Automatic flattening equipment for battery cell

Abstract

The invention relates to the technical field of battery processing, and discloses automatic battery cell flattening equipment, a feeding mechanism is designed to comprise a conveying device and a positioning device, and the positioning device is designed to be arranged on the conveying device in a lifting manner, so that a battery cell placed on the conveying device can be positioned during lifting, and the battery cell is descended after being positioned; according to the battery cell feeding device, the conveying device is prevented from being hindered from conveying the battery cells to the flattening mechanism for flattening treatment, and the placing consistency of the multiple battery cells during feeding is improved, so that the flattening quality of the battery cells can be ensured, and the production efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of battery processing, and in particular to an automatic flattening device for a battery cell. Background Art

[0002] As a type of battery with excellent energy density and remarkable environmental protection characteristics, lithium-ion batteries have been widely used in power supply devices of various portable electronic devices, electric vehicles and energy storage power stations due to their high energy efficiency, high reliability and excellent processing adaptability.

[0003] At present, lithium-ion batteries circulating in the market are mainly composed of two parts: battery cells and protective shells. The battery cells are made by winding the positive and negative pole pieces and the diaphragm. In the processing of battery cells, flattening equipment plays a vital role. It is responsible for flattening the battery cells (usually elliptical) to ensure that the shape and size of the battery cells are regular. However, in terms of the existing technical level, the flattening operation of battery cells generally adopts the method of processing only one battery cell at a time. Although this processing method guarantees the flattening quality to a certain extent, it undoubtedly reduces production efficiency. On the contrary, if you try to process multiple battery cells at the same time in one flattening operation, you will face the challenge of difficult to accurately control the placement consistency when the battery cells are loaded, which may lead to a significant decrease in the flattening effect of the battery cells, affecting the quality of the final product.

[0004] In view of the above technical limitations, it is particularly urgent and important to improve and upgrade the existing lithium-ion battery cell flattening technology.

[0005] The above information is presented as background information only to assist with understanding the present disclosure and no determination or admission is made as to whether any of the above may be used as prior art with respect to the present disclosure. Summary of the invention

[0006] The invention provides an automatic flattening device for a battery cell to solve the problems existing in the prior art.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A battery cell automatic flattening device comprises a feeding mechanism and a flattening mechanism; wherein:

[0009] The feeding mechanism includes a conveying device and a positioning device;

[0010] The conveying device is used to place the battery cells and convey the battery cells;

[0011] The positioning device is arbitrarily arranged on the conveying device, and is used to position the battery cell placed on the conveying device when it is raised, and to descend after the positioning is completed, so as to avoid hindering the conveying device from conveying the battery cell;

[0012] The flattening mechanism is arranged in the conveying direction of the conveying device, and is used for flattening the battery cell when the battery cell is conveyed to the flattening mechanism.

[0013] Further, in the battery cell automatic flattening device, the conveying device includes two conveyor belts arranged in parallel;

[0014] The two conveyor belts are respectively used for placing the tabs of the battery cells;

[0015] A placement position for placing the main body of the battery core is formed between the two conveyor belts.

[0016] Furthermore, in the battery cell automatic flattening device, both of the two conveyor belts are elastic belts.

[0017] Further, in the battery cell automatic flattening device, the positioning device includes a power module and a positioning block;

[0018] The power output end of the power module is connected to the positioning block to drive the positioning block to perform lifting motion.

[0019] Furthermore, in the battery cell automatic flattening device, the positioning block is provided with a plurality of positioning grooves arranged at intervals.

[0020] Furthermore, in the battery cell automatic flattening device, the power module is a motor or a cylinder.

[0021] Furthermore, the battery cell automatic flattening device further includes a material unloading mechanism;

[0022] The unloading mechanism is arranged in the conveying direction of the conveying device and downstream of the flattening mechanism, and is used to transfer and unload the battery cells after the flattening process from the conveying device.

[0023] Furthermore, in the battery cell automatic flattening device, the unloading mechanism includes a manipulator and a receiving tray;

[0024] The robot is used to transfer the flattened battery cells from the conveying device to the receiving tray;

[0025] The receiving tray is used to collect the battery cells after the flattening process.

[0026] Furthermore, in the battery cell automatic flattening device, the manipulator is a gripper-type manipulator or a suction cup-type manipulator.

[0027] Furthermore, in the battery cell automatic flattening device, the material unloading mechanism includes a material unloading slide and a material receiving box;

[0028] The unloading chute is obliquely arranged between the end of the conveying device and the receiving box, and is used to utilize gravity to smoothly slide the flattened battery cells from the conveying device to the receiving box;

[0029] The receiving box is used to collect the battery cells after flattening.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] The present invention provides an automatic flattening device for battery cells. The loading mechanism is designed to include a conveying device and a positioning device, and the positioning device is designed to be liftable and arranged on the conveying device, so that the battery cells placed on the conveying device can be positioned when it is raised, and can be lowered after the positioning is completed to avoid hindering the conveying device from conveying the battery cells to the flattening mechanism for flattening processing, thereby improving the consistency of the placement of multiple battery cells when loading, thereby ensuring the flattening quality of the battery cells and improving production efficiency.

[0032] The present invention has other features and advantages, which will be apparent from or will be described in detail in the accompanying drawings and the following detailed description incorporated herein, which together serve to explain the specific principles of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0034] Figure 1 It is a structural schematic diagram of a battery cell automatic flattening device provided by an embodiment of the present invention;

[0035] Figure 2 It is one of the structural schematic diagrams of the feeding mechanism provided in the embodiment of the present invention;

[0036] Figure 3 This is the second structural schematic diagram of the feeding mechanism provided by the embodiment of the present invention;

[0037] Figure 4 This is the third structural schematic diagram of the feeding mechanism provided in the embodiment of the present invention.

[0038] Reference numerals:

[0039] Feeding mechanism 1, flattening mechanism 2, unloading mechanism 3;

[0040] Conveying device 11, positioning device 12;

[0041] Conveyor belt 111;

[0042] Power module 121, positioning block 122;

[0043] Robot arm 31 , material receiving tray 32 , material unloading slide 33 , material receiving box 34 . DETAILED DESCRIPTION

[0044] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0045] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0046] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0047] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, A and / or B, which means: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in an "or" logical relationship.

[0048] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0049] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0050] In this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.

[0051] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0052] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0053] Embodiment 1

[0054] In view of the above-mentioned defects in the prior art, the applicant, based on many years of rich practical experience and professional knowledge in design and manufacturing in this field, and in conjunction with the application of theory, actively conducts research and innovation in the hope of creating a technology that can solve the defects in the prior art. After continuous research and design, and after repeated trial production and improvement, the present invention with real practical value was finally created.

[0055] Please refer to Figure 1-4 The embodiment of the present invention provides an automatic flattening device for battery cells, comprising a feeding mechanism 1 and a flattening mechanism 2; wherein,

[0056] The feeding mechanism 1 comprises a conveying device 11 and a positioning device 12;

[0057] The conveying device 11 is used to place the battery cells and convey the battery cells;

[0058] The positioning device 12 is movably disposed on the conveying device 11 and is used to position the battery cell placed on the conveying device 11 when it is raised. Figure 2 and 4 As shown, and after positioning is completed, it drops down, as shown Figure 3 As shown, so as to avoid hindering the conveying device 11 from conveying the battery cell;

[0059] The flattening mechanism 2 is disposed in the conveying direction of the conveying device 11 , and is used to flatten the battery cell when the battery cell is conveyed to the flattening mechanism 2 .

[0060] In summary, the automatic flattening device for battery cells provided in the embodiment of the present invention realizes high-precision positioning and unobstructed conveying of battery cells during the loading process through the carefully designed loading assembly 1, especially the conveying device 11 and positioning device 12 integrated therein. This innovative design greatly improves the arrangement consistency of battery cells during the loading stage, lays a solid foundation for the subsequent flattening of battery cells, and further ensures the stability and reliability of the flattening quality of battery cells, effectively improving the overall production efficiency and product quality.

[0061] Please refer again Figure 2-4 In one implementation of this embodiment, the conveying device 11 includes two parallel conveyor belts 111. This design is intended to adapt to the special structure of the battery cell and optimize its conveying process;

[0062] Specifically, the two parallel conveyor belts 111 each have a specific function: they are used to carry the tabs of the battery cell. The tabs of the battery cell, as the key part of the connection between the battery cell and the external circuit, are usually located on both sides of the battery cell. Therefore, by assigning a tab carrying task to each conveyor belt, the stability and accuracy of the battery cell during the conveying process can be ensured.

[0063] What is more clever is that a space is cleverly left between the two conveyor belts 111, and this space is designed to place the main body of the battery cell. The main body of the battery cell, that is, the core part of the battery cell, does not include the tabs and is usually relatively flat. By placing the main body of the battery cell in the placement position between the two conveyor belts, the balance and stability of the battery cell during transportation can be further ensured, avoiding transportation problems caused by unstable center of gravity.

[0064] In summary, by adopting a design including two parallel conveyor belts 111, the present invention not only achieves stable bearing of the battery cell tabs, but also provides a safe and stable placement space for the battery cell body. This innovative design not only improves the accuracy and stability of battery cell transportation, but also lays a solid foundation for subsequent battery cell positioning and flattening processing, further ensuring the efficient and high-quality operation of the battery cell production line.

[0065] In a specific implementation of this embodiment, the design of the conveying device 11 is further optimized and upgraded. Specifically, the two conveyor belts 111 are made of elastic material. This innovative design is intended to cope with the complex mechanical environment during the flattening of the battery cell and ensure that the conveyor belt 111 can remain intact when the flattening mechanism 2 is pressed down.

[0066] The use of elastic belt as the material of the conveyor belt 111 is mainly based on the following considerations: First, the flattening operation of the battery cell requires a certain amount of pressure. If the conveyor belt lacks sufficient elasticity, then during the long-term flattening operation, the conveyor belt is likely to be deformed or even damaged due to the pressure, which will directly affect the conveying effect and flattening quality of the battery cell. The elastic belt, due to its good elasticity and recovery ability, can effectively absorb and disperse the pressure generated by the flattening mechanism when it is pressed down, thereby protecting the conveyor belt from damage.

[0067] Secondly, the battery cells may be slightly displaced or deformed during transportation due to various factors (such as vibration, friction, etc.). If the conveyor belt is not flexible enough to adapt to these changes, the accuracy and stability of the battery cell transportation will not be guaranteed. However, the elastic belt, due to its good flexibility and adaptability, can fit the shape and changes of the battery cell well, thus ensuring the stability and accuracy of the battery cell during transportation.

[0068] In summary, by using elastic belt as the material of the conveyor belt 111, the present invention not only improves the durability and stability of the conveyor belt, but also provides a safer and more reliable conveying environment for the flattening operation of the battery cell. This innovative design not only prolongs the service life of the conveyor belt, but also further ensures the stable improvement of the flattening quality and production efficiency of the battery cell.

[0069] Please refer again Figure 2 and4 In one implementation of the present embodiment, the design of the positioning device 12 is carefully planned and optimized to ensure accurate positioning and stable transportation of the battery cells during transportation.

[0070] Specifically, the positioning device 12 is mainly composed of two core components: a power module 121 and a positioning block 122. The power module 121, as the "heart" of the positioning device 12, is responsible for providing the necessary power support to drive the positioning block 122 to move up and down. This design not only enables the positioning block 122 to move flexibly in the vertical direction, but also ensures that the battery cell can be quickly and accurately positioned to the predetermined position during transportation.

[0071] The positioning block 122 is the direct executor of the battery cell positioning. Its shape, size and material are carefully designed and selected to ensure that the battery cell can be firmly placed and positioned. When the power module 121 is started and outputs power, the positioning block 122 will move up and down accordingly, thereby achieving accurate positioning of the battery cell on the conveyor belt 111.

[0072] In summary, by adopting the design scheme combining the power module 121 with the positioning block 122, the present invention not only realizes the precise positioning of the battery cell during the transportation process, but also provides more reliable assistance for the subsequent flattening of the battery cell. This innovative design not only improves the automation level and production efficiency of the battery cell production line, but also further ensures the stability and reliability of the battery cell product quality.

[0073] In one implementation of the present embodiment, a plurality of positioning grooves arranged at intervals are provided on the positioning block 122 . This design is intended to further improve the accuracy and stability of the battery cell positioning.

[0074] It should be noted that the opening of the positioning groove provides a clear reference and constraint for the placement of the battery cell. When the positioning device 12 is raised, a specific part of the battery cell (specifically the main body of the battery cell) can be accurately embedded in the positioning groove, thereby achieving accurate positioning of the battery cell. This "groove-battery cell" matching method not only ensures the stability of the battery cell during transportation, but also avoids transportation obstacles or flattening quality problems caused by displacement of the battery cell.

[0075] At the same time, the spacing arrangement of the positioning grooves also fully considers the problem of loading multiple battery cells at the same time, which can ensure that multiple battery cells can be accurately positioned, thereby improving the practicality of the positioning device 12.

[0076] In summary, by providing a plurality of positioning grooves arranged at intervals, the present invention improves the accuracy of battery cell positioning. This innovative design not only further enhances the automation level and production efficiency of the battery cell production line, but also provides a strong guarantee for ensuring the stability and reliability of the quality of battery cell products.

[0077] In one implementation of this embodiment, the power module 121 is a motor or a cylinder.

[0078] It should be noted that the motor, as one of the most common power sources in modern industry, has the advantages of stable output, precise control, and easy maintenance. When the motor is used as the power module 121, the height, speed, acceleration and other parameters of the lifting movement of the positioning block 122 can be precisely controlled through a precise motor control algorithm, thereby ensuring the accuracy and stability of the battery cell positioning.

[0079] The cylinder has been widely used in the field of industrial automation due to its simple structure, quick response, and easy integration. When the cylinder is used as the power module 121, the cylinder's quick response and high-precision positioning capabilities can be used to achieve fast and accurate positioning of the battery cell. In addition, the cylinder also has low maintenance costs and high reliability, and can maintain stable performance output under long-term, high-load conditions.

[0080] In summary, whether the motor or the cylinder is used as the core component of the power module 121, it can meet the requirements of the battery cell positioning device for accuracy, stability and efficiency. At the same time, according to the specific application scenarios and requirements, the model and specifications of the motor or cylinder can be flexibly selected to further optimize the performance and cost of the battery cell positioning device. This innovative design not only improves the automation level and production efficiency of the battery cell production line, but also provides strong support for ensuring the stability and reliability of the quality of battery cell products.

[0081] Please refer again Figure 1 In one implementation of this embodiment, an important component, namely, a material unloading mechanism 3, is introduced. In this implementation, the material unloading mechanism 3 is cleverly integrated into the overall layout of the battery cell automatic flattening device, providing an efficient and stable transfer and unloading path for the flattened battery cells.

[0082] Specifically, the unloading mechanism 3 is arranged in the conveying direction of the conveying device 11 and downstream of the flattening mechanism 2. This layout design ensures that the battery cell can be smoothly conveyed to the unloading mechanism 3 along the conveying path of the conveying device 11 after the flattening process is completed, thereby realizing the transfer and unloading of the battery cell.

[0083] The design of the unloading mechanism 3 fully considers the size and shape of the battery cell and the stability requirements during the transportation process. By adopting advanced mechanical structure and control algorithm, the unloading mechanism 3 can accurately capture the transportation position and speed information of the battery cell, and start the unloading action at the right time, and smoothly transfer the battery cell from the conveying device 11 to the designated unloading position.

[0084] In addition, the unloading mechanism 3 also has a high level of automation and flexibility. It can automatically adjust the unloading speed and rhythm according to the specifications and quantity requirements of the battery cells to ensure the continuity and efficiency of the unloading of the battery cells.

[0085] In summary, by introducing the innovative component of the unloading mechanism 3, the present invention not only realizes the efficient transfer and unloading of the battery cell after flattening, but also provides strong support for the overall optimization and upgrading of the battery cell production line. This design not only improves the automation level and production efficiency of the battery cell production line, but also further ensures the stability and reliability of the quality of the battery cell products.

[0086] Please refer again Figure 1 , in order to fully understand the two different but equally efficient design schemes for the unloading mechanism 3 in this embodiment.

[0087] In the first design, the material unloading mechanism 3 includes a manipulator 31 and a material receiving tray 32;

[0088] The robot 31 is used to transfer the flattened battery cells from the conveying device 11 to the receiving tray 32;

[0089] The receiving tray 32 is used to collect the battery cells after the flattening process.

[0090] It should be noted that the manipulator 31, as the core executor in the unloading process, is designed with full consideration of the shape, size and stability requirements of the battery cells during transportation. Specifically, the manipulator 31 can be in two forms, a clamping claw type or a suction cup type, to meet the grasping requirements of different battery cells. The clamping claw type manipulator can firmly grasp the battery cell and transfer it from the conveying device 11 to the receiving tray 32 through precise clamping action; while the suction cup type manipulator uses the principle of negative pressure adsorption to achieve non-contact grasping and transfer of the battery cell, avoiding damage to the battery cell caused by excessive clamping force.

[0091] The collecting tray 32 is used as a collection container for the battery cells. Its design also takes into account the stacking stability and the convenience of taking and placing the battery cells, ensuring the safety and orderliness of the battery cells during the collection process.

[0092] In the second design, the material discharging mechanism 3 includes a material discharging chute 33 and a material receiving box 34;

[0093] The unloading chute 33 is obliquely arranged between the end of the conveying device 11 and the receiving box 34, and is used to smoothly slide the flattened battery cells from the conveying device 11 to the receiving box 34 by gravity;

[0094] The receiving box 34 is used to collect the battery cells after the flattening process.

