CN216936557U - Novel circular injection structure for automatic cleaning spray gun for carbon dioxide critical particles - Google Patents
Novel circular injection structure for automatic cleaning spray gun for carbon dioxide critical particles Download PDFInfo
- Publication number
- CN216936557U CN216936557U CN202122683326.7U CN202122683326U CN216936557U CN 216936557 U CN216936557 U CN 216936557U CN 202122683326 U CN202122683326 U CN 202122683326U CN 216936557 U CN216936557 U CN 216936557U
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- nozzle
- input port
- spray gun
- mixing
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Nozzles (AREA)
Abstract
The utility model belongs to the technical field of electronic product cleaning, in particular to a novel circular spraying structure for an automatic cleaning spray gun of carbon dioxide critical particles, which comprises a heat preservation pipe, a nozzle, a mixing AIR chamber, an AIR compressed AIR input port, a carbon dioxide input port and a carbon dioxide high-pressure hose, wherein the nozzle is arranged in the heat preservation pipe, the mixing AIR chamber is communicated with the nozzle, the side wall of the mixing AIR chamber is provided with a connecting seat which is communicated with the mixing AIR chamber through the connecting seat, through the mode, the heat preservation pipe is arranged to be isolated from the external temperature, the surface of a product to be cleaned is frost-free and water-free with the device body, simultaneously, the mixture in the nozzle can be sprayed out through pressurized mixing, the problems that the mixing ratio of liquid carbon dioxide and AIR is not uniform, the dry ice particles after physical reaction are not sprayed out quickly, the nozzle is blocked after being accumulated, and the spraying point is concentrated are avoided, the effective spraying coverage point can reach 5-10mm along with the height change, and organic matters, impurities and electrostatic particle dust on the surface can be quickly treated.
Description
Technical Field
The utility model belongs to the technical field of electronic product cleaning, and particularly relates to a novel circular jet structure for an automatic cleaning spray gun of carbon dioxide critical particles.
Background
Currently, the most common cleaning technique for electronic products is ultrasonic cleaning, which uses ultrasonic waves to add a specific chemical solution for cleaning, and the function of the ultrasonic cleaning technique is mainly to clean particles attached to objects (e.g., electronic components, semiconductor chips, etc.), and the cleaning intensity, temperature and matching cleaning solution required for cleaning are further determined according to the properties (e.g., volume, precision, etc.) of the objects. In the cleaning process, if the condition that ultrasonic cleaning set for makes mistakes, then cause object itself to receive very big harm easily (if, the object surface is impaired), furthermore, in order to wash a large amount of electronic parts, then ultrasonic cleaning equipment also has the shortcoming that the volume demand is great and produce a large amount of waste liquids, current ultrasonic cleaning equipment occupation space is great simultaneously, place area cost is high, remaining liquid medicine after the washing needs special treatment just can discharge, it causes the extra expense to handle remaining liquid medicine, increase product cost, the workshop environment is poor, cause very big influence to the on-the-spot operating personnel health.
In order to overcome the defects of the ultrasonic cleaning technology, a carbon dioxide cleaning method taking environmental protection as orientation is also available on the market at present, the two-sample carbon cleaning process can remove micro-pore burrs after CNC processing, replace the traditional complex processes such as sand blasting, freezing, chemical cleaning and the like, and has the advantages of non-conductivity, drying, product damage and the like in the carbon dioxide cleaning process.
SUMMERY OF THE UTILITY MODEL
However, on one hand, the mixing ratio of liquid carbon dioxide and air is not uniform, so that dry ice particles after physical reaction are not quickly sprayed out, and the nozzle is blocked after being accumulated; on the other hand, the surface temperature of the object is too low during cleaning by using the existing carbon dioxide cleaning technology, so that moisture or frost is easily generated during cleaning, and the gas pressure required by the existing cleaning technology is large. The utility model provides a novel circular jet structure for an automatic cleaning spray gun for carbon dioxide critical particles, wherein a heat insulation pipe is arranged to ensure that the heat insulation pipe is isolated from the outside temperature, so that the surface of a cleaned product and a device body are frostless and water vapor-free, and simultaneously, a mixture in the spray gun can be rapidly sprayed out through pressurization mixing and a nozzle diameter-changing part based on a Venturi structure principle, so that the problems that dry ice particles after physical reaction are not rapidly sprayed out and the spray nozzle is blocked after being accumulated due to uneven mixing ratio of liquid carbon dioxide and air are avoided.
In summary, the following steps: the utility model can overcome the defects of the traditional spraying structure! And add novel function: the spray points are concentrated, the effective spray coverage point can reach 5-10mm along with the height change, organic matters, impurities and electrostatic particle dust on the surface can be quickly treated, no extra waste gas and waste are generated in the cleaning process, no water vapor or frosting phenomenon exists, and the method is suitable for a semiconductor dry type cleaning mode in a high-end field and replaces a cleaning treatment process before spraying in the automobile field
The utility model provides the following technical scheme:
a novel circular jet structure for an automatic cleaning spray gun for critical carbon dioxide particles comprises a heat preservation pipe, a nozzle, a mixing AIR chamber, an AIR compressed AIR input port, a carbon dioxide input port and a carbon dioxide high-pressure hose, wherein the nozzle is installed in the heat preservation pipe, the mixing AIR chamber is communicated with the nozzle, a connecting seat is installed on the side wall of the mixing AIR chamber, the AIR compressed AIR input port is communicated with the mixing AIR chamber through the connecting seat, the carbon dioxide input port is communicated with the mixing AIR chamber, and the carbon dioxide high-pressure hose is communicated with the carbon dioxide input port; when the circular spraying structure provided by the device is used for cleaning, the carbon dioxide high-pressure hose is externally connected with liquid carbon dioxide input equipment, the AIR compressed AIR input port is externally connected with pressurizing equipment, the compressed AIR enters the mixing AIR chamber through the AIR compressed AIR input port, the liquid carbon dioxide enters the mixing AIR chamber through the carbon dioxide high-pressure hose and the carbon dioxide input port, after the compressed AIR with a certain proportion and the liquid carbon dioxide which is quantitatively output are mixed through the mixing AIR chamber, dry ice particles are naturally formed, the size range of the dry ice particles is 40-190 mu m, the dry ice particles are sprayed out through the nozzle to realize cleaning, the arrangement of the heat preservation pipe ensures that the heat preservation pipe is isolated from the external temperature, the surface of a cleaned product and the device body are frost-free and water-vapor-free, meanwhile, the mixture in the nozzle can be sprayed out through pressurized mixing, and the uneven mixing proportion of the liquid carbon dioxide and the AIR is avoided, the dry ice particles after the physical reaction are not sprayed out quickly, and the nozzle is blocked after being accumulated.
Wherein the heat-insulating pipe, the nozzle and the mixing gas chamber are made of SUS316 stainless steel pipes; the stainless steel material of SUS316 is adopted for manufacturing, the strength of the stainless steel material is ensured under the high-pressure condition, and the service life of the heat-insulating pipe, the nozzle and the mixed gas chamber is prolonged.
The heat insulation pipe comprises a connecting part and a heat insulation variable diameter part, and the nozzle is positioned in the connecting part; through scribbling in the insulating tube outside and being equipped with thermal-insulated coating, further assurance insulating tube is inside isolated with ambient temperature, ensures that nozzle and ambient temperature are isolated.
The nozzle comprises a mounting part and a nozzle variable diameter part, the diameter of the mounting part is equal to the inner diameter of the connecting part, the nozzle variable diameter part is of a truncated cone structure, and the diameter of the end part with the larger diameter of the nozzle variable diameter part is equal to the diameter of the mounting part; the nozzle diameter-variable part arranged in the circular truncated cone structure is convenient for spraying the mixture.
The side wall of the mounting part is provided with a connecting thread, the inner wall of one end of the mixed gas chamber is provided with a matching thread, and the mounting part and the mixed gas chamber are connected under the thread matching of the connecting thread and the matching thread; the connection of the nozzle and the mixing air chamber is facilitated by the matching of the connecting threads and the matching threads.
Wherein the connecting thread is in threaded fit with a limit nut; by means of the threaded fit of the limiting nut and the connecting threads, when the nozzle is installed inside the heat preservation pipe, the nozzle is limited through the limiting nut, and therefore subsequent connection of the mixed air chamber is facilitated.
The utility model has the beneficial effects that: when the circular jet structure provided by the device is used for cleaning, firstly, the carbon dioxide high-pressure hose is externally connected with liquid carbon dioxide input equipment, the AIR compressed AIR input port is externally connected with pressurizing equipment, the nozzle is arranged in the heat preservation pipe, the nozzle is positioned in the connecting part and limited by the limiting nut, the connection between the nozzle and the mixing AIR chamber is facilitated by utilizing the matching of the connecting thread and the matching thread, finally, the AIR compressed AIR input port, the carbon dioxide input port and the mixing AIR chamber are connected, compressed AIR enters the mixing AIR chamber through the AIR compressed AIR input port, liquid carbon dioxide enters the mixing AIR chamber through the carbon dioxide high-pressure hose and the carbon dioxide input port, after the compressed AIR with a certain proportion and the liquid carbon dioxide which is quantitatively output are mixed through the mixing AIR chamber, dry ice particles are naturally formed and are sprayed out through the nozzle, the cleaning is realized, and the heat preservation pipe is arranged to be isolated from the external temperature, through being equipped with in the insulating tube outside and insulating the coating, further assurance insulating tube is inside isolated with ambient temperature, ensure that nozzle and ambient temperature are isolated, it is frostless with the device body to reach to be washd the product surface, no aqueous vapor, the nozzle reducing portion through pressurization mix and round platform shape structure setting is convenient for the mixture blowout simultaneously, can be with the inside mixture blowout of nozzle, it is inhomogeneous to avoid liquid carbon dioxide and air mixing ratio, the dry ice particle that leads to after the physical reaction does not have quick blowout, the problem of jam after nozzle department piles up.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded view of the present invention.
In the figure: 1. a heat-insulating pipe; 100. a connecting portion; 101. a heat-insulating diameter-variable part; 2. a nozzle; 200. an installation part; 201. a nozzle diameter-changing part; 202. connecting threads; 3. a mixing gas chamber; 300. matching threads; 4. an AIR compressed AIR input port; 5. a carbon dioxide input port; 6. a carbon dioxide high pressure hose; 7. a connecting seat; 8. and a limiting nut.
Detailed Description
Referring to fig. 1-2, the present invention provides the following technical solutions: a novel circular jet structure for an automatic cleaning spray gun for critical carbon dioxide particles comprises a heat preservation pipe 1, a nozzle 2, a mixing AIR chamber 3, an AIR compressed AIR input port 4, a carbon dioxide input port 5 and a carbon dioxide high-pressure hose 6, wherein the nozzle 2 is installed in the heat preservation pipe 1, the mixing AIR chamber 3 is communicated with the nozzle 2, a connecting seat 7 is installed on the side wall of the mixing AIR chamber 3, the AIR compressed AIR input port 4 is communicated with the mixing AIR chamber 3 through the connecting seat 7, the carbon dioxide input port 5 is communicated with the mixing AIR chamber 3, and the carbon dioxide high-pressure hose 6 is communicated with the carbon dioxide input port 5; when the circular spraying structure provided by the device is used for cleaning, the carbon dioxide high-pressure hose 6 is externally connected with liquid carbon dioxide input equipment, the AIR compressed AIR input port 4 is externally connected with pressurizing equipment, the compressed AIR enters the mixing AIR chamber 3 through the AIR compressed AIR input port 4, the liquid carbon dioxide enters the mixing AIR chamber 3 through the carbon dioxide high-pressure hose 6 and the carbon dioxide input port 5, the compressed AIR with a certain proportion and the liquid carbon dioxide which is quantitatively output are mixed through the mixing AIR chamber 3 to naturally form dry ice particles, the size range of the dry ice particles is 40-190 mu m, the dry ice particles are sprayed out through the nozzle 2 to realize cleaning, the heat preservation pipe 1 is arranged to ensure that the dry ice particles are isolated from the external temperature, the surface of a cleaned product and the device body are frost-free and water-free, meanwhile, the mixture in the nozzle 2 can be sprayed out through pressurized mixing, and the uneven mixing proportion of the liquid carbon dioxide and the AIR is avoided, the problem that dry ice particles after physical reaction are not quickly sprayed out and a nozzle is blocked after being accumulated is caused;
the heat-insulating pipe 1, the nozzle 2 and the mixing gas chamber 3 are made of SUS316 stainless steel pipes; the stainless steel material of SUS316 is adopted for manufacturing, the strength of the stainless steel material is ensured under the high-pressure condition, and the service lives of the heat preservation pipe 1, the nozzle 2 and the mixing gas chamber 3 are prolonged;
the heat insulation pipe 1 is coated with a heat insulation coating, the heat insulation pipe 1 comprises a connecting part 100 and a heat insulation variable diameter part 101, and the nozzle 2 is positioned in the connecting part 100; the thermal insulation coating is coated outside the thermal insulation pipe 1, so that the internal of the thermal insulation pipe 1 is further ensured to be isolated from the external temperature, and the nozzle 2 is ensured to be isolated from the external temperature;
the nozzle 2 comprises a mounting part 200 and a nozzle variable-diameter part 201, wherein the diameter of the mounting part 200 is equal to the inner diameter of the connecting part 100, the nozzle variable-diameter part 201 is in a truncated cone structure, and the diameter of the end part with the larger diameter of the nozzle variable-diameter part 201 is equal to the diameter of the mounting part 200; the nozzle diameter-variable part 201 arranged in the circular truncated cone structure is convenient for spraying the mixture;
a connecting thread 202 is formed in the side wall of the mounting part 200, a matching thread 300 is formed in the inner wall of one end of the mixing air chamber 3, and the mounting part 200 and the mixing air chamber 3 are connected under the thread matching of the connecting thread 202 and the matching thread 300; the connection of the nozzle 2 and the mixing gas chamber 3 is facilitated by the matching of the connecting threads 202 and the matching threads 300;
the connecting thread 202 is in threaded fit with a limit nut 8; by means of the thread fit of the limit nut 8 and the connecting thread 202, when the nozzle 2 is installed inside the heat preservation pipe 1, the subsequent connection of the mixing air chamber 3 is facilitated through the limit nut 8;
the working principle and the using process of the utility model are as follows:
when in use, when the circular jet structure provided by the device is used for cleaning, firstly, the carbon dioxide high-pressure hose 6 is externally connected with liquid carbon dioxide input equipment, the AIR compressed AIR input port 4 is externally connected with pressurizing equipment, the nozzle 2 is arranged inside the heat preservation pipe 1, the nozzle 2 is positioned in the connecting part 100 and is limited by the limiting nut 8, the connection between the nozzle 2 and the mixing AIR chamber 3 is facilitated by the matching of the connecting thread 202 and the matching thread 300, finally, the AIR compressed AIR input port 4, the carbon dioxide input port 5 and the mixing AIR chamber 3 are connected, the compressed AIR enters the mixing AIR chamber 3 through the AIR compressed AIR input port 4, the liquid carbon dioxide enters the mixing AIR chamber 3 through the carbon dioxide high-pressure hose 6 and the carbon dioxide input port 5, and the compressed AIR with a certain proportion and the liquid carbon dioxide which is quantitatively output are mixed through the mixing AIR chamber 3, natural formation dry ice particle, dry ice particle size scope is between 40~190 mu m, through nozzle 2 blowout, it is clean to realize, insulating tube 1's setting is guaranteed to be isolated with ambient temperature, through being scribbled in insulating tube 1 outside and be equipped with the thermal-insulated coating, further guarantee that insulating tube 1 is inside isolated with ambient temperature, it is isolated with ambient temperature to ensure nozzle 2, reach and to be washd product surface and device body frostless, no aqueous vapor, the nozzle variable diameter portion 201 through pressurization mix and round platform shape structure setting is convenient for the mixture blowout simultaneously, can be with the inside mixture blowout of nozzle 2, it is inhomogeneous to avoid liquid carbon dioxide and air mixing proportion, the dry ice particle after leading to physical reaction does not spout fast, the problem of jam after nozzle department piles up.
Claims (6)
1. The utility model provides a novel automatic clear spray gun of carbon dioxide critical particle is with circular injection structure which characterized in that: including insulating tube, nozzle, AIR mixing chamber, AIR compression input port, carbon dioxide input port and carbon dioxide high pressure hose, the nozzle is installed in the insulating tube, AIR mixing chamber and nozzle intercommunication set up, install the connecting seat on the AIR mixing chamber lateral wall, the AIR compression input port passes through connecting seat and AIR mixing chamber intercommunication, carbon dioxide input port and AIR mixing chamber intercommunication set up, carbon dioxide high pressure hose and carbon dioxide input port intercommunication set up.
2. The circular spraying structure for the novel automatic carbon dioxide critical particle cleaning spray gun according to claim 1, characterized in that: the heat preservation pipe, the nozzle and the mixing air chamber are made of SUS316 stainless steel pipes.
3. The circular spraying structure for the novel automatic cleaning spray gun for the critical carbon dioxide particles as claimed in claim 2, wherein: the gas heat insulation coating is coated outside the heat insulation pipe, the heat insulation pipe comprises a connecting portion and a heat insulation variable diameter portion, and the nozzle is located in the connecting portion.
4. The circular spraying structure for the novel automatic carbon dioxide critical particle cleaning spray gun according to claim 3, characterized in that: the nozzle is including installation department and nozzle variable diameter portion, the diameter of installation department equals the internal diameter of connecting portion, nozzle variable diameter portion is round platform shape structure, the diameter of the great tip of nozzle variable diameter portion diameter equals the diameter of installation department.
5. The circular spraying structure for the novel automatic cleaning spray gun for the critical carbon dioxide particles as claimed in claim 4, wherein: connecting thread has been seted up on the installation department lateral wall, cooperation screw thread has been seted up to air mixing chamber one end inner wall, installation department and air mixing chamber are connected under connecting thread and the screw-thread fit of cooperation screw thread.
6. The circular spraying structure for the novel automatic cleaning spray gun for the critical carbon dioxide particles as claimed in claim 5, wherein: and the connecting thread is in threaded fit with a limit nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122683326.7U CN216936557U (en) | 2021-11-04 | 2021-11-04 | Novel circular injection structure for automatic cleaning spray gun for carbon dioxide critical particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122683326.7U CN216936557U (en) | 2021-11-04 | 2021-11-04 | Novel circular injection structure for automatic cleaning spray gun for carbon dioxide critical particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216936557U true CN216936557U (en) | 2022-07-12 |
Family
ID=82305710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122683326.7U Active CN216936557U (en) | 2021-11-04 | 2021-11-04 | Novel circular injection structure for automatic cleaning spray gun for carbon dioxide critical particles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216936557U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041466A (en) * | 2022-07-20 | 2022-09-13 | 立芯科技(昆山)有限公司 | Dry ice cleaning nozzle and dry ice cleaning machine |
| CN115283369A (en) * | 2022-09-06 | 2022-11-04 | 林峡 | Carbon dioxide state control system and method |
-
2021
- 2021-11-04 CN CN202122683326.7U patent/CN216936557U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041466A (en) * | 2022-07-20 | 2022-09-13 | 立芯科技(昆山)有限公司 | Dry ice cleaning nozzle and dry ice cleaning machine |
| CN115041466B (en) * | 2022-07-20 | 2024-05-28 | 立芯科技(昆山)有限公司 | Dry ice cleaning nozzle and dry ice cleaning machine |
| CN115283369A (en) * | 2022-09-06 | 2022-11-04 | 林峡 | Carbon dioxide state control system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216936557U (en) | Novel circular injection structure for automatic cleaning spray gun for carbon dioxide critical particles | |
| CN206454833U (en) | A kind of anti-blocking atomizer | |
| CN216936558U (en) | Novel carbon dioxide critical particle flat jet structure for automatic cleaning spray gun | |
| CN202097053U (en) | Airflow atomizer | |
| CN201659045U (en) | Atomization spray head | |
| CN201935527U (en) | Quick drying device used after cleaning of silicon chip | |
| CN105126277A (en) | Large-flow compressed air and foam mixing device | |
| CN109318133A (en) | A kind of liquid nitrogen and dry ice mixing deburring nozzle | |
| CN202710264U (en) | Blockage detection and leakage detection test device for high-pressure micro-mist humidification nozzle | |
| CN208750262U (en) | A kind of pipeline anticorrosion water mist cooling apparatus | |
| CN208817505U (en) | A kind of urea pyrolysis furnace equipped with sonic soot blowing device | |
| CN204503392U (en) | For the medicament mixing aerosol spray device of dust treatment | |
| CN201255282Y (en) | Fastening sleeve type rapid sealing device of reducing pipe nozzle | |
| CN111013846A (en) | Auto plastic accessory belt cleaning device | |
| CN212018246U (en) | Denitration spray gun convenient to dismantle | |
| CN2205252Y (en) | Sound speed-supersonic speed combined pneumatic atomizing nozzle | |
| CN207857172U (en) | A kind of novel liquid waste spray gun | |
| CN203355594U (en) | Denitration urea ejector | |
| CN207641682U (en) | A kind of pipeline disinfection air knife nozzle | |
| CN209379239U (en) | A kind of automated spray is gone out the water mist spraying head of dirt | |
| CN206114491U (en) | White automobile body accelerated corrosion test cabin atomizing device of system | |
| CN216728673U (en) | Device for efficiently cleaning triethyl aluminum storage tank | |
| CN220642996U (en) | Online atomizing sulfur removal device | |
| CN219850218U (en) | High-flow high-pressure nozzle for cleaning of cleaning machine | |
| CN216726422U (en) | Reduce atomising head of raise dust and atomizer thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |