Battery sealing module and battery sealing mechanism

Abstract

The utility model discloses a battery sealing module and a battery sealing mechanism, the battery sealing module is used for compressing and sealing the neck part of a channeled battery, the battery sealing module comprises a clamping piece, the clamping piece is internally provided with an accommodating hole for accommodating the battery, one end of the accommodating hole is provided with a convex edge extending towards the axis of the accommodating hole, and the convex edge is used for being clamped with a channeled groove of the battery; the pressing head is provided with a pressing groove, the containing hole is used for containing the battery and allowing the neck opening part to extend out of the containing hole end with the convex edge, and the pressing head is used for being connected with the pressing groove in an abutting mode. According to the utility model, the pressure head is directly propped against the neck part of the battery and is compressed under the condition of no interference of the pocket edge, so that the compression strength and direction can be effectively controlled, and irregular deformation of the steel shell in the sealing process is reduced. The clamping design of the convex edge and the rolling groove can ensure the positioning accuracy of the battery in the sealing process, and the sealing reliability and efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to battery sealing, and in particular to a battery sealing module and a battery sealing mechanism. Background Art

[0002] In the field of battery manufacturing, the battery sealing process is an important link to ensure battery performance and safety. The traditional battery sealing method mainly relies on the petal-shaped clamp and the pressure head to complete. Figure 1-2 As shown, in this sealing method, the battery 6 generally has a grooved notch 61, and the battery cover is connected to the grooved notch by an extruded rubber ring to form a battery neck 62. The design of this structure is to drive the pressure head to compress the battery neck through the cam drive mechanism, and use the extruded rubber ring to achieve the sealing of the battery.

[0003] See also Figure 1-2 As shown, the flap-type clamping member 1 can enclose and form a receiving hole 11 for accommodating the battery after clamping. The receiving hole 11 includes a pocket edge 13, a convex edge 12 and a vertical edge 14 from one end to the other, and these designs are intended to ensure the stability and accuracy of the battery 6 during the sealing process. However, in actual applications, in order to ensure that the battery shell opening can smoothly enter the pressure head, a pressing groove 21 with an R angle is usually provided at the front of the pressure head. Although this design helps to reduce friction and resistance during the sealing process, it also brings some problems.

[0004] Specifically, there is a gap between the pressure head 2 and the petal-type clamping piece 1 after the mold is clamped, that is, there is a certain space between the pocket edge 13 above the convex edge 12 and the pressing groove 21 of the pressure head 2. During the sealing process, when the steel shell of the battery 6 is subjected to the extrusion force, due to the existence of this gap, the steel shell is easily deformed at the gap to form a bulge. This not only affects the sealing quality of the battery, but may also lead to a poor sealing appearance, and even affect the overall performance and safety of the battery. Utility Model Content

[0005] In order to overcome at least one defect of the above-mentioned prior art, the utility model provides a battery sealing module and a battery sealing mechanism. The design of the pocket edge in the receiving hole is removed, which can solve the problem of poor bulging edge at the neck, improve the manufacturability of cylindrical battery sealing, and solve the problem of poor appearance of battery sealing.

[0006] The technical solution adopted by the utility model to solve the problem is:

[0007] A battery sealing module is used for compressing and sealing the neck of a battery after groove rolling, comprising: a clamping member, wherein a receiving hole for receiving the battery is provided inside the clamping member, and one end of the receiving hole is provided with a convex edge extending toward the axis of the receiving hole, which is used to engage with the rolling groove of the battery; a pressing head, wherein the pressing head has a pressing groove, the receiving hole is used to receive the battery and allow the neck to extend from the receiving hole end with the convex edge, and the pressing head is used to abut against the pressing groove.

[0008] By adopting the above solution, since the pressure head directly abuts against the neck of the battery and compresses without interference from the edge of the pocket, the compression force and direction can be more effectively controlled, reducing the irregular deformation of the steel shell during the sealing process. In this way, not only the quality of the seal can be improved, but also the appearance of the seal can be significantly improved, and the production of defective products can be reduced; the clamping design of the convex edge and the rolling groove can ensure the positioning accuracy of the battery during the sealing process, and improve the reliability and efficiency of the seal. This design not only simplifies the structure of the sealing module, but also reduces the manufacturing cost and maintenance difficulty. That is, it solves the problem of steel shell bulging caused by the gap during the battery sealing process, improves the quality and appearance of the seal, and at the same time improves the manufacturability and efficiency of the manufacturing process.

[0009] Furthermore, one side of the convex edge is aligned with one end surface of the clamping member, so that one side of the convex edge is fitted and abutted against the rolling groove of the battery.

