CN208532932U - A kind of laser melting-painting nozzle - Google Patents
A kind of laser melting-painting nozzle Download PDFInfo
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- CN208532932U CN208532932U CN201821105871.XU CN201821105871U CN208532932U CN 208532932 U CN208532932 U CN 208532932U CN 201821105871 U CN201821105871 U CN 201821105871U CN 208532932 U CN208532932 U CN 208532932U
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- nozzle
- matrix
- laser melting
- cooling water
- painting
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Abstract
The utility model relates to laser melting and coating technique fields, especially a kind of laser melting-painting nozzle, including nozzle body, the nozzle body is split type structure, the nozzle body is made of nozzle matrix and nozzle, the nozzle is mounted on the end of nozzle matrix, cooling water chamber is fixedly connected on the outside of the nozzle matrix, cooling water injects cooling water chamber by cooling water pipe, the utility model can solve the problem of laser melting-painting nozzle is easy stifled powder in the prior art, the service life of melting-painting nozzle is improved, later maintenance cost is reduced.
Description
Technical field
The utility model relates to laser melting and coating technique field, specific field is a kind of laser melting-painting nozzle.
Background technique
Laser melting and coating technique be by substrate surface add cladding material, and using the laser beam of high-energy-density be allowed to
The method of substrate surface consolidation together, formed in substrate surface be with it metallurgical bonding filling cladding layer, so as to improve matrix
The process of material surface property.
Traditional laser melting-painting nozzle is monolithic construction, and the melting-painting nozzle of monolithic construction does not have water cooling function, gold
It is high to belong to powder temperature, is easy stifled powder, easily causes equipment damage；In addition laser melting coating can generate biggish heat and laser emission,
The end of nozzle is influenced by heat larger, after working long hours, will cause the powder retention flowed in powder feeding pipeline and blocks nozzle bore
Nozzle matrix is caused to damage, to need replacing nozzle, the melting-painting nozzle replacement cost of monoblock type is high.
Utility model content
The purpose of this utility model is to provide a kind of laser melting-painting nozzles, to solve laser melting-painting nozzle in the prior art
The problem of being easy stifled powder.
To achieve the above object, the utility model provides the following technical solutions: a kind of laser melting-painting nozzle, including nozzle sheet
Body, the nozzle body are split type structure, and the nozzle body is made of nozzle matrix and nozzle, and the nozzle is mounted on spray
The end of mouth matrix, the nozzle matrix outside are fixedly connected with cooling water chamber, and cooling water injects cooling water by cooling water pipe
Room.
Preferably, the nozzle matrix is hollow structure, and laser beam passes through the hollow space of nozzle matrix to metallic matrix
Carry out laser melting coating.
Preferably, the nozzle matrix be equipped with powder feeding channel, the powder feeding channel respectively with powder feeding pipeline and nozzle base
The hollow space of body is connected to, and deposited metals powder enters powder feeding channel by powder feeding pipeline.
Preferably, the nozzle matrix is equipped with protective gas channel, and the protective gas channel is inputted with gas respectively
Pipeline is connected to the hollow space of nozzle matrix, and protective gas enters protective gas channel by gas inlet pipe road.
It preferably, further include transit joint, the transit joint is threadedly coupled with the nozzle matrix.
Preferably, sealing ring is equipped between the transit joint and nozzle matrix.
Preferably, the cooling water chamber and nozzle matrix are integrally welded.
Compared with prior art, the utility model has the beneficial effects that it is welded with cooling water chamber on the outside of nozzle matrix, it can be with
Nozzle matrix is cooled down, cladding powder is made not to be blocked in nozzle bore, improves the service life of melting-painting nozzle；Nozzle sheet
Body is split type structure, and when spray nozzle clogging damage, replacement can be cleared up by unscrewing nozzle, and disassembly installation is all very convenient, safeguard at
This is low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1 gas inlet pipe road, 2 transit joints, 3 sealing rings, 4 cooling water pipes, 5 powder feeding pipelines, 6 nozzle matrix, 7
Cooling water chamber, 8 nozzles.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of laser melting-painting nozzle, including nozzle body, spray
Mouth ontology is split type structure, and nozzle body is made of nozzle matrix 6 and nozzle 8, and nozzle 8 is mounted on the end of nozzle matrix 6,
Cooling water chamber 7 is fixedly connected on the outside of nozzle matrix 6, in the present embodiment, cooling water chamber 7 and nozzle matrix 6 are integrally welded,
Cooling water injects cooling water chamber 7 by cooling water pipe 4, which connect with laser, and laser is sharp for generating
Light beam, the laser beam that laser generates pass through the laser melting-painting nozzle, will be sprayed onto the fusion of metal powder shape of metal base surface
At the molten bath of certain shapes and size, thus in metal base surface cladding one layer have specific physical, chemistry or mechanical property
The metal coating of energy generates biggish heat and radiation, cooling water chamber 7 can be in time to nozzle when laser passes through nozzle matrix 6
Matrix 6 cools down, and metal powder is prevented to be detained and block；In the present invention, nozzle matrix 6 and nozzle 8 pass through screw thread
Connection, when nozzle 8, which blocks, to be damaged, replacement can be cleared up by unscrewing nozzle 8, and disassembly installation is all very convenient, and maintenance cost is low.
Specifically, nozzle matrix 6 be hollow structure, laser beam pass through nozzle matrix 6 hollow space to metallic matrix into
Row laser melting coating, nozzle matrix 6 are equipped with powder feeding channel, the powder feeding channel hollow portion with powder feeding pipeline 5 and nozzle matrix 6 respectively
Divide connection, deposited metals powder enters powder feeding channel by powder feeding pipeline 5, and wherein powder feeding pipeline 5 and nozzle matrix 6 pass through screw thread
Connection；Nozzle matrix 6 is equipped with protective gas channel, protective gas channel respectively with gas inlet pipe road 1 and nozzle matrix 6
Hollow space connection, protective gas enter protective gas channel by gas inlet pipe road 1, and wherein gas inlet pipe road 1 passes through
Threaded engagement is in nozzle matrix 6.
Further, the laser melting coating spray head in the application further includes transit joint 2, which is set to nozzle
Between matrix 6 and laser (not shown), which is equipped with the external screw thread cooperation outside internal screw thread, with nozzle matrix 6,
Be mounted on the end of nozzle matrix 6, in other embodiments, transit joint 2 and nozzle matrix 6 can also be connect using screw or
Person snaps connection, and is not limited to be threadedly coupled.
Preferably, it is equipped with sealing ring 3 between transit joint 2 and nozzle matrix 6, is used for transit joint 2 and nozzle matrix 6
Between sealing.
A kind of installation method of laser melting coating spray head provided by the present application: transit joint 2 and nozzle matrix 6 are passed through first
It is threadedly coupled, centre is sealed using sealing ring 3, and gas inlet pipe road 1 and powder feeding pipeline 5 are then fixed on nozzle matrix respectively
On 6, cooling water chamber 7 is welded on one entirety of formation on nozzle matrix 6, finally connects nozzle 8 and nozzle matrix 6 by screw thread
It connects.
A kind of laser melting-painting nozzle provided by the utility model is welded with cooling water chamber 7 on the outside of nozzle matrix 6, cooling
Water chamber 7 can cool down nozzle matrix 6, so that cladding powder is not blocked in 8 hole of nozzle, improve the use of melting-painting nozzle
Service life；Nozzle body is split type structure, and when nozzle 8, which blocks, to be damaged, replacement can be cleared up by unscrewing nozzle 8, and disassembly installation is all
Easily, maintenance cost is low.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of laser melting-painting nozzle, including nozzle body, it is characterised in that: the nozzle body is split type structure, described
Nozzle body is made of nozzle matrix (6) and nozzle (8), and the nozzle (8) is mounted on the end of nozzle matrix (6), the spray
It is fixedly connected with cooling water chamber (7) on the outside of mouth matrix (6), cooling water passes through cooling water pipe (4) injection cooling water chamber (7).
2. a kind of laser melting-painting nozzle according to claim 1, it is characterised in that: the nozzle matrix (6) is hollow knot
Structure, the hollow space that laser beam passes through nozzle matrix (6) carry out laser melting coating to metallic matrix.
3. a kind of laser melting-painting nozzle according to claim 2, it is characterised in that: the nozzle matrix (6) is equipped with and send
Powder channel, the powder feeding channel are connected to the hollow space of powder feeding pipeline (5) and nozzle matrix (6) respectively, deposited metals powder
Enter powder feeding channel by powder feeding pipeline (5).
4. a kind of laser melting-painting nozzle according to claim 2, it is characterised in that: the nozzle matrix (6), which is equipped with, protects
Gas passage is protected, the protective gas channel is connected to the hollow space of gas inlet pipe road (1) and nozzle matrix (6) respectively,
Protective gas enters protective gas channel by gas inlet pipe road (1).
5. a kind of laser melting-painting nozzle according to claim 1, it is characterised in that: further include transit joint (2), the mistake
Connector (2) is crossed to be threadedly coupled with the nozzle matrix (6).
6. a kind of laser melting-painting nozzle according to claim 5, it is characterised in that: the transit joint (2) and nozzle base
Sealing ring (3) are equipped between body (6).
7. a kind of laser melting-painting nozzle according to claim 1, it is characterised in that: the cooling water chamber (7) and nozzle base
Body (6) is integrally welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821105871.XU CN208532932U (en) | 2018-07-13 | 2018-07-13 | A kind of laser melting-painting nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821105871.XU CN208532932U (en) | 2018-07-13 | 2018-07-13 | A kind of laser melting-painting nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208532932U true CN208532932U (en) | 2019-02-22 |
Family
ID=65388337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821105871.XU Active CN208532932U (en) | 2018-07-13 | 2018-07-13 | A kind of laser melting-painting nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208532932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690929A (en) * | 2020-07-01 | 2020-09-22 | 齐鲁工业大学 | Laser cladding head |
| CN113416954A (en) * | 2021-07-02 | 2021-09-21 | 湘潭大学 | Laser cladding nozzle with real-time self-cleaning function and laser cladding equipment |
-
2018
- 2018-07-13 CN CN201821105871.XU patent/CN208532932U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111690929A (en) * | 2020-07-01 | 2020-09-22 | 齐鲁工业大学 | Laser cladding head |
| CN111690929B (en) * | 2020-07-01 | 2022-03-29 | 齐鲁工业大学 | Laser cladding head |
| CN113416954A (en) * | 2021-07-02 | 2021-09-21 | 湘潭大学 | Laser cladding nozzle with real-time self-cleaning function and laser cladding equipment |
| CN113416954B (en) * | 2021-07-02 | 2023-07-25 | 湘潭大学 | Laser cladding nozzle with real-time self-cleaning function and laser cladding equipment |
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