Filter screen mounting device for dust removal equipment production

By designing an automated filter installation device, the automatic installation of barrel filters is achieved using components such as servo motors and cylinders, the problems of high labor intensity and low efficiency caused by manual installation in the production of WD1S barrel dust collectors are solved, and the installation efficiency and stability are improved.

CN120228531AInactive Publication Date: 2025-07-01HENAN DAJING ENVIRONMENTAL PROTECTION EQUIPMENT CO LTD
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Patent Information

Application Number
CN202510644895.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-20
Publication Date
2025-07-01
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the production of WD1S barrel dust collectors, the installation of the barrel filter requires manual participation, resulting in high labor intensity and low installation efficiency.

Method used

A filter screen installation device including a second conveying mechanism, a fixing assembly and an installation assembly is designed, and the automatic installation of the barrel filter is achieved by using components such as servo motor, cylinder and cylinder push plate to reduce manual participation.

Benefits of technology

The automatic installation of the barrel filter is realized, which reduces the labor pressure of staff and improves installation efficiency and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of filter screen mounting, and discloses a filter screen mounting device for dust removal equipment production, which comprises a second conveying mechanism, a barrel-shaped filter screen, a fixing assembly and a mounting assembly, the fixing assembly is arranged on the second conveying mechanism, the mounting assembly is arranged on the second conveying mechanism, and the mounting assembly comprises a support frame; the supporting frame is fixedly connected to the right side of the second conveying mechanism, a concave supporting plate is fixedly connected to the upper surface of the supporting frame, a fixing plate is fixedly connected to the upper surface of the concave supporting plate, an arc-shaped sliding groove is formed in the upper surface of the fixing plate, and a servo motor is fixedly installed at the concave position of the concave supporting plate. According to the barrel-shaped filter screen mounting device, the barrel-shaped filter screen can be automatically mounted by arranging the mounting assembly, workers do not need to manually participate in the mounting process of the barrel-shaped filter screen, and only need to observe mounting of the barrel-shaped filter screen from one side, so that the labor pressure of the workers is reduced, and the mounting efficiency of the barrel-shaped filter screen is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of filter screen installation, and particularly to a filter screen installation device for the production of dust removal equipment. Background Art

[0002] In the production of WD1S barrel dust collectors, it is necessary to place the barrel-shaped filter screen at the designated installation position of the WD1S barrel dust collector, and finally apply a downward pressure to the barrel-shaped filter screen so that the barrel-shaped filter screen and the WD1S barrel dust collector are installed and clamped together. Currently, during the installation process of the two, generally, workers place the barrel-shaped filter screen on the workbench beside it at the designated installation position of the WD1S barrel dust collector on the conveyor belt in front of them, and then use a pressing device to fix the two, achieving semi-automatic installation. However, during the installation process, workers need to be involved all the time, which undoubtedly increases the labor intensity of workers and reduces the overall installation efficiency. Summary of the Invention

[0003] (1) Technical Problems to be Solved

[0004] In view of the deficiencies of the prior art, the present invention provides a filter screen installation device for the production of dust removal equipment, which solves the problem that in the production of WD1S barrel dust collectors, it is necessary to place the barrel-shaped filter screen at the designated installation position of the WD1S barrel dust collector, and finally apply a downward pressure to the barrel-shaped filter screen so that the barrel-shaped filter screen and the WD1S barrel dust collector are installed and clamped together. Currently, during the installation process of the two, generally, workers place the barrel-shaped filter screen on the workbench beside it at the designated installation position of the WD1S barrel dust collector on the conveyor belt in front of them, and then use a pressing device to fix the two, achieving semi-automatic installation. However, during the installation process, workers need to be involved all the time, which undoubtedly increases the labor intensity of workers and reduces the overall installation efficiency.

[0005] (2) Technical Solutions

[0006] To achieve the above object, the present invention provides the following technical solutions: a filter screen installation device for the production of dust removal equipment, including a second conveying mechanism and a barrel-shaped filter screen;

[0007] A fixing component, which is arranged on the second conveying mechanism;

[0008] An installation component, which is arranged on the second conveying mechanism. The installation component includes a support frame, and the support frame is fixedly connected to the right side of the second conveying mechanism;

[0009] Among them, the upper surface of the support frame is fixedly connected with a concave-shaped support plate, the upper surface of the concave-shaped support plate is fixedly connected with a fixing plate, an arc-shaped chute is opened on the upper surface of the fixing plate, and a servo motor is fixedly installed in the concave-shaped part of the concave-shaped support plate;

[0010] Among them, the output end of the servo motor is fixedly connected with a connecting shaft, the upper end of the connecting shaft rotates through the upper surface of the fixing plate, and the upper end of the connecting shaft is fixedly connected with a connecting plate;

[0011] Among them, the lower surface of the connecting plate is fixedly connected with two arc-shaped sliding plates, and the lower ends of the two arc-shaped sliding plates are both slidably connected with an arc-shaped sliding groove;

[0012] Among them, protective boxes are fixedly connected to both the left and right sides of the connecting plate, and third cylinders are fixedly installed inside the two protective boxes;

[0013] Among them, the telescopic ends of the two third cylinders respectively slide through the lower surfaces of the corresponding protective boxes.

[0014] Preferably, the telescopic end of the third cylinder is fixedly connected with a rectangular mounting plate, and a first mounting groove is formed on the lower surface of the rectangular mounting plate;

[0015] Among them, a fifth cylinder is fixedly installed on the inner wall of the first mounting groove, and a circular push plate is fixedly connected to the telescopic end of the fifth cylinder.

[0016] Preferably, second mounting grooves are formed on both the front and rear surfaces of the rectangular mounting plate, and fourth cylinders are fixedly installed on the inner walls of the two second mounting grooves;

[0017] Among them, L-shaped connecting frames are fixedly connected to the telescopic ends of the two fourth cylinders.

[0018] Preferably, arc-shaped fixing plates are fixedly installed on the opposite surfaces of the two L-shaped connecting frames, and the structures on the two third cylinders are exactly the same and are arranged in a left-right mirror image.

[0019] Preferably, the fixing component includes two first cylinders, and the two first cylinders are respectively fixedly installed on the left and right sides of the second conveying mechanism;

[0020] Among them, the telescopic ends of the two first cylinders both slide into the inside of the second conveying mechanism.

[0021] Preferably, the telescopic ends of the two first cylinders are both fixedly connected with fixing clamping plates, and rubber pads are fixedly connected to the opposite surfaces of the two fixing clamping plates..

[0022] Preferably, the fixing component further includes four second cylinders, and the four second cylinders are respectively fixedly installed on the left and right sides of the second conveying mechanism;

[0023] Among them, the telescopic ends of the four second cylinders all slide into the inside of the second conveying mechanism.

[0024] Preferably, mounting brackets are fixedly connected to the telescopic ends of the four second cylinders, and auxiliary rollers are rotatably connected to the inner walls of the four mounting brackets.

[0025] Preferably, first conveying mechanisms are fixedly installed on the front and rear surfaces of the second conveying mechanism.

[0026] Preferably, a third conveying mechanism is arranged on the right side of the second conveying mechanism.

[0027] (III) Advantageous Effects

[0028] Compared with the prior art, the present invention provides a filter screen installation device for dust removal equipment production, having the following advantageous effects:

[0029] 1. For the filter screen installation device for dust removal equipment production, by setting the installation assembly, the automatic installation of the barrel-shaped filter screen can be realized. There is no need for staff to manually participate in the installation process of the barrel-shaped filter screen. They only need to observe the installation of the barrel-shaped filter screen from the side, reducing the labor pressure of the staff and thus improving the installation efficiency of the barrel-shaped filter screen.

[0030] 2. For the filter screen installation device for dust removal equipment production, the telescopic end of the fifth cylinder pushes the circular push plate to move downward. The circular push plate contacts the upper surface of the barrel-shaped filter screen, thereby pushing the barrel-shaped filter screen to move downward, and then firmly clamping the barrel-shaped filter screen on the installation ring of the WDS barrel type dust collector, thus improving the installation stability of the barrel-shaped filter screen.

[0031] 3. For the filter screen installation device for dust removal equipment production, when starting the four second cylinders, the telescopic ends of the four second cylinders push the four mounting brackets to move, so that the multiple auxiliary rollers contact the left and right sides of the WDS barrel type dust collector, playing a role in limiting and assisting the movement of the WDS barrel type dust collector, and thus improving the stability of the WDS barrel type dust collector when entering and leaving the second conveying mechanism.

[0032] 4. For the filter screen installation device for dust removal equipment production, during the rotation of the connecting plate, the two arc-shaped sliding plates will be driven to rotate on the inner wall of the arc-shaped chute. The two arc-shaped sliding plates and the arc-shaped chute play an auxiliary role in the overall rotation of the connecting plate, thus improving the stability of the overall connecting plate during rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 is a schematic structural diagram of the overall filter screen installation device for dust removal equipment production of the present invention;

[0034] Figure 2 is a schematic connection diagram of the second conveying mechanism and the support frame of the present invention;

[0035] Figure 3Schematic diagram of the connection between the auxiliary roller and the mounting bracket of the present invention;

[0036] Figure 4 Schematic diagram of the connection between the arc-shaped chute and the arc-shaped sliding plate of the present invention;

[0037] Figure 5 Schematic diagram of the connection between the fourth cylinder and the L-shaped connecting bracket of the present invention;

[0038] Figure 6 Schematic diagram of the lower surface of the rectangular mounting plate of the present invention.

[0039] In the figure: 1. First conveying mechanism; 2. First cylinder; 3. Second conveying mechanism; 4. Second cylinder; 5. Third conveying mechanism; 6. Connecting plate; 7. Protective box; 8. Support frame; 9. Concave-shaped support plate; 10. Fixed plate; 11. Auxiliary roller; 12. Mounting bracket; 13. Fixed clamping plate; 14. Arc-shaped sliding plate; 15. Connecting shaft; 16. Arc-shaped chute; 17. Servo motor; 18. Third cylinder; 19. Fourth cylinder; 20. L-shaped connecting bracket; 21. Barrel-shaped filter screen; 22. Arc-shaped fixed plate; 23. Circular push plate; 24. Rectangular mounting plate; 25. First mounting groove; 26. Second mounting groove; 27. Fifth cylinder. Detailed implementation manners

[0040] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0041] Please refer to Figure 1-6 , the present invention provides a new technical solution: a filter screen installation device for the production of dust removal equipment, including a second conveying mechanism 3 and a barrel-shaped filter screen 21, and a fixing component, the fixing component is arranged on the second conveying mechanism 3;

[0042] An installation component, the installation component is arranged on the second conveying mechanism 3, and the installation component includes a support frame 8, and the support frame 8 is fixedly connected to the right side of the second conveying mechanism 3;

[0043] Among them, the upper surface of the support frame 8 is fixedly connected with a concave-shaped support plate 9, the upper surface of the concave-shaped support plate 9 is fixedly connected with a fixed plate 10, an arc-shaped chute 16 is opened on the upper surface of the fixed plate 10, and a servo motor 17 is fixedly installed in the concave part of the concave-shaped support plate 9;

[0044] Among them, the output end of the servo motor 17 is fixedly connected with a connecting shaft 15, the upper end of the connecting shaft 15 rotates through the upper surface of the fixed plate 10, and the upper end of the connecting shaft 15 is fixedly connected with a connecting plate 6;

[0045] Among them, two arc-shaped sliding plates 14 are fixedly connected to the lower surface of the connecting plate 6, and the lower ends of the two arc-shaped sliding plates 14 are both slidably connected to the arc-shaped sliding groove 16;

[0046] Among them, protective boxes 7 are fixedly connected to both the left and right sides of the connecting plate 6, and third cylinders 18 are fixedly installed inside the two protective boxes 7;

[0047] Among them, the telescopic ends of the two third cylinders 18 respectively slide through the lower surfaces of the corresponding protective boxes 7.

[0048] Furthermore, a rectangular mounting plate 24 is fixedly connected to the telescopic end of the third cylinder 18, and a first mounting groove 25 is formed on the lower surface of the rectangular mounting plate 24;

[0049] Among them, a fifth cylinder 27 is fixedly installed on the inner wall of the first mounting groove 25, and a circular push plate 23 is fixedly connected to the telescopic end of the fifth cylinder 27.

[0050] Furthermore, second mounting grooves 26 are formed on both the front and rear surfaces of the rectangular mounting plate 24, and fourth cylinders 19 are fixedly installed on the inner walls of the two second mounting grooves 26;

[0051] Among them, L-shaped connecting frames 20 are fixedly connected to the telescopic ends of the two fourth cylinders 19.

[0052] Furthermore, arc-shaped fixing plates 22 are fixedly installed on the opposite surfaces of the two L-shaped connecting frames 20, and the structures on the two third cylinders 18 are exactly the same and are arranged as left and right mirror images.

[0053] Furthermore, the fixing assembly includes two first cylinders 2, and the two first cylinders 2 are respectively fixedly installed on the left and right sides of the second conveying mechanism 3;

[0054] Among them, the telescopic ends of the two first cylinders 2 both slide into the inside of the second conveying mechanism 3.

[0055] Furthermore, fixing clamping plates 13 are fixedly connected to the telescopic ends of the two first cylinders 2, and rubber pads are fixedly connected to the opposite surfaces of the two fixing clamping plates 13.

[0056] Furthermore, the fixing assembly further includes four second cylinders 4, and the four second cylinders 4 are respectively fixedly installed on the left and right sides of the second conveying mechanism 3;

[0057] Among them, the telescopic ends of the four second cylinders 4 all slide into the inside of the second conveying mechanism 3.

[0058] Furthermore, mounting frames 12 are fixedly connected to the telescopic ends of the four second cylinders 4, and auxiliary rollers 11 are rotatably connected to the inner walls of the four mounting frames 12.

[0059] Furthermore, the first conveying mechanism 1 is fixedly installed on both the front and rear surfaces of the second conveying mechanism 3.

[0060] Furthermore, a third conveying mechanism 5 is arranged on the right side of the second conveying mechanism 3.

[0061] Furthermore, when using the filter screen installation device for dust removal equipment production, first start the two first conveying mechanisms 1, the second conveying mechanism 3 and the third conveying mechanism 5. The moving directions of the two first conveying mechanisms 1 and the second conveying mechanism 3 are both from back to front, and the moving direction of the third conveying mechanism 5 is from right to left;

[0062] Among them, then place the WD1S barrel dust collector on the first conveying mechanism 1 located at the front side, and the first conveying mechanism 1 located at the front side drives the WD1S barrel dust collector onto the second conveying mechanism 3;

[0063] Among them, then start the four second cylinders 4. The telescopic ends of the four second cylinders 4 push the four mounting brackets 12 to move, so that the multiple auxiliary rollers 11 are in contact with the left and right sides of the WD1S barrel dust collector, playing a role in limiting and assisting the movement of the WD1S barrel dust collector, and thus improving the stability of the WD1S barrel dust collector when entering and leaving the second conveying mechanism 3;

[0064] Among them, when the WD1S barrel dust collector moves below the barrel-shaped filter screen 21, stop the two first conveying mechanisms 1 and the second conveying mechanism 3;

[0065] Among them, start the two first cylinders 2 at the same time. The first cylinders 2 push the two fixed clamping plates 13 to move towards each other to fix the WD1S barrel dust collector;

[0066] Among them, then start the third cylinder 18. The telescopic end of the third cylinder 18 pushes the rectangular mounting plate 24 to move downward as a whole, and then drives the barrel-shaped filter screen 21 to move downward through the two arc-shaped fixing plates 22, so that the barrel-shaped filter screen 21 is sleeved on the mounting ring of the WD1S barrel dust collector;

[0067] Among them, then stop the third cylinder 18 and start the two fourth cylinders 19. The telescopic ends of the two fourth cylinders 19 drive the two arc-shaped fixing plates 22 to move away from each other through the two L-shaped connecting frames 20;

