CN209282330U - Lithium battery coiling core and winding device - Google Patents
Lithium battery coiling core and winding device Download PDFInfo
- Publication number
- CN209282330U CN209282330U CN201920272518.9U CN201920272518U CN209282330U CN 209282330 U CN209282330 U CN 209282330U CN 201920272518 U CN201920272518 U CN 201920272518U CN 209282330 U CN209282330 U CN 209282330U
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- Prior art keywords
- lithium battery
- battery coiling
- coiling core
- length
- width
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model provides a kind of lithium battery coiling core and winding device.The lithium battery coiling core includes: first volume needle, with winder and in the horizontal direction from the extension of winder extension, winder has the first length in the horizontal direction, and there is the first width in the vertical direction, extension has the second length in the horizontal direction, and has the second width in the vertical direction；And volume Two needle, it is oppositely arranged with first volume needle, is bonded the structure for contacting and having with first volume needle axisymmetricly.First width is greater than the second width, and the width of the web according to processing, and the first length is configured to twice no more than the second length.Lithium battery coiling core experience lightweight provided by the utility model improves, and reduces weight, reduces rotatory inertia, convenient for control revolving speed, can be improved battery core quality.
Description
Technical field
The utility model relates to technical field of lithium batteries more particularly to a kind of lithium battery coiling core and a kind of lithium battery coiling to install around
It sets.
Background technique
As electronics industry continues to develop, the rechargeable battery of portable charging apparatus and large capacity has become future development
Trend.Lithium ion battery has the characteristics that energy storage density height and long service life, thus is widely used in every field.
Lithium ion battery can be mainly divided into winding and two kinds of lamination according to manufacturing process.Winding process be by anode strip,
Isolation film and cathode sheets wind the operation to form battery core using up- coiler after stacking gradually, have it is easy to operate, equipment cost is low,
The advantages that high production efficiency.
However, since the core size of winding device is big, weight is big, in rotary operation when making ultra-wide battery
It is difficult to control revolving speed, the battery core after winding is easy to appear poor quality.
Utility model content
The utility model is to propose in view of the above problems, and its purpose is to provide a kind of lithium battery coiling cores and a kind of lithium
Coiling apparatus for battery.
The one side of the utility model provides a kind of lithium battery coiling core comprising: first volume needle has winder and edge
The extension that horizontal direction extends from winder, winder have the first length in the horizontal direction and have in the vertical direction
There is the first width, extension has the second length in the horizontal direction and has the second width in the vertical direction；And the
The needles of volume two are oppositely arranged with first volume needle, are bonded the structure for contacting and having with first volume needle axisymmetricly, wherein first
Width is greater than the second width, and the width of the web according to processing, and the first length is configured to two no more than the second length
Times.
Preferably, the first length can be 1~1.5 times of the second length.
Preferably, the first width can be at least three times of the second width.
Preferably, the lithium battery coiling core can also include: the first mounting portion and the second mounting portion, be separately positioned on first
Roll up one end opposite with extension of the winder of needle and volume Two needle.
Preferably, each of the first mounting portion and the second mounting portion can be chip shape and can have than extending
The short length in portion.
Preferably, first distance can be separated between the first mounting portion and the second mounting portion.
Preferably, outer surface in each of the first mounting portion and the second mounting portion can be than the outer surface of extension
Binding face closer between first volume needle and volume Two needle.
Preferably, described one end of winder in each of first volume needle and volume Two needle can have towards extension
Inclined slope surface.
Preferably, the tilt angle of inclined slope surface can be 60 ° to 45 °.
The another aspect of the utility model provides a kind of lithium battery coiling winding apparatus comprising lithium battery coiling core above-mentioned with
And it is respectively used to transmit cathode web to the lithium battery coiling core, the first deflector roll of isolation film web and anode web, second leads
Roller and third deflector roll.
Lithium battery coiling core experience lightweight provided by the utility model improves, and reduces weight, reduces rotatory inertia, just
In control revolving speed.By using lithium battery coiling winding apparatus provided by the utility model, battery enterprise electricity produced can be improved
The quality of core.
Detailed description of the invention
By describing exemplary embodiment in detail with reference to the accompanying drawing, the above and other purpose of the utility model and excellent
Point will become clearer and be readily appreciated that.In the accompanying drawings, unless otherwise stated, the instruction of identical appended drawing reference is identical
Element.
Fig. 1 shows the schematic diagram of the lithium battery coiling core of the prior art.
Fig. 2 shows the schematic diagrames of the lithium battery coiling core of the embodiments of the present invention.
Fig. 3 shows the schematic diagram of the lithium battery coiling winding apparatus including lithium battery coiling core of the embodiments of the present invention.
Specific embodiment
Hereinafter, the embodiments of the present invention be will be described in detail with reference to accompanying drawings.In the accompanying drawings, concise in order to clear
Ground shows main element related with the technical concept of utility model, can exaggerate the shape of element, and can be omitted secondary
Element is unclear to avoid describing.In the whole instruction attached drawing, identical appended drawing reference indicates identical element always.
Fig. 1 shows the schematic diagram of the lithium battery coiling core of the prior art.Referring to Fig.1, the lithium battery coiling core 1 of the prior art wraps
Include first volume needle 10 and volume Two needle 20.First volume needle 10 has winder 11 and prolongs in the horizontal direction from what winder 11 extended
Extending portion 12.For being wound to the web including anode strip, isolation film and cathode sheets, extension 12 is used for winder 11
On the winder by the installation of lithium battery coiling core 1.As shown in Figure 1, winder 11 in the horizontal direction have the first length L1 and
There is the first width W1 in the vertical direction.Extension 12 has the second length L2 and in the vertical direction in the horizontal direction
With the second width W2.Volume Two needle 20 is oppositely arranged with first volume needle 10, is bonded to contact and have with first volume needle 10
Axisymmetric structure.
According to above structure, lithium battery coiling core 1 can be used for being wound general web, that is, no matter the width of web
Lithium battery coiling core 1 how can be used to be wound.The weight that this will lead to single lithium battery coiling core 1 only is big, winding battery
When rotatory inertia it is big, inconvenience control revolving speed, be easy to cause the battery core quality of production bad.
Fig. 2 shows the schematic diagrames of the lithium battery coiling core of the embodiments of the present invention.
Referring to Fig. 2, the lithium battery coiling core 2 of embodiment according to the present utility model includes first volume needle 100 and volume Two needle
200.The extension 102 that first volume needle 100 has winder 101 and extends in the horizontal direction from winder 101.As shown in Fig. 2,
Winder 101 is in the horizontal direction with the first length L10 and in the vertical direction with the first width W10.Extension 102
In the horizontal direction with the second length L20 and in the vertical direction with the second width W20.Volume Two needle 200 and first
Volume needle 100 is oppositely arranged, is bonded the structure for contacting and having with first volume needle 100 axisymmetricly, wherein the first width W10
Greater than the second width W20, and the width of the web according to processing, the first length L10 are configured to be no more than the second length L20
Twice.
Pass through comparison diagram 1 and Fig. 2, it can be seen that the length of the winder of the lithium battery coiling core 2 of the embodiments of the present invention
Degree is shorter than the length of the winder of the lithium battery coiling core 1 of the prior art, and the length of its extension is than the lithium battery of the prior art
The length of the extension of core 1 is long.By such improvement, the weight of lithium battery coiling core 2 can be reduced, reduces rotatory inertia,
In order to control revolving speed, so as to improve battery core quality.
Hereinafter, by conjunction with attached drawing 2 come the lithium battery coiling core 2 of embodiment according to the present utility model is described in detail can be with
The various structures having.
Referring to Fig. 2, in one embodiment, the first length L10 can be 1~1.5 times of the second length L20.For example, the
One length L10 can be equal to the second length L20.According to technical concept, in the case where the overall length of core is constant, first is long
Degree is longer, then the second length is shorter, and manageable web is wider, but the light weight effect of core is also smaller.On the contrary, the
One length is shorter, then the second length is longer, and manageable web is narrower, but the light weight effect of core is more obvious.The
The specific value and ratio of one length and the second length, can be according to the web size of actual treatment, by those skilled in the art
Unrestricted choice.
In one embodiment, the first width W10 can be at least three times of the second width W20.Since extension 102 is used
It is installed on up- coiler in by lithium battery coiling core 2, so the first width W10 and can be designed according to the corresