Soft package battery pre-sealing mechanism

By using a transmission assembly in the soft-pack battery pre-sealing mechanism with a single drive assembly that cooperates with the wedge block and the cam follower, the problems of large space, high cost and intimate coordination in the prior art are solved, and efficient, stable and reliable pre-sealing operation is achieved.

CN222690715UActive Publication Date: 2025-03-28DONGGUAN TOPS INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202421156413.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-25
Publication Date
2025-03-28
Estimated Expiration
2034-05-25

AI Technical Summary

Technical Problem

The existing soft-pack battery pre-sealing mechanism occupies a large space, has high manufacturing costs, and is not closely coordinated, so it cannot operate efficiently and synchronously, resulting in poor stability, reliability and practicality.

Method used

A single drive assembly is used to synchronize the two head components through the transmission assembly, including linear bearings, connecting plates, guide shafts, wedge blocks, cam followers, slide rails and sliders, to achieve efficient opening and closing movements.

Benefits of technology

It reduces space occupation and manufacturing costs, improves the efficiency of opening and closing force conversion of the head assembly, achieves stable, reliable and efficient pre-sealing operations, and improves overall stability and practicality.

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Abstract

The utility model discloses a soft package battery pre-sealing mechanism which comprises a mounting plate, a driving assembly, a transmission assembly and a sealing head assembly, the transmission assembly and the driving assembly are both arranged on the mounting plate, one end of the transmission assembly is in transmission connection with the driving assembly, and the other end of the transmission assembly is in transmission connection with the sealing head assembly; the transmission assembly comprises a linear bearing, a connecting plate, a guide shaft, a wedge block, a cam follower, a sliding rail and a sliding block. The linear bearing and the sliding rail are fixed to the mounting plate, the guide shaft is arranged at the linear bearing in a vertically movable mode, the connecting plate is arranged at the upper end of the guide shaft, the driving assembly is connected with the connecting plate, the wedge-shaped block is arranged at the lower end of the guide shaft, one end of the cam follower is arranged on the wedge-shaped block in a sliding mode, and the sliding block is arranged on the sliding rail in a sliding mode. The driving assembly is adopted to drive the wedge-shaped block to push the end socket assembly to be opened and closed stably, the structure is compact, space is saved, the pre-sealing stability and reliability are ensured, and practicability is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of soft-pack battery sealing, in particular to a soft-pack battery pre-sealing mechanism. Background Art

[0002] At present, soft-pack batteries are widely used in the field of new energy. Existing soft-pack batteries often need to be pre-sealed, that is, after the soft-pack filling machine injects electrolyte into the battery, it clamps the air bag with two heat sealing heads to melt the glue and seal it to achieve the purpose of sealing. However, the existing soft-pack battery pre-sealing mechanism uses two independent drive components to drive the two heads. Such a structural design not only occupies a large space, but also has a high manufacturing cost. In order to reduce costs, technical personnel in this field use a single drive component to synchronously drive the two heads through a transmission component. However, the existing transmission component cannot well convert the power of the drive component into the opening and closing force of the head component, the cooperation is not tight, and it cannot operate efficiently, synchronously and stably, and the stability, reliability and practicality are poor.

[0003] In view of the problems in the existing related technologies, the pre-sealing mechanism of the soft-pack battery occupies a large space, has a high manufacturing cost, is not tightly matched, cannot operate efficiently and synchronously stably, and has poor stability, reliability and practicality, no effective solution has been proposed. Utility Model Content

[0004] In view of this, it is necessary to provide a soft-pack battery pre-sealing mechanism to at least solve the problems in the related art that the soft-pack battery pre-sealing mechanism occupies a large space, has a high manufacturing cost, is not tightly matched, cannot operate efficiently and synchronously stably, and has poor stability, reliability and practicality.

[0005] A technical solution adopted by the utility model is as follows: a soft-pack battery pre-sealing mechanism, comprising a mounting plate, a driving assembly, a transmission assembly and a head assembly, the transmission assembly and the driving assembly are both arranged on the mounting plate, one end of the transmission assembly is transmission-connected to the driving assembly, and the other end of the transmission assembly is transmission-connected to the head assembly; the transmission assembly comprises a linear bearing, a connecting plate, a guide shaft, a wedge block, a cam follower, a slide rail and a slider; the linear bearing and the slide rail are fixed to the mounting plate, the guide shaft can be movably arranged at the linear bearing up and down, the connecting plate is arranged at the upper end of the guide shaft, the driving assembly is connected to the connecting plate, the wedge block is arranged at the lower end of the guide shaft, one end of the cam follower can be slidably arranged on the wedge block, the slider can be slidably arranged on the slide rail, and the head assembly is arranged at the slider and connected to the other end of the cam follower.

[0006] In some embodiments, the linear bearing includes a first linear bearing and a second linear bearing, and the first linear bearing and the second linear bearing are respectively disposed on two sides of the driving component.

[0007] In some embodiments, the guide shaft includes a first guide shaft and a second guide shaft, the first guide shaft can be movably disposed in the first linear bearing, the second guide shaft can be movably disposed in the second linear bearing, the upper end of the first guide shaft and the upper end of the second guide shaft are connected through the connecting plate, and the driving assembly is transmission-connected to the middle part of the connecting plate.

[0008] In some embodiments, the wedge block includes a first wedge block and a second wedge block, the upper end of the first wedge block is arranged at the lower end of the first guide shaft, the upper end of the second wedge block is arranged at the lower end of the second guide shaft, the first wedge block includes a first limiting through groove and a second limiting through groove, the second wedge block includes a third limiting through groove and a fourth limiting through groove, the first limiting through groove and the third limiting through groove are arranged opposite to each other, the second limiting through groove and the fourth limiting through groove are arranged opposite to each other, and the first limiting through groove and the second limiting through groove, as well as the third limiting through groove and the fourth limiting through groove all have an eight-shaped structure.

[0009] In some embodiments, the cam follower includes a first cam follower, a second cam follower, a third cam follower and a fourth cam follower, one end of the first cam follower is slidably disposed in the first limiting groove, one end of the second cam follower is slidably disposed in the second limiting groove, one end of the third cam follower is slidably disposed in the third limiting groove, and one end of the fourth cam follower is slidably disposed in the fourth limiting groove.

[0010] In some embodiments, the slide rail includes a first slide rail and a second slide rail arranged side by side, the slider includes a first slider, a second slider, a third slider and a fourth slider, the first slider and the second slider are slidably arranged on the first slide rail side by side, the third slider and the fourth slider are slidably arranged on the second slide rail side by side, the first slider and the third slider are arranged opposite to each other, the second slider and the fourth slider are arranged opposite to each other, the head assembly includes a first head assembly and a second head assembly, the first head assembly is fixed on the first slider and the third slider, the second head assembly is fixed on the second slider and the fourth slider, the first cam follower and the third cam follower are arranged on the first head assembly, and the second cam follower and the fourth cam follower are arranged on the second head assembly.

[0011] In some embodiments, the first head assembly includes a first heating element mounting base, a first heat insulation plate, a first heating element and a first head, the first heating element mounting base is fixed on the first slider and the third slider, the first heat insulation plate is arranged between the first heating element mounting base and the first heating element, and the first head is arranged on the first heating element.

[0012] In some embodiments, the second head assembly includes a second heating element mounting base, a second heat insulation plate, a second heating element and a second head, the second heating element mounting base is fixed on the second slider and the fourth slider, the second heat insulation plate is arranged between the second heating element mounting base and the second heating element, and the second head is arranged on the second heating element.

[0013] In some embodiments, a pre-sealed area is formed between the first seal head and the second seal head.

[0014] In some embodiments, the driving assembly is a single driving cylinder, and a gas rod of the driving cylinder is connected to the connecting plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the embodiment of the present application provides a soft-pack battery pre-sealing mechanism, which adopts a single drive assembly to replace two independent drive assemblies for driving, thereby reducing the size of the space occupied and reducing the production cost. At the same time, the transmission assembly adopts a structural design in which a wedge block and a cam follower cooperate with each other, so as to convert the power of the drive assembly into the opening and closing force of the head assembly, with efficient conversion, smooth operation, good consistency, high integrity, high stability and reliability, improved pre-sealing efficiency, and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a stereoscopic view of an embodiment of the present application;

[0017] Figure 2 This is a perspective structural diagram of one of the embodiments of the present application;

[0018] Figure 3 is another perspective structural schematic diagram of an embodiment of the present application;

[0019] Figure 4 It is a schematic diagram of the structure of the transmission assembly and the head assembly of the embodiment of the present application;

[0020] Figure 5 It is a schematic diagram of the local structure of an embodiment of the present application. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly mounted on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is considered to be "fixed to" another component, it may be directly fixed on the other component or there may be a central component at the same time.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field 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. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0024] See also Figures 1 to 5 The embodiment of the present application provides a soft-pack battery pre-sealing mechanism, including a mounting plate 100, a driving assembly 200, a transmission assembly 300 and a head assembly 400. The transmission assembly 300 and the driving assembly 200 are both arranged on the mounting plate 100, one end of the transmission assembly 300 is transmission-connected to the driving assembly 200, and the other end of the transmission assembly 300 is transmission-connected to the head assembly 400; the transmission assembly 300 includes a linear bearing 31, a connecting plate 32, a guide shaft 33, a wedge block 34, a cam follower 35, The slide rail 36 and the slider 37; the linear bearing 31 and the slide rail 36 are fixed on the mounting plate 100, the guide shaft 33 is movable up and down and is arranged at the linear bearing 31, the connecting plate 32 is arranged at the upper end of the guide shaft 33, the driving assembly 200 is connected to the connecting plate 32, the wedge block 34 is arranged at the lower end of the guide shaft 33, one end of the cam follower 35 is slidably arranged on the wedge block 34, the slider 37 is slidably arranged on the slide rail 36, and the head assembly 400 is arranged at the slider 37 and is connected to the other end of the cam follower 35.

[0025] It should be noted that the transmission assembly 300 is driven to work by adopting the driving assembly 200. Specifically, the driving assembly 200 drives the connecting plate 32 to move up and down, thereby driving the guide shaft 33 to move up and down on the linear bearing 31. The wedge block 34 is arranged at the lower end of the linear bearing 31 so as to move up and down together with the guide shaft 33. At the same time, the head assembly 400 can be slid left and right on the slide rail 36 through the slider 37, and one end of the cam follower 35 slides on the wedge block 34, and the other end is connected to the head assembly 400. Therefore, the driving assembly 200 drives the head assembly 400 to work under the cooperation of the wedge block 34 and the cam follower 35, thereby realizing the pre-sealing process.

[0026] In some embodiments, the linear bearing 31 includes a first linear bearing 311 and a second linear bearing 312 , and the first linear bearing 311 and the second linear bearing 312 are respectively disposed on two sides of the driving assembly 200 .

[0027] In some embodiments, the guide shaft 33 includes a first guide shaft 331 and a second guide shaft 332. The first guide shaft 331 can be movably disposed in the first linear bearing 311, and the second guide shaft 332 can be movably disposed in the second linear bearing 312. The upper end of the first guide shaft 331 and the upper end of the second guide shaft 332 are connected through a connecting plate 32, and the driving assembly 200 is transmission-connected to the middle part of the connecting plate 32.

[0028] It should be noted that the driving assembly 200 drives the first guide shaft 331 to perform lifting motion on the first linear bearing 311 through the connecting plate 32 , and also drives the second guide shaft 332 to perform synchronous lifting motion on the second linear bearing 312 .

[0029] In some embodiments, the wedge block 34 includes a first wedge block 341 and a second wedge block 342. The upper end of the first wedge block 341 is arranged at the lower end of the first guide shaft 331, and the upper end of the second wedge block 342 is arranged at the lower end of the second guide shaft 332. The first wedge block 341 includes a first limiting groove 343 and a second limiting groove 344, and the second wedge block 342 includes a third limiting groove 345 and a fourth limiting groove 346. The first limiting groove 343 and the third limiting groove 345 are arranged opposite to each other, and the second limiting groove 344 and the fourth limiting groove 346 are arranged opposite to each other. The first limiting groove 343 and the second limiting groove 344, as well as the third limiting groove 345 and the fourth limiting groove 346 are all in an eight-shaped structure.

[0030] It should be noted that the first limiting groove 343 and the second limiting groove 344 are provided in the first wedge block 341, and the third limiting groove 345 and the fourth limiting groove 346 are provided in the second wedge block 342, which can limit the path of the cam follower 35 in the wedge block 34, thereby playing a guiding role.

[0031] In some embodiments, the cam follower 35 includes a first cam follower 351, a second cam follower 352, a third cam follower 353 and a fourth cam follower 354, one end of the first cam follower 351 is slidably disposed in the first limiting groove 343, one end of the second cam follower 352 is slidably disposed in the second limiting groove 344, one end of the third cam follower 353 is slidably disposed in the third limiting groove 345, and one end of the fourth cam follower 354 is slidably disposed in the fourth limiting groove 346.

