Short-knife battery cell fixed center type stepless variable-pitch gripper

Abstract

The utility model discloses a short-knife battery cell fixed center type stepless variable-pitch gripper. The gripper comprises a fixed base plate; the shear fork type pitch changing mechanism is installed at the bottom of the fixed base plate through a fixed rotating shaft and comprises a plurality of shear fork units connected in a hinged mode, each shear fork unit comprises two pitch changing rods with the center hinged, and the fixed rotating shaft is used for connecting the fixed base plate and a center hinged shaft of the shear fork unit located in the middle; the sliding mechanism is arranged at the bottom of the fixed base plate and comprises a sliding rail and a plurality of sliding blocks arranged on the sliding rail in a sliding mode. The mounting plates are mounted on the sliding blocks in a one-to-one manner, at least one clamping jaw is arranged at the bottom of each mounting plate, and every two adjacent mounting plates are in linkage connection through a scissor unit; and the driving mechanism is used for providing driving force, and under driving of the driving mechanism, the two ends of the shear fork type pitch changing mechanism are synchronously close to or away from the middle. According to the invention, the grabbing stroke and inertia are reduced, and the gripper has flexibility of non-fixed size and can adapt to various battery cell specifications, so that the debugging process is avoided, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of lithium battery production technology, specifically to a short-blade cell fixing center type stepless variable pitch gripper. Background Technology

[0002] A sniper cell is a battery with a specific shape, designed to resemble a short knife, featuring a short and flat profile. Its basic principle is to optimize the battery's internal structure and shape to provide higher energy density and better space utilization. The cell typically consists of a positive electrode, a negative electrode, and an electrolyte, storing and releasing electrical energy through electrochemical reactions. Due to its flat shape, the sniper cell can provide more power within a limited space. Compared to traditional battery designs, this type of cell can be more efficiently distributed within a device, thereby increasing energy density and extending battery life.

[0003] In terms of applications, the short-blade battery cell is particularly suitable for portable electronic devices requiring high energy density and compact design, such as smartphones, tablets, and laptops. Its flat design effectively utilizes internal space, allowing these devices to provide sufficient power while maintaining a slim and lightweight design. Furthermore, the short-blade battery cell design improves the device's heat dissipation performance, as the battery structure typically incorporates optimized heat dissipation mechanisms, reducing the risk of overheating. This makes short-blade batteries increasingly favored in high-performance devices.

[0004] The handling of short-blade battery cells in production is typically accomplished by handling grippers. Handling grippers are mechanical devices specifically designed to handle precision components like batteries, their primary function being to safely and efficiently transfer cells from one location on the production line to another. However, most existing short-blade battery cell handling grippers employ a fixed-size design, which limits their adaptability to different production scenarios.

[0005] Specifically, these grippers typically have fixed dimensions and strokes, and cannot be adjusted to meet actual on-site needs. Due to mechanical limitations, these grippers can only operate between two fixed pitch points, i.e., point A or point B, resulting in poor compatibility when dealing with changes in cell size and position during production. This fixed design prevents the grippers from providing sufficient flexibility and adaptability when handling cells of different sizes or shapes.

[0006] Furthermore, during the handling process, the first battery cell in the gripper is usually kept stationary, while the last cell needs to move throughout the entire process. This results in a large stroke for the handling gripper, and rapid movement can easily cause impacts on the battery cells, negatively affecting their quality and safety.

[0007] Therefore, existing short-blade battery cell handling grippers face certain challenges in terms of efficiency and adaptability, and urgently need further improvement and optimization to enhance the overall efficiency of the production line and the processing accuracy of the battery cells. Utility Model Content

[0008] The purpose of this invention is to provide a stepless variable-pitch gripper with a fixed center for short-blade battery cells, to solve problems such as poor compatibility, insufficient operational flexibility, inconvenient adjustment, and limited mechanical structure in existing technologies. Through stepless adjustment, it can flexibly adapt to short-blade battery cells of different sizes, improving production line efficiency and cell processing accuracy, while reducing the gripper's travel distance during handling to minimize damage to the short-blade battery cells.

[0009] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0010] A short-blade battery cell fixed center type stepless variable pitch gripper, comprising:

[0011] Fixed base plate;

[0012] A scissor-type pitch-changing mechanism is mounted on the bottom of the fixed base plate via a fixed rotating shaft. The scissor-type pitch-changing mechanism includes several hinged scissor units. Each scissor unit includes two pitch-changing rods that are centrally hinged. The fixed rotating shaft is used to connect the fixed base plate to the central hinge shaft of the scissor unit located in the middle.

[0013] A sliding mechanism is provided at the bottom of the fixed base plate, including a slide rail and a plurality of sliders slidably disposed on the slide rail;

[0014] Several mounting plates are mounted on the slider in a one-to-one manner. Each mounting plate has at least one gripper at its bottom. Two adjacent mounting plates are linked together by a scissor unit.

[0015] A drive mechanism is used to provide driving force, under the drive of the drive mechanism, the two ends of the scissor-type variable pitch mechanism move synchronously closer to or further away from the center.

[0016] In some embodiments, the two ends of the scissor lift unit are movably connected to two adjacent mounting plates, and the end of the pitch rod of the scissor lift unit is provided with a follower pin. The mounting plate is provided with an adjustment and limiting hole that cooperates with the follower pin. The adjustment and limiting hole extends along the length direction of the mounting plate, and the follower pin passes through the adjustment and limiting hole and can move along the length direction of the mounting plate within the adjustment and limiting hole.

[0017] In some implementations, two adjacent scissor lift units are hinged together by the follower pin.

[0018] In some embodiments, there are two sliding mechanisms, which are symmetrically arranged on both sides of the scissor-type variable pitch mechanism.

[0019] In some embodiments, the driving mechanism includes a driving member and a connecting push plate. The driving member is disposed on the top of the fixed base plate, and one end of the connecting push plate is connected to the outermost mounting plate, and the other end is connected to the driving end of the driving member.

[0020] In some embodiments, the fixed substrate is provided with a through hole, and the connecting push plate passes through the through hole to connect with the driving end of the driving member, the through hole extending along the width direction of the mounting plate.

[0021] In some embodiments, the drive element is a servo electric cylinder.

[0022] In some embodiments, the grippers on the mounting plates are staggered along the length of the mounting plates.

[0023] In some embodiments, each mounting plate has two grippers, which are respectively arranged at both ends of the mounting plate in the length direction.

[0024] In some embodiments, the gripper is a pneumatic gripper.

[0025] Due to the application of the above technical solution, the beneficial effects of this application compared with the prior art are as follows:

[0026] This application relates to a center-fixed stepless variable-pitch gripper for short-blade battery cells. This gripper utilizes a scissor-type variable-pitch mechanism to enable the coordinated movement of multiple mounting plates. In its structure, a fixed pivot connects the fixed base plate to the central hinge shaft of the scissor unit located in the middle, thus keeping the gripper's center fixed. Under the action of the drive mechanism, the two ends of the scissor-type variable-pitch mechanism can synchronously move closer to or further away from the center. This design significantly reduces the gripping stroke, lowers inertia, and enhances the gripper's stability.

[0027] Meanwhile, through the cooperation of the scissor lift mechanism, sliding mechanism and drive mechanism, this gripper has the flexibility of non-fixed size, can adapt to a variety of battery cell specifications, avoid the debugging process of the gripper, simplify the production process and improve production efficiency. Attached Figure Description

[0028] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the structure of the short-blade battery cell fixed center type stepless variable pitch gripper in the embodiment of this utility model;

[0030] Figure 2 This is a partial structural diagram of the short-blade battery cell fixed center type stepless variable pitch gripper in an embodiment of this utility model.

[0031] Explanation of reference numerals in the attached figures:

[0032] 1-Fixed base plate; 2-Scissor lift unit; 21-Variable pitch rod; 22-Follower pin; 23-Central hinge shaft; 3-Sliding mechanism; 31-Slide rail; 32-Slider; 4-Mounting plate; 5-Drive mechanism; 51-Drive component; 52-Connecting push plate; 6-Fixed rotating shaft; 7-Gripper; 8-Adjustment and limit hole; 9-Through hole. Detailed Implementation

[0033] 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 should fall within the scope of protection of the present application.

[0034] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0035] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0036] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0037] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linked," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; 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, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0038] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0039] Please see Figure 1 and Figure 2 One embodiment of this application provides a short-blade battery cell fixed center type stepless variable pitch gripper, including a fixed base plate 1, a scissor-type variable pitch mechanism, a sliding mechanism 3, several mounting plates 4 and a driving mechanism 5.

[0040] The scissor-type pitch-changing mechanism is mounted on the bottom of the fixed base plate 1 via a fixed rotating shaft 6. The scissor-type pitch-changing mechanism includes several hinged scissor units 2. Each scissor unit 2 includes two pitch-changing rods 21 that are centrally hinged. The fixed rotating shaft 6 is used to connect the fixed base plate 1 with the central hinge shaft 23 of the scissor unit 2 located in the middle.

[0041] The sliding mechanism 3 is disposed at the bottom of the fixed base plate 1, and includes a slide rail 31 and a plurality of sliders 32 slidably disposed on the slide rail 31. In this embodiment, there are two sliding mechanisms 3, which are symmetrically disposed on both sides of the scissor-type variable pitch mechanism.

[0042] The placement of two symmetrical sliding mechanisms 3 on both sides of the scissor-type variable-pitch mechanism significantly improves the stability and smoothness of the gripper's movement. This design evenly distributes force, preventing excessive force on one side and thus extending the gripper's lifespan. Simultaneously, the dual sliding mechanisms 3 enhance the gripper's precise control, making it more accurate when gripping and placing battery cells. This application does not specify a particular number of sliding mechanisms 3; in other embodiments, three or four mechanisms may be used.

[0043] Several mounting plates 4 are mounted one-to-one on the slider 32. Each mounting plate 4 has at least one gripper 7 at its bottom. Adjacent mounting plates 4 are linked together by a scissor unit 2. Specifically, the gripper 7 is a pneumatic gripper. This is a conventional structure.

[0044] In this embodiment, the two ends of the scissor lift unit 2 on the same side are movably connected to two adjacent mounting plates 4. The end of the pitch rod 21 of the scissor lift unit 2 is provided with a follower pin 22. The mounting plate 4 is provided with an adjustment limiting hole 8 that cooperates with the follower pin 22. The adjustment limiting hole 8 extends along the length direction of the mounting plate 4. The follower pin 22 passes through the adjustment limiting hole 8 and can move along the length direction of the mounting plate 4 within the adjustment limiting hole 8.

[0045] In detail, each mounting plate 4 is provided with two adjustment limiting holes 8, which are spaced apart along the length of the mounting plate 4 to engage with the follower pins 22 at the same end of the two pitch rods 21 of the scissor lift unit 2. To simplify the structure, in some embodiments, two adjacent scissor lift units 2 are hinged together by the follower pins 22. That is, the two pitch rods 21 of one scissor lift unit 2 are respectively hinged to the two pitch rods 21 of another scissor lift unit 2 by two follower pins 22, and the two scissor lift units 2 are simultaneously movably connected to one mounting plate 4 by these two follower pins 22.

[0046] The drive mechanism 5 is used to provide driving force. Under the drive of the drive mechanism 5, the two ends of the scissor-type variable pitch mechanism move towards or away from the center synchronously.

[0047] In this embodiment, the driving mechanism 5 includes a driving component 51 and a connecting push plate 52. The driving component 51 is disposed on the top of the fixed base plate 1. One end of the connecting push plate 52 is connected to the outermost mounting plate 4, and the other end is connected to the driving end of the driving component 51. Specifically, the driving component 51 is a servo electric cylinder. It is a conventional structure.

[0048] During transport, the drive unit 51 applies driving force to the connecting push plate 52, which in turn acts on the outermost mounting plate 4. Since the mounting plate 4 is fixed to the slider 32, the driving force causes the slider 32 to move along the slide rail 31 in the direction of the applied force. The mounting plate 4 is linked to the adjacent mounting plate 4 through the scissor unit 2. Therefore, when the outermost mounting plate 4 moves, the linkage of the scissor unit 2 also causes the adjacent mounting plate 4 to start moving. At the same time, the fixed rotating shaft 6 connects the fixed base plate 1 to the central hinge shaft 23 of the scissor unit 2 located in the middle, so that the middle part of the scissor-type variable pitch mechanism remains fixed. Under the linkage of all the scissor units 2, the mounting plates 4 at both ends move towards or away from the middle mounting plate 4 synchronously.

[0049] In some embodiments, a through hole 9 is provided on the fixed base plate 1, and the connecting push plate 52 passes through the through hole 9 to connect with the driving end of the driving member 51. The through hole 9 extends along the width direction of the mounting plate 4. By providing a through hole 9 for the connecting push plate 52 to pass through, the installation position of the connecting push plate 52 is more flexible, which can adapt to different layout requirements, and the overall structure of the gripper can be made compact.

[0050] In this embodiment, the grippers 7 on several mounting plates 4 are staggered along the length of the mounting plates 4. This staggered arrangement prevents the grippers 7 from interfering with each other during movement, thereby improving the overall operational flexibility and efficiency.

[0051] In some embodiments, each mounting plate 4 has two grippers 7, which are respectively arranged at both ends of the mounting plate 4 along its length. The two grippers 7 at both ends can provide uniform clamping force, enhancing the clamping stability of the short-blade battery cell and preventing displacement or drop of the short-blade battery cell due to uneven clamping. This application does not specifically limit the number or type of grippers 7.

[0052] It should be noted that the length direction of the aforementioned mounting plate 4 is as follows: Figure 1 As shown by the middle arrow a, the width direction of the mounting plate 4 is as follows: Figure 1 As indicated by the middle arrow b.

[0053] Due to the application of the above technical solution, the beneficial effects of this application compared with the prior art are as follows:

[0054] This application relates to a center-fixed stepless variable-pitch gripper for short-blade battery cells. This gripper utilizes a scissor-type variable-pitch mechanism to enable the coordinated movement of multiple mounting plates. In its structure, a fixed pivot connects the fixed base plate to the central hinge shaft of the scissor unit located in the middle, thus keeping the gripper's center fixed. Under the action of the drive mechanism, the two ends of the scissor-type variable-pitch mechanism can synchronously move closer to or further away from the center. This design significantly reduces the gripping stroke, lowers inertia, and enhances the gripper's stability.

[0055] Meanwhile, through the cooperation of the scissor lift mechanism, sliding mechanism and drive mechanism, this gripper has the flexibility of non-fixed size, can adapt to a variety of battery cell specifications, avoid the debugging process of the gripper, simplify the production process and improve production efficiency.

[0056] Finally, it should be noted that the above are merely preferred embodiments of this application and are not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A short-blade battery cell fixed-center type stepless variable-pitch gripper, characterized in that, include; Fixed base plate; A scissor-type pitch-changing mechanism is mounted on the bottom of the fixed base plate via a fixed rotating shaft. The scissor-type pitch-changing mechanism includes several hinged scissor units. Each scissor unit includes two pitch-changing rods that are centrally hinged. The fixed rotating shaft is used to connect the fixed base plate to the central hinge shaft of the scissor unit located in the middle. A sliding mechanism is provided at the bottom of the fixed base plate, including a slide rail and a plurality of sliders slidably disposed on the slide rail; Several mounting plates are mounted on the slider in a one-to-one manner. Each mounting plate has at least one gripper at its bottom. Two adjacent mounting plates are linked together by a scissor unit. A drive mechanism is used to provide driving force, under the drive of the drive mechanism, the two ends of the scissor-type variable pitch mechanism move synchronously closer to or further away from the center.

2. The short-blade battery cell fixed center type stepless variable pitch gripper as described in claim 1, characterized in that, The two ends of the scissor lift unit are movably connected to the two adjacent mounting plates respectively. The end of the pitch rod of the scissor lift unit is provided with a follower pin. The mounting plate is provided with an adjustment and limiting hole that cooperates with the follower pin. The adjustment and limiting hole extends along the length direction of the mounting plate. The follower pin passes through the adjustment and limiting hole and can move along the length direction of the mounting plate within the adjustment and limiting hole.

3. The short-blade battery cell fixed center type stepless variable pitch gripper as described in claim 2, characterized in that, The two adjacent scissor lift units are hinged together by the follower pin.

4. The short-blade battery cell fixed center type stepless variable pitch gripper as described in claim 1, characterized in that, The number of sliding mechanisms is two, and the two sliding mechanisms are symmetrically arranged on both sides of the scissor-type variable pitch mechanism.

5. A short-blade battery cell fixed-center type stepless variable-pitch gripper as described in claim 1, characterized in that, The driving mechanism includes a driving component and a connecting push plate. The driving component is disposed on the top of the fixed base plate. One end of the connecting push plate is connected to the outermost mounting plate, and the other end is connected to the driving end of the driving component.

6. A short-blade battery cell fixed-center type stepless variable-pitch gripper as described in claim 5, characterized in that, The fixed base plate is provided with a through hole, and the connecting push plate passes through the through hole to connect with the driving end of the driving member. The through hole extends along the width direction of the mounting plate.

7. A short-blade battery cell fixed-center type stepless variable-pitch gripper as described in claim 5 or 6, characterized in that, The driving component is a servo electric cylinder.

8. A short-blade battery cell fixed-center type stepless variable-pitch gripper as described in claim 1, characterized in that, The grippers on the mounting plate are staggered along the length of the mounting plate.

9. A short-blade battery cell fixed-center type stepless variable-pitch gripper as described in claim 8, characterized in that, Each mounting plate has two grippers, which are respectively arranged at both ends of the mounting plate in the length direction.

10. A short-blade battery cell fixed-center type stepless variable-pitch gripper as described in claim 1, characterized in that, The gripper is a pneumatic gripper.

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