Core pressing piece and battery manufacturing tool thereof

Abstract

The utility model relates to the field of battery cell manufacturing, in particular to a cell pressing piece and a battery manufacturing tool thereof, the cell pressing piece comprises an air pipe, a pressing plate is arranged on the air pipe, an air channel is arranged in the air pipe, the air channel is communicated with the pressing plate, a pressing head is arranged below the pressing plate, a dust removal opening is formed in the circumferential direction of the pressing head, and the dust removal opening is communicated with the air channel. Due to the fact that the dust removal openings are formed in the side face of the core pressing piece, the dust removal openings can make more direct contact with the position, where metal dust is generated, of a groove path, the dust removal efficiency is improved, and dust on the inner wall of a dust removal pipeline can be effectively prevented from flowing back into a steel shell through the dust removal openings formed in the side face. By means of the design, the stability of the dust removal system can be better kept.

Description

Technical Field

[0001] The utility model relates to the field of battery cell manufacturing, in particular to a core pressing component and a battery manufacturing tooling thereof. Background Art

[0002] During the production process of a battery, a core pressing component is usually used to limit a wound core inside a battery case. However, during the process of rolling groove forming, the deformation of the groove path will cause metal dust to be generated in the inner and outer regions of the groove path. The existence of these metal dust has an adverse effect on the chemical properties of the battery cell. Especially due to the deformation of the groove path during the rolling groove process, the dust removal ports on the bottom core pressing component cannot effectively remove these dusts, thus the best chemical properties of the battery cell cannot be guaranteed. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a core pressing component and a battery manufacturing tooling thereof for the problem existing in the background art that during the rolling groove process, due to the deformation of the groove path, the dust removal ports on the bottom core pressing component cannot effectively remove these dusts, thus the best chemical properties of the battery cell cannot be guaranteed.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] A core pressing component, which includes an air pipe. A pressing plate is arranged on the air pipe. An air passage is arranged inside the air pipe. The air passage is communicated with the pressing plate. A pressing head is arranged below the pressing plate. Dust removal ports are arranged circumferentially on the pressing head. Each dust removal port is communicated with the air passage.

[0006] The utility model is a core pressing component. By arranging dust removal ports on the side of the core pressing component, the dust removal ports can more directly contact the position where the groove path generates metal dust, thereby improving the dust removal efficiency. And the arrangement of the side dust removal ports can effectively prevent the dust on the inner wall of the dust removal pipeline from flowing back into the steel shell, and this design can better maintain the stability of the dust removal system.

[0007] As a preferred scheme of the utility model, the opening direction of the air passage is perpendicular to the opening direction of the dust removal ports. Such a setting makes the dust not fall out from the dust removal ports, ensuring the dust removal efficiency.

[0008] As a preferred scheme of the utility model, an air extraction device is arranged at one end of the air passage connected to the dust removal ports. Through the air extraction device, the dust in the shell can be discharged successively through the dust removal ports and the air passage.

[0009] As a preferred scheme of the utility model, a groove is vertically arranged in the middle of the pressing head. The groove is communicated with each dust removal port and the air passage. Such a setting makes the dust removal ports communicate with the air passage through the groove, facilitating the dust to enter from the dust removal ports and then be discharged from the air passage.

[0010] As a preferred embodiment of the present utility model, the dust removal port is configured to be wedge-shaped, and the opening size of the end of the dust removal port located inside the pressure head is smaller than the opening size of the end of the dust removal port located outside the pressure head. Such a setting increases the flow rate of the gas and improves the dust removal effect.

[0011] As a preferred embodiment of the present utility model, a limiting groove is provided at one end of the pressure head away from the pressing plate, and such a setting is used to connect the battery.

[0012] As a preferred embodiment of the present utility model, the pressure head is a plastic structural member, and such a setting has an insulating effect.

[0013] As a preferred embodiment of the present utility model, a urethane rubber structure is provided outside the pressure head, and such a setting has an insulating effect.

[0014] As a preferred embodiment of the present utility model, the trachea body is a steel structural member, and such a setting improves the structural strength of the trachea.

[0015] As a preferred embodiment of the present utility model, the trachea body is an alloy structural member, and such a setting improves the structural strength of the trachea.

[0016] A battery manufacturing tooling includes a core pressing member as described above. The cylindrical battery includes a housing, and a rolling groove is provided outside the housing. The center point of the groove path of the rolling groove is aligned with the opening of the dust removal port.

[0017] The present utility model is a battery manufacturing tooling. By applying the dust removal core pressing member to the battery, the dust removal effect and cleanliness during the battery manufacturing process can be effectively guaranteed. By aligning the dust removal port with the center point of the groove path of the rolling groove, it is ensured that the dust removal port can directly suck out the metal dust and other non-metal dust generated by the rolling groove, effectively preventing these impurities from interfering with the battery manufacturing process. Such a design not only improves the manufacturing quality and safety of the battery, reduces the quality risks during the battery manufacturing process, but also extends the service life of the battery, enhancing the economy and reliability of the battery.

[0018] As a preferred embodiment of the present utility model, the battery includes a wound core, a limiting groove is provided on the pressure head, and the wound core is located in the limiting groove, and such a setting enables the wound core to be better limited.

[0019] In summary, due to the adoption of the above technical solutions, the beneficial effects of the present utility model are as follows:

[0020] 1. The utility model relates to a core pressing part. By arranging a dust removal port on the side surface of the core pressing part, the dust removal port can more directly contact the position where metal dust is generated in the groove path, thereby improving the dust removal efficiency. Moreover, the arrangement of the side dust removal port can effectively prevent the dust on the inner wall of the dust removal pipeline from flowing back into the steel shell, and this design can better maintain the stability of the dust removal system.

[0021] 2. The utility model relates to a battery manufacturing tooling. By applying the dust removal core pressing part to the battery, the dust removal effect and cleanliness during the battery manufacturing process can be effectively guaranteed. By aligning the dust removal port with the center point of the groove path of the rolling groove, it is ensured that the dust removal port can directly suck out the metal dust and other non-metal dust generated by the rolling groove, effectively preventing these impurities from interfering with the battery manufacturing process. Such a design not only improves the manufacturing quality and safety of the battery, reduces the quality risk during the battery manufacturing process, but also prolongs the service life of the battery, enhancing the economy and reliability of the battery. Description of the Drawings

[0022] Figure 1 is a schematic structural diagram of the core pressing part of the utility model;

[0023] Figure 2 is a schematic cross-sectional structural diagram of the core pressing part of the utility model;

[0024] Figure 3 is a schematic cross-sectional structural diagram of the pressing head of the utility model.

[0025] Reference numerals: 1 - air pipe; 11 - air passage; 12 - pressing plate; 2 - pressing head; 21 - dust removal port; 22 - limiting groove; 23 - groove. Detailed Embodiment

[0026] The following will describe the utility model in detail with reference to the drawings.

[0027] In order to make the purpose, technical solution and advantages of the utility model clearer, the following will further describe the utility model in detail with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model.

[0028] Embodiment 1

[0029] As Figure 1-2 shown, a core pressing part includes a hollow air pipe 1. One end of the air pipe 1 is provided with an air extraction device, and the other end is provided with a pressing head 2. An air passage 11 is arranged in the air pipe 1, and the air passage 11 is communicated with the air extraction device. A plurality of dust removal ports 21 communicated with the air passage 11 are arranged circumferentially on the pressing head 2, and the inner wall of the rolling steel shell is dusted through the dust removal ports 21;

[0030] Further, the dust removal port 21 communicates with the air duct 11, and the dust removal port 21 and the air duct 11 are arranged in a perpendicular form.

[0031] As described above, the air pipe 1 includes a pressing plate 12, and is connected to the pressing head 2 through the pressing plate 12. A groove 23 is provided in the middle of the pressing head 2, and the groove 23 is vertically arranged and communicates with the air duct 11, and the periphery of the groove 23 communicates with each dust removal port 21, so that the air duct 11 and each dust removal port 21 can communicate with each other, improving the dust removal efficiency;

[0032] Further, the dust removal port 21 is a wedge-shaped structural member, and the end with the larger opening faces the outside, and the end with the smaller opening of the dust removal port 21 faces the air duct 11. Since the opening size of the end of the dust removal port 21 close to the air duct 11 is smaller and the opening size of the end far from the air duct 11 is larger, a compression effect will be generated when the air flow passes through the dust removal port 21, thereby increasing the air flow velocity. This increased air flow velocity can more effectively absorb and remove the metal dust in the groove. Due to the increased air flow velocity, the wedge-shaped structural member of the dust removal port 21 can more effectively suck the dust into the air duct 11, improving the dust removal efficiency. Moreover, due to the reasonable shape design of the dust removal port 21, it can better adapt to the flow characteristics of the air flow, further optimizing the dust removal effect, as Figure 2-3 shown.

[0033] As described above, the pressing head 2 is coated with a urethane rubber structure, which plays an insulating effect when connected to the core.

[0034] Embodiment 2

[0035] A battery manufacturing tooling, in which a core pressing member in Embodiment 1 is used during the manufacturing process of the battery. The battery includes a steel shell, and a rolling groove is provided outside the steel shell, and the center point of the groove of the rolling groove is aligned with the dust removal port 21;

[0036] Further, the battery includes a core, and a limiting groove 22 is provided on the pressing head 2. The core is located in the limiting groove 22. By aligning the opening of the dust removal port 21 with the center point of the groove of the rolling groove, it is ensured that the dust removal port 21 can directly suck out the metal dust and other non-metal dust generated by the rolling groove, effectively preventing these impurities from interfering with the battery manufacturing process. Such a design not only improves the manufacturing quality and safety of the battery, reduces the quality risk during the battery manufacturing process, but also extends the service life of the battery, improving the economy and reliability of the battery.

[0037] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A core pressing part, characterized in that: The pressing core component comprises an air pipe (1), a pressing plate (12) is provided on the air pipe (1), an air channel (11) is provided inside the air pipe (1), the air channel (11) is communicated with the pressing plate (12), a pressing head (2) is provided below the pressing plate (12), a dust removal port (21) is provided in the circumferential direction of the pressing head (2), and each of the dust removal ports (21) is communicated with the air channel (11).

2. A pressing core component according to claim 1, characterized in that: The opening direction of the air passage (11) and the opening direction of the dust removal port (21) are perpendicular to each other.

3. A pressing core member according to claim 2, characterized in that: An air extraction device is provided at one end of the air duct (11) that is not connected to the dust removal port (21).

4. A pressing core member according to claim 3, characterized in that: A limiting groove (22) is provided at one end of the pressing head (2) away from the pressing plate (12).

5. A pressed core component according to any one of claims 1 to 4, characterized in that: A groove (23) is vertically provided in the middle of the pressure head (2), and the groove (23) is communicated with each of the dust removal ports (21), and the groove (23) is communicated with the air passage (11).

6. A pressing core according to any one of claims 1 to 4, characterized in that: The dust removal port (21) is configured in a wedge shape, and the opening size of one end of the dust removal port (21) located inside the pressure head (2) is smaller than the opening size of one end of the dust removal port (21) located outside the pressure head (2).

7. A pressed core component according to any one of claims 1 to 4, characterized in that: The pressure head (2) is a plastic structural component.

8. A pressed core component according to any one of claims 1 to 4, characterized in that: The outside of the pressure head (2) is provided with a high-strength rubber structure.

9. A battery manufacturing tool, characterized in that: A pressing core component comprising any one of claims 1 to 8, wherein the battery comprises a shell, the exterior of the shell is provided with a rolling groove, and the center point of the rolling groove is aligned with the opening of the dust removal port (21).

10. A battery manufacturing tool according to claim 9, characterized in that: The battery comprises a winding core, the pressure head (2) is provided with a limiting groove (22), and the winding core is located in the limiting groove (22).

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