Special-shaped curved surface dust removal device

Abstract

The utility model discloses a special-shaped curved surface dust removal device which comprises a profiling seat, a dust removal device body and a dust removal device body, a profiling cavity is formed in the bottom face of the profiling seat, and the profiling cavity is matched with a special-shaped curved surface; the driving assembly is connected with the profiling seat, and the profiling seat is driven by the driving assembly to rotate; the air blowing assembly communicates with the profiling cavity and is used for blowing positive-pressure airflow into the profiling cavity; and the air draft assembly communicates with the profiling cavity, and negative pressure airflow is formed in the profiling cavity under the action of the air draft assembly. According to the scheme, the profiling cavity is arranged on the special-shaped curved surface in a sleeving mode, positive-pressure airflow is formed in the profiling cavity through the air blowing assembly, and foreign matter on the surface of the special-shaped curved surface is blown up through the positive-pressure airflow; negative-pressure airflow is formed in the profiling cavity through the air draft assembly, and blown foreign matter is sucked through the negative-pressure airflow; and the driving assembly is matched to drive the profiling base to rotate, rotary dust removal is achieved, foreign matter on the special-shaped curved surface can be fully removed, dust removal is sufficient, and the effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal, in particular to a special-shaped curved surface dust removal device. Background Art

[0002] In the process of dust removal of workpieces with special-shaped curved surfaces, due to the conditions of the special-shaped curved surfaces themselves, traditional dust removal devices cannot fully remove dust from the special-shaped surfaces, and foreign matter is likely to remain on the surface of the special-shaped curved surfaces. Therefore, a special-shaped curved surface dust removal device is designed, which can fully remove dust from the special-shaped curved surface, has a good dust removal effect, and can effectively prevent foreign matter from remaining on the surface of the special-shaped curved surface. Utility Model Content

[0003] The utility model provides a device for removing dust from a special-shaped curved surface, wherein a profiling cavity is sleeved on the special-shaped curved surface, a positive-pressure airflow is formed inside the profiling cavity through a blowing component, and foreign matters on the surface of the special-shaped curved surface are blown up by the positive-pressure airflow; a negative-pressure airflow is formed inside the profiling cavity through an exhaust component, and the blown-up foreign matters are sucked up by the negative-pressure airflow; a driving component is cooperated to drive the profiling seat to rotate, so as to realize rotary dust removal, and foreign matters on the surface of the special-shaped curved surface can be fully removed, and the dust removal is sufficient and effective.

[0004] In order to solve the above technical problems, the technical solution of the utility model is as follows:

[0005] The utility model provides a special-shaped curved surface dust removal device, comprising:

[0006] A contour seat, wherein a contour cavity is formed on the bottom surface of the contour seat, and the contour cavity is adapted to the special-shaped curved surface;

[0007] A driving assembly connected to the profiling seat, wherein the profiling seat rotates under the drive of the driving assembly;

[0008] A blowing assembly is connected to the profiling cavity and is used to blow positive pressure airflow into the profiling cavity;

[0009] The exhaust component is communicated with the contoured cavity, and a negative pressure airflow is formed inside the contoured cavity under the action of the exhaust component.

[0010] Optionally, the driving component includes:

[0011] A motor is connected to the upper surface of the first negative pressure cylinder, wherein the output shaft of the motor is a hollow structure, and the bottom end of the output shaft of the motor extends into the interior of the first negative pressure cylinder;

[0012] A second negative pressure cylinder is connected to the bottom end of the output shaft of the motor through a positive pressure conduit;

[0013] The contoured seat is connected to the bottom surface of the second negative pressure cylinder;

[0014] The blowing assembly comprises:

[0015] A positive pressure pipe joint, arranged on the upper surface of the motor, the positive pressure pipe joint being in communication with the inner cavity of the output shaft of the motor;

[0016] A positive pressure box connected to the top surface of the second negative pressure cylinder, wherein the inner cavity of the positive pressure box is in communication with the positive pressure conduit;

[0017] A positive pressure groove is provided on the top surface of the contoured cavity, and the positive pressure groove is communicated with the inner cavity of the positive pressure box;

[0018] The exhaust assembly comprises:

[0019] A first negative pressure pipe joint is arranged outside the first negative pressure cylinder, and the first negative pressure pipe joint is connected to the negative pressure cavity inside the second negative pressure cylinder through the negative pressure guide hole on the top surface of the second negative pressure cylinder;

[0020] A negative pressure groove is provided on the top surface of the contoured cavity, and the negative pressure groove is connected to the negative pressure cavity;

[0021] There are multiple negative pressure grooves, which are symmetrically distributed on both sides of the positive pressure groove.

[0022] Optionally, the blowing assembly further includes:

[0023] A booster plate is arranged inside the positive pressure box, a positive pressure guide cavity is arranged on the surface of the booster plate, a booster seam connected to the positive pressure guide cavity is arranged on the bottom surface of the booster plate, the booster seam is connected to the positive pressure groove correspondingly, and the width of the booster seam is greater than the width of the positive pressure groove.

[0024] Optionally, inner walls on both sides of the positive pressure guide cavity are of a wavy structure.

[0025] Optionally, the blowing assembly further includes:

[0026] A flow balancing plate is arranged on the surface of the booster plate, and flow balancing holes are evenly arranged on the surface of the flow balancing plate, and the flow balancing holes are connected to the positive pressure guide cavity;

[0027] The flow balancing holes are arranged in multiple rows, and the multiple rows of flow balancing holes are staggered.

[0028] Optionally, the contour seat is detachably arranged on the bottom surface of the second negative pressure cylinder, and a mounting groove and a negative pressure guide cavity are formed on the surface of the contour seat;

[0029] The negative pressure diversion cavity is respectively connected to the negative pressure groove and the negative pressure cavity;

[0030] The mounting groove is adapted to and connected to the inner cavity of the positive pressure box and is used for mounting the boost plate.

[0031] Optionally, the exhaust assembly further includes:

[0032] A third negative pressure cylinder is connected to the bottom surface of the first negative pressure cylinder, the second negative pressure cylinder is located inside the third negative pressure cylinder, and the height of the bottom surface of the third negative pressure cylinder is less than the height of the bottom surface of the contoured seat;

[0033] The second negative pressure pipe joint is connected to the outside of the third negative pressure cylinder, and the second negative pressure pipe joint is communicated with the inner cavity of the third negative pressure cylinder.

[0034] Optionally, the negative pressure groove passes through the outer circumferential surface of the contoured seat.

[0035] Optionally, the upper portion of the second negative pressure cylinder is rotatably connected to the third negative pressure cylinder via a bearing, and a support ring is provided on the inner wall of the third negative pressure cylinder, and the support ring abuts against the bottom surface of the bearing.

[0036] Optionally, a connecting frame is provided on the outside of the third negative pressure cylinder.

[0037] The above solution of the utility model includes at least the following beneficial effects:

[0038] The above scheme of the utility model enables the profiling cavity to be sleeved on the special-shaped curved surface, and a positive pressure airflow is formed inside the profiling cavity through the blowing component, and the foreign matter on the surface of the special-shaped curved surface is blown up by the positive pressure airflow; a negative pressure airflow is formed inside the profiling cavity through the exhaust component, and the blown-up foreign matter is sucked up by the negative pressure airflow; the driving component is cooperated to drive the profiling seat to rotate, so as to realize rotary dust removal, which can fully remove the foreign matter on the surface of the special-shaped curved surface, and the dust removal is sufficient and the effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a schematic diagram of the three-dimensional structure of the special-shaped curved surface dust removal device provided by an embodiment of the utility model;

[0040] Figure 2 It is a front cross-sectional view of a special-shaped curved surface dust removal device provided by an embodiment of the utility model;

[0041] Figure 3 It is a schematic diagram of the structure inside the negative pressure cylinder in the special-shaped curved surface dust removal device provided by an embodiment of the utility model;

[0042] Figure 4 It is a schematic diagram of the three-dimensional structure of the special-shaped curved surface dust removal device provided by an embodiment of the utility model from an upward perspective;

[0043] Figure 5 It is a structural schematic diagram of a flow equalizing plate in a special-shaped curved surface dust removal device provided in an embodiment of the utility model.

