CN111549343A - Water-cooling single-channel center powder feeding cladding head - Google Patents
Water-cooling single-channel center powder feeding cladding head Download PDFInfo
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- CN111549343A CN111549343A CN202010560290.0A CN202010560290A CN111549343A CN 111549343 A CN111549343 A CN 111549343A CN 202010560290 A CN202010560290 A CN 202010560290A CN 111549343 A CN111549343 A CN 111549343A
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- 239000000843 powder Substances 0.000 title claims abstract description 127
- 238000005253 cladding Methods 0.000 title claims abstract description 59
- 238000001816 cooling Methods 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 abstract 1
- 238000004372 laser cladding Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
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- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a water-cooling single-channel central powder feeding cladding head which comprises a cladding head body and a buffer plug, wherein the buffer plug is detachably connected with the cladding head body; the laser channel area comprises a plurality of laser channels, and the laser channels are arranged on the cladding head body in a penetrating way; the powder feeding area comprises a vertical cavity and a plurality of horizontal powder feeding channels, the vertical cavity is axially communicated with the center of the cladding head body, the horizontal powder feeding channels are radially arranged on the cladding head body, and the horizontal powder feeding channels are communicated with the vertical cavity; the buffer plug is detachably connected in the vertical cavity; the laser channel, the vertical cavity and the water cooling area are not communicated with each other. The invention can reduce the influence of the powder feeding airflow on the powder, and the powder is vertically fed out along the central powder feeding channel under the action of the self gravity, so that the powder flow is more uniform, the convergence is good, and the powder utilization rate can be effectively improved.
Description
Technical Field
The invention relates to the technical field of rapid forming, in particular to a water-cooling single-channel center powder feeding cladding head.
Background
Laser Cladding (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 a laser beam with high energy density is utilized to fuse the cladding material and a thin layer on the surface of the base material together, so that a metallurgically bonded cladding layer is formed on the surface of a base layer, a protective layer with specific performance can be obtained on the surface of a metal workpiece through laser cladding, the wear resistance, the corrosion resistance, the hydrogen embrittlement resistance and the like of the workpiece are greatly improved, and the service life of key parts can be greatly prolonged. The technological parameters of laser cladding mainly include laser power, spot diameter, cladding speed, defocusing amount, powder feeding speed, scanning speed, preheating temperature and the like. These parameters have a great influence on the dilution rate, cracks, surface roughness of the cladding layer, the compactness of the cladding part and the like. All parameters also influence each other, which is a very complicated process, and the parameters need to be controlled within the allowable range of the laser cladding process by adopting a reasonable control method. At present, a coaxial powder feeding mode is generally adopted for laser cladding, the powder feeding mode is good in flexibility, parts with complex surfaces can be subjected to laser cladding, however, when powder is fed, all paths of powder flow are converged to the center to impact each other, due to the fact that the speeds of all paths of powder flow are different, the uniformity and the convergence of the converged powder can be affected when the powder is converged, all paths of powder flow splash to the periphery due to poor convergence, the utilization rate of powder materials is not high, cladding quality is not facilitated, and due to the fact that high heat can be generated during laser cladding, in the laser cladding process of the prior art, a cladding head is heated for a long time to radiate cladding, so that powder is not smooth or blocked, and even heat can be conducted to an optical part through the cladding head, and laser lenses are damaged. Therefore, a water-cooled single-channel central powder feeding cladding head is needed to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a water-cooling single-channel central powder feeding cladding head, which solves the problems in the prior art, enables powder flow sprayed out of a spray pipe to be more uniform, enables the convergence angle to be more concentrated, reduces unsmooth powder discharge or blockage, improves the utilization rate of powder materials, and improves the cladding quality.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a water-cooling single-channel central powder feeding cladding head which comprises a cladding head body and a buffer plug, wherein the buffer plug is detachably connected with the cladding head body;
the laser channel area comprises a plurality of laser channels, and the laser channels are arranged on the cladding head body in a penetrating manner;
the powder feeding area comprises a vertical cavity and a plurality of horizontal powder feeding channels, the vertical cavity is axially communicated with the center of the cladding head body, the horizontal powder feeding channels are radially arranged on the cladding head body, and the horizontal powder feeding channels are communicated with the vertical cavity;
the buffer plug is detachably connected in the vertical cavity;
the laser channel, the vertical cavity and the water cooling area are not communicated with each other.
Preferably, the vertical cavity comprises a buffer cavity, a deceleration cavity and a vertical powder feeding channel, the deceleration cavity is located between the buffer cavity and the vertical powder feeding channel, the deceleration cavity is of a conical hole structure, the large opening end of the deceleration cavity is communicated with the buffer cavity, the small opening end of the deceleration cavity is communicated with the vertical powder feeding channel, and the side surface of the buffer cavity is communicated with the horizontal powder feeding channel.
Preferably, the buffering stopper includes mounting flange, the mounting flange bottom rigid coupling has first taper block, first taper block bottom rigid coupling has the second taper block.
Preferably, a straight groove has been seted up on the mounting flange top, the mounting flange side with the connection can be dismantled to the cushion chamber, mounting flange, first taper block are in the cushion chamber, the second taper block is in the speed reduction intracavity.
Preferably, the first conical block comprises a first conical surface and a second conical surface, the first conical surface, the second conical surface and the buffer cavity form a buffer area, the second conical block comprises a third conical surface, and the third conical surface and the deceleration cavity form a deceleration powder homogenizing area.
Preferably, the water cooling area comprises a water inlet, a water outlet and a water cooling cavity, the water cooling cavity is arranged in the side face of the cladding head body, the water cooling cavity surrounds the laser channel, one end of the water cooling cavity is provided with the water inlet, and the other end of the water cooling cavity is provided with the water outlet.
Preferably, a plurality of the laser channels are arranged in a circular array with the vertical cavity as a center.
Preferably, the water inlet and the water outlet are both provided with grooves.
The invention discloses the following technical effects:
according to the invention, the vertical cavity, the horizontal powder feeding channel and the buffer plug are arranged, and the buffer area and the deceleration powder homogenizing area are formed, so that when powder is collected from the horizontal powder feeding channel to the vertical cavity, the buffer area is effectively blocked by the buffer plug, and the deceleration powder homogenizing area is effectively decelerated, thereby effectively reducing the self speed of the powder sprayed out from the spray pipe and the mutual influence among different powder channels, improving the uniformity and the collection property of the powder, reducing the splashing of the powder to the periphery due to poor collection property, improving the utilization rate of the powder, greatly reducing the condition of unsmooth powder discharge or blockage, and improving the cladding quality;
through setting up water-cooling district, laser channel district to encircle the laser channel district with the water-cooling district and set up, the cooling water constantly flows through the thermal radiation area, takes away radiant energy, and effective separation heat-conduction to optical part has reduced the damage that leads to the fact the laser lens.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is an isometric view of a water-cooled single-channel center powder-feeding cladding head according to the present invention;
FIG. 2 is a cross-sectional view E-E of FIG. 1 with the powder inlet tube removed;
FIG. 3 is a schematic view of a damper plug mechanism;
FIG. 4 is a schematic view of the structure of FIG. 2 after the buffer plug has been removed;
fig. 5 is a schematic structural diagram of a buffer plug in the second embodiment.
The cladding head comprises a cladding head body 1, a mounting flange 2, a first conical block 3, a second conical block 4, a horizontal powder feeding channel 5, a buffer zone 6, a speed-reducing and powder-homogenizing zone 7, a water cooling cavity 8, a water inlet 9, a water outlet 10, a laser channel 11, a buffer cavity 12, a speed-reducing cavity 13, a vertical powder feeding channel 14, a water cooling sleeve 15, a powder feeding pipe 16, a rotating button 17, a through shaft 18, a circular disc 19, a third conical block 20, a first conical surface 3.1, a second conical surface 3.2, a third conical surface 4.1, a fourth conical surface 20.1 and a fifth conical surface 20.2.
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.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example one
Referring to fig. 1-3, the invention provides a water-cooling single-channel central powder feeding cladding head, which comprises a cladding head body 1 and a buffer plug, wherein the buffer plug is detachably connected with the cladding head body 1, and the cladding head body 1 is provided with a laser channel area, a powder feeding area and a water cooling area;
the laser channel area comprises a plurality of laser channels 11, and the laser channels 11 are arranged on the cladding head body 1 in a penetrating manner;
the powder feeding area comprises a vertical cavity and a plurality of horizontal powder feeding channels 5, the vertical cavity is axially communicated with the center of the cladding head body 1, the horizontal powder feeding channels 5 are radially arranged on the cladding head body 1, and the horizontal powder feeding channels 5 are communicated with the vertical cavity;
the buffer plug is detachably connected in the vertical cavity;
the laser channel 11, the vertical cavity and the water cooling area are not communicated with each other.
In a further preferable scheme, the vertical cavity comprises a buffer cavity 12, a deceleration cavity 13 and a vertical powder feeding channel 14, the deceleration cavity 13 is located between the buffer cavity 12 and the vertical powder feeding channel 14, the deceleration cavity 13 is of a taper hole structure, the large opening end of the deceleration cavity 13 is communicated with the buffer cavity 12, the small opening end of the deceleration cavity 13 is communicated with the vertical powder feeding channel 14, and the side surface of the buffer cavity 12 is communicated with the horizontal powder feeding channel 5.
Further preferred scheme, the buffering stopper includes mounting flange 2, 2 bottom rigid couplings of mounting flange have first taper block 3, 3 bottom rigid couplings of first taper block have second taper block 4, and mounting flange 2, first taper block 3, second taper block 4 design processing as an organic whole are made.
Further preferred scheme, a word groove has been seted up on 2 tops of mounting flange, 2 sides of mounting flange with buffer cavity 12 can dismantle the connection, mounting flange 2, first taper block 3 are in buffer cavity 12, second taper block 4 is in the speed reduction chamber 13, the screw thread has been seted up in the 2 outsides of mounting flange, has seted up the convex shoulder in the buffer cavity 12, mounting flange 2 and buffer cavity 12 threaded connection, and the fastening is realized on the pressfitting of 2 bottom surfaces of mounting flange to the convex shoulder.
In a further preferred embodiment, the first conical block 3 includes a first conical surface 3.1 and a second conical surface 3.2, the first conical surface 3.1, the second conical surface 3.2 and the buffer cavity 12 form a buffer area 6, the second conical block 4 includes a third conical surface 4.1, and the third conical surface 4.1 and the decelerating cavity 13 form a decelerating and powder-homogenizing area 7. The three paths of powder flows are blocked by the first conical surface 3.1 and the second conical surface 3.2 in the buffer area 6, the mutual influence between the self speed of the powder sprayed out from the spray pipe and different powder channels is effectively reduced, the effect of effective buffering is achieved, the speed is effectively reduced in the speed reduction and powder homogenizing area 7, the uniformity and the convergence of the powder are improved, the splashing of the powder caused by poor convergence to the periphery is reduced, and the utilization rate of the powder is improved.
Further preferred scheme, the water-cooling district includes water inlet 9, delivery port 10 and water-cooling chamber 8, water-cooling chamber 8 is seted up in cladding head body 1 side, water-cooling chamber 8 encircles laser channel 11, 8 one end in water-cooling chamber is seted up water inlet 9, the 8 other end in water-cooling chamber is seted up delivery port 10, and the cooling water is the thermal radiation region of constantly flowing through, takes away radiant energy, has reduced the damage that leads to the fact to cladding the head.
In a further preferred scheme, grooves are formed in the water inlet 9 and the water outlet 10, and quick connectors are convenient to install in the grooves.
