A ring cutting device based on annular side film and cylindrical battery production line

Abstract

The application discloses a ring forming and cutting device based on an annular edge film and a cylindrical battery production line. The device comprises a containing assembly, a ring forming mechanism and a cutting mechanism. The containing assembly has a ring forming cavity. The ring forming mechanism comprises a rotating assembly and an adsorbing assembly. The rotating assembly is used to drive the adsorbing assembly to rotate after the adsorbing assembly is located in the ring forming cavity and adsorbs the edge film belt, so that the edge film belt is formed into a ring around the adsorbing assembly under the limitation of the ring forming cavity. The cutting mechanism is used to cut the edge film belt after the edge film belt is formed into a ring. The edge film belt is contained in the ring forming cavity of the containing assembly, and the edge film belt is adsorbed by the adsorbing assembly. The rotating assembly drives the adsorbing assembly to rotate to realize the ring forming of the edge film. Then, the cutting mechanism cuts the edge film belt to obtain an annular edge film. By integrally arranging the mechanism on the same rack and dividing the formation of the edge film into two steps of ring forming and cutting, the space utilization of the equipment can be improved, no additional conveying mechanism is needed in the middle, the production time sequence is shortened, and the production efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of battery manufacturing technology, and in particular to a ring-forming and cutting device based on an annular edge film and a cylindrical battery production line. Background Technology

[0002] Adding a side film to a cylindrical battery can effectively prevent internal short circuits. To match the cylindrical battery casing, the side film needs to be formed into a ring before being added to the casing. Related technologies use side film ring-forming devices that first cut the side film and then transfer it to the next station's ring-forming assembly via a conveyor mechanism for ring forming. The ring-shaped side film is then assembled with the casing. This entire process involves conveying the ring-shaped side film, which increases equipment space requirements, reduces space utilization, and increases equipment costs. Furthermore, it leads to longer production timelines and decreased production efficiency. Utility Model Content

[0003] This application proposes a ring-forming and cutting device based on an annular side film, which effectively solves the technical problems in related technologies such as low space utilization, high equipment cost, and reduced production efficiency caused by the conveying of annular side film.

[0004] This application also proposes a cylindrical battery production line including the above-mentioned ring-forming and cutting device based on annular edge film.

[0005] The first aspect of this application provides a ring-forming and cutting device based on an annular edge film, including: a receiving component, a ring-forming mechanism, and a cutting mechanism;

[0006] The receiving component has an annular cavity;

[0007] The ring-forming mechanism includes a rotating component and an adsorption component;

[0008] The rotating component is used to drive the adsorption component to rotate after the adsorption component is located in the ring-forming cavity and adsorbs the edge film strip, so that the edge film strip forms a ring around the adsorption component under the limitation of the ring-forming cavity.

[0009] The cutting mechanism is used to cut the edge film strip after it has been looped.

[0010] Furthermore, the cutting mechanism includes a cutting drive, a cutting frame, and a blade. The blade is disposed on the cutting frame, and the cutting drive is used to drive the cutting frame to move so as to drive the blade to cut the edge film strip.

[0011] Furthermore, the ring-forming cutting device based on the annular edge film also includes a guiding mechanism, which is used to guide the movement of the cutting frame.

[0012] Furthermore, the receiving component includes a fixing plate and at least one ring-forming module, the ring-forming module being used to form the ring-forming cavity, the ring-forming module being disposed on the fixing plate, the fixing plate being provided with a tape passage for the edge film tape to pass through and a cutout area for the cutting mechanism to perform cutting operations.

[0013] Furthermore, the ring-forming and cutting device based on the annular edge film also includes at least one unwinding assembly, which is used to transport the edge film strip into the ring-forming cavity.

[0014] Furthermore, the unwinding assembly includes an unwinding turntable and a traction roller, wherein the unwinding turntable is used to receive or output the edge film strip, and the traction roller is used to guide the output edge film strip;

[0015] The unwinding assembly also includes a traction clamp, a conveying roller module, a driven pressure roller, and an elastic component. The conveying roller module and the driven pressure roller are respectively disposed on both sides of the side film belt and are used to drive the side film belt to move. The traction clamp is used to convey the side film belt guided by the traction roller into the ring forming cavity. The elastic component acts on the driven pressure roller so that the driven pressure roller can be maintained in a position that is in close contact with the side film belt.

[0016] Furthermore, the rotating component includes a gear transmission module and a rotating drive component. The rotating drive component is connected to the input end of the gear transmission module. The gear transmission module includes multiple output ends for setting the adsorption components, so that the rotating drive component can drive each adsorption component to rotate synchronously through the gear transmission module.

[0017] And / or, the adsorption assembly includes an adsorption rod, one end of which is connected to an air extraction assembly, and the other end of which has a plurality of air extraction holes on its circumferential sidewall, the air extraction holes being used to adsorb the edge film strip.

[0018] Furthermore, the ring-forming and cutting device based on the annular edge membrane also includes a driving component, which is used to drive the adsorption component to move so that the adsorption component can reach the ring-forming cavity and the insertion position respectively.

[0019] Furthermore, the driving component includes a lifting module, which is used to drive the adsorption component to move up and down.

[0020] As can be seen from the above technical solutions, the embodiments of this application have at least the following beneficial effects: the edge film strip is accommodated by the ring-forming cavity of the accommodating component, the edge film strip is adsorbed by the adsorption component, the rotating component drives the adsorption component to rotate to realize the ring-forming of the edge film, and then the cutting mechanism cuts the edge film strip to obtain the ring-shaped edge film. By integrating the mechanisms on the same frame and dividing the formation of the edge film into two steps of ring forming and cutting, not only can the space utilization of the equipment be improved, but also no additional conveying mechanism is required in the middle, shortening the production sequence and improving production efficiency.

[0021] A second aspect of this application provides a cylindrical battery production line, including: a ring-forming and cutting device based on an annular edge film as described in the first aspect of this application.

[0022] It is easy to understand that the cylindrical battery production line in the second aspect embodiment of this application has the same technical effect as the ring-forming and cutting device based on the annular edge film in the first aspect embodiment, and therefore will not be described again.

[0023] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application 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 some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the ring-forming and cutting device based on an annular edge membrane provided in an embodiment of this application, shown along a first direction.

[0026] Figure 2 This is an internal schematic diagram of a ring-forming and cutting device based on an annular edge membrane provided in an embodiment of this application, shown along a second direction.

[0027] Figure 3 A schematic diagram of a cutting mechanism provided in one embodiment of this application;

[0028] Figure 4 A schematic diagram of a receiving component provided in one embodiment of this application;

[0029] Figure 5 A schematic diagram of a fixing plate provided in one embodiment of this application;

[0030] Figure 6 A schematic diagram of an unwinding assembly portion provided in one embodiment of this application;

[0031] Figure 7 This is a schematic diagram of a ring-forming mechanism portion provided in one embodiment of this application;

[0032] The first direction can be understood as the direction facing forward at a certain angle, and the second direction can be understood as the direction facing the opposite back at a certain angle.

[0033] Figure label:

[0034] 100. Component housing; 101. Ring-shaped cavity; 110. Fixing plate; 111. Belt passage; 112. Cutout area; 120. Ring-shaped module;

[0035] 200. Ring-forming mechanism; 210. Rotating assembly; 211. Gear transmission module; 212. Rotating drive component; 220. Adsorption assembly; 221. Adsorption rod; 2211. Air extraction port; 222. Air extraction assembly;

[0036] 300. Cutting mechanism; 310. Cutting drive component; 320. Cutting frame; 330. Blade;

[0037] 400. Guiding mechanism;

[0038] 500. Unwinding assembly; 510. Unwinding turntable; 520. Traction roller; 530. Traction clamp; 540. Conveyor roller module; 550. Driven pressure roller; 560. Elastic component;

[0039] 600. Drive component; 610. Lifting module. Detailed Implementation

[0040] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0041] See Figures 1 to 7 As shown, an embodiment of the first aspect of this application discloses a ring-forming and cutting device based on an annular edge film, including a receiving component 100, a ring-forming mechanism 200, and a cutting mechanism 300;

[0042] The receiving component 100 has a ring-forming cavity 101; the ring-forming mechanism 200 includes a rotating component 210 and an adsorption component 220; the rotating component 210 is used to drive the adsorption component 220 to rotate after the adsorption component 220 is located in the ring-forming cavity 101 and adsorbs the edge film strip, so that the edge film strip surrounds the adsorption component 220 to form a ring under the limitation of the ring-forming cavity 101; the cutting mechanism 300 is used to cut the edge film strip after it has formed a ring.

[0043] In the embodiments of this application, the edge film strip is accommodated by the ring-forming cavity 101 of the accommodating component 100, the edge film strip is adsorbed by the adsorption component 220, the rotating component 210 drives the adsorption component 220 to rotate to realize the ring-forming of the edge film, and then the cutting mechanism 300 cuts the edge film strip to obtain the ring-shaped edge film. By integrating the mechanisms on the same frame, the formation of the edge film is divided into two steps: ring forming and cutting. This not only improves the space utilization of the equipment, but also eliminates the need for an additional conveying mechanism, shortens the production sequence, and improves production efficiency.

[0044] Understandably, in some embodiments, the ring-forming cavity 101 is used to receive the conveyed edge film strip. The ring-forming cavity 101 is configured with a contour structure adapted to the adsorption component 220, so that when the adsorption component 220 is located or extends into the ring-forming cavity 101, part of the edge film strip can be adsorbed by the adsorption component 220. As the rotating component 210 drives, the adsorption component 220 rotates, thereby causing the edge film strip to extend around the circumferential sidewall of the adsorption component 220 until the ends meet and form a ring. At this time, the annular edge film is located between the ring-forming cavity 101 and the adsorption component 220. During the entire ring-forming process, the edge film strip is gradually arranged around the circumferential sidewall of the adsorption component 220 by the adsorption force of the adsorption component 220 on the one hand, and is prevented from deviating by the inner cavity limitation of the ring-forming cavity 101 on the other hand, thereby ensuring the forming quality of the annular edge film. Subsequently, the cutting mechanism 300 cuts the edge film strip located outside the ring-forming cavity 101, thereby obtaining a complete annular edge film inside the ring-forming cavity 101.

[0045] It is understood that in some embodiments, the adsorption component 220 can be initially placed directly inside the ring-forming cavity 101. It adsorbs and rotates the edge film to form a ring. After cutting, the adsorption component 220 releases the annular edge film, allowing it to leave the ring-forming cavity 101 and reach the next work station. In other embodiments, the adsorption component 220 can be used in conjunction with the driving component 600. The driving component 600 drives the adsorption component 220 to extend into the ring-forming cavity 101 to create the annular edge film. Then, the adsorption component 220 is driven to leave the ring-forming cavity 101 and reach the next work station. In this embodiment, before the annular edge film is formed and before reaching the next work station, the adsorption component 220 continuously adsorbs the edge film and moves it synchronously to transport the annular edge film.

[0046] The following will combine Figures 1 to 7 The ring-forming and cutting device based on annular edge membrane disclosed in the embodiments of this application will be explained and described in detail.

[0047] In some embodiments of this application, reference is made to Figure 3 The cutting mechanism 300 includes a cutting drive 310, a cutting frame 320, and a blade 330. The blade 330 is mounted on the cutting frame 320. The cutting drive 310 drives the cutting frame 320 to move, thereby causing the blade 330 to cut the edge film strip. It can be understood that the cutting drive 310 provides power to drive the cutting frame 320, which carries the blade 330, to move. The displacement of the cutting frame 320 drives the blade 330 to move synchronously, thus achieving the cutting action of the edge film strip. Through the linkage between the drive and the cutting frame 320, the blade 330 can stably and efficiently complete the edge film strip cutting, adapting to the continuous processing requirements of the edge film strip.

[0048] In some embodiments, the cutting drive 310 is a telescopic drive, which achieves reciprocating drive by extending and retracting, thereby driving the blade 330 on the cutting frame 320 to move back and forth, achieving the effect of cutting the edge film strip. In some embodiments, the cutting frame 320 has space to allow the edge film strip to pass through, and one or more blades 330 are disposed on the cutting frame 320. When the cutting frame 320 reciprocates, the blades 330 can pass through the position where the edge film strip passes to achieve cutting.

[0049] Understandably, in order for the blade 330 to stably and efficiently cut the edge film strip while ensuring cutting accuracy, for example, in some embodiments, the ring-forming cutting device based on the annular edge film also includes a guiding mechanism 400. The guiding mechanism 400 is used to guide the movement of the cutting frame 320. Through the limiting and guiding effect of the guiding mechanism 400, the displacement accuracy of the cutting frame 320 is improved, and the cutting accuracy is guaranteed.

[0050] In some embodiments, the guide mechanism 400 includes a guide groove and a slider. The slider is slidably disposed in the guide groove and connected to the cutting frame 320, thereby improving accuracy. In other embodiments, the guide mechanism 400 can also be configured as a guide rod mechanism, a baffle mechanism, or other guiding mechanism, which can be selected according to actual usage requirements.

[0051] In some embodiments of this application, reference is made to Figure 4 and Figure 5The housing component 100 includes a fixed plate 110 and at least one ring-forming module 120. The ring-forming module 120 is used to form a ring-forming cavity 101. The ring-forming module 120 is disposed on the fixed plate 110, which has a tape passage 111 for the edge film tape to pass through and a cutout area 112 for the cutting mechanism 300 to perform cutting operations. It can be understood that the ring-forming module 120 ensures uniform ring specifications through the ring-forming cavity 101, the tape passage 111 guides the edge film tape for precise delivery, ensures stable position during the ring-forming process, avoids deviation, and the cutout area 112 adapts to the operation of the cutting mechanism 300, realizing collaborative operation, improving processing continuity, and further improving space utilization.

[0052] In some embodiments, the fixed plate 110 serves as the mounting base, and the ring-forming module 120 is fixed on the fixed plate 110. Each ring-forming module 120 has a cavity, which serves as the ring-forming cavity 101. The edge film tape passes through the tape passage 111 of the fixed plate 110 and is conveyed into the ring-forming cavity 101. After the edge film tape is formed into a ring, the cutting mechanism 300 cuts the edge film tape. The hollow area 112 on the fixed plate 110 provides cutting operation space for the cutting mechanism 300, avoiding interference.

[0053] Understandably, in order to further improve the production efficiency of the annular edge film and increase the automation level of the equipment, refer to Figure 1 , Figure 2 and Figure 6 In some embodiments of this application, the ring-forming and cutting device based on the annular edge film further includes at least one set of unwinding components 500. The unwinding components 500 are used to transport the edge film strip into the ring-forming cavity 101. The unwinding components 500 serve as a feeding mechanism to supply the edge film strip, thereby achieving sustainable continuous production and improving production efficiency.

[0054] In some embodiments, for example, the unwinding assembly 500 includes an unwinding turntable 510 and a traction roller 520, the unwinding turntable 510 for receiving or outputting the edge film strip, and the traction roller 520 for guiding the output edge film strip.

[0055] Understandably, the unwinding turntable 510 enables batch storage and continuous output of the edge film strip, reducing downtime due to frequent feeding. The unwinding assembly 500 collects the edge film strip roll through the unwinding turntable 510 and releases the edge film strip during processing. The traction roller 520 contacts the output edge film strip and guides it to be smoothly conveyed along a preset path by means of its own rotation or position constraint, avoiding wrinkles and deviations in the edge film strip. This provides a stable material conveying foundation for subsequent processes such as ring forming and cutting, ensuring processing accuracy and continuity.

[0056] Furthermore, the unwinding assembly 500 also includes a traction clamping plate 530, a conveying roller module 540, a driven pressure roller 550, and an elastic member 560. The conveying roller module 540 and the driven pressure roller 550 are respectively disposed on both sides of the side film belt and are used to drive the side film belt to move. The traction clamping plate 530 is used to convey the side film belt guided by the traction roller 520 into the ring forming cavity 101. The elastic member 560 acts on the driven pressure roller 550 so that the driven pressure roller 550 can be maintained in a position that is in close contact with the side film belt.

[0057] Understandably, the unwinding assembly 500 works in conjunction with the existing structure through the addition of new components. The conveying roller module 540 and the driven pressure roller 550 are located on both sides of the edge film belt, respectively. The elastic component 560 continuously applies force to the driven pressure roller 550 to keep it in close contact with the edge film belt. The two work together to drive the edge film belt to move stably. After being guided by the traction roller 520, the edge film belt is then accurately conveyed to the ring-forming cavity 101 by the traction clamp 530, forming a continuous feeding process.

[0058] In some embodiments, the traction clamping plate 530 has a channel for the side film strip to pass through, enabling the side film strip to be accurately conveyed into the ring-forming cavity 101, reducing conveying deviation and providing a precise positioning basis for subsequent ring-forming and cutting processes. In some embodiments, the clamping cooperation between the conveying roller module 540 and the driven pressure roller 550 provides stable conveying power and prevents the side film strip from slipping or stalling during conveying. In some embodiments, the elastic pressure of the elastic component 560 is adapted to side film strips of different thicknesses, ensuring that the driven pressure roller 550 is always in close contact with the material, and ensuring uniform conveying speed and tension.

[0059] In some embodiments of this application, reference is made to Figure 7 The rotating assembly 210 includes a gear transmission module 211 and a rotating drive component 212. The rotating drive component 212 is connected to the input end of the gear transmission module 211. The gear transmission module 211 includes multiple output ends for setting the adsorption assemblies 220, so that the rotating drive component 212 can drive each adsorption assembly 220 to rotate synchronously through the gear transmission module 211. It can be understood that driving the adsorption assemblies 220 to rotate via gear transmission can adapt to actual processing environments and requirements, and allows for greater flexibility in adding or removing output ends, while ensuring the synchronous operation of the adsorption assemblies 220 and improving production efficiency.

[0060] In some embodiments, the number of adsorption components 220, the number of output ends of gear transmission modules 211, and the number of unwinding components 500 and ring forming modules 120 are corresponding, and preferably multiple synchronous production can be set to improve production efficiency.

[0061] In some embodiments of this application, reference is made to Figure 1 and Figure 2The ring-forming and cutting device based on the annular edge film also includes a driving component 600. The driving component 600 is used to drive the adsorption component 220 to move, so that the adsorption component 220 can reach the ring-forming cavity 101 and the shell insertion position respectively. It can be understood that the driving component 600 can use a commonly used mechanical driving mechanism according to actual use needs, and by setting the driving path, the adsorption component 220 can reach at least the first station and the second station when driven. The first station is the station that can extend into the ring-forming cavity 101 to realize the ring-forming of the edge film, and the second station is the shell insertion station that can realize the shell insertion operation. This allows the ring-forming and cutting device of this embodiment to further improve the space utilization of the equipment, shorten the production sequence, and improve the production efficiency by integrating the three functions of ring forming, cutting, and shell insertion into one unit.

[0062] In some embodiments, the driving component 600 first drives the adsorption component 200 to move into the ring cavity 101. After the ring-shaped side film is formed by the side film belt, the driving component 600 drives the adsorption component 220 to move. The adsorption component 220 moves to move the ring-shaped side film. Through the driving path of the driving component 600 and the actual position of the insertion position, the ring-shaped side film is smoothly inserted into the shell.

[0063] For example, the first station and the second station are set as two stations spaced apart in the vertical direction, and the driving component 600 is set as a lifting driving component, so that after the adsorption component 220 reaches the first station from top to bottom to realize the ring formation of the edge film belt, it moves further down to pass through the ring forming cavity 101 and reach the second station. When it reaches the position of entering the shell, the shell entry operation can be realized. By optimizing the setting of the driving path, the specific structural design of the driving component 600 is simplified, and the space utilization rate of the ring forming and cutting device of this application embodiment is further improved, and the production efficiency is improved.

[0064] For example, in some embodiments, the driving component 600 includes a lifting module 610, which is used to drive the adsorption component 220 to rise and fall. It can be understood that by driving the adsorption component 220 to rise and fall, the adsorption component 220 can sequentially reach the ring-forming cavity 101 and the position of entering the shell, thereby sequentially performing the three processing steps of ring forming, cutting, and entering the shell.

[0065] In some embodiments, the lifting module 610 can be configured as a commonly used lead screw and nut mechanism, linear module mechanism, etc., and can be adapted to meet actual usage requirements.

[0066] In other embodiments, the driving path of the driving component 600 is not limited to a vertical path, but can be further extended to a spatially arranged path, so that the setting positions of the first station and the second station are more flexible. The specific structure of the driving component 600 can be adaptively adjusted according to common technical means to meet actual driving requirements, which will not be described in detail here.

[0067] In some embodiments of this application, reference is made to Figure 7 The adsorption assembly 220 includes an adsorption rod 221. One end of the adsorption rod 221 is connected to the suction assembly 222, and the other end of the adsorption rod 221 has multiple suction holes 2211 on its circumferential sidewall. The suction holes 2211 are used to adsorb the edge film strip. It can be understood that the adsorption rod 221, on the one hand, can ensure the ring-forming quality of the annular edge film by utilizing its circumferential sidewall, and on the other hand, can ensure the stability of the adsorption force through the suction holes 2211 on the circumferential sidewall, thereby ensuring the quality of production.

[0068] The following describes in detail, with a specific embodiment, the ring-forming and cutting device based on an annular edge membrane according to an embodiment of this application. It should be noted that the following embodiment is merely an exemplary description and should not be construed as limiting the embodiments of this application.

[0069] See Figures 1 to 7 As shown, the ring-forming and cutting device based on annular edge film in this embodiment is applied to a cylindrical battery production line. The ring-forming and cutting device includes a frame, a receiving component 100, a ring-forming mechanism 200, a driving component 600, and a cutting mechanism 300. The receiving component 100 is mounted on the frame and has a ring-forming cavity 101 formed inside it. The driving component 600 drives the ring-forming mechanism 200, which includes an adsorption rod 221. The adsorption rod 221 moves movably through the ring-forming cavity 101, causing the edge film to form a ring on the adsorption rod 221. The cutting mechanism 300 is mounted on the frame and is used to cut the edge film strip fed into the ring-forming cavity 101 by the edge film feeder.

[0070] The ring-forming and cutting device further includes an unwinding assembly 500, a traction clamping plate 530, a driven pressure roller 550, and a conveying roller module 540. The unwinding assembly 500 includes an unwinding turntable 510 and a traction roller 520, which convey the edge film strip into the ring-forming cavity 101. The traction clamping plate 530 has a belt-passing gap. The driven pressure roller 550 and the conveying roller module 540 respectively squeeze both sides of the film strip. The conveying roller module 540 rotates to move the film strip. A spring is provided between the driven pressure roller 550 and the traction clamping plate 530 to ensure that the driven pressure roller 550 always provides friction force to the film strip. Specifically, the conveying roller module 540, the traction clamping plate 530, and the driven pressure roller 550 are all mounted on the frame, and there are multiple of them.

[0071] Furthermore, the receiving component 100 includes a fixing plate 110 and a ring-forming module 120. The fixing plate 110 is mounted on the frame, and the ring-forming module 120 forms a ring-forming cavity 101. The fixing plate 110 has a tape passage 111 communicating with the ring-forming cavity 101. Preferably, there are multiple ring-forming modules 120, and the number of these modules matches the number of tape passages 111.

[0072] Furthermore, the cutting mechanism 300 includes a cutting drive 310, a cutting frame 320, and a blade 330 that is limited and positioned on the cutting frame 320. The cutting drive 310 is mounted on the frame, and its telescopic end is connected to the cutting frame 320. The cutting frame 320 and the fixed plate 110 are slidably connected through a slide rail and slide groove, allowing the blade 330 to cut through the area with the notch 111. Preferably, the fixed plate 110 is provided with a hollow area 112 for the blade 330 to move.

[0073] In some embodiments, the ring-forming mechanism 200 includes a rotary drive 232 and an adsorption rod 221. The rotary drive 232 is mounted on a frame, and the adsorption rod 221 is mounted on the rotating end of the rotary drive 232. Preferably, the rotary drive 232 and the adsorption rod 221 rotate through gear meshing, enabling one rotary drive 232 to drive multiple adsorption rods 221 to rotate synchronously, saving energy and equipment space. Specifically, one end of the adsorption rod 221 is connected to the suction assembly 222, and the other end of the adsorption rod 221 is provided with a suction hole 2211, so that the side membrane surrounds the other end of the adsorption rod 221 to form a ring in the ring-forming cavity 101 and moves down into the shell. The drive assembly 600 includes a lifting module 610, mounted on the frame, for driving the rotary drive 232 to lift and lower, realizing the shell insertion operation.

[0074] It is understood that the ring-forming and cutting device based on the annular edge film in this application integrates the three functions of ring forming, shell insertion, and cutting on the same frame, which can improve the space utilization of the equipment and eliminate the need for an additional conveying mechanism, thereby shortening the production sequence and improving production efficiency.

[0075] The second aspect of this application discloses a cylindrical battery production line, which may be a cylindrical battery production line, and includes: the ring-forming and cutting device based on an annular edge film according to the first aspect of this application.

[0076] It is easy to understand that the cylindrical battery production line in the second aspect embodiment of this application has the same technical effect as the ring-forming and cutting device based on the annular edge film in the first aspect embodiment, and therefore will not be described again.

[0077] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., 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 application 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 application.

[0078] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "multiple" means two or more. It should be noted that the term "and / or" used herein is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. Similarly, at least one of A or B can also represent: A alone, A and B simultaneously, or B alone.

[0079] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0080] In the foregoing description of this specification, references to terms such as "one embodiment," "another embodiment," or "some embodiments" indicate that a specific feature, structure, material, or characteristic described in connection with an embodiment or example is included in at least one embodiment or example of this application. In the description of this specification, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

Claims

1. A ring-forming and cutting device based on an annular edge membrane, characterized in that, include: The assembly includes a housing (100), a ring-forming mechanism (200), and a cutting mechanism (300). The receiving component (100) has an annular cavity (101); The ring-forming mechanism (200) includes a rotating component (210) and an adsorption component (220). The rotating component (210) is used to drive the adsorption component (220) to rotate after the adsorption component (220) is located in the ring-forming cavity (101) and adsorbs the edge film strip, so that the edge film strip forms a ring around the adsorption component (220) under the limitation of the ring-forming cavity (101). The cutting mechanism (300) is used to cut the edge film strip after it has been looped.

2. The ring-forming and cutting device based on an annular edge membrane according to claim 1, characterized in that: The cutting mechanism (300) includes a cutting drive (310), a cutting frame (320), and a blade (330). The blade (330) is disposed on the cutting frame (320). The cutting drive (310) is used to drive the cutting frame (320) to move so as to drive the blade (330) to cut the edge film strip.

3. The ring-forming and cutting device based on an annular edge membrane according to claim 2, characterized in that: The ring-forming cutting device based on the annular edge film further includes a guiding mechanism (400) for guiding the movement of the cutting frame (320).

4. The ring-forming and cutting device based on an annular edge membrane according to claim 1, characterized in that: The receiving component (100) includes a fixing plate (110) and at least one ring-forming module (120). The ring-forming module (120) is used to form the ring-forming cavity (101). The ring-forming module (120) is disposed on the fixing plate (110). The fixing plate (110) is provided with a tape passage (111) for the side film tape to pass through and a hollow area (112) for the cutting mechanism (300) to perform cutting operations.

5. The ring-forming and cutting device based on an annular edge membrane according to claim 1, characterized in that: The ring-forming and cutting device based on the annular edge film further includes at least one unwinding assembly (500), which is used to transport the edge film strip into the ring-forming cavity (101).

6. The ring-forming and cutting device based on an annular edge membrane according to claim 5, characterized in that: The unwinding assembly (500) includes an unwinding turntable (510) and a traction roller (520). The unwinding turntable (510) is used to receive or output the edge film strip, and the traction roller (520) is used to guide the output edge film strip. The unwinding assembly (500) further includes a traction clamp (530), a conveying roller module (540), a driven pressure roller (550), and an elastic component (560). The conveying roller module (540) and the driven pressure roller (550) are respectively disposed on both sides of the side film belt and are used to drive the side film belt to move. The traction clamp (530) is used to convey the side film belt guided by the traction roller (520) into the ring-forming cavity (101). The elastic component (560) acts on the driven pressure roller (550) so that the driven pressure roller (550) can be maintained in a position close to the side film belt.

7. The ring-forming and cutting device based on an annular edge membrane according to claim 1, characterized in that: The rotating component (210) includes a gear transmission module (211) and a rotating drive (212). The rotating drive (212) is connected to the input end of the gear transmission module (211). The gear transmission module (211) includes multiple output ends for setting the adsorption components (220) so that the rotating drive (212) can drive each adsorption component (220) to rotate synchronously through the gear transmission module (211). And / or, the adsorption assembly (220) includes an adsorption rod (221), one end of which is used to communicate with the air extraction assembly (222), and the other end of which is provided with a plurality of air extraction holes (2211) on the circumferential sidewall, the air extraction holes (2211) being used to adsorb the edge film strip.

8. The ring-forming and cutting device based on an annular edge membrane according to claim 1, characterized in that: The ring-forming and cutting device based on the annular edge film further includes a driving component (600), which is used to drive the adsorption component (220) to move so that the adsorption component (220) can reach the ring-forming cavity (101) and the position of the insert shell, respectively.

9. The ring-forming and cutting device based on an annular edge membrane according to claim 8, characterized in that: The drive assembly (600) includes a lifting module (610) for driving the adsorption assembly (220) to rise and fall.

10. A cylindrical battery production line, characterized in that, include: The ring-forming and cutting apparatus based on an annular edge membrane as described in any one of claims 1 to 9.

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