Double-hopper laser surfacing device for ceramic reinforced Inconel 718

Abstract

The invention discloses a ceramic reinforced Inconel 718 double-hopper laser surfacing welding device, and relates to the technical field of metal material machining, and the ceramic reinforced Inconel 718 double-hopper laser surfacing welding device comprises a mounting box, two independent storage boxes, a proportion adjusting mechanism, an extrusion feeding mechanism and an online mixing mechanism. The opening number of the feeding holes is accurately controlled according to the particle sizes of the ceramic particles and the Inconel 718 powder, and high-precision adjustment of the feeding proportion of the two materials is achieved; a stepping motor is arranged to drive a cam to intermittently extrude powder, so that the problem of unsmooth feeding caused by poor flowability of ceramic and metal powder is effectively solved; meanwhile, the stirring plates are synchronously driven by the transmission part, the materials are uniformly mixed before entering a surfacing area, and the problems of ceramic phase thermal decomposition, low interface bonding strength, non-uniform structure and the like caused by misalignment of matching, unstable feeding and non-uniform mixing in the laser surfacing process are solved through the synergistic effect of the structures.

Description

Technical Field

[0001] This invention relates to the field of metal material processing technology, specifically to a dual-hopper laser overlay welding device for ceramic-reinforced Inconel 718. Background Technology

[0002] Ceramic-reinforced Inconel 718 is a metal-matrix composite material formed by introducing high-hardness, high-melting-point ceramic particles as reinforcing phases into the nickel-based superalloy Inconel 718 as the metal matrix. Inconel 718 itself has excellent high-temperature strength, oxidation resistance, creep resistance, and good weldability, and is widely used in extreme service environments such as aero-engines, gas turbines, and nuclear reactors. In the field of laser additive manufacturing, especially when using Inconel 718 high-temperature alloy and ceramic reinforcing particles for composite welding, it is often necessary to achieve metallurgical bonding of heterogeneous materials under non-equilibrium solidification conditions with high temperature and high cooling rate. Such processes place extremely high demands on the accuracy of raw material proportioning, the continuity of feeding, and the uniformity of mixing. However, due to the differences in physical properties between ceramic particles and metal powders, the former has high hardness, poor fluidity, and is prone to agglomeration, while the latter, although it has a certain fluidity, is still affected by particle size distribution and surface oxidation. Traditional gravity feeding or simple mechanical feeding methods are difficult to achieve stable and controllable composite feeding, which can easily lead to fluctuations in the composition of the weld overlay, uneven distribution of ceramic phase, or even local agglomeration, thereby inducing defects such as cracks, pores, or interface debonding. Existing technologies have attempted to use a dual-bin independent control feeding scheme. For example, in a comparative example, two screw feeders were used to transport metal powder and ceramic particles respectively, and the flow rate of each was controlled by adjusting the screw speed. However, this method does not consider the impact of the difference in powder flowability on the actual output, and it also lacks a real-time feedback and dynamic compensation mechanism. During long-term operation, the proportion is prone to inaccurate due to powder bridging, compaction or wear. At the same time, the two materials are not fully mixed before entering the molten pool, and homogenization is achieved only by convection in the molten pool. This is difficult to meet the microscopic uniformity requirements of high ceramic content composite materials, and ultimately leads to insufficient interfacial bonding strength and aggravated thermal decomposition of the ceramic phase. Summary of the Invention

[0003] To address the problems mentioned in the background art, the present invention aims to provide a dual-hopper laser cladding device for ceramic-reinforced Inconel 718, which has the advantages of precise proportioning and uniform mixing, and solves the problems of ceramic decomposition and weak interfacial bonding.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a dual-hopper laser cladding device for ceramic-reinforced Inconel 718, wherein the powder supply mechanism includes a control panel, a mounting box, and a connecting pipe, wherein the surface of the control panel is fixedly connected to the surface of the mounting box, and the bottom of the mounting box is fixedly connected to the upper end of the connecting pipe; The installation box is equipped with a feeding mechanism, a pressing mechanism is provided on one side of the connecting pipe, and a mixing mechanism is provided on one side of the pressing mechanism. The feeding mechanism is used to control the ratio of two different materials, the pressing mechanism is used to assist the material feeding process, and the mixing mechanism is used to mix the two materials.

[0005] In a preferred embodiment of the present invention, the feeding mechanism includes a fixed box, a storage box, a feeding plate, a baffle, a transmission block, and an adjusting screw. The inner wall of the fixed box is fixedly connected to the lower end of the storage box, the bottom of the storage box is fixedly connected to the surface of the feeding plate, the lower surface of the feeding plate is slidably connected to the upper surface of the baffle, both ends of the baffle are fixedly connected to the surface of the transmission block, and the surface of the transmission block is threadedly connected to the surface of the adjusting screw.

[0006] As a preferred embodiment of the present invention, the feeding mechanism is provided with a mating mechanism, which includes a driving bevel gear, a driven bevel gear, a dustproof box, a support rod, and a servo motor. The tooth surface of the driving bevel gear meshes with the tooth surface of the driven bevel gear, the surface of the driven bevel gear is rotatably connected to the inner wall of the dustproof box, the inner wall of the dustproof box is rotatably connected to the surface of the support rod, and the rear end of the support rod is fixedly connected to the output end of the servo motor.

[0007] In a preferred embodiment of the present invention, the inner wall of the mounting box is fixedly connected to the surface of the storage box, the surface of the baffle is slidably connected to the inner wall of the fixed box via a sliding groove, the surface of the fixed box is fixedly connected to the lower inner wall of the mounting box, the surface of the transmission block is slidably connected to the inner wall of the fixed box via a sliding groove, both ends of the two adjusting screws are rotatably connected to the inner walls on both sides of the fixed box, and the holes opened on the surface of the feed plate can be adjusted according to the particle size of the material.

[0008] In a preferred embodiment of the present invention, the inner surface of the adjusting screw is fixedly connected to the surface of the driving bevel gear, the surface of the dustproof box is fixedly connected to the inner surface of the fixed box, the surface of the support rod is fixedly connected to the inner walls of the two driven bevel gears respectively, the driving bevel gear and the driven bevel gear are both disposed inside the dustproof box, the output end of the servo motor is fixedly connected to the inner wall of the rear end of the support rod, and the lower end of the servo motor is fixedly connected to the surface of the connecting pipe.

[0009] In a preferred embodiment of the present invention, the extrusion mechanism includes a cam, a fixed rod, and a stepper motor. The inner walls of the two cams are respectively fixedly connected to the two end surfaces of the fixed rod, and the inner wall of the fixed rod is fixedly connected to the output end of the stepper motor.

[0010] In a preferred embodiment of the present invention, the mixing mechanism includes a protective box, a transmission component, a tensioning wheel, a bearing rod, and a stirring plate. The inner wall of the protective box is rotatably connected to the surface of the transmission component, the surface of the transmission component is slidably connected to the surface of the tensioning wheel, the lower tooth surface of the transmission component is meshed with the surface of the bearing rod via a pulley, and the surface of the bearing rod is fixedly connected to the inner wall of the stirring plate.

[0011] In a preferred embodiment of the present invention, the surface of the fixing rod is rotatably connected to the inner wall of the mounting box and the storage box, the surface of the stepper motor is fixedly connected to the surface of the protective box, the output end of the stepper motor is meshed with the upper end of the transmission component through a pulley, the surface of the bearing rod is rotatably connected to the inner wall of the connecting pipe, the transmission component and the tensioning wheel are both disposed inside the protective box, and the surface of the protective box is fixedly connected to the outer surface of the connecting pipe.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. This invention solves the problems of easy decomposition of ceramic phase, weak interfacial bonding and uneven material supply during the ceramic-reinforced Inconel 718 overlay process by setting up the structure, and achieves the effect of precise and controllable composition, uniform mixing and high interfacial bonding strength.

[0013] 2. This invention uses a servo motor to adjust the screw and baffle mechanism to precisely control the number of feed holes according to the particle size, thereby achieving precise adjustment of the ratio of ceramic to metal powder and effectively avoiding interface defects caused by ratio deviation.

[0014] 3. This invention, by setting a stepper motor-driven cam extrusion and stirring linkage mechanism, overcomes the poor flowability of powder while achieving uniform mixing of two materials, ensuring continuous material supply and consistent weld overlay structure. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main three-dimensional structure provided in an embodiment of the present invention; Figure 2 This is a three-dimensional structural diagram of the feeding mechanism provided in an embodiment of the present invention; Figure 3 This is a three-dimensional structural diagram of the mating mechanism provided in an embodiment of the present invention; Figure 4 This is a three-dimensional structural diagram of the extrusion mechanism provided in an embodiment of the present invention.

[0016] Figure 5This is a schematic diagram of the three-dimensional structure of the hybrid mechanism provided in an embodiment of the present invention.

[0017] Figure 6 This is a schematic diagram of the three-dimensional structure of the main body in vertical cross-section provided in an embodiment of the present invention.

[0018] In the diagram: 1. Powder feeding mechanism; 101. Control panel; 102. Mounting box; 103. Connecting pipe; 2. Feeding mechanism; 201. Fixing box; 202. Storage box; 203. Feeding plate; 204. Baffle; 205. Transmission block; 206. Adjusting screw; 3. Coordination mechanism; 301. Driving bevel gear; 302. Driven bevel gear; 303. Dustproof box; 304. Support rod; 305. Servo motor; 4. Extrusion mechanism; 401. Cam; 402. Fixing rod; 403. Stepper motor; 5. Mixing mechanism; 501. Protection box; 502. Transmission component; 503. Tensioning wheel; 504. Bearing rod; 505. Mixing plate. Detailed Implementation

[0019] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0021] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0022] Secondly, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0023] Example 1 Reference Figure 1-6In the first embodiment of the present invention, a powder supply mechanism 1 is provided, including a control panel 101, a mounting box 102, and a connecting pipe 103. The surface of the control panel 101 is fixedly connected to the surface of the mounting box 102, and the bottom of the mounting box 102 is fixedly connected to the upper end of the connecting pipe 103. A feeding mechanism 2 is provided inside the mounting box 102, and an extrusion mechanism 4 is provided on one side of the connecting pipe 103. A mixing mechanism 5 is provided on one side of the extrusion mechanism 4. The feeding mechanism 2 is used to control the ratio of two different materials, the extrusion mechanism 4 is used to assist the material feeding process, and the mixing mechanism 5 is used to mix the two materials.

[0024] Specifically, this invention integrates a feeding mechanism 2, an extrusion mechanism 4, and a mixing mechanism 5 to achieve precise proportioning, stable feeding, and uniform mixing of ceramic particles and Inconel 718 powder. The feeding mechanism 2 uses a servo motor 305 to drive a baffle 204 to adjust the number of feeding holes, ensuring a controllable ratio. The extrusion mechanism 4 uses a cam 401 to intermittently extrude the powder, overcoming the problem of poor powder flowability and ensuring continuous feeding. The mixing mechanism 5 completes thorough stirring before the material enters the molten pool, avoiding component segregation. This structure effectively solves the problems of ceramic phase decomposition, weak interface bonding, and structural defects caused by inaccurate proportioning, unstable feeding, and uneven mixing in traditional surfacing, improving the density, uniformity, and mechanical properties of the composite surfacing layer.

[0025] Furthermore, in the process of laser cladding Inconel 718 alloy and ceramic reinforcing particles into composite materials, precise control of the feed ratio of the two materials is crucial. This ratio not only affects the thermal stability of the ceramic phase in the molten pool and helps to suppress its decomposition during the rapid laser melting process, but also enhances the interfacial bonding strength between the metal matrix and the ceramic particles.

[0026] Example 2 In a second embodiment of the present invention, a feeding mechanism 2 is provided, comprising a fixed box 201, a storage box 202, a feeding plate 203, a baffle 204, a transmission block 205, and an adjusting screw 206. The inner wall of the fixed box 201 is fixedly connected to the lower end of the storage box 202. The bottom of the storage box 202 is fixedly connected to the surface of the feeding plate 203. The lower surface of the feeding plate 203 is slidably connected to the upper surface of the baffle 204. Both ends of the baffle 204 are fixedly connected to the surface of the transmission block 205. The surface of the transmission block 205 is slidably connected to the upper surface of the baffle 204. The adjusting screw 206 is threadedly connected to the surface. The feeding mechanism 2 is equipped with a mating mechanism 3, which includes a driving bevel gear 301, a driven bevel gear 302, a dustproof box 303, a support rod 304, and a servo motor 305. The tooth surfaces of the driving bevel gear 301 and the driven bevel gear 302 mesh with each other. The surface of the driven bevel gear 302 is rotatably connected to the inner wall of the dustproof box 303. The inner wall of the dustproof box 303 is rotatably connected to the surface of the support rod 304. The rear end of the support rod 304 is connected to the servo motor 305. The output end of motor 305 is fixedly connected. The inner wall of mounting box 102 is fixedly connected to the surface of storage box 202. The surface of baffle 204 is slidably connected to the inner wall of fixed box 201 via a sliding groove. The surface of fixed box 201 is fixedly connected to the lower inner wall of mounting box 102. The surface of transmission block 205 is slidably connected to the inner wall of fixed box 201 via a sliding groove. Both ends of two adjusting screws 206 are rotatably connected to the inner walls on both sides of fixed box 201. The holes on the surface of feed plate 203 can be adjusted according to the particle size of the material. The inner surface of the adjusting screw 206 is fixedly connected to the surface of the driving bevel gear 301, the surface of the dustproof box 303 is fixedly connected to the inner surface of the fixed box 201, the surface of the support rod 304 is fixedly connected to the inner walls of the two driven bevel gears 302 respectively, the driving bevel gear 301 and the driven bevel gear 302 are both set inside the dustproof box 303, the output end of the servo motor 305 is fixedly connected to the inner wall of the rear end of the support rod 304, and the lower end of the servo motor 305 is fixedly connected to the surface of the connecting pipe 103.

[0027] Specifically, the feeding mechanism 2 of this invention achieves precise control of the feeding ratio of two different materials by driving the active bevel gear 301 and the driven bevel gear 302 with the servo motor 305. This design solves the problem of inaccurate ratio caused by material particle size differences in traditional feeding methods. The rotation of the adjusting screw 206 drives the transmission block 205 and the baffle 204 to move precisely, thereby gradually exposing the holes on the feeding plate 203 as needed, ensuring that materials of different particle sizes can be stably supplied according to the preset ratio. The dustproof box 303 effectively prevents external dust from contaminating the materials and ensures the purity of the feeding process. This structure not only improves the accuracy of material ratio but also enhances the adaptability and stability of the system.

[0028] Furthermore, to achieve this goal, two independent feeding mechanisms 2 are first activated via the control panel 101 of the mounting box 102. Each feeding mechanism 2 has a servo motor 305, the output of which is connected to a support rod 304. The rod has two driven bevel gears 302, which mesh with the driving bevel gear 301 inside the adjusting screw 206. The servo motor 305 drives the driven bevel gears 302 to rotate, which in turn drives the adjusting screw 206 to rotate synchronously, causing the transmission block 205 to move. This moves the baffle 204 outward along the inner wall of the fixed box 201. The baffle 204 initially covers the holes in the feeding plate 203. The size of the holes is designed according to the particle size of the material. The displacement of the baffle 204 is precisely controlled, gradually exposing different numbers of holes, thereby achieving precise adjustment of the feeding throughput.

[0029] Example 3 In a third embodiment of the present invention, an extrusion mechanism 4 is provided, comprising a cam 401, a fixed rod 402, and a stepper motor 403. The inner walls of the two cams 401 are respectively fixedly connected to the two end surfaces of the fixed rod 402, and the inner wall of the fixed rod 402 is fixedly connected to the output end of the stepper motor 403. A mixing mechanism 5 includes a protective box 501, a transmission component 502, a tensioning wheel 503, a bearing rod 504, and a stirring plate 505. The inner wall of the protective box 501 is rotatably connected to the surface of the transmission component 502, the surface of the transmission component 502 is slidably connected to the surface of the tensioning wheel 503, and the lower tooth surface of the transmission component 502 is connected to the bearing rod 505. The surface of rod 504 is driven by a belt pulley. The surface of the bearing rod 504 is fixedly connected to the inner wall of the stirring plate 505. The surface of the fixing rod 402 is rotatably connected to the inner wall of the mounting box 102 and the storage box 202. The surface of the stepper motor 403 is fixedly connected to the surface of the protective box 501. The output end of the stepper motor 403 is driven by a belt pulley to the upper end of the transmission component 502. The surface of the bearing rod 504 is rotatably connected to the inner wall of the connecting pipe 103. The transmission component 502 and the tensioning wheel 503 are both located inside the protective box 501. The surface of the protective box 501 is fixedly connected to the outer surface of the connecting pipe 103.

[0030] Specifically, the extrusion mechanism 4 and the mixing mechanism 5 of the present invention work together to effectively solve the problems of discontinuous feeding, easy clogging and uneven mixing caused by poor flowability of ceramic particles and Inconel 718 powder. The extrusion mechanism 4 uses a stepper motor 403 to drive the cam 401 to intermittently extrude the powder, forcing the material to enter the connecting pipe 103 through the feed hole to ensure stable feeding. The mixing mechanism 5 uses the same motor to synchronously drive the stirring plate 505 through the transmission component 502 to achieve uniform mixing during the material conveying process. The setting of the tension wheel 503 ensures the transmission stability and avoids the mixing effect due to slippage. This structure not only prevents the interruption of feeding caused by particle bridging or compaction, but also avoids particle breakage caused by excessive extrusion, thereby providing a composite powder flow with uniform composition and improved flowability for laser cladding, improving the uniformity of ceramic phase distribution in the cladding layer and the bonding quality of the metal-ceramic interface.

[0031] Furthermore, due to the poor flowability of ceramic particles and Inconel 718 powder, it is difficult to stabilize and continuously feed them using gravity alone. Therefore, an extrusion-assisted feeding mechanism 2 is introduced. During operation, the two materials are first loaded into the storage tank 202 inside the mounting box 102. When feeding, the stepper motor 403 on one side of the mounting box 102 is started. Its output end drives the cam 401 inside the storage tank 202 to rotate through the fixed rod 402. When the non-circular contour of the cam 401 rotates, it periodically applies pressure to the powder, causing the material to enter the connecting pipe 103 through the holes of the feed plate 203. This extrusion action is performed intermittently, which can overcome the problem of poor powder flowability and avoid particle breakage or blockage. When the two materials are conveyed through the connecting pipe 103, the mixing mechanism 5 is started synchronously to ensure uniform compounding. When the stepper motor 403 drives the cam 401, its output shaft pulley drives the stirring assembly through the transmission component 502. The transmission component 502 is equipped with a tension wheel 503 to maintain tension and ensure stability. The end is connected to the stirring plate 505 through the bearing rod 504. When the ceramic particles and Inconel 718 powder flow into the stirring area, the stirring plate 505 fully mixes to form a composite powder flow, providing a stable raw material input for laser cladding. The entire feeding, extrusion and mixing process is closely connected to ensure the uniformity of the ceramic phase distribution and the quality of the interface bonding of the cladding layer.

[0032] Working principle: In the laser cladding process of Inconel 718 alloy and ceramic reinforcing particles composite materials, precise control of the feeding ratio of the two materials is crucial. This ratio not only affects the thermal stability of the ceramic phase in the molten pool, helping to suppress its decomposition during the rapid laser melting and solidification process, but also improves the interfacial bonding strength between the metal matrix and the ceramic particles. To achieve this goal, two independent feeding mechanisms 2 are first activated via the control panel 101 on the surface of the mounting box 102. Each feeding mechanism 2 is equipped with a servo motor 305, the output of which is connected to a support rod 304. Two driven bevel gears 302 are fixed on the support rod 304, respectively meshing with the driving bevel gear 301 on the inner side of the corresponding adjusting screw 206. When the servo motor... When 305 is in operation, it drives the driven bevel gear 302 to rotate, which in turn drives the adjusting screws 206 on both sides to rotate synchronously. The transmission block 205 on the adjusting screw 206 moves accordingly, and drives the baffle 204 fixed to it to move outward along the inner wall of the fixed box 201. In the initial state, the baffle 204 covers multiple holes on the feed plate 203. The size of these holes is specially designed according to the particle size of the ceramic particles and Inconel 718 powder used. By precisely controlling the displacement of the baffle 204, different numbers of holes can be gradually exposed, thereby achieving precise adjustment of the feed throughput of the two materials. Since both ceramic particles and Inconel 718 powder have poor flowability, it is difficult to achieve stable and continuous flow by gravity alone. For material feeding, the system incorporates an extrusion-assisted feeding mechanism 2. During operation, the two materials are first loaded into their corresponding storage boxes 202 within the mounting box 102. When feeding is required, a stepper motor 403 on one side of the mounting box 102 is activated. Its output end drives a cam 401 to rotate via a fixed rod 402. The cam 401, located inside the storage box 202, periodically applies pressure to the powder during rotation due to its non-circular profile, forcing the material through the open holes on the feed plate 203 into the connecting pipe 103 below. This extrusion action is intermittent, effectively overcoming the problem of poor powder flowability and preventing particle breakage or blockage caused by continuous high pressure. During the downward conveying of the two materials through the connecting pipe 103, the system... The mixing mechanism 5 is started synchronously to ensure uniform compounding. While the stepper motor 403 drives the cam 401, the pulley on its output shaft drives the lower stirring assembly through the transmission component 502. The transmission component 502 is equipped with a tension wheel 503 to maintain transmission tension and ensure smooth operation. The end of the transmission component 502 is connected to the stirring plate 505 through the bearing rod 504. When the ceramic particles and Inconel 718 powder enter the stirring area, the stirring plate 505 mixes them thoroughly to form a uniform composite powder flow, providing a stable and controllable raw material input for subsequent laser cladding. The entire feeding-extrusion-mixing process is closely linked, jointly ensuring the uniformity of ceramic phase distribution and interface bonding quality in the cladding layer.

[0033] In summary, by employing a servo motor-driven linkage mechanism between the adjusting screw and the baffle, a stepper motor-driven cam for intermittent extrusion feeding, and a transmission component that synchronously drives the mixing plate for mixing, the system achieves precise control of the feeding ratio of ceramic particles and Inconel 718 powder, stable feeding under conditions of insufficient fluidity, and uniform mixing of the two materials before they enter the welding zone. This effectively suppresses the decomposition of the ceramic phase during rapid laser melting and enhances the interfacial bonding strength between the metal matrix and the ceramic reinforcing phase.

[0034] The control panel and motor used in this application can be additionally equipped with protective measures that are common knowledge in the art under different usage environments, including but not limited to the following methods, such as protective covers for equipment protection, dustproof nets for equipment dust prevention, and sealing components or waterproof coatings for equipment waterproofing, which are commonly used by those skilled in the art.

[0035] It should be noted that (control panel, screw, bevel gear, motor and transmission components) are existing devices or equipment, or devices or equipment that can be implemented by existing technology. The power supply, connection method, usage method, power source, fixing method, installation method, control method, etc. of the device, as well as the materials of each accessory and the selection of various parameters are common knowledge to those skilled in the art, and therefore will not be described in detail in this application document.

[0036] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of the invention. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structurally equivalent but also equivalent in structure. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0037] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the invention as currently considered, or those features that are not relevant to implementing the invention) may be omitted.

[0038] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A dual-hopper laser overlay welding device for ceramic-reinforced Inconel 718, characterized in that: The invention includes a powder supply mechanism (1) for laser overlay welding of ceramic-reinforced Inconel 718 using a dual hopper. The powder supply mechanism (1) includes a control panel (101), a mounting box (102), and a connecting pipe (103). The surface of the control panel (101) is fixedly connected to the surface of the mounting box (102), and the bottom of the mounting box (102) is fixedly connected to the upper end of the connecting pipe (103). The installation box (102) is provided with a feeding mechanism (2), the connecting pipe (103) is provided with an extrusion mechanism (4) on one side, and the extrusion mechanism (4) is provided with a mixing mechanism (5) on one side. The feeding mechanism (2) is used to control the ratio of two different materials, the extrusion mechanism (4) is used to assist the material feeding process, and the mixing mechanism (5) is used to mix the two materials.

2. The dual-hopper laser cladding device for ceramic-reinforced Inconel 718 according to claim 1, characterized in that: The feeding mechanism (2) includes a fixed box (201), a storage box (202), a feeding plate (203), a baffle (204), a transmission block (205), and an adjusting screw (206). The inner wall of the fixed box (201) is fixedly connected to the lower end of the storage box (202). The bottom of the storage box (202) is fixedly connected to the surface of the feeding plate (203). The lower surface of the feeding plate (203) is slidably connected to the upper surface of the baffle (204). The two ends of the baffle (204) are fixedly connected to the surface of the transmission block (205). The surface of the transmission block (205) is threadedly connected to the surface of the adjusting screw (206).

3. The dual-hopper laser cladding device for ceramic-reinforced Inconel 718 according to claim 2, characterized in that: The feeding mechanism (2) is provided with a cooperating mechanism (3), which includes a driving bevel gear (301), a driven bevel gear (302), a dustproof box (303), a support rod (304), and a servo motor (305). The tooth surface of the driving bevel gear (301) meshes with the tooth surface of the driven bevel gear (302). The surface of the driven bevel gear (302) is rotatably connected to the inner wall of the dustproof box (303). The inner wall of the dustproof box (303) is rotatably connected to the surface of the support rod (304). The rear end of the support rod (304) is fixedly connected to the output end of the servo motor (305).

4. The dual-hopper laser cladding device for ceramic-reinforced Inconel 718 according to claim 3, characterized in that: The inner wall of the mounting box (102) is fixedly connected to the surface of the storage box (202), the surface of the baffle (204) is slidably connected to the inner wall of the fixed box (201) through a sliding groove, the surface of the fixed box (201) is fixedly connected to the lower inner wall of the mounting box (102), the surface of the transmission block (205) is slidably connected to the inner wall of the fixed box (201) through a sliding groove, both ends of the two adjusting screws (206) are rotatably connected to the inner walls on both sides of the fixed box (201), and the holes opened on the surface of the feed plate (203) can be adjusted according to the particle size of the material.

5. The dual-hopper laser cladding device for ceramic-reinforced Inconel 718 according to claim 3, characterized in that: The inner surface of the adjusting screw (206) is fixedly connected to the surface of the driving bevel gear (301), the surface of the dustproof box (303) is fixedly connected to the inner surface of the fixed box (201), the surface of the support rod (304) is fixedly connected to the inner walls of the two driven bevel gears (302) respectively, the driving bevel gear (301) and the driven bevel gear (302) are both located inside the dustproof box (303), the output end of the servo motor (305) is fixedly connected to the inner wall of the rear end of the support rod (304), and the lower end of the servo motor (305) is fixedly connected to the surface of the connecting pipe (103).

6. The dual-hopper laser cladding device for ceramic-reinforced Inconel 718 according to claim 2, characterized in that: The extrusion mechanism (4) includes a cam (401), a fixed rod (402) and a stepper motor (403). The inner walls of the two cams (401) are fixedly connected to the two end surfaces of the fixed rod (402), and the inner wall of the fixed rod (402) is fixedly connected to the output end of the stepper motor (403).

7. The dual-hopper laser cladding device for ceramic-reinforced Inconel 718 according to claim 6, characterized in that: The mixing mechanism (5) includes a protective box (501), a transmission component (502), a tensioning wheel (503), a support rod (504), and a stirring plate (505). The inner wall of the protective box (501) is rotatably connected to the surface of the transmission component (502), the surface of the transmission component (502) is slidably connected to the surface of the tensioning wheel (503), the lower tooth surface of the transmission component (502) is meshed with the surface of the support rod (504) through a pulley, and the surface of the support rod (504) is fixedly connected to the inner wall of the stirring plate (505).

8. The dual-hopper laser cladding device for ceramic-reinforced Inconel 718 according to claim 7, characterized in that: The surface of the fixing rod (402) is rotatably connected to the inner wall of the mounting box (102) and the storage box (202), the surface of the stepper motor (403) is fixedly connected to the surface of the protective box (501), the output end of the stepper motor (403) is meshed with the upper end of the transmission component (502) through a pulley, the surface of the bearing rod (504) is rotatably connected to the inner wall of the connecting pipe (103), the transmission component (502) and the tensioning wheel (503) are both located inside the protective box (501), and the surface of the protective box (501) is fixedly connected to the outer surface of the connecting pipe (103).

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