Battery cell rubberizing device

Abstract

The utility model relates to battery production technical field discloses a kind of battery cell rubberizing devices, including rubberizing unit, it includes the adhesive tape conveying assembly for conveying adhesive tape, the cutting assembly for cutting adhesive tape into preset size, and the rubberizing assembly for adhering the adhesive tape after cutting to the bottom of battery cell, when adhesive tape is adhered to the bottom of battery cell, the bottom four corners of battery cell can be covered and at least partially protrude from the outside of battery cell, the unit is used for flattening the adhesive tape protruding from the outside of battery cell respectively along the edge of battery cell to the surface of battery cell, so that adhesive tape completely wraps the bottom four corners of battery cell, the utility model can effectively avoid the risk of powder leakage at the bottom four corners of battery cell and mylar film hole, reduce short-circuit rate, the device is fully automated operation, solve the problems such as low efficiency of manual rubberizing, uneven manual adhesion, bubble residue, ensure that rubberizing quality consistency, can also be efficiently adapted with existing Mylar film wrapping hot pressing production line, significantly improve production efficiency and battery cell qualification rate.

Description

Technical Field

[0001] This utility model relates to the field of battery production technology, and in particular to a battery cell adhesive bonding device. Background Technology

[0002] Lithium-ion batteries are a type of rechargeable battery that primarily relies on the movement of lithium ions between the positive and negative electrodes to function. Due to their high energy density, long cycle life, high efficiency, and environmental friendliness, lithium-ion batteries are a novel chemical power source that meets the needs of social development and scientific progress. However, during the production process of lithium-ion batteries, unstable factors in the cell manufacturing process can easily lead to process defects, quality issues, and short circuits during cell assembly.

[0003] Currently, the coating processes used in existing battery cell assembly lines are mainly divided into two categories: large-scale adhesive coating and Mylar film hot-press coating. Although large-scale adhesive coating offers superior protective performance, considering process standard requirements, technical barriers, and actual production line conditions, the battery cell yield rate using large-scale adhesive coating is significantly lower than that using Mylar film hot-press coating. Therefore, Mylar film hot-press coating remains the mainstream coating method in some battery cell production processes.

[0004] In the production line of battery cells using the Mylar film hot stamping process, the existing assembly process is prone to powder leakage at the four corners of the bottom of the battery cell. To address this issue, the traditional method of fixing and binding with Mylar film and applying adhesive cannot provide effective protection and cannot fundamentally avoid the risk of powder leakage. Sampling and disassembly of battery cells from the production line revealed traces of battery powder leakage at all four corners of the aluminum casing, posing a significant short-circuit hazard.

[0005] Therefore, there is an urgent need in this field for a new technical solution and corresponding equipment to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to provide a battery cell adhesive applicator to solve the problems in the prior art. By adding adhesive to the bottom, the risk of powder leakage at the four corners of the bottom and the holes of the Mylar film is avoided, thereby improving the overall pass rate of the battery cell assembly line, reducing the short circuit rate, improving the quality of the battery cells, and adapting to higher battery cell assembly standards.

[0007] This utility model provides a battery cell adhesive bonding device, comprising: A conveying unit is used to carry the battery cell and drive the battery cell to move along a first preset path; The adhesive application unit includes an adhesive tape conveying assembly for conveying adhesive tape, a cutting assembly for cutting the adhesive tape into a preset size, and an adhesive application assembly for applying the cut adhesive tape to the bottom of the battery cell. When the adhesive tape is applied to the bottom of the battery cell, it can cover the four bottom corners of the battery cell and at least partially protrude from the outside of the battery cell. The shaping unit is used to smooth the tape protruding from the outside of the battery cell along the edge of the battery cell toward the surface of the battery cell, so that the tape completely covers the four bottom corners of the battery cell.

[0008] In the battery cell adhesive bonding device described above, preferably, the conveying unit includes a divider turntable, which has multiple stations for carrying battery cells. Each station is provided with a clamping assembly, which includes a gripper and a first cylinder. The first cylinder is used to drive the gripper to extend and retract to clamp or release the battery cell at the station.