[0010] By adopting the above solution, it is ensured that the pressure head can be fully pressed down during sealing, and the convex edge is only used to fix the battery, thereby improving the positioning accuracy of the seal. The fit between the convex edge and the rolling groove reduces the bulging problem of the battery steel shell caused by the gap, further improving the quality and appearance of the seal.

[0011] Furthermore, the clamping member is a three-petal locking shoe.

[0012] By adopting the above scheme, the structure of the three-petal lock tile allows the clamp to be flexibly adjusted according to the size and shape of the battery. Each petal of the lock tile can move independently, thereby ensuring that the clamp can tightly surround and fix the battery, so that it remains stable during the sealing process; when the pressure head compresses the neck of the battery, the lock tile can evenly distribute the extrusion force to avoid excessive local pressure causing deformation or damage to the battery steel shell; the three-petal lock tile can usually be opened and closed by a simple mechanical or pneumatic device, which makes it relatively easy to put in and take out the battery, improving the operating efficiency of the production line; if one of the lock tiles is damaged or worn, only the lock tile needs to be replaced, without replacing the entire clamp, reducing maintenance costs.

[0013] A battery sealing mechanism comprises a base, a pre-pressing mechanism, a closing mechanism, a conveying mechanism, a squat sealing module and two groups of battery sealing modules, wherein the two groups of battery sealing modules are respectively a first battery sealing module and a second battery sealing module, wherein the first battery sealing module comprises a first clamping member and a first pressing head; the second battery sealing module comprises a second clamping member and a second pressing head, and the squat sealing module comprises a third clamping member and a third pressing head, wherein the pre-pressing mechanism is used to provide a pressing force for the first pressing head and / or the second pressing head and / or the third pressing head, wherein the closing mechanism is used to provide a closing clamping force for the batteries clamped in the first clamping member and / or the second clamping member and / or the third clamping member, respectively, and wherein the conveying mechanism is used to convey the battery to the first clamping member, the second clamping member or the third clamping member.

[0014] By adopting the above scheme, the mechanism is allowed to seal multiple batteries at the same time, greatly improving production efficiency. In addition, the coordinated use of the clamp and the pressure head ensures stability and precision during the sealing process. The pre-pressing mechanism ensures that the battery is fully compressed during the sealing process. The closing mechanism is responsible for controlling the opening and closing of the clamp so that the battery can be firmly clamped during the sealing process. The conveying mechanism ensures that the battery can be accurately conveyed to each clamp to prepare for the sealing operation. This automated conveying method not only improves production efficiency, but also reduces errors caused by human factors; the design of the battery sealing mechanism also takes into account the convenience of operation and maintenance. For example, the various components are tightly matched and easy to adjust, allowing operators to quickly adjust the mechanism to adapt to different types of batteries. At the same time, the various components are also easy to disassemble and replace, reducing maintenance costs.

[0015] Further, the first pressing head includes a first pressing groove, the second pressing head includes a second pressing groove, and the depth of the first pressing groove is greater than the depth of the second pressing groove.

[0016] By adopting the above scheme, the desired sealing effect can be gradually achieved. The deeper design of the first pressing groove is used for initial, strong compression to ensure that the battery shell opening can smoothly enter the pressure head and fit tightly with the pressing groove. The shallower design of the second pressing groove is used for subsequent, more precise compression to control the shape and size of the seal and avoid battery damage caused by excessive compression. The pressure distribution and changes during the sealing process can be more accurately controlled, thereby improving the quality and consistency of the seal, and helping to reduce problems such as battery performance degradation or poor appearance caused by uneven compression or excessive compression.

[0017] Furthermore, the ratio of the depth of the first pressing groove to the depth of the second pressing groove is 5:4.

[0018] By adopting the above scheme, through precise control of the compression process, this design can reduce the deformation and damage of the battery during the sealing process, thereby improving the quality of the seal. At the same time, since the compression force is better controlled, the appearance and performance of the battery can also be better guaranteed. The use of a fixed ratio for design helps to achieve standardization and consistency of the sealing process. This can not only reduce errors and uncertainties in the production process, but also improve the stability and reliability of product quality.

[0019] Furthermore, the depth of the second pressing groove is less than or equal to the height of the neck of the battery.

[0020] By adopting the above solution, the pressure head can completely fit the neck of the battery during the compression process to ensure the integrity of the seal. This helps prevent leakage of internal battery substances and improves the safety and reliability of the battery; because the compression groove matches the height of the battery neck, the pressure head can quickly and accurately locate the battery sealing position during the compression process, reducing adjustment time and operation difficulty, and improving sealing efficiency; it is conducive to achieving compression of the battery neck within a set range.

[0021] Further, the first clamping member includes a first accommodating hole and a first convex edge, the second clamping member includes a second accommodating hole and a second convex edge, the axial direction of the first accommodating hole is set as the first direction, the axial direction of the second accommodating hole is parallel to the first direction, the length of the first accommodating hole in the first direction is smaller than the length of the battery in the first direction, and the length of the second accommodating hole in the first direction is smaller than the length of the battery in the first direction.

[0022] By adopting the above scheme, when the battery is partially inserted into the receiving hole, the convex edge can better engage with the rolling groove of the battery, ensuring the stability of the battery and the sealing quality during the sealing process, so that the receiving hole only has a fixing effect on the battery and will not assist the pressing effect of the pressing groove. Therefore, there is no bulge problem between the pressing groove and the pressing groove.

[0023] Furthermore, the third clamping member includes a third accommodating hole, the axial direction of the third accommodating hole is parallel to the first direction, the third pressure head is provided with a pressure block pressed into one end of the third accommodating hole, and the other end of the third accommodating hole is provided with a third convex edge for abutting against the end of the battery away from the neck portion.

[0024] By adopting the above solution, the third pressure head is provided with a pressure block pressed into one end of the third receiving hole. This design enables the third pressure head to apply pressure to the battery placed in the third receiving hole to achieve the sealing operation of the battery. The presence of the pressure block ensures that the pressure can act on the battery evenly and effectively, improving the quality and efficiency of the sealing; the third flange can support the bottom of the battery, and the cooperation between the third pressure head and the third flange enables the height of the battery to be compressed to a specified length, which is conducive to the unification of the battery size.

[0025] Further, a length of the third receiving hole in the first direction is greater than or equal to a length of the battery in the first direction.

[0026] By adopting the above solution, since the length of the third receiving hole is at least equal to the length of the battery, the battery can be completely or partially placed in the receiving hole. This design ensures that the battery is fully supported and fixed during the sealing process, reducing the risk of non-directional displacement or deformation of the battery when it is under pressure.

[0027] In summary, the battery sealing module and battery sealing mechanism provided by the utility model have the following technical effects:

[0028] 1. By directly setting the convex edge at one end of the clamp, the pressure head can directly seal and compress the neck of the battery on the convex edge, eliminating the design of setting the pocket edge on the clamp. The neck of the battery will not be affected by the pocket edge to cause the battery steel shell to bulge, thus avoiding the problem of poor sealing appearance;

[0029] 2. Improving the sealing quality helps reduce electrolyte leakage and gas escape inside the battery, thereby maintaining a stable chemical environment inside the battery. This helps improve battery performance and safety, extend battery life, and reduce safety risks caused by battery failure;

[0030] 3. The battery sealing mechanism has a high degree of automation and intelligence, which can achieve fast and continuous sealing operations. This helps to reduce manual intervention, reduce production costs, and improve overall production efficiency. At the same time, precise sealing operations also reduce production interruptions and scrap rates caused by poor sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the three-dimensional structure of a battery sealing module in the prior art;

[0032] Figure 2 It is a schematic diagram of the exploded cross-section structure of a battery sealing module in the prior art;

[0033] Figure 3 This is a schematic diagram of the exploded cross-section structure of a battery sealing module according to an embodiment of the utility model;

[0034] Figure 4 This is a schematic cross-sectional structure diagram of a first battery sealing module according to an embodiment of the utility model;

[0035] Figure 5 This is a schematic cross-sectional structure diagram of a second battery sealing module according to an embodiment of the utility model;

[0036] Figure 6 This is a schematic cross-sectional structure diagram of a squat sealing module according to an embodiment of the utility model;

[0037] Figure 7 Schematic diagram of the battery sealing and conveying sequence according to an embodiment of the present utility model.

[0038] The meanings of the reference numerals are as follows: 1. clamping member; 11. receiving hole; 12. convex edge; 13. pocket edge; 14. vertical edge; 2. pressing head; 21. pressing groove; 3. first battery sealing module; 31. first clamping member; 311. first receiving hole; 312. first convex edge; 32. first pressing head; 321. first through hole; 322. first pressing groove; 4. second battery sealing module; 41. second clamping member ; 411, second accommodating hole; 412, second flange; 42, second pressure head; 421, second through hole; 422, second pressing groove; 5, squat sealing module; 51, third clamping member; 511, third accommodating hole; 512, third flange; 52, third pressure head; 521, third through hole; 522, bump; 523, neck portion; 6, battery; 61, rolling groove; 62, neck portion; 7, annular step portion. DETAILED DESCRIPTION

[0039] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described and discussed below in conjunction with the accompanying drawings of the present invention. Obviously, what is described here is only a part of the examples of the present invention, not all the examples. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0040] In order to facilitate the understanding of the embodiments of the present utility model, the following will be further explained by taking specific embodiments as examples in conjunction with the drawings, and each embodiment does not constitute a limitation on the embodiments of the present utility model.

[0041] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0043] Embodiment 1 of the present utility model is referred to Figure 3 As shown, a battery sealing module is disclosed, which is used for compressing and sealing the neck portion 62 of the battery 6 after the rolling groove 61. The battery sealing module includes a clamping member 1 and a pressing head 2. The clamping member 1 includes but is not limited to a multi-petal lock shoe or a multi-claw clamp. Preferably, the clamping member 1 adopts a three-petal lock shoe. The structure of the three-petal lock shoe allows the clamping member 1 to be flexibly adjusted according to the size and shape of the battery 6. Each petal lock shoe can move independently, thereby ensuring that the clamping member 1 can tightly surround and fix the battery 6 to keep it stable during the sealing process; when the pressing head 2 compresses the neck portion 62 of the battery 6, the lock shoe can evenly distribute the extrusion force to avoid excessive local pressure causing deformation or damage to the steel shell of the battery 6.

[0044] The three-petal lock shoe of the clamping member 1 encloses a receiving hole 11 for receiving the battery 6, and one end of the receiving hole 11 is provided with a convex edge 12 extending toward the axis of the receiving hole 11, which is used to engage with the rolling groove 61 of the battery 6, and one side of the convex edge 12 is aligned with one end surface of the clamping member 1 so that one side of the convex edge 12 fits and abuts against the rolling groove 61 of the battery 6, and the pressing head 2 has a pressing groove 21, and the receiving hole 11 is used to accommodate the battery 6 and allow the neck portion 62 to extend from the end of the receiving hole 11 with the convex edge 12, and the pressing head 2 is used to abut against the pressing groove 21. Since the pressing head 2 directly abuts against the neck portion 62 of the battery 6 and is compressed without the interference of the pocket edge 13, the compression force and direction can be more effectively controlled, thereby reducing the irregular deformation of the steel shell during the sealing process. In this way, not only can the quality of the seal be improved, but also the appearance of the seal can be significantly improved, and the generation of defective products can be reduced; the clamping design of the convex edge 12 and the rolling groove 61 can ensure the positioning accuracy of the battery 6 during the sealing process, and improve the reliability and efficiency of the seal. This design not only simplifies the structure of the sealing module, but also reduces the manufacturing cost and maintenance difficulty. That is, it solves the problem of steel shell bulging caused by the gap during the sealing process of the battery 6, improves the quality and appearance of the seal, and at the same time improves the manufacturability and efficiency of the manufacturing process.

[0045] Since there is no pocket edge 13 between the convex edge 12 and the pressing groove 21, when the pressing groove 21 compresses the neck portion 62 of the battery 6, the chamfer between the pocket edge 13 and the convex edge 12 will not affect the neck portion 62 to bulge toward the gap between the convex edge 12 and the pressing groove 21, causing a poor appearance. The design without the pocket edge 13 ensures that the pressure head 2 can be fully pressed down when the battery 6 is sealed on the neck portion 62, and the convex edge 12 is only used to fix the battery 6, which improves the positioning accuracy of the seal. The fit between the convex edge 12 and the rolling groove 61 reduces the problem of bulging of the battery 6 steel shell caused by the gap, further improving the quality of the seal and the appearance effect.

[0046] See also Figure 4-7As shown, the utility model also relates to a battery sealing mechanism, including a base (not shown), a pre-pressing mechanism (not shown), a closing mechanism (not shown), a conveying mechanism (not shown), a squatting sealing module 5 and two groups of battery sealing modules, the two groups of battery sealing modules are respectively a first battery sealing module 3 and a second battery sealing module 4, preferably, the pre-pressing mechanism is driven by a cam mechanism, and the cam mechanism is a high-pair mechanism composed of three basic components: a cam, a driven rod and a frame, which can perform constant speed rotary motion or reciprocating linear motion. The specific structure is not specifically limited in this embodiment 1. In other embodiments, it is sufficient to achieve a pre-pressing effect on the pressure head 2. The closing mechanism uses an electric, starting or hydraulic drive mechanism to drive each petal lock tile to achieve the opening and closing effect of the lock tile. The specific structure is not specifically limited in this embodiment 1. Preferably, the conveying mechanism adopts a conveying device such as a three-axis manipulator or a conveyor belt, which can convey the battery 6 from the first battery sealing module 3, the second battery sealing module 4 and the squatting sealing module 5, and this embodiment 1 is not specifically limited. In this mechanism, the base, the pre-pressing mechanism, the closing mechanism and the conveying mechanism are all existing technologies and have not been improved, so they are not described here.

