CN103920947B - A kind of controlling temp type electric machining working solution EGR of weight-driven - Google Patents
A kind of controlling temp type electric machining working solution EGR of weight-driven Download PDFInfo
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- CN103920947B CN103920947B CN201410115739.7A CN201410115739A CN103920947B CN 103920947 B CN103920947 B CN 103920947B CN 201410115739 A CN201410115739 A CN 201410115739A CN 103920947 B CN103920947 B CN 103920947B
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Abstract
The invention provides a kind of controlling temp type electric machining working solution EGR of weight-driven.The installation site of the liquid reserve tank of described device, work tank, transfer working liquid container from low to high, electric-motor pump extracts the interior working solution through filter element filtering of liquid reserve tank in transfer working liquid container, electric-motor pump start and stop are controlled automatically by the liquid level gauge signal be arranged on transfer working liquid container, simultaneously also can the start and stop of Non-follow control electric-motor pump, the pressure switch energy automatic decision filter element replacing time between filter core and electric-motor pump.All be placed with cooling tube in working solution in liquid reserve tank and transfer working liquid container, the cooling thermostatted water of water cooling unit carries out sufficient heat exchange by cooling tube and working solution, thus achieves the relative constancy of working solution temperature.Adjust flux switch size, working solution flows to work tank workspace by transfer working liquid container under gravity, work tank collects the working solution after processing, working solution flows to the filter screen liquid reserve tank automatically from work tank under gravity, after filter screen coarse filtration, flow into liquid reserve tank, complete the circulation of working solution.
Description
Technical field
The invention belongs to fine efficient electric manufacture field, be specifically related to a kind of controlling temp type electric machining working solution EGR of weight-driven.Adopt the present invention can realize working solution undisturbed feed flow.
Background technology
Along with the high speed development equipping industry and aerospace field, various micromachine, MEMS, just at small, thus propose the manufacture demand in a large number with tiny characteristic part.This has higher requirement to Micrometer-Nanometer Processing Technology.Because EDM micro elements technology has noncontact, has unrivaled superiority without the feature such as macroscopical cutting force, material be applied widely at tiny characteristic part manufacture field, also correspondingly more and more urgent to its demand.EDM micro elements technology shows wide application prospect in a lot of field such as national defense safety, Aero-Space, biotechnology, information communication, Making mold.
At present, the working solution supply of domestic and international EDM micro elements equipment is directly extracted and feed flow primarily of electric-motor pump, and this feed liquid way electric-motor pump need work always, the longevity of service of electric-motor pump, vibration and noise larger.
Summary of the invention
The object of the present invention is to provide a kind of controlling temp type electric machining working solution EGR of weight-driven.
Weight-driven of the present invention, controlling temp type electric machining working solution EGR are controlling to rely on gravity automatic stream processing district after the working solution of uniform temperature is extracted into eminence, the electric-motor pump working time of this feed liquid way is short, vibrate on machine tool accuracy impact little, on working solution temperature impact little, energy-conserving and environment-protective.
The technical scheme that the present invention adopts for technical solution problem is: the installation site of liquid reserve tank, work tank, transfer working liquid container from low to high, electric-motor pump extracts the interior working solution through filter element filtering of liquid reserve tank in transfer working liquid container, the start and stop of electric-motor pump are controlled automatically by the liquid level gauge signal be arranged on transfer working liquid container, simultaneously also can the start and stop of Non-follow control electric-motor pump.All be placed with cooling tube in working solution in working solution in liquid reserve tank and transfer working liquid container, the cooling thermostatted water of water cooling unit carries out sufficient heat exchange by cooling tube and working solution, thus achieves the relative constancy of working solution temperature.During electric machining work, open and adjust flux switch size, working solution is flow to the workspace of work tank under gravity by transfer working liquid container, work tank collects the working solution after processing, working solution flows to the filter screen liquid reserve tank automatically from work tank under gravity, working solution flows into liquid reserve tank after coarse filtration, completes the circulation of working solution.
The controlling temp type electric machining working solution EGR of weight-driven of the present invention, comprises liquid reserve tank, filter core, pressure switch, electric-motor pump, mixed liquid switch, transfer working liquid container, overfall, liquid-level switch I, liquid level gauge, tapping switch, electromagnetic proportional valve, flow switch, work tank, thermometer, liquid-level switch II, filter screen, transfer working liquid container cooling tube, liquid reserve tank cooling tube.
A kind of controlling temp type electric machining working solution EGR of weight-driven, its annexation is, described filter core and liquid reserve tank cooling tube are immersed in the working solution of liquid reserve tank, thermometer is arranged on liquid reserve tank, pressure switch is arranged between filter core and the pipeline of electric-motor pump, liquid level gauge is arranged on transfer working liquid container, overfall is positioned at the top of transfer working liquid container, transfer working liquid container cooling tube is immersed in the working solution of transfer working liquid container, flow switch is the tapping switch of working solution, liquid reserve tank, work tank, the installation site of transfer working liquid container from low to high, each fluid path is connected by pipeline and forms.
Described electric machining working solution EGR realizes the weight-driven of working solution by the installation site height of liquid reserve tank, work tank, transfer working liquid container.
The pressure of filter core during described electric machining working solution EGR employing pressure switch measurement electric-motor pump drawing liquid.
Described electric machining working solution EGR adopts the automatic start-stop of liquid level gauge signal control motor pump.
Described electric machining working solution EGR adopts transfer working liquid container cooling tube and liquid reserve tank cooling tube to realize the constant of working solution temperature.
Feature of the present invention is: electric-motor pump only works when working solution is extracted into transfer working liquid container from liquid reserve tank, and the working time of electric-motor pump is short, decreases the impact of electric-motor pump vibration and noise; Working solution therefrom turns the workspace that working liquid container flows to work tank, and to flow into liquid reserve tank from work tank are all automatic flowings under gravity, saves the energy, avoids the disturbance of working solution; Be provided with pressure switch between filter core to electric-motor pump, its force value provides foundation for the filter element replacing time; Electromagnetic proportional valve automatically controls the flow of working solution by control voltage height, the requirement to different flow working solution when meeting electric machining; Immerse in working solution in liquid reserve tank and transfer working liquid container and have spiral cooling copper tube, by regulating the temperature of water cooling unit, the working solution in the constant temp cooling water in spiral cooling copper tube and liquid reserve tank and transfer working liquid container is made to carry out sufficient heat exchange, the temperature of cooling water and working solution progressively reaches unanimity, thus achieves the substantially constant of working solution temperature.
Accompanying drawing explanation
Fig. 1 is the controlling temp type electric machining working solution circulating system schematic diagram of a kind of weight-driven of the present invention;
In figure, 1. liquid reserve tank 2. filter core 3. pressure switch 4. electric-motor pump 5. transfer working liquid container 6. overfall 7. liquid level gauge 8. flow switch 9. work tank 10. thermometer 11. filter screen 12. transfer working liquid container cooling tube 13. liquid reserve tank cooling tube.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail
Embodiment 1
As shown in Figure 1, the present invention is a kind of controlling temp type electric machining working solution EGR of weight-driven, comprises liquid reserve tank 1, filter core 2, pressure switch 3, electric-motor pump 4, transfer working liquid container 5, overfall 6, liquid level gauge 7, flow switch 8, work tank 9, thermometer 10, filter screen 11, transfer working liquid container cooling tube 12, liquid reserve tank cooling tube 13.
Filter core 2, liquid reserve tank cooling tube 13 are immersed in the working solution of liquid reserve tank 1, and thermometer 10 is arranged on liquid reserve tank 1, and measure the temperature of working solution in liquid reserve tank 1, filter screen 11 is positioned on liquid reserve tank 1, the working solution of coarse filtration backflow.Liquid level gauge 7 is arranged on transfer working liquid container 5, measures the liquid level of working solution in transfer working liquid container 5 and controls the automatic start-stop of electric-motor pump 4 with this; Overfall 6 is positioned at the top of transfer working liquid container 5, is the safety measure preventing working solution from overflowing; Transfer working liquid container cooling tube 12 is immersed in the working solution of transfer working liquid container 5, can reduce the temperature fluctuation of working solution in transfer working liquid container cooling tube 12 after passing into controlled water cooling unit thermostatted water.Be connected by pipeline between liquid reserve tank 1, pressure switch 3, electric-motor pump 4, transfer working liquid container 5, work tank 9.
The duty of the controlling temp type electric machining working solution EGR of a kind of weight-driven of the present invention is such: first electric-motor pump 4 is extracted into the working solution filtered through filter core 2 in liquid reserve tank 1 in transfer working liquid container 5, the liquid level of the liquid level gauge 7 surveying work liquid on transfer working liquid container 5, when arriving the high liquid level of setting, control system stops the running of electric-motor pump 4, have overfall 6 on transfer working liquid container 5 top simultaneously, when the signal of liquid level gauge 9 is malfunctioning, cross liquid level point rear motor pump 4 also not shut down, then working solution can flow back to liquid reserve tank 1 by overfall 6, working solution is avoided to overflow transfer working liquid container 5, in like manner, in the middle of when turning the low liquid level that the liquid level in working liquid container 5 sets lower than liquid level gauge 7, control system can add working solution by automatic starter motor pump 4 in transfer working liquid container 5, pressure switch 3 can measure the working solution pressure between filter core 2 and electric-motor pump 4 in pipeline, and when pressure is lower than a certain setting value, system alarm, reminds operator's more renew cartridge 2.During electrode machining, working solution relies on gravity automatically to flow to the workspace of work tank 9 after flow switch 8 controls, flow switch 8 energy Non-follow control working solution uninterrupted, working solution, through the control of flow switch 8, can meet the working solution uninterrupted that machining needs.Working solution in work tank 9 relies on gravity automatically to flow in the filter screen on liquid reserve tank 1 through pipeline, realizes the coarse filtration of working solution.Liquid reserve tank cooling tube 13 immerses in the working solution in liquid reserve tank 1, transfer working liquid container cooling tube 12 immerses in the working solution in transfer working liquid container 5, the cooling thermostatted water that water cooling unit flows out flows into from the water-cooled entrance of the liquid reserve tank cooling tube 13 liquid reserve tank 1, pass through heat exchange, cooling water temperature in the temperature of working solution in liquid reserve tank 1 and liquid reserve tank cooling tube 13 is reached unanimity gradually, cooling water after heat exchange flows in the transfer working liquid container cooling tube 12 of transfer working liquid container 5 again after liquid reserve tank cooling tube 13 flows out, in like manner, pass through heat exchange, cooling water temperature in the temperature of the working solution in transfer working liquid container 5 and transfer working liquid container cooling tube 12 is reached unanimity gradually, finally, again water cooling unit is flowed into after the water-cooled that cooling water flow out of transfer working liquid container cooling tube 17 after sufficient heat exchange exports, result in formation of a closed cool cycles passage, after sufficient heat exchange after a while, the temperature of working solution is just roughly the same with the temperature that water cooling unit sets, thus realize the accurate control of working solution temperature.Thermometer 10 on liquid reserve tank 1 can be measured the temperature of working solution in liquid reserve tank 1 and signal is transported to control system, thus achieves the monitoring to working solution state.
Claims (5)
1. a controlling temp type electric machining working solution EGR for weight-driven, is characterized in that: described electric machining working solution EGR comprises liquid reserve tank (1), filter core (2), pressure switch (3), electric-motor pump (4), transfer working liquid container (5), overfall (6), liquid level gauge (7), flow switch (8), work tank (9), thermometer (10), filter screen (11), transfer working liquid container cooling tube (12), liquid reserve tank cooling tube (13), its annexation is, described filter core (2) and liquid reserve tank cooling tube (13) are immersed in the working solution of liquid reserve tank (1), thermometer (10) is arranged on liquid reserve tank (1), pressure switch (3) is arranged between the pipeline of filter core (2) and electric-motor pump (4), liquid level gauge (7) is arranged on transfer working liquid container (5), overfall (6) is positioned at the top of transfer working liquid container (5), transfer working liquid container cooling tube (12) is immersed in the working solution of transfer working liquid container (5), the tapping switch that flow switch (8) is working solution, liquid reserve tank (1), work tank (9), the installation site of transfer working liquid container (5) from low to high, each fluid path is connected by pipeline and forms.
2. the controlling temp type electric machining working solution EGR of a kind of weight-driven according to claim 1, is characterized in that: described electric machining working solution EGR realizes the weight-driven of working solution by the installation site height of liquid reserve tank (1), work tank (9), transfer working liquid container (5).
3. the controlling temp type electric machining working solution EGR of a kind of weight-driven according to claim 1, is characterized in that: the pressure of filter core (2) when described electric machining working solution EGR adopts pressure switch (3) to measure electric-motor pump (4) drawing liquid.
4. the controlling temp type electric machining working solution EGR of a kind of weight-driven according to claim 1, is characterized in that: described electric machining working solution EGR adopts the automatic start-stop of liquid level gauge (7) signal control motor pump (4).
5. the controlling temp type electric machining working solution EGR of a kind of weight-driven according to claim 1, is characterized in that: described electric machining working solution EGR adopts transfer working liquid container cooling tube (12) and liquid reserve tank cooling tube (13) to realize the constant of working solution temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410115739.7A CN103920947B (en) | 2014-03-26 | 2014-03-26 | A kind of controlling temp type electric machining working solution EGR of weight-driven |
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| CN201410115739.7A CN103920947B (en) | 2014-03-26 | 2014-03-26 | A kind of controlling temp type electric machining working solution EGR of weight-driven |
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| CN103920947A CN103920947A (en) | 2014-07-16 |
| CN103920947B true CN103920947B (en) | 2016-02-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105345185A (en) * | 2015-11-11 | 2016-02-24 | 安徽天思朴超精密模具股份有限公司 | Wire cutting liquid conveying system |
| CN108912209A (en) * | 2018-06-21 | 2018-11-30 | 南京肽业生物科技有限公司 | A kind of Solid-phase synthesis peptides system convenient for waste liquid is efficiently discharged |
| CN117267546B (en) * | 2023-11-22 | 2024-01-30 | 山东省煤田地质局物探测量队 | Surveying instrument stabilization support convenient to adjust |
Citations (4)
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| US4406938A (en) * | 1980-09-17 | 1983-09-27 | Mitsubishi Denki Kabushiki Kaisha | Discharge machining apparatus |
| CN1334161A (en) * | 2001-09-04 | 2002-02-06 | 深圳大学 | Cyclic treating system of working liquid for electrospark machining |
| CN1654148A (en) * | 2005-03-14 | 2005-08-17 | 哈尔滨工业大学 | Electric spark machining liquid storage case device for treatment fluid containing addition agent |
| CN2885477Y (en) * | 2006-04-11 | 2007-04-04 | 吴远斌 | On-line filtering box for linear cutting machine work fluid |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57138524A (en) * | 1981-02-16 | 1982-08-26 | Mitsubishi Electric Corp | Electric discharge machining device |
| JPS5997816A (en) * | 1982-11-22 | 1984-06-05 | Mitsubishi Electric Corp | Wire cut electric discharge machine |
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2014
- 2014-03-26 CN CN201410115739.7A patent/CN103920947B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406938A (en) * | 1980-09-17 | 1983-09-27 | Mitsubishi Denki Kabushiki Kaisha | Discharge machining apparatus |
| CN1334161A (en) * | 2001-09-04 | 2002-02-06 | 深圳大学 | Cyclic treating system of working liquid for electrospark machining |
| CN1654148A (en) * | 2005-03-14 | 2005-08-17 | 哈尔滨工业大学 | Electric spark machining liquid storage case device for treatment fluid containing addition agent |
| CN2885477Y (en) * | 2006-04-11 | 2007-04-04 | 吴远斌 | On-line filtering box for linear cutting machine work fluid |
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