An electrode tab cutting device

Abstract

The application discloses an electrode piece cutting device, which comprises a first driving assembly, a base and a cutting mechanism. The cutting mechanism is installed on the base, and the driving end of the first driving assembly is connected with the base. The first driving assembly is configured to drive the cutting mechanism to move synchronously with the electrode piece belt conveyed by a conveying mechanism at a first movement speed. The conveying mechanism is configured to convey the electrode piece belt along a first horizontal direction and convey the cut electrode pieces. The first movement speed is the same as the conveying speed of the electrode piece belt. The cutting mechanism comprises a cutting assembly and a pressing assembly. The pressing assembly is configured to press the electrode pieces to be cut. The cutting assembly is configured to cut the electrode piece belt at the same time or after the pressing assembly presses the electrode piece belt, so as to obtain electrode pieces with a predetermined length. The electrode piece cutting device realizes continuous conveying of the electrode piece belt and the effect of cutting the electrode pieces in pursuit, and improves the cutting efficiency of the electrode pieces.

Description

Technical Field

[0001] This application belongs to the field of new energy battery processing equipment technology, and in particular relates to an electrode cutting device. Background Technology

[0002] In the specific production process of new energy battery (such as lithium battery, zinc battery, etc.) cells, the electrode strip needs to be cut into electrode sheets of a predetermined length to meet the actual production process requirements by a cutting device. The electrode strip is transported to the cutting device by a conveying device, and the cutting device cuts the electrode strip to obtain electrode sheets of the predetermined length.

[0003] However, when existing cutting devices cut electrode strips, the electrode strips to be cut need to be fixed before cutting. Therefore, the conveying device must stop conveying the electrode strips. Otherwise, the subsequent electrode strips will bulge and deform, affecting the quality of the next cut electrode or the cutting accuracy. Therefore, the periodic stopping and starting of the conveying device will reduce the cutting efficiency of the electrode. Utility Model Content

[0004] The purpose of this application is to provide an electrode cutting device to solve the problem of low cutting efficiency in existing electrode cutting devices.

[0005] To achieve this objective, the following technical solution is adopted in this application:

[0006] This application discloses an electrode cutting device, which includes a first driving assembly, a base, and a cutting mechanism, wherein...

[0007] The cutting mechanism is mounted on the base, and the driving end of the first driving component is connected to the base. The first driving component is configured to drive the cutting mechanism to move synchronously with the electrode strip conveyed by the conveying mechanism at a first motion speed. The conveying mechanism is configured to convey the electrode strip and the cut electrode strip along the first horizontal direction. The first motion speed is the same as the conveying speed of the electrode strip.

[0008] The cutting mechanism includes a cutting component and a clamping component. The clamping component is configured to clamp the electrode strip to be cut, and the cutting component is configured to cut the electrode strip at the same time or after the clamping component clamps the electrode strip to obtain an electrode strip of a predetermined length.

[0009] The electrode cutting device proposed in this application drives the cutting mechanism to move synchronously with the electrode belt on the conveying mechanism through the first driving component, so that the cutting mechanism remains relatively stationary with the electrode belt on the conveying mechanism, thereby realizing the continuous conveying of the electrode belt and the effect of chasing the cutting of the electrode, and improving the cutting efficiency of the electrode; at the same time, by setting a clamping component, the electrode belt is clamped and fixed before cutting, thereby improving the cutting accuracy of the electrode.

[0010] Optionally, after the cutting component cuts an electrode sheet, the first driving component is also configured to drive the cutting mechanism to move along the first horizontal direction at a second speed, so as to move the electrode sheet pressed by the pressing component away from the electrode sheet strip, wherein the second speed is greater than the first speed.

[0011] After an electrode sheet is cut, the first drive component drives the cutting mechanism to move away from the electrode sheet belt at a second speed greater than the first speed, so that the cut electrode sheet will be separated from the next electrode sheet by a preset distance on the conveying mechanism, which facilitates the subsequent transfer of the cut electrode sheet from the conveying mechanism.

[0012] Optionally, the cutting mechanism may also include a bending assembly configured to bend the tabs of the electrode sheet pressed by the clamping assembly.

[0013] By setting up a bending component, the tabs of the cut electrode sheets are automatically bent during the electrode sheet cutting process. The electrode sheet processing equipment no longer needs to set up a separate tab bending mechanism, resulting in a simple and compact structure.

[0014] Optionally, the cutting assembly includes a second drive assembly, a lifting plate, an upper cutter assembly, and a lower cutter assembly, wherein:

[0015] The lifting plate is mounted on the base in a liftable manner, and the drive end of the second drive assembly is connected to the lifting plate. The second drive assembly is configured to drive the lifting plate to lift.

[0016] The lower cutter assembly is fixedly mounted on the base, and the upper cutter assembly is mounted on the lifting plate and located above the lower cutter assembly;

[0017] The second drive assembly drives the lifting plate to descend, thereby moving the upper cutter assembly downwards and closer to the lower cutter assembly, and thus cutting the electrode strip.

[0018] The second drive component drives the lifting plate to descend, thereby moving the upper cutter component downwards and closer to the lower cutter component. The upper and lower cutter components work together to cut the electrode strip, providing a cutting component with a simple structure, stable and reliable operation, and high cutting efficiency.

[0019] Optionally, the clamping assembly is disposed after the cutting assembly along a first horizontal direction. The clamping assembly includes a bearing member, a clamping member, a connecting plate, and a first elastic member, wherein:

[0020] The carrier is fixedly mounted on the lower cutter assembly, and the carrier is configured to carry the electrode strip to be compressed.

[0021] The connecting plate is vertically mounted on the lifting plate, the clamping component is mounted on the connecting plate, and the initial height of the blade of the upper cutting assembly is higher than the initial height of the clamping surface of the clamping component;

[0022] The first end of the first elastic element is connected to the lifting plate, and the second end of the first elastic element is connected to the connecting plate. The first elastic element is configured to apply a downward pulling force to the connecting plate.

[0023] The cooperation of the carrier and the clamping component allows the electrode sheet to be cut to be pressed firmly onto the carrier. By mounting the clamping component on the connecting plate and lifting the connecting plate onto the lifting plate, the initial height of the blade of the upper cutting assembly is set higher than the initial height of the clamping surface of the clamping component. This allows the clamping component to contact the electrode sheet before the blade of the upper cutting assembly, thus enabling the electrode sheet to be cut after it is clamped, preventing the electrode sheet from moving during the cutting process and improving the cutting quality. By setting a first elastic element, floating clamping of the electrode sheet is achieved, which protects the electrode sheet.

[0024] Optionally, the second drive assembly includes a drive element, an eccentric wheel, and a transmission rod, wherein:

[0025] The fixed end of the drive component is mounted on the base, and the driving end of the drive component is connected to the eccentric wheel. The drive component is configured to drive the eccentric wheel to rotate.

[0026] The first end of the transmission rod is eccentrically hinged to the eccentric wheel, and the second end of the transmission rod is hinged to the lifting plate.

[0027] By combining the eccentric wheel and the transmission rod, the rotational motion of the drive component is converted into the lifting motion of the lifting plate, providing a second drive component with precise motion control, compact structure, and high drive efficiency.

[0028] Optionally, the bending assembly is disposed on the side of the clamping assembly, and the bending assembly includes a transmission assembly and a bending plate, wherein:

[0029] The bending plate can be mounted on the lifting plate along the second horizontal direction, close to or far from the clamping assembly, with the first horizontal direction perpendicular to the second horizontal direction;

[0030] The first end of the transmission assembly is connected to the lifting plate, and the second end of the transmission assembly is connected to the bending plate. The transmission assembly is configured to convert the lifting motion of the lifting plate into the horizontal motion of the bending plate along the second horizontal direction.

[0031] By setting up a transmission component, the bending plate is driven to move horizontally along the second horizontal direction while the lifting plate is rising and falling. This causes the bending plate to move closer to the electrode tab of the electrode sheet pressed by the pressing component and bend the electrode tab. This provides a second drive component that shares a single drive for bending and cutting. The overall structure is simple, the drive efficiency is high, and the space occupied is small.

[0032] Optionally, the transmission assembly includes a follower plate, a follower wheel, and a second elastic element, wherein:

[0033] The follower plate is fixedly connected to the bending plate, and the follower wheel is fixedly installed on the base. The follower plate has an inclined follower groove, and the follower wheel is located in the follower groove and fits against the inner wall of the follower groove.

[0034] The first end of the second elastic element is connected to the follower plate, and the second end of the second elastic element is connected to the lifting plate. The second elastic element is configured to apply a pulling force to the follower plate in a second horizontal direction.

[0035] By fixing the follower plate to the bending plate and setting the follower wheel in the follower groove on the follower plate, a transmission component using a follower drive is provided, which has the advantages of compact structure, precise control and stable and reliable operation; at the same time, by setting a second elastic element, floating control of the bending plate in the second horizontal direction is realized, and the bending plate is also easy to reset.

[0036] Optionally, the top surface of the bending plate near the clamping assembly is inclined.

[0037] By setting the top surface of the bending plate near the clamping assembly as an inclined surface, the bending plate can be guided during the bending process, making it easier to bend the tab.

[0038] Optionally, the cutting mechanism may also include a guide assembly disposed in front of the cutting assembly, the guide assembly being configured to guide the electrode strip conveyed by the conveying mechanism.

[0039] By setting up a guiding component, the electrode strip conveyed by the conveying mechanism is guided before being fed into the cutting component, thereby improving the positional accuracy of the electrode strip conveyed by the conveying mechanism and thus improving the quality of electrode cutting. Attached Figure Description

[0040] Figure 1 This is a first-view perspective three-dimensional structural schematic diagram of the electrode cutting device provided in the embodiments of this application;

[0041] Figure 2 This is a two-dimensional structural schematic diagram of the electrode cutting device provided in the embodiments of this application from a second perspective;

[0042] Figure 3 This is a schematic diagram of the main structure of the electrode cutting device provided in the embodiments of this application;

[0043] Figure 4 This is a rear view structural schematic diagram of the electrode cutting device provided in the embodiments of this application;

[0044] Figure 5 This is an assembly diagram of the cutting mechanism of the electrode cutting device provided in the embodiments of this application.

[0045] Figures 1 to 5 The following reference numerals are included:

[0046] Base 10;

[0047] Cutting mechanism 20: cutting component 21, second drive component 210, drive component 2100, eccentric wheel 2101, transmission rod 2102, lifting plate 211, upper cutter component 212, lower cutter component 213, pressing component 22, bearing component 220, pressing component 221, connecting plate 222, first elastic component 223, bending component 23, transmission component 230, follower plate 2300, follower wheel 2301, second elastic component 2302, follower groove 2303, bending plate 231, guide component 24, upper guide plate 240, lower guide plate 241. Detailed Implementation

[0048] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, the application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0049] In the specific production process of new energy battery (such as lithium battery, zinc battery, etc.) cells, the electrode strip needs to be cut into electrode sheets of a predetermined length to meet the actual production process requirements by a cutting device. The electrode strip is transported to the cutting device by a conveying device, and the cutting device cuts the electrode strip to obtain electrode sheets of the predetermined length.

[0050] When the cutting device cuts the electrode strip, the electrode strip to be cut needs to be fixed before cutting. Therefore, the conveying device must stop conveying the electrode strip. Otherwise, the subsequent electrode strip will be deformed and will affect the quality of the electrode strip cut next time or affect the cutting accuracy of the electrode strip. Therefore, the periodic stopping and starting of the conveying device will lead to a decrease in the cutting efficiency of the electrode strip.

[0051] Therefore, this application proposes an electrode cutting device; please refer to [link / reference]. Figure 1 As shown, the electrode cutting device proposed in this application embodiment includes a first driving assembly (not shown in the figure), a base 10, and a cutting mechanism 20. The cutting mechanism 20 is mounted on the base 10. The driving end of the first driving assembly is connected to the base 10. The first driving assembly is configured to drive the cutting mechanism 20 to move synchronously with the electrode strip conveyed by the conveying mechanism (not shown in the figure) at a first movement speed. The conveying mechanism is configured to move along a first horizontal direction ( Figure 1 The electrode strip is conveyed in the X direction and the cut electrode is conveyed. The first movement speed is the same as the conveying speed of the electrode strip. The cutting mechanism 20 includes a cutting component 21 and a pressing component 22. The pressing component 22 is configured to press the electrode to be cut. The cutting component 21 is configured to cut the electrode strip at the same time or after the pressing component 22 presses the electrode strip to obtain an electrode of a predetermined length.

[0052] Specifically, the first drive assembly adopts either a ball screw type linear module or a synchronous belt type linear module. When a ball screw type linear module is adopted, the base 10 is connected to the screw nut. When a synchronous belt type linear module is adopted, the base 10 is connected to one side of the synchronous belt for transmission. The base 10 can be slidably mounted on the guide rail in the first horizontal direction.

[0053] The electrode cutting device proposed in this application drives the cutting mechanism 20 to move synchronously with the electrode belt on the conveying mechanism through the first driving component, so that the cutting mechanism 20 remains relatively stationary with the electrode belt on the conveying mechanism, thereby realizing the continuous conveying of the electrode belt and the effect of chasing the cutting of the electrode, and improving the cutting efficiency of the electrode; at the same time, by setting the clamping component 22, the electrode belt is clamped and fixed before cutting, thereby improving the cutting accuracy of the electrode.

[0054] In one implementation, after the cutting component 21 cuts a piece of electrode sheet, the first driving component is also configured to drive the cutting mechanism 20 to move along the first horizontal direction at a second speed, so as to move the electrode sheet pressed by the pressing component 22 away from the electrode sheet strip, and the second speed is greater than the first speed.

[0055] As can be seen, after an electrode sheet is cut, the first drive component drives the cutting mechanism 20 to move away from the electrode sheet belt at a second speed greater than the first speed, thereby making the cut electrode sheet on the conveying mechanism spaced at a preset distance from the next electrode sheet. This ensures that when the subsequent conveying mechanism transports the electrode sheets, a predetermined distance is formed between the electrode sheets, which facilitates the subsequent transfer mechanism to transfer the cut electrode sheets from the conveying mechanism.

[0056] In one embodiment, the cutting mechanism 20 further includes a bending assembly 23, which is configured to bend the tabs of the electrode sheet pressed by the clamping assembly 22.

[0057] As can be seen, by setting the bending component 23, the tabs of the cut electrode are automatically bent in the electrode cutting process. The electrode processing equipment no longer needs to set up a separate tab bending mechanism, and the structure is simple and compact.

[0058] Please see Figures 1 to 3As shown, in one embodiment, the cutting assembly 21 includes a second drive assembly 210, a lifting plate 211, an upper cutter assembly 212, and a lower cutter assembly 213. The lifting plate 211 is movably mounted on the base 10. The drive end of the second drive assembly 210 is connected to the lifting plate 211, and the second drive assembly 210 is configured to drive the lifting plate 211 to move up and down. The lower cutter assembly 213 is fixedly mounted on the base 10, and the upper cutter assembly 212 is mounted on the lifting plate 211 and located above the lower cutter assembly 213. The second drive assembly 210 drives the lifting plate 211 to descend, thereby causing the upper cutter assembly 212 to move downward and closer to the lower cutter assembly 213, thereby cutting the electrode strip.

[0059] Specifically, a sliding guide pair consisting of a first linear guide rail and a first slider is provided between the lifting plate 211 and the base 10 to improve the stability of the lifting plate 211. Preferably, the first linear guide rail is vertically fixed on the base 10, and the first slider is fixed on the lifting plate 211 and can be slidably mounted on the first linear guide rail.

[0060] As can be seen, the second drive component 210 drives the lifting plate 211 to descend, thereby causing the upper cutter component 212 to move downward and closer to the lower cutter component 213. Then, the upper cutter component 212 and the lower cutter component 213 cooperate to cut the electrode strip, providing a cutting component 21 with simple structure, stable and reliable operation and high cutting efficiency.

[0061] In one embodiment, the clamping assembly 22 is disposed in the rear of the cutting assembly 21 along a first horizontal direction. The clamping assembly 22 includes a carrier 220, a clamping member 221, a connecting plate 222, and a first elastic member 223. The carrier 220 is fixedly mounted on the lower cutting blade assembly 213 and is configured to carry the electrode strip to be clamped. The connecting plate 222 is movably mounted on the lifting plate 211, and the clamping member 221 is mounted on the connecting plate 222. The initial height of the blade edge of the upper cutting blade assembly 212 is higher than the initial height of the clamping surface of the clamping member 221. The first end of the first elastic member 223 is connected to the lifting plate 211, and the second end of the first elastic member 223 is connected to the connecting plate 222. The first elastic member 223 is configured to apply a downward pulling force to the connecting plate 222.

[0062] Specifically, the clamping component 221 is positioned directly above the carrier component 220. The carrier component 220 is a carrier platform, which is detachably and fixedly installed on the lower cutter assembly 213. The top surface of the carrier platform is a horizontal surface that supports the electrode strip to be clamped. The clamping component 221 is a pressure plate, and the bottom surface of the pressure plate serves as the clamping surface and is set to a horizontal surface.

[0063] Specifically, a sliding guide pair consisting of a second linear guide rail and a second slider is provided between the connecting plate 222 and the lifting plate 211 to improve the stability of the lifting of the connecting plate 222. Preferably, the second linear guide rail is vertically fixed on the lifting plate 211, and the second slider is fixed on the connecting plate 222 and can be slidably mounted on the second linear guide rail.

[0064] Specifically, the first elastic element 223 is a vertically arranged first tension spring, the first end of which is hooked on the lifting plate 211, and the second end of which is hooked on the connecting plate 222.

[0065] As can be seen, the cooperation between the carrier 220 and the clamping member 221 achieves the clamping of the electrode sheet to be cut onto the carrier 220; by installing the clamping member 221 on the connecting plate 222 and the connecting plate 222 being movably mounted on the lifting plate 211, and setting the initial height of the blade of the upper cutting assembly 212 to be higher than the initial height of the clamping surface of the clamping member 221, the clamping member 221 contacts the electrode sheet strip before the blade of the upper cutting assembly 212, thereby achieving the cutting of the electrode sheet strip after clamping it, avoiding the electrode sheet strip from moving during the cutting process and improving the cutting quality; by setting the first elastic member 223, the electrode sheet strip is floating and clamped, which plays a role in protecting the electrode sheet strip.

[0066] In one embodiment, the second drive assembly 210 includes a drive member 2100, an eccentric wheel 2101, and a transmission rod 2102. The fixed end of the drive member 2100 is mounted on the base 10, and the drive end of the drive member 2100 is connected to the eccentric wheel 2101. The drive member 2100 is configured to drive the eccentric wheel 2101 to rotate. The first end of the transmission rod 2102 is eccentrically hinged to the eccentric wheel 2101, and the second end of the transmission rod 2102 is hinged to the lifting plate 211.

[0067] Specifically, the drive unit 2100 uses a servo motor, and the eccentric wheel 2101 is rotatably mounted on the base 10. The shaft of the servo motor is connected to the eccentric wheel 2101 to prevent rotation.

[0068] As can be seen, through the cooperation of the eccentric wheel 2101 and the transmission rod 2102, the rotational motion of the drive component 2100 is converted into the lifting motion of the lifting plate 211, providing a second drive component 210 with precise motion control, compact structure and high drive efficiency.

[0069] Please see Figures 1 to 5 As shown, in one embodiment, the bending assembly 23 is disposed on the side of the pressing assembly 22. The bending assembly 23 includes a transmission assembly 230 and a bending plate 231, which can be bent along the second horizontal direction ( Figure 1The first horizontal direction is perpendicular to the second horizontal direction. The first end of the transmission assembly 230 is connected to the lifting plate 211, and the second end of the transmission assembly is connected to the bending plate 231. The transmission assembly 230 is configured to convert the lifting motion of the lifting plate 211 into the horizontal motion and lifting motion of the bending plate 231 along the second horizontal direction.

[0070] As can be seen, by setting the transmission component 230, the bending plate 231 is driven to move horizontally along the second horizontal direction while the lifting plate 211 is raised and lowered. This causes the bending plate 231 to move closer to the electrode tab of the electrode sheet pressed by the pressing component 22 and bend the electrode tab. A second driving component 210 that shares a single drive for bending and cutting is provided. The overall structure is simple, the driving efficiency is high, and the space occupied is small.

[0071] In one embodiment, the transmission assembly 230 includes a follower plate 2300, a follower wheel 2301, and a second elastic member 2302. The follower plate 2300 is fixedly connected to the bending plate 231, and the follower wheel 2301 is fixedly mounted on the base 10. The follower plate 2300 has an inclined follower groove 2303, and the follower wheel 2301 is located in the follower groove 2303 and fits against the inner wall of the follower groove 2303. The first end of the second elastic member 2302 is connected to the follower plate 2300, and the second end of the second elastic member 2302 is connected to the lifting plate 211. The second elastic member 2302 is configured to apply a pulling force to the follower plate 2300 in a second horizontal direction.

[0072] Specifically, the follower plate 2300 is reciprocally mounted on the lifting plate 211 in the second horizontal direction. A sliding guide pair consisting of a third linear guide rail and a third slider is provided between the follower plate 2300 and the lifting plate 211 to improve the stability of the follower plate 2300 moving in the second horizontal direction. Preferably, the third linear guide rail is horizontally fixedly mounted on the lifting plate 211, and the third slider is fixedly mounted on the follower plate 2300 and can be horizontally slidably fitted onto the third linear guide rail.

[0073] Specifically, the second elastic element 2302 is a horizontally arranged second tension spring. The first end of the second tension spring is hooked on the follower plate 2300, and the second end of the second tension spring is hooked on the lifting plate 211.

[0074] As can be seen, by fixing the follower plate 2300 to the bending plate 231 and setting the follower wheel 2301 in the follower groove 2303 on the follower plate 2300, a transmission component 230 using a follower drive is provided, which has the advantages of compact structure, precise control and stable and reliable operation; at the same time, by setting the second elastic element 2302, the floating control of the bending plate 231 in the second horizontal direction is realized, and it is also convenient for the bending plate 231 to reset.

[0075] In one implementation, the top surface of the bending plate 231 near the clamping assembly 22 is an inclined surface.

[0076] As can be seen, by setting the top surface of the bending plate 231 near the clamping assembly 22 as an inclined surface, the bending plate 231 can be guided during the bending process, which facilitates the bending of the tab.

[0077] Specifically, when the lifting plate 211 rises and falls, the follower plate 2300 also rises and falls synchronously. During the rising and falling of the follower plate 2300, due to the sliding cooperation between the follower groove 2303 and the follower wheel 2301, the follower plate 2300 moves simultaneously along the second horizontal direction, thereby enabling the bending plate 231 installed on the follower plate 2300 to perform oblique reciprocating motion to bend and reset the electrode tab.

[0078] In one embodiment, the cutting mechanism 20 further includes a guide component 24, which is disposed in front of the cutting component 21 and is configured to guide the electrode strip conveyed by the conveying mechanism.

[0079] Specifically, the guide assembly 24 includes an upper guide plate 240 and a lower guide plate 241 fixedly mounted on the base 10. The upper guide plate 240 is located directly above the lower guide plate 241, and a gap is formed between the upper guide plate 240 and the lower guide plate 241 for the passage of the electrode strip. The distance between the upper guide plate 240 and the lower guide plate 241 gradually decreases along the conveying direction of the electrode strip until the bottom surfaces of the two guide plates are parallel.

[0080] It can be seen that by setting the guide component 24, the electrode strip conveyed by the conveying mechanism is guided before being fed into the cutting component 20, thereby improving the positional accuracy of the electrode strip conveyed by the conveying mechanism and thus improving the quality of electrode cutting.

[0081] The working principle of the electrode cutting device proposed in this application is roughly as follows:

[0082] S1, the conveying mechanism conveys the electrode strip to the cutting assembly 21 along the first horizontal direction;

[0083] S2, the first drive assembly drives the cutting mechanism 20 to move synchronously with the electrode strip conveyed by the conveying mechanism at a first motion speed. During the movement of the cutting mechanism 20 driven by the first drive assembly, the second drive assembly 210 drives the lifting plate 211 to descend. The electrode to be cut is first pressed onto the carrier 220 by the clamping member 221. Then the second drive assembly 210 drives the lifting plate 211 to continue to descend. The electrode strip is cut by the cooperation of the upper cutting blade assembly 212 and the lower cutting blade assembly 213 to obtain the cut electrode. During the cutting, the bending assembly 23 bends the tab part of the electrode.

[0084] S3, the first driving component drives the cutting mechanism 20 to move along the first horizontal direction at the second speed, so as to move the cut electrode sheet pressed by the pressing component 22 away from the electrode sheet strip, so that the cut electrode sheet is spaced at a preset distance from the next electrode sheet on the conveying mechanism.

[0085] The electrode cutting device proposed in this application has the following advantages:

[0086] 1) It enables continuous conveying of electrode strips and the effect of chasing and cutting electrode sheets, thereby improving the cutting efficiency of electrode sheets;

[0087] 2) Before cutting the electrode strip, the electrode strip is first pressed and fixed by the clamping assembly, thereby improving the cutting accuracy of the electrode strip;

[0088] 3) It can bend the electrode tabs while cutting the electrode sheet, with a simple and compact structure and high work efficiency;

[0089] 4) Cutting and bending share a single drive, which further simplifies the overall structure, has high drive efficiency, and occupies little space.

[0090] The above embodiments merely illustrate the basic principles and characteristics of this application. This application is not limited to the above examples. Various changes and modifications can be made to this application without departing from the spirit and scope thereof, and all such changes and modifications fall within the scope of this application as claimed. The scope of protection of this application is defined by the appended claims and their equivalents.

Claims

1. An electrode cutting device, characterized in that, The electrode cutting device includes a first driving assembly, a base, and a cutting mechanism, wherein... The cutting mechanism is mounted on the base, and the driving end of the first driving component is connected to the base. The first driving component is configured to drive the cutting mechanism to move synchronously with the electrode strip conveyed by the conveying mechanism at a first movement speed. The conveying mechanism is configured to convey the electrode strip and the cut electrode along a first horizontal direction. The first movement speed is the same as the conveying speed of the electrode strip. The cutting mechanism includes a cutting component and a clamping component. The clamping component is configured to clamp the electrode strip to be cut, and the cutting component is configured to cut the electrode strip while or after the clamping component clamps the electrode strip to obtain an electrode strip of a predetermined length.

2. The electrode cutting device according to claim 1, characterized in that, After the cutting component cuts a piece of electrode, the first driving component is further configured to drive the cutting mechanism to move along the first horizontal direction at a second speed, so as to move the electrode pressed by the pressing component away from the electrode strip, wherein the second speed is greater than the first speed.

3. The electrode cutting device according to claim 1 or 2, characterized in that, The cutting mechanism further includes a bending assembly configured to bend the tabs of the electrode sheet pressed by the clamping assembly.

4. The electrode cutting device according to claim 3, characterized in that, The cutting assembly includes a second drive assembly, a lifting plate, an upper cutting blade assembly, and a lower cutting blade assembly, wherein: The lifting plate is movably mounted on the base, and the driving end of the second driving component is connected to the lifting plate. The second driving component is configured to drive the lifting plate to move up and down. The lower cutter assembly is fixedly mounted on the base, and the upper cutter assembly is mounted on the lifting plate and located above the lower cutter assembly; The second drive component drives the lifting plate to descend, thereby moving the upper cutter component downwards and closer to the lower cutter component, and thus cutting the electrode strip.

5. The electrode cutting device according to claim 4, characterized in that, The clamping assembly is disposed along the first horizontal direction at the rear of the cutting assembly. The clamping assembly includes a bearing member, a clamping member, a connecting plate, and a first elastic member, wherein: The carrier is fixedly mounted on the lower cutter assembly, and the carrier is configured to carry the electrode strip to be compressed; The connecting plate is vertically mounted on the lifting plate, the clamping member is mounted on the connecting plate, and the initial height of the blade of the upper cutting blade assembly is higher than the initial height of the clamping surface of the clamping member; The first end of the first elastic element is connected to the lifting plate, and the second end of the first elastic element is connected to the connecting plate. The first elastic element is configured to apply a downward pulling force to the connecting plate.

6. The electrode cutting device according to claim 4, characterized in that, The second drive assembly includes a drive element, an eccentric wheel, and a transmission rod, wherein: The fixed end of the driving component is mounted on the base, and the driving end of the driving component is connected to the eccentric wheel. The driving component is configured to drive the eccentric wheel to rotate. The first end of the transmission rod is eccentrically hinged to the eccentric wheel, and the second end of the transmission rod is hinged to the lifting plate.

7. The electrode cutting device according to claim 4, characterized in that, The bending assembly is disposed on the side of the clamping assembly, and the bending assembly includes a transmission assembly and a bending plate, wherein: The bending plate can be mounted on the lifting plate along a second horizontal direction, close to or away from the clamping assembly, wherein the first horizontal direction is perpendicular to the second horizontal direction; The first end of the transmission assembly is connected to the lifting plate, and the second end of the transmission assembly is connected to the bending plate. The transmission assembly is configured to convert the lifting motion of the lifting plate into the horizontal motion of the bending plate along the second horizontal direction.

8. The electrode cutting device according to claim 7, characterized in that, The transmission assembly includes a follower plate, a follower wheel, and a second elastic element, wherein: The follower plate is fixedly connected to the bending plate, the follower wheel is fixedly installed on the base, the follower plate is provided with an inclined follower groove, the follower wheel is located in the follower groove and fits against the inner wall of the follower groove; The first end of the second elastic element is connected to the follower plate, and the second end of the second elastic element is connected to the lifting plate. The second elastic element is configured to apply a pulling force to the follower plate in the second horizontal direction.

9. The electrode cutting device according to claim 7, characterized in that, The top surface of the bending plate near the clamping assembly is an inclined surface.

10. The electrode cutting device according to claim 1, characterized in that, The cutting mechanism further includes a guide assembly disposed in front of the cutting assembly, the guide assembly being configured to guide the electrode strip conveyed by the conveying mechanism.

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