Blade welding auxiliary mechanism of spiral shaft

Abstract

The utility model discloses an auxiliary blade welding mechanism for a spiral shaft, which belongs to the technical field of spiral blade welding and comprises a spiral shaft body, adjusting components arranged at two ends of the spiral shaft body, supporting components arranged at the bottoms of the adjusting components, moving components arranged on the supporting components, and dust collection components arranged on the moving components. According to the blade welding auxiliary mechanism of the spiral shaft, a motor runs, a shaft rod drives a first rolling wheel to rotate, so that one end of a spiral shaft body is stressed to rotate, then the other end of the spiral shaft body is stably supported through matched use of a right side steel frame, a second U-shaped steel plate and a second rolling wheel, and the rotation stability of the spiral shaft body is improved; the angle of the screw shaft body can be conveniently adjusted, so that a welding operator can weld blades on the screw shaft body without frequently transferring a welding position, the operation difficulty is greatly reduced, the working efficiency is effectively improved, and the risk that the welding operator is injured due to frequent movement of the screw shaft is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of spiral blade welding, and in particular relates to a blade welding auxiliary mechanism for a spiral shaft. Background Art

[0002] Spiral blade welding is the process of welding the blades on the spiral shaft to the shaft. Welding the spiral blades can ensure a firm connection between the blades and the shaft. By welding the blades, equipment damage caused by blade falling off or loosening can be reduced.

[0003] After checking the publication (announcement) number: CN206373543U, a welding tool for a spiral shaft is disclosed. This technology discloses "including a spiral shaft, the tool includes two external supports and multiple internal supports, the two external supports are placed at both ends of the spiral shaft, the upper arc structure of which is in contact with the spiral shaft, the bottom of which is connected to the bottom steel plate, and the bottom steel plate is in contact with the ground; the multiple internal supports are evenly distributed inside the external supports, the upper arc structure of which is in contact with the spiral shaft, and the bottom of which is placed on the bottom steel plate and can move, and the number of internal supports is determined by the length of the spiral shaft. The external support of the utility model supports the spiral shaft, leaving enough space for welding spiral blades, which is convenient for welding the spiral blades; the internal supports are evenly distributed, and the longer spiral shaft is divided into several sections with the external supports, which reduces the coaxiality change caused by uneven weight when welding the spiral blades when the spiral shaft is suspended. The utility model has a simple structure and is easy to process and install. ";

[0004] However, in the above-mentioned comparative documents, since the spiral shaft and the blades are made of stainless steel, the stainless steel can resist corrosion and prolong the service life of the spiral shaft and the blades, but the overall weight of the spiral shaft and the blades is also too large. In the process of welding the blades of the spiral shaft, it may be inconvenient to rotate and adjust the spiral shaft and the blades mounted on the bracket, so that the welding operator needs to frequently change the welding position to weld the blades of the spiral shaft, thereby increasing the risk of accidental injury that may be caused by frequent movement;

[0005] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0006] In view of the problems in the related technology, the utility model proposes a blade welding auxiliary mechanism for a spiral shaft to overcome the above technical problems existing in the existing related technology.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A blade welding auxiliary mechanism for a spiral shaft comprises a spiral shaft body, wherein both ends of the spiral shaft body are provided with adjustment components, a support component is provided at the bottom of the adjustment component, a moving component is provided on the support component, and a dust suction component is provided on the moving component;

[0009] The adjusting component includes a left-side steel frame located below one end of the spiral shaft body, a first U-shaped steel plate is fixedly connected to the top of the left-side steel frame, a first roller is rotatably connected to the inside of the first U-shaped steel plate, the first roller is fitted with the spiral shaft body, one end of the first roller is fixedly connected to a shaft rod, the shaft rod is rotatably connected to the first U-shaped steel plate, an end of the shaft rod away from the first U-shaped steel plate is fixedly connected to a motor, a right-side steel frame is provided below the other end of the spiral shaft body, a second U-shaped steel plate is fixedly connected to the top of the right-side steel frame, a second roller is rotatably connected to the inside of the second U-shaped steel plate, and the second roller is fitted with the spiral shaft body.

[0010] The outer side wall of the left steel frame is fixedly connected with an L-shaped support rod, and the top of the L-shaped support rod is fixedly connected with the bottom of the motor. By arranging the L-shaped support rod, the motor is stably supported.

[0011] The support assembly includes vertical steel. The bottoms of the right steel frame and the left steel frame are respectively fixedly connected to the top of the vertical steel. The outer side walls of the vertical steel are fixedly connected with I-shaped steel. By arranging the vertical steel and the I-shaped steel, the left steel frame and the right steel frame are stably supported, thereby increasing the stability of the rotation adjustment of the spiral shaft body.

[0012] The bottom of the vertical steel is fixedly connected with a sleeve, and the internal thread of the sleeve is connected with a shock-absorbing seat. By arranging the sleeve and the shock-absorbing seat, the spiral shaft body is adjusted to a balanced state before welding.

[0013] The moving assembly includes a horizontal plate fixedly connected between a left steel frame and a right steel frame, the horizontal plate is rotatably connected internally with a threaded rod, the outer wall of the threaded rod is threadedly connected with a sleeve block, the sleeve block is slidably connected to the horizontal plate, the outer wall of the sleeve block is fixedly connected with a moving frame, the top of the moving frame is fixedly connected with a vertical plate, and by arranging the horizontal plate, the threaded rod, the sleeve block, the moving frame and the vertical plate, the generated smoke can be accurately absorbed and processed according to different welding positions.

[0014] One end of the threaded rod is fixedly connected with a movable disk, and the movable disk is provided to facilitate the rotation of the threaded rod.

[0015] The dust suction assembly includes a mounting plate fixedly connected to the bottom of the horizontal plate, an axial flow fan fixedly connected to the interior of the mounting plate, a hose fixedly connected to the air inlet of the axial flow fan, a hard pipe fixedly connected to the end of the hose away from the axial flow fan, a dust hood fixedly connected to the end of the hard pipe away from the hose, the hard pipe fixedly passed through the interior of the movable frame and the vertical plate respectively, and the fume generated by welding is absorbed and transferred by setting the mounting plate, the axial flow fan, the hose, the hard pipe and the dust hood.

[0016] The air outlet of the axial flow fan is fixedly connected with an air outlet pipe, and one end of the air outlet pipe away from the axial flow fan is fixedly connected with a filter box. The interior of the filter box is fixedly connected with a transmission pipe, and the transmission pipe is fixedly connected with the air outlet pipe. A plurality of exhaust holes are opened on the transmission pipe, and the plurality of exhaust holes are evenly distributed in a spiral shape. By arranging the air outlet pipe, the transmission pipe and the exhaust holes, the transferred smoke is evenly discharged into the interior of the filter box.

[0017] A primary filter cover is fixedly connected to the interior of the filter box, a HEPA filter cover is fixedly connected to the interior of the filter box, an activated carbon filter cover is fixedly connected to the interior of the HEPA filter cover, the primary filter cover, the HEPA filter cover and the activated carbon filter cover are arranged in sequence from the inside to the outside, and a circular hole is opened on one side of the filter box. By arranging the primary filter cover, the HEPA filter cover, the activated carbon filter cover and the circular hole, the smoke inside the filter box is filtered, purified and discharged in sequence from the inside to the outside.

[0018] The interior of the dust hood is fixedly connected with a filter screen, and the filter screen is provided to prevent metal fragments and some dust in the smoke from flowing into the interior of the axial flow fan.

[0019] To sum up, the technical effects and advantages of the utility model are as follows: the blade welding auxiliary mechanism of the spiral shaft is operated by the motor, and the shaft drives the first roller to rotate, so that one end of the spiral shaft body is forced to rotate, and then the other end of the spiral shaft body is stably supported by the coordinated use of the right steel frame, the second U-shaped steel plate and the second roller, thereby increasing the stability of the rotation of the spiral shaft body, thereby facilitating the adjustment of the angle of the spiral shaft body, so that the welding operator can weld the blades on the spiral shaft body without frequently changing the welding position, which greatly reduces the difficulty of operation, effectively improves work efficiency, and avoids the risk of welding operators being injured due to frequent movement of the spiral shaft.

[0020] Through the operation of the axial flow fan, the fume generated by welding is absorbed by the dust hood, and the fume is transferred to the inside of the filter box through the coordinated use of the hard tube, the hose and the exhaust pipe. Then, through the coordinated use of the primary filter cover, the HEPA filter cover and the activated carbon filter cover, the fume inside the filter box is filtered and purified from the inside to the outside, and then discharged through the circular hole, thereby absorbing, transferring and purifying the fume generated by welding, avoiding the staff from inhaling a large amount of welding fume.

