Pouch battery packaging production line

Abstract

This invention provides a pouch battery packaging production line, relating to the field of battery manufacturing, comprising several centrifugal packaging units, a loading unit, and a unloading unit. The centrifugal packaging units are arranged along a first direction, with a maintenance channel on their sides. Each centrifugal packaging unit includes several centrifugal packaging mechanisms arranged in parallel. The loading unit is located on one side of the centrifugal packaging units along the first direction, used to load pouch batteries onto each centrifugal packaging mechanism along a preset loading path, wherein the loading path does not overlap with the maintenance channel. The unloading unit is located on the other side of the centrifugal packaging units along the first direction, used to unload the processed pouch batteries onto the next actuator along a preset unloading path, wherein the unloading path does not overlap with the maintenance channel. This application achieves isolation between the production process and maintenance activities through a reasonable layout; a failure of a single centrifugal packaging mechanism does not affect the operation of the entire line, effectively improving the production efficiency and reliability of pouch battery packaging.

Description

Technical Field

[0001] This application relates to the field of battery manufacturing, and in particular to a pouch battery packaging production line. Background Technology

[0002] With the booming development of the new energy industry, pouch lithium-ion batteries are widely used in consumer electronics, power batteries, and energy storage due to their advantages such as light weight, high energy density, and flexible molding. After the tab welding and primary packaging (commonly known as "first sealing") are completed, the cell still retains an air bag for vacuuming and degassing. Subsequently, degassing, heat sealing, and centrifugal force are used to evenly distribute the slurry and further compact the cell—this process is called "second sealing." The quality of second sealing directly affects the airtightness and cycle life of the finished battery; therefore, the industry generally adopts a combination of vacuuming + heat sealing + centrifugal curing. However, existing production lines are mostly based on single-cavity or linear cycle equipment, which generally suffer from the following pain points: First, the loading and unloading paths intersect with the equipment maintenance area. When the vacuum sealing mechanism malfunctions, the entire line often needs to be shut down. This mixing of humans and machines not only affects safety but also significantly reduces capacity utilization. Second, pouch batteries require multiple handling processes during loading, centrifugal sealing, unloading, and subsequent rough cutting and fine sealing. Traditional solutions generally rely on manual labor or a single robotic arm to operate across areas, limiting cycle time and making it difficult to quickly separate good and defective products. Third, the centrifugal sealing mechanism integrates vacuuming, heat sealing, rotation drive, and puncture components. Its complex structure and high-speed operation make it susceptible to aging of seals and sensor failure due to high temperature and high vacuum environments, resulting in high maintenance frequency and huge downtime maintenance costs. Therefore, how to achieve continuous and automated production of pouch batteries from primary sealing to secondary sealing while ensuring secondary sealing quality, and how to complete online maintenance of faulty units without affecting the production line cycle time, has become a technical problem that the industry urgently needs to solve. Utility Model Content

[0003] This application aims to address at least one of the technical problems existing in the prior art. To this end, this application proposes a pouch battery packaging production line that can isolate the production process from maintenance activities, so that a failure of a single centrifugal packaging mechanism does not affect the operation of the entire line.

[0004] A pouch battery packaging production line according to an embodiment of this application includes: a plurality of centrifugal packaging units arranged along a first direction, each centrifugal packaging unit having a maintenance channel on its side, each centrifugal packaging unit including a plurality of centrifugal packaging mechanisms arranged in parallel, the centrifugal packaging mechanisms being used for centrifugal packaging of pouch batteries; a feeding unit disposed on one side of the centrifugal packaging units along the first direction, used to feed the pouch batteries to each centrifugal packaging mechanism along a preset feeding path, wherein the feeding path does not overlap with the maintenance channel; and a discharging unit disposed on the other side of the centrifugal packaging units along the first direction, used to discharge the pouch batteries that have undergone venting and packaging along a preset discharging path to the next actuator, wherein the discharging path does not overlap with the maintenance channel.

[0005] The pouch battery packaging production line according to the embodiments of this application has at least the following beneficial effects: The pouch battery packaging production line of the embodiments of this application achieves a high degree of separation between equipment structure and human-machine engineering by arranging several centrifugal packaging units sequentially in a first direction and reserving independent maintenance channels between adjacent units. On the one hand, maintenance personnel can enter the channel at any time to carry out online maintenance or replacement of individual centrifugal packaging mechanisms, while the other centrifugal packaging mechanisms and upstream and downstream processes located in the same unit are not affected, thereby avoiding the production capacity loss caused by the shutdown of the entire line. On the other hand, the production line sets up loading and unloading units on both sides of the centrifugal packaging units, and their loading and unloading paths do not intersect with the maintenance channels, so that the flow of cells and the flow of personnel are completely isolated, which not only ensures the continuous high-speed operation of the packaging process, but also eliminates the safety hazards of personnel and machines mixing when equipment fails. Meanwhile, a single centrifugal packaging unit integrates multiple centrifugal packaging mechanisms, enabling parallel processing of multiple battery cells within the same rotation cycle. Combined with independent loading and unloading cycles on both sides, the overall cycle time is improved from a "single-machine bottleneck" to "multi-machine parallel processing," effectively increasing output per unit time. When one centrifugal packaging mechanism is shut down for maintenance, the remaining mechanisms can still maintain their original cycle time, significantly improving system utilization. Furthermore, the loading and unloading units are linearly arranged along the first direction, reducing equipment footprint and transport paths, lowering system complexity and initial investment, and leaving space for the subsequent serial connection of functional modules such as rough cutting, fine sealing, or quality inspection. Overall, this provides the production line with comprehensive advantages of high efficiency, reliability, ease of maintenance, and scalability.

[0006] According to some embodiments of this application, the centrifugal packaging mechanism includes a base and a turntable disposed on the base. The base is provided with a rotary drive mechanism that can control the high-speed rotation and indexing rotation of the turntable. The turntable is provided with at least one set of vacuum packaging mechanism. The vacuum packaging mechanism is disposed off-center from the rotation center of the turntable. The vacuum packaging mechanism is characterized in that it includes a lower cavity seat, a middle frame, and a puncture packaging component disposed on the lower cavity seat. The turntable is provided with a mounting frame. The mounting frame is provided with an opening and closing drive mechanism that drives the middle frame to move up and down. A support frame is fixedly disposed on the lower cavity seat. A top plate is fixedly disposed on the support frame. During packaging, the lower cavity seat, the middle frame, and the top plate are aligned to form a packaging cavity.

[0007] According to some embodiments of this application, the feeding unit includes a feeding conveying mechanism and a plurality of feeding robots. The feeding conveying mechanism is arranged along the first direction, and the feeding robots are arranged on the side of the feeding conveying mechanism. The feeding robots correspond one-to-one with the centrifugal packaging units. The movement path of the feeding robots does not pass through the maintenance channel. The feeding robots are used to feed the soft-pack battery from the feeding conveying mechanism to each packaging centrifugal mechanism corresponding to the corresponding packaging centrifugal unit.

[0008] According to some embodiments of this application, the unloading unit includes an unloading conveying mechanism and a plurality of unloading robots. The unloading conveying mechanism is arranged along the first direction, and the unloading robots are arranged on the side of the unloading conveying mechanism. The unloading robots correspond one-to-one with the centrifugal packaging mechanism. The movement path of the unloading robots does not pass through the maintenance channel. The unloading robots are used to unload the soft-pack battery from the corresponding centrifugal packaging mechanism to the unloading conveying unit.

[0009] According to some embodiments of this application, a coarse cutting unit is also provided at the lower end of the feeding conveyor mechanism. The coarse cutting unit includes a coarse cutting transfer robot and a coarse cutting mechanism. The coarse cutting transfer robot is used to transfer the pouch battery to the coarse cutting station, and the coarse cutting mechanism is used to cut the edge of the pouch battery's air bag at the coarse cutting station.

[0010] According to some embodiments of this application, the feeding unit further includes a plurality of defective product sorting mechanisms. The defective product sorting mechanisms are disposed on the side of the feeding robot, and each defective product sorting mechanism corresponds one-to-one with the feeding robot. The defective product sorting mechanism is equipped with an image detection module, which is used to detect unqualified pouch batteries. The feeding robot is used to transfer the pouch batteries from the feeding conveyor to the defective product sorting mechanism. The feeding robot is also used to feed qualified pouch batteries from the defective product sorting mechanism to the centrifugal packaging mechanism. The feeding robot is also used to transfer unqualified pouch batteries from the defective product sorting mechanism to the defective product box.

[0011] According to some embodiments of this application, a precision sealing unit is also included, the precision sealing unit comprising a precision sealing transfer mechanism and a precision sealing mechanism, the precision sealing transfer mechanism being used to transfer the pouch battery from the rough cutting process to the precision sealing mechanism, and the precision sealing mechanism being used to seal the edges of the pouch battery after cutting.

[0012] According to some embodiments of this application, a side sealing unit is also included, wherein the side sealing unit is disposed at the upper end of the feeding conveying mechanism.

[0013] According to some embodiments of this application, a main body thickness measuring unit is also included, which is disposed at the upper end of the feeding and conveying mechanism.

[0014] According to some embodiments of this application, a finished product testing unit is also included, which is disposed on the side of the precision sealing unit. The finished product testing unit includes a weighing mechanism, a barcode scanning mechanism, and a seal edge thickness measurement mechanism. Attached Figure Description

[0015] The present application will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0016] Figure 1 This is a schematic diagram of the soft-pack battery packaging production line according to an embodiment of this application;

[0017] Figure 2 This is a schematic diagram of the centrifugal packaging unit in an embodiment of this application.

[0018] Figure label:

[0019] Centrifugal packaging unit 100; centrifugal packaging mechanism 110; turntable 111; vacuum packaging mechanism 112; feeding unit 200; feeding conveyor mechanism 210; feeding robot 220; defective product sorting mechanism 230; defective product box 231; unloading unit 300; unloading conveyor mechanism 310; unloading robot 320; rough cutting unit 400; rough cutting mechanism 410; rough cutting transfer robot 420; fine sealing unit 500; fine sealing mechanism 510; fine sealing transfer mechanism 520; side sealing unit 600; main body thickness measurement unit 700; finished product inspection unit 800; weighing mechanism 810; barcode scanning mechanism 820; seal edge thickness measurement mechanism 830; maintenance channel 900. Detailed Implementation

[0020] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0021] In the description of this application, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0022] In the description of this application, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0023] In the description of this application, unless otherwise expressly defined, terms such as "setup," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this application in conjunction with the specific content of the technical solution.

[0024] In the description of this application, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0025] like Figure 1 As shown, the pouch battery packaging production line of this embodiment includes a plurality of centrifugal packaging units 100 arranged along a first direction, a feeding unit 200 disposed on one side of the centrifugal packaging unit 100, and a unloading unit 300 disposed on the other side of the centrifugal packaging unit 100. The centrifugal packaging units 100 are arranged along the first direction to form a packaging area, and each centrifugal packaging unit 100 has a maintenance channel 900 on its side. Preferably, each centrifugal packaging unit 100 includes two centrifugal packaging mechanisms 110, which are also arranged side by side along the first direction. The centrifugal packaging mechanisms 110 are used to perform degassing, packaging, and centrifugation on the pouch battery, extracting excess gas from the gas bag and packaging it, while using centrifugal force to make the slurry distribution inside the cell more uniform, thereby improving the quality and performance of the battery.

[0026] The loading unit 200 is disposed on one side of the centrifugal packaging unit 100 along a first direction. Specifically, the loading unit 200 includes a loading conveyor mechanism 210 extending along the first direction and a loading robot 220 corresponding to each centrifugal packaging unit 100. The loading conveyor mechanism 210 is used to receive pouch batteries that have completed one packaging from the upstream process and transport the pouch batteries to the corresponding loading robot 220. The loading robot 220 is used to transfer the pouch batteries from the loading conveyor mechanism 210 to each centrifugal packaging mechanism 110 in the corresponding centrifugal packaging unit 100. The movement path of the loading robot 220 constitutes a preset loading path, which does not overlap with the maintenance channel 900, ensuring that even if it is necessary to enter the maintenance channel 900 to repair a centrifugal packaging mechanism 110 during the production process, it will not affect the normal operation of the loading operation.

[0027] The unloading unit 300 is disposed on the other side of the centrifugal packaging unit 100 along the first direction, opposite to the loading unit 200. The unloading unit 300 includes an unloading conveying mechanism 310 extending along the first direction and an unloading robot 320 corresponding to each centrifugal packaging unit 100. The unloading robot 320 is used to transfer the packaged pouch batteries from the centrifugal packaging mechanism 110 to the unloading conveying mechanism 310, which then transports the pouch batteries to the downstream process. The movement path of the unloading robot 320 constitutes a preset unloading path, which also does not overlap with the maintenance channel 900, ensuring that the unloading operation is not affected by maintenance activities.

[0028] In actual operation, when a centrifugal packaging mechanism 110 malfunctions and requires maintenance, maintenance personnel can directly access the mechanism 110 through the maintenance channel 900 for repairs without stopping the entire production line. Other centrifugal packaging mechanisms 110 within the same centrifugal packaging unit 100 can continue to operate normally, and the loading robot 220 and unloading robot 320 can continue to load and unload these normally operating mechanisms 110. Since the loading and unloading paths do not overlap with the maintenance channel 900, maintenance activities will not interfere with loading and unloading operations, and vice versa, achieving high efficiency and high availability of the packaging production line.

[0029] This embodiment of the soft-pack battery packaging production line achieves isolation between the production process and maintenance activities by rationally arranging the centrifugal packaging unit 100, the loading unit 200, and the unloading unit 300, and setting up an independent maintenance channel 900, thereby improving the overall efficiency and reliability of the production line. Simultaneously, the parallel arrangement of multiple centrifugal packaging mechanisms 110 increases the processing capacity of the production line, and the failure of a single centrifugal packaging mechanism 110 will not affect the operation of the entire production line, greatly improving the stability and production efficiency of the production line.

[0030] Understandable, such as Figure 2 As shown, the centrifugal packaging mechanism 110 includes a base and a turntable 111 mounted on the base. A rotary drive mechanism (not shown) is provided on the base, comprising a servo motor and a reducer combination, which can precisely control the high-speed rotation and indexing rotation of the turntable 111. In high-speed rotation mode, sufficient centrifugal force is provided to the pouch battery to facilitate gas-liquid separation. In indexing rotation mode, the turntable 111 can be precisely positioned at a preset angle for easy loading and unloading operations. At least one set of vacuum packaging mechanisms 112 is provided on the turntable 111. These vacuum packaging mechanisms 112 are evenly distributed along the circumference of the turntable 111 and are all offset from the rotation center of the turntable 111. During high-speed rotation, the pouch battery receives sufficient centrifugal force while ensuring the angular momentum balance of the turntable 111.

[0031] Furthermore, the vacuum sealing mechanism 112 includes a lower cavity seat, a middle frame, and a puncture sealing assembly disposed on the lower cavity seat. The lower cavity seat is the bottom structure of the vacuum sealing mechanism 112, and its upper surface is provided with a clamping platform for placing the soft-pack battery. The puncture sealing assembly is disposed in the lower cavity seat and includes a puncture needle and a needle seat, used to puncture the air bag of the soft-pack battery during the vacuuming process, facilitating the discharge of internal gas. A mounting bracket is provided on the turntable 1111, and the mounting bracket is fixed on the turntable 111, providing support and a connection base for the middle frame. The mounting bracket is provided with an opening and closing drive mechanism, which can drive the middle frame to move up and down, pressing the middle frame against the lower cavity seat during the sealing process to form a sealed sealing cavity. The opening and closing drive mechanism adopts a cylinder drive method, which has the characteristics of fast response speed and stable force. The vacuum sealing mechanism 112 also includes a heat sealing assembly, which includes a heating plate and a temperature control system, used to heat seal the air bag of the soft-pack battery, realize the sealing of the air bag, and complete the secondary sealing. Optionally, the mounting bracket is also equipped with a second locking mechanism to lock the middle frame, preventing it from accidentally falling when open and ensuring operational safety. A support frame is fixedly mounted on the lower cavity seat, and a top plate is fixedly mounted on the support frame. The top plate serves as the top boundary of the encapsulation cavity, forming a complete encapsulation cavity together with the middle frame and the lower cavity seat. A baffle is fixedly mounted on the upper end of the middle frame. During encapsulation, the lower surface edge of the baffle abuts against the upper surface edge of the top plate to form a first sealing surface. At the same time, the lower end surface of the middle frame abuts against the upper surface of the lower cavity seat to form a second sealing surface. During operation, the pouch battery is first placed on the fixture platform by the loading robot 220, and then the opening and closing drive mechanism drives the middle frame to move downward, sealing the pouch battery within the encapsulation cavity formed by the lower cavity seat, the middle frame, and the top plate. The vacuuming process then begins. Once the preset vacuum level is reached, the rotary drive mechanism drives the turntable 111 to rotate at high speed, subjecting the pouch battery to centrifugal force, which makes the internal slurry uniform and simultaneously separates the gas and liquid. Subsequently, the puncture packaging component punctures the air bag of the pouch battery. After a period of vacuum treatment, the heat sealing component is activated to heat seal the air bag, completing the entire packaging process.

[0032] Understandable, such as Figure 1As shown, the pouch battery packaging production line of this embodiment also includes a coarse cutting unit 400 and a fine sealing unit 500 downstream of the unloading unit 300 for further processing of the centrifugally packaged pouch batteries. The coarse cutting unit 400 is located at the lower end of the unloading conveyor 310 and is used to preliminarily cut the residual air pockets along the battery body after the pouch battery has undergone secondary sealing. The coarse cutting unit 400 includes a coarse cutting transfer robot 420 and a coarse cutting mechanism 410. For example, the position of the coarse cutting transfer robot 420 corresponds to the end point of the unloading conveyor 310, and it is used to transfer the pouch battery from the unloading conveyor 310 to the coarse cutting station of the coarse cutting mechanism 410. The coarse cutting mechanism 410 uses a cutting die corresponding to the contour of the battery body to remove the remaining excess air pockets. The fine sealing unit 500 is located downstream of the coarse cutting unit 400 and is used for the final sealing processing of the cut edges of the pouch battery. The fine sealing unit 500 includes a fine sealing transfer mechanism 520 and a fine sealing mechanism 510. During the fine sealing process, the fine sealing transfer mechanism 520 first picks up the coarsely cut pouch battery from the coarse cutting station and accurately places it on the fine sealing station. The fine sealing mechanism 510 uses a pressing mold corresponding to the outline of the battery body to apply uniform pressure to the cut edge of the pouch battery. Under the combined action of high temperature and pressure, the aluminum-plastic film of the cut edge is fused and sealed, so that the pouch battery body forms a smooth sealed edge.

[0033] Understandably, in addition to the feeding conveyor mechanism 210 and the feeding robot 220, the feeding unit 200 in this embodiment is also equipped with a defective product sorting mechanism 230 for quality inspection and screening of the pouch batteries before they enter the centrifugal packaging mechanism 110. For example, the defective product sorting mechanism 230 is located on the side of the feeding robot 220 and corresponds one-to-one with it; that is, each centrifugal packaging unit 100 is equipped with one feeding robot 220 and correspondingly one defective product sorting mechanism 230. The image detection module is the core component of the defective product sorting mechanism 230, including a high-resolution industrial camera, a structured light source, an image processing unit, and dedicated algorithm software. The defective product bin 231 is located on the side of the defective product sorting mechanism 230 and is divided into multiple independent areas, allowing for the classification and storage of defective products according to different defect types, facilitating subsequent analysis and processing. In actual operation, the defective product sorting mechanism 230 and the loading robot 220 work closely together to form a complete loading and screening process: First, the loading robot 220 picks up the pouch batteries from the loading conveyor 210 and places them on the detection platform of the defective product sorting mechanism 230; then, the image detection module starts working, taking pictures of the pouch batteries from all angles and collecting image data under multiple light sources. The image processing unit processes the collected images in real time, and the dedicated algorithm software analyzes the image features to determine whether the pouch batteries are qualified. Based on the detection results, the loading robot 220 performs different operations. If the pouch battery is qualified, the loading robot 220 picks it up from the detection platform and directly loads it to the corresponding centrifugal packaging mechanism 110. If the pouch battery is unqualified, the loading robot 220 picks it up from the detection platform and transfers it to the corresponding area in the defective product box 231. This online detection and sorting mechanism ensures that only qualified pouch batteries can enter the centrifugal packaging stage, significantly improving the first-pass yield of the products. Meanwhile, by classifying and storing non-conforming products and compiling statistics, we can provide a basis for quality improvement in upstream processes, thus forming a closed-loop quality control system.

[0034] Understandable, such as Figure 1 As shown, in some embodiments, the pouch battery packaging production line further includes a side sealing unit 600, which is disposed at the upper end of the feeding conveyor mechanism 210. The side sealing unit 600 solves the problem of uneven side sealing that may occur in the previous process of pouch batteries, ensuring that the side sealing of pouch batteries entering the centrifugal packaging stage is in good condition, thus providing a guarantee for the subsequent packaging quality.

[0035] Understandable, such as Figure 1 As shown, in some embodiments, the pouch battery packaging production line also includes a main body thickness measurement unit 700, which is located upstream of the feeding and conveying mechanism 210. The main body thickness measurement unit 700 provides data support for the centrifugal packaging process, facilitating the subsequent automatic adjustment of process parameters by the actuator.

[0036] Understandable, such as Figure 1 As shown, in some embodiments, the pouch battery packaging production line also includes a finished product inspection unit 800, which is located downstream of the precision sealing unit 500 and is used to perform final quality inspection on the pouch batteries that have completed all packaging processes. For example, the finished product inspection unit 800 includes a finished product conveying device, a weighing mechanism 810, a barcode scanning mechanism 820, and a seal edge thickness measurement mechanism 830. The finished product conveying device can adopt a segmented belt conveyor structure to transport the pouch batteries from the precision sealing unit 500 to various inspection stations and finally to the finished product collection area. The weighing mechanism 810 is connected to an electronic balance. The weighing data is transmitted to the central control system in real time via a data interface and compared with preset standards to determine whether the pouch battery quality is up to standard. The barcode scanning mechanism 820 is equipped with a high-resolution industrial camera that can capture the QR code or barcode on the surface of the pouch battery. The scanned information is linked to the production traceability system to record the production parameters and quality data of each pouch battery. The sealing edge thickness measurement mechanism 830 can use non-contact laser thickness measurement technology, including a laser emitter, receiver, and multi-dimensional measurement platform. Multiple measurement points can be set around the sealing edge of the pouch battery to detect the width, thickness, and flatness of the sealing edge. In this embodiment, the finished product inspection unit 800 forms the final control link for the packaging quality of the pouch battery, ensuring that the finished products meet the quality requirements and continuously optimizing the production process through data feedback.

[0037] The embodiments of this application have been described in detail above with reference to the accompanying drawings. However, this application is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this application. Furthermore, unless otherwise specified, the embodiments and features described in the embodiments of this application can be combined with each other.

Claims

1. A pouch battery packaging production line, characterized in that, include: Several centrifugal packaging units are arranged along a first direction. Each centrifugal packaging unit has a maintenance channel on its side. Each centrifugal packaging unit includes several centrifugal packaging mechanisms arranged in parallel. The centrifugal packaging mechanisms are used to centrifugally package soft-pack batteries. A feeding unit is disposed on one side of the centrifugal packaging unit along the first direction, and is used to feed the soft-pack battery to each centrifugal packaging mechanism along a preset feeding path, wherein the feeding path does not overlap with the maintenance channel; The unloading unit is disposed on the other side of the centrifugal packaging unit along the first direction, and is used to unload the soft-pack battery after venting and packaging along a preset unloading path to the next actuator, wherein the unloading path does not overlap with the maintenance channel.

