CN209831098U - Mixture generating device for cooling - Google Patents
Mixture generating device for cooling Download PDFInfo
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- CN209831098U CN209831098U CN201920533630.3U CN201920533630U CN209831098U CN 209831098 U CN209831098 U CN 209831098U CN 201920533630 U CN201920533630 U CN 201920533630U CN 209831098 U CN209831098 U CN 209831098U
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Abstract
The utility model discloses a mixture generating device for cooling belongs to the cooling technology field. The mixture generating device for cooling includes: a liquid supply device; a dry ice pellet supply device; the atomizing and mixing device is provided with a liquid inlet, a liquid fog generating cavity, an air inlet, a dry ice particle containing cavity, a material mixing area and a jet orifice, wherein the liquid inlet is communicated with the liquid fog generating cavity; the liquid outlet of the liquid supply device is communicated with the liquid inlet of the atomization mixing device, and the dry ice particle outlet of the dry ice particle supply device is communicated with the dry ice particle containing cavity of the atomization mixing device. The cooling mixture can rapidly cool objects such as materials, parts, tools, objects, and the like.
Description
Technical Field
The utility model belongs to the technical field of the cooling, concretely relates to mixture generating device is used in cooling.
Background
With the development of the machining industry, people begin to develop advanced manufacturing technology vigorously to enable the cutting speed of a machine tool to be higher, the cutting load to be larger and the cutting temperature to be higher, and meanwhile, new processes are continuously generated to adapt to the processing of new materials, so that the new high-performance cutting fluid is required to meet the processing requirements; more importantly, environmental protection and human health are more and more focused on, and clean production and green manufacturing become one of the subjects of developing advanced manufacturing technology. Practice shows that common cutting fluid can cause a plurality of adverse effects on ecological environment and human self, and is difficult to adapt to the requirements of clean production and green manufacturing.
The pushing of the liquid nitrogen cooling ultra-low temperature cutting technology can realize that liquid nitrogen is released in the micropores of the cutting edge part of the blade through the center of the main shaft and the center of the cutter handle, heat generated by cutting of the cutter is instantly taken away by the gasification of the liquid nitrogen (the boiling point of the liquid nitrogen is-320 ℃), and the cutting tool has a better effect particularly on the processing of superhard materials and composite materials, the cutting speed can be greatly improved, and the service life of the cutter can be greatly prolonged.
Although the technology of replacing cutting fluid with liquid nitrogen represents an advanced direction, many experts and scholars invest in a high enthusiasm and great effort. However, liquid nitrogen is not yet available at an industrial level. The lubrication problem cannot be solved by simple cooling; the ultra-low temperature cooling causes a lot of unknown damages to machine tools, cutters and workpieces; moisture in a large range in the air is condensed by liquid nitrogen to be condensed and frozen, so that the problem of rusting of a machine tool, a cutter and a workpiece cannot be avoided; these are problems to be solved by liquid nitrogen cutting.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies of the prior art, it is an object of the present invention to provide a cooling mixture, a generator, a generating method and a cooling method thereof, which can improve the above-mentioned problems.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a cooling mixture generating apparatus comprising:
a liquid supply device for supplying liquid;
a dry ice pellet supply device for supplying dry ice pellets;
the atomizing and mixing device is provided with a liquid inlet, a liquid fog generating cavity, an air inlet, a dry ice particle containing cavity, a mixing area and a jet orifice, wherein the liquid inlet is communicated with the liquid fog generating cavity;
a liquid outlet of the liquid supply device is communicated with the liquid inlet of the atomizing and mixing device, and a dry ice particle outlet of the dry ice particle supply device is communicated with the dry ice particle containing cavity of the atomizing and mixing device.
Further, the liquid supply device comprises a liquid storage container, the liquid storage container is provided with an air inlet pressurization port and a pressure controller, and a liquid outlet of the liquid storage container is provided with an electromagnetic valve.
Further, the dry ice particle supply device comprises a dry ice container, the dry ice particle outlet is arranged at the bottom of the dry ice container, a spiral feeding rod is vertically arranged in the dry ice container, and a stirring sheet positioned in the dry ice container is fixed on the spiral feeding rod.
