CN213124529U

CN213124529U - Soft auxiliary heating anchor clamps of lithium ion battery soft seal

Info

Publication number: CN213124529U
Application number: CN202022437221.9U
Authority: CN
Inventors: 刘彪; 范常清; 劳华亮; 陈少士
Original assignee: Huizhou Super Polypower Battery Co ltd
Current assignee: Huizhou Super Polypower Battery Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-05-04
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a soft auxiliary heating anchor clamps of lithium ion battery soft seal, including hard head and soft head, the first anchor clamps seat of bottom fixedly connected with of hard head, the bottom of first anchor clamps seat is provided with the soft layer of first anchor clamps, the top fixedly connected with second anchor clamps seat of soft head, and the top of second anchor clamps seat is provided with the soft layer of second anchor clamps, the utility model discloses the beneficial effect who reaches is: the utility model discloses use soft auxiliary heating anchor clamps, improve polymer electricity core soft sealing equipment, effectively solve head heat transfer outside-in and change heat and lead to skin to cross melting, the inlayer fuses insufficient problem to and aluminium strip and nickel strap difference in temperature lead to utmost point ear glue to fuse the inconsistent problem of degree, the effectual utmost point ear of having solved the width simultaneously, thickness is big fuses the phenomenon that the temperature has great difference, thereby makes the soft sealing abundant, evenly fuses, and very big reduction the defective rate.

Description

Soft auxiliary heating anchor clamps of lithium ion battery soft seal

Technical Field

The utility model relates to a soft auxiliary heating anchor clamps of soft sealing, in particular to soft auxiliary heating anchor clamps of lithium ion battery soft sealing belongs to heating anchor clamps technical field.

Background

In the existing life, a polymer lithium ion battery is a rechargeable lithium ion battery which takes a conductive material as a positive electrode, takes a carbon material as a negative electrode, adopts electrolyte and an organic solvent as electrolyte, and adopts an aluminum plastic film as a sealing outer package. As the electrolyte generates a series of side reactions when meeting water, the service life and the safety of the polymer lithium ion battery are damaged, the sealing reliability of the battery is improved, the urgent need of lithium battery production is that the battery electrolyte and external moisture are effectively isolated, the top sealing of the polymer lithium ion battery adopts soft sealing which is a packaging method, but the problems of inconsistent molten glue of an aluminum lug and a nickel lug and inconsistent molten glue of lug glue and PP glue of an aluminum plastic film exist in the top sealing process, so that the problems of excessive local over-melting and insufficient molten glue of each glue layer and defective products are generated, and the subsequent service life and safety of the battery are seriously influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a soft auxiliary heating anchor clamps of lithium ion battery soft sealing.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a soft auxiliary heating anchor clamps of lithium ion battery soft seal, including hard head and soft head, the first anchor clamps seat of bottom fixedly connected with of hard head, the bottom of first anchor clamps seat is provided with the soft layer of first anchor clamps, the top fixedly connected with second anchor clamps seat of soft head, the top of second anchor clamps seat is provided with the soft layer of second anchor clamps.

As an optimized scheme of the utility model, hard head is spare part on the same polymer electricity core soft seal equipment with soft head.

As an optimized scheme of the utility model, the one end of hard head bottom and the one end at soft head top all are provided with the plastic-aluminum membrane, two be provided with utmost point ear between the plastic-aluminum membrane.

As an optimized scheme of the utility model, the one end that the plastic-aluminum membrane was kept away from to utmost point ear extends to between first anchor clamps soft layer and the second anchor clamps soft layer.

As an optimized scheme of the utility model, the top on the soft layer of second anchor clamps is higher than the top of soft head.

The utility model discloses the beneficial effect who reaches is: the utility model discloses use soft auxiliary heating anchor clamps, improve polymer electricity core soft sealing equipment, effectively solve head heat transfer outside-in and change heat and lead to skin to cross melting, the inlayer fuses insufficient problem to and aluminium strip and nickel strap difference in temperature lead to utmost point ear glue to fuse the inconsistent problem of degree, the effectual utmost point ear of having solved the width simultaneously, thickness is big fuses the phenomenon that the temperature has great difference, thereby makes the soft sealing abundant, evenly fuses, and very big reduction the defective rate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a side view of the present invention.

In the figure: 1. hard end sockets; 2. soft end enclosure; 3. an aluminum-plastic film; 4. a tab; 5. a first clamp base; 6. a first clamp soft layer; 7. a second clamp base; 8. a second clamp soft layer.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-2, the utility model provides a soft auxiliary heating clamp for soft sealing of lithium ion battery, which comprises a hard end enclosure 1 and a soft end enclosure 2, wherein the bottom of the hard end enclosure 1 is fixedly connected with a first clamp seat 5, the bottom of the first clamp seat 5 is provided with a first clamp soft layer 6, the top of the soft end enclosure 2 is fixedly connected with a second clamp seat 7, the top of the second clamp seat 7 is provided with a second clamp soft layer 8, the polymer battery cell soft sealing device is improved better by the first clamp soft layer 6 and the second clamp soft layer 8, the problems of excessive melting of the outer layer and insufficient melting of the inner layer caused by the heat transfer from outside to inside of the end enclosure and the inconsistency of the melting degree of the tab glue caused by the temperature difference between the aluminum tape and the nickel tape are effectively solved, and the phenomenon of great difference in the temperature melting of the tab 4 with large width and thickness is effectively solved, thereby the soft sealing is sufficient, the fusion is uniform, and the defective rate is greatly reduced.

Furthermore, the hard end socket 1 and the soft end socket 2 are parts on the same polymer battery cell soft sealing equipment, so that the hard end socket 1 and the soft end socket 2 can be better controlled through the external polymer battery cell soft sealing equipment.

Further, one end of the bottom of the hard sealing head 1 and one end of the top of the soft sealing head 2 are both provided with aluminum-plastic films 3, a tab 4 is arranged between the two aluminum-plastic films 3, and the tab 4 can be better packaged through the aluminum-plastic films 3.

Further, the one end that aluminium-plastic membrane 3 was kept away from to utmost point ear 4 extends to between first anchor clamps soft layer 6 and the second anchor clamps soft layer 8, is convenient for better fully soft sealing utmost point ear 4 through first anchor clamps soft layer 6 and second anchor clamps soft layer 8.

Further, the top of the second clamp soft layer 8 is higher than the top of the soft seal head 2, so that the second clamp soft layer can be better matched with the hard seal head 1 for use.

Specifically, when in use, firstly, the heights of a soft end enclosure 2 and a hard end enclosure 1 are determined according to a polymer electric core soft sealing method, simultaneously, the soft auxiliary heating height is calculated and designed to be slightly higher than the joint height of the soft end enclosure 2 and the hard end enclosure 1, then, a first clamp seat 5, a first clamp soft layer 6, a second clamp seat 7 and a second clamp soft layer 8 are manufactured according to the heights, then, an auxiliary heating clamp and polymer electric core soft sealing equipment are installed and fixed, as shown in figure 1, a main view of a non-joint packaging state is shown, as shown in figure 2, a joint packaging state is shown, the auxiliary heating clamp and the end enclosure are contacted and heated, the modified polymer electric core soft sealing equipment is used for packaging the battery, simultaneously, the sol range, defective product rate data and manual operation efficiency data before and after the battery is packaged are improved are collected, the improvement effect is checked, and the sol range is reduced, the consistency is improved: the method is characterized in that a tab adhesive with the thickness of 0.1mm is used for being matched with a metal band tab 4 with the thickness of 0.1mm to be packaged by a 0.113mm aluminum plastic film 3, the thickness range of sol is improved to 470 +/-18 microns from 470 +/-30 microns, the short circuit defective rate of the battery tab 4 and a packaging film after packaging is reduced, a polymer battery cell soft sealing method without a soft auxiliary heating clamp is adopted, the short circuit defective product of the battery tab 4 and the packaging film is 0.65%, after the soft auxiliary heating clamp is adopted, soft sealing is sufficient, uniform fusion is realized, and the defective rate is reduced to 0.14%.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a soft auxiliary heating anchor clamps of lithium ion battery soft seal, includes hard head (1) and soft head (2), its characterized in that, the first anchor clamps seat of bottom fixedly connected with (5) of hard head (1), the bottom of first anchor clamps seat (5) is provided with first anchor clamps soft layer (6), the top fixedly connected with second anchor clamps seat (7) of soft head (2), the top of second anchor clamps seat (7) is provided with second anchor clamps soft layer (8).

2. The soft auxiliary heating fixture for soft sealing of the lithium ion battery according to claim 1, wherein the hard end enclosure (1) and the soft end enclosure (2) are both parts of the same polymer battery cell soft sealing equipment.

3. The soft auxiliary heating clamp for the soft sealing of the lithium ion battery according to claim 1, wherein aluminum-plastic films (3) are respectively arranged at one end of the bottom of the hard sealing head (1) and one end of the top of the soft sealing head (2), and a tab (4) is arranged between the two aluminum-plastic films (3).

4. The soft auxiliary heating clamp for soft packaging of the lithium ion battery as claimed in claim 3, wherein one end of the tab (4) far away from the aluminum plastic film (3) extends to a position between the first clamp soft layer (6) and the second clamp soft layer (8).

5. The soft auxiliary heating fixture for the soft package of the lithium ion battery as claimed in claim 1, wherein the top of the second fixture soft layer (8) is higher than the top of the soft end socket (2).