[0021] The movable disk facilitates the rotation of the threaded rod, and the movable frame drives the vertical plate to move horizontally and adjust the position of the dust hood through the action of the sleeve block, thereby adjusting the position of the dust hood, and then the position of the dust hood can be adjusted according to different welding positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the adjustment component and its related structures of the utility model;

[0024] Figure 3 This is a schematic diagram of the mobile assembly of the utility model and its related structures;

[0025] Figure 4 This is a schematic diagram of the filter box and its related structures of the utility model;

[0026] Figure 5 This is a schematic diagram of the utility model dust hood and its related structures.

[0027] In the figure: 1. spiral shaft body;

[0028] 2. Adjustment assembly; 21. Left steel frame; 22. First U-shaped steel plate; 23. First roller; 24. Shaft; 25. Motor; 26. L-shaped support rod; 27. Right steel frame; 28. Second U-shaped steel plate; 29. ​​Second roller;

[0029] 3. Support assembly; 31. Vertical steel; 32. I-shaped steel; 33. Sleeve; 34. Shock absorber;

[0030] 4. Moving assembly; 41. Horizontal plate; 42. Threaded rod; 43. Bushing block; 44. Moving frame; 45. Vertical plate; 46. Movable plate;

[0031] 5. Dust collection assembly; 51. Mounting plate; 52. Axial flow fan; 53. Hose; 54. Hard pipe; 55. Dust hood; 56. Exhaust pipe; 57. Filter box; 58. Transmission pipe; 59. Exhaust hole; 510. Primary filter hood; 511. HEPA filter hood; 512. Activated carbon filter hood; 513. Round hole; 514. Filter net. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0033] Reference Figure 1-2A blade welding auxiliary mechanism for a spiral shaft comprises a spiral shaft body 1, both ends of the spiral shaft body 1 are provided with adjustment components 2 for facilitating the angle adjustment of the spiral shaft body 1, a support component 3 for supporting the adjustment component 2 is provided at the bottom of the adjustment component 2, a moving component 4 for adjusting the dust suction position is provided on the support component 3, and a dust suction component 5 for absorbing and transferring the fume generated during welding is provided on the moving component 4;

[0034] The adjustment component 2 includes a left steel frame 21 located below one end of the spiral shaft body 1, and a first U-shaped steel plate 22 is fixedly connected to the top of the left steel frame 21. Two first U-shaped steel plates 22 are provided, and the two first U-shaped steel plates 22 are symmetrically distributed around the central axis of the left steel frame 21. The first roller 23 is rotatably connected to the inside of the first U-shaped steel plate 22, and the first roller 23 is fitted with the spiral shaft body 1. One end of the first roller 23 is fixedly connected to a shaft rod 24, and the shaft rod 24 is connected to the first U-shaped steel plate 2 2 is rotatably connected, one end of the shaft 24 away from the first U-shaped steel plate 22 is fixedly connected to the motor 25, the number of the first U-shaped steel plate 22, the first roller 23, the shaft 24 and the motor 25 corresponds to each other, and one first U-shaped steel plate 22, one first roller 23, one shaft 24 and one motor 25 are combined into one group, and a right steel frame 27 is arranged below the other end of the spiral shaft body 1, and the left steel frame 21 and the right steel frame 27 are symmetrically distributed with the central axis of the spiral shaft body 1 as the center. A second U-shaped steel plate 28 is fixedly connected to the top of the right steel frame 27. Two second U-shaped steel plates 28 are provided. The two second U-shaped steel plates 28 are symmetrically distributed with the central axis of the right steel frame 27 as the center. The second U-shaped steel plate 28 is internally rotatably connected to the second roller 29. The second roller 29 is in contact with the spiral shaft body 1. The number of the second U-shaped steel plates 28 and the second rollers 29 is equal. After both motors 25 are running, the shaft 24 drives the first roller 23 to rotate, and the two first rollers 23 rotate in the same direction. One end of the spiral shaft body 1 is rotated under force, and the second U-shaped steel plate 28 and the second roller 29 stably support the other end of the spiral shaft body 1, thereby increasing the stability of the rotation adjustment of the spiral shaft body 1, thereby facilitating the rotation adjustment of the spiral shaft body 1, so that the welding operator can weld the blades on the spiral shaft body without frequently shifting the welding position, which greatly reduces the operation difficulty, effectively improves the work efficiency, and avoids the risk of welding operators being injured due to frequent movement of the spiral shaft.

[0035] Reference Figure 2 An L-shaped support rod 26 is fixedly connected to the outer wall of the left steel frame 21 . The longitudinal section of the L-shaped support rod 26 is L-shaped. The top of the L-shaped support rod 26 is fixedly connected to the bottom of the motor 25 . The L-shaped support rod 26 provides stable support for the motor 25 .

[0036] Reference Figure 2The support assembly 3 includes vertical steels 31, and four vertical steels 31 are provided. Two symmetrical vertical steels 31 are respectively provided below the left steel frame 21 and the right steel frame 27. The bottoms of the right steel frame 27 and the left steel frame 21 are respectively fixedly connected to the tops of the vertical steels 31. The outer wall of the vertical steel 31 is fixedly connected with an I-shaped steel 32. The cross-section of the I-shaped steel 32 is an I-shape. The vertical steels 31 and the I-shaped steels 32 provide stable support for the left steel frame 21 and the right steel frame 27, thereby increasing the stability of the blade welding on the spiral shaft body 1.

[0037] Reference Figure 2 The bottom of the vertical steel 31 is fixedly connected with a sleeve 33, and the internal thread of the sleeve 33 is connected with a shock-absorbing seat 34. The number of sleeves 33, shock-absorbing seats 34 and vertical steels 31 corresponds one to one. The sleeve 33 and the shock-absorbing seat 34 can adjust the spiral shaft body 1 to a balanced state. At the same time, a rubber pad is provided at the bottom of the vertical steel 31 to prevent the bottom of the adjustment component 2 from shaking when the blades on the spiral shaft body 1 are welded.

[0038] Reference Figure 2 , Figure 3 and Figure 5 The moving assembly 4 includes a horizontal plate 41 fixedly connected between the left steel frame 21 and the right steel frame 27. The horizontal plate 41 is rotatably connected with a threaded rod 42 inside. The outer wall of the threaded rod 42 is threadedly connected with a sleeve block 43. The outer wall of the threaded rod 42 is adapted to the inner wall of the sleeve block 43. The sleeve block 43 is slidably connected to the horizontal plate 41. The outer wall of the sleeve block 43 is fixedly connected with a moving frame 44. The longitudinal section of the moving frame 44 is L-shaped. The top of the moving frame 44 is fixedly connected with a vertical plate 45. After the threaded rod 42 rotates, the sleeve block 43 drives the moving frame 44 to move, and the vertical plate 45 moves accordingly, thereby adjusting the position of the dust collection assembly 5 horizontally.

[0039] Reference Figure 3 One end of the threaded rod 42 is fixedly connected to a movable disk 46, which is located at one end of the threaded rod 42. When the movable disk 46 applies a force, the threaded rod 42 rotates accordingly.

[0040] Reference Figure 2-4 The dust collection assembly 5 includes a mounting plate 51 fixedly connected to the bottom of the horizontal plate 41, an axial flow fan 52 is fixedly connected inside the mounting plate 51, a hose 53 is fixedly connected to the air inlet of the axial flow fan 52, the length of the hose 53 is set according to actual conditions, and the specific laying method is the existing technology, one end of the hose 53 away from the axial flow fan 52 is fixedly connected to a hard pipe 54, and one end of the hard pipe 54 away from the hose 53 is fixedly connected to a dust hood 55, the hard pipe 54 is fixedly connected to the inside of the movable frame 44 and the vertical plate 45 respectively, after the axial flow fan 52 is running, the smoke generated by welding is absorbed by the dust hood 55, and is absorbed and transferred through the hard pipe 54 and the hose 53.

[0041] Reference Figure 3-4 The air outlet of the axial flow fan 52 is fixedly connected with an air outlet pipe 56, and one end of the air outlet pipe 56 away from the axial flow fan 52 is fixedly connected with a filter box 57, the air outlet pipe 56 is located between the filter box 57 and the axial flow fan 52, the top of the filter box 57 is fixedly connected to the bottom of the horizontal plate 41, and the interior of the filter box 57 is fixedly connected with a transmission pipe 58, and the transmission pipe 58 is fixedly connected with the air outlet pipe 56, and a plurality of exhaust holes 59 are opened on the transmission pipe 58, and the plurality of exhaust holes 59 are evenly distributed in a spiral shape. After the air outlet pipe 56 transmits the gas to the interior of the transmission pipe 58, the gas is evenly ejected through the exhaust holes 59, so that the smoke quickly and evenly fills the interior of the filter box 57.

[0042] Reference Figure 4 A primary filter cover 510 is fixedly connected to the inside of the filter box 57, and the primary filter cover 510 separates smaller particulate matter. A HEPA filter cover 511 is fixedly connected to the inside of the filter box 57, and the HEPA filter cover 511 separates tiny particles such as bacteria. An activated carbon filter cover 512 is fixedly connected to the inside of the HEPA filter cover 511, and the activated carbon filter cover 512 absorbs gases and chemicals in the flue gas. The primary filter cover 510, the HEPA filter cover 511 and the activated carbon filter cover 512 are arranged in sequence from the inside to the outside. A circular hole 513 is opened on one side of the filter box 57. The primary filter cover 510, the HEPA filter cover 511 and the activated carbon filter cover 512 filter and purify the flue gas in sequence from the inside to the outside.

[0043] Reference Figure 2-3 A filter screen 514 is fixedly connected to the interior of the dust hood 55 , and the filter screen 514 prevents coarse particle impurities in the smoke, such as metal fragments and dust, from flowing and transferring to the interior of the axial flow fan 52 .

[0044] Working principle: First, move the spiral shaft body 1 onto the adjustment assembly 2. The two ends of the spiral shaft body 1 are respectively mounted on the first roller 23 and the second roller 29. The vertical steel 31 and the I-shaped steel 32 provide stable support for the left steel frame 21 and the right steel frame 27, thereby increasing the stability of the workers in welding the spiral shaft body 1. The shock-absorbing seat 34 rotates and moves downward, and the height of the vertical steel 31 can be finely adjusted, so that the left steel frame 21 and the right steel frame 27 are both in a balanced state, so that the spiral shaft body 1 can be welded in a balanced state.

[0045] When the angle of the spiral shaft body 1 needs to be adjusted, the two motors 25 are operated simultaneously, the shaft 24 drives the first roller 23 to rotate, the two first rollers 23 on the left steel frame 21 rotate in the same direction, the L-shaped support rod 26 stably supports the motor 25, one end of the spiral shaft body 1 is rotated and adjusted after being subjected to force, and the other end of the spiral shaft body 1 is supported and rotated by the second roller 29, so that it is convenient to adjust the angle of the spiral shaft body 1, so that the welding operator does not need to frequently change the welding position to weld the blades on the spiral shaft body 1;

[0046] When welding the blades on the spiral shaft body 1, the axial flow fan 52 is running, the dust hood 55 absorbs the smoke generated by welding, the hard tube 54, the hose 53 and the exhaust pipe 56 transfer the smoke to the inside of the filter box 57, and the smoke is evenly discharged to the inside of the spiral shaft body 1 through the exhaust hole 59 on the transmission pipe 58. The primary filter cover 510 and the activated carbon filter cover 512 filter the smoke from the inside to the outside in turn, separate the smaller particulate matter and bacteria in the smoke, and then absorb the chemical substances in the smoke through the activated carbon filter cover 512. The purified gas in the filter box 57 is discharged through the circular hole 513. The filter screen 514 prevents metal fragments and some dust in the smoke from flowing to the inside of the axial flow fan 52, so as to facilitate the absorption, transfer and purification.

[0047] When the position of the dust hood 55 needs to be adjusted, the movable disk 46 drives the threaded rod 42 to rotate, and the sleeve block 43 drives the vertical plate 45 to move, thereby adjusting the position of the hard tube 54, so that the dust hood 55 can be stably adjusted in the horizontal direction, so that the position of the dust hood 55 can be adjusted according to different welding positions.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A blade welding auxiliary mechanism for a spiral shaft, comprising a spiral shaft body (1), characterized in that: Adjustment components (2) are arranged at both ends of the spiral shaft body (1); a support component (3) is arranged at the bottom of the adjustment component (2); a moving component (4) is arranged on the support component (3); and a dust collection component (5) is arranged on the moving component (4); The adjusting assembly (2) comprises a left steel frame (21) located below one end of the screw shaft body (1); a first U-shaped steel plate (22) is fixedly connected to the top of the left steel frame (21); a first roller (23) is rotatably connected inside the first U-shaped steel plate (22); the first roller (23) is fitted with the screw shaft body (1); one end of the first roller (23) is fixedly connected to a shaft rod (24); the shaft rod (24) is rotatably connected to the first U-shaped steel plate (22); an end of the shaft rod (24) away from the first U-shaped steel plate (22) is fixedly connected to a motor (25); a right steel frame (27) is arranged below the other end of the screw shaft body (1); a second U-shaped steel plate (28) is fixedly connected to the top of the right steel frame (27); a second roller (29) is rotatably connected inside the second U-shaped steel plate (28); the second roller (29) is fitted with the screw shaft body (1).

2. The blade welding auxiliary mechanism of a spiral shaft according to claim 1, characterized in that: An L-shaped support rod (26) is fixedly connected to the outer side wall of the left steel frame (21), and the top of the L-shaped support rod (26) is fixedly connected to the bottom of the motor (25).

3. The blade welding auxiliary mechanism of a spiral shaft according to claim 1, characterized in that: The support assembly (3) comprises a vertical steel (31), the bottoms of the right steel frame (27) and the left steel frame (21) are respectively fixedly connected to the top of the vertical steel (31), and the outer side wall of the vertical steel (31) is fixedly connected to an I-shaped steel (32).

4. The blade welding auxiliary mechanism of a spiral shaft according to claim 3, characterized in that: A sleeve (33) is fixedly connected to the bottom of the vertical steel (31), and a shock-absorbing seat (34) is threadedly connected to the inside of the sleeve (33).

5. The blade welding auxiliary mechanism of a spiral shaft according to claim 1, characterized in that: The moving assembly (4) includes a horizontal plate (41) fixedly connected between a left steel frame (21) and a right steel frame (27); the interior of the horizontal plate (41) is rotatably connected to a threaded rod (42); the outer wall of the threaded rod (42) is threadedly connected to a sleeve block (43); the sleeve block (43) is slidably connected to the horizontal plate (41); the outer wall of the sleeve block (43) is fixedly connected to a moving frame (44); and the top of the moving frame (44) is fixedly connected to a vertical plate (45).

6. The blade welding auxiliary mechanism of a spiral shaft according to claim 5, characterized in that: One end of the threaded rod (42) is fixedly connected to a movable disk (46).

7. The blade welding auxiliary mechanism of a spiral shaft according to claim 5, characterized in that: The dust collection assembly (5) comprises a mounting plate (51) fixedly connected to the bottom of the horizontal plate (41); an axial flow fan (52) is fixedly connected inside the mounting plate (51); an air inlet of the axial flow fan (52) is fixedly connected to a hose (53); an end of the hose (53) away from the axial flow fan (52) is fixedly connected to a hard tube (54); an end of the hard tube (54) away from the hose (53) is fixedly connected to a dust collection hood (55); and the hard tube (54) is fixedly connected to penetrate the interior of the movable frame (44) and the vertical plate (45), respectively.

8. The blade welding auxiliary mechanism of a spiral shaft according to claim 7, characterized in that: The air outlet of the axial flow fan (52) is fixedly connected to an air outlet pipe (56), one end of the air outlet pipe (56) away from the axial flow fan (52) is fixedly connected to a filter box (57), the interior of the filter box (57) is fixedly connected to a transmission pipe (58), the transmission pipe (58) is fixedly connected to the air outlet pipe (56), and a plurality of exhaust holes (59) are formed on the transmission pipe (58), and the plurality of exhaust holes (59) are evenly distributed in a spiral shape.

9. The blade welding auxiliary mechanism of a spiral shaft according to claim 8, characterized in that: A primary filter cover (510) is fixedly connected to the interior of the filter box (57), a HEPA filter cover (511) is fixedly connected to the interior of the filter box (57), an activated carbon filter cover (512) is fixedly connected to the interior of the HEPA filter cover (511), the primary filter cover (510), the HEPA filter cover (511) and the activated carbon filter cover (512) are arranged in sequence from the inside to the outside, and a circular hole (513) is opened on one side of the filter box (57).

10. The blade welding auxiliary mechanism of a spiral shaft according to claim 7, characterized in that: A filter screen (514) is fixedly connected to the interior of the dust cover (55).

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