Furthermore, the spiral feeding rod penetrates out of the dry ice particle outlet and stretches into the dry ice particle containing cavity, a driven bevel gear is fixedly arranged on the spiral feeding rod located in the dry ice particle containing cavity in a fixing mode and meshed with a driving bevel gear, the driving bevel gear is fixedly mounted at the output end of a motor and located in the dry ice particle containing cavity, the motor is located outside the dry ice particle containing cavity, and the control end of the motor is electrically connected with a speed regulating switch.
Furthermore, a sliding bearing in sliding contact with the spiral feeding rod is installed on the upper portion in the dry ice particle outlet, a rolling bearing is installed at the bottom in the dry ice particle containing cavity, and the inner ring of the rolling bearing is fixedly sleeved at the lower end of the spiral feeding rod.
Further, atomizing mixing arrangement includes main part and barrel, the upper end of barrel is fixed the bottom of main part is in order to constitute the chamber takes place for the liquid fog, the inlet the liquid fog export the air inlet dry ice granule holds the chamber dry ice granule export the compounding district with the jet orifice all sets up in the main part, the inlet leads to through a feed liquor channel the chamber takes place for the liquid fog, the liquid fog export in chamber takes place for the liquid fog leads to through a liquid fog passageway the compounding district, the dry ice granule export in dry ice granule appearance chamber leads to through a dry ice granule passageway the compounding district.
Further, still include: a gas supply device for supplying a gas; and an air outlet of the air supply device is communicated with the air inlet of the atomization mixing device.
Further, the liquid supply device, the dry ice particle supply device and the atomizing and mixing device are all mounted on a rack.
Compared with the prior art, the utility model discloses following beneficial effect has: the dry ice particles and the liquid fog are skillfully combined into a mixture of dry ice, liquid vapor and a small amount of ice for the first time, and the low-temperature mixture is sprayed out through air flow, so that objects such as materials, parts, cutters and the like in processing can be cooled or objects can be refrigerated, and the freezing effect is realized; the mixture generating device for cooling is ingenious in structural design and high in production efficiency.
Drawings
Fig. 1 is an overall structural diagram of a first embodiment of the present invention.
Fig. 2 is a front view of the internal structure of the first embodiment of the present invention.
Fig. 3 is a rear view of the internal structure of the first embodiment of the present invention.
Fig. 4 is a left side view of the atomizing and mixing device according to the first embodiment of the present invention.
Fig. 5 is a sectional view of the structure of fig. 4.
Fig. 6 is a rear view of an atomizing and mixing device according to a first embodiment of the present invention.
Fig. 7 is a sectional view of the structure of fig. 6.
Reference numerals: 100. a liquid supply device; 110. a reservoir; 120. a pressure controller; 130. an electromagnetic valve; 140. a liquid delivery pipe; 200. a dry ice pellet supply device; 201. a dry ice particle outlet; 210. a dry ice container; 211. a sealing cover; 220. a screw feed rod; 230. a stirring sheet; 240. a driven bevel gear; 250. a drive bevel gear; 260. a motor; 261. a coupling; 262. a drive shaft; 263. a second rolling bearing; 264. a seal ring; 265. a sleeve; 266. a pedestal bearing; 270. a speed regulating switch; 280. a sliding bearing; 290. a first rolling bearing; 300. an atomizing and mixing device; 301. a liquid inlet; 302. a liquid mist generation chamber; 303. an air inlet; 304. a dry ice particle containing cavity; 305. a mixing area; 306. an ejection port; 307. a liquid mist outlet; 308. a dry ice particle outlet; 310. a main body; 320. a barrel; 330. a liquid mist generator; 340. an auxiliary gas interface; 350. an injection pipe; 360. a nozzle; 400. a frame; 410. a caster wheel; 420. and (7) closing the plate.
Detailed Description
In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The first embodiment is as follows: as shown in fig. 1 to 7, a mixture generating apparatus for cooling includes:
a liquid supply device 100 for supplying liquid; wherein the liquid can be water, emulsion, semisynthetic cutting fluid or fully synthetic cutting fluid;
a dry ice pellet supply device 200 for supplying dry ice pellets; wherein, the particle diameter of the dry ice particles is preferably less than or equal to 3mm, such as 0.5mm, 1mm, 1.5mm, 2mm, 2.5mm and the like;
the atomizing and mixing device 300 is provided with a liquid inlet 301, a liquid fog generating cavity 302, an air inlet 303, a dry ice particle containing cavity 304, a material mixing area 305 and a jet orifice 306, wherein the liquid inlet 301 is communicated with the liquid fog generating cavity 302, the liquid fog generating cavity 302 is provided with a liquid fog generator 330 for converting liquid into liquid fog, the air inlet 303 is communicated with the dry ice particle containing cavity 304, a liquid fog outlet 307 of the liquid fog generating cavity 302 and a dry ice particle outlet 308 of the dry ice particle containing cavity 304 are respectively communicated with the material mixing area 305, and the material mixing outlet of the material mixing area 305 is communicated with the jet orifice 306; wherein, the air inlet 303 can be installed with an auxiliary air interface 340 to connect with an external air source, the liquid mist generator 330 can be an existing product such as an ultrasonic atomizer, a compression atomizer or a mesh atomizer, and the jet orifice 306 can be connected with a nozzle 360 through a jet pipe 350;
wherein, the liquid outlet of the liquid supply device 100 is communicated with the liquid inlet 301 of the atomizing and mixing device 300, and the dry ice particle outlet 201 of the dry ice particle supply device 200 leads to the dry ice particle containing cavity 304 of the atomizing and mixing device 300.
In the first embodiment, the liquid supply apparatus 100 includes a liquid storage container 110, the liquid storage container 110 is provided with an air inlet pressurization port and a pressure controller 120 (available in the prior art), and the liquid outlet of the liquid storage container 110 is provided with a solenoid valve 130. The liquid storage container 110 may be a water storage cavity, a water storage bottle, a water storage tank, or the like, a liquid outlet of the liquid storage container 110 may be connected to the liquid inlet 301 of the atomizing and mixing device 300 through the liquid feeding tube 140, and the solenoid valve 130 may be installed on the liquid feeding tube 140. When in use, the liquid is pressurized into the liquid storage container 110 through the air inlet pressurizing port, controlled by the pressure controller 120 and synchronously controlled by the upper electromagnetic valve 130, so that the liquid flow is slowly delivered to the liquid fog generating cavity 302 at a constant flow rate.
In the first embodiment, the dry ice particle supplying device 200 includes a dry ice container 210, a dry ice particle outlet 201 is disposed at the bottom of the dry ice container 210, a screw feeding rod 220 is vertically installed in the dry ice container 210, and a stirring blade 230 (or a scraping blade or a vane) located in the dry ice container 210 is fixed on the screw feeding rod 220. Wherein, the dry ice container 210 is a heat preservation container such as a dry ice container, a dry ice bucket or a dry ice barrel with an openable sealing cover 211, and the atomizing and mixing device 300 is arranged at the outer bottom of the dry ice container 210. Wherein, the screw feeding rod 220 is provided with one or more spiral grooves on the outer surface of the polish rod. When the dry ice crushing device is used, the spiral feeding rod 220 is driven to rotate, the stirring piece 230 rotates and stirs in the dry ice container 210, dry ice particles are further crushed, meanwhile, the dry ice particles are prevented from being adhered and blocked in the blanking process, the dry ice is prevented from being caked by the aid of the original structure, and the smooth blanking is guaranteed; dry ice particles in the dry ice container 210 are tightly attached to a spiral groove on the spiral feeding rod 220 and fed downwards into the dry ice particle accommodating cavity 304, and then the dry ice particles are assisted by external air of the air inlet 303 to be rapidly mixed with sprayed liquid mist and sprayed out from the nozzle 360, so that an object to be cooled is frozen.
In the first embodiment, the spiral feeding rod 220 penetrates out of the dry ice particle outlet 201 and extends into the dry ice particle accommodating cavity 304, the spiral feeding rod 220 located in the dry ice particle accommodating cavity 304 is fixedly sleeved with a driven bevel gear 240, the driven bevel gear 240 is engaged with a driving bevel gear 250, the driving bevel gear 250 is fixedly installed at an output end of a motor 260 and located in the dry ice particle accommodating cavity 304, the motor 260 is located outside the dry ice particle accommodating cavity 304, and a control end of the motor 260 is electrically connected with a speed regulating switch 270. Wherein, the pivot of motor 260 is connected with transmission shaft 262 through shaft coupling 261, transmission shaft 262 passes through second antifriction bearing 263 (like deep groove ball bearing) and installs in the through-hole on dry ice granule holds the chamber 304 lateral wall, the outside of through-hole is provided with sealing washer 264, drive bevel gear 250 installs the end at transmission shaft 262, the cover is equipped with the sleeve 265 that is located between drive bevel gear 250 and the second antifriction bearing 263 on the transmission shaft 262, sleeve 265 plays the effect of location second antifriction bearing 263 inner circle, can also fix the cover on the transmission shaft 262 and be equipped with area seat bearing 266, the seat of area seat bearing 266 is fixed on the lateral wall of dry ice granule holds the chamber 304, area seat bearing 266 plays supplementary supporting role to transmission shaft 262. When the dry ice discharging device is used, the rotating speed of the motor 260 is controlled through the speed regulating switch 270, the motor 260 drives the driving bevel gear 250, the driving bevel gear 250 drives the driven bevel gear 240, and the driven bevel gear 240 drives the spiral feeding rod 220 and the stirring blades 230 thereon to rotate, so that the dry ice particles are discharged; this novel construction facilitates further crushing of the dry ice pellets since the bevel gear set is located just below the dry ice pellet outlet 201. Of course, the driving end of the screw feeding rod 220 may also be located in the dry ice particle accommodating cavity 304, and the motor 260 may also drive the screw feeding rod 220 in a worm gear manner or the like, so that the motor 260 is disposed outside the dry ice container 210, thereby avoiding affecting the heat preservation of the dry ice.
In the first embodiment, a sliding bearing 280 in sliding contact with the spiral feeding rod 220 is installed at the upper part in the dry ice particle outlet 201, a first rolling bearing 290 is installed at the bottom in the dry ice particle accommodating cavity 304, and an inner ring of the first rolling bearing 290 is fixedly sleeved at the lower end of the spiral feeding rod 220. The first rolling bearing 290 is preferably, but not limited to, a deep groove ball bearing, and a first bearing installation groove for fixing an outer ring of the first rolling bearing 290 is formed in the bottom of the dry ice particle containing cavity 304; the upper portion inside the dry ice particle outlet 201 is provided with a second bearing installation groove for fixing the sliding bearing 280, the sliding bearing 280 can reduce the abrasion of the dry ice particle outlet 201, the sliding bearing 280 can be replaced by a rolling bearing, and the sliding bearing 280 can be eliminated.
In the first embodiment, the atomizing and mixing device 300 includes a main body 310 (which may be a casting) and a cylinder 320, an upper end of the cylinder 320 may be fixed at a bottom of the main body 310 by bolting, welding, etc. to form a liquid fog generating chamber 302, a liquid inlet 301, a liquid fog outlet 307, an air inlet 303, a dry ice particle containing chamber 304, a dry ice particle outlet 308, a mixing region 305 and a spray opening 306 are all disposed on the main body 310, the liquid inlet 301 leads to the liquid fog generating chamber 302 through a liquid inlet channel, the liquid fog outlet 307 of the liquid fog generating chamber 302 leads to the mixing region 305 through a liquid fog outlet channel, and the dry ice particle outlet 308 of the dry ice particle containing chamber 304 leads to the mixing region 305 through a dry ice particle outlet channel. The main body 310 and the cylinder 320 may be integrally formed.
In the first embodiment, the liquid inlet channel, the liquid fog outlet channel and the dry ice particle outlet channel are all arranged on the main body 310, preferably but not limited to a straight channel, so that the use effect is better, and the channels can be bent; the outlet of the liquid inlet channel can be communicated with the middle part of the liquid outlet fog channel at a certain angle (such as 90 degrees, 60 degrees, 45 degrees and 30 degrees), preferably but not limited to 90 degrees, namely the outlet direction of the liquid inlet channel is vertical to the liquid outlet fog channel, so that the atomization effect is better; the outlet of the liquid-fog channel can be intersected with the outlet of the dry ice particle channel at a certain angle (such as 90 degrees, 60 degrees, 45 degrees and 30 degrees) in the mixing area 305, preferably but not limited to 90 degrees, namely the outlet direction of the liquid-fog channel is perpendicular to the outlet direction of the dry ice particle channel, so that the mixing effect is better; the air inlet 303, the dry ice particle passage and the jet opening 306 are preferably, but not limited to, located on the same axis, and the jetting effect is better. In use, when the water level in the mist generating chamber 302 reaches a certain height (which can be controlled by a liquid level sensor or a flow meter), the mist generator 330 starts to work to convert the liquid flow into the liquid mist to be sprayed upwards.
In the first embodiment, the liquid supply device 100, the dry ice particle supply device 200 and the atomizing and mixing device 300 are all mounted on a frame 400, and the frame 400 is preferably, but not limited to, a lightweight, inexpensive, and aesthetic aluminum frame; the bottom of the frame 400 may be provided with a plurality of casters 410, and the casters 410 may be provided with a brake device so as to be movable and fixed; sealing plates 420 (or called as a sealing plate and a decorative plate) can be arranged on each side surface of the rack 400 to shield the lower parts of the liquid supply device 100, the dry ice particle supply device 200 and the atomizing and mixing device 300, and only the sealing cover 211 of the dry ice container 210, the speed regulating switch 270 and the pressure controller 120 need to be exposed, so that the whole device is more attractive in appearance.
Example two: referring to fig. 1 to 7, a cooling mixture generating apparatus is different from the first embodiment in that: further comprising: a gas supply device (omitted from the drawings) for supplying gas; one outlet of the gas supply device may be connected to the inlet 303 of the atomizing and mixing device 300 through a gas pipe, and the other outlet of the gas supply device may be connected to the inlet pressurizing port of the liquid storage container 110 through another gas pipe. The gas supply means may be of conventional design and may for example comprise an air compressor, a gas reservoir and a control valve by which the operation of the two supply ducts is controlled.
Example three: referring to fig. 1 to 7, a method for generating a cooling mixture may adopt the cooling mixture generating apparatus of the first embodiment or the second embodiment, including the following steps:
providing a liquid;
atomizing the liquid into liquid mist;
providing dry ice particles;
dry ice particles are mixed with the liquid mist to form a frozen mixture.
In the third embodiment, the mixture is preferably, but not limited to, 40 to 60% of liquid mist and 60 to 40% of dry ice particles by volume percentage.
Example four: referring to fig. 1 to 7, a cooling method may adopt the cooling mixture generating apparatus of the first embodiment or the second embodiment, including the following steps:
providing a liquid;
atomizing the liquid into liquid mist;
providing dry ice particles;
mixing the dry ice particles with the liquid mist to form a frozen mixture;
the mixture is sprayed towards the target to be cooled.
In the fourth embodiment, the mixture is preferably, but not limited to, 40 to 60% of liquid mist and 60 to 40% of dry ice particles by volume percentage. The mixture of dry ice and liquid mist is adopted for the first time, and the very good freezing (namely rapid cooling) effect is achieved.
In the fourth embodiment, the target to be cooled may be a honeycomb aluminum profile, which solves the problems of easy deformation and tearing in machining, and may also be a titanium alloy, a stainless steel, a composite material and other difficult-to-machine material parts in various machining processes such as milling, grinding, drilling and the like, so that the tool is sufficiently cooled.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art should not depart from the technical scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the scope of the present invention.
Claims (7)
1. A cooling mixture generating apparatus, comprising:
a liquid supply device for supplying liquid;
a dry ice pellet supply device for supplying dry ice pellets;
the atomizing and mixing device is provided with a liquid inlet, a liquid fog generating cavity, an air inlet, a dry ice particle containing cavity, a mixing area and a jet orifice, wherein the liquid inlet is communicated with the liquid fog generating cavity;
a liquid outlet of the liquid supply device is communicated with the liquid inlet of the atomizing and mixing device, and a dry ice particle outlet of the dry ice particle supply device is communicated with the dry ice particle containing cavity of the atomizing and mixing device.
2. A cooling mixture generating apparatus as defined in claim 1, wherein said liquid supplying means includes a liquid storage container, said liquid storage container being provided with an air inlet pressurizing port and a pressure controller, and a liquid outlet of said liquid storage container being provided with a solenoid valve.
3. The cooling mixture generating apparatus according to claim 1, wherein the dry ice particle supply device comprises a dry ice container, the dry ice particle outlet is disposed at the bottom of the dry ice container, a screw feeding rod is vertically installed in the dry ice container, and a stirring piece located in the dry ice container is fixed on the screw feeding rod.
4. The cooling mixture generating device according to claim 3, wherein the spiral feeding rod penetrates out of the dry ice particle outlet and extends into the dry ice particle containing cavity, a driven bevel gear is fixedly sleeved on the spiral feeding rod positioned in the dry ice particle containing cavity and is engaged with a driving bevel gear, the driving bevel gear is fixedly installed at an output end of a motor and is positioned in the dry ice particle containing cavity, the motor is positioned outside the dry ice particle containing cavity, and a control end of the motor is electrically connected with a speed regulating switch.
5. The mixture generating device for cooling as claimed in claim 4, wherein a sliding bearing in sliding contact with the screw feeding rod is installed at an upper portion in the dry ice particle outlet, a rolling bearing is installed at a bottom portion in the dry ice particle containing cavity, and an inner ring of the rolling bearing is fixedly sleeved at a lower end of the screw feeding rod.
6. The cooling mixture generating device according to claim 1, wherein the atomizing and mixing device comprises a main body and a cylinder, the upper end of the cylinder is fixed at the bottom of the main body to form the liquid mist generating chamber, the liquid inlet, the liquid mist outlet, the air inlet, the dry ice particle containing chamber, the dry ice particle outlet, the mixing area and the jet opening are all arranged on the main body, the liquid inlet is communicated with the liquid mist generating chamber through a liquid inlet channel, the liquid mist outlet of the liquid mist generating chamber is communicated with the mixing area through a liquid outlet channel, and the dry ice particle outlet of the dry ice particle containing chamber is communicated with the mixing area through a dry ice particle outlet channel.
7. The cooling mixture generating apparatus according to claim 1, further comprising: a gas supply device for supplying a gas; and an air outlet of the air supply device is communicated with the air inlet of the atomization mixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920533630.3U CN209831098U (en) | 2019-04-18 | 2019-04-18 | Mixture generating device for cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920533630.3U CN209831098U (en) | 2019-04-18 | 2019-04-18 | Mixture generating device for cooling |
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| Publication Number | Publication Date |
|---|---|
| CN209831098U true CN209831098U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920533630.3U Expired - Fee Related CN209831098U (en) | 2019-04-18 | 2019-04-18 | Mixture generating device for cooling |
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| CN (1) | CN209831098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955116A (en) * | 2019-04-18 | 2019-07-02 | 厦门理工学院 | A kind of cooling mixture and its generating device, method for generation and cooling means |
-
2019
- 2019-04-18 CN CN201920533630.3U patent/CN209831098U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955116A (en) * | 2019-04-18 | 2019-07-02 | 厦门理工学院 | A kind of cooling mixture and its generating device, method for generation and cooling means |
| CN109955116B (en) * | 2019-04-18 | 2023-09-08 | 厦门理工学院 | Cooling mixture, generating device, generating method and cooling method thereof |
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Granted publication date: 20191224 |