Extrusion tool

Abstract

The extrusion tool comprises a supporting assembly, an extrusion assembly and a measuring assembly, the supporting assembly is used for supporting a part to be extruded, the extrusion assembly comprises a movable end and a fixed end, the fixed end is fixedly connected with the supporting assembly so as to abut against the part to be extruded, and the movable end is in sliding connection with the supporting assembly. The measuring assembly comprises a reading piece and an indicating piece, the reading piece is fixedly connected with the supporting assembly, extrusion parameters are marked on the reading piece, the indicating piece is connected with the movable end, and the indicating piece is used for moving along with the movable end and used for being matched with the reading piece to identify current extrusion parameters; the technical problem that the extrusion degree of a battery cell on an extrusion tool cannot be quantified is solved.

Description

Technical Field

[0001] This utility model relates to the field of battery cell module equipment technology, and in particular to an extrusion tooling. Background Technology

[0002] In battery manufacturing, the cell extrusion process is a crucial step in ensuring its performance and reliability. During extrusion, cells typically need to be processed within a specific pressure range to ensure material compaction and internal uniformity. Excessive extrusion pressure can lead to damage to electrode materials, electrolyte leakage, or cell deformation, all of which can severely impact battery lifespan and safety.

[0003] However, existing extrusion fixtures lack effective monitoring methods in actual operation, making it difficult for operators to accurately judge the extrusion force and effect. This leads to the risk of over-extrusion, potentially damaging the structure and performance of the battery cells. Therefore, research is urgently needed on how to measure and provide real-time feedback on the degree of extrusion for extrusion fixtures. Utility Model Content

[0004] One objective of this invention is to provide an extrusion fixture that solves the technical problem that the degree of extrusion of the battery cell cannot be quantified.

[0005] To achieve the above objectives, the present invention provides a solution as follows: an extrusion fixture, comprising a support assembly for supporting the workpiece to be extruded; an extrusion assembly comprising a movable end and a fixed end, the fixed end being fixedly connected to the support assembly to abut against the workpiece to be extruded, and the movable end being slidably connected to the support assembly for extruding the workpiece towards the fixed end; and a measuring assembly comprising a display element and an indicator element, the display element being fixedly connected to the support assembly and marked with extrusion parameters, and the indicator element being connected to the movable end and used to move together with the movable end to indicate the current extrusion parameters in conjunction with the display element.

[0006] Optionally, along the sliding direction of the mobile end, the indicator is provided with a mating groove, the indicator is elongated, one end of the indicator is connected to the mobile end, and the other end is slidably mated with the mating groove.

[0007] Optionally, the support assembly includes a carrying plate, a base, a first fixed seat and a second fixed seat. The first fixed seat is disposed at one end of the base and connected to the fixed end, and the second fixed seat is disposed at the other end of the base and connected to the movable end. The carrying plate is disposed between the first fixed seat and the second fixed seat and fixedly connected to the base to support the workpiece to be extruded.

[0008] Optionally, a guide groove is provided on the side of the carrier plate facing away from the base, and the guide groove is used to slide with the workpiece to be extruded.

[0009] Optionally, the support assembly also includes a limiting member that surrounds the carrier plate to prevent displacement of the workpiece to be squeezed.

[0010] Optionally, the base is provided with a plurality of adjustment slots spaced apart, the plurality of adjustment slots being distributed along the sliding direction of the moving end, and the first fixed seat being used to connect with at least one of the plurality of adjustment slots by means of fasteners to adjust the position of the first fixed seat.

[0011] Optionally, the base may also have multiple weight-reducing grooves to reduce the weight of the support components.

[0012] Optionally, the fixed end includes a first abutment plate, which is fixed on the support assembly to abut against the part to be extruded; the movable end includes a second abutment plate, which is slidably connected to the support assembly, and the second abutment plate has a central hole for a drive member to connect to and drive the second abutment plate to extrude the part to be extruded toward the first abutment plate.

