CN113102778B - Three-dimensional synchronous loading device for ultrasonic-assisted laser melting deposition forming of large-volume parts - Google Patents

Abstract

A three-dimensional synchronous loading device for ultrasonic-assisted laser melting, deposition and formation of large-volume parts relates to a three-dimensional synchronous loading device for ultrasonic-assisted laser melting, deposition and formation. The device comprises a slide rail substrate, a deposition substrate, a bottom plate, a support column, an ultrasonic vibrator, an inner side annular rail, an outer side annular rail, a wedge-shaped base, a fixed plate, a circumferential driving motor, a lifting driving motor, a radial driving belt pulley, a first toothed belt, a radial driving motor base, a guide groove, a driving belt pulley, a driven belt pulley, a second toothed belt, a moving wheel and a moving wheel fixing frame. The invention realizes the real-time loading of the auxiliary ultrasonic field in the process of forming the large-volume part by laser melting deposition, and solves the problems that the directional organization is easy to form in the part and the residual stress in the part is larger when the large-volume part is formed by laser melting deposition. The invention is suitable for laser melting deposition of parts.

Description

A three-dimensional synchronous loading device for ultrasonic-assisted laser melting deposition forming of large-volume parts

technical field

The invention relates to a three-dimensional synchronous loading device for ultrasonic-assisted laser melting deposition forming of large-volume parts.

Background technique

With the development of metal additive forming technology and forming equipment, parts manufactured by additive forming technology have been widely used in aerospace, automotive parts, medical equipment and other fields. Laser melting deposition technology is a high-tech metal additive Material forming technology has also been greatly developed. Laser melting deposition technology is a rapid solidification technology. A large number of oriented crystal structures will be formed in the parts formed by laser melting deposition technology. This phenomenon is particularly prominent when forming large-volume parts. Due to the large volume of the formed parts, the internal temperature distribution of the parts is not uniform during the forming process, and there is a great temperature gradient along the deposition direction, so that there are a large number of oriented crystals in the microstructure of the formed parts, resulting in the mechanical properties of the parts. At the same time, the non-uniform temperature field and the fast solidification speed cause a large amount of residual stress inside the part, which seriously reduces the performance of the formed part.

SUMMARY OF THE INVENTION

In order to solve the problems that the mechanical properties of the parts show obvious directionality due to the presence of a large number of oriented crystal structures in the large-volume parts prepared by the existing laser melting deposition, and the large-volume parts have a large amount of residual stress, a large-volume part is proposed. Ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device.

The three-dimensional synchronous loading device for ultrasonic-assisted laser melting deposition forming of large-volume parts of the present invention is composed of a slide rail substrate, a deposition substrate, a bottom plate, a support column, an ultrasonic vibrator, an inner annular track, an outer annular track, a wedge-shaped base, several fixed plates, and a circumferential drive. Motor, lift drive motor, radial drive motor, radial drive pulley, first toothed belt, radial drive motor base, guide groove, driving pulley, driven pulley, second toothed belt, moving pulley and moving pulley fixed structure;

The slide rail base plate is a circular plate, the center of the slide rail base plate is provided with a circular hole, and the deposition substrate is arranged in the circular hole in the center of the slide rail base plate; concentric inner annular tracks and outer annular tracks are arranged around the circular hole on the upper surface of the slide rail base plate track; two moving wheel fixing frames are respectively arranged on both sides of the lower surface of the bottom plate, and moving wheels are installed on the moving wheel fixing frame; the two moving wheels on the same side are arranged on the inner ring track, and the two moving wheels on the other side are The wheel is arranged on the outer ring track; the drive shaft of the moving wheel is connected with the power output shaft of the circumferential drive motor; the base plate is provided with four supporting columns distributed in four corners; the wedge-shaped base is arranged between the four supporting columns on the upper surface of the base plate , the tip of the wedge-shaped base faces the deposition substrate, the lower surface of the wedge-shaped base is a horizontal plane, the two sides of the wedge-shaped base are respectively provided with horizontal guide grooves, and the guide grooves are C-shaped grooves; The vertical pulley installation groove, the openings of the pulley installation grooves of the two support columns on the same side of the wedge-shaped base are arranged oppositely, the driving pulley is arranged at the lower part of the pulley installation groove, the driven pulley is arranged at the upper part of the pulley installation groove, and the second belt tooth The belt is sleeved on the driving pulley and the driven pulley, the lower part of the outer wall of the support column is provided with a lift drive motor, the power output shaft of the lift drive motor extends into the pulley installation groove, and the drive pulley is installed on the lift drive motor power output shaft The outer wall of the second toothed belt outside the pulley installation groove is horizontally provided with a flat-plate radial drive motor base, the radial drive motor base is provided with a radial drive motor, and the power output shaft of the radial drive motor is provided with a The radial drive pulley, the two radial drive pulleys on the same side of the wedge-shaped base are sleeved with a first toothed belt, and the two radial drive pulleys and the first toothed belt on the same side of the wedge-shaped base are set in the same guide groove Inside; several fixing plates are arranged side by side on the upper surface of the wedge-shaped base, each fixing plate is provided with installation through holes, the installation through holes on different fixing plates are arranged concentrically, and the ultrasonic vibrator is arranged on the installation through holes of several fixing plates Inside.

The principle and beneficial effects of the present invention are:

1. The circumferential drive motor of the present invention is used to drive the moving wheel to rotate, so as to realize the circular motion of the bottom plate along the inner annular track and the outer annular track, thereby realizing the circumferential motion of the ultrasonic vibrator; the lift drive motor can drive the second belt The toothed belt rotates around the driving pulley and the driven pulley, thereby realizing the lifting and lowering of the radial drive motor base, the radial drive motor, the wedge base and the ultrasonic oscillator; the radial drive motor can drive the radial drive pulley to rotate, and the two radial drive pulleys The first toothed belt and the first toothed belt are arranged in the same guide groove, so the first toothed belt can drive the wedge-shaped base and the ultrasonic vibrator to move radially. .

2. In the present invention, the ultrasonic field is introduced into the laser melting deposition forming process, and the ultrasonic wave is loaded into the working surface of the laser melting deposition, and the high-speed jet and melt disturbance produced by the high-frequency ultrasonic wave in the melt inside the deposition molten pool are used to break and solidify. Dendrite inhibits the directional growth of crystal structure, promotes the transformation of columnar crystals to equiaxed crystals in the formed parts, refines the solidification structure, and improves the mechanical properties of the formed parts.

3. The present invention accelerates the agitation of the melt in the molten pool by introducing the ultrasonic field into the working surface of the laser melting deposition, and accelerates the stirring of the melt in the molten pool with the help of the high-frequency ultrasonic wave in the melt inside the deposition molten pool, and reduces the deposition during the forming process. The temperature difference, composition difference and solidification rate difference of each area inside the molten pool reduce the residual stress inside the formed parts and improve the service life of the formed parts.

4. The present invention realizes the three-dimensional movement of the ultrasonic vibrator in the radial direction, the circumferential direction and the height by setting the circumferential drive motor, the lift drive motor and the radial drive motor, so as to facilitate the synchronous movement of the ultrasonic wave and the laser beam during the laser melting deposition forming, and realize the real-time ultrasonic wave. load. And the three-dimensional movement of the ultrasonic vibrator expands the coverage of the ultrasonic field, thereby enabling the laser melting deposition of larger-volume parts.

Description of drawings

1 is a schematic structural diagram of a three-dimensional synchronous loading device for ultrasonic-assisted laser melting deposition forming of large-volume parts in Example 1;

2 is a schematic structural diagram of a three-dimensional synchronous loading device for ultrasonic-assisted laser melting deposition molding of large-volume parts in Example 1 (excluding deposition substrates);

Fig. 3 is the A-direction view of Fig. 2;

Fig. 4 is the B-direction view of the support column 4 in Fig. 2;

FIG. 5 is a schematic structural diagram of the two driving pulleys 13 and the first toothed belt 14 on the same side of the ultrasonic vibrator 5 in Embodiment 1. As shown in FIG.

Detailed ways

The technical solutions of the present invention are not limited to the specific embodiments listed below, but also include any reasonable combination between the specific embodiments.