[0047] Specifically, the first battery sealing module 3 includes a first clamping member 31 and a first pressing head 32, the second battery sealing module 4 includes a second clamping member 41 and a second pressing head 42, and the sealing module 5 includes a third clamping member 51 and a third pressing head 52, wherein the structures of the first clamping member 31 and the second clamping member 41 are completely consistent. In this embodiment 1, the first clamping member 31 and the second clamping member 41 are both formed by three-petal lock tiles, and the first clamping member 31 forms a first accommodating hole 311 for accommodating the battery 6, and the first accommodating hole 311 is provided with a first flange 312 at one end corresponding to the first pressing head 32; the second clamping member 41 forms a second accommodating hole 411 for accommodating the battery 6, and the second accommodating hole 411 is provided with a second flange 412 at one end corresponding to the second pressing head 42; the axial direction of the first accommodating hole 311 is set as the first direction, and the axial direction of the second accommodating hole 411 is parallel to the first direction.

[0048] It should be noted that, in order to prevent the first pressing head 32 and the second pressing head 42 from affecting the overall height of the battery 6 when pressing the neck portion 62 of the battery 6, the length of the first receiving hole 311 in the first direction is smaller than the length of the battery 6 in the first direction, and the length of the second receiving hole 411 in the first direction is smaller than the length of the battery 6 in the first direction. In this way, when the battery 6 is partially inserted into the receiving hole 11, the first convex edge 312 or the second convex edge 412 can better engage with the rolling groove 61 of the battery 6, and only play the role of fixing the battery 6 pole, and will not play the role of assisting the pressing groove 21 in pressing, ensuring the stability and sealing quality of the battery 6 during the sealing process, and there is no convex bulge problem between the pressing groove 21, and at the same time, it will not cause compression effect on other parts of the battery 6.

[0049] The third clamping member 51 is also formed by enclosing a three-petal lock shoe. The third clamping member 51 forms a third receiving hole 511 for receiving the battery 6. The end of the third receiving hole 511 away from the third pressure head 52 is provided with a third flange 512, which plays a role in supporting the bottom of the battery 6. The axial direction of the third receiving hole 511 is parallel to the first direction, and the length of the third receiving hole 511 in the first direction is greater than or equal to the length of the battery 6 in the first direction. Since the length of the third receiving hole 511 is at least equal to the length of the battery 6, the battery 6 can be completely or partially placed in the receiving hole 11. This design ensures that the battery 6 is fully supported and fixed during the sealing process, reducing the risk of non-directional displacement or deformation of the battery 6 when it is under pressure.

[0050] In the present embodiment 1, the first pressing head 32, the second pressing head 42 and the third pressing head 52 respectively include a first through hole 321, a second through hole 421 and a third through hole 521 for connecting the pre-pressing mechanism. In the cam mechanism of the pre-pressing mechanism, one end of the driven rod is respectively connected to the first through hole 321, the second through hole 421 and the third through hole 521, driving the first pressing head 32, the second pressing head 42 and the third pressing head 52 to press the first clamping member 31, the second clamping member 41 and the third clamping member 51 simultaneously or respectively, thereby completing the compression sealing effect on the battery 6. The first pressing head 32 is away from the pre-pressing mechanism. One end of the pre-pressing mechanism is provided with a concave first pressing groove 322, which is connected to the first through hole 321; the end of the second pressing head 42 away from the pre-pressing mechanism is provided with a concave second pressing groove 422, which is connected to the second through hole 421; wherein, the outer wall diameters of the first pressing head 32 and the second pressing head 42 along the first direction are consistent, and the outer wall of the third pressing head 52 close to one end of the second pressing groove 422 is provided with a concave portion 523, and a pressing block is formed between the concave portion 523 and the third through hole 521, and the pressing block can be pressed into one end of the third receiving hole 511. This design enables the third pressing head 52 to apply pressure to the battery 6 placed in the third receiving hole 511, thereby achieving the sealing operation of the battery 6. The presence of the pressing block ensures that the pressure can act evenly and effectively on the battery 6, thereby improving the quality and efficiency of the seal; the third flange 512 can support the bottom of the battery 6, and the cooperation between the third pressure head 52 and the third flange 512 enables the height of the battery 6 to be compressed to a specified length, which is conducive to the unification of the size of the battery 6.

[0051] In some embodiments, in order to facilitate the first through hole 321, the second through hole 421 and the third through hole 521 to follow the driven rod to release the pressing on the battery 6, at least one annular step portion 7 is provided in the first through hole 321, the second through hole 421 and the third through hole 521; in the first pressing head 32, the aperture of the first through hole 321 is always smaller than the aperture of the first pressing groove 322, and the annular step portion 7 makes the aperture of the first through hole 321 larger as the distance from the first pressing groove 322 in the first through hole 321 is closer; in the second pressing head 42, the aperture of the second through hole 421 is always smaller than the aperture of the second pressing groove 422, and the annular step portion 7 makes the aperture of the second through hole 421 larger as the distance from the second pressing groove 422 in the second through hole 421 is closer; this allows the pre-pressing mechanism to operate the three pressing heads 2 at the same time, and can complete the sealing operation of the three batteries 6 at the same time, greatly improving the production efficiency. Each battery 6 needs to be sent to the first receiving hole 311, the second receiving hole 411 and the third receiving hole 511 in sequence through the conveying mechanism, that is, each battery 6 needs to be pressed and sealed three times to ensure the sealing stability of the battery 6. This automated conveying method not only improves production efficiency, but also reduces errors caused by human factors; the design of the battery 6 sealing mechanism also takes into account the convenience of operation and maintenance. For example, the various components are tightly matched and easy to adjust, so that the operator can quickly adjust the mechanism to adapt to different models of batteries 6. At the same time, the various components are also easy to disassemble and replace, reducing maintenance costs.

[0052] It should be noted that, in order to change the battery 6 each time it is sealed, the depth of the first pressing groove 322 needs to be greater than the depth of the second pressing groove 422, so that the height of the neck portion 62 of the battery 6 gradually becomes lower.

[0053] The desired sealing effect is gradually achieved. The deeper design of the first pressing groove 322 is used for preliminary, strong compression to ensure that the shell opening of the battery 6 can smoothly enter the pressure head 2 and fit tightly with the pressing groove 21. The shallower design of the second pressing groove 422 is used for subsequent, more precise compression to control the shape and size of the seal, avoid damage to the battery 6 caused by excessive compression, and more accurately control the pressure distribution and changes during the sealing process, thereby improving the quality and consistency of the seal, and helping to reduce problems such as battery 6 performance degradation or poor appearance caused by uneven compression or excessive compression.

[0054] Preferably, the ratio of the depth of the first pressing groove 322 to the depth of the second pressing groove 422 is 5:4. By accurately controlling the compression process, this design can reduce the deformation and damage of the battery 6 during the sealing process, thereby improving the quality of the seal. At the same time, since the compression force is better controlled, the appearance and performance of the battery 6 can also be better guaranteed. The use of a fixed ratio for design helps to achieve standardization and consistency of the sealing process. This can not only reduce errors and uncertainties in the production process, but also improve the stability and reliability of product quality.

[0055] It should be noted that in order to achieve the compression effect on the neck portion 62 of the battery 6, the depth of the second pressing groove 422 is designed to be less than or equal to the height of the neck portion 62 of the battery 6. The pressure head 2 can completely fit the neck portion 62 of the battery 6 during the compression process to ensure the integrity of the seal. This helps to prevent leakage of internal substances of the battery 6 and improve the safety and reliability of the battery 6; because the pressing groove 21 matches the height of the neck portion 62 of the battery 6, the pressure head 2 can quickly and accurately locate the sealing position of the battery 6 during the compression process, reducing the adjustment time and operation difficulty, and improving the sealing efficiency; it is conducive to achieving compression of the neck portion 62 of the battery 6 within a set range.

[0056] The utility model also relates to a battery sealing method, comprising the following steps:

[0057] S1, one seal: initial sealing

[0058] S11: The battery 6 is sent to the first clamping member 31 through the conveying mechanism to be clamped, ensuring that the battery 6 is stably fixed;

[0059] S12: Adjust the position of the first clamping member 31 so that the first convex edge 312 of the first clamping member 31 corresponds to the rolling groove 61 of the battery 6 to ensure the accuracy of the sealing position;

[0060] S13: The closing mechanism drives the first clamping member 31 to close to the battery 6, so that the neck portion 62 of the battery 6 is completely exposed outside the first clamping member 31, in preparation for the subsequent pressing operation;

[0061] S14: The first pressing head 32 is driven by the pre-pressing mechanism to press the neck portion 62 of the battery 6 until the first clamping member 31 abuts against the first pressing head 32, completing the first pressing and sealing. At this time, the height of the neck portion 62 of the battery 6 should be compressed to 75%±10% of the original height to ensure a tight seal and avoid excessive compression.