[0068] Among them, start the fifth cylinder 27 at the same time. The telescopic end of the fifth cylinder 27 pushes the circular push plate 23 to move downward. The circular push plate 23 is in contact with the upper surface of the barrel-shaped filter screen 21, and then pushes the barrel-shaped filter screen 21 to move downward, so that the barrel-shaped filter screen 21 is firmly clamped on the mounting ring of the WD1S barrel dust collector, and thus improves the installation stability of the barrel-shaped filter screen 21;

[0069] After installation, the fifth cylinder 27, the fourth cylinder 19 and the third cylinder 18 are reset. At the same time, the two first conveying mechanisms 1 and the second conveying mechanism 3 are started to drive the multiple barrel-shaped filter nets 21 to continue moving forward. When the WD1S barrel dust collector that needs to install the barrel-shaped filter net 21 next moves to the designated position, the two first conveying mechanisms 1 and the second conveying mechanism 3 are stopped;

[0070] Among them, the servo motor 17 is started at the same time. The output end of the servo motor 17 drives the connecting shaft 15 to rotate, and the connecting shaft 15 drives the connecting plate 6 to rotate 180°, so that the two protective boxes 7 exchange positions;

[0071] Among them, at this time, the third cylinder 18 that was originally on the right and is now on the left is started to install the barrel-shaped filter net 21;

[0072] Among them, at this time, the third cylinder 18 that was originally on the left and is now on the right is started at the same time to push the two arc-shaped fixing plates 22 to move. When the two arc-shaped fixing plates 22 move to the designated position, the third cylinder 18 is stopped. Then, the two fourth cylinders 19 are started to fix the barrel-shaped filter net 21 through the two L-shaped connecting frames 20. Then, the rectangular mounting plate 24 is reset;

[0073] Among them, the third conveying mechanism 5 is started at the same time to drive the barrel-shaped filter net 21 to move forward one position, thereby realizing the automatic feeding of the barrel-shaped filter net 21;

[0074] Among them, by setting the installation component, the automatic installation of the barrel-shaped filter net 21 can be realized. There is no need for staff to manually participate in the installation process of the barrel-shaped filter net 21. Only need to observe the installation of the barrel-shaped filter net 21 from the side, which reduces the labor pressure of the staff and thus improves the installation efficiency of the barrel-shaped filter net 21;

[0075] Among them, during the rotation of the connecting plate 6, the two arc-shaped sliding plates 14 will be driven to rotate on the inner wall of the arc-shaped sliding groove 16. The two arc-shaped sliding plates 14 and the arc-shaped sliding groove 16 play an auxiliary role in the overall rotation of the connecting plate 6, thereby improving the stability of the overall rotation of the connecting plate 6.

[0076] Structural description:

[0077] The first conveying mechanism 1: The first conveying mechanism 1 is used to move the WD1S barrel dust collector onto the second conveying mechanism 3 and convey the installed WD1S barrel dust collector to the next processing step.

[0078] The fixed clamping plate 13: The fixed clamping plate 13 is used to fix the WD1S barrel dust collector.

[0079] The first cylinder 2: The first cylinder 2 is used to push the fixed clamping plate 13 to move.

[0080] The auxiliary roller 11: The auxiliary roller 11 is used to assist the WD1S barrel dust collector to move.

[0081] The mounting bracket 12: The mounting bracket 12 is used for the installation of the auxiliary roller 11.

[0082] The second cylinder 4: The second cylinder 4 is used to push the mounting bracket 12 to move.

[0083] The servo motor 17: The servo motor 17 is used to drive the connecting shaft 15 to rotate.

[0084] The connecting shaft 15: The connecting shaft 15 is used to drive the connecting plate 6 to rotate.

[0085] The arc-shaped sliding plate 14: The arc-shaped sliding plate 14 plays an auxiliary role in the rotation of the connecting plate 6 in cooperation with the arc-shaped sliding groove 16.

[0086] The protective box 7: The protective box 7 plays a protective role for the third cylinder 18.

[0087] The third cylinder 18: The third cylinder 18 is used to push the rectangular mounting plate 24 to move up and down.

[0088] The arc-shaped fixing plate 22: The arc-shaped fixing plate 22 is used to fix the barrel-shaped filter net 21.

[0089] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filter screen installation device for dust removal equipment production, characterized in that: include: A second conveying mechanism (3) and a barrel-shaped filter screen (21); A fixing component, the fixing component being arranged on the second conveying mechanism (3); An installation component, the installation component is arranged on the second conveying mechanism (3), the installation component comprises a support frame (8), and the support frame (8) is fixedly connected to the right side of the second conveying mechanism (3); The upper surface of the support frame (8) is fixedly connected to a concave support plate (9), the upper surface of the concave support plate (9) is fixedly connected to a fixing plate (10), an arc-shaped slide groove (16) is provided on the upper surface of the fixing plate (10), and a servo motor (17) is fixedly installed at the concave portion of the concave support plate (9); The output end of the servo motor (17) is fixedly connected to a connecting shaft (15), the upper end of the connecting shaft (15) rotates to penetrate the upper surface of the fixed plate (10), and the upper end of the connecting shaft (15) is fixedly connected to a connecting plate (6); Wherein, two arc-shaped slide plates (14) are fixedly connected to the lower surface of the connecting plate (6), and the lower ends of the two arc-shaped slide plates (14) are slidably connected to the arc-shaped slide grooves (16); Wherein, the left and right sides of the connecting plate (6) are fixedly connected to the protection boxes (7), and the interiors of the two protection boxes (7) are fixedly installed with third cylinders (18); The telescopic ends of the two third cylinders (18) respectively slide through the lower surface of the corresponding protection box (7).

2. A filter screen installation device for dust removal equipment production according to claim 1, characterized in that: The telescopic end of the third cylinder (18) is fixedly connected to a rectangular mounting plate (24), and a first mounting groove (25) is formed on the lower surface of the rectangular mounting plate (24); A fifth cylinder (27) is fixedly mounted on the inner wall of the first mounting groove (25), and a circular push plate (23) is fixedly connected to the telescopic end of the fifth cylinder (27).

3. A filter screen installation device for dust removal equipment production according to claim 2, characterized in that: The front and rear surfaces of the rectangular mounting plate (24) are both provided with second mounting grooves (26), and the inner walls of the two second mounting grooves (26) are both fixedly mounted with fourth cylinders (19); The telescopic ends of the two fourth cylinders (19) are both fixedly connected to an L-shaped connecting frame (20).

4. A filter screen installation device for dust removal equipment production according to claim 3, characterized in that: The opposite surfaces of the two L-shaped connecting frames (20) are fixedly mounted with arc-shaped fixing plates (22), and the structures on the two third cylinders (18) are completely identical and are arranged in a left-right mirror image.

5. The filter screen installation device for dust removal equipment production according to claim 1, characterized in that: The fixing assembly comprises two first cylinders (2), and the two first cylinders (2) are respectively fixedly mounted on the left and right sides of the second conveying mechanism (3); The telescopic ends of the two first cylinders (2) are slidably inserted into the interior of the second conveying mechanism (3).

6. A filter screen installation device for dust removal equipment production according to claim 5, characterized in that: The telescopic ends of the two first cylinders (2) are both fixedly connected to fixed clamping plates (13), and the opposite surfaces of the two fixed clamping plates (13) are both fixedly connected to rubber pads.

7. A filter screen installation device for dust removal equipment production according to claim 1, characterized in that: The fixing assembly further comprises four second cylinders (4), and the four second cylinders (4) are respectively fixedly mounted on the left and right sides of the second conveying mechanism (3); The telescopic ends of the four second cylinders (4) all slide and penetrate into the interior of the second conveying mechanism (3).

8. A filter screen installation device for dust removal equipment production according to claim 7, characterized in that: The telescopic ends of the four second cylinders (4) are all fixedly connected to a mounting frame (12), and the inner walls of the four mounting frames (12) are all rotatably connected to auxiliary rollers (11).

9. A filter screen installation device for dust removal equipment production according to claim 1, characterized in that: The first conveying mechanism (1) is fixedly mounted on the front and rear surfaces of the second conveying mechanism (3).

10. A filter screen installation device for dust removal equipment production according to claim 1, characterized in that: A third conveying mechanism (5) is arranged on the right side of the second conveying mechanism (3).