Welding machine with dust removal mechanism

Abstract

The present invention relates to the technical field of welding machines, and specifically to a welding machine with a dust removal mechanism, comprising an operating table, a welding mechanism and a clamping unit being arranged on the operating table, a movable seat being arranged above the operating table, the movable seat and the operating table being connected by a rotating drive mechanism, a dust suction hood being arranged below the movable seat, the dust suction hood and the movable seat being connected by a lifting member, an exhaust pipe being arranged on the dust suction hood, a filter plate being fixedly connected inside the dust suction hood, a scraper being arranged on one side of the filter plate, a first through hole being provided on the bottom inner wall of the dust suction hood, a cleaning box and a collecting box being provided at the bottom of the dust suction hood, the cleaning box being a cavity structure with an opening at the top, a second through hole being provided on the cleaning box, a dust inlet hole matching the second through hole being provided on the collecting box, the collecting box and the cleaning box being connected by a clamping mechanism, a sealing plate being provided in the second through hole, and a push plate being provided in the cleaning box, so that the dust scraped out by the scraper can be collected easily, thereby improving convenience.

Description

Technical Field

[0001] The present invention relates to the technical field of welding machines, in particular to a welding machine with a dust removal mechanism. Background Art

[0002] Laser welding utilizes a fine laser beam with high energy density to irradiate the workpiece to be welded. A large amount of smoke and dust is generated during the laser welding process. In the prior art, a Chinese patent application with publication number CN215698837U discloses a welding machine with a dust removal mechanism. A scraper is provided on the side of the filter plate close to the air inlet. The middle of the scraper is connected to a connecting rod that drives it to rotate. The connecting rod passes through the middle of the filter plate and is connected to a motor fixed on the sealing plate. The motor drives the scraper to rotate, scraping off the dust accumulated and adsorbed on the filter plate to prevent the filter plate from being blocked by dust accumulation. Among them, due to the rotation of the scraper, although the dust on the filter plate can be cleaned, it is not convenient to scrape the dust into the dust collecting pipe, and the dust is not easy to collect. Summary of the Invention

[0003] In view of this, an object of the present invention is to provide a welding machine with a dust removal mechanism to solve the problem that the dust is difficult to collect.

[0004] Based on the above-mentioned purpose, the present invention provides a welding machine with a dust removal mechanism, including an operating table, a welding mechanism and a clamping unit are provided on the operating table, a movable seat is provided above the operating table, the movable seat and the operating table are connected by a rotating drive mechanism, a dust suction hood is provided below the movable seat, the dust suction hood and the movable seat are connected by a lifting member, an exhaust pipe is provided on the dust suction hood, a filter plate is fixedly connected inside the dust suction hood, a scraper is provided on one side of the filter plate, a first through hole is provided on the bottom inner wall of the dust suction hood, a cleaning box and a collecting box are provided at the bottom of the dust suction hood, the cleaning box is a cavity structure with an opening at the top, a second through hole is provided on the cleaning box, a dust inlet hole matching the second through hole is provided on the collecting box, the collecting box and the cleaning box are connected by a clamping mechanism, a sealing plate is provided in the second through hole, a push plate is provided in the cleaning box, the push plate and the sealing plate are connected by a connecting column, and the dust suction hood is provided with a pushing mechanism matching the scraper and the push plate respectively.

[0005] Optionally, the pushing mechanism includes a first limiting column fixedly mounted on the inner wall of the dust hood, the first limiting column passes through the scraper, a first screw rod with a threaded connection passes through the scraper, the top of the first screw rod passes through the dust hood, the first screw rod and the dust hood are rotatably connected through a bearing, a second screw rod and a second limiting column are fixedly connected to one side of the push plate, the second screw rod and the second limiting column both pass through the cleaning box, the outer sleeve of the second screw rod is provided with a threaded sleeve with a threaded connection, the threaded sleeve and the cleaning box are rotatably connected through a bearing, and the dust hood is provided with a driving member that cooperates with the first screw rod and the threaded sleeve respectively.

[0006] The transmission gear of the present invention is a gear which is connected to the first gear of the driving member and the gear is connected to the transmission gear of the driving member, and the gear is connected to the transmission gear of the driving member.

[0007] Optionally, the transmission includes a sixth bevel gear fixedly mounted on the outside of the threaded sleeve, the second rotating shaft passes through the dust cover, the second rotating shaft and the dust cover are rotatably connected through a bearing, the bottom end of the second rotating shaft is fixedly connected to a fifth bevel gear, and the sixth bevel gear and the fifth bevel gear are meshed with each other.

[0008] Optionally, the clamping mechanism includes an insert block fixedly mounted on one side of the collection box, the outer sleeve of the insert block is provided with a limiting ring, the limiting ring is fixedly connected to the bottom of the cleaning box, a clamping slot is provided at the bottom of the insert block, a movable plate is provided at the bottom of the insert block, a clamping block is fixedly connected to the movable plate, the clamping block is located in the clamping slot, two fixed columns are passed through the movable plate, the bottom end of the fixed column is fixedly connected to the limiting disk, the outer sleeve of the fixed column is provided with a tension spring, and the two ends of the tension spring are respectively connected to the cleaning box and the movable plate.

[0009] Optionally, the lifting member includes a third screw rod fixedly mounted on the dust hood, the third screw rod passes through the movable seat, and two nuts are sleeved on the outside of the third screw rod, and the two nuts are in contact with the top and bottom of the movable seat respectively.

[0010] Optionally, the rotation drive mechanism includes a support ring mounted on the outside of the movable seat, the support ring and the operating table are connected through a support frame, a slide groove is provided on the support ring, a slider is fixedly connected to the movable seat, the cross-section of the slider is a T-shaped structure, a second servo motor is fixedly connected to the movable seat, a gear is fixedly connected to the output end of the second servo motor, a gear is fixedly connected to the support ring, and the gear and the gear ring are meshed.

[0011] Optionally, the clamping unit includes two supporting parts fixedly mounted on the top of the operating table, with a fourth screw rod threaded through the supporting part, and a clamping plate is provided at the ends of the two fourth screw rods that are close to each other. The fourth screw rod and the clamping plate are rotatably connected through bearings, and the bottom of the clamping plate is in contact with the top of the operating table.

[0012] The beneficial effects of the present invention are as follows: the exhaust pipe is connected to an external suction device, dust is filtered through the filter plate, the scraper is pushed down by the pushing mechanism, the scraper cleans the dust on the filter plate, the scraper moves into the first through hole, the dust falls into the cleaning box through the first through hole, and the dust is located between the push plate and the sealing plate, the push plate is pushed to move by the pushing mechanism so that the push plate pushes the dust to move, the sealing plate slides into the collection box, the second through hole and the dust inlet hole are opened, the dust enters the collection box through the second through hole and the dust inlet hole, and the dust is collected. After the dust is collected, the pushing mechanism drives the scraper and the push plate to return to their initial positions, the sealing plate moves into the second through hole, seals the second through hole, and prevents the dust in the collection box from running out, which facilitates the collection of the dust scraped out by the scraper, thereby improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 Schematic diagram of the overall structure of an embodiment of the present invention;

[0015] Figure 2 This is a schematic structural diagram of a lifting member according to an embodiment of the present invention;

[0016] Figure 3 This is a schematic diagram of the structure inside the dust hood according to an embodiment of the present invention;

[0017] Figure 4 This is a schematic structural diagram of a collection box according to an embodiment of the present invention;

[0018] Figure 5 This is a schematic diagram of the structure inside the operating box according to an embodiment of the present invention;

[0019] Figure 6 This is a schematic diagram of the structure inside the cleaning box according to an embodiment of the present invention;

[0020] Figure 7 This is a schematic structural diagram of a cross-section of an insert according to an embodiment of the present invention.

[0021] The following are marked in the figure:

[0022] 1. Operating table; 2. Welding mechanism; 3. Support ring; 4. Support frame; 5. Movable seat; 6. Dust hood; 7. Exhaust pipe; 8. Filter plate; 9. Scraper; 10. First through hole; 11. Cleaning box; 12. Collection box; 13. Second through hole; 14. Dust inlet hole; 15. Sealing plate; 16. Push plate; 17. Connecting column; 18. First servo motor; 19. First screw rod; 20. First limiting column; 21. First rotating shaft; 22. Second screw rod; 23. Second limiting column; 24. Threaded sleeve; 25. First bevel gear; 26. Second bevel gear Wheel; 27. Operation box; 28. Second servo motor; 29. Second rotating shaft; 30. Third bevel gear; 31. Fourth bevel gear; 32. Insert block; 33. Limiting ring; 34. Slot; 35. Movable plate; 36. Block; 37. Tension spring; 38. Limiting plate; 39. Third screw rod; 40. Nut; 41. Slider; 42. Slide; 43. Clamp; 44. Gear; 45. Ring gear; 46. Fourth screw rod; 47. Support part; 48. Electric telescopic rod; 49. Fifth bevel gear; 50. Sixth bevel gear; 51. Fixed column. DETAILED DESCRIPTION

[0023] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to specific embodiments.

[0024] It should be noted that, unless otherwise defined, the technical or scientific terms used in the present invention should have the usual meanings understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0025] One or more embodiments of this specification provide a welding machine with a dust removal mechanism, such as Figures 1 to 7The utility model comprises an operating table 1, which is provided with a welding mechanism 2 and a clamping unit on the operating table 1, a movable seat 5 is provided above the operating table 1, the movable seat 5 and the operating table 1 are connected by a rotating drive mechanism, a dust hood 6 is provided below the movable seat 5, the dust hood 6 and the movable seat 5 are connected by a lifting member, an exhaust pipe 7 is provided on the dust hood 6, a filter plate 8 is fixedly connected to the dust hood 6, a scraper 9 is provided on one side of the filter plate 8, a first through hole 10 is provided on the bottom inner wall of the dust hood 6, a cleaning box 11 and a collecting box 12 are provided at the bottom of the dust hood 6, the cleaning box 11 is a cavity structure with an opening at the top, a second through hole 13 is provided on the cleaning box 11, a dust inlet hole 14 which matches the second through hole 13 is provided on the collecting box 12, the collecting box 12 and the cleaning box 11 are connected by a clamping mechanism, a sealing plate 15 is provided in the second through hole 13, a push plate 16 is provided in the cleaning box 11, the push plate 16 and the sealing plate 15 are connected by a connecting column 17, and the dust hood 6 is provided with a plurality of The dust collecting box 12 is cleaned by the scraper 9 and the push plate 16, and the dust collecting box 12 is cleaned by the scraper 9 and the push plate 16.

[0026] In some optional specific embodiments, such as Figure 3 、 Figure 5 and Figure 6As shown, the pushing mechanism includes a first limiting column 20 fixedly mounted on the inner wall of the dust hood 6, the first limiting column 20 passes through the scraper 9, and the scraper 9 passes through a first screw rod 19 with a threaded connection. The top of the first screw rod 19 passes through the dust hood 6, and the first screw rod 19 and the dust hood 6 are rotatably connected through a bearing. One side of the push plate 16 is fixedly connected with a second screw rod 22 and a second limiting column 23, and the second screw rod 22 and the second limiting column 23 both pass through the cleaning box 11. The outer sleeve of the second screw rod 22 is provided with a threaded sleeve 24 with a threaded connection, and the threaded sleeve 24 and the cleaning box 11 are rotatably connected through a bearing. The dust hood 6 is provided with a driving member that cooperates with the first screw rod 19 and the threaded sleeve 24 respectively, and the driving member includes an operating box fixedly mounted on the top of the dust hood 6 27, an electric telescopic rod 48 is fixedly connected to the operating box 27, the output end of the electric telescopic rod 48 is fixedly connected to the first servo motor 18, the output end of the first servo motor 18 is fixedly connected to the first rotating shaft 21, one end of the first rotating shaft 21 is fixedly connected to the first bevel gear 25, a second bevel gear 26 is provided in the operating box 27, the second bevel gear 26 and the first bevel gear 25 cooperate, the bottom of the second bevel gear 26 is fixedly connected to the second rotating shaft 29, the second rotating shaft 29 and the threaded sleeve 24 are connected through a transmission, the outer sleeve of the first rotating shaft 21 is provided with a fixedly connected third bevel gear 30, the top end of the first screw rod 19 is fixedly connected to the fourth bevel gear 31 located in the operating box 27, the fourth bevel gear 31 Cooperating with the third bevel gear 30, the transmission includes a sixth bevel gear 50 fixedly sleeved on the outside of the threaded sleeve 24, the second rotating shaft 29 passes through the dust cover 6, the second rotating shaft 29 and the dust cover 6 are rotatably connected by a bearing, the bottom end of the second rotating shaft 29 is fixedly connected with a fifth bevel gear 49, the sixth bevel gear 50 and the fifth bevel gear 49 are meshed, the electric telescopic rod 48 drives the first servo motor 18 and the first rotating shaft 21 to move, the third bevel gear 30 and the fourth bevel gear 31 are meshed, the first servo motor 18 drives the first rotating shaft 21 to rotate, so that the third bevel gear 30 drives the fourth bevel gear 31 to rotate, the fourth bevel gear 31 drives the first screw rod 19 to rotate, and the scraper 9 is driven downward by the first screw rod 19 , the scraper 9 cleans the dust on the filter plate 8, the scraper 9 moves into the first through hole 10, the dust falls into the cleaning box 11 through the first through hole 10, and the dust is located between the push plate 16 and the sealing plate 15, the electric telescopic rod 48 drives the first servo motor 18 to move, so that the first rotating shaft 21 drives the first bevel gear 25 to move, the first bevel gear 25 and the second bevel gear 26 are engaged, the first servo motor 18 drives the first rotating shaft 21 to rotate, and drives the second bevel gear 26 to rotate through the first bevel gear 25, so that the second rotating shaft 29 drives the fifth bevel gear 49 to rotate, and drives the sixth bevel gear 50 and the threaded sleeve 24 to rotate through the fifth bevel gear 49, thereby causing the second screw rod 22 to drive the push plate 16 to move.

[0027] In some optional specific embodiments, such as Figure 4 、 Figure 6 and Figure 7 The bottom of the block 32 is provided with a slot 34, and the bottom of the block 32 is provided with a movable plate 35. The movable plate 35 is fixedly connected to the movable plate 35, and the block 36 is located in the slot 34. The movable plate 35 passes through two fixing posts 51, and the bottom end of the fixing post 51 is fixedly connected to the limiting disk 38. The outer sleeve of the fixing post 51 is provided with a tension spring 37. The two ends of the tension spring 37 are respectively connected to the cleaning box 11 and the movable plate 35. The movable plate 35 is manually driven to move downward to disengage the block 36 from the slot 34. The tension spring 37 is in a stretched state, thereby releasing the limit on the position of the block 32. The collection box 12 is manually driven to move away from the cleaning box 11 to disengage the block 32 from the limiting ring 33, and the collection box 12 can be removed, which is convenient for cleaning the dust collected in the collection box 12.

[0028] In some optional specific embodiments, such as Figure 1 and Figure 2 As shown, the lifting member includes a third screw rod 39 fixedly mounted on the dust cover 6, the third screw rod 39 passes through the movable seat 5, and the outer sleeve of the third screw rod 39 is provided with two nuts 40, and the two nuts 40 are in contact with the top and bottom of the movable seat 5 respectively. The clamping unit includes two support parts 47 fixedly mounted on the top of the operating table 1, and the support parts 47 pass through a fourth screw rod 46 connected by a thread. The ends of the two fourth screw rods 46 that are close to each other are respectively provided with a clamping plate 43. The fourth screw rod 46 and the clamping plate 43 are rotatably connected through a bearing. The bottom of the clamping plate 43 and the operating table 1 The tops are in contact, and the two nuts 40 are manually driven to rotate so that the nuts 40 no longer clamp the movable seat 5. The dust hood 6 and the third bevel gear 30 are manually driven to move in the vertical direction to adjust the height of the dust hood 6. After the adjustment is completed, the two nuts 40 are manually driven to rotate, and the two nuts 40 clamp the movable seat 5, so that the dust hood 6 can be fixed relative to the movable seat 5. The fourth screw rod 46 is manually driven to rotate, and the fourth screw rod 46 moves relative to the support part 47 to adjust the distance between the two clamps 43. The workpiece to be welded is clamped and fixed by the two clamps 43.

[0029] In some optional specific embodiments, such as Figure 1 and Figure 2As shown, the rotation drive mechanism includes a support ring 3 sleeved on the outside of the movable seat 5, the support ring 3 and the operating table 1 are connected by a support frame 4, a slide groove 42 is provided on the support ring 3, a slider 41 is fixedly connected to the movable seat 5, and the cross section of the slider 41 is a T-shaped structure. The second servo motor 28 is fixedly connected to the movable seat 5, and the output end of the second servo motor 28 is fixedly connected to the gear 44. The support ring 3 is fixedly connected to a ring gear 45, and the gear 44 and the ring gear 45 are engaged with each other. Through the cooperation of the slider 41 and the slide groove 42, the movable seat 5 is slidably connected relative to the support ring 3, and the gear 44 is driven to rotate by the second servo motor 28. The gear 44 rolls on the ring gear 45 to make the movable seat 5 rotate relative to the support ring 3. The position of the dust hood 6 can be adjusted, and the dust hood 6 can vacuum different positions.

[0030] Working principle: The fourth screw rod 46 is manually driven to rotate, and the fourth screw rod 46 moves relative to the support part 47 to adjust the distance between the two clamping plates 43. The workpiece to be welded is clamped and fixed by the two clamping plates 43. The exhaust pipe 7 is externally connected to the suction equipment, and the dust is filtered through the filter plate 8. The electric telescopic rod 48 drives the first servo motor 18 and the first rotating shaft 21 to move, and the third bevel gear 30 and the fourth bevel gear 31 are engaged. The first servo motor 18 drives the first rotating shaft 21 to rotate, so that the third bevel gear 30 drives the fourth bevel gear 31 to rotate, and the fourth bevel gear 31 drives the first screw rod 19 to rotate, and the scraper 9 is driven downward by the first screw rod 19. The scraper 9 cleans the dust on the filter plate 8, and the scraper 9 Move to the first through hole 10, the dust falls into the cleaning box 11 through the first through hole 10, and the dust is located between the push plate 16 and the sealing plate 15, the electric telescopic rod 48 drives the first servo motor 18 to move, so that the first shaft 21 drives the first bevel gear 25 to move, the first bevel gear 25 and the second bevel gear 26 are engaged, the first servo motor 18 drives the first shaft 21 to rotate, and drives the second bevel gear 26 to rotate through the first bevel gear 25, so that the second shaft 29 drives the fifth bevel gear 49 to rotate, and drives the sixth bevel gear 50 and the threaded sleeve 24 to rotate through the fifth bevel gear 49, thereby causing the second screw rod 22 to drive the push plate 16 to move, so that the push plate 16 pushes the dust to move, and the sealing plate 15 slides in. In the collection box 12, the second through hole 13 and the dust inlet hole 14 are opened, and the dust enters the collection box 12 through the second through hole 13 and the dust inlet hole 14 to complete the collection of the dust. After the dust is collected, the pushing mechanism drives the scraper 9 and the push plate 16 to return to their initial positions, and the sealing plate 15 moves into the second through hole 13 to seal the second through hole 13 to prevent the dust in the collection box 12 from running out, making it easier to collect the dust scraped by the scraper 9, thereby improving convenience. The movable plate 35 is manually driven to move downward to disengage the card block 36 from the card slot 34, and the tension spring 37 is in a stretched state, releasing the limit on the position of the insert block 32. The collection box 12 is manually driven to move away from the cleaning box 11 to disengage the insert block 32 from the limit ring 33, and the collection is completed. The removal of the box 12 facilitates the cleaning of the dust collected in the collection box 12. The two nuts 40 are manually driven to rotate so that the nuts 40 no longer clamp the movable seat 5. The dust hood 6 and the third bevel gear 30 are manually driven to move in the vertical direction to adjust the height of the dust hood 6. After the adjustment is completed, the two nuts 40 are manually driven to rotate. The two nuts 40 clamp the movable seat 5, so that the dust hood 6 can be fixed relative to the movable seat 5. Through the cooperation of the slider 41 and the slide groove 42, the movable seat 5 is slidably connected relative to the support ring 3. The gear 44 is driven to rotate by the second servo motor 28, and the gear 44 rolls on the gear ring 45 to make the movable seat 5 rotate relative to the support ring 3. The position of the dust hood 6 can be adjusted, and the dust hood 6 can vacuum different positions.

[0031] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Within the scope of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0032] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A welding machine with a dust removal mechanism, comprising an operating table (1), characterized in that: The operating table (1) is provided with a welding mechanism (2) and a clamping unit, a movable seat (5) is provided above the operating table (1), the movable seat (5) and the operating table (1) are connected via a rotary drive mechanism, a dust hood (6) is provided below the movable seat (5), the dust hood (6) and the movable seat (5) are connected via a lifting member, an exhaust pipe (7) is provided on the dust hood (6), a filter plate (8) is fixedly connected inside the dust hood (6), a scraper (9) is provided on one side of the filter plate (8), a first through hole (10) is provided on the inner wall of the bottom of the dust hood (6), and a cleaning box (11) is provided at the bottom of the dust hood (6). and a collecting box (12), the cleaning box (11) is a cavity structure with an opening at the top, a second through hole (13) is provided on the cleaning box (11), a dust inlet hole (14) matched with the second through hole (13) is provided on the collecting box (12), the collecting box (12) and the cleaning box (11) are connected by a clamping mechanism, a sealing plate (15) is provided in the second through hole (13), a push plate (16) is provided in the cleaning box (11), the push plate (16) and the sealing plate (15) are connected by a connecting column (17), and a pushing mechanism is provided on the dust cover (6) that matches the scraper (9) and the push plate (16) respectively; The pushing mechanism includes a first limiting column (20) fixedly mounted on the inner wall of the dust hood (6), the first limiting column (20) passes through the scraper (9), a first screw rod (19) connected by thread passes through the scraper (9), the top of the first screw rod (19) passes through the dust hood (6), the first screw rod (19) and the dust hood (6) are rotatably connected through a bearing, a second screw rod (22) and a second limiting column (23) are fixedly connected to one side of the push plate (16), the second screw rod (22) and the second limiting column (23) both pass through the cleaning box (11), the outer sleeve of the second screw rod (22) is provided with a threaded sleeve (24) connected by thread, the threaded sleeve (24) and the cleaning box (11) are rotatably connected through a bearing, and the dust hood (6) is provided with a driving member respectively matched with the first screw rod (19) and the threaded sleeve (24); The driving member includes an operating box (27) fixedly mounted on the top of the dust cover (6), an electric telescopic rod (48) fixedly connected in the operating box (27), an output end of the electric telescopic rod (48) fixedly connected to a first servo motor (18), an output end of the first servo motor (18) fixedly connected to a first rotating shaft (21), one end of the first rotating shaft (21) fixedly connected to a first bevel gear (25), a second bevel gear (26) provided in the operating box (27), the second bevel gear (26) and the first bevel gear (25) cooperate, a second rotating shaft (29) fixedly connected to the bottom of the second bevel gear (26), the second rotating shaft (29) and the threaded sleeve (24) are connected via a transmission, a third bevel gear (30) fixedly connected to the outer sleeve of the first rotating shaft (21), a top end of the first screw rod (19) fixedly connected to a fourth bevel gear (31) located in the operating box (27), the fourth bevel gear (31) and the third bevel gear (30) cooperate; The transmission comprises a sixth bevel gear (50) fixedly sleeved on the outside of the threaded sleeve (24); a second rotating shaft (29) passes through the dust cover (6); the second rotating shaft (29) and the dust cover (6) are rotatably connected via a bearing; a fifth bevel gear (49) is fixedly connected to the bottom end of the second rotating shaft (29); and the sixth bevel gear (50) and the fifth bevel gear (49) are meshed with each other.

2. The welding machine with a dust removal mechanism according to claim 1, characterized in that: The clamping mechanism includes an insert (32) fixedly mounted on one side of the collection box (12), an outer sleeve of the insert (32) is provided with a limiting ring (33), the limiting ring (33) is fixedly connected to the bottom of the cleaning box (11), a clamping slot (34) is provided at the bottom of the insert (32), a movable plate (35) is provided at the bottom of the insert (32), a clamping block (36) is fixedly connected to the movable plate (35), the clamping block (36) is located in the clamping slot (34), two fixed columns (51) are passed through the movable plate (35), the bottom end of the fixed column (51) is fixedly connected to the limiting disk (38), the outer sleeve of the fixed column (51) is provided with a tension spring (37), and the two ends of the tension spring (37) are respectively connected to the cleaning box (11) and the movable plate (35).

3. The welding machine with a dust removal mechanism according to claim 1, characterized in that: The lifting member comprises a third screw rod (39) fixedly mounted on the dust cover (6), the third screw rod (39) passing through the movable seat (5), and two nuts (40) are sleeved on the outside of the third screw rod (39), and the two nuts (40) are in contact with the top and bottom of the movable seat (5) respectively.

4. The welding machine with a dust removal mechanism according to claim 1, characterized in that: The rotary drive mechanism comprises a support ring (3) sleeved on the outside of the movable seat (5), the support ring (3) and the operating table (1) are connected via a support frame (4), a slide groove (42) is provided on the support ring (3), a slider (41) is fixedly connected to the movable seat (5), the cross section of the slider (41) is a T-shaped structure, a second servo motor (28) is fixedly connected to the movable seat (5), a gear (44) is fixedly connected to the output end of the second servo motor (28), a gear ring (45) is fixedly connected to the support ring (3), and the gear (44) and the gear ring (45) are meshed.

5. The welding machine with a dust removal mechanism according to claim 1, characterized in that: The clamping unit comprises two supporting parts (47) fixedly mounted on the top of the operating table (1), a fourth screw rod (46) connected by a thread passes through the supporting part (47), and a clamping plate (43) is provided at one end of the two fourth screw rods (46) close to each other. The fourth screw rod (46) and the clamping plate (43) are rotatably connected through a bearing, and the bottom of the clamping plate (43) is in contact with the top of the operating table (1).

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