JP3216910U - Coolant concentration measurement system - Google Patents

Coolant concentration measurement system Download PDF

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JP3216910U
JP3216910U JP2017005677U JP2017005677U JP3216910U JP 3216910 U JP3216910 U JP 3216910U JP 2017005677 U JP2017005677 U JP 2017005677U JP 2017005677 U JP2017005677 U JP 2017005677U JP 3216910 U JP3216910 U JP 3216910U
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concentration
coolant
liquid
coolant tank
concentration measurement
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百瀬　豊
豊 百瀬
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KSK Co Ltd
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Abstract

【課題】クーラントタンク内のクーラント液の濃度測定と希釈装置から供給・補充される混合液の濃度測定の切り替えを可能とし、連続的な濃度測定と蓄積を可能とし、希釈装置の濃度設定による濃度管理が容易にできるようにした濃度計測システムを提供する。【解決手段】クーラントタンク６内のクーラント液２２をフイルター１０を介してポンプ９で吸い上げ濃度計４で濃度計測をし、そのままクーラントタンクに戻す回路と希釈装置１で濃度設定された混合液が吐出される注入管７から分岐した管７ａから濃度計４に至り、そこで濃度測定を行いクーラントタンクに吐出される回路を電磁・電気三方弁８で選択的に切り替え可能な構成とした。切り替えのタイミングは制御盤５のスイッチ１４でマニュアルで行うことができる。【選択図】図１[PROBLEMS] To change the concentration measurement of a coolant liquid in a coolant tank and the concentration measurement of a mixed liquid supplied / supplemented from a dilution device, enable continuous concentration measurement and accumulation, and the concentration by setting the concentration of the dilution device Provided is a concentration measurement system that can be easily managed. SOLUTION: A coolant liquid 22 in a coolant tank 6 is sucked up by a pump 9 through a filter 10 and the concentration is measured by a concentration meter 4, and the liquid mixture whose concentration is set by the diluter 1 is discharged. From the pipe 7a branched from the injection pipe 7 to the densitometer 4, the concentration is measured and the circuit discharged to the coolant tank can be selectively switched by the electromagnetic / electric three-way valve 8. The switching timing can be manually performed with the switch 14 of the control panel 5. [Selection] Figure 1

Description

本考案は、主液のエジェクター効果或いはポンプにより原液を吸い上げて水と混合し、該混合液を加工機のクーラントタンクへ供給・補充する希釈装置を具備した設備において、混合液自体の濃度およびクーラントタンク側の濃度測定を容易とし、加工機に必要なクラント液の濃度を適正に設定・維持管理することを可能とした濃度計測システムに関するものである。   The present invention provides an apparatus equipped with a diluting device that sucks a raw liquid by a main liquid ejector effect or pumps and mixes it with water, and supplies and replenishes the liquid mixture to a coolant tank of a processing machine. The present invention relates to a concentration measurement system that makes it easy to measure the concentration on the tank side, and enables the setting and maintenance of the concentration of the coolant necessary for the processing machine appropriately.

現在、実際に使われている希釈装置は、原液である切削油と水を所定の濃度で混合するクーラント希釈液装置が一般的である。クーラント液は切削・研削を行う加工機の刀具に直接吹き付けて、冷却による刀具の長寿命と被加工物の加工精度を上げる効果があり、一般的に金属加工工場では広く使用されている。
このようなクーラント液の適正濃度は被加工物の材料、精度、切削速度、切削油種などにより異なる。切削・研削条件が厳しくなる方が、クーラント液の高濃度が要求されるが、濃度が高くなると切削油の使用量が多くなり、加工費が膨大になる。
しかしながら、クーラント液の濃度管理は非常に難しい。なぜならば、このようなクラント液はクーラントタンクからポンプで各複数台の加工機に供給・補充され、洗い流された金属の切子・金属粉と共にクーラントタンクに戻り、切子・金属粉は回収され再び循環する。この工程で、クーラント液の水分が蒸発し、濃度が上がるし、クーラント液も消耗する。従って、補充される混合液濃度は低くして供給して適正濃度を維持するのが望ましい。
希釈装置で低い適正濃度で供給・補充されれば、切削油の節減効果が大きくなるが、一般的には希釈装置の濃度設定は要求されるクーラント液の濃度と同じに設定しているケースが多く、切削油が無駄に消費されている。 Currently, a diluting apparatus that is actually used is a coolant diluting apparatus that mixes cutting oil, which is a raw liquid, and water at a predetermined concentration. The coolant liquid is directly sprayed on the cutting tool of a processing machine that performs cutting and grinding, and has the effect of increasing the tool life of the cutting tool and the processing accuracy of the workpiece by cooling. Generally, it is widely used in metalworking factories.
The appropriate concentration of such coolant varies depending on the material of the workpiece, accuracy, cutting speed, cutting oil type, and the like. The more severe the cutting / grinding conditions are, the higher the concentration of the coolant liquid is required. However, the higher the concentration, the larger the amount of cutting oil used, and the higher the processing cost.
However, it is very difficult to control the coolant concentration. This is because such a coolant liquid is supplied and replenished to each of the plurality of processing machines by pumps from the coolant tank, and returned to the coolant tank together with the washed metal chips and metal powder, and the facet and metal powder are recovered and circulated again. To do. In this step, the water in the coolant is evaporated, the concentration is increased, and the coolant is also consumed. Therefore, it is desirable to maintain the proper concentration by supplying a lower concentration of the mixed solution to be replenished.
Supplying and replenishing at a low appropriate concentration with a diluter increases the cutting oil saving effect, but generally the concentration setting of the diluter is the same as the required coolant concentration. Many cutting oils are wasted.

