Electric arc additive manufacturing device and additive manufacturing method

Abstract

The invention relates to an electric arc additive manufacturing device and method, and relates to the field of electric arc additive manufacturing equipment.The electric arc additive manufacturing device comprises a rack, a material melting assembly, a horizontal adjusting assembly and an angle adjusting assembly, and the material melting assembly is arranged on the rack; the horizontal adjusting assembly comprises a cross-shaped sliding table with a sliding part, the cross-shaped sliding table is connected to the rack, and the sliding direction of the sliding part is perpendicular to the first direction; the angle adjusting assembly comprises a ball hinge assembly, a bearing seat and a first linear driving piece, the bearing seat is provided with a bearing surface, and the bearing seat is freely and rotatably connected to the sliding part through the ball hinge assembly; one end of each first linear driving piece is fixedly connected to the sliding part, the other end of each first linear driving piece is used for being in lap joint with the bearing base, and the multiple first linear driving pieces are distributed around the ball hinge assembly on the plane perpendicular to the first direction. The electric arc material increasing equipment has the effect of facilitating multi-angle product machining.

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 electric 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, and strong adaptability. This technology can not only meet the needs of small-batch and customized production, but also shows great application potential in aerospace, automotive manufacturing and other fields.

[0003] At present, the common production method is: use a fixed welding platform for single-point welding, and manually adjust the position of the workpiece to achieve multi-angle processing; however, this method has low operating efficiency and requires a lot of manpower.

[0004] Therefore, providing an arc additive device that is convenient for multi-angle processing of products is an urgent problem to be solved. 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, which adopts the following technical solution: An arc additive manufacturing device, comprising: frame; a melt assembly, the melt assembly being arranged on the frame; and A horizontal adjustment component and an angle adjustment component; The level adjustment assembly comprises: A cross slide having a sliding portion, wherein the cross slide is connected to the frame, and a sliding direction of the sliding portion is perpendicular to the first direction; The angle adjustment component comprises: Ball joint assembly; A bearing seat, the bearing seat having a bearing surface, the bearing seat being freely rotatably connected to the sliding portion through the ball hinge assembly; and A first linear drive member, one end of which is fixedly connected to the sliding portion, and the other end of which is used for overlapping with the bearing seat. A plurality of the first linear drives are distributed around the ball hinge assembly on a plane perpendicular to the first direction.

[0007] By adopting the above technical scheme, the arc additive manufacturing device can realize flexible processing at multiple angles and in multiple directions, significantly improving the working efficiency and product quality; specifically, through the cooperation of the horizontal adjustment component and the angle adjustment component, precise adjustment of any position and angle on the plane perpendicular to the first direction can be realized, thereby meeting the processing requirements of products of different shapes and sizes; the cross slide in the horizontal adjustment component allows the bearing seat to move freely in the horizontal direction, while the ball hinge component and the first linear drive component in the angle adjustment component ensure that the bearing seat can be precisely adjusted in multiple directions, making the processing process more flexible and efficient. When in use, it is only necessary to adjust the length of the first linear drive component to adjust the angle of the bearing seat overlapped on the first linear drive component, so that processing operations can be performed without passing the angle.

[0008] Optionally, a plurality of clamping assemblies are further included, and the clamping assemblies include: A clamping block, wherein the clamping block is slidably connected to the bearing seat along the bearing surface, and the clamping blocks in the plurality of clamping assemblies are arranged to form a clamping area, and A second linear driving member is connected between the bearing seat and the clamping block, so that the second linear driving member drives the clamping block to slide along the bearing seat.

[0009] By adopting the above technical solution, the clamping block is connected to the bearing seat by sliding along the bearing surface, and the clamping blocks in the multiple clamping assemblies are arranged to form a clamping area, which can adapt to products of different sizes and shapes; the second linear drive member is connected between the bearing seat and the clamping block, driving the clamping block to slide along the bearing seat, thereby accurately adjusting the size of the clamping area, ensuring the stability and reliability of the product during multi-angle processing; this not only improves work efficiency, but also ensures product quality.

[0010] Optionally, the melt assembly includes: A column, wherein the column is fixedly connected to the frame; a welding gun connected to the column; and A feeding seat body is connected to the column and is used for installing welding wire.

[0011] By adopting the above technical solution, the column is fixedly connected to the frame, the welding gun is connected to the column, and the feed seat is connected to the column and is used to install the welding wire, thereby achieving a stable supply and melting of the welding wire and improving the reliability and stability of the arc additive manufacturing process; especially in the multi-angle processing process, the fixed connection structure of the welding gun and the feed seat ensures the continuous supply of welding wire, avoids operation interruption caused by welding wire supply interruption, and improves operation efficiency.

[0012] Optionally, the feeding seat is rotatably connected to the column, and the feeding seat is perpendicular to the first direction along the rotation axis of the column.

[0013] By adopting the above technical solution, the operator can adjust the feeding angle of the welding wire according to actual needs to ensure that the welding wire can accurately enter the muzzle of the welding gun, thereby improving the welding quality and efficiency.

[0014] Optionally, it further includes a heat dissipation component and a rotation drive component, wherein the heat dissipation component includes: A mounting ring having a central axis, the mounting ring being sleeved on the outer periphery of the column; A plurality of rotating shafts are evenly distributed around the central axis of the mounting ring, the rotating shafts are fixedly connected to the mounting ring, and the rotating shafts are parallel to the tangent direction of the mounting ring; and, A rotating plate with a connecting end, wherein the rotating plate has a through hole at the connecting end, and a rotating shaft is inserted into the rotating shaft, and each rotating plate is correspondingly connected to the mounting ring through the rotating shaft, so that the rotating plate can be adjusted between a downward pressing posture, an expanded posture and an upward tilting posture; When the rotating plate is in a downward pressing posture, the rotating plate is inclined toward the outside of the mounting ring in the direction from the welding gun to the bearing seat, and the side walls of two adjacent rotating plates are in contact with each other; When the rotating plate is in an upward posture, the rotating plate is tilted from the bearing seat to the welding gun toward the outside of the mounting ring, and the side walls of two adjacent rotating plates are in contact with each other; During the adjustment of the rotating plate between the downward pressing posture and the upward tilting posture, the rotating plate is in an expanded posture, and a heat dissipation gap is formed between two adjacent rotating plates in the circumferential direction of the mounting ring; The rotation driving assembly is connected between the column and the rotating plate to drive the rotating plate to rotate along the rotating shaft.

[0015] 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.

[0016] Optionally, the rotating plate is provided with a plurality of heat dissipation holes along the thickness direction of the rotating plate.

[0017] 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.

[0018] 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.

[0019] 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.

[0020] Optionally, a cold water pipe connected to a cold water source is embedded in the rotating plate and / or the heat dissipating fins.

[0021] 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.

[0022] Optionally, an axial flow fan is provided on the frame, and an air inlet of the axial flow fan faces the welding gun.

[0023] 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.

[0024] In a second aspect, the present application provides an arc additive manufacturing method, which adopts the following technical solution: An arc additive manufacturing method, using the aforementioned arc additive manufacturing device for manufacturing, comprises the following steps: S1: Install the welding wire on the feeding seat; S2: Start the welding gun to heat-melt the welding wire, so as to place the heat-melted welding wire on the supporting seat.

[0025] By adopting the above technical solution, during the welding process, if the product angle needs to be adjusted, the cross slide and the first linear drive component only need to drive the bearing seat to adjust to different angles, so as to facilitate processing of the product from multiple angles.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: The arc additive manufacturing device can realize flexible processing at multiple angles and in multiple directions, significantly improving operation efficiency and product quality; The rotating plate can be adjusted between the downward posture, the expanded posture and the upward posture, which effectively increases the heat dissipation area and heat dissipation path, thereby significantly improving the heat dissipation efficiency of the environment around the welding gun; The cold water pipe 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 operation, further improving the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application; Figure 2 It is a structural schematic diagram of the melt assembly in the embodiment of the present application; Figure 3 is a schematic structural diagram of a ball hinge assembly in an embodiment of the present application; Figure 4 yes Figure 1 A magnified view of part A; Figure 5 is a schematic structural diagram of a rotation drive assembly in an embodiment of the present application; Figure 6 yes Figure 5 Magnified view of part B.

[0028] Description of reference numerals: 1, frame; 11, bottom support plate; 12, side support plate; 2, melt assembly; 21, horizontal plate; 211, axial flow fan; 22, column; 23, welding gun; 24, first connecting frame; 25, feed seat body; 251, feed through hole; 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 drive member; 44 , support ball; 5, clamping assembly; 51, clamping block; 52, second linear drive member; 53, clamping area; 6, heat dissipation assembly; 61, mounting ring; 62, second connecting frame; 63, rotating shaft; 64, rotating plate; 641, connecting end; 6410, rotating perforation; 642, heat dissipation hole; 643, top heat dissipation surface; 644, heat dissipation fin; 645, cold water pipe; 7, rotating drive assembly; 71, lifting ring; 72, third linear drive member; 73, clamping member; 731, upper clamping plate; 732, lower clamping plate; 733, clamping gap; 74, paddle. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-6 For the convenience of description, the present application introduces directional words such as a first direction and a second direction, and the directional words used such as "a first direction and a second direction" can be specifically shown in the figure, 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.

[0030] The present application embodiment discloses an arc additive manufacturing device. Figure 1 and Figure 2 , the arc additive manufacturing device includes a frame 1, a melt assembly 2, a horizontal adjustment assembly 3 and an angle adjustment assembly 4; The frame 1 is L-shaped and has a bottom support plate 11 arranged perpendicular to the first direction and a side support plate 12 arranged perpendicular to the second direction. The melt assembly 2 is arranged on the frame 1 , specifically, the melt assembly 2 is arranged on the side support plate 12 .

[0031] Reference Figure 1 and Figure 2 The molten material assembly 2 includes a horizontal plate 21, a column 22, a welding gun 23, a first connecting frame 24, a feeding seat body 25 and a locking screw 26; the horizontal plate 21 is fixedly connected to the side support plate 12, the column 22 is fixedly connected to one side of the horizontal plate 21 close to the bottom support plate 11, the column 22 is arranged parallel to the first direction, and the welding gun 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 the locking screw 26 passes through the feeding seat body 25 and is tightly abutted against the first connecting frame 24; a feeding through hole 251 is opened 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 passing the welding wire; During the operation, the welding wire is inserted into the feeding hole 251, and the end of the welding wire is placed at the muzzle of the welding gun 23, so that the welding gun 23 heats the welding wire to melt the welding wire. If the feeding angle of the welding wire needs to be adjusted, the locking screw 26 is loosened and the feeding seat 25 is rotated along the first connecting frame 24 to the required angle. In some embodiments of the present application, an axial flow fan 211 is fixedly connected to the horizontal plate 21, and the air inlet of the axial flow fan 211 is arranged toward the side of the welding gun 23 to transport the heat generated during the heating process of the welding gun 23 to the side away from the welding gun 23.

[0032] Reference 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 a driving component in the cross slide 31, the sliding portion 311 can slide along a plane perpendicular to the first direction.

