A device for battery pack production and processing

Abstract

The application relates to the technical field of battery pack production and processing, and provides a device for battery pack production and processing, which comprises a contact transmission part provided with a contact surface for contacting the inner bottom of a battery pack shell; two rubber sticking parts arranged on the contact transmission part, one of which is used for conveying a rubber strip along a first conveying direction, and the other is used for conveying a rubber strip along a second conveying direction; and a moving driving part, wherein the contact transmission part is arranged on the moving driving part. The device for battery pack production and processing can solve the technical problem that, in the prior art, the battery module needs to be clamped at different positions by a clamping device multiple times and the posture of the battery module needs to be changed when the surface of the battery module is coated with rubber, and the electrode may be damaged due to mechanical contact or glue penetration.

Description

Technical Field

[0001] This application relates to the field of battery pack manufacturing and processing technology, and in particular to an apparatus for battery pack manufacturing and processing. Background Technology

[0002] A battery pack, also known as a power battery pack, is a power source device that can provide electrical energy to new energy vehicles such as electric vehicles and hybrid vehicles. It is usually composed of multiple battery cells combined together in series, parallel or mixed connection to form a battery module, and integrates auxiliary systems such as battery management system and thermal management system. Finally, it is installed in a protective shell to form a complete energy storage and supply system that can provide continuous and stable power to the vehicle.

[0003] In related technologies, during the production and processing of battery packs, adhesives (such as shock-absorbing adhesives and heat-insulating adhesives suitable for cold regions) are usually applied to the surface of the battery module first, and then the battery module is assembled into the protective shell. However, when applying adhesives to the surface of the battery module, especially to the bottom of the battery module, it is necessary to clamp the battery module at different positions and change its posture multiple times using a clamping device. This may damage the electrodes due to mechanical contact or adhesive penetration. Furthermore, due to the complex structure of the battery module, such as its curved surface and edges, problems such as uneven adhesive application and adhesive trajectory deviation are prone to occur. Summary of the Invention

[0004] This application provides a battery pack manufacturing and processing apparatus, which can improve the technical problem in the related art where, when applying adhesive to the surface of the battery module, it is necessary to clamp the battery module at different positions and change the posture of the battery module multiple times using a clamping device, which may damage the electrodes due to mechanical contact or adhesive penetration.

[0005] This application provides a battery pack manufacturing and processing apparatus for applying adhesive to the inner bottom of a battery pack casing located at a preset position. The battery pack manufacturing and processing apparatus includes:

[0006] The abutting transmission part has an abutting surface for contacting the inner bottom of the battery pack housing;

[0007] Two adhesive application sections are disposed on the abutting transmission section, one of which is used to convey the adhesive strip along a first conveying direction, and the other is used to convey the adhesive strip along a second conveying direction; and

[0008] A moving drive unit is provided, and the abutting transmission unit is disposed on the moving drive unit. The moving drive unit is used to drive the abutting surface to approach the inner bottom of the battery pack housing, drive the abutting transmission unit to move, and change the tilt angle of the abutting transmission unit.

[0009] The two adhesive application parts are located on opposite sides of the moving direction of the contact transmission part. The contact transmission part is connected to one of the adhesive application parts to drive the adhesive application part to deliver the adhesive strip when the contact transmission part contacts and moves against the inner bottom of the battery pack housing.

[0010] The technical solutions described in this application embodiment have at least the following technical effects:

[0011] The battery pack manufacturing apparatus provided in this application embodiment drives the contact transmission unit to abut the inner bottom of the battery pack housing via a moving drive unit. The tilt angle of the contact transmission unit is then changed to establish a transmission connection between the contact transmission unit and one of the two adhesive application units. The contact transmission unit is then driven to move along a preset adhesive application path while abutting the inner bottom of the battery pack housing. The contact transmission unit converts the friction between the contact surface and the housing into adhesive application power, driving the adhesive application unit to synchronously convey the adhesive strip at its moving speed. This achieves adhesive application on the inner bottom of the battery pack housing, improving the problem of module deformation caused by clamping when applying adhesive based on the battery module. By having the two adhesive application units convey the adhesive strip along two different conveying directions (a first conveying direction and a second conveying direction), the moving distance of the contact transmission unit is shortened, improving adhesive application efficiency. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the 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.

[0013] Figure 1 This is a schematic diagram of the structure of the battery pack manufacturing and processing apparatus provided in the embodiments of this application;

[0014] Figure 2 A schematic diagram of the contact transmission part and two adhesive parts provided in the embodiments of this application;

[0015] Figure 3 A cross-sectional view of the swing transmission device and the abutment fixing device provided in the embodiments of this application under the transmission connection;

[0016] Figure 4 A cross-sectional view of the swing transmission device and the abutment fixing device provided in the embodiments of this application, excluding the transmission connection;

[0017] Figure 5 This is a schematic diagram of the bottom of the battery pack casing and the adhesive area.

[0018] The following are the labeling elements in the figure:

[0019] 100. Battery pack manufacturing and processing equipment; 10. Abutment transmission part; 11. Mounting and receiving part; 111. Transmission hole; 112. Guide groove; 113. Mounting and receiving space; 12. Swing transmission device; 121. Swing rod; 122. First swing wheel; 123. Second swing wheel; 124. Fixing part; 1241. First groove; 1242. Second groove; 13. Abutment fixing device; 131. Abutment rod; 1311. Guide column; 132. First abutment wheel; 1321. Abutment surface; 133. Second abutment wheel; 134. Elastic element; 20. Adhesive application part; 21. Adhesive application mounting part; 22. Rotating roller; 23. Cutting device; 30. Moving drive part; 31. Moving device; 32. Angle adjustment device; 40. Conveying device. Detailed Implementation

[0020] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application. The terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0022] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0023] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0025] In this application, "and / or" is merely a way of describing the relationship between related objects, indicating that three relationships can exist; for example, A and / or B can represent three cases: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0026] It should be noted that in this application, the words "in some embodiments," "exemplarily," and "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described in this application as "in some embodiments," "exemplarily," or "for example" should not be construed as being more preferred or advantageous than other embodiments or design solutions. Specifically, the use of words such as "in some embodiments," "exemplarily," and "for example" is intended to present related concepts in a specific manner, meaning that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of this application. The appearance of the above words in various places in the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that is mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0027] A battery pack, also known as a power battery pack, is a power source device that can provide electrical energy to new energy vehicles such as electric vehicles and hybrid vehicles. It is usually composed of multiple battery cells combined together in series, parallel or mixed connection to form a battery module, and integrates auxiliary systems such as battery management system and thermal management system. Finally, it is installed in a protective shell to form a complete energy storage and supply system that can provide continuous and stable power to the vehicle.

[0028] In related technologies, during the production and processing of battery packs, adhesives (such as shock-absorbing adhesives and heat-insulating adhesives suitable for cold regions) are usually applied to the surface of the battery module first, and then the battery module is assembled into the protective shell. However, when applying adhesives to the surface of the battery module, especially to the bottom of the battery module, it is necessary to clamp the battery module at different positions and change its posture multiple times using a clamping device. This may damage the electrodes due to mechanical contact or adhesive penetration. Furthermore, due to the complex structure of the battery module, such as its curved surface and edges, problems such as uneven adhesive application and adhesive trajectory deviation are prone to occur.

[0029] Based on this, in order to improve the problem in the related technology that when applying adhesive to the surface of the battery module, it is necessary to clamp the battery module at different positions and change the posture of the battery module multiple times by a clamping device, which may damage the electrodes due to mechanical contact or adhesive penetration, the embodiments of this application provide the following solution.

[0030] Please see Figure 1 This application provides a battery pack manufacturing and processing apparatus 100, which includes an abutment transmission part 10, two adhesive application parts 20 and a movement drive part 30.

[0031] The abutment transmission part 10 has an abutment surface 1321 for contacting the inner bottom of the battery pack housing.

[0032] Two adhesive application sections 20 are disposed on the abutment transmission section 10, one adhesive application section 20 is used to convey adhesive strips along a first conveying direction, and the other adhesive application section 20 is used to convey adhesive strips along a second conveying direction.

[0033] The contact transmission part 10 is disposed on the moving drive part 30. The moving drive part 30 is used to drive the contact surface 1321 close to the inner bottom of the battery pack housing, drive the contact transmission part 10 to move, and change the tilt angle of the contact transmission part 10.

[0034] The two adhesive application parts 20 are located on both sides of the moving direction of the contact transmission part 10. The contact transmission part 10 is connected to one of the adhesive application parts 20 so as to drive the adhesive application part 20 to deliver adhesive strips when the contact transmission part 10 contacts and moves against the inner bottom of the battery pack housing.

[0035] It can be understood that the contact transmission unit 10 is a device that can contact the inner bottom of the battery pack housing, and is connected to the adhesive application unit 20 by changing the tilt angle, and converts the friction between the contact surface 1321 and the housing during movement into the power for the adhesive application unit 20 to deliver the adhesive strip.

[0036] Two adhesive application sections 20 convey adhesive strips along a first conveying direction (e.g., clockwise) and a second conveying direction (e.g., counterclockwise), respectively, and are symmetrically distributed on both sides of the moving direction of the contact transmission section 10. The tilt angle of the contact transmission section 10 is adjusted by the moving drive section 30 so that the contact transmission section 10 is connected to one of the adhesive application sections 20, thereby enabling the adhesive application section 20 to apply adhesive along the moving direction of the contact transmission section 10. Compared with the segmented adhesive application in the traditional adhesive application method, a continuous adhesive application process can be achieved (the contact transmission section 10 does not need to rotate at a large angle when changing the adhesive application direction).

[0037] When applying adhesive, the moving drive unit 30 first drives the contact transmission unit 10 to tilt in the direction of movement so that the contact transmission unit 10 is connected to the adhesive application unit 20 on the side of the direction of movement. Then, the contact transmission unit 10 is driven to approach the inner bottom of the battery pack housing, so that the contact surface 1321 is in close contact with the inner bottom of the battery pack housing, and the adhesive strip delivered by the adhesive application unit 20 is in contact with the battery pack housing. Then, the contact transmission unit 10 is driven to move in the direction of movement. When it is necessary to change the adhesive application direction, the moving drive unit 30 first drives the abutment transmission unit 10 away from the inner bottom of the battery pack housing, so that the abutment surface 1321 is separated from the inner bottom of the battery pack housing. Then, the abutment transmission unit 10 is driven to tilt in the direction of movement, so that the abutment transmission unit 10 is connected to the adhesive application unit 20 on the side of the direction of movement. Then, the abutment transmission unit 10 is driven to approach the inner bottom of the battery pack housing, so that the abutment surface 1321 is in close contact with the inner bottom of the battery pack housing, and the adhesive strip delivered by the adhesive application unit 20 is in contact with the battery pack housing. Then, the abutment transmission unit 10 is driven to move in the direction of movement.

[0038] For example, such as Figure 5 As shown, in the traditional segmented adhesive application method, the moving path points of the adhesive application route are a, b, c, d, e, f in the order of adhesive application. Among them, the effective adhesive application path (the path that applies adhesive to the inner bottom of the battery pack housing during the movement) is a to b, c to d, e to f, while the moving path b to c and d to e are the ineffective adhesive application paths (the path that does not apply adhesive to the inner bottom of the battery pack housing during the movement). However, the moving path points of the adhesive application route of the contact transmission unit 10 of this application can be a, b, c, d, e, f in the order of adhesive application (all of which are effective adhesive application paths, zigzag adhesive application, which can achieve double-layer adhesive application under the same moving path compared to segmented adhesive application), or a, b, d, c, e, f (the ineffective adhesive application paths are b to d and c to e, which are significantly shorter than segmented adhesive application).

[0039] As can be seen from the above, the battery pack manufacturing and processing apparatus 100 provided in this application embodiment drives the contact transmission part 10 to contact the inner bottom of the battery pack housing through the moving drive part 30. Then, the tilt angle of the contact transmission part 10 is changed so that the contact transmission part 10 is connected to one of the two adhesive application parts 20. The contact transmission part 10 is then driven to move along a preset adhesive application path while contacting the inner bottom of the battery pack housing. The friction between the contact surface 1321 and the housing is converted into adhesive application power through the contact transmission part 10 to drive the adhesive application part 20 to synchronously convey the adhesive strip at the moving speed to achieve adhesive application on the inner bottom of the battery pack housing. This improves the problem of module deformation caused by clamping when adhesive application is based on the battery module. By having the two adhesive application parts 20 convey the adhesive strip along two different conveying directions (first conveying direction and second conveying direction), the moving distance of the contact transmission part 10 is shortened, and the adhesive application efficiency is improved.

[0040] In some embodiments, please refer to the following: Figures 2 to 4 The abutment transmission unit 10 includes a mounting and receiving member 11, a swing transmission device 12, and an abutment fixing device 13.

[0041] The mounting accommodating member 11 has a mounting accommodating space 113 and is disposed on the moving drive unit 30. The moving drive unit 30 is used to drive the mounting accommodating member 11 to move and change the tilt angle of the mounting accommodating member 11.

[0042] The swing transmission device 12 is located in the mounting and accommodating space 113 and is rotatably mounted on the mounting and accommodating member 11 for transmission connection with an adhesive part 20 when the mounting and accommodating member 11 is tilted.

[0043] The contact fixing device 13 is located within the mounting and receiving space 113 and is movably disposed on the mounting and receiving member 11. It has a contact surface 1321. The contact fixing device 13 is used to approach and abut against the swing transmission device 12 when the contact surface 1321 contacts the inner bottom of the battery pack housing to limit the rotation direction of the swing transmission device 12. It is also connected to the swing transmission device 12 to drive the adhesive part 20 to deliver the adhesive strip when the mounting and receiving member 11 abuts against the inner bottom of the battery pack housing and moves.

[0044] It is understood that the mounting and accommodating component 11, through the mounting and accommodating space 113, provides a stable mounting and moving carrier for the swing transmission device 12 and the contact fixing device 13, while also undertaking the connection function with the moving drive unit 30. For example, the mounting and accommodating component 11 can be a copper tubular structure, an aluminum tubular structure, etc., but is not limited to these.

[0045] The swing transmission device 12 is a power transmission device connecting the contact fixing device 13 and the adhesive application part 20. Through its rotatable design, it can convert the moving power of the contact fixing device 13 into the conveying power of the adhesive application part 20, and can also change its posture when the mounting housing 11 is tilted, thereby connecting with different adhesive application parts 20 (adapting to different adhesive application needs). For example, the swing transmission device 12 may include a swing member (copper rod-shaped structure, aluminum rod-shaped structure, etc.) rotatably mounted on the mounting housing 11, and two gears (spur gear, helical gear, etc.) respectively disposed at both ends of the swing member and meshing with each other. One gear closer to the contact fixing device 13 is used to mesh with the contact fixing device 13 when the contact fixing device 13 is close (transmission connection), and the other gear farther away from the contact fixing device 13 is used to mesh with the adhesive application part 20 when the swing member is tilted (transmission connection), etc., but is not limited to this.

[0046] The contact fixing device 13 directly contacts the bottom inner side of the battery pack housing and triggers the swing transmission device 12 during contact movement to provide power to the adhesive application part 20. For example, the contact fixing device 13 may include a contact member (aluminum rod, copper rod, etc.) movably mounted on the mounting housing 11, a gear (spur gear, helical gear, etc.) with a contact surface mounted on the end of the contact member away from the swing transmission device 12, and a spring (coil spring, disc spring, etc.) with its two ends connected to the mounting housing 11 and the contact member respectively. During the adhesive application process, the moving drive unit 30 drives the mounting housing 11 closer to the bottom inner side of the battery pack housing, causing the contact member and the gear with the contact surface to continuously approach the bottom inner side of the battery pack housing (until the gear abuts against the bottom inner side of the battery pack housing). When the contact is made, the moving drive unit 30 drives the mounting housing 11 to move closer to the bottom of the inner side of the battery pack housing, so that the gear continues to move closer to the swing transmission device 12. At the same time, the spring is compressed. When the gear with the contact surface meshes with the swing transmission device 12 (transmission connection), the moving drive unit 30 stops driving the mounting housing 11 to move closer to the bottom of the inner side of the battery pack housing. When the moving drive unit 30 drives the mounting housing 11 to move along the adhesive application direction, the gear that is in frictional contact with the bottom of the inner side of the battery pack housing rotates, thereby driving the adhesive application unit 20 to deliver the adhesive strip through the swing transmission device 12 which is connected to the gear transmission.

[0047] With this configuration, during the preparation stage before applying adhesive, the moving drive unit 30 drives the mounting housing 11 (swing transmission device 12 and contact fixing device 13) close to the bottom of the battery pack housing, and drives the mounting housing 11 to tilt so that the swing transmission device 12 is connected to the adhesive application part 20 located on the adhesive application direction side. Then, when the contact fixing device 13 contacts the bottom of the inner side of the housing and is connected to the swing transmission device 12, the moving drive unit 30 stops driving the mounting housing 11 close to the bottom of the battery pack housing.

[0048] During the adhesive application process, the moving drive unit 30 drives the mounting and receiving component 11 to move along the adhesive application direction. Under the action of the friction between the contact surface 1321 and the bottom of the battery pack housing, the contact fixing device 13 transmits the moving power to the adhesive application unit 20 through the swing transmission device 12, thereby driving the adhesive application unit 20 to deliver the adhesive strip. This achieves simultaneous adhesive delivery while moving, reduces the number of power components such as motors, lowers equipment costs, and avoids adhesive deviation caused by independent power.

[0049] When it is necessary to change the adhesive application direction, the moving drive unit 30 drives the mounting housing 11 away from the bottom of the battery pack housing so that the contact fixing device 13 does not contact the bottom of the battery pack housing. Then, the mounting housing 11 is driven to tilt in the direction where adhesive needs to be applied so that the swing transmission device 12 is connected to the adhesive application part 20 (another adhesive application part 20) located on the side where adhesive needs to be applied. Then, the mounting housing 11 is driven closer to the bottom of the battery pack housing so that the contact fixing device 13 contacts the bottom of the inner side of the housing and is connected to the swing transmission device 12.

[0050] In some embodiments, please refer to the following: Figures 2 to 4 The swing transmission device 12 includes a swing rod 121, a first swing wheel 122, a second swing wheel 123, and a fixing member 124.

[0051] The swing arm 121 is located within the mounting and receiving space 113 and is rotatably mounted on the mounting and receiving member 11.

[0052] The first swing wheel 122 is located in the installation and receiving space 113 and is rotatably mounted on the end of the swing rod 121 near the contact fixing device 13.

[0053] The second swing wheel 123 is located in the mounting and accommodating space 113 and is rotatably mounted on the end of the swing rod 121 away from the contact fixing device 13. It is used to drive the mounting and accommodating part 20 through the transmission hole 111 when the mounting and accommodating part 111 is tilted. The first swing wheel 122 and the second swing wheel 123 are drive-connected.

[0054] The fixing member 124 is located in the installation and receiving space 113 and is disposed on the end of the swing arm 121 near the contact fixing device 13. The fixing member 124 has a first groove 1241 and a second groove 1242. The contact fixing device 13 is used to approach and abut against the first groove 1241 or the second groove 1242 of the fixing member 124 when the contact surface 1321 contacts the inner bottom of the battery pack housing to limit the rotation direction of the swing arm 121.

[0055] The first swing wheel 122 is used to drive the contact fixing device 13 when the contact fixing device 13 is in contact with the inner bottom of the battery pack housing, so that when the contact fixing device 13 moves, the first swing wheel 122 and the second swing wheel 123 drive the adhesive part 20 to deliver the adhesive strip.

[0056] It is understood that the swing rod 121 provides a mounting carrier for the first swing wheel 122, the second swing wheel 123, and the fixing member 124, and at the same time, it realizes the transmission connection with different adhesive parts 20 through rotation. For example, the swing rod 121 can be a stainless steel rod, an aluminum alloy rod, etc., but is not limited to these.

[0057] The first oscillating wheel 122 and the second oscillating wheel 123 ensure power transmission through a transmission engagement (such as gear meshing, synchronous belt connection, etc.). For example, the first oscillating wheel 122 and the second oscillating wheel 123 can be spur gears, helical gears, friction wheels, etc., but are not limited to these. The first oscillating wheel 122 may include a first connecting part (spur gear, helical gear) and a second connecting part (spur gear, helical gear). The first connecting part is disposed on the end of the oscillating rod 121 near the abutting fixing device 13, and the second connecting part is disposed on the first connecting part and coaxial with the first connecting part. The first connecting part is used for transmission connection with the abutting fixing device 13, and the second connecting part is used for transmission connection with the second oscillating wheel 123.

[0058] The fixing member 124 restricts the rotation direction of the swing rod 121 by engaging with the abutting fixing device 13, ensuring that the second swing wheel 123 engages with the target adhesive part 20 and preventing transmission misalignment (such as disengaging from the adhesive part 20 during the rotation of the second swing wheel 123). For example, the fixing member 124 can be an aluminum block structure, a copper block structure, etc., but is not limited to these.

[0059] With this configuration, when the moving drive unit 30 drives the mounting housing 11 to tilt, the swing rod 121 rotates in the tilting direction of the mounting housing 11 under the action of gravity. This causes the second swing wheel 123 to approach the adhesive part 20 and engage with it. The rotation of the swing rod 121 causes the fixing member 124 to move away from the adhesive part 20, which is connected to the second swing wheel 123. The fixing member 124 then approaches the groove (first groove 1241 or second groove 1242) of the adhesive part 20, which is connected to the second swing wheel 123, and corresponds to the abutment fixing device 13. When the moving drive unit 30 drives the mounting housing 11 closer to the inner bottom of the battery pack housing, the abutment fixing device 13 is abutted by the battery pack housing, thus approaching and partially located in the corresponding groove (first groove 1241 or second groove 1242) on the fixing member 124. The rotation of the swing rod 121 is restricted by the side wall of the groove, reducing the possibility of transmission misalignment. When the moving drive unit 30 drives the mounting and receiving member 11 to move along the adhesive application direction, the abutting fixing device 13 transmits power to the adhesive application unit 20 through the first swing wheel 122 and the second swing wheel 123 to drive the adhesive application unit 20 to synchronously deliver the adhesive strip.

[0060] In some embodiments, please refer to the following: Figures 2 to 4 The abutment fixing device 13 includes an abutment rod 131, a first abutment wheel 132, a second abutment wheel 133, and an elastic element 134.

[0061] The abutment rod 131 is located within the mounting space 113 and is movably mounted on the mounting member 11.

[0062] The first abutting wheel 132 is rotatably disposed at the end of the abutting rod 131 away from the swing transmission device 12, and has an abutting surface 1321.

[0063] The second abutting wheel 133 is located in the installation and accommodating space 113 and is rotatably disposed at one end of the abutting rod 131 near the swing transmission device 12. The first abutting wheel 132 is connected to the second abutting wheel 133 in a transmission connection.

[0064] The two ends of the elastic element 134 are connected to the abutment rod 131 and the mounting and receiving member 11 respectively, and are used to drive the abutment rod 131 away from the swing transmission device 12.

[0065] When the contact surface 1321 contacts the bottom inner side of the battery pack housing, the contact rod 131 is used to approach and contact the swing transmission device 12 to limit the rotation direction of the swing transmission device 12, and the second contact wheel 133 is used to drive the swing transmission device 12.

[0066] It is understood that the abutment rod 131 provides mounting support for the first abutment wheel 132 and the second abutment wheel 133, and through its own movable design, it can move closer to or further away from the swing transmission device 12, and adapt to the housing contact (plane, inclined plane, etc.) and power transmission requirements. For example, the abutment rod 131 can be a copper rod-shaped structure, an aluminum rod-shaped structure, etc., but is not limited to these.

[0067] The first abutting wheel 132 and the second abutting wheel 133 ensure power transmission through a transmission engagement (such as gear meshing, synchronous belt connection, etc.). For example, the first oscillating wheel 122 and the second oscillating wheel 123 can be spur gears, helical gears, friction wheels, etc., but are not limited to these. The outer peripheral surface of the first abutting wheel 132 is the abutting surface 1321. For example, the outer peripheral surface of the wheel is made of an elastic wear-resistant material (such as polyurethane, nitrile rubber, etc.) to avoid scratching the bottom of the housing (especially plastic or coated housings), and to fit the slight unevenness of the housing through elastic deformation. The second abutting wheel 133 may include a third connecting part (spur gear, helical gear) and a fourth connecting part (spur gear, helical gear). The third connecting part is disposed on the end of the abutting rod 131 near the oscillating transmission device 12, and the fourth connecting part is disposed on the third connecting part and coaxial with the third connecting part. The third connecting part is used for transmission connection with the first abutting wheel 132, and the fourth connecting part is used for transmission connection with the oscillating transmission device 12 (first oscillating wheel 122).

[0068] The elastic element 134 is a spring that ensures the first abutting wheel 132 is in close contact with the battery pack housing and allows the abutting rod 131 to move. For example, the elastic element 134 can be a disc spring, a spiral spring, etc., but is not limited to these. In the compressed state, the elastic element 134 drives the abutting rod 131 away from the swing transmission device 12, ensuring that the first abutting wheel 132 can actively contact the battery pack housing. When the abutting rod 131 moves away from the battery pack housing, the elastic element 134 extends and pushes the abutting rod 131 to return to its original position.

[0069] With this configuration, during the preparation stage before adhesive application, the moving drive unit 30 drives the mounting housing 11 closer to the battery pack housing, causing the contact surface 1321 of the first contact wheel 132 to contact the bottom of the battery pack housing and compressing the elastic member 134. The second contact wheel 133 is connected to the swing transmission device 12, and the contact rod 131 is close to and partially located in the corresponding groove (first groove 1241 or second groove 1242) on the fixing member 124, with the rotation of the swing rod 121 restricted by the side wall of the groove. During adhesive application, as the moving drive unit 30 drives the mounting housing 11 to move along the adhesive application direction, the first contact wheel 132 rotates due to friction, thereby driving the second contact wheel 133 to rotate, thus transmitting power to the swing transmission device 12, which in turn drives the adhesive application unit 20 to synchronously deliver the adhesive strip. After adhesive application is completed, the moving drive unit 30 drives the mounting housing 11 away from the housing, the elastic member 134 extends and pushes the contact rod 131 back to its original position, and the first and second contact wheels 133 return to their initial positions.

[0070] For example, the contact fixing device 13 may also include a pressure sensor (MEMS piezoresistive pressure sensor, piezoelectric pressure sensor, etc.). The pressure sensor may be disposed on the mounting housing 11 and connected to the contact rod 131. It is used to monitor the contact pressure between the first contact wheel 132 and the battery pack housing through the contact rod 131. When the contact pressure is less than the preset pressure, the mounting housing 11 can be driven closer to the bottom of the battery pack housing by the moving drive unit 30 to increase the contact pressure, thereby ensuring that the first contact wheel 132 is in close contact with the housing. When the contact pressure is greater than the preset pressure, the mounting housing 11 can be driven away from the bottom of the battery pack housing by the moving drive unit 30 to reduce the contact pressure and prevent the first contact wheel 132 or the housing from being damaged due to excessive pressure.

[0071] In some embodiments, please refer to the following: Figures 2 to 4 The adhesive application section 20 includes an adhesive application mounting component 21, a rotating roller 22, and a cutting device 23.

[0072] The adhesive mounting part 21 is provided on the abutment transmission part 10.

[0073] The rotating roller 22 is rotatably mounted on the adhesive mounting component 21 for conveying adhesive strips along the first conveying direction or the second conveying direction, and the contact transmission unit 10 is connected to one of the rotating rollers 22 in a transmission connection.

[0074] The cutting device 23 is mounted on the adhesive mounting component 21 and is used to cut the adhesive strip conveyed by the rotating roller 22.

[0075] The two adhesive mounting parts 21 are located on both sides of the moving direction of the abutment transmission part 10.

[0076] It can be understood that the adhesive mounting bracket 21 is a fixed frame for the rotating roller 22 and the cutting device 23. For example, the adhesive mounting bracket 21 can be a copper mounting bracket, an aluminum mounting bracket, etc., but is not limited to these.

[0077] The rotating roller 22, through a transmission connection with the contact transmission unit 10, converts the moving power of the contact transmission unit 10 into the conveying power of the adhesive strip. For example, the rotating roller 22 may include a rotating wheel (spur gear, helical gear, etc.) and a roller shaft (tension control roller shaft, guide roller shaft, etc.). The roller shaft is rotatably mounted on the adhesive mounting part 21 for conveying the adhesive strip along a first conveying direction or a second conveying direction. The rotating wheel is mounted on the roller shaft for transmission connection (meshing) with the contact transmission unit 10 (second swing wheel 123), etc., but is not limited to these.

[0078] The cutting device 23 can quickly and evenly cut the adhesive strip during the conveying process, ensuring that the length of the adhesive strip matches the size of the adhesive application area on the battery pack housing. For example, the cutting device 23 may include a cylinder (straight rod cylinder, double-acting cylinder) and a blade (stainless steel blade, ceramic blade, etc.). The cylinder may be mounted on the adhesive application mounting part 21, and the blade may be mounted on the power output end of the cylinder, etc., but is not limited to these.

[0079] With this configuration, when the contact transmission part 10 is tilted, the second swing wheel 123 is connected (engaged) to the rotating roller 22 on one side of the tilt direction of the contact transmission part 10. By using two rotating rollers 22 located on both sides of the moving direction of the contact transmission part 10 and conveying the adhesive strip in different conveying directions (first conveying direction and second conveying direction), it is not necessary to perform large-angle rotation to change the adhesive application direction of the adhesive application part 20 during the adhesive application process. Compared with the traditional unidirectional adhesive application, the ineffective travel of the adhesive application part 20 can be reduced and the adhesive application efficiency can be improved by using two rotating rollers 22 that convey the adhesive strip in different conveying directions.

[0080] For example, the cutting device 23 can also be provided on the adhesive strip conveying device, which is used to convey the adhesive strip (base and functional part) to the rotating roller 22 and receive the adhesive strip (base) output by the rotating roller 22. The cutting device 23 can pre-cut the adhesive strip through a preset adhesive application path, so that the cut position on the adhesive strip can coincide with the turning point on the preset adhesive application path during the adhesive application process.

[0081] In some embodiments, please refer to the following: Figures 2 to 4 The moving drive unit 30 includes a moving device 31 and an angle adjustment device 32.

[0082] Angle adjustment device 32 is mounted on moving device 31, and abutting transmission part 10 is rotatably mounted on angle adjustment device 32.

[0083] The moving device 31 is used to drive the angle adjusting device 32 to move, and the angle adjusting device 32 is used to adjust the tilt angle of the contact transmission part 10.

[0084] It can be understood that the moving device 31 is a device capable of driving the angle adjustment device 32 (along with the contact transmission part 10 and the adhesive application part 20) to move along a preset adhesive application path, thereby achieving adhesive coverage of the area on the bottom of the battery pack casing that needs adhesive application. For example, the moving device 31 can be a dual-axis cross slide, a six-degree-of-freedom articulated robotic arm, etc., but is not limited to these.

[0085] The angle adjustment device 32 is a device that can adjust the tilt angle of the contact transmission part 10 so that the contact surface 1321 can be adapted to the non-planar structure of the bottom of the battery pack housing, and enables the contact transmission part 10 to be connected to different adhesive parts 20. For example, the angle adjustment device 32 can be an electric rotary platform, a pneumatic rotary platform, etc., but is not limited to these.

[0086] With this configuration, the moving device 31 drives the angle adjustment device 32 (along with the contact transmission part 10) to move above the starting position of the adhesive application on the battery pack housing. The angle adjustment device 32 drives the contact transmission part 10 to tilt in the adhesive application direction so that the contact transmission part 10 is connected to the adhesive application part 20 on the adhesive application side. Then, the moving device 31 drives the angle adjustment device 32 (along with the contact transmission part 10) to approach and the bottom of the battery pack housing until the swing transmission device 12 is connected to the contact fixing device 13 and the contact rod 131 is fixed to the fixing member 124 through the first groove 1241 or the second groove 1242. Then, the moving device 31 drives the angle adjustment device 32 (along with the contact transmission part 10) to move along the adhesive application direction. When it is necessary to change the adhesive application direction (such as at a bend in the adhesive application path), the moving device 31 first drives the angle adjusting device 32 (along with the contact transmission part 10) away from the bottom of the battery pack housing (so that the swing transmission device 12 is not connected to the contact fixing device 13 and the contact rod 131 is not in contact with the first groove 1241 or the second groove 1242). Then, the angle adjusting device 32 adjusts the orientation of the contact transmission part 10 (so that the projections of the first conveying direction and the second conveying direction in the direction perpendicular to the battery pack housing are parallel to the new adhesive application direction), and tilts the contact transmission part 10 toward the new adhesive application direction so that... The contact transmission unit 10 is connected to the adhesive application unit 20 on the side of the new adhesive application direction. Then, the moving device 31 drives the angle adjustment device 32 (along with the contact transmission unit 10) to approach and the bottom of the battery pack housing until the swing transmission device 12 is connected to the contact fixing device 13 and the contact rod 131 is fixed to the fixing member 124 through the first groove 1241 or the second groove 1242. The adhesive strip (functional part) conveyed on the rotating roller 22 is brought into contact with the battery pack housing. Then, the moving device 31 drives the angle adjustment device 32 (along with the contact transmission unit 10) to move along the adhesive application path in the new adhesive application direction.

[0087] In some embodiments, please refer to the following: Figures 2 to 4 The centers of gravity of the first swing wheel 122 and the fixing member 124 are collinear in a direction perpendicular to the swing direction of the swing rod 121, and the sum of the weights of the first swing wheel 122 and the fixing member 124 is less than or equal to the weight of the second swing wheel 123.

[0088] This configuration, by aligning the centers of gravity of the first swing wheel 122 and the fixing member 124 in a direction perpendicular to the swing direction of the swing rod 121, reduces the additional torque during the swing process, ensuring that the swing rod 121 is only subjected to the driving torque, thus preventing instability caused by center of gravity shift. By ensuring that the sum of the weights of the first swing wheel 122 and the fixing member 124 is less than or equal to the weight of the second swing wheel 123, the second swing wheel 123 becomes the unbalanced end of the swing rod 121. This ensures that when the mounting housing 11 is tilted, the swing rod 121 can rotate in the tilt direction of the mounting housing 11 under gravity, achieving reliable engagement between the second swing wheel 123 and the corresponding adhesive part 20.

[0089] In some embodiments, please refer to the following: Figures 2 to 4 The abutment rod 131 has at least two guide posts 1311, and the mounting and receiving member 11 has a guide groove 112. The guide posts 1311 are located in the guide groove 112, and the abutment rod 131 can move closer to or away from the swing transmission device 12 along the guide groove 112.

[0090] With this configuration, when the elastic element 134 extends to drive the abutment rod 131 away from the swing transmission device 12, the guide post 1311 moves synchronously along the guide groove 112. The groove wall of the guide groove 112 blocks the lateral displacement of the abutment rod 131, ensuring that the second abutment wheel 133 always remains aligned with the first swing wheel 122 (without lateral misalignment). When the contact surface 1321 contacts the battery pack housing, the elastic element 134 is compressed, and the abutment rod 131 approaches the swing transmission device 12 along the guide groove 112. The cooperation between the guide post 1311 and the guide groove 112 ensures that the second abutment wheel 133 can be accurately embedded into the meshing position of the first swing wheel 122. Limiting protrusions can also be provided at both ends of the guide groove 112. When the guide post 1311 moves to the end of the groove, the limiting protrusions prevent it from moving further, thus avoiding the abutting rod 131 from getting too close to the swing transmission device 12 (causing excessive compression between the second abutting wheel 133 and the first swing wheel 122, resulting in tooth surface wear) or too far away (causing excessive stretching of the elastic element 134, leading to fatigue failure). This provides mechanical protection for the movement range of the abutting rod 131.

[0091] In some embodiments, the adhesive strip includes a base and a functional part, the functional part being adhered to the base, the base being used to provide support for the functional part, and the functional part being used to achieve the special properties of the adhesive strip; when the rotating roller 22 is conveying the adhesive strip, the base is in contact with the rotating roller 22, and the cutting device 23 is used to cut the functional part.

[0092] It is understandable that the base provides stable support for the functional parts and adapts to the conveying characteristics of the rotating roller 22, ensuring that the adhesive strip can be conveyed oriented and smoothly in the adhesive application section 20. For example, the base can be made of abrasion-resistant, low-adhesion film or sheet (such as PET polyester film, PP polypropylene film, release paper, etc.), with a thickness of 0.2mm to 1mm. The width of the base can be slightly larger than that of the functional parts, so that areas without functional parts are reserved on both sides of the base. On the one hand, this provides a wider contact surface for the rotating roller 22, preventing the adhesive strip from shifting during conveying. On the other hand, it can serve as a positioning reference for the cutting device 23, ensuring that the cutting device 23 does not cut the base when cutting the functional parts, or does not cut the base when cutting the functional parts, so that the base can continue to convey subsequent functional parts.

[0093] The functional part is used to achieve the special properties of the rubber strip (shock absorption, heat insulation, sealing, etc.). The side of the functional part near the battery pack housing can be coated with adhesive to facilitate fixation to the battery pack housing.

[0094] With this configuration, if the cutting device 23 cuts both the base and the functional part at the same time, the base fragments left during the cutting process may remain in the battery pack housing or the adhesive part 20, which may cause gaps during subsequent adhesive application (affecting sealing or shock absorption performance); however, if the cutting device 23 only cuts the functional part and retains the base, the entire base can be recycled after bonding (e.g., through the release paper recycling shaft), reducing the risk of base residue.

[0095] In some embodiments, please refer to the following: Figures 2 to 4 The battery pack manufacturing and processing apparatus 100 also includes a conveying device 40.

[0096] The conveying device 40 is used to transport the battery pack housing to a preset position and to transport the battery pack housing at the preset position to the side of the battery pack for assembly.

[0097] It is understood that the conveyor 40 transports the battery pack casing from the storage area to the preset position required for adhesive application, and then transfers the casing to the side of the battery packaging wiring after adhesive application, thereby improving the problems of low efficiency and large positioning deviation in traditional manual handling. For example, the conveyor 40 can be a belt conveyor, roller conveyor, etc., but is not limited to these.

[0098] With this configuration, the conveying device 40 picks up or receives battery pack housings from the housing storage area and transports them along the guide rail to the preset adhesive application position. When the battery pack housing reaches the preset position, the conveying device 40 pauses, and a fixing device (positioning pin, gripping robot, etc.) set on or beside the conveying device 40 fixes the battery pack housing in the preset position. After the battery pack housing is adhesively applied, the fixing device releases the battery pack housing, the conveying device 40 starts, and outputs the battery pack housing at the preset position to the side of the battery pack for subsequent assembly.

[0099] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An apparatus for manufacturing and processing battery packs, characterized in that, The battery pack manufacturing and processing apparatus includes: an adhesive application device for applying adhesive to the inner bottom of a battery pack casing located at a predetermined position. The abutting transmission part has an abutting surface for contacting the inner bottom of the battery pack housing; Two adhesive application sections are disposed on the abutting transmission section, one of which is used to convey the adhesive strip along a first conveying direction, and the other is used to convey the adhesive strip along a second conveying direction; and A moving drive unit is provided, and the abutting transmission unit is disposed on the moving drive unit. The moving drive unit is used to drive the abutting surface to approach the inner bottom of the battery pack housing, drive the abutting transmission unit to move, and change the tilt angle of the abutting transmission unit. The two adhesive application parts are located on opposite sides of the moving direction of the contact transmission part. The contact transmission part is connected to one of the adhesive application parts to drive the adhesive application part to deliver adhesive strips when the contact transmission part contacts and moves against the inner bottom of the battery pack housing. The abutment transmission unit includes: The mounting accommodating component has a mounting accommodating space and is disposed on the moving drive unit. The moving drive unit is used to drive the mounting accommodating component to move and change the tilt angle of the mounting accommodating component. The mounting accommodating component has two transmission holes communicating with the mounting accommodating space on the side near the two adhesive parts. A swing transmission device, located within the mounting space, is rotatably mounted on the mounting member and is used for transmission connection with one of the adhesive application parts via the transmission hole when the mounting member is tilted; and An abutting fixing device is located within the mounting and accommodating space and is movably disposed on the mounting and accommodating member. It has the abutting surface. The abutting fixing device is used to approach and abut against the swing transmission device when the abutting surface contacts the inner bottom of the battery pack housing to limit the rotation direction of the swing transmission device. It is also connected to the swing transmission device to drive the adhesive part to deliver the adhesive strip when the mounting and accommodating member abuts against and moves against the inner bottom of the battery pack housing. The adhesive application part includes: An adhesive mounting component is provided on the abutting transmission part; A rotating roller, rotatably mounted on the adhesive mounting component, is used to convey adhesive strips along the first conveying direction or the second conveying direction; the abutment transmission unit is drively connected to one of the rotating rollers; and A cutting device, mounted on the adhesive mounting component, is used to cut the adhesive strip conveyed by the rotating roller; The two adhesive mounting parts are located on opposite sides of the moving direction of the abutment transmission part.

2. The battery pack manufacturing and processing apparatus as described in claim 1, characterized in that, The swing transmission device includes: A swing arm is located within the mounting and accommodating space and is rotatably mounted on the mounting and accommodating component; The first swing wheel is located within the installation and receiving space and is rotatably mounted on the end of the swing rod near the abutting fixing device; The second swing wheel, located within the mounting space, is rotatably mounted on the end of the swing rod away from the abutment fixing device. It is used for transmission connection via the transmission hole to one of the adhesive application parts when the mounting member is tilted. The first swing wheel and the second swing wheel are transmissionally connected. A fixing member, located within the installation and accommodating space, is disposed on one end of the swing arm near the abutting fixing device. The fixing member has a first groove and a second groove. The abutting fixing device is used to approach and abut against the first groove or the second groove of the fixing member when the abutting surface contacts the inner bottom of the battery pack housing to limit the rotation direction of the swing arm. The first swing wheel is used to drive the adhesive part to deliver adhesive strip when the contact fixing device abuts against the inner bottom of the battery pack housing.

3. The apparatus for battery pack production and processing as described in claim 1, characterized in that, The abutment fixing device includes: An abutment rod is located within the mounting space and is movably mounted on the mounting member; The first abutting wheel is rotatably disposed at the end of the abutting rod away from the swing transmission device, and has the abutting surface; The second abutting wheel, located within the mounting space, is rotatably disposed at one end of the abutting rod near the swing transmission device; the first abutting wheel and the second abutting wheel are drively connected. An elastic element, the two ends of which are respectively connected to the abutment rod and the mounting and receiving member, is used to drive the abutment rod away from the swing transmission device; When the contact surface abuts against the inner bottom of the battery pack housing, the contact rod is used to approach and abut against the swing transmission device to limit the rotation direction of the swing transmission device, and the second contact wheel is used to drive the swing transmission device.

4. The apparatus for battery pack production and processing as described in claim 1, characterized in that, The mobile drive unit includes: Mobile devices; and An angle adjustment device is provided on the moving device, and the abutting transmission part is rotatably provided on the angle adjustment device; The moving device is used to drive the angle adjusting device to move, and the angle adjusting device is used to adjust the tilt angle of the abutment transmission part.

5. The apparatus for battery pack production and processing as described in claim 2, characterized in that, The centers of gravity of the first swing wheel and the fixed member are collinear in a direction perpendicular to the swing direction of the swing rod, and the sum of the weights of the first swing wheel and the fixed member is less than or equal to the weight of the second swing wheel.

6. The battery pack manufacturing apparatus as described in claim 3, characterized in that, The abutment rod has at least two guide posts, and the mounting accommodating member has a guide groove. The guide posts are located in the guide groove, and the abutment rod can move closer to or away from the swing transmission device along the guide groove.

7. The apparatus for battery pack manufacturing and processing as described in claim 1, characterized in that, The adhesive strip includes a base and a functional part. The functional part is adhered to the base, and the base is used to provide support for the functional part. The functional part is used to achieve the special properties of the adhesive strip. When the rotating roller conveys the adhesive strip, the base comes into contact with the rotating roller, and the cutting device is used to cut the functional part.

8. The apparatus for battery pack manufacturing and processing as described in claim 1, characterized in that, The battery pack manufacturing and processing apparatus also includes: A conveying device is used to transport the battery pack housing to the preset position and to transport the battery pack housing at the preset position to the side of the battery pack for assembly.

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