[0032] In some embodiments, the slide rail 36 includes a first slide rail 361 and a second slide rail 362 arranged side by side, and the slider 37 includes a first slider 371, a second slider 372, a third slider 373 and a fourth slider 374. The first slider 371 and the second slider 372 are slidably arranged side by side on the first slide rail 361, the third slider 373 and the fourth slider 374 are slidably arranged side by side on the second slide rail 362, the first slider 371 and the third slider 373 are arranged opposite to each other, and the second slider 372 Arranged opposite to the fourth slider 374, the head assembly 400 includes a first head assembly 41 and a second head assembly 42. The first head assembly 41 is fixed on the first slider 371 and the third slider 373, the second head assembly 42 is fixed on the second slider 372 and the fourth slider 374, the first cam follower 351 and the third cam follower 353 are arranged on the first head assembly 41, and the second cam follower 352 and the fourth cam follower 354 are arranged on the second head assembly 42.

[0033] It should be noted that, with the help of the first cam follower 351 and the third cam follower 353, the first head assembly 41 slides left and right along the first slide rail 361 and the second slide rail 362 through the first slider 371 and the third slider 373; at the same time, with the help of the second cam follower 352 and the fourth cam follower 354, the second head assembly 42 slides left and right along the first slide rail 361 and the second slide rail 362 through the second slider 372 and the fourth slider 374, thereby realizing the opening or closing process of the first head assembly 41 and the second head assembly 42, and the operation is smooth, and the eight-shaped stability and reliability are good.

[0034] In some embodiments, the first head assembly 41 includes a first heating element mounting base 411, a first heat insulation plate 412, a first heating element 413 and a first head 414. The first heating element mounting base 411 is fixed on the first slider 371 and the third slider 373. The first heat insulation plate 412 is arranged between the first heating element mounting base 411 and the first heating element 413. The first head 414 is arranged on the first heating element 413.

[0035] In some embodiments, the second head assembly 42 includes a second heating element mounting base 421, a second heat insulation plate 422, a second heating element 423 and a second head 424. The second heating element mounting base 421 is fixed on the second slider 372 and the fourth slider 374, the second heat insulation plate 422 is arranged between the second heating element mounting base 421 and the second heating element 423, and the second head 424 is arranged on the second heating element 423.

[0036] In some of the embodiments, a pre-sealed area is formed between the first seal 414 and the second seal 424 .

[0037] It should be noted that the soft-pack battery is placed in a pre-sealed area formed between the first head 414 and the second head 424, and the soft-pack battery is pre-sealed through the first head 414 and the second head 424. The first heating element 413 and the second heating element 423 are used to heat the first head 414 and the second head 424, and the first heat insulation plate 412 and the second heat insulation plate 422 realize the heat insulation function between the first head 414 and the first heating element mounting seat 411, and the heat insulation function between the second head 424 and the second heating element mounting seat 421.

[0038] In some of the embodiments, the driving assembly 200 is a single driving cylinder, and the gas rod of the driving cylinder is connected to the connecting plate 32 .

[0039] It should be noted that the use of a single driving cylinder reduces the size of the occupied space and reduces the manufacturing cost.

[0040] Those skilled in the art should recognize that the above embodiments are only used to illustrate the present invention and are not intended to limit the present invention. As long as they are within the spirit of the present invention, appropriate changes and modifications to the above embodiments are within the scope of protection required by the present invention.

Claims

1. A soft pack battery pre-sealing mechanism, characterized in that: The invention comprises a mounting plate (100), a driving assembly (200), a transmission assembly (300) and a head assembly (400); the transmission assembly (300) and the driving assembly (200) are both arranged on the mounting plate (100); one end of the transmission assembly (300) is transmission-connected to the driving assembly (200), and the other end of the transmission assembly (300) is transmission-connected to the head assembly (400); the transmission assembly (300) comprises a linear bearing (31), a connecting plate (32), a guide shaft (33), a wedge block (34), a cam follower (35), a slide rail (36) and a slider (37); the linear bearing (31 ) and the slide rail (36) are fixed on the mounting plate (100), the guide shaft (33) is movable up and down and is arranged at the linear bearing (31), the connecting plate (32) is arranged at the upper end of the guide shaft (33), the driving assembly (200) is connected to the connecting plate (32), the wedge block (34) is arranged at the lower end of the guide shaft (33), one end of the cam follower (35) is slidably arranged on the wedge block (34), the slider (37) is slidably arranged on the slide rail (36), and the head assembly (400) is arranged at the slider (37) and is connected to the other end of the cam follower (35).

2. The soft pack battery pre-sealing mechanism according to claim 1, characterized in that: The linear bearing (31) comprises a first linear bearing (311) and a second linear bearing (312); the first linear bearing (311) and the second linear bearing (312) are respectively arranged on two sides of the driving component (200).

3. The soft pack battery pre-sealing mechanism according to claim 2, characterized in that: The guide shaft (33) comprises a first guide shaft (331) and a second guide shaft (332); the first guide shaft (331) is movably disposed in the first linear bearing (311); the second guide shaft (332) is movably disposed in the second linear bearing (312); the upper end of the first guide shaft (331) and the upper end of the second guide shaft (332) are connected via the connecting plate (32); and the driving assembly (200) is drivingly connected to the middle portion of the connecting plate (32).

4. The soft pack battery pre-sealing mechanism according to claim 3, characterized in that: The wedge block (34) comprises a first wedge block (341) and a second wedge block (342); the upper end of the first wedge block (341) is arranged at the lower end of the first guide shaft (331); the upper end of the second wedge block (342) is arranged at the lower end of the second guide shaft (332); the first wedge block (341) comprises a first limiting through groove (343) and a second limiting through groove (344); the second wedge block (342) comprises a third limiting through groove (345) and a fourth limiting through groove (346); the first limiting through groove (343) and the third limiting through groove (345) are arranged opposite to each other; the second limiting through groove (344) and the fourth limiting through groove (346) are arranged opposite to each other; the first limiting through groove (343) and the second limiting through groove (344) as well as the third limiting through groove (345) and the fourth limiting through groove (346) are all in an eight-shaped structure.

5. The soft pack battery pre-sealing mechanism according to claim 4, characterized in that: The cam follower (35) comprises a first cam follower (351), a second cam follower (352), a third cam follower (353) and a fourth cam follower (354); one end of the first cam follower (351) is slidably disposed at the first limiting slot (343); one end of the second cam follower (352) is slidably disposed at the second limiting slot (344); one end of the third cam follower (353) is slidably disposed at the third limiting slot (345); and one end of the fourth cam follower (354) is slidably disposed at the fourth limiting slot (346).

6. The soft pack battery pre-sealing mechanism according to claim 5, characterized in that: The slide rail (36) comprises a first slide rail (361) and a second slide rail (362) which are arranged side by side; the slider (37) comprises a first slider (371), a second slider (372), a third slider (373) and a fourth slider (374); the first slider (371) and the second slider (372) are arranged side by side on the first slide rail (361) for sliding movement; the third slider (373) and the fourth slider (374) are arranged side by side on the second slide rail (362) for sliding movement; the first slider (371) and the third slider (373) are arranged opposite to each other; the second slider (372) and the fourth slider (374) are arranged opposite to each other; (374) are arranged relative to each other, the head assembly (400) includes a first head assembly (41) and a second head assembly (42), the first head assembly (41) is fixed on the first slider (371) and the third slider (373), the second head assembly (42) is fixed on the second slider (372) and the fourth slider (374), the first cam follower (351) and the third cam follower (353) are arranged on the first head assembly (41), and the second cam follower (352) and the fourth cam follower (354) are arranged on the second head assembly (42).

7. The soft pack battery pre-sealing mechanism according to claim 6, characterized in that: The first head assembly (41) comprises a first heating element mounting seat (411), a first heat insulation plate (412), a first heating element (413) and a first head (414); the first heating element mounting seat (411) is fixed on the first slider (371) and the third slider (373); the first heat insulation plate (412) is arranged between the first heating element mounting seat (411) and the first heating element (413); and the first head (414) is arranged on the first heating element (413).

8. The soft pack battery pre-sealing mechanism according to claim 7, characterized in that: The second head assembly (42) comprises a second heating element mounting seat (421), a second heat insulation plate (422), a second heating element (423) and a second head (424); the second heating element mounting seat (421) is fixed on the second slider (372) and the fourth slider (374); the second heat insulation plate (422) is arranged between the second heating element mounting seat (421) and the second heating element (423); and the second head (424) is arranged on the second heating element (423).

9. The soft pack battery pre-sealing mechanism according to claim 8, characterized in that: A pre-sealed area is formed between the first sealing head (414) and the second sealing head (424).

10. The soft pack battery pre-sealing mechanism according to claim 1, characterized in that: The driving assembly (200) is a single driving cylinder, and the gas rod of the driving cylinder is connected to the connecting plate (32).