CN216802088U - Novel laser nozzle - Google Patents
Novel laser nozzle Download PDFInfo
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- CN216802088U CN216802088U CN202123420748.1U CN202123420748U CN216802088U CN 216802088 U CN216802088 U CN 216802088U CN 202123420748 U CN202123420748 U CN 202123420748U CN 216802088 U CN216802088 U CN 216802088U
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- inlet channel
- air inlet
- nozzle
- nozzle body
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Abstract
The utility model discloses a novel laser nozzle which comprises a nozzle main body (2), wherein the nozzle main body (2) is of a conical body structure which is provided with an upper end surface (202) and a lower end surface (204) and is wide at the upper part and narrow at the lower part, the nozzle main body (2) comprises a main air inlet channel (4) and at least one auxiliary air inlet channel (6) which are arranged on the axis of the nozzle main body, an air inlet of the main air inlet channel (4) is positioned on the upper end surface (202), an air outlet of the main air inlet channel is positioned on the lower end surface (204), one end of the auxiliary air inlet channel (6) is communicated with the main air inlet channel (4), and the other end of the auxiliary air inlet channel is arranged on the surface of the nozzle main body (2). According to the utility model, the main air inlet channel (4) and the auxiliary air inlet channel (6) communicated with the main air inlet channel (4) are arranged on the nozzle main body (2), the main air inlet channel (4) participates in laser cutting, the auxiliary air inlet channel (6) supplements ambient oxygen, air brought by negative pressure brought by an air outlet of the main air inlet channel (4) is reduced, and the problems in the prior art are solved.
Description
Technical Field
The utility model relates to a novel laser nozzle.
Background
With the development of laser technology, lasers are widely applied to various industries, and the application of auxiliary gas is very important in the laser metal cutting field which is most widely applied at present. According to the needs of the process, the laser and various auxiliary gases are mutually matched in various ways to effectively improve the metal cutting effect, particularly in the aspect of thick plate cutting, stable high-pressure auxiliary gas is a main cutting auxiliary element for improving the cutting speed and the cutting effect, and different air flow effects can be generated by the design of different nozzles under the same air supply condition.
The traditional laser cutting nozzle adopts a smooth direct-current or oblique-current inner wall for air injection, and the nozzle with the structure has the following defects:
(1) high-power laser mostly adopts a small-aperture nozzle for cutting, so that the problem of insufficient oxygen supply can be caused, and the increase of the aperture can cause the rough cutting surface;
(2) because the aperture of the air jet is small and the pressure is high, negative pressure is generated around the air jet, air is brought in, and the oxidation reaction is influenced
To this end, the applicant has sought, through useful research and research, a solution to the above-mentioned problems, in the context of which the technical solutions to be described below have been made.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a novel pressurizing nozzle structure for laser cutting, which can increase oxygen supply, accelerate oxidation effect and improve cutting quality and speed.
In order to solve the above problems, the present invention provides a novel laser nozzle, which is characterized by comprising a nozzle main body, wherein the nozzle main body is a cone structure having an upper end surface, a lower end surface, a wide upper end and a narrow lower end, the nozzle main body comprises a main air inlet channel and at least one auxiliary air inlet channel, the main air inlet channel is arranged on an axis of the nozzle main body, an air inlet of the main air inlet channel is arranged on the upper end surface, an air outlet of the main air inlet channel is arranged on the lower end surface, one end of the auxiliary air inlet channel is communicated with the main air inlet channel, and the other end of the auxiliary air inlet channel is arranged on the surface of the nozzle main body.
As a further improvement of the present invention, the upper end surface of the nozzle body is further provided with a connecting portion having a cylindrical structure, the connecting portion having a through hole penetrating through upper and lower surfaces thereof, the through hole communicating with the main intake passage.
As a further improvement of the present invention, one end opening of the auxiliary air intake passage is located on the tapered surface of the nozzle body.
As a further improvement of the utility model, the eight auxiliary air inlet channels are uniformly arranged along the circumferential direction of the nozzle main body conical body structure.
As a further improvement of the utility model, the outer cylinder surface of the connecting part is provided with an external thread, and the connecting part is arranged at the light outlet of the laser cutting head through the external thread.
As a further improvement of the utility model, a coaxial annular surface of the nozzle body is arranged between the conical arc surface of the nozzle body and the upper end surface of the nozzle body, and knurl vertical grains for increasing screwing friction force are densely distributed on the annular surface at intervals in the circumferential direction.
The nozzle has the advantages that the main air inlet channel and the auxiliary air inlet channel communicated with the main air inlet channel are arranged on the nozzle main body, the main air inlet channel participates in laser cutting, the auxiliary air inlet channel supplies oxygen around, air brought by negative pressure brought by the air outlet of the main air inlet channel is reduced, and the problems in the prior art are solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
in the figure: 2-a nozzle body; 202-upper end face; 204-lower end face; 206-an annular face; 4-a main intake passage; 6-auxiliary air inlet channel.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, the present invention includes a nozzle body 2, the nozzle body 2 is a cone structure having an upper end surface 204 and a lower end surface 204, the upper end surface is wide, the lower end surface is narrow, the nozzle body 2 includes a main air inlet channel 4 and at least one auxiliary air inlet channel 6, the main air inlet channel 4 has an air inlet on the upper end surface 202, the lower end surface 204 has an air outlet, and the auxiliary air inlet channel 6 has one end communicating with the main air inlet channel 4 and the other end disposed on the surface of the nozzle body 2.
As a further improvement of the present invention, the upper end surface 202 of the nozzle body 2 is further provided with a connecting portion having a cylindrical structure, the connecting portion having through holes penetrating through upper and lower surfaces thereof, the through holes communicating with the main intake passage 4.
As a further improvement of the present invention, one end opening of the auxiliary air intake passage 6 is located on the tapered surface of the nozzle body 2.
As a further improvement of the present invention, eight auxiliary air inlet passages 6 are provided and are uniformly arranged along the circumferential direction of the conical structure of the nozzle body 2.
As a further improvement of the utility model, the outer cylinder surface of the connecting part is provided with an external thread, and the connecting part is arranged at the light outlet of the laser cutting head through the external thread.
As a further improvement of the utility model, a coaxial annular surface 206 of the nozzle body is arranged between the conical arc surface of the nozzle body and the upper end surface 202 of the nozzle body, and knurling vertical grains for increasing screwing friction force are densely distributed on the annular surface 206 at intervals in the circumferential direction.
According to the utility model, the nozzle main body 2 is provided with the main air inlet channel 4 and the eight auxiliary air inlet channels 6 communicated with the main air inlet channel 4, the main air inlet channel 4 participates in laser cutting, and the auxiliary air inlet channels 6 complement ambient oxygen, so that air brought by negative pressure brought by the air outlet of the main air inlet channel 4 is reduced.
A cylindrical connecting part is additionally arranged and is connected to the laser cutting head through threads outside the connecting part.
The annular surface 206 of the nozzle body 2 of the present invention is also provided with knurled vertical lines to improve the screwing friction.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (6)
1. The utility model provides a novel laser nozzle, its characterized in that, includes nozzle body (2), nozzle body (2) is for having upper and lower terminal surface (202, 204) and narrow cone structure down of upper width, nozzle body (2) is including setting up main inlet channel (4) and at least one supplementary inlet channel (6) on its axis, the air inlet of main inlet channel (4) is located on upper end surface (202), the gas outlet is located on terminal surface (204) down, supplementary inlet channel (6) one end with main inlet channel (4) intercommunication, the other end sets up the surface of nozzle body (2).
2. A novel laser nozzle as claimed in claim 1, characterized in that the upper end face (202) of the nozzle body (2) is further provided with a connecting part (3) of cylindrical structure, the connecting part (3) having a through hole penetrating its upper and lower surfaces, the through hole communicating with the main air intake channel (4).
3. A new laser nozzle according to claim 2, characterized in that the auxiliary gas inlet channel (6) opens at one end onto the conical surface of the nozzle body (2).
4. A novel laser nozzle as claimed in claim 3, characterised in that the auxiliary gas inlet channels (6) are provided in eight and uniformly arranged in the circumferential direction of the conical structure of the nozzle body (2).
5. The novel laser nozzle as claimed in claim 4, characterized in that the outer cylindrical surface of the connecting part (3) is provided with an external thread, through which the connecting part (3) is mounted at the light exit of the laser cutting head.
6. The novel laser nozzle as claimed in claim 5, characterized in that a coaxial annular surface (206) of the nozzle body (2) is arranged between the conical arc surface of the nozzle body (2) and the upper end surface (202), and the annular surface (206) is densely provided with knurls and vertical lines at intervals in the circumferential direction for increasing the screwing friction force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123420748.1U CN216802088U (en) | 2021-12-30 | 2021-12-30 | Novel laser nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123420748.1U CN216802088U (en) | 2021-12-30 | 2021-12-30 | Novel laser nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216802088U true CN216802088U (en) | 2022-06-24 |
Family
ID=82062162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123420748.1U Active CN216802088U (en) | 2021-12-30 | 2021-12-30 | Novel laser nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216802088U (en) |
-
2021
- 2021-12-30 CN CN202123420748.1U patent/CN216802088U/en active Active
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