hose 40, it is advantageous to detect the repulsive force by the bubble-containing liquid agent E.
【００１５】（実施例３）図４及び図５は実施例３を示
す。この例は実施例１と基本的には同様の構成である。
この泡状態検知装置４は、起泡装置１とタンク２７とを
連通する送給通路４８に配設されている。泡状態検知装
置４は、送給通路４８に連通する圧縮室４３ｋを備えた
基部４３と、基部４３に配設されたピストン状の加圧体
４４とを備えている。圧縮室４３ｋは、泡含有液剤Ｅを
収容すると共に、容積可変な容積可変部として機能す
る。(Third Embodiment) FIGS. 4 and 5 show a third embodiment. This example has basically the same configuration as the first example.
The foam state detecting device 4 is arranged in a feed passage 48 that connects the foaming device 1 and the tank 27. The bubble state detection device 4 includes a base portion 43 having a compression chamber 43k communicating with the supply passage 48, and a piston-shaped pressurizing body 44 arranged in the base portion 43. The compression chamber 43k accommodates the foam-containing liquid agent E and also functions as a volume-variable unit whose volume is variable.
【００１６】加圧体４４が矢印Ｙ１方向に作動して圧縮
室４３ｋの容積が小さくなると、圧縮室４３ｋの泡含有
液剤Ｅは圧縮される。加圧体４４の駆動源としては、空
気圧、油圧、水圧を採用できる。泡含有液剤Ｅの泡状態
を検知する際に、図５に示す様に、泡含有液剤Ｅが圧縮
室４３ｋに収容されている状態で、加圧体４４を矢印Ｙ
１方向に移動させて圧縮室４３ｋの容積を収縮させ、ひ
いては泡含有液剤Ｅを圧縮する。圧縮に対して泡含有液
剤Ｅは反発する。反発力の大きさは、検知手段として機
能する反発力検知センサ５５により検知される。反発力
の大きさから、泡含有液剤Ｅにおける空気／液体の混合
比が検知される。When the pressurizing body 44 operates in the direction of the arrow Y1 to reduce the volume of the compression chamber 43k, the bubble-containing liquid agent E in the compression chamber 43k is compressed. As a drive source of the pressurizing body 44, air pressure, hydraulic pressure, or water pressure can be adopted. When detecting the foam state of the foam-containing liquid agent E, as shown in FIG. 5, while the foam-containing liquid agent E is accommodated in the compression chamber 43k, the pressing body 44 is moved to the arrow Y.
By moving in one direction, the volume of the compression chamber 43k is contracted, and then the bubble-containing liquid agent E is compressed. The foam-containing liquid agent E repels against compression. The magnitude of the repulsive force is detected by the repulsive force detection sensor 55 that functions as a detection unit. The air / liquid mixing ratio in the foam-containing liquid agent E is detected from the magnitude of the repulsive force.
【００１７】検知結果である混合比が目標領域に収まっ
ていたら、制御装置５は表示部５ｆに『ＯＫ信号』を出
力すると共に、泡含有液剤Ｅをタンク２７に送給する。
タンク２７に送給された泡含有液剤Ｅは、送給装置２８
により金型２のキャビティ２０ｉに適当な時期に注入さ
れる。検知結果である混合比が目標領域から外れていた
ら、実施例１の場合と同様にに、第１弁装置６１を切り
替えてリターン通路６３を経て泡含有液剤Ｅを起泡装置
１の戻し部１ｆに戻す。When the mixture ratio as the detection result is within the target region, the control device 5 outputs the "OK signal" to the display portion 5f and sends the bubble-containing liquid agent E to the tank 27.
The foam-containing liquid agent E fed to the tank 27 is fed by the feeding device 28.
Is injected into the cavity 20i of the mold 2 at an appropriate time. If the mixture ratio, which is the detection result, is out of the target region, the first valve device 61 is switched and the foam-containing liquid agent E is passed through the return passage 63 and the returning portion 1f of the foaming device 1 is changed as in the case of the first embodiment. Return to.
【００１８】（検知処理）上記した実施例１において制
御装置５が実行する検知処理のフローチャートの一例
を、図６に示す。図６に示す様に、ステップＳ１００で
タイマがスタートする。ステップＳ１０２で、加圧体４
４を矢印Ｙ１方向に移動させる加圧処理を行う。ステッ
プＳ１０４で時間Ｔ１経過したか否か判定する。時間Ｔ
１経過しておれば、加圧に伴う泡含有液剤Ｅの反発力が
安定したとして、ステップＳ１０６に進み、反発力の大
きさを検知する検知処理を行う。ステップＳ１０８で反
発力による泡状態の程度を判定し、泡状態が適切つまり
『ＯＫ』であれば、ステップＳ１１０で表示部５ｆに
『ＯＫ信号』を出力すると共に、泡含有液剤Ｅをタンク
２７に送給する送給信号を出力し、メインルーチンにリ
ターンする。(Detection Process) FIG. 6 shows an example of a flow chart of the detection process executed by the control device 5 in the first embodiment. As shown in FIG. 6, the timer starts in step S100. In step S102, the pressure body 4
Pressurization processing for moving 4 in the direction of arrow Y1 is performed. In step S104, it is determined whether the time T1 has elapsed. Time T
If 1 has elapsed, it is determined that the repulsive force of the foam-containing liquid agent E due to pressurization is stable, and the process proceeds to step S106, where a detection process for detecting the magnitude of the repulsive force is performed. In step S108, the degree of the bubble state due to the repulsive force is determined. If the bubble state is appropriate, that is, "OK", the "OK signal" is output to the display unit 5f in step S110 and the bubble-containing liquid agent E is stored in the tank 27. The feed signal for feeding is output, and the process returns to the main routine.
