CN216607242U - Cladding nozzle for additive manufacturing - Google Patents
Cladding nozzle for additive manufacturing Download PDFInfo
- Publication number
- CN216607242U CN216607242U CN202123384953.7U CN202123384953U CN216607242U CN 216607242 U CN216607242 U CN 216607242U CN 202123384953 U CN202123384953 U CN 202123384953U CN 216607242 U CN216607242 U CN 216607242U
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- Prior art keywords
- nozzle
- cladding
- additive manufacturing
- nozzle main
- main body
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- 238000005253 cladding Methods 0.000 title claims abstract description 24
- 239000000654 additive Substances 0.000 title claims abstract description 18
- 230000000996 additive effect Effects 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims description 13
- 230000008093 supporting effect Effects 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 6
- 125000003003 spiro group Chemical group 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 abstract description 9
- 230000008859 change Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000004372 laser cladding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Laser Beam Processing (AREA)
Abstract
The utility model provides a cladding nozzle for additive manufacturing, which relates to the technical field of cladding nozzles, and comprises a nozzle main body, wherein four powder outlet channels are arranged in the nozzle main body, the tops of the four powder outlet channels extend and converge at one point and are positioned on the central axis of the nozzle main body, water cooling channels are arranged in the nozzle main body and between the four powder outlet channels, a nozzle pipe is arranged in the powder outlet channels, annular bulges are arranged at the positions, close to the end parts, of the outer walls of the nozzle pipe, end grooves matched with the bulges are arranged at the bottoms of the powder outlet channels, the cladding nozzle for additive manufacturing can be connected with the nozzle main body, the nozzle pipe can be damaged to a certain extent after long-time work, the nozzle pipe can be directly replaced, the nozzle main body is not required to be disassembled, the deviation of powder outlet quantity is reduced, the processing quality is improved, a large amount of heat can be taken away through circulating cooling water of the water cooling channels, the influence of the heat generated by the laser on the nozzle can be reduced.
Description
Technical Field
The utility model relates to the technical field of cladding nozzles, in particular to a cladding nozzle for additive manufacturing.
Background
Laser cladding, also known as laser cladding or laser cladding, is a new surface modification technique. The method is characterized in that a cladding material is added on the surface of a base material, and the cladding material and a thin layer on the surface of the base material are fused together by utilizing a laser beam with high energy density, so that a cladding layer which is metallurgically bonded with the base layer is formed on the surface of the base layer.
In the laser cladding process, laser reaches the surface of a workpiece through a nozzle. The nozzle is easy to damage due to heat generated by laser, so that the powder output amount is easy to deviate, and the thickness of a molten layer is uneven; and the replacement of the integral nozzle easily causes deviation at the confluence of the laser beam and the powder. The coaxial four-beam powder feeding nozzle is provided for the situation.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a cladding nozzle for additive manufacturing, which solves the problems that the nozzle is easy to damage due to heat generated by laser, so that the powder output amount is easy to deviate, and the thickness of a cladding layer is uneven; and the replacement of the integral nozzle easily causes the problem of deviation at the confluence of the laser beam and the powder.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an additive manufacturing is with cladding nozzle, includes the nozzle main part, the inside of nozzle main part is equipped with four play powder passageways, and the top extension of four play powder passageways assembles in a bit and is located the axis of nozzle main part, and the inside of nozzle main part just is located four play powder passageways and is equipped with the water-cooling passageway, the inside of going out the powder passageway is equipped with the nozzle pipe, and the nozzle pipe outer wall is close to tip department and is equipped with annular arch, and the bottom of going out the powder passageway is equipped with the end groove with protruding looks adaptation, and the below of end groove is equipped with the solid subassembly that supports of fixed nozzle pipe.
Further, support solid subassembly including stretching into the end inslot and supporting the piece of the protruding below of contradicting, the below of supporting the piece is connected with the bracing piece, the below of bracing piece is connected with solid fixed ring, the screw rod that runs through solid fixed ring is installed to the bottom of nozzle main part, the outer wall of screw rod and the bottom threaded connection who is located solid fixed ring have the spiro ring, support the arch of nozzle pipe through supporting the piece, can fix four nozzle pipes simultaneously, only need down the spiro ring messenger to support the piece and shift out the end slot when changing the nozzle pipe that damages, can take out the nozzle pipe, and is simple and convenient to operate, be convenient for to four nozzle pipe synchronous processes, do benefit to and improve change efficiency.
Further, the bottom of nozzle main part is installed with nozzle main part axial direction parallel's prevent slow-witted pole, gu the inside of fixed ring set up with prevent slow-witted pole looks adaptation the opening, can align four pieces and nozzle pipe through preventing slow-witted pole, the change operation of the nozzle pipe of being convenient for.
Furthermore, the water-cooling channel is arranged in the nozzle body in a double-spiral manner, a water inlet and a water outlet of the water-cooling channel are arranged on one side of the nozzle body in parallel, and cooling water enters the double-spiral water-cooling channel through the water inlet and then is discharged from the water outlet.
Furthermore, the abutting block is in an inclined semi-arc shape, so that the contact area between the abutting block and the nozzle pipe can be increased, and the supporting effect is improved.
(III) advantageous effects
The utility model provides a cladding nozzle for additive manufacturing. The method has the following beneficial effects:
1. this cladding nozzle for additive manufacturing passes through the water-cooling passageway that the water inlet got into in the nozzle main part through recirculated cooling water, flows from the outlet, and when laser passed through the nozzle center, a large amount of heats can be taken away to the recirculated cooling water of water-cooling passageway, and the influence of the heat that reducible laser produced to the nozzle.
2. This cladding nozzle for additive manufacturing, nozzle pipe can be connected with the nozzle main part, and after long-time work, nozzle pipe can cause certain damage, can directly change nozzle pipe, needn't dismantle the nozzle main part, and then reduce the deviation of powder output, improve processingquality.
3. This cladding nozzle for additive manufacturing supports the arch of nozzle pipe through propping the piece, can fix four nozzle pipes simultaneously, only needs the spiral ring of whirling down when changing the nozzle pipe of damage to make to prop the piece and shift out the end groove, can take out the nozzle pipe, and is easy and simple to handle, is convenient for do benefit to improving change efficiency to four nozzle pipe synchronous processing.
4. This cladding nozzle for additive manufacturing can align four blocks and nozzle pipe fast through preventing slow-witted pole, is convenient for nozzle pipe's change operation.
Drawings
FIG. 1 is a longitudinal cross-sectional view of a nozzle body of the present invention.
FIG. 2 is a transverse cross-sectional view of the nozzle body of the present invention.
FIG. 3 is a schematic view of the structure of a nozzle tube according to the present invention.
FIG. 4 is a top view of the retaining assembly of the present invention.
In the figure: 1. a nozzle body; 2. a powder outlet channel; 3. a water-cooling channel; 4. a nozzle tube; 5. a protrusion; 6. a resisting block; 7. A support bar; 8. a fixing ring; 9. a screw; 10. a spiro ring; 11. fool-proof rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the utility model provides a cladding nozzle for additive manufacturing, which comprises a nozzle main body 1, as shown in fig. 1-4, four powder outlet channels 2 are arranged inside the nozzle main body 1, the tops of the four powder outlet channels 2 extend and converge at one point and are positioned on the central axis of the nozzle main body 1, a water cooling channel 3 is arranged inside the nozzle main body 1 and between the four powder outlet channels 2, the water cooling channel 3 is arranged inside the nozzle main body 1 in a double-helix shape, a water inlet and a water outlet of the water cooling channel 3 are arranged on one side of the nozzle main body 1 in parallel, cooling water enters the double-helix water cooling channel 3 through the water inlet and then is discharged from the water outlet, circulating cooling water enters the water cooling channel 3 in the nozzle main body 1 through the water inlet and flows out of a water outlet, when laser passes through the center of the nozzle, the circulating cooling water of the water cooling channel 3 can take away a large amount of heat, and the influence of the heat generated by the laser on the nozzle can be reduced, go out powder passageway 2's inside and be equipped with nozzle pipe 4, and nozzle pipe 4 outer wall is close to tip department and is equipped with annular arch 5, and nozzle pipe 4 can be connected with nozzle body 1, and after long-time work, nozzle pipe 4 can cause certain damage, can directly change nozzle pipe 4, needn't dismantle nozzle body 1, and the bottom of going out powder passageway 2 is equipped with the end groove with protruding 5 looks adaptations, and the below of end groove is equipped with the solid subassembly of supporting of fixed nozzle pipe 4.
The abutting component comprises an abutting block 6 extending into an end groove and abutting against the lower part of a bulge 5, the abutting block 6 is in an inclined semi-arc shape, the contact area between the abutting block 6 and the nozzle pipe 4 can be increased, the supporting effect is improved, a supporting rod 7 is connected below the abutting block 6, a fixing ring 8 is connected below the supporting rod 7, a screw rod 9 penetrating through the fixing ring 8 is installed at the bottom of the nozzle main body 1, a spiral ring 10 is in threaded connection with the outer wall of the screw rod 9 and the bottom of the fixing ring 8, the bulge 5 of the nozzle pipe 4 is supported by the abutting block 6, the four nozzle pipes 4 can be fixed at the same time, when a damaged nozzle pipe 4 is replaced, the abutting block 6 can be moved out of the end groove only by downwards screwing the spiral ring 10, the nozzle pipe 4 can be taken out, the operation is simple and convenient, the four nozzle pipes 4 are synchronously processed, the replacement efficiency is improved, a fool-proof rod 11 which is axially parallel to the nozzle main body 1 is installed at the bottom of the nozzle main body 1, the opening that with prevent slow-witted pole 11 looks adaptation is seted up to solid fixed ring 8's inside, can be fast through preventing slow-witted pole 11 with four support block 6 and nozzle tube 4 alignment, the change operation of nozzle tube 4 of being convenient for.
The working principle is as follows: during the use, recirculated cooling water passes through water inlet entering nozzle body 1 in water-cooling channel 3, flow from the outlet, when laser passes through the nozzle center, a large amount of heats can be taken away to water-cooling channel 3's recirculated cooling water, the influence of the heat that the reducible laser produced is to the nozzle, nozzle pipe 4 can be connected with nozzle body 1, after long-time work, nozzle pipe 4 can cause certain damage, can directly change nozzle pipe 4, needn't dismantle nozzle body 1, support piece 6 and support the arch 5 of nozzle pipe 4, can fix four nozzle pipes 4 simultaneously, only need down spiral ring 10 to make when changing damaged nozzle pipe 4 and support piece 6 and shift out the end groove, can take out nozzle pipe 4, and is easy and simple to handle, be convenient for to four nozzle pipes 4 synchronous processing, do benefit to the improvement and change efficiency.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A cladding nozzle for additive manufacturing comprises a nozzle body (1) and is characterized in that: the inside of nozzle main part (1) is equipped with four play powder passageways (2), and the top of four play powder passageways (2) extends to assemble on the axis of a little and being located nozzle main part (1), and the inside of nozzle main part (1) just is located four play powder passageways (2) and is equipped with water-cooling passageway (3), the inside of going out powder passageway (2) is equipped with nozzle pipe (4), and nozzle pipe (4) outer wall is close to tip department and is equipped with annular arch (5), and the bottom of going out powder passageway (2) is equipped with the end groove with protruding (5) looks adaptation, and the below in end groove is equipped with the solid subassembly that supports of fixed nozzle pipe (4).
2. Cladding nozzle for additive manufacturing according to claim 1, characterized in that: support solid subassembly including stretching into end inslot and supporting piece (6) of conflict arch (5) below, support the below of piece (6) and be connected with bracing piece (7), the below of bracing piece (7) is connected with solid fixed ring (8), screw rod (9) that run through solid fixed ring (8) are installed to the bottom of nozzle main part (1), the outer wall of screw rod (9) and the bottom threaded connection who is located solid fixed ring (8) have spiro (10).
3. Cladding nozzle for additive manufacturing according to claim 2, characterized in that: the bottom of nozzle main part (1) is installed with nozzle main part (1) axial direction parallel prevent slow-witted pole (11), the inside of solid fixed ring (8) seted up with prevent the through mouth of slow-witted pole (11) looks adaptation.
4. Cladding nozzle for additive manufacturing according to claim 1, characterized in that: the water cooling channel (3) is arranged in the nozzle main body (1) in a double-helix shape.
5. Cladding nozzle for additive manufacturing according to claim 2, characterized in that: the abutting block (6) is in an inclined semi-arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123384953.7U CN216607242U (en) | 2021-12-30 | 2021-12-30 | Cladding nozzle for additive manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123384953.7U CN216607242U (en) | 2021-12-30 | 2021-12-30 | Cladding nozzle for additive manufacturing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216607242U true CN216607242U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123384953.7U Active CN216607242U (en) | 2021-12-30 | 2021-12-30 | Cladding nozzle for additive manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216607242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025085894A1 (en) * | 2023-10-20 | 2025-04-24 | MELD Manufacturing Corporation | Solid state manufacturing tools and methods of using them |
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2021
- 2021-12-30 CN CN202123384953.7U patent/CN216607242U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025085894A1 (en) * | 2023-10-20 | 2025-04-24 | MELD Manufacturing Corporation | Solid state manufacturing tools and methods of using them |
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