Embodiment 1: The three-dimensional synchronous loading device for ultrasonic-assisted laser melting deposition molding of large-volume parts in this embodiment is composed of a slide rail substrate 1, a deposition substrate 2, a bottom plate 3, a support column 4, an ultrasonic vibrator 5, an inner annular track 6, and an outer annular track. 7. Wedge-shaped base 8, several fixed plates 9, circumferential drive motor 10, lift drive motor 11, radial drive motor 12, radial drive pulley 13, first toothed belt 14, radial drive motor base 15, guide The groove 16, the driving pulley 17, the driven pulley 18, the second toothed belt 19, the moving pulley 20 and the moving pulley fixing frame 21 are constituted;

The slide rail substrate 1 is a circular plate, a circular hole is opened in the center of the slide rail substrate 1, and the deposition substrate 2 is arranged in the circular hole in the center of the slide rail substrate 1; The annular track 6 and the outer annular track 7; two moving wheel fixing frames 21 are respectively provided on both sides of the lower surface of the bottom plate 3, and moving wheels 20 are installed on the moving wheel fixing frames 21; wherein the two moving wheels 20 on the same side are arranged on On the inner ring track 6, the two moving wheels 20 on the other side are arranged on the outer ring track 7; the drive shaft of the moving wheel 20 is connected with the power output shaft of the circumferential drive motor 10; The distributed support columns 4; the wedge-shaped base 8 is arranged between the four support columns 4 on the upper surface of the bottom plate 3, the tip of the wedge-shaped base 8 faces the deposition substrate 2, the lower surface of the wedge-shaped base 8 is a horizontal plane, and the two sides of the wedge-shaped base 8 A horizontal guide groove 16 is respectively provided on the upper part, and the guide groove 16 is a C-shaped groove; the side wall of the support column 4 is provided with a long vertical pulley installation groove, and the pulley installation of the two support columns 4 on the same side of the wedge-shaped base 8 The openings of the grooves are arranged oppositely, the driving pulley 17 is arranged at the lower part of the pulley installation groove, the driven pulley 18 is arranged at the upper part of the pulley installation groove, the second toothed belt 19 is sleeved on the driving pulley 17 and the driven pulley 18, the support column The lower part of the outer wall of 4 is provided with a lift drive motor 11, the power output shaft of the lift drive motor 11 extends into the pulley installation groove, the driving pulley 17 is installed on the power output shaft of the lift drive motor 11; the second belt outside the pulley installation groove The outer wall of the toothed belt 19 is horizontally provided with a flat radial drive motor base 15, the radial drive motor base 15 is provided with a radial drive motor 12, and the power output shaft of the radial drive motor 12 is provided with a radial drive pulley 13. The two radial drive pulleys 13 on the same side of the wedge-shaped base 8 are sleeved with a first toothed belt 14, and the two radial drive pulleys 13 and the first toothed belt 14 on the same side of the wedge-shaped base 8 are set on the same side. In a guide groove 16; several fixing plates 9 are arranged side by side on the upper surface of the wedge-shaped base 8, each fixing plate 9 is provided with installation through holes, the installation through holes on different fixing plates 9 are arranged concentrically, and the ultrasonic vibrator 5 is arranged in the mounting through holes of several fixing plates 9 .

This embodiment has the following beneficial effects:

1. The circumferential drive motor 10 of the present embodiment is used to drive the moving wheel 20 to rotate, so as to realize the circular motion of the bottom plate 3 along the inner annular track 6 and the outer annular track 7, thereby realizing the circumferential motion of the ultrasonic vibrator 5; The drive motor 11 can drive the second toothed belt 19 to rotate around the driving pulley 17 and the driven pulley 18, thereby realizing the lifting of the radial drive motor base 15, the radial drive motor 12, the wedge base 8 and the ultrasonic oscillator 5; the radial drive The motor 12 can drive the radial drive pulley 13 to rotate. The two radial drive pulleys 13 and the first toothed belt 14 are both arranged in the same guide groove 16, so the first toothed belt 14 can drive the wedge base 8 and the ultrasonic vibrator. 5. The radial movement, through the above arrangement, the three-dimensional movement of the ultrasonic vibrator 5 in the radial direction, the circumferential direction and the height can be realized.

2. In this embodiment, the ultrasonic field is introduced into the laser melting deposition forming process, the ultrasonic wave is loaded on the working surface of the laser melting deposition, and the high-speed jet and melt disturbance generated in the melt inside the deposition molten pool by high-frequency ultrasonic waves are used to break The solidified dendrite inhibits the directional growth of the crystal structure, promotes the transformation from columnar crystals to equiaxed crystals in the formed parts, refines the solidified structure, and improves the mechanical properties of the formed parts.

3. In this embodiment, by introducing the ultrasonic field into the working surface of the laser melting deposition, the melt disturbance generated in the melt inside the deposition molten pool by high-frequency ultrasonic waves accelerates the agitation of the melt in the molten pool and reduces the amount of time in the forming process. The temperature difference, composition difference and solidification speed difference of each area inside the deposition molten pool reduce the residual stress inside the formed parts and improve the service life of the formed parts.

4. This embodiment realizes the three-dimensional movement of the ultrasonic vibrator in the radial direction, the circumferential direction and the height by setting the circumferential drive motor, the lift drive motor and the radial drive motor, which is convenient for the synchronous movement of the ultrasonic wave and the laser beam during the laser melting deposition forming, and realizes the ultrasonic wave. Live loading. And the three-dimensional movement of the ultrasonic vibrator expands the coverage of the ultrasonic field, thereby enabling the laser melting deposition of larger-volume parts.

Embodiment 2: The difference between this embodiment and Embodiment 1 is that the radial drive pulley 13 , the driving pulley 17 and the driven pulley 18 are toothed pulleys.

Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the casing of the circumferential drive motor 10 is fixed on the lower surface of the bottom plate 3 .

Embodiment 4: The difference between this embodiment and one of Embodiments 1 to 3 is that the outer wall of the first toothed belt 14 is provided with anti-skid protrusions.

Embodiment 5: The difference between this embodiment and one of Embodiments 1 to 4 is that the upper end surface of the inner annular track 6 is provided with anti-slip protrusions.

Embodiment 6: The difference between this embodiment and one of Embodiments 1 to 5 is that the upper end surfaces of the outer annular track 7 are provided with anti-slip protrusions.

Embodiment 7: The difference between this embodiment and one of Embodiments 1 to 6 is that the circumferential drive motor 10 is a stepping motor.

Embodiment 8: The difference between this embodiment and one of Embodiments 1 to 7 is that the lift driving motor 11 is a stepping motor.

Embodiment 9: The difference between this embodiment and one of Embodiments 1 to 8 is that the radial drive motor 12 is a stepping motor.

Embodiment 10: The difference between this embodiment and one of Embodiments 1 to 9 is that the number of the fixing plates 9 is three.

Embodiment 10: The difference between this embodiment and Embodiment 6 or 7 is that the anti-skid protrusions are conical.

Example 1:

1-5, the three-dimensional synchronous loading device for ultrasonic-assisted laser melting deposition forming of large-volume parts in this embodiment consists of a slide rail substrate 1, a deposition substrate 2, a bottom plate 3, a support column 4, an ultrasonic vibrator 5, an inner annular track 6, and an outer Annular track 7, wedge-shaped base 8, several fixed plates 9, circumferential drive motor 10, lift drive motor 11, radial drive motor 12, radial drive pulley 13, first toothed belt 14, radial drive motor base 15 , the guide groove 16, the driving pulley 17, the driven pulley 18, the second toothed belt 19, the moving wheel 20 and the moving wheel fixing frame 21 are constituted;

The slide rail substrate 1 is a circular plate, a circular hole is opened in the center of the slide rail substrate 1, and the deposition substrate 2 is arranged in the circular hole in the center of the slide rail substrate 1; The annular track 6 and the outer annular track 7; two moving wheel fixing frames 21 are respectively provided on both sides of the lower surface of the bottom plate 3, and moving wheels 20 are installed on the moving wheel fixing frames 21; wherein the two moving wheels 20 on the same side are arranged on On the inner ring track 6, the two moving wheels 20 on the other side are arranged on the outer ring track 7; the drive shaft of the moving wheel 20 is connected with the power output shaft of the circumferential drive motor 10; The distributed support columns 4; the wedge-shaped base 8 is arranged between the four support columns 4 on the upper surface of the bottom plate 3, the tip of the wedge-shaped base 8 faces the deposition substrate 2, the lower surface of the wedge-shaped base 8 is a horizontal plane, and the two sides of the wedge-shaped base 8 A horizontal guide groove 16 is respectively provided on the upper part, and the guide groove 16 is a C-shaped groove; the side wall of the support column 4 is provided with a long vertical pulley installation groove, and the pulley installation of the two support columns 4 on the same side of the wedge-shaped base 8 The openings of the grooves are arranged oppositely, the driving pulley 17 is arranged at the lower part of the pulley installation groove, the driven pulley 18 is arranged at the upper part of the pulley installation groove, the second toothed belt 19 is sleeved on the driving pulley 17 and the driven pulley 18, the support column The lower part of the outer wall of 4 is provided with a lift drive motor 11, the power output shaft of the lift drive motor 11 extends into the pulley installation groove, the driving pulley 17 is installed on the power output shaft of the lift drive motor 11; the second belt outside the pulley installation groove The outer wall of the toothed belt 19 is horizontally provided with a flat radial drive motor base 15, the radial drive motor base 15 is provided with a radial drive motor 12, and the power output shaft of the radial drive motor 12 is provided with a radial drive pulley 13. The two radial drive pulleys 13 on the same side of the wedge-shaped base 8 are sleeved with a first toothed belt 14, and the two radial drive pulleys 13 and the first toothed belt 14 on the same side of the wedge-shaped base 8 are set on the same side. In a guide groove 16; several fixing plates 9 are arranged side by side on the upper surface of the wedge-shaped base 8, each fixing plate 9 is provided with installation through holes, the installation through holes on different fixing plates 9 are arranged concentrically, and the ultrasonic vibrator 5 is arranged in the mounting through holes of several fixing plates 9;

The radial drive pulley 13, the driving pulley 17 and the driven pulley 18 are toothed pulleys; the casing of the circumferential drive motor 10 is fixed on the lower surface of the bottom plate 3; the outer wall of the first toothed belt 14 is provided with Anti-slip bumps; the upper end face of the inner annular track 6 is provided with anti-slip bumps; the upper end face of the outer annular track 7 is provided with anti-slip bumps; the circumferential drive motor 10 is a stepping motor; The lift driving motor 11 is a stepping motor; the radial driving motor 12 is a stepping motor; and the number of the fixing plates 9 is three.

1. The circumferential drive motor 10 of the present embodiment is used to drive the moving wheel 20 to rotate, so as to realize the circular motion of the bottom plate 3 along the inner annular track 6 and the outer annular track 7, thereby realizing the circumferential motion of the ultrasonic vibrator 5; The drive motor 11 can drive the second toothed belt 19 to rotate around the driving pulley 17 and the driven pulley 18, thereby realizing the lifting of the radial drive motor base 15, the radial drive motor 12, the wedge base 8 and the ultrasonic oscillator 5; the radial drive The motor 12 can drive the radial drive pulley 13 to rotate. The two radial drive pulleys 13 and the first toothed belt 14 are both arranged in the same guide groove 16, so the first toothed belt 14 can drive the wedge base 8 and the ultrasonic vibrator. 5. The radial movement, through the above arrangement, the three-dimensional movement of the ultrasonic vibrator 5 in the radial direction, the circumferential direction and the height can be realized.

2. In this embodiment, the ultrasonic field is introduced into the laser melting deposition forming process, and the ultrasonic wave is loaded into the working surface of the laser melting deposition. The solidified dendrite inhibits the directional growth of the crystal structure, promotes the transformation from columnar crystals to equiaxed crystals in the formed parts, refines the solidified structure, and improves the mechanical properties of the formed parts.

3. In this embodiment, by introducing the ultrasonic field into the working surface of the laser melting deposition, the melt disturbance generated in the melt inside the deposition molten pool by high-frequency ultrasonic waves accelerates the agitation of the melt in the molten pool and reduces the amount of time during the forming process. The temperature difference, composition difference and solidification speed difference of each area inside the deposition molten pool reduce the residual stress inside the formed parts and improve the service life of the formed parts.

4. In this embodiment, the three-dimensional movement of the ultrasonic vibrator in the radial direction, the circumferential direction and the height is realized by setting the circumferential driving motor, the lifting driving motor and the radial driving motor, so as to facilitate the synchronous movement of the ultrasonic wave and the laser beam during the laser melting deposition forming, and realize the ultrasonic wave. Live loading. And the three-dimensional movement of the ultrasonic vibrator expands the coverage of the ultrasonic field, thereby enabling the laser melting deposition of larger-volume parts.

Claims (11)

1. The utility model provides a three-dimensional synchronous loading device of bulky part supersound supplementary laser melting deposition formation which characterized in that: the ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for the large-volume parts comprises a slide rail substrate (1), a deposition substrate (2), a bottom plate (3), support columns (4), an ultrasonic vibrator (5), an inner annular rail (6), an outer annular rail (7), a wedge-shaped base (8), a plurality of fixing plates (9), a circumferential driving motor (10), a lifting driving motor (11), a radial driving motor (12), a radial driving belt pulley (13), a first toothed belt (14), a radial driving motor base (15), a guide groove (16), a driving belt pulley (17), a driven belt pulley (18), a second toothed belt (19), a moving wheel (20) and a moving wheel fixing frame (21);

the sliding rail base plate (1) is a circular plate, a circular hole is formed in the center of the sliding rail base plate (1), and the deposition base plate (2) is arranged in the circular hole in the center of the sliding rail base plate (1); an inner annular rail (6) and an outer annular rail (7) which are concentric are arranged around the circular hole on the upper surface of the sliding rail substrate (1); two movable wheel fixing frames (21) are respectively arranged on two sides of the lower surface of the bottom plate (3), and movable wheels (20) are arranged on the movable wheel fixing frames (21); wherein the two moving wheels (20) positioned at the same side are arranged on the inner annular track (6), and the two moving wheels (20) positioned at the other side are arranged on the outer annular track (7); the driving shaft of the moving wheel (20) is connected with the power output shaft of the circumferential driving motor (10); four supporting columns (4) distributed in four corners are arranged on the bottom plate (3); the wedge-shaped base (8) is arranged among the four support columns (4) on the upper surface of the bottom plate (3), the tip of the wedge-shaped base (8) faces the deposition substrate (2), the lower surface of the wedge-shaped base (8) is a horizontal plane, two side surfaces of the wedge-shaped base (8) are respectively provided with a horizontal guide groove (16), and the guide grooves (16) are C-shaped grooves; the side wall of each supporting column (4) is provided with a strip-shaped vertical belt pulley mounting groove, the openings of the belt pulley mounting grooves of the two supporting columns (4) on the same side of the wedge-shaped base (8) are oppositely arranged, a driving belt pulley (17) is arranged on the lower part of the belt pulley mounting groove, a driven belt pulley (18) is arranged on the upper part of the belt pulley mounting groove, a second toothed belt (19) is sleeved on the driving belt pulley (17) and the driven belt pulley (18), the lower part of the outer wall of each supporting column (4) is provided with a lifting driving motor (11), a power output shaft of the lifting driving motor (11) extends into the belt pulley mounting groove, and the driving belt pulley (17) is arranged on a power output shaft of the lifting driving motor (11); a flat-plate-shaped radial driving motor base (15) is horizontally arranged on the outer wall of a second toothed belt (19) outside the belt pulley mounting groove, a radial driving motor (12) is arranged on the radial driving motor base (15), a radial driving belt pulley (13) is arranged on a power output shaft of the radial driving motor (12), a first toothed belt (14) is sleeved on two radial driving belt pulleys (13) on the same side of the wedge-shaped base (8), and the two radial driving belt pulleys (13) and the first toothed belt (14) on the same side of the wedge-shaped base (8) are both arranged in the same guide groove (16); a plurality of fixing plates (9) are arranged on the upper surface of the wedge-shaped base (8) in parallel, each fixing plate (9) is provided with a mounting through hole, the mounting through holes in different fixing plates (9) are concentrically arranged, and the ultrasonic vibrators (5) are arranged in the mounting through holes in the plurality of fixing plates (9).

2. The ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for the large-volume parts according to claim 1, wherein: the radial driving belt pulley (13), the driving belt pulley (17) and the driven belt pulley (18) are toothed belt pulleys.

3. The ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for the large-volume parts according to claim 1, wherein: and a shell of the circumferential driving motor (10) is fixed on the lower surface of the bottom plate (3).

4. The ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for the large-volume parts according to claim 1, wherein: the outer wall of the first toothed belt (14) is provided with an anti-skid bulge.

5. The ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for the large-volume parts according to claim 1, wherein: the upper end surface of the inner side annular track (6) is provided with anti-skid bulges.

6. The ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for the large-volume parts according to claim 1, wherein: the upper end surface of the outer side annular track (7) is provided with anti-skid bulges.

7. The ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for the large-volume parts according to claim 1, wherein: the circumferential driving motor (10) is a stepping motor.

8. The ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for the large-volume parts according to claim 1, wherein: the lifting driving motor (11) is a stepping motor.

9. The ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for the large-volume parts according to claim 1, wherein: the radial driving motor (12) is a stepping motor.

10. The ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for the large-volume parts according to claim 1, wherein: the number of the fixing plates (9) is 3.

11. The ultrasonic-assisted laser melting deposition forming three-dimensional synchronous loading device for the large-volume parts according to claim 6 or 7, wherein: the anti-slip protrusions are conical.

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