[0009] As described above, the battery cell adhesive applicator is preferably located on one side of a logistics line for conveying heat-treated battery cells. The battery cell adhesive applicator also includes a feeding unit and a discharging unit. The feeding unit includes a feeding robot and a first linear motor. The feeding robot is used to grab the battery cells upstream of the logistics line and put them into the conveying unit. The first linear motor is used to drive the feeding robot to move. The unloading unit includes an unloading robot and a second linear motor. The unloading robot is used to pick up the battery cells after the adhesive has been applied, and the second linear motor is used to drive the unloading robot to move the picked-up battery cells from the conveying unit to the downstream of the logistics line.

[0010] In the battery cell adhesive application device described above, preferably, the tape conveying assembly includes a tape reel and a plurality of tape-pulling rollers arranged sequentially along the tape conveying path. The tape reel is used to store the tape, and the plurality of tape-pulling rollers rotate and pull the tape to be released from the tape reel, so that the tape forms a tensioned stretch section on the conveying path.

[0011] In the battery cell adhesive applicator described above, preferably, the cutting assembly includes a cutting blade and a second cylinder, the second cylinder driving the cutting blade to extend and retract to cut the adhesive tape.

[0012] In the battery cell adhesive applicator described above, preferably, the adhesive applicator assembly includes an adhesive suction head, a third cylinder, and a third linear motor. The adhesive suction head is used to absorb the cut adhesive tape, the third cylinder is used to drive the adhesive suction head to extend and retract to absorb the cut adhesive tape, and the third linear motor is used to drive the adhesive suction head to reciprocate.

[0013] In the battery cell adhesive applicator described above, preferably, the shaping unit includes multiple sets of fourth cylinders and smoothing brushes arranged along the length and width directions of the battery cell. The fourth cylinders are used to drive the smoothing brushes to extend and retract, and during the extension and retraction of the smoothing brushes, the adhesive tape protruding from the outside of the battery cell is smoothed to the corresponding surface of the battery cell.

[0014] In the battery cell adhesive applicator described above, preferably, the smoothing brush is symmetrically arranged along the upper and lower surfaces of the battery cell, and during the extension and retraction process, the smoothing brush can simultaneously smooth the adhesive tape along the upper and lower surfaces of the battery cell.

[0015] In the battery cell adhesive application device described above, preferably, the battery cell adhesive application device further includes a CCD adhesive application detection unit disposed at the rear end of the shaping unit along a first preset path. The CCD adhesive application detection unit includes a CCD camera and a fourth linear motor. The CCD camera is used to perform adhesive application detection on the battery cell after adhesive application, and the fourth linear motor is used to drive the CCD camera to move closer to or away from the battery cell.

[0016] In the battery cell adhesive application device described above, preferably, the battery cell adhesive application device further includes an NG line for receiving NG battery cells detected by the CCD adhesive application detection unit.

[0017] Compared with the prior art, this utility model realizes the transmission and positioning of the battery cell through the conveying unit, and the adhesive application unit automatically completes the tape conveying, cutting and bottom adhesive application, ensuring that the tape accurately covers the four bottom corners that are prone to powder leakage and leaves a protruding part. The shaping unit smooths the protruding tape along the edge of the battery cell to the surface of the battery cell, forming a full wrap protection for the four bottom corners, effectively avoiding the risk of powder leakage at the four bottom corners of the battery cell and the holes of the Mylar film, thereby improving the overall pass rate of the battery cell assembly line, reducing the short circuit rate, and after the powder leakage phenomenon is improved, it can avoid the long-term corrosion of the aluminum shell of the battery cell by the leaked powder. Therefore, it can also improve the quality of the battery cell and adapt to higher battery cell assembly standards. This device operates fully automatically, solving problems such as low efficiency, uneven application, and air bubble residue associated with traditional bottom corner adhesive application or manual application. It ensures consistent adhesive application quality and can be efficiently adapted to existing Mylar film hot stamping production lines, significantly improving production efficiency and battery cell qualification rate. Attached Figure Description

[0018] Figure 1 This is a perspective view of the battery cell adhesive application device provided in an embodiment of this utility model; Figure 2 This is a partial enlarged view of the battery cell adhesive application device provided in an embodiment of this utility model; Figure 3 This is a top view of the battery cell adhesive application device provided in an embodiment of this utility model; Figure 4 This is a partially enlarged view of the conveying unit provided in an embodiment of this utility model; Figure 5 This is a partially enlarged view of the adhesive application unit provided in an embodiment of this utility model. Figure 6 This is a partially enlarged view of the shaping unit provided in an embodiment of this utility model; Figure 7 This is a picture of the finished product after the bottom of the battery cell has been glued, as provided in an embodiment of this utility model.

[0019] Explanation of reference numerals in the attached figures: 10. Conveying unit; 11. Workstation; 12. Gripper; 13. First cylinder; 20. Adhesive application unit; 21. Adhesive tray; 22. Adhesive pulling roller; 23. Cutting knife; 24. Second cylinder; 25. Adhesive suction head; 26. Third cylinder; 27. Third linear motor; 30. Shaping unit; 31. Fourth cylinder; 32. Smoothing brush; 40. Feeding unit; 41. Feeding robot; 42. First linear motor; 50. Unloading unit; 51. Unloading robot; 52. Second linear motor; 60. CCD adhesive detection unit; 61. CCD camera; 62. Fourth linear motor; 70. Logistics line; 71. NG line body; 80. Finished battery cell; 81. Left side tape; 82. Right side tape. Detailed Implementation

[0020] The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0021] To address the issue of powder leakage at the bottom four corners when wrapping the battery cell with Mylar film, the current solution is to manually apply adhesive tape to the bottom four corners of the battery cell after the Mylar film has been heat-pressed. However, this method is not only inefficient, but also makes it difficult to ensure a smooth application surface, which may result in weak adhesion and affect subsequent use.

[0022] See Figure 1-7 As shown, this embodiment provides a battery cell adhesive application device, including a conveying unit 10, an adhesive application unit 20, and a shaping unit 30, wherein: The conveying unit 10 is used to carry the battery cell and drive the battery cell to move along a first preset path. The adhesive application unit 20 includes an adhesive tape conveying assembly for conveying adhesive tape, a cutting assembly for cutting the adhesive tape into a preset size, and an adhesive application assembly for applying the cut adhesive tape to the bottom of the battery cell. When the adhesive tape is applied to the bottom of the battery cell, it can cover the four bottom corners of the battery cell and at least partially protrude from the outside of the battery cell. The shaping unit 30 is used to smooth the adhesive tape protruding from the outside of the battery cell along the edge of the battery cell toward the surface of the battery cell, so that the adhesive tape completely wraps the four bottom corners of the battery cell. In the embodiments provided in this application, the conveying unit 10 drives the battery cell after the Mylar film heat treatment to pass sequentially through the adhesive application unit 20 and the shaping unit 30. The adhesive application unit 20 can automatically cut the adhesive tape and attach it to the bottom of the battery cell with high precision, avoiding missed or insufficient application caused by manual positioning deviation. The shaping unit 30 can eliminate air between the adhesive tape and the battery cell when smoothing the adhesive tape, avoiding wrinkles, air bubbles and other problems that may occur with manual adhesive application, and ensuring a firm bond. In this embodiment, the preset size of the adhesive tape is larger than the bottom area of ​​the battery cell. The bottom of the battery cell is covered by the whole piece of adhesive tape, and the protruding adhesive tape is smoothed to the sides and top and bottom surfaces of the battery cell. The adhesive tape after application can completely wrap the four bottom corners of the battery cell, preventing powder leakage.

[0023] Of course, to reduce tape consumption, segmented application can be used. Tape is applied only to the critical areas on the bottom sides of the cell where powder leakage is likely, without covering the entire bottom. Covering only the bottom and sides of the cell with tape, combined with the smoothing action of the shaping unit 30, still completely wraps the four bottom corners, preventing powder leakage and reducing tape consumption. This significantly reduces material costs in long-term mass production. (Finished cell 80, such as...) Figure 7 As shown, adhesive tape 81 on the left and adhesive tape 82 on the right are respectively attached to the bottom left and right sides of the battery cell.

[0024] See Figure 4 As shown, in some embodiments of this application, the conveying unit 10 includes a dividing turntable with multiple workstations 11 for carrying battery cells. Each workstation 11 is equipped with a clamping assembly, which includes a gripper 12 and a first cylinder 13. The first cylinder 13 drives the gripper 12 to extend and retract to clamp or release the battery cells on the workstation 11. The dividing turntable can achieve intermittent rotation at equal angles without impact. Its rotation speed and pause time can be precisely set. The adhesive application unit 20 and the shaping unit 30 can be distributed circumferentially around the turntable. Compared with the linear conveying unit 10, there is no need to reserve a long-distance straight conveying channel, which greatly saves the workshop floor space and achieves a compact layout. Multiple workstations 11 can perform different operations simultaneously without having to start the next battery cell after a single battery cell completes the entire process. The clamping assembly can prevent battery cell displacement, and by setting the gripper 12, it can adapt to battery cells of different sizes.

[0025] See Figure 1-2As shown, in this embodiment, the battery cell adhesive applicator is located on one side of the logistics line 70, which is used to transport the heat-treated battery cells. The battery cell adhesive applicator also includes a loading unit 40 and a unloading unit 50. The battery cell adhesive applicator is installed on one side of the logistics line 70, and the conveying unit 10 uses a divider turntable. The loading unit 40 picks up the battery cells to be adhesive-applied, and the unloading unit 50 sends the finished product back downstream of the logistics line 70. This device shares a logistics line 70 with the loading and unloading battery cells, eliminating the need for additional waiting areas and finished product areas, reducing space occupation, and making the overall production line layout more compact.

[0026] See Figure 1-2 As shown, in one feasible embodiment, the loading unit 40 includes a loading robot 41 and a first linear motor 42. The loading robot 41 is used to grab the battery cells upstream of the logistics line 70 and place them into the conveying unit 10. The first linear motor 42 is used to drive the loading robot 41 to move. The unloading unit 50 includes an unloading robot 51 and a second linear motor 52. The unloading robot 51 is used to grab the battery cells after adhesive application. The second linear motor 52 is used to drive the unloading robot 51 to move, so as to move the grabbed battery cells from the conveying unit 10 to the downstream of the logistics line 70. The logistics line 70 continuously conveys the battery cells to be adhesive applied. The loading unit 40 grabs them to the divider turntable in a rhythmic manner. The finished products are sent back to the logistics line 70 through the unloading unit 50, forming a continuous operation. It should be noted that the gripping action of the loading robot 41 and the unloading robot 51 can be achieved by the extension and retraction of a cylinder. Those skilled in the art can directly know this based on existing technology and common knowledge, and it will not be elaborated here.

[0027] See Figure 1-2 As shown, if the conveyor belt is transported by simple traction, it is easy for local slack to occur due to inertia or the belt's own toughness, resulting in wrinkles or stacking. In this embodiment, the conveyor belt assembly includes a refill tray 21 and multiple pull rollers 22 arranged sequentially along the conveyor belt path. The refill tray 21 is used to store the conveyor belt. The multiple pull rollers 22 rotate and pull the conveyor belt to be released from the refill tray 21, so that the conveyor belt forms a tensioned stretch section on the conveyor path. The multiple sets of pull rollers 22 are staggered to form a continuously bending conveyor path. Through continuous traction and guidance, the conveyor belt will closely adhere to the roller surface in the tensioned state and move along a fixed trajectory, ensuring that the conveyor belt remains flat, wrinkle-free, and curl-free during the conveying process. In addition, by controlling the speed difference between adjacent rollers, the tension of the conveyor belt can be stably controlled, avoiding excessive tension that causes the conveyor belt to stretch and deform, or insufficient tension that causes the conveying position to deviate. A cutting unit is set at the end of the conveyor belt path, and the conveyor belt is cut into a preset size by the extension and retraction of the cutting blade 23.

[0028] See Figure 5As shown, in this embodiment, the cutting assembly includes a cutting blade 23 and a second cylinder 24. The second cylinder 24 drives the cutting blade 23 to extend and retract to cut the tape. Two cutting blades 23 are symmetrically arranged. The preset size of the tape can be controlled by adjusting the distance between the two cutting blades 23. The cutting edge of the cutting blade 23 faces the surface of the tape. The second cylinder 24 drives the cutting blade 23 to move back and forth to cut the tape. Of course, the cutting blade 23 can also be configured to move up and down to cut the tape depending on the spatial layout; this is not limited here.

[0029] See Figure 2 and Figure 5 As shown, in this embodiment, the adhesive application assembly includes an adhesive suction head 25, a third cylinder 26, and a third linear motor 27. The adhesive suction head 25 is used to absorb the cut adhesive tape, the third cylinder 26 is used to drive the adhesive suction head 25 to extend and retract to absorb the cut adhesive tape, and the third linear motor 27 is used to drive the adhesive suction head 25 to reciprocate. As a feasible implementation, both the cutting blade 23 and the tape before cutting are lower than the height of the battery cell. The cutting blade 23 moves back and forth to cut the tape, and the adhesive suction head 25 moves down synchronously to the same height as the cutting blade 23 during the cutting process. When the cutting is complete, the adhesive suction head 25 absorbs the cut tape and then moves up to the same height as the battery cell. The third linear motor 27 drives the adhesive suction head 25 and the tape together to the bottom of the battery cell. After applying the left side tape 81 and the right side tape 82 respectively, the adhesive suction head 25 releases the tape and is reset by the third linear motor 27. Of course, the specific operation flow of the cutting assembly and the adhesive application assembly can also be arranged reasonably according to the space available, and is not limited here.

[0030] See Figure 1-2 and Figure 6 As shown, manual operation makes it difficult to ensure a smooth surface and easily results in missed areas. To address this issue, in this embodiment, the shaping unit 30 includes multiple sets of fourth cylinders 31 and smoothing brushes 32 arranged along the length and width directions of the battery cell. The fourth cylinders 31 drive the smoothing brushes 32 to extend and retract. During the extension and retraction of the smoothing brushes 32, the tape protruding from the outside of the battery cell is smoothed to the corresponding surface of the battery cell. The multiple sets of smoothing brushes 32 in the length and width directions can smooth the protruding parts of the tape to the upper surface, lower surface, and sides of the battery cell, ensuring that the four bottom corners are completely covered. This avoids partial missed areas caused by hand obstruction during manual operation. By setting the extension and retraction stroke of the fourth cylinders 31, the protruding areas of the tape on battery cells of different sizes can be covered without replacing the smoothing components, making it highly adaptable.

[0031] See Figure 6As shown, in this embodiment, the smoothing brushes 32 on the same set of cylinders are symmetrically arranged along the upper and lower surfaces of the battery cell. During the extension and retraction process, the smoothing brushes 32 can simultaneously smooth the tape along the upper and lower surfaces of the battery cell. The symmetrically arranged smoothing brushes 32 can simultaneously smooth the tape on the upper and lower surfaces of the battery cell, eliminating the need for two separate operations, shortening the shaping time, and eliminating the need for additional flipping or shifting mechanisms for the smoothing brushes 32. The dual-surface operation can be completed simply by the synchronous extension and retraction of one set of cylinders, simplifying the operation process. Synchronous smoothing also ensures uniform pressure on the upper and lower surfaces, improving the consistency of the wrapping. Furthermore, the smoothing brushes 32 are all made of soft materials, such as nylon filaments and sponge, which can more evenly distribute pressure when synchronously contacting the surface of the battery cell, avoiding scratching the battery cell. Compared with manual pressing on one side with fingers, the protection effect is better.

[0032] See Figure 1-3 As shown, in some embodiments of this application, the battery cell adhesive applicator further includes a CCD adhesive detection unit 60 located at the rear end of the shaping unit 30 along a first preset path. The CCD adhesive detection unit 60 includes a CCD camera 61 and a fourth linear motor 62. The CCD camera 61 is used to detect the adhesive application on the battery cell after application, and the fourth linear motor 62 is used to drive the CCD camera 61 closer to or further away from the battery cell. The CCD camera 61 can be a 2D camera, which can accurately capture images and upload data, thereby ensuring the positional accuracy and precision of the adhesive application on the bottom of each battery cell. The fourth linear motor 62 is equipped with two CCD cameras 61 facing the upper and lower surfaces of the battery cell, respectively. The travel movement of the two CCD cameras 61 is controlled so that the CCD cameras 61 can reasonably capture the focal position, ensuring the clarity of the captured images. It should be noted that the CCD camera 61 mainly inspects the top and bottom surfaces of the battery cell after adhesive is applied. If there are no defects on the top and bottom surfaces, there will be no defects on the other sides and bottom. The acquired images can identify whether the tape completely covers the four bottom corners, whether there are bubbles or wrinkles, whether the tape offset exceeds the preset range, and whether the tape is broken, etc., effectively detecting subtle problems that are difficult for humans to detect and improving the product qualification rate.

[0033] See Figure 3As shown, the cell bonding device further includes an NG line 71 for receiving NG cells detected by the CCD bonding detection unit 60. The NG line 71 is located downstream of the material flow line 70 and can be used by the unloading unit 50 to screen good and bad cells. When the CCD bonding detection unit 60 detects that a cell meets a preset standard, the unloading unit 50 picks up the cell and moves it downstream of the material flow line 70. When an NG cell is detected, the unloading unit 50 picks up the NG cell and moves it to the NG line 71 for rejection. This embodiment, through the combination of the CCD bonding detection unit 60 and the NG line 71, ensures the yield rate of the bonding process, improves the stability and pass rate of the cell production process on the production line, and prevents defective cells from flowing into subsequent process machines during the bonding process, thereby improving product quality and facilitating the smooth progress of subsequent battery assembly.

[0034] Based on the above embodiments, the working principle of the battery cell adhesive applicator of this utility model is as follows: After being heat-sealed with Mylar film, the battery cells are transported from the logistics line 70. When they reach the conveying unit 10, the loading unit 40 picks up and transfers the battery cells to the preset station 11. The adhesive roller 22 pulls the adhesive tape on the adhesive tray 21 to the cutting unit. After the adhesive tape is cut to the preset size, it is picked up by the adhesive suction head 25 and moved to the surface of the battery cell. The adhesive tape is then attached to the left and right sides of the bottom of the battery cell. The battery cell continues to move to the shaping unit 30. The smoothing brush 32 moves the portion of the adhesive tape protruding from the surface of the battery cell towards the surface of the battery cell until the adhesive tape is attached to the sides of the battery cell and the corresponding upper and lower surfaces. After the battery cell is shaped, it moves to the CCD adhesive detection unit 60. Battery cells that pass the detection by the CCD camera 61 are picked up by the unloading unit 50 and transferred to the downstream of the logistics line 70. Unqualified battery cells are picked up by the unloading unit 50 and transferred to the NG line 71.

[0035] The above description, based on the embodiments shown in the drawings, details the structure, features, and effects of this utility model. The above description is only a preferred embodiment of this utility model, but the scope of implementation of this utility model is not limited to what is shown in the drawings. Any changes made in accordance with the concept of this utility model, or modifications to equivalent embodiments, that do not exceed the spirit covered by the specification and drawings, shall be within the protection scope of this utility model.

Claims

1. A battery cell adhesive bonding device, characterized in that, include: A conveying unit is used to carry the battery cell and drive the battery cell to move along a first preset path; The adhesive application unit includes an adhesive tape conveying assembly for conveying adhesive tape, a cutting assembly for cutting the adhesive tape into a preset size, and an adhesive application assembly for applying the cut adhesive tape to the bottom of the battery cell. When the adhesive tape is applied to the bottom of the battery cell, it can cover the four bottom corners of the battery cell and at least partially protrude from the outside of the battery cell. The shaping unit is used to smooth the tape protruding from the outside of the battery cell along the edge of the battery cell to each surface of the battery cell, so that the tape completely covers the bottom four corners of the battery cell.

2. The battery cell adhesive applicator according to claim 1, characterized in that, The conveying unit includes a divider turntable, which has multiple stations for carrying battery cells. Each station is equipped with a clamping assembly, which includes a gripper and a first cylinder. The first cylinder is used to drive the gripper to extend and retract to clamp or release the battery cell at the station.

3. The battery cell adhesive applicator according to claim 1, characterized in that, The battery cell adhesive application device is located on one side of the logistics line, which is used to transport the heat-sealed battery cells. The battery cell adhesive application device also includes a feeding unit and a discharging unit. The feeding unit includes a feeding robot and a first linear motor. The feeding robot is used to grab the battery cells upstream of the logistics line and put them into the conveying unit. The first linear motor is used to drive the feeding robot to move. The unloading unit includes an unloading robot and a second linear motor. The unloading robot is used to pick up the battery cells after the adhesive has been applied, and the second linear motor is used to drive the unloading robot to move the picked-up battery cells from the conveying unit to the downstream of the logistics line.

4. The battery cell adhesive applicator according to claim 1, characterized in that, The conveyor belt assembly includes a spare tape tray and multiple pull rollers arranged sequentially along the conveyor belt path. The spare tape tray is used to store the conveyor belt, and the multiple pull rollers rotate and pull the conveyor belt to be released from the spare tape tray, so that the conveyor belt forms a tensioned stretch section on the conveyor path.

5. The battery cell adhesive applicator according to claim 1, characterized in that, The cutting assembly includes a cutting blade and a second cylinder, the second cylinder driving the cutting blade to extend and retract to cut the tape.

6. The battery cell adhesive bonding device according to claim 1, characterized in that, The adhesive application assembly includes an adhesive suction head, a third cylinder, and a third linear motor. The adhesive suction head is used to absorb the cut adhesive tape, the third cylinder is used to drive the adhesive suction head to extend and retract to absorb the cut adhesive tape, and the third linear motor is used to drive the adhesive suction head to reciprocate.

7. The battery cell adhesive bonding device according to claim 1, characterized in that, The shaping unit includes multiple sets of fourth cylinders and smoothing brushes arranged along the length and width of the battery cell. The fourth cylinders are used to drive the smoothing brushes to extend and retract. During the extension and retraction of the smoothing brushes, the tape protruding from the outside of the battery cell is smoothed to the corresponding surface of the battery cell.

8. The battery cell adhesive bonding device according to claim 7, characterized in that, The smoothing brush is symmetrically arranged along the upper and lower surfaces of the battery cell. During the extension and retraction process, the smoothing brush can simultaneously smooth the tape along the upper and lower surfaces of the battery cell.

9. The battery cell adhesive bonding device according to claim 1, characterized in that, The cell adhesive application device further includes a CCD adhesive application detection unit located at the rear end of the shaping unit along a first preset path. The CCD adhesive application detection unit includes a CCD camera and a fourth linear motor. The CCD camera is used to perform adhesive application detection on the cell after adhesive application, and the fourth linear motor is used to drive the CCD camera to move closer to or away from the cell.

10. The battery cell adhesive applicator according to claim 9, characterized in that, The cell adhesive application device also includes an NG line for receiving NG cells detected by the CCD adhesive application detection unit.

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