CN204706763U - A kind of device printing laser crystal cooling heat sink - Google Patents
A kind of device printing laser crystal cooling heat sink Download PDFInfo
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- CN204706763U CN204706763U CN201520365436.0U CN201520365436U CN204706763U CN 204706763 U CN204706763 U CN 204706763U CN 201520365436 U CN201520365436 U CN 201520365436U CN 204706763 U CN204706763 U CN 204706763U
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- laser crystal
- heat sink
- cooling heat
- fixture
- laser
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Abstract
The utility model discloses a kind of device printing laser crystal cooling heat sink, comprise workbench, laser crystal, fixture, back-up block, laser and powder feeder; Described fixture is cylinder, comprises the first fixture and the second fixture that rely on laser crystal two ends; Described back-up block is fixedly connected with workbench, comprises the first back-up block and the second back-up block, and described first back-up block relies on described first fixture, and described second back-up block relies on described second fixture; Apparatus and method of the present utility model, in conjunction with 3D printing technique, at laser crystal printout surface multilayer cooling heat sink, realize laser crystal and cooling heat sink fits tightly, significantly improve the radiating effect of cooling heat sink.
Description
Technical field
The utility model relates to the cooling heat sink processing technique field of laser, in particular to a kind of device printing laser crystal cooling heat sink.
Background technology
Along with the appearance of high-power semiconductor laser, the technology that end pumping become very ripe is carried out to laser crystal.When high power end pumping rod-shaped laser crystal or sheet laser crystal, due to the effect of high power pump light, in laser crystal, there is a large amount of after-heats, thus need to dispel the heat to it.For rod-shaped laser crystal, the cooling surface of rod generally adopts heat conducting mode to dispel the heat.
In existing high power end pumping bar-shaped laser or rod-shaped laser amplifier system, general employing mechanical system fixed laser crystal cylindrical rod, crystal is fixed on the copper radiator of temperature control by it.Be cylindrical structure in the middle of copper radiator, its size is slightly larger than the diameter of laser crystal bar.Copper radiator is split into two halves from centre, namely two semicircular cylinders.When clamping laser crystal, the thin indium sheet of one deck is sticked at drum surface, and then laser crystal is clipped in the middle of two halves cylinder, finally two halves cylinder is fixed, simultaneously with certain stress to ensure that indium sheet is well filled between copper radiator and laser crystal.
But, in existing rod-shaped laser crystal cooling heat sink preparation and clamping process, require very high to the machining tolerance of copper radiator middle cylinder and laser crystal periphery, just can have a well coupling, thus result in processed complex and processing cost is high; This existing method ensures good contact by clamping indium sheet between semicircular cylinder and laser crystal simultaneously, thus can cause when indium sheet material is uneven or nip stress is unbalanced contacting bad and having the existence in space, thus whole cooling weak effect can be made.Same problem also exists for sheet laser crystal.
Utility model content
For above-mentioned problems of the prior art, the utility model provides a kind of device printing laser crystal cooling heat sink, device of the present utility model is in conjunction with 3D printing technique, at laser crystal printout surface multilayer cooling heat sink, realize laser crystal and cooling heat sink fits tightly, significantly improve the radiating effect of cooling heat sink.
For achieving the above object, the utility model provides following technical scheme:
Print a device for laser crystal cooling heat sink, comprise workbench, laser crystal, fixture, back-up block, laser and powder feeder;
Described fixture is cylinder, comprises the first fixture and the second fixture that rely on laser crystal two ends;
Described back-up block is fixedly connected with workbench, comprises the first back-up block and the second back-up block, and described first back-up block relies on described first fixture, and described second back-up block relies on described second fixture.
Further, the end face of laser crystal all covers by the face leaned with laser crystal of described fixture.
Further, described device also comprises control module, and described powder feeder and laser are all connected with described control module.
Further, described first back-up block is the first motor, and the axle of the first motor is fixedly connected with described first fixture, and described first motor is connected with described control module.
Further, described device also comprises the second motor, is fixedly connected on described workbench, and the axle of described second motor is fixedly connected with described laser, and described second motor is connected with described control module.
Further, described second back-up block is provided with connecting rod, and described connecting rod relies on described second fixture.
Further, described laser crystal is cylindric.
