An arc additive manufacturing device and an additive manufacturing method

Abstract

The present application relates to an arc additive manufacturing device and an additive manufacturing method, belonging to the field of arc additive manufacturing equipment. It includes a frame, a melting material assembly, a horizontal adjustment assembly, and an angle adjustment assembly. The melting material assembly is arranged on the frame; the horizontal adjustment assembly includes a cross slide table with a sliding part. The cross slide table is connected to the frame, and the sliding direction of the sliding part is perpendicular to the first direction; the angle adjustment assembly includes a spherical hinge assembly, a bearing seat, and a first linear driving member. The bearing seat has a bearing surface, and the bearing seat is freely rotatably connected to the sliding part through the spherical hinge assembly; one end of the first linear driving member is fixedly connected to the sliding part, and the other end is for the bearing seat to be lapped. In a plane perpendicular to the first direction, a plurality of first linear driving members are distributed around the spherical hinge assembly. The present application has the effect of providing an arc additive manufacturing device that is convenient for processing products at multiple angles.

Description

Technical Field

[0001] The present application relates to the field of arc additive manufacturing equipment, and in particular, to an arc additive manufacturing device and an additive manufacturing method. Background Art

[0002] Arc additive manufacturing is a technology that uses an arc as a heat source to stack metal materials layer by layer into a three-dimensional entity. With the increasing demand for complex-shaped parts in the manufacturing industry, arc additive manufacturing has gradually become an important part of modern manufacturing due to its low cost, high efficiency, strong adaptability, etc. This technology can not only meet the needs of small-batch and customized production, but also show great application potential in fields such as aerospace and automotive manufacturing.

[0003] Currently, the common manufacturing method is as follows: using a fixed welding platform for single-point welding and manually adjusting the position of the workpiece to achieve multi-angle processing. However, this method has a low operation efficiency and requires a large amount of labor.

[0004] Therefore, it is an urgent problem to provide an arc additive manufacturing device that is convenient for multi-angle processing of products. Summary of the Invention

[0005] In order to provide an arc additive manufacturing device that is convenient for multi-angle processing of products, the present application provides an arc additive manufacturing device and an additive manufacturing method.

[0006] In a first aspect, the present application provides an arc additive manufacturing device, adopting the following technical solution:

[0007] An arc additive manufacturing device includes:

[0008] A frame;

[0009] A melting material component, which is arranged on the frame; and,

[0010] A horizontal adjustment component and an angle adjustment component;

[0011] The horizontal adjustment component includes:

[0012] A cross slide with a sliding part, the cross slide is connected to the frame, and the sliding direction of the sliding part is perpendicular to the first direction;

[0013] The angle adjustment component includes:

[0014] A spherical hinge component;

[0015] A bearing seat, the bearing seat has a bearing surface, and the bearing seat is freely rotatably connected to the sliding part through the spherical hinge component; and,

[0016] The first linear drive member, one end of the first linear drive member is fixedly connected to the sliding portion, and the other end is for the bearing seat to be lapped. In a plane perpendicular to the first direction, a plurality of the first linear drive members are distributed around the spherical hinge assembly.

[0017] By adopting the above technical solutions, the arc additive manufacturing device can achieve flexible processing at multiple angles and in multiple directions, significantly improving the operation efficiency and product quality. Specifically, through the cooperation of the horizontal adjustment assembly and the angle adjustment assembly, precise adjustment of any position and angle in a plane perpendicular to the first direction can be achieved, so as to meet the processing requirements of products with different shapes and sizes. The cross slide table in the horizontal adjustment assembly enables the bearing seat to move freely in the horizontal direction, while the spherical hinge assembly and the first linear drive member in the angle adjustment assembly ensure that the bearing seat can be precisely adjusted at multiple angles in multiple directions, making the processing process more flexible and efficient. When in use, only by adjusting the length of the first linear drive member, the angle of the bearing seat lapped on the first linear drive member can be adjusted, and processing operations can be carried out from different angles.

