A CTP battery cell boxing shaping device

Abstract

The application discloses a CTP battery cell boxing shaping device and relates to the field of CTP battery cell boxing tools.The CTP battery cell boxing shaping device comprises a pressing unit, a plurality of transmission units arranged longitudinally and in parallel at the bottom of the pressing unit, wherein the transmission unit comprises a primary pressing assembly and a secondary pressing assembly; the primary pressing assembly comprises a first movable pressing plate, a reset spring and a second movable pressing block arranged in sequence from top to bottom at the bottom of the pressing unit; the bottom of the second movable pressing block is provided with a pressure sensor; the secondary pressing assembly comprises a retaining frame body arranged around the outer periphery of the reset spring; and the retaining frame body, the first movable pressing plate and the second movable pressing block jointly form a sealed pressure regulating chamber capable of adjusting the air pressure in the chamber. The primary pressing assembly performs preliminary pressing on the CTP battery cell; and the sealed pressure regulating chamber in the secondary pressing assembly can adjust the air pressure in the chamber according to the pressing condition of the CTP battery cell and push the second movable pressing block.

Description

Technical Field

[0001] This invention relates to the field of CTP battery cell packing tools, and more specifically to a CTP battery cell packing and shaping device. Background Technology

[0002] The development of new energy vehicles is booming. As a core component of new energy vehicles, batteries have become a top priority for major OEMs to develop independently. New technologies are constantly emerging. Currently, batteries are developing towards CTP (Cell to Pack, where the cells are directly installed into the battery box, eliminating the intermediate state of the battery module). In the process of installing CTP batteries into the box, the main processes include box adhesive application, cell placement, and cell shaping. First, adhesive is applied to the bottom of the battery box. Then, the CTP battery cells are placed inside the battery box. Finally, shaping fixtures are used to press the CTP battery cells to firmly bond them to the bottom of the battery box. The shaping quality of the CTP battery cells directly determines the performance of the adhesive between the cells and the bottom of the box, thus affecting the overall performance of the battery. Therefore, controlling the shaping quality of CTP battery cells has a significant impact on subsequent processes.

[0003] However, in actual production, the bottom of some battery cases may be uneven due to manufacturing processes, or the adhesive may not be applied evenly, resulting in inconsistent adhesive thickness. When CTP battery cells are placed into the case, the height of each cell is inconsistent. Currently used shaping fixtures are often integral structures that apply force uniformly. This means that the pressure of the shaping fixture cannot be evenly transmitted to each CTP battery cell, making it impossible to ensure that each CTP battery cell has uniform contact with the adhesive at the bottom of the battery case. Some cells are subjected to excessive force, which can easily cause cell damage, while some cells are subjected to insufficient force, resulting in poor adhesion to the battery case and directly affecting battery performance. Summary of the Invention

[0004] This application provides a CTP battery cell packing and shaping device, which can solve the technical problem in the prior art that, during the CTP battery cell packing and shaping process, due to the difference in the height of the bottom of the battery box, multiple battery cells in the same row are subjected to inconsistent forces, resulting in some battery cells being damaged due to excessive force, while others are subjected to insufficient force and fail to adhere properly when packing.

[0005] This application provides a CTP battery cell packing and shaping device, including:

[0006] Down-pressing unit; and

[0007] Several transmission units arranged longitudinally side by side are located at the bottom of the pressing unit;

[0008] The transmission unit includes a primary pressing component and a secondary pressing component. The primary pressing component includes a first movable pressing plate, a return spring, and a second movable pressing block, which are arranged sequentially from top to bottom at the bottom of the pressing unit. A pressure sensor is provided at the bottom of the second movable pressing block. The secondary pressing component includes a retaining frame body arranged around the outer periphery of the return spring. The retaining frame body, the first movable pressing plate, and the second movable pressing block together form a sealed pressure regulating chamber with adjustable internal air pressure.

[0009] In one embodiment, the pressing unit includes a pressing power source and an integral pressing strip located at the output end of the pressing power source, the integral pressing strip being oriented in the same direction as the transmission unit.

[0010] In one embodiment, the bottom of the integral pressure strip is fixedly connected to the top of the first movable lower pressure plate.

[0011] In one embodiment, the top of the reset spring is fixedly connected to the first movable lower pressure plate, and the bottom of the reset spring is fixedly connected to the second movable lower pressure block.

[0012] In one embodiment, the inner wall of the retaining frame is provided with a guide unit.

[0013] In one embodiment, the guiding unit includes a plurality of guide rails longitudinally arranged on the inner sidewall of the retaining frame.

[0014] In one embodiment, both the first movable lower pressure plate and the second movable lower pressure block are connected to the guide rail.

[0015] In one embodiment, the transmission unit further includes a data processing component for receiving pressure values ​​from the pressure sensor and a pneumatic regulating component electrically connected to the data processing component.

[0016] In one embodiment, the pressure regulating assembly includes a pressure regulating device.

[0017] In one embodiment, the side wall of the retaining frame is provided with an air inlet and an air outlet for connection with the air pressure regulating device.

[0018] The beneficial effects of the technical solutions provided in this application include:

[0019] The CTP battery cell packing and shaping device in this application, by setting up a primary pressing component and a secondary pressing component, can first apply uniform force to the CTP battery cells to complete the initial pressing. Then, by adjusting the air pressure inside the independently set sealed pressure regulating chamber, in conjunction with the second movable pressing block, a secondary individual pressure adjustment can be performed according to the pressure of each CTP battery cell, ensuring that the force on each cell is uniform. This can absorb the manufacturing tolerance and adhesive coating tolerance of the packing, reduce the damage to the CTP battery cells caused by excessive pressure, and reduce the situation where some CTP battery cells are not properly bonded to the battery pack due to insufficient force. It can also reduce the difficulty of packing manufacturing and the difficulty of precise control of adhesive coating, and greatly improve the packing efficiency. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of a CTP battery cell packing and shaping device provided in an embodiment of this application;

[0022] Figure 2 A schematic diagram of the internal structure of the sealed voltage regulating chamber in a CTP battery cell packing and shaping device provided in this application embodiment;

[0023] Figure 3 This is a schematic diagram of the external structure of the transmission unit in a CTP battery cell box-forming device provided in an embodiment of this application;

[0024] Figure 4 This is a schematic diagram of the pressing unit structure in a CTP battery cell packing and shaping device provided in an embodiment of this application;

[0025] Figure 5 This is a schematic diagram of the guiding unit structure in a CTP battery cell box shaping device provided in an embodiment of this application.

[0026] In the diagram: 1. Pressing unit; 101. Pressing power source; 102. Integral pressure bar; 2. Transmission unit; 3. First movable pressing plate; 4. Return spring; 5. Second movable pressing block; 6. Pressure sensor; 7. Holding frame; 8. Sealed pressure regulating chamber; 9. Guide rail; 10. Air inlet; 11. Exhaust port. Detailed Implementation

[0027] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0028] This application provides a CTP battery cell shaping device for box placement, which solves the technical problem in the prior art where, due to uneven bottom of the battery box or insufficient adhesive application, existing integrated shaping fixtures cause different pressures on each cell in the same row of CTP cells when shaping and placing them into the box. This results in some cells being damaged due to excessive force, while others are not properly bonded when placed into the box, thus directly affecting the performance of the entire battery.

[0029] Specifically, Figure 1 This is a schematic diagram of the overall structure of a CTP battery cell packing and shaping device provided in an embodiment of this application, as shown below. Figure 1 As shown, the CTP battery cell box-setting and shaping device in this application includes a pressing unit 1 and several longitudinally arranged transmission units 2 located at the bottom of the pressing unit 1. The pressing unit 1 is located at the top of the CTP battery cell box-setting and shaping device in this application and serves as the power source for the CTP battery cell box-setting and shaping process. The transmission units 2 are integrated with the pressing unit 1 and are used to receive the downward pressure from the pressing unit 1 and directly act on the CTP battery cell. After the box-setting and shaping process is completed, the transmission units 2 rise together with the pressing unit 1. During the box-setting and shaping process, the bottom of the transmission units 2 directly contacts the top of the CTP battery cell.

[0030] In the actual box-loading and shaping process, multiple CTP battery cells are stacked horizontally and vertically to form a row. In this application, there are multiple transmission units 2, which are aligned with the arrangement direction of the CTP battery cells in a single row. Each transmission unit 2 acts on a single CTP battery cell, allowing for individual adjustment based on the different heights and shaping conditions of each CTP battery cell. Several vertically arranged transmission units 2 form a group. For ease of description, these multiple vertically arranged transmission units 2 are referred to as a transmission unit group. Multiple transmission unit groups can be set at the bottom of the pressing unit 1 according to actual usage. These multiple transmission unit groups are arranged along the lateral direction of the pressing unit 1 and can simultaneously act on multiple rows of CTP battery cells to improve box-loading and shaping efficiency.

