CN112030160A - Multi-axis laser cladding anti-gravity deflecting ring cone focusing powder feeding nozzle - Google Patents
Multi-axis laser cladding anti-gravity deflecting ring cone focusing powder feeding nozzle Download PDFInfo
- Publication number
- CN112030160A CN112030160A CN202011035558.5A CN202011035558A CN112030160A CN 112030160 A CN112030160 A CN 112030160A CN 202011035558 A CN202011035558 A CN 202011035558A CN 112030160 A CN112030160 A CN 112030160A
- Authority
- CN
- China
- Prior art keywords
- powder
- annular
- gas
- ring
- cone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 171
- 238000004372 laser cladding Methods 0.000 title claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 59
- 239000000498 cooling water Substances 0.000 claims abstract description 51
- 230000001681 protective effect Effects 0.000 claims abstract description 27
- 230000005484 gravity Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000009827 uniform distribution Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000005253 cladding Methods 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
Abstract
The invention provides a multi-axis laser cladding gravity-resistant deflecting ring cone focusing powder feeding nozzle which comprises a water-cooling connecting part, a uniform gas powder conveying cone core, an outer thin converging cone cover, a cone cover locking ring, a protective gas annular cavity, a powder inverted cone-shaped annular seam converging cavity, a triangular inverted cone-shaped annular uniform gas channel and a cooling water annular cooling structure cavity, wherein the outer thin converging cone cover is arranged on the inner surface of the cone cover locking ring; water-cooling connecting portion fixed mounting assembles the awl cover for the defeated powder awl core of gas of samming and outer thin by inside to outside in the middle of the nozzle, awl cover catch fixed mounting assembles awl cover top lateral wall at defeated powder awl core of gas of samming and outer thin, set up cooling water ring cold structure chamber between water-cooling connecting portion lateral wall and the defeated powder awl core inside wall of samming, defeated powder awl core lateral wall of samming assembles the awl cover inside wall by last protective gas annular chamber, air flue, powder back taper form circumferential motion assembles the cavity for the protective gas annular chamber, triangle-shaped back taper form annular is equallyd divide the air flue, powder back taper form circumferential motion. Compared with the conventional technology, the nozzle can solve the problem that powder feeding of the nozzle of the cladding head is deviated due to gravity when a multi-axis laser cladding curved surface is formed.
Description
Technical Field
The invention belongs to the technical field of laser cladding, and particularly relates to a multi-axis laser cladding gravity-resistant deflecting ring cone focusing powder feeding nozzle.
Background
The powder feeding nozzle of the laser cladding head on the market at present is commonly provided with two modes of enabling a single powder pipe by a powder feeding pipe to directly reach a molten pool, converging in a coaxial multi-path mode or enabling multiple paths to enter a cloud chamber, fully stirring powder, and converging the powder to the molten pool through an inverted cone-shaped annular gap, wherein the powder utilization rate and the cladding layer quality of the second mode are increased compared with those of the first mode.
In the field of laser cladding under the condition of annular powder feeding by adopting a second mode, with the market demand, cladding technology has been developed from simple plane and cylindrical surface to more complex curved surface cladding processing, and the included angle between the tangent plane of the cladding surface and the horizontal plane of parts is usually more than 45 degrees to 90 degrees. For switching the moving direction of the cladding head, for example, when the cladding head is changed from vertical to nearly horizontal, the powder can deflect along with gravity in the process of conveying along with the shielding gas. The powder utilization rate of the annular powder feeding nozzle is greatly reduced at the moment.
Meanwhile, due to the process requirements, cladding is required from bottom to top. The powder output amount of the upper part of the circular ring gap for powder output of the nozzle is sharply reduced, after the powder output amount of the lower part is increased, the powder which is not melted in the cladding process is increased, and after the powder is rebounded through collision and passes through a light beam, a semi-molten state is formed, and the powder is splashed and bonded on the upper part of the circular ring gap for powder output of the nozzle, so that the powder is blocked, the production efficiency is influenced, and the service life of the nozzle of the cladding head is.
Disclosure of Invention
In order to solve the problem that when the multi-axis laser cladding curved surface is formed, the axis of a laser cladding head forms an angle of 0-90 degrees with the horizontal plane, and powder feeding of a cladding head nozzle is deviated due to gravity, the multi-axis laser cladding gravity-resistant deflection ring cone focusing powder feeding nozzle provided by the invention comprises a water-cooling connecting part, a gas-equalizing powder conveying cone core, an outer thin converging cone cover, a cone cover locking ring, a protective gas annular cavity, a powder inverted frustum-shaped annular seam converging cavity, a triangular inverted cone-shaped annular gas-equalizing passage and a cooling water annular cooling structure cavity; the water-cooling connecting part is fixedly arranged in the middle of the nozzle, the gas-equalizing powder conveying conical core and the outer thin converging conical cover are sequentially arranged along the outer side wall of the water-cooling connecting part from inside to outside, and the conical cover locking ring is fixedly arranged at the connecting position of the top end side wall of the gas-equalizing powder conveying conical core and the outer thin converging conical cover;
wherein be provided with cooling water ring cold structure chamber between water-cooling connecting portion lateral wall and the defeated powder awl core inside wall of samming, the defeated powder awl core lateral wall of samming assembles the awl cover inside wall by last protective gas annular chamber, triangle-shaped back taper annular equally divide air flue, powder back taper platform form circumferential weld and assemble the cavity down setting gradually outward.
As an improvement, the water-cooling connecting part comprises a water inlet pipe, a water outlet pipe, a radial outer circle sealing surface, a cylindrical cavity, an axial outer circle sealing convex ring surface, a first inner hole thread, a first outer circle thread and an inner half edge of an annular cooling water channel;
the cylindrical cavity is a through structure which is arranged at the central shaft of the water-cooling connecting part from top to bottom, and the first inner hole thread is arranged on the inner side wall of the cylindrical cavity;
the cylindrical cavity is sequentially provided with an excircle thread, a radial excircle sealing surface and an axial ring sealing outgoing convex ring surface from top to bottom along the radial position of the cylindrical cavity;
the water inlet pipe and the water outlet pipe are independently and fixedly arranged at the upper end of the radial position of the cylindrical cavity, and an internal water inlet and outlet channel is communicated with the cooling water ring cooling structure cavity;
the first excircle thread is in threaded connection with the outer side wall of the gas-homogenizing powder-conveying conical core, and the first inner hole thread is in threaded connection with the optical part of the laser cladding head;
and the inner half side of the annular cooling water channel is the outer side wall of the water-cooling connecting part of the cooling water annular cooling structure cavity.
As an improvement, the gas-homogenizing powder-conveying conical core is an integral structure with an upper end in a circular ring structure and a lower end in a cone structure with a center through, and comprises a powder conveying pipe, a gas conveying pipe, an inner annular surface of an annular gas passage, a triangular gas flow homogenizing and distributing passage surface, a powder conveying passage and a protective gas passage;
the powder conveying cone core is provided with four groups of gas conveying pipes, the four groups of gas conveying pipes are symmetrically distributed on the upper surface of the circular ring structure, a gas inlet of each group independently penetrates through a group of protective gas channels in the circular ring structure, and the gas outlet is communicated with the annular protective gas cavity through the inner annular surface of the annular gas channel on the outer side wall of the powder conveying cone core; the delivered protective gas passes through the triangular gas flow uniform distribution channel surface at the lower end of the inner ring surface of the annular gas channel, and the downward end of the protective gas is converged into the triangular inverted cone-shaped annular uniform distribution gas channel;
the powder feeding pipes are provided with eight groups, the eight groups of powder feeding pipes are symmetrically distributed on the upper surface of the circular ring structure, each group of powder feeding ports are independently communicated with one group of powder feeding channels in the circular ring structure, and the powder outlet ends of the powder feeding channels in the circular ring structure are independently communicated with the inner side of the inverted frustum-shaped powder gathering annular gap at the lower end of the triangular airflow equal diversion road surface along the powder outlet ends of the powder feeding channels in the circular ring structure and enter the powder inverted frustum-shaped annular gap gathering cavity.
As an improvement, the circular ring structure of the gas-homogenizing powder-conveying conical core further comprises a second external circular thread, a limiting step and an axial circular ring sealing convex annular surface, the second external circular thread is arranged on the outer side wall of the circular ring structure, the limiting step is arranged on the outer side wall of the lower end of the circular ring structure and between the second external circular thread and the annular air passage inner annular surface, and the cross section of the bottom of the limiting step is the axial circular ring sealing convex annular surface.
As an improvement, the inner side surface of the gas-homogenizing powder-conveying conical core sequentially comprises a second inner hole thread, a radial inner hole sealing surface, an annular cooling water channel, the outer half edge of the annular cooling water channel, an axial circular ring sealing concave ring surface and an inverted frustum-shaped inner cavity from top to bottom;
the second inner hole thread is in threaded connection with the first outer circle thread and is used for fixedly mounting the outer side wall of the water-cooling connecting part and the inner side wall of the gas-equalizing powder conveying conical core;
the radial inner hole sealing surface is tightly attached to a radial outer circle sealing surface of the water-cooling connecting part, an axial circular ring sealing concave ring surface and an axial circular ring sealing outer convex ring surface of the water-cooling connecting part to form a cooling water ring cooling structure cavity, and the annular cooling water channel is used for circulating cooling water in the ring cooling structure cavity;
the outer half edge of the annular cooling water channel and the inner half edge of the annular cooling water channel are relatively and fixedly arranged;
the inverted frustum-shaped inner cavity is fixedly arranged at the bottommost part of the inner side surface of the gas-equalizing powder conveying conical core, and the upper end of the inverted frustum-shaped inner cavity is connected with the axial circular ring sealing concave ring surface.
As an improvement, the outer thin converging conical cover is a conical structure with a through cavity in the center, and comprises a conical cover axial annular sealing concave ring surface, a locking stress ring surface, an outer thin converging conical cover inner conical surface and a limiting inner hole surface; the locking stress annular surface is fixedly arranged at the upper end part of the outer thin converging conical cover, and an axial annular sealing concave annular surface of the conical cover is arranged along the annular inner side surface; a plurality of groups of limiting inner hole surfaces are arranged on the surface of the conical cover axial circular ring sealing concave ring surface at intervals; the inner conical surface of the outer thin converging conical cover is arranged on the inner side surface of the bottom of the outer thin converging conical cover;
the limiting step is fixedly installed with the conical cover axial circular ring sealing concave ring surface and the limiting inner hole surface, so that the gas-equalizing powder conveying conical core and the outer thin converging conical cover can be detachably connected.
As an improvement, the cone cover locking ring comprises a cone cover locking ring internal thread and a cone cover force application pressing circular ring surface, and the cone cover locking ring internal thread is arranged on the inner side wall of the cone cover force application pressing circular ring surface and is in threaded connection with the second outer circular thread.
As an improvement, the directions of the triangular airflow uniform diversion channel surface and the inner conical surface of the outer thin converging conical cover are parallel to each other, and the distance between the opposite surfaces is 0.1-0.2mm, preferably 0.1 mm; the height of the triangle vertex of the triangle airflow uniform diversion channel surface is 0.7-1.9 mm.
As an improvement, the inner side of the inverted frustum-shaped powder gathering annular gap is parallel to the inner conical surface of the outer thin gathering conical cover, and the distance between opposite surfaces of the annular gap and the inner conical surface is 0.8-2.0mm, preferably 1.1 mm.
As an improvement, the included angle between the axis of the powder feeding pipe of the gas-homogenizing powder conveying conical core, the axis of the powder feeding channel and the rotation center line of the gas-homogenizing powder conveying conical core is 20-30 degrees; the cone angle of the inverted cone of the inner side of the annular gap for gathering the inverted cone-shaped powder of the gas-homogenizing powder-conveying cone core is 30-70 degrees.
Has the advantages that: compared with the conventional design, the multi-axis laser cladding gravity-resistant deflecting ring cone focusing powder feeding nozzle provided by the invention has the following advantages:
(1) the nozzle designed by the invention is provided with 8 uniformly distributed powder feeding pipes and powder feeding channels, and powder flows which are uniformly distributed in advance can be respectively injected into eight uniformly distributed angles, so that the deflection caused by gravity after the cladding head is deflected can be greatly reduced. The powder utilization rate of the cladding head nozzle is up to more than 80% after the cladding head nozzle deflects at a large angle. When the nozzle is vertical and horizontal, the powder utilization rate can reach over 90 percent.