[0044] The following are the descriptions of the reference numerals:

[0045] 1. First negative pressure cylinder; 2. Third negative pressure cylinder; 3. First negative pressure pipe joint; 4. Positive pressure pipe joint; 5. Motor; 6. Connecting frame; 7. Second negative pressure pipe joint; 8. Positive pressure conduit; 9. Positive pressure box; 10. Second negative pressure cylinder; 11. Contour seat; 12. Contour cavity; 13. Negative pressure groove; 14. Positive pressure groove; 15. Negative pressure guide cavity; 16. Negative pressure cavity; 17. Negative pressure guide hole; 18. Pressurization seam; 19. Pressurization plate; 20. Flow equalizing plate; 21. Positive pressure guide cavity; 22. Flow equalizing hole; 23. Mounting groove; 24. Support ring; 25. Bearing. DETAILED DESCRIPTION

[0046] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0047] like Figure 1-Figure 5 As shown, the utility model provides a special-shaped curved surface dust removal device, comprising:

[0048] A profiling seat 11, a profiling cavity 12 is formed on the bottom surface of the profiling seat 11, and the profiling cavity 12 is adapted to the special-shaped curved surface;

[0049] A driving assembly is connected to the profiling seat 11, and the profiling seat 11 rotates under the drive of the driving assembly;

[0050] A blowing assembly is connected to the profiling cavity 12 and is used to blow positive pressure airflow into the profiling cavity 12;

[0051] The exhaust assembly is connected to the contour cavity 12, and a negative pressure airflow is formed inside the contour cavity 12 under the action of the exhaust assembly.

[0052] In this embodiment, when dust removal is performed, the profiling cavity 12 is sleeved on the profiled surface, and a positive pressure airflow is formed inside the profiling cavity 12 through the blowing component, and foreign matter on the surface of the profiled surface is blown up by the positive pressure airflow; a negative pressure airflow is formed inside the profiling cavity 12 through the exhaust component, and the blown-up foreign matter is sucked up by the negative pressure airflow; the driving component is cooperated to drive the profiling seat 11 to rotate, so as to realize rotary dust removal, which can fully remove foreign matter on the surface of the profiled surface, and the dust removal is sufficient and effective.

[0053] like Figure 2 and Figure 3 As shown, in an optional embodiment of the utility model, the drive assembly includes:

[0054] The motor 5 is connected to the upper surface of the first negative pressure tube 1, the output shaft of the motor 5 is a hollow structure, and the bottom end of the output shaft of the motor 5 extends into the first negative pressure tube 1;

[0055] The second negative pressure cylinder 10 is connected to the bottom end of the output shaft of the motor 5 through the positive pressure conduit 8;

[0056] The contour seat 11 is connected to the bottom surface of the second negative pressure cylinder 10;

[0057] The blowing assembly includes:

[0058] A positive pressure pipe joint 4 is arranged on the upper surface of the motor 5, and the positive pressure pipe joint 4 is connected to the inner cavity of the output shaft of the motor 5;

[0059] The positive pressure box 9 is connected to the top surface of the second negative pressure cylinder 10, and the inner cavity of the positive pressure box 9 is connected to the positive pressure conduit 8;

[0060] A positive pressure groove 14 is provided on the top surface of the contoured cavity 12, and the positive pressure groove 14 is connected to the inner cavity of the positive pressure box 9;

[0061] The exhaust assembly includes:

[0062] The first negative pressure pipe joint 3 is arranged outside the first negative pressure cylinder 1, and the first negative pressure pipe joint 3 is connected to the negative pressure chamber 16 inside the second negative pressure cylinder 10 through the negative pressure guide hole 17 on the top surface of the second negative pressure cylinder 10;

[0063] A negative pressure groove 13 is provided on the top surface of the contour cavity 12, and the negative pressure groove 13 is connected to the negative pressure cavity 16;

[0064] There are multiple negative pressure grooves 13 , which are symmetrically distributed on both sides of the positive pressure groove 14 .

