Air blowing device capable of preventing edge curling of wound core
By blowing air onto the ends of the electrodes during transport, and utilizing an air blowing device and conduit system, the problems of electrode curling and folding are solved, enabling parallel transport of the electrodes, avoiding damage, and improving production efficiency and product quality.
Patent Information
- Application Number
- CN202520233483.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Electrodes are easily damaged during winding and transportation due to end folding, and existing technologies cannot effectively avoid this situation.
Design an anti-rolling and edge-blowing air blowing device. When the electrode is driven by the transmission roller, air is blown on the upper and lower surfaces of its end. The connecting channel and conduit system ensures that the electrode is transported in parallel, avoiding edge rolling and folding.
This effectively prevents damage to the electrode sheets caused by curling or folding during the conveying process, ensures parallel conveying of the electrode sheets, and improves production efficiency and product quality.
Smart Images

Figure CN223743682U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of battery cell manufacturing technology, and in particular to an air blowing device for preventing battery cell curling and edge rolling. Background Technology
[0002] A battery cell winding machine is a production process that controls factors such as the speed, tension, size, and deviation of the electrode sheets to wind slits of matching sizes, along with separators and termination tapes, into battery cores. The main components of the winding machine include positive and negative electrode feeding units, winding needles, an active unwinding system for the electrode sheets and separators, an automatic deviation correction system, and a tension detection and control system. However, during winding and transportation, the ends of the electrode sheets may become tangled, which can lead to end folding and damage during transport. Utility Model Content
[0003] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention may be realized and obtained by means of the structures particularly pointed out in the description and other accompanying drawings.
[0004] The purpose of this invention is to overcome the above-mentioned shortcomings and provide an air blowing device to prevent core curling, so as to solve the existing problems.
[0005] To achieve the above objectives, the technical solution of this utility model is: an anti-rolling core edge blowing device, including a winding and conveying device, the winding and conveying device including a mounting base, the top of the mounting base is provided with a plurality of conveying rollers, the side wall of the mounting base is provided with a connecting channel, one end of the connecting channel is connected to an air blowing device, the other end is disposed between the conveying rollers through a first conduit, the connecting channel is also connected to a second conduit, the second conduit is located outside the conveying rollers.
[0006] In some embodiments, the second duct outlet is provided with a trapezoidal air outlet.
[0007] In some embodiments, the second conduit is bamboo-shaped.
[0008] In some embodiments, the first conduit is provided with a first on / off valve.
[0009] In some embodiments, the second conduit is provided with a second on / off valve.
[0010] In some embodiments, a rotating plate is provided at the outlet of the trapezoidal air outlet, and a magnetic block is provided on the side wall of the trapezoidal air outlet, the magnetic block being connected to the rotating plate.
[0011] By adopting the above technical solution, the beneficial effects of this utility model are: when the machine is running and the air blowing device is connected through the connecting channel, the upper and lower surfaces of the electrode end can be blown with air to ensure that the electrode is parallel and will not curl. This can avoid the situation of folding and damage during transmission.
[0012] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure.
[0013] Undoubtedly, such and other objects of this invention will become more apparent after the following detailed description of the preferred embodiments, which are illustrated in various accompanying drawings and illustrations.
[0014] To make the above and other objects, features and advantages of this utility model more apparent and understandable, one or more preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description
[0015] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.
[0016] In the accompanying drawings, the same parts use the same reference numerals, and the drawings are schematic and not necessarily drawn to actual scale.
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only one or more embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on such drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the air blowing device according to some embodiments of the present invention;
[0019] Figure 2 This is a schematic diagram of the trapezoidal air outlet head according to some embodiments of the present invention. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.
[0021] Furthermore, it should be understood in the description of this utility model that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0022] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral unit; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. However, specifying a direct connection indicates that the two main bodies at the connection point are not connected through a transitional structure, but are simply connected to form a whole through a connecting structure. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0023] In this utility model, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0024] The specific embodiments of this utility model are described below with reference to the accompanying drawings.
[0025] Reference Figure 1-2 This utility model provides an air blowing device for preventing core curling, including a winding and conveying device 1. The winding and conveying device 1 includes a mounting base 2. The top of the mounting base 2 is provided with a plurality of conveying rollers 21. The side wall of the mounting base 2 is provided with a connecting channel 22. One end of the connecting channel 22 is connected to an air blowing device, and the other end is disposed between the conveying rollers 21 through a first conduit 23. The connecting channel 22 is also connected to a second conduit 3, which is located outside the conveying rollers 21.
[0026] When the machine is running and the transmission roller 21 is used to drive the electrode sheet, the air blowing device connected by the connecting channel 22 can blow air on the upper and lower sides of the electrode sheet to ensure that the electrode sheet is parallel and does not curl. This can avoid folding and damage during transmission.
[0027] According to some embodiments of this utility model, optionally, the air outlet end of the second conduit 3 is provided with a trapezoidal air outlet head 31. This facilitates large-area air blowing and avoids edge curling.
[0028] According to some embodiments of this utility model, optionally, the second conduit 3 is bamboo-shaped. This allows for adjustment of the conduit's angle.
[0029] According to some embodiments of this utility model, optionally, the first conduit 23 is provided with a first on / off valve 24, which can control the air volume of the first conduit 23.
[0030] According to some embodiments of this utility model, optionally, the second conduit 3 is provided with a second on / off valve 32. This allows control of the airflow rate of the second conduit 3.
[0031] According to some embodiments of this utility model, optionally, a rotating plate 33 is provided at the outlet of the trapezoidal air outlet 31, and a magnetic block 34 is provided on the side wall of the trapezoidal air outlet 31. The magnetic block 34 is connected to the rotating plate 33. By rotating the magnetic block 34, the rotating plate 33 can be driven to rotate, which can adjust the air outlet angle of the air outlet. Then, the magnetic block 34 can be attracted to the side wall of the air outlet for fixation. The air outlet is made of metal.
[0032] It should be understood that the embodiments disclosed herein are not limited to the specific processing steps or materials disclosed herein, but should be extended to equivalent substitutions of such features as understood by those skilled in the art. It should also be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.
[0033] The term "embodiment" in this specification refers to a specific feature or characteristic described in connection with an embodiment that is included in at least one embodiment of the present invention. Therefore, phrases or "embodiments" appearing in various places throughout the specification do not necessarily refer to the same embodiment.
[0034] Furthermore, the described features or characteristics may be incorporated into one or more embodiments in any other suitable manner. In the above description, specific details, such as thickness, quantity, etc., are provided to provide a comprehensive understanding of embodiments of the present invention. However, those skilled in the art will understand that the present invention can be implemented without the aforementioned one or more specific details or may be implemented using other methods, components, materials, etc.
Claims
1. A core end curl preventing air blowing device characterized by comprising: The application relates to a winding conveying device, which comprises a mounting seat, the top of the mounting seat is provided with a plurality of conveying rollers, the side wall of the mounting seat is provided with a connecting channel, one end of the connecting channel is connected with blowing equipment, the other end of the connecting channel is provided between the conveying rollers through a first pipeline, the connecting channel is also connected with a second pipeline, and the second pipeline is located outside the conveying rollers. The second pipeline is provided with a trapezoidal air outlet head at an air outlet end.
2. The curling prevention edge blow device according to claim 1, characterized by: The second pipeline is in a bamboo joint shape.
3. The curling prevention edge blow device according to claim 1, characterized by: A first on-off valve is arranged on the first pipeline.
4. The curling prevention edge blow device according to claim 1, characterized by: A second on-off valve is arranged on the second pipeline.
5. The curling prevention edge blow device according to claim 1, characterized by: A rotating plate is arranged at an outlet of the trapezoidal air outlet head, and a magnetic block is arranged on the side wall of the trapezoidal air outlet head and connected with the rotating plate.
6. The curling prevention edge blow device according to claim 1, characterized by: