Negative pressure ventilation device for battery manufacturing

By introducing a dual filtration system of dust filter plate and activated carbon filter plate into the negative pressure ventilation device for battery manufacturing, and using a servo motor to realize automatic replacement of filter plates and optimize air flow, the problem of time-consuming replacement of filter plates in the prior art is solved, and production efficiency and air quality control are improved.

CN223307053UActive Publication Date: 2025-09-05CAOEJIANG ENERGY STORAGE SYSTEM TECHNOLOGY (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202422710339.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-09-05
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

The existing negative pressure ventilation device for battery manufacturing needs to be shut down when replacing the filter plate, which increases the difficulty of operation and manual labor and reduces production efficiency.

Method used

The dual filtration system is adopted with a dust filter plate and activated carbon filter plate, and the automatic replacement of the filter plate is achieved through the servo motor driving the rotating rod. Combined with the servo motor to adjust the rotation of the threaded rod and the frame, optimize the air flow path, and provide a user-friendly operating interface.

Benefits of technology

It improves the air quality control effect, reduces downtime, simplifies the filter plate replacement process, reduces operation difficulty and manual labor, enhances the adaptability and flexibility of the equipment, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of negative pressure ventilation devices, and discloses a negative pressure ventilation device for battery manufacturing, which comprises a box body, a first servo motor is arranged in the middle of the upper end in the box body, and the output end of the first servo motor is fixedly connected with a rotating rod. And connecting blocks are fixedly connected to the upper end and the lower end of the outer portion of the rotating rod at equal intervals, fixing frames are fixedly connected to the end faces of one sides of the multiple connecting blocks, and dust filtering plates are arranged in the fixing frames at the upper ends. When the device is used, dust and harmful gas in air are effectively removed through double filtration of the dust filter plate and the activated carbon filter plate, the air quality is guaranteed, the first servo motor is used for driving the rotating rod to achieve automatic replacement of the filter plate, the downtime is shortened, and the working efficiency is improved; meanwhile, a worker can quickly replace the old filter plate by pulling the pressing plate, so that the operation difficulty and the physical labor are reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of negative pressure ventilation devices, in particular to a negative pressure ventilation device for battery manufacturing. Background Art

[0002] During the battery manufacturing process, a large amount of harmful gases, such as hydrogen and acid mist, will be generated inside the manufacturing workshop. At the same time, various fine dust particles will be suspended in the air. If these harmful substances and dust are not discharged in time, they will pose a threat to employee health and affect product quality. Therefore, it is necessary to use a special negative pressure ventilation device for battery manufacturing to effectively collect and filter these pollutants to ensure the cleanliness of the air in the workshop and the safety production standards of the production environment.

[0003] In the prior art, most negative pressure ventilation devices used in battery manufacturing are equipped with a filter plate inside. The negative pressure fan in the box is used to draw air into the box and remove dust and harmful gases through the filter plate. However, when replacing the filter plate, it is usually necessary to shut down the device first and then use tools such as wrenches and screwdrivers to remove the filter plate. This process is time-consuming, increases the downtime of the device, and thus reduces production efficiency. At the same time, the staff need to perform complex operations, which not only increases the difficulty of the work, but also increases the physical labor.

[0004] Therefore, those skilled in the art provide a negative pressure ventilation device for battery manufacturing to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the present utility model is to solve the shortcomings of the prior art and to propose a negative pressure ventilation device for battery manufacturing. When in use, the device effectively removes dust and harmful gases in the air through double filtration of the dust filter plate and the activated carbon filter plate, thereby ensuring the air quality. The first servo motor is used to drive the rotating rod to realize automatic replacement of the filter plate, thereby reducing downtime and improving work efficiency. At the same time, the staff can quickly replace the old filter plate by pressing the pressure plate, thereby reducing the difficulty of operation and physical labor.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A negative pressure ventilation device for battery manufacturing, comprising a box body, a first servo motor is provided at the middle of the upper end of the interior of the box body, the output end of the first servo motor is fixedly connected to a rotating rod, the upper and lower ends of the exterior of the rotating rod are evenly fixedly connected to connecting blocks, one side end surface of each of the connecting blocks is fixedly connected to a fixing frame, a dust filter plate is provided inside the upper end of the fixing frame, an activated carbon filter plate is provided inside the lower end of the fixing frame, a connecting rod is fixedly connected to the middle of the outer upper end of each of the fixing frames, a pressure plate is rotatably connected to the exterior of each of the connecting rods, and torsion springs are sleeved on both sides of the exterior of each of the connecting rods;