2. The soft-pack battery packaging production line according to claim 1, characterized in that, The centrifugal packaging mechanism includes a base and a turntable mounted on the base. The base is equipped with a rotary drive mechanism that controls the high-speed rotation and indexing rotation of the turntable. The turntable is equipped with at least one set of vacuum packaging mechanism, which is offset from the rotation center of the turntable. The vacuum packaging mechanism includes a lower cavity seat, a middle frame, and a puncture packaging component mounted on the lower cavity seat. The turntable is equipped with a mounting frame, which is equipped with an opening and closing drive mechanism that drives the middle frame to move up and down. A support frame is fixedly mounted on the lower cavity seat, and a top plate is fixedly mounted on the support frame. During packaging, the lower cavity seat, the middle frame, and the top plate are aligned to form a packaging cavity.

3. The soft-pack battery packaging production line according to claim 2, characterized in that, The feeding unit includes a feeding conveyor mechanism and several feeding robots. The feeding conveyor mechanism is arranged along the first direction, and the feeding robots are arranged on the side of the feeding conveyor mechanism. Each feeding robot corresponds to a centrifugal packaging unit. The movement path of the feeding robot does not pass through the maintenance channel. The feeding robot is used to feed the soft-pack battery from the feeding conveyor mechanism to each packaging centrifugal mechanism corresponding to the corresponding packaging centrifugal unit.

4. The soft-pack battery packaging production line according to claim 2, characterized in that, The unloading unit includes an unloading conveying mechanism and a plurality of unloading robots. The unloading conveying mechanism is arranged along the first direction, and the unloading robots are arranged on the side of the unloading conveying mechanism. Each unloading robot corresponds to a centrifugal packaging mechanism. The movement path of the unloading robot does not pass through the maintenance channel. The unloading robot is used to unload the soft-pack battery from the corresponding centrifugal packaging mechanism to the unloading conveying unit.

5. The soft-pack battery packaging production line according to claim 4, characterized in that, It also includes a coarse cutting unit located at the lower end of the feeding and conveying mechanism. The coarse cutting unit includes a coarse cutting and transfer robot and a coarse cutting mechanism. The coarse cutting and transfer robot is used to transfer the soft-pack battery to the coarse cutting station, and the coarse cutting mechanism is used to cut the edge of the air bag of the soft-pack battery at the coarse cutting station.

6. The soft-pack battery packaging production line according to claim 3, characterized in that, The feeding unit also includes several defective product sorting mechanisms, which are located on the side of the feeding robot. Each defective product sorting mechanism corresponds to one feeding robot. Each defective product sorting mechanism is equipped with an image detection module, which is used to detect defective pouch batteries. The feeding robot is used to transfer the pouch batteries from the feeding conveyor to the defective product sorting mechanism. The feeding robot is also used to feed qualified pouch batteries from the defective product sorting mechanism to the centrifugal packaging mechanism. The feeding robot is also used to transfer unqualified pouch batteries from the defective product sorting mechanism to the defective product box.

7. The soft-pack battery packaging production line according to claim 5, characterized in that, It also includes a precision sealing unit, which includes a precision sealing transfer mechanism and a precision sealing mechanism. The precision sealing transfer mechanism is used to transfer the pouch battery from the rough cutting machine to the precision sealing mechanism, and the precision sealing mechanism is used to seal the edges of the pouch battery after cutting.

8. The soft-pack battery packaging production line according to claim 3, characterized in that, It also includes a side sealing unit, which is located at the upper end of the feeding and conveying mechanism.

9. The soft-pack battery packaging production line according to claim 3, characterized in that, It also includes a main thickness measuring unit, which is located at the upper end of the feeding and conveying mechanism.

10. The soft-pack battery packaging production line according to claim 7, characterized in that, It also includes a finished product inspection unit, which is located next to the sealing unit. The finished product inspection unit includes a weighing mechanism, a barcode scanning mechanism, and a seal edge thickness measurement mechanism.

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