A vibrating particle enhanced arc additive manufacturing device
By introducing a vibrating particle reinforcement system into arc additive manufacturing, the problem of insufficient mechanical properties in arc additive manufacturing is solved, and uniform distribution of particles in the molten pool and improvement of material properties are achieved.
Patent Information
- Application Number
- CN202311258300.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-27
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2043-09-27
AI Technical Summary
In existing electric arc additive manufacturing technology, the stacking process of homogeneous metal materials results in low mechanical properties, making it difficult to meet the requirements of composite materials.
A vibrating particle reinforcement system is introduced, which achieves uniform particle distribution in arc additive manufacturing through vibrating rollers and a powder feeding system, forming a particle-reinforced composite material.
It improves the isotropic and mechanical properties of materials used in arc additive manufacturing, ensuring uniform particle distribution in the molten pool and preventing contamination by impurities.
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Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the field of additive manufacturing, and particularly relates to a process combining electric arc additive manufacturing and particle enhancement in argon. BACKGROUND
[0002] Electric arc additive manufacturing is a process in the additive manufacturing technology, which utilizes electric arc to melt welding wire to form a molten pool, and finally the cooling layers of the molten pool are stacked to form a part. This cladding technology has the advantages of high deposition rate, high cladding quality, high efficiency and low cost, and is a common modern additive manufacturing process. Since electric arc additive manufacturing is a process of stacking materials layer by layer to form a part, compared with particle reinforced materials, there is a problem of low mechanical performance.
[0003] The vibration particle enhanced electric arc additive manufacturing device of the present application adds a set of vibration particle enhancement system. The powder feeding system is used for coaxial uniform powder feeding at the welding gun, and the powder will enter the molten pool. At the same time, the vibration roller is used to promote the uniform distribution of particles in the molten pool. The powder as a particle reinforcement phase will form a particle reinforced composite material to improve the isotropy and mechanical properties of the electric arc additive manufacturing material. SUMMARY
[0004] The technical problem to be solved by the present application is to provide a vibration particle enhanced electric arc additive manufacturing device to solve the problems of the prior art.
[0005] The technical solution of the present application is as follows:
[0006] A vibration particle enhanced electric arc additive manufacturing device, characterized in that it comprises an electric arc additive manufacturing six-axis robot, a welding gun support frame, an additive manufacturing welding gun, a vibration particle enhancement system, an additive part, an electric arc additive manufacturing power supply, a workbench, a control cabinet and a powder feeder. The electric arc additive manufacturing power supply, the electric arc additive manufacturing six-axis robot, the workbench, the control cabinet and the powder feeder are all fastened to the ground by bolts. The welding gun support frame is made of insulating material. The welding gun support frame is installed at the joint end of the electric arc additive manufacturing six-axis robot. The additive manufacturing welding gun is installed on the welding gun support frame, and the electric arc additive manufacturing six-axis robot and the additive manufacturing welding gun are insulated from each other. The additive part is installed on the workbench by a clamp.
[0007] Preferably, the vibration particle reinforced system comprises: a vibration particle reinforced connecting mechanism, a vibration roller mechanism, a particle distribution mechanism; the vibration particle reinforced connecting mechanism comprises: a ring clamp, a square base, a silica gel damping block, a right-angle connecting frame, an L-shaped mounting plate; the square base is installed on the additive manufacturing welding gun through two sets of ring clamps; the right-angle connecting frame is installed on the square base through the silica gel damping block; the L-shaped mounting plate is installed below the right-angle connecting frame through a screw.
[0008] Preferably, the vibration roller mechanism comprises: a pneumatic cylinder assembly, an L-shaped guide rail sliding table assembly, a pneumatic linear vibrator, a vibrator ring clamp, a roller assembly; the L-shaped guide rail sliding table assembly comprises: an L-shaped guide rail base, a sliding table; the L-shaped guide rail base is vertically installed on the L-shaped mounting plate through a screw; the sliding table is installed on the L-shaped guide rail base and can slide up and down along the L-shaped guide rail base; the pneumatic cylinder assembly comprises: a pneumatic cylinder, a piston rod; the pneumatic cylinder is vertically installed on the right upper side of the L-shaped guide rail base through a mounting plate and a screw; the piston rod is coaxially installed in the pneumatic cylinder and can vertically move up and down along the pneumatic cylinder; the pneumatic linear vibrator is vertically installed on the sliding table through two vibrator ring clamps and abuts against the lower side of the piston rod; the roller assembly comprises: a roller, a roller frame, a support shaft; the roller frame is installed directly below the pneumatic linear vibrator; the roller is a cylindrical body with a concave middle part and a through hole at the center; the roller is installed on the roller frame through the support shaft; the roller is tightly attached to the upper surface of the additive part.
[0009] Preferably, the particle distribution mechanism comprises: a beam splitter tube, a powder feeding tube, a particle beam splitter, a cladding particle disperser; the particle beam splitter is a hollow square body with an ear plate on the upper side, three small holes on the lower side, and a large hole on the left side; the particle beam splitter is installed on the square base through a screw and is located on the left side of the additive manufacturing welding gun; the powder feeding tube is connected to the large hole on the left side of the particle beam splitter; the three small holes on the lower side of the particle beam splitter are connected to the cladding particle disperser through three beam splitter tubes; the upper part of the cladding particle disperser is a thin-walled annular cavity; the middle part of the cladding particle disperser is a thin-walled cylindrical body; the lower part of the cladding particle disperser is a bowl-shaped opening; the cladding particle disperser is coaxially installed on the additive manufacturing welding gun.
[0010] Preferably, the powder feeder comprises: a booster pipe, a powder barrel, a powder feeder shell, a motor, a powder feeder high foot table, an argon gas powder blowing pipe, a transmission belt mechanism, a powder hopper, a right-angle frame, a powder feeder shell support table; the booster pipe is installed above the powder barrel; the powder feeder shell is a hollow cuboid with a circular mounting hole at the top for mounting the powder barrel; the powder feeder shell is installed on the powder feeder shell support table by screws; the powder feeder high foot table is installed on the inner bottom of the powder feeder shell by bolts; the motor is installed on the powder feeder high foot table by bolts; the transmission belt mechanism comprises: a belt, a driving roller, a driven roller, a roller connecting frame; the belt is installed on the driving roller and the driven roller; the driving roller is coaxially connected to the output shaft of the motor; the driven roller is installed on the roller connecting frame with the driving roller, and the distance between the driving roller and the driven roller is adjustable for adjusting the tension state of the belt; the roller connecting frame is installed on the powder feeder high foot table by four right-angle frames; the powder hopper is a square funnel; the argon gas powder blowing pipe is installed in the powder feeder, the argon gas powder blowing pipe is divided into a large diameter section and a small diameter section, and argon gas enters from the large diameter section of the argon gas powder blowing pipe; the powder hopper is installed on the argon gas powder blowing pipe near the large diameter section of the neck-in part; the small diameter section of the argon gas powder blowing pipe is coaxially connected to the powder feeder pipe at the end; the left side of the belt is installed directly above the powder hopper; the right side of the belt is installed directly below the powder barrel; there is a proper gap between the belt and the powder barrel to ensure that the particles in the powder barrel fall smoothly on the belt, while preventing excessive overflow and diffusion of particles.
[0011] Preferably, during operation, the pneumatic cylinder assembly maintains the gas pressure in the cylinder constant so that the piston rod always applies a constant static pressure to the pneumatic linear vibrator, the pneumatic cylinder assembly makes the lower roller always tightly adhere to the upper surface of the additive part; the pneumatic linear vibrator changes the vibration frequency by changing the gas pressure; the roller moves with the additive manufacturing welding gun through the vibration particle reinforced connection mechanism and can rotate along the additive part; the silica gel damping block reduces the vibration conduction of the vibration particle reinforced mechanism to the additive manufacturing welding gun.
[0012] Preferably, in operation, the booster pipe accesses a gas source; the particles in the powder bucket are affected by gravity and gas pressure, and are deposited on the belt through the gap between the powder bucket and the belt; the motor transmits power to the driving roller; the driving roller transmits power to the belt, and drags the belt and the driven roller to rotate; the movement of the belt drags the particles to move to the other end of the belt; under the action of gravity, the particles fall into the powder hopper directly below, enter the large-diameter section of the argon gas blowing pipe, and are blown and carried by argon into the small-diameter section of the argon gas blowing pipe and into the powder feeding pipe; the argon-particle mixture is transported to the particle beam splitter through the powder feeding pipe; the particle beam splitter inputs the particles into the cladding particle disperser through the three lower beam splitter pipes; and the cladding particle disperser uniformly sprays the argon-particle mixture from below.
[0013] Preferably, in the electric arc additive manufacturing process, an electric arc is formed between the additive manufacturing welding gun and the additive part, and the electric arc generates high temperature to form a molten pool; argon blows the particles out of the powder feeding pipe, the particle beam splitter, the beam splitter pipe and the cladding particle disperser to form an argon-particle mixture and fly into the molten pool; at the same time, the linear vibration of the pneumatic linear vibrator is transmitted to the additive part through the roller assembly and causes the molten pool to vibrate; the particles in the molten pool are reinforcing phases, and the vibration causes the particles to be uniformly distributed in the molten pool when the particles fall into the molten pool, thereby improving the isotropy and material performance of the reinforcing material; through the movement of the electric arc additive manufacturing six-axis robot, the molten pool is stacked layer by layer according to the movement trajectory of the additive manufacturing welding gun, and finally cools and solidifies to form a part with a layer-by-layer stacked shape.
[0014] Compared with the prior art, the present application has the following technical effects:
[0015] The vibrating particle reinforced electric arc additive manufacturing device of the present application utilizes the vibrating roller mechanism to transmit vibration to the additive part, and the particle distribution mechanism sprays the argon-particle mixture onto the molten pool formed by the electric arc melting of the welding gun and the additive part. In the above electric arc additive manufacturing process, the argon-particle mixture is a reinforcing phase, and can be uniformly distributed in the molten pool under vibration, thereby greatly improving the isotropy and material performance of the material, and the argon can protect the particles from being contaminated by impurity elements during cladding. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The figure is a schematic diagram of the overall structure of the present application;
[0017] Figure 2 The figure is a schematic diagram of the vibrating particle reinforcement system of the present application;
[0018] Figure 3 The figure is a schematic diagram of the vibrating roller mechanism structure of the present application;
[0019] Figure 4 The welding gun working head of the present application;
[0020] Figure 5 The enlarged schematic view of the welding gun working head A of the present application;
[0021] Figure 6 The structure schematic view of the powder feeder of the present application;
[0022] Figure 7 The internal structure schematic view of the powder feeder of the present application;
[0023] 1, arc additive manufacturing six-axis robot, 2, welding gun support frame, 3, additive manufacturing welding gun, 4, vibration particle enhancement system, 5, additive part, 6, arc additive manufacturing power supply, 7, workbench, 8, control cabinet, 9, powder feeder, 10, ring clamp, 11, square base, 12, silica gel damping block, 13, right-angle connecting frame, 14, L-shaped mounting plate, 15, air cylinder, 16, piston rod, 17, L-shaped guide rail base, 18, sliding table, 19, pneumatic linear vibrator, 20, vibrator ring clamp, 21, roller frame, 22, roller, 23, beam splitter tube, 24, powder feeding tube, 25, particle beam splitter, 26, support shaft, 27, booster pipe, 28, powder bucket, 29, powder feeder shell, 30, motor, 31, driving roller, 32, powder machine high foot table, 33, argon powder blowing pipe, 34, belt, 35, driven roller, 36, powder hopper, 37, roller connecting frame, 38, right-angle frame, 39, cladding particle disperser. DETAILED DESCRIPTION
[0024] The embodiments of the present application will be described in detail below with reference to the drawings. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other as long as there is no conflict.
[0025] Example one:
[0026] The present application provides as follows Figures 1-7The illustrated vibrating particle enhanced arc additive manufacturing device is characterized by comprising an arc additive manufacturing six-axis robot 1, a welding gun support frame 2, an additive manufacturing welding gun 3, a vibrating particle enhancement system 4, an additive part 5, an arc additive manufacturing power supply 6, a workbench 7, a control cabinet 8, and a powder feeder 9. The arc additive manufacturing power supply 6, the arc additive manufacturing six-axis robot 1, the workbench 7, the control cabinet 8, and the powder feeder 9 are all fastened to the ground by bolts. The welding gun support frame 2 is made of insulating material. The welding gun support frame 2 is installed at the end of the joint of the arc additive manufacturing six-axis robot 1. The additive manufacturing welding gun 3 is installed on the welding gun support frame 2, and the arc additive manufacturing six-axis robot 1 and the additive manufacturing welding gun 3 are insulated from each other. The additive part 5 is installed on the workbench 7 by a clamp.
[0027] Preferably, the vibrating particle enhancement system 4 comprises a vibrating particle enhancement connecting mechanism, a vibrating roller mechanism, and a particle distribution mechanism. The vibrating particle enhancement connecting mechanism comprises a ring clamp 10, a square base 11, a silica gel damping block 12, a right-angle connecting frame 13, and an L-shaped mounting plate 14. The square base 11 is installed on the welding gun by two sets of ring clamps 10. The right-angle connecting frame 13 is installed on the square base 11 by the silica gel damping block 12. The L-shaped mounting plate 14 is installed below the right-angle connecting frame 13 by screws.
[0028] Preferably, the vibrating roller mechanism comprises a pneumatic cylinder assembly, an L-shaped guide rail sliding table 18 assembly, a pneumatic linear vibrator 19, a vibrator ring clamp 20, and a roller assembly. The L-shaped guide rail sliding table 18 assembly comprises an L-shaped guide rail base 17 and a sliding table 18. The L-shaped guide rail base 17 is vertically installed on the L-shaped mounting plate 14 by screws. The sliding table 18 is installed on the L-shaped guide rail base 17 and can slide up and down along the L-shaped guide rail base 17. The pneumatic cylinder assembly comprises a pneumatic cylinder 15 and a piston rod 16. There is a mounting plate below the pneumatic cylinder 15, which is vertically installed on the right upper side of the L-shaped guide rail base 17 by screws. The piston rod 16 is coaxially installed in the pneumatic cylinder 15 and can move vertically up and down along the pneumatic cylinder 15. The pneumatic linear vibrator 19 is vertically installed on the sliding table 18 by two vibrator ring clamps 20, with the upper side of the pneumatic linear vibrator 19 abutting against the lower side of the piston rod 16. The roller assembly comprises a roller 22, a roller stand 21, and a support shaft 26. The roller stand 21 is installed directly below the pneumatic linear vibrator 19. The roller 22 is a cylindrical shape with a concave middle part, and the shaft of the roller 22 has a through hole. The roller 22 is installed on the roller stand 21 by the support shaft 26. The roller 22 is tightly attached to the upper surface of the additive part 5.
[0029] Preferably, the particle distribution mechanism comprises: a beam splitter tube 23, a powder feeding tube 24, a particle beam splitter 25, a cladding particle disperser 39; the particle beam splitter 25 is a hollow square with an ear plate on top, three small holes on the bottom, and a large hole on the left side; the particle beam splitter 25 is installed on the square base 11 by screws, located on the left side of the additive manufacturing welding gun 3; the powder feeding tube 24 is connected to the large hole on the left side of the particle beam splitter 25; the three small holes on the bottom of the particle beam splitter 25 are connected to the cladding particle disperser 39 through three beam splitter tubes 23; the upper part of the cladding particle disperser 39 is a thin-walled annular cavity; the middle part of the cladding particle disperser 39 is a thin-walled cylinder; the lower part of the cladding particle disperser 39 is a bowl-shaped opening; the cladding particle disperser 39 is coaxially installed on the additive manufacturing welding gun 3.
[0030] Preferably, the powder feeder 9 comprises: a booster pipe 27, a powder barrel 28, a powder feeder shell 29, a motor 30, a powder feeder high foot table 32, an argon gas powder blowing pipe 33, a transmission belt mechanism, a powder hopper 36, a right-angle bracket 38, a powder feeder shell 29 support table; the booster pipe 27 is installed above the powder barrel 28; the powder feeder shell 29 is a hollow rectangular box with a circular mounting hole on the top for mounting the powder barrel 28; the powder feeder shell 29 is installed on the powder feeder shell 29 support table by screws; the powder feeder high foot table 32 is installed on the inner bottom of the powder feeder shell 29 by bolts; the motor 30 is installed on the powder feeder high foot table 32 by bolts; the transmission belt mechanism comprises: a belt 34, a driving roller 31, a driven roller 35, a roller connecting frame 37; the belt 34 is installed on the driving roller 31 and the driven roller 35; the driving roller 31 is coaxially connected to the output shaft of the motor 30; the driven roller 35 is installed on the roller connecting frame 37 with the driving roller 31, and the distance between the driving roller 31 and the driven roller 35 is adjustable for adjusting the tension state of the belt 34; the roller connecting frame 37 is installed on the powder feeder high foot table 32 through four right-angle brackets 38; the powder hopper 36 is a square funnel; the argon gas powder blowing pipe 33 is installed in the powder feeder 9, and the argon gas powder blowing pipe 33 is divided into a large diameter section and a small diameter section, and argon gas enters from the large diameter section of the argon gas powder blowing pipe 33; the powder hopper 36 is installed on the argon gas powder blowing pipe 33 near the large diameter section of the necking-down part; the small diameter section of the argon gas powder blowing pipe 33 is coaxially connected to the powder feeding tube 24 at the end; the left side of the belt 34 is installed directly above the powder hopper 36; the right side of the belt 34 is installed directly below the powder barrel 28; there is a proper gap between the belt 34 and the powder barrel 28, which can ensure that the particles in the powder barrel 28 fall smoothly on the belt 34, while preventing excessive overflow and diffusion of particles.
[0031] Preferably, in operation, the pneumatic cylinder assembly keeps the gas pressure in the cylinder 15 constant, so that the piston rod 16 always applies a constant static pressure to the pneumatic linear vibrator 19, and the roller 22 is always tightly attached to the upper surface of the additive part 5; the pneumatic linear vibrator 19 changes the vibration frequency by changing the gas pressure; the roller 22 moves with the additive manufacturing welding torch 3 through the vibration particle reinforced connection mechanism, and can rotate along the additive part 5; the silica gel damping block 12 reduces the vibration conduction of the vibration particle reinforced mechanism to the additive manufacturing welding torch 3.
[0032] Preferably, in operation, the booster pipe 27 is connected to a gas source; the particles in the powder bucket 28 are affected by gravity and gas pressure, and are deposited on the belt through the gap between the powder bucket 28 and the belt 34; the motor 30 transmits power to the driving roller 31; the driving roller 31 transmits power to the belt 34, and drives the belt 34 and the driven roller 35 to rotate; the movement of the belt 34 drags the particles to the other end of the belt 34; under the action of gravity, the particles fall into the powder hopper 36 directly below, enter the large-diameter section of the argon powder blowing pipe 33, and are blown and carried by argon into the small-diameter section of the argon powder blowing pipe 33 and into the powder feeding pipe 24; the argon-particle mixture is transported to the particle beam splitter 25 through the powder feeding pipe 24; the particle beam splitter 25 inputs the particles into the cladding particle disperser 39 through the three lower beam splitting pipes 23; the cladding particle disperser 39 uniformly disperses and sprays the argon-particle mixture from below.
[0033] Preferably, in the electric arc additive manufacturing process, an electric arc is formed between the additive manufacturing welding torch 3 and the additive part 5, and the electric arc generates high temperature to form a molten pool; argon blows the particles out of the powder feeding pipe 24, the particle beam splitter 25, the beam splitting pipe 23, and the cladding particle disperser 39 to form an argon-particle mixture and fly into the molten pool; at the same time, the linear vibration of the pneumatic linear vibrator 19 is conducted to the additive part 5 through the roller assembly, and causes the molten pool to vibrate; the particles in the molten pool are the reinforcing phase, and the vibration causes the particles to be uniformly distributed in the molten pool when the particles fall into the molten pool, thereby enhancing the isotropy of the reinforcing material and the material performance; through the movement of the electric arc additive manufacturing six-axis robot, the molten pool will be stacked layer by layer according to the movement trajectory of the additive manufacturing welding torch 3, and finally cooled and solidified to form a part with a layer-by-layer stacked shape.
[0034] Compared with the prior art, the present application has the following technical effects:
[0035] The vibration particle reinforced electric arc additive manufacturing device of the present application increases a set of vibration particle reinforcement system, the powder feeding system is used for the coaxial uniform powder feeding at the welding gun, the powder will enter into the molten pool; at the same time, the vibration roller is used to promote the uniform distribution of particles in the molten pool; the powder as a kind of particle reinforced phase will form a particle reinforced composite material, improve the isotropy and mechanical properties of electric arc additive manufacturing material.
[0036] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A vibratory particle-reinforced electric arc additive manufacturing device, characterized by The application relates to an electric arc additive manufacturing six-axis robot, a welding gun support frame, an additive manufacturing welding gun, a vibrating particle reinforcing system, an additive piece, an electric arc additive manufacturing power supply, a workbench, a control cabinet and a powder feeder; the electric arc additive manufacturing power supply, the electric arc additive manufacturing six-axis robot, the workbench, the control cabinet and the powder feeder are all fastened to the ground by bolts; the welding gun support frame is made of insulating material; the welding gun support frame is installed at the end of a joint of the electric arc additive manufacturing six-axis robot; the additive manufacturing welding gun is installed on the welding gun support frame, and the electric arc additive manufacturing six-axis robot and the additive manufacturing welding gun are insulated from each other. The additive piece is installed on the workbench by a clamp. The vibrating particle reinforcing system comprises a vibrating particle reinforcing connecting mechanism, a vibrating roller mechanism and a particle distribution mechanism; the vibrating particle reinforcing connecting mechanism comprises a ring-shaped clamp, a square base, a silica gel damping block, a right-angle connecting frame and an L-shaped mounting plate; the square base is installed on the additive manufacturing welding gun by two groups of ring-shaped clamps; the right-angle connecting frame is installed on the square base by the silica gel damping block; and the L-shaped mounting plate is installed below the right-angle connecting frame by screws. The vibrating roller mechanism comprises a pneumatic cylinder assembly, an L-shaped guide rail sliding table assembly, a pneumatic linear vibrator, a vibrator ring-shaped clamp and a roller assembly; the L-shaped guide rail sliding table assembly comprises an L-shaped guide rail base and a sliding table; the L-shaped guide rail base is vertically installed on the L-shaped mounting plate by screws; the sliding table is installed on the L-shaped guide rail base and can slide up and down along the L-shaped guide rail base; the pneumatic cylinder assembly comprises a cylinder and a piston rod; the cylinder is vertically installed on the right upper side of the L-shaped guide rail base by a mounting plate and screws; the piston rod is coaxially installed in the cylinder and can vertically move up and down along the cylinder; the pneumatic linear vibrator is vertically installed on the sliding table by two vibrator ring-shaped clamps and abuts against the lower side of the piston rod; and the roller assembly comprises a roller, a roller frame and a supporting shaft. During work, the pneumatic cylinder assembly keeps the air pressure in the cylinder unchanged so that the piston rod always applies constant static pressure to the pneumatic linear vibrator, and the pneumatic cylinder assembly makes the lower roller always tightly adhere to the upper surface of the additive piece; the pneumatic linear vibrator changes the vibration frequency by changing the air pressure; the roller moves with the additive manufacturing welding gun through the vibrating particle reinforcing connecting mechanism and can rotate along the additive piece; and the silica gel damping block weakens the vibration conduction of the vibrating particle reinforcing mechanism to the additive manufacturing welding gun. In the electric arc additive manufacturing process, an electric arc is formed between the additive manufacturing welding torch and the additive part, which produces high temperature to form a molten pool; argon gas blows particles out to form an argon particle mixture and flies into the molten pool; at the same time, the linear vibration of the pneumatic linear vibrator is transmitted to the additive part through the roller assembly and causes the molten pool to vibrate; the particles in the molten pool are reinforcing phases, and the vibration causes the particles to be uniformly distributed in the molten pool when the particles fall into the molten pool, enhancing the isotropy of the reinforcing material and the material performance; through the movement of the electric arc additive manufacturing six-axis robot, the molten pool will be stacked layer by layer according to the movement trajectory of the additive manufacturing welding torch, and finally cooled and solidified to form a part with a layer-by-layer stacked shape.
2. The vibrating particle reinforced electric arc additive manufacturing device of claim 1, wherein: the roller holder is installed directly below the pneumatic linear vibrator; the roller is a cylindrical shape with a concave middle, and the roller shaft has a through hole; the roller is installed on the roller holder through the support shaft; and the roller is tightly attached to the upper surface of the additive part.
3. The vibrating particle reinforced electric arc additive manufacturing device of claim 2, wherein: the particle distribution mechanism includes a beam splitter tube, a powder feeding tube, a particle beam splitter, and a cladding particle disperser; the particle beam splitter is a hollow square body with an ear plate on the top, three small holes on the bottom, and a large hole on the left side; the particle beam splitter is installed on the square base through screws and is located on the left side of the additive manufacturing welding torch; the powder feeding tube is connected to the large hole on the left side of the particle beam splitter; the three small holes on the bottom of the particle beam splitter are connected to the cladding particle disperser through three beam splitter tubes; the upper part of the cladding particle disperser is a thin-walled annular cavity; the middle part of the cladding particle disperser is a thin-walled cylinder; the lower part of the cladding particle disperser is a bowl-shaped opening; and the cladding particle disperser is coaxially installed on the additive manufacturing welding torch.
4. The vibrating particle reinforced electric arc additive manufacturing device of claim 3, wherein: The powder feeder comprises: a booster pipe, a powder barrel, a powder feeder shell, a motor, a powder feeder high foot table, an argon gas powder blowing pipe, a transmission belt mechanism, a powder hopper, a right-angle frame, and a powder feeder shell support table; the booster pipe is installed above the powder barrel; the powder feeder shell is a hollow cuboid with a circular mounting hole at the top for mounting the powder barrel; the powder feeder shell is installed on the powder feeder shell support table by screws; the powder feeder high foot table is installed on the bottom of the powder feeder shell by bolts; the motor is installed on the powder feeder high foot table by bolts; the transmission belt mechanism comprises a belt, a driving roller, a driven roller, and a roller connecting frame; the belt is installed on the driving roller and the driven roller; the driving roller is coaxially connected to the output shaft of the motor; the driven roller is installed on the roller connecting frame together with the driving roller; the distance between the driving roller and the driven roller is adjustable to adjust the tension of the belt; the roller connecting frame is installed on the powder feeder high foot table by four right-angle frames; the powder hopper is a square funnel; the argon gas powder blowing pipe is installed in the powder feeder; the argon gas powder blowing pipe is divided into a large-diameter section and a small-diameter section, and argon gas enters from the large-diameter section; the powder hopper is installed on the argon gas powder blowing pipe near the large-diameter section of the necking-down part; the small-diameter section of the argon gas powder blowing pipe is coaxially connected to the powder feeding pipe at the end; the left side of the belt is installed directly above the powder hopper; the right side of the belt is installed directly below the powder barrel; there is a gap between the belt and the powder barrel to ensure that the particles in the powder barrel fall smoothly onto the belt and prevent excessive overflow and diffusion of the particles.
5. The vibration particle enhanced electric arc additive manufacturing device of claim 4, wherein: In operation, the booster pipe is connected to a gas source; the particles in the powder barrel are affected by gravity and gas pressure, and fall through the gap between the powder barrel and the belt to the belt; the motor transmits power to the driving roller; the driving roller transmits power to the belt, dragging the belt and the driven roller to rotate; the movement of the belt drags the particles to the other end of the belt; under the action of gravity, the particles fall into the powder hopper below and enter the large-diameter section of the argon gas powder blowing pipe; the large-diameter section of the argon gas powder blowing pipe is connected to high-pressure argon gas, which blows and carries the particles into the small-diameter section of the argon gas powder blowing pipe and the powder feeding pipe; the argon gas and particle mixture is transported to the particle beam splitter through the powder feeding pipe; the particle beam splitter inputs the argon gas and particle mixture into the cladding particle disperser through the three lower beam splitting pipes; the cladding particle disperser uniformly disperses and sprays the argon gas and particle mixture from below.
6. The vibration particle enhanced electric arc additive manufacturing device of claim 5, wherein: In the electric arc additive manufacturing process, an electric arc is formed between the additive manufacturing welding gun and the additive part, which generates high temperature to form a molten pool; argon gas blows particles through the powder feeding pipe, the particle beam splitter, the beam splitting pipe and the cladding particle disperser to form an argon particle mixture and fly into the molten pool; at the same time, the linear vibration of the pneumatic linear vibrator is transmitted to the additive part through the roller assembly and causes the molten pool to vibrate; the particles in the molten pool are reinforcing phases, and the vibration causes the particles to be uniformly distributed in the molten pool when the particles fall into the molten pool, so that the isotropy of the reinforcing material and the material performance are improved; through the movement of the electric arc additive manufacturing six-axis robot, the molten pool will be stacked layer by layer according to the movement trajectory of the additive manufacturing welding gun, and finally cooled and solidified to form a part with a shape of layer-by-layer stacking.
Citation Information
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