[0018] Optionally, it further includes a plurality of clamping assemblies, and the clamping assembly includes:

[0019] A clamping block, the clamping block is slidably connected to the bearing seat along the bearing surface, and the clamping blocks in a plurality of the clamping assemblies surround to form a clamping area, and,

[0020] A second linear drive member, the second linear drive member is connected between the bearing seat and the clamping block to drive the clamping block to slide along the bearing seat.

[0021] By adopting the above technical solutions, the clamping block is slidably connected to the bearing seat along the bearing surface, and the clamping blocks in a plurality of clamping assemblies surround to form a clamping area, which can adapt to products with different sizes and shapes. The second linear drive member is connected between the bearing seat and the clamping block to drive the clamping block to slide along the bearing seat, so as to precisely adjust the size of the clamping area and ensure the stability and reliability of the product during multi-angle processing. This not only improves the work efficiency but also guarantees the product quality.

[0022] Optionally, the molten material assembly includes:

[0023] A column, the column is fixedly connected to the frame;

[0024] A welding torch, the welding torch is connected to the column; and,

[0025] A wire feeding seat body, the wire feeding seat body is connected to the column, and the wire feeding seat body is used for installing welding wire.

[0026] By adopting the above technical solution, the column is fixedly connected to the frame, the welding torch is connected to the column, and the wire feeding seat body is connected to the column and used for installing the welding wire, realizing the stable supply and melting of the welding wire, and improving the reliability and stability of the arc additive manufacturing process; especially during the multi-angle processing, the fixed connection structure of the welding torch and the wire feeding seat body ensures the continuous supply of the welding wire, avoids the operation interruption caused by the discontinuous supply of the welding wire, and improves the operation efficiency.

[0027] Optionally, the wire feeding seat body is rotatably connected to the column, and the rotation axis of the wire feeding seat body along the column is perpendicular to the first direction.

[0028] By adopting the above technical solution, the operator can adjust the wire feeding angle of the welding wire according to actual needs, ensure that the welding wire can accurately enter the muzzle of the welding torch, and further improve the welding quality and efficiency.

[0029] Optionally, it further includes a heat dissipation component and a rotation driving component, and the heat dissipation component includes:

[0030] An installation ring with a central axis, and the installation ring is sleeved on the outer periphery of the column;

[0031] A rotating shaft, around the central axis of the installation ring, a plurality of the rotating shafts are evenly distributed, the rotating shaft is fixedly connected to the installation ring, and the rotating shaft is parallel to the tangent direction of the installation ring; and,

[0032] A rotating plate with a connection end, a perforation is provided at the connection end of the rotating plate, the rotating shaft passes through the perforation, and each rotating plate is correspondingly rotatably connected to the installation ring through the rotating shaft, so that the rotating plate can be adjusted between a pressing-down posture, an expanding posture and a tilting-up posture;

[0033] When the rotating plate is in the pressing-down posture, the rotating plate inclines outward from the welding torch to the bearing seat direction with respect to the installation ring, and the side walls of two adjacent rotating plates are in contact with each other;

[0034] When the rotating plate is in the tilting-up posture, the rotating plate inclines outward from the bearing seat to the welding torch direction with respect to the installation ring, and the side walls of two adjacent rotating plates are in contact with each other;

[0035] During the process of the rotating plate being adjusted between the pressing-down posture and the tilting-up posture, the rotating plate is in the expanding posture, and a heat dissipation gap is formed between two adjacent rotating plates in the circumferential direction of the installation ring;

[0036] The rotation driving component is connected between the column and the rotating plate to drive the rotating plate to rotate along the rotating shaft.

[0037] By adopting the above technical solution, the rotating plate can be adjusted between a downward pressure posture, an expanded posture and an upward posture, effectively increasing the heat dissipation area and the heat dissipation path, thereby significantly improving the heat dissipation efficiency of the environment around the welding gun; at the same time, the heat dissipation gap formed by the rotating plate during the adjustment process helps to promote air circulation, accelerate the discharge of hot air flow, avoid secondary heat melting of the welding wire due to high temperature, and ensure the stability and reliability of the arc additive manufacturing process.

[0038] Optionally, the rotating plate is provided with a plurality of heat dissipation holes along the thickness direction of the rotating plate.

[0039] By adopting the above technical solution, the multiple heat dissipation holes opened through the rotating plate can significantly increase the air circulation area, thereby accelerating the dissipation of heat and effectively reducing the temperature around the welding gun.

[0040] Optionally, a side of the rotating plate away from the supporting plate is a top heat dissipation surface, and the rotating plate is provided with a plurality of heat dissipation fins protruding from the top heat dissipation surface.

[0041] By adopting the above technical solution, a plurality of heat dissipation fins are provided on the top heat dissipation surface of the rotating plate, which increases the heat dissipation surface area, improves the heat dissipation efficiency, and effectively reduces the temperature around the welding gun.

[0042] Optionally, a cold water pipe connected to a cold water source is embedded in the rotating plate and / or the heat dissipating fins.

[0043] By adopting the above technical solution, the cold water pipe buried in the rotating plate and / or the heat dissipating fins can effectively absorb the heat of the rotating plate and the heat dissipating fins during operation, further improving the cooling effect; specifically, the cold water in the cold water pipe takes away a large amount of heat during the circulation process, thereby significantly reducing the temperature of the environment around the welding gun.

[0044] Optionally, an axial flow fan is provided on the frame, and an air inlet of the axial flow fan faces the welding gun.

[0045] By adopting the above technical solution, the air inlet of the axial flow fan is directed toward the welding gun, which can effectively guide the hot air flow generated around the welding gun to flow away from the welding gun, thereby speeding up the air circulation speed around the welding gun and reducing the temperature of the welding gun when it is working.

[0046] In a second aspect, the present application provides an arc additive manufacturing method, which adopts the following technical solution:

[0047] An arc additive manufacturing method, using the aforementioned arc additive manufacturing device for manufacturing, comprises the following steps:

[0048] S1: Install the welding wire on the feeding seat;

[0049] S2: Start the welding torch to melt the welding wire thermally, and place the melted welding wire on the bearing seat.

[0050] By adopting the above technical solution, during the welding process, if it is necessary to adjust the product angle, the bearing seat can be adjusted to different angles only by the cross slide and the first linear driving member, so as to facilitate processing the product from multiple angles.

[0051] In summary, the present application includes at least one of the following beneficial technical effects:

[0052] 1. The arc additive manufacturing device can achieve flexible processing in multiple angles and directions, significantly improving the operation efficiency and product quality;

[0053] 2. The rotating plate can be adjusted between the pressing posture, the expanding posture and the upturning posture, effectively increasing the heat dissipation area and heat dissipation path, thus significantly improving the heat dissipation efficiency of the environment around the welding torch;

[0054] 3. The cold water pipes buried in the rotating plate and / or the heat dissipation fins can effectively absorb the heat of the rotating plate and the heat dissipation fins during the operation process, further enhancing the cooling effect. Description of the Drawings

[0055] Figure 1 is the overall structural schematic diagram of the embodiment of the present application;

[0056] Figure 2 is the structural schematic diagram of the melting material assembly in the embodiment of the present application;

[0057] Figure 3 is the structural schematic diagram of the spherical hinge assembly in the embodiment of the present application;

[0058] Figure 4 is Figure 1 the enlarged view of part A in

[0059] Figure 5 is the structural schematic diagram of the rotation driving assembly in the embodiment of the present application;

