Cylindrical battery production apparatus

Abstract

A cylindrical battery production apparatus (100), comprising: a turret (1), first pressing members (2), fixing members (3), and a first guiding member (4), wherein each first pressing member (2) comprises a first ejector rod (21) movable in the axial direction, each fixing member (3) is used for fixing a case to be press-fitted, the first guiding member (4) is arranged on the outer peripheral side of the turret (1) and is spaced apart from the turret (1) in the radial direction, and when the turret (1) rotates, the first guiding member (4) is used for guiding the first ejector rods (21) to move toward or away from the fixing members (3).

Description

Cylindrical battery production device

[0001] Cross-reference to Related Applications

[0002] The present disclosure is based on and claims priority to Chinese Patent Application No. 202510238407.6, filed on February 28, 2025, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0003] The present disclosure relates to the technical field of battery production equipment, in particular, to a cylindrical battery production device. BACKGROUND

[0004] In the battery production process, many pressing assemblies are needed, for example, the battery shell includes a shell body and a shell cover, and in the battery assembly process, the shell body and the shell cover need to be pressed together, and then the shell body and the shell cover are welded. However, the pressing assembly in the related art occupies a large space, has a complex structure, is high in cost, and is low in pressing efficiency, thereby easily slowing down the assembly efficiency of the battery. SUMMARY

[0005] The present disclosure aims to at least solve one of the technical problems existing in the prior art. To this end, one object of the present disclosure is to provide a cylindrical battery production device which occupies a small space, has a simple structure, is low in cost, and is high in pressing efficiency.

[0006] The cylindrical battery production device according to the embodiment of the present disclosure, the cylindrical battery includes a battery shell, the battery shell includes a shell body and a shell cover, the cylindrical battery production device includes: a turret; a first top pressing piece, the first top pressing piece is installed on the turret, the first top pressing piece includes a first top rod which moves in an axial direction, a plurality of first top pressing pieces are arranged around the rotation axis of the turret, the end of the first top rod fixes the shell cover; a fixing piece, the fixing piece is used for fixing the shell body, the fixing piece is installed on the turret and is spaced apart from the first top pressing piece in an axial direction, a plurality of fixing pieces are provided, and a plurality of fixing pieces correspond to a plurality of first top pressing pieces one by one; a first guide piece, the first guide piece is arranged on the outer circumferential side of the turret and is spaced apart from the turret in a radial direction, when the turret rotates, the first guide piece is used for guiding the first top rod to move in a direction towards the fixing piece or a direction away from the fixing piece, wherein the first top rod moves in a direction towards the fixing piece to press the shell cover on the shell body.

[0007] In the above example, by setting multiple fixing parts and multiple first push rods corresponding to the fixing parts, and by guiding the multiple first pressing parts sequentially through the same first guide, the cylindrical battery production device can continuously press multiple battery cases in sequence, which can significantly improve the pressing efficiency of the cylindrical battery production device. In addition, the multiple fixing parts and multiple first pressing parts of this disclosure are all arranged in the circumferential direction of the rotatable turret, which can significantly reduce the space occupied by the cylindrical battery production device. Each first pressing part and each fixing part is independent of each other and does not interfere with each other, which simplifies the overall structure of the cylindrical battery production device and also significantly reduces the difficulty of operation. Therefore, the cylindrical battery production device of this disclosure occupies little space, has a simple structure, and high pressing efficiency.

[0008] In some embodiments of this disclosure, the first guide member has a first guide rail extending in a zigzag direction around the rotation axis of the turret, the zigzag direction of the first guide rail being axial, and a first guide wheel is provided on the first top rod. The first guide wheel is rotatably disposed on the first top rod, and the first guide wheel cooperates with the first guide rail so that when the turret rotates, the first guide member can guide the first top rod to move toward or away from the fixing member.

[0009] In the above example, the cooperation between the first guide wheel and the first guide rail allows the first push rod to move more stably. This facilitates the continuous pressing of different housings by the cylindrical battery production device, improving the pressing efficiency of the cylindrical battery production device. The rotatable cooperation of the first guide wheel within the first guide rail reduces the friction between the first guide block and the first guide rail, thereby reducing damage to the first guide rail and the first guide block, extending their service life, and allowing the first push rod to move more smoothly in the axial direction.

[0010] In some embodiments of this disclosure, the turret includes: a main shaft and a first turntable on the main shaft, the first pressing member further includes: a first mounting base, the first mounting base being mounted on the outer periphery of the first turntable, and the first push rod being axially movably mounted on the first mounting base.

[0011] In the above example, by installing multiple first pressing components on the outer periphery of the first turntable, the cylindrical battery production device has a more distinct structural hierarchy in the axial direction, which is beneficial to optimizing the overall structural layout of the cylindrical battery production device.

[0012] In some embodiments of this disclosure, the first mounting base has a first guide channel extending axially, and the first push rod passes through the first guide channel.

[0013] In the above example, the first mounting base can guide the first push rod well, so that the first push rod can press the battery case well, and the pressing effect is good.

[0014] In some embodiments of this disclosure, the cylindrical battery production apparatus further includes: a second pressing member, which is mounted on the turret. The second pressing member is located on the axial side of the turret at one end of the fixing member away from the first pressing member. Multiple second pressing members are provided, and each of the multiple second pressing members corresponds to one of the multiple first pressing members. The fixing member has a receiving groove that extends through the fixing member axially, so that the housing and the cover are pressed together by the first pressing member and the second pressing member.

[0015] In the example above, when the fastener grips the housing and the first pressing member moves to press the housing and the cover together, the second pressing member can press against the other end of the housing. In this way, damage to the fastener can be reduced during the pressing process of the housing, thereby improving the service life of the fastener.

[0016] In some embodiments of this disclosure, the receiving groove is constructed by recessing the outer surface of the fixing member away from the rotation axis of the turret toward the rotation axis.

[0017] In the above example, the structure of the fastener is simplified by creating a receiving groove through a surface recess. It is also easier to load or unload the housing into the receiving groove of the fastener, thereby improving the efficiency of loading or unloading and thus improving the overall pressing efficiency.

[0018] In some embodiments of this disclosure, the second pressing member includes a second push rod that is axially movable, and the cylindrical battery production apparatus further includes a second guide member disposed on the outer periphery of the turret and radially spaced from the turret. When the turret rotates, the second guide member is used to guide the second push rod to move toward or away from the fixing member.

[0019] In the example above, the first and second push rods can simultaneously apply force to the housing from different directions, which helps to ensure more uniform stress on the housing, improves the accuracy of the pressing position, effectively enhances the pressing quality, and reduces the defect rate. Moreover, this collaborative operation mode, compared with a single push rod working, can significantly shorten the pressing cycle, improve production efficiency, and reduce production costs.

[0020] In some embodiments of this disclosure, the second guide member has a second guide rail that extends in a zigzag direction around the rotation axis of the turret, the zigzag direction of the second guide rail being axial. The second top pressing member is provided with a second guide wheel, the second guide wheel being rotatably disposed on the second top rod. The second guide wheel cooperates with the second guide rail so that when the turret rotates, the second guide member can guide the second top rod to move toward or away from the fixing member.

[0021] In the example above, the cooperation between the second guide wheel and the second guide rail allows the second push rod to move more stably, and it also helps the cylindrical battery production device to continuously press different housings, thereby improving the pressing efficiency of the cylindrical battery production device.

[0022] In some embodiments of this disclosure, the first guide has a first guide rail for guiding the movement of the first push rod, the first guide rail extending in a zigzag pattern around the rotation axis of the turret, wherein, in the rotation direction of the turret, the first guide rail and the second guide rail zigzag toward each other in a direction close to each other, and / or, the first guide rail and the second guide rail zigzag toward each other in a direction far apart from each other.

[0023] In the above example, by arranging the first guide rail and the second guide rail, the first push rod and the second push rod can move synchronously toward each other or synchronously toward each other. As a result, the cylindrical battery production device can perform battery case pressing operations well, and the pressing efficiency is high.

[0024] In some embodiments of this disclosure, the turret includes: a main shaft and a second turntable sleeved on the main shaft, the second pressing member further includes: a second mounting base, the second mounting base being mounted on the outer periphery of the second turntable, and the second push rod being axially movably mounted on the second mounting base.

[0025] In the above example, by installing multiple second pressing components on the outer periphery of the second turntable, the cylindrical battery production device has a more distinct structural hierarchy in the axial direction, which is beneficial to optimizing the overall structural layout of the cylindrical battery production device.

[0026] In some embodiments of this disclosure, the second mounting base has a second guide channel extending axially, through which the second push rod passes.

[0027] In the above example, the second mounting base can guide the second push rod well, so that the second push rod can press the battery case well, and the pressing effect is good.

[0028] In some embodiments of this disclosure, the second push rod includes: a rod body, one end of which is provided with an assembly cavity facing the fixing member, and the rod body is provided with a second guide wheel; a rod head, one end of which is movably mounted in the assembly cavity, and the other end of which extends out of the assembly cavity toward the opening of the fixing member; and a first elastic member, which is located in the assembly cavity and has its two ends connected to the rod body and the rod head respectively.

[0029] In the example above, the first elastic element connects the rod body and the rod head. During press-fitting, the first elastic element can buffer the pressure in time to avoid rigid collisions that could damage the housing. This ensures press-fitting accuracy, protects the equipment, extends its service life, reduces maintenance costs, and improves production efficiency.

[0030] In some embodiments of this disclosure, the second pressing member further includes: a sleeve, in which the second pressing rod is movably disposed, the sleeve having a through hole extending axially, the second guide wheel passing through the through hole and engaging with the second guide rail; and a third guide wheel rotatably disposed on the sleeve. The second guide member also has a third guide rail extending in a zigzag pattern around the rotation axis of the turret, the third guide rail and the third guide wheel engaging in a guiding relationship, the second guide rail and the third guide rail being axially spaced apart, and in the rotation direction of the turret, the second guide rail and the third guide rail zigzagging in the same direction.

[0031] In the above example, by setting a rod sleeve and an axially extending through hole on the rod sleeve, the position of the second push rod in the axial direction can be adjusted, so that the cylindrical battery production device of this disclosure can flexibly match the housing to be pressed in different sizes in the axial direction, which is highly flexible. The second pressing component is guided in the direction of movement by the second guide wheel and the third guide wheel at the same time, which makes the movement of the second pressing component more stable.

