CN211332435U - Water mist mixed cooling system - Google Patents
Water mist mixed cooling system Download PDFInfo
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- CN211332435U CN211332435U CN201921896158.6U CN201921896158U CN211332435U CN 211332435 U CN211332435 U CN 211332435U CN 201921896158 U CN201921896158 U CN 201921896158U CN 211332435 U CN211332435 U CN 211332435U
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Abstract
The utility model discloses a water mist mixing and cooling system, which comprises a mixing valve, wherein the output end of the mixing valve is a water mist outlet, the side input end of the mixing valve is a cutting fluid inlet, and the main input end of the mixing valve is a compressed gas inlet; a cutting fluid pipeline between a cutting fluid inlet and a cutting fluid box is sequentially connected with a first stop valve, a first electromagnetic valve and a booster pump, the cutting fluid pipeline is also communicated with an energy accumulator and an intelligent pressure gauge, and a third stop valve is arranged between the energy accumulator and the cutting fluid pipeline; and a second stop valve and a second electromagnetic valve are arranged on the gas transmission pipeline between the compressed gas inlet and the gas source. The utility model discloses a device, the atomizing effect is fine after mixing, and the coolant liquid consumption is few, can not deposit water on the workstation, has kept table surface's cleanness to also reduced the pollution, also played the effect of environmental protection.
Description
Technical Field
The utility model belongs to the technical field of the cutting process, a water smoke mixed cooling system is related to.
Background
At present, various numerical control machine tools are widely applied to the metal processing industry to realize the rough, semi-fine and fine processing of various high-precision parts with complicated structures such as casting, forging, welding and the like, and the machine tool has the functions of milling, boring, drilling, reaming, tapping, reaming, spot facing and the like; various accessory milling heads and rotary working tables are arranged, so that the workpiece is clamped once, machined on multiple surfaces, and multipurpose by one machine; the method has the advantages of saving process equipment, shortening the production preparation period, improving the working efficiency, reducing the production cost and the like, and obtains good economic benefit.
Although the numerical control machine tool brings more benefits, when products with certain material structure characteristics are processed, the consumption of cutting fluid of a cooling system is too large, the loss of the equipment cooling system in the water return process is large, and the cost consumption is very large. And because too much use of cutting fluid can cause environmental pollution, equipment also can be because too much entering of cutting fluid leads to mechanical loss to increase, and electric elements age phenomenon easily. Such a situation leads to an increase in processing cost, an increase in maintenance failure points, and environmental protection, and a need for technical improvement has been urgently felt.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water smoke mixed cooling system has solved the digit control machine tool among the prior art, and the three kinds of cooling systems of air cooling, water smoke cooling that adopt are because the structure is unreasonable for the use cost of water smoke cooling cutting fluid is high, is difficult to realize the problem of environmental protection requirement.
The technical scheme adopted by the utility model is that the water mist mixing and cooling system comprises a mixing valve, wherein the output end of the mixing valve is a water mist outlet, the side input end of the mixing valve is a cutting fluid inlet, and the main input end of the mixing valve is a compressed gas inlet; a cutting fluid pipeline between a cutting fluid inlet and a cutting fluid box is sequentially connected with a first stop valve, a first electromagnetic valve and a booster pump, the cutting fluid pipeline is also communicated with an energy accumulator and an intelligent pressure gauge, and a third stop valve is arranged between the energy accumulator and the cutting fluid pipeline; and a second stop valve and a second electromagnetic valve are arranged on the gas transmission pipeline between the compressed gas inlet and the gas source.
The utility model discloses a water smoke mixed cooling system, its characterized in that still lies in:
one end of AN air path relay KA6 of the second electromagnetic valve is connected with a 24V power supply through AN air path control button AN6, AN air path control button AN6 on the operating equipment adopts a self-protection control button, the design voltage is 24V safety voltage, the other end of the air path relay KA6 of the second electromagnetic valve is grounded, and the air path relay KA6 is additionally connected with the second electromagnetic valve in series and connected with the 220V power supply.
One end of a cutting fluid relay KA5 of the first electromagnetic valve is connected with a 24V power supply through a cutting fluid control button AN5, a cutting fluid control button AN5 on AN operating device adopts a self-protection control button, the design voltage is 24V safety voltage, the other end of the cutting fluid relay KA5 of the first electromagnetic valve is grounded, and the cutting fluid relay KA5 is connected with the electromagnetic valve in series and is connected with a 220V power supply.
The intelligent pressure gauge is internally provided with a low-voltage relay KL7 and a high-voltage relay KH7, and a cutting fluid relay KA2 of the booster pump is connected with the high-voltage relay KH7 and the low-voltage relay KL7 in series and connected with a 24V power supply; a breaker QF2 of the booster pump and a cutting fluid relay KA2 of the booster pump are connected with a cutting fluid contactor KM2 in series and connected with a 220V power supply; the motor of the booster pump is connected with a 380V power supply through a cutting fluid contactor KM2 and a breaker QF 2.
The design voltage of the low-voltage relay KL7 is 24V of safe voltage, and the design voltage of the high-voltage relay KH7 is 24V of safe voltage.
The included angle between the compressed air pipeline of the mixing valve and the cutting fluid pipeline is 45 degrees, and the pipe diameter of the compressed air pipeline in the mixing valve is 3 times of that of the cutting fluid pipeline.
The beneficial effects of the utility model are that, including following advantage:
1) the cooling device is used for various numerical control machine tool equipment, and can be independently used for air cooling, water cooling and water mist cooling when different parts are processed. For processing common steel parts, the water-gas mixing ratio is 1.5 through repeated adjustment and demonstration: and 8.5, the atomization effect is good after mixing, and the mixing proportion can be adjusted at any time according to the material of the processed workpiece.
2) The atomized gas cools the cutter and lubricates the cutter to reduce abrasion, and simultaneously forms a special protective film of the cutting fluid on the surface of the workpiece, thereby achieving the effect of preventing the workpiece from rusting.
3) The cooling liquid is consumed very little and needs to be supplemented about half a month.
4) No water is stored on the worktable, so that the cleanness of the worktable surface is kept, the pollution is reduced, and the environment is protected.
Drawings
Fig. 1 is a schematic diagram of a hardware configuration of the present invention;
FIG. 2a is an electrical control principle of a compressed air line, FIG. 2b is an electrical control principle of a cutting fluid line, and FIG. 2c is an electrical control principle of a booster pump;
fig. 3 is a schematic cross-sectional view of a mixing valve in the apparatus of the present invention.
In the figure, 1 is a cutting fluid box, 2 is a booster pump, 3 is an energy accumulator, 4 is a stop valve III, 5 is a solenoid valve I, 6 is a solenoid valve II, 7 is an intelligent pressure gauge, 8 is a mixing valve, 9 is a stop valve I, and 10 is a stop valve II.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 3, the structure of the present invention is that the present invention includes a mixing valve 8, the output end of the mixing valve 8 is a water mist outlet, the side input end of the mixing valve 8 is a cutting fluid inlet, and the main input end of the mixing valve 8 is a compressed gas inlet; a cutting fluid pipeline between a cutting fluid inlet and the cutting fluid box 1 is sequentially connected with a first stop valve 9, a first electromagnetic valve 5 and a booster pump 2, the cutting fluid pipeline is also communicated with an energy accumulator 3 and an intelligent pressure gauge 7, and a third stop valve 4 is arranged between the energy accumulator 3 and the cutting fluid pipeline; a second stop valve 10 and a second electromagnetic valve 6 are arranged on the gas transmission pipeline between the compressed gas inlet and the gas source.
The volume of the cutting fluid box 1 is set to be 0.25 cubic meter, and water and cooling fluid prepared by cutting fluid are filled in the cutting fluid box. The booster pump 2 adopts a 1kw motor and a water pump. The energy accumulator 3 realizes the constant pressure function of the cutting fluid system, ensures that the pressure of the cutting fluid system can be stable, simultaneously does not lose pressure due to the work stop of the booster pump, and prevents the pressure of the cutting fluid system from being built too slowly when the booster pump is started again after being stopped. The pressure of the compressed air is changed at any time by adjusting the second stop valve 10, and the pressure of the cutting fluid is changed at any time by adjusting the first stop valve 9, so that the compressed air and the cutting fluid can generate water mist with the required technical proportion after entering the mixing valve 8.
Referring to fig. 2a, the control circuit is a control circuit for a compressed air pipeline (a second electromagnetic valve 6), one end of AN air circuit relay KA6 of the second electromagnetic valve 6 is connected with a 24V power supply through AN air circuit control button AN6, AN air circuit control button AN6 on AN operating device adopts a self-protection control button, the designed voltage is 24V, the other end of the air circuit relay KA6 of the second electromagnetic valve 6 is grounded, and the air circuit relay KA6 is connected with AN air circuit electromagnetic valve F6 (a second electromagnetic valve 6) in series and is connected with a 220V power supply; when the air circuit control button AN6 is pressed, the air circuit relay KA6 of the second electromagnetic valve 6 is electrified, the air circuit electromagnetic valve F6 (namely the electromagnetic coil of the second electromagnetic valve 6) is electrified, the internal channel of the second electromagnetic valve 6 is opened, and compressed air can enter the mixing valve 8 through the air circuit electromagnetic valve F6.
Referring to fig. 2b, the control circuit is a control circuit in a cutting fluid pipeline (solenoid valve one 5), one end of a cutting fluid relay KA5 of the solenoid valve one 5 is connected with a 24V power supply through a cutting fluid control button AN5, a cutting fluid control button AN5 on AN operating device adopts a self-protection control button, the design voltage is 24V, the other end of the cutting fluid relay KA5 of the solenoid valve one 5 is grounded, and the cutting fluid relay KA5 is connected with a cutting fluid solenoid valve F5 (namely AN electromagnetic coil of the solenoid valve one 5) in series and is connected with a 220V power supply; in operation, when the cutting fluid control button AN5 is pressed, the cutting fluid relay KA5 of the first solenoid valve 5 is electrified, the cutting fluid solenoid valve F5 is electrified, and the cutting fluid can enter the mixing valve 8 through the cutting fluid solenoid valve F5. The cutting fluid and the compressed air are mixed, and cooling water mist can be output.
Referring to fig. 2c, the control circuit is a control circuit for the cutting fluid pipeline (booster pump 2), a low-voltage relay KL7 and a high-voltage relay KH7 are arranged inside the intelligent pressure gauge 7, the design voltage of the low-voltage relay KL7 is 24V, and the design voltage of the high-voltage relay KH7 is 24V; a cutting fluid relay KA2 of the booster pump 2 is connected with a high-voltage relay KH7 and a low-voltage relay KL7 in series and is connected with a 24V power supply; a breaker QF2 of the booster pump 2 and a cutting fluid relay KA2 of the booster pump 2 are connected with a cutting fluid contactor KM2 in series and connected with a 220V power supply; a motor of the booster pump 2 is connected with a 380V power supply through a cutting fluid contactor KM2 and a breaker QF 2;
when the booster pump 2 has a fault or the booster pump 2 has an overcurrent, the circuit breaker QF2 of the booster pump 2 is cut off, so that the booster pump 2 is protected from being burnt out by the overcurrent.
When the pressure at the outlet of the booster pump 2 is reduced to a low-pressure limit value, the low-pressure relay KL7 is connected, the contact of the high-pressure relay KH7 is a normally closed point, the cutting fluid relay KA2 of the booster pump 2 is electrified and self-protected, the contact of the cutting fluid relay KA2 is attracted, the cutting fluid contactor KM2 of the booster pump 2 is electrified, the contact of the cutting fluid contactor KM2 is attracted, the design voltage of the cutting fluid contactor KM2 is 220V, when the cutting fluid contactor KM2 is electrified, the booster pump 2 starts to work, and the cutting fluid can reach a first electromagnetic valve 5 of a cutting fluid pipeline through the booster pump 2;
when the outlet pressure of the booster pump 2 rises to a high-pressure limit value, the high-pressure relay KH7 is disconnected, the cutting fluid relay KA2 of the booster pump 2 is powered off, the contact of the cutting fluid relay KA2 is disconnected, the contact of the cutting fluid contactor KM2 of the booster pump 2 is powered off, the contact of the cutting fluid contactor KM2 is disconnected, and when the contact of the cutting fluid contactor KM2 is powered off, the booster pump 2 stops working. The accumulator 3 is then used to maintain pressure to prevent water pressure from being lost too quickly or building too slowly when the booster pump 2 is not started in time, ensuring that the water pressure is stable so that cutting fluid building up in the conduit can build up quickly.
In specific implementation, the low-pressure limit value of the intelligent pressure gauge 7 is set to be 5MPa, and the low-pressure relay KL7 is connected with the booster pump 2 to start when the outlet pressure of the booster pump 2 is lower than 5 MPa; the high pressure limit value of the intelligent pressure gauge 7 is set to be 7MPa, the outlet pressure of the booster pump 2 is higher than 7MPa, and the high-pressure relay KH7 is connected with the booster pump 2 to stop working.
Referring to fig. 3, the mixing valve 8 is used for adjusting the mixing ratio of the compressed air and the cutting fluid, and the included angle between the compressed air pipeline of the mixing valve 8 and the cutting fluid pipeline is 45 degrees, because the displacement is maximum when the included angle between the speed and the horizontal direction is 45 degrees in the inclined projectile motion, the included angle between the water channel and the air channel is designed to be 45 degrees; the pipe diameter of the compressed air pipeline in the mixing valve 8 is 3 times of the pipe diameter of the cutting fluid pipeline, because when ordinary metal is processed, a small amount of water is needed for surface protection of the processed parts and cooling of the parts and a cutter, and a large amount of air is needed for rapidly reducing the temperature of the surfaces of the parts and the cutter, the pipe diameter of the set compressed air is 3 times of the pipe diameter of the cutting fluid, water mist mixing can be effectively carried out, and the cooling effect is better achieved.
