CN219421136U - Low-temperature plasma spray gun structure - Google Patents
Low-temperature plasma spray gun structure Download PDFInfo
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- CN219421136U CN219421136U CN202320596411.6U CN202320596411U CN219421136U CN 219421136 U CN219421136 U CN 219421136U CN 202320596411 U CN202320596411 U CN 202320596411U CN 219421136 U CN219421136 U CN 219421136U
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Abstract
The utility model relates to the technical field of plasma spray guns, in particular to a low-temperature plasma spray gun structure which comprises a stainless steel nozzle, a stainless steel direct spray rod, a brass copper core, a ceramic insulating piece, a stainless steel connecting piece, a pipe sleeve, a stainless steel hexagonal transfer nut, a stainless steel spring rod and a stainless steel spring nut, wherein the first end of the stainless steel direct spray rod is fixed with the stainless steel nozzle, the second end of the stainless steel direct spray rod is fixed with the first end of the stainless steel connecting piece, a discharge cavity is formed among the stainless steel nozzle, the stainless steel direct spray rod and the stainless steel connecting piece, the brass copper core and the ceramic insulating piece are arranged in the discharge cavity, the first end of the ceramic insulating piece is fixed with the brass copper core, the second end of the ceramic insulating piece is fixed with the first end of the stainless steel connecting piece, the pipe sleeve is arranged in the stainless steel connecting piece, the second end of the stainless steel connecting piece is fixed with the stainless steel hexagonal transfer nut, and the first end of the stainless steel spring rod is fixed with the stainless steel hexagonal transfer nut, and the second end of the stainless steel spring rod is fixed with the stainless steel spring nut.
Description
Technical Field
The utility model relates to the technical field of plasma spray guns, in particular to a low-temperature plasma spray gun structure, and especially relates to a spray gun structure for plasma surface treatment in a normal pressure state.
Background
The energy of particles in low-temperature plasmas is generally about several to tens of electron volts, which is larger than the bonding bond energy (several to tens of electron volts) of polymer materials, so that chemical bonds of organic macromolecules can be completely broken to form new bonds, but the energy is far lower than that of high-energy radioactive rays, only the surfaces of materials are involved, the performance of a matrix is not affected, alternating-current high-frequency high-voltage is applied to two ends of an electrode, air between the two electrodes generates gas arc discharge to form a plasma region, and the plasmas reach the surface of an object to be processed under the blowing of air flow to realize the purpose of modifying the 3D surface.
The existing plasma spray gun has the following defects: 1) The nozzle is easy to be damaged by the high temperature of the plasma after long-time use; 2) The flame spraying fluency of the spray gun is reduced along with the time abrasion, and the spray nozzle is easy to abrade to cause flame spraying deformation; 3) The insulating connector is easy to burn through and burn out.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a low-temperature plasma spray gun structure, wherein a stainless steel material is adopted for a spray nozzle, a ceramic insulating part is adopted for an insulating connecting piece, and a gun body is fixed by threaded connection, so that the stable output performance, the safety and the reliability and the durability of a product of the plasma spray gun can be improved, and the flame spraying fluency of the spray gun is ensured.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a low temperature plasma spray gun structure, including the stainless steel nozzle, the direct-injection stainless steel pole, the brass copper core, ceramic insulator, stainless steel connecting piece, the pipe box, stainless steel hexagonal transfer nut, stainless steel spring pole and stainless steel spring nut, the first end of direct-injection stainless steel pole is fixed with the stainless steel nozzle, the second end of direct-injection stainless steel pole is fixed with the first end of stainless steel connecting piece, be formed with the cavity that discharges between stainless steel nozzle, direct-injection stainless steel pole and the stainless steel connecting piece, in the cavity is located to brass copper core and ceramic insulator, ceramic insulator's first end is fixed with brass copper core, ceramic insulator's second end is fixed with the first end of stainless steel connecting piece, the pipe box is located in the stainless steel connecting piece, stainless steel connecting piece's second end is fixed with stainless steel hexagonal transfer nut, stainless steel spring pole's first end is fixed with stainless steel hexagonal transfer nut, stainless steel spring pole's second end is fixed with stainless steel spring nut.
According to the scheme, one end of the stainless steel nozzle, which is close to the stainless steel direct injection rod, is provided with the first external thread, and one end of the stainless steel direct injection rod, which is close to the stainless steel nozzle, is provided with the first internal thread which is fixedly connected with the first external thread in a matched threaded manner.
According to the scheme, one end of the stainless steel direct injection rod, which is close to the stainless steel connecting piece, is provided with the second internal thread, and one end of the stainless steel connecting piece, which is close to the stainless steel direct injection rod, is provided with the second external thread which is fixedly connected with the second internal thread in a matched threaded manner.
According to the scheme, one end of the brass core, which is close to the ceramic insulating piece, is provided with the third external thread, and one end of the ceramic insulating piece, which is close to the brass core, is provided with the third internal thread which is fixedly connected with the third external thread in a matched threaded manner.
According to the scheme, one end of the ceramic insulating piece, which is close to the stainless steel connecting piece, is provided with the fourth external thread, and one end of the stainless steel connecting piece, which is close to the ceramic insulating piece, is provided with the fourth internal thread which is fixedly connected with the fourth external thread in a matched threaded manner.
According to the scheme, one end of the stainless steel connecting piece, which is close to the stainless steel hexagonal adapting nut, is provided with a fifth external thread which is fixedly connected with the stainless steel hexagonal adapting nut in a matched threaded manner.
According to the scheme, the pipe sleeve is externally connected with the air pipe, the brass copper core is provided with the air outlet communicated with the air pipe, and the brass copper core is externally connected with the lead.
The utility model has the beneficial effects that:
1) The nozzle is made of Sus304 material, can not be damaged by high temperature of plasma after long-time use, and can not be abraded to cause flame spraying deformation;
2) The electrode adopts a brass copper core, so that the electrode has strong conductivity;
3) The insulating connecting piece adopts a ceramic insulating piece, has strong insulativity, and the ceramic insulating piece cannot be burnt out;
4) The whole gun body is fixed by adopting threaded connection, the assembly and the disassembly are convenient, the stable output performance and the safety of the plasma spray gun and the reliability and the durability of a product can be improved, and the smooth performance of the spray gun in spraying fire can be ensured.
Drawings
FIG. 1 is a general block diagram of the present utility model;
FIG. 2 is an exploded view of the overall structure of the present utility model;
fig. 3 is a perspective view of the overall structure of the present utility model.
In the figure: 1. stainless steel nozzle; 2. stainless steel direct injection rod; 3. a brass copper core; 4. a ceramic insulator; 5. stainless steel connectors; 6. a pipe sleeve; 7. stainless steel hexagonal adapter nut; 8. stainless steel spring nuts; 9. stainless steel spring rod.
Detailed Description
The technical scheme of the utility model is described below with reference to the accompanying drawings and examples.
As shown in fig. 1 to 3, the low temperature plasma spray gun structure of the utility model comprises a stainless steel spray nozzle 1, a stainless steel direct spray rod 2, a brass copper core 3, a ceramic insulator 4, a stainless steel connector 5, a pipe sleeve 6, a stainless steel hexagonal transfer nut 7, a stainless steel spring rod 8 and a stainless steel spring nut 9, wherein a first end of the stainless steel direct spray rod 2 is fixed with the stainless steel spray nozzle 1, a second end of the stainless steel direct spray rod 2 is fixed with a first end of the stainless steel connector 5, a discharge cavity is formed between the stainless steel spray nozzle 1, the stainless steel direct spray rod 2 and the stainless steel connector 5, the brass copper core 3 and the ceramic insulator 4 are arranged in the discharge cavity, the first end of the ceramic insulator 4 is fixed with the brass copper core 3, the second end of the ceramic insulator 4 is fixed with a first end of the stainless steel connector 5, the pipe sleeve 6 is arranged in the stainless steel connector 5, the second end of the stainless steel connector 5 is fixed with the stainless steel hexagonal transfer nut 7, and the stainless steel spring nut 8 is fixed with a second end of the stainless steel spring nut 7, and the stainless steel spring nut 8 is fixed with the second end of the stainless steel spring nut 9. The above constitutes the basic structure of the present utility model.
The utility model adopts the structure arrangement, the low-temperature plasma spray gun is formed by matching, connecting and fixing a stainless steel nozzle 1, a stainless steel direct spray rod 2, a brass copper core 3, a ceramic insulator 4, a stainless steel connecting piece 5, a pipe sleeve 6, a stainless steel hexagonal adapter nut 7, a stainless steel spring rod 8 and a stainless steel spring nut 9, and when the low-temperature plasma spray gun works, alternating-current high-frequency high voltage is applied to an electrode (the brass copper core 3), so that air in a discharge cavity generates gas arc discharge to form a plasma region, and plasma reaches the surface of an object to be treated under the blowing of air flow to realize the purpose of modifying the 3D surface.
In practical application, during the equipment, the first end of stainless steel spring rod 8 and pipe box 6 all lock fixedly through stainless steel hexagonal adapter nut 7.
The stainless steel nozzle 1, the stainless steel direct spray rod 2, the stainless steel connecting piece 5, the stainless steel hexagonal adapter nut 7, the stainless steel spring rod 8 and the stainless steel spring nut 9 of the low-temperature plasma spray gun are all Sus304, namely the stainless steel nozzle 1 cannot be damaged by high temperature of plasma, and cannot be worn to cause flame spraying deformation; the electrode adopts a brass copper core 3, so that the electrode has strong conductivity; the insulating connecting piece adopts the ceramic insulating piece 4, has strong insulativity, and the ceramic insulating piece 4 cannot be burnt out; that is, compared with the prior art spray gun structure, the low-temperature plasma spray gun structure has strong conductivity and insulativity, avoids the burning out of an insulating part caused by the conductive overheat of an electrode (the brass core 3), and improves the durability of the structure.
In this embodiment, a first external thread is disposed at one end of the stainless steel nozzle 1 close to the stainless steel direct injection rod 2, and a first internal thread fixed in threaded connection with the first external thread is disposed at one end of the stainless steel direct injection rod 2 close to the stainless steel nozzle 1. The mode of threaded connection and fixation is adopted, the assembly and the disassembly are convenient, the stable output performance and the safety of the plasma spray gun and the reliability and the durability of products can be improved, and the flame spraying fluency of the spray gun is ensured.
In this embodiment, a second internal thread is disposed at one end of the stainless steel direct injection rod 2 near the stainless steel connecting piece 5, and a second external thread fixed in threaded connection with the second internal thread is disposed at one end of the stainless steel connecting piece 5 near the stainless steel direct injection rod 2. The plasma spray gun is fixed by adopting threaded connection, is convenient to assemble and disassemble, can improve the stable output performance and the safety of the plasma spray gun and the reliability of products, and ensures the smooth performance of flame spraying of the spray gun.
In this embodiment, a third external thread is disposed at one end of the brass core 3 near the ceramic insulator 4, and a third internal thread fixed to the third external thread in a threaded connection manner is disposed at one end of the ceramic insulator 4 near the brass core 3. The plasma spray gun is fixed by adopting threaded connection, is convenient to assemble and disassemble, can improve the stable output performance and the safety of the plasma spray gun and the reliability of products, and ensures the smooth performance of flame spraying of the spray gun.
In this embodiment, a fourth external thread is disposed at an end of the ceramic insulating member 4 adjacent to the stainless steel connecting member 5, and a fourth internal thread fixed to the fourth external thread in a threaded connection manner is disposed at an end of the stainless steel connecting member 5 adjacent to the ceramic insulating member 4. The plasma spray gun is fixed by adopting threaded connection, is convenient to assemble and disassemble, can improve the stable output performance and the safety of the plasma spray gun and the reliability and durability of a product in a reliable mode, and ensures the flame spraying fluency of the spray gun.
In this embodiment, a fifth external thread is provided at one end of the stainless steel connector 5 near the stainless steel hexagonal adapting nut 7, and the fifth external thread is fixed in a threaded connection with the stainless steel hexagonal adapting nut 7. The mode of threaded connection and fixation is adopted, the assembly and the disassembly are convenient, the stable output performance and the safety of the plasma spray gun and the reliability and the durability of products can be improved, and the flame spraying fluency of the spray gun is ensured.
In this embodiment, the pipe sleeve 6 is externally connected with an air pipe, the brass core 3 is provided with an air outlet communicated with the air pipe, and the brass core 3 is externally connected with a wire.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are all within the scope of the present utility model.
Claims (7)
1. A low temperature plasma spray gun structure, characterized in that: including stainless steel nozzle (1), stainless steel directly spouts pole (2), brass core (3), ceramic insulator (4), stainless steel connecting piece (5), pipe box (6), stainless steel hexagonal switching nut (7), stainless steel spring rod (8) and stainless steel spring nut (9), the first end of stainless steel directly spouts pole (2) is fixed with stainless steel nozzle (1), the second end of stainless steel directly spouts pole (2) is fixed with the first end of stainless steel connecting piece (5), be formed with the cavity that discharges between stainless steel nozzle (1), stainless steel directly spouts pole (2) and stainless steel connecting piece (5), in the cavity that discharges is located to brass core (3) and ceramic insulator (4), the first end and the brass core (3) of ceramic insulator (4) are fixed, the second end and the first end of stainless steel connecting piece pipe box (5) of stainless steel insulating piece (4), the second end and stainless steel spring nut (8) are located in stainless steel nozzle (1), stainless steel connecting piece (6), stainless steel connecting piece (7) and stainless steel spring nut (8) are fixed with the stainless steel hexagonal switching nut (7).
2. A cryopump volume as claimed in claim 1 wherein: the stainless steel direct injection nozzle is characterized in that a first external thread is arranged at one end, close to the stainless steel direct injection rod (2), of the stainless steel nozzle (1), and a first internal thread which is fixedly connected with the first external thread in a matched threaded manner is arranged at one end, close to the stainless steel nozzle (1), of the stainless steel direct injection rod (2).
3. A cryopump volume as claimed in claim 1 wherein: the stainless steel direct injection rod (2) is provided with a second internal thread at one end close to the stainless steel connecting piece (5), and a second external thread which is fixedly connected with the second internal thread in a matched threaded manner is arranged at one end of the stainless steel connecting piece (5) close to the stainless steel direct injection rod (2).
4. A cryopump volume as claimed in claim 1 wherein: the one end that brass core (3) is close to ceramic insulator (4) is equipped with the third external screw thread, the one end that ceramic insulator (4) is close to brass core (3) be equipped with the fixed third internal screw thread of third external screw thread cooperation threaded connection.
5. A cryopump volume as claimed in claim 1 wherein: the ceramic insulator (4) is close to the one end of stainless steel connecting piece (5) and is equipped with the fourth external screw thread, the one end that stainless steel connecting piece (5) is close to ceramic insulator (4) is equipped with the fourth internal screw thread that is fixed with fourth external screw thread cooperation threaded connection.
6. A cryopump volume as claimed in claim 1 wherein: one end of the stainless steel connecting piece (5) close to the stainless steel hexagonal adapting nut (7) is provided with a fifth external thread which is fixedly connected with the stainless steel hexagonal adapting nut (7) in a matched threaded manner.
7. A cryopump volume as claimed in claim 1 wherein: the pipe sleeve (6) is externally connected with an air pipe, the brass copper core (3) is provided with an air outlet communicated with the air pipe, and the brass copper core (3) is externally connected with a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320596411.6U CN219421136U (en) | 2023-03-24 | 2023-03-24 | Low-temperature plasma spray gun structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320596411.6U CN219421136U (en) | 2023-03-24 | 2023-03-24 | Low-temperature plasma spray gun structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219421136U true CN219421136U (en) | 2023-07-25 |
Family
ID=87208037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320596411.6U Active CN219421136U (en) | 2023-03-24 | 2023-03-24 | Low-temperature plasma spray gun structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219421136U (en) |
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2023
- 2023-03-24 CN CN202320596411.6U patent/CN219421136U/en active Active
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