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CN109207994B - Three-section reciprocating laser cladding device and method - Google Patents

Three-section reciprocating laser cladding device and method Download PDF

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Publication number
CN109207994B
CN109207994B CN201811105830.5A CN201811105830A CN109207994B CN 109207994 B CN109207994 B CN 109207994B CN 201811105830 A CN201811105830 A CN 201811105830A CN 109207994 B CN109207994 B CN 109207994B
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laser
laser cladding
cladding
workpiece
powder
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CN109207994A (en
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阳建君
蒋小强
银锐明
孙斌
吴艳辉
蹇海根
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Hunan University of Technology
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Hunan University of Technology
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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C24/00Coating starting from inorganic powder
    • C23C24/08Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10Coating 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention relates to the technical field of laser material processing, and discloses a three-section reciprocating laser cladding device and method. The three-section reciprocating laser cladding device comprises a laser cladding head component, a laser generation controller and a powder feeder; the laser cladding head component is also fixedly connected with a first transmission device for driving the laser cladding head component to reciprocate along the horizontal direction; the laser cladding device also comprises a second transmission device for driving the workpiece to move. The device is characterized in that the transmission device is arranged on the laser cladding head component, so that the laser cladding head component reciprocates along the horizontal direction, the phenomena of air holes and cracks at the lap joint position of the cladding layer are effectively improved, and the device is simple in structure.

Description

Three-section reciprocating laser cladding device and method
Technical Field
The invention relates to the technical field of laser material processing, in particular to a three-section reciprocating laser cladding device and method.
Background
The laser cladding technology is typical representation of the laser surface treatment technology, various alloy series coatings or ceramic reinforced metal matrix composite layers can be prepared on different metal matrixes, and the metal matrixes after laser cladding treatment have the characteristics of flat coating, uniform and compact structure, metallurgical bonding of the layer matrix, wide performance adjustment range and the like, and can obviously improve the surface hardness, corrosion resistance and wear resistance of the matrixes.
The laser cladding technology comprises the steps of presetting metal powder on the surface of a substrate by using a powder spreading or feeding method, focusing a laser beam to irradiate the metal powder on the surface of the substrate, melting the metal powder at the focus position and a thin layer on the surface of the substrate to form a molten pool with a certain shape and size, and rapidly solidifying the molten pool after the laser beam moves away when the focus of the laser beam moves at a certain speed according to a preset track, so that a metal coating with special physical, chemical or mechanical properties is melted on the area swept by the laser beam on the surface of the substrate.
In the traditional cladding process, laser beams are converged through a fixed lens group of a central axis, powder flow convergence is realized through powder feeding flow channels symmetrically distributed along the same central axis, and the laser beams and the powder flow are converged on the same axis. The laser focusing point and the powder focusing point of the traditional coaxial cladding head are fixed, so that the phenomenon of air holes, cracks and the like easily occurs due to insufficient energy at the joint of the two layers of overlapping powder.
Disclosure of Invention
Aiming at the technical defects of the laser cladding device in the prior art, the invention aims to provide a novel three-section reciprocating laser cladding device, and the device is simple in structure, and the driving device is arranged on the laser cladding head component so that the laser cladding head component reciprocates along the horizontal direction, thereby effectively improving the phenomena of air holes and cracks at the lap joint part of the cladding layer.
The invention further aims to provide a three-section reciprocating laser cladding method, which comprises the steps of laser preheating, laser cladding and laser remelting in sequence, so that the temperature distribution of a heat affected zone is uniform, the temperature gradient is weakened, the internal thermal stress is effectively reduced, the cladding layer obtained by the method is uniform in structure, the internal porosity is reduced, and the strength of a lap joint is improved.
The aim of the invention is achieved by the following technical scheme:
a three-section reciprocating laser cladding device comprises a laser cladding head component, a laser generation controller and a powder feeder; the laser generation controller is fixedly connected with the laser cladding head component through a laser conveying channel and is used for generating laser beams and conveying the laser beams into the laser cladding head component, and the powder feeder is connected with the laser cladding head component and is used for spraying cladding powder into the laser cladding head component;
The laser cladding head component comprises a cladding head and a light guide cylinder fixed above the cladding head, and a lens is arranged in the light guide cylinder, so that a laser beam generated by a laser generation controller is focused on a workpiece; the laser cladding head component is also fixedly connected with a first transmission device which is used for driving the laser beam in the laser cladding head component to reciprocate along the horizontal direction;
The laser cladding device further comprises a second transmission device, and the second transmission device is used for driving the workpiece to move.
Further, the light guide cylinder is provided with a laser inlet along the upper side of the vertical direction, the cladding head is provided with a cladding nozzle along the lower side of the vertical direction, and the laser generation controller is connected with the laser inlet through a laser conveying channel.
Further, the first transmission device is arranged on one side of the laser cladding head component and comprises a cam, a baffle plate and a push rod, one end of the push rod is fixedly connected with the light guide cylinder, the other end of the push rod is in contact with the curved surface of the cam, and a through hole for the push rod to pass through is formed in the baffle plate; the first transmission device further comprises a spring, one end of the spring is connected with the push rod, and the other end of the spring is connected with the baffle plate.
Further, the push rod is in a T shape, the push rod comprises an upright post and a connecting block, the transverse part of the T shape is the connecting block, and the vertical part of the T shape is the upright post; one end of the spring is fixedly connected with the upright post, and the other end of the spring is fixedly connected with the baffle plate; one end of the connecting block is fixedly connected with the light guide cylinder, and the other end of the connecting block is fixedly connected with the upright post.
Further, the second transmission device comprises a fixing frame, a plurality of guide rails are arranged on the fixing frame in parallel, the workpiece is placed on the guide rails, and a driving mechanism is connected to the guide rails and used for driving the guide rails to drive the workpiece to move.
Further, the powder feeder is connected with a powder pipe through joint through a powder feeding pipe, a powder channel is further arranged on the cladding head, and the powder pipe through joint is connected with a powder channel inlet.
Further, the powder feeder is also connected with an air source, the air source is connected with the laser cladding head component through an air path pipeline and is used for providing protective gas, the air path pipeline is also provided with an air valve and an air tap, and the air tap is connected with the cladding head in a matched manner and sprays the protective gas into the cladding head.
Further, the gas path pipeline is also provided with a gas flowmeter for controlling the flow of the shielding gas.
Further, a protective mirror is arranged in the light guide cylinder, and the protective mirror is arranged below the lens.
A laser cladding method utilizing the three-section reciprocating laser cladding device comprises the following steps:
S1, mechanically polishing a prepared workpiece, cleaning, fixing on a workbench for standby, drying and dehydrating cladding powder at high temperature, cooling and then placing into a powder feeder for standby;
s2, opening a laser generation controller in the laser cladding device, simultaneously opening an air valve, focusing a laser beam on the surface of the workpiece, and performing preheating treatment on the workpiece;
s3, opening a powder feeder, feeding laser cladding powder to a laser spot on the surface of the workpiece, starting to carry out laser cladding on the surface of the workpiece, and synchronously feeding the laser cladding powder to the laser spot on the surface of the workpiece by the powder feeder for supplementation;
S4, after the laser cladding process is finished, closing the powder feeder, adjusting the technological parameters of the laser beam, and carrying out laser remelting on the surface of the workpiece;
S5, closing the laser generation controller and the air valve after the laser remelting process is finished.
The laser cladding method provided by the invention can be applied to different working environments such as point type, linear type or surface type, wherein the point type is to carry out three cladding processes at one point, then move to the next point to carry out three-to-cladding processes, the process is continuously carried out, the laser cladding method is mainly applied to irregular and small parts, the linear type is to carry out laser preheating on a straight line, then carry out laser cladding on the straight line, then carry out laser remelting, the method is mainly applied to round workpieces and common irregular workpieces, the surface type is on the basis of the linear type, and the cladding width is very large and the method is mainly applied to square workpieces.
Compared with the prior art, the invention has the beneficial effects that:
according to the three-section reciprocating type laser cladding device provided by the invention, the transmission device is arranged on the laser cladding head component, so that laser beams in the laser cladding head component do reciprocating motion along the horizontal direction, and the transmission device on the workbench is matched, so that a workpiece can move in the cladding process, and the laser cladding of the whole workpiece surface can be gradually completed.
By adopting the laser cladding method of the three-section reciprocating laser cladding device, which is matched with the reciprocating motion of the laser cladding head component, the structure of the lap joint position of the two layers of cladding layers is uniform, the surface quality is good, the internal porosity is obviously reduced, and the strength of the lap joint position is also greatly improved.
The laser cladding method can respectively adopt different laser cladding means such as point type, linear type, surface type and the like for workpieces with different shapes, adopts point type de-cladding when a finer irregular small object needs to be clad, and can adopt linear type or surface type cladding when a more regular shape needs to be clad; the method provided by the invention has wide application range and strong applicability.
Drawings
FIG. 1 is a schematic diagram of a three-stage reciprocating laser cladding apparatus of embodiment 1;
FIG. 2 is a schematic diagram of a conventional laser cladding trace;
FIG. 3 is a schematic diagram of a three-stage reciprocating laser cladding trace of example 1;
FIG. 4 is a schematic illustration of dot pattern three-stage reciprocating laser cladding of example 1;
FIG. 5 is a schematic view of a line-type three-segment reciprocating laser cladding of example 1;
FIG. 6 is a schematic view of a three-stage reciprocating laser cladding in the area form of example 1;
The laser cladding device comprises a 1-laser cladding head component, a 11-cladding head, a 12-light guide cylinder, a 13-laser inlet, a 14-cladding nozzle, a 2-laser generation controller, a 21-laser conveying channel, a 22-laser beam, a 3-powder feeder, a 31-powder feeding pipe, a 32-powder pipe straight-through connector, a 4-lens, a 5-first transmission device, a 51-cam, a 52-baffle, a 53-push rod, a 531-upright post, a 532-connecting block, a 54-spring, a 6-air source, a 61-air channel pipeline, a 62-air valve, a 63-air tap, a 64-air flowmeter, a 7-protection mirror, an 8-second transmission device, a 81-fixing frame, a 82-guide rail, a 83-driving mechanism and a 9-workpiece.
Detailed Description
The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown, for the purpose of illustrating the invention, but the scope of the invention is not limited to the specific embodiments shown.
Unless defined otherwise, all technical and scientific terms used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the scope of the present invention.
Unless otherwise specifically indicated, the various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or may be prepared by existing methods.
Example 1
As shown in fig. 1, the present embodiment provides a three-stage reciprocating laser cladding apparatus, which includes a laser cladding head member 1, a laser generating controller 2 and a powder feeder 3, wherein the laser generating controller 2 is fixedly connected with the laser cladding head member 1 through a laser conveying channel 21, and is used for generating a laser beam 22 and conveying the laser beam into the laser cladding head member 1 through the laser conveying channel 21, and the powder feeder 3 is connected with the laser cladding head member 1, and is used for spraying cladding powder into the laser cladding head member 1.
The laser cladding head component 1 comprises a cladding head 11 and a light guide cylinder 12 fixed above the cladding head 11, wherein a lens 4 is arranged in the light guide cylinder 12, so that a laser beam 22 is focused on a workpiece 9, and the laser cladding head component 1 is also fixedly connected with a first transmission device 5 for driving the laser cladding head component 1 to reciprocate along the horizontal direction; the upper side of the light guide cylinder 12 along the vertical direction is provided with a laser inlet 13, the lower side of the cladding head 11 along the vertical direction is provided with a cladding nozzle 14, the laser generation controller 2 is connected with the laser inlet 13 through a laser conveying channel 21, and a laser beam 22 generated by the laser generation controller 2 sequentially passes through the laser conveying channel 21, the laser inlet 13, the light guide cylinder 12 and the cladding head 11 and then is converged on the surface of the workpiece 9 through the cladding nozzle 14.
The first transmission device 5 is arranged on one side of the laser cladding head component 1, the first transmission device 5 comprises a cam 51, a baffle plate 52 and a push rod 53, one end of the push rod 53 is fixedly connected with the light guide cylinder 12, the other end of the push rod is in contact with the curved surface of the cam 51, a through hole through which the push rod 53 can pass is formed in the baffle plate 52, and the push rod 53 can freely reciprocate along the through hole under the driving of the cam 51; the first transmission 5 further includes a spring 54, one end of the spring 54 is connected to the push rod 53, and the other end is connected to the shutter 52. In this embodiment, the push rod 53 is preferably in a T shape, and the push rod 53 in this embodiment includes a vertical column 531 and a connecting block 532, where the transverse portion of the T shape is the connecting block 532, the vertical portion of the T shape is the vertical column 531, one end of the spring 54 is fixedly connected with the vertical column 531, the other end is fixedly connected with the baffle plate 52, one end of the connecting block 532 is fixedly connected with the light guide tube 12, and the other end is fixedly connected with the vertical column 531.
The powder feeder 3 is connected with a powder tube through joint 32 through a powder feeding tube 31, a powder channel 100 is further arranged on the cladding head 11, and the powder tube through joint 32 is connected with an inlet of the powder channel 100. In order to better protect the laser generation controller 2, the powder feeder 3 of the embodiment can be further connected with a gas source 6 for conveying protective gas, the gas source 6 is connected with the laser cladding head component 1 through a gas path pipeline 61, the gas path pipeline 61 is further provided with a gas valve 62 and a gas nozzle 63, the gas nozzle 63 is connected with the cladding head 11 in a matching way in the embodiment, and protective gas is sprayed into the cladding head 11, and the protective gas in the embodiment can be argon gas, so that the functions of oxidation prevention and laser head protection are achieved; the air tap 63 can be provided with external threads, through holes are formed in corresponding positions of the cladding heads 11, internal threads are arranged in the through holes, and the external threads of the air tap 63 are matched and connected with the internal threads in the through holes. In order to better control the flow of the shielding gas, in this embodiment, a gas flowmeter 64 may be further disposed on the gas path pipe 61, so as to accurately control the flow of the shielding gas according to actual needs.
The laser cladding device of the present embodiment can also achieve the purpose of protecting the laser generation controller 2 by providing the protection mirror 7 in the light guide tube 12, and the protection mirror 7 is provided below the lens 4.
The laser cladding device of the embodiment further comprises a second transmission device 8 for driving the workpiece 9 to move. The second transmission device 8 provided in this embodiment is similar to a conventional horizontal conveyor belt, and includes a fixing frame 81, a plurality of guide rails 82 are disposed on the fixing frame 81 in parallel, and a driving mechanism 83 is connected to the guide rails 82 and is used for driving the guide rails 82 to drive the workpiece 9 to move back and forth. The driving mechanism 83 of the present embodiment is preferably a motor, and the motor may be a motor that operates intermittently, and the circuit design is adopted, specifically, a motor intermittent operation circuit, and the time is only required to be set in practice (the motor intermittent operation circuit is not explicitly shown in the drawings, and is not represented that it cannot be set intermittently).
The fixing connection in this embodiment can be a conventional connection manner such as a bolt and a nut, and thus will not be described herein.
The working process of the three-section reciprocating laser cladding device of the embodiment is as follows: along with the contact of the upright post and the curved surface of the cam, the spring between the upright post and the baffle is compressed under the pushing of the cam, the push rod and the laser cladding head component move rightwards, light spots formed by laser beams move from the left edge to the right edge of the surface of a workpiece, and a motor in the second transmission device does not work, namely the workpiece is kept still in the moving process of the laser cladding head component; after the light spot moves to the rightmost edge of the workpiece, the motor starts to work, the second transmission device drives the workpiece to move forwards for a certain distance, meanwhile, as the stand column is separated from contact with the curved surface of the cam, the spring slowly resets, the push rod and the laser cladding head component move leftwards under the action of the spring, the light spot formed by the laser beam moves from the right edge to the left edge of the surface of the workpiece, and after the light spot moves to the leftmost edge of the workpiece, the stand column and the curved surface of the cam start to contact again; the above process is repeated until the whole surface of the workpiece forms a cladding layer, and the track of the light spot on the surface of the workpiece is shown as figure 3 and takes on a shape of a Chinese character 'ji'.
Compared with the traditional laser cladding track schematic diagram in fig. 2, the three-section reciprocating cladding device provided by the invention can greatly save cladding time, reduce waste of expensive powder, improve cladding speed and realize high cladding layer smoothness compared with the traditional laser cladding process.
Example 2
The embodiment provides a three-section reciprocating laser cladding method, which comprises the following steps:
S1, mechanically polishing a prepared workpiece, cleaning, fixing on a workbench for standby, drying and dehydrating cladding powder at high temperature, cooling and then placing into a powder feeder for standby;
s2, opening a laser generation controller in the laser cladding device, simultaneously opening an air valve, focusing a laser beam on the surface of the workpiece, and performing preheating treatment on the workpiece;
s3, opening a powder feeder, feeding laser cladding powder to a laser spot on the surface of the workpiece, starting to carry out laser cladding on the surface of the workpiece, and synchronously feeding the laser cladding powder to the laser spot on the surface of the workpiece by the powder feeder for supplementation;
S4, after the laser cladding process is finished, closing the powder feeder, adjusting the technological parameters of the laser beam, and carrying out laser remelting on the surface of the workpiece;
S5, closing the laser generation controller and the air valve after the laser remelting process is finished.
The method of the embodiment is adopted to carry out point type, line type and surface type laser cladding on different workpiece types, and the point type, the line type and the surface type laser cladding are shown in figures 4-6.
As can be seen from fig. 4 to 6, by combining the reciprocating laser cladding device and the three-section laser cladding method, the three-section cladding is finished on the surfaces of different types of workpieces by adopting point type, line type and surface type laser cladding means respectively, so that the structure of the lap joint position of the two layers of the cladding layer is uniform, the surface quality is good, the internal porosity is obviously reduced, and the strength of the lap joint position is also greatly improved.
It is apparent that the above examples are only examples for clearly illustrating the technical solution of the present invention, and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (9)

1. The three-section reciprocating laser cladding method is characterized by being realized by adopting a three-section reciprocating laser cladding device, wherein the three-section reciprocating laser cladding device comprises a laser cladding head component, a laser generation controller and a powder feeder; the laser generation controller is fixedly connected with the laser cladding head component through a laser conveying channel and is used for generating laser beams and conveying the laser beams into the laser cladding head component, and the powder feeder is connected with the laser cladding head component and is used for spraying cladding powder into the laser cladding head component; the laser cladding head component comprises a cladding head and a light guide cylinder fixed above the cladding head, and a lens is arranged in the light guide cylinder, so that a laser beam generated by a laser generation controller is focused on a workpiece; the laser cladding head component is also fixedly connected with a first transmission device which is used for driving the laser beam in the laser cladding head component to reciprocate along the horizontal direction; the first transmission device is arranged on one side of the laser cladding head component and comprises a cam, a baffle plate and a push rod, one end of the push rod is fixedly connected with the light guide cylinder, the other end of the push rod is in contact with the curved surface of the cam, and a through hole for the push rod to pass through is formed in the baffle plate; the first transmission device further comprises a spring, one end of the spring is connected with the push rod, and the other end of the spring is connected with the baffle plate; the laser cladding device also comprises a second transmission device for driving the workpiece to move;
The push rod is in a T shape, the push rod comprises an upright post and a connecting block, the transverse part of the T shape is the connecting block, the vertical part of the T shape is the upright post, one end of the spring is fixedly connected with the upright post, the other end of the spring is fixedly connected with the baffle, one end of the connecting block is fixedly connected with the light guide cylinder, and the other end of the connecting block is fixedly connected with the upright post;
Along with the contact of the upright post and the curved surface of the cam, the spring between the upright post and the baffle is compressed under the pushing of the cam, the push rod and the laser cladding head component move rightwards, a light spot formed by the laser beam moves from the left edge to the right edge of the surface of the workpiece, a motor in the second transmission device does not work in the moving process of the laser cladding head component, and the workpiece is kept static; after the light spot moves to the rightmost edge of the workpiece, the motor starts to work, and the second transmission device drives the workpiece to move forwards for a certain distance; along with the separation of the upright post from the curved surface of the cam, the spring slowly resets, the push rod and the laser cladding head component move leftwards under the action of the spring, a light spot formed by the laser beam moves from the right edge to the left edge of the surface of the workpiece, and after the light spot moves to the leftmost edge of the workpiece, the upright post and the curved surface of the cam are contacted again; repeating the above processes until the whole surface of the workpiece forms a cladding layer, wherein the light spots show a 'I' -shaped track on the surface of the workpiece;
The three-section reciprocating laser cladding method comprises three cladding processes of laser preheating, laser cladding and laser remelting, wherein the laser cladding process is to open a powder feeder, and send laser cladding powder to a laser spot on the surface of a workpiece for laser cladding; the laser remelting process is to turn off the powder feeder after the laser cladding process is finished, adjust the technological parameters of laser beams, and carry out laser remelting on the surface of the workpiece so as to lead the structure of the lap joint position of the two layers of the cladding layer to be uniform.
2. The three-section reciprocating laser cladding method according to claim 1, wherein a laser inlet is arranged above the light guide cylinder in the vertical direction, a cladding nozzle is arranged below the cladding head in the vertical direction, and the laser generation controller is connected with the laser inlet through a laser conveying channel.
3. The three-section reciprocating laser cladding method according to claim 2, wherein the push rod is in a T shape, the push rod comprises an upright post and a connecting block, the transverse part of the T shape is the connecting block, and the vertical part of the T shape is the upright post; one end of the spring is fixedly connected with the upright post, and the other end of the spring is fixedly connected with the baffle plate; one end of the connecting block is fixedly connected with the light guide cylinder, and the other end of the connecting block is fixedly connected with the upright post.
4. The three-section reciprocating laser cladding method according to claim 1, wherein the second transmission device comprises a fixing frame, a plurality of guide rails are arranged on the fixing frame in parallel, the workpiece is placed on the guide rails, and a driving mechanism is connected to the guide rails and used for driving the guide rails to drive the workpiece to move.
5. The three-section reciprocating laser cladding method according to claim 1, wherein the powder feeder is connected with a powder pipe through joint through a powder feeding pipe, a powder channel is further arranged on the cladding head, and the powder pipe through joint is connected with a powder channel inlet.
6. The three-section reciprocating laser cladding method according to claim 1, wherein the powder feeder is further connected with an air source, the air source is connected with a laser cladding head component through an air path pipeline and is used for providing protective gas, the air path pipeline is further provided with an air valve and an air tap, and the air tap is connected with the cladding head in a matching way and sprays the protective gas into the cladding head.
7. The three-stage reciprocating laser cladding method according to claim 6, wherein a gas flowmeter is further arranged on the gas path pipeline for controlling the flow of the shielding gas.
8. The three-section reciprocating laser cladding method according to claim 1, wherein a protective mirror is further arranged in the light guide tube, and the protective mirror is arranged below the lens.
9. The three-stage reciprocating laser cladding method of claim 6, comprising the steps of:
S1, mechanically polishing a prepared workpiece, cleaning, fixing on a workbench for standby, drying and dehydrating cladding powder at high temperature, cooling and then placing into a powder feeder for standby;
s2, opening a laser generation controller in the laser cladding device, simultaneously opening an air valve, focusing a laser beam on the surface of the workpiece, and performing preheating treatment on the workpiece;
s3, opening a powder feeder, feeding laser cladding powder to a laser spot on the surface of the workpiece, starting to carry out laser cladding on the surface of the workpiece, and synchronously feeding the laser cladding powder to the laser spot on the surface of the workpiece by the powder feeder for supplementation;
S4, after the laser cladding process is finished, closing the powder feeder, adjusting the technological parameters of the laser beam, and carrying out laser remelting on the surface of the workpiece;
S5, closing the laser generation controller and the air valve after the laser remelting process is finished.
CN201811105830.5A 2018-09-21 2018-09-21 Three-section reciprocating laser cladding device and method Active CN109207994B (en)

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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
CN114059062B (en) * 2021-10-29 2023-07-25 华北电力大学 A laser cladding cooling and protection device
CN114737183A (en) * 2022-03-09 2022-07-12 山东能源重装集团大族再制造有限公司 A sprocket laser cladding method
CN115341209A (en) * 2022-07-29 2022-11-15 马鞍山市恒泰重工机械有限公司 Manufacturing process of laser cladding wear-resistant alloy roller
CN117464027B (en) * 2023-11-06 2024-04-09 苏州朗威电子机械股份有限公司 Carbide ceramic steel plate heterostructure composite board preparation equipment and technology

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110129790A (en) * 2019-06-20 2019-08-16 河北敬业增材制造科技有限公司 A kind of laser cladding equipment of applicable industry robot
CN209537628U (en) * 2018-09-21 2019-10-25 湖南工业大学 A kind of three sections of reciprocating laser cladding apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW511555U (en) * 2001-04-27 2002-11-21 Sheen Tzar Co Ltd Drill bit forming machine for screw
CN105862031A (en) * 2016-05-18 2016-08-17 天津市宏岱国际贸易有限公司 Integrated laser cladding head
CN107675171A (en) * 2017-01-18 2018-02-09 广州泰格激光技术有限公司 A kind of method of laser repairing rod journal
KR20180101817A (en) * 2017-03-06 2018-09-14 에스아이에스 주식회사 Laser Cladding Built-up Control System
CN106862770B (en) * 2017-03-10 2018-11-13 浙江工业大学 Laser cladding head component with adjustable cladding track
CN206614147U (en) * 2017-03-10 2017-11-07 浙江工业大学 The adjustable laser cladding apparatus of cladding track
CN207062382U (en) * 2017-06-15 2018-03-02 昆明理工大学 A kind of device of horizontal vibration field auxiliary laser cladding

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209537628U (en) * 2018-09-21 2019-10-25 湖南工业大学 A kind of three sections of reciprocating laser cladding apparatus
CN110129790A (en) * 2019-06-20 2019-08-16 河北敬业增材制造科技有限公司 A kind of laser cladding equipment of applicable industry robot

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