[0031] Furthermore, Figure 2This is a schematic diagram of the internal structure of the sealed voltage regulating chamber 8 in a CTP battery cell packing and shaping device provided in an embodiment of this application. Figure 3 This is a schematic diagram of the external structure of the transmission unit 2 in a CTP battery cell box forming device provided in an embodiment of this application, as shown below. Figure 2 , Figure 3 As shown, the transmission unit 2 includes a primary pressing assembly and a secondary pressing assembly. The primary pressing assembly includes a first movable pressing plate 3, a return spring 4, and a second movable pressing block 5, which are located at the bottom of the pressing unit 1 and arranged sequentially from top to bottom. A pressure sensor 6 is provided at the bottom of the second movable pressing block 5. The secondary pressing assembly includes a retaining frame 7 arranged around the outer periphery of the return spring 4. The retaining frame 7, the first movable pressing plate 3, and the second movable pressing block 5 together form a sealed pressure regulating chamber 8 with adjustable internal air pressure.

[0032] The primary and secondary pressing components in this application each include multiple components. During the shaping of the CTP battery cell, each first active pressing plate 3 corresponds to a second active pressing block 5, and each second active pressing block 5 acts independently on a single CTP battery cell.

[0033] The frame 7 is a rectangular frame that is open at both ends. The inner sidewall of the frame 7 forms the four sidewalls of the sealed pressure regulating chamber 8. The bottom surface of the first movable lower pressure plate 3 forms the top wall of the sealed pressure regulating chamber 8, and the top surface of the second movable lower pressure block 5 forms the bottom wall of the sealed pressure regulating chamber 8. The cross-sectional area of ​​the first movable lower pressure plate 3 and the second movable lower pressure block 5 must be smaller than the cross-sectional area of ​​the hollow part in the middle of the frame 7 to ensure that the first movable lower pressure plate 3 and the second movable lower pressure block 5 can slide up and down along the inner wall of the frame 7.

[0034] When the air pressure inside the sealed pressure regulating chamber 8 changes, the inner wall of the frame body 7 remains fixed, and the position of the first movable lower pressure plate 3 is also fixed by the lower pressure unit 1. It will not move with the change of air pressure inside the sealed pressure regulating chamber 8. Since the second movable lower pressure block 5 is connected to the return spring 4, it has a certain degree of mobility and can move up and down with the change of air pressure inside the sealed pressure regulating chamber 8. Therefore, by adjusting the air pressure inside the sealed pressure regulating chamber 8 in a single transmission unit 2, the corresponding second movable lower pressure block 5 can be pushed to complete the adjustment of the lower pressure of a single CTP battery cell.

[0035] When adjusting the air pressure in the sealed pressure regulating chamber 8, gas can be directly injected into the sealed pressure regulating chamber 8 to increase the air pressure inside the sealed pressure regulating chamber 8 and push the second movable lower pressure block 5 to move. This method requires ensuring the sealing of the sealed pressure regulating chamber 8. Therefore, a sealing device needs to be set at the contact point of the frame body 7, the first movable lower pressure plate 3 and the second movable lower pressure block 5. As an optional embodiment, a vacuum pushing component is set in the sealed pressure regulating chamber 8. By injecting air into the vacuum pushing component, the volume of the vacuum pushing component is increased. The vacuum pushing component directly pushes the second movable lower pressure block 5. After the box shaping work is completed, the gas in the vacuum pushing component is released, causing the volume of the vacuum pushing component to shrink back. The reset spring 4 drives the second movable lower pressure block 5 to return to its position. This method only needs to ensure the sealing of the vacuum pushing component. Specifically, the vacuum pushing component includes, but is not limited to, a vacuum bladder.

[0036] The CTP battery cell box-forming device in this application operates in two steps. The pressing unit 1 drives the initial pressing component to apply uniform force to multiple CTP battery cells in the same row to complete the initial shaping. Due to uneven workmanship of the box or uneven application of adhesive at the bottom of the box, the bottom of the battery box may be uneven. At this time, some CTP battery cells located at the higher position at the bottom of the battery box will be squeezed and shaped first and firmly bonded to the adhesive at the bottom of the battery box. Some CTP battery cells located at the lower position at the bottom of the battery box will not be effectively squeezed by the pressing unit 1 and will not be properly bonded to the box. If pressure is continued, some of the CTP batteries that were squeezed first may be under too much pressure, damaging the cells.

[0037] Therefore, to avoid this situation, after the initial shaping of the CTP battery cell is completed, the pressure sensor 6 in the secondary pressing assembly starts to work. The pressure sensor 6 can sense the pressure exerted by each second movable pressing block 5 on its individual CTP battery cell at the bottom. The target value of the pressure on the CTP battery cell is preset. For CTP battery cells that have been shaped, their corresponding transmission unit 2 stops moving and remains stationary. For CTP battery cells that have not reached the target pressure value, the air pressure in the sealed pressure regulating chamber 8 in their corresponding transmission unit 2 is increased to push the second movable pressing block 5 to continue to drive the CTP battery cell down. For CTP battery cells that exceed the target pressure value, the sealed pressure regulating chamber 8 in their corresponding transmission unit 2 is evacuated and depressurized. At this time, the sealed pressure regulating chamber 8 is in a negative pressure state, and the second movable pressing block 5 is attracted and moves upward to reduce the pressure on the CTP battery cell.

[0038] Furthermore, Figure 4 This is a schematic diagram of the pressing unit 1 in a CTP battery cell packing and shaping device provided in an embodiment of this application. Figure 4As shown, the pressing unit 1 includes a pressing power source 101 and an integral pressing strip 102 located at the output end of the pressing power source 101. The integral pressing strip 102 is oriented in the same direction as the transmission unit 2. The bottom of the integral pressing strip 102 is fixedly connected to the top of the first movable pressing plate 3. The pressing power source 101 can adopt various pressing devices in the prior art, including but not limited to cylinders. The integral pressing strip 102 is fixedly set at the bottom of the output end of the pressing power source 101 and connected to the top of the multiple first movable pressing plates 3 in the same group to form an integral unit.

[0039] In this application, each integral pressure strip 102 is connected to a set of transmission unit groups. As an optional implementation, since there can be multiple sets of transmission unit groups in this application, the number of integral pressure strips 102 can also be set to multiple. The number of integral pressure strips 102 is the same as the number of transmission unit groups, and the multiple integral pressure strips 102 and multiple transmission unit groups are set in the same position.

[0040] Furthermore, the top of the reset spring 4 is fixedly connected to the first movable lower pressure plate 3, and the bottom of the reset spring 4 is fixedly connected to the second movable lower pressure block 5. During the CTP battery cell insertion and shaping process, the reset spring 4 is mainly used to transfer the downward pressure of the lower pressure unit 1 borne by the first movable lower pressure plate 3 to the second movable lower pressure block 5, so as to push the second movable lower pressure block 5 to press the CTP battery cell. After the insertion and shaping work is completed, the reset spring 4 rises with the first movable lower pressure plate 3 and uses its own retraction to drive the second movable lower pressure block 5 to reset. At the same time, the reset spring 4 also makes the entire insertion and shaping device have a certain degree of flexibility, which plays a better role in protecting the CTP battery cell. The number of reset springs 4 in a single sealed voltage regulating chamber 8 is not specifically limited in this application, as long as it can ensure that the force between the first movable lower pressure plate 3 and the second movable lower pressure block 5 is uniform.

[0041] Furthermore, a guide unit is provided on the inner wall of the retaining frame 7. The guide unit is mainly used to ensure the normal up and down sliding of the first movable lower pressure plate 3 and the second movable lower pressure block 5 on the inner wall of the retaining frame 7. The first movable lower pressure plate 3 slides longitudinally along the guide unit under the force of the lower pressure unit 1, and the second movable lower pressure block 5 slides longitudinally along the guide unit under the force of the first movable lower pressure plate 3.

[0042] Furthermore, Figure 5 This is a schematic diagram of the guiding unit structure in a CTP battery cell box forming device provided in an embodiment of this application, as shown below. Figure 5As shown, the guide unit includes several guide rails 9 longitudinally arranged on the inner wall of the retaining frame 7. The first movable pressing plate 3 and the second movable pressing block 5 are both arranged within the guide rails 9. The guide rails 9 are arranged in accordance with the pressing direction of the pressing unit 1, and there are no specific limitations in this application on the number of guide rails 9 and their positions on the inner wall of the retaining frame 7.

[0043] As a first embodiment of the sliding method of the guide rail 9 and the first movable lower pressure plate 3, in this embodiment, the guide rail 9 and the side wall of the first movable lower pressure plate 3 are mutually engaged, that is, the guide rail 9 is a first engaging end that is longitudinally arranged in the shape of a protrusion or a groove, and the side wall of the first movable lower pressure plate 3 is provided with a second engaging end that matches the first engaging end.

[0044] As a second embodiment of the sliding method of the guide rail 9 and the first movable lower pressure plate 3, in this embodiment, the guide rail 9 is a longitudinally arranged groove, and a slider is provided on the side wall of the first movable lower pressure plate 3. The two cooperate with each other. The groove and the slider are commonly used components in the prior art, and will not be described in detail here.

[0045] The sliding implementation of the guide rail 9 and the second movable lower pressure block 5 can refer to the two implementations of sliding the guide rail 9 and the first movable lower pressure plate 3, which will not be elaborated further here. It should be noted that regardless of which sliding method is adopted, the sliding method of the first movable lower pressure plate 3 and the second movable lower pressure block 5 remains consistent.

[0046] Furthermore, the transmission unit 2 also includes a data processing component for receiving pressure values ​​from the pressure sensor 6 and a pneumatic regulating component electrically connected to the data processing component, and an air inlet 10 and an exhaust 11 for connecting to the pneumatic regulating component are provided on the side wall of the frame body 7.

[0047] The data processing component is electrically connected to the pressure sensor 6 and the air pressure regulating component, respectively. The air pressure regulating component is mechanically connected to the air inlet 10 and the air outlet 11, respectively. The data processing component receives and compares the pressure on each CTP battery cell, and controls the air pressure regulating component to perform three working states: inflation, holding, and vacuuming. The air pressure regulating component regulates the air pressure in the sealed pressure regulating chamber 8 through the air inlet 10 and the air outlet 11. The positions of the air inlet 10 and the air outlet 11 on the sealed pressure regulating chamber 8 are not specifically limited in this application, as long as they can ensure normal inflation and deflation.

[0048] Specifically, the target pressure value and the maximum pressure value that the CTP battery cell can withstand are preset. The pressure sensor 6 is located at the bottom of the second movable lower pressure block 5 in the transmission unit 2. During the shaping and boxing process, it can directly sense the pressure generated by a single second movable lower pressure block 5 on a single CTP battery cell and transmit the sensed value to the data processing component. The data processing component compares the pressure values ​​of multiple CTP battery cells with the preset target pressure value. For CTP battery cells with pressure values ​​lower than the target pressure value, the air pressure regulating component is controlled to inflate them, increasing the air pressure in the sealed pressure regulating chamber 8 and forcing the second movable lower pressure block 5 to continue to descend. For CTP battery cells with pressure values ​​between the target pressure value and the maximum pressure value that they can withstand, no action is taken. For CTP battery cells with pressure values ​​higher than the maximum pressure value that they can withstand, the corresponding sealed pressure regulating chamber 8 is evacuated, making the sealed pressure regulating chamber 8 a negative pressure state, raising the position of the second movable lower pressure block 5, and reducing its pressure on the CTP battery cell.

[0049] Specifically, let the pressure value of the lower pressure unit 1 be F. ig The target pressure value applied to the CTP battery cell is F. mb The maximum force F allowed for a single CTP battery cell dmax The number of cells in a single-row cell group is n, and the pressure value of the i-th second active lower pressure block 5 is F. ki f is the safety factor, typically ranging from 0.7 to 0.85. The restoring force of the return spring 4 is F. ih ,but:

[0050] F mb =fnF dmax

[0051] If the pressure value F of the i-th second active pressure block 5 is mb It exceeds the safe pressure value that CTP battery cells can withstand, that is:

[0052] F ki -fF dmax >0

[0053] Then, a vacuum needs to be evacuated from the sealed pressure regulating chamber 8 to reduce the pressure on the i-th second movable lower pressure block 5. The negative pressure value for evacuation is:

[0054] F ki -fF dmax +F ih .

[0055] If the pressure value F of the i-th second active pressure block 5 is mbLess than the safe pressure value that a CTP battery cell can withstand, that is:

[0056] F ki -fF dmax <0

[0057] Then, the sealing and pressure regulating chamber 8 needs to be pressurized, increasing the downward force of the i-th second movable lower pressure block 5. The pressurization value is:

[0058] F ki -fF dmax -F ih .

[0059] Furthermore, the air pressure regulating component includes an air pressure regulating device, which includes, but is not limited to, devices such as air pumps in the prior art. It can meet the three working states of inflation, static and depressurization according to actual needs, and there are no specific limitations in this application.

[0060] As an optional embodiment, there are multiple transmission units 2 in this application, and the pressure of the sealed pressure regulating chamber 8 in the multiple transmission units 2 needs to be adjusted individually. Therefore, there can be multiple air pressure regulating devices, each corresponding to a sealed pressure regulating chamber 8. Alternatively, there can be a single air pressure regulating device with multiple air source outputs, each acting on a sealed pressure regulating chamber 8, and each air source output can operate independently.

[0061] The working mechanism of the CTP battery cell box-forming device in this application is as follows: The pressing unit 1 drives the transmission unit 2 to descend. The initial pressing component in the transmission unit 2 first performs a preliminary pressing on the CTP battery cell. Then, the pressure sensor 6 in the second movable pressing block 5 transmits the pressure on multiple CTP battery cells to the data processing component. The data processing component compares and calculates, and controls the air pressure regulating component to adjust the air pressure of each individual sealed pressure regulating chamber 8 in different ways according to the different pressures on each CTP battery cell, until the pressure on each CTP battery cell reaches the preset target pressure value, completing the bonding work between the CTP battery cell and the battery box. Finally, the pressing unit 1 drives the transmission unit 2 to rise, completing the reset.

[0062] The CTP battery cell packing and shaping setup in this application includes a primary pressing component and a secondary pressing component. The primary pressing component applies uniform force to the CTP battery cells for initial pressing. Subsequently, by adjusting the air pressure inside a separately set sealed pressure regulating chamber 8, and in conjunction with a second movable pressing block 5 slidably set within the sealed pressure regulating chamber 8, a secondary individual pressure adjustment can be performed based on the pressure applied to each CTP battery cell. This ensures uniform force on each cell, thereby absorbing manufacturing tolerances and adhesive coating tolerances in the packing system. It reduces damage to the CTP battery cells caused by excessive pressure and prevents insufficient adhesion between some CTP battery cells and the packing system due to insufficient force. It also reduces the difficulty of packing system manufacturing and precise control of adhesive coating, greatly improving packing efficiency.

[0063] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and 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, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0064] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0065] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A CTP battery cell packing and shaping device, characterized in that, include: Downward pressure unit (1); as well as A plurality of longitudinally parallel transmission units (2) located at the bottom of the pressing unit (1); The transmission unit (2) includes a primary pressing component and a secondary pressing component. The primary pressing component includes a first movable pressing plate (3), a reset spring (4), and a second movable pressing block (5) located at the bottom of the pressing unit (1) and arranged sequentially from top to bottom. A pressure sensor (6) is provided at the bottom of the second movable pressing block (5). The secondary pressing component includes a retaining frame (7) arranged around the outer periphery of the reset spring (4). The retaining frame (7), the first movable pressing plate (3), and the second movable pressing block (5) together form a sealed pressure regulating chamber (8) with adjustable internal air pressure.

2. The CTP battery cell shaping device as described in claim 1, characterized in that, The pressing unit (1) includes a pressing power source (101) and an integral pressing strip (102) located at the output end of the pressing power source (101). The integral pressing strip (102) is oriented in the same direction as the transmission unit (2).

3. The CTP battery cell shaping device as described in claim 2, characterized in that, The bottom of the integral pressure strip (102) is fixedly connected to the top of the first movable lower pressure plate (3).

4. The CTP battery cell shaping device as described in claim 1, characterized in that, The top of the reset spring (4) is fixedly connected to the first movable lower pressure plate (3), and the bottom of the reset spring (4) is fixedly connected to the second movable lower pressure block (5).

5. The CTP battery cell shaping device as described in claim 1, characterized in that, The inner wall of the retaining frame (7) is provided with a guide unit.

6. The CTP battery cell shaping device as described in claim 5, characterized in that, The guiding unit includes several guide rails (9) arranged longitudinally on the inner sidewall of the retaining frame (7).

7. The CTP battery cell shaping device as described in claim 6, characterized in that, The first movable lower pressure plate (3) and the second movable lower pressure block (5) are both connected to the guide rail (9).

8. The CTP battery cell shaping device as described in claim 1, characterized in that, The transmission unit (2) further includes a data processing component for receiving the pressure value of the pressure sensor (6) and a pneumatic regulating component electrically connected to the data processing component.

9. The CTP battery cell shaping device as described in claim 8, characterized in that, The pressure regulating assembly includes a pressure regulating device.

10. The CTP battery cell shaping device as described in claim 9, characterized in that, The retaining frame (7) has an air inlet (10) and an exhaust (11) on its side wall for connection with the air pressure regulating device.

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