[0060] Figure 6 is Figure 5 the enlarged view of part B in

[0061] Description of reference numerals: 1. Frame; 11. Bottom support plate; 12. Side support plate; 2. Melt material assembly; 21. Horizontal plate; 211. Axial flow fan; 22. Column; 23. Welding torch; 24. First connecting frame; 25. Feeding seat body; 251. Feeding perforation; 26. Locking screw; 3. Horizontal adjustment assembly; 31. Cross slide; 311. Sliding part; 32. Sliding block; 4. Angle adjustment assembly; 41. Bearing seat; 411. Bearing surface; 42. Ball hinge assembly; 421. Ball seat; 422. Universal ball; 43. First linear driving member; 44. Support ball; 5. Clamping assembly; 51. Clamping block; 52. Second linear driving member; 53. Clamping area; 6. Heat dissipation assembly; 61. Installation ring; 62. Second connecting frame; 63. Rotating shaft; 64. Rotating plate; 641. Connection end; 6410. Rotating perforation; 642. Heat dissipation hole; 643. Top heat dissipation surface; 644. Heat dissipation fin; 645. Cold water pipe; 7. Rotating driving assembly; 71. Lifting ring; 72. Third linear driving member; 73. Clamping member; 731. Upper clamping plate; 732. Lower clamping plate; 733. Clamping gap; 74. Paddle. Detailed implementation mode

[0062] The following is a further detailed description of the present application in conjunction with the attached Figures 1-6 drawings. For the convenience of description, the present application introduces orientation terms such as the first direction and the second direction. The orientation terms such as "the first direction and the second direction" can specifically refer to the figure shown, where X represents the first direction X, Y represents the second direction Y, and the first direction X and the second direction Y are perpendicular to each other.

[0063] An embodiment of the present application discloses an arc additive manufacturing device. Refer to Figure 1 and Figure 2 , the arc additive manufacturing device includes a frame 1, a melt material assembly 2, a horizontal adjustment assembly 3 and an angle adjustment assembly 4;

[0064] The frame 1 is in an L shape. The frame 1 has a bottom support plate 11 perpendicular to the first direction and a side support plate 12 perpendicular to the second direction. The melt material assembly 2 is arranged on the frame 1, specifically, the melt material assembly 2 is arranged on the side support plate 12.

[0065] Refer to Figure 1 and Figure 2, the molten material assembly 2 includes a cross plate 21, a column 22, a welding torch 23, a first connecting frame 24, a feeding seat body 25, and a locking screw 26; the cross plate 21 is fixedly connected to the side support plate 12, the column 22 is fixedly connected to one side of the cross plate 21 close to the bottom support plate 11, the column 22 is arranged parallel to the first direction, and the welding torch 23 is fixedly connected to one end of the column 22 close to the bottom support plate 11; the first connecting frame 24 is fixedly connected to the column 22, the feeding seat body 25 is rotatably connected to the first connecting frame 24 through a first rotating shaft, the first rotating shaft is perpendicular to the first direction, the locking screw 26 is threadedly connected to the feeding seat body 25, and after passing through the feeding seat body 25, the locking screw 26 abuts against the first connecting frame 24; a feeding through hole 251 is formed through the feeding seat body 25, the feeding through hole 251 is located on the side of the first rotating shaft, and the feeding through hole 251 is used for the wire to pass through;

[0066] During the operation process, insert the wire into the feeding through hole 251, and place the end of the wire at the muzzle of the welding torch 23, so that the welding torch 23 heats and melts the wire. If it is necessary to adjust the feeding angle of the wire, just loosen the locking screw 26, and then rotate the feeding seat body 25 along the first connecting frame 24 to the required angle;

[0067] In some embodiments of the present application, an axial flow fan 211 is further fixedly connected to the cross plate 21, and the air inlet of the axial flow fan 211 is arranged towards the side of the welding torch 23, so as to convey the heat generated during the heating process of the welding torch 23 to the side away from the welding torch 23.

[0068] Refer to Figure 1 , the horizontal adjustment assembly 3 includes a cross slide 31 having a sliding portion 311 and a sliding block 32 fixedly connected to the sliding portion 311. Driven by the driving component in the cross slide 31, the sliding portion 311 can slide in a plane perpendicular to the first direction.

[0069] Refer to Figure 1 , Figure 2 and Figure 3 , the angle adjustment assembly 4 is installed on the sliding block 32 to slide along with the sliding portion 311 in a plane perpendicular to the first direction. The angle adjustment assembly 4 includes a bearing seat 41, a spherical hinge assembly 42, and a first linear driving member 43;

[0070] In the first direction, the bearing seat 41 is located on the side of the sliding block 32 close to the welding torch 23. The wall surface of the bearing seat 41 close to the welding torch 23 is the bearing surface 411. The spherical hinge assembly 42 is connected between the bearing seat 41 and the sliding block 32 to enable the bearing seat 41 to freely rotate along the sliding block 32. The spherical hinge assembly 42 includes a ball seat 421 and a universal ball 422. The universal ball 422 is adaptively embedded in the ball seat 421 and can freely rotate along the ball seat 421. The ball seat 421 is fixedly connected to the sliding block 32, and the universal ball 422 is fixedly connected to the bearing seat 41, so that the bearing seat 41 can freely rotate along the sliding block 32 through the spherical hinge assembly 42.

[0071] The driving direction of the first linear driving member 43 is parallel to the first direction. One end of the first linear driving member 43 is fixedly connected to the sliding block 32, and the other end contacts the surface of the bearing seat 41 away from the welding torch 23 for the bearing seat 41 to be lapped on the first linear driving member 43. In a plane perpendicular to the first direction, a plurality of first linear driving members 43 are distributed around the outer circumference of the spherical hinge assembly 42. By adjusting the length of the first linear driving member 43, the angle of the bearing seat 41 can be changed. In the present disclosure, the first linear driving member 43 is a driving cylinder. Specifically, the cylinder body of the first linear driving member 43 is fixedly connected to the sliding block 32, and a support ball 44 is fixedly connected to the piston rod of the first linear driving member 43. The bearing seat 41 is lapped on the support ball 44.

[0072] Refer to Figure 4 , in some embodiments of the present application, there are also a plurality of clamping assemblies 5. The clamping assembly 5 includes a clamping block 51 and a second linear driving member 52. In the present disclosure, the plurality of clamping assemblies 5 are distributed around the virtual circular axis. When the bearing surface 411 is perpendicular to the first direction, the central axis of the virtual circle is parallel to the first direction.

[0073] The clamping block 51 can slide along the bearing surface 411 on the bearing seat 41, that is, when the bearing surface 411 is perpendicular to the first direction, the sliding direction of the clamping block 51 is perpendicular to the first direction. The clamping blocks 51 of the plurality of clamping assemblies 5 enclose a clamping area 53 for accommodating the product on the bearing surface 411. The second linear driving member 52 is connected between the clamping block 51 and the bearing seat 41 and is used to drive the clamping block 51 to slide along the bearing seat 41. During the process of the clamping block 51 moving along the bearing surface 411, the size of the enclosed clamping area 53 can be changed. In the present disclosure, the second linear driving member 52 is a cylinder. The cylinder body of the second linear driving member 52 is fixedly connected to the bearing seat 41, and the piston rod of the second linear driving member 52 is fixedly connected to the clamping block 51 to drive the clamping block 51 to slide along the bearing surface 411.

[0074] Refer to Figure 5 and Figure 6, in some embodiments of the present application, it further includes a heat dissipation component 6 and a rotation driving component 7. The heat dissipation component 6 includes a mounting ring 61 having a central axis, a second connecting frame 62, a rotating shaft 63, and a rotating plate 64 having a connecting end 641;

[0075] The mounting ring 61 is located on the side of the welding torch 23 away from the bearing seat 41. The central axis of the mounting ring 61 is parallel to the first direction, and the mounting ring 61 is sleeved on the outer circumference of the column 22; the second connecting frame 62 is located on the side of the mounting ring 61 away from the welding torch 23. The second connecting frame 62 is L-shaped. One end of the second connecting frame 62 is fixedly connected to the mounting ring 61, and the other end is fixedly connected to the column 22, so that the mounting ring 61 is fixed on the column 22;

[0076] The rotating shaft 63 is fixedly connected to the mounting ring 61, and the rotating shaft 63 is parallel to the tangent direction of the circular ring where the rotating shaft 63 is located on the mounting ring 61. There are multiple rotating shafts 63 on the mounting ring 61, and the multiple rotating shafts 63 are evenly distributed in the circumferential direction of the mounting ring 61. Each rotating shaft 63 is correspondingly connected with a rotating plate 64; a rotating through hole 6410 is formed in the connecting end 641 of the rotating plate 64, and the rotating shaft 63 passes through the rotating through hole 6410 and the rotating plate 64 can rotate along the rotating shaft 63. In some embodiments, a bearing can also be provided between the rotating shaft 63 and the rotating through hole 6410 of the rotating plate 64 to improve the smoothness of rotation; during the process of the rotating plate 64 rotating along the rotating shaft 63, it can be adjusted between a pressing-down posture, an expanding posture, and a tilting-up posture;

[0077] When the rotating plate 64 is in the pressing-down posture, the rotating plate 64 inclines outward from the welding torch 23 to the bearing seat 41 towards the outside of the mounting ring 61, and the side walls of adjacent two rotating plates 64 are in contact with each other;

[0078] When the rotating plate 64 is in the tilting-up posture, the rotating plate 64 inclines towards the outside of the mounting ring 61 from the bearing seat 41 to the welding torch 23, and the side walls of adjacent two rotating plates 64 are in contact with each other;

[0079] During the process of the rotating plate 64 adjusting between the pressing-down posture and the tilting-up posture, the rotating plate 64 is in the expanding posture, and a heat dissipation gap is formed between adjacent two rotating plates 64 in the circumferential direction of the mounting ring 61;

[0080] The rotation driving component 7 is connected between the column 22 and the rotating plate 64 to drive the rotating plate 64 to rotate along the rotating shaft 63 and change the posture of the rotating plate 64; during the rotation of the rotating plate 64, the flow of air will be accelerated, and the temperature outside the welding torch 23 will be reduced;

[0081] In order to further reduce the temperature, heat dissipation holes 642 are penetrated in the rotating plate 64 in the thickness direction of the rotating plate 64. Specifically, a plurality of heat dissipation holes 642 are distributed on the rotating plate 64; in addition, the wall surface of the rotating plate 64 away from the bearing seat 41 is the top heat dissipation surface 643, and a plurality of heat dissipation fins 644 are convexly provided on the rotating plate 64 at the top heat dissipation surface 643;

[0082] Furthermore, a cold water pipe 645 is embedded in the rotating plate 64 and / or the heat dissipation fins 644. The cold water pipe 645 has a water inlet and a water outlet. The water inlet pipe of the cold water pipe 645 is communicated with a cold water source. During the operation process, cold water is sent into the cold water pipe 645 from the water inlet, absorbs the heat of the rotating plate 64 and / or the heat dissipation fins 644 and then is discharged from the water outlet, so as to cool the rotating plate 64 and / or the heat dissipation fins 644; in the present disclosure, the cold water pipe 645 is embedded in both the rotating plate 64 and the heat dissipation fins 644.

[0083] Referring to Figure 5 and Figure 6 Figure, the rotation driving assembly 7 includes a lifting ring 71, a third linear driving member 72, a clamping member 73 and a dial 74;

[0084] The lifting ring 71 is coaxially arranged with the mounting ring 61. The lifting ring 71 is sleeved on the column 22, and the lifting ring 71 can slide on the column 22 along the first direction. The third linear driving member 72 is connected between the lifting ring 71 and the column 22 to drive the lifting ring 71 to move along the column 22. In this embodiment, the third linear driving member 72 is a cylinder. The cylinder body of the third linear driving member 72 is fixedly connected to the column 22, and the piston rod of the third linear driving member 72 is fixedly connected to the lifting ring 71. During the telescopic process of the third linear driving member 72, the lifting ring 71 can be driven to slide along the column 22;

[0085] Each rotating plate 64 is fixedly connected to a corresponding dial 74. The dial 74 is located at one end of the rotating plate 64 close to the lifting ring 71;

[0086] A plurality of clamping members 73 are circumferentially distributed around the lifting ring 71. The clamping member 73 includes an upper clamping plate 731 and a lower clamping plate 732. Both the upper clamping plate 731 and the lower clamping plate 732 are fixedly connected to the outer periphery of the lifting ring 71. The lower clamping plate 732 is located on the side of the upper clamping plate 731 close to the bearing seat 41, and a clamping gap 733 is formed between the upper clamping plate 731 and the lower clamping plate 732 in the first direction; a dial 74 on a rotating plate 64 is correspondingly inserted into each clamping gap 733. The thickness of the clamping gap 733 in the first direction is greater than the thickness of the dial 74, and the thickness is adapted to the adjustment of the rotating plate 64 between the downward pressing posture and the upward tilting posture. Therefore, during the movement of the clamping member 73 along the first direction, the dial 74 and the rotating plate 64 can be pushed to rotate synchronously along the rotating shaft 63.

[0087] The implementation principle of an arc additive manufacturing device according to an embodiment of the present application is as follows: The welding wire is sent to the muzzle of the welding torch 23 for melting, and product additive manufacturing is carried out on the bearing seat 41. Then, if the angle of the product needs to be adjusted, the product is clamped by the clamping block 51. Then, the angle of the first linear driving member 43 is adjusted, or the position of the bearing seat 41 is driven by the cross slide 31, so that operations can be carried out from different angles.

[0088] During the operation, the axial flow fan 211 is started, and at the same time, the rotation driving assembly 7 drives the rotating plate 64 to continuously change between various postures, so as to cool the outer periphery of the welding torch 23 and quickly discharge the hot air flow, preventing the high temperature from remelting the welding wire for the second time.

[0089] An embodiment of the present application also discloses an arc additive manufacturing method. The arc additive manufacturing method includes the following steps:

[0090] S1: Install the welding wire on the feeding seat body 25;

[0091] S2: Start the welding torch 23 to melt the welding wire, so as to place the melted welding wire on the bearing seat 41;

[0092] During the melting process, if the angle of the bearing seat 41 needs to be adjusted, only the cross slide 31 and the first linear driving member 43 need to be adjusted after the product is clamped; in addition, during the operation, start the fan and the third linear driving member 72 to drive the rotating plate 64 to continuously change its posture, so as to quickly cool down and quickly transport the heat.

[0093] The above are all the preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An arc additive manufacturing device, characterized in that: include: Rack (1); A melt assembly (2), wherein the melt assembly (2) is arranged on the frame (1); as well as, A horizontal adjustment component (3) and an angle adjustment component (4); The level adjustment component (3) comprises: A cross slide (31) having a sliding portion (311), wherein the cross slide (31) is connected to the frame (1), and the sliding direction of the sliding portion (311) is perpendicular to the first direction; The angle adjustment component (4) comprises: A ball joint assembly (42); A bearing seat (41), the bearing seat (41) having a bearing surface (411), the bearing seat (41) being freely rotatably connected to the sliding portion (311) via the ball hinge assembly (42); and, A first linear driving member (43), one end of the first linear driving member (43) is fixedly connected to the sliding portion (311), and the other end is used for being overlapped by the bearing seat (41), and a plurality of the first linear driving members (43) are distributed around the ball hinge assembly (42) on a plane perpendicular to the first direction; It also includes a plurality of clamping assemblies (5), wherein the clamping assemblies (5) include: A clamping block (51), the clamping block (51) is slidably connected to the bearing seat (41) along the bearing surface (411), a plurality of clamping blocks (51) in the clamping assembly (5) are arranged to form a clamping area (53), and, a second linear driving member (52), the second linear driving member (52) being connected between the bearing seat (41) and the clamping block (51), so that the second linear driving member (52) drives the clamping block (51) to slide along the bearing seat (41); The melt assembly (2) comprises: A column (22), wherein the column (22) is fixedly connected to the frame (1); a welding gun (23), the welding gun (23) being connected to the column (22); and A feeding seat (25), the feeding seat (25) is connected to the column (22), and the feeding seat (25) is used to install the welding wire; The feeding seat (25) is rotatably connected to the column (22), and the feeding seat (25) is perpendicular to the first direction along the rotation axis of the column (22); It also includes a heat dissipation component (6) and a rotation drive component (7), wherein the heat dissipation component (6) includes: A mounting ring (61) having a central axis, wherein the mounting ring (61) is sleeved on the outer periphery of the column (22); A plurality of rotating shafts (63) are evenly distributed around the central axis of the mounting ring (61), the rotating shafts (63) are fixedly connected to the mounting ring (61), and the rotating shafts (63) are parallel to the tangent direction of the mounting ring (61); and, A rotating plate (64) having a connecting end (641), wherein a through hole is formed on the rotating plate (64) at the connecting end (641), and a rotating shaft (63) is passed through the through hole, and each rotating plate (64) is rotatably connected to the mounting ring (61) via the corresponding rotating shaft (63), so that the rotating plate (64) can be adjusted between a downward pressing posture, an expanded posture, and an upward tilting posture; When the rotating plate (64) is in a downward pressing posture, the rotating plate (64) is inclined toward the outside of the mounting ring (61) in the direction from the welding gun (23) to the bearing seat (41), and the side walls of two adjacent rotating plates (64) are in contact with each other; When the rotating plate (64) is in an upward posture, the rotating plate (64) is tilted toward the outside of the mounting ring (61) in the direction from the bearing seat (41) to the welding gun (23), and the side walls of two adjacent rotating plates (64) are in contact with each other; During the process of adjusting the rotating plate (64) between the downward pressing posture and the upward tilting posture, the rotating plate (64) is in an expanded posture, and a heat dissipation gap is formed between two adjacent rotating plates (64) in the circumferential direction of the mounting ring (61); The rotation driving assembly (7) is connected between the column (22) and the rotating plate (64) to drive the rotating plate (64) to rotate along the rotating shaft (63).

2. The arc additive manufacturing device according to claim 1, characterized in that: The rotating plate (64) is provided with a plurality of heat dissipation holes (642) penetrating along the thickness direction of the rotating plate (64).

3. The arc additive manufacturing device according to claim 2, characterized in that: The side of the rotating plate (64) away from the supporting plate is a top heat dissipation surface (643), and the rotating plate (64) is provided with a plurality of heat dissipation fins (644) protruding from the top heat dissipation surface (643).

4. The arc additive manufacturing device according to claim 3, characterized in that: A cold water pipe (645) connected to a cold water source is buried in the rotating plate (64) and / or the heat dissipation fins (644).

5. An arc additive manufacturing device according to any one of claims 1 to 4, characterized in that: An axial flow fan (211) is provided on the frame (1), and an air inlet of the axial flow fan (211) faces the welding gun (23).

6. An arc additive manufacturing method, using any arc additive manufacturing device according to any one of claims 1 to 5 for manufacturing, comprising the following steps: S1: Install the welding wire on the feeding seat (25); S2: Start the welding gun (23) to heat-melt the welding wire, so as to place the heat-melted welding wire on the supporting seat (41).

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