[0095] It should be noted that the unloading chute 33, as the transition path of the battery cells from the conveying device 11 to the receiving box 34, has an inclined design that fully utilizes the effect of gravity to achieve smooth sliding of the battery cells. This design not only simplifies the unloading process, but also reduces the complexity and cost of the manipulator. The receiving box 34, as the final collection point of the battery cells, is also designed with emphasis on stacking stability and ease of access, ensuring the safety and orderliness of the battery cells during the collection process.

[0096] In summary, whether the combination of the manipulator 31 and the receiving tray 32 is adopted, or the combination of the unloading chute 33 and the receiving box 34 is adopted, the unloading mechanism 3 in this embodiment can realize the efficient and stable transfer and collection of the battery cells after flattening. These two design schemes have their own characteristics and can be flexibly selected according to actual production needs and cost budgets to meet the overall optimization and upgrading needs of the battery cell production line. At the same time, these two design schemes also further reflect the innovation and practicality of the present invention in the field of battery cell automated production equipment.

[0097] Although the terms such as feeding mechanism and flattening mechanism are used more frequently in this application, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

[0098] An automatic flattening device for battery cells provided in an embodiment of the present invention designs a loading mechanism to include a conveying device and a positioning device, and designs the positioning device to be liftable and arranged on the conveying device, so that the battery cells placed on the conveying device can be positioned when raised, and can be lowered after the positioning is completed to avoid hindering the conveying device from conveying the battery cells to the flattening mechanism for flattening processing, thereby improving the consistency of the placement of multiple battery cells when loading, thereby ensuring the flattening quality of the battery cells and improving production efficiency.

[0099] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concept of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.

Claims

1. An automatic flattening device for battery cells, characterized in that: It comprises a feeding mechanism (1) and a flattening mechanism (2); wherein: The feeding mechanism (1) comprises a conveying device (11) and a positioning device (12); The conveying device (11) is used to place the battery cells and convey the battery cells; The positioning device (12) is arbitrarily arranged on the conveying device (11), and is used to position the battery cell placed on the conveying device (11) when it is raised, and to descend after the positioning is completed, so as to avoid hindering the conveying device (11) from conveying the battery cell; The flattening mechanism (2) is arranged in the conveying direction of the conveying device (11) and is used to flatten the battery cell when the battery cell is conveyed to the flattening mechanism (2).

2. The automatic flattening device for battery cells according to claim 1, characterized in that: The conveying device (11) comprises two conveyor belts (111) arranged in parallel; The two conveyor belts (111) are respectively used for placing the tabs of the battery cells; A placement position for placing the main body of the battery cell is formed between the two conveyor belts (111).

3. The automatic flattening device for battery cells according to claim 2, characterized in that: The two conveyor belts (111) are both elastic belts.

4. The automatic flattening device for battery cells according to claim 2, characterized in that: The positioning device (12) comprises a power module (121) and a positioning block (122); The power output end of the power module (121) is connected to the positioning block (122) to drive the positioning block (122) to perform lifting movement.

5. The automatic flattening device for battery cells according to claim 4, characterized in that: The positioning block (122) is provided with a plurality of positioning grooves arranged at intervals.

6. The automatic flattening device for battery cells according to claim 4, characterized in that: The power module (121) is a motor or a cylinder.

7. The automatic flattening device for battery cells according to claim 1, characterized in that: It also includes a feeding mechanism (3); The unloading mechanism (3) is arranged in the conveying direction of the conveying device (11) and downstream of the flattening mechanism (2), and is used to transfer the flattened battery cells from the conveying device (11) for unloading.

8. The automatic flattening device for battery cells according to claim 7, characterized in that: The material unloading mechanism (3) comprises a manipulator (31) and a material receiving tray (32); The robot (31) is used to transfer the flattened battery cells from the conveying device (11) to the receiving tray (32); The receiving tray (32) is used to collect the battery cells after the flattening process.

9. The automatic flattening device for battery cells according to claim 8, characterized in that: The manipulator (31) is a gripper-type manipulator or a suction cup-type manipulator.

10. The automatic flattening device for battery cells according to claim 7, characterized in that: The material unloading mechanism (3) comprises a material unloading slideway (33) and a material receiving box (34); The unloading chute (33) is obliquely arranged between the end of the conveying device (11) and the receiving box (34), and is used to utilize gravity to smoothly slide the flattened battery cells from the conveying device (11) to the receiving box (34); The receiving box (34) is used to collect the battery cells after the flattening process.

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