[0033] Reference Figure 1 , Figure 2 and Figure 3 , the angle adjustment component 4 is mounted on the sliding block 32 to slide along with the sliding portion 311 on a plane perpendicular to the first direction, and the angle adjustment component 4 includes a bearing seat 41, a ball hinge component 42 and a first linear drive member 43; In the first direction, the bearing seat 41 is located on the side of the sliding block 32 close to the welding gun 23, and the wall surface of the bearing seat 41 close to the welding gun 23 is the bearing surface 411. The ball hinge assembly 42 is connected between the bearing seat 41 and the sliding block 32 to realize the free rotation of the bearing seat 41 along the sliding block 32; the ball hinge assembly 42 includes a ball seat 421 and a universal ball 422, and the universal ball 422 is adaptively embedded in the ball seat 421 and can rotate freely 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 rotate freely along the sliding block 32 through the ball hinge assembly 42; The driving direction of the first linear drive member 43 is parallel to the first direction. One end of the first linear drive member 43 is fixedly connected to the sliding block 32, and the other end contacts a side of the supporting seat 41 away from the welding gun 23, so that the supporting seat 41 can overlap the first linear drive member 43; on a plane perpendicular to the first direction, a plurality of first linear drive members 43 are distributed around the outer circumference of the ball hinge assembly 42, and the angle of the supporting seat 41 can be changed by adjusting the length of the first linear drive member 43; in the present disclosure, the first linear drive member 43 is a driving cylinder, specifically, the cylinder body of the first linear drive member 43 is fixedly connected to the sliding block 32, the piston rod of the first linear drive member 43 is fixedly connected to the supporting ball 44, and the supporting seat 41 overlaps the supporting ball 44.

[0034] Reference Figure 4 In some embodiments of the present application, a plurality of clamping assemblies 5 are further included. The clamping assemblies 5 include a clamping block 51 and a second linear drive member 52. In the present disclosure, the plurality of clamping assemblies 5 are distributed around the axis of the virtual circle. When the bearing surface 411 is perpendicular to the first direction, the central axis of the virtual circle is parallel to the first direction. 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, and the clamping blocks 51 of the multiple clamping assemblies 5 are arranged on the bearing surface 411 to form a clamping area 53 for accommodating the product; the second linear drive 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. In the process of moving along the bearing surface 411, the clamping block 51 can change the size of the enclosed clamping area 53; in the present disclosure, the second linear drive member 52 is a cylinder, the cylinder body of the second linear drive member 52 is fixedly connected to the bearing seat 41, and the piston rod of the second linear drive member 52 is fixedly connected to the clamping block 51 to drive the clamping block 51 to slide along the bearing surface 411.

[0035] Reference Figure 5 and Figure 6In some embodiments of the present application, a heat dissipation assembly 6 and a rotation drive assembly 7 are further included. The heat dissipation assembly 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; The mounting ring 61 is located at a side of the welding gun 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 at a side of the mounting ring 61 away from the welding gun 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; 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 at the mounting ring 61. The mounting ring 61 is provided with a plurality of rotating shafts 63, and the plurality of rotating shafts 63 are evenly distributed in the circumferential direction of the mounting ring 61. A corresponding rotating plate 64 is connected to each rotating shaft 63; the rotating plate 64 is provided with a rotating through hole 6410 at the connecting end 641, the rotating shaft 63 is passed 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; the rotating plate 64 can be adjusted between a downward pressing posture, an expanding posture, and an upward tilting posture during the rotation along the rotating shaft 63. 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 from 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 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 adjustment of 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 drive 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 to change the posture of the rotating plate 64; during the rotation of the rotating plate 64, the flow of airflow is accelerated to reduce the temperature of the periphery of the welding gun 23; In order to further reduce the temperature, a heat dissipation hole 642 is formed on the rotating plate 64 along the plate 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 a top heat dissipation surface 643, and a plurality of heat dissipation fins 644 are protruded from the top heat dissipation surface 643 of the rotating plate 64. Furthermore, a cold water pipe 645 is buried in the rotating plate 64 and / or the heat dissipating fins 644. The cold water pipe 645 has a water inlet and a water outlet. The water inlet of the cold water pipe 645 is connected to a cold water source. During operation, cold water is sent into the cold water pipe 645 from the water inlet, absorbs heat from the rotating plate 64 and / or the heat dissipating fins 644, and then is discharged from the water outlet to cool the rotating plate 64 and / or the heat dissipating fins 644. In the present disclosure, cold water pipes 645 are buried in both the rotating plate 64 and the heat dissipating fins 644.

[0036] Reference Figure 5 and Figure 6 , the rotation driving assembly 7 includes a lifting ring 71, a third linear driving member 72, a clamping member 73 and a paddle 74; The lifting ring 71 is coaxially arranged with the mounting ring 61, and 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, and 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, and 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. The third linear driving member 72 can drive the lifting ring 71 to slide along the column 22 during the extension and retraction process; Each rotating plate 64 is fixedly connected to a corresponding paddle 74 , and the paddle 74 is located at one end of the rotating plate 64 close to the lifting ring 71 ; There are multiple clamping members 73 distributed around the lifting ring 71 in the circumferential direction, and the clamping members 73 include an upper clamping plate 731 and a lower clamping plate 732. The upper clamping plate 731 and the lower clamping plate 732 are both fixedly connected to the outer periphery of the lifting ring 71, and the lower clamping plate 732 is located on the side of the upper clamping plate 731 close to the supporting seat 41, and the upper clamping plate 731 and the lower clamping plate 732 form a clamping gap 733 in the first direction; a corresponding paddle 74 on the rotating plate 64 is inserted into each clamping gap 733, and the thickness of the clamping gap 733 in the first direction is greater than the thickness of the paddle 74, and the thickness is adapted to the adjustment of the rotating plate 64 between the downward posture and the upward posture. Therefore, when the clamping member 73 moves along the first direction, it can push the paddle 74 and the rotating plate 64 to rotate synchronously along the rotating shaft 63.

[0037] The implementation principle of an arc additive manufacturing device in the embodiment of the present application is as follows: the welding wire is sent to the muzzle of the welding gun 23 for hot melting, and the product additive manufacturing is performed 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 the operation can be performed from different angles. During operation, the axial flow fan 211 is started, and the rotary drive assembly 7 drives the rotating plate 64 to continuously change between various postures, so as to cool the periphery of the welding gun 23 while quickly discharging the hot air flow to prevent the high temperature from melting the welding wire again.

[0038] The present application also discloses an arc additive manufacturing method. The arc additive manufacturing method comprises 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; During the hot melting process, if it is necessary to adjust the angle of the support seat 41, it is only necessary to clamp the product and then adjust the cross slide 31 and the first linear drive member 43; in addition, during the operation, start the fan and the third linear drive member 72 to drive the rotating plate 64 to continuously change its posture, so as to quickly cool down and quickly transport heat.

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in 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 drive member (43), one end of the first linear drive member (43) is fixedly connected to the sliding portion (311), and the other end is used for overlapping the supporting seat (41), and a plurality of the first linear drive members (43) are distributed around the ball hinge assembly (42) on a plane perpendicular to the first direction.

2. The arc additive manufacturing device according to claim 1, characterized in that: 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), wherein the second linear driving member (52) is 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).

3. The arc additive manufacturing device according to claim 2, characterized in that: 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 body (25), the feeding seat body (25) is connected to the column (22), and the feeding seat body (25) is used to install the welding wire.

4. The arc additive manufacturing device according to claim 3, characterized in that: The feeding seat body (25) is rotatably connected to the column (22), and the feeding seat body (25) is perpendicular to the first direction along the rotation axis of the column (22).

5. The arc additive manufacturing device according to claim 4, characterized in that: 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), a through hole being formed at the connecting end (641), a rotating shaft (63) being inserted into the rotating shaft (63), and each rotating plate (64) being rotatably connected to the mounting ring (61) through the 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).

6. The arc additive manufacturing device according to claim 5, 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).

7. The arc additive manufacturing device according to claim 6, 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).

8. The arc additive manufacturing device according to claim 7, 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).

9. An arc additive manufacturing device according to claims 1-8, 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).

10. An arc additive manufacturing method, using any arc additive manufacturing device according to any one of claims 1 to 9 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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