[0013] Optionally, the mobile terminal also includes a limiting plate and a fixed shaft. The limiting plate is connected to the support assembly through the fixed shaft. The limiting plate is located on the side of the second abutment plate opposite to the first abutment plate. The limiting plate has a clearance hole for the output end of the driving component to pass through.

[0014] Optionally, the mobile terminal also includes multiple guide shafts, which are fixedly connected to the second abutment plate, slidably connected to the support assembly, and parallel to each other.

[0015] The beneficial effects of this utility model are as follows:

[0016] Compared to existing technologies, this application introduces a measuring component into the extrusion fixture. Through the precise coordination of the indicator and the numerator, the degree of extrusion is accurately indicated, facilitating quick adjustment of the extrusion pressure by the operator, making the entire operation more efficient and safer. In practical use, a suitable range of extrusion parameters is pre-calculated during the preparation stage. During extrusion, the indicator displays the extrusion parameters on the numerator, reflecting the current extrusion pressure in real time. By ensuring that the indicated parameters of the measuring component remain within this range, the risk of cell damage due to excessive extrusion pressure can be effectively avoided. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, 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 utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1This is a schematic diagram of the extrusion tooling and the workpiece to be extruded provided in this embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of the extrusion tooling provided in an embodiment of the present invention;

[0020] Figure 3 This is a top view of the extrusion tooling provided in this embodiment of the utility model;

[0021] Figure 4 This is provided by the embodiment of the present utility model. Figure 3 A cross-sectional view along the AA direction;

[0022] Figure 5 This is provided by the embodiment of the present utility model. Figure 4 A magnified view of a portion of region A in the middle;

[0023] Figure 6 This is provided by the embodiment of the present utility model. Figure 3 A partial structural cross-sectional view along the BB direction.

[0024] Explanation of icon numbers:

[0025] 10. Support assembly; 11. Carrier plate; 111. Guide groove; 12. Base; 121. Adjustment groove; 122. Weight reduction groove; 13. First fixed seat; 14. Second fixed seat; 15. Limiting component; 20. Extrusion assembly; 21. Fixed end; 211. First abutment plate; 22. Moving end; 221. Second abutment plate; 2211. Center hole; 222. Limiting plate; 2221. Clearance hole; 223. Fixed shaft; 224. Guide shaft; 30. Measuring assembly; 31. Indicator; 311. Mating groove; 32. Indicator; 40. Part to be extruded. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1 to 3 , Figure 1 This is a schematic diagram of the extrusion tooling and the workpiece 40 to be extruded provided in this embodiment of the present invention. Figure 2 This is a schematic diagram of the extrusion tooling provided in an embodiment of the present invention. Figure 3 This is a top view of the extrusion tooling provided in an embodiment of this utility model.

[0028] This utility model provides an extrusion fixture designed to improve the accuracy and safety of the battery cell extrusion process. The extrusion fixture includes a support assembly 10, an extrusion assembly 20, and a measuring assembly 30, which complement each other to jointly complete the extrusion work.

[0029] The support assembly 10 is the foundation of the entire device, responsible for providing stable support for the workpiece 40 to be compressed. The compression assembly 20 includes a fixed end 21 and a movable end 22. The fixed end 21 is fixedly connected to the support assembly 10, forming a stop point to ensure that the workpiece 40 to be compressed does not slip or shift when pressure is applied. The movable end 22 is slidably connected to the support assembly 10, enabling it to apply uniform pressure to the workpiece 40 to be compressed towards the fixed end 21.

[0030] The measuring component 30 is used to measure the degree of compression, and its structure includes a display element 31 and an indicator element 32. The display element 31 is fixed to the support component 10 and clearly marks the compression parameters. The indicator element 32 is connected to the mobile terminal 22 and can move synchronously with the movement of the mobile terminal 22, dynamically indicating the current compression parameters in real time. Through the cooperation of the display element 31 and the indicator element 32, the operator can clearly understand the current compression status and make necessary adjustments in a timely manner.

[0031] In this embodiment, unlike existing technologies, a measuring component 30 is introduced into the extrusion fixture. Through the cooperation of the indicator 31 and the pointer 32, the degree of extrusion is accurately indicated, facilitating quick adjustment of the extrusion force by the operator. In practical use, the operator can calculate the appropriate range of extrusion parameters during the preparation stage. During the extrusion process, as long as the indicated parameters of the measuring component 30 are maintained within this range, the risk of cell damage due to excessive extrusion force can be effectively avoided.

[0032] Furthermore, in order to improve the accuracy of the measuring component 30, the present invention provides a mating groove 311 on the indicator 31 along the sliding direction of the moving end 22. The indicator 32 is elongated, with one end connected to the moving end 22 and the other end slidingly mating with the mating groove 311, thereby improving the stability of the indicator 32 during the movement process and enabling it to accurately reflect the current extrusion parameters.

[0033] In this embodiment, the presence of the mating groove 311 effectively restricts the degree of freedom of the indicator 32, preventing it from shifting direction or tilting during the extrusion process. By fixing the other end of the indicator 32 in the mating groove 311, the operator can ensure that the indicator 32 can always slide on the correct trajectory regardless of how the extrusion assembly 20 moves. This avoids measurement errors caused by the deviation of the indicator 32, improves the reliability of the measurement assembly 30, and ensures that the operator can obtain accurate extrusion parameter information in real time during cell extrusion, further guaranteeing the safety and quality of the cell.

[0034] Furthermore, the specific structure of the support assembly 10 may include a carrier plate 11, a base 12, a first fixing seat 13, and a second fixing seat 14. The base 12, as the core part of the entire support assembly 10, provides a load-bearing foundation for the entire extrusion fixture. At one end of the base 12, the first fixing seat 13 is provided, which is connected to the fixed end 21 of the extrusion assembly 20. It is responsible for fixing and resisting the workpiece 40 to be extruded during the extrusion process, maintaining stability under pressure, and preventing displacement or deformation of the battery cell.

[0035] In contrast, a second fixed seat 14 is provided at the other end of the base 12. The second fixed seat 14 is slidably connected to the moving end 22, allowing the moving end 22 to slide during the extrusion process to ensure smooth pressure transmission. The carrier plate 11 is disposed between the first fixed seat 13 and the second fixed seat 14 and is fixedly connected to the base 12. The carrier plate 11 provides a stable platform for supporting the workpiece 40 to be extruded.

[0036] In this embodiment, the coordinated action of the base 12, the first fixing seat 13, the second fixing seat 14, and the carrier plate 11 enables the support assembly 10 to efficiently cooperate with the extrusion assembly 20 to complete the extrusion process of the battery cell. This balances good stability and load-bearing capacity, ensuring the safety and consistency of the battery cell during the extrusion process.

[0037] Furthermore, to facilitate the installation of the workpiece 40 to be compressed, the carrier plate 11 has a guide groove 111 on the side facing away from the base 12. The guide groove 111 is designed to slide with the workpiece 40 to be compressed, facilitating the quick placement of the workpiece 40 into the compression area. The guide groove 111 can be elongated to facilitate the smooth insertion and movement of the workpiece 40. In addition, the guide groove 111 enables the workpiece 40 to remain stable during the compression process, reducing the risk of damage due to friction or positional displacement.

[0038] In this embodiment, the guide groove 111 provides a guiding channel to guide the workpiece 40 to be compressed to the correct position, so as to ensure that the pressure applied during compression is uniform. At the same time, due to the limiting effect of the guide groove 111, the workpiece 40 to be compressed is kept in the correct position, avoiding skewed or asymmetrical compression caused by poor sliding.

[0039] Furthermore, the support assembly 10 also includes a limiting member 15, which surrounds the carrier plate 11. The limiting member 15 can be a ring or a rectangular frame, etc., in order to prevent the extruded part 40 from shifting during the extrusion process.

[0040] In this embodiment, the limiting member 15 not only enhances the protection of the extruded part 40, but also ensures that it remains stable when pressure is applied. By providing a physical barrier, the limiting member 15 prevents the extruded part 40 from shifting or deviating due to lateral forces or uneven pressure during the extrusion process, thereby improving the accuracy of cell extrusion, reducing the risk of damage caused by displacement, and effectively improving the overall quality and performance of the battery.

[0041] Furthermore, considering the potential differences in the size of the extruded part 40, the fixed end 21 is also equipped with an adjustment function to accommodate battery cells of different sizes. Specifically, the base 12 is provided with multiple adjustment slots 121 spaced apart. These adjustment slots 121 are evenly distributed along the sliding direction of the moving end 22, providing adjustment space for the fixed end 21. The first fixed seat 13 is connected to at least one of the multiple adjustment slots 121 by fasteners, thereby achieving precise adjustment of the position of the first fixed seat 13.

[0042] In this embodiment, the adjustment function enhances the applicability and flexibility of the extrusion fixture. The operator can easily change the distance between the first fixed seat 13 and the workpiece 40 by selecting a suitable adjustment slot 121 for connection according to the specific dimensions of the workpiece 40 to be extruded. The equipment is compatible with various types and sizes of battery cells, improving production efficiency and reducing the complexity of equipment adjustments.

[0043] Furthermore, the base 12 is provided with multiple weight-reducing grooves 122, which are designed to effectively reduce the overall weight of the support assembly 10. The weight-reducing grooves 122 reduce the amount of material used by excavating specific slots in the base 12, thereby reducing the total mass of the support assembly 10. In this embodiment, the weight-reducing grooves 122 reduce weight without affecting the load-bearing capacity and structural integrity of the base 12.

[0044] Further, please refer to Figures 4 to 6 , Figure 4 This is provided by the embodiment of the present utility model. Figure 3 Sectional view along the AA direction. Figure 5 This is provided by the embodiment of the present utility model. Figure 4 A magnified view of a portion of region A in the middle. Figure 6 This is provided by the embodiment of the present utility model. Figure 3A partial structural cross-sectional view along the BB direction. The specific arrangement of the fixed end 21 and the movable end 22 in the extrusion assembly 20 is as follows: The fixed end 21 includes a first abutment plate 211, which is fixed to the support assembly 10 to ensure its stability and load-bearing capacity. Its main function is to effectively abut the workpiece 40 to be extruded, providing reliable support and force transmission. The movable end 22 includes a second abutment plate 221, which is connected to the support assembly 10 via a sliding connection, allowing it to move smoothly. The second abutment plate 221 has a central hole 2211 for connecting a driving component, allowing the driving component to transmit power to the second abutment plate 221 to drive it to extrude the workpiece 40 towards the first abutment plate 211.

[0045] In this embodiment, the first abutment plate 211 ensures that the workpiece 40 to be compressed will not shift when pressure is applied, reducing the risk of damage caused by improper positioning. The sliding connection of the second abutment plate 221 makes the compression process smoother. Through the central hole 2211 in the second abutment plate 221, the drive unit can be directly connected and apply the necessary power to achieve uniform pressure on the workpiece 40 to be compressed. The choice of drive unit can also be adjusted according to actual needs, such as using electric or pneumatic drive, improving production efficiency and reducing the burden of manual operation.

[0046] Furthermore, the mobile end 22 also includes a limiting plate 222 and a fixed shaft 223. The limiting plate 222 is connected to the support assembly 10 via the fixed shaft 223. The limiting plate 222 is disposed on the side of the second abutment plate 221 opposite to the first abutment plate 211, forming a structural protection and support. The limiting plate 222 has a clearance hole 2221, which allows the output end of the driving member to pass through, thereby enabling the driving member to effectively transmit power to the second abutment plate 221 to complete the pressing operation.

[0047] In this embodiment, the limiting plate 222 restricts the moving end 22, preventing excessive movement of the second abutment plate 221 during the extrusion process. This protects the driving component and prevents damage to the driving component from potential impacts during extrusion. The clearance hole 2221 allows the driving component to pass smoothly without obstruction during operation, ensuring efficient power transmission.

[0048] Furthermore, the movable end 22 also includes multiple guide shafts 224, which are fixedly connected to the second abutment plate 221 and slidably connected to the support assembly 10. This allows the movable end 22 to move freely under the action of the driving member, while reducing friction and maintaining smooth movement. The multiple guide shafts 224 are evenly arranged and parallel to each other, providing guidance for the second abutment plate 221 and ensuring that the second abutment plate 221 moves in a fixed direction during the pressing process.

[0049] In this embodiment, the parallel-arranged guide shafts 224 effectively guide the movement of the moving end 22, avoiding uneven compression caused by unnecessary tilting or deviation, and ensuring that the second abutment plate 221 maintains its ideal movement trajectory during the compression process. Furthermore, compared to using only one guide shaft 224, the arrangement of multiple guide shafts 224 significantly improves the stability and guiding accuracy of the structure. The parallel arrangement of multiple guide shafts 224 effectively distributes the load applied to the moving end 22, resulting in more uniform force distribution during compression and reducing the risk of tilting or deformation caused by excessive force at a single point. In addition, during high-pressure compression operations, the multiple guide shafts 224 work together, providing stronger support and preventing overall movement deviation due to the failure of a single guide shaft 224.

[0050] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture. If the specific posture changes, the directional indicator will also change accordingly.

[0051] It should also be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on the other component or may be connected to an intermediary component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component through an intermediary component.

[0052] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0053] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An extrusion tooling, characterized in that, include: Support components are used to support the part to be extruded; The extrusion assembly includes a movable end and a fixed end. The fixed end is fixedly connected to the support assembly to hold the workpiece to be extruded. The movable end is slidably connected to the support assembly for extruding the workpiece towards the fixed end. The measuring component includes a display and an indicator. The display is fixedly connected to the support component and is marked with extrusion parameters. The indicator is connected to the mobile end and is used to move with the mobile end to cooperate with the display to indicate the current extrusion parameters.

2. The extrusion tooling according to claim 1, characterized in that, Along the sliding direction of the moving end, the indicator has a mating groove. The indicator is elongated, with one end connected to the moving end and the other end slidingly mating with the mating groove.

3. The extrusion tooling according to claim 1, characterized in that, The support assembly includes a carrying plate, a base, a first fixed seat, and a second fixed seat. The first fixed seat is disposed at one end of the base and connected to the fixed end. The second fixed seat is disposed at the other end of the base and connected to the movable end. The carrying plate is disposed between the first fixed seat and the second fixed seat and fixedly connected to the base to support the workpiece to be extruded.

4. The extrusion tooling according to claim 3, characterized in that, The side of the carrier plate facing away from the base has a guide groove, which is used to slide with the workpiece to be extruded.

5. An extrusion tooling according to claim 3, characterized in that, The support assembly also includes a limiting member that surrounds the carrier plate to prevent the workpiece from shifting.

6. The extrusion tooling according to claim 3, characterized in that, The base is provided with a plurality of adjustment slots spaced apart, the plurality of adjustment slots being distributed along the sliding direction of the moving end, and the first fixed seat being used to connect to at least one of the plurality of adjustment slots via fasteners to adjust the position of the first fixed seat.

7. An extrusion tooling according to claim 3, characterized in that, The base is also provided with multiple weight-reducing grooves to reduce the weight of the support components.

8. An extrusion tooling according to any one of claims 1-7, characterized in that, The fixed end includes a first abutting plate, which is fixed to the support assembly to abut against the receiving extrusion member; The mobile terminal includes a second abutment plate, which is slidably connected to the support assembly. The second abutment plate has a central hole for a drive component to connect and drive the second abutment plate to press the workpiece to be pressed towards the first abutment plate.

9. An extrusion tooling according to claim 8, characterized in that, The mobile terminal also includes a limiting plate and a fixed shaft. The limiting plate is connected to the support assembly through the fixed shaft. The limiting plate is located on the side of the second abutment plate opposite to the first abutment plate. The limiting plate has a clearance hole for the output end of the driving component to pass through.

10. An extrusion tooling according to claim 8, characterized in that, The mobile terminal also includes multiple guide shafts, which are fixedly connected to the second abutment plate, slidably connected to the support assembly, and are parallel to each other.

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