CN211455869U

CN211455869U - Battery packaging mold and packaging device with same

Info

Publication number: CN211455869U
Application number: CN202020173977.4U
Authority: CN
Inventors: 梁红霞; 李�荣
Original assignee: Huizhou Xisheng Technology Co ltd
Current assignee: Huizhou Xisheng Technology Co ltd
Priority date: 2020-02-17
Filing date: 2020-02-17
Publication date: 2020-09-08
Anticipated expiration: 2030-02-17

Abstract

The utility model relates to a battery packaging mold, last mould and lower mould including relative setting, be equipped with upper cover and low head on going up the mould and being relative the face of lower mould respectively, the upper cover has the first surface towards the low head, the low head has the second surface with first surface looks opposition, first surface and second surface form the wave curved surface that matches each other. The utility model has the advantages that the surfaces of the upper seal head and the lower seal head are provided with the wave-shaped curved surface, and the aluminum plastic film after heat sealing is wave-shaped on one side, so that the packaged and unpackaged cells can be visually and rapidly distinguished, and the packaging leakage is avoided; on the other hand, the corrugated end socket does not need to detect the flatness of the die every day, and the use is more convenient.

Description

Battery packaging mold and packaging device with same

Technical Field

The utility model relates to a battery manufacturing field particularly, relates to a battery packaging mold and have its packaging hardware.

Background

At present, the lithium ion battery has the advantages of high energy density, long cycle life, high cost performance and the like, and is widely applied to various digital products, electric garden tools, energy storage systems and even automobile power systems.

Due to the characteristics of the aluminum-plastic composite film as a packaging material, the packaging reliability of the soft package lithium ion battery is always valued by people. Particularly, the soft package lithium ion battery applied to the energy storage system has more severe requirements on the long-term reliability of the package. Therefore, the packaging process is a critical process in the production and manufacturing process of the lithium ion battery, and is very important for the safety and reliability of the battery.

The end sockets of the heat-sealing mould after the liquid injection of the existing polymer lithium ion battery are all in a plane structure, and the mould with the structure has the following defects: 1. the die is used at high temperature for a long time and is easy to abrade the surface of the end socket, so that the surface is uneven, and the battery failure caused by the infirm packaging of the battery is caused. 2. The seal head is of a plane structure, the battery packaging film is also of a plane structure, the appearance difference between the battery before packaging and the battery after packaging is not large, and the battery is difficult to find in time when the battery is leaked and packaged, so that the battery fails. 3. The flatness of the plane mould is not easy to identify, and the plane mould needs to be regularly detected every day, thereby wasting time and labor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a battery packaging mould and have its packaging hardware.

The utility model provides a battery packaging mold, includes relative last mould and the lower mould that sets up, be equipped with upper cover and low head on going up the relative face of mould and lower mould respectively, the upper cover has the first surface towards the low head, the low head has the second surface that opposes with the first surface mutually, first surface and second surface form the wave curved surface that matches each other.

Furthermore, the first surface and the second surface are respectively provided with a first protrusion and a second protrusion, the first surface is provided with a first recess matched with the second protrusion, and the second surface is provided with a second recess matched with the first protrusion.

Furthermore, the cross sections of the first protrusion and the second protrusion are arc-shaped.

Furthermore, the cross sections of the first protrusion and the second protrusion are both trapezoidal.

Further, the first protrusion and the second protrusion are equal in size.

A battery packaging device comprises the battery packaging mold, a driving mechanism used for driving the upper mold and the lower mold to be close to or separated from each other, and a heating mechanism used for heating the upper end enclosure and the lower end enclosure.

Further, heating mechanism includes first heating member and second heating member, first heating member and second heating member set up respectively in last mould and bed die.

Further, the driving mechanism is a motor or an air cylinder.

Furthermore, a positioning groove for placing the battery cell is arranged on one side, close to the lower end enclosure, of the lower die.

Compared with the prior art, the beneficial effects of the utility model are that: the surfaces of the upper end enclosure and the lower end enclosure are arranged into wave-shaped curved surfaces, and the aluminum plastic film subjected to heat sealing on one side is wave-shaped, so that the packaged and unpackaged battery cells can be visually and quickly distinguished, and the packaging leakage is avoided; on the other hand, the corrugated end socket does not need to detect the flatness of the die every day, and the use is more convenient. The utility model discloses an application range is wide, and is applicable in the hot-seal packing of all plastic-aluminum membrane packing, has good market prospect.

Drawings

Fig. 1 is a schematic structural view of the battery packaging mold of the present invention.

Fig. 2 is a schematic structural diagram of the battery packaging apparatus of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

As shown in fig. 1, the utility model discloses a battery packaging mold, it mainly includes mould 1 and lower mould 2, goes up mould 1 and lower mould 2 and adopts the metal to make, and both relative settings from top to bottom, and can be close to each other or separate. The upper die 1 and the lower die 2 are respectively provided with an upper seal head 3 and a lower seal head 4 for heat sealing the battery aluminum plastic film, wherein the upper seal head 3 is provided with a first surface 5 facing the lower seal head 4, the lower seal head 4 is provided with a second surface 6 opposite to the first surface 5, and the first surface 5 and the second surface 6 are both formed into wave-shaped curved surfaces matched with each other. When the upper die 1 and the lower die 2 are close to each other, the first surface 5 is abutted against the second surface 6, thereby heat-sealing the battery aluminum plastic film into a wave shape.

Specifically, first surface 5 and second surface 6 are equipped with first arch 7 and second arch 8 respectively, first surface 5 is equipped with the protruding 8 assorted first sunken 9 of second, second surface 6 is equipped with the protruding 7 assorted second sunken 10 of first, the protruding 8 shape size phase-match of first arch 7 and second, be close to each other when cope match-die 1 and lower mould 2, first arch 7 stretches into the second sunken 10, the protruding 8 of second stretches into first sunken 9 to press from both sides tightly and heat pressing into the wave shape with battery plastic-aluminum membrane.

It should be noted that, in this embodiment, the cross sections of the first protrusion 7 and the second protrusion 8 are both circular arc-shaped, and in other embodiments, the cross sections of the first protrusion 7 and the second protrusion 8 may be trapezoidal.

Referring to fig. 2, the present invention also discloses a battery packaging apparatus, which includes the battery packaging mold, a driving mechanism 11, and a heating mechanism 12. The driving mechanism 11 may be a motor or a cylinder, and an output end thereof is connected to one of the upper mold 1 and the lower mold 2 to drive the upper mold 1 and the lower mold 2 to approach or separate from each other. The heating mechanism 12 is used for heating the upper end enclosure 3 and the lower end enclosure 4 and comprises a first heating element 13 and a second heating element 14, wherein the first heating element 13 is arranged at the position of the upper die 1 close to the upper end enclosure 3, and the second heating element 14 is arranged at the position of the lower die 2 close to the lower end enclosure 4. The first heating member 13 and the second heating member 14 may be implemented by a conventional electric heating device.

In order to fix the battery core better, a positioning groove 15 for placing the battery core is arranged on one side of the upper surface of the lower die 2 close to the lower end socket 4, and the shape and the size of the positioning groove 15 are matched with those of the battery core.

In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. The utility model provides a battery packaging mold, includes relative last mould and the lower mould that sets up, be equipped with upper cover and low head on going up the relative face of mould and lower mould respectively, the upper cover has the first surface towards the low head, the low head has the second surface that opposes with the first surface, its characterized in that, first surface and second surface form the wave curved surface that matches each other.

2. The battery packaging mold according to claim 1, wherein the first surface and the second surface are respectively provided with a first protrusion and a second protrusion, the first surface is provided with a first recess matching with the second protrusion, and the second surface is provided with a second recess matching with the first protrusion.

3. The battery packaging mold of claim 2, wherein the first protrusion and the second protrusion are circular arc-shaped in cross section.

4. The battery packaging mold of claim 2, wherein the first protrusion and the second protrusion are each trapezoidal in cross-section.

5. The battery packaging mold of claim 3 or 4, wherein the first protrusion and the second protrusion are equal in size.

6. A battery packaging apparatus comprising the battery packaging mold according to claim 5, a driving mechanism for driving the upper and lower molds to approach or separate from each other, and a heating mechanism for heating the upper and lower headers.

7. The battery packaging apparatus of claim 6, wherein the heating mechanism comprises a first heating member and a second heating member, the first heating member and the second heating member being disposed in the upper mold and the lower mold, respectively.

8. The battery packaging apparatus of claim 6, wherein the driving mechanism is a motor or a cylinder.

9. The battery packaging apparatus according to claim 7 or 8, wherein a positioning groove for placing a battery cell is provided on one side of the lower mold close to the lower end enclosure.