JPH10286562A - Floating oil removing device in cutting fluid in machine tool - Google Patents
Floating oil removing device in cutting fluid in machine toolInfo
- Publication number
- JPH10286562A JPH10286562A JP9725697A JP9725697A JPH10286562A JP H10286562 A JPH10286562 A JP H10286562A JP 9725697 A JP9725697 A JP 9725697A JP 9725697 A JP9725697 A JP 9725697A JP H10286562 A JPH10286562 A JP H10286562A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- cutting fluid
- separator
- separated
- floating
- 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
Landscapes
- Removal Of Floating Material (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は工作機械における水
溶性切削油中の浮上油除去装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for removing floating oil in water-soluble cutting oil in a machine tool.
【０００２】[0002]
【従来の技術】現在行われている切削油の浮上油の除去
は、図４に示すようなベルト方式が主流である。これは
巾約１０cmの無端ベルトａが上下の駆動ロ−ラｂとロ−
ラｃ間に張られている。無端ベルトａの下部とロ−ラｃ
は液面下に浸っている。そして、上方の駆動ロ−ラｂに
よって駆動されている間に、スクレ−パｄによって無端
ベルトａの表面上に付着した浮上油を掻きとり、これを
分離槽ｅに流下させて水と浮上油とを比重差で分離し、
浮上油は廃油出口ｆから、又浄化された油は油出口ｇか
ら取出しタンクに戻している。この構造であると、１０
cm巾の無端ベルトａが接する表面からは浮上油は採取さ
れるが、その巾を外れると採取は不可能である。即ち効
率的処理に適していない。2. Description of the Related Art A belt system as shown in FIG. 4 is mainly used for removing floating oil of cutting oil. This is because the endless belt a having a width of about 10 cm is connected to the upper and lower drive rollers b and the rollers.
It is stretched between la c. Roller c and lower part of endless belt a
Is submerged below the liquid level. While being driven by the upper driving roller b, the scraping oil scrapes off the floating oil adhering to the surface of the endless belt a, and flows it down to the separation tank e to remove water and floating oil. And is separated by the specific gravity difference,
The floating oil is taken out from the waste oil outlet f, and the purified oil is taken out from the oil outlet g and returned to the tank. With this structure, 10
Floating oil is collected from the surface in contact with the endless belt a having a width of cm, but cannot be collected outside the width. That is, it is not suitable for efficient processing.
【０００３】[0003]
【発明が解決しようとする課題】工作機械の水溶性切削
油中の浮上油を除去することにより、切削油の寿命延長
を図ること、及び水溶性切削油中の成分に影響を与えな
いように浮上油のみを効率的に除去する装置を提供する
ことを目的とする。SUMMARY OF THE INVENTION By removing the floating oil in the water-soluble cutting oil of the machine tool, the life of the cutting oil can be extended, and the components in the water-soluble cutting oil should not be affected. An object of the present invention is to provide a device for efficiently removing only floating oil.
【０００４】[0004]
【課題を解決するための手段】切削油回収タンク１と、
該タンク１で浮上分離された浮上油をストレ−ナ２で濾
過し、ストレ−ナ２を通過した液を油・泡分離器４で比
重差で浮上分離させた高濃度の油膜を分離し、高濃度の
油膜は油排出管８で排出し、泡に含まれていた空気は空
気中に放出し、浄化油は再び切削油回収タンク１に循環
するようにした。又油・泡分離器４は分離器本体４ａ内
に複数段のフイルタ７ａと７ｂ等を設け、これら複数段
のフイルタ７ａと７ｂ等の中心に配管３ａと、これと同
心の廃油排出用の油排出管８を設け、上部に空気排出管
１０を、下部に切削油回収タンク１への戻し用配管９を
備えている。Means for Solving the Problems A cutting oil recovery tank 1 and
The floating oil floated and separated in the tank 1 is filtered by a strainer 2 and a liquid having passed through the strainer 2 is separated into a high-concentration oil film which is floated and separated by an oil / foam separator 4 at a specific gravity difference. The high-concentration oil film was discharged through the oil discharge pipe 8, the air contained in the foam was released into the air, and the purified oil was circulated again to the cutting oil recovery tank 1. The oil / bubble separator 4 includes a plurality of filters 7a and 7b in a separator body 4a, a pipe 3a in the center of the filters 7a and 7b, and a concentric waste oil discharging oil. A discharge pipe 8 is provided, an air discharge pipe 10 is provided at an upper part, and a return pipe 9 to the cutting oil recovery tank 1 is provided at a lower part.
【０００５】[0005]
【発明の実施の形態】図１に基いて説明する。１は工作
機械切削油回収タンクである。２は切削油の切粉を分離
除去するストレ−ナ、３はポンプ、４は油・泡分離器で
ある。５は油・泡分離器４で分離された廃棄油回収タン
クである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIG. Reference numeral 1 denotes a machine tool cutting oil recovery tank. Reference numeral 2 denotes a strainer for separating and removing chips of cutting oil, 3 a pump, and 4 an oil / foam separator. Reference numeral 5 denotes a waste oil recovery tank separated by the oil / foam separator 4.
【０００６】工作機械切削油回収タンク１は比重差によ
る分離機で、浮上した油は堰をオ−バ−フロ−させて溝
１ａに集める。溝１ａとストレ−ナ２とは配管１ｂで連
結されており、こゝで浮上油に含まれる切粉等は濾過選
別される。ストレ−ナ２を通った油はポンプ３で配管３
ａを介し、油・泡分離器４に送られる。[0006] The machine tool cutting oil recovery tank 1 is a separator based on the difference in specific gravity, and the floating oil is collected in the groove 1a by overflowing the weir. The groove 1a and the strainer 2 are connected by a pipe 1b, and chips and the like contained in the floating oil are filtered and separated. The oil that has passed through the strainer 2
a to the oil / foam separator 4.
【０００７】図３は油・泡分離器の詳細図である。配管
３ａを介し透明材よりなる円筒状の分離器本体４ａに流
入した油は縦管６で上方に流れる。油・泡分離器４内に
は上下２段のフイルタ７ａと７ｂが上下水平に隔設され
ている。なお段数は２段に限られず、２段以上の複数段
でもよい。又縦管６内にはこれと同心の分離された高濃
度の油排出管８が取付けられている。排出管８の上端は
上方のフイルタ７ａより高い位置にある。油・泡分離器
４の分離器本体４ａは透明材で構成されている。なお油
膜レベルに合せて縦管６は上下に調整できるようになっ
ている。FIG. 3 is a detailed view of the oil / foam separator. The oil flowing into the cylindrical separator main body 4a made of a transparent material via the pipe 3a flows upward through the vertical pipe 6. In the oil / bubble separator 4, two upper and lower filters 7a and 7b are vertically separated horizontally. The number of stages is not limited to two, but may be two or more. In the vertical pipe 6, a high-concentration oil discharge pipe 8 which is separated and concentric with the vertical pipe 6 is mounted. The upper end of the discharge pipe 8 is located higher than the upper filter 7a. The separator main body 4a of the oil / foam separator 4 is made of a transparent material. The vertical pipe 6 can be adjusted up and down in accordance with the oil film level.
【０００８】図２で油・泡分離器４の分離器本体４ａの
直径Ｄ及び上部フイルタ７ａの深さｈは油の浮上速度、
処理量で決めるものとする。又フイルタ７ａ，７ｂの孔
径及び段数は油滴の径で決定される。因みに一般に水の
密度は１ｇ／cm3，油の密度０.９ｇ／cm3，空気の密度
０.００１ｇ／cm3である。又油滴径は０.００６cm(６０
μm)程度である。In FIG. 2, the diameter D of the separator main body 4a of the oil / foam separator 4 and the depth h of the upper filter 7a are the floating speed of the oil,
It shall be determined by the processing amount. The hole diameter and the number of stages of the filters 7a and 7b are determined by the diameter of the oil droplet. In general, the density of water is 1 g / cm 3 , the density of oil is 0.9 g / cm 3 , and the density of air is 0.001 g / cm 3 . The oil droplet diameter is 0.006 cm (60
μm).
【０００９】図２に戻り、配管３ａを介し流入した油は
フイルタ７ａの上部に上昇し、こゝで比重差により分離
された高濃度の油膜は中心部の油排出管８にオ−バ−フ
ロ−して流下し廃棄される。又フイルタ７ａ，７ｂを通
って濾過されて油・泡分離器４の底に流下した浄化油
は、再び戻し用配管９から切削油回収タンク１に戻され
る。Returning to FIG. 2, the oil which has flowed in through the pipe 3a rises to the upper part of the filter 7a, and the high-concentration oil film separated by the specific gravity difference overflows to the oil discharge pipe 8 in the center. It flows down and is discarded. The purified oil that has been filtered through the filters 7a and 7b and has flowed to the bottom of the oil / foam separator 4 is returned to the cutting oil recovery tank 1 from the return pipe 9 again.
【００１０】図３は油・泡分離器１１の他の実施形態で
ある。この例に於ては、たとえば上下２段のフイルタ１
３と１４（この場合も２段以上の複数段でもよい）の間
に斜めに設けた多数の孔１６を備えたスカ−トガイド１
５が平行に設けられている。この複数の孔１６を有する
スカ−トガイド１５の存在によって、油をスカ−トガイ
ド１５に沿って凝集させ乍ら浮上させることができ、油
の浮上を効果的に行うことができる。FIG. 3 shows another embodiment of the oil / foam separator 11. In this example, for example, a two-stage filter 1
A skirt guide 1 provided with a large number of holes 16 provided obliquely between 3 and 14 (again, two or more stages may be used).
5 are provided in parallel. Due to the existence of the skirt guide 15 having the plurality of holes 16, the oil can be floated while being coagulated along the skirt guide 15, and the oil can be effectively floated.
【００１１】[0011]
【発明の効果】工作機械で使用する水溶性切削油を切削
油タンク１でまず比重差で分離し、これをストレ−ナ２
で切粉等の固形分を除去し、さらに油・泡分離器４に送
って浮上した高濃度の油膜は排出し、浄化された油分は
元の切削油回収タンク１に戻し循環使用するようにし
た。このように水溶性切削油中の成分には何等影響を与
えないで不純な浮上油のみ分離除去して循環使用できる
ようにしたので、定期交換作業期間の延長が可能とな
り、廃油処理費用の低減、油交換作業回数の低減が可能
となり、その経済的効果はきわめて大である。特に請求
項２は油・泡分離器内に複数段のフイルタを設けたこと
により、油と泡の分離を一段と向上させることができ
る。According to the present invention, a water-soluble cutting oil used in a machine tool is first separated by a specific gravity difference in a cutting oil tank 1, and this is separated into a strainer 2.
To remove the solids such as cuttings, and further discharge the high-concentration oil film which has been sent to the oil / foam separator 4 and floated, and the purified oil is returned to the original cutting oil recovery tank 1 so as to be circulated and used. did. In this way, only the impure floating oil can be separated and removed without affecting the components in the water-soluble cutting oil at all, so that it can be recirculated for use. In addition, the number of oil change operations can be reduced, and the economic effect is extremely large. In particular, in the second aspect, the provision of a plurality of filters in the oil / foam separator can further improve the separation of oil and foam.
【図１】本発明装置の全体図。FIG. 1 is an overall view of a device of the present invention.
【図２】油・泡分離器の詳細図。FIG. 2 is a detailed view of an oil / foam separator.
【図３】本発明の油・泡分離器の第２例を示す部分断面
図。FIG. 3 is a partial sectional view showing a second example of the oil / foam separator of the present invention.
【図４】従来の分離装置を示す。FIG. 4 shows a conventional separation device.
１ 切削油回収タンク 1a 溝 1b 配管 ２ ストレ−ナ ３ ポンプ 3a 配管 ４ 油・泡分離器 4a 分離器本体 ５ 油回収タンク ６ 縦管 7a，7b フイルタ ８ 油排出管 ９ (戻し用)配管 10 空気排出管 11 油・泡分離器 12 分離器本体 13，14 フイルタ 15 スカ−トガイド 16 孔 1 Cutting oil recovery tank 1a Groove 1b piping 2 Strainer 3 Pump 3a piping 4 Oil / foam separator 4a Separator body 5 Oil recovery tank 6 Vertical pipe 7a, 7b Filter 8 Oil discharge pipe 9 (Return) pipe 10 Air Discharge pipe 11 Oil / foam separator 12 Separator body 13, 14 Filter 15 Skeet guide 16 holes
Claims (2)
で浮上分離された浮上油をストレ−ナ(２)で濾過し、ス
トレ−ナ(２)を通過した液を油・泡分離器(４)で比重差
で浮上分離させて高濃度の油膜を分離し、高濃度の油膜
は油排出管(８)で排出し、泡に含まれていた空気は空気
中に放出し、浄化油は再び切削油回収タンク(１)に循環
するようにしたことを特徴とする工作機械における切削
油中の浮上油除去装置。1. A cutting oil recovery tank (1) and said tank (1)
The floating oil separated by flotation is filtered by a strainer (2), and the liquid that has passed through the strainer (2) is separated by flotation with a specific gravity difference by an oil / foam separator (4) to form a high-concentration oil film. Separated, high-concentration oil film was discharged through oil discharge pipe (8), air contained in foam was released into air, and purified oil was circulated again to cutting oil recovery tank (1). A device for removing floating oil in cutting oil in a machine tool, comprising:
複数段のフイルタ(7aと7b・・・)を設け、これら複数段の
フイルタ(7aと7b・・・)の中心に配管(3a)と、これと同心
の廃油排出用の油排出管(８)を設け、上部に空気排出管
(10)を、下部に切削油回収タンク(１)への戻し用配管
(９)よりなる請求項１の工作機械における切削油中の浮
上油除去装置。2. The oil / foam separator (4) is provided with a plurality of filters (7a and 7b...) In a separator body (4a), and the plurality of filters (7a and 7b. A pipe (3a) and a concentric oil discharge pipe (8) for discharging waste oil are provided at the center of the
(10), piping at the bottom to return to the cutting oil recovery tank (1)
The apparatus for removing floating oil in cutting oil in the machine tool according to claim 1, comprising: (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9725697A JPH10286562A (en) | 1997-04-15 | 1997-04-15 | Floating oil removing device in cutting fluid in machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9725697A JPH10286562A (en) | 1997-04-15 | 1997-04-15 | Floating oil removing device in cutting fluid in machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10286562A true JPH10286562A (en) | 1998-10-27 |
Family
ID=14187487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9725697A Pending JPH10286562A (en) | 1997-04-15 | 1997-04-15 | Floating oil removing device in cutting fluid in machine tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10286562A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012018172A3 (en) * | 2010-08-05 | 2012-03-22 | 주식회사 범우에코엔지니어링 | Sludge treatment device of waste crude oil and crude oil and method thereof |
| RU2469957C2 (en) * | 2010-12-17 | 2012-12-20 | Общество с ограниченной ответственностью "Унисервис" | Method of purifying wastewater from car wash |
| CN104671617A (en) * | 2015-03-12 | 2015-06-03 | 大连交通大学 | Integrated treatment equipment for mixed waste cutting fluid and domestic sewage |
| CN107460346A (en) * | 2017-06-01 | 2017-12-12 | 深圳诺智研机械研究设计有限公司 | A kind of simple cleaning-type rare-earth feed liquid deoiling device |
-
1997
- 1997-04-15 JP JP9725697A patent/JPH10286562A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012018172A3 (en) * | 2010-08-05 | 2012-03-22 | 주식회사 범우에코엔지니어링 | Sludge treatment device of waste crude oil and crude oil and method thereof |
| RU2469957C2 (en) * | 2010-12-17 | 2012-12-20 | Общество с ограниченной ответственностью "Унисервис" | Method of purifying wastewater from car wash |
| CN104671617A (en) * | 2015-03-12 | 2015-06-03 | 大连交通大学 | Integrated treatment equipment for mixed waste cutting fluid and domestic sewage |
| CN104671617B (en) * | 2015-03-12 | 2016-04-27 | 大连交通大学 | Used cutting liquid and sanitary sewage mixing aftertreatment integration apparatus |
| CN107460346A (en) * | 2017-06-01 | 2017-12-12 | 深圳诺智研机械研究设计有限公司 | A kind of simple cleaning-type rare-earth feed liquid deoiling device |
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