The invention relates to a working principle of a water-cooling single-channel central powder feeding cladding head, which comprises the following steps:
powder enters a horizontal powder feeding channel 5 through a three-way powder feeding pipe 16, a buffer plug is in threaded connection with the inside of a buffer cavity 12 through a mounting flange 2, due to the action of the buffer plug, the powder entering from the three-way horizontal powder feeding channel 5 can be blocked in the buffer area 6, the interaction of three powder flows is prevented, the three powder flows enter a deceleration powder homogenizing area 7 formed by a second cone block 4 and a deceleration cavity 13 after passing through the buffer area 6, the speed of the powder flow can be effectively reduced due to the narrow and inclined gap of the formed deceleration powder homogenizing area 7 because the second cone block 4 and the deceleration cavity 13 are in conical structures, the powder flow finally enters a vertical powder feeding channel 14 after passing through the deceleration powder homogenizing area 7, the vertical center of the vertical powder feeding channel 14 is arranged, the inner diameter of the vertical powder feeding channel 14 is equal to the inner diameter of the conical small end of the deceleration cavity 13, the convergence operation of the three powder flows is finally realized, the mutual influence between the self speed and different powder flows after the powder is sprayed out from a, the splashing of the powder to the periphery due to poor convergence is reduced, the uniformity and the convergence of the powder can be realized through the design of the speed-reducing powder-homogenizing area 7 and the vertical powder-feeding channel 14, the utilization rate of the powder is improved, and the cladding quality is improved.
In the process of three-way powder flow powder feeding, laser enters through the laser channel 11, meanwhile, cooling water enters the water cooling cavity 8 from the water inlet 9 and flows out of the water outlet 10, the water cooling cavity 8 surrounds the laser channel 11, and the water cooling sleeve 15 is arranged on the outer side of the water cooling cavity 8, so that heat insulation is facilitated.
Example two
The difference between the embodiment and the first embodiment is that the buffer plug includes a mounting flange 2, a through shaft 18 penetrates through the mounting flange 2, one end of the through shaft 18 extends upward out of the mounting flange 2, a stepped disk 19 is fixedly connected to the side surface of the other end of the through shaft 18, the disk is arranged obliquely, a third cone block 20 is fixedly connected to the end portion, close to the disk, of the through shaft 18, the third cone block 20 includes a fourth cone surface 20.1 and a fifth cone surface 20.2, a horizontal powder feeding channel 5 is vertically arranged corresponding to the stepped disk 19, by arranging the stepped disk 19, powder flows are horizontally fed from the horizontal powder feeding channel 5 to the stepped disk 19, due to the inclined arrangement of the stepped disk 19, the three powder flows slowly slide layer by layer on the respective stepped disk 19, the influence of the interaction of the three powder flows is avoided, the powder flow conveying speed is slowed down, the powder flow conveying on the stepped disk 19 is more uniform, and finally the powder flows slide down from the stepped disk 19 to the third cone block 20, and further through the fourth conical surface 20.1 and the fifth conical surface 20.2, the powder flow conveying speed is further slowed down, because the gaps between the fourth conical surface 20.1 and the fifth conical surface 20.2 and the deceleration powder homogenizing area 7 formed by the vertical powder feeding channel are smaller, the blockage probability exists in the powder flow conveying process, through arranging the through shaft 18 and fixedly connecting the rotating button 17 at the end part of the through shaft 18, the third conical block 20 and the step-shaped disc 19 can be driven to rotate by rotating the rotating button 17, and the blockage dredging condition can be further realized.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. The utility model provides a water-cooling single channel center send powder to melt and cover head which characterized in that: the cladding head comprises a cladding head body (1) and a buffer plug, wherein the buffer plug is detachably connected with the cladding head body (1), and the cladding head body (1) is provided with a laser channel region, a powder feeding region and a water cooling region;
the laser channel area comprises a plurality of laser channels (11), and the laser channels (11) are arranged on the cladding head body (1) in a penetrating manner;
the powder feeding area comprises a vertical cavity and a plurality of horizontal powder feeding channels (5), the vertical cavity is axially arranged at the center of the cladding head body (1) in a penetrating manner, the horizontal powder feeding channels (5) are radially arranged on the cladding head body (1), and the horizontal powder feeding channels (5) are communicated with the vertical cavity;
the buffer plug is detachably connected in the vertical cavity;
the laser channel (11), the vertical cavity and the water cooling area are not communicated with each other.
2. The water-cooled single-channel central powder feeding cladding head of claim 1, wherein: the vertical cavity comprises a buffer cavity (12), a deceleration cavity (13) and a vertical powder feeding channel (14), the deceleration cavity (13) is located between the buffer cavity (12) and the vertical powder feeding channel (14), the deceleration cavity (13) is of a conical hole structure, the large opening end of the deceleration cavity (13) is communicated with the buffer cavity (12), the small opening end of the deceleration cavity (13) is communicated with the vertical powder feeding channel (14), and the side surface of the buffer cavity (12) is communicated with the horizontal powder feeding channel (5).
3. The water-cooled single-channel central powder feeding cladding head of claim 2, wherein: buffering stopper includes mounting flange (2), mounting flange (2) bottom rigid coupling has first taper block (3), first taper block (3) bottom rigid coupling has second taper block (4).
4. The water-cooled single-channel central powder feeding cladding head of claim 3, wherein: a word groove has been seted up on mounting flange (2) top, mounting flange (2) side with connection can be dismantled in cushion chamber (12), mounting flange (2), first taper block (3) are in cushion chamber (12), second taper block (4) are in speed reduction chamber (13).
5. The water-cooled single-channel central powder feeding cladding head of claim 4, wherein: first conical block (3) include first conical surface (3.1), second conical surface (3.2), first conical surface (3.1), second conical surface (3.2) with cushion chamber (12) form buffer (6), second conical block (4) include third conical surface (4.1), third conical surface (4.1) with speed reduction chamber (13) form speed reduction even powder region (7).
6. The water-cooled single-channel central powder feeding cladding head of claim 1, wherein: the water-cooling district includes water inlet (9), delivery port (10) and water-cooling chamber (8), set up in water-cooling chamber (8) melt and cover in head body (1) side, water-cooling chamber (8) encircle laser channel (11), water-cooling chamber (8) one end is seted up water inlet (9), water-cooling chamber (8) other end is seted up delivery port (10), water-cooling chamber (8) outside is provided with water cooling jacket (15).
7. The water-cooled single-channel central powder feeding cladding head of claim 1, wherein: the laser channels (11) are arranged in a circular array with the vertical cavity as the center.
8. The water-cooled single-channel central powder feeding cladding head of claim 6, wherein: grooves are formed in the water inlet (9) and the water outlet (10).
9. The water-cooled single-channel central powder feeding cladding head of claim 3, wherein: buffering stopper including mounting flange (2), it has logical axle (18) to link up from top to bottom mounting flange (2), lead to axle (18) with mounting flange (2) rotate and connect, lead to axle (18) one end and upwards stretch out mounting flange (2), it has notch cuttype disc (19) to lead to axle (18) other end side rigid coupling, disc (19) slope sets up, it is close to lead to axle (18) the tip rigid coupling of disc (19) has third taper piece (20), third taper piece (20) include the fourth conical surface (20.1) and fifth conical surface (20.2), level send whitewashed passageway (5) perpendicular to disc (19) set up.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010560290.0A CN111549343A (en) | 2020-06-18 | 2020-06-18 | Water-cooling single-channel center powder feeding cladding head |
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| CN202010560290.0A CN111549343A (en) | 2020-06-18 | 2020-06-18 | Water-cooling single-channel center powder feeding cladding head |
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Cited By (3)
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| CN113319294A (en) * | 2021-06-28 | 2021-08-31 | 南昌航空大学 | Detachable optical internal powder feeding laser additive manufacturing cladding head |
| CN113981439A (en) * | 2021-10-26 | 2022-01-28 | 镭速(北京)智能科技有限公司 | Laser powder feeding cladding head and laser cladding gun |
| CN115613029A (en) * | 2022-09-08 | 2023-01-17 | 河北光束激光科技有限公司 | A Marking Method of Oil Drill Pipe Based on Binary Code |
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Application publication date: 20200818 |
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