CN102501132B - Low-energy-consumption low-temperature composite spray cutting system - Google Patents
Low-energy-consumption low-temperature composite spray cutting system Download PDFInfo
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- CN102501132B CN102501132B CN201110442709.3A CN201110442709A CN102501132B CN 102501132 B CN102501132 B CN 102501132B CN 201110442709 A CN201110442709 A CN 201110442709A CN 102501132 B CN102501132 B CN 102501132B
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Abstract
The invention discloses a low-energy-consumption low-temperature composite spray cutting system and belongs to the technical field of machining and clean production. The low-energy-consumption low-temperature composite spray cutting system mainly comprises a filter pressure reducing valve, a fine oil spray generation device, a low-temperature liquid production device, a low-temperature cold air atomization device, a common conveying pipe and an insulation conveying pipe. The fine oil spray generation device comprises a partition plate, an atomization chamber, a precipitation chamber, a micro oil pump and an oil capacity control valve. The low-temperature liquid production device comprises a liquid storage tank, a semiconductor refrigerating or heating device, a liquid level control valve and an insulation conveying pipe; the low-temperature cold air atomization device comprises a vortex refrigeration device which produces cold air and a nozzle; and the nozzle comprises a fixed sheet, an oil spray thin pipe outlet, a water thin pipe outlet, a mixing cavity and a spray outlet channel. The system forms low-temperature composite oil spray in which a layer of thin oil film is covered on water drops by using purely oily plant oil based cutting oil with good performance, frozen low-temperature purified water and low-temperature cold air, accurately sprays the low-temperature composite oil spray onto a metal cutting area at high speed, and fulfills the aims of effective cooling and lubrication.
Description
Technical field
The present invention relates to machining clearer production technology field, particularly relate to a kind of low temperature combined mist cutting system of low energy consumption.
Background technology
In machining, a large amount of use metal working fluids (oiliness working fluid and water-soluble working fluid) are in order to reach lubricated, cooling and clean effect.Along with the high speed development of modernization processing industry, water-soluble working fluid (as emulsion, can solution and lysate) recycle in a large number, and a large amount of discharges of processing-waste, have caused serious problem of environmental pollution.In working fluid, not only contain the EP agent of the elements such as harmful sulphur, phosphorus, chlorine, and contain surfactant additive, while sneaking into tiny smear metal in process, cause additive in working fluid to be difficult to separation, become the waste liquid that is difficult to be recycled.Deal carefully with these cutting waste fluids, need a lot for the treatment of facilities and a large amount of disposal costs.Meanwhile, in High-speed machining, recycle in a large number oiliness working fluid (as mineral oil and extreme pressure oil), the danger of breaking out of fire is strengthened.
Along with the world more and more payes attention to environmental protection, in machining, a large amount of processing methods of working fluid of using will be subject to all restrictions, and appropriateization of working fluid or complete dry type cutting process are hoped to be applied to actual processing.More representational is micro lubricating spraying cutting technology and low-temperature cold wind cutting technology.
Micro lubricating spraying cutting technology, spray processing is to utilize high pressure draught guiding micro cutting oil cutting region to be carried out to the processing method of oil foglubrication.Spraying air-flow is supplied with cutting region, and oil or fat particles wherein can cover cutter, be cut material and smear metal, thereby reaches the object of the Cooling and Lubricator of cutting portion.As oil supply method, use double flexible pipe more.The flexible pipe of central part is the front end that the cutting oil for oil pump is supplied with is delivered to nozzle, at nozzle place, by outer field gases at high pressure, is guided and forms mist of oil supply cutting portion.Now spray processing is used vegetalitas cutting oil more, but because its heat of gasification is little, micro-finish cannot be removed a large amount of heat in metal cuttings, therefore in high-speed cutting, adds man-hour, and the temperature of cutting region can sharply rise, and makes cutting oil evaporation and loses lubricated function.In machining, affecting the topmost factor of cutter life is the heat in metal cutting that cutting point produces.The required energy of cutting movement is used for being greatly cut distortion, cut-out, the generation smear metal of material, and the friction of cutter and finished surface generation.And this major part wherein will be transformed into heat energy, make the temperature that is cut material and cutter increase.The rising of cutter temperature can cause the softening of Tool in Cutting sword, thereby tool wear is accelerated.In the occasion of continuous cutting processing, particularly the processing occasion to high temperature alloy, the special difficult-to-machine metal of titanium alloy, because cutting region can produce amount of heat, is used merely trace plant cutting oil will be easy to cause cutting region high temperature.Therefore the combined mist processing method of simultaneously utilizing water and vegetalitas cutting oil is to have realized the processing method that the cooling function of water is coordinated to the lubricated function of vegetalitas cutting oil.If water temperature can be reduced as far as possible, compressed-air actuated temperature is reduced simultaneously, effect can be more obvious.
Low-temperature cold wind cutting technology, low-temperature air-cooling cutting is a kind of method that adopts low-temperature cold wind strongly to wash away processing district.It can show the temperature that reduces equably processing district, cutter and workpiece, utilize the black brittleness of material, make it in the situation that toughness drop, plasticity reduce, complete the separated of smear metal and workpiece, effectively suppress tool wear, improve tool life, improve the crudy of machined surface.The temperature of gas generally can be controlled in below-10 ℃, therefore has stronger cooling capacity.Cryogenic gas more easily enters cutting region than liquid, and the contact-making surface of cutter and smear metal, cutter and workpiece, has increased cooling effect.This processing technology has been avoided use cutting fluid, but do not possess, does not have greasy property, if supply with micro-high-performance cutting oil in cold wind, improves effect more obvious.
Summary of the invention
Technical problem to be solved by this invention is: overcome above-mentioned the deficiencies in the prior art, a kind of low temperature combined mist cutting system of low energy consumption is provided, the low temperature combined mist cutting system of this low energy consumption proposes a kind of energy effective temperature-reducing and lubricated Green Machining technology based on non-toxic herb oil lubrication, cryogenic liquid vaporization cooling and low-temperature cold wind cooling are combined, not only guarantee lubricant effect, more significantly improved cooling effect; The production cost of its cryogenic liquid and low-temperature cold wind is low, and device fabrication cost is low, and applicable region is extensive, and the applicable time is long, has realized the round-the-clock use of different regions, north and south high temperature and low temperature environment.
The technical solution adopted for the present invention to solve the technical problems is: a kind of low temperature combined mist cutting system of low energy consumption, mainly comprise filtering pressure reducing valve, fine oil fog generating apparatus, cryogenic liquid process units, low-temperature cold wind atomising device, common carrier pipe and insulation carrier pipe, low-temperature cold wind atomising device and fine oil fog generating apparatus are communicated with filtering pressure reducing valve by common carrier pipe respectively, fine oil fog generating apparatus is communicated with low-temperature cold wind atomising device by common carrier pipe, and cryogenic liquid process units is communicated with low-temperature cold wind atomising device by insulation carrier pipe.
In technique scheme, the inner chamber of described fine oil fog generating apparatus separately becomes spray chamber and mud chamber by dividing plate, on fine oil fog generating apparatus, be provided with micro-atomizing nozzle and the outlet of suspended oil particle, micro-atomizing nozzle is arranged on spray chamber top, the outlet of suspended oil particle is arranged on top, mud chamber, miniature oil pump and quantity control valve pass through pipeline communication, pipeline upper end is communicated with micro-atomizing nozzle, and lower end of duct is connected with fine oil fog generating apparatus following side and is connected with the intracavity bottom that is communicated with fine oil fog generating apparatus.
Further, described cryogenic liquid process units comprises liquid reserve tank, semiconductor refrigerating or heat-producing machine, liquid measure control valve and insulation carrier pipe, liquid reserve tank is by pipeline communication semiconductor refrigerating or heat-producing machine, semiconductor refrigerating or heat-producing machine are communicated with liquid measure control valve by insulation carrier pipe, and liquid measure control valve is communicated with low-temperature cold wind atomising device by insulation carrier pipe.
Further, described semiconductor refrigerating or heat-producing machine comprise Stainless Steel Shell, heat-preservation cotton, semiconductor chilling plate, semiconductor heating sheet and two radiator fans, heat-preservation cotton encases Stainless Steel Shell, the chill surface close contact Stainless Steel Shell of semiconductor chilling plate, the face that the heats close contact radiator fan of semiconductor chilling plate; The face that the heats close contact Stainless Steel Shell of semiconductor heating sheet, the chill surface close contact radiator fan of semiconductor heating sheet; On semiconductor refrigerating or heat-producing machine, be provided with inlet and liquid outlet.
Further, described low-temperature cold wind atomising device comprises vortex cooler and atomizer, described shower nozzle comprises stator, the outlet of mist of oil tubule, the outlet of water liquid tubule, hybrid chamber and goes out mist passage, and the outlet of mist of oil tubule and water liquid tubule export and by stator, be fixed in shower nozzle respectively; Water liquid tubule outlet and water liquid tubule are connected as a single entity, and the outlet of mist of oil tubule and mist of oil tubule are connected as a single entity, hybrid chamber with go out mist passage and connect together.
Further, described water liquid tubule outlet is than the outlet of the more close shower nozzle of mist of oil tubule outlet.
Further, the capacity of described Stainless Steel Shell receiving fluids is 100～200ml.