[0062] S2, Second seal: Strengthen the seal

[0063] S21, the sealed battery 6 is sent to the second clamping member 41 again through the conveying mechanism for clamping, ensuring that the battery 6 is stably fixed at the new clamping position;

[0064] S22, adjusting the position of the second clamping member 41 so that the second convex edge 412 of the second clamping member 41 corresponds to the rolling groove 61 of the battery 6, thereby ensuring the accuracy of the sealing position;

[0065] S23, the closing mechanism drives the second clamping member 41 to close to the battery 6, so that the neck portion 62 of the battery 6 is completely exposed outside the second clamping member 41, in preparation for the subsequent pressing operation;

[0066] S24, the second pressing head 42 is driven by the pre-pressing mechanism to press the neck portion 62 of the battery 6 until the second clamping member 41 abuts against the second pressing head 42, completing the second pressing and sealing; at this time, the height of the neck portion 62 of the battery 6 should be further compressed to 60%±3% of the original height to ensure a tighter seal and reduce the risk of air or liquid leakage;

[0067] S3, squat seal: highly unified

[0068] S31, sending the secondary sealed battery 6 to the third clamping member 51 through a conveying mechanism to ensure that the battery 6 is stably fixed;

[0069] S32, the closing mechanism drives the third clamping member 51 to close to the battery 6, and at this time the third convex edge 512 of the third clamping member 51 supports the battery 6 to provide support for the subsequent pressing operation.

[0070] S33, the pre-pressing mechanism drives the third pressing head 52 to press one end of the neck portion 62 of the battery 6 to press the entire height of the battery 6 to achieve a uniform height of the sealed battery 6. This step helps to optimize the internal space layout of the battery 6 and improve the energy efficiency and performance of the battery 6.

[0071] It should be noted that by adopting the above-mentioned battery 6 sealing method, high quality, consistency and high efficiency of battery 6 sealing can be achieved. During the first and second sealing, the convex edge 12 design avoids direct contact with the neck portion 62 of the battery 6, so the battery 6 will not be scratched, and the appearance of the neck portion 62 after sealing is intact. The squat sealing step further ensures the uniformity of the height of the battery 6 after sealing, thereby improving the overall performance of the battery 6. In addition, by precisely controlling the amount of compression, the method can adapt to batteries 6 of different specifications and sizes, thereby improving the versatility and flexibility of the equipment.

[0072] After a sealing compression, the height of the neck portion 62 of the battery 6 is 75%±10% of the height of the neck portion 62 of the original battery 6. By setting the height of the neck portion 62 after compression to 75%±10% of the original height, the consistency and accuracy of each sealing operation can be ensured. This precise control helps to reduce poor sealing or damage to the battery 6 caused by excessive or insufficient compression; compression to 75%±10% of the original height can not only ensure a tight seal, but also avoid excessive compression of the internal structure of the battery 6. This helps to prevent the battery 6 from being damaged during the sealing process and improve the reliability and safety of the battery 6; since the setting of the compression amount has a certain range (±10%), this sealing method can adapt to batteries 6 of different specifications and sizes. This allows the same set of sealing mechanisms to handle multiple types of batteries 6, improving the versatility and flexibility of the equipment; by accurately controlling the compression amount, production interruptions caused by improper operation or equipment adjustment can be reduced. This helps to reduce production costs and improve overall production efficiency.

[0073] After the secondary sealing and compression, the height of the neck portion 62 of the battery 6 is 60%±3% of the original height of the neck portion 62 of the battery 6, which can further compress the neck portion 62 of the battery 6. The secondary sealing in step S2 can ensure that the seal is tighter and reduce the risk of air or liquid leakage. This high degree of precise control helps to achieve high-quality battery 6 sealing; compressing the height of the neck portion 62 to 60%±3% of the original height can optimize the internal space layout of the battery 6 while maintaining the overall structural stability of the battery 6. This helps to improve the energy efficiency and performance of the battery 6.

[0074] In summary, the battery sealing module, battery 6 sealing mechanism and battery 6 sealing method provided by the utility model have the following technical effects:

[0075] 1. By directly setting the convex edge 12 at one end of the clamping member 1, the pressure head 2 can directly seal and compress the neck portion 62 of the battery 6 on the convex edge 12, eliminating the design of setting the pocket edge 13 on the clamping member 1. The neck portion 62 of the battery 6 will not be affected by the pocket edge 13 to cause the steel shell of the battery 6 to bulge, thereby avoiding the problem of poor sealing appearance;

[0076] 2. Improved sealing quality helps reduce electrolyte leakage and gas escape inside the battery 6, thereby maintaining a stable chemical environment inside the battery 6. This helps improve the performance and safety of the battery 6, extend the service life of the battery 6, and reduce safety risks caused by battery 6 failures;

[0077] 3. The battery 6 sealing mechanism has a high degree of automation and intelligence, which can achieve fast and continuous sealing operations. This helps to reduce manual intervention, reduce production costs, and improve overall production efficiency. At the same time, the precise sealing operation also reduces production interruptions and scrap rates caused by poor sealing.

[0078] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A battery sealing module, used for compressing and sealing the neck portion (62) of a battery (6) after rolling grooves (61), characterized in that: include: A clamping member (1), wherein a receiving hole (11) for receiving a battery (6) is provided inside the clamping member (1), and a convex edge (12) extending toward the axis of the receiving hole (11) is provided at one end of the receiving hole (11) for clamping with a rolling groove (61) of the battery (6); A pressing head (2), the pressing head (2) having a pressing groove (21), the accommodating hole (11) being used to accommodate the battery (6) and allow the neck portion (62) to extend from the end of the accommodating hole (11) having a convex edge (12), and the pressing head (2) being used to abut against the pressing groove (21).

2. A battery sealing module according to claim 1, characterized in that: One side of the convex edge (12) is aligned with one end surface of the clamping member (1), so that one side of the convex edge (12) fits against the rolling groove (61) of the battery (6).

3. A battery sealing module according to claim 1 or 2, characterized in that: The clamping piece (1) is a three-petal locking shoe.

4. A battery sealing mechanism, characterized in that: The invention comprises a base, a pre-pressing mechanism, a closing mechanism, a conveying mechanism, a squatting sealing module (5) and two groups of battery sealing modules as described in any one of claims 1 to 3, wherein the two groups of battery sealing modules are respectively a first battery sealing module (3) and a second battery sealing module (4), wherein the first battery sealing module (3) comprises a first clamping member (31) and a first pressing head (32); the second battery sealing module (4) comprises a second clamping member (41) and a second pressing head (42), and the squatting sealing module (5) comprises a third clamping member (31) and a second pressing head (32). The invention relates to a battery (6) having a first clamping member (31) and a second clamping member (41) and a third clamping member (52), wherein the pre-pressing mechanism is used to provide a pressing force for the first clamping member (32) and / or the second clamping member (42) and / or the third clamping member (52), the closing mechanism is used to provide a closing clamping force for the battery (6) respectively clamped in the first clamping member (31) and / or the second clamping member (41) and / or the third clamping member (51), and the conveying mechanism is used to convey the battery (6) to the first clamping member (31), the second clamping member (41) or the third clamping member (51).

5. A battery sealing mechanism according to claim 4, characterized in that: The first pressing head (32) comprises a first pressing groove (322), the second pressing head (42) comprises a second pressing groove (422), and the depth of the first pressing groove (322) is greater than the depth of the second pressing groove (422).

6. A battery sealing mechanism according to claim 5, characterized in that: The ratio of the depth of the first pressing groove (322) to the depth of the second pressing groove (422) is 5:

4.

7. A battery sealing mechanism according to claim 5, characterized in that: The depth of the second pressing groove (422) is less than or equal to the height of the neck portion (62) of the battery (6).

8. A battery sealing mechanism according to claim 4, characterized in that: The first clamping member (31) comprises a first receiving hole (311) and a first convex edge (312), and the second clamping member (41) comprises a second receiving hole (411) and a second convex edge (412). The axial direction of the first receiving hole (311) is set as a first direction, and the axial direction of the second receiving hole (411) is parallel to the first direction. The length of the first receiving hole (311) in the first direction is smaller than the length of the battery (6) in the first direction, and the length of the second receiving hole (411) in the first direction is smaller than the length of the battery (6) in the first direction.

9. A battery sealing mechanism according to claim 8, characterized in that: The third clamping member (51) comprises a third accommodating hole (511), the axial direction of the third accommodating hole (511) is parallel to the first direction, the third pressing head (52) is provided with a pressing block pressed into one end of the third accommodating hole (511), and the other end of the third accommodating hole (511) is provided with a third convex edge (512) for abutting against an end of the battery (6) away from the neck portion (62).

10. A battery sealing mechanism according to claim 9, characterized in that: The length of the third receiving hole (511) in the first direction is greater than or equal to the length of the battery (6) in the first direction.

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