Welding device and method for saxophone processing

Abstract

The invention provides a welding device and method for saxophone machining, and relates to the technical field of saxophone machining. The welding device comprises a driving mechanism, a laser welding mechanism, a supporting mechanism, a smoke discharging mechanism, a control mechanism and a protection mechanism; the laser welding mechanism is mounted on the driving mechanism; the supporting mechanism is installed on the top of the driving mechanism and used for installing a welding tool. The smoke discharging mechanism is installed on the rear side of the driving mechanism and used for sucking smoke generated during welding. The control mechanism is mounted on the driving mechanism; the protection mechanism is mounted on the front side of the driving mechanism; the distance between the laser welding head and the saxophone is automatically adjusted, it is guaranteed that the saxophone is located at the accurate focal length when different positions of the saxophone are welded, and the welding quality of the saxophone is improved; the saxophone laser welding device solves the problems that due to the fact that a laser welding head is usually fixedly installed, when different positions of a saxophone are welded, the focal length is prone to being inaccurate, and the welding quality of the saxophone is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of saxophone processing, and more specifically, particularly relates to a welding device and method for saxophone processing. Background Art

[0002] The saxophone is a woodwind instrument, but the body is usually made of brass, which gives it the characteristics of a brass instrument. The saxophone has a unique tone, combining the characteristics of both woodwind and brass instruments, making it widely used in the field of music. The upper end of the saxophone body is conical, the lower end is cylindrical, and the bell is curved upward. Laser welding equipment is required when processing the saxophone.

[0003] The welding devices currently used still have the following problems: 1. The laser welding head is usually fixedly installed, which leads to inaccurate focal length when welding different positions of the saxophone, thus reducing the welding quality of the saxophone; 2. Although some welding equipment is equipped with protective baffles, the utilization effect of the protective baffles is poor, and welding operations are easily carried out without protection, resulting in safety hazards for workers. Summary of the invention

[0004] The disclosed embodiments relate to a welding device and method for saxophone processing, which comprises a driving mechanism, a laser welding mechanism, a supporting mechanism, a smoke exhaust mechanism, a control mechanism and a protective mechanism; the automatic adjustment of the distance between the laser welding head and the saxophone is realized, so as to ensure that the saxophone is at an accurate focal length when welding at different positions, thereby improving the welding quality of the saxophone; the protective baffle is always located at a protective position during saxophone welding, thereby improving the utilization effect of the protective baffle; and the problems of inaccurate focal length and welding operation without protection are solved.

[0005] In a first aspect of the present disclosure, a welding device for Sachs processing is provided, comprising a driving mechanism, a laser welding mechanism, a supporting mechanism, a fume exhaust mechanism, a control mechanism and a protective mechanism; the laser welding mechanism is mounted on the driving mechanism; the supporting mechanism is mounted on the top of the driving mechanism, and the supporting mechanism is used to mount welding tools; the fume exhaust mechanism is mounted on the rear side of the driving mechanism, and the fume exhaust mechanism is used to absorb the fume generated during welding; the control mechanism is mounted on the driving mechanism; and the protective mechanism is mounted on the front side of the driving mechanism; The driving mechanism comprises: a rectangular mounting base plate, a U-shaped mounting frame, a driving slider and a focal length guiding inclined plate; the rectangular mounting base plate is provided with four mounting holes; the U-shaped mounting frame is fixedly mounted on the top of the rectangular mounting base plate; the driving slider is slidably mounted on the U-shaped mounting frame; there are two focal length guiding inclined plates, and the two focal length guiding inclined plates are fixedly mounted on the bottom of the U-shaped mounting frame; The laser welding mechanism includes: a circular movable rod, a semicircular mounting block, a laser welding head, a limiting top plate and a coil spring; there are two circular movable rods, and the two circular movable rods are slidably mounted on the driving slider; the semicircular mounting block is fixedly mounted on the bottom of the two circular movable rods, and the top of the semicircular mounting block is in contact with two focal length guide inclined plates; the laser welding head is fixedly mounted on the bottom of the semicircular mounting block; the limiting top plate is fixedly mounted on the top of the two circular movable rods; there are two coil springs, and the two coil springs are mounted on the outside of the two circular movable rods, and the two coil springs are located between the driving slider and the limiting top plate.

[0006] In at least some embodiments, the driving mechanism also includes: a servo motor A and a driving screw; the servo motor A is fixedly mounted on the right side of the U-shaped mounting frame; the driving screw is rotatably mounted on the U-shaped mounting frame, and the driving screw is also threadedly connected to the driving slider, and the right end of the driving screw is fixedly connected to the output shaft of the servo motor A.

[0007] In at least some embodiments, the support mechanism includes: a rectangular mounting plate and a circular connecting rod; there are two rectangular mounting plates in total, and the two rectangular mounting plates are fixedly mounted on the top of the rectangular mounting base plate; the circular connecting rod is rotatably mounted on the two rectangular mounting plates.

[0008] In at least some embodiments, the support mechanism also includes: a movable support seat and a servo motor B; the movable support seat is fixedly mounted on the outside of the circular connecting rod; the servo motor B is fixedly mounted on the rectangular mounting plate on the right, and the output shaft of the servo motor B is also fixedly connected to the circular connecting rod.

[0009] In at least some embodiments, the smoke exhaust mechanism includes: a mounting bracket, a circular smoke exhaust pipe and a fixed frame; the mounting brackets are provided with two in total, and the two mounting brackets are fixedly mounted on the rear side of the U-shaped mounting frame; the circular smoke exhaust pipe is fixedly mounted on the two mounting brackets, and a row of circular smoking holes is provided on the front side of the circular smoke exhaust pipe; the fixed frame is fixedly mounted inside the mounting bracket.

[0010] In at least some embodiments, the smoke exhaust mechanism further includes: a motor C and a smoking impeller; the motor C is fixedly mounted on a fixed frame; and the smoking impeller is fixedly mounted on an output shaft of the motor C.

[0011] In at least some embodiments, the control mechanism includes: a limit bevel block, a control button A and a control button B; there are two limit bevel blocks in total, and the two limit bevel blocks are fixedly installed on the front side of the U-shaped mounting frame; the control button A is fixedly installed in the limit bevel block on the right, and the control button A is electrically connected to the servo motor A, the laser welding head and the servo motor B; the control button B is fixedly installed in the limit bevel block on the left, and the control button B is electrically connected to the motor C.

[0012] In at least some embodiments, the control mechanism further includes: a rectangular limiting plate and a rectangular strong magnet; the rectangular limiting plate is fixedly mounted on the U-shaped mounting frame; and the rectangular strong magnet is fixedly mounted on the rectangular limiting plate.

[0013] In at least some embodiments, the protective mechanism includes: a circular rotating shaft, a protective baffle and a U-shaped handle; the circular rotating shaft is rotatably mounted on the U-shaped mounting frame; the protective baffle is fixedly mounted on the outside of the circular rotating shaft, and the protective baffle is also in contact with two limiting inclined blocks; the U-shaped handle is fixedly mounted on the bottom of the protective baffle.

[0014] In at least some embodiments, the welding method for saxophone processing: 1) Fix the saxophone to be welded on the welding fixture, then install the welding fixture on the movable support seat, and then flip down the protective baffle through the U-shaped handle; 2) Wait for the Sachs welding to be completed; 3) Flip the protective baffle upwards using the U-shaped handle, and then remove the welding tooling on the movable support seat.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, when the servo motor B is working, the movable support seat can drive the welding tool to rotate, which is convenient for welding different angles of the saxophone; when the servo motor A is working, the laser welding head moves, which is convenient for welding different positions of the saxophone; In addition, when the laser welding head moves to the left, the two focal length guide inclined plates can push the laser welding head downward; when the laser welding head moves to the right, the two spiral springs can drive the laser welding head upward, realizing the automatic adjustment of the distance between the laser welding head and the saxophone, ensuring that the saxophone is at the accurate focal length when welding different positions, thereby improving the welding quality of the saxophone.

[0016] 2. In the present invention, when the motor C is working, the smoke from the welding place enters into the circular smoke exhaust pipe through a circle of circular smoking holes, and then enters into the external exhaust gas treatment pipeline through the circular smoke exhaust pipe, thereby realizing the automatic absorption of smoke and ensuring the health of the workers.

[0017] 3. The present invention provides a protective baffle to prevent workers from directly observing the laser beam, maintain a safe distance from the welding point, and prevent direct observation of the laser beam and high-energy laser damage to the eyes and skin; the rectangular strong magnet is provided to fix the protective baffle after it is flipped upward, making it convenient for workers to install and remove welding tools; In addition, when the protective baffle is in a closed state, the protective baffle can automatically press control button A and control button B to make servo motor A, laser welding head, servo motor B and motor C work automatically; when the protective baffle is in an open state, the protective baffle can automatically separate from control button A and control button B to make servo motor A, laser welding head, servo motor B and motor C stop working automatically, thereby reducing power loss while ensuring welding effect; at the same time, it ensures that the protective baffle is always in the protective position during Sachs welding, thereby improving the utilization effect of the protective baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0019] The drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention.

[0020] In the attached picture: Figure 1 A three-dimensional structural schematic diagram of the present invention is shown.

[0021] Figure 2 The schematic diagram of the structure of the driving mechanism of the present invention is shown.

[0022] Figure 3 The present invention is shown Figure 1 Schematic diagram of the rear side perspective structure.

[0023] Figure 4 The present invention is shown Figure 3 Schematic diagram of the local enlarged structure of area A in the middle.

[0024] Figure 5 A structural schematic diagram of the support mechanism of the present invention is shown.

[0025] Figure 6 The schematic diagram of the structure of the smoke exhaust mechanism of the present invention is shown.

[0026] Figure 7 The present invention is shown Figure 1 Schematic diagram of the left perspective structure.

[0027] Figure 8 The schematic diagram of the structure of the U-shaped mounting frame and the control mechanism of the present invention is shown.

[0028] Fig. 9 The present invention is shown Figure 7 Schematic diagram of the local enlarged structure of area B in the middle.

[0029] List of reference numerals: 1. Driving mechanism; 101. Rectangular mounting base plate; 102. U-shaped mounting frame; 103. Driving slider; 104. Focus guide inclined plate; 105. Servo motor A; 106. Driving screw rod; 2. Laser welding mechanism; 201. Circular movable rod; 202. Semicircular mounting block; 203. Laser welding head; 204. Position limiting top plate; 205. Coil spring; 3. Support mechanism; 301. Rectangular mounting plate; 302. Circular connecting rod; 303. Movable support seat; 304. Servo motor B; 4. Smoke exhaust mechanism; 401. Mounting bracket; 402. Circular smoke exhaust pipe; 4021. Smoke inhalation hole; 403. Fixed frame; 404. Motor C; 405. Smoke inhalation impeller; 5. Control mechanism; 501. Limiting inclined block; 502. Control button A; 503. Control button B; 504. Rectangular limiting plate; 505. Rectangular strong magnet; 6. Protective mechanism; 601. Circular rotating shaft; 602. Protective baffle; 603. U-shaped handle. DETAILED DESCRIPTION

[0030] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0031] Example: Please refer to Figures 1 to 9 As shown: The present invention provides a welding device for saxophone processing, comprising: a driving mechanism 1, a laser welding mechanism 2, a supporting mechanism 3, a smoke exhaust mechanism 4, a control mechanism 5 and a protective mechanism 6; the laser welding mechanism 2 is installed on the driving mechanism 1; the supporting mechanism 3 is installed on the top of the driving mechanism 1, and the supporting mechanism 3 is used to install welding tools; the smoke exhaust mechanism 4 is installed on the rear side of the driving mechanism 1, and the smoke exhaust mechanism 4 is used to absorb smoke generated during welding; the control mechanism 5 is installed on the driving mechanism 1; the protective mechanism 6 is installed on the front side of the driving mechanism 1.

[0032] In the present disclosure, Figure 2 , Figure 4 and Figure 5As shown, the driving mechanism 1 includes: a rectangular mounting base plate 101, a U-shaped mounting frame 102, a driving slider 103 and a focal length guiding inclined plate 104; four mounting holes are opened on the rectangular mounting base plate 101; the U-shaped mounting frame 102 is fixedly mounted on the top of the rectangular mounting base plate 101; the driving slider 103 is slidably mounted on the U-shaped mounting frame 102; there are two focal length guiding inclined plates 104, and the two focal length guiding inclined plates 104 are fixedly mounted on the bottom of the U-shaped mounting frame 102; the driving mechanism 1 also includes: a servo motor A105 and a driving screw 106; the servo motor A105 is fixedly mounted on the right side of the U-shaped mounting frame 102; the driving screw 106 is rotatably mounted on the U-shaped mounting frame 102, and the driving screw 106 is also threadedly connected to the driving slider 103, and the right end of the driving screw 106 is fixedly connected to the output shaft of the servo motor A105; The laser welding mechanism 2 includes: a circular movable rod 201, a semicircular mounting block 202, a laser welding head 203, a limiting top plate 204 and a coil spring 205; there are two circular movable rods 201, and the two circular movable rods 201 are slidably mounted on the driving slider 103; the semicircular mounting block 202 is fixedly mounted on the bottom of the two circular movable rods 201, and the top of the semicircular mounting block 202 is in contact with the two focal length guide inclined plates 104; the laser welding head 203 is fixedly mounted on the bottom of the semicircular mounting block 202; the limiting top plate 204 is fixedly mounted on the top of the two circular movable rods 201; there are two coil springs 205, and the two coil springs 205 are mounted on the outside of the two circular movable rods 201, and the two coil springs 205 are located between the driving slider 103 and the limiting top plate 204; The support mechanism 3 includes: a rectangular mounting plate 301 and a circular connecting rod 302; there are two rectangular mounting plates 301 in total, and the two rectangular mounting plates 301 are fixedly mounted on the top of the rectangular mounting base plate 101; the circular connecting rod 302 is rotatably mounted on the two rectangular mounting plates 301; the support mechanism 3 also includes: a movable support seat 303 and a servo motor B304; the movable support seat 303 is fixedly mounted on the outside of the circular connecting rod 302; the servo motor B304 is fixedly mounted on the rectangular mounting plate 301 on the right side, and the output shaft of the servo motor B304 is also fixedly connected to the circular connecting rod 302; Its specific functions are as follows: since the servo motor B304 is fixedly mounted on the rectangular mounting plate 301 on the right side, and the output shaft of the servo motor B304 is also fixedly connected to the circular connecting rod 302, when the servo motor B304 is working, the movable support seat 303 can drive the welding tool to rotate, which is convenient for welding different angles of the saxophone; and since the driving screw rod 106 is rotatably mounted on the U-shaped mounting frame 102, and the driving screw rod 106 is also threadedly connected to the driving slider 103, and the right end of the driving screw rod 106 is fixedly connected to the output shaft of the servo motor A105, when the servo motor A105 is working, the laser welding head 203 moves, which is convenient for welding different positions of the saxophone; Because the two focal length guiding inclined plates 104 are fixedly mounted on the bottom of the U-shaped mounting frame 102, and the top of the semicircular mounting block 202 is in contact with the two focal length guiding inclined plates 104, when the laser welding head 203 moves to the left, the two focal length guiding inclined plates 104 can push the laser welding head 203 to move downward. In addition, because the two spiral springs 205 are mounted on the outside of the two circular movable rods 201, and the two spiral springs 205 are located between the driving slider 103 and the limiting top plate 204, when the laser welding head 203 moves to the right, the two spiral springs 205 can drive the laser welding head 203 to move upward, thereby realizing the automatic adjustment of the distance between the laser welding head 203 and the saxophone, ensuring that the saxophone is at an accurate focal length when welding different positions, thereby improving the welding quality of the saxophone. The bottom shape and inclination of the two focal length guiding inclined plates 104 can be appropriately adjusted according to the model of the saxophone to ensure that after the laser welding head 203 moves, the distance between the laser welding head 203 and the saxophone is always the same.

[0033] In the present disclosure, Figure 6 As shown, the smoke exhaust mechanism 4 includes: a mounting bracket 401, a circular smoke exhaust pipe 402 and a fixed frame 403; there are two mounting brackets 401, and the two mounting brackets 401 are fixedly mounted on the rear side of the U-shaped mounting frame 102; the circular smoke exhaust pipe 402 is fixedly mounted on the two mounting brackets 401, and a row of smoking circular holes 4021 are provided on the front side of the circular smoke exhaust pipe 402; the fixed frame 403 is fixedly mounted inside the mounting bracket 401; the smoke exhaust mechanism 4 also includes: a motor C404 and a smoking impeller 405; the motor C404 is fixedly mounted on the fixed frame 403; the smoking impeller 405 is fixedly mounted on the output shaft of the motor C404; Its specific function is as follows: since the circular smoke exhaust pipe 402 is fixedly mounted on two mounting brackets 401, and a row of smoking circular holes 4021 are provided on the front side of the circular smoke exhaust pipe 402, and the smoking impeller 405 is fixedly mounted on the output shaft of the motor C404, when the motor C404 is working, the smoke from the welding place enters the circular smoke exhaust pipe 402 through a circle of smoking circular holes 4021, and then enters the external exhaust gas treatment pipeline through the circular smoke exhaust pipe 402, thereby realizing the automatic absorption of smoke and ensuring the health of the staff.

[0034] In the present disclosure, Figure 7 , Figure 8 and Fig. 9 As shown, the control mechanism 5 includes: a limiting bevel block 501, a control button A502 and a control button B503; there are two limiting bevel blocks 501, and the two limiting bevel blocks 501 are fixedly installed on the front side of the U-shaped mounting frame 102; the control button A502 is fixedly installed in the limiting bevel block 501 on the right, and the control button A502 is electrically connected to the servo motor A105, the laser welding head 203 and the servo motor B304; the control button B503 is fixedly installed in the limiting bevel block 501 on the left, and the control button B503 is electrically connected to the motor C404; the control mechanism 5 also includes: a rectangular limit plate 504 and a rectangular strong magnet 505; the rectangular limit plate 504 is fixedly mounted on the U-shaped mounting frame 102; the rectangular strong magnet 505 is fixedly mounted on the rectangular limit plate 504; the protection mechanism 6 includes: a circular rotating shaft 601, a protective baffle 602 and a U-shaped handle 603; the circular rotating shaft 601 is rotatably mounted on the U-shaped mounting frame 102; the protective baffle 602 is fixedly mounted on the outside of the circular rotating shaft 601, and the protective baffle 602 is also in contact with the two limit inclined blocks 501; the U-shaped handle 603 is fixedly mounted on the bottom of the protective baffle 602; Its specific functions are as follows: since the protective baffle 602 is fixedly mounted on the outside of the circular rotating shaft 601, and the protective baffle 602 is also in contact with the two limiting inclined blocks 501, and the U-shaped handle 603 is fixedly mounted on the bottom of the protective baffle 602, it plays a protective role, preventing the staff from directly observing the laser beam, maintaining a safe distance from the welding point, and avoiding direct observation of the laser beam and high-energy laser damage to the eyes and skin; and since the rectangular limiting plate 504 is fixedly mounted on the U-shaped mounting frame 102, and the rectangular strong magnet 505 is fixedly mounted on the rectangular limiting plate 504, it plays a fixing role on the protective baffle 602 after being flipped upward, which is convenient for the staff to install and remove the welding tooling; Because the control button A502 is electrically connected to the servo motor A105, the laser welding head 203 and the servo motor B304, and the control button B503 is electrically connected to the motor C404, when the protective baffle 602 is in a closed state, the protective baffle 602 can automatically press the control button A502 and the control button B503, so that the servo motor A105, the laser welding head 203, the servo motor B304 and the motor C404 work automatically; when the protective baffle 602 is in an open state, the protective baffle 602 can automatically separate from the control button A502 and the control button B503, so that the servo motor A105, the laser welding head 203, the servo motor B304 and the motor C404 stop working automatically, thereby reducing the power loss while ensuring the welding effect; at the same time, it ensures that the protective baffle 602 is always in the protective position during Sachs welding, thereby improving the utilization effect of the protective baffle 602.

[0035] In the embodiment of the present disclosure, a welding method for saxophone processing is provided: 1) Fix the saxophone to be welded on the welding fixture, and then install the welding fixture on the movable support seat 303, and then flip the protective baffle 602 downward through the U-shaped handle 603; 2) Wait for the Sachs welding to be completed; 3) Flip the protective baffle 602 upwards through the U-shaped handle 603, and then remove the welding tooling on the movable support seat 303.

[0036] The specific usage and function of this embodiment are as follows: When the present invention is used, the saxophone to be welded is first fixedly mounted on the welding fixture, and then the welding fixture is mounted on the movable support seat 303, and then the protective baffle 602 is flipped downward by the U-shaped handle 603; when the servo motor B304 is working, the movable support seat 303 can drive the welding fixture to rotate, so as to facilitate welding of different angles of the saxophone; when the servo motor A105 is working, the laser welding head 203 moves, so as to facilitate welding of different positions of the saxophone; when the laser welding head 203 moves to the left, the two focal length guiding inclined plates 104 can push the laser welding head 203 to move downward, and when the laser welding head 203 moves to the right, the two spiral springs 205 can drive the laser welding head 203 to move upward, so as to realize the automatic adjustment of the distance between the laser welding head 203 and the saxophone, and ensure that the saxophone is at an accurate focal length when welding different positions, thereby improving the welding quality of the saxophone; when the motor C404 is working, the smoke and dust at the welding place enters the circular exhaust pipe 402 through a circle of smoking holes 4021, and then Then, the smoke enters the external exhaust gas treatment pipeline through the circular smoke exhaust pipe 402, realizing the automatic absorption of smoke and dust, ensuring the health of the staff; waiting for the Sachs welding to be completed; flipping the protective baffle 602 upwards through the U-shaped handle 603, and then removing the welding tooling on the movable support seat 303; when the protective baffle 602 is in a closed state, the protective baffle 602 can automatically press the control button A502 and the control button B503, so that the servo motor A105, the laser welding head 203, the servo motor B304 and the motor C404 automatically work; when the protective baffle 602 is in an open state, the protective baffle 602 can automatically separate from the control button A502 and the control button B503, so that the servo motor A105, the laser welding head 203, the servo motor B304 and the motor C404 automatically stop working, and the power loss is reduced while ensuring the welding effect; at the same time, it is ensured that the protective baffle 602 is always in the protective position during Sachs welding, thereby improving the utilization effect of the protective baffle 602.

[0037] In this article, there are a few points to note: 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0038] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0039] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A welding device for saxophone processing, comprising: A driving mechanism (1), a laser welding mechanism (2), a supporting mechanism (3), a smoke exhaust mechanism (4), a control mechanism (5) and a protective mechanism (6); characterized in that the laser welding mechanism (2) is mounted on the driving mechanism (1); the supporting mechanism (3) is mounted on the top of the driving mechanism (1), and the supporting mechanism (3) is used to install welding tools; the smoke exhaust mechanism (4) is mounted on the rear side of the driving mechanism (1), and the smoke exhaust mechanism (4) is used to absorb smoke generated during welding; the control mechanism (5) is mounted on the driving mechanism (1); and the protective mechanism (6) is mounted on the front side of the driving mechanism (1); The driving mechanism (1) comprises: a rectangular mounting base plate (101), a U-shaped mounting frame (102), a driving slider (103) and a focal length guiding inclined plate (104); four mounting holes are provided on the rectangular mounting base plate (101); the U-shaped mounting frame (102) is fixedly mounted on the top of the rectangular mounting base plate (101); the driving slider (103) is slidably mounted on the U-shaped mounting frame (102); a total of two focal length guiding inclined plates (104) are provided, and the two focal length guiding inclined plates (104) are fixedly mounted on the bottom of the U-shaped mounting frame (102); The laser welding mechanism (2) comprises: a circular movable rod (201), a semicircular mounting block (202), a laser welding head (203), a limiting top plate (204) and a coil spring (205); two circular movable rods (201) are provided, and the two circular movable rods (201) are slidably mounted on the driving slider (103); the semicircular mounting block (202) is fixedly mounted on the bottom of the two circular movable rods (201), and the top of the semicircular mounting block (202) is in contact with two focal length guide inclined plates (104); the laser welding head (203) is fixedly mounted on the bottom of the semicircular mounting block (202); the limiting top plate (204) is fixedly mounted on the top of the two circular movable rods (201); two coil springs (205) are provided, and the two coil springs (205) are mounted outside the two circular movable rods (201), and the two coil springs (205) are located between the driving slider (103) and the limiting top plate (204).

2. A saxophone processing welding device according to claim 1, characterized in that: The driving mechanism (1) further comprises: a servo motor A (105) and a driving screw (106); the servo motor A (105) is fixedly mounted on the right side of the U-shaped mounting frame (102); the driving screw (106) is rotatably mounted on the U-shaped mounting frame (102), and the driving screw (106) is also threadedly connected to the driving slider (103), and the right end of the driving screw (106) is fixedly connected to the output shaft of the servo motor A (105).

3. A saxophone processing welding device according to claim 2, characterized in that: The support mechanism (3) comprises: a rectangular mounting plate (301) and a circular connecting rod (302); two rectangular mounting plates (301) are provided, and the two rectangular mounting plates (301) are fixedly mounted on the top of the rectangular mounting base plate (101); and the circular connecting rod (302) is rotatably mounted on the two rectangular mounting plates (301).

4. A saxophone processing welding device according to claim 3, characterized in that: The support mechanism (3) further comprises: a movable support seat (303) and a servo motor B (304); the movable support seat (303) is fixedly mounted on the outside of the circular connecting rod (302); the servo motor B (304) is fixedly mounted on the rectangular mounting plate (301) on the right side, and the output shaft of the servo motor B (304) is also fixedly connected to the circular connecting rod (302).

5. A saxophone processing welding device according to claim 4, characterized in that: The smoke exhaust mechanism (4) comprises: a mounting bracket (401), a circular smoke exhaust pipe (402) and a fixed frame (403); two mounting brackets (401) are provided, and the two mounting brackets (401) are fixedly mounted on the rear side of the U-shaped mounting frame (102); the circular smoke exhaust pipe (402) is fixedly mounted on the two mounting brackets (401), and a row of circular smoking holes (4021) is provided on the front side of the circular smoke exhaust pipe (402); and the fixed frame (403) is fixedly mounted inside the mounting bracket (401).

6. A saxophone processing welding device according to claim 5, characterized in that: The smoke exhaust mechanism (4) further comprises: a motor C (404) and a smoking impeller (405); the motor C (404) is fixedly mounted on the fixed frame (403); and the smoking impeller (405) is fixedly mounted on the output shaft of the motor C (404).

7. A saxophone processing welding device according to claim 6, characterized in that: The control mechanism (5) comprises: a limiting inclined block (501), a control button A (502) and a control button B (503); two limiting inclined blocks (501) are provided, and the two limiting inclined blocks (501) are fixedly mounted on the front side of the U-shaped mounting frame (102); the control button A (502) is fixedly mounted in the limiting inclined block (501) on the right side, and the control button A (502) is electrically connected to a servo motor A (105), a laser welding head (203) and a servo motor B (304); the control button B (503) is fixedly mounted in the limiting inclined block (501) on the left side, and the control button B (503) is electrically connected to a motor C (404).

8. A saxophone processing welding device according to claim 7, characterized in that: The control mechanism (5) further comprises: a rectangular limit plate (504) and a rectangular strong magnet (505); the rectangular limit plate (504) is fixedly mounted on the U-shaped mounting frame (102); and the rectangular strong magnet (505) is fixedly mounted on the rectangular limit plate (504).

9. A saxophone processing welding device according to claim 7, characterized in that: The protection mechanism (6) comprises: a circular rotating shaft (601), a protection baffle (602) and a U-shaped handle (603); the circular rotating shaft (601) is rotatably mounted on the U-shaped mounting frame (102); the protection baffle (602) is fixedly mounted on the outside of the circular rotating shaft (601), and the protection baffle (602) is also in contact with two limiting inclined blocks (501); and the U-shaped handle (603) is fixedly mounted on the bottom of the protection baffle (602).

10. A saxophone processing welding method, using the saxophone processing welding device according to claim 9, characterized in that: The steps are as follows: 1) The saxophone to be welded is fixedly mounted on the welding fixture, and then the welding fixture is mounted on the movable support seat (303), and then the protective baffle (602) is flipped downward by the U-shaped handle (603); 2) Wait for the Sachs welding to be completed; 3) Flip the protective baffle (602) upwards through the U-shaped handle (603), and then remove the welding tooling on the movable support seat (303).

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