【００１９】ステップＳ１０８での判定の結果、泡状態
が不適切つまり『ＮＧ』であれば、ステップＳ１２０で
表示部５ｆに『ＮＧ信号』を出力すると共に、第１弁装
置６１を切り替えて不適切な泡含有液剤Ｅをリターン通
路６３を経て起泡装置１の戻し部１ｆに戻す。更にステ
ップＳ１２２で空気量を補正すると共に離型剤量を補正
し、タイマをクリヤにし、メインルーチンにリターンす
る。これにより次の処理で生成される泡含有液剤Ｅの空
気量と離型剤量とは適切な値となり、適切な泡含有液剤
Ｅが生成される。If the result of determination in step S108 is that the bubble state is inappropriate, that is, "NG", an "NG signal" is output to the display portion 5f in step S120, and the first valve device 61 is switched to be inappropriate. The nasty foam-containing liquid agent E is returned to the returning section 1f of the foaming device 1 through the return passage 63. Further, in step S122, the air amount is corrected and the release agent amount is corrected, the timer is cleared, and the process returns to the main routine. As a result, the air content and the release agent content of the foam-containing liquid agent E generated in the next process become appropriate values, and the appropriate foam-containing liquid agent E is generated.
【００２０】（付記）上記した実施例から次の技術的思
想も把握できる。
○泡含有液剤の反発力に基づいて泡含有液剤の泡状態を
検知することを特徴とする泡含有液剤の泡状態検知装
置。
○泡含有液剤を加圧してから所定時間経過した後に、反
発力の大きさを把握することを特徴とする請求項１に係
る方法。これによれば、反発力の安定化に有利である。
○検知手段は、泡含有液剤を加圧してから所定時間経過
した後に、反発力の大きさを把握することを特徴とする
請求項２に係る装置。
○泡含有液剤の泡状態が目標領域内であれば金型に送給
し、目標領域外であれば起泡装置に戻す請求項１、２に
係る方法及び装置。(Supplementary Note) The following technical idea can be understood from the above-described embodiments. A foam state detection device for a foam-containing liquid agent, which detects the foam state of the foam-containing liquid agent based on the repulsive force of the foam-containing liquid agent. The method according to claim 1, wherein the magnitude of the repulsive force is grasped after a lapse of a predetermined time after pressurizing the foam-containing liquid agent. This is advantageous in stabilizing the repulsive force. The device according to claim 2, wherein the detection means grasps the magnitude of the repulsive force after a predetermined time has elapsed after pressurizing the foam-containing liquid agent. The method and apparatus according to claim 1 or 2, wherein when the foam state of the foam-containing liquid agent is within the target area, it is fed to the mold, and when it is outside the target area, it is returned to the foaming device.
【００２１】[0021]
【発明の効果】本発明によれば、泡含有液剤の反発力を
利用することにより、泡含有液剤の泡状態を検知するこ
とができる。従って適切な泡をもつ泡含有液剤を得るの
に有利である。本発明によれば、泡状離型剤として泡含
有液剤を用いれば、金型のキャビティ型面に塗布する離
型剤の層を良質にでき、鋳造品の品質の安定化に貢献で
きる。According to the present invention, by utilizing the repulsive force of the foam-containing liquid agent, the foam state of the foam-containing liquid agent can be detected. Therefore, it is advantageous to obtain a foam-containing liquid having an appropriate foam. According to the present invention, when a foam-containing liquid agent is used as the foam-type mold releasing agent, the layer of the mold-releasing agent applied to the cavity mold surface of the mold can be improved in quality, which can contribute to stabilization of the quality of the cast product.
【図１】実施例１に係る装置の構成図である。FIG. 1 is a configuration diagram of an apparatus according to a first embodiment.
【図２】実施例１の作用状態の要部を示す構成図であ
る。FIG. 2 is a configuration diagram illustrating a main part of a working state of the first embodiment.
【図３】実施例２に係る装置の構成図である。FIG. 3 is a configuration diagram of an apparatus according to a second embodiment.
【図４】実施例３に係る装置の構成図である。FIG. 4 is a configuration diagram of an apparatus according to a third embodiment.
【図５】実施例３の作用状態の要部を示す構成図であ
る。FIG. 5 is a configuration diagram showing a main part of a working state of a third embodiment.
【図６】制御装置が実行する検知処理のフローチャート
である。FIG. 6 is a flowchart of a detection process executed by a control device.
図中、Ｅは泡含有液剤、１は起泡装置、２は金型、２０
はキャビティ型面、４は泡状態検知装置、４０は弾性ホ
ース、４２は加圧室、４４は加圧体、５は制御装置、５
５は反発力検知センサを示す。In the figure, E is a foam-containing liquid agent, 1 is a foaming device, 2 is a mold, and 20 is a mold.
Is a cavity mold surface, 4 is a bubble state detecting device, 40 is an elastic hose, 42 is a pressurizing chamber, 44 is a pressurizing body, 5 is a control device, 5
Reference numeral 5 denotes a repulsive force detection sensor.
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) G01N 7/00 - 7/22 G01N 15/00 - 15/14 B22D 17/00 - 17/32 B29C 33/00 - 33/76 ＪＩＣＳＴファイル（ＪＯＩＳ)─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. 7 , DB name) G01N 7 /00-7/22 G01N 15/00-15/14 B22D 17/00-17/32 B29C 33 / 00-33/76 JISST file (JOIS)
Claims (3)
の泡状態を検知し、 前記泡含有液剤の泡状態が目標領域内であるとき前記泡
含有液剤を使用し、前記泡含有液剤の泡状態が目標領域
外であるとき、前記泡含有液剤を起泡装置に戻すと共
に、前記起泡装置により生成される前記泡含有液剤にお
ける空気／液体の混合比を泡状態が前記目標領域内とな
るように補正する ことを特徴とする泡含有液剤の泡状態
検知方法。1. A foam state of a foam-containing liquid agent is detected based on the repulsive force of the foam-containing liquid agent, and the foam state is detected when the foam state of the foam-containing liquid agent is within a target region.
Using the contained liquid, the foam state of the foam-containing liquid is the target area.
When outside, it is common to return the foam-containing liquid to the foaming device.
The foam-containing liquid agent produced by the foaming device.
The air / liquid mixture ratio so that the bubble state is within the target area.
A method for detecting the foam state of a liquid agent containing foam, which is characterized in that
態が目標領域内であるとき前記泡含有液剤を金型のキャ
ビティ型面に離型剤として塗布することを特徴とする 泡
含有液剤の泡状態検知方法。 2. The foam of the foam-containing liquid agent according to claim 1.
When the state is within the target area, the foam-containing liquid is added to the mold cap.
A method for detecting the foam state of a liquid solution containing foam, which comprises applying it as a release agent on a surface of a vity .
泡装置と、 前記起泡装置で生成された 泡含有液剤を収容すると共に
加圧に伴い容積が可変な容積可変部を少なくとも一部に
備えた収容器と、 泡含有液剤を収容した状態の該収容器の容積可変部の該
加圧に伴う反発力に基づいて泡含有液剤の泡状態を検知
する検知手段と、 前記泡含有液剤の泡状態が目標領域内であるとき前記泡
含有液剤を使用し、前記泡含有液剤の泡状態が目標領域
外であるとき、目標領域外の前記泡含有液剤を前記起泡
装置に戻すリターン通路と、 前記泡含有液剤の泡状態が目標領域外であるとき、前記
起泡装置により生成される前記泡含有液剤における空気
／液体の混合比を泡状態が前記目標領域内となるように
補正する制御装置とを具備することを特徴とする泡含有
液剤の泡状態検知装置。 3. A foaming treatment for producing a foam-containing liquid agent.
A foaming device, a container that contains the foam-containing liquid agent generated by the foaming device and at least a part of which has a volume variable part whose volume is variable with pressurization, and a container containing the foam-containing liquid agent. the foam when a detection means for detecting a bubble state bubble-containing liquid based on the repulsive force caused by pressurizing the variable volume portion of the container, the foam state of the foam-containing liquid is a target area
Using the contained liquid, the foam state of the foam-containing liquid is the target area.
When outside, foam the liquid containing foam outside the target area
A return passage for returning to the device, and when the foam state of the foam-containing liquid is outside the target area,
Air in the foam-containing liquid agent generated by a foaming device
The mixture ratio of / liquid is adjusted so that the foam state is within the target area.
Bubble containing, characterized in that it comprises a control device for correcting
Liquid foam detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27238395A JP3508963B2 (en) | 1995-10-20 | 1995-10-20 | Method and apparatus for detecting foam state of foam-containing liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27238395A JP3508963B2 (en) | 1995-10-20 | 1995-10-20 | Method and apparatus for detecting foam state of foam-containing liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09113432A JPH09113432A (en) | 1997-05-02 |
| JP3508963B2 true JP3508963B2 (en) | 2004-03-22 |
Family
ID=17513125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27238395A Expired - Fee Related JP3508963B2 (en) | 1995-10-20 | 1995-10-20 | Method and apparatus for detecting foam state of foam-containing liquid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3508963B2 (en) |
-
1995
- 1995-10-20 JP JP27238395A patent/JP3508963B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09113432A (en) | 1997-05-02 |
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