CN208455063U - A kind of laser powder-supplying spray head and laser processing device - Google Patents
A kind of laser powder-supplying spray head and laser processing device Download PDFInfo
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- CN208455063U CN208455063U CN201821034290.1U CN201821034290U CN208455063U CN 208455063 U CN208455063 U CN 208455063U CN 201821034290 U CN201821034290 U CN 201821034290U CN 208455063 U CN208455063 U CN 208455063U
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Abstract
The utility model relates to technical field of laser processing more particularly to a kind of laser powder-supplying spray heads and laser processing device.Laser powder-supplying spray head provided by the utility model includes nozzle body, inner core and cooling duct.Wherein, inner core is plugged in nozzle body, offers helical form cooling bath on the inner wall of nozzle body and/or the outer wall of inner core, and helical form cooling duct is formed between the inner wall of nozzle body and the outer wall of inner core.Helical form cooling bath in the utility model facilitates processing, spiral helicine cooling duct is formed between the inner wall of nozzle body and the outer wall of inner core, simplifies the processing technology of cooling duct, is avoided using complicated mold, processing cost can be reduced, and improves production efficiency.
Description
Technical field
The utility model relates to technical field of laser processing more particularly to a kind of laser powder-supplying spray heads and laser processing device
It sets.
Background technique
Laser melting coating is a kind of new process for modifying surface, it utilizes height by adding cladding material in substrate surface
Can the laser beam of density be allowed to the rapidly solidification together with substrate surface thin layer, substrate surface formed it is mutually being merged with substrate and
Alloy clad with entirely different ingredient performance.Currently, mainly having fore-put powder method and synchronous powder feeding system in laser melting and coating technique
Method.Although fore-put powder method can be with large area cladding, the cladding layer produced is easy to produce stomata, deformation, cracks and fall off
The defects of, and preset powder poor thermal conductivity, need laser that there is very big energy.Synchronous powder feeding system method is divided into lateral powder feeding again
And coaxial powder-feeding.Lateral powder feeding refers to the side installation powder-feeding nozzle of laser beam, but lateral powder feeding has directionality, Zhi Nengyong
Cladding in two-dimentional track is not suitable for the complex three-dimensionals such as round, rectangular track.Coaxial powder-feeding can satisfy different complex parts
Manufacture, do not have directive limitation, so the method that present laser melting coating mostly uses greatly coaxial powder-feeding.
Laser powder-supplying spray head and water cooling plant are the important components of coaxial powder-feeding laser cladding equipment, and Fig. 1 is the prior art
The structural schematic diagram of 1 ' of laser powder-supplying spray head and 2 ' of water cooling plant of offer.As shown in Figure 1, laser powder feeding spray in the prior art
First 1 ' is assemblied together again after respectively shaping with 2 ' of water cooling plant, wherein spiral helicine 3 ' of cooling duct is straight on 2 ' of water cooling plant
It connects and is formed in the main body of 2 ' of water cooling plant, specifically, passing through casting mould costly and the casting core that can be melted
Realize the forming of spiral helicine 3 ' of cooling duct, so the 3 ' difficulty of processing of cooling duct of 2 ' of existing water cooling plant is big, processing
At high cost, production efficiency is low.
Utility model content
One of the utility model is designed to provide a kind of laser powder-supplying spray head, the processing technology of the laser powder-supplying spray head
Simply, processing cost is low, and high production efficiency.
Another of the utility model is designed to provide a kind of laser processing device, is sprayed by the above-mentioned laser powder feeding of application
Head reduces processing cost, improves production efficiency.
To achieve the above object, the following technical schemes are provided:
A kind of laser powder-supplying spray head, comprising:
Nozzle body；Inner core is plugged in the nozzle body；And cooling duct, the inner wall of the nozzle body and/
Or helical form cooling bath is offered on the outer wall of the inner core, between the inner wall of the nozzle body and the outer wall of the inner core
Form the cooling duct.
Further, the laser powder-supplying spray head further include: powder feeding channel is provided in the nozzle body, described to send
The quantity in powder channel is at least four groups.
Further, at least powder feeding channel described in four groups is circumferentially uniform centered on the axis of the laser powder-supplying spray head
Distribution.
Further, the laser powder-supplying spray head further include: powder feeding pipe fitting is connected with the powder feeding channel.
Further, laser channeling is offered on the laser powder-supplying spray head, the laser channeling axially penetrates through in described
The inside of core and the nozzle body.
Further, the laser powder-supplying spray head further include: protection pneumatic module is connected with the laser channeling.
Further, the inside of the inner core offers caching chamber, and the protection pneumatic module passes through the caching chamber and institute
Laser channeling is stated to be connected.
Further, the inner core is internally provided with several intercommunicating pores, the both ends of each intercommunicating pore respectively with institute
Caching chamber is stated to be connected with the laser channeling.
Further, several intercommunicating pores are uniformly distributed circumferentially centered on the axis of the laser powder-supplying spray head.
A kind of laser processing device, including laser powder-supplying spray head as described above.
Compared with prior art, the utility model has the following beneficial effects:
Laser powder-supplying spray head provided by the utility model includes nozzle body, inner core and cooling duct.Wherein, inner core is inserted
It connects in nozzle body, helical form cooling bath is offered on the inner wall of nozzle body and/or the outer wall of inner core, in nozzle body
Inner wall and inner core outer wall between formed helical form cooling duct.Helical form cooling bath in the utility model facilitates processing,
Spiral helicine cooling duct is formed between the inner wall of nozzle body and the outer wall of inner core, simplifies the processing work of cooling duct
Skill avoids that processing cost can be reduced, and improve production efficiency using complicated mold.
Laser processing device provided by the utility model can be reduced and be processed by applying above-mentioned laser powder-supplying spray head
This, improves production efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the laser powder-supplying spray head that the prior art provides and water cooling plant；
Fig. 2 is the perspective view of the explosion of laser powder-supplying spray head provided by the utility model；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the cross-sectional view in Fig. 3 at A-A；
Fig. 5 is the cross-sectional view in Fig. 3 at B-B.
Appended drawing reference:
1 '-laser powder-supplying spray head；2 '-water cooling plant；The cooling duct 3 '-；
100- laser powder-supplying spray head；
1- nozzle body；2- inner core；The cooling duct 3-；4- fluid inlet joint；5- fluid outlet connection；6- powder feeding pipe connects
Head；7- laser channeling；8- protects pneumatic module；
11- powder feeding channel；21- cooling bath；22- caches chamber；23- intercommunicating pore.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the present embodiment, with reference to the accompanying drawing and pass through tool
Body embodiment further illustrates the technical solution of the present embodiment.
Laser melting coating is a kind of new process for modifying surface, it utilizes height by adding cladding material in substrate surface
Can the laser beam of density be allowed to the rapidly solidification together with substrate surface thin layer, substrate surface formed it is mutually being merged with substrate and
Alloy clad with entirely different ingredient performance.
As shown in figs. 2 to 4, laser powder-supplying spray head 100 provided in this embodiment includes nozzle body 1, inner core 2 and cooling
Channel 3, nozzle body 1 are used to provide powder raw material for laser melting coating, and inner core 2 is used to provide protection gas for laser melting coating, cooling
Channel 3 is for cooling down laser powder-supplying spray head 100.Wherein, inner core 2 can be plugged in nozzle body 1, be opened up on the outer wall of inner core 2
There is helical form cooling bath 21, is formed between the helical form cooling bath 21 on 2 outer wall of inner wall and inner core of nozzle body 1 cooling logical
Road 3.Helical form cooling bath 21 in the present embodiment can be processed by plain modes such as Milling Process, electrical discharge machinings,
Spiral helicine cooling duct 3 is formed between spiral helicine cooling bath 21 and the inner wall of nozzle body 1, simplifies cooling duct 3
Processing technology, avoid that processing cost can be reduced, and improve production efficiency using complicated mold.
In other embodiments, it can also be and offer helical form cooling bath on the inner wall of nozzle body 1, in spray head master
Helical form cooling duct 3 is formed on the inner wall of body 1 between spiral helicine cooling bath and the outer wall of inner core 2, can also play above-mentioned skill
Art effect.
In other embodiments, helical form can also be offered on the inner wall of nozzle body 1 and the outer wall of inner core 2 simultaneously
Cooling bath forms helical form cooling duct 3 between the inner wall of nozzle body 1 and the outer wall of inner core 2, can also play above-mentioned technology
Effect.
Illustratively, the nozzle body 1 in the present embodiment can be connected with inner core 2 by fastener, and fastener can be with
It is screw, bolt and nut component or pin etc..
Specifically, laser powder-supplying spray head 100 provided in this embodiment further includes that fluid inlet joint 4 and fluid outlet connect
First 5, one end of cooling duct 3 is connected with fluid inlet joint 4, and the other end is connected with fluid outlet connection 5, and fluid is from stream
Body inlet union 4 enter cooling duct 3, laser powder-supplying spray head 100 is cooled down from top to bottom along cooling duct 3, finally from
Fluid outlet connection 5 flows back to cooling system, and cooling duct 3 is helical form, increases the length of fluid path, improves to laser
The cooling effect of powder-supplying spray head 100.Specifically, the fluid in the present embodiment, which can be water, freon etc., can be realized cooling
Fluid.
Fig. 5 is the cross-sectional view in Fig. 3 at B-B.As shown in connection with fig. 3 such as Fig. 5, laser powder-supplying spray head provided in this embodiment
100 further include the powder feeding channel 11 being provided in nozzle body 1, and the quantity in the powder feeding channel 11 is four groups, compared with one group, two groups or
The scheme that three groups of person is compared, and can effectively improve powder feeding efficiency.Specifically, four groups of powder feeding channels 11 are with laser powder-supplying spray head
It is uniformly distributed circumferentially centered on 100 axis, to guarantee the uniformity of powder conveying, improves Laser Cladding Quality.
Specifically, laser powder-supplying spray head 100 provided in this embodiment further includes powder feeding pipe fitting 6, powder feeding pipe fitting 6 with
Powder feeding channel 11 is connected.Powder feeding channel 11 is connected by powder feeding pipe fitting 6 with extraneous dust feeder (not shown), is led to
The adjusting that powder feeding pipe fitting 6 realizes powder sending quantity is overregulated, realizes being precisely controlled for powder sending quantity, so that powder feeding is more uniform, is improved
The utilization rate of powder.
Illustratively, it is offered on laser powder-supplying spray head 100 provided in this embodiment and axially penetrates through inner core 2 and nozzle body
Laser channeling 7 inside 1, laser channeling 7 is to assemble laser equipment (not shown).Due to laser provided in this embodiment
Powder-supplying spray head 100 is detachably connected with laser equipment, when laser powder-supplying spray head 100 damages, only replaces laser powder-supplying spray head
100, reduce maintenance cost.
As shown in connection with fig. 2 such as Fig. 5, laser powder-supplying spray head 100 provided in this embodiment further includes protection pneumatic module 8, protection
Pneumatic module 8 is connected with laser channeling 7, and protection pneumatic module 8 is used to convey protection gas to laser channeling 7.On the one hand, can swash
Protection avoids the powder of melting from being oxidized by the powder of laser melting when light cladding；On the other hand, it is arranged in laser channeling useful
In the laser focusing mirror (not shown) of light convergence, protection gas can also be used to protect laser focusing mirror, make laser focusing
Mirror avoids being polluted by powder or slag.Specifically, protective gas can be the inert gases such as argon gas.
In addition, the inside of inner core 2 offers caching chamber 22, caching chamber 22 is connected with laser channeling 7, protects pneumatic module 8
Extraneous protection device of air (not shown) is connected, protection gas is delivered to caching chamber 22, caching chamber 22 can be to cache
Gas is protected, when protecting pneumatic module 8 intermittent pause occur, caching chamber 22 can provide the guarantor of lasting conveying for laser channeling 7
Gas is protected, that realizes protection gas stablizes supply.Specifically, inner core 2 is internally provided with several intercommunicating pores 23, each intercommunicating pore 23
Both ends respectively with caching chamber 22 and laser channeling 7 be connected.Illustratively, several intercommunicating pores 23 are with laser powder-supplying spray head 100
Axis can be uniformly distributed circumferentially centered on so that protection gas from surrounding enter, realize protection gas supply uniformity.
The working principle of laser powder-supplying spray head 100 in the present embodiment is:
Cooling process: fluid inlet joint 4 and fluid outlet connection 5 connect extraneous cooling device (not shown), and
Cooling fluid is passed through cooling duct 3, to cool down laser powder-supplying spray head 100 when laser powder-supplying spray head 100 works.
Laser melting coating process: dust feeder (not shown) conveys powder using gas-powered, and powder successively passes through
Powder feeding pipe fitting 6 and powder feeding channel 11 are realized that powder is transported to the bottom of laser powder-supplying spray head 100, are provided for laser melting coating
Raw material.The laser that laser equipment issues carries out laser melting coating by the powder melts of 100 bottom of laser powder-supplying spray head, and then to substrate
Processing.
Protection gas process: the protection gas that protection device of air (not shown) provides passes sequentially through caching chamber 22, intercommunicating pore
23 enter laser channeling 7, when laser powder-supplying spray head 100 works, come out from the bottom of laser powder-supplying spray head 100, molten to protect
Powder after melting guarantees good Laser Cladding Treatment effect.
Laser processing device provided by the utility model can be reduced and be processed by applying above-mentioned laser powder-supplying spray head
This, improves production efficiency.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of laser powder-supplying spray head (100) characterized by comprising
Nozzle body (1)；
Inner core (2) is plugged in the nozzle body (1)；And
It is cooling that helical form is offered on cooling duct (3), the inner wall of the nozzle body (1) and/or the outer wall of the inner core (2)
Slot forms the cooling duct (3) between the inner wall of the nozzle body (1) and the outer wall of the inner core (2).
2. laser powder-supplying spray head (100) according to claim 1, which is characterized in that the laser powder-supplying spray head (100) is also
Include:
Powder feeding channel (11) is provided on the nozzle body (1), and the quantity of the powder feeding channel (11) is at least four groups.
3. laser powder-supplying spray head (100) according to claim 2, which is characterized in that at least powder feeding channel described in four groups
(11) it is uniformly distributed circumferentially centered on the axis of the laser powder-supplying spray head (100).
4. laser powder-supplying spray head (100) according to claim 3, which is characterized in that the laser powder-supplying spray head (100) is also
Include:
Powder feeding pipe fitting (6) is connected with the powder feeding channel (11).
5. laser powder-supplying spray head (100) according to any one of claims 1 to 4, which is characterized in that the laser powder feeding spray
It is offered laser channeling (7) on head (100), the laser channeling (7), which axially penetrates through, to be arranged in the inner core (2) and the spray head
The inside of main body (1).
6. laser powder-supplying spray head (100) according to claim 5, which is characterized in that the laser powder-supplying spray head (100) is also
Include:
It protects pneumatic module (8), is connected with the laser channeling (7).
7. laser powder-supplying spray head (100) according to claim 6, which is characterized in that the inside of the inner core (2) offers
It caches chamber (22), the protection pneumatic module (8) is connected by the caching chamber (22) with the laser channeling (7).
8. laser powder-supplying spray head (100) according to claim 7, which is characterized in that inner core (2) are internally provided with
Several intercommunicating pores (23), the both ends of each intercommunicating pore (23) respectively with the caching chamber (22) and the laser channeling (7)
It is connected.
9. laser powder-supplying spray head (100) according to claim 8, which is characterized in that several intercommunicating pores (23) are with institute
It states and is uniformly distributed circumferentially centered on the axis of laser powder-supplying spray head (100).
10. a kind of laser processing device, which is characterized in that including laser powder-supplying spray head as described in any one of claims 1 to 9
(100)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821034290.1U CN208455063U (en) | 2018-07-02 | 2018-07-02 | A kind of laser powder-supplying spray head and laser processing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821034290.1U CN208455063U (en) | 2018-07-02 | 2018-07-02 | A kind of laser powder-supplying spray head and laser processing device |
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| Publication Number | Publication Date |
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| CN208455063U true CN208455063U (en) | 2019-02-01 |
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| CN201821034290.1U Active CN208455063U (en) | 2018-07-02 | 2018-07-02 | A kind of laser powder-supplying spray head and laser processing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231739A (en) * | 2021-07-13 | 2021-08-10 | 岗春激光科技（江苏）有限公司 | Lens assembly and laser welding head |
-
2018
- 2018-07-02 CN CN201821034290.1U patent/CN208455063U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113231739A (en) * | 2021-07-13 | 2021-08-10 | 岗春激光科技（江苏）有限公司 | Lens assembly and laser welding head |
| CN113231739B (en) * | 2021-07-13 | 2021-09-28 | 岗春激光科技（江苏）有限公司 | Lens assembly and laser welding head |
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