CN220782664U - Nozzle with shielding gas and laser path separated - Google Patents
Nozzle with shielding gas and laser path separated Download PDFInfo
- Publication number
- CN220782664U CN220782664U CN202322663513.8U CN202322663513U CN220782664U CN 220782664 U CN220782664 U CN 220782664U CN 202322663513 U CN202322663513 U CN 202322663513U CN 220782664 U CN220782664 U CN 220782664U
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- Prior art keywords
- nozzle mechanism
- nozzle
- laser
- gas
- shielding gas
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- 238000003466 welding Methods 0.000 abstract description 41
- 230000003287 optical effect Effects 0.000 abstract description 23
- 239000002893 slag Substances 0.000 abstract description 12
- 230000001681 protective effect Effects 0.000 abstract description 8
- 238000007664 blowing Methods 0.000 abstract description 7
- 239000003595 mist Substances 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model discloses a nozzle for separating a shielding gas from a laser light path, which comprises a second nozzle mechanism, wherein a first nozzle mechanism is sleeved in the second nozzle mechanism, a gap is arranged between the first nozzle mechanism and the second nozzle mechanism, a laser channel is arranged in the first nozzle mechanism along the length direction of the first nozzle mechanism, and the outer wall of the second nozzle mechanism is connected with an air supply pipe. The gas blown out from the bottom of the welding device forms a cross gas curtain, so that welding slag can be completely prevented from entering the welding device, optical elements are effectively protected, downward blowing of gas flow is ensured, the blown gas part is far away from the optical elements in the welding device, and water mist is not formed on the surfaces of the optical elements due to the temperature difference between the protective gas and the welding device.
Description
Technical Field
The utility model belongs to the technical field of laser welding equipment, and particularly relates to a nozzle with shielding gas and a laser path separated.
Background
Because the laser welding device is internally matched with each optical element, the optical elements are easy to damage due to the characteristics of the optical elements, and in order to achieve the welding effect of ideal design as far as possible, foreign matters are not attached to the surfaces of any optical elements in the optical path, and the optical elements are not damaged. During welding, mist, dust and the like formed during welding need to be prevented from entering the welding tip, and the service life of the optical element is further affected.
At present, in order to better protect an optical element as much as possible, a blowing device for laser welding appears in the market directly blows protective gas under the optical element, but in actual work, slag generated by welding still enters welding equipment to damage the optical element, so that the protective effect is poor; even in some areas, due to weather and other reasons, the protective gas can form water mist on the optical elements during the welding process, and risks of changing the light path and damaging the optical elements are caused. Meanwhile, because the blowing position is far away from the welding surface, slag generated in the welding process is accumulated at the position to be welded, the welding effect is poor, and unnecessary working links are increased.
Disclosure of utility model
The utility model aims to provide a nozzle with shielding gas and a laser light path separated, which solves the problem that slag enters welding equipment to damage optical elements in the prior art.
The technical scheme adopted by the utility model is as follows: the nozzle with the protection gas separated from the laser path comprises a second nozzle mechanism, a first nozzle mechanism is sleeved in the second nozzle mechanism, a gap is arranged between the first nozzle mechanism and the second nozzle mechanism, a laser channel is arranged in the first nozzle mechanism along the length direction of the first nozzle mechanism, and the outer wall of the second nozzle mechanism is connected with an air supply pipe.
The present utility model is also characterized in that,
The top of first nozzle mechanism is connected with the connection pad, and a plurality of connecting holes have evenly been seted up along its circumference to the surface of connection pad, all are connected with second nozzle mechanism through the screw in every connecting hole.
The top of first nozzle mechanism is connected with a laser section of thick bamboo, and the internal thread has been seted up to the laser section of thick bamboo, and laser section of thick bamboo and laser passageway coaxial setting.
The outer wall of the first nozzle mechanism is provided with a groove along the length direction.
And the outer wall of the second nozzle mechanism is provided with a vent, and the vent is in threaded connection with the air supply pipe.
The air supply pipe is of an L-shaped structure, and threads are formed on the outer wall of one end of the air supply pipe along the circumferential direction of the air supply pipe.
The bottom of the second nozzle mechanism is provided with an opening, and the bottoms of the second nozzle mechanism and the first nozzle mechanism are obliquely arranged
The beneficial effects of the utility model are as follows: according to the nozzle with the protective gas separated from the laser light path, the gas blown out from the bottom forms a cross gas curtain, so that welding slag can be completely prevented from entering the welding device, and an optical element is effectively protected; the protective air flows downwards and the blowing part is far away from the optical element in the welding device, so that water mist is not formed on the surface of the optical element due to the temperature difference between the protective air and the welding device; the blowing position is outside the laser welding device and is nearer to the welding surface, slag at the position to be welded can be effectively blown away, the laser can directly act on the surface to be welded, and the welding effect is ideal; the welding device has the advantages that the optical elements in the welding device are protected, slag is effectively cleaned, and the welding effect is better.
Drawings
FIG. 1 is a schematic diagram of a nozzle with shielding gas separated from a laser beam path according to the present utility model;
FIG. 2 is a cross-sectional view of a nozzle of the present utility model with a shielding gas separated from the laser beam path;
FIG. 3 is a schematic view of a first nozzle mechanism in a nozzle with shielding gas separated from a laser light path according to the present utility model;
FIG. 4 is a cross-sectional view of a first nozzle mechanism in a nozzle of the present utility model with a shielding gas separated from the laser beam path;
FIG. 5 is a schematic diagram of a second nozzle mechanism in the nozzle with shielding gas separated from the laser path according to the present utility model;
Fig. 6 is a cross-sectional view of a second nozzle mechanism in a nozzle of the present utility model having a shielding gas separated from the laser beam path.
In the figure, the laser channel is 1, the first nozzle mechanism is 2, the air vent is 3, the air supply pipe is 4, the groove is 5, the second nozzle mechanism is 6, the connecting hole is 7, and the connecting disc is 8.
Detailed Description
The utility model will be described in detail with reference to the accompanying drawings and detailed description.
The utility model provides a nozzle for separating shielding gas from a laser light path, which is shown in fig. 1-2, and comprises a second nozzle mechanism 6, wherein a first nozzle mechanism 2 is sleeved in the second nozzle mechanism 6, a gap is arranged between the first nozzle mechanism 2 and the second nozzle mechanism 6, a laser channel 1 is arranged in the first nozzle mechanism 2 along the length direction of the first nozzle mechanism, and the outer wall of the second nozzle mechanism 6 is connected with an air supply pipe 4. The laser channel 1 is set to funnel shape, and the bigger tip of laser channel 1 is close to the top setting of first nozzle mechanism 2, and first nozzle mechanism 2 is connected with the end-to-end of soldered connection or cutting head, and the one end of air supply pipe 4 is connected with air supply equipment, and laser sees through laser channel 1 and welds or cut the operation, and air supply equipment blows in to second nozzle mechanism 6 through air supply pipe 4, is equipped with the gap between first nozzle mechanism 2 and the second nozzle mechanism 6 and blows out, and the direct action is on the welding work surface, can effectively blow off the residual slag on welding work surface.
Example 1
The nozzle with the separation of the shielding gas and the laser path comprises a second nozzle mechanism 6, a first nozzle mechanism 2 is sleeved in the second nozzle mechanism 6, a gap is arranged between the first nozzle mechanism 2 and the second nozzle mechanism 6, a laser channel 1 is arranged in the first nozzle mechanism 2 along the length direction of the first nozzle mechanism, and the outer wall of the second nozzle mechanism 6 is connected with an air supply pipe 4.
As shown in fig. 3-4, the top of the first nozzle mechanism 2 is connected with a connecting disc 8, the surface of the connecting disc 8 is uniformly provided with a plurality of connecting holes 7 along the circumferential direction, and each connecting hole 7 is connected with the second nozzle mechanism 6 through a screw. The first nozzle mechanism 2 is connected to the middle part of the connecting disc 8 and is connected with the second nozzle mechanism 6 through the connecting disc 8, so that the stability of the device is ensured.
Example 2
The nozzle with the separation of the shielding gas and the laser path comprises a second nozzle mechanism 6, a first nozzle mechanism 2 is sleeved in the second nozzle mechanism 6, a gap is arranged between the first nozzle mechanism 2 and the second nozzle mechanism 6, a laser channel 1 is arranged in the first nozzle mechanism 2 along the length direction of the first nozzle mechanism, and the outer wall of the second nozzle mechanism 6 is connected with an air supply pipe 4.
The top of first nozzle mechanism 2 is connected with connection pad 8, and a plurality of connecting holes 7 have evenly been seted up along its circumference to the surface of connection pad 8, all are connected with second nozzle mechanism 6 through the screw in every connecting hole 7.
The top of the first nozzle mechanism 2 is connected with a laser cylinder, the laser cylinder is provided with internal threads, and the laser cylinder and the laser channel 1 are coaxially arranged. The top of the laser cylinder is higher than the surface of the connecting disc 8, so that the laser cylinder is convenient to connect with a welding head or a cutting head, and laser passes through the laser channel 1 to perform laser welding or laser cutting operation.
The outer wall of the first nozzle means 2 is provided with grooves 5 along its length. The groove 5 is arranged in the middle of the outer wall of the first nozzle mechanism 2 and below, so that a gap exists between the first nozzle mechanism 2 and the second nozzle mechanism 6, the gap is used as a gas channel, and the gas is prevented from leaking from the bottom of the device.
Example 3
The nozzle with the separation of the shielding gas and the laser path comprises a second nozzle mechanism 6, a first nozzle mechanism 2 is sleeved in the second nozzle mechanism 6, a gap is arranged between the first nozzle mechanism 2 and the second nozzle mechanism 6, a laser channel 1 is arranged in the first nozzle mechanism 2 along the length direction of the first nozzle mechanism, and the outer wall of the second nozzle mechanism 6 is connected with an air supply pipe 4.
The top of first nozzle mechanism 2 is connected with connection pad 8, and a plurality of connecting holes 7 have evenly been seted up along its circumference to the surface of connection pad 8, all are connected with second nozzle mechanism 6 through the screw in every connecting hole 7.
The top of the first nozzle mechanism 2 is connected with a laser cylinder, the laser cylinder is provided with internal threads, and the laser cylinder and the laser channel 1 are coaxially arranged.
The outer wall of the first nozzle means 2 is provided with grooves 5 along its length. The groove 5 is formed with an inverted cone-shaped gas cavity.
As shown in fig. 5-6, the outer wall of the second nozzle mechanism 6 is provided with a vent 3, and the vent 3 is in threaded connection with the air supply pipe 4. The vent 3 is in threaded connection with the air supply pipe 4, so that the vent 3 is convenient to assemble and disassemble, and is arranged near the top of the groove 5.
The air supply pipe 4 is of an L-shaped structure, and one end outer wall of the air supply pipe 4 is provided with threads along the circumferential direction. The gas supply pipe 4 serves as a passage for gas.
The bottom of the second nozzle mechanism 6 is provided with an opening, and the bottoms of the second nozzle mechanism 6 and the first nozzle mechanism 2 are both obliquely arranged. The second nozzle mechanism 6 and the bottom of the first nozzle mechanism 2 are obliquely arranged, so that the blown gas forms a crossed air curtain, and the crossed air curtain effectively prevents slag from entering the device.
The utility model discloses the theory of operation of the nozzle of shielding gas and laser light path separation is as follows:
The laser tube in the first nozzle mechanism 2 is connected with the tail end of the welding head or the cutting head, laser penetrates through the laser channel 1 to perform laser welding or laser cutting operation, one end of the air supply pipe 4 is connected with the air supply equipment, the air supply equipment blows air into the second nozzle mechanism 6 through the air supply pipe 4, the air forms inclined annular air flow in the inverted cone-shaped air cavity at the groove 5, the air is blown out from the bottoms of the first nozzle mechanism 2 and the second nozzle mechanism 6 and contracts downwards to form a cross air curtain, the cross air curtain effectively prevents slag from entering the device, directly acts on the surface of a welding workpiece, residual slag on the surface of the welding workpiece can be effectively blown off, and the utilization rate of protective gas is improved.
The nozzle with the shielding gas separated from the laser light path has the advantages that the gas blown out from the bottom forms the crossed gas curtain, so that welding slag can be completely prevented from entering the welding device, the optical element is effectively protected, downward blowing of the gas flow is ensured, the distance between the blowing part and the optical element in the welding device is long, and water mist is not formed on the surface of the optical element due to the temperature difference between the shielding gas and the welding device.
Claims (7)
1. The nozzle with the protection gas separated from a laser light path is characterized by comprising a second nozzle mechanism (6), wherein a first nozzle mechanism (2) is sleeved in the second nozzle mechanism (6), a gap is arranged between the first nozzle mechanism (2) and the second nozzle mechanism (6), a laser channel (1) is formed in the first nozzle mechanism (2) along the length direction of the laser channel, and an air supply pipe (4) is connected with the outer wall of the second nozzle mechanism (6).
2. The nozzle for separating the shielding gas from the laser light path according to claim 1, wherein the top of the first nozzle mechanism (2) is connected with a connecting disc (8), a plurality of connecting holes (7) are uniformly formed in the surface of the connecting disc (8) along the circumferential direction of the connecting disc, and each connecting hole (7) is connected with the second nozzle mechanism (6) through a screw.
3. A nozzle with shielding gas separated from a laser light path according to claim 1, characterized in that the top of the first nozzle mechanism (2) is connected with a laser barrel, the laser barrel is provided with an internal thread, and the laser barrel and the laser channel (1) are coaxially arranged.
4. Nozzle with shielding gas separated from the laser beam path according to claim 1, characterized in that the outer wall of the first nozzle means (2) is provided with grooves (5) along its length.
5. Nozzle for separating a shielding gas from a laser light path according to claim 1, characterized in that a vent (3) is provided in the outer wall of the second nozzle means (6), the vent (3) being in threaded connection with the gas supply tube (4).
6. A nozzle for separating a shielding gas from a laser light path according to claim 1, wherein the gas supply pipe (4) is of an L-shaped structure, and an outer wall of one end of the gas supply pipe (4) is threaded along a circumferential direction thereof.
7. A nozzle with shielding gas separated from the laser light path according to claim 1, wherein the bottom of the second nozzle mechanism (6) is provided as an opening, and the bottoms of the second nozzle mechanism (6) and the first nozzle mechanism (2) are both provided obliquely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322663513.8U CN220782664U (en) | 2023-09-28 | 2023-09-28 | Nozzle with shielding gas and laser path separated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322663513.8U CN220782664U (en) | 2023-09-28 | 2023-09-28 | Nozzle with shielding gas and laser path separated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220782664U true CN220782664U (en) | 2024-04-16 |
Family
ID=90635223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322663513.8U Active CN220782664U (en) | 2023-09-28 | 2023-09-28 | Nozzle with shielding gas and laser path separated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220782664U (en) |
-
2023
- 2023-09-28 CN CN202322663513.8U patent/CN220782664U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |