CN210163523U

CN210163523U - Laser cladding device with powder feeding in light

Info

Publication number: CN210163523U
Application number: CN201920606345.XU
Authority: CN
Inventors: 夏志新; 徐加超; 赵栋
Original assignee: Suzhou University
Current assignee: Suzhou University
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-03-20
Anticipated expiration: 2029-04-29

Abstract

The utility model relates to a send whitewashed laser cladding device in light belongs to the laser beam machining field. The device for laser cladding of powder feeding in light comprises a laser head assembly, wherein the laser head assembly comprises a supporting seat and a nozzle, the supporting seat is provided with a spectroscope, two reflecting focusing mirrors and a fine adjustment device for fixing and adjusting the inclination angle of each reflecting focusing mirror, the spectroscope receives an incident beam and reflects the incident beam to form a reflected beam, and the two reflecting focusing mirrors respectively receive the reflected beam and respectively convert the reflected beam into two focused beams with different focuses. The utility model relates to a send whitewashed laser cladding device in light receives the reflected beam respectively through the reflection focusing mirror and turns into the different focus light beam of twice focus with the reflected beam, is used for the surface treatment and the laser cladding to the base member respectively, realizes the carrier and gos forward, retreat, clearance and repair the quick location of in-process facula through the electrodeless regulation in reflection focusing mirror inclination of micromatic setting, improves machining efficiency.

Description

Laser cladding device with powder feeding in light

Technical Field

The utility model relates to a send whitewashed laser cladding device in light belongs to the laser beam machining field.

Background

The railway operation in China is high-speed and heavy-load, the damage of the steel rail is increasingly serious, and the problems of low working efficiency, large resource waste, severe working environment, insufficient impact toughness of a welding repair layer, difficulty in ensuring repair quality and the like exist in the traditional process of repairing the surface of the worn steel rail. The laser online repair technology can well solve the problems, not only can reduce cost, shorten construction period and improve efficiency, but also is difficult to look at the traditional technology in repair quality.

The laser repair is a cleaning and repairing process, the surface of a base body needs to be treated before the base body is machined so as to ensure the machining quality of laser cladding, the existing laser cladding equipment can only singly realize a certain function, other equipment is needed for treating the surface of the base body, and the base material is often positioned for many times during machining, so that the machining efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can rust cleaning simultaneously and restore the product to when the carrier switches repair position, change direction of motion, through the micromatic setting on the reflection focusing mirror subassembly, to the electrodeless regulation in reflection focusing mirror inclination, will focus the quick automatic location of facula and wait to restore the position.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a send powder laser cladding device in light includes the laser head subassembly, the laser head subassembly includes the supporting seat and is located the nozzle of supporting seat below, be equipped with spectroscope, two reflection focusing mirrors on the supporting seat and be used for fixing and adjusting every the micromatic setting of reflection focusing mirror position, the spectroscope receives incident beam and will incident beam reflection forms the reflected beam, two reflection focusing mirrors receive the reflected beam respectively and will the reflected beam turns into the different focused beam of twice focus, reflection focusing mirror including with the reflected beam turn into focused beam the focus face and respectively with left surface and right flank that the focus face is connected. The support seat is provided with a powder feeding inlet communicated with the powder chamber, the powder feeding laser cladding device in the light further comprises a laser head mounting plate connected to the laser head assembly and a carrier connected to the laser head mounting plate, the fine adjustment device comprises a frame body and a first rotating shaft arranged on the frame body, the first rotating shaft is connected with the left side surface and the frame body and connected with the right side surface and the frame body, the reflection focusing mirror is relative to the frame body by taking the first rotating shaft as an axis, the fine adjustment device further comprises a first adjustment structure for pushing the reflection focusing mirror to rotate, the first adjustment structure comprises a connecting rod for pushing the reflection focusing mirror to rotate, one end of the connecting rod is hinged on the reflection focusing mirror, the other end of the connecting rod is hinged with a sliding block in the fine adjustment device, the sliding block is connected with a driving motor, and the driving motor is fastened on the motor mounting seat by a clamping sleeve, the motor mounting seat is connected on the frame body, a compression spring is connected on the frame body, one end of the compression spring is connected on the reflection focusing mirror, and the other end of the compression spring is connected on the frame body below the motor mounting seat.

