JP2012125909A - Processing device of coolant liquid - Google Patents

Processing device of coolant liquid Download PDF

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Publication number
JP2012125909A
JP2012125909A JP2010294714A JP2010294714A JP2012125909A JP 2012125909 A JP2012125909 A JP 2012125909A JP 2010294714 A JP2010294714 A JP 2010294714A JP 2010294714 A JP2010294714 A JP 2010294714A JP 2012125909 A JP2012125909 A JP 2012125909A
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coolant
tank
coolant liquid
cylinder
processing device
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Yoshitsugu Inoue
佳嗣 井上
Naoko Saruwatari
直子 猿渡
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

PROBLEM TO BE SOLVED: To provide a processing device of a coolant liquid where metal powder, dust or the like hardly accumulates in a bottom of a coolant tank and a coolant liquid is hardly deteriorated.SOLUTION: The inside of a coolant tank 10 composed by forming a lower part of a cylindrical tank body into an inverted conical shape is partitioned by a cross-sectionally circular pipe body 12; a flow passageway 15 is formed to enter a coolant liquid discharged from a processing device 11; inlet ports 16 are formed to pass through the lower part of the pipe body 12; an immersion pump 18 is arranged; the pipe body is formed as a mixture tank 28 by mixing a coolant liquid discharged from the processing device 11 with the coolant liquid outside the pipe body 12; a flow passageway 17 is formed to feed the mixed coolant liquid from the mixture tank 28 to a separation device 30 arranged outside a coolant layer 10; and a flow passageway 21 is formed so that the coolant liquid processed by the separation device 30 is delivered to the coolant tank 10 from the lateral direction to be brought into a spiral state in the same direction as that of the immersion pump 18 in the coolant tank 10.

Description

本発明は工作機械等の加工装置で使用されたクーラント液の処理装置に関するもので、外部に設けられた分離装置で処理されたクーラント液を再度渦流によって分離して、洗浄度の高いクーラント液を加工装置で再利用する処理装置に関するものである。  The present invention relates to a coolant liquid processing apparatus used in a processing apparatus such as a machine tool. The coolant liquid processed by a separation device provided outside is separated again by a vortex to obtain a highly clean coolant liquid. The present invention relates to a processing apparatus that is reused in a processing apparatus.

現在、日本での金属加工にはクーラント液として水溶性加工液が発火の危険性の無い事、水で希釈する為に安価である事から多く使用されている。水溶性加工液の問題点として腐敗が起こり、この腐敗の多くの原因は加工液に混入する加工金属粉、砥石粉等と機械油をバクテリアが食する事によりバクテリアが繁殖、腐敗するので、この原因となるゴミ、油を除去する必要がある。  Currently, water-soluble machining fluid as a coolant is often used for metalworking in Japan because it has no risk of ignition and is inexpensive because it is diluted with water. Corrosion occurs as a problem with water-soluble machining fluids, and many causes of this decay are due to bacteria breeding and decaying by eating processed metal powder, grinding stone powder, etc. and machine oil mixed in the machining fluid. It is necessary to remove the causative dust and oil.

上記の問題を解決するために、クーラント液を渦流によって浄化して再度工作機械等の加工装置で使用することに関して例えば特開２００１−２７７０６７に開示されるように、従来から種々の発明がなされている。しかしながら、同公報で開示されている装置においては使用済のクーラント液を収納するタンクが一つであるため、当該タンク内壁近傍にある洗浄度の高いクーラント液と同タンク中央部にある洗浄度の高いクーラント液とが入り混じってしまう虞があり、浄化効率が悪化してしまう問題があった。  In order to solve the above problems, various inventions have been made in the past as disclosed in, for example, Japanese Patent Application Laid-Open No. 2001-277067, in which coolant liquid is purified by vortex and used again in a processing apparatus such as a machine tool. Yes. However, in the apparatus disclosed in the publication, since there is one tank for storing the used coolant liquid, the high cleanliness coolant liquid in the vicinity of the inner wall of the tank and the cleanliness level in the center of the tank are the same. There is a possibility that high coolant liquid enters and mixes, and there is a problem that purification efficiency deteriorates.

上記の問題を解決するために、特開２００３−１７５４３７及び従来技術として図３に示されるように、工作機械等の加工装置１１より排出されたクーラント液を渦流状態で収納するとともに、中央底面から排出させる吐出口１を有する第一クーラント槽２と、この第一クーラント槽２の外側でクーラント液を渦流状態で収納するとともに、下方で第一クーラント槽の前記吐出口１と連通した第二クーラント槽３と、この吐出されたクーラント液を第二クーラント槽２に導く排出部４とポンプ１３と流通路５で構成することによって、クーラント液を二つのクーラント槽で渦巻き状態で収納するよう構成されている。  In order to solve the above problems, as shown in FIG. 3 as Japanese Patent Laid-Open No. 2003-175437 and the prior art, the coolant discharged from the processing apparatus 11 such as a machine tool is stored in a vortex state, and from the center bottom surface. A first coolant tank 2 having a discharge port 1 to be discharged, and a second coolant that stores the coolant liquid in a swirl state outside the first coolant tank 2 and communicates with the discharge port 1 of the first coolant tank below. By configuring the tank 3, the discharge portion 4 that guides the discharged coolant liquid to the second coolant tank 2, the pump 13, and the flow path 5, the coolant liquid is configured to be stored in a spiral state in the two coolant tanks. ing.

特開２００１−２７７０６７ 号公報  JP 2001-277067 A 特開２００３−１７５４３７ 号公報  JP 2003-175437 A

図３に示される従来の構造では、加工装置１１から排出されたクーラント液は第一クーラント槽２に渦流状態で収納されて洗浄度の低いクーラント液は下部に沈み、他方第二クーラント槽３には、被処理されたクーラント液が渦流状態で収納されて下部の洗浄度の低いクーラント液は、前記第一クーラント槽２の下部の洗浄度の低いクーラント液とともに吐出口１から下方の排出部４に落下され、ポンプ１３によって送られ、流通路５を通って第二クーラント槽３に戻るよう構成されている。  In the conventional structure shown in FIG. 3, the coolant liquid discharged from the processing apparatus 11 is stored in a vortex state in the first coolant tank 2, and the coolant liquid with a low degree of cleaning sinks to the lower part, while the coolant liquid is stored in the second coolant tank 3. The coolant liquid to be treated is stored in a swirl state, and the coolant liquid having a low degree of cleanliness in the lower part is discharged together with the coolant liquid having a low degree of cleanliness in the lower part of the first coolant tank 2 from the discharge port 1 to the lower discharge part 4. And is sent by the pump 13 to return to the second coolant tank 3 through the flow passage 5.

従って、洗浄度の低いクーラント液は下方に落下するのでクーラント槽２及び３には吐出口１及び排出部４が必要で、その後ポンプ１３によって上方に送られるが、その上この排出部４及びクーラント槽２の底部は角型であるため、底部に金属粉、ゴミ４７が溜まりクーラント液が劣化していなくても底部清掃の為に液を交換しているのが現状で、又この廃液はＣＯ２発生の元ともなっている。  Accordingly, since the coolant having a low cleaning degree falls downward, the coolant tanks 2 and 3 need the discharge port 1 and the discharge part 4 and are then sent upward by the pump 13. Since the bottom of the tank 2 has a square shape, metal powder and dust 47 accumulate on the bottom and the liquid is exchanged for cleaning the bottom even if the coolant is not deteriorated. It is also the source of the outbreak.

底部に金属粉、ゴミ等が溜まらないよう、円筒状のタンク本体の下部を逆円錐状に形成したクーラント槽の内側を、筒体で仕切り、この筒体に加工装置から排出されるクーラント液が流入するよう流通路を設け、前記筒体の下部に吸込み口を透設し、この筒体の内側に浸漬ポンプを設けて、加工装置から排出されるクーラント液と筒体の外側のクーラント液とを混合することによって、この筒体の内側を混合槽として構成し、この混合槽から前記クーラント層の外部に設けられた分離装置に混合されたクーラント液を送るよう流通路を設け、前記分離装置で処理されたクーラント液を前記クーラント槽に横方向から送ってクーラント槽内で前記浸漬ポンプと同じ方向に渦巻き状態になるよう流通路を設け、処理された洗浄度の高いクーラント液を前記加工装置で再利用するよう配管したことを特徴とするクーラント液の処理装置。  In order to prevent metal powder, dust, etc. from accumulating at the bottom, the inside of the coolant tank with the bottom of the cylindrical tank body formed in an inverted conical shape is partitioned by a cylinder, and the coolant liquid discharged from the processing device is stored in this cylinder. A flow passage is provided so as to flow in, a suction port is formed in the lower part of the cylinder, a dip pump is provided inside the cylinder, and a coolant liquid discharged from the processing apparatus and a coolant liquid outside the cylinder The inside of the cylinder is configured as a mixing tank, and a flow passage is provided to send the mixed coolant liquid from the mixing tank to a separator provided outside the coolant layer. A coolant having a high degree of cleanliness is provided by providing a flow passage so that the coolant liquid treated in step 1 is sent from the lateral direction to the coolant tank and spiraling in the same direction as the immersion pump in the coolant tank. Coolant processing apparatus, wherein a has a pipe to reuse in the processing apparatus.

クーラント槽の下部を逆円錐状に形成したので、ゴミ、泥等が溜まることがなく、加工装置から排出される未処理のクーラント液と筒体の外側の被処理のクーラント液とを混合して浸漬ポンプで外部に設けられた分離装置に送られて油、ゴミを分離して、元のクーラント槽に循環して、ここでも油、ゴミが分離されるので、油、水、ゴミの分離効率は非常によく、又浸漬ポンプは混合されたクーラント液を上方に送るので従来の排出部４は必要でなく、従って構造も簡単でゴミ、泥等を除く労力も不要である。  Since the lower part of the coolant tank is formed in an inverted conical shape, dust, mud, etc. do not accumulate, and the untreated coolant liquid discharged from the processing device is mixed with the untreated coolant liquid outside the cylinder. Oil and debris are separated by an immersion pump and sent to an external separation device and circulated to the original coolant tank, where oil and debris are separated. The dip pump feeds the mixed coolant liquid upward, so that the conventional discharge part 4 is not necessary, and therefore the structure is simple and labor for removing dust, mud, etc. is not required.

本発明による、クーラント液処理装置の全体斜視図を示す。  1 shows an overall perspective view of a coolant processing apparatus according to the present invention. 図１のクーラント槽１０の縦断面図を示す。  The longitudinal cross-sectional view of the coolant tank 10 of FIG. 1 is shown. 従来のクーラント液の処理装置を示す。  1 shows a conventional coolant liquid processing apparatus.

以下図面により、本発明の実施例について説明する。図１は本発明によるクーラント液処理装置の全体斜視図を示し、図２は図１のクーラント槽１０の縦断面図を示し、図３は従来のクーラント液の処理装置を示す。図１及び図２に示されるように、クーラント槽１０の下部は底部に金属粉、ゴミ等が溜まらないよう、円筒状のタンク本体の下部を逆円錐状に形成し、このクーラント槽１０の内部を断面円形の筒体１２で仕切り、この筒体１２に加工装置１１から排出されるクーラント液をマグネットセパレータ１４を通って、クーラント液に含まれる金属を取除いた後、筒体１２の内部に流入するよう流通路１５を設け、前記筒体１２の下部に吸込み口１６を透設し、筒体１２の内側に浸漬ポンプ１８を設け、この浸漬ポンプ１８は軸２０に取付けた羽根２２をモータ２４によって回動して、筒体１２の外側のクーラント液を吸込み口１６から上方に吸上げ、前記流通路１５から流入したクーラント液と混合するので、筒体１２の内側は混合槽２８として構成されている。  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an overall perspective view of a coolant processing apparatus according to the present invention, FIG. 2 shows a longitudinal sectional view of the coolant tank 10 of FIG. 1, and FIG. 3 shows a conventional coolant processing apparatus. As shown in FIG. 1 and FIG. 2, the lower part of the coolant tank 10 is formed in an inverted conical shape at the bottom of the cylindrical tank body so that metal powder, dust, etc. are not collected at the bottom. Is separated by a cylindrical body 12 having a circular cross section, and the coolant liquid discharged from the processing device 11 is passed through the magnet separator 14 to remove the metal contained in the coolant liquid. A flow passage 15 is provided so as to flow in, a suction port 16 is formed in the lower part of the cylinder 12, and an immersion pump 18 is provided inside the cylinder 12. The immersion pump 18 is configured to drive a blade 22 attached to a shaft 20 with a motor. 24, the coolant liquid outside the cylinder 12 is sucked upward from the suction port 16 and mixed with the coolant liquid flowing in from the flow passage 15, so that the inside of the cylinder 12 serves as a mixing tank 28. It has been made.

混合槽２８の内部のクーラント液は流通路１７を通って、分離装置３０に送られる。この分離装置３０は公知のもので、円筒形１２の本体内側にクーラント液を横方向から送って、内部で渦流状態にして、クーラント液に含まれる軽い油は上方に分離させて流通路１９を通って分離槽３２に送られ、重いゴミを下方に集めて、クーラント液の洗浄度を高めるもので、洗浄度が高められたクーラント液は流通路２１を通って、前記クーラント槽１０に横方向から流入させ、内部で渦流状態になりここでも、洗浄度が高められるよう構成されている。  The coolant liquid inside the mixing tank 28 is sent to the separation device 30 through the flow passage 17. This separation device 30 is a well-known device, and the coolant liquid is sent from the lateral direction to the inside of the cylindrical body 12 so as to make a vortex inside, so that the light oil contained in the coolant liquid is separated upward, and the flow passage 19 is formed. It is sent to the separation tank 32 and collects heavy debris downward to increase the cleaning degree of the coolant liquid. The coolant liquid with the increased cleaning degree passes through the flow passage 21 to the coolant tank 10 in the lateral direction. It is configured to be swirled inside and to be vortexed inside to increase the cleaning degree.

前記クーラント槽１０内で最もクーラント液の洗浄度が高められた部分は前記円筒形１２の外側の上部近傍であるから、この部分を開口してここから流通路２３を通ってポンプ２５により、元の加工装置１１に洗浄度が高められたクーラント液が送られて再利用されるが、このポンプ２５より浸漬ポンプ１８の能力を高くしてクーラント槽１０の底部に溜まったゴミは確実に混合槽内に吸込まれて混合され、分離装置３０に送られる。  The portion of the coolant tank 10 where the cleaning degree of the coolant liquid is most enhanced is in the vicinity of the upper part of the outer side of the cylindrical shape 12. Therefore, this portion is opened and the pump 25 is passed through the flow passage 23 from here. The coolant having a higher cleaning degree is sent to the processing device 11 and reused. However, the capacity of the immersion pump 18 is made higher than that of the pump 25, and the dust accumulated at the bottom of the coolant tank 10 is surely mixed. It is sucked in and mixed, and sent to the separation device 30.

腐敗の多くの原因はクーラント液に混入する加工金属液、砥石粉等と機械油である。これらをバクテリアが食することによりバクテリアが繁殖、腐敗するが、この原因であるゴミ、油分を除去することにより腐敗しにくくなる。ゴミは上記のクーラント槽１０及び分離装置３０で除去されるが、油分は上記のクーラント槽１０の渦流の中は上部外周部に多く集まるので、この外周部に排出口３４を透設して、クーラント槽１０と連通する分離タンク３６を設けて油分の多いクーラント液をこの分離タンク３６に落として、上部に浮いた油分をフロートサクション３８に集めて流通路４９を通って、ポンプ２７により分離槽３２に送られて油水分離が行なわれ、水分は流通路４９を通って分離槽３２に流入する。  Many causes of spoilage are machined metal fluids, grindstone powders and machine oils mixed in the coolant fluid. Bacteria grow and rot when they are eaten by them, but it becomes difficult to rot by removing dust and oil that are the cause. Dust is removed by the coolant tank 10 and the separation device 30 described above, but the oil is mostly collected in the upper outer peripheral portion in the vortex of the coolant tank 10, so a discharge port 34 is provided through the outer peripheral portion, A separation tank 36 communicating with the coolant tank 10 is provided to drop the coolant liquid containing a large amount of oil into the separation tank 36, and the oil floating on the upper part is collected in the float suction 38, passed through the flow passage 49, and separated by the pump 27. The oil and water are separated by being sent to 32, and the water flows into the separation tank 32 through the flow passage 49.

水溶性加工液の問題点として、腐敗が起こり液交換の必要があるのに加え液の蒸発等により液量が低下し、水の補充、原液の補充をする必要があり安定使用には労力を要する。槽１０の液量が減少するとクーラント槽１０の排出口３４を通ってクーラント液が分離タンク３６に流れ込まなくなるとポンプ２７は液を分離槽３２に送っているので、自ずと分離タンク３６の液面は低下する。この時、分離タンク３６内に設けたレベルスイッチ４０が下限を打つと電線４２を通じて電気信号が送られて自動的に水道水の電磁バルブ４４が開くとともに原液タンク４６に接続されている定量ポンプ３１が起動し、定められた濃度の調合液をクーラント槽１０に流通路３３を流れてクーラント槽１０に流入する。クーラント槽１０の液面が上昇すると排出口３４より液が分離タンク３６に流入して液面が上がりレベルスイッチ４０の上限を打ち、液量が確保され、この時電磁弁４６定量ポンプ３１も停止して常に自動的にクーラント槽１０の水量は確保されるよう構成されている。  The problem with water-soluble processing fluids is that they will rot and need to be replaced, but the volume of the solution will drop due to evaporation of the solution, and it will be necessary to replenish water and replenish the stock solution. Cost. When the amount of the liquid in the tank 10 decreases, the pump 27 sends the liquid to the separation tank 32 when the coolant liquid does not flow into the separation tank 36 through the discharge port 34 of the coolant tank 10. descend. At this time, when the level switch 40 provided in the separation tank 36 hits the lower limit, an electric signal is sent through the electric wire 42 to automatically open the tap water electromagnetic valve 44 and connect the metering pump 31 to the stock solution tank 46. Is activated, and the liquid having a predetermined concentration flows into the coolant tank 10 through the flow passage 33 and flows into the coolant tank 10. When the liquid level of the coolant tank 10 rises, the liquid flows into the separation tank 36 from the discharge port 34, the liquid level rises, hits the upper limit of the level switch 40, and the amount of liquid is secured. At this time, the solenoid valve 46 metering pump 31 also stops. Thus, the amount of water in the coolant tank 10 is always ensured automatically.

１ 吐出口
２ 第一クーラント槽
３ 第二クーラント槽
４ 排出部
５ 流通路
１０ クーラント槽
１１ 加工装置
１２ 断面円形の筒体
１３ ポンプ
１４ マグネットセパレータ
１５ 流通路
１６ 吸込み口
１７ 流通路
１８ 浸漬ポンプ
１９ 流通路
２０ 軸
２１ 流通路
２２ 羽根
２５ 流通路
２４ モータ
２７ ポンプ
２８ 混合槽
２９ 流通路
３０ 分離装置
３１ ポンプ
３２ 分離槽
３３ 流通路
３４ 排出口
３６ 分離タンク
３８ フロートサクション
４０ レベルスイッチ
４２ 電線
４４ 電磁バルブ
４６ 原液タンク
４７ ゴミ
４９ 流通路DESCRIPTION OF SYMBOLS 1 Discharge port 2 1st coolant tank 3 2nd coolant tank 4 Discharge part 5 Flow path 10 Coolant tank 11 Processing apparatus 12 Cylindrical body 13 Pump 14 Magnet separator 15 Flow path 16 Suction port 17 Flow path 18 Immersion pump 19 Distribution Path 20 Shaft 21 Flow path 22 Blade 25 Flow path 24 Motor 27 Pump 28 Mixing tank 29 Flow path 30 Separating device 31 Pump 32 Separation tank 33 Flow path 34 Discharge port 36 Separation tank 38 Float suction 40 Level switch 42 Electric wire 44 Electromagnetic valve 46 Stock solution tank 47 Garbage 49 Flow path

Claims (1)

底部に金属粉、ゴミ等が溜まらないよう、円筒状のタンク本体の下部を逆円錐状に形成したクーラント槽の内側を、筒体で仕切り、この筒体に加工装置から排出されるクーラント液が流入するよう流通路を設け、前記筒体の下部に吸込み口を透設し、この筒体の内側に浸漬ポンプを設けて、加工装置から排出されるクーラント液と筒体の外側のクーラント液とを混合することによって、この筒体の内側を混合槽として構成し、この混合槽から前記クーラント層の外部に設けられた分離装置に混合されたクーラント液を送るよう流通路を設け、前記分離装置で処理されたクーラント液を前記クーラント槽に横方向から送ってクーラント槽内で前記浸漬ポンプと同じ方向に渦巻き状態になるよう流通路を設け、処理された洗浄度の高いクーラント液を前記加工装置で再利用するよう配管したことを特徴とするクーラント液の処理装置。  In order to prevent metal powder, dust, etc. from accumulating at the bottom, the inside of the coolant tank with the bottom of the cylindrical tank body formed in an inverted conical shape is partitioned by a cylinder, and the coolant liquid discharged from the processing device is stored in this cylinder. A flow passage is provided so as to flow in, a suction port is formed in the lower part of the cylinder, a dip pump is provided inside the cylinder, and a coolant liquid discharged from the processing apparatus and a coolant liquid outside the cylinder The inside of the cylinder is configured as a mixing tank, and a flow passage is provided to send the mixed coolant liquid from the mixing tank to a separator provided outside the coolant layer. A coolant having a high degree of cleanliness is provided by providing a flow passage so that the coolant liquid treated in step 1 is sent from the lateral direction to the coolant tank and spiraling in the same direction as the immersion pump in the coolant tank. Coolant processing apparatus, wherein a has a pipe to reuse in the processing apparatus.
JP2010294714A 2010-12-15 2010-12-15 Processing device of coolant liquid Pending JP2012125909A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2727683A1 (en) 2012-10-30 2014-05-07 Jtekt Corporation Coolant system
JP2014155974A (en) * 2013-02-15 2014-08-28 Jtekt Corp Coolant system
JP2015044246A (en) * 2013-08-27 2015-03-12 いすゞ自動車株式会社 Coolant cleaning device
CN108067105A (en) * 2016-11-18 2018-05-25 天津冰利蓄冷科技有限公司 A kind of cold-storage material production system and production method
CN109822393A (en) * 2019-04-08 2019-05-31 苏州帝瀚环保科技股份有限公司 The temperature control method of lathe liquid case
CN114210101A (en) * 2021-11-19 2022-03-22 山东润德生物科技有限公司 Separation system of products in glucosamine hydrolysate

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2727683A1 (en) 2012-10-30 2014-05-07 Jtekt Corporation Coolant system
CN103786064A (en) * 2012-10-30 2014-05-14 株式会社捷太格特 Coolant system
JP2014087871A (en) * 2012-10-30 2014-05-15 Jtekt Corp Coolant system
US9393571B2 (en) 2012-10-30 2016-07-19 Jtekt Corporation Coolant system
JP2014155974A (en) * 2013-02-15 2014-08-28 Jtekt Corp Coolant system
JP2015044246A (en) * 2013-08-27 2015-03-12 いすゞ自動車株式会社 Coolant cleaning device
CN108067105A (en) * 2016-11-18 2018-05-25 天津冰利蓄冷科技有限公司 A kind of cold-storage material production system and production method
CN109822393A (en) * 2019-04-08 2019-05-31 苏州帝瀚环保科技股份有限公司 The temperature control method of lathe liquid case
CN114210101A (en) * 2021-11-19 2022-03-22 山东润德生物科技有限公司 Separation system of products in glucosamine hydrolysate

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