(2) The nozzle designed by the invention is formed by matching and connecting the water-cooling connecting part and the gas-equalizing powder transmission conical core through the excircle threads and the inner hole threads, meanwhile, the radial excircle sealing surface and the radial inner hole sealing surface, the axial circular ring sealing outer convex ring surface and the axial circular ring sealing inner concave ring surface are tightly attached to form a cooling water ring cooling structure cavity with large sectional area, and the core of the nozzle can be fully cooled. So that the cladding head nozzle can work stably and the service life is prolonged.
(3) The nozzle designed by the invention has a large section cooling water ring cooling structure cavity which can adapt to higher power, and the applicable power range is 300W-15000W.
(4) The nozzle powder inverted frustum-shaped annular seam convergence cavity inner gap designed by the invention is suitable for powder particle sizes of 48 meshes to 800 meshes.
(5) The nozzle designed by the invention can be suitable for various powders, including iron-based powder, nickel-based powder, cobalt-based powder, aluminum-based powder, titanium-based powder and magnesium-based powder.
Drawings
FIG. 1 is a front view, in half section, of the nozzle of the present invention.
FIG. 2 is a partial half sectional view of a nozzle of the present invention
FIG. 3 is a three-dimensional perspective view of the nozzle of the present invention;
FIG. 4 is an enlarged view of a portion S of FIG. 1 in accordance with the present invention;
fig. 5 is a top view of the nozzle of the present invention.
FIG. 6 is a half sectional view of the water cooled junction of the nozzle of the present invention.
FIG. 7 is a view of the water-cooled joint portion A of the nozzle of the present invention.
Fig. 8 is a perspective view of a water-cooled connecting portion of the nozzle of the present invention.
FIG. 9 is a half sectional view of the gas-distributing powder delivery cone core of the nozzle of the present invention.
FIG. 10 is a side view of the gas delivery cone core of the nozzle of the present invention.
FIG. 11 is a perspective view of the gas homogenizing powder delivery cone core of the nozzle of the present invention.
FIG. 12 is a half sectional view in another direction of the gas-distributing tapered core of the nozzle of the present invention.
FIG. 13 is a side view of another orientation of the gas delivery cone core of the nozzle of the present invention.
FIG. 14 is a top view of the gas delivery cone core of the nozzle of the present invention.
FIG. 15 is a half sectional view of the outer thin converging cone of the nozzle of the present invention.
FIG. 16 is a side view of the outer thin converging cone of the nozzle of the present invention.
FIG. 17 is a perspective view of the outer thin converging cone of the nozzle of the present invention.
FIG. 18 is a half cross-sectional view of the cone lock ring of the nozzle of the present invention.
FIG. 19 is a perspective view of the cone lock ring of the nozzle of the present invention.
Detailed Description
The figures of the present invention are further described below in conjunction with the embodiments.
A multi-axis laser cladding gravity-resistant deflecting ring cone focusing powder feeding nozzle comprises a water-cooling connecting part 1, a gas-equalizing powder conveying cone core 2, an outer thin converging cone cover 3, a cone cover locking ring 4, a protective gas annular cavity 5, a powder inverted cone-shaped annular seam converging cavity 6, a triangular inverted cone-shaped annular gas-equalizing passage 7 and a cooling water annular cooling structure cavity 8; the water-cooling connecting part 1 is fixedly arranged in the middle of the nozzle, the gas-equalizing powder-conveying conical core 2 and the outer thin converging conical cover 3 are sequentially arranged along the outer side wall of the water-cooling connecting part 1 from inside to outside, and the conical cover locking ring 4 is fixedly arranged at the connecting position of the top end side walls of the gas-equalizing powder-conveying conical core 2 and the outer thin converging conical cover 3; wherein be provided with cooling water ring cold structure chamber 8 between 1 lateral wall of water-cooling connecting portion and the defeated powder awl core 2 inside walls of samming, the defeated powder awl core 2 lateral wall of samming gathers awl cover 3 inside walls by last protective gas annular chamber 5, triangle-shaped back taper annular and equally divide air flue 7, powder back taper platform form circumferential weld and gather cavity 6 down setting gradually outward.
The water-cooling connecting part 1 comprises a water inlet pipe 1-1-1, a water outlet pipe 1-1-2, a radial outer circle sealing surface 1-3, a cylindrical cavity 1-4, an axial ring sealing outer convex ring surface 1-5, a first inner hole thread 1-6, a first outer circle thread 1-7 and an inner half edge 1-8 of an annular cooling water channel;
the cylindrical cavity 1-4 is a through structure which is arranged at the central axis of the water-cooling connecting part 1 and is from top to bottom, and the first inner hole threads 1-6 are arranged on the inner side wall of the cylindrical cavity 1-4;
along the radial position of the cylindrical cavity 1-4, a first excircle thread 1-7, a radial excircle sealing surface 1-3 and an axial ring sealing outgoing convex ring surface 1-5 are arranged in sequence from top to bottom;
the water inlet pipe 1-1-1 and the water outlet pipe 1-1-2 are independently and fixedly arranged at the upper end of the radial position of the cylindrical cavity 1-4, and the internal water inlet and outlet channel 1-2 is communicated with the cooling water annular cooling structure cavity 8;
the first outer circular threads 1-7 are in threaded connection with the outer side wall of the gas-homogenizing powder-conveying conical core 2, and the first inner hole threads 1-6 are in threaded connection with the optical part of the laser cladding head;
and the inner half 1-8 of the annular cooling water channel is the outer side wall of the water-cooling connecting part 1 of the cooling water annular cooling structure cavity 8.
The gas-equalizing powder conveying conical core 2 is an integral structure with a circular ring structure at the upper end and a through cone structure at the lower end, and comprises a powder conveying pipe 2-1, a gas conveying pipe 2-2, an annular air flue inner ring surface 2-5, a triangular gas flow equalizing branch flow channel surface 2-6, a powder conveying channel 2-7 and a protective gas channel 2-13;
wherein the gas transmission pipes 2-2 are provided with four groups, the four groups of gas transmission pipes 2-2 are symmetrically arranged on the upper surface of the circular ring structure, the gas inlet of each group independently penetrates through a group of protective gas channels 2-13 in the circular ring structure, and is communicated with the protective gas annular cavity 5 from the gas outlet end through the inner annular surface 2-5 of the annular gas channel on the outer side wall of the gas-homogenizing powder transmission conical core 2; the delivered protective gas passes through a triangular gas flow uniform distribution channel surface 2-6 at the lower end of an inner ring surface 2-5 of the annular gas channel, and the lower ends of the protective gas are converged into a triangular inverted cone-shaped annular uniform distribution gas channel 7;
the powder feeding pipes 2-1 are provided with eight groups, the eight groups of powder feeding pipes 2-1 are symmetrically distributed on the upper surface of the circular ring structure, powder feeding ports of each group are independently communicated with a group of powder feeding channels 2-7 in the circular ring structure, powder outlet ports of the powder feeding channels 2-7 in the circular ring structure are independently communicated with the inner side 2-14 of the inverted frustum-shaped powder converging annular gap at the lower end of the triangular airflow uniform distribution channel surface 2-6 along the powder outlet ends of the powder feeding channels 2-7 in the circular ring structure, and the powder flows into the powder inverted frustum-shaped annular gap converging cavity 6.
The circular ring structure of the gas-equalizing powder conveying conical core 2 further comprises a second external circular thread 2-3, a limiting step 2-4 and an axial circular ring sealing convex annular surface 2-15, wherein the second external circular thread 2-3 is arranged on the outer side wall of the circular ring structure, the limiting step 2-4 is arranged on the outer side wall of the lower end of the circular ring structure, and the bottom section of the limiting step 2-4 is the axial circular ring sealing convex annular surface 2-15 between the second external circular thread 2-3 and the annular air passage inner annular surface 2-5.
The inner side surface of the gas-equalizing and powder-conveying conical core 2 sequentially comprises 2-16 second inner hole threads, 2-8 radial inner hole sealing surfaces, 2-9 annular cooling water channels, 2-10 outer half edges of the annular cooling water channels, 2-11 axial annular sealing concave ring surfaces and 2-12 inverted frustum-shaped inner cavities from top to bottom;
the second inner hole threads 2-16 are in threaded connection with the first outer circle threads 1-7 and are used for fixedly mounting the outer side wall of the water-cooling connecting part 1 and the inner side wall of the gas-equalizing powder transmission conical core 2;
the radial inner hole sealing surface 2-8 is tightly attached to a radial outer circle sealing surface 1-3, an axial ring sealing inner concave ring surface 2-11 and an axial ring sealing outer convex ring surface 1-5 of the water-cooling connecting part 1 to form a cooling water ring cooling structure cavity 8, and the annular cooling water channel 2-9 is used for cooling water to circulate in the ring cooling structure cavity 8;
the outer half 2-10 of the annular cooling water channel and the inner half 1-8 of the annular cooling water channel are relatively and fixedly arranged;
the inverted frustum-shaped inner cavity 2-12 is fixedly arranged at the bottommost part of the inner side surface of the gas-equalizing powder conveying conical core 2, and the upper end of the inverted frustum-shaped inner cavity is connected with the axial circular ring sealing concave ring surface 2-11.
The outer thin converging conical cover 3 is a conical structure with a through cavity in the center and comprises a conical cover axial circular ring sealing concave ring surface 3-1, a locking stress circular ring surface 3-2, an outer thin converging conical cover inner conical surface 3-3 and a limiting inner hole surface 3-4; the locking stress annular surface 3-2 is fixedly arranged at the upper end part of the outer thin converging conical cover 3, and an axial annular sealing concave annular surface 3-1 of the conical cover is arranged along the annular inner side surface; a plurality of groups of limiting inner hole surfaces 3-4 are arranged on the surface of the conical cover axial circular ring sealing concave ring surface 3-1 at intervals; the inner conical surface 3-3 of the outer thin convergence conical cover is arranged on the inner side surface of the bottom of the outer thin convergence conical cover 3; wherein the limiting step 2-4 is fixedly arranged with the conical cover axial circular ring sealing concave ring surface 3-1 and the limiting inner hole surface 3-4, so that the gas-equalizing powder transmission conical core 2 and the outer thin convergence conical cover 3 are detachably connected.
The cone cover locking ring 4 comprises a cone cover locking ring internal thread 4-1 and a cone cover force application pressing circular ring surface 4-2, and the cone cover locking ring internal thread 4-1 is arranged on the inner side wall of the cone cover force application pressing circular ring surface 4-2 and is in threaded connection with the second outer circular thread 2-3.
Wherein, the directions of the triangular airflow uniform diversion channel surface 2-6 and the inner conical surface 3-3 of the outer thin convergence conical cover are parallel to each other, and the distance between the opposite surfaces is 0.1-0.2mm, preferably 0.1 mm.
The directions of the inner side 2-14 of the inverted frustum-shaped powder convergence annular gap and the 3-3 inner conical surface of the outer thin convergence conical cover are parallel to each other, and the distance between the opposite surfaces is 0.8-2.0mm, preferably 1.1 mm.
Example 1
The invention relates to a multi-axis laser cladding anti-gravity deflection ring cone focusing powder feeding nozzle and a laser cladding device, which are composed of a water-cooling connecting part 1; a gas-homogenizing powder-conveying conical core 2; an outer thin converging cone 3; a cone cover lock ring 4; a protective gas annular chamber 5; a powder inverted cone frustum-shaped annular seam convergence cavity 6; the triangular inverted cone-shaped annular air sharing passage 7; and a cooling water ring cooling structure cavity 8.
The water-cooling connection 1 is composed of a water inlet pipe 1-1-1, a water outlet pipe 1-1-2, a water inlet and outlet channel 1-2, a radial outer circle sealing surface 1-3, a cylindrical cavity body 1-4 which is communicated up and down, an axial circular ring sealing outer convex ring surface 1-5, a first inner hole thread 1-6, a first outer circle thread 1-7 and an inner half edge 1-8 of an annular cooling water channel, wherein the first inner hole thread 1-6 is connected with an optical part of a laser cladding head, and the first outer circle thread 1-7 is connected with a gas-homogenizing powder conveying conical core 2.
The gas-homogenizing powder conveying conical core 2 is composed of 8 uniformly-distributed powder conveying pipes 2-1, 4 uniformly-distributed gas conveying pipes 2-2, second outer circular threads 2-3, limiting steps 2-4, annular gas passage inner annular surfaces 2-5, triangular gas flow uniformly-distributing channel surfaces 2-6, powder conveying channels 2-7, radial inner hole sealing surfaces 2-8, annular cooling water channels 2-9, annular cooling water channel outer half edges 2-10, axial circular ring sealing concave annular surfaces 2-11, inverted frustum-shaped inner cavities 2-12, protective gas channels 2-13, inverted frustum-shaped powder gathering annular gap inner sides 2-14, axial circular ring sealing convex annular surfaces 2-15 and second inner hole threads 2-16.
The outer thin converging conical cover 3 consists of a conical cover axial circular ring sealing concave ring surface 3-1, a locking stress ring surface 3-2, an outer thin converging conical cover inner conical surface 3-3 and a limiting inner hole surface 3-4.
The cone cover locking ring 4 is composed of cone cover locking ring internal threads 4-1 and a cone cover force application pressing annular surface 4-2.
The water-cooling connecting part 1 is in matched connection with the gas-homogenizing powder-conveying conical core 2 through a first outer circular thread 1-7 and a second inner hole thread 2-16, meanwhile, a radial outer circular sealing surface 1-3 is tightly attached to a radial inner hole sealing surface 2-8, an axial circular sealing outer convex ring surface 1-5 and an axial circular sealing inner concave ring surface 2-11 to form a cooling water ring cooling structure cavity, cooling water enters the water inlet and outlet channel 1-2 from one side of the water inlet pipe 1-1-1 and then enters the cooling water ring cooling structure cavity formed by the water-cooling connecting part 1 and the gas-homogenizing powder-conveying conical core 2, and after the heat is fully absorbed, the cooling water is discharged through the water inlet and outlet channel 1-2 and the water outlet pipe 1-1-2 in sequence.
The cone cover axial circular ring sealing concave ring surface 3-1 of the outer thin converging cone cover 3 is tightly attached to the axial circular ring sealing convex ring surface of the gas-homogenizing powder conveying cone core 2, and the limiting step 2-4 is matched with the limiting inner hole surface 3-4 and the axial circular ring sealing concave ring surface 3-1, so that the outer thin converging cone cover 3 is precisely matched with the gas-homogenizing powder conveying cone core 2.
After the cone cover lock ring internal thread 4-1 of the cone cover lock ring 4 is screwed with the second external circular thread 2-3, the cone cover applies force to press the annular surface 4-2 to axially press the locking stressed annular surface 3-2, and the external thin converging cone cover 3 is accurately and precisely locked on the gas-equalizing powder-conveying cone core 2.
When the outer thin converging conical cover 3 and the gas-equalizing powder conveying conical core 2 are tightly combined, two annular cavities and an equalizing air passage are formed, namely a protective gas annular cavity 5, a powder inverted cone-shaped annular seam converging cavity 6 and a triangular inverted cone-shaped annular equalizing air passage 7. The protective gas annular cavity 5 is formed by an inner annular surface 2-5 of the annular gas passage and an inner conical surface 3-3 of the outer thin convergence conical cover. The powder inverted frustum-shaped annular gap gathering cavity 6 is formed by the inner side 2-14 of an inverted frustum-shaped powder gathering annular gap and the inner conical surface 3-3 of an outer thin gathering conical cover. The triangular inverted-cone-shaped annular uniform air channel 7 is formed by triangular airflow uniform flow channel surfaces 2-6 and an inner conical surface 3-3 of an outer thin converging conical cover.
Inert shielding gas enters the shielding gas channel 2-13 from 4 uniformly distributed gas conveying pipes 2-2 and then reaches the annular cavity of the shielding gas, is fully stirred in the annular cavity and then is downwards gathered through the triangular inverted cone-shaped annular uniform distribution gas channel, and on the way, powder entering the powder feeding channel 2-7 through 8 uniformly distributed powder feeding pipes 2-1 is continuously gathered downwards through the powder inverted cone-shaped annular seam gathering cavity.
The triangular airflow uniform diversion channel surface 2-6 in the enlarged S-view of the attached drawing is parallel to the inner conical surface 3-3 of the outer thin convergence conical cover, and the distance is 0.1-0.2mm, preferably 0.1 mm. The inner side 2-14 of the inverted frustum-shaped powder gathering annular gap is parallel to the inner conical surface 3-3 of the outer thin gathering conical cover, and the distance is 0.8-2.0mm, preferably 1.1 mm.
As a specific implementation mode of the invention, the height of the vertex 2-6 of the triangle of the airflow equalization flow passage surface of the air and powder equalization transmission conical core 2 is 0.7-1.9 mm.
As another specific embodiment of the invention, the cone angle of the inverted frustum 2-14 at the inner side of the annular gap for converging the inverted frustum-shaped powder of the gas-homogenizing and powder-transporting cone core 2 is 30-70 degrees.
As another specific embodiment of the invention, the included angle between the axis of the powder feeding pipe 2-1 and the axis of the powder feeding channel 2-7 of the gas-homogenizing powder conveying conical core 2 and the rotation center line of the gas-homogenizing powder conveying conical core 2 is 20-30 degrees.
As another specific embodiment of the invention, the coaxiality of the limiting step 2-4 of the gas-homogenizing and powder-conveying conical core 2 and the inner side 2-14 of the inverted frustum-shaped powder convergence annular gap is less than 3 mu m; the coaxiality of the limiting inner hole surface 3-4 of the outer thin converging conical cover 3 and the inner conical surface 3-3 of the outer thin converging conical cover is less than 3 mu m;
as another specific implementation mode of the invention, the small-diameter pore diameter of the 2-12 inverted frustum-shaped inner cavity of the gas transmission conical core 2 is 2-10 mm. The diameter of the inverted frustum-shaped inner cavity 2-12 of the gas-equalizing powder-conveying conical core 2 is 2-10 mm. The diameter of an inner hole of the powder feeding channel 2-7 of the gas-equalizing powder transmission conical core 2 is 2-8 mm.
As another embodiment of the invention, the surface roughness Ra of the inner side 2-14 of the annular gap for converging the inverted frustum-shaped powder of the gas-transmission cone core 2 is less than or equal to 0.4 μm. The surface roughness Ra of the inner conical surface 3-3 of the outer thin converging conical cover of the gas-equalizing powder conveying conical core is less than or equal to 0.4 mu m.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a multiaxis laser cladding antigravity deflection ring awl focus send whitewashed nozzle which characterized in that: the powder uniform-cooling device comprises a water-cooling connecting part (1), a uniform-gas powder-conveying conical core (2), an outer thin converging conical cover (3), a conical cover locking ring (4), a protective gas annular cavity (5), a powder inverted frustum-shaped annular seam converging cavity (6), a triangular inverted cone-shaped annular uniform-distribution air passage (7) and a cooling water annular cooling structure cavity (8); the water-cooling connecting part (1) is fixedly arranged in the middle of the nozzle, the gas-equalizing powder-conveying conical core (2) and the outer thin converging conical cover (3) are sequentially arranged along the outer side wall of the water-cooling connecting part (1) from inside to outside, and the conical cover locking ring (4) is fixedly arranged at the connecting part of the gas-equalizing powder-conveying conical core (2) and the top end side wall of the outer thin converging conical cover (3);
wherein be provided with cooling water ring cold structure chamber (8) between water-cooling connecting portion (1) lateral wall and the defeated powder awl core of samming (2) inside wall, defeated powder awl core of samming (2) lateral wall and outer thin converging awl cover (3) inside wall are by last protective gas annular chamber (5), triangle-shaped back taper form annular is equallyd divide air flue (7), powder back taper platform form circumferential weld and are assembled cavity (6) from top to bottom in proper order.
2. The multi-axis laser cladding gravity-resistant deflection ring cone focusing powder feeding nozzle of claim 1, which is characterized in that: the water-cooling connecting part (1) comprises a water inlet pipe (1-1-1), a water outlet pipe (1-1-2), a radial outer circle sealing surface (1-3), a cylindrical cavity (1-4), an axial outer circle sealing convex ring surface (1-5), a first inner hole thread (1-6), a first outer circle thread (1-7) and an inner half edge (1-8) of an annular cooling water channel;
the cylindrical cavity (1-4) is a through structure which is arranged at the central axis of the water-cooling connecting part (1) and is from top to bottom, and the first inner hole threads (1-6) are arranged on the inner side wall of the cylindrical cavity (1-4);
the cylindrical cavity (1-4) is sequentially provided with an excircle thread (1-7), a radial excircle sealing surface (1-3) and an axial ring sealing outgoing convex ring surface (1-5) from top to bottom along the radial position;
the water inlet pipe (1-1-1) and the water outlet pipe (1-1-2) are independently and fixedly arranged at the upper end of the radial position of the cylindrical cavity (1-4), and an internal water inlet and outlet channel (1-2) is communicated with the cooling water annular cooling structure cavity (8);
the first outer circle threads (1-7) are in threaded connection with the outer side wall of the gas-homogenizing powder-conveying conical core (2), and the first inner hole threads (1-6) are in threaded connection with the optical part of the laser cladding head;
the inner half (1-8) of the annular cooling water channel is the outer side wall of the water-cooling connecting part (1) of the cooling water annular cooling structure cavity (8).
3. The multi-axis laser cladding gravity-resistant deflector ring cone focusing powder feeding nozzle of claim 2, which is characterized in that: the gas-equalizing and powder-conveying conical core (2) is an integral structure with a circular ring structure at the upper end and a through cone structure at the lower end, and comprises a powder feeding pipe (2-1), a gas conveying pipe (2-2), an annular gas passage inner ring surface (2-5), a triangular gas flow equalizing and distributing passage surface (2-6), a powder feeding passage (2-7) and a protective gas passage (2-13);
the four groups of gas conveying pipes (2-2) are symmetrically distributed on the upper surface of the circular ring structure, and gas inlets of each group independently penetrate through a group of protective gas channels (2-13) in the circular ring structure and are communicated with the annular protective gas cavity (5) through gas outlet ends and annular gas channel inner annular surfaces (2-5) on the outer side wall of the gas-equalizing powder conveying conical core (2); the delivered protective gas passes through a triangular gas flow uniform distribution channel surface (2-6) at the lower end of an inner ring surface (2-5) of the annular gas channel, and converges to the lower end to be introduced into a triangular inverted cone-shaped annular uniform distribution gas channel (7);
the powder feeding pipes (2-1) are provided with eight groups, the eight groups of powder feeding pipes (2-1) are symmetrically distributed on the upper surface of the circular ring structure, powder feeding ports of each group are independently communicated with a group of powder feeding channels (2-7) in the circular ring structure, powder outlet ends of the powder feeding channels (2-7) in the circular ring structure are independently communicated with the inner sides (2-14) of the inverted frustum-shaped powder converging annular gaps at the lower ends of the triangular airflow uniform distribution channel surfaces (2-6) and enter the powder inverted frustum-shaped annular gap converging cavity (6).
4. The multi-axis laser cladding gravity-resistant deflector ring cone focusing powder feeding nozzle of claim 3, characterized in that: the circular ring structure of the gas-equalizing powder conveying conical core (2) further comprises a second outer circular thread (2-3), a limiting step (2-4) and an axial circular ring sealing convex annular surface (2-15), wherein the second outer circular thread (2-3) is arranged on the outer side wall of the circular ring structure, the limiting step (2-4) is arranged on the outer side wall of the lower end of the circular ring structure, and between the second outer circular thread (2-3) and the annular air passage inner annular surface (2-5), the bottom section of the limiting step (2-4) is the axial circular ring sealing convex annular surface (2-15).
5. The multi-axis laser cladding gravity-resistant deflector ring cone focusing powder feeding nozzle of claim 3, characterized in that: the inner side surface of the gas-equalizing and powder-conveying conical core (2) sequentially comprises second inner hole threads (2-16), a radial inner hole sealing surface (2-8), an annular cooling water channel (2-9), an outer half edge (2-10) of the annular cooling water channel, an axial circular ring sealing concave ring surface (2-11) and an inverted frustum-shaped inner cavity (2-12) from top to bottom;
the second inner hole threads (2-16) are in threaded connection with the first outer circle threads (1-7) and are used for fixedly mounting the outer side wall of the water-cooling connecting part (1) and the inner side wall of the gas-equalizing powder transmission conical core (2);
the radial inner hole sealing surface (2-8) is tightly attached to a radial outer circle sealing surface (1-3) of the water-cooling connecting part (1), an axial circular ring sealing concave ring surface (2-11) and an axial circular ring sealing outward convex ring surface (1-5) of the water-cooling connecting part (1) to form a cooling water ring cooling structure cavity (8), and the annular cooling water channel (2-9) is used for cooling water to circulate in the ring cooling structure cavity (8);
the outer half (2-10) of the annular cooling water channel and the inner half (1-8) of the annular cooling water channel are relatively and fixedly arranged;
the inverted frustum-shaped inner cavity (2-12) is fixedly arranged at the bottommost part of the inner side surface of the gas-equalizing powder conveying conical core (2), and the upper end of the inverted frustum-shaped inner cavity is connected with the axial circular ring sealing concave ring surface (2-11).
6. The multi-axis laser cladding gravity-resistant deflector ring cone focusing powder feeding nozzle of claim 4, which is characterized in that: the outer thin converging conical cover (3) is of a conical structure with a through cavity in the center and comprises a conical cover axial circular ring sealing concave ring surface (3-1), a locking stress ring surface (3-2), an outer thin converging conical cover inner conical surface (3-3) and a limiting inner hole surface (3-4); the locking stress annular surface (3-2) is fixedly arranged at the upper end part of the outer thin converging conical cover (3), and an axial annular sealing concave annular surface (3-1) of the conical cover is arranged along the annular inner side surface; a plurality of groups of limiting inner hole surfaces (3-4) are arranged on the surface of the conical cover axial circular ring sealing concave ring surface (3-1) at intervals; the inner conical surface (3-3) of the outer thin converging conical cover is arranged on the inner side surface of the bottom of the outer thin converging conical cover (3);
the limiting step (2-4) is fixedly arranged with the conical cover axial circular ring sealing concave ring surface (3-1) and the limiting inner hole surface (3-4), so that the gas-equalizing powder conveying conical core (2) and the outer thin converging conical cover (3) are detachably connected.
7. The multi-axis laser cladding gravity-resistant deflector ring cone focusing powder feeding nozzle of claim 4, which is characterized in that: the cone cover locking ring (4) comprises cone cover locking ring internal threads (4-1) and a cone cover force application pressing circular ring surface (4-2), and the cone cover locking ring internal threads (4-1) are arranged on the inner side wall of the cone cover force application pressing circular ring surface (4-2) and are in threaded connection with the second external circular threads (2-3).
8. The multi-axis laser cladding gravity-resistant deflector ring cone focusing powder feeding nozzle of claim 6, which is characterized in that: wherein, the directions of the triangular airflow uniform diversion channel surfaces (2-6) and the inner conical surfaces (3-3) of the outer thin converging conical cover are mutually parallel, and the distance between the opposite surfaces is 0.1-0.2mm, preferably 0.1 mm; the height of the vertex of the triangle (2-6) of the triangular airflow uniform diversion channel surface is 0.7-1.9 mm.
9. The multi-axis laser cladding gravity-resistant deflector ring cone focusing powder feeding nozzle of claim 6, which is characterized in that: the inner side (2-14) of the inverted frustum-shaped powder convergence annular gap and the inner conical surface (3-3) of the outer thin convergence conical cover are parallel to each other, and the distance between opposite surfaces is 0.8-2.0mm, preferably 1.1 mm.
10. The multi-axis laser cladding gravity-resistant deflector ring cone focusing powder feeding nozzle of claim 6, which is characterized in that: wherein the included angles between the axis of the powder feeding pipe (2-1) of the gas-equalizing powder conveying conical core (2), the axis of the powder feeding channel (2-7) and the rotation center line of the gas-equalizing powder conveying conical core (2) are 20-30 degrees; the cone angle of the inverted frustum-shaped powder gathering annular gap inner side (2-14) of the gas-equalizing powder-conveying cone core (2) is 30-70 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011035558.5A CN112030160A (en) | 2020-09-27 | 2020-09-27 | Multi-axis laser cladding anti-gravity deflecting ring cone focusing powder feeding nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011035558.5A CN112030160A (en) | 2020-09-27 | 2020-09-27 | Multi-axis laser cladding anti-gravity deflecting ring cone focusing powder feeding nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112030160A true CN112030160A (en) | 2020-12-04 |
Family
ID=73575522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011035558.5A Pending CN112030160A (en) | 2020-09-27 | 2020-09-27 | Multi-axis laser cladding anti-gravity deflecting ring cone focusing powder feeding nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112030160A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113319294A (en) * | 2021-06-28 | 2021-08-31 | 南昌航空大学 | Detachable optical internal powder feeding laser additive manufacturing cladding head |
| CN113737173A (en) * | 2021-08-25 | 2021-12-03 | 武汉瀚海智能激光工程有限公司 | Laser cladding head device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5321228A (en) * | 1991-06-24 | 1994-06-14 | Andreas Krause | Nozzle for the surface treatment of metal workpieces |
| KR20010068666A (en) * | 2000-01-07 | 2001-07-23 | 윤영석 | Laser cladding head |
| CN101264519A (en) * | 2008-04-08 | 2008-09-17 | 西安交通大学 | Adjustable laser coaxial powder feeding nozzle |
| US20090095214A1 (en) * | 2007-10-10 | 2009-04-16 | Ronald Peter Whitfield | Laser cladding device with an improved nozzle |
| CN201236210Y (en) * | 2008-08-06 | 2009-05-13 | 沈阳新松机器人自动化股份有限公司 | Three-dimensional coaxial laser powder-transmitting head |
| CN107245715A (en) * | 2017-06-12 | 2017-10-13 | 中国矿业大学 | A kind of built-in sieve mesh type loop laser melting-painting nozzle |
| CN109234730A (en) * | 2018-11-20 | 2019-01-18 | 哈尔滨工业大学 | A kind of Precision Coaxial Process of Powder Feeding Laser Cladding nozzle |
| CN109680274A (en) * | 2019-02-20 | 2019-04-26 | 江苏镭电嘉成激光科技有限公司 | A kind of integral type coaxial powder-feeding nozzle for laser fusion and coating |
| CN110079797A (en) * | 2019-05-07 | 2019-08-02 | 中国矿业大学 | A kind of coaxial powder-feeding nozzle adjusting powder stream convergence focus using pneumatic mode |
| CN110144584A (en) * | 2019-06-04 | 2019-08-20 | 沈阳中科煜宸科技有限公司 | A kind of coaxial three beams powder-feeding nozzle |
| CN110331396A (en) * | 2019-07-04 | 2019-10-15 | 包头市三泰激光科技有限公司 | Ring type coaxial powder-feeding laser nozzle |
| CN212451642U (en) * | 2020-09-27 | 2021-02-02 | 熔创金属表面科技(常州)有限公司 | Multichannel powder feeding nozzle for laser cladding |
-
2020
- 2020-09-27 CN CN202011035558.5A patent/CN112030160A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5321228A (en) * | 1991-06-24 | 1994-06-14 | Andreas Krause | Nozzle for the surface treatment of metal workpieces |
| KR20010068666A (en) * | 2000-01-07 | 2001-07-23 | 윤영석 | Laser cladding head |
| US20090095214A1 (en) * | 2007-10-10 | 2009-04-16 | Ronald Peter Whitfield | Laser cladding device with an improved nozzle |
| CN101264519A (en) * | 2008-04-08 | 2008-09-17 | 西安交通大学 | Adjustable laser coaxial powder feeding nozzle |
| CN201236210Y (en) * | 2008-08-06 | 2009-05-13 | 沈阳新松机器人自动化股份有限公司 | Three-dimensional coaxial laser powder-transmitting head |
| CN107245715A (en) * | 2017-06-12 | 2017-10-13 | 中国矿业大学 | A kind of built-in sieve mesh type loop laser melting-painting nozzle |
| CN109234730A (en) * | 2018-11-20 | 2019-01-18 | 哈尔滨工业大学 | A kind of Precision Coaxial Process of Powder Feeding Laser Cladding nozzle |
| CN109680274A (en) * | 2019-02-20 | 2019-04-26 | 江苏镭电嘉成激光科技有限公司 | A kind of integral type coaxial powder-feeding nozzle for laser fusion and coating |
| CN110079797A (en) * | 2019-05-07 | 2019-08-02 | 中国矿业大学 | A kind of coaxial powder-feeding nozzle adjusting powder stream convergence focus using pneumatic mode |
| CN110144584A (en) * | 2019-06-04 | 2019-08-20 | 沈阳中科煜宸科技有限公司 | A kind of coaxial three beams powder-feeding nozzle |
| CN110331396A (en) * | 2019-07-04 | 2019-10-15 | 包头市三泰激光科技有限公司 | Ring type coaxial powder-feeding laser nozzle |
| CN212451642U (en) * | 2020-09-27 | 2021-02-02 | 熔创金属表面科技(常州)有限公司 | Multichannel powder feeding nozzle for laser cladding |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113319294A (en) * | 2021-06-28 | 2021-08-31 | 南昌航空大学 | Detachable optical internal powder feeding laser additive manufacturing cladding head |
| CN113319294B (en) * | 2021-06-28 | 2022-03-08 | 南昌航空大学 | Detachable optical internal powder feeding laser additive manufacturing cladding head |
| CN113737173A (en) * | 2021-08-25 | 2021-12-03 | 武汉瀚海智能激光工程有限公司 | Laser cladding head device |
| CN113737173B (en) * | 2021-08-25 | 2023-12-26 | 武汉瀚海智能激光工程有限公司 | Laser cladding head device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110331396A (en) | Ring type coaxial powder-feeding laser nozzle | |
| CN112030160A (en) | Multi-axis laser cladding anti-gravity deflecting ring cone focusing powder feeding nozzle | |
| CN101264519B (en) | Adjustable laser coaxial powder feeding nozzle | |
| US7605346B2 (en) | Powder delivery nozzle | |
| CN201823642U (en) | Laser cladding coaxial powder delivery nozzle comprising guide protective air flow | |
| CN107245715B (en) | A kind of built-in sieve mesh type loop laser melting-painting nozzle | |
| WO2022083681A1 (en) | Coaxial powder-feeding nozzle used for additive manufacturing on inner wall and having self-cleaning function | |
| CN110587139A (en) | Coaxial wire and powder feeding printing nozzle and additive manufacturing device for arc laser | |
| CN104694922A (en) | Ring hole type laser coaxial powder feeding nozzle | |
| CN109234730B (en) | Precise coaxial powder feeding type laser cladding nozzle | |
| CN201128758Y (en) | Feeding axis-adjustable power-feeding head for laser cladding | |
| CN212451642U (en) | Multichannel powder feeding nozzle for laser cladding | |
| CN112899680A (en) | Powder feeding nozzle and laser cladding and additive manufacturing machining head | |
| CN110280763A (en) | Coaxial powder-feeding laser sintering device | |
| CN111549343A (en) | Water-cooling single-channel center powder feeding cladding head | |
| CN111254431B (en) | Light-powder co-path powder feeding nozzle for atmosphere protection | |
| CN201511130U (en) | Coaxial powder feeding nozzles for fast laser shaping | |
| CN110055528A (en) | A kind of annular coaxial dust feeder for ultrahigh speed laser melting coating | |
| CN112430813A (en) | Split type laser cladding powder feeding nozzle and method for carrying out laser cladding by using same | |
| CN200954478Y (en) | Co-axial powder-feeding head | |
| CN106435578B (en) | A kind of multi-beam coaxial powder-feeding formula laser melting-painting nozzle with water cooling protection | |
| CN202989279U (en) | Laser rapid prototyping coaxial powder-feeding nozzle | |
| CN110938818A (en) | Paraxial powder feeding device | |
| CN217757661U (en) | Adjustable precise annular laser powder nozzle | |
| CN213739683U (en) | Laser cladding powder feeding mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |