CN203292942U - Low-temperature atomization air cooler - Google Patents
Low-temperature atomization air cooler Download PDFInfo
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- CN203292942U CN203292942U CN2013203518494U CN201320351849U CN203292942U CN 203292942 U CN203292942 U CN 203292942U CN 2013203518494 U CN2013203518494 U CN 2013203518494U CN 201320351849 U CN201320351849 U CN 201320351849U CN 203292942 U CN203292942 U CN 203292942U
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Abstract
The utility model discloses a low-temperature atomization air cooler and solves the problems that the prior art of trace oil atomization in normal-temperature air is high in temperature and poor in cooling effect; in low-temperature air flow cooling processing, namely low-temperature air flow dry cutting, poor lubrication, fast tool wearing and the like occur. The low-temperature atomization air cooler comprises a drying column, a refrigerating system, a trace oil supply mechanism, a mixing block, a nozzle and a PLC system, wherein the drying column is used for drying and purifying the air coming in from the outside of the low-temperature atomization air cooler, the refrigerating system communicated with the drying column through a pipeline is used for cooling the gas which is dried by the drying column into low-temperature gas, the trace oil supply mechanism is used for injecting oil or liquid into the mixing block through an oil pipe, the mixing block communicated with both the trace oil supply mechanism and the refrigerating system is used for primarily atomizing the injected oil or liquid with the low-temperature gas to form low-temperature gas mist, and the nozzle communicated with the mixing block is used for secondarily atomizing the low-temperature gas mist obtained by primary atomization to form low-temperature atomized gas.
Description
Technical field
The utility model belongs to cooling, the lubrication technical field in metal cutting processing, specifically, relates to a kind of low-temperature atomizing air-cooler.
Background technology
In the machining of lathe, it is that to adopt cooling fluid to carry out fountain to workpiece and cutter cooling, lubricated that workpiece and cutter are carried out to cooling conventional method, this kind type of cooling production efficiency is low, cost drops into high, and can cause in machining producing a large amount of waste liquids, the recovery difficulty of this waste liquid, processing cost is high, and environment is also had to larger pollution.
Further, the micro oil of normal temperature air or the method for liquid atomization and the cooling processing of Cryogenic air stream have in succession been produced; Wherein, the micro oil atomization technique of normal temperature air is that normal temperature air is mixed with oil circuit by control valve, by tracheae, through the nozzle primary atomization, spray to cutting zone, thereby replace cutting fluid to carry out the cooling processing of normal temperature air atomization to workpiece, mainly there is following defect in this kind method: (1) gas flow temperature is high, is generally 15～25 ℃; (2) cooling effectiveness is low, is only applicable to the machining that metal removal is little; (3) the micro oil atomizing particle is thick, and atomizing effect is poor, directly affects lubricant effect.
The cooling processing of Cryogenic air stream realizes by cryogenic cold air blast jet machine, cryogenic cold air blast jet machine is a kind of air refrigerating devie, its operation principle is the normal temperature air of certain pressure to be made to the low-temperature airflow of-40 ℃～-50 ℃, by injection apparatus, to cutting zone, carries out the equipment of cold wind Dry-cutting.The cooling processing of Cryogenic air stream is compared with the micro oil atomization technique of normal temperature air, and gas flow temperature is low, but unlubricated, belongs to DRY CUTTING.Mainly there is following defect in it: (1) only has cold wind and lubricates without micro oil or liquid, can only realize DRY CUTTING, and frictional force is large, the quick abrasion of cutter, and cooling effectiveness is low; (2) drying of airborne water, oil adopts the method for pressure-variable adsorption, and adsorbent is short service time; (3) adopt the insulation of metal foam insulating tube, long distance is carried large to temperature losses.
Though above-mentioned two kinds of cooling technologies can replace cutting fluid processing, range of application is too little, and effect is not good enough.Therefore, how to research and develop and a kind ofly can improve corresponding cutting parameter, realize efficient, the energy-conservation cooling device that cleans processing, just become those skilled in the art's emphasis problem.
The utility model content
The purpose of this utility model is to overcome above-mentioned defect, provides a kind of simple in structure, and it is convenient to realize, efficient, energy-conservation low-temperature atomizing air-cooler.
To achieve these goals, the technical solution adopted in the utility model is as follows:
The low-temperature atomizing air-cooler comprises:
Drying tower, for air dry, that purification enters from described low-temperature atomizing air-cooler outside;
Refrigeration system, adopt split-compressor formula refrigeration, by the heat exchanger in refrigeration system, with the drying tower outlet pipe, is communicated with, and for the dried gas of cooling drying tower, forms low-temperature airflow;
The micro oil feed mechanism, inject mixed block by oil pipe by oil or liquid;
Mixed block, be communicated with nozzle, micro oil feed mechanism and refrigeration system respectively, for injecting oil in it or liquid and low-temperature airflow, carries out atomization for the first time, forms low-temperature airflow liquid mist;
Nozzle, be communicated with mixed block, and the low-temperature airflow liquid mist that will obtain after atomization for the first time carries out atomization for the second time, forms the low-temperature atomizing air-flow;
The PLC control system, the operation of control appliance, the action such as report to the police, stop, simultaneously, automatically control the heating-up temperature (120 ℃～140 ℃) of dry air, regulate to control the consumption (10～100ml/h) and the scope (10 ℃～-60 ℃) used of cold wind temperature of micro oil or liquid.
As a kind of optimal way, described drying tower is two tower exchange heated type drying towers, and it comprises the first drying tower and the second drying tower that is interconnected by low-grade fever formula three-dimensional tube heater.
Further, described refrigeration system is two-stage compression formula refrigeration system.
In order better to realize the utility model, described nozzle is the Universal adjustable nozzle.
Wherein, described micro oil feed mechanism comprises container and the micro oil device that is connected with this container, and this micro oil device is communicated with mixed block by oil pipe.
As a kind of optimal way, between described nozzle and mixed block, by the adjustable pipeline, be communicated with.
The implementation method of this low-temperature atomizing air-cooler comprises the following steps:
(1) extraneous air enters in drying tower, and dry, water and oil in purifying air obtain the dry gas of relevant pressure dew point;
(2) dry gas is delivered to refrigeration system through pipeline and carries out coolingly, forms low-temperature airflow;
(3) low-temperature airflow in described step (2) is delivered to mixed block through utilidor, simultaneously, the micro oil feed mechanism injects mixed block by oil pipe by oil or liquid, and low-temperature airflow and oil or liquid carry out atomization for the first time, form low-temperature airflow liquid mist;
(4) by the low-temperature airflow liquid mist in described step (3) through nozzle, carry out atomization for the second time, form the low-temperature atomizing air-flow; This low-temperature atomizing jet-impingement, to cutting zone, can be carried out to cutting zone to cooling, the lubricated processing of low-temperature cold wind trace liquid or oil.
Wherein, in described step (1), drying tower comprises the first drying tower and the second drying tower that is interconnected by low-grade fever formula three-dimensional tube heater, and the concrete grammar of this drying tower dry air is as follows:
Air enters the first drying tower inside, the first drying tower absorption, a dried gas part heats and enters the second drying tower through low-grade fever formula three-dimensional tube heater processes adsorbent, the while combustion gas, and it is cooling that dried gas another part enters refrigeration system; After adsorbent in the first drying tower is saturated, the first drying tower and the second drying tower exchange work;
Perhaps, air enters the second drying tower inside, the second drying tower absorption, and a dried gas part heats and enters the first drying tower through low-grade fever formula three-dimensional tube heater processes adsorbent, the while combustion gas, it is cooling that dried gas another part enters refrigeration system; After adsorbent in the second drying tower is saturated, the second drying tower and the first drying tower exchange work.
In order better to realize the utility model, the low-temperature airflow temperature in described step (2) is-10 ℃～-60 ℃.Liquid or oily particle size in described step (4) in the low-temperature atomizing air-flow are 20um.
design principle of the present utility model: by under certain pressure, (0.3～0.6Mpa) normal temperature air is after purge drying, by refrigeration system, be cooled to subzero-10 ℃～-60 ℃ and become low-temperature airflows, then configure atomising device, by the secondary atomization, process, micro oil or liquid are sent in low-temperature airflow through secondary-atomizing, form the low-temperature atomizing air-flow, by this low-temperature atomizing air-flow, replace existing cooling with cooling fluid, lubricated, the mode of chip removal processing, from source, blocked the pollution that produces the cutting process, this low-temperature atomizing cooling technology fully reduces the temperature of cutting zone simultaneously, improved the cutting stress of existing machining, frictional force, thereby can improve corresponding cutting parameter, realize efficient, energy-conservation clean processing.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model has changed traditional oily and cooling machining mode of cooling fluid used, by the abundant Cooling and Lubricator cutter of the low-temperature atomizing air-flow that contains sufficient micro oil or liquid mist and workpiece, the temperature of cutting zone is fully reduced, and cooling effect is good; And, improve the cutting stress of existing machining, thereby improved corresponding cutting parameter, realize high-efficient cutting processing; On the other hand, in processing, without the generation of waste liquid, waste oil, solve a large amount of removal waste fluids such as all kinds of lathes, milling machine, boring, mill and machining center and caused the pollution problem to environment, realized the processing that cleans.
(2) the utility model is integrated low-temperature airflow and secondary-atomizing combination, on the one hand, the low-temperature airflow temperature is-10 ℃～-60 ℃, can fully reduce the temperature of cutting zone, the micro oil atomization technique cooling effectiveness that has effectively overcome the prior art normal temperature air is low, the problem of cutter easy to wear; Simultaneously, by mixed block and nozzle, carry out secondary-atomizing, the particle size that produces after micro lubricating oil or liquid atomization is superfine, be generally the 20um left and right, guaranteeing under the prerequisite of its normal lubricant effect, greatly reduce the wearing and tearing of particulate to cutter, extended at double the service life of cutter, effectively overcome the defect of existing cryogenic cold air blast jet machine DRY CUTTING.
The accompanying drawing explanation
Fig. 1 is system block diagram of the present utility model.
Fig. 2 is micro oil feed mechanism in the utility model, refrigeration system and the block diagram that is connected of mixed block.
Fig. 3 is the structural representation of nozzle in the utility model-embodiment 1.
Fig. 4 is the structural representation of nozzle in the utility model-embodiment 2.
Wherein, the corresponding title of mark in accompanying drawing: 1-low-grade fever formula three-dimensional tube heater, 2-the first drying tower, 3-the second drying tower, 4-nozzle, 5-refrigeration system, the 6-container, 7-micro oil device, 8-mixed block, 9-adjustable pipeline, 10-nozzle body, 11-jet hole, 12-micro oil feed mechanism, the 13-spool, 14-utilidor, 15-oil pipe.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, and embodiment of the present utility model includes but not limited to the following example.
In the machining of existing lathe, the cooling of workpiece and cutter mainly is divided into three kinds: traditional cooling fluid fountain is cooling, lubricated; Micro oil the atomization lubricated but normal temperature air that cooling effect is poor is arranged; Unlubricated Cryogenic air stream is cooling.in order to overcome above-mentioned defect, the present embodiment provides a kind of low-temperature atomizing air-cooler, as shown in Figure 1, this low-temperature atomizing air-cooler has changed traditional oily and cooling machining mode of cooling fluid used, simultaneously the micro oil atomization of normal temperature air and Cryogenic air stream cooling technology are organically integrated, by the normal temperature air drying under certain pressure, after purification, air-flow forms low-temperature airflow after refrigeration system is cooling, then liquid or oil are processed through twice atomization, micro oil or liquid are atomized into to superfine particulate formation low-temperature atomizing air-flow, with this low-temperature atomizing air-flow, to cutting zone, carry out cooling, lubricated, not only cooling effect is good, wearing and tearing to cutter are little, and processing in without waste liquid, the generation of waste oil, realized efficient, energy-conservation clean processing.
In order to make those skilled in the art, to each parts in the utility model creation and annexation thereof, understanding more clearly be arranged, below in conjunction with accompanying drawing, it is described in detail:
The low-temperature atomizing air-cooler comprises: drying tower, for the air that drying enters from described low-temperature atomizing air-cooler outside, the water in dry air and oil; As a kind of optimal way, improve drying effect, in the present embodiment, drying tower is two tower exchange heated type drying towers, it comprises the first drying tower 2 and the second drying tower 3 that is interconnected by low-grade fever formula three-dimensional tube heater 1, air enters the first drying tower inside, the first drying tower absorption, and a dried gas part heats and enters the second drying tower through low-grade fever formula three-dimensional tube heater processes adsorbent, the while combustion gas, it is cooling that dried gas another part enters refrigeration system; After adsorbent in the first drying tower is saturated, the first drying tower and the second drying tower exchange work;
Perhaps, air enters the second drying tower inside, the second drying tower absorption, and a dried gas part heats and enters the first drying tower through low-grade fever formula three-dimensional tube heater processes adsorbent, the while combustion gas, it is cooling that dried gas another part enters refrigeration system; After adsorbent in the second drying tower is saturated, the second drying tower and the first drying tower exchange work.
Refrigeration system, be communicated with the drying tower outlet pipe by heat exchanger, for the dried gas of cooling drying tower, forms low-temperature airflow; As a kind of optimal way, refrigeration system adopts two-stage compression formula refrigeration, and cryogenic temperature is according to temperature required configuration.
The micro oil feed mechanism, inject mixed block by oil pipe by oil or liquid.
Mixed block, is connected with the heat-preserving hose of nozzle, micro oil feed mechanism and equipment outlet respectively, for injecting oil in it or liquid and low-temperature airflow, carries out atomization for the first time, formation low-temperature airflow liquid mist.
Nozzle, be communicated with mixed block 8, and the low-temperature airflow liquid mist that will obtain after atomization for the first time carries out atomization for the second time, forms the low-temperature atomizing air-flow.
The compressed air of input is by the micro oil feed mechanism, under the effect of piston pump, liquid is sent in mixed block and carried out primary atomization uniformly, after primary atomization, enter in nozzle 4, become superfine particulate to form the low-temperature atomizing air-flow micro liquid secondary-atomizing, this particle size is generally 20um.
In the present embodiment, as shown in Figure 2, micro oil feed mechanism 12 comprises container 6 and the micro oil device 7 that is connected with this container 6, and this micro oil device 7 is communicated with mixed block 8 by oil pipe 15; Simultaneously, refrigeration system is communicated with mixed block by utilidor 14, and mixed block one end also is communicated with nozzle by adjustable pipeline 9.
In one embodiment, as shown in Figure 3, nozzle is comprised of nozzle body 10 and jet hole 11, and nozzle body is communicated with mixed block 8 by adjustable pipeline 9.Nozzle is made of metal, its diameter is 2 to 5 millimeters, nozzle body is connected with jet hole, the jet hole outer wall is threaded hexagon, jet hole and nozzle body have the gap of 1mm, thereby aerosol is sprayed from the center of nozzle and the gap of jet hole and nozzle body respectively, realize the secondary-atomizing of liquid mist, in figure, arrow represents the aerosol direction.
The PLC control system, the operation of control appliance, the action such as report to the police, stop, simultaneously, automatically control dry after the heating-up temperature (120 ℃～140 ℃) of air, regulate the consumption of controlling micro oil or liquid (10～100ml/h) and the cold wind temperature scope of application (10 ℃～-60 ℃).This PLC control system, for existing mature technology, therefore, repeats no more in the present embodiment.
Further, the temperature of low-temperature atomizing air-cooler, flow set control valve, temperature is at-10 ℃～-60 ℃, and cold flow is at 1～5 Nm
3/ min, micro oil or liquid consumption be at 10～100ml/h, above-mentionedly all can regulate.The profile of low-temperature atomizing air-cooler equipment adopts all steel frame plastic-blasting structure, takes up room little.
In order to reduce air-flow, the energy loss of liquid mist in course of conveying, the utilidor in the present embodiment in the conveying of air-flow, liquid mist all adopts stainless-steel vacuum heat-preserving hose or stainless steel guard foam thermal insulation flexible pipe.
The implementation method of low-temperature atomizing air-cooler comprises the following steps: (1) extraneous air enters in drying tower, and dry, water and oil in purifying air obtain the dry gas of relevant pressure dew point; (2) dry gas is delivered to refrigeration system through pipeline and carries out coolingly, forms low-temperature airflow; (3) low-temperature airflow in described step (2) is delivered to mixed block through utilidor, simultaneously, the micro oil feed mechanism injects mixed block by oil pipe by oil or liquid, and low-temperature airflow and oil or liquid carry out atomization for the first time, form low-temperature airflow liquid mist; (4) by the low-temperature airflow liquid mist in described step (3) through nozzle, carry out atomization for the second time, form the low-temperature atomizing air-flow; This low-temperature atomizing jet-impingement, to cutting zone, can be carried out to cutting zone to cooling, the lubricated processing of low-temperature cold wind trace liquid or oil.
the difference of the present embodiment and embodiment 1 is, the structure difference of nozzle, as shown in Figure 4, in the present embodiment, nozzle is by nozzle body 10, jet hole 11 and the spool 13 that is arranged between the two form, jet hole and nozzle body junction and jet hole and You1mmDe gap, center spool hole, adjustable pipeline is connected with nozzle body, mixed block is communicated with nozzle by adjustable flexible pipe 9 with nozzle, liquid is from aperture (diameter the is 1mm) ejection of center spool, low-temperature airflow is from the gap ejection of center spool hole surrounding and nozzle body and jet hole, realize atomization for the second time, in figure, arrow represents the aerosol direction.
According to above-described embodiment, just can realize well the utility model.What deserves to be explained is; under prerequisite based on the said structure design; for solving same technical problem; even some that make on the utility model are without substantial change or polishing; the essence of the technical scheme that adopts is still the same with the utility model, therefore it also should be in protection domain of the present utility model.
Claims (6)
1. the low-temperature atomizing air-cooler, is characterized in that, comprising:
Drying tower, for air dry, that purification enters from described low-temperature atomizing air-cooler outside;
Refrigeration system, be communicated with drying tower, for the dried gas of cooling drying tower, forms low-temperature airflow;
The micro oil feed mechanism, inject mixed block by oil pipe by fluid;
Mixed block, be communicated with micro oil feed mechanism and refrigeration system respectively, for fluid and the low-temperature airflow that will inject in it, carries out atomization for the first time, forms low-temperature airflow liquid mist, and mixed block also is connected with nozzle;
Nozzle, be communicated with mixed block, and the low-temperature airflow liquid mist that will obtain after atomization for the first time carries out atomization for the second time, forms the low-temperature atomizing air-flow;
The PLC control system.
2. low-temperature atomizing air-cooler according to claim 1, is characterized in that, described drying tower is two tower exchange heated type drying towers, and it comprises the first drying tower (2) and the second drying tower (3) that is interconnected by low-grade fever formula three-dimensional tube heater (1).
3. low-temperature atomizing air-cooler according to claim 1, is characterized in that, described refrigeration system (5) is two-stage compression formula refrigeration system.
4. low-temperature atomizing air-cooler according to claim 1, is characterized in that, described nozzle (4) is the Universal adjustable nozzle.
5. low-temperature atomizing air-cooler according to claim 1, is characterized in that, described micro oil feed mechanism comprises container (6) and the micro oil device (7) that is connected with this container (6), and this micro oil device (7) is communicated with mixed block (8) by oil pipe.
6. the described low-temperature atomizing air-cooler of according to claim 1 to 5 any one, is characterized in that, between described nozzle and mixed block (8), by adjustable pipeline (9), is communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203518494U CN203292942U (en) | 2013-06-19 | 2013-06-19 | Low-temperature atomization air cooler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013203518494U CN203292942U (en) | 2013-06-19 | 2013-06-19 | Low-temperature atomization air cooler |
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| CN203292942U true CN203292942U (en) | 2013-11-20 |
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| CN2013203518494U Expired - Lifetime CN203292942U (en) | 2013-06-19 | 2013-06-19 | Low-temperature atomization air cooler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286630A (en) * | 2013-06-19 | 2013-09-11 | 杨伦 | Low-temperature atomizing air cooler and achieving method thereof |
| CN112292232A (en) * | 2018-05-08 | 2021-01-29 | 布勒特耶自动控制设备有限责任公司 | Atomizer unit of minimum quantity lubrication system |
-
2013
- 2013-06-19 CN CN2013203518494U patent/CN203292942U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286630A (en) * | 2013-06-19 | 2013-09-11 | 杨伦 | Low-temperature atomizing air cooler and achieving method thereof |
| CN103286630B (en) * | 2013-06-19 | 2016-03-30 | 杨伦 | Low-temperature atomizing air-cooler and its implementation |
| CN112292232A (en) * | 2018-05-08 | 2021-01-29 | 布勒特耶自动控制设备有限责任公司 | Atomizer unit of minimum quantity lubrication system |
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Legal Events
| Date | Code | Title | Description |
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| CX01 | Expiry of patent term |
Granted publication date: 20131120 |
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| CX01 | Expiry of patent term | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: On July 7, 2023, the expiration and termination of the 39 volume 2702 patent Number: 27-02 Volume: 39 |
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| CU01 | Correction of utility model |