CN108127477A - For manufacturing the equipment of vacuum pump - Google Patents
For manufacturing the equipment of vacuum pump Download PDFInfo
- Publication number
- CN108127477A CN108127477A CN201711389375.1A CN201711389375A CN108127477A CN 108127477 A CN108127477 A CN 108127477A CN 201711389375 A CN201711389375 A CN 201711389375A CN 108127477 A CN108127477 A CN 108127477A
- Authority
- CN
- China
- Prior art keywords
- pipette
- coolant
- vacuum pump
- spray pipe
- guide plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1038—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1076—Arrangements for cooling or lubricating tools or work with a cutting liquid nozzle specially adaptable to different kinds of machining operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The present invention relates to the production technical fields of pump, and in particular to a kind of equipment for manufacturing vacuum pump；Including rack, rack is equipped with the clamping part for clamping workpiece and the cutter for workpieces processing, further includes tank for coolant, collector unit and recovery unit；Coolant in tank for coolant is ethyl alcohol or acetone, and the top of tank for coolant is equipped with refrigeration web plate；Collector unit includes guide plate and collecting vessel；Guide plate is obliquely installed from top to bottom；Recovery unit includes pipette, injection spray pipe and air blowing portion；Pipette is vertical with injection spray pipe, and pipette is shorter than injection spray pipe；The bottom end of pipette is located in collecting vessel, and the top of pipette is higher than refrigeration web plate；One end of injection spray pipe is connected with air blowing portion, and the other end is connect towards refrigeration web plate and with the top of pipette.This programme can not only prevent coolant from remaining in vacuum pump surface of shell and form mottling, and can also recycle coolant, reduce the use cost of coolant.
Description
Technical field
The present invention relates to the production technical fields of pump, and in particular to a kind of equipment for manufacturing vacuum pump.
Background technology
Vacuum pump refers to be obtained to being evacuated by pumping container using machinery, physics, chemically or physically chemical method
The device or equipment of vacuum.For popular, vacuum pump is to improve, generate and maintain true in a certain enclosure space with various methods
Empty device.Vacuum pump is generally made of housing, Bian Gai, end cap, rotor etc..It is more in the process equipment of housing to use to machine
Bed, to obtain to outer surface the housing for having several bar-shaped troughs.When actual processing, since process tool can generate amount of heat,
Therefore usually it can be cooled down with cutting fluid and be lubricated cutter and vacuum pump case.Cutting fluid is provided simultaneously with good cooling
Energy, greasy property, rustless property, oil removing cleaning function, anti-corrosion function, easily dilutable feature；Overcome traditional tradition soap base emulsion summer
Its easy smelly, winter difficult dilution, the defect of rust-proof effect difference, also have no adverse effects to lathe paint.Common cutting formula of liquid is main
Ingredient includes ethylene glycol, sodium tetraborate, sodium metasilicate, sodium phosphate.
However in the prior art in the technique cooled down using cutting fluid (coolant), also there are following defects：1、
In the bar-shaped trough of the meeting of completion of processing back casing surface residual fraction cutting fluid, especially surface of shell, cutting fluid residual phenomena is most
To be apparent, these cutting fluids can form mottling after having done in surface of shell, influence housing appearance；2nd, it is needed in housing process
Will spray cooling liquid is to workpiece surface always, but these a large amount of most direct emissions of coolant are fallen, and not only pollute environment, but also
Improve the use cost of coolant.
Invention content
The purpose of the present invention is to provide a kind of equipment for manufacturing vacuum pump, can not only prevent coolant from remaining in very
Empty pump case surface forms mottling, and can also recycle coolant, reduces the use cost of coolant.
To achieve the above object, the present invention provides following technical solution：For manufacturing the equipment of vacuum pump, including rack,
Rack be equipped with for clamping workpiece clamping part and the cutter for workpieces processing, further include tank for coolant, collector unit and
Recovery unit；Coolant in tank for coolant is ethyl alcohol or acetone, and the top of tank for coolant is equipped with refrigeration web plate, tank for coolant
Open top, the bottom of tank for coolant is communicated with high-pressure nozzle, and clamping part and cutter are respectively positioned on the lower section of high-pressure nozzle；It collects
Unit includes guide plate and collecting vessel；Guide plate is obliquely installed from top to bottom, and the top of guide plate is located under high-pressure nozzle
Side, the bottom end of guide plate connects with the bottom of collecting vessel, and clamping part and cutter are respectively positioned on the top of guide plate；Recovery unit includes
Pipette, injection spray pipe and air blowing portion；Pipette is vertical with injection spray pipe, and pipette is shorter than injection spray pipe；The bottom end of pipette is located at
In collecting vessel, the top of pipette is higher than refrigeration web plate；One end of injection spray pipe is connected with air blowing portion, other end direction refrigeration web plate
And it is connect with the top of pipette.
The advantageous effect of above-mentioned technical proposal is：
1st, by by cutting fluid replace with ethyl alcohol either acetone using the volatile of ethyl alcohol or acetone and volatilization when inhale
The characteristics of hot, the heat that by tool sharpening vacuum pump case when generates siphons away, so as to achieve the effect that cooling；It can be with after processing
Without doing other subsequent processing processes such as drying again, and it is attached to the ethyl alcohol of vacuum pump surface of shell or acetone can be automatic
It volatilizees (can volatilize automatically at room temperature), without remaining in vacuum pump surface of shell, effectively avoids cutting of the prior art
Situations such as mottling that liquid remains in vacuum pump surface of shell and generates；Using the excellent dissolubility of ethyl alcohol or acetone, in ethyl alcohol
Either acetone can also be by vacuum pump case table with ethyl alcohol while dropping down onto guide plate or acetone by the clast for processing generation
The impurity such as face others such as greasy dirt are taken away, and cleaning performance is good.
2nd, by the structure connection relation between pipette, injection spray pipe and air blowing portion and three, utilize " flow velocity increases,
The bernoulli principle of pressure reduction ", when air blowing portion is to spraying treacheal gas insufflation, the air pressure above pipette reduces, imbibition
Ethyl alcohol or acetone in pipe are risen at the top of pipette, and the air-flow rapidly that the gas that injection spray pipe sprays is formed will rise to suction
Ethyl alcohol or acetone at the top of liquid pipe dispel to form spraying, until on refrigeration web plate；Spraying is condensed into drop and is attached to refrigeration to the cold
It on web plate, and directly drops down onto in tank for coolant under the effect of gravity, reach recycling coolant and recycles coolant, reduce cold
But the use cost of liquid.
3rd, the top of tank for coolant is mounted on by the web plate that will freeze, high-pressure nozzle is mounted on the bottom of tank for coolant, this
For sample coolant during cutter is cooled down, the ethyl alcohol or acetone of the gaseous state of volatilization can be in uphill process, in refrigeration web plate
On be condensed into drop to the cold, and equally directly drop down onto in tank for coolant, further improve the rate of recovery to ethanol/acetone；Cooling
Liquid is recycled in use, can be realized after once adding in ethanol/acetone coolant to tank for coolant, i.e.,
It can achieve the purpose that cooling for a long time, and without as often added cutting fluid in the prior art, effectively reducing process operation process.
Preferred embodiment one, as the preferred embodiment of basic scheme, refrigeration web plate includes several horizontal tubes and several VERTICAL TUBEs,
Horizontal tube is mutually perpendicular to VERTICAL TUBE, and leakage plate hole is formed between adjacent two horizontal tubes and adjacent two VERTICAL TUBEs,
Several convex needles for being used to condense drop are equipped on horizontal tube and VERTICAL TUBE.Convex needle can increase ethanol/acetone gas or second
Alcohol/acetone spraying and the contact area of refrigeration web plate, so as to expand ethanol/acetone condensation efficiency.
Preferred embodiment two, as basic scheme or the preferred embodiment of preferred embodiment one, the caliber of injection spray pipe is more than imbibition
The caliber of pipe.In this way, with air blowing portion, after spraying treacheal gas insufflation, the air pressure that injection spray pipe can allow at the top of pipette reduces more
Soon, the coolant rate of climb faster, organic efficiency higher.
As basic scheme or the preferred embodiment of preferred embodiment one, work is installed in pipette for preferred embodiment three
Property charcoal.It can make further filtering to ethanol/acetone, clean-up effect is more preferable.
Preferred embodiment four, as basic scheme or the preferred embodiment of preferred embodiment one, the side wall of collecting vessel, which is equipped with, to be used
In the strainer of coolant that filtering guide plate introduces.Ethyl alcohol and the larger impurity of some particles can be separated by filtration, so as to purify
Ethanol solution.