現在、クーラント液の濃度測定は屈折率測定のものが、一般的に使用されている。ハンディタイプのものは液に浸してから、目で見て、測定するものが安価で一般的に使用されているが、前述のようにクーラント液の濃度が刻々変化するため、濃度を管理するのに手間がかかる。また、高価ではあるがインライン型の屈折率濃度計が近年開発されてきており、連続的なクーラント液の濃度測定が可能になってきたが、クーラント液の適正濃度を維持するために供給・補充する混合液の濃度をどの様な値に設定すべきは多くデータの蓄積によってしか分からないのが現状である。
いずれにしろ、タンク側のクーラント液の濃度を屈折率測定法により濃度を測定しながら、希釈装置の原液と水の濃度調整をして混合液の供給・補給を行い、適正な濃度に近づける作業が必要である。このような作業を簡便にすることが今求められている。 At present, the coolant concentration measurement is generally performed using a refractive index measurement. The hand-held type is soaked in the liquid, and the one that is visually measured is cheap and is generally used. However, as mentioned above, the concentration of the coolant liquid changes every moment. It takes time and effort. In-line type refractive index densitometers have been developed in recent years, and it has become possible to measure the concentration of the coolant continuously, but supply and replenishment to maintain the proper concentration of the coolant At present, the value of the concentration of the liquid mixture to be set should be set to a large value and can only be determined by accumulating data.
In any case, the concentration of the coolant solution on the tank side is measured by the refractive index measurement method, and the concentration of the stock solution and water in the diluter is adjusted to supply and replenish the mixed solution to bring it close to the appropriate concentration. is necessary. There is now a need to simplify such work.

特開２０１６−０８７７４１JP2006-087741A 特開平８−１１２６１３JP-A-8-112613 実開平０１−１０９３０５Japanese Utility Model

クーラントタンク内のクーラント液の濃度測定と希釈装置から供給・補充される混合液の濃度測定の切り替えを可能とし、連続的な濃度測定と蓄積を可能とし、希釈装置の濃度設定による濃度管理が容易にできるようにした濃度計測システムを提供する。   It is possible to switch between the concentration measurement of the coolant liquid in the coolant tank and the concentration measurement of the mixed liquid supplied / supplemented from the dilution device, enabling continuous concentration measurement and accumulation, and easy concentration management by setting the concentration of the dilution device To provide a concentration measurement system that can be used.

上記課題を達成するために、クーラントタンク６内のクーラント液２２をフイルター１０を介してポンプ９で吸い上げ濃度計４で濃度計測をし、そのままクーラントタンク６に戻す回路と希釈装置１で濃度設定された混合液が吐出される注入管７から分岐した管７aから濃度計４に至り、そこで濃度測定を行い前記クーラントタンク６に吐出される回路を電磁・電気三方弁８で選択的に切り替え可能な構成とした。
切り替えのタイミングは制御盤５のスイッチ１４でマニュアルで行うことができる。 In order to achieve the above-mentioned problem, the concentration of the coolant 22 in the coolant tank 6 is sucked up by the pump 9 through the filter 10 and measured by the concentration meter 4 and returned to the coolant tank 6 as it is, and the concentration is set by the diluter 1. The pipe 7a branched from the injection pipe 7 from which the mixed liquid is discharged leads to the concentration meter 4, where the concentration is measured and the circuit discharged to the coolant tank 6 can be selectively switched by the electromagnetic / electric three-way valve 8. The configuration.
The switching timing can be manually performed with the switch 14 of the control panel 5.

一個の高価なインライン型の屈折率濃度計でクーラントタンク６内のクーラント液２２の濃度を連続的に計測・蓄積し、そして適時、希釈装置１で生成される混合液との濃度比較をして、濃度設定器２で再度濃度調整をし、容易に最適なクーラント液の濃度に維持することを可能とした。結果、加工機での加工精度を維持し、刀具寿命を伸ばし、そして、切削油の節減となる効果が得られる。
この濃度計測システムで得られたデータは濃度計測システムを有さない他のクーラントタンク設備へも水平展開される。そして、季節変動、材料種、加工精度とクーラント液および希釈装置の濃度設定の相関データも蓄積される。
インライン型の屈折率濃度計は、常時速い流れの中に置いておかないとプリズムの部分が曇り、計測不能になるが、本考案の濃度計測システムは、この要件をみたしている。 The concentration of the coolant liquid 22 in the coolant tank 6 is continuously measured and accumulated with one expensive in-line type refractive index densitometer, and the concentration is compared with the liquid mixture produced by the diluting device 1 at appropriate times. Then, the concentration was adjusted again with the concentration setter 2, and it was possible to easily maintain the optimum concentration of the coolant liquid. As a result, the processing accuracy of the processing machine can be maintained, the tool life can be extended, and the cutting oil can be saved.
The data obtained by this concentration measurement system is also developed horizontally in other coolant tank facilities that do not have a concentration measurement system. Correlation data of seasonal variation, material type, processing accuracy and coolant solution and dilution device concentration settings are also accumulated.
Inline type refractive index densitometers cannot be measured unless they are always placed in a fast flow, and the density measurement system of the present invention meets this requirement.

図１は本考案の濃度の計測システムを示したものでクラントタンク６内のクーラント液濃度の計測状態を説明したものである。FIG. 1 shows a concentration measuring system according to the present invention, and illustrates the state of measurement of the coolant concentration in the coolant tank 6. 図２は本考案の濃度の計測システムを示したもので希釈装置で生成された混合液の濃度の計測状態を説明したものである。FIG. 2 shows the concentration measuring system according to the present invention, and illustrates the measurement state of the concentration of the mixed solution produced by the diluting device. 図３は本考案の濃度計測システムの切り替え制御を示したものである。FIG. 3 shows the switching control of the concentration measuring system of the present invention.

クーラント液の濃度測定と希釈装置から供給・補充される混合液の濃度測定の切り替えを可能とし、更に、連続的な濃度測定・蓄積を可能とし、希釈装置の濃度設定による濃度管理が容易にできるようにした濃度計測システム。  It is possible to switch between the concentration measurement of the coolant and the concentration measurement of the mixed solution supplied / supplemented from the dilution device, and also enables continuous concentration measurement / accumulation, making it easy to manage the concentration by setting the concentration of the dilution device. Concentration measurement system.


図１は本考案の濃度の計測システムを示したものでクラントタンク６内のクーラント液濃度の計測状態を説明したものである。濃度設定器２を有する希釈装置１の入り口には電磁弁３が配置され、水供給の開閉を制御盤５の指令で行う。該希釈装置１の出口は長い注入管７でクーラント槽６に適時、濃度設定器２で設定された濃度で生成された混合液を供給する構成となっている。液面計１５は液面が所定値以下になるとONの信号を出し、液面が所定値以上になるとOFFの信号を出し、混合液の供給と切断を繰返す役目を果たす。一方、該希釈装置１は原液を吸い上げ、希釈装置内１で水と所定の濃度で混合せしめる構成となっている。他方、クーラント槽６内のクーラント液２２はフイルター１７および通路１８を介し、ポンプ１９および通路２０を介して、加工機１６に圧送されて切削或いは研削する刀具や砥石に吹き付けられて、金属粉を洗い流して、再び、通路２３を介してクーラント槽６に戻り循環する構成となっている。
一方、本考案の濃度計測システムはクーラントタンク６内のクーラント液２２をフイルター１０を介してポンプ９で吸い上げ濃度計４で濃度計測をし、そのままクーラントタンク６に戻す回路と希釈装置１で濃度設定された混合液が吐出される前記注入管７から分岐した管７aから濃度計４に至り、そこで濃度測定を行い前記クーラントタンク６に吐出される回路を電磁・電気三方弁８で選択的に切り替え可能な構成となっている。そして、切り替えのタイミングは制御盤５のスイッチ１４でマニュアルで行うことができ、希釈装置１と連動させることも可能である。
FIG. 1 shows a concentration measuring system according to the present invention, and illustrates the state of measurement of the coolant concentration in the coolant tank 6. An electromagnetic valve 3 is disposed at the entrance of the diluting device 1 having the concentration setting device 2, and opens / closes the water supply according to a command from the control panel 5. The outlet of the diluting device 1 is configured to supply a mixed liquid generated at a concentration set by the concentration setting device 2 to the coolant tank 6 through a long injection pipe 7 in a timely manner. The liquid level meter 15 outputs an ON signal when the liquid level falls below a predetermined value, and outputs an OFF signal when the liquid level rises above a predetermined value, and plays a role of repeatedly supplying and cutting the mixed liquid. On the other hand, the diluting device 1 is configured to suck up the stock solution and mix it with water at a predetermined concentration in the diluting device 1. On the other hand, the coolant liquid 22 in the coolant tank 6 is blown through the filter 17 and the passage 18, through the pump 19 and the passage 20, and is blown to a cutting tool or a grindstone to be cut or ground by being pumped to the processing machine 16, so It is configured to wash away and return to the coolant tank 6 through the passage 23 and circulate again.
On the other hand, in the concentration measuring system of the present invention, the coolant 22 in the coolant tank 6 is sucked up by the pump 9 through the filter 10 and measured by the concentration meter 4 and then returned to the coolant tank 6 and the concentration setting by the diluter 1. From the pipe 7a branched from the injection pipe 7 from which the mixed liquid is discharged, the concentration meter 4 is reached, where the concentration is measured and the circuit discharged to the coolant tank 6 is selectively switched by the electromagnetic / electric three-way valve 8. It has a possible configuration. The timing of switching can be manually performed by the switch 14 of the control panel 5 and can be interlocked with the diluting apparatus 1.


図２は本考案の濃度の計測システムを示したもので希釈装置で生成された混合液の濃度の計測状態を説明したものである。前記電磁・電気三方弁８がスイッチ１４の信号でＯＮした状態にある。
FIG. 2 shows the concentration measuring system according to the present invention, and illustrates the measurement state of the concentration of the mixed solution produced by the diluting device. The electromagnetic / electric three-way valve 8 is in an ON state by a signal from the switch 14.


図３は本考案の濃度計測システムの切り替え制御を示したものである。スイッチ１４が切れた状態ではポンプ９と濃度計４が動作しており、クーラント液の連続濃度計測・蓄積を行い、スイッチ１４が入ると電磁・電気三方弁が動作して前記ポンプ９は停止し、前記混合液が分岐管７aから濃度計４に至り濃度計測される状態に切り替わる構成となっている。
FIG. 3 shows the switching control of the concentration measuring system of the present invention. When the switch 14 is turned off, the pump 9 and the concentration meter 4 are operated, and the continuous concentration measurement and accumulation of the coolant liquid is performed. When the switch 14 is turned on, the electromagnetic / electric three-way valve is operated and the pump 9 is stopped. The mixed solution is switched from the branch pipe 7a to the densitometer 4 so that the concentration is measured.

クーラント液の濃度と切削・研削の精度および刀具の寿命との相関性、更に、経済性のデータ蓄積がなされることは機械加工分野に大きく貢献する。また、クーラント液の自動ミキシング装置の開発に寄与する。   The correlation between the concentration of the coolant liquid, the accuracy of cutting and grinding, the tool life, and the accumulation of economic data greatly contribute to the machining field. It also contributes to the development of automatic coolant mixing equipment.

１ 希釈装置
２ 濃度設定器
３ 電磁弁
４ 濃度計
５ 制御盤
６ クーラントタンク
７ 注入管
８ 電磁・電気三方弁
９ ポンプ 1 Dilution device
2 Concentration setter
3 Solenoid valve
4 Densitometer
5 Control panel
6 Coolant tank
7 Injection tube
8 Electromagnetic / electric three-way valve
9 Pump

Claims (2)


希釈装置を具備した設備において、クーラントタンク６内のクーラント液２２をフイルター１０を介してポンプ９で吸い上げ濃度計４で濃度計測をした後、クーラントタンク６に戻す回路と希釈装置１で濃度設定された混合液が吐出される注入管７から分岐した管７aから濃度計４に至り、そこで濃度測定を行い前記クーラントタンク６に排出される回路を電磁・電気三方弁８で選択的に切り替え可能な構成とした濃度計測システム。
In the equipment equipped with the diluting device, the coolant 22 in the coolant tank 6 is sucked up by the pump 9 through the filter 10 and the concentration is measured by the densitometer 4, and then the concentration is set by the diluting device 1 and the circuit for returning to the coolant tank 6. From the pipe 7a branched from the injection pipe 7 from which the mixed liquid is discharged, the concentration meter 4 is reached, where the concentration is measured and the circuit discharged to the coolant tank 6 can be selectively switched by the electromagnetic / electric three-way valve 8. Concentration measurement system configured. 請求項１のクーラント液濃度計測システムを具備した希釈装置。    A dilution apparatus comprising the coolant concentration measurement system according to claim 1.
JP2017005677U 2017-12-18 2017-12-18 Coolant concentration measurement system Expired - Fee Related JP3216910U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021065938A (en) * 2019-10-17 2021-04-30 Ckd株式会社 Diluted solution replenishing device and diluted solution replenishing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021065938A (en) * 2019-10-17 2021-04-30 Ckd株式会社 Diluted solution replenishing device and diluted solution replenishing method
JP7261141B2 (en) 2019-10-17 2023-04-19 Ckd株式会社 Diluent replenisher

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