CN215680759U

CN215680759U - Soft package lithium ion battery head sealing device

Info

Publication number: CN215680759U
Application number: CN202122070939.3U
Authority: CN
Inventors: 曽洪华; 曽宪武; 蔡锦伟
Original assignee: Foshan Teamgiant New Energy Technology Co Ltd
Current assignee: Foshan Teamgiant New Energy Technology Co Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-28
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a soft package lithium ion battery end socket device which comprises an upper end socket and a lower end socket, wherein the space between the upper end socket and the lower end socket is used as a processing space; limiting sleeve mounting positions are arranged at two ends of the upper sealing head and/or the lower sealing head, and detachable limiting sleeves are arranged on the limiting sleeve mounting positions; the limiting sleeve is of a cylindrical structure and is provided with a cavity and a through hole; through adopting detachable stop collar as the design of limit structure between upper cover, the low head, can easily change like this when upper and lower head stop collar is unusual, also can debug according to the size that oneself required before the installation and choose for use suitable stop collar, it is easier to maintain, is favorable to extension head life.

Description

Soft package lithium ion battery head sealing device

Technical Field

The utility model relates to the technical field of battery production, in particular to a soft package lithium ion battery end socket device.

Background

For soft package lithium ion batteries, the side face of the battery inner core is generally fixedly connected with a tab, the battery inner core and the tab are coated by packaging paper, then the edge of the packaging paper needs to be glued together by adopting a heat sealing machine, and the soft package lithium ion battery is formed by hot pressing of an upper end enclosure and a lower end enclosure of the heat sealing machine.

When the current heat sealing machine carries out hot pressing on packing paper, the upper end enclosure and the lower end enclosure are abutted to enable glue on the packing paper to be melted and glued together, so that the upper end enclosure and the lower end enclosure are in hard contact when abutted to each other, and a limiting structure is required for limiting. In practice, after the limiting structures at the two ends of the end socket are abraded, the end socket needs to be subjected to outward machining and finish milling or finish grinding, so that a plurality of standby end sockets are needed, the service life of the end socket can be shortened after the end socket is milled or ground for a plurality of times, and equipment needs a large amount of time to be maintained when the end socket is installed horizontally. In normal production process, once the limit structure is abnormal, the end socket needs to be replaced by a new end socket after being detached, and the production efficiency can be directly influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a soft package lithium ion battery end socket device.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the soft package lithium ion battery end socket device comprises an upper end socket and a lower end socket, wherein a space between the upper end socket and the lower end socket is used as a processing space; limiting sleeve mounting positions are arranged at two ends of the upper sealing head and/or the lower sealing head, and detachable limiting sleeves are arranged on the limiting sleeve mounting positions; the stop collar is of a cylindrical structure and is provided with a cavity and a through hole.

According to the soft package lithium ion battery end socket device provided by the utility model, the detachable limiting sleeve is adopted as the limiting structure between the upper end socket and the lower end socket, so that the limiting sleeve of the upper end socket and the lower end socket can be easily replaced when the limiting sleeve of the lower end socket is abnormal, and the limiting sleeve can be debugged and selected according to the required size before installation, so that the maintenance is easier, and the service life of the end socket is prolonged.

As some preferred embodiments of the present invention, the upper head includes an upper mounting seat and an upper vertical sealing plate, and the lower head includes a lower mounting seat and a lower vertical sealing plate.

As some preferred embodiments of the present invention, a tab limiting groove is disposed between the upper package vertical plate and the lower package vertical plate.

As some preferred embodiments of the utility model, the limiting sleeve mounting position is provided with a mounting groove.

As some preferred embodiments of the utility model, a gasket is arranged between the mounting groove and the limiting sleeve.

As some preferred embodiments of the present invention, the position-limiting sleeve is vertically installed, the through hole on the side of the position-limiting sleeve facing the processing space is used as an installation hole, and a fastening screw is arranged on the installation hole.

As some preferred embodiments of the utility model, a fixing boss is arranged in the position, facing the installation position of the stop collar, of the stop collar.

As some preferred embodiments of the utility model, the position of one side of the limiting sleeve, which faces the limiting sleeve mounting position, is provided with an anti-rotation clamp position.

The utility model has the beneficial effects that:

1. the novel design can change the limit sleeve without changing the end socket structure if the limit sleeve is abnormal between the upper end socket and the lower end socket;

2. the new design can select a proper limit sleeve according to the required size without changing the end socket structure;

3. the new design and the manufacture are simple, and the cost is low;

4. the requirement can be met only by replacing a new gasket, and the service life of the seal head is prolonged;

5. the stop collar and the gasket are simple and easy to use, and are suitable for different sealing head and heat sealing machine devices.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is a perspective view of the present invention.

Reference numerals:

an upper seal head 100, an upper mounting seat 110 and an upper packaging vertical plate 120; a lower seal head 200, a lower mounting base 210 and a lower packaging vertical plate 220; a limiting sleeve mounting position 300 and a mounting groove 310; the limiting sleeve 400, the mounting hole 410, the fixing boss 420 and the anti-rotation clamp 430; a tab limiting groove 500; a gasket 600; the screw 700 is tightened.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. Rather, the utility model can be practiced without these specific details, i.e., those skilled in the art can more effectively introduce the essential nature of their work to others skilled in the art using the description and presentation herein.

Furthermore, it should be noted that the terms "left side," "right side," "upper side," "lower side," and the like used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component, and those skilled in the art should not understand that such directions are simple and need no inventive adjustment as technology falls outside the scope of the present application.

It should be understood that the detailed description and specific examples, while indicating the scope of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. Well-known manufacturing methods, control procedures, component dimensions, material compositions, pipe arrangements, etc., have not been described in detail since they are readily understood by those of ordinary skill in the art, in order to avoid obscuring the present invention.

Fig. 1 is a perspective view of an embodiment of the present invention, and referring to fig. 1, the embodiment of the present invention provides a soft package lithium ion battery end socket device, which includes an upper end socket 100 and a lower end socket 200, and a space between the upper end socket 100 and the lower end socket 200 is used as a processing space. The upper end enclosure 100 and the lower end enclosure 200 are used as end enclosure structures to complete hot pressing work on the battery.

Further, referring to fig. 2, the two ends of the upper sealing head 100 and/or the lower sealing head 200 are provided with stop collar installation positions 300, and the stop collar installation positions 300 are provided with detachable stop collars 400, so that the stop collars 400 can be properly selected as needed. Once the abnormality of the stop collar 400 between the upper seal head 100 and the lower seal head 200 is found, the stop collar 400 can be replaced.

Still further, stop collar 400 is the tubular structure, and stop collar 400 has cavity and through-hole, and is simple easy-to-use. Therefore, the production and installation of the limiting sleeve 400 are facilitated, and the design of the limiting sleeve 400 can ensure that the upper sealing head 100 and the lower sealing head 200 are not easy to deviate when in contact, so that the hot-pressing effect of the battery is ensured.

The disclosure of the soft package lithium ion battery end socket device is only a preferred embodiment of the present invention, and is only used for illustrating the technical solution of the present invention, and not for limiting the same. It will be understood by those skilled in the art that the foregoing technical solutions may be modified or supplemented by the prior art, or some of the technical features may be replaced by equivalents; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Reference will now be made in detail to some embodiments, wherein "an embodiment" is referred to herein as a particular feature, structure, or characteristic that may be included in at least one implementation of the present application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Furthermore, the details representative of one or more embodiments are not necessarily indicative of any particular order, nor are they intended to be limiting.

In some embodiments, the stop collars 400 are divided into an upper group and a lower group and are respectively mounted on the upper sealing head 100 and the lower sealing head 200.

In some embodiments, the stop collars 400 are only mounted to the upper and

lower heads

100, 200 as a single unit.

In some embodiments, the upper and

lower headers

100 and 200 are elongated structures and extend in the left-right direction. The stop collar 400 is arranged on the left and right sides of the head structure.

In some embodiments, the upper head 100 includes an upper mounting base 110 and an upper closure riser 120, and the lower head 200 includes a lower mounting base 210 and a lower closure riser 220. The upper and

lower mounting bases

110 and 210 serve as fixed mounting portions, and the upper and

lower riser enclosures

120 and 220 serve as enclosure areas.

In this embodiment, optionally, the cross sections of the upper mounting seat 110 and the lower mounting seat 210 are "T" shaped, so that the stability of the upper sealing head 100 and the lower sealing head 200 is improved.

In some embodiments, a tab limiting groove 500 is disposed between the upper and

lower package risers

120 and 220 for positioning a tab.

In some embodiments, the stop collar installation site 300 is provided with an installation groove 310, and the stop collar 400 can be inserted into the installation groove 310. Therefore, the installation of the limiting sleeve 400 is convenient, and the dislocation and the displacement of the limiting sleeve 400 caused by the shearing force can be avoided.

In some embodiments, stop collar 400 is a steel sleeve, which is more durable.

In some embodiments, a spacer 600 is disposed between the mounting groove 310 and the stop collar 400. When the stop collar 400 of the upper and lower end enclosure structures is abnormal, the gasket 600 with the corresponding required thickness is added again after the stop collar 400 is detached, and then the gasket is filled and locked.

In this embodiment, the gasket 600 may be in a shape of a circular sheet, a circular ring, or a "C".

In some embodiments, referring to fig. 3 and 4, the position limiting sleeve 400 is vertically installed, a through hole on one side of the position limiting sleeve 400 facing the processing space is used as an installation hole 410, and a fastening screw 700 is arranged on the installation hole 410 to facilitate the assembly and disassembly of the position limiting sleeve 400.

In some embodiments, a fixing boss 420 is disposed in the position of the position-limiting sleeve 400 facing the position-limiting sleeve mounting position 300, so as to ensure that the fastening screw 700 can clamp the position-limiting sleeve 400, and the position-limiting sleeve 400 is more stable.

In some embodiments, the position of the limiting sleeve 400 facing the limiting sleeve mounting position 300 is provided with an anti-rotation detent 430, so that the phenomenon that the limiting sleeve 400 rotates and loosens when the sealing structure works for a long time is avoided.

In this embodiment, optionally, the anti-rotation clip 430 is a bump structure, and the stop collar mounting position 300 is provided with a corresponding groove structure.

In this embodiment, optionally, the anti-rotation clip 430 is a groove structure, and the stop collar mounting position 300 is provided with a corresponding bump structure.

The present invention can be modified and adapted appropriately from the above-described embodiments, according to the principles described above. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a soft packet of lithium ion battery head device, includes upper cover (100), low head (200), upper cover (100) space between low head (200) is as processing space, its characterized in that: limiting sleeve mounting positions (300) are arranged at two ends of the upper sealing head (100) and/or the lower sealing head (200), and detachable limiting sleeves (400) are arranged on the limiting sleeve mounting positions (300);

the limiting sleeve (400) is of a cylindrical structure, and the limiting sleeve (400) is provided with a cavity and a through hole.

2. The soft package lithium ion battery seal head device of claim 1, characterized in that: the upper end enclosure (100) comprises an upper mounting seat (110) and an upper packaging vertical plate (120), and the lower end enclosure (200) comprises a lower mounting seat (210) and a lower packaging vertical plate (220).

3. The soft package lithium ion battery seal head device of claim 2, characterized in that: and a lug limiting groove (500) is arranged between the upper packaging vertical plate (120) and the lower packaging vertical plate (220).

4. The soft package lithium ion battery seal head device of claim 1, characterized in that: and the limiting sleeve mounting position (300) is provided with a mounting groove (310).

5. The soft package lithium ion battery seal head device of claim 4, characterized in that: a gasket (600) is arranged between the mounting groove (310) and the limiting sleeve (400).

6. The soft package lithium ion battery seal head device of claim 1, characterized in that: the limiting sleeve (400) is vertically installed, a through hole in one side, facing the machining space, of the limiting sleeve (400) serves as a mounting hole (410), and a fastening screw (700) is arranged on the mounting hole (410).

7. The soft package lithium ion battery seal head device of claim 6, characterized in that: a fixing boss (420) is arranged at one side of the limiting sleeve (400) facing the limiting sleeve mounting position (300).

8. The soft package lithium ion battery seal head device of claim 1, characterized in that: the limiting sleeve (400) is provided with an anti-rotation clamping position (430) at one side position facing the limiting sleeve mounting position (300).