The preferred embodiment of preferred embodiment five, preferably four, the bottom end of guide plate are equipped with the filter for collecting filter residue
Slag case, filter residue case are connect with housing slide.The larger impurity of the particles such as the clast after filtering is gradually deposited in filter residue case, deposition
After to a certain extent, filter residue can be poured out by sliding filter residue case, easy to operate.
Description of the drawings
Fig. 1 is the structure diagram that the present invention is used to manufacture the apparatus embodiments of vacuum pump；
Fig. 2 is the structure diagram of refrigeration web plate in Fig. 1.
Specific embodiment
Below by the further details of explanation of specific embodiment：
Reference numeral in Figure of description includes：Rack 1, clamping part 2, cutter 20, cylinder 21, vacuum pump case 22,
Tank for coolant 3, high-pressure nozzle 30, refrigeration web plate 4, horizontal tube 40, VERTICAL TUBE 41, leakage plate hole 42, convex needle 43, guide plate 5, filter
Slag case 50, collecting vessel 6, strainer 60, pipette 7, activated carbon 70, injection spray pipe 8, fixed frame 80, inflator 9, sealing shroud 90.
Embodiment is substantially as shown in Figure 1：For manufacturing the equipment of vacuum pump, including rack 1, rack 1 is equipped with and is used for
The clamping part 2 of clamping workpiece and the cutter 20 for workpieces processing, clamping part 2 and cutter 20 can directly use the prior art,
And clamping part 2 is allowed to be located at left side, cutter 20 is located at right side, and vacuum pump case 22 is located at clamping part 2 and cutter 20 between the two；Knife
The right end connection cylinder 21 of tool 20, cutter 20 to be allowed to be moved according to processing.Further include tank for coolant 3, collector unit
And recovery unit.
Coolant in tank for coolant 3 is ethyl alcohol or acetone, and the present embodiment uses ethyl alcohol.It opens at the top of tank for coolant 3
Mouthful, the bottom of tank for coolant 3 is communicated with high-pressure nozzle 30, and clamping part 2 and cutter 20 are respectively positioned on the lower section of high-pressure nozzle 30, realizes
Ethyl alcohol in tank for coolant 3 is sprayed onto in vacuum pump case 22 at a high speed.The top of tank for coolant 3 is equipped with refrigeration web plate 4.Such as Fig. 2
Shown, refrigeration web plate 4 includes several horizontal tubes 40 and several VERTICAL TUBEs 41, and horizontal tube 40 is mutually perpendicular to VERTICAL TUBE 41, and phase
Form leakage plate hole 42 between two adjacent horizontal tubes 40 and adjacent two VERTICAL TUBEs 41, horizontal tube 40 in VERTICAL TUBE 41
Equipped with several for condensing the convex needle 43 of drop, alcohol gas or ethyl alcohol spraying and 40/ VERTICAL TUBE 41 of horizontal tube can be increased
Contact area, so as to expand ethyl alcohol condensation efficiency.The refrigeration principle of refrigeration web plate 4 can directly use the prior art, as long as
Horizontal tube 40 and VERTICAL TUBE 41 can be allowed to reach cooling alcohol gas or ethyl alcohol spraying into adopting in ethanol liquid, such as air-conditioning
The technology cooled down with environment friendly refrigerating fluid R410A.
Collector unit includes guide plate 5 and collecting vessel 6；Guide plate 5 is obliquely installed from top to bottom, the top position of guide plate 5
In the lower section of high-pressure nozzle 30, while clamping part 2 and cutter 20 are respectively positioned on the top of guide plate 5, and the bottom end of guide plate 5 is equipped with recessed
The filter residue case 50 of groove shape, filter residue case 50 are slidably connected with rack 1, and the side wall of collecting vessel 6 is equipped with strainer 60, is led for filtering
The ethyl alcohol introduced to plate 5, not only allows the bottom end of guide plate 5 to be connected with the bottom of collecting vessel 6, so as to which ethyl alcohol be allowed to enter collecting vessel 6
It is interior；The metal fragment that 20 milling surface of shell of cutter is fallen can also be gradually deposited in filter residue case 50, so as to preliminary purification
Ethyl alcohol.
Recovery unit includes pipette 7, injection spray pipe 8 and air blowing portion.The bottom end of pipette 7 is located in collecting vessel 6, and imbibition
The bottom end of pipe 7 is wedge shaped, and there is certain distance in the bottom end of pipette 7 apart from the bottom of collecting vessel 6, and the present embodiment is pipette 7
Bottom and the top of strainer 60 flush, tiny of dust that be deposited in collecting vessel 6 etc. can be sucked to avoid pipette 7 in this way
Grain.The top of pipette 7 is higher than refrigeration web plate 4.Activated carbon 70 is installed in pipette 7, specific mounting means can be adopted
The packed one bag of activated carbon 70 of gauze is taken, then one hook of installation in pipette 7, gauze bag is hung in hook, this
Sample can make ethyl alcohol further filtering, and clean-up effect is more preferable.The right end of injection spray pipe 8 is connected with air blowing portion, and air blowing portion is preferred
For inflator 9, and sealing shroud 90 is sealedly connected between inflator 9 and injection spray pipe 8, prevents gas from leaking；The left end direction of injection spray pipe 8
Refrigeration web plate 4 is simultaneously welded with the top of pipette 7.Pipette 7 is vertical with injection spray pipe 8, for consolidate pipette 7 vertical state with
The horizontality of injection spray pipe 8 installs a fixed frame 80 again in pipette 7 and injection spray pipe 8 respectively.And pipette 7 is than injection spray pipe 8
Short, the caliber of injection spray pipe 8 is also greater than the caliber of pipette 7, in this way when inflator 9 is blown towards injection spray pipe 8 is interior, according to
The bernoulli principle of " flow velocity increases, pressure reduces ", the air pressure of 7 top of pipette reduce, and the ethyl alcohol in pipette 7 rises to suction
The ethyl alcohol at 7 top of pipette is dispelled to form spraying by 7 top of liquid pipe, the air-flow rapidly that the gas that injection spray pipe 8 sprays is formed, until
Freeze on web plate 4.
When processing vacuum pump case 22, vacuum pump case 22 is fixed on clamping part 2, and start cutter 20 to vacuum pump case
Body 22 is processed, and in process, opens simultaneously high-pressure nozzle 30, and the ethyl alcohol allowed in tank for coolant 3 is sprayed onto vacuum pump at a high speed
22 surface of housing, and start inflator 9, constantly blow to injection spray pipe 8.The characteristics of absorbing heat when ethyl alcohol is using itself volatilization, by cutter
The heat generated during 20 processing vacuum pump case 22 is taken away, so as to achieve the effect that cooling；Along with the excellent dissolubility of ethyl alcohol
(all mixing with oil, aqueous substance), can reach good cleaning performance to the impurity on 22 surface of vacuum pump case.After volatilization
The ethyl alcohol of gaseous state rises to refrigeration web plate 4, is condensed into the cold on the convex needle 43 that drop is attached on refrigeration web plate 4.Liquid
The ethyl alcohol of state drops down onto 5 bottom of guide plate with impurity such as clasts from guide plate 5, and liquid ethyl alcohol passes through strainer 60 to enter and receives
The collection impurity such as bucket 6, the clast of fixing shape are gradually deposited in filter residue case 50.Into collecting vessel 6 ethyl alcohol in injection spray pipe 8 to imbibition
Under the action of pipe 7 is blown, 7 top of pipette is risen to, and dispelled in misty ethyl alcohol by air-flow, meanwhile, ethyl alcohol is in injection spray pipe 8
Uphill process in, impurity can further be adsorbed by activated carbon 70, and ethyl alcohol further be purified；It is sprayed at gravity and fortune
It under the action of dynamic inertia, drops on refrigeration web plate 4, similarly, can also be condensed into drop to the cold and be attached on refrigeration web plate 4
On convex needle 43.Drop on convex needle 43 is fallen into again in tank for coolant 3, obtains recycling the purpose of ethyl alcohol.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and practical applicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (6)
1. for the equipment for manufacturing vacuum pump, including rack, rack is equipped with for the clamping part of clamping workpiece and for processing
The cutter of workpiece, it is characterised in that：Further include tank for coolant, collector unit and recovery unit；Cooling in the tank for coolant
Liquid is ethyl alcohol or acetone, and the top of tank for coolant is equipped with refrigeration web plate, the open top of tank for coolant, the bottom of tank for coolant
High-pressure nozzle is communicated with, the clamping part and cutter are respectively positioned on the lower section of high-pressure nozzle；The collector unit include guide plate and
Collecting vessel；The guide plate is obliquely installed from top to bottom, and the top of guide plate is located at the lower section of high-pressure nozzle, the bottom of guide plate
End is connected with the bottom of the collecting vessel, and the clamping part and cutter are respectively positioned on the top of guide plate；The recovery unit includes
Pipette, injection spray pipe and air blowing portion；The pipette is vertical with injection spray pipe, and pipette is shorter than injection spray pipe；The pipette
Bottom end is located in collecting vessel, and the top of pipette is higher than the refrigeration web plate；One end of the injection spray pipe is connected with air blowing portion, separately
One end is connect towards the refrigeration web plate and with the top of pipette.
2. the equipment according to claim 1 for manufacturing vacuum pump, it is characterised in that：The refrigeration web plate includes several
Horizontal tube and several VERTICAL TUBEs, the horizontal tube are mutually perpendicular to VERTICAL TUBE, and adjacent two horizontal tubes and adjacent two
Leakage plate hole is formed between VERTICAL TUBE, several convex needles for being used to condense drop are equipped on horizontal tube and VERTICAL TUBE.
3. the equipment according to claim 1 or 2 for manufacturing vacuum pump, it is characterised in that：The caliber of the injection spray pipe
More than the caliber of pipette.
4. the equipment according to claim 1 or 2 for manufacturing vacuum pump, it is characterised in that：It is fixed in the pipette
Activated carbon is installed.
5. the equipment according to claim 1 or 2 for manufacturing vacuum pump, it is characterised in that：The side wall of the collecting vessel
It is equipped with the strainer for filtering the coolant that guide plate introduces.
6. the equipment according to claim 5 for manufacturing vacuum pump, it is characterised in that：The bottom end of the guide plate is equipped with
For collecting the filter residue case of filter residue, the filter residue case is connect with housing slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711389375.1A CN108127477B (en) | 2017-12-21 | 2017-12-21 | Apparatus for manufacturing vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711389375.1A CN108127477B (en) | 2017-12-21 | 2017-12-21 | Apparatus for manufacturing vacuum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108127477A true CN108127477A (en) | 2018-06-08 |
| CN108127477B CN108127477B (en) | 2020-01-31 |
Family
ID=62391002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711389375.1A Expired - Fee Related CN108127477B (en) | 2017-12-21 | 2017-12-21 | Apparatus for manufacturing vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108127477B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251063A (en) * | 2020-03-25 | 2020-06-09 | 深圳市金三鼎工业有限公司 | CNC cutting fluid circulating device |
| CN112171192A (en) * | 2020-09-22 | 2021-01-05 | 合肥凯琳制冷设备有限公司 | Production process of air-conditioning compressor shell assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201423185Y (en) * | 2009-04-20 | 2010-03-17 | 深圳市天骄科技开发有限公司 | Alcohol recovery device |
| CN102107337A (en) * | 2011-03-21 | 2011-06-29 | 南京雷尔伟新技术有限公司 | Vehicle body draft, bolster and buffer assembling and welding process |
| CN104647130A (en) * | 2013-11-19 | 2015-05-27 | 西北机器有限公司 | Cycle cooling machine tool cooling tank |
| CN204656284U (en) * | 2015-05-19 | 2015-09-23 | 南京都乐制冷设备有限公司 | The absorption type recover acetone system that shoe-making industry is resolved with normal pressure |
| CN206305882U (en) * | 2016-11-23 | 2017-07-07 | 东莞劲胜精密组件股份有限公司 | A kind of alcohol sprayer unit |
-
2017
- 2017-12-21 CN CN201711389375.1A patent/CN108127477B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201423185Y (en) * | 2009-04-20 | 2010-03-17 | 深圳市天骄科技开发有限公司 | Alcohol recovery device |
| CN102107337A (en) * | 2011-03-21 | 2011-06-29 | 南京雷尔伟新技术有限公司 | Vehicle body draft, bolster and buffer assembling and welding process |
| CN104647130A (en) * | 2013-11-19 | 2015-05-27 | 西北机器有限公司 | Cycle cooling machine tool cooling tank |
| CN204656284U (en) * | 2015-05-19 | 2015-09-23 | 南京都乐制冷设备有限公司 | The absorption type recover acetone system that shoe-making industry is resolved with normal pressure |
| CN206305882U (en) * | 2016-11-23 | 2017-07-07 | 东莞劲胜精密组件股份有限公司 | A kind of alcohol sprayer unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251063A (en) * | 2020-03-25 | 2020-06-09 | 深圳市金三鼎工业有限公司 | CNC cutting fluid circulating device |
| CN112171192A (en) * | 2020-09-22 | 2021-01-05 | 合肥凯琳制冷设备有限公司 | Production process of air-conditioning compressor shell assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108127477B (en) | 2020-01-31 |
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