CN210668430U - Coating plate for coating hot melt adhesive of battery - Google Patents

Coating plate for coating hot melt adhesive of battery Download PDF

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Publication number
CN210668430U
CN210668430U CN201921643969.5U CN201921643969U CN210668430U CN 210668430 U CN210668430 U CN 210668430U CN 201921643969 U CN201921643969 U CN 201921643969U CN 210668430 U CN210668430 U CN 210668430U
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China
Prior art keywords
coating
battery
hot melt
melt adhesive
plate
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CN201921643969.5U
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Inventor
黎学贤
韩冰
冯宇
纪荣进
郑明清
陈杰
杨山
李载波
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Huizhou Liwinon Energy Technology Co Ltd
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Huizhou Liwinon Energy Technology Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

The utility model belongs to the technical field of battery production, concretely relates to coating board that battery hot melt adhesive coating was used, be in including plate body (1) and setting recess (2) of plate body (1) broadside, the concave surface of plate body (1) is corresponding with pole piece (31) of electric core (3), the plane of plate body (1) is corresponding with utmost point ear (4), the internally mounted of plate body (1) has temperature controller (5), temperature controller (5) are used for control the temperature of recess (2). The utility model discloses can increase the rubberizing area of hot melt adhesive, simultaneously, the thickness of control rubberizing is favorable to reducing the thickness of battery to improve the space utilization of battery, and then improve the energy density of battery.

Description

Coating plate for coating hot melt adhesive of battery
Technical Field
The utility model belongs to the technical field of battery production, concretely relates to scribble board that battery hot melt adhesive coating was used.
Background
Nowadays, green, high-efficiency secondary batteries are vigorously developed in various countries. The lithium ion battery as a novel secondary battery has the advantages of large energy density and power density, high working voltage, light weight, small volume, long cycle life, good safety, environmental protection and the like, and has wide application prospect in the aspects of portable electric appliances, electric tools, large-scale energy storage, electric traffic power supplies and the like. After preparing naked electric core, need paste the one deck hot melt adhesive on naked electric core, reduce to fall the influence that causes the electric core.
Utility model people find that the rubberizing is realized to a certain extent to current scheme, but this kind of scheme still has following defect at least: firstly, the area of the adhesive is small, so that the influence of falling on the battery cell is increased; secondly, the thickness of the adhesive tape is difficult to control, so that the battery core is too thick, and the space utilization rate of the battery is not improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: to prior art's not enough, provide a masking tape that battery hot melt adhesive coating was used, can increase the rubberizing area of hot melt adhesive, simultaneously, the thickness of control rubberizing is favorable to reducing the thickness of battery to improve the space utilization of battery, and then improve the energy density of battery.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a coating plate that battery hot melt adhesive coating was used, includes the plate body and sets up the recess of plate body broadside, the concave surface of plate body is corresponding with the pole piece of electric core, the plane of plate body is corresponding with utmost point ear, the internally mounted of plate body has the temperature controller, the temperature controller is used for control the temperature of recess.
As an improvement of the coating plate for coating the hot melt adhesive on the battery, the end part of the groove is arranged around the welding end of the pole lug.
As an improvement of the coating plate for coating the hot melt adhesive on the battery, the area of the plate body is larger than that of the battery core.
As an improvement of the coating plate for coating the hot melt adhesive on the battery, the depth of the groove is less than the thickness of the battery core.
As an improvement of a coating plate for coating the hot melt adhesive on the battery, the surface of the groove is provided with an anti-sticking layer.
As an improvement of a coating plate for coating the hot melt adhesive on the battery, the bottom of the groove is provided with a metal sheet, and the temperature controller is connected with the metal sheet.
As an improvement of the coating plate for coating the hot melt adhesive on the battery, the groove is square, circular or elliptical.
As an improvement of a coating plate for coating the hot melt adhesive on the battery, the coating plate further comprises a controller, and the controller is connected with the temperature controller.
The beneficial effects of the utility model reside in that, the utility model discloses a plate body and setting are in the recess of the wide face of plate body, the concave surface of plate body is corresponding with the pole piece of electric core, the plane of plate body is corresponding with utmost point ear, the internally mounted of plate body has the temperature controller, the temperature controller is used for control the temperature of recess. After a naked electric core is prepared, a layer of hot melt adhesive needs to be pasted on the naked electric core, the influence of falling on the electric core is reduced, but the area of the pasting adhesive is small, the influence of falling on the electric core is increased, the thickness of the pasting adhesive is difficult to control, the electric core is too thick, and the space utilization rate of a battery is not favorably improved; the temperature controller is arranged in the plate body, the temperature of the groove can be reduced, the battery cell is placed, and the hot melt adhesive is solidified and adhered to the battery cell in the slow cooling process; compare and directly spout gluey to electric core, adopt the supplementary rubberizing of coating plate, can improve the precision of rubberizing to through changing the coating plate, help improving the area of rubberizing, reduce and fall the influence that causes electric core, the area and the shape of rubberizing can be adjusted according to the actual size and the height of battery. Wherein, the temperature controller is equipped with cooling tube, radiator fan and temperature collector, can control the cooling tube, realizes the temperature of control recess to the temperature of control hot melt adhesive. The utility model discloses can increase the rubberizing area of hot melt adhesive, simultaneously, the thickness of control rubberizing is favorable to reducing the thickness of battery to improve the space utilization of battery, and then improve the energy density of battery.
Drawings
Fig. 1 is a schematic structural view of the coating plate of the present invention.
Fig. 2 is the utility model discloses schematic diagram around the electric core rubber coating.
Wherein: 1-a plate body; 2-a groove; 3-electric core; 4-pole ear; 5-temperature controller; 21-a metal sheet; 22-an anti-sticking layer; 31-pole piece.
Detailed Description
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "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 simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail with reference to fig. 1 to 2, but the present invention is not limited thereto.
Example 1
The utility model provides a coating plate that battery hot melt adhesive coating was used, includes plate body 1 and sets up at the recess 2 of 1 broad face of plate body, and the concave surface of plate body 1 is corresponding with the pole piece 31 of electric core 3, and the plane of plate body 1 is corresponding with utmost point ear 4, and the internally mounted of plate body 1 has temperature controller 5, and temperature controller 5 is used for controlling the temperature of recess 2. Because after the naked electric core 3 is prepared, a layer of hot melt adhesive needs to be pasted on the naked electric core 3, the influence of falling on the electric core 3 is reduced, but the area of the pasting adhesive is small, the influence of falling on the electric core 3 is increased, and the thickness of the pasting adhesive is difficult to control, so that the electric core 3 is too thick, the space utilization rate of the battery is not favorably improved, therefore, on the pasting plate, a concave surface corresponding to the pole piece 31 is arranged, a plane corresponding to the pole lug 4 is arranged, the groove 2 can be directly contacted with the pole piece 31 of the electric core 3, the hot melt adhesive in the groove 2 is convenient to be pasted on the pole piece 31, meanwhile, the thickness of the position of the pole lug 4 is large, so that the position of the pole lug 4 is avoided, the position of the pole lug 4 corresponds to the plane of the plate body 1, the function of supporting the pole lug 4 is achieved, the hot melt; the temperature controller 5 is arranged in the plate body 1, the temperature of the groove 2 can be reduced, the electric core 3 is placed, and the hot melt adhesive is solidified and adhered to the electric core 3 in the slow cooling process; compare and directly spout gluey to electric core 3, adopt the supplementary rubberizing of coating plate, can improve the precision of rubberizing to through changing the coating plate, help improving the area of rubberizing, reduce and fall the influence that causes electric core 3, in this embodiment, the area and the shape of rubberizing can be adjusted according to the actual size and the height of battery. Wherein, temperature controller 5 is equipped with cooling tube, radiator fan and temperature collector, can control the cooling tube, realizes the temperature of control recess 2 to the temperature of control hot melt adhesive.
Preferably, the end of the groove 2 is disposed around the welding end of the tab 4. Because the thickness of the position of utmost point ear 4 is great, the tip of recess 2 sets up around the welding end of utmost point ear 4, prevents that hot melt adhesive from flowing near the position of utmost point ear 4, leads to electric core 3 excessively thick.
Preferably, the area of the plate body 1 is larger than that of the battery cell 3. Because some electricity core 3 are not smooth, the centre is thicker, the edge is thinner, and the area of plate body 1 is greater than the area of electricity core 3, reserves the position for electricity core 3, plays and supports electricity core 3 edge, prevents that electricity core 3 from taking place to shift at the pressurized in-process.
Preferably, the depth of the groove 2 is smaller than the thickness of the battery cell 3. The degree of depth of recess 2 is less than electric core 3's thickness, and the design plays the effect of injecing electric core 3 like this, prevents that recess 2's degree of depth is too big simultaneously, influences plate body 1's whole radian, is unfavorable for reduction in production cost, can also be through control recess 2's degree of depth to the thickness of control hot melt adhesive helps improving the energy density of battery, thereby improves the quality of battery.
Preferably, the shape of the groove 2 is square, circular or oval. The shape of the groove 2 may be designed to be square, circular or elliptical according to the shape of an actual battery and the use environment.
Preferably, the coating plate further comprises a controller, and the controller is connected with the temperature controller 5. Increase the controller, be convenient for control the parameter of temperature controller 5, improve the automation level of temperature controller 5, controller cooperation temperature controller 5 simultaneously can realize long-range or mobile terminal control temperature controller 5, helps improving user experience, and wherein, the controller is PLC controller or singlechip, is the model that can directly purchase on the market and obtain.
The utility model discloses a theory of operation is:
because after preparing naked electric core 3, need to paste a layer of hot melt adhesive on naked electric core, reduce and fall the influence that causes electric core 3, but the area of rubberizing is less, increased and fallen the influence that causes electric core 3, and the thickness of rubberizing is difficult to control, lead to electric core 3 excessively thick, be unfavorable for improving the space utilization of battery, therefore, on the coating plate, set up the concave surface corresponding with pole piece 31, the plane corresponding with utmost point ear 4, recess 2 can be with pole piece 31 direct contact of electric core 3, be convenient for glue the hot melt adhesive in the recess 2 on pole piece 31, simultaneously, because the thickness of the position of utmost point ear 4 is great, so avoid the position of utmost point ear 4, the position of utmost point ear 4 corresponds to the plane of plate body 1, play the effect of supporting utmost point ear 4, can also restrict the hot melt adhesive and flow to near the position of utmost point ear 4, lead to electric core 3 excessively thick; the temperature controller 5 is arranged in the plate body 1, so that the temperature of the groove 2 can be reduced, and the hot melt adhesive is solidified and adhered to the electric core 3 when the electric core 3 is placed and slowly cooled; compare and directly spout gluey to electric core 3, adopt the supplementary rubberizing of coating plate, can improve the precision of rubberizing to through changing the coating plate, improve the area that helps improving the rubberizing, reduce and fall the influence that causes electric core 3, the area and the shape of rubberizing can be adjusted according to the actual size and the height of battery.
In addition, the invention also discloses a battery hot melt adhesive coating method, which comprises the following steps:
step one, preparing a coating plate with a groove 2, ensuring that the concave surface of the coating plate corresponds to a pole piece 31 and the plane of the coating plate corresponds to a pole lug 4;
horizontally placing a coating plate, and uniformly coating hot melt adhesive in the groove 2;
step three, placing the battery core 3 on a coating plate, applying preset pressure to the battery core 3 and the coating plate, and simultaneously gradually reducing the temperature of the coating plate through a temperature controller 5, so that the hot melt adhesive is solidified and adhered to the battery core 3, separating the coating plate, and finishing adhesive pasting.
It should be noted that, in the coating method of the present invention, in the first step, by preparing the grooves 2 with different shapes and different depths, the thickness of the hot melt adhesive and the thickness of the electrical core 3 can be effectively reduced, the area of the adhesive can be increased, the size of the coating plate can be changed according to different types of the electrical core 3, in addition, by changing the depth of the groove 2, the thickness of the adhesive can be adjusted, compared with directly spraying the adhesive to the electrical core 3, the accuracy of the adhesive can be improved, and by changing the coating plate, the area of the adhesive can be improved, and the influence of falling on the electrical core 3 can be reduced; in the second step, the coating plate is horizontally placed, so that the non-uniform distribution of the hot melt adhesive in the groove 2 can be avoided, the coating efficiency of the hot melt adhesive can be improved by the coating device, and in order to improve the efficiency of coating the hot melt adhesive, the coating device can be used for coating, but uniform coating needs to be ensured; in the third step, can adopt pneumatic press clamp plate to exert preset pressure to electric core 3 and coating plate, reduce the temperature of coating plate gradually through temperature controller 5 simultaneously for the hot melt adhesive solidification is glued and is pasted on electric core 3, and the hot melt adhesive is scribbled to the completion at electric core 3 in the last separation rubber coating.
Preferably, the electric core 3 is pre-hot-pressed, so that the hot melt adhesive of the electric core 3 is bonded with the aluminum plastic film. Because the hot melt adhesive is solidified and adhered to the battery cell 3, the hot melt adhesive is adhered to the aluminum plastic film after being pre-hot-pressed, the distance between the battery cell 3 and the aluminum plastic film is favorably reduced, and meanwhile, the influence of falling on the battery cell 3 is reduced.
Example 2
The difference from example 1 is: the surface of the groove 2 of this embodiment is provided with an anti-sticking layer 22, the bottom of the groove 2 is provided with a metal sheet 21, and the temperature controller 5 is connected with the metal sheet 21. The anti-sticking layer 22 can prevent the hot melt adhesive from sticking the coating plate, and is beneficial to quickly separating the coating plate from the hot melt adhesive, so that the battery rubberizing efficiency is improved; because the radiating effect of sheetmetal 21 is better, and the cost is lower simultaneously, sheetmetal 21 can reduce the temperature of 2 hot melt adhesives of recess to the realization is glued the hot melt adhesive solidification and is glued on electric core 3.
The other structures are the same as those of embodiment 1, and are not described again here.
Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (8)

1. The coating plate for coating the hot melt adhesive of the battery is characterized in that: the battery plate comprises a plate body (1) and a groove (2) formed in the wide surface of the plate body (1), wherein the concave surface of the plate body (1) corresponds to a pole piece (31) of a battery core (3), the plane of the plate body (1) corresponds to a pole lug (4), a temperature controller (5) is arranged inside the plate body (1), and the temperature controller (5) is used for controlling the temperature of the groove (2).
2. The coating plate for coating the hot melt adhesive of the battery as claimed in claim 1, wherein: the end parts of the grooves (2) are arranged around the welding ends of the tabs (4).
3. The coating plate for coating the hot melt adhesive of the battery as claimed in claim 1, wherein: the area of the plate body (1) is larger than that of the battery cell (3).
4. The coating plate for coating the hot melt adhesive of the battery as claimed in claim 1, wherein: the depth of the groove (2) is smaller than the thickness of the battery cell (3).
5. The coating plate for coating the hot melt adhesive of the battery as claimed in claim 1, wherein: the surface of the groove (2) is provided with an anti-sticking layer (22).
6. The coating plate for coating the hot melt adhesive of the battery as claimed in claim 1, wherein: the bottom of the groove (2) is provided with a metal sheet (21), and the temperature controller (5) is connected with the metal sheet (21).
7. The coating plate for coating the hot melt adhesive of the battery as claimed in claim 1, wherein: the shape of the groove (2) is square, round or oval.
8. The coating plate for coating the hot melt adhesive of the battery as claimed in claim 1, wherein: the coating plate also comprises a controller, and the controller is connected with the temperature controller (5).
CN201921643969.5U 2019-09-29 2019-09-29 Coating plate for coating hot melt adhesive of battery Active CN210668430U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921643969.5U CN210668430U (en) 2019-09-29 2019-09-29 Coating plate for coating hot melt adhesive of battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921643969.5U CN210668430U (en) 2019-09-29 2019-09-29 Coating plate for coating hot melt adhesive of battery

Publications (1)

Publication Number Publication Date
CN210668430U true CN210668430U (en) 2020-06-02

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ID=70813205

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Application Number Title Priority Date Filing Date
CN201921643969.5U Active CN210668430U (en) 2019-09-29 2019-09-29 Coating plate for coating hot melt adhesive of battery

Country Status (1)

Country Link
CN (1) CN210668430U (en)

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