CN214443909U - High-power cutting head gas circuit structure - Google Patents
High-power cutting head gas circuit structure Download PDFInfo
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- CN214443909U CN214443909U CN202022981184.8U CN202022981184U CN214443909U CN 214443909 U CN214443909 U CN 214443909U CN 202022981184 U CN202022981184 U CN 202022981184U CN 214443909 U CN214443909 U CN 214443909U
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Abstract
The utility model discloses a high power cutting head gas circuit structure, this kind of high power cutting head gas circuit structure includes the protective glass seat, the protective glass seat of honour, the protective glass drawer seat, the protective glass piece, compress tightly the steel ring, general stopper seals, the ring of keeping out the wind, the gas nozzle mouth, trachea joint and focus nozzle subassembly, protective glass drawer seat can be equipped with in protective glass seat and protective glass seat of honour junction reservation direction space, the protective glass piece is fixed on protective glass drawer seat through compressing tightly the steel ring and general stopper seals, the ring of keeping out the wind is installed in the round hole department of protective glass seat, the connecting portion lateral surface of ring of keeping out the wind forms the gas collecting ring with the round hole of protective glass seat, the array is provided with the gas passing hole on the rectifying part of ring, the gas passing hole communicates with each other with the gas collecting ring, install the mouth of ventilating mutually with the gas collecting ring on the protective glass seat, install the trachea joint on the gas nozzle mouth, focus nozzle subassembly is installed to protective glass seat lower extreme. In this way, the utility model discloses can carry out the rectification to the cutting gas, can improve the air current distribution homogeneity, reduce turbulence intensity.
Description
Technical Field
The utility model relates to a laser cutting technical field especially relates to a high power cutting head gas circuit structure.
Background
Laser cutting is to irradiate workpiece with focused high-power-density laser beam to melt, vaporize and ablate the irradiated material or reach burning point, and blow off the molten material with the help of high-speed airflow coaxial with the beam, so as to realize cutting off the workpiece, and the quality of the high-speed airflow has great influence on the cutting quality.
In the process of cutting thick plates by laser, the most important standard for measuring the cutting quality is the surface roughness and the verticality of the cut sections of the thick plates, the cutting air flow is one of the most important factors influencing the quality of the cut sections of the thick plates, wherein the design of the cutting gas circuit will seriously affect the gas turbulence distribution, the light path transmission and the lens protection performance, when laser light propagates in turbulent flow, the fluctuation of gas refractive index caused by turbulent flow can cause the distortion of laser wave front, destroy the coherence of laser, the deterioration of laser coherence can seriously weaken the optical quality of laser, cause the random drift of light, the redistribution of laser energy on the beam section, including the phenomena of distortion, widening, fragmentation and the like, in the laser thick plate processing, the processing quality of the workpiece is seriously influenced by the quality of the laser beam, and the quality of the beam which is not ideal causes the cutting opacity, the cutting efficiency low or the quality of the cutting section to be reduced.
At present, the gas transmission mode of traditional cutting head on the market is that the gas that directly passes to interior cavity with highly compressed gas through the air flue from the outside, and there is the protective glass on upper portion, and all gas just can only follow lower extreme cutting nozzle department blowout, and this kind of mode air current of blowing can be in disorder in inside, and disorder is unordered, and is not obvious to the influence of low power cutting sheet metal, but will lead to cutting effect not good because of unstable air current during high power cutting thick plate, and the cutting plane is coarse.
Therefore, in order to overcome the above drawbacks of the prior art, the present invention provides a high power cutting head gas path structure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a high power cutting head gas circuit structure, can carry out the rectification to cutting gas, and cutting gas passes through the rectification, can improve the air current distribution homogeneity, reduce turbulence intensity to reduce the influence of aerodynamic optical benefit to laser light path, guarantee light beam quality stability, reduce the processing surface roughness, improve the cutting line and hang down straightness, thereby improve the cutting quality.
In order to solve the technical problem, the utility model discloses a technical scheme be: the high-power cutting head gas circuit structure comprises a protective lens seat, a protective lens upper seat, a protective lens drawer seat, a protective lens, a pressing steel ring, a universal plug seal, a wind shielding ring, a gas nozzle opening, a gas pipe joint and a focusing nozzle assembly, wherein the protective lens upper seat is installed on the protective lens seat, a guide space is reserved at the joint of the protective lens seat and the protective lens upper seat, the protective lens drawer seat can be inserted and installed at the guide space, the protective lens is fixed on the protective lens drawer seat through the pressing steel ring and the universal plug seal, the wind shielding ring is embedded and installed at a round hole of the protective lens seat through a screw, an inner passing channel is axially arranged on the wind shielding ring, the wind shielding ring comprises an installation part, a connection part and a rectifying part which are sequentially connected, the outer side surface of the connection part and the round hole of the protective lens seat form a gas collecting ring, the gas collecting ring on the rectifying part is provided with gas passing holes, and the gas passing holes are communicated with the gas passing ring, an air inlet channel communicated with the air collecting ring is transversely arranged on the protective lens base, an air nozzle opening communicated with the air inlet channel is arranged on the protective lens base outside the air inlet channel, an air pipe connector is arranged on the air nozzle opening, and a focusing nozzle assembly is arranged at the lower end of the protective lens base.
Preferably, the installation part is provided with an installation hole, the upper end face of the installation part is tightly attached to the bottom face of the protective mirror seat, the upper part and the lower part of the connection part are tightly attached to the inner wall of the round hole of the protective mirror seat, and the outer wall of the connection part is provided with an annular groove.
Preferably, the focusing nozzle assembly comprises a cushion block, a partition plate, a nozzle seat, a slag blocking plate, a capacitor head, a locking ring, a ceramic body, a lower locking ring and a small nozzle, screws sequentially penetrate through the nozzle seat, the partition plate and the cushion block and then are screwed into the lower end of the protective mirror seat, the slag blocking plate blocking the screws is installed at the lower end of an installation part of the nozzle seat, the capacitor head is installed on the nozzle seat in an inserting manner, the locking ring is installed outside the joint of the nozzle seat and the capacitor head, the ceramic body is installed at the lower end of the capacitor head in an inserting manner, the lower locking ring is installed outside the joint of the capacitor head and the ceramic body, the small nozzle is connected to the lower end of the ceramic body in a threaded manner, and the cushion block, the partition plate, the nozzle seat, the slag blocking plate, the capacitor head, the ceramic body and the small nozzle are sequentially provided with focusing injection holes with decreasing shaft diameters.
Preferably, the air pipe joint, the air nozzle opening, the air inlet channel, the air collecting ring, the air passing hole, the inner channel and the focusing jet hole form a cutting air guide rectification cavity, and all connecting machining parts of the cutting air guide rectification cavity are sealed by sealing rings, so that the sealing performance of the whole cavity is ensured.
Preferably, the air path structure of the high-power cutting head further comprises a wind shield, a lower protective glass front cover plate and a knurled screw, wherein the lower protective glass front cover plate is packaged at an opening of the protective glass seat and the protective glass upper seat, which is reserved with a guide space, the knurled screw penetrates through the lower protective glass front cover plate and then is screwed into the protective glass upper seat, and the wind shield is arranged at the opening of the lower protective glass front cover plate and the guide space.
Compared with the prior art, the beneficial effects of the utility model are that:
the structure of the wind shielding ring enables the cutting head gas path structure to rectify cutting gas, the cutting gas can improve the distribution uniformity of gas flow and reduce the intensity of turbulence through rectification, thereby reducing the influence of pneumatic optical benefits on a laser light path, ensuring the quality stability of light beams, reducing the roughness of a processing surface, improving the verticality of cutting lines and improving the cutting quality.
Drawings
FIG. 1 is a cross-sectional view of a high power cutting head gas path structure.
Fig. 2 is an exploded view of a portion of the structure of an air passage structure of a high-power cutting head.
Fig. 3 is a schematic view of a wind-blocking ring structure of a gas path structure of a high-power cutting head.
Fig. 4 is a schematic diagram showing a simulation of a gas flow line of a gas path structure of a high-power cutting head.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make clear and definite definitions of the protection scope of the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention includes:
a high-power cutting head gas circuit structure comprises a protective lens base 1, a protective lens upper base 2, a protective lens drawer base 3, a protective lens 4, a compression steel ring 5, a universal plug seal 6, a wind blocking ring 7, a gas nozzle port 8, a gas pipe joint 9 and a focusing nozzle assembly 10, wherein the protective lens upper base 2 is installed on the protective lens base 1, a guide space is reserved at the joint of the protective lens base 1 and the protective lens upper base 2, the protective lens drawer base 3 can be inserted and installed at the guide space, the protective lens 4 is fixed on the protective lens drawer base 3 through the compression steel ring 5 and the universal plug seal 6, the wind blocking ring 7 is embedded and installed at a round hole of the protective lens base 1 through screws, an inner crossing channel 70 is axially arranged on the wind blocking ring 7, the wind blocking ring 7 comprises an installation part 71, a connection part 72 and a rectification part 73 which are sequentially connected, the outer side surface of the connection part 72 and the round hole of the protective lens base 1 form a gas collecting ring 720, air holes 730 are formed in the rectifying portion 73 in an array mode, the air holes 730 are communicated with the air collecting ring 720, an air inlet channel communicated with the air collecting ring 720 is transversely formed in the protective lens base 1, an air nozzle opening 8 communicated with the air inlet channel is formed in the protective lens base 1 on the outer side of the air inlet channel, an air pipe connector 9 is installed on the air nozzle opening 8, and a focusing nozzle assembly 10 is installed at the lower end of the protective lens base 1.
The mounting portion 71 is provided with a mounting hole, the upper end face of the mounting portion 71 is tightly attached to the bottom face of the protective mirror base 1, the upper portion and the lower portion of the connecting portion 72 are tightly attached to the inner wall of the circular hole of the protective mirror base 1, and the outer wall of the connecting portion 72 is provided with an annular groove.
The focusing nozzle assembly 10 comprises a cushion block 101, a partition plate 102, a nozzle seat 103, a slag baffle 104, a capacitor head 105, a locking ring 106, a ceramic body 107, a lower locking ring 108 and a small nozzle 109, wherein screws sequentially penetrate through the nozzle seat 103, the partition plate 102 and the cushion block 101 and then are screwed into the lower end of the protective lens seat 1, the slag baffle 104 for blocking the screws is installed at the lower end of an installation part of the nozzle seat 103, the capacitor head 105 is installed on the nozzle seat 103 in an inserting mode, the locking ring 106 is installed outside the joint of the nozzle seat 103 and the capacitor head 105, the ceramic body 107 is installed at the lower end of the capacitor head 105, the lower locking ring 108 is installed outside the joint of the capacitor head 105 and the ceramic body 107, the small nozzle 109 is connected to the lower end of the ceramic body 107 through threads, and the cushion block 101, the partition plate 102, the nozzle seat 103, the slag baffle 104, the capacitor head 105, the ceramic body 107 and the small nozzle 109 are sequentially provided with focusing injection holes 100 with decreasing axial diameters.
The cutting gas guide rectification cavity is formed by the gas pipe connector 9, the gas nozzle opening 8, the gas inlet channel, the gas collecting ring 720, the gas passing hole 730, the inner passing channel 70 and the focusing injection hole 100, all connecting parts of the cutting gas guide rectification cavity are sealed by the sealing rings 11, and the sealing performance of the whole cavity is guaranteed.
The high-power cutting head gas path structure further comprises a wind shield 12, a lower protective glass front cover plate 13 and knurled screws 14, wherein the lower protective glass front cover plate 13 is packaged at an opening of a guide space reserved between the protective glass base 1 and the protective glass upper base 2, the knurled screws 14 penetrate through the lower protective glass front cover plate 13 and then are screwed into the protective glass upper base 2, and the wind shield 12 is arranged at the opening of the lower protective glass front cover plate 13 and the guide space.
The utility model relates to a high power cutting head gas circuit structure during operation, cutting gas gets into inside gas circuit cavity through air pipe connector 9, carry out the rectification in wind-break ring 7 department, the air current collects the gas collection ring 720 of wind-break ring 7 earlier, the equipartition of rethread wind-break ring design is kept out the wind hole 730, cross the lower surface of sweeping protective glass piece 4 after from interior crossing corridor 70 and flow down, the inside tube-shape gas circuit cavity that parts such as nozzle block 103 constitute is got back to again in focusing jet orifice 100 promptly to the refluence, spout from nozzle 109 at last, the design of wind-break ring 7 makes cutting head gas circuit structure carry out the rectification to cutting gas.
The utility model relates to a high power cutting head gas circuit structure can carry out the rectification to cutting gas, and cutting gas passes through the rectification, can improve the air current distribution homogeneity, reduce turbulence intensity to reduce the influence of pneumatic optics benefit to laser light path, guarantee light beam quality stability, reduce the processing surface roughness, improve the cutting line and hang down straightness, thereby improve the cutting quality.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides a high power cutting head gas circuit structure which characterized in that: the high-power cutting head gas path structure comprises a protective lens seat, a protective lens upper seat, a protective lens drawer seat, a protective lens, a pressing steel ring, a universal plug seal, a wind shield ring, a gas nozzle opening, a gas pipe joint and a focusing nozzle assembly, wherein the protective lens upper seat is arranged on the protective lens seat, a guide space is reserved at the joint of the protective lens seat and the protective lens upper seat, the protective lens drawer seat can be inserted and installed at the guide space, the protective lens is fixed on the protective lens drawer seat through the pressing steel ring and the universal plug seal, the wind shield ring is embedded and installed at a round hole of the protective lens seat through a screw, an inner passing channel is axially arranged on the wind shield ring, the wind shield ring comprises an installation part, a connection part and a rectification part which are sequentially connected, the outer side surface of the connection part and the round hole of the protective lens seat form a gas collecting ring, a gas passing hole is arranged on the rectification part, the gas passing hole is communicated with the gas collecting ring, and an air inlet channel communicated with the gas collecting ring is transversely arranged on the protective lens seat, an air nozzle opening communicated with the protective lens base is arranged on the outer side of the air inlet channel, an air pipe connector is arranged on the air nozzle opening, and a focusing nozzle assembly is arranged at the lower end of the protective lens base.
2. The high power cutting head gas circuit structure of claim 1, wherein: the mounting portion is provided with a mounting hole, the upper end face of the mounting portion is tightly attached to the bottom face of the protective mirror seat, the upper portion and the lower portion of the connecting portion are tightly attached to the inner wall of the round hole of the protective mirror seat, and the outer wall of the connecting portion is provided with an annular groove.
3. The high power cutting head gas circuit structure of claim 1, wherein: the focusing nozzle assembly comprises a cushion block, a partition plate, a nozzle seat, a slag baffle, a capacitor head, a locking ring, a ceramic body, a lower locking ring and a small nozzle, screws sequentially penetrate through the nozzle seat, the lower end of the protective mirror seat is screwed in after the partition plate and the cushion block, the slag baffle for blocking the screws is installed at the lower end of an installation part of the nozzle seat, the capacitor head is installed on the nozzle seat in an inserted manner, the locking ring is installed outside the joint of the nozzle seat and the capacitor head, the ceramic body is installed on the lower end of the capacitor head in an inserted manner, the lower locking ring is installed outside the joint of the capacitor head and the ceramic body, the small nozzle is in threaded connection with the lower end of the ceramic body, the cushion block, the partition plate, the slag baffle, the capacitor head, the ceramic body and the small nozzle are sequentially provided with focusing jet holes with decreasing shaft diameters.
4. The high power cutting head gas circuit structure of claim 1, wherein: the cutting gas guide rectification cavity is formed by the gas pipe connector, the gas nozzle opening, the gas inlet channel, the gas collecting ring, the gas passing hole, the inner channel and the focusing jet hole, all connecting machine processing parts of the cutting gas guide rectification cavity are sealed by sealing rings, and the sealing performance of the whole cavity is guaranteed.
5. The high power cutting head gas circuit structure of claim 1, wherein: the wind shield protection device is characterized by further comprising a wind shield, a lower protective glass front cover plate and a knurled screw, wherein the lower protective glass front cover plate is packaged at an opening of the protective glass seat and the protective glass upper seat, a guide space is reserved in the opening, the knurled screw penetrates through the lower protective glass front cover plate and then is screwed into the protective glass upper seat, and the wind shield is installed at the opening of the lower protective glass front cover plate and the guide space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022981184.8U CN214443909U (en) | 2020-12-11 | 2020-12-11 | High-power cutting head gas circuit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022981184.8U CN214443909U (en) | 2020-12-11 | 2020-12-11 | High-power cutting head gas circuit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214443909U true CN214443909U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022981184.8U Active CN214443909U (en) | 2020-12-11 | 2020-12-11 | High-power cutting head gas circuit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214443909U (en) |
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2020
- 2020-12-11 CN CN202022981184.8U patent/CN214443909U/en active Active
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