The invention has the beneficial effects as follows: 1, fine oil fog generating apparatus in the low temperature combined mist cutting system of this low energy consumption produces the dry fog just as smog that appropriate granularity is not more than 2 μ m, and cause low-temperature cold wind atomising device, cryogenic liquid process units utilizes semiconductor refrigerating principle production water at low temperature liquid simultaneously, and deliver to low-temperature cold wind atomising device, the mist of oil that low-temperature cold wind atomising device utilizes vortex refrigeration principle to manufacture cold wind and the generation of fine oil fog generating apparatus is mixed into low-temperature cold wind mist of oil, low-temperature cold wind mist of oil carries out atomization as source of the gas to the water at low temperature liquid of being delivered to by cryogenic liquid process units, can produce granularity is the water smoke of 100 μ m left and right.According to oil chemistry, interfacial chemical reaction principle, oil molecule has hydrophilic group (anion) and hydrophobic group (cation), and oil molecule is adsorbed on the surface of water one by one side by side.Due to the dilatancy of oil molecule, the result of the oil molecule absorption that thousands of diameters are less is to make to form the thin oil film of one deck on the relatively large hydrone of diameter surface.When low temperature mist of oil is sprayed onto cutting region, arrive at first the oil film of surface of the work, play lubricated and anti-attrition effect fully, thereby can produce good lubricant effect.Again because low temperature water droplet enters behind cutting region, after absorbing heat in metal cutting, form nucleate points, fine droplet seethes with excitement rapidly, vaporization, bubble disengagement, and drive droplet liquid acutely to stir, droplet is further vaporized, take away amount of heat, the tiny globule produces vaporization phase transformation, become steam, improved heat-sinking capability.And finish is adsorbed on finished surface, play lubricated and rust-proof effect preferably.Meanwhile, due to what form water droplet, be to be formed by the water at low temperature liquid through cooling, 100 ℃ of the dried up vapourizing temperatures temperature difference than normal-temperature water is larger, thus the heat of absorption is more.In addition, low-temperature cold wind washes away cutting region, plays the effect of cold wind cutting.Therefore, triple cooling-down effects of heat that cooling effect has the heat absorption of low temperature spray vaporization, cold wind is directly lowered the temperature and oil film reduction mill rubs are superimposed, than general other cooling-down effect, more showing.The low temperature combined mist cutting system of this low energy consumption proposes a kind of energy effective temperature-reducing and lubricated Green Machining technology based on non-toxic herb oil lubrication, cryogenic liquid vaporization cooling and low-temperature cold wind cooling are combined, not only guarantee lubricant effect, more significantly improved cooling effect.2, its cryogenic liquid of low temperature combined mist cutting system of this low energy consumption and the production cost of low-temperature cold wind are low, and device fabrication is with low cost.3, the applicable region of the low temperature combined mist cutting system of this low energy consumption is extensive, and the applicable time is long, has realized the round-the-clock use of different regions, north and south high temperature and low temperature environment.4, the low temperature combined mist cutting system of this low energy consumption forms the compound mist of tiny profit by the plant oil based cutting oil of the pure oiliness of high-performance with through freezing low temperature pure water and low-temperature cold wind, accurately be sprayed onto metal cutting district at a high speed, realized effective cooling and lubricated object.5, semiconductor chilling plate has following advantage and disadvantage in technology application: without any need for cold-producing medium, can continuous operation, do not have pollution sources there is no rotary part, can not produce gyroscopic action, there is no slide unit is a kind of solid piece part, during work, does not shake and noise; Long service life, easy for installation; Semiconductor chilling plate has two kinds of functions, and one side heats, another side refrigeration.6, cryogenic liquid process units has following features: power is little, and power consumption is low; Both can freeze, also can heat, Based Intelligent Control, all parts of the country all can round-the-clockly be used; Use the two large functions that ethanol freezing point is low and volatilization is lowered the temperature, get twice the result with half the effort.7, vortex refrigerator pneumatically drives, and does not need electric power, and pure frame for movement is inner without chemicals (without refrigerant), pollution-free possibility; Reliable, non-maintaining, production cost and use cost are very low, and vortex tube is inner without any movable part, without wearing and tearing possibility, and the life-span reaches more than 10 years; Volume is little, lightweight, easy for installation.8, in use, the water yield and oil mass can be combined as required to regulate and control, very easy to use.While needing strong cooling while being used for cutting the warm very high cutting of hardworking material, water yield appropriateness can be tuned up; On the contrary, when cutting temperature is not high, water yield appropriateness can be turned down.During roughing, emphasize cooling performance, the water yield tunes up, and oil mass is turned down; During fine finishining, emphasize greasy property, oil mass tunes up, and water smoke is turned down.Also can realize together that consumption is large and amount is little.Even, can turn off a kind of in oil or water, realize single effect.Therefore, by the combination of having a mind to of oil mass and the water yield, control, can easily realize the required optimum efficiency of two kinds of functions of lubrication and cooling.
Accompanying drawing explanation
Fig. 1 is structure diagram of the present invention, A arrow represents the compressed-air actuated flow direction, B arrow represents that granularity is not more than the flow direction of the dry fog just as smog of 2 μ m, and D arrow represents the flow direction of cryogenic liquid, and E arrow represents that granularity is the flow direction of the oil film attached water mist of 100 μ m;
Fig. 2 is the cutaway view of the fine oil fog generating apparatus in the present invention, and A arrow represents the compressed-air actuated flow direction;
Fig. 3 is the structure diagram of the cryogenic liquid process units in the present invention, and A arrow represents the compressed-air actuated flow direction;
Fig. 4 is semiconductor refrigerating in the present invention or the cutaway view of heat-producing machine;
Fig. 5 is the cutaway view of the low-temperature cold wind atomising device in the present invention;
Fig. 6 is the enlarged drawing in C region in Fig. 5.
Description of reference numerals in Fig. 1 to Fig. 6: 1---common carrier pipe; 2---filtering pressure reducing valve; 3---low-temperature cold wind atomising device; 4---fine oil fog generating apparatus; 5---insulation carrier pipe; 6---cryogenic liquid process units; 7---the outlet of suspended oil particle; 8---mud chamber; 9---dividing plate; 10---mix mist of oil; 11---spray chamber; 12---micro-atomizing nozzle; 13---bulky grain mist of oil particle; 14---quantity control valve; 15---miniature oil pump; 16---cutting oil; 17---suspended oil particle; 18---liquid reserve tank; 19---semiconductor refrigerating or heat-producing machine; 20---liquid measure control valve; 21---semiconductor chilling plate; 22---heat-preservation cotton; 23---Stainless Steel Shell; 24---liquid outlet; 25---inlet; 26---semiconductor heating sheet; 27---radiator fan; 28---shower nozzle; 29---flexible hose; 30---connector; 31---water liquid inlet; 32---mist of oil entrance; 33---vortex refrigerator; 34---muffler; 35---go out mist passage; 36---hybrid chamber; 37---stator; 38---compressed air inlet; 39---the outlet of mist of oil tubule; 40---mist of oil tubule; 41---water liquid tubule; 42---the outlet of water liquid tubule.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not practical range of the present invention is confined to this.
As shown in Figure 1, the low temperature combined mist cutting system of a kind of low energy consumption described in the present embodiment, mainly comprise filtering pressure reducing valve 2, fine oil fog generating apparatus 4, cryogenic liquid process units 6, low-temperature cold wind atomising device 3, common carrier pipe 1 and insulation carrier pipe 5, low-temperature cold wind atomising device 3 and fine oil fog generating apparatus 4 are communicated with filtering pressure reducing valve 2 by common carrier pipe 1 respectively, fine oil fog generating apparatus 4 is communicated with low-temperature cold wind atomising device 3 by common carrier pipe 1, and cryogenic liquid process units 6 is communicated with low-temperature cold wind atomising device 3 by insulation carrier pipe 5.A arrow represents the compressed-air actuated flow direction, and B arrow represents that granularity is not more than the flow direction of the dry fog just as smog of 2 μ m, and D arrow represents the flow direction of cryogenic liquid, and E arrow represents that granularity is the flow direction of the oil film attached water mist of 100 μ m left and right.
As shown in Figure 2, A arrow represents the compressed-air actuated flow direction, another ducted arrow represents the flow direction of cutting oil 16, the inner chamber of described fine oil fog generating apparatus 4 separately becomes spray chamber 11He mud chamber 8 by dividing plate 9, on fine oil fog generating apparatus 4, be provided with micro-atomizing nozzle 12 and suspended oil particle outlet 7, micro-atomizing nozzle 12 is arranged on spray chamber 11 tops, suspended oil particle outlet 7 is arranged on 8 tops, mud chamber, miniature oil pump 15 and quantity control valve 14 pass through pipeline communication, pipeline upper end is communicated with micro-atomizing nozzle 12, lower end of duct is connected with fine oil fog generating apparatus 4 following sides and is connected with the intracavity bottom that is communicated with fine oil fog generating apparatus 4.Dividing plate 9 contacts with top seal with the vertical both sides of fine oil fog generating apparatus 4, and the distance of 5～10mm is left in bottom from the pasta of cutting oil 16.Miniature oil pump 15 is extracted cutting oil 16 out, and is adjusted to aequum through quantity control valve 14.Cutting oil 16 and compressed air enter micro-atomizing nozzle 12 to be mixed, and by micro-atomizing nozzle 12, is ejected in spray chamber 11.Mixing mist of oil 10 particles varies, and flow velocity is slower in the space of relatively large spray chamber 11, bulky grain mist of oil particle 13 and be bonded at particle on spray chamber 11 inwalls because Action of Gravity Field is precipitated in cutting oil 16, the mist of oil particle that particle lower weight is light enters mud chamber 8 from the space between cutting oil 16 and dividing plate 9.Enter the mist of oil of mud chamber 8, due to the low and Action of Gravity Field of flow velocity as a same reason, suspended oil particle 17 and heavier bulky grain mist of oil particle 13 are screened again, heavier bulky grain mist of oil particle 13 sinks in cutting oil 16, only have the suspended oil particle 17 of lighter weight to enter carrier pipe through suspended oil particle outlet 7, be finally sent to low-temperature cold wind atomising device 3.Wherein miniature oil pump 15, quantity control valve 14 and micro-atomizing nozzle 12 are the universal product on market, are not described further herein.
As shown in Figure 3, A arrow represents the compressed-air actuated flow direction, described cryogenic liquid process units 6 comprises liquid reserve tank 18, semiconductor refrigerating or heat-producing machine 19, liquid measure control valve 20 and insulation carrier pipe 5, liquid reserve tank 18 is by pipeline communication semiconductor refrigerating or heat-producing machine 19, semiconductor refrigerating or heat-producing machine 19 are communicated with liquid measure control valve 20 by insulation carrier pipe 5, and liquid measure control valve 20 is communicated with low-temperature cold wind atomising device 3 by insulation carrier pipe 5.Compressed air through pressure-reducing valve Pressure Drop to after suitable low-pressure (0.01～0.05MPa), enter liquid reserve tank 18 liquid is depressed into semiconductor refrigerating or heat-producing machine 19, the liquid of refrigeration (heat) is adjusted to aequum through liquid measure control valve 20, is sent to low-temperature cold wind atomising device 3 carries out atomization use finally by insulation carrier pipe 5.The key problem in technology of this device is semiconductor refrigerating or heat-producing machine 19.These parts adopt semiconductor chilling plate as cold (heat) source.Wherein liquid reserve tank 18 use stainless steels are made, in case by corrosion, and must not leakage leak gas, can bear certain pressure (0.1MPa).
As shown in Figure 4, arrow in inlet 25 and liquid outlet 24 represents respectively the flow direction of its corresponding liquid, described semiconductor refrigerating or heat-producing machine 19 comprise Stainless Steel Shell 23, heat-preservation cotton 22, semiconductor chilling plate 21, semiconductor heating sheet 26 and two radiator fans 27, heat-preservation cotton 22 closely encases Stainless Steel Shell 23, the chill surface close contact Stainless Steel Shell 23 of semiconductor chilling plate 21, the face that the heats close contact radiator fan 27 of semiconductor chilling plate 21; The face that the heats close contact Stainless Steel Shell 23 of semiconductor heating sheet 26, the chill surface close contact radiator fan 27 of semiconductor heating sheet 26; On semiconductor refrigerating or heat-producing machine 19, be provided with inlet 25 and liquid outlet 24.The capacity of described Stainless Steel Shell 23 receiving fluids is 100～200ml.Because the water amount of liquid that combined mist system is used is little, per hour need 20～100ml, therefore the capacity of Stainless Steel Shell 23 receiving fluids is 100～200ml, need not be too large, so that refrigeration (heat) speed is faster, the heat-preservation cotton 22 of the outer bread high insulating effect of Stainless Steel Shell 23, prevents that Stainless Steel Shell 23 inside and outside heats from exchanging.According to semiconductor chilling plate simultaneously freeze one side thermal property processed, the chill surface close contact Stainless Steel Shell 23 of semiconductor chilling plate 21, heats face close contact radiator fan, can take like this cold of cooling piece; The face that the heats close contact Stainless Steel Shell 23 of semiconductor heating sheet 26, chill surface close contact radiator fan, can take the heat of cooling piece like this.Stainless Steel Shell 23 also must not be leaked gas in leakage, can bear certain pressure (0.1MPa), the position of contact semiconductor cooling piece 21 and semiconductor heating sheet 26 need guarantee good flatness, to guarantee the chill surface of Stainless Steel Shell 23 and contact semiconductor cooling piece 21 and the face that the heats close contact of semiconductor heating sheet 26.When liquid is entered after Stainless Steel Shell 23 by inlet 25, after accepting to freeze or heating, then flowed out by liquid outlet 24, can complete refrigeration or heating schedule.Can install intelligent temperature controller additional, the water liquid temperature of Stainless Steel Shell 23 the insides is set in to desired quantity.Illustrate, being set as temperature required is 1～3 ℃, the temperature of starting working of dress intelligent temperature controller can be made as to 0～4 ℃.When temperature rises to 4 ℃, semiconductor chilling plate 21 is started working and is freezed, and works to water temperature always and is down to 0 ℃; And when temperature drops to 0 ℃, semiconductor heating sheet 26 is started working and heated, work to water temperature always and rise to 4 ℃.So, at northern area winter temperature, reach subzero tens while spending, all according to the actual Ministry of worker, required suitable temperature is set, thereby can guarantees that water liquid is not frozen, and use equipment is normally used.And in southern area, winter temperature can be down to 0 ℃ of following working environment, can not be equipped with the semiconductor heating sheet 26 of hot use, only fill semiconductor chilling plate 21.It is the product of 60 watts that semiconductor chilling plate 21 is selected power, and this product is that family's water dispenser is used, and price is the cheapest, and little power consumption.6 water liquid of cryogenic liquid process units can be pure water, can be also the water-soluble plant oil base cutting fluids of low concentration.Use after cutting fluid, liquid can have stronger lubricity and rust-preventing characteristic, the effect that can play reinforcement to the lubricity of the plant oil based cutting oil of pure oiliness and rust-preventing characteristic.In addition, can need in liquid, add a certain amount of ethanol according to cooling.Ethanol, is edible alcohol, nontoxic, volatile, can with arbitrary proportion, dissolve each other with water.The freezing point of straight alcohol is-117.3 ℃, therefore alcohol content is higher in water, freezing point is just lower, and its freezing tolerance is also just stronger.Ethanol-type motor vehicle antifreeze fluid adopts ethanol to mix by different proportion with soft water exactly, is mixed with the anti-icing fluid of different freezing points.Patent application of the present invention utilizes the low and volatile function of ethanol freezing point, is added into according to a certain percentage in water liquid, to reach following two effects: one, the freezing point of water liquid can be down to lowlyer by 0 ℃, can make liquid mist temperature lower, cooling effect is better; Its two, ethanol has volatility fast, takes away a large amount of heats during volatilization, cooling-down effect is showing very much, the temperature of cutting region better can be reduced.The pure water below drawing at laboratory many experiments for inventor is joined the freezing point data after the ethanol of variable concentrations:
| The concentration of ethanol in | Freezing point | |
| 6％ | -2.0 |
|
| 14％ | -5.0 |
|
| 17％ | -6.1 |
|
| 20％ | -7.5 |
|
| 25％ | -10.6 |
|
| 27％ | -12.2℃ |
Should be particularly noted that: because liquid is all sealed to the whole process of atomizer by liquid reserve tank, so do not worry that ethanol can volatilization loss.
As shown in Figure 5 and Figure 6, described low-temperature cold wind atomising device 3 adopts vortex refrigeration principle, clean compressed air is entered by compressed air inlet 38, after vortex refrigerator 33, the hot blast producing is discharged by the muffler 34 of hot blast end, and cold wind enters flexible hose 29 through connector 30 and flows to shower nozzle 28, when arriving stator 37, with through mist of oil entrance 32, come in, and the fine mist of oil that arrives the mist of oil tubule outlet 39 of mist of oil tubule 40 is mixed into low temperature mist of oil.Low temperature mist of oil is coming in through water liquid inlet 31 and arriving the water at low temperature atomization of liquid of the water liquid tubule outlet 42 of water liquid tubule 41.At low temperature mist of oil in water atomization of liquid process, most of oil particle will be attached on water particle, the elaioleucite of not enclosing of remaining fraction arrives before port through the hybrid chamber 36 in shower nozzle 28 and the minor diameter space that goes out mist passage 35 together with water particle, also have major part and be attached on water particle, finally form low temperature compound oil water smoke and be sprayed onto at a high speed cutting region.Flexible hose 29 skins are surrounded by heat-insulation layer, play heat-blocking action.Vortex refrigerator 33, vortex tube (Vortex Tube) phenomenon was found by a French scholar in nineteen twenty-two, after nineteen sixty, vortex tube starts to be applied by business, as a kind of core component that produces cold airflow, vortex tube is through the development of decades and various countries engineer's effort, nowadays vortex tube technology has been very ripe, and is used widely in worldwide, and is public technology.Industrial work principle: blast injection enters behind vortex tube minor air cell, air-flow flows to vortex tube hot gas and brings out mouth to rotate up to per minute 1,000,000 speed that turn, part air-flow flows out by control valve, after remaining gas is blocked, at former air-flow inner ring, with same rotating speed, counter-rotate, and flow to vortex tube cold air end.In this process, two bursts of air-flow generation heat exchanges, interior ring air-flow becomes terribly cold, from left side, flows out, and it is awfully hot that outer shroud air-flow becomes, and from right side, flows out.The temperature of cold airflow and uninterrupted can be by regulating the gate control of vortex tube hot gas end valve.It is higher that vortex tube hot gas brings out gas ratio, and the temperature of vortex tube cold air end air-flow is just lower, and flow is corresponding minimizing also.The structure of this vortex refrigerator 33 is specifically shown in utility model patent " dry type cutting cooling unit ZL200720059088.X ", is not described further herein.
As shown in Figure 6, described low-temperature cold wind atomising device 3 comprises shower nozzle 28, described shower nozzle 28 comprises stator 37, mist of oil tubule outlet 39, water liquid tubule outlet 42, hybrid chamber 36 and goes out mist passage 35, and the outlet 39 of mist of oil tubule and water liquid tubule outlet 42 are fixed in shower nozzle 28 between two parties by stator 37 respectively; Water liquid tubule outlet 42 and water liquid tubule 41 are connected as a single entity, and the outlet 39 of mist of oil tubule and mist of oil tubule 40 are connected as a single entity, hybrid chamber 36 and go out mist passage 35 and connect together.Described water liquid tubule outlet 42 is than the outlet of mist of oil tubule outlet 39 more close shower nozzles 28, to guarantee that cold wind and mist of oil are first mixed to form low temperature mist of oil.Stator 37 should be noted retaining the maximum headroom of crossing, to guarantee that cold wind can pass through smoothly.When the cold wind flowing out from vortex tube enters flexible hose 29 through connector 30, flow to shower nozzle 28, when arriving stator 37, because the flowing space diminishes, flow velocity increase is mixed into low temperature mist of oil with the fine mist of oil that has reached mist of oil tubule outlet 39.Low temperature mist of oil dispels formation fine liquid particles a small amount of water at low temperature liquid that arrives water liquid tubule outlet 42, most mist of oil drips simultaneously with water droplet and fully contacts and be attached to particle than on the much bigger water droplet of mist of oil particle, remaining fraction fail to be attached to mist of oil on water droplet drip hybrid chamber 36 with go out the little space of mist passage 35 in fully contact with water droplet so that most oil droplets are attached on water droplet.Result is to have ten million tiny oil droplet to be attached to Particle Phase to forming skim oil film above much bigger water droplet, finally forms the cooling combined mist of oil on water, finally by the outlet end that goes out mist passage 35, is sprayed.The low temperature combined mist cutting system of this low energy consumption can have one to a plurality of shower nozzles, only needs to increase heat preserving perfusion tube, mist of oil carrier pipe and low-temperature cold wind atomising device.
In use, the water yield and oil mass can be combined as required to regulate and control, very easy to use.Illustrate, while needing strong cooling when cutting the very high cutting of hardworking material of temperature, water yield appropriateness can be tuned up; On the contrary, when cutting temperature is not high, water yield appropriateness can be turned down.During roughing, emphasize cooling performance, the water yield tunes up, and oil mass is turned down; During fine finishining, emphasize greasy property, oil mass tunes up, and water smoke is turned down.Also can realize together that consumption is large and amount is little.Even, can turn off oil or water, realize single effect.Therefore, by any combination of oil mass and the water yield, control, can easily realize the combination of two kinds of functions of lubrication and cooling.
The above is only a preferred embodiment of the present invention; the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies; for example; low temperature combined mist cutting system of the present invention also may be for grinding; therefore, be included in equally in the protection domain of patent application of the present invention.
Claims (4)
1. the low temperature combined mist cutting system of a low energy consumption, it is characterized in that: comprise filtering pressure reducing valve (2), fine oil fog generating apparatus (4), cryogenic liquid process units (6), low-temperature cold wind atomising device (3), common carrier pipe (1) and insulation carrier pipe (5), low-temperature cold wind atomising device (3) and fine oil fog generating apparatus (4) are communicated with filtering pressure reducing valve (2) by common carrier pipe (1) respectively, fine oil fog generating apparatus (4) is communicated with low-temperature cold wind atomising device (3) by common carrier pipe (1), cryogenic liquid process units (6) is communicated with low-temperature cold wind atomising device (3) by insulation carrier pipe (5),
Described cryogenic liquid process units (6) comprises liquid reserve tank (18), semiconductor refrigerating or heat-producing machine (19), liquid measure control valve (20) and insulation carrier pipe (5), liquid reserve tank (18) is by pipeline communication semiconductor refrigerating or heat-producing machine (19), semiconductor refrigerating or heat-producing machine (19) are communicated with liquid measure control valve (20) by insulation carrier pipe (5), and liquid measure control valve (20) is communicated with low-temperature cold wind atomising device (3) by insulation carrier pipe (5);
The inner chamber of described fine oil fog generating apparatus (4) separately becomes spray chamber (11) and mud chamber (8) by dividing plate (9), on fine oil fog generating apparatus (4), be provided with micro-atomizing nozzle (12) and suspended oil particle outlet (7), micro-atomizing nozzle (12) is arranged on spray chamber (11) top, suspended oil particle outlet (7) is arranged on top, mud chamber (8), miniature oil pump (15) and quantity control valve (14) pass through pipeline communication, pipeline upper end is communicated with micro-atomizing nozzle (12), lower end of duct is connected with fine oil fog generating apparatus (4) following side and is connected with the intracavity bottom that is communicated with fine oil fog generating apparatus (4),
Described semiconductor refrigerating or heat-producing machine (19) comprise Stainless Steel Shell (23), heat-preservation cotton (22), semiconductor chilling plate (21), semiconductor heating sheet (26) and two radiator fans (27), heat-preservation cotton (22) encases Stainless Steel Shell (23), the chill surface close contact Stainless Steel Shell (23) of semiconductor chilling plate (21), the face that the heats close contact radiator fan (27) of semiconductor chilling plate (21); The face that the heats close contact Stainless Steel Shell (23) of semiconductor heating sheet (26), the chill surface close contact radiator fan (27) of semiconductor heating sheet (26); On semiconductor refrigerating or heat-producing machine (19), be provided with inlet (25) and liquid outlet (24);
Described cryogenic liquid process units (6) institute water liquid is in water, to add a certain amount of ethanol, and wherein, the concentration of ethanol in water is 6%, 14%, 17%, 20%, 25% or 27%.
2. the low temperature combined mist cutting system of a kind of low energy consumption according to claim 1, it is characterized in that: described low-temperature cold wind atomising device (3) comprises shower nozzle (28), described shower nozzle (28) comprises that stator (37), mist of oil tubule outlet (39), water liquid tubule export (42), hybrid chamber (36) and go out mist passage (35), and mist of oil tubule outlet (39) and water liquid tubule outlet (42) are fixed in shower nozzle (28) by stator (37) respectively; Water liquid tubule outlet (42) and water liquid tubule (41) are connected as a single entity, and mist of oil tubule exports (39) and mist of oil tubule (40) is connected as a single entity, hybrid chamber (36) and go out mist passage (35) and connect together.
3. the low temperature combined mist cutting system of a kind of low energy consumption according to claim 2, is characterized in that: described water liquid tubule outlet (42) is than the outlet of mist of oil tubule outlet (39) more close shower nozzle (28).
4. the low temperature combined mist cutting system of a kind of low energy consumption according to claim 1, is characterized in that: the capacity of described Stainless Steel Shell (23) receiving fluids is 100～200ml.
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| CN103286630B (en) * | 2013-06-19 | 2016-03-30 | 杨伦 | Low-temperature atomizing air-cooler and its implementation |
| CN103831664B (en) * | 2014-02-21 | 2016-07-06 | 中国人民解放军海军航空工程学院 | A kind of workbox for Pneumatic cutting lubrication and quantity delivered are demarcated and method of adjustment |
| CN104227494B (en) * | 2014-09-12 | 2016-08-17 | 东莞安默琳机械制造技术有限公司 | The automatic supply system of combined mist cooling oil for machining |
| CN104786095B (en) * | 2015-04-12 | 2017-02-01 | 娄底市洪申科技有限公司 | Radiating device and method for high-speed cutting tool |
| CN104924148B (en) * | 2015-05-13 | 2019-07-30 | 上海金兆节能科技有限公司 | Oil-water-gas three-phase micro lubricating cooling system |
| CN106737203B (en) * | 2017-01-04 | 2019-01-08 | 青岛理工大学 | Superonic flow nozzzle vortex tube refrigeration couples feed system with nano-fluid micro lubricating |
| CN106493606B (en) * | 2017-01-12 | 2018-12-14 | 台州力聚自动化科技有限公司 | A kind of cooling micro- lubricating arrangement of lathe |
| CN106863002B (en) * | 2017-04-10 | 2019-09-13 | 东莞安默琳机械制造技术有限公司 | Water at low temperature mist cooling for cut lubricates supply system |
| CN107443162A (en) * | 2017-09-22 | 2017-12-08 | 东莞安默琳机械制造技术有限公司 | A kind of vortex tube composite atomizing Tool in Cutting system of processing |
| CN107378129B (en) * | 2017-09-22 | 2023-05-30 | 东莞安默琳机械制造技术有限公司 | Cutter cutting system |
| CN107755742A (en) * | 2017-11-20 | 2018-03-06 | 广东工业大学 | A kind of substrate cooling processing unit (plant) and processing method |
| WO2019100185A1 (en) * | 2017-11-21 | 2019-05-31 | 太仓市何氏电路板有限公司 | Aluminium substrate cutting and shaping apparatus with atomising cooling device |
| ES2718704B2 (en) * | 2018-02-27 | 2022-01-11 | Nortek S A | High efficiency separator nozzle |
| CN112476047B (en) * | 2020-11-30 | 2021-11-12 | 河南理工大学 | Atomizing device of trace lubricating system |
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Address after: 523000 Guangdong province Dongguan City Wanjiang Wanjiang community Wando spike Road No. 411 building 7B Dongguan Shengyi machinery manufacturing Merlene Technology Co. Ltd. Patentee after: DG ARMORINE ENERGY-EFFICIENT AND ECO-FRIENDLY TECH Co.,Ltd. Address before: 523000 Guangdong province Dongguan City Wanjiang Wanjiang community Wando spike Road No. 411 building seven floor Dongguan City Shengyi Merlene energy saving environmental protection technology Co Ltd Patentee before: DG ARMORINE ENERGY-EFFICIENT AND ECO-FRIENDLY TECH CO.,LTD. |
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