CN220825596U - High-power laser cutting head lens cooling device - Google Patents
High-power laser cutting head lens cooling device Download PDFInfo
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- CN220825596U CN220825596U CN202322679835.1U CN202322679835U CN220825596U CN 220825596 U CN220825596 U CN 220825596U CN 202322679835 U CN202322679835 U CN 202322679835U CN 220825596 U CN220825596 U CN 220825596U
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- lens
- cooling
- cooling passage
- passage
- cutting head
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- 238000001816 cooling Methods 0.000 title claims abstract description 92
- 238000003698 laser cutting Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
- 230000002411 adverse Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Laser Beam Processing (AREA)
Abstract
The utility model discloses a high-power laser cutting head lens cooling device, which comprises a mounting seat, wherein a through beam passage is formed on the mounting seat, a groove part for clamping a lens is arranged in the beam passage, the first cooling passages are 2 in number and symmetrically arranged in the groove part to abut against the upper surface and the lower surface of the lens, the second cooling passages are arranged corresponding to the groove bottom of the groove part and are used for abutting against the side edges of the lens, and three-surface cooling effect on the lens is realized through the arrangement of the first cooling passages and the second cooling passages, so that the temperature of the lens is effectively controlled, and the adverse effect on laser beams caused by overhigh temperature of the lens is avoided.
Description
Technical Field
The utility model relates to the technical field of laser processing, in particular to a high-power laser cutting head lens cooling device.
Background
Laser machining is the process of melting the surface of a part by the high polymerization energy generated by a laser beam and blowing out the melted area to achieve a cutting effect.
When using high-power laser processing, laser beam passes the lens surface and can lead to lens temperature to rise sharply, and then can lead the lens to take place the distortion, and then influences life and the laser output effect of lens, consequently, need cool down it to keep the lens work in suitable scope, and then guarantee the output effect of laser beam.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide a high-power laser cutting head lens cooling device which can cool the lens so as to avoid curvature change caused by overheating of the lens.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-power laser cutting head lens cooling device comprises a mounting seat, wherein a through light beam passage is formed on the mounting seat, and a groove part for clamping a lens is arranged in the light beam passage;
The first cooling passages are 2 in number and symmetrically arranged in the groove part to abut against the upper surface and the lower surface of the lens;
the second cooling passage is arranged corresponding to the bottom of the groove part and is used for abutting against the side edge of the lens.
In the technical scheme of the embodiment of the application, when laser passes through the beam passage, heat energy generated by the laser is conducted to the lens, at the moment, the upper side and the lower side of the lens can be cooled by the two symmetrically arranged first cooling passages, and meanwhile, the edge of the lens is further cooled by matching with the second cooling passages, so that three sides of the lens are cooled, and the efficient cooling effect of the lens under a high-power working environment is realized.
As a further improvement of the utility model, the first cooling passage is spiral and winds around the axis direction of the light beam passage, and a water inlet and a water outlet are respectively arranged on the side wall of the first cooling passage corresponding to the mounting seat.
Through above-mentioned technical scheme, through the first cooling passageway of heliciform can increase the area of contact of first cooling passageway and lens in the maximum extent, can guarantee the liquid circulation in the first cooling passageway simultaneously to reach better cooling effect.
As a further improvement of the utility model, an inner cavity is arranged in the mounting seat, an opening is arranged at the bottom of the inner cavity corresponding to the groove part, and the second cooling passage is arranged in the inner cavity and is partially exposed at the opening position.
Through above-mentioned technical scheme, through inner chamber and open-ended setting messenger's slot portion bottom can be used as the fixed part of lens to reduce the position constraint demand of second cooling passage to the lens, and then guarantee the cooling effect of second cooling passage to the lens.
As a further improvement of the utility model, the first cooling passage and the second cooling passage are communicated with each other, and the second cooling passage expands after water injection and abuts against the side edge of the lens.
Through the technical scheme, the liquid circulation in the second cooling passage can be realized, and meanwhile, the expansion mode of the second cooling passage can be attached to the side surface of the lens, so that a good cooling effect is obtained.
As a further improvement of the present utility model, the second cooling passage is an elastic bladder.
Through above-mentioned technical scheme, the setting of elastic bag can carry out the self-adjustment to the lens of different curvatures to strengthen its practicality.
As a further improvement of the utility model, the elastic bag is provided with a heat conducting sheet at the position corresponding to the opening.
Through above-mentioned technical scheme, can accelerate heat conduction through the setting of conducting strip on the one hand, improve the cooling effect, can avoid the lens to contact the elastic bag under the high temperature state simultaneously through conducting strip and lens contact and lead to the elastic bag partial area to take place to dissolve and with the defect of lens adhesion.
The utility model has the beneficial effects that:
1. The first cooling passage and the second cooling passage are arranged to realize the three-surface cooling effect on the lens, so that the temperature of the lens is effectively controlled, and the adverse effect on the laser beam caused by overhigh temperature of the lens is avoided;
2. The edge of the lens with different models can be self-adapted through the expanded second cooling passage, so that a self-adjusting effect is achieved;
3. the elastic bag can be prevented from being dissolved through the arrangement of the heat conducting fin, and the device is further suitable for high-power laser processing.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a trough assembly according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a first cooling passage according to the present utility model.
Reference numerals: 1. a mounting base; 2. a beam path; 3. a groove portion; 4. a first cooling passage; 5. a second cooling passage; 6. a water inlet; 7. a water outlet; 8. an inner cavity; 9. an opening; 10. and a heat conductive sheet.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals.
As shown in fig. 1-3, a high-power laser cutting head lens cooling device comprises a mounting seat 1, wherein the mounting seat 1 is used for being mounted on a laser head, a through beam passage 2 is formed on the mounting seat 1, a groove part 3 used for clamping a lens is arranged in the beam passage 2, the lens is clamped in the groove part 3 and is fixed through the bottom of the groove part 3, so that laser passes through the beam passage 2, the high-power laser cutting head lens cooling device further comprises a first cooling passage 4 and a second cooling passage 5, the number of the first cooling passages 4 is 2 and are symmetrically arranged in the groove part 3 to be in contact with the upper surface and the lower surface of the lens, the second cooling passage 5 is arranged corresponding to the bottom of the groove part 3, the second cooling passage 5 is used for being in contact with the side of the lens, the first cooling passage 4 and the second cooling passage 5 are all curved so as to enlarge the contact area with the lens, and after the lens is mounted, the two first cooling passages 4 are respectively positioned at two sides of the lens and are in contact with the two sides of the lens, meanwhile the second cooling passage 5 is in contact with the side of the lens, so that the laser beam can be in contact with the side of the lens through the first cooling passage 4 and the second cooling passage 5 to be in contact with the side of the lens, after passing through the lens, the lens can effectively control the temperature of the lens to be in order to avoid bad temperature control to the lens temperature.
Preferably, in order to further improve the contact area between the first cooling passage 4 and the lens, so as to improve the cooling effect on the lens, the first cooling passage 4 is spiral and winds around towards the axis direction of the beam passage 2, wherein the cross section of the first cooling passage 4 can be circular or rectangular, the side wall of the first cooling passage 4 corresponding to the mounting seat 1 is respectively provided with a water inlet 6 and a water outlet 7, and the spiral first cooling passage 4 is matched with the water inlet 6 and the water outlet 7 to realize the rapid circulation of liquid, so that the subsequent reduction of the cooling effect caused by the stagnation of the liquid after heat absorption in the first cooling passage is avoided.
Preferably, the inner cavity 8 is arranged in the mounting seat 1, the inner cavity 8 is provided with an opening 9 corresponding to the bottom of the groove part 3, the second cooling passage 5 is arranged in the inner cavity 8 and is partially exposed at the position of the opening 9, on one hand, the mounting seat 1 can be cooled through the arrangement of the inner cavity 8, and meanwhile, the second cooling passage 5 can be prevented from being used as the fixing effect of the edge of the lens, namely, the lens is fixed only through the groove part 3, so that the material requirement of the second cooling passage 5 is reduced.
Preferably, in order to realize the liquid circulation of the second cooling passage 5, the first cooling passage 4 and the second cooling passage 5 are mutually communicated, and more preferably, in this embodiment, both the first cooling passage 4 and the second cooling passage 5 are mutually communicated to form unidirectional circulation of liquid, so that the water circulation of the first cooling passage 4 and the second cooling passage 5 can be realized only through one water inlet 6 and one water outlet 7, the second cooling passage 5 expands after water injection and abuts against the side edge of the lens, and the expansion mode of the second cooling passage 5 can adapt to the characteristic that the edge position of lenses of different types changes, thereby keeping the abutting of the second cooling passage 5 and the edge of the lens.
Preferably, the second cooling passage 5 is an elastic bladder.
Preferably, under the high temperature state of the lens, when the outer skin of the elastic bag is directly contacted with the lens, the contact area can be dissolved and adhered to the lens due to the fact that the temperature is rapidly increased to cause the partial area of the elastic bag to be separated, and liquid can be leaked simultaneously, so that the heat conducting sheet 10 is arranged at the position of the corresponding opening 9 of the elastic bag, the heat conducting effect can be improved through the arrangement of the heat conducting sheet 10, meanwhile, the elastic bag can be prevented from being dissolved, and the device is further suitable for laser cutting under high power.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (6)
1. A high-power laser cutting head lens cooling device is characterized in that: the lens fixing device comprises a mounting seat (1), wherein a through light beam passage (2) is formed on the mounting seat (1), and a groove part (3) for clamping a lens is arranged in the light beam passage (2);
the first cooling passages (4) are 2 in number and symmetrically arranged in the groove part (3) so as to abut against the upper surface and the lower surface of the lens;
And the second cooling passage (5) is arranged corresponding to the groove bottom of the groove part (3), and the second cooling passage (5) is used for abutting against the side edge of the lens.
2. The high power laser cutting head lens cooling device of claim 1, wherein: the first cooling passage (4) is spiral and winds towards the axis direction of the light beam passage (2), and a water inlet (6) and a water outlet (7) are respectively arranged on the side wall of the first cooling passage (4) corresponding to the mounting seat (1).
3. The high power laser cutting head lens cooling device of claim 1, wherein: an inner cavity (8) is arranged in the mounting seat (1), an opening (9) is arranged at the bottom of the inner cavity (8) corresponding to the groove part (3), and the second cooling passage (5) is arranged in the inner cavity (8) and partially exposed at the position of the opening (9).
4. A high power laser cutting head lens cooling device as claimed in claim 3, wherein: the first cooling passage (4) and the second cooling passage (5) are communicated with each other, and the second cooling passage (5) expands after water injection and is abutted against the side edge of the lens.
5. The high power laser cutting head lens cooling device of claim 4, wherein: the second cooling passage (5) is an elastic bag.
6. The high power laser cutting head lens cooling device of claim 5, wherein: the elastic bag is provided with a heat conducting sheet (10) at the position corresponding to the opening (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679835.1U CN220825596U (en) | 2023-09-28 | 2023-09-28 | High-power laser cutting head lens cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679835.1U CN220825596U (en) | 2023-09-28 | 2023-09-28 | High-power laser cutting head lens cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220825596U true CN220825596U (en) | 2024-04-23 |
Family
ID=90727428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322679835.1U Active CN220825596U (en) | 2023-09-28 | 2023-09-28 | High-power laser cutting head lens cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220825596U (en) |
-
2023
- 2023-09-28 CN CN202322679835.1U patent/CN220825596U/en active Active
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