WO2003043770A1 - Systeme de traitement d'un fluide d'usinage pour machine d'usinage par etincelage - Google Patents

Systeme de traitement d'un fluide d'usinage pour machine d'usinage par etincelage Download PDF

Info

Publication number
WO2003043770A1
WO2003043770A1 PCT/JP2001/010133 JP0110133W WO03043770A1 WO 2003043770 A1 WO2003043770 A1 WO 2003043770A1 JP 0110133 W JP0110133 W JP 0110133W WO 03043770 A1 WO03043770 A1 WO 03043770A1
Authority
WO
WIPO (PCT)
Prior art keywords
powder
fluid
processing
filter
machining
Prior art date
Application number
PCT/JP2001/010133
Other languages
English (en)
Japanese (ja)
Inventor
Toshihiro Enya
Tsuneo Kawaguti
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to PCT/JP2001/010133 priority Critical patent/WO2003043770A1/fr
Priority to TW090129270A priority patent/TW529975B/zh
Publication of WO2003043770A1 publication Critical patent/WO2003043770A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
    • B23H1/10—Supply or regeneration of working media

Definitions

  • the present invention relates to an improvement in a machining fluid processing device of an electric discharge machine for performing electric discharge machining by switching between an oil-based machining fluid and a machining fluid in which a conductive powder material is mixed in the oil-based machining fluid.
  • Fig. 3 is an explanatory diagram showing the outline of the configuration of a machining fluid treatment device of a conventional electric discharge machine.
  • Machining fluid tank for storing fluid 4a is a sewage tank of machining fluid tank 4, 4b is a clear fluid tank of machining fluid tank 4, 5 is a conductive powdery substance, 6 is conductive to oil-based machining fluid Machining fluid tank containing a machining fluid (hereinafter referred to as powder solution) containing powdered material 5 containing powders, 7 and 8 are machining waste generated by electric discharge machining, 9 is machining tank 3 to machining fluid tank 4
  • a valve for discharging the processing fluid from the processing tank 3 to the powder processing liquid tank 6 a valve for discharging the processing liquid from the processing tank 3, and 11 and 12 are oils from the processing liquid tank 4 to the processing tank 3.
  • Pumps and valves for supplying system machining fluid, 13 and 14 supply powder machining fluid from powder machining fluid tank 6 to machining tank 3
  • Pumps and valves, 15 and 16 are pumps and filtration means for removing processing debris 7 from the waste liquid in the waste tank 4a, and 17 and 18 are when the powder material 5 has reached the end of its life.
  • oil-based machining fluid is used in roughing (hereinafter referred to as oil machining), and powder machining fluid is used in finishing machining (hereinafter referred to as powder machining).
  • FIG. 4 is an explanatory diagram showing a flow of processing performed using a machining fluid treatment device of a conventional electric discharge machine.
  • the powder material 5 since the powder material 5 has a limited life when used for a certain period of time in electric discharge machining, after the powder machining has been performed for a certain period of time, the powder material 5 and the processing waste 8 in the powder machining fluid are collected and a new powder is obtained. Substance 5 needs to be supplied.
  • the recovery of the powdery substance 5 and the processing waste 8 in the powder processing liquid is performed, for example, as follows.
  • the powder processing time is integrated by the timer in the control means (not shown), and when the integrated time reaches the set value, the powder collection time is displayed on a display screen (not shown) to notify the worker.
  • the operator who sees this display turns on the powder recovery switch, sends the powder processing fluid to the filtering means 18 by the pump 17, and collects the powdered substance 5 and processing waste 8 from the processing fluid. After collecting the powdered substance 5 and the processing waste 8, the operator supplies new powdered substance 5 into the working fluid.
  • the conventional machining fluid treatment device of the electric discharge machine is configured as described above, two types of machining fluids, ie, an oil-based machining fluid and a powder machining fluid, are required for the capacity of the machining tank 3.
  • machining fluid processing equipment for large electric discharge machines has the problem that the capacity of the machining tank may exceed several thousand liters, and it requires enormous costs to secure a large amount of machining fluid and installation space.
  • An object of the present invention is to provide a machining fluid treatment device for an electric discharge machine, which can reduce the capacity and installation space of a tank for storing a machining fluid in a machining fluid treatment device for an electric machining machine.
  • a machining fluid treatment device for an electric discharge machine is a machining fluid treatment device for an electric discharge machine that performs machining by switching between an oil-based machining fluid and a machining fluid in which a conductive powder material is mixed into an oil-based fluid.
  • a processing liquid tank comprising a waste liquid tank and a clear liquid tank; and an oil filtering means provided with a filter for filtering waste liquid in the waste liquid tank and removing processing waste in the waste liquid.
  • a filtering means for powder provided with a filter for filtering the working fluid and removing the powder material in the working fluid; and flowing a pressure fluid from a downstream side to an upstream side of the filtering part of the filtering means for powder.
  • a powder substance removing means for removing the powder substance adhering to the filter surface of the powder filtering means.
  • the machining fluid treatment device of the electric discharge machine includes a powder material disposal means for storing the powder substance removed by the powder substance removal means and collectively discarding a predetermined amount of the powder substance. .
  • the machining fluid treatment apparatus for an electric discharge machine is a machining fluid for an electric discharge machine which performs machining by switching between an oil-based machining fluid and a machining fluid in which a conductive powder material is mixed into the oil-based machining fluid.
  • a processing apparatus comprising: a processing liquid tank including a waste liquid tank and a clear liquid tank; and a filter for oil including a filter for filtering waste liquid in the waste liquid tank and removing dust from the waste liquid.
  • the machining fluid treatment device of the electric discharge machine includes: a machining waste disposal unit configured to store machining waste removed by the machining waste removal unit and collectively discard machining waste accumulated in a certain amount; and the powder material. It is provided with at least one of powder substance disposal means for storing the powder substance removed by the removal means and collectively discarding a predetermined amount of the powder substance.
  • the powder filtering means can store the powder material removed from the filter of the powder filtering means by the powder material removing means,
  • a supply means is provided for supplying the stored powdered substance to the working fluid in the working fluid tank.
  • the machining fluid treatment device of the electric discharge machine is configured as described above, the machining fluid treatment device of the electric discharge machine used for electric discharge machining by switching between an oil-based machining fluid and a powder machining fluid. In this case, since two tanks for storing the machining fluid are not required, the capacity and installation space of the tank for storing the machining fluid can be reduced.
  • FIG. 1 is an explanatory diagram showing a configuration of a machining fluid treatment device for an electric discharge machine according to an embodiment of the present invention.
  • FIG. 2 is an explanatory diagram showing a flow of machining performed using the machining fluid treatment device of the electric discharge machine according to the embodiment of the present invention.
  • FIG. 3 is an explanatory diagram showing an outline of the configuration of a conventional machining fluid treatment apparatus for an electric discharge machine.
  • FIG. 4 is an explanatory diagram showing a flow of processing performed using a machining fluid treatment device of a conventional electric discharge machine.
  • FIG. 1 is an explanatory diagram showing a configuration of a machining fluid treatment apparatus of an electric discharge machine according to an embodiment of the present invention, in which 1 is an electrode, 2 is a workpiece, 3 is a machining tank, and 5 is Conductive powder material, 9 is a valve for discharging the machining fluid from machining tank 3 to machining fluid tank 19, 19a is a waste fluid tank of machining fluid tank 19, 19b is a machining fluid tank 19 clear liquid tank, 19 c is partition plate, 19 d is a window, 20 is a quick filling pump, 21 is a quick filling valve, 2 2 is a stirring valve in the processing tank, 2 3 is a constant ejection pump, 24 a and 24 b are stirring pipes,
  • 25 is a machining fluid discharge pump
  • 26 is an oil discharge filter valve
  • 27 is a powder discharge filter valve
  • 28 is a filtration pump
  • 29 is a filter means inlet valve
  • 30 is a filter means outlet valve
  • 3 1 is an oiled waste bag valve
  • 3 2 is an oiled waste box
  • 3 2a is an oil processing waste bag
  • 3 3 is a powder recovery inlet valve
  • 3 4 is a powder recovery outlet valve
  • 3 5 is a powder processing waste bag valve
  • 3 6 is a powder processing waste box
  • 3 6a is a powder processing waste bag
  • 37 is a working fluid circulation valve
  • 38 is an oil filtering means
  • 38 a is a filter made up of laminated vapor wafers, etc.
  • 38 b is an air valve
  • 38 c is an oil discharge valve
  • 3 9 is a powder filtration means
  • 39 a is a filter made up of laminated paper wafers, for example, 39 b is an air valve
  • 39 c is a powder supply valve
  • 40 is a liquid cooling pump
  • 41 is a processing liquid.
  • Temperature control device 42 is a pump for stirring in the waste liquid tank
  • 42 a is a pipe for stirring
  • 43 is a pump for stirring in the liquid tank
  • 43 a is a pipe for stirring.
  • filtration is performed by flowing compressed air from a compressed air supply source (not shown) such as a compressor, for example, from the downstream side to the upstream side of the filter 38a of the oil filtering means 38. Processing debris attached to the surface of the vessel 38a is removed.
  • the compressed air supply source, the air valve 38b, and the like correspond to processing waste removing means having a function of removing processing waste from the filter 38a.
  • the air valve 39 b By opening the air valve 39 b By flowing compressed air from a compressed air supply source (not shown) from the downstream side to the upstream side of the filter 39 a of the filter means 39 for powder, the powder substance 5 adhered to the surface of the filter 39 a Etc. are removed.
  • the compressed air supply source, the air valve 39b and the like correspond to a powder substance removing means having a function of removing the powder substance 5 and the like from the filter 39a.
  • the oil processing waste bag 32a is equivalent to a processing waste disposal means capable of storing processing waste removed from the surface of the filter 38a and collectively discarding a fixed amount of processing waste.
  • the powder processing waste bag 36 a is equivalent to a powder material disposal means that stores the powder material 5 and the like removed from the surface of the filter 39 a and collectively discards a fixed amount of the powder material 5 and the like.
  • the agitating pipes 24a, 24b, 42a and 43a are pipes for which several small holes have been drilled, and the machining fluid is ejected from these small holes. Is stirred.
  • FIG. 2 is an explanatory diagram showing a flow of machining performed using the machining fluid treatment device of the electric discharge machine according to the embodiment of the present invention.
  • the machining fluid containing machining waste generated by electric discharge machining is discharged from the machining tank 3 to the dirty liquid tank 19a of the machining liquid tank 19 by opening the valve 9.
  • the filtration means inlet valve 29 and the filtration means outlet valve 30 are opened, and the filtration pump 28 is driven to filter the contaminated liquid stored in the contaminated liquid tank 19 a of the processing liquid tank 19 for oil. It is supplied to the means 38, the processing waste in the waste liquid is removed by the filter 38a, and the processing liquid which has become the cleaning liquid is sent to the cleaning liquid tank 19b.
  • liquid cooling pump 40 is driven, and the temperature of the liquid to be added is controlled to be substantially constant by the processing liquid temperature controller 41.
  • the oil processing time is integrated by a timer in the control means (not shown), and when the integrated time reaches the set value, the filtration pump 28 is stopped, and the filtration means inlet valve 29 and the filtration means outlet valve 30 is closed, the oil discharge valve 38c is opened, and the processing fluid in the oil filtration means 38 is discharged to the waste liquid tank 19a. After a certain period of time, the oil discharge valve 38c is closed, and the oil processing waste bag valve 31 and the air valve 38b are opened, so that the compressed air supply (not shown) moves from the downstream side to the upstream side of the filter 38a.
  • the jet pump 23 is always stopped and the valve 9 is closed.
  • the driving of the filtration pump 28 for a certain period of time is continued, and the waste liquid stored in the waste liquid tank 19 a of the machining liquid tank 19 is supplied to the oil filtration means 38 to be filtered.
  • the partition 19c is formed with a window 19d that opens only in the direction of arrow A in the figure due to the pressure difference, and the working fluid in the clean liquid tank 19b flows into the dirty liquid tank 19a, causing The processing liquid in the liquid tank 19a also becomes a clear liquid.
  • the processing waste is removed. That is, the processing pump stored in the processing tank 3 is stopped by stopping the filtration pump 28, closing the filtration means inlet valve 29, driving the processing liquid discharge pump 25, and opening the oil discharge filtration valve 26. Is sent to the oil filtration means 38, the processing waste in the waste liquid is removed by the filter 38a, and sent to the fresh liquid tank 19b as a fresh liquid.
  • powder processing is performed. Before powder processing, first, it is checked whether or not the powdered substance 5 is stored in the powder filtering means 39. If the powder material 5 is discarded in the process (2), for example, "Powder substance replenishment” is displayed on the screen display of the not-shown display means. If there is an indication of "replenishment”, it is determined that the powdered substance 5 is not stored in the powder filtration means 39. Judge that 5 is stored.
  • powdered substance 5 is stored in the powder filtration means 3 9, the process 4— 1 When the powdered substance 5 is not stored in the powder filtration means 39, the powdered substance 5 is supplied manually or automatically, and then the step II-2 is performed. ⁇ Powder substance supply by powder substance removal means
  • the air valve 39b and the powder supply valve 39c are opened, and the powder recovery outlet valve 34 and the powder processing waste bag valve 35 are closed. Thereafter, by flowing compressed air from a compressed air supply source (not shown) from the downstream side of the filter 39a to the upstream side of the filter 39a from the air valve 39b, the powdered substance 5 adhering to the surface of the filter 39a is removed. Then, the powdered substance 5 is supplied from the powder supply valve 39c to the fresh liquid tank 19b, so that the powdered substance 5 can be reused.
  • the powder supply valve 39 c corresponds to a supply means for supplying the powdered substance 5 to the processing liquid in the cleaning liquid tank 19 b of the processing liquid tank 19.
  • the quick filling valve 21 is opened, and the rapid filling pump 20 is operated, whereby powder processing is performed on the processing tank 3. Supply liquid.
  • the machining fluid treatment device of the electric discharge machine After that, close the rapid filling valve 21 and open the agitation valve 22 inside the processing tank, always drive the jet pump 23, and the processing liquid is jetted from the stirring pipes 24a and 24b, and the processing tank 3 Are agitated, and electric discharge machining is performed in the same manner as described above. It is.
  • the discharge valve 9 is opened to discharge the processing liquid in the processing tank 3 to the processing liquid tank 19.
  • the machining fluid circulates as in step II.
  • the powder processing time is integrated by a timer in the control means (not shown), and the operator confirms that the integrated time has reached the set value on the screen display of the display means (not shown). If the accumulated time has reached the set value, the powdered substance 5 and the like are discarded as follows, and if the accumulated time has not reached the set value, the step (2) is performed.
  • the worker can dispose of the powdered substance 5 and the like collected in the powder processing waste bag 36 a together with the bag, so that the work of disposing of the powdered substance 5 and the like can be performed easily. Further, such a configuration makes it unnecessary to replace the filter 39a due to clogging.
  • the operator presses a switch, for example, “discarded powdered substance”, and a display, for example, “refilled powdered substance” is displayed on display means (not shown).
  • the powdered substance 5 is stored together with the processing fluid in the powder filtration means 39 until it is used again.
  • the machining fluid treatment apparatus for an electric discharge machine is suitable for being used for electric discharge machining performed by switching between an oil-based machining fluid and a powder machining fluid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

L'invention concerne un système de traitement d'un fluide d'usinage pour une machine d'usinage par étincelage, lequel comprend un réservoir à fluide d'usinage (19) constitué d'un réceptacle pour fluide sale (19a) et d'un réservoir pour fluide propre (19b), un moyen de filtration d'huile (38) comportant un filtre (38a) servant à filtrer un fluide sale dans le réceptacle pour fluide sale (19a) afin d'en enlever les copeaux d'usinage qu'il contient, un moyen (38b) servant à enlever les copeaux d'usinage déposés à la surface du filtre (38a) par passage d'un fluide sous pression du côté aval au côté amont du filtre (38a), un moyen de filtration de poudre (39) comportant un filtre (39a) pour filtrer le fluide d'usinage afin d'en enlever un matériau poudreux (5) et un moyen servant à enlever le matériau poudreux (5) déposé à la surface du filtre (39a) par passage d'un fluide sous pression du côté aval au côté amont du filtre (39a). Ce système n'a pas besoin de deux réservoirs pour stocker deux types de fluide d'usinage, et ainsi le volume total du réservoir servant à stocker le fluide d'usinage et l'espace utilisé pour installer ce réservoir sont réduits.
PCT/JP2001/010133 2001-11-20 2001-11-20 Systeme de traitement d'un fluide d'usinage pour machine d'usinage par etincelage WO2003043770A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2001/010133 WO2003043770A1 (fr) 2001-11-20 2001-11-20 Systeme de traitement d'un fluide d'usinage pour machine d'usinage par etincelage
TW090129270A TW529975B (en) 2001-11-20 2001-11-27 Processing liquid treating device for discharge processing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2001/010133 WO2003043770A1 (fr) 2001-11-20 2001-11-20 Systeme de traitement d'un fluide d'usinage pour machine d'usinage par etincelage

Publications (1)

Publication Number Publication Date
WO2003043770A1 true WO2003043770A1 (fr) 2003-05-30

Family

ID=11737950

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/010133 WO2003043770A1 (fr) 2001-11-20 2001-11-20 Systeme de traitement d'un fluide d'usinage pour machine d'usinage par etincelage

Country Status (2)

Country Link
TW (1) TW529975B (fr)
WO (1) WO2003043770A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102151923B (zh) * 2011-02-17 2012-09-12 东莞盈拓科技实业股份有限公司 可切换两种加工液的供液装置及放电加工机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0295512U (fr) * 1989-01-13 1990-07-30
EP0442119A2 (fr) * 1990-02-13 1991-08-21 Mitsubishi Denki Kabushiki Kaisha Méthode et appareillage de traitement du diélectrique, utilisé dans l'usinage par décharges électriques
JPH03196811A (ja) * 1989-12-25 1991-08-28 Sodick Co Ltd フィルタ装置
JPH0429320U (fr) * 1990-07-05 1992-03-09
JPH0627018U (ja) * 1992-09-09 1994-04-12 株式会社ソディック 放電加工機の加工液処理装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0295512U (fr) * 1989-01-13 1990-07-30
JPH03196811A (ja) * 1989-12-25 1991-08-28 Sodick Co Ltd フィルタ装置
EP0442119A2 (fr) * 1990-02-13 1991-08-21 Mitsubishi Denki Kabushiki Kaisha Méthode et appareillage de traitement du diélectrique, utilisé dans l'usinage par décharges électriques
JPH0429320U (fr) * 1990-07-05 1992-03-09
JPH0627018U (ja) * 1992-09-09 1994-04-12 株式会社ソディック 放電加工機の加工液処理装置

Also Published As

Publication number Publication date
TW529975B (en) 2003-05-01

Similar Documents

Publication Publication Date Title
JP5674847B2 (ja) 切削液濾過装置を備えた工作機械
WO1995035261A1 (fr) Procede de regeneration des fluides d'usinage et appareil associe
JP6041380B2 (ja) 加工液浄化システム
WO2008023768A1 (fr) Dispositif d'usinage avec dispositif de filtrage
CN109514337B (zh) 一种能够快速实现干湿加工切换的除屑系统及其使用方法
KR200404946Y1 (ko) 공작기계용 절삭유 세정장치
WO2003043770A1 (fr) Systeme de traitement d'un fluide d'usinage pour machine d'usinage par etincelage
JP4140369B2 (ja) コンクリートドリル用の冷却水濾過システム
CN108687566B (zh) 清洗装置和清洗方法
JP2004066425A (ja) 工作機械のクーラントろ過装置
KR20110110458A (ko) 공작기계용 오일정제장치
US20110180493A1 (en) Device and method for processing a cooling and rinsing liquid
KR20110023423A (ko) 오일필터
CN217913250U (zh) 一种冲压模具零件加工用攻丝机
JP2003305623A (ja) 加工機用高粘性液体の濾過装置及び加工装置
JPH11320408A (ja) 玉摺機の研削泡除去方法及びその装置
JP3979223B2 (ja) 工作機械のクーラント濾過装置
KR100634864B1 (ko) 공작기계용 절삭유 세정장치
KR102071360B1 (ko) 필터 청소기능을 구비한 쿨런트 공급장치
KR101765410B1 (ko) 청소 기능을 가진 탱크 여과 장치
JP2003062411A (ja) フィルタエレメントの浄化方法及び浄化装置
JP4097107B2 (ja) 研削液砥石粒除去方法及び装置
KR100713624B1 (ko) 공작기계용 절삭유 세정장치
JP3484567B2 (ja) 液体循環システムに於ける異物除去方法及び異物除去装置
JP6481379B2 (ja) クーラントゴミ回収装置

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): CN DE JP KR US

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
NENP Non-entry into the national phase

Ref country code: JP