[0008] The middle part of the upper end of the box is fixedly connected to a support plate, a second servo motor is provided on one side of the lower end of the support plate, an output end of the second servo motor is fixedly connected to a threaded rod, an external thread of the threaded rod is provided with a threaded barrel, the upper end of the threaded barrel is fixedly connected to a lifting plate, a third servo motor is provided in the middle of the inner part of the lifting plate, the output end of the third servo motor is fixedly connected to a frame, an air inlet bellows is fixedly connected to the middle part of one side of the upper end of the box, an air outlet shell is fixedly connected to the middle part of one side of the lower end of the box, a negative pressure fan is provided in the middle part of the lower end of the box, and a vent is opened in the middle part of one side of the inner part of the box;

[0009] Through the above technical solution, when the device is in use, the dust and harmful gases in the air are effectively removed through the dual filtration of the dust filter plate and the activated carbon filter plate, thereby ensuring the air quality. The first servo motor is used to drive the rotating rod to realize the automatic replacement of the filter plate, thereby reducing downtime and improving work efficiency. At the same time, the staff can quickly replace the old filter plate by pressing the pressure plate, thereby reducing the difficulty of operation and physical labor.

[0010] Furthermore, one end of the plurality of torsion springs extends into the interior of the pressure plate, and the other end of the plurality of torsion springs extends into the interior of the fixing frame;

[0011] Through the above technical solution, the fixing stability and automatic reset capability of the pressure plate can be effectively enhanced, making the operation of the filter plate easier during replacement.

[0012] Furthermore, the upper end of the vent corresponds to the air inlet bellows, the lower end of the vent corresponds to the air outlet housing, the fixing frame on one side is inside the vent, and one end of the negative pressure fan is connected to the air outlet housing;

[0013] Through the above technical solution, the air flow path is optimized, ensuring that the air is discharged after double filtration, improving the effect of air quality control, and enhancing the overall performance of the equipment.

[0014] Furthermore, the upper end of the air inlet bellows extends into the interior of the frame and is fixed;

[0015] Through the above technical solution, the rotation of the frame can simultaneously drive the upper end of the air inlet bellows to rotate, thereby achieving ventilation at different angles and improving adaptability and flexibility.

[0016] Furthermore, a guide post is fixedly connected to one side of the lower end of the lifting plate, and the guide post extends into the interior of the support plate and is slidably connected thereto;

[0017] Through the above technical solution, the lifting plate can be lifted and lowered smoothly, friction and wear are reduced, the service life of the equipment is extended, and the convenience and safety of operation are improved.

[0018] Furthermore, a door is rotatably connected to the middle of one end surface of the box body, and a handle is fixedly connected to one side of one end surface of the door;

[0019] The above technical solution facilitates the maintenance and cleaning of the equipment, allowing staff to quickly and safely replace the filter plates and perform other necessary maintenance operations.

[0020] Furthermore, a control panel is provided at a corner of one end surface of the box;

[0021] Through the above technical solution, a user-friendly operation interface is provided, making the operation of the equipment more intuitive and simple, thereby improving production efficiency and user experience.

[0022] Furthermore, handles are fixedly connected to the middle parts of both sides of the upper ends of the plurality of dust filter plates and activated carbon filter plates;

[0023] Through the above technical solution, it is convenient for workers to take out the filter plate, which simplifies the filter plate replacement process, reduces the difficulty of operation and physical labor, and also improves the replacement efficiency and safety.

[0024] The utility model has the following beneficial effects:

[0025] 1. The utility model proposes a negative pressure ventilation device for battery manufacturing. When in use, the device performs double filtration through a dust filter plate and an activated carbon filter plate, effectively removing dust and harmful gases in the air entering the interior of the box, ensuring continuous optimization of air quality during ventilation. When the filter plate has been used for a long time and its performance has declined, the first servo motor drives the rotating rod to automatically replace the unused filter plate, reducing equipment downtime and improving work efficiency.

[0026] 2. The utility model proposes a negative pressure ventilation device for battery manufacturing. When the device is in use, the unused filter plate is moved to the ventilation port opened inside the box for filtering, and the used filter plate can be moved to the other side of the box. At this time, the staff only needs to open the box door, press the pressure plates on both sides and lift out the old filter plate to quickly replace it, thereby simplifying the replacement process and reducing the difficulty of operation and physical labor.

[0027] 3. The utility model proposes a negative pressure ventilation device for battery manufacturing. When in use, the second servo motor adjusts the threaded rod so that the height of the air inlet bellows can be flexibly raised and lowered, while the third servo motor controls the rotation of the frame to achieve precise adjustment of the angle of the pipe mouth. The height and direction of the pipe mouth can be easily adjusted according to different working environments and needs, effectively eliminating dead corners of air flow and significantly improving air quality, thereby ensuring good ventilation effects under various working conditions and greatly enhancing the adaptability and flexibility of the production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is an axonometric diagram of a negative pressure ventilation device for battery manufacturing proposed in the utility model;

[0029] Figure 2 This is an axonometric diagram of the fixed frame of a negative pressure ventilation device for battery manufacturing proposed in the utility model;

[0030] Figure 3 This is a front cross-sectional view of a negative pressure ventilation device for battery manufacturing proposed by the present invention;

[0031] Figure 4 This is a side sectional view of a negative pressure ventilation device for battery manufacturing proposed by the present invention;

[0032] Figure 5 This is a schematic diagram of the internal structure of a fixed frame of a negative pressure ventilation device for battery manufacturing proposed by the present invention.

[0033] Legend:

[0034] 1. Box body; 2. First servo motor; 3. Rotating rod; 4. Connecting block; 5. Fixed frame; 6. Dust filter plate; 7. Activated carbon filter plate; 8. Handle; 9. Connecting rod; 10. Pressing plate; 11. Support plate; 12. Second servo motor; 13. Threaded rod; 14. Threaded barrel; 15. Lifting plate; 16. Third servo motor; 17. Frame; 18. Air inlet bellows; 19. Ventilation port; 20. Air outlet housing; 21. Negative pressure fan; 22. Guide column; 23. Control panel; 24. Box door; 25. Handle; 26. Torsion spring. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the specific embodiments of the present invention to clearly and completely describe the technical solutions in the specific embodiments of the present invention. Obviously, the specific embodiments described are only part of the specific embodiments of the present invention, not all of the specific embodiments. Based on the specific embodiments of the present invention, all other specific embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] Reference Figure 1-5 , the utility model provides a specific embodiment: a negative pressure ventilation device for battery manufacturing, including a box body 1, a first servo motor 2 is provided in the middle of the upper end of the interior of the box body 1, the output end of the first servo motor 2 is fixedly connected to a rotating rod 3, the upper and lower ends of the exterior of the rotating rod 3 are evenly fixedly connected with connecting blocks 4, one side end faces of multiple connecting blocks 4 are fixedly connected to a fixing frame 5, the interior of the upper fixing frame 5 is provided with a dust filter plate 6, the interior of the lower fixing frame 5 is provided with an activated carbon filter plate 7, the middle of the outer upper end of the interior of the multiple fixing frames 5 is fixedly connected to a connecting rod 9, the exterior of the multiple connecting rods 9 is rotatably connected to a pressure plate 10, and both sides of the exterior of the multiple connecting rods 9 are sleeved with torsion springs 26;