The embodiment adopts the utility model discloses a water smoke cooling system, statistics economic nature between them, the accounting result is: 1) the motor of the cooling pump of the original system is 7.5kw and needs to be operated all the time; the utility model discloses the structure adopts 1kw motor, and the start-up time is original 30%. 2) Originally need consume every year armulin cutting fluid 12 buckets, the cost is nearly 6 ten thousand yuan, adopts the utility model discloses the estimated consumption of every year of structure is less than 1 ten thousand yuan.
Claims (6)
1. A water smoke mixes cooling system which characterized in that: the cutting fluid cutting machine comprises a mixing valve (8), wherein the output end of the mixing valve (8) is a water mist outlet, the side input end of the mixing valve (8) is a cutting fluid inlet, and the main input end of the mixing valve (8) is a compressed gas inlet; a cutting fluid pipeline between a cutting fluid inlet and the cutting fluid box (1) is sequentially connected with a stop valve I (9), an electromagnetic valve I (5) and a booster pump (2), the cutting fluid pipeline is also communicated with an energy accumulator (3) and an intelligent pressure gauge (7), and a stop valve III (4) is arranged between the energy accumulator (3) and the cutting fluid pipeline; a second stop valve (10) and a second electromagnetic valve (6) are arranged on the gas transmission pipeline between the compressed gas inlet and the gas source.
2. The water mist hybrid cooling system of claim 1, wherein: one end of AN air path relay KA6 of the second electromagnetic valve (6) is connected with a 24V power supply through AN air path control button AN6, AN air path control button AN6 on the operating equipment adopts a self-protection control button, the design voltage is 24V safe voltage, the other end of the air path relay KA6 of the second electromagnetic valve (6) is grounded, and the air path relay KA6 is connected with the second electromagnetic valve (6) in series and is connected with the 220V power supply.
3. The water mist hybrid cooling system of claim 1, wherein: one end of a cutting fluid relay KA5 of the first electromagnetic valve (5) is connected with a 24V power supply through a cutting fluid control button AN5, a cutting fluid control button AN5 on AN operating device adopts a self-protection control button, the design voltage is 24V, the other end of the cutting fluid relay KA5 of the first electromagnetic valve (5) is grounded, and the cutting fluid relay KA5 is additionally connected with the first electromagnetic valve (5) in series and connected with a 220V power supply.
4. The water mist hybrid cooling system of claim 1, wherein: the intelligent pressure gauge (7) is internally provided with a low-voltage relay KL7 and a high-voltage relay KH7, and a cutting fluid relay KA2 of the booster pump (2) is connected with the high-voltage relay KH7 and the low-voltage relay KL7 in series and connected with a 24V power supply; a breaker QF2 of the booster pump (2) and a cutting fluid relay KA2 of the booster pump (2) are connected with a cutting fluid contactor KM2 in series and connected with a 220V power supply; and a motor of the booster pump (2) is connected with a 380V power supply through a cutting fluid contactor KM2 and a breaker QF 2.
5. The water mist hybrid cooling system of claim 4, wherein: the design voltage of the low-voltage relay KL7 is 24V of safe voltage, and the design voltage of the high-voltage relay KH7 is 24V of safe voltage.
6. The water mist hybrid cooling system of claim 1, wherein: the included angle between the compressed air pipeline of the mixing valve (8) and the cutting fluid pipeline is 45 degrees, and the pipe diameter of the compressed air pipeline in the mixing valve (8) is 3 times of that of the cutting fluid pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921896158.6U CN211332435U (en) | 2019-10-31 | 2019-10-31 | Water mist mixed cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921896158.6U CN211332435U (en) | 2019-10-31 | 2019-10-31 | Water mist mixed cooling system |
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| CN211332435U true CN211332435U (en) | 2020-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115635150A (en) * | 2022-12-22 | 2023-01-24 | 无锡科利达机电科技有限公司 | Cooling system applied to tapping machine |
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2019
- 2019-10-31 CN CN201921896158.6U patent/CN211332435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115635150A (en) * | 2022-12-22 | 2023-01-24 | 无锡科利达机电科技有限公司 | Cooling system applied to tapping machine |
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