[0032] In some embodiments of this disclosure, the third guide rail has a first track surface near the second guide rail and a second track surface away from the second guide rail. The second pressing member further includes a traveling wheel, which is rotatably mounted on the end of the rod sleeve for rolling on the second track surface. The third guide wheel is disposed on the side of the rod sleeve for rolling on the first track surface.

[0033] In the example above, the cooperation between the third guide wheel and the traveling wheel not only allows the pressure borne by the second pressing member to be transmitted towards the second guide member, but also ensures that the stability of the second pressing member is good when the traveling wheel travels on the second guide rail surface.

[0034] In some embodiments of this disclosure, the cylindrical battery production apparatus further includes: a positioning element installed on the turret; multiple positioning elements are arranged one-to-one between multiple first pressing elements and multiple second pressing elements; each positioning element has a positioning channel extending along a first direction; the positioning channel has a first opening toward the first pressing element and a second opening toward the second pressing element; when the first pressing rod and the second pressing rod move toward each other, the shell cover fixed to the end of the first pressing element and the housing fixed to the fixing element enter the positioning channel for pressing through the first opening and the second opening, respectively.

[0035] In the above example, positioning the cover and the housing respectively by using positioning components can significantly improve the accuracy and reliability of the cover and the housing during assembly.

[0036] In some embodiments of this disclosure, the positioning element includes: a first positioning element and a second positioning element connected axially, the first positioning element having a first positioning channel, the second positioning element having a second positioning channel, the first positioning channel and the second positioning channel jointly defining the positioning channel, the cover being positioned in the first positioning channel by the first positioning element, and the housing being positioned in the second positioning channel by the second positioning element.

[0037] In the above example, the separate first positioning component and the second positioning component can be manufactured separately, which can reduce the processing difficulty of the first positioning component and the second positioning component, thereby reducing the production cost of the cylindrical battery production device. Furthermore, the first positioning component and the second positioning component do not interfere with each other during positioning, which can reduce maintenance costs and improve maintenance efficiency.

[0038] In some embodiments of this disclosure, the first positioning member includes a fixing ring and a positioning claw. The positioning claw is installed on the radial inner side of the fixing ring and can move in the radial direction. Multiple positioning claws are provided, and the multiple positioning claws define the first positioning channel. The end of the first push rod is provided with a pusher, which is used to drive the positioning claw to move in the radial direction.

[0039] In the above example, the movable positioning claw can effectively position the cover, which is simple to operate, has a good positioning effect, is not easy to damage the cover, and has good reliability.

[0040] In some embodiments of this disclosure, a first guide ramp is provided on the radially outer side of the positioning claw, and the pusher is adapted to extend between the positioning claw and the fixing ring to drive the positioning claw to move in the radial direction through the first guide ramp; and / or, a second guide ramp is provided on the side of the pusher facing the positioning claw, and the pusher is adapted to extend between the positioning claw and the fixing ring to drive the positioning claw to move in the radial direction through the second guide ramp.

[0041] In the above example, when the pusher moves the positioning claw, the first or second guide slope can effectively apply a pushing force to the positioning claw, resulting in good stability. Furthermore, by extending the pusher between the positioning claw and the retaining ring, the pusher can be effectively limited and guided, allowing it to move stably along the axial direction, thereby stably pushing the positioning claw, also resulting in good stability.

[0042] In some embodiments of this disclosure, the positioning claw has a guide post extending radially on its radially outer side, and the fixing ring has a guide groove that guides and engages with the guide post.

[0043] In the example above, when the positioning claw moves in the radial direction, the guide post and guide groove can effectively limit the movement direction of the positioning claw, so that the positioning claw can stably limit the shell cover.

[0044] In some embodiments of this disclosure, the first positioning member further includes a second elastic member, which is connected between two adjacent positioning claws in the circumferential direction.

[0045] In the above example, when the pusher moves toward the first positioning member, the two adjacent positioning claws move closer to each other, thereby squeezing the second elastic member and causing it to deform. When the pusher moves away from the first positioning member, the second elastic member can recover its deformation, causing the two adjacent positioning claws to move away from each other, so that the next cover can enter the first positioning channel constructed by the multiple positioning claws.

[0046] In some embodiments of this disclosure, the positioning claws are provided in three parts.

[0047] In the example above, the three positioning claws can effectively adjust and limit the position of the cover. Furthermore, by reducing the number of positioning claws, the positioning claws can better adjust the force exerted on the cover in the circumferential direction, thereby improving the stability of the cover.

[0048] In some embodiments of this disclosure, a first magnetic element is provided at the end of the first push rod facing the fixing member, and the first push rod magnetically attracts the shell cover through the first magnetic element.

[0049] In the above example, the first magnetic chuck can effectively pick up the casing and, after pressing, the casing can be effectively separated from the first push rod, thereby improving the pressing efficiency of the cylindrical battery production device.

[0050] In some embodiments of this disclosure, the fixing member is provided with a second magnetic element, and the fixing member magnetically attracts the housing through the second magnetic element.

[0051] In the above example, the housing can be magnetically fixed to the fastener. After the housing is press-fitted, it can be easily removed from the fastener. The operation is simple and flexible.

[0052] In some embodiments of this disclosure, the cylindrical battery manufacturing apparatus further includes a pressure sensor for acquiring the pressure when the housing and the cover are pressed together.

[0053] In the example above, the pressure value obtained by the pressure sensor is set to determine whether the battery case is properly press-fitted. If the pressure value is not within the preset pressure range, there may be a problem with poor press-fitting, which can be easily repaired.

[0054] Additional aspects and advantages of this disclosure will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this disclosure. Attached Figure Description

[0055] The above and / or additional aspects and advantages of this disclosure will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0056] Figure 1 is a schematic diagram of the structure of a cylindrical battery production apparatus according to an embodiment of the present disclosure.

[0057] Figure 2 is a structural schematic diagram of the first top pressure member according to an embodiment of the present disclosure.

[0058] Figure 3 is a cross-sectional view of a first pressing member according to an embodiment of the present disclosure.

[0059] Figure 4 is a schematic diagram of the bending of the first guide rail and the second guide rail according to an embodiment of the present disclosure.

[0060] Figure 5 is a structural schematic diagram of the second top pressure member according to an embodiment of the present disclosure.

[0061] Figure 6 is a cross-sectional view of a second top pressure member according to an embodiment of the present disclosure.

[0062] Figure 7 is a schematic diagram of the structure of a cylindrical battery production apparatus according to an embodiment of the present disclosure.

[0063] Figure 8 is a cross-sectional view of a cylindrical battery production apparatus according to an embodiment of the present disclosure.

[0064] Figure 9 is an enlarged view of region A in Figure 8.

[0065] Figure 10 is a structural schematic diagram of the first angle of the positioning member according to an embodiment of the present disclosure.

[0066] Figure 11 is a structural schematic diagram of the positioning member at a second angle according to an embodiment of the present disclosure.

[0067] Reference numerals: 100, Cylindrical battery production device; 1, Turret; 11, Main shaft; 12, First turntable; 13, Second turntable; 14, Third turntable; 2, First pressing component; 21, First push rod; 22, First guide wheel; 23, First mounting base; 24, Pushing component; 241, Second guide ramp; 3, Fixing component; 4, First guide component; 40, First guide rail; 41, First annular plate; 42, Second annular plate; 401, First straight section; 402, First bending section; 403, Second straight section; 404, Second bending section; 5, Second pressing component; 51, Second push rod; 511, Rod body; 512, Rod head; 513, First elastic component; 52, Second guide wheel; 53, Second mounting base; 54, Rod sleeve; 541, Through hole; 551, Third guide wheel; 552, Traveling wheel; 6. Second guide member; 60. Second guide rail; 61. Third annular plate; 62. Fourth annular plate; 63. Fifth annular plate; 64. Third guide rail; 601. Third straight section; 602. Third bending section; 603. Fourth straight section; 604. Fourth bending section; 7. Positioning member; 71. First positioning member; 711. Fixing ring; 7111. Guide groove; 712. Positioning claw; 7121. First guide slope; 7122. Guide post; 7123. Second elastic member; 72. Second positioning member; 70. Positioning channel; 701. First positioning channel; 702. Second positioning channel. Detailed Implementation

[0068] The embodiments of the technical solutions disclosed herein will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the technical solutions disclosed herein and are therefore intended to limit the scope of protection of this disclosure.

[0069] 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 disclosure belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this disclosure; the terms “comprising” and “having”, and any variations thereof, in the specification, claims and foregoing description of the drawings of this disclosure are intended to cover non-exclusive inclusion.

[0070] In the description of the embodiments of this disclosure, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary or secondary relationship of the indicated technical features. In the description of the embodiments of this disclosure, "a plurality of" means two or more, unless otherwise explicitly defined.

[0071] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this disclosure. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0072] In the description of the embodiments of this disclosure, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0073] In the description of embodiments of this disclosure, the term "a plurality of" refers to two or more (including two).

[0074] In the description of the embodiments of this disclosure, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" 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 the embodiments of this disclosure and simplifying the description, and are not intended to 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 the embodiments of this disclosure.

[0075] In the description of the embodiments of this disclosure, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0076] Currently, judging from market trends, the application of power batteries is becoming increasingly widespread. Power batteries are not only used in energy storage systems such as hydropower, thermal power, wind power, and solar power plants, but also extensively used in electric vehicles such as electric bicycles, electric motorcycles, and electric cars, as well as in military equipment and aerospace. With the continuous expansion of power battery applications, market demand is also constantly increasing.

[0077] In the battery production process, many pressing operations are required. For example, the battery case includes the casing and the cover. During battery assembly, the casing and the cover need to be pressed together and then welded. However, the cylindrical battery production equipment in related technologies occupies a large space, has a complex structure, high cost, and slow pressing efficiency, which can easily slow down the battery assembly efficiency.

[0078] Based on the above considerations, in order to reduce the space occupied by the cylindrical battery production device and improve the pressing efficiency of the cylindrical battery production device, a cylindrical battery production device is designed. By setting multiple fixing parts and multiple first push rods corresponding to the fixing parts, and the multiple first pressing parts are all guided sequentially by the same first guide, the cylindrical battery production device can press multiple shells sequentially and continuously, which can significantly improve the pressing efficiency of the cylindrical battery production device. In addition, the multiple fixing parts and multiple first pressing parts of this disclosure are all arranged in the circumferential direction of the rotatable turret, which can significantly reduce the space occupied by the cylindrical battery production device. Each first pressing part and each fixing part is independent of each other and does not interfere with each other, which simplifies the overall structure of the cylindrical battery production device and also reduces the difficulty of operation. Therefore, the cylindrical battery production device of this disclosure occupies little space, has a simple structure, and high pressing efficiency, thereby significantly improving the battery assembly efficiency.

[0079] Referring to Figure 1, which is a structural schematic diagram of a cylindrical battery production apparatus 100 according to an embodiment of the present disclosure.

[0080] In some embodiments of this disclosure, a cylindrical battery production apparatus 100 is provided. The cylindrical battery production apparatus 100 includes a turret 1, a first pressing member 2, a fixing member 3, and a first guide member 4. The first pressing member 2 is mounted on the turret 1 and includes a first push rod 21 that is axially movable. Multiple first pressing members 2 are provided and arranged around the rotation axis of the turret 1. The end of the first push rod 21 is fixed to the shell cover. The fixing member 3 is used to fix the shell cover. The fixing member 3 is mounted on the turret 1 and is axially spaced from the first pressing member 2. Multiple fixing members 3 are provided and correspond one-to-one with the multiple first pressing members 2. The first guide member 4 is provided on the outer periphery of the turret 1 and is radially spaced from the turret 1. When the turret 1 rotates, the first guide member 4 is used to guide the first push rod 21 to move toward or away from the fixing member 3. The first push rod 21 moves toward the fixing member 3 to press the shell cover onto the shell cover.

[0081] In other words, a housing to be pressed can be placed on the fixing member 3. During the rotation of the turret 1, the first pressing member 2 and the corresponding fixing member 3 move synchronously with the turret 1. The first guide member 4 can make the first push rod 21 move gradually towards the housing along the axial direction, so that the housing cover fixed at the end of the first push rod 21 is pressed into the housing to be pressed into the fixing member 3, thereby pressing the housing cover and the housing into a battery housing. After the pressing is completed, the turret 1 continues to rotate. At this time, the first push rod 21 can move gradually away from the battery housing along the axial direction. At this time, the pressed battery housing can be removed from the fixing member 3.

[0082] More specifically, during the rotation of the turret 1, each fixing member 3 has a feeding position, a pressing position, and a picking position in the circumferential direction. At the feeding position, the battery case can be placed on the fixing member 3. Then, as the fixing member 3 rotates, the first push rod 21 corresponding to the fixing member 3 gradually moves toward the fixing member 3, thereby pressing the cover and the casing. The pressing time of the first push rod 21 on the battery case can be set according to the rotation speed of the turret 1 and the guiding structure of the first guide member 4 on the first push rod 21. This is described in detail in the following example and will not be repeated here. After the battery case is pressed, the turret 1 continues to rotate, and the first push rod 21 gradually moves away from the battery case. At this time, the pressed battery case can be taken out from the fixing member 3 at the picking position. Then the turret continues to rotate, so that the fixing member 3 and the first pressing member 2 continue to rotate to the feeding position to continue feeding, and the pressing of the battery case is repeated.

[0083] Furthermore, this disclosure includes multiple fixing members 3 and first push rods 21 corresponding to the multiple fixing members 3. Therefore, during the rotation of the turret 1, the multiple first push rods 21 can be sequentially guided by the first guide member 4 to press the battery case on the corresponding fixing member 3, thereby achieving uninterrupted pressing of the battery case, which can improve the pressing efficiency of the cylindrical battery production device 100.

[0084] Furthermore, the press-fitting production line disclosed herein is a turret 1 type production line, which can effectively reduce the space occupied by the cylindrical battery production device 100. Multiple first pressing components 2 are guided sequentially through the same first guide component 4. Each first pressing component 2 and each fixing component 3 are independent of each other and do not interfere with each other, which simplifies the overall structure of the cylindrical battery production device 100 and also reduces the difficulty of operation.

[0085] In the above example, by setting multiple fixing parts 3 and multiple first push rods 21 corresponding to each fixing part 3, and by having multiple first pressing parts 2 guided sequentially by the same first guide part 4, the cylindrical battery production device 100 can sequentially press multiple battery cases without interruption, which can improve the pressing efficiency of the cylindrical battery production device 100. In addition, the multiple fixing parts 3 and multiple first pressing parts 3 are all arranged in the circumferential direction of the rotatable turret 1, which can reduce the space occupied by the cylindrical battery production device 100. Each first pressing part 2 and each fixing part 3 are independent of each other and do not interfere with each other, which simplifies the overall structure of the cylindrical battery production device 100 and also reduces the difficulty of operation. Therefore, the cylindrical battery production device 100 of this disclosure occupies little space, has a simple structure, and high pressing efficiency.

[0086] Please refer to Figure 2, which is a schematic diagram of the structure of the first pressing member 2 according to an embodiment of this disclosure.

[0087] Please refer to Figure 3, which is a cross-sectional view of the first pressing member 2 according to an embodiment of this disclosure.

[0088] Please refer to Figure 4, which is a bending diagram of the first guide rail 40 and the second guide rail 60 according to an embodiment of this disclosure.

[0089] In some embodiments of this disclosure, as shown in Figures 1-3, the first guide member 4 has a first guide rail 40 that extends in a zigzag manner around the rotation axis of the turret 1. The zigzag direction of the first guide rail 40 is axial. A first guide block is provided on the first push rod 21. The first guide block cooperates with the first guide rail 40 so that when the turret 1 rotates, the first guide member 4 can guide the first push rod 21 to move toward or away from the fixing member 3.

[0090] For example, as shown in FIG4, in the extension direction of the first guide rail 40, the first guide rail 40 includes a first straight section 401 and a first bent section 402. One end of the first bent section 402 is connected to the first straight section 401, and the other end is inclined toward the fixing member 3. When the first guide block moves in the first straight section 401, the position of the first guide block in the axial direction does not change. When the first guide block enters the first bent section 402 from the first straight section 401, the first guide block moves closer to the fixing member 3 along the first bent section 402, thereby causing the first push rod 21 to gradually approach the housing, thereby pressing the cover and the housing together. The first straight section 401 and the first bent section 402 can be transitioned by an arc.

[0091] Furthermore, the first guide rail 40 may also include a second bent section 404, one end of which is connected to the other end of the first bent section 402, and the other end of which is connected to the end of the first straight section 401 away from the first bent section 402. When the first guide block enters the second bent section 404, the first guide block can move closer to the second bent section 404 away from the fixing member 3, thereby causing the first push rod 21 to gradually move away from the fixing member 3, so that the pressed battery case can be removed.

[0092] Furthermore, the first guide rail 40 may also include a second straight section 403. When the first guide block moves in the second straight section 403, the position of the second guide block in the axial direction does not change. The second straight section 403 is connected between the first bending section 402 and the second bending section 404. When the first guide block moves in the second straight section 403, the first push rod 21 maintains a pressing state on the battery case, so that the battery case can be press-fitted better.

[0093] Furthermore, when the first guide block moves within the range of the first straight section 401, the housing can be fixed to the fixing member 3 accordingly. Similarly, within the first straight section 401, the pressed battery housing can also be removed from the fixing member 3. That is, the feeding position and the unloading position of the fixing member 3 can both correspond to the range of the first straight section 401, while the range of the second straight section 403 can be the pressing position of the fixing member 3. During the rotation of the turret 1, multiple housings and multiple housing covers are sequentially fed at the feeding position, pressed at the pressing position, and then unloaded at the unloading position. This allows the cylindrical battery production device 100 to continuously perform pressing operations on different battery housings, which can improve the pressing efficiency of the cylindrical battery production device 100. In addition, each first push rod 21 can move well through the cooperation of the first guide block and the first guide rail 40, resulting in good stability.

[0094] In the above example, the cooperation between the first guide block and the first guide rail 40 allows the first push rod 21 to move more stably, and it is beneficial for the cylindrical battery production device 100 to continuously press-fit different battery cases, thereby improving the pressing efficiency of the cylindrical battery production device 100.

[0095] In some embodiments of this disclosure, as shown in FIG1, the first guide rail 40 is a groove-shaped structure that passes through the first guide member 4 radially.

[0096] In other words, when the first guide block is engaged with the first guide rail 40, the first guide block can be directly seen from the outside. Therefore, the assembly difficulty can be reduced when assembling the first guide block or the first guide rail 40. Furthermore, if the first guide block is damaged while moving along the first guide rail 40, it can be easily inspected and replaced.

[0097] In addition, the machining difficulty can be reduced when machining the first guide rail 40.

[0098] In the above example, by setting the first guide rail 40, the assembly difficulty can be reduced, and the maintenance and replacement difficulty of the first guide block can also be reduced.

[0099] In some embodiments of this disclosure, as shown in FIG1, the first guide 4 includes a first annular plate 41 and a second annular plate 42, which are axially spaced apart to form a first guide rail 40 between the first annular plate 41 and the second annular plate 42.

[0100] For example, the cylindrical battery production apparatus 100 may include a main support, and a turret 1, a first annular plate 41 and a second annular plate 42 may be respectively mounted on the main support. The turret 1 is rotatable, and the first annular plate 41 and the second annular plate 42 are both mounted on the outer periphery of the turret 1 and spaced apart axially. A first guide rail 40 is formed between the first annular plate 41 and the second annular plate 42. That is, the first annular plate 41 has a first guide rail 40 surface, and the second annular plate 42 has a second guide rail 60 surface. The first guide rail 40 surface and the second guide rail 60 surface are axially opposite to each other, thereby forming a first guide rail 40 between the first annular plate 41 and the second annular plate 42.

[0101] For example, the first guide rail 40 is constructed by assembling the first annular plate 41 and the second annular plate 42. The first annular plate 41 and the second annular plate 42 can be manufactured separately, or a single annular plate can be manufactured and then cut into the first annular plate 41 and the second annular plate 42. During assembly, the first annular plate 41 and the second annular plate 42 are spaced apart axially. If the first annular plate 41 or the second annular plate 42 is damaged, it can be repaired or replaced individually, which is simple and convenient. Furthermore, the width of the first guide rail 40 in the axial direction is adjustable, so the width of the first guide rail 40 can be set according to actual needs. For example, the first guide rail 40 can be matched with first guide blocks of different sizes. Or, the width of the first guide rail 40 can be larger, and the first guide block can move axially within the first guide rail 40. This disclosure does not limit this, thus making the setting of the first guide rail 40 more flexible.

[0102] In the above example, the first guide rail 40 is constructed by assembling the first annular plate 41 and the second annular plate 42, which can reduce the difficulty of assembly and maintenance. In addition, the width of the first guide rail 40 in the axial direction can be flexibly set, improving the practicality of the first guide 4.

[0103] In some embodiments of this disclosure, as shown in Figures 1-3, the first guide block includes a first guide wheel 22, which is rotatably mounted on the first push rod 21.

[0104] In other words, the first guide wheel 22 is rotatably fitted inside the first guide rail 40 and rolls along the guide surface of the first guide rail 40, thereby reducing the friction between the first guide block and the first guide rail 40, thus reducing damage to the first guide rail 40 and the first guide block, extending the service life of the first guide rail 40 and the first guide block, and also allowing the first push rod 21 to move more smoothly in the axial direction.

[0105] For example, the end of the first push rod 21 is equipped with a first rotating shaft arranged in the radial direction, and the first guide wheel 22 is rotatably mounted on the rotating shaft. The first rotating shaft can be detachably mounted on the end of the first push rod 21, which can facilitate the maintenance or replacement of the first guide wheel 22.

[0106] In the above example, the first guide wheel 22 is rotatably fitted within the first guide rail 40, which can reduce the friction between the first guide wheel 22 and the first guide rail 40, thereby reducing damage to the first guide rail 40 and the first guide wheel 22, extending the service life of the first guide rail 40 and the first guide wheel 22, and also allowing the first push rod 21 to move more smoothly in the axial direction.

[0107] In some embodiments of this disclosure, as shown in FIG1, the turret 1 includes: a main shaft 11 and a first turntable 12 sleeved on the main shaft 11. The first pressing member 2 further includes: a first mounting base 23, which is mounted on the outer periphery of the first turntable 12, and a first push rod 21 is axially movably mounted on the first mounting base 23.

[0108] In other words, multiple installation positions can be set on the outer periphery of the first turntable 12, and a first pressing component 2 can be installed at each installation position. This can reduce the installation difficulty of the first pressing component 2. Furthermore, by installing multiple first pressing components 2 on the outer periphery of the first turntable 12, the cylindrical battery production device 100 has a more distinct structural layer in the axial direction, which is conducive to optimizing the overall structural layout of the cylindrical battery production device 100.

[0109] For example, a through hole 541 can be provided on the first turntable 12, and the first pressing member 2 passes through the through hole 541.

[0110] In the above example, by installing multiple first pressing members 2 on the outer periphery of the first turntable 12, the cylindrical battery production device 100 has a more distinct structural hierarchy in the axial direction, which is beneficial to optimizing the overall structural layout of the cylindrical battery production device 100.

[0111] In some embodiments of this disclosure, the first mounting base 23 has a first guide channel extending axially, through which the first push rod 21 passes.

[0112] For example, a through hole 541 is provided on the first turntable 12, the first mounting base 23 passes through the through hole 541, and the first push rod 21 passes through the first guide channel, making the structure of the first pressing member 2 more compact. In addition, with this sequentially nested arrangement, when the first push rod 21 is pressed into the housing along the axial direction, the first mounting base 23 can guide the first push rod 21 well. When the first mounting base 23 is guiding, the first turntable 12 can also support the first mounting base 23, so that the first mounting base 23 can guide the first push rod 21 more stably.

[0113] In the above example, the first mounting base 23 can guide the first push rod 21 well, so that the first push rod 21 can press the housing well, and the pressing effect is good.

[0114] In some embodiments of this disclosure, the cylindrical battery production apparatus 100 further includes: a second pressing member 5, which is installed on the turret 1. In the axial direction of the turret, the second pressing member 5 is located at the end of the fixing member 3 away from the first pressing member 2. Multiple second pressing members 5 are provided, and each of the multiple second pressing members 5 corresponds to a multiple of the first pressing members 2. The fixing member 3 has a receiving groove that extends through the fixing member 3 in the axial direction, so that the housing and the cover are pressed together by the first pressing member 2 and the second pressing member 5.

[0115] In the example above, when the fixing member 3 grips the housing, and the first pressing member 2 moves to press the housing cover against one end of the housing, the second pressing member 5 can press against the other end of the housing. In this way, during the pressing process of the battery housing, damage to the fixing member 3 can be reduced, thereby improving the service life of the fixing member 3.

[0116] In some embodiments of this disclosure, as shown in FIG1, the receiving groove is constructed by recessing the outer surface of the fixing member 3 away from the rotation axis of the turret 1 toward the rotation axis.

[0117] In other words, by creating a receiving groove through the surface recess of the fastener 3, the structure of the fastener 3 can be simplified, and it is also easier to load or unload the housing towards the receiving groove of the fastener 3, thereby improving the efficiency of loading or unloading, and thus improving the overall pressing efficiency.

[0118] For example, the housing fixed by the fastener 3 can be a battery housing, specifically a cylindrical battery housing. The surface of the receiving groove is curved, and the central angle of the curved surface can be 180° or less. The outer peripheral wall of the battery housing can fit against the surface of the receiving groove, allowing the fastener 3 to be relatively stable when fixing the battery housing. Of course, it is understood that when the surface of the receiving groove is curved, the housing can also be other cylindrical structures. In addition, the receiving groove can also have other shapes in the projection plane perpendicular to the rotation axis of the turret 1. This disclosure does not limit these shapes and will not elaborate further.

[0119] In the above example, the structure of the fastener 3 can be simplified by creating a receiving groove through the surface recess of the fastener 3. It is also easier to load or unload the housing into the receiving groove of the fastener 3, thereby improving the efficiency of loading or unloading and thus improving the overall pressing efficiency.

[0120] Please refer to Figure 5, which is a structural schematic diagram of the second top pressure member 5 according to an embodiment of this disclosure.

[0121] Please refer to Figure 6, which is a cross-sectional view of the second pressing member 5 according to an embodiment of this disclosure.

[0122] In some embodiments of this disclosure, as shown in Figures 1, 5 and 6, the second pressing member 5 includes a second pressing rod 51 that is axially movable. The cylindrical battery production apparatus 100 also includes a second guide member 6, which is disposed on the outer periphery of the turret 1 and is radially spaced from the turret 1. When the turret 1 rotates, the second guide member 6 is used to guide the second pressing rod 51 to move toward or away from the fixing member 3.

[0123] In other words, when the first push rod 21 moves towards the housing, the second push rod 51 can also move towards the housing, thus ensuring that both ends of the housing are well pressurized axially. Furthermore, in terms of spatial layout, the second guide 6 is located on the outer periphery of the turret 1 and radially spaced, avoiding interference between components and ensuring smooth operation. When the turret 1 rotates, the second guide 6 effectively guides the movement of the second push rod 51, allowing it to work well with the first push rod 21 to press the battery housing. During the pressing operation, the first push rod 21 and the second push rod 51 can simultaneously apply force to the battery housing from different directions, which helps to ensure more uniform force distribution on the battery housing, improves the accuracy of the pressing position, effectively enhances the pressing quality, and reduces the defect rate. Moreover, this collaborative operation mode, compared to single push rod operation, can significantly shorten the pressing cycle, improve production efficiency, and reduce production costs.

[0124] For example, the cylindrical battery production apparatus 100 includes a main support, and the turret 1 and the second guide 6 can be respectively mounted on the main support. In this way, the turret 1 can reduce the impact on the second guide 6 when rotating, so that the second guide 6 can stably guide the second push rod 51 toward the fixing member 3 to press the battery case.

[0125] In the example above, the first push rod 21 and the second push rod 51 can simultaneously apply force to the battery casing from different directions, which helps to make the battery casing more uniformly stressed, improves the accuracy of the pressing position, effectively improves the pressing quality, and reduces the defect rate. Moreover, this collaborative operation mode can shorten the pressing cycle, improve production efficiency, and reduce production costs compared to the operation of a single push rod.

[0126] In some embodiments of this disclosure, as shown in Figures 1, 5 and 6, the second guide member 6 has a second guide rail 60 that extends in a zigzag direction around the rotation axis of the turret 1. The zigzag direction of the second guide rail 60 is axial. A second guide block is provided on the second pressing member 5. The second guide block cooperates with the second guide rail 60 so that when the turret 1 rotates, the second guide member 6 can guide the second push rod 51 to move toward or away from the fixing member 3.

[0127] For example, in the extension direction of the second guide rail 60, the second guide rail 60 includes a third straight section 601 and a third bent section 602. One end of the third bent section 602 is connected to the third straight section 601, and the other end is inclined toward the fixing member 3. When the second guide block moves in the third straight section 601, the position of the second guide block in the axial direction does not change. When the second guide block enters the third bent section 602 from the third straight section 601, the second guide block moves closer to the fixing member 3 along the third bent section 602, so that the second push rod 51 gradually approaches the housing and presses against the housing. The third straight section 601 and the third bent section 602 can be transitioned by an arc.

[0128] Furthermore, the second guide rail 60 may also include a fourth bend section 604, one end of which is connected to the other end of the third bend section 602, and the other end of which is connected to the end of the third straight section 601 away from the third bend section 602. When the second guide block enters the fourth bend section 604, the second guide block can move closer to the fourth bend section 604 away from the fixing member 3, thereby causing the second push rod 51 to gradually move away from the housing, so that the press-fitted housing can be removed.

[0129] Furthermore, the second guide rail 60 may also include a fourth straight section 603. When the second guide block moves in the fourth straight section 603, the position of the second guide block in the axial direction does not change. The fourth straight section 603 is connected between the third bending section 602 and the fourth bending section 604. When the second guide block moves in the fourth straight section 603, the second push rod 51 maintains a pressing state on the housing, so that the housing can be press-fitted better.

[0130] Furthermore, when the second guide block moves within the range of the third straight section 601, the housing can be fixed to the fixing member 3 accordingly. Similarly, the pressed battery housing can also be removed from the fixing member 3. That is, the feeding position and the unloading position of the fixing member 3 correspond to the range of the third straight section 601, while the pressing position of the fixing member 3 is within the range of the fourth straight section 603. During the rotation of the turret 1, multiple housings are sequentially fed at the feeding position, pressed at the pressing position, and then unloaded at the unloading position. This allows the cylindrical battery production device 100 to continuously perform pressing operations on different housings, which can improve the pressing efficiency of the cylindrical battery production device 100. In addition, each second push rod 51 can move well through the cooperation of the second guide block and the second guide rail 60, resulting in good stability.

[0131] In the above example, the cooperation between the second guide block and the second guide rail 60 allows the second push rod 51 to move more stably, and it is beneficial for the cylindrical battery production device 100 to continuously press-fit different housings, thereby improving the pressing efficiency of the cylindrical battery production device 100.

[0132] In some embodiments of this disclosure, the first guide 4 has a first guide rail 40 for guiding the movement of the first push rod 21. The first guide rail 40 extends in a zigzag manner around the rotation axis of the turret 1, wherein, in the rotation direction of the turret 1, the first guide rail 40 and the second guide rail 60 zigzag toward each other in a direction close to each other, and / or, the first guide rail 40 and the second guide rail 60 zigzag toward each other in a direction far apart from each other.

[0133] In other words, by arranging the first guide rail 40 and the second guide rail 60, the first push rod 21 and the second push rod 51 can move synchronously toward each other or synchronously toward each other. As a result, the cylindrical battery production device 100 can perform the pressing operation on the casing well, and the pressing efficiency is high.

[0134] For example, in the rotation direction of the turret 1, the first guide rail 40 and the second guide rail 60 bend toward each other.

[0135] For example, in the rotation direction of the turret 1, the first guide rail 40 and the second guide rail 60 bend in a direction away from each other.

[0136] For example, as shown in Figure 4, in the rotation direction of the turret 1, the first guide rail 40 consists of a first straight section 401, a first bent section 402, a second straight section 403, and a second bent section 404 in sequence; the second guide rail 60 consists of a third straight section 601, a third bent section 602, a fourth straight section 603, and a fourth bent section 604 in sequence. Axially, the first straight section 401 is opposite to the third straight section 601, the first bent section 402 is opposite to the third bent section 602, the second straight section 403 is opposite to the fourth straight section 603, and the second bent section 404 is opposite to the fourth bent section 604. The first straight section 401 and the third straight section 601 are parallel. One end of the first bent section 402 is connected to the first straight section 401, and the other end is inclined toward the second guide rail 60. One end of the third bent section 602 is connected to the third straight section 601, and the other end is inclined toward the first guide rail 40. The second straight section 403 and the fourth straight section 603 are parallel. One end of the second bent section 404 is connected to the second straight section 403, and the other end is inclined toward the direction away from the second guide rail 60. One end of the fourth bent section 604 is connected to the fourth straight section 603, and the other end is inclined toward the direction away from the first guide rail 40.

[0137] When the first pressing member 2 can move within the range of the first straight section 401 near the first bending section 402, it can be in the shell cover feeding position. At the same time, the fixing member 3 corresponding to the first pressing member 2 can also be in the shell feeding position. The shell cover can be fed towards the first pressing member 2 through the exchange turret storing the shell cover. The first push rod 21 can be fixed to the end of the first push rod 21 by magnetic attraction. The shell can be fed towards the fixing member 3 through the exchange turret storing the shell. The fixing member 3 can have an arc-shaped groove surface that fits against the side wall of the shell. The fixing member 3 can be fixed in the receiving groove of the fixing member 3 by magnetic attraction. At this time, as the turret 1 rotates, the first pressing member 2 enters the first bending section 402, and the second pressing member 5 enters the third bending section 602. The first pressing member 2 and the second pressing member 5 both move towards each other. Then, the first pressing member 2... One pressing component 2 enters the second straight section 403, and the second pressing component 5 enters the fourth straight section 603. At this time, the housing and the cover are pressed together. That is, when the first pressing component 2 is in the second straight section 403 and the second pressing component 5 is in the fourth straight section 603, the battery housing is in the pressing position. After the battery is pressed, the first pressing component 2 enters the third inclined section from the second straight section 403, and the second pressing component 5 enters the fourth inclined section from the fourth straight section 603. At this time, the first pressing component 2 and the second pressing component 5 move in opposite directions. Then the turret 1 continues to rotate, so that the first pressing component 2 re-enters the first straight section 401 and the second pressing component 5 re-enters the third straight section 601. At this time, the distance between the first pressing component 2 and the second pressing component 5 is far enough to remove the battery housing that has been pressed on the fixing component 3. The above process is continuously repeated, thereby continuously pressing the battery housing.

[0138] In the above example, by arranging the first guide rail 40 and the second guide rail 60, the first push rod 21 and the second push rod 51 can move synchronously toward each other or synchronously toward each other. As a result, the cylindrical battery production device 100 can perform battery casing pressing operations well, with high pressing efficiency.

[0139] In some embodiments of this disclosure, the second guide rail 60 is a groove-shaped structure that radially penetrates the second guide member 6.

[0140] In other words, when the second guide block is engaged with the second guide rail 60, the second guide block can be directly seen from the outside. Therefore, the assembly difficulty can be reduced when assembling the second guide block or the second guide rail 60. Furthermore, if the second guide block is damaged while moving along the second guide rail 60, it can be easily inspected and replaced.

[0141] In addition, the machining difficulty can be reduced when machining the second guide rail 60.

[0142] In the above example, by setting the second guide rail 60, the assembly difficulty can be reduced, and the maintenance and replacement difficulty of the second guide block can also be reduced.

[0143] In some embodiments of this disclosure, the second guide 6 includes a third annular plate 61 and a fourth annular plate 62, which are axially spaced apart to form a second guide rail 60 between the third annular plate 61 and the fourth annular plate 62.

[0144] For example, the cylindrical battery production apparatus 100 may include a main support, on which a turret 1, a third annular plate 61, and a fourth annular plate 62 may be respectively mounted. The turret 1 is rotatable, and the third annular plate 61 and the fourth annular plate 62 are both mounted on the outer periphery of the turret 1 and spaced apart axially. A second guide rail 60 is formed between the third annular plate 61 and the fourth annular plate 62. That is, the third annular plate 61 has a third guide rail 64 surface, and the fourth annular plate 62 has a fourth guide rail surface. The third guide rail 64 surface and the fourth guide rail surface are axially opposite to each other, thereby forming a second guide rail 60 between the third annular plate 61 and the fourth annular plate 62.

[0145] For example, the second guide rail 60 is constructed by assembling the third annular plate 61 and the fourth annular plate 62. The third annular plate 61 and the fourth annular plate 62 can be manufactured separately, or a single annular plate can be manufactured and then cut into the third annular plate 61 and the fourth annular plate 62. During assembly, the third annular plate 61 and the fourth annular plate 62 are spaced apart axially. If either the third annular plate 61 or the fourth annular plate 62 is damaged, it can be repaired or replaced individually, which is simple and convenient. Furthermore, the width of the second guide rail 60 is adjustable in the axial direction, so the width of the second guide rail 60 can be set according to actual needs. For example, the second guide rail 60 can be matched with second guide blocks of different sizes. Or, the width of the second guide rail 60 can be larger, and the second guide blocks can move axially within the second guide rail 60. This disclosure does not limit this, thus making the setting of the second guide rail 60 more flexible.

[0146] In the above example, the second guide rail 60 is constructed by assembling the third annular plate 61 and the fourth annular plate 62, which can reduce the difficulty of assembly and maintenance. In addition, the width of the second guide rail 60 in the axial direction can be flexibly set, improving the practicality of the second guide 6.

[0147] In some embodiments of this disclosure, the second guide block includes a second guide wheel 52, which is rotatably mounted on the second push rod 51.

[0148] In other words, the second guide wheel 52 is rotatably fitted inside the second guide rail 60 and rolls along the guide surface of the second guide rail 60, thereby reducing the friction between the second guide block and the second guide rail 60, thus reducing damage to the second guide rail 60 and the second guide block, extending the service life of the second guide rail 60 and the second guide block, and also allowing the second push rod 51 to move more smoothly in the axial direction.

[0149] For example, the end of the second push rod 51 is equipped with a second rotating shaft arranged in the radial direction, and the second guide wheel 52 is rotatably mounted on the second rotating shaft. The second rotating shaft can be detachably mounted on the end of the second push rod 51, which can facilitate the maintenance or replacement of the second guide wheel 52.

[0150] In the above example, the second guide wheel 52 is rotatably fitted within the second guide rail 60, which can reduce the friction between the second guide block and the second guide rail 60, thereby reducing damage to the second guide rail 60 and the second guide block, extending the service life of the second guide rail 60 and the second guide block, and also allowing the second push rod 51 to move more smoothly in the axial direction.

[0151] In some embodiments of this disclosure, the turret 1 includes a main shaft 11 and a second turntable 13 sleeved on the main shaft 11. The second pressing member 5 further includes a second mounting base 53, which is mounted on the outer periphery of the second turntable 13, and a second push rod 51 is axially movably mounted on the second mounting base 53.

[0152] In other words, multiple installation positions can be set on the outer periphery of the second turntable 13, and a second pressing component 5 can be installed at each installation position. This can reduce the installation difficulty of the second pressing component 5. Furthermore, by installing multiple second pressing components 5 on the outer periphery of the second turntable 13, the cylindrical battery production device 100 has a more distinct structural layer in the axial direction, which is conducive to optimizing the overall structural layout of the cylindrical battery production device 100.

[0153] For example, a through hole 541 can be provided on the second turntable 13, and the second pressing member 5 passes through the through hole 541.

[0154] In the above example, by installing multiple second pressing members 5 on the outer periphery of the second turntable 13, the cylindrical battery production device 100 has a more distinct structural hierarchy in the axial direction, which is beneficial to optimizing the overall structural layout of the cylindrical battery production device 100.

[0155] In some embodiments of this disclosure, the second mounting base 53 has a second guide channel extending axially, through which the second push rod 51 passes.

[0156] For example, a through hole 541 is provided on the second turntable 13, the second mounting base 53 passes through the through hole 541, and the second push rod 51 passes through the second guide channel, making the structure of the second pressing member 5 more compact. In addition, with this sequentially nested arrangement, when the second push rod 51 is pressed into the housing along the axial direction, the second mounting base 53 can guide the second push rod 51 better. When the second mounting base 53 is guiding, the second turntable 13 can also support the second mounting base 53, so that the second mounting base 53 can guide the second push rod 51 more stably.

[0157] In the above example, the second mounting base 53 can guide the second push rod 51 well, so that the second push rod 51 can press the housing well, and the pressing effect is good.

[0158] In some embodiments of this disclosure, as shown in FIG5, the second top rod 51 includes a rod body 511, a rod head 512, and a first elastic member 513. The rod body 511 has an assembly cavity at one end facing the fixing member 3. A second guide wheel 52 is provided on the rod body 511. One end of the rod head 512 is movably installed in the assembly cavity, and the other end extends out of the assembly cavity toward the opening of the fixing member 3. The first elastic member 513 is located in the assembly cavity, and its two ends are connected to the rod body 511 and the rod head 512 respectively.

[0159] In other words, when the second push rod 51 moves toward the housing, the rod head 512 contacts the housing and continues to move toward the housing. The rod head 512 can transmit the force to the first elastic element 513. The first elastic element 513 deforms and compresses, which can buffer the force between the rod head 512 and the housing, thereby better protecting the housing and the rod head 512. When the second push rod 51 moves away from the housing, the first elastic element 513 can restore its deformation, and the force between the rod head 512 and the housing gradually decreases, making the battery housing more stable after being pressed in.

[0160] In addition, the assembly cavity on the rod body 511 makes the structure of the second top rod 51 more compact. The first elastic element 513 is located in the assembly cavity, which protects the first elastic element 513 well and makes it less prone to damage. Furthermore, the receiving cavity can better limit the deformation direction of the first elastic element 513, so that the first elastic element 513 can stably buffer the force.

[0161] Referring further to the specific example shown in Figure 5, the rod head 512 comprises three sections along the axial direction: a first section, a second section, and a third section. The second section connects the first and third sections. The rod head 512 can be a cylindrical structure. The diameters of the first and third sections are both larger than the diameter of the second section. The first section is located within the receiving cavity. The end face of the rod body 511 has a through hole 541 communicating with the assembly cavity. The size of the through hole 541 matches the diameter of the second section. The second section is transmitted within the through hole 541, thus preventing the first section from being ejected from the assembly cavity by the first elastic element 513. The third section is located outside the assembly cavity. The rod head 512 contacts the housing through the third section. Exemplarily, in order for the third section to contact the housing, the diameter of the third section can be larger than the diameter of the first section.

[0162] For example, the first elastic element 513 may include a spring, or it may be a sheet, etc., which is not limited in this disclosure.

[0163] In the above example, the first elastic element 513 connects the rod body 511 and the rod head 512. During press-fitting, the first elastic element 513 can buffer the pressure in time to avoid rigid collisions that could damage the housing. This ensures the press-fitting accuracy, protects the equipment, extends its service life, reduces maintenance costs, and improves production efficiency.

[0164] Please refer to Figure 7, which is a schematic diagram of the structure of a cylindrical battery production apparatus 100 according to an embodiment of this disclosure.

[0165] In some embodiments of this disclosure, as shown in FIG5, the second pressing member 5 further includes: a rod sleeve 54 and a third guide wheel 551. The second pressing rod 51 is movably disposed in the rod sleeve 54. The rod sleeve 54 is provided with a through hole 541, which extends axially. The third guide wheel 551 passes through the through hole 541 and cooperates with the second guide rail 60. The third guide wheel 551 is rotatably disposed on the rod sleeve 54. The second guide member 6 also has a third guide rail 64 that extends in a zigzag manner around the rotation axis of the turret 1. The third guide rail 64 and the third guide wheel 551 are guided and cooperated. The second guide rail 60 and the third guide rail 64 are spaced apart axially. In the rotation direction of the turret 1, the second guide rail 60 and the third guide rail 64 zigzag in the same direction.

[0166] In other words, the second push rod 51 can also move axially within the sleeve 54. Specifically, when the second push rod 51 moves axially within the sleeve 54, the third guide wheel 551 can move along the through hole 541 within the through hole 541. Thus, the initial position of the second push rod 51 in the axial direction can be adjusted according to actual needs. For example, when the axial dimension of the housing is longer or shorter, the axial position of the second push rod 51 can be adjusted, thereby enabling the cylindrical battery production device 100 to better match the housing and providing good flexibility. Therefore, the cylindrical battery production device 100 of this disclosure can flexibly match housings of different sizes to be pressed in the axial direction.

[0167] For example, the second guide 6 may include a third annular plate 61, a fourth annular plate 62, and a fifth annular plate 63, which are axially spaced apart. A second guide rail 60 is defined between the third annular plate 61 and the fourth annular plate 62, and a third guide rail 64 is defined between the fourth annular plate 62 and the fifth annular plate 63. By making the second guide rail 60 guide and engage with the second guide wheel 52, and the third guide rail 64 guide and engage with the third guide wheel 551, the second guide wheel 52 and the third guide wheel 551 can also restrict each other during guidance, thereby making the movement of the second pressing member 5 more stable.

[0168] Furthermore, when the second pressing member 5 rotates with the turret 1, the second guide member 6 can synchronously guide the second guide wheel 52 and the third guide wheel 551 to move towards or away from the fixed member 3, thereby making the movement of the second pressing member 5 more stable.

[0169] In the above example, by setting the sleeve 54 and the through hole 541 extending axially on the sleeve 54, the position of the second push rod 51 in the axial direction can be adjusted, so that the cylindrical battery production device 100 of this disclosure can flexibly match the housing of different sizes in the axial direction, which is highly flexible. The second pressing member 5 is guided in the direction of movement by the second guide wheel 52 and the third guide wheel 551 at the same time, which makes the movement of the second pressing member 5 more stable.

[0170] In the above example, when the second pressing member 5 rotates with the turret 1, the third guide wheel 551 is rotatably engaged with the third guide rail 64, which can reduce the friction between the third guide wheel 551 and the third guide rail 64, so that the second pressing member 5 can move more smoothly under the guidance of the second guide member, with good flexibility and less prone to damage.

[0171] In some embodiments of this disclosure, as shown in Figures 4, 5 and 6, the third guide rail 64 has a first track surface close to the second guide rail 60 and a second track surface away from the second guide rail 60. The second pressing member 5 further includes: a traveling wheel 552, which is rotatably mounted on the end of the sleeve 54 for rolling on the second track surface, and a third guide wheel 551 disposed on the side of the sleeve 54 for rolling on the first track surface.

[0172] For example, the axial direction is vertical, the second pressing member 5 is located below the first pressing member 2, and the first guide rail 40 is located above the second guide rail 60. Thus, on the one hand, when the turret 1 rotates, the second pressing member 5 rotates with the turret 1, and the traveling wheel 552 can travel on the second guide rail 60. The second guide rail 60 can better support the second pressing member 5. Furthermore, when the first pressing member 2 moves downward to cooperate with the second pressing member 5 for pressing, the second pressing member 5 can better transmit pressure to the second guide member, resulting in high reliability. On the other hand, the third guide wheel 551 can cooperate with the first track surface in the axial direction, thereby cooperating with the traveling wheel 552 to limit the position of the second pressing member 5 in the axial direction, so that the stability of the second pressing member 5 is better when the traveling wheel 552 travels on the second guide rail 60.

[0173] In the above example, through the cooperation of the third guide wheel 551 and the traveling wheel 552, not only is the pressure borne by the second pressing member 5 transmitted towards the second guide member, but the stability of the second pressing member 5 is also better when the traveling wheel 552 travels on the second guide rail 60 surface.

[0174] Please refer to Figure 8, which is a cross-sectional view of a cylindrical battery production apparatus 100 according to an embodiment of this disclosure.

[0175] Please refer to Figure 9, which is an enlarged view of region A in Figure 8.

[0176] In some embodiments of this disclosure, as shown in Figures 1, 7 and 8, the cylindrical battery production apparatus 100 further includes a positioning element 7, which is mounted on the turret 1. There are multiple positioning elements 7, which are arranged one-to-one between multiple first pressing elements 2 and multiple second pressing elements 5. The positioning element 7 is provided with a positioning channel 70 extending along a first direction. The positioning channel 70 has a first opening facing the first pressing element 2 and a second opening facing the second pressing element 5. When the first pressing rod 21 and the second pressing rod 51 move toward each other, the shell cover fixed at the end of the first pressing element 2 and the shell fixed to the fixing element 3 enter the positioning channel 70 for pressing through the first opening and the second opening, respectively.

[0177] In other words, when the cover and the housing are pressed together, the first pressing member 2 can move the cover toward the positioning channel 70, and the second pressing member 5 can move the housing toward the positioning channel 70. This allows the cover and the housing to be positioned separately in the positioning channel 70 before being pressed together. This improves the accuracy of the cover and the housing during assembly. At the same time, since the cover and the housing are pressed together in the positioning channel 70, they are less likely to shift, thereby further improving the accuracy and reliability of the cover and the housing during assembly.

[0178] In addition, by setting multiple positioning elements 7 one-to-one between multiple first pressing elements 2 and multiple second pressing elements 5, each cover and the corresponding pressed shell can be positioned by an independent positioning element 7 during pressing. Thus, multiple covers and multiple shells do not affect each other when pressed one-to-one, which can improve pressing efficiency and pressing accuracy.

[0179] For example, when the cover and the housing are assembled, the cover may be partially or completely within the positioning channel 70. Similarly, the housing may be partially or completely within the positioning channel 70.

[0180] For example, the turret 1 includes a main shaft 11 and a third turntable 14, with a plurality of positioning elements 7 mounted on the outer periphery of the third turntable 14.

[0181] In the above example, the positioning element 7 is used to position the cover and the housing respectively, which can improve the accuracy and reliability of the cover and the housing during assembly.

[0182] In some embodiments of this disclosure, as shown in FIG9, the positioning member 7 includes: a first positioning member 71 and a second positioning member 72 connected along the axial direction. The first positioning member 71 has a first positioning channel 701, and the second positioning member 72 has a second positioning channel 702. The first positioning channel 701 and the second positioning channel 702 together define the positioning channel 70. The cover is positioned in the first positioning channel 701 by the first positioning member 71, and the housing is positioned in the second positioning channel 702 by the second positioning member 72.

[0183] In other words, the first positioning component 71 can position the casing through the first positioning channel 701, and the second positioning component 72 can be positioned through the second positioning channel 702. The first positioning component 71 and the second positioning component 72 do not interfere with each other during positioning, and if one of them is damaged, it can be repaired or replaced individually, which can reduce the cost of repair and replacement. Furthermore, the separate first positioning component 71 and second positioning component 72 can be manufactured separately, thereby reducing the processing difficulty of the first positioning component 71 and the second positioning component 72, and thus reducing the production cost of the cylindrical battery production device 100.

[0184] In addition, the first positioning component 71 can be manufactured and designed separately according to the shape of the cover, and the second positioning component 72 can also be manufactured and designed separately according to the shape of the shell. Furthermore, when the shape of the cover or the shell changes, the first positioning component 71 or the second positioning component 72 can be replaced separately according to the actual situation, which provides good flexibility.

[0185] In the above example, the separate first positioning component 71 and second positioning component 72 can be manufactured separately, thereby reducing the processing difficulty of the first positioning component 71 and the second positioning component 72, thereby reducing the production cost of the cylindrical battery production device 100. Furthermore, the first positioning component 71 and the second positioning component 72 do not interfere with each other during positioning, which can reduce maintenance costs and improve maintenance efficiency.

[0186] Please refer to Figure 10, which is a structural schematic diagram of the first angle of the positioning member 7 according to an embodiment of the present disclosure.

[0187] Please refer to Figure 11, which is a structural schematic diagram of the positioning member 7 at the second angle according to an embodiment of the present disclosure.

[0188] In some embodiments of this disclosure, as shown in Figures 8, 10 and 11, the first positioning member 71 includes a fixing ring 711 and a positioning claw 712. The positioning claw 712 is installed on the radial inner side of the fixing ring 711 and can move in the radial direction. Multiple positioning claws 712 are provided, and the multiple positioning claws 712 surround the first positioning channel 701. The end of the first push rod 21 is provided with a pusher 24, which is used to drive the positioning claws 712 to move in the radial direction.

[0189] In other words, as the first push rod 21 moves toward the first positioning member 71, the cover can enter the first channel defined by the positioning claw 712. At this time, as the first push rod 21 continues to move, the pusher 24 can gradually push the positioning claw 712 to move in the radial direction, so that the positioning claw 712 contacts and presses against the cover, thereby positioning the cover. The operation is simple and the positioning effect is good. Furthermore, the pusher 24 does not require a separate drive structure; it only needs to move with the first push rod 21 to gradually drive the positioning claw 712. Under this gradual pushing state, the positioning claw 712 is less likely to damage the cover, resulting in good reliability.

[0190] For example, when the positioning claw 712 contacts the cover, the surface of the positioning claw 712 can fit against the surface of the cover. For example, if the surface of the cover is an arc-shaped surface, the surface of the positioning claw 712 can also be an arc-shaped surface.

[0191] For example, multiple positioning claws 712 are provided. When multiple positioning claws 712 move in the radial direction and are in contact with each other, multiple positioning claws 712 can form a positioning ring. The positioning ring is a ring structure. Multiple positioning claws 712 can be constructed by cutting the positioning ring during the preparation process. That is, the opposing surfaces of two adjacent positioning claws 712 can fit together.

[0192] In the above example, the movable positioning claw 712 can effectively position the cover, which is simple to operate, has a good positioning effect, is not easy to damage the cover, and has good reliability.

[0193] In some embodiments of this disclosure, as shown in FIG8, a first guide ramp 7121 is provided on the radially outer side of the positioning claw 712, and the pusher 24 is adapted to extend between the positioning claw 712 and the fixing ring 711 to drive the positioning claw 712 to move in the radial direction through the first guide ramp 7121; and / or, a second guide ramp 241 is provided on the side of the pusher 24 facing the positioning claw 712, and the pusher 24 is adapted to extend between the positioning claw 712 and the fixing ring 711 to drive the positioning claw 712 to move in the radial direction through the second guide ramp 241.

[0194] In other words, when the pusher 24 pushes the positioning claw 712 to move, the first guide slope 7121 or the second guide slope 241 can effectively apply a pushing force to the positioning claw 712, resulting in good stability. Furthermore, by extending the pusher 24 between the positioning claw 712 and the fixing ring 711, the pusher 24 can be effectively limited and guided, allowing it to move stably along the axial direction, thereby stably pushing the positioning claw 712 to move, resulting in good stability.

[0195] For example, only the radially outer side of the positioning claw 712 is provided with a first guide ramp 7121.

[0196] For example, only the side of the pusher 24 facing the positioning claw 712 is provided with a second guide ramp 241.

[0197] For example, a first guide slope 7121 is provided on the radially outer side of the positioning claw 712, and a second guide slope 241 is provided on the side of the pusher 24 facing the positioning claw 712. The first guide slope 7121 can cooperate with the second guide slope 241.

[0198] In the above example, when the pusher 24 pushes the positioning claw 712 to move, the first guide ramp 7121 or the second guide ramp 241 can effectively apply a pushing force to the positioning claw 712, resulting in good stability. Furthermore, by extending the pusher 24 between the positioning claw 712 and the retaining ring 711, the pusher 24 can be effectively limited and guided, allowing it to move stably along the axial direction, thereby stably pushing the positioning claw 712 to move, also resulting in good stability.

[0199] In some embodiments of this disclosure, as shown in Figures 9 and 10, the radially outer side of the positioning claw 712 has a guide post 7122 extending in the radial direction, and the fixing ring 711 has a guide groove 7111 that guides and engages with the guide post 7122.

[0200] In other words, when the positioning claw 712 moves in the radial direction, the guide post 7122 and the guide groove 7111 work together to better restrict the movement direction of the positioning claw 712, so that the positioning claw 712 can stably limit the shell cover.

[0201] For example, the cross-sections of the guide post 7122 and the guide groove 7111 can both be circular or both be polygonal, such as triangles, quadrilaterals, pentagons, etc., and this disclosure does not impose any restrictions.

[0202] In the above example, when the positioning claw 712 moves in the radial direction, the guide post 7122 and the guide groove 7111 cooperate to better restrict the movement direction of the positioning claw 712, so that the positioning claw 712 can stably limit the shell cover.

[0203] In some embodiments of this disclosure, as shown in Figures 9-10, the first positioning member 71 further includes a second elastic member 7123, which is connected between two adjacent positioning claws 712 in the circumferential direction.

[0204] For example, the second elastic element 7123 may be a spring, a sheet, or other elastic structure, and this disclosure does not limit it.

[0205] In the above example, when the pusher 24 moves toward the first positioning member 71, the two adjacent positioning claws 712 move closer to each other, thereby squeezing the second elastic member 7123 and causing the second elastic member 7123 to deform. When the pusher 24 moves away from the first positioning member 71, the second elastic member 7123 can recover its deformation, causing the two adjacent positioning claws 712 to move away from each other, so that the next cover can enter the first positioning channel 701 constructed by the multiple positioning claws 712 better.

[0206] In some embodiments of this disclosure, as shown in Figures 9-10, three positioning claws 712 are provided.

[0207] In the above example, the three positioning claws 712 can effectively adjust and limit the position of the cover. Furthermore, by reducing the number of positioning claws 712, the positioning claws 712 can better adjust the force on the cover in the circumferential direction, thereby improving the stability of the cover.

[0208] In some embodiments of this disclosure, the end of the first push rod 21 facing the fixing member 3 is provided with a first magnetic suction member, and the first push rod 21 magnetically suctions the shell cover through the first magnetic suction member.

[0209] In other words, when the first push rod 21 moves toward the fixing member 3, it can press the cover and the housing together. After the pressing is completed, the first push rod 21 moves away from the fixing member 3. At this time, the first push rod 21 can separate from the cover. The cover is fixed to the fixing member 3 along with the housing. Then, as the turret 1 rotates, the fixing member 3 moves to the unloading position, and the pressed cover and the housing are taken out.

[0210] For example, the end of the first push rod 21 may be composed of a first magnetic attraction element, or the first magnetic attraction element may be installed at the end of the first push rod 21. Through the first magnetic attraction element, the shell cover can be picked up better, and the shell cover can be separated from the first push rod 21 better after pressing, thereby improving the pressing efficiency of the cylindrical battery production device 100.

[0211] In the above example, the first magnetic chuck can effectively pick up the cover, and the cover can be effectively separated from the first push rod 21 after pressing, thereby improving the pressing efficiency of the cylindrical battery production device 100.

[0212] In some embodiments of this disclosure, the fixing member 3 is provided with a second magnetic attractor, and the fixing member 3 magnetically attracts the housing through the second magnetic attractor.

[0213] In the above example, the housing can be magnetically fixed to the fixing member 3. After the housing is press-fitted, it can be easily removed from the fixing member 3. The operation is simple and flexible.

[0214] For example, the end of the first push rod 21 is provided with a first magnetic attractor, and the fixing member 3 is provided with a second magnetic attractor. The magnetic attraction force of the second magnetic attractor is greater than that of the first magnetic attractor, so that the cover and the housing can remain on the fixing member 3 after being pressed together.

[0215] In some embodiments of this disclosure, the cylindrical battery production apparatus 100 further includes a pressure sensor for acquiring the pressure during the pressing of the housing and the cover.

[0216] In other words, when the cylindrical battery production device 100 presses the casing and cover with the first pressing member 2, it can use the pressure value obtained by the pressure sensor to determine whether the battery casing is properly pressed. If the pressure value is not within the preset pressure range, there may be a problem with poor pressing, and repairs can be carried out in a better manner.

[0217] For example, the cylindrical battery production apparatus 100 includes a first pressing member 2 and a second pressing member 5. The pressure sensor can be installed on the first pressing member 2, or on the second pressing member 5, or both the first pressing member 2 and the second pressing member 5 can be equipped with a pressure sensor.

[0218] In the example above, the pressure value obtained by the pressure sensor is set to determine whether the battery case is properly press-fitted. If the pressure value is not within the preset pressure range, there may be a problem with poor press-fitting, which can be easily repaired.

[0219] For example, the battery case can be a cylindrical battery case, which is cylindrical in shape and has an opening. The cover can be installed at the opening of the case by an interference fit.

[0220] Other configurations and operations of the cylindrical battery production apparatus 100 according to embodiments of this disclosure are known to those skilled in the art and will not be described in detail here.

[0221] In the description of this specification, references to terms such as "some embodiments," "optionally," "furthermore," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0222] Although embodiments of this disclosure have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this disclosure, the scope of which is defined by the claims and their equivalents.

Claims

1. A cylindrical battery production apparatus (100), wherein, The cylindrical battery includes a battery casing, which includes a housing and a cover. The cylindrical battery production apparatus (100) includes: Rotary tower (1); The first top pressure member (2) is installed on the turret (1). The first top pressure member (2) includes a first top rod (21) that moves along the axial direction. Multiple first top pressure members (2) are provided. Multiple first top pressure members (2) are arranged around the rotation axis of the turret (1). The end of the first top rod (21) is fixed to the shell cover. Fixing member (3), the fixing member (3) is used to fix the housing, the fixing member (3) is installed on the turret (1) and is axially spaced from the first top pressure member (2), and multiple fixing members (3) are provided, and multiple fixing members (3) correspond one-to-one with multiple first top pressure members (2); The first guide (4) is disposed on the outer periphery of the turret (1) and is radially spaced from the turret (1). When the turret (1) rotates, the first guide (4) guides the first push rod (21) to move toward the fixing member (3) or away from the fixing member (3). The first push rod (21) moves toward the fixing member (3) to press the cover onto the housing.

2. The cylindrical battery production apparatus (100) according to claim 1, wherein, The first guide member (4) has a first guide rail (40) extending in a zigzag direction around the rotation axis of the turret (1). The zigzag direction of the first guide rail (40) is axial. A first guide wheel (22) is provided on the first push rod (21). The first guide wheel (22) is rotatably provided on the first push rod (21). The first guide wheel (22) cooperates with the first guide rail (40) so that when the turret (1) rotates, the first guide member (4) can guide the first push rod (21) to move toward the fixing member (3) or away from the fixing member (3).

3. The cylindrical battery production apparatus (100) according to claim 1 or 2, wherein, The turret (1) includes: a main shaft (11) and a first turntable (12) sleeved on the main shaft (11), and the first top pressure member (2) further includes: The first mounting base (23) is mounted on the outer periphery of the first turntable (12), and the first push rod (21) is axially movably mounted on the first mounting base (23).

4. The cylindrical battery production apparatus (100) according to claim 3, wherein, The first mounting base (23) has a first guide channel extending axially, through which the first push rod (21) passes.

5. The cylindrical battery production apparatus (100) according to any one of claims 1-4, wherein, The cylindrical battery production apparatus (100) further includes: a second pressing member (5), which is installed on the turret (1). On the axial direction of the turret (1), the second pressing member (5) is located at one end of the fixing member (3) away from the first pressing member (2). Multiple second pressing members (5) are provided, and multiple second pressing members (5) correspond one-to-one with multiple first pressing members (2). The fixing member (3) has a receiving groove, which penetrates the fixing member (3) axially so that the housing and the cover are pressed together by the first pressing member (2) and the second pressing member (5).

6. The cylindrical battery production apparatus (100) according to claim 5, wherein, The receiving groove is formed by the outer surface of the fixing member (3) that is recessed away from the rotation axis of the turret (1) and toward the rotation axis.

7. The cylindrical battery production apparatus (100) according to claim 5 or 6, wherein, The second pressing member (5) includes a second push rod (51) that is movably mounted along the axial direction. The cylindrical battery production device (100) further includes a second guide member (6), which is disposed on the outer periphery of the turret (1) and is radially spaced from the turret (1). When the turret (1) rotates, the second guide member (6) is used to guide the second push rod (51) to move toward the fixing member (3) or away from the fixing member (3).

8. The cylindrical battery production apparatus (100) according to claim 7, wherein, The second guide member (6) has a second guide rail (60) that extends in a zigzag direction around the rotation axis of the turret (1). The zigzag direction of the second guide rail (60) is axial. The second top pressing member (5) is provided with a second guide wheel (52). The second guide wheel (52) is rotatably disposed on the second top rod (51). The second guide wheel (52) cooperates with the second guide rail (60) so that when the turret (1) rotates, the second guide member (6) can guide the second top rod (51) to move toward the fixing member (3) or away from the fixing member (3).

9. The cylindrical battery production apparatus (100) according to claim 8, wherein, The first guide (4) has a first guide rail (40) for guiding the movement of the first push rod (21), the first guide rail (40) extending in a zigzag manner around the rotation axis of the turret (1), wherein, in the rotation direction of the turret (1), the first guide rail (40) and the second guide rail (60) zigzag toward each other, and / or, the first guide rail (40) and the second guide rail (60) zigzag toward each other.

10. The cylindrical battery production apparatus (100) according to claim 9, wherein, The turret (1) includes: a main shaft (11) and a second turntable (13) sleeved on the main shaft (11), and the second top pressure member (5) further includes: The second mounting base (53) is mounted on the outer periphery of the second turntable (13), and the second push rod (51) is axially movably mounted on the second mounting base (53).

11. The cylindrical battery production apparatus (100) according to claim 10, wherein, The second mounting base (53) has a second guide channel extending axially, through which the second push rod (51) passes.

12. The cylindrical battery production apparatus (100) according to any one of claims 9-11, wherein, The second push rod (51) includes: The rod body (511) has an assembly cavity at one end facing the fixing member (3), and the rod body (511) is provided with the second guide wheel (52); A rod head (512), one end of which is movably mounted in the assembly cavity, and the other end of which extends from the assembly cavity toward the opening of the fixing member (3); The first elastic element (513) is located in the assembly cavity and its two ends are connected to the rod body (511) and the rod head (512) respectively.

13. The cylindrical battery production apparatus (100) according to claim 12, wherein, The second pressing member (5) also includes: A sleeve (54) is provided, and the second top rod (51) is movably disposed in the sleeve (54). The sleeve (54) is provided with a through hole (541) which extends axially. The second guide wheel (52) passes through the through hole (541) and cooperates with the second guide rail (60). The third guide wheel (551) is rotatably mounted on the sleeve (54). The second guide (6) also has a third guide rail (64) that extends in a zigzag manner around the rotation axis of the turret (1). The third guide rail (64) and the third guide wheel are guided and engaged. The second guide rail (60) and the third guide rail (64) are axially spaced apart. In the rotation direction of the turret (1), the second guide rail (60) and the third guide rail (64) zigzag in the same direction.

14. The cylindrical battery production apparatus (100) according to claim 13, wherein, The third guide rail (64) has a first track surface close to the second guide rail (60) and a second track surface away from the second guide rail (60). The second pressing member (5) further includes: a traveling wheel (552), which is rotatably mounted on the end of the sleeve (54) for rolling on the second track surface. The third guide wheel (551) is disposed on the side of the sleeve (54) for rolling on the first track surface.

15. The cylindrical battery production apparatus (100) according to any one of claims 7-14, wherein, Also includes: Positioning element (7), the positioning element (7) is installed on the turret (1), there are multiple positioning elements (7), the multiple positioning elements (7) are arranged one-to-one between multiple first pressing elements (2) and multiple second pressing elements (5), the positioning element (7) is provided with a positioning channel (70) extending along a first direction, the positioning channel (70) has a first opening facing the first pressing element (2) and a second opening facing the second pressing element (5), when the first push rod (21) and the second push rod (51) move toward each other, the shell cover fixed at the end of the first pressing element (2) and the housing fixed to the fixing element (3) respectively enter the positioning channel (70) for pressing through the first opening and the second opening.

16. The cylindrical battery production apparatus (100) according to claim 15, wherein, The positioning element (7) includes a first positioning element (71) and a second positioning element (72) connected along the axial direction. The first positioning element (71) has a first positioning channel (701), and the second positioning element (72) has a second positioning channel (702). The first positioning channel (701) and the second positioning channel (702) together define the positioning channel (70). The cover is positioned in the first positioning channel (701) by the first positioning element (71), and the housing is positioned in the second positioning channel (702) by the second positioning element (72).

17. The cylindrical battery production apparatus (100) according to claim 16, wherein, The first positioning element (71) includes: A fixed ring (711) and a positioning claw (712) are provided. The positioning claw (712) is installed on the radial inner side of the fixed ring (711) and can move in the radial direction. Multiple positioning claws (712) are provided, and the multiple positioning claws (712) surround the first positioning channel (701). The end of the first push rod (21) is provided with a pusher (24), which is used to drive the positioning claw (712) to move in the radial direction.

18. The cylindrical battery production apparatus (100) according to claim 17, wherein, The positioning claw (712) has a first guide ramp (7121) on its radially outer side. The pusher (24) is adapted to extend between the positioning claw (712) and the fixing ring (711) to drive the positioning claw (712) to move radially through the first guide ramp (7121); and / or, The pusher (24) has a second guide slope (241) on the side facing the positioning claw (712). The pusher (24) is adapted to extend between the positioning claw (712) and the fixing ring (711) to drive the positioning claw (712) to move in the radial direction through the second guide slope (241).

19. The cylindrical battery production apparatus (100) according to claim 17 or 18, wherein, The positioning claw (712) has a guide post (7122) extending radially on its radial outer side, and the fixing ring (711) has a guide groove (7111) that guides and engages with the guide post (7122).

20. The cylindrical battery production apparatus (100) according to any one of claims 17-19, wherein, The first positioning member (71) further includes a second elastic member (7123), which is connected between two adjacent positioning claws (712) in the circumferential direction.

21. The cylindrical battery production apparatus (100) according to any one of claims 17-20, wherein, The positioning claw (712) is provided in three parts.

22. The cylindrical battery production apparatus (100) according to any one of claims 1-21, wherein, The first push rod (21) is provided with a first magnetic attractor at the end facing the fixing member (3), and the first push rod (21) magnetically attracts the shell cover through the first magnetic attractor.

23. The cylindrical battery production apparatus (100) according to any one of claims 1-22, wherein, The fixing member (3) is provided with a second magnetic attractor, and the fixing member (3) magnetically attracts the housing through the second magnetic attractor.

24. The cylindrical battery production apparatus (100) according to any one of claims 1-23, wherein, Also includes: A pressure sensor is used to acquire the pressure when the housing and the cover are pressed together.

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