[0037] A support plate 11 is fixedly connected to the middle part of the upper end of the box body 1, and a second servo motor 12 is provided on one side of the lower end of the support plate 11. A threaded rod 13 is fixedly connected to the output end of the second servo motor 12. The external thread of the threaded rod 13 is provided with a threaded barrel 14. The upper end of the threaded barrel 14 is fixedly connected to a lifting plate 15. A third servo motor 16 is provided in the middle part of the inner part of the lifting plate 15. The output end of the third servo motor 16 is fixedly connected to a frame 17. An air inlet bellows 18 is fixedly connected to the middle part of one side of the upper end of the box body 1, and an air outlet shell 20 is fixedly connected to the middle part of one side of the lower end of the box body 1. A negative pressure fan 21 is provided in the middle part of the lower end of the box body 1, and a vent 19 is opened in the middle part of one side of the inner part of the box body 1.

[0038] When the device is in use, the dust and harmful gases in the air are effectively removed through the dual filtration of the dust filter plate 6 and the activated carbon filter plate 7, thereby ensuring the air quality. The first servo motor 2 is used to drive the rotating rod 3 to realize the automatic replacement of the filter plate, thereby reducing downtime and improving work efficiency. At the same time, the staff can quickly replace the old filter plate by pressing the pressure plate 10, thereby reducing the difficulty of operation and physical labor.

[0039] One end of the plurality of torsion springs 26 extends into the interior of the pressure plate 10, and the other end of the plurality of torsion springs 26 extends into the interior of the fixing frame 5, which can effectively enhance the fixing stability and automatic reset ability of the pressure plate 10, making the filter plate easier to operate during replacement. The upper end of the vent 19 corresponds to the air inlet bellows 18, and the lower end of the vent 19 corresponds to the air outlet shell 20. One side of the fixing frame 5 is inside the vent 19, and one end of the negative pressure fan 21 is connected to the air outlet shell 20, which optimizes the air flow path and ensures that the air is discharged after double filtration, improves the air quality control effect, and enhances the overall performance of the equipment. The upper end of the air inlet bellows 18 extends into the interior of the frame 17 and is fixed, so that the rotation of the frame 17 can simultaneously drive the upper end of the air inlet bellows 18 to rotate, thereby achieving ventilation at different angles and improving adaptability and flexibility. One side of the lower end of the lifting plate 15 is fixedly connected to a guide column 22, and the guide column 2 2 extends into the interior of the support plate 11 and is slidably connected thereto, thereby realizing the smooth lifting and lowering of the lifting plate 15, reducing friction and wear, extending the service life of the equipment, and also improving the convenience and safety of operation. A box door 24 is rotatably connected to the middle part of one end face of the box body 1, and a handle 25 is fixedly connected to one side of the end face of one side of the box door 24, which facilitates the maintenance and cleaning of the equipment, so that the staff can quickly and safely replace the filter plate and perform other necessary maintenance operations. A control panel 23 is provided at a corner of one end face of the box body 1, providing a user-friendly operation interface, making the operation of the equipment more intuitive and simple, thereby improving production efficiency and user experience. A plurality of dust filter plates 6 and activated carbon filter plates 7 are fixedly connected to the middle parts of both sides of the upper end, which makes it convenient for the staff to take out the filter plates, simplifies the replacement process of the filter plates, reduces the difficulty of operation and physical labor, and also improves the replacement efficiency and safety.

[0040] Working principle: When the device is in use, the staff places it at a certain location in the battery manufacturing workshop and extends one end of the negative pressure fan 21 to the outside of the workshop, and then controls the operation of the negative pressure fan 21 through the control panel 23, so that the air in the workshop enters the interior of the box body 1 through the air inlet bellows 18, and is discharged after being double filtered by the dust filter plate 6 and the activated carbon filter plate 7. While it is ventilating, the threaded rod 13 is adjusted by the second servo motor 12 to realize the highly flexible lifting and lowering of the air inlet bellows 18. The third servo motor 16 controls the rotation of the frame 17 to accurately adjust the angle of the pipe mouth to adapt to different working environments and needs, eliminate air flow dead corners, and improve air quality. When the filter plate has been used for a long time and its performance has declined, the first servo motor 2 drives the rotating rod 3 to automatically replace the unused filter plate, reducing equipment downtime and improving work efficiency. At this time, the staff only needs to open the box door 24, press the pressure plates 10 on both sides and lift out the old filter plate to quickly replace it, which simplifies the replacement process and reduces the difficulty of operation and physical labor.

[0041] Finally, it should be noted that the above is only a preferred specific implementation method of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned specific implementation methods, those skilled in the art can still modify the technical solutions described in the aforementioned specific implementation methods or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A negative pressure ventilation device for battery manufacturing, comprising a box (1), characterized in that: A first servo motor (2) is provided at the middle of the upper end of the interior of the box (1); the output end of the first servo motor (2) is fixedly connected to a rotating rod (3); the upper and lower ends of the exterior of the rotating rod (3) are evenly spaced and fixedly connected to connecting blocks (4); one end surface of each of the connecting blocks (4) is fixedly connected to a fixing frame (5); a dust filter plate (6) is provided inside the upper fixing frame (5); an activated carbon filter plate (7) is provided inside the lower fixing frame (5); a connecting rod (9) is fixedly connected to the middle of the outer side of the upper end of each of the fixing frames (5); the exterior of each of the connecting rods (9) is rotatably connected to a pressure plate (10); and torsion springs (26) are sleeved on both sides of the exterior of each of the connecting rods (9); The middle of the upper end of the box body (1) is fixedly connected to a support plate (11), a second servo motor (12) is provided on one side of the lower end of the support plate (11), an output end of the second servo motor (12) is fixedly connected to a threaded rod (13), an external thread of the threaded rod (13) is provided with a threaded barrel (14), an upper end of the threaded barrel (14) is fixedly connected to a lifting plate (15), a third servo motor (16) is provided on the middle of the inner part of the lifting plate (15), an output end of the third servo motor (16) is fixedly connected to a frame (17), an air inlet bellows (18) is fixedly connected to the middle of one side of the upper end of the box body (1), an air outlet shell (20) is fixedly connected to the middle of one side of the lower end of the box body (1), a negative pressure fan (21) is provided on the middle of the lower end of the box body (1), and a ventilation opening (19) is provided on the middle of one side of the inner part of the box body (1).

2. A negative pressure ventilation device for battery manufacturing according to claim 1, characterized in that: One end of the plurality of torsion springs (26) extends into the interior of the pressure plate (10), and the other end of the plurality of torsion springs (26) extends into the interior of the fixed frame (5).

3. A negative pressure ventilation device for battery manufacturing according to claim 1, characterized in that: The upper end of the vent (19) corresponds to the air inlet bellows (18), and the lower end of the vent (19) corresponds to the air outlet housing (20). The fixing frame (5) on one side is inside the vent (19), and one end of the negative pressure fan (21) is connected to the air outlet housing (20).

4. A negative pressure ventilation device for battery manufacturing according to claim 1, characterized in that: The upper end of the air inlet bellows (18) extends into the interior of the frame (17) and is fixed.

5. The negative pressure ventilation device for battery manufacturing according to claim 1, characterized in that: A guide post (22) is fixedly connected to one side of the lower end of the lifting plate (15), and the guide post (22) extends into the interior of the support plate (11) and is slidably connected thereto.

6. A negative pressure ventilation device for battery manufacturing according to claim 1, characterized in that: A box door (24) is rotatably connected to the middle of one end surface of the box body (1), and a handle (25) is fixedly connected to one side of one end surface of the box door (24).

7. The negative pressure ventilation device for battery manufacturing according to claim 1, characterized in that: A control panel (23) is provided at a corner of one end surface of the box body (1).

8. The negative pressure ventilation device for battery manufacturing according to claim 1, characterized in that: The middle parts of both sides of the upper ends of the plurality of dust filter plates (6) and activated carbon filter plates (7) are fixedly connected with handles (8).