[0065] In this embodiment, the positive pressure pipe joint 4 is connected to the air blower, and the positive pressure airflow is blown into the contour cavity 12 through the air blower, the positive pressure pipe joint 4, the inner cavity of the output shaft of the motor 5, the positive pressure conduit 8, the inner cavity of the positive pressure box 9 and the positive pressure groove 14, so that the foreign matter on the surface of the special-shaped curved surface is blown up by the positive pressure airflow;

[0066] The first negative pressure pipe joint 3 is connected to the exhaust pump, and a negative pressure airflow is formed inside the contour cavity 12 through the exhaust pump, the negative pressure pipe joint, the inner cavity of the first negative pressure cylinder 1, the negative pressure flow guide hole 17, the negative pressure cavity 16 and the negative pressure groove 13, and the foreign matter blown up is sucked by the negative pressure airflow;

[0067] The output shaft of the motor 5 drives the second negative pressure cylinder 10 to rotate through the positive pressure conduit 8, and the contour seat 11 rotates with the second negative pressure cylinder 10 to achieve rotary dust removal. The positive pressure airflow can fully contact the surface of the special-shaped curved surface by utilizing the rotation effect, so as to fully blow away the foreign matter on the surface of the special-shaped curved surface. At the same time, the negative pressure airflow can fully extract the foreign matter blown up inside the contour cavity 12 by utilizing the rotation effect, so as to prevent the foreign matter from being re-attached to the surface of the special-shaped curved surface.

[0068] Negative pressure grooves 13 are provided on both sides of the positive pressure groove 14, so that the negative pressure airflow can fully absorb the blown foreign matter and ensure the dust removal effect;

[0069] Through rotary dust removal, with positive pressure airflow blowing up foreign matter and negative pressure airflow sucking foreign matter, foreign matter on the surface of special-shaped curved surfaces can be fully and accurately removed, with good dust removal effect and high efficiency.

[0070] like Figure 3 As shown, in an optional embodiment of the utility model, the blowing assembly also includes:

[0071] The boost plate 19 is arranged inside the positive pressure box 9. A positive pressure guide cavity 21 is arranged on the surface of the boost plate 19. A boost seam 18 connected to the positive pressure guide cavity 21 is arranged on the bottom surface of the boost plate 19. The boost seam 18 is connected to the positive pressure groove 14 correspondingly, and the width of the boost seam 18 is greater than the width of the positive pressure groove 14.

[0072] In this embodiment, the positive pressure airflow entering the inner cavity of the positive pressure box 9 enters the pressurization slit 18 through the positive pressure guide cavity 21, and is pressurized once through the pressurization slit 18, and then is pressurized a second time through the positive pressure groove 14. This can increase the pressure of the positive pressure airflow blown into the contoured cavity 12, thereby improving the effect of the positive pressure airflow on blowing away foreign matter on the surface of the irregular curved surface, thereby improving the dust removal effect.

[0073] like Figure 3 As shown, in an optional embodiment of the present invention, the inner walls on both sides of the positive pressure guide cavity 21 are of a wavy structure.

[0074] In this embodiment, the inner walls on both sides of the positive pressure guide cavity 21 are in a wavy structure, which can cause the positive pressure airflow to vibrate, thereby helping to improve the effect of the positive pressure airflow in blowing away foreign objects on the surface of the irregular curved surface.

[0075] like Figure 3 and Figure 5 As shown, in an optional embodiment of the utility model, the blowing assembly also includes:

[0076] The flow balancing plate 20 is arranged on the surface of the boost plate 19, and the flow balancing holes 22 are evenly arranged on the surface of the flow balancing plate 20, and the flow balancing holes 22 are connected to the positive pressure guide cavity 21;

[0077] The flow balancing holes 22 are arranged in multiple rows, and the multiple rows of flow balancing holes 22 are staggered.

[0078] In this embodiment, the positive pressure airflow can be guided and equalized through the equalizing holes 22 on the surface of the equalizing plate 20, so that the positive pressure airflow evenly and fully enters the positive pressure guide cavity 21, ensuring that the positive pressure airflow is mixed and blown into the contour cavity 12, ensuring the positive pressure airflow has a blowing effect on foreign objects on the surface of the special-shaped curved surface;

[0079] The flow balancing holes 22 are arranged in multiple rows, and the multiple rows of flow balancing holes 22 are staggeredly distributed, which can ensure the ventilation volume of the flow balancing holes 22 and ensure that the positive pressure airflow fully enters the positive pressure guide cavity 21.

[0080] like Figure 3 As shown, in an optional embodiment of the present invention, the profiling seat 11 is detachably arranged on the bottom surface of the second negative pressure cylinder 10, and the surface of the profiling seat 11 is formed with a mounting groove 23 and a negative pressure guide cavity 15;

[0081] The negative pressure diversion cavity 15 is connected to the negative pressure groove 13 and the negative pressure cavity 16 respectively;

[0082] The mounting groove 23 is adapted to and connected to the inner cavity of the positive pressure box 9 and is used for mounting the boost plate 19 .

[0083] In this embodiment, the above structure is adopted to facilitate the installation of the boost plate 19 and the flow equalizing plate 20; the negative pressure guide cavity 15 is used for diversion, so that foreign matter enters the negative pressure cavity 16 from the negative pressure groove 13 along with the negative pressure airflow.

[0084] like Figure 2 and Figure 4 As shown, in an optional embodiment of the utility model, the exhaust assembly also includes:

[0085] The third negative pressure cylinder 2 is connected to the bottom surface of the first negative pressure cylinder 1, and the second negative pressure cylinder 10 is located inside the third negative pressure cylinder 2. The height of the bottom surface of the third negative pressure cylinder 2 is less than the height of the bottom surface of the contoured seat 11;

[0086] The second negative pressure pipe joint 7 is connected to the outside of the third negative pressure tube 2 , and the second negative pressure pipe joint 7 is communicated with the inner cavity of the third negative pressure tube 2 .

[0087] In this embodiment, when the first negative pressure pipe joint 3 is used to absorb foreign matter, some foreign matter will overflow the profiling cavity 12 and thus will not be absorbed. By providing the second negative pressure pipe joint 7 and the third negative pressure cylinder 2, the second negative pressure pipe joint 7 and the exhaust pump, in cooperation with the third negative pressure cylinder 2, can form a negative pressure airflow, and the negative pressure airflow is used to absorb the residual foreign matter that overflows the profiling cavity 12, thereby ensuring that the foreign matter is fully absorbed and the dust removal effect is guaranteed.

[0088] like Figure 4As shown, in an optional embodiment of the present invention, the negative pressure groove 13 passes through the outer circumferential surface of the contoured seat 11 .

[0089] In this embodiment, the above structure is adopted to further connect the contour cavity 12 and the third negative pressure cylinder 2, which can further improve the effect of absorbing the blown foreign matter.

[0090] like Figure 3 As shown, in an optional embodiment of the utility model, the upper portion of the second negative pressure cylinder 10 is rotatably connected to the third negative pressure cylinder 2 via a bearing 25 , and a support ring 24 is provided on the inner wall of the third negative pressure cylinder 2 , which abuts against the bottom surface of the bearing 25 .

[0091] In this embodiment, the second negative pressure cylinder 10 is rotatably connected to the third negative pressure cylinder 2 by the bearing 25, so as to ensure the rotation stability of the second negative pressure cylinder 10 and the contour seat 11, thereby improving the dust removal effect;

[0092] In this embodiment, the number of the bearings 25 is preferably two. During specific design and production, the number of the bearings 25 is adjusted according to the size of the second negative pressure cylinder 10 .

[0093] like Figure 1 As shown, in an optional embodiment of the present invention, a connecting frame 6 is provided on the outside of the third negative pressure cylinder 2 .

[0094] In this embodiment, the connection frame 6 facilitates the connection between the dust removal device of the present application and the mobile device, thereby meeting the needs of automated production.

[0095] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A dust removal device for special-shaped curved surfaces, characterized in that: include: A profiling seat (11), wherein a profiling cavity (12) is formed on the bottom surface of the profiling seat (11), and the profiling cavity (12) is adapted to the special-shaped curved surface; A driving assembly connected to the profiling seat (11), wherein the profiling seat (11) rotates under the drive of the driving assembly; A blowing assembly is connected to the profiling cavity (12) and is used to blow positive pressure airflow into the profiling cavity (12); The exhaust component is in communication with the contoured cavity (12), and a negative pressure airflow is formed inside the contoured cavity (12) under the action of the exhaust component.

2. The device for removing dust from a special-shaped curved surface according to claim 1, characterized in that: The drive assembly comprises: A motor (5) is connected to the upper surface of the first negative pressure cylinder (1); the output shaft of the motor (5) is a hollow structure, and the bottom end of the output shaft of the motor (5) extends into the interior of the first negative pressure cylinder (1); A second negative pressure cylinder (10) is connected to the bottom end of the output shaft of the motor (5) via a positive pressure conduit (8); The contoured seat (11) is connected to the bottom surface of the second negative pressure cylinder (10); The blowing assembly comprises: A positive pressure pipe joint (4) is arranged on the upper surface of the motor (5), and the positive pressure pipe joint (4) is connected to the inner cavity of the output shaft of the motor (5); A positive pressure box (9) is connected to the inner top surface of the second negative pressure cylinder (10), and the inner cavity of the positive pressure box (9) is connected to the positive pressure conduit (8); The inner top surface of the contoured cavity (12) is provided with a positive pressure groove (14), and the positive pressure groove (14) is connected to the inner cavity of the positive pressure box (9); The exhaust assembly comprises: A first negative pressure pipe joint (3) is arranged outside the first negative pressure cylinder (1), and the first negative pressure pipe joint (3) is connected to the negative pressure chamber (16) inside the second negative pressure cylinder (10) through a negative pressure guide hole (17) on the top surface of the second negative pressure cylinder (10); A negative pressure groove (13) is provided on the inner top surface of the contoured cavity (12), and the negative pressure groove (13) is connected to the negative pressure cavity (16); There are a plurality of negative pressure grooves (13) disposed therein, and they are symmetrically distributed on both sides of the positive pressure groove (14).

3. The device for removing dust from a special-shaped curved surface according to claim 2, characterized in that: Also includes: A boost plate (19) is arranged inside the positive pressure box (9), a positive pressure guide cavity (21) is arranged on the surface of the boost plate (19), a boost seam (18) connected to the positive pressure guide cavity (21) is arranged on the bottom surface of the boost plate (19), the boost seam (18) is connected to the positive pressure groove (14) correspondingly, and the width of the boost seam (18) is greater than the width of the positive pressure groove (14).

4. The device for removing dust from a special-shaped curved surface according to claim 3, characterized in that: The inner walls on both sides of the positive pressure guide cavity (21) are in a wave-shaped structure.

5. The device for removing dust from a special-shaped curved surface according to claim 3, characterized in that: Also includes: A flow balancing plate (20) is arranged on the surface of the boost plate (19), and flow balancing holes (22) are evenly arranged on the surface of the flow balancing plate (20), and the flow balancing holes (22) are connected to the positive pressure guide cavity (21); The flow balancing holes (22) are arranged in a plurality of rows, and the plurality of rows of flow balancing holes (22) are staggered in distribution.

6. The device for removing dust from a special-shaped curved surface according to claim 5, characterized in that: The profiling seat (11) is detachably arranged on the bottom surface of the second negative pressure cylinder (10), and a mounting groove (23) and a negative pressure guide cavity (15) are formed on the surface of the profiling seat (11); The negative pressure diversion cavity (15) is respectively connected to the negative pressure groove (13) and the negative pressure cavity (16); The mounting groove (23) is adapted to and connected to the inner cavity of the positive pressure box (9) and is used for mounting the boost plate (19).

7. The device for removing dust from a special-shaped curved surface according to claim 2, characterized in that: Also includes: A third negative pressure cylinder (2) is connected to the bottom surface of the first negative pressure cylinder (1), the second negative pressure cylinder (10) is located inside the third negative pressure cylinder (2), and the height of the bottom surface of the third negative pressure cylinder (2) is less than the height of the bottom surface of the contoured seat (11); The second negative pressure pipe joint (7) is connected to the outside of the third negative pressure cylinder (2), and the second negative pressure pipe joint (7) is communicated with the inner cavity of the third negative pressure cylinder (2).

8. The device for removing dust from a special-shaped curved surface according to claim 7, characterized in that: The negative pressure groove (13) passes through the outer circumferential surface of the contoured seat (11).

9. The device for removing dust from a special-shaped curved surface according to claim 7, characterized in that: The upper portion of the second negative pressure cylinder (10) is rotatably connected to the third negative pressure cylinder (2) via a bearing (25); a support ring (24) is provided on the inner wall of the third negative pressure cylinder (2), and the support ring (24) abuts against the bottom surface of the bearing (25).

10. The device for removing dust from a special-shaped curved surface according to claim 7, characterized in that: A connecting frame (6) is arranged outside the third negative pressure cylinder (2).

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