Furthermore, a sliding rail structure used for reducing friction resistance between a sliding block and the motor mounting seat is processed on the motor mounting seat, a ball is preset in the sliding block, a lead screw penetrates through the sliding block, the ball and the lead screw form rolling friction, friction resistance moment is reduced, transmission precision is improved, the lead screw is connected to a main shaft of the driving motor, a vertical plate is upwards formed at one end, away from the driving motor, of the motor mounting seat, a bearing hole used for accommodating the lead screw is formed in the vertical plate, and a bearing matched with the lead screw is arranged in the bearing hole.

Further, the fine-adjustment device further comprises a second adjusting structure, the second adjusting structure comprises a second rotating shaft arranged at the lower part of the support body, a shaft hole matched with the second rotating shaft is formed in the supporting seat, and the support body is opposite to the second rotating shaft serving as the shaft center in the supporting seat rotating mode.

Furthermore, the second adjusting structure further comprises a threaded hole formed in the lower portion of the reflector shell, an arc-shaped groove is formed in the supporting seat, and a nut penetrates through the arc-shaped groove opening and the supporting seat.

Furthermore, the nozzle comprises a powder chamber and a powder conveying pipe, a powder separating sieve is arranged at the joint of the powder chamber and the powder conveying pipe, the powder separating sieve is in a thin plate shape, and a plurality of powder separating holes are formed in the powder separating sieve; the powder conveying pipe is sleeved with a gas conveying pipe, the inner diameter of the gas conveying pipe is slightly larger than the outer diameter of the powder conveying pipe, and a collimation protective gas conveying inlet is arranged on the gas conveying pipe; the powder delivery pipe end sets up out the powder mouth, sets up a plurality of powder outlet holes that supply the powder to flow out on the powder outlet mouth, and the powder outlet hole is big-end-up's bell mouth, is provided with the powder feeding mouth with powder chamber intercommunication on the supporting seat, and the nozzle upper end has the powder feeding mouth of setting on the supporting seat.

Furthermore, a support cover is further arranged on the support base, a containing space used for containing the spectroscope and the reflection focusing mirror is formed by the support base and the support cover in an enclosing mode, and an opening which enables the containing space to be communicated with the outside and enables the incident light beams to pass through is formed in the top of the support cover.

Further, the support cover is provided with a support cover side wall, the support cover side wall is provided with a flashboard and a gate, and the flashboard is sealed at the gate.

Furthermore, the supporting seat is a cylinder, the supporting seat has an upper surface, a fixing groove for fixing each fine adjustment device and a light outlet penetrating through the supporting seat are formed in the upper surface in a concave manner, and the light outlet is used for the focused light beam to pass through.

Furthermore, a spectroscope groove for fixing the spectroscope is formed in the upper surface in a concave mode, a central perpendicular line of the supporting seat is overlapped with an optical axis of the spectroscope, and each fixing groove is evenly arranged on the periphery of the upper surface of the supporting seat relative to the spectroscope groove.

Furthermore, the device for laser cladding by feeding powder in the light also comprises a first cooling system, wherein the first cooling system comprises pipelines for connecting two reflection focusing mirrors and cooling channels formed in each reflection focusing mirror, each pipeline is in butt joint with the cooling channels, two ends of each pipeline are provided with a water pipe male joint, two sides of each cooling channel are provided with channel ports, and each channel port is provided with a water pipe female joint in butt joint with the water pipe male joint.

Further, the device for laser cladding of powder feeding in the light also comprises a second cooling system, wherein the second cooling system comprises a water inlet channel, a water outlet channel and a spectroscope inner cavity formed in a spectroscope, the water inlet channel and the water outlet channel are respectively in butt joint with the spectroscope inner cavity, the water inlet channel and the water outlet channel are arranged in the supporting seat, the water inlet channel is provided with a second water inlet formed on the side wall of the supporting seat, and the water outlet channel is provided with a second water outlet formed on the side wall of the supporting seat.

The beneficial effects of the utility model reside in that: the utility model relates to a send whitewashed laser cladding device in light, receive the reflected beam respectively through the reflection focusing mirror and turn into the different focus light beam of twice focus with the reflected beam, simultaneously through the micromatic setting on the reflection focusing mirror, back-and-forth movement at the carrier, when switching restoration position, can carry out electrodeless regulation to reflection focusing mirror inclination, fix a position the assigned position fast with the facula after focusing, it is poor to compensate manual regulation precision, low efficiency, frequently fix a position shortcoming such as intensity of labour is big, conveniently carry out surface treatment and laser cladding to the base member, reduce the location demand, improve the restoration quality, machining efficiency, and the operation cost is reduced. In addition, the arrangement of the powder conveying pipe and the gas conveying pipe in the nozzle enables the powder conveying to be more uniform, a circle of collimated protective gas is formed around the powder and the molten pool, and the cladding quality is further improved.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is the overall structure schematic diagram of the laser head assembly of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the laser head assembly.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic diagram of the overall structure of the laser head assembly.

FIG. 5 is a schematic view of the reverse side of the laser head assembly.

Fig. 6 is a schematic view of the overall structure of the nozzle.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Refer to fig. 1 and fig. 2, the utility model discloses a send whitewashed laser cladding device in light, including laser head subassembly 1, laser head subassembly 1 includes supporting seat 11 and the nozzle 12 that is located supporting seat 11 below, be equipped with spectroscope 2 on the supporting seat 11, two reflection focusing mirrors 3 and be used for fixing and adjust the micromatic setting 4 of every reflection focusing mirror 3 position, spectroscope 2 receives incident beam and forms the reflected beam with incident beam reflection, two reflection focusing mirrors 3 receive the reflected beam respectively and turn into the reflected beam into the focus light beam that the twice focus is different, reflection focusing mirror 3 includes the focus face 31 that turns into the reflected beam and left surface 32 and the right flank 33 of being connected with focus face 31 respectively.

Referring to fig. 3, in the above embodiment, the fine adjustment device 4 includes a frame body 41 and a first rotating shaft 42 disposed on the frame body 41, the first rotating shaft 42 connects the left side surface 32 and the frame body 41, and connects the right side surface 33 and the frame body 41, the reflection focusing mirror 3 rotates relative to the frame body 41 with the first rotating shaft 42 as an axis, and the fine adjustment device 4 further includes a first adjustment structure 43 for pushing the reflection focusing mirror 3 to rotate. The angle of the focused beam formed by the reflection focusing mirror 3 is adjusted by rotating the reflection focusing mirror 3 with respect to the frame body 41 around the first rotation axis as an axis. The focused beams comprise a derusting beam and a cladding beam, the angles of the derusting beam and the cladding beam are adjusted by reflecting the focusing mirror 3, the positions of light spots of the two focused beams are further adjusted, the derusting beam can be aligned to the position to be processed on the surface of the substrate, and the cladding beam is aligned to the axis of the nozzle 12, so that the processing precision is improved.

Referring to fig. 3 and 4, in the above embodiment, the first adjusting structure 43 includes a connecting rod 431 for pushing the reflective focusing mirror 3 to rotate, one end of the connecting rod 431 is hinged to the upper end surface of the reflective focusing mirror 3, the other end is connected to a sliding block 432, balls are preset in the sliding block 432 and are matched with an upper raceway of a lead screw, so that the frictional resistance distance can be reduced, the transmission precision is improved, the other end of the lead screw is connected to a driving motor 434, the driving motor 434 is fastened on a motor mounting base 433 by a sleeve, the motor mounting base 433 is fixed on the frame body 41, a compression spring (not shown) is preset between the frame body 41 and the reflective focusing mirror, one end of the compression spring is connected to the reflective focusing mirror 3, the other end of the compression spring is connected to the frame body 41 below the motor mounting base 433, a sliding rail 4331 is machined on the motor mounting base 433, so that, a threaded hole (not shown) is formed in the slider 432, a lead screw 4322 is arranged in the threaded hole, the lead screw 4322 is connected to the spindle of the driving motor 434, a vertical plate 4324 is formed upward at one end of the motor mounting base 433 away from the driving motor 434, a receiving hole (not shown) for receiving the lead screw 4322 is formed in the vertical plate 4324, and a bearing (not shown) matched with the lead screw 4321 is arranged in the receiving hole. In the adjustment process, drive lead screw 4322 through driving motor 434 and rotate, lead screw 4322 rotates and drives slider 432 and slide on slide rail 4331, drive the motion of connecting rod 431 of connection on slider 432 in the time of slider 432 motion, and then connecting rod 431 drives reflection focus mirror 3 and rotates along first pivot 42, thereby reach the purpose of adjusting reflection focus mirror 3, can give reflection focus mirror 3 certain pretightning force through compression spring's setting, reduce lead screw 4322 and slider 432, slider 432 and connecting rod 431, the influence in cooperation clearance between connecting rod 431 and the reflection focus mirror 3, thereby make the regulation to reflection focus mirror 3 more accurate reliable. The driving motor 434 is connected to the frame body 41, and the driving motor 434 adopts a screw gear reduction motor in the actual implementation process.

Referring to fig. 5, the fine adjustment device 4 further includes a second adjustment structure 44, the second adjustment structure 44 includes a second rotating shaft 441 disposed at a lower portion of the frame body 41, the supporting base 11 is provided with a shaft hole (not shown) matching with the second rotating shaft 441, the frame body 41 rotates relative to the supporting base 11 with the second rotating shaft 441 as an axis, the second adjustment structure 44 further includes a threaded hole (not shown) disposed at a lower portion of the frame body 41, and the supporting base 11 is provided with an arc-shaped groove 111. The circumferential position of the reflection focusing mirror 2 on the frame body 41 is adjusted by rotating the frame body 41, so that the focus of a focused light beam is adjusted, and the frame body 41 is fixed on the supporting seat 11 through a screw (not shown) after the focus is adjusted, so that the position of the reflection focusing mirror 3 is prevented from deviating in the use process, and the stability and the reliability of the operation of the powder feeding laser cladding device in the light are improved.

Referring to fig. 6, a support cover 112 is further disposed on the support base 11, a storage space for storing the spectroscope 2 and the reflective focusing mirror 3 is defined by the support base 11 and the support cover 112, so that the overall structure of the device is more compact, and the device has a dustproof function, and an opening 1121 for communicating the storage space with the outside and allowing the incident light beam to pass therethrough is disposed at the top of the support cover 112; the seat cover 112 has a seat cover sidewall 1122, and the seat cover sidewall 1122 is provided with a plurality of gate plates 1122-1 and gate openings 1122-2 in a circular array, and the gate plates 1122-1 seal the gate openings 1122-2. The supporting base 11 is a cylinder, the supporting base 11 has an upper surface 112, a fixing groove 1131 for fixing each fine tuning device 4 and a light outlet 1132 penetrating through the supporting base 11 are formed in the upper surface 113, and the light outlet 1132 is used for the focused light beam to pass through; the upper surface 113 is also provided with a spectroscope groove 1133 for fixing the spectroscope 2, the central perpendicular line of the support base 11 is overlapped with the optical axis of the spectroscope 2, and each fixing groove 1131 is uniformly arranged around the upper surface of the support base 11 relative to the spectroscope groove 1133.

Referring to fig. 6, the nozzle 12 includes a powder chamber 121 and a powder conveying pipe 122, a powder separating sieve 123 is disposed at a connection position of the powder chamber 121 and the powder conveying pipe 122, the powder separating sieve 123 is in a thin plate shape, and a plurality of powder separating holes 1231 are disposed thereon; the powder conveying pipe 122 is externally sleeved with a gas conveying pipe 124, the inner diameter of the gas conveying pipe 124 is slightly larger than the outer diameter of the powder conveying pipe 122, and a collimation protective gas conveying inlet 1241 is arranged on the gas conveying pipe 124; the powder outlet 125 is arranged at the tail end of the powder conveying pipe 122, a plurality of powder outlet holes 1251 for powder to flow out are arranged on the powder outlet 125, the powder outlet holes 1251 are tapered holes with large upper parts and small lower parts, a powder feeding inlet communicated with the powder chamber is arranged on the supporting seat 11, the powder feeding inlet 125 arranged on the supporting seat is arranged at the upper end of the nozzle 12, powder passes through the powder conveying pipe 122 and passes through the powder feeding ports 125 on the supporting seat 11 and the supporting seat cover 112, the powder is fed to the powder chamber 121 from multiple directions under the action of compressed air, the powder moves downwards under the action of a small-sized blower, and uniform powder flow is formed under the action of the powder separating sieve 123.

Referring to fig. 1, the laser cladding apparatus for feeding powder in light further includes a laser head mounting plate 5 connected to the laser head assembly 1 and a carrier 6 connected to the laser head mounting plate 5. The carrier 6 comprises a moving trolley 61 and a manipulator 62 connected to the moving trolley 61, the manipulator 62 is further connected to the laser head mounting plate 5, wherein the moving trolley 61 comprises a trolley body 611 and a driving wheel 612 connected to the trolley body 611, a guide rail (not shown) for guiding the driving wheel 612 is arranged below the driving wheel 612, the laser head mounting plate 5 is provided with a mounting side plate 51, a mounting hole is formed in the mounting side plate 51, and the mounting side plate 51 is fixed on the manipulator 62 through a bolt penetrating through the mounting hole. The robot 62 also has a robot base 621 fixed to the moving cart 61, and the robot 62 is fixed to the moving cart 61 by the robot base 621.

Referring to fig. 2, the first cooling system 7 of the present invention includes a pipe 71 connecting two reflection focusing mirrors 3 and a cooling passage (not shown) formed in each reflection focusing mirror 3, and each pipe 71 is butted against the cooling passage. A water pipe male joint 711 is arranged at the two ends of each pipeline 71; both sides of each cooling channel are provided with channel openings 72, and each channel opening 72 is provided with a water pipe female connector 721 butted with the water pipe male connector 711. In the present embodiment, one ends of the two pipes 71 are respectively defined as a first water inlet 712 and a first water outlet 713, and the first water inlet 712 and the first water outlet 713 are disposed on the holder cover 112. The first cooling system 7 can realize the cooling effect on the reflecting focusing mirror 3, reduce the thermal deformation of the reflecting focusing mirror 3 and prolong the service life of the reflecting focusing mirror; meanwhile, the first water inlet 712 and the first water outlet 713 are disposed on the stand cover 112, which facilitates direct connection with an external water supply system, prevents the precision of the device from being affected by repeated disassembly, and improves the working efficiency.

Referring to fig. 3, the second cooling system 8 of the present invention includes a water inlet channel 81, a water outlet channel 82, and a spectroscope cavity 83 formed in the spectroscope 2, and the water inlet channel 81 and the water outlet channel 82 are in butt joint with the spectroscope cavity 83. The water inlet channel 81 and the water outlet channel 82 are opened in the support base 11, the support base 11 has a support base side wall 1122, and the water inlet channel 81 has a second water inlet 811 formed on the support base side wall 1122; the outlet passage 82 has a second outlet 821 formed on a side wall of the support base. The second cooling system 8 can cool the spectroscope 2, reduce the thermal deformation of the spectroscope 2 and prolong the service life of the spectroscope; meanwhile, the second water inlet 811 and the second water outlet 821 are arranged on the side wall of the supporting seat 11, so that the direct connection with an external water supply system is facilitated, the influence on the precision of the device due to repeated disassembly is avoided, and the working efficiency is improved.

In this embodiment, the spectroscope 2 includes two spectroscope surfaces corresponding to the number of the reflective focusing mirrors 3, and each spectroscope surface is a plane; indeed, in other embodiments, the beam splitting mirror may also be an arc-shaped surface. Each of the reflecting focusing mirrors 3 has a reflecting focusing mirror surface facing the beam splitting mirror surface; the reflective focusing mirror is an arc mirror, and indeed, in other embodiments, the reflective focusing mirror may be formed by connecting a plurality of segments of arc mirrors.

To sum up, the utility model relates to a send whitewashed laser cladding device in light receives the reflected light beam respectively and turns into the different focus light beam of twice focus with the reflected light beam through the reflection focusing mirror, simultaneously through micromatic setting 4 on the reflection focusing mirror 3, at 6 back-and-forth movements of carrier, when switching restoration position, can carry out electrodeless regulation to the focusing mirror inclination, the facula after will focusing fixes a position the assigned position fast, it is poor to compensate manual regulation precision, inefficiency, frequent location shortcoming such as intensity of labour is big, conveniently carry out surface treatment and laser cladding to the base member, reduce the location demand, improve the restoration quality, machining efficiency, and the operation cost is reduced. In addition, the arrangement of the powder conveying pipe 122 and the gas conveying pipe 124 in the nozzle 12 enables the powder conveying to be more uniform, and a circle of collimated shielding gas is formed around the powder and the molten pool, so that the cladding quality is further improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An optical internal powder feeding laser cladding device for receiving an incident beam and converting the incident beam into a focused beam to form a focus on a substrate, characterized in that: the device for laser cladding of powder feeding in the light comprises a laser head component, wherein the laser head component comprises a supporting seat and a nozzle positioned below the supporting seat, a spectroscope and two reflection focusing mirrors are arranged on the supporting seat and used for fixing and adjusting each fine adjustment device at the position of the reflection focusing mirror, the spectroscope receives incident light beams and reflects the incident light beams to form reflected light beams, the reflection focusing mirrors receive the reflected light beams respectively and convert the reflected light beams into focused light beams with different focuses, the reflection focusing mirrors comprise focusing surfaces for converting the reflected light beams into the focused light beams and left side surfaces and right side surfaces respectively connected with the focusing surfaces, the nozzle comprises a powder chamber, a powder feeding inlet communicated with the powder chamber is arranged on the supporting seat, and the device for laser cladding of powder feeding in the light further comprises a laser head mounting plate connected to the laser head component and a carrier connected to the laser head mounting plate, the fine adjustment device comprises a frame body and a first rotating shaft arranged on the frame body, the first rotating shaft is connected with the left side surface and the frame body and the right side surface and the frame body, the reflecting focusing mirror rotates relative to the frame body by taking the first rotating shaft as an axis, the fine adjustment device also comprises a first adjustment structure for pushing the reflecting focusing mirror to rotate, the first adjusting structure comprises a connecting rod for pushing the reflecting focusing mirror to rotate, one end of the connecting rod is hinged on the reflecting focusing mirror, the other end of the connecting rod is hinged with a sliding block in the fine adjusting device, the slide block is connected with a driving motor which is fastened on a motor mounting seat by a clamping sleeve, the motor mounting seat is connected on the frame body, the frame body is connected with a compression spring, one end of the compression spring is connected to the reflection focusing mirror, and the other end of the compression spring is connected to the frame body below the motor mounting seat.

2. The optical internal powder feeding laser cladding device according to claim 1, characterized in that: the sliding rail structure is used for reducing friction resistance between the sliding block and the motor mounting seat, a ball is preset in the sliding block, a lead screw is connected in the sliding block in a penetrating mode, the ball and the lead screw form rolling friction, the lead screw is connected to a main shaft of the driving motor, a vertical plate is upwards formed at one end, far away from the driving motor, of the motor mounting seat, a bearing hole for containing the lead screw is formed in the vertical plate, and a bearing matched with the lead screw is arranged in the bearing hole.

3. The optical internal powder feeding laser cladding device according to claim 1, characterized in that: the fine-tuning device further comprises a second adjusting structure, the second adjusting structure comprises a second rotating shaft arranged on the lower portion of the support body, a shaft hole matched with the second rotating shaft is formed in the supporting seat, and the support body is opposite to the second rotating shaft serving as the shaft center through the supporting seat in a rotating mode, so that the reflection focusing mirror can rotate around the second rotating shaft in a left-right mode.

4. The optical internal powder feeding laser cladding device according to claim 3, characterized in that: the second adjusting structure further comprises a threaded hole formed in the lower portion of the support body, an arc-shaped groove is formed in the supporting seat, and a nut is adopted to penetrate through the arc-shaped groove opening and fixedly connected with the shell of the reflection focusing mirror.

5. The optical internal powder feeding laser cladding device according to claim 1, characterized in that: the nozzle comprises a powder chamber and a powder conveying pipe, a powder separating sieve is arranged at the joint of the powder chamber and the powder conveying pipe, the powder separating sieve is in a thin plate shape, and a plurality of powder separating holes are formed in the powder separating sieve; the powder conveying pipe is sleeved with a gas conveying pipe, the inner diameter of the gas conveying pipe is slightly larger than the outer diameter of the powder conveying pipe, and a collimation protective gas conveying inlet is arranged on the gas conveying pipe; the end of the powder conveying pipe is provided with a powder outlet nozzle, a plurality of powder outlet holes for powder to flow out are formed in the powder outlet nozzle, each powder outlet hole is a conical hole with the upper part large and the lower part small, a powder feeding inlet communicated with the powder chamber is formed in the supporting seat, the upper end of the nozzle is provided with a powder feeding inlet formed in the supporting seat, the supporting seat is further provided with a supporting seat cover, the supporting seat and the supporting seat cover are surrounded to form a containing space for containing the spectroscope and the reflection focusing mirror, and the top of the supporting seat cover is provided with an opening for communicating the containing space with the outside and supplying the incident light beams to pass through.

6. The optical inner powder feeding laser cladding device according to claim 5, characterized in that: the support cover is provided with a support cover side wall, the support cover side wall is provided with a flashboard and a gate, and the flashboard is sealed at the gate.

7. The optical internal powder feeding laser cladding device according to claim 1, characterized in that: the supporting seat is a cylinder, the supporting seat is provided with an upper surface, a fixing groove for fixing each fine adjustment device and a light outlet penetrating through the supporting seat are formed in the upper surface in a concave mode, and the light outlet is used for the focused light beams to penetrate through.

8. The optical internal powder feeding laser cladding device according to claim 7, characterized in that: the upper surface is also inwards concave to form a spectroscope groove for fixing the spectroscope, the central perpendicular line of the supporting seat is overlapped with the optical axis of the spectroscope, and each fixing groove is uniformly arranged around the upper surface of the supporting seat relative to the spectroscope groove.

9. The optical internal powder feeding laser cladding device according to claim 8, characterized in that: the device for laser cladding of powder feeding in the light also comprises a first cooling system, wherein the first cooling system comprises pipelines for connecting two reflection focusing mirrors and cooling channels formed in each reflection focusing mirror, each pipeline is in butt joint with the cooling channels, two ends of each pipeline are provided with a water pipe male joint, two sides of each cooling channel are provided with channel ports, and each channel port is provided with a water pipe female joint in butt joint with the water pipe male joint.

10. The optical internal powder feeding laser cladding device according to claim 8, characterized in that: the device for laser cladding of powder feeding in light further comprises a second cooling system, wherein the second cooling system comprises a water inlet channel, a water outlet channel and a spectroscope inner cavity formed in a spectroscope, the water inlet channel and the water outlet channel are respectively in butt joint with the spectroscope inner cavity, the water inlet channel and the water outlet channel are arranged in the supporting seat, the water inlet channel is provided with a second water inlet formed in the side wall of the supporting seat, and the water outlet channel is provided with a second water outlet formed in the side wall of the supporting seat.