The beneficial effects of the utility model are as follows:
1, the utility model uses for reference 3D printing technique, directly cooling heat sink is printed on laser crystal surface, realize laser crystal surface and the fitting tightly of cooling heat sink surface, effectively the radiating effect of raising cooling heat sink, also omit indium sheet and the device for clamping cooling heat sink simultaneously;
2, the utility model adopts multi-track overlapping, the mode that successively superposes prints cooling heat sink, can obtain the cooling heat sink of any thickness;
3, the fixture relying on laser crystal two ends not only can clamp laser crystal, plays fixing effect, also protects the both ends of the surface of laser crystal, avoids laser crystal both ends of the surface to be polluted;
4, adopt the first driven by motor laser crystal rotary motion, the second driven by motor laser moves along laser crystal length direction, carries out spirality printing, realizes the cooling heat sink of the printing stratiform at laser crystal surface uniform, guarantees the consistency of thickness of cooling heat sink;
5, frosting treatment is carried out to laser crystal surface, increase the contact area of laser crystal and cooling heat sink, optimize radiating effect.
Accompanying drawing explanation
Fig. 1 is the device overall structure schematic diagram that the utility model prints laser crystal cooling heat sink;
Fig. 2 is laser crystal and cooling heat sink structural representation after the utility model prints.
In figure: 1-laser crystal, 11-cooling heat sink, 2-fixture, the 3-the first motor, the 31-the first motor shaft, the 4-the second back-up block, 41-connecting rod, 5-laser, 51-laser beam, 6-powder feeder, 61-feeding head, 7-control module, 8-workbench.
Embodiment
The technical solution of the utility model is understood better in order to make those skilled in the art; below in conjunction with accompanying drawing of the present utility model; clear, complete description is carried out to the technical solution of the utility model; based on the embodiment in the application; other roughly the same embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all should belong to the scope of the application's protection.
Embodiment one:
As shown in Figure 1, a kind of device printing laser crystal cooling heat sink, comprises workbench 8, laser crystal 1, first fixture 21, second fixture 22, second back-up block 4, first motor 3, second motor 9, laser 5, powder feeder 6 and control module 7.Second back-up block 4, first motor 3, second motor 9 and laser 5 are all fixedly connected on workbench 8 surface, laser crystal 1 is cylindric, first fixture 21 and the second fixture 22 are cylinder, lean the both ends of the surface at laser crystal 1 respectively, the face that the leans area of the first fixture 21 is greater than laser crystal 1 face area leaned with it, the face that the leans area of the second fixture 22 is greater than laser crystal 1 face area leaned with it, and 2 of laser crystal end faces all cover by 2 faces leaned with laser crystal of described fixture.The fixture relying on laser crystal 1 two ends not only can clamp laser crystal 1, plays fixing effect, also protects the both ends of the surface of laser crystal 1, avoids laser crystal 1 both ends of the surface to be polluted.Second back-up block 4 is provided with connecting rod 41, one end of connecting rod 41 leans on the second fixture 22, first motor shaft 31 is fixedly connected with the first fixture 21, is fixed and is clamped, make the first motor 3 drive laser crystal 1 to rotate by fixture, the first motor 3 and the second back-up block 4 pairs of laser crystals 1.The axle of the second motor 9 is fixedly connected with laser 5, and laser 5 is moved along the axis direction of laser crystal 1.First motor 3, second motor 9, laser 5 are all connected with control module 7 with powder feeder 6, by the opening and closing of the rotating speed of program control first motor 3 in control module 7, the rotating speed of the second motor 9, the opening and closing of laser 5 and powder feeder 6.In described powder feeder 6, copper powder is housed.Described laser crystal 1 surface through frosting treatment be rough surface.
As shown in Figure 2, after having printed, can at laser crystal 1 intimate laminating cooling heat sink 11.
Separately, the utility model also provides a kind of method utilizing device as above to print laser crystal cooling heat sink, comprises the following steps:
(1) side printing cooling heat sink 11 is needed by columned laser crystal 1 to carry out frosting treatment, to increase the roughness of laser crystal 1 side, increasing heat radiation area, again by two of laser crystal 1 end face holder, by the second back-up block 4 and the first motor 3, laser crystal 1 is fixed;
(2) laser beam 51 that laser 5 exports is assembled to laser crystal 1 surface, the molten bath of more than 1100 DEG C is formed on surface, this temperature is not enough to the damage causing laser crystal 1, copper powder is delivered in molten bath by the feeding head 61 of powder feeder 6 simultaneously, laser crystal 1 surface is attached to after copper powder fusing, after laser beam moves, the copper powder of fusing solidifies and is close to laser crystal 1 surface;
(3) control module 7 controls the first motor 3 and the second motor 9, the first motor 3 is made to drive laser crystal 1 uniform speed rotation, print cooling heat sink bar, simultaneously, second motor 9 drives laser 5 along laser crystal 1 axis direction uniform motion, laser beam 51 is advanced at laser crystal 1 perficial helical, and cooling heat sink bar overlaps mutually, finally prints the uniform cooling heat sink 11 of a layer thickness;
(4) laser 5 and the second motor 9 are retreated the distance of last layer cooling heat sink 11, implementation step (2) and (3) again;
(5) repeat implementation step (4), complete the successively superposition of cooling heat sink, until obtain the cooling heat sink 11 of desired thickness.The utility model uses for reference 3D printing technique, directly cooling heat sink 11 is printed on laser crystal 1 surface, realize laser crystal 1 surface and the fitting tightly of cooling heat sink 11 surface, effectively the radiating effect of raising cooling heat sink, also omit indium sheet and the device for clamping cooling heat sink 11 simultaneously.The utility model employing multi-track overlapping, the mode successively superposed print cooling heat sink 11, can obtain the cooling heat sink 11 of any thickness.
Embodiment two:
When to sheet laser crystal 1 printout surface cooling heat sink, the part identical with embodiment (1) repeats no more, unlike: do not need the first motor 3, laser 5 side is fixedly connected with the 3rd motor, 3rd motor is connected with control module 7, by the 3rd driven by motor laser 5 in the plane motion perpendicular to workbench 8, the laser crystal 1 of sheet is placed perpendicular to workbench 8, needs the surface printing cooling heat sink 11 just to laser 5.Laser beam 51 forms " going back to " word path on laser crystal 1 surface.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (7)
1. print a device for laser crystal cooling heat sink, it is characterized in that, comprise workbench, laser crystal, fixture, back-up block, laser and powder feeder;
Described fixture is cylinder, comprises the first fixture and the second fixture that rely on laser crystal two ends;
Described back-up block is fixedly connected with workbench, comprises the first back-up block and the second back-up block, and described first back-up block relies on described first fixture, and described second back-up block relies on described second fixture.
2. the device of printing laser crystal cooling heat sink according to claim 1, is characterized in that, the end face of laser crystal all covers by the face leaned with laser crystal of described fixture.
3. the device of printing laser crystal cooling heat sink according to claim 2, it is characterized in that, described device also comprises control module, and described powder feeder and laser are all connected with described control module.
4. the device of printing laser crystal cooling heat sink according to claim 3, is characterized in that, described first back-up block is the first motor, and the axle of the first motor is fixedly connected with described first fixture, and described first motor is connected with described control module.
5. the device of printing laser crystal cooling heat sink according to claim 4, it is characterized in that, described device also comprises the second motor, is fixedly connected on described workbench, the axle of described second motor is fixedly connected with described laser, and described second motor is connected with described control module.
6. the device of printing laser crystal cooling heat sink according to claim 5, is characterized in that, described second back-up block is provided with connecting rod, and described connecting rod relies on described second fixture.
7., according to the device of the arbitrary described printing laser crystal cooling heat sink of claim 1-6, it is characterized in that, described laser crystal is cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365436.0U CN204706763U (en) | 2015-06-01 | 2015-06-01 | A kind of device printing laser crystal cooling heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365436.0U CN204706763U (en) | 2015-06-01 | 2015-06-01 | A kind of device printing laser crystal cooling heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204706763U true CN204706763U (en) | 2015-10-14 |
Family
ID=54286358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520365436.0U Expired - Fee Related CN204706763U (en) | 2015-06-01 | 2015-06-01 | A kind of device printing laser crystal cooling heat sink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204706763U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821477A (en) * | 2015-06-01 | 2015-08-05 | 中国工程物理研究院激光聚变研究中心 | Device for printing laser crystal cooling heat sinks and method thereof |
| CN108871217A (en) * | 2017-05-12 | 2018-11-23 | 约克广州空调冷冻设备有限公司 | Fin pitch of fins measuring system and measurement method |
-
2015
- 2015-06-01 CN CN201520365436.0U patent/CN204706763U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821477A (en) * | 2015-06-01 | 2015-08-05 | 中国工程物理研究院激光聚变研究中心 | Device for printing laser crystal cooling heat sinks and method thereof |
| CN104821477B (en) * | 2015-06-01 | 2018-05-25 | 中国工程物理研究院激光聚变研究中心 | A kind of device and method for printing laser crystal cooling heat sink |
| CN108871217A (en) * | 2017-05-12 | 2018-11-23 | 约克广州空调冷冻设备有限公司 | Fin pitch of fins measuring system and measurement method |
| CN108871217B (en) * | 2017-05-12 | 2024-05-07 | 约克广州空调冷冻设备有限公司 | Fin spacing measurement system and measurement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20160601 |