Cell groove gummed paper small lug smearing device

Abstract

The utility model relates to the technical field of automation equipment, and discloses a cell groove gummed paper small ear wiping device which is characterized in that a small ear wiping mechanism I is used for wiping and pasting a right small ear, and a small ear wiping mechanism II is used for wiping and pasting a left small ear; the first small ear wiping mechanism comprises a first transverse moving driver, a first lifting driver, a first rotating driver, a second rotating driver and a first clamping assembly which are sequentially connected in a driving mode, the first clamping assembly is used for clamping the end of a small ear on the right side, and after the second rotating driver drives the first clamping assembly to rotate upwards by 90 degrees, the first clamping assembly is driven by the first lifting driver to rotate upwards by 90 degrees. The first rotary driver drives the first clamping assembly to rotate downwards by 180 degrees, so that the right small lug is attached to the battery cell groove after rotating around the right sealing edge of the battery cell groove; the utility model has the following technical effects: 1, the precision of smearing and pasting the small lug of the groove gummed paper is improved, so that the operation yield is improved to more than 99.5%; and 2, the thickness of the cell body is ensured, and the assembly yield is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automation equipment, and in particular relates to a small ear device for wiping a groove of a battery cell with adhesive tape. Background Art

[0002] During the production process of lithium batteries, in order to prevent short circuits between the positive and negative poles of the battery cell, or to reduce damage caused by external impact or extrusion, glue is usually applied to the grooves of the battery cell to improve the safety performance of the battery cell and reduce the probability of accidents.

[0003] The prior art discloses a traction-type fully automatic adhesive tape device, which specifically includes a bending module, the bending module includes a bending lifting assembly and a bending adhesive tape assembly connected to the bending lifting assembly, the bending adhesive tape assembly includes a bending clamp cylinder and a bending adhesive tape roller connected to the bending clamp cylinder. During the specific bending process, the bending lifting assembly drives the bending adhesive tape assembly to move downward to bend the small ears of the grooved adhesive tape downward, and then the bending clamp cylinder drives the bending adhesive tape roller to spread the lower part of the small ears of the grooved adhesive tape on the bottom of the battery cell to complete the bending and pasting operation.

[0004] When the adhesive tape device disclosed above is applied to the bending and pasting operations of battery cells whose top sealing edge is not vertical 90° or whose back steps are large, using a traditional roller to apply the grooved adhesive tape ears will cause the ears to be smeared on the battery cell body, reducing the quality rate of the product, and increasing the thickness of the battery cell, reducing the yield rate during battery cell assembly. Utility Model Content

[0005] In order to address the deficiencies of the prior art, the utility model provides a device for applying small ears of adhesive tape to the grooves of battery cells, which improves the accuracy of applying small ears of adhesive tape to the grooves, increases the operation quality rate to more than 99.5%, ensures the thickness of the battery cell body, and improves the assembly yield.

[0006] The technical purpose to be achieved by the utility model is achieved through the following technical solutions:

[0007] The utility model provides a device for wiping the small ears of the battery groove with adhesive tape, comprising a first small ear wiping mechanism and a second small ear wiping mechanism, wherein the first small ear wiping mechanism is used for wiping the small ears on the right side, and the second small ear wiping mechanism is used for wiping the small ears on the left side;

[0008] The first ear-wiping mechanism comprises a first transverse drive, a first lifting drive, a first rotation drive, a second rotation drive and a first clamping assembly which are sequentially driven and connected;

[0009] The first clamping assembly is used to clamp the end of the right small ear. After the second rotary driver drives the first clamping assembly to rotate upward 90°, the first rotary driver drives the first clamping assembly to rotate downward 180°, so that the right small ear rotates around the right edge seal of the battery cell groove and then adheres to the battery cell groove.

[0010] In some implementations, the small ear wiping mechanism also includes a first tightening module, which is used to push up the right small ear attached to the battery cell groove to make the right small ear tightly attached to the battery cell groove to ensure the stability of the wiping.

[0011] In some implementations, the first tightening module includes a first upper lift driver and a first upper lift block, the first upper lift block is connected to the driving end of the first upper lift driver, and the first upper lift block presses the right small ear upward under the action of the first upper lift driver so that the right small ear is tightly attached to the battery cell groove.

[0012] In some implementations, the second ear-wiping mechanism includes a second lateral drive, a second lifting drive, a third rotation drive, a fourth rotation drive, and a second clamping assembly that are sequentially driven and connected;

[0013] The second clamping assembly is used to clamp the end of the left small ear. After the third rotary driver drives the second clamping assembly to rotate upward 90°, the fourth rotary driver drives the second clamping assembly to rotate downward 180°, so that the left small ear rotates around the left edge of the battery cell and then adheres to the battery cell groove, thereby improving the accuracy of pasting the small ear with adhesive tape in the groove and increasing the operation quality rate to more than 99.5%.

[0014] In some implementations, the second small ear wiping mechanism also includes a second tightening module, and the second tightening module is used to push up the left small ear attached to the battery cell groove tightly, so that the left small ear is tightly attached to the battery cell groove to ensure the stability of the wiping.

[0015] In some implementations, the second tightening module includes a second upper lift driver and a second upper lift block, the second upper lift block is connected to the driving end of the second upper lift driver, and the second upper lift block presses the left small ear upward under the action of the second upper lift driver so that the left small ear is tightly attached to the battery cell groove.

[0016] In some implementations, a pressure-maintaining mechanism is further included, and the pressure-maintaining mechanism is used to press the ends of the right small ear and the left small ear tightly against the battery cell groove to achieve automated and precise pasting operations.

[0017] In some implementations, the pressure-maintaining mechanism includes a clamp cylinder, a first clamp and a second clamp, and the first clamp and the second clamp are both connected to a driving end of the clamp cylinder;

[0018] The first clamp is located above the battery cell groove, and the second clamp is located below the battery cell groove. Under the action of the clamp cylinder, the first clamp and the second clamp clamp the ends of the right small ear and the left small ear to realize automated and precise pasting operation.

[0019] In some implementations, a first buffer is provided on a side of the first jaw close to the battery cell groove, and a second buffer is provided on a side of the second jaw close to the battery cell groove. Providing the first buffer and the second buffer can avoid hard force damage to the battery cell groove and ensure the operation efficiency.

[0020] In some implementations, a turntable mechanism is also included. The first wiping ear mechanism, the second wiping ear mechanism and the pressure maintaining mechanism are arranged in sequence along the rotation direction of the turntable mechanism. The turntable mechanism is used to rotate and transmit the battery cell, thereby reducing the number of positioning times during operation and achieving the effect of synchronous operation.

[0021] In summary, the utility model has at least the following benefits:

[0022] 1. The utility model provides a device for applying small ears of adhesive tape to battery cell grooves. A second rotary driver is arranged to drive the first clamping component to rotate upward 90°, and then the first rotary driver drives the first clamping component to rotate downward 180°, so that the small ears of adhesive tape on the grooves are rotated around the side sealing edge of the battery cell groove under the clamping and drive of the first clamping component, and then accurately attached to the battery cell groove, thereby improving the accuracy of applying the small ears of adhesive tape on the grooves and improving the operation quality rate to more than 99.5%.

[0023] 2. The utility model provides a device for applying adhesive tape to the battery cell groove. The small ears of the adhesive tape in the groove are driven by the first clamping component, rotate around the side sealing edge of the battery cell groove, and are accurately attached to the battery cell groove without being applied to the battery cell body, thereby ensuring the thickness of the battery cell body and improving the assembly yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of the device of Example 1 of the utility model;

[0025] Figure 2 This is a structural schematic diagram of a small ear wiping mechanism 1 of Example 1 of the utility model;

[0026] Figure 3 This is a state change diagram of the right small ear of Example 1 of the utility model;

[0027] Figure 4 This is a structural schematic diagram of the second small ear wiping mechanism of Example 2 of the utility model;

[0028] Figure 5This is a schematic structural diagram of the pressure-maintaining mechanism of Example 3 of the utility model;

[0029] Figure 6 This is a schematic diagram of the structure of the device of Example 3 of the utility model;

[0030] 100, small ear wiping mechanism 1; 110, first transverse movement driver; 120, first lifting driver; 130, first rotation driver; 140, second rotation driver; 150, first clamping assembly; 160, first tightening module; 161, first upper driving driver; 162, first upper block;

[0031] 200, the second small ear wiping mechanism; 210, the second transverse movement driver; 220, the second lifting driver; 230, the third rotation driver; 240, the fourth rotation driver; 250, the second clamping assembly; 260, the second tightening module; 261, the second upper driving driver; 262, the second upper block;

[0032] 300, pressure-maintaining mechanism; 310, clamp cylinder; 320, first clamping jaw; 321, first buffer; 330, second clamping jaw; 331, second buffer;

[0033] 400, turntable mechanism;

[0034] A is the end of the small ear on the right side;

[0035] B is the position on the right ear close to the battery cell groove. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. The described implementation is a part of the implementation of the utility model, not all of the implementations.

[0037] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0038] Embodiment 1:

[0039] See also Figure 1-Figure 3 , a device for applying small ears of adhesive tape to the grooves of battery cells, which is used to apply small ears of adhesive tape to the grooves of battery cells.

[0040] It is known that in the production process of lithium batteries, glue is usually applied to the battery cell groove. The battery cell groove includes a first surface and a second surface opposite to each other. After the adhesive tape body is attached to the first surface of the battery cell groove by the gluing mechanism, the small ears of the adhesive tape on the left and right sides of the battery cell groove along the width direction of the battery cell are respectively attached to the second surface of the battery cell groove after bypassing the left and right side sealing edges of the battery cell groove through the device provided by the utility model.

[0041] The device comprises a small ear wiping mechanism 100 and a small ear wiping mechanism 200, wherein the small ear wiping mechanism 100 is used for wiping the small ear on the right side of the adhesive tape, and the small ear wiping mechanism 200 is used for wiping the small ear on the left side of the adhesive tape.

[0042] The ear-wiping mechanism 100 includes a first transverse drive 110, a first lifting drive 120, a first rotation drive 130, a second rotation drive 140 and a first clamping assembly 150, which are sequentially driven and connected, that is, the driving end of the first transverse drive 110 is connected to the first lifting drive 120, the driving end of the first lifting drive 120 is connected to the first rotation drive 130, the driving end of the first rotation drive 130 is connected to the second rotation drive 140, and the driving end of the second rotation drive 140 is connected to the first clamping assembly 150. The first clamping assembly 150 can change its position under the individual or common driving action of the first transverse drive 110, the first lifting drive 120, the first rotation drive 130 and the second rotation drive 140.

[0043] The first clamping component 150 is used to clamp the end A of the right small ear of the tape. It should be noted that the right small ear referred to here is the tape portion located on the right side of the battery cell groove, and the first clamping component 150 only clamps the end A of the right small ear, that is, the first clamping component 150 clamps the portion of the right small ear away from one end of the battery cell groove. The clamping function is to facilitate the first clamping component 150 to drive the right small ear to perform the bending operation and to facilitate the release and reset of the first clamping component 150 after the bending is completed.

[0044] It can be known that the first clamping assembly 150 can be driven by the first transverse drive 110 and the first lifting drive 120 to move to the position corresponding to the end A of the right small ear, and then the first clamping assembly 150 clamps the end A of the right small ear. Figure 3, the second rotary driver 140 drives the first clamping assembly 150 to rotate upward by 90°. At this time, most of the right-side small ear still maintains its original state, while the end A of the right-side small ear is in an upright state as the first clamping assembly 150 rotates upward. Then, the first rotary driver 130 drives the first clamping assembly 150 to rotate downward by 180°. At this time, the position B on the right-side small ear close to the battery cell groove will rotate downward by 180° around the right side sealing edge of the battery cell groove, so that most of the right-side small ear is attached to the battery cell groove, combined with the above to understand, that is, attached to the second surface of the battery cell groove, while the end A of the right-side small ear is still clamped by the first clamping assembly 150, and at this time, the end A of the right-side small ear is still in an upright state, which can facilitate the first clamping assembly 150 to release the end A of the right-side small ear without interfering with the battery cell groove, and can be restored to the initial position under the driving action of the first moving driver and the first lifting driver 120.

[0045] In some embodiments, the small ear wiping mechanism 100 further includes a first tightening module 160, which is used to push up the right small ear attached to the battery cell groove to make the right small ear tightly attached to the battery cell groove to ensure the stability of the wiping.

[0046] Specifically, the first tightening module 160 includes a first upper lift driver 161 and a first upper lift block 162. The first upper lift block 162 is connected to the driving end of the first upper lift driver 161. Under the action of the first upper lift driver 161, the first upper lift block 162 presses the right small ear upward to make the right small ear close to the battery cell groove.

[0047] It can be understood that, driven by the rotation of the first clamping assembly 150, after most of the right side small ear is attached to the battery cell groove, the first top block 162 is then driven by the first top driver 161 to push the right side small ear upwards tightly attached to the battery cell groove, and then, after the first top block 162 retreats under the driving action of the first top driver 161, the first clamping assembly 150 releases the end of the right side small ear, and the end portion of the right side small ear can be pressed and attached by subsequent mechanisms. Of course, it is also possible that after the first clamping assembly 150 retreats, the first top block 162 is driven by the first top driver 161 to push the right side small ear upwards tightly.

[0048] The structure and operation principle of the small ear wiping mechanism 200 may be understood by referring to the small ear wiping mechanism 100 , and the small ear wiping mechanism 200 is used to complete the wiping operation of the small ear on the left side.

[0049] The device provided by the utility model can make the small ears of the groove adhesive tape accurately adhere to the groove of the battery cell, improve the accuracy of applying the small ears of the groove adhesive tape, increase the operation quality rate to more than 99.5%, ensure the thickness of the battery cell body, and improve the assembly yield.

[0050] Embodiment 2:

[0051] The difference between this embodiment and embodiment 1 is that this embodiment further optimizes the structure of the device of the utility model, see Figure 4 .

[0052] The second ear-wiping mechanism 200 includes a second transverse drive 210, a second lifting drive 220, a third rotation drive 230, a fourth rotation drive 240 and a second clamping assembly 250 which are sequentially driven and connected; that is, the driving end of the second transverse drive 210 is connected to the second lifting drive 220, the driving end of the second lifting drive 220 is connected to the third rotation drive 230, the driving end of the third rotation drive 230 is connected to the fourth rotation drive 240, and the driving end of the fourth rotation drive 240 is connected to the second clamping assembly 250. The second clamping assembly 250 can change its position under the individual or joint driving action of the second transverse drive 210, the second lifting drive 220, the third rotation drive 230 and the fourth rotation drive 240.

[0053] The second clamping assembly 250 is used to clamp the end of the left small ear of the tape. It should be noted that the left small ear referred to here is the portion of the tape located on the left side of the battery cell groove, and the second clamping assembly 250 only clamps the end of the left small ear, that is, the second clamping assembly 250 clamps the portion of the left small ear away from one end of the battery cell groove. The clamping function is to facilitate the second clamping assembly 250 to drive the left small ear to perform the bending operation and to facilitate the release and reset of the second clamping assembly 250 after the bending is completed.

[0054] During the specific operation, the second clamping assembly 250 clamps the end of the left small ear, and then the fourth rotation driver 240 drives the second clamping assembly 250 to rotate upward 90°. At this time, most of the left small ear still maintains its original state, while the end of the left small ear is in an upright state as the second clamping assembly 250 rotates upward. Then, the third rotation driver 230 drives the second clamping assembly 250 to rotate downward 180°. At this time, the position of the left small ear close to the battery cell groove will rotate downward 180° around the left side sealing edge of the battery cell groove, so that most of the left small ear is attached to the battery cell groove, that is, attached to the second surface of the battery cell groove, while the end of the left small ear is still clamped by the second clamping assembly 250, and at this time the end of the left small ear is still in an upright state, which can facilitate the second clamping assembly 250 to release the end of the left small ear without interfering with the battery cell groove, and can be restored to the initial position under the driving action of the second moving driver and the second lifting driver 220.

[0055] In some embodiments, the second small ear wiping mechanism 200 further includes a second tightening module 260, which is used to push up the left small ear attached to the battery cell groove tightly so that the left small ear is tightly attached to the battery cell groove to ensure the stability of the wiping.

[0056] Specifically, the second tightening module 260 includes a second upper top driver 261 and a second upper top block 262. The second upper top block 262 is connected to the driving end of the second upper top driver 261. Under the action of the second upper top driver 261, the second upper top block 262 presses the left small ear upward to make the left small ear close to the battery cell groove.

[0057] Embodiment 3:

[0058] The difference between this embodiment and embodiment 1 is that this embodiment further optimizes the structure of the device of the utility model, see Figure 5 and Figure 6 .

[0059] The device also includes a pressure-maintaining mechanism 300, which is used to press the ends of the right small ear and the left small ear tightly against the battery cell groove to achieve an automated and precise pasting operation.

[0060] It can be seen from the content of Example 1 that after most of the right-side small ear is attached to the second surface of the battery cell groove, the end of the right-side small ear is still clamped by the first clamping assembly 150, and at this time the end of the right-side small ear is still in an upright state, which can facilitate the first clamping assembly 150 to release the end of the right-side small ear without interfering with the battery cell groove, and can be restored to the initial position under the driving action of the first moving drive and the first lifting drive 120.

[0061] After the first clamping component 150 releases the end of the right small ear and restores it to its initial state, the end of the right small ear is affected by its own plasticity and the temporary clamping deformation by the first clamping component 150. Relative to the second surface of the battery cell groove, the end of the right small ear is inclined. Similarly, after the operation of the small ear wiping mechanism 200, the end of the left small ear is also inclined. The pressure holding mechanism 300 provided in this embodiment is used to press the ends of the inclined right small ear and the left small ear tightly against the battery cell groove.

[0062] Specifically, the pressure-maintaining mechanism 300 includes a clamp cylinder 310, a first clamping jaw 320, and a second clamping jaw 330. The first clamping jaw 320 and the second clamping jaw 330 are both connected to the driving end of the clamp cylinder 310. The first clamping jaw 320 and the second clamping jaw 330 can be closed or separated with each other under the driving action of the clamp cylinder 310. The first clamping jaw 320 is located above the battery cell groove, and the second clamping jaw 330 is located below the battery cell groove. Under the action of the clamp cylinder 310, the first clamping jaw 320 and the second clamping jaw 330 clamp the ends of the right small ear and the left small ear, thereby realizing an automated and precise pasting operation.

[0063] A first buffer 321 is provided on one side of the first clamp 320 close to the cell groove, and a second buffer 331 is provided on one side of the second clamp 330 close to the cell groove. The first buffer 321 and the second buffer 331 can avoid hard force damage to the cell groove and ensure the operation efficiency.

[0064] In some embodiments, the device also includes a turntable mechanism 400, and the small ear mechanism 1 100, the small ear mechanism 200 and the pressure holding mechanism 300 are arranged in sequence along the rotation direction of the turntable mechanism 400. The turntable mechanism 400 is used to rotate and transmit the battery cells to reduce the number of positioning times during operation and achieve the effect of synchronous operation.

[0065] For example, the battery cell first rotates the turntable mechanism 400 to the corresponding position of the small ear wiping mechanism 100. After the small ear wiping mechanism 100 completes the wiping of the right small ear, the battery cell is then rotated and transmitted by the turntable mechanism 400 to the corresponding position of the small ear wiping mechanism 2 200. The small ear wiping mechanism 200 completes the wiping of the left small ear. Finally, under the rotation and transmission action of the turntable mechanism 400, the battery cell moves to the corresponding position of the pressure holding mechanism 300. The pressure holding mechanism 300 clamps the ends of the right small ear and the left small ear, thereby realizing automated and precise wiping operations.

[0066] The utility model provides a device for applying small ears of adhesive tape to battery cell grooves, wherein a second rotary driver is arranged to drive a first clamping component to rotate upward by 90°, and then the first rotary driver is used to drive the first clamping component to rotate downward by 180°, so that the small ears of adhesive tape on the grooves are rotated around the side sealing edge of the battery cell grooves under the clamping and driving of the first clamping component, and then are accurately attached to the battery cell grooves, thereby improving the accuracy of applying the small ears of adhesive tape on the grooves, increasing the operation quality rate to more than 99.5%, ensuring the thickness of the battery cell body, and improving the assembly yield rate.

[0067] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0068] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0069] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0070] In the present utility model, unless otherwise clearly specified and limited, the first feature being above or below the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature being above, above, and above the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being below, below, and below the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0071] Although the utility model is described in conjunction with the above specific embodiments, it is obvious that those skilled in the art can make many substitutions, modifications and changes based on the above content. Therefore, all such substitutions, improvements and changes are included in the spirit and scope of the appended claims.

Claims

1. A device for applying adhesive tape to the groove of a battery cell, characterized in that: It comprises a small ear wiping mechanism 1 (100) and a small ear wiping mechanism 2 (200), wherein the small ear wiping mechanism 1 (100) is used to wipe the small ear on the right side, and the small ear wiping mechanism 2 (200) is used to wipe the small ear on the left side; The ear-wiping mechanism (100) comprises a first transverse drive (110), a first lifting drive (120), a first rotation drive (130), a second rotation drive (140) and a first clamping assembly (150) which are sequentially driven and connected; The first clamping assembly (150) is used to clamp the end of the right small ear. After the second rotary driver (140) drives the first clamping assembly (150) to rotate upward by 90°, the first rotary driver (130) drives the first clamping assembly (150) to rotate downward by 180°, so that the right small ear rotates around the right side sealing edge of the battery cell groove and is attached to the battery cell groove.

2. The device for applying adhesive tape to the groove of a battery cell according to claim 1, characterized in that: The small ear wiping mechanism (100) further comprises a first tightening module (160), wherein the first tightening module (160) is used to tighten the right small ear attached to the battery cell groove upward.

3. The device for applying adhesive tape to the groove of a battery cell according to claim 2, characterized in that: The first tightening module (160) comprises a first upper lifting driver (161) and a first upper lifting block (162), wherein the first upper lifting block (162) is connected to the driving end of the first upper lifting driver (161).

4. The device for applying adhesive tape to the groove of a battery cell according to claim 1, characterized in that: The second ear-wiping mechanism (200) comprises a second transverse drive (210), a second lifting drive (220), a third rotation drive (230), a fourth rotation drive (240) and a second clamping assembly (250) which are sequentially driven and connected; The second clamping assembly (250) is used to clamp the end of the left small ear. After the third rotary driver (230) drives the second clamping assembly (250) to rotate upward by 90°, the fourth rotary driver (240) drives the second clamping assembly (250) to rotate downward by 180°, so that the left small ear rotates around the left edge of the battery cell and is attached to the battery cell groove.

5. The device for applying adhesive tape to the groove of a battery cell according to claim 4, characterized in that: The second small ear wiping mechanism (200) further comprises a second tightening module (260), wherein the second tightening module (260) is used to tighten the left small ear attached to the battery cell groove upward.

6. The device for applying adhesive tape to the groove of a battery cell according to claim 5, characterized in that: The second tightening module (260) comprises a second upper lift driver (261) and a second upper lift block (262), and the second upper lift block (262) is connected to the driving end of the second upper lift driver (261).

7. The device for applying adhesive tape to the groove of a battery cell according to claim 1, characterized in that: It also comprises a pressure-maintaining mechanism (300), wherein the pressure-maintaining mechanism (300) is used to press the end of the right small ear and the end of the left small ear tightly against the battery cell groove.

8. The device for applying adhesive tape to the groove of a battery cell according to claim 7, characterized in that: The pressure-maintaining mechanism (300) comprises a clamp cylinder (310), a first clamping jaw (320) and a second clamping jaw (330), wherein the first clamping jaw (320) and the second clamping jaw (330) are both connected to the driving end of the clamp cylinder (310); The first clamping jaw (320) is located above the battery cell groove, and the second clamping jaw (330) is located below the battery cell groove.

9. The device for applying adhesive tape to the groove of a battery cell according to claim 8, characterized in that: A first buffer (321) is provided on one side of the first clamping jaw (320) close to the battery cell groove, and a second buffer (331) is provided on one side of the second clamping jaw (330) close to the battery cell groove.

10. The device for applying adhesive tape to the groove of a battery cell according to claim 7, characterized in that: It also includes a turntable mechanism (400), wherein the first ear-wiping mechanism (100), the second ear-wiping mechanism (200) and the pressure-maintaining mechanism (300) are arranged in sequence along the rotation direction of the turntable mechanism (400).

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