CN105195462B - A kind of conductivity electrode automatic clearing apparatuss and its automatic cleaning control method - Google Patents

A kind of conductivity electrode automatic clearing apparatuss and its automatic cleaning control method Download PDF

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Publication number
CN105195462B
CN105195462B CN201510758474.7A CN201510758474A CN105195462B CN 105195462 B CN105195462 B CN 105195462B CN 201510758474 A CN201510758474 A CN 201510758474A CN 105195462 B CN105195462 B CN 105195462B
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China
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liquid
electrode
distilled water
circulation groove
energy storage
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CN105195462A (en
Inventor
郭翠霞
刘康
胡光忠
谢文玲
蒋晓舒
张宏志
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Sichuan University of Science and Engineering
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Sichuan University of Science and Engineering
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/08Cleaning involving contact with liquid the liquid having chemical or dissolving effect

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention provides a kind of conductivity electrode automatic clearing apparatuss and its automatic cleaning control method.Increase the conductivity electrode automatic clearing apparatuss on the basis of working solution of electric spark linear cutting machine supply exchange control device, the conductivity electrode automatic clearing apparatuss include circulation groove, energy storage equipment and control module;Conductivity electrode is placed in the circulation groove;In the energy storage equipment reflection circulation groove liquid number;Also include that the electrode clean liquid liquid inlet electromagnetic valve being connected with control module respectively, electrode clean liquid return liquid electromagnetic valve and electrode clean liquid pump.Electrode fouling can be solved the problems, such as in the case where electrical conductivity online real time collecting is not affected, during collecting work liquid electrical conductivity, possess electrode cleaning capacity.

Description

A kind of conductivity electrode automatic clearing apparatuss and its automatic cleaning control method
Technical field
The present invention relates to a kind of conductivity electrode automatic clearing apparatuss and its automatic cleaning control method, more particularly to one Plant the conductivity electrode automatic clearing apparatuss and its automatic cleaning control method suitable for spark cutting processing technique field.
Background technology
Working solution conductivity signal harvester is exclusively used in the conductance of high speed to-and-fro thread feed electric spark wire-electrode cutting machine working solution Rate is gathered.The complicated component of working liquid of linear cutting machine, oil-in-water type wire cutting working solution by base oil and emulsifying agent, antirust agent, Oiliness improver, various functions additive etc. are constituted, while according to the characteristics of electro-discharge machining, being also added into a certain amount of burster and electricity Xie Zhi.Water base wire cutting working solution is a kind of Novel work liquid developed in recent years, including micro-emulsion type wire cutting working solution With complete synthesis molded line cutting working liquid.The basic composition of water base wire cutting working solution is water, base oil(Micro-emulsion type)With various work( Can additive.Meanwhile, to process along with spark eroding, galvanic corrosion product is mixed in working solution, and conductivity electrode surface holds very much Easily adhere to one layer of greasy dirt or other materials and be contaminated, make the working solution conductivity signal for collecting become inaccurate and unstable It is fixed.Working solution is discharge medium, while the effect with washing with chip removal, but after using a period of time, working solution very " dirty ", and Its composition is extremely complex, severe contamination conductivity electrode.Therefore, electrical conductivity harvester must solve electro conductivity first Easily contaminated problem.
In order that the collection of to-and-fro thread feed electric spark wire-electrode cutting machine working solution conductivity signal is accurate, reliable, the device solution The easily contaminated problem of electro conductivity of having determined.
The content of the invention
The technical problem to be solved in the present invention be to provide a kind of device that automatic cleaning can be carried out to conductivity electrode and Its automatic cleaning control method.
The technical solution used in the present invention is as follows:A kind of conductivity electrode automatic clearing apparatuss, it is characterised in that:In equipment Increase the conductivity electrode automatic clearing apparatuss on the basis of working solution supply exchange control device, the conductivity electrode cleaning device Including circulation groove, energy storage equipment and control module;Conductivity electrode is placed in the circulation groove;The energy storage equipment reflection circulation The number of liquid in groove;Also include that the electrode clean liquid liquid inlet electromagnetic valve being connected with control module respectively, electrode clean liquid return liquid Electromagnetic valve and electrode clean liquid pump.
The control module is single-chip microcomputer.
Electrode clean liquid one-way flow valve is provided between the electrode clean liquid liquid inlet electromagnetic valve and electrode clean liquid pump.
The energy storage equipment includes UNICOM inside one side and circulation groove, and another side is fixed with the piston of piston rod;Also include The energy storage equipment end cap fixed with circulation cell wall;The piston rod passes through the end cap;Piston between piston and end cap Spring has been placed on bar;Contact chip is provided between the piston rod and end cap;Fluid pressure is acted on the piston;Institute The inner free end inner terminal and outer free end outermost end of piston rod turnover end cap are stated, copper sheet is respectively arranged with, is corresponded to respectively For inner side copper sheet and outside copper sheet;The inner side copper sheet and outside copper sheet are connected with the control module respectively.
The piston is provided with sealing ring in its outside contacted with energy storage equipment inwall.
Also include that the distilled water liquid inlet electromagnetic valve being connected with the control module respectively, distilled water return liquid electromagnetic valve and distillation Water pump.
Distilled water single flow direction valve is provided between the distilled water liquid inlet electromagnetic valve and distilled water pump.
Also include working solution liquid outlet electromagnetic valve and the working solution liquid inlet electromagnetic valve being connected with the control module respectively.
The automatic cleaning control side of conductivity electrode automatic clearing apparatuss based on above-mentioned conductivity electrode automatic clearing apparatuss Method, concrete grammar is:The control module coordination electrode cleaning liquid pump is opened, and coordination electrode cleanout fluid liquid inlet electromagnetic valve is opened; Electrode clean liquid is filled with circulation groove, energy storage equipment starts accumulation of energy, electrode is filled with when reflecting in circulation groove on energy storage equipment During cleanout fluid liquid, control module sends the order of closed electrode cleaning liquid pump and electrode clean liquid liquid inlet electromagnetic valve, electrical conductivity Electrode starts soaking and washing;After the completion of immersion, electrode clean liquid returns liquid electromagnetic valve and opens, and excludes circulation groove cleaning liquid inside until storing In energy device reflection circulation groove, liquid has been drained off finishing.
The working solution conductivity sensor electrode had both reached the clear of electrode from 95% ethanol as electrode clean liquid Effect is washed, the impact of the processing to wire cutting machine tool can be reduced again as far as possible.
Carry out the cleanout fluid cleaning electrode process of more than two-wheeled.
The time of the conductivity electrode soaking and washing is 30 seconds.
Methods described also includes, after completing cleanout fluid cleaning process, into distilled water rinse process, concrete rinse process For:The control module control distilled water pump is opened, and controls the unlatching of distilled water liquid inlet electromagnetic valve;Distilled water is filled with circulation groove, Energy storage equipment starts accumulation of energy, and when distilled water is filled with reflection circulation groove on energy storage equipment, control module sends closing and steams The order of distilled water pump and distilled water liquid inlet electromagnetic valve, conductivity electrode start rinse;After the completion of cleaning, distilled water returns liquid electromagnetic valve Open, exclude circulation groove in distilled water until energy storage equipment reflection circulation groove in liquid have been drained off finishing.
Methods described also includes that system and device does not work at conductivity electrode place, and conductivity electrode carries out cleanout fluid Before cleaning process, control module control distilled water pump and distilled water liquid inlet electromagnetic valve are opened, and in circulation groove are filled with distilled water, Energy storage equipment starts accumulation of energy, and when distilled water is filled with reflection circulation groove on energy storage equipment, control module sends closing and steams The order of distilled water pump and distilled water liquid inlet electromagnetic valve, allows conductivity electrode to be immersed in distilled water, so as to protect conductivity electrode; Before carrying out conductivity electrode cleanout fluid cleaning process, control module control distilled water returns liquid electromagnetic valve and opens, and excludes circulation In groove distilled water until energy storage equipment reflection circulation groove in liquid have been drained off finishing.
Methods described also includes working solution electrical conductivity detection process, and detailed process is:Control module controls working solution feed liquor Electromagnetic valve is opened, and energy storage equipment starts accumulation of energy, when working solution is filled with reflection circulation groove on energy storage equipment, gathers work immediately Make liquid electrical conductivity, after the completion of collection, control module control working solution liquid outlet electromagnetic valve is opened, and the working solution discharged in circulation groove is straight To in energy storage equipment reflection circulation groove, liquid has been drained off finishing.
Methods described also includes:According to the contaminated degree of conductivity electrode, the above-mentioned working solution electrical conductivity detection process of repetition.
When the activation signal of copper sheet and contact chip on the inside of control module receives energy storage equipment, fills in reflection circulation groove Full liquid;When the activation signal of copper sheet and contact chip on the outside of control module receives energy storage equipment, in reflection circulation groove, liquid has been Jing is excluded and is finished.
Compared with prior art, the invention has the beneficial effects as follows:Increase electrode on the basis of working solution switch certainly Dynamic cleaning device, can solve the problems, such as electrode fouling in the case where electrical conductivity Real-time Collection is not affected, in collecting work liquid electricity During conductance, possesses electrode cleaning capacity.
Description of the drawings
Fig. 1 is the electrode automatic clearing apparatuss principle schematic of a wherein embodiment of the invention.
Fig. 2 is the energy storage equipment principle schematic in Fig. 1 cleaning devices.
Control module structure principle charts of the Fig. 3 for embodiment described in Fig. 1.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not For limiting the present invention.
This specification(Including summary and accompanying drawing)Disclosed in any feature, unless specifically stated otherwise, can be equivalent by other Or the alternative features with similar purpose are replaced.I.e., unless specifically stated otherwise, each feature is a series of equivalent or class An example in like feature.
As shown in Fig. 1 to Fig. 3, in this specific embodiment, increase on the basis of equipment working solution supply exchange control device Plus the conductivity electrode automatic clearing apparatuss, the conductivity electrode automatic clearing apparatuss include circulation groove 1, energy storage equipment 3 and control Molding block;Conductivity electrode 2 is placed in the circulation groove 1;In the energy storage equipment reflection circulation groove liquid number;Also include The electrode clean liquid liquid inlet electromagnetic valve 9, electrode clean liquid being connected with control module respectively returns liquid electromagnetic valve 11 and electrode clean liquid Pump 7.
In this specific embodiment, the control module is single-chip microcomputer.
Electrode clean liquid one-way flow valve is provided between the electrode clean liquid liquid inlet electromagnetic valve and electrode clean liquid pump 8。
The energy storage equipment includes UNICOM inside one side and circulation groove, and another side is fixed with the piston 37 of piston rod 31;Also Including the energy storage equipment end cap 32 fixed with circulation cell wall 38;The piston rod passes through the end cap;Positioned at piston and end cap it Between piston rod on placed spring 36;Contact chip 35 is provided between the piston rod and end cap;Fluid pressure acts on institute State on piston;The inner free end inner terminal and outer free end outermost end of end cap are passed in and out in the piston rod, is respectively arranged with Copper sheet, corresponds to inner side copper sheet 33 and outside copper sheet 34 respectively;The inner side copper sheet and outside copper sheet respectively with the control mould Block is connected.
The piston is provided with sealing ring 39 in its outside contacted with energy storage equipment inwall.
Also include the distilled water liquid inlet electromagnetic valve 4, distilled water that is connected with the control module respectively time liquid electromagnetic valve 10 and Distilled water pump 6.
Distilled water single flow direction valve 5 is provided between the distilled water liquid inlet electromagnetic valve and distilled water pump.
Also include working solution liquid outlet electromagnetic valve 12 and the working solution liquid inlet electromagnetic valve 13 being connected with the control module respectively.
When lathe does not work, distilled water is filled with circulation groove 1 automatically, allows conductivity electrode 2 to be immersed in distilled water In, so as to protect conductivity electrode.Its version such as Fig. 1(Note:All electromagnetic valves are normally closed solenoid valve)It is shown, wherein accumulation of energy There is corresponding position sensor on device 3, the liquid that can reflect in circulation groove is how many, its principle is as shown in Fig. 2 energy storage equipment Piston rod 31 is stained with two panels Copper Foil respectively in the inner side and outer side of turnover end cap 32, corresponds to inner side copper sheet 33 and copper outside respectively Piece 34;A graphite contact piece 35 is stained with the centre of turnover end cap 32, inner side copper sheet meets GND, and outside copper sheet meets+5V, and connects Contact 35 and control module(Single-chip microcomputer)A certain I/O mouths be connected, just can give single-chip microcomputer when contact chip is contacted with medial and lateral copper sheet Corresponding signal is sent, so as to control the opening and closing of electromagnetic valve and each pump.Electrode clean mode relies primarily on electrode clean immersion bubble electricity The mode of pole is cleaned, and its concrete operating principle is:
1)Process one:After system boot, primary is the distilled water for excluding shield electrode in circulation groove.As shown in figure 1, this When distilled water return liquid electromagnetic valve 10 be powered open, treat that the position sensor on piston energy storage equipment detects distilled water in circulation groove Exclude totally, i.e., as shown in Fig. 2 the right side copper sheet 34 on piston rod is contacted with graphite contact piece 35, single-chip microcomputer receives circulation In groove 1, distilled water has excluded clean signal to single-chip microcomputer, the distilled water of Fig. 1 is returned liquid electromagnetic valve 10 and is closed.
2)Process two:It is followed by the process that cleanout fluid soaks electrode.Electrode clean liquid pump 7 is opened, electrode clean liquid feed liquor electricity Magnet valve 9 is opened, and electrode clean liquid is filled with circulation groove, and energy storage equipment 3 starts accumulation of energy, such as Fig. 2, when the inner side copper on energy storage equipment When piece 33 is contacted with contact chip 35, single-chip microcomputer sends the life of closed electrode cleaning liquid pump 7 and electrode clean liquid liquid inlet electromagnetic valve 9 Order, conductivity electrode starts soaking and washing, and after the completion of immersion, electrode clean liquid returns liquid electromagnetic valve 11 and begins to rehearse except clear in circulation groove Washing liquid, works as energy storage equipment(Fig. 2)On outside copper sheet 34 when contacting with contact chip 35, single-chip microcomputer sends opening electrode clean liquid pump 7 and the order of electrode clean liquid liquid inlet electromagnetic valve 9, into the cleanout fluid cleaning electrode of next round.This process can back and forth several times, Can specifically arrange, so as to reach optimal cleaning effect.
3)Process three:It is followed by distilled water rinse process.Now distilled water pump 6 is opened, and distilled water liquid inlet electromagnetic valve 4 is also opened Open, it is similar with the process of cleanout fluid cleaning electrode before, distilled water is filled with circulation groove, energy storage equipment 3 starts accumulation of energy, works as accumulation of energy When inner side copper sheet 33 on device 3 is contacted with contact chip 35, single-chip microcomputer now cuts out distilled water pump 6 and distilled water liquid inlet electromagnetic valve 4, conductivity electrode starts rinse, and after the completion of cleaning, distilled water liquid inlet electromagnetic valve 4 begins to rehearse except distilled water in circulation groove, this mistake Journey can specifically can also be arranged back and forth several times, so as to reach optimal rinse effect.
Also include the process of working solution electrical conductivity detection, now working solution liquid inlet electromagnetic valve 13 is opened, and works as energy storage equipment(Fig. 2) On inner side copper sheet 33 when contacting with contact chip 35, close liquid inlet electromagnetic valve 13 full of working solution in circulation groove, system is quickly adopted Collect corresponding conductivity value, after the completion of collection, working solution liquid outlet electromagnetic valve 12 is opened, discharge the working solution in circulation groove, work as storage Can device(Fig. 2)On outside copper sheet 34 when contacting with contact chip 35, working solution is excluded after finishing, and Single-chip Controlling working solution goes out Liquid electromagnetic valve 12 is closed.This process can also repeat, and will specifically see the contaminated degree of electrode.
The process of process two, process three and working solution electrical conductivity detection constitutes electrode cleaning and working solution conductance automatically One circulation of rate detection, under lathe normal operating conditions, carries out the strategy of " collection is cleaned multiple times once ".In not shadow of trying one's best In the case of ringing electrical conductivity Real-time Collection, electrode fouling is solved the problems, such as.

Claims (9)

1. a kind of conductivity electrode automatic clearing apparatuss, it is characterised in that:On equipment working solution supply exchange control device basis It is upper increase the conductivity electrode automatic clearing apparatuss, the conductivity electrode automatic clearing apparatuss include circulation groove, energy storage equipment and Control module;Conductivity electrode is placed in the circulation groove;In the energy storage equipment reflection circulation groove liquid number;Including control The be connected electrode clean liquid liquid inlet electromagnetic valve of molding block, electrode clean liquid return liquid electromagnetic valve and electrode clean liquid pump;
The energy storage equipment includes UNICOM inside one side and circulation groove, and another side is fixed with the piston of piston rod;Also include and stream The energy storage equipment end cap that groove wall is fixed;The piston rod passes through the end cap;On piston rod between piston and end cap Spring is placed;Contact chip is provided between the piston rod and end cap;Fluid pressure is acted on the piston;In the work The inner free end inner terminal and outer free end outermost end of stopper rod turnover end cap, is respectively arranged with copper sheet, corresponds to respectively interior Side copper sheet and outside copper sheet;The inner side copper sheet and outside copper sheet are connected with the control module respectively.
2. conductivity electrode automatic clearing apparatuss according to claim 1, it is characterised in that:Also include respectively with the control The connected distilled water liquid inlet electromagnetic valve of molding block, distilled water return liquid electromagnetic valve and distilled water pump.
3. conductivity electrode automatic clearing apparatuss according to one of claim 1 to 2, it is characterised in that:Also include difference The working solution liquid outlet electromagnetic valve being connected with the control module and working solution liquid inlet electromagnetic valve.
4. the automatic cleaning control method based on the conductivity electrode automatic clearing apparatuss described in one of Claim 1-3, specifically Method is:The control module coordination electrode cleaning liquid pump is opened, and coordination electrode cleanout fluid liquid inlet electromagnetic valve is opened;In circulation groove Electrode clean liquid is filled with, energy storage equipment starts accumulation of energy, electrode clean liquid liquid is filled with when reflecting in circulation groove on energy storage equipment During body, control module sends the order of closed electrode cleaning liquid pump and electrode clean liquid liquid inlet electromagnetic valve, and conductivity electrode starts Soaking and washing;After the completion of immersion, electrode clean liquid returns liquid electromagnetic valve and opens, and excludes circulation groove cleaning liquid inside until energy storage equipment is anti- Reflect liquid in circulation groove to have been drained off finishing.
5. the automatic cleaning control method of conductivity electrode automatic clearing apparatuss according to claim 4, carries out more than two-wheeled Cleanout fluid cleaning electrode process.
6. the automatic cleaning control method of conductivity electrode automatic clearing apparatuss according to claim 4 or 5, methods described is also Including, after completing cleanout fluid cleaning process, into distilled water rinse process, concrete rinse process is:The control module control Distilled water pump is opened, and controls the unlatching of distilled water liquid inlet electromagnetic valve;Distilled water is filled with circulation groove, energy storage equipment starts accumulation of energy, when When filling with distilled water in reflection circulation groove on energy storage equipment, control module sends closing distilled water pump and distilled water feed liquor electricity The order of magnet valve, conductivity electrode start rinse;After the completion of cleaning, distilled water returns liquid electromagnetic valve and opens, and excludes in circulation groove and steams Until energy storage equipment, distilled water reflects that liquid has been drained off finishing in circulation groove.
7. the automatic cleaning control method of conductivity electrode automatic clearing apparatuss according to claim 6, methods described are also wrapped Include, at conductivity electrode place, system and device does not work, before conductivity electrode carries out cleanout fluid cleaning process, control module Control distilled water pump and distilled water liquid inlet electromagnetic valve are opened, and distilled water is filled with circulation groove, and energy storage equipment starts accumulation of energy, works as storage When filling with distilled water in reflection circulation groove on energy device, control module sends closing distilled water pump and distilled water enters liquid electromagnetic The order of valve, allows conductivity electrode to be immersed in distilled water, so as to protect conductivity electrode;Carry out conductivity electrode cleanout fluid Before cleaning process, control module control distilled water returns liquid electromagnetic valve and opens, and in exclusion circulation groove, distilled water is until energy storage equipment In reflection circulation groove, liquid has been drained off finishing.
8. the automatic cleaning control method of conductivity electrode automatic clearing apparatuss according to claim 6, methods described are also wrapped Working solution electrical conductivity detection process is included, detailed process is:Control module control working solution liquid inlet electromagnetic valve is opened, and energy storage equipment starts Accumulation of energy, when reflect on energy storage equipment fill with working solution in circulation groove when, collecting work liquid electrical conductivity immediately, collection are completed Afterwards, control module control working solution liquid outlet electromagnetic valve is opened, and discharges the working solution in circulation groove until energy storage equipment reflection is circulated In groove, liquid has been drained off finishing.
9. the automatic cleaning control method of conductivity electrode automatic clearing apparatuss according to claim 6, when control module is received To on the inside of energy storage equipment during the activation signal of copper sheet and contact chip, in reflection circulation groove, liquid is filled with;When control module is received To on the outside of energy storage equipment during the activation signal of copper sheet and contact chip, in reflection circulation groove, liquid has been excluded and has been finished.
CN201510758474.7A 2015-11-10 2015-11-10 A kind of conductivity electrode automatic clearing apparatuss and its automatic cleaning control method Expired - Fee Related CN105195462B (en)

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US20110197920A1 (en) * 2010-02-16 2011-08-18 Andy Kenowski Monitoring and Recording Device for Clean-In-Place System
CN101813661A (en) * 2010-02-26 2010-08-25 北京矿冶研究总院 Automatic cleaning mechanism of pH meter
CN104941936B (en) * 2014-03-24 2017-02-08 内蒙古蒙牛乳业(集团)股份有限公司 Cleaning unit for color machine mold and cleaning equipment thereof
CN103934239B (en) * 2014-04-08 2016-08-17 国家电网公司 A kind of converter valve screening electrodes regenerating unit and method
CN204544928U (en) * 2014-12-31 2015-08-12 郑州旭飞光电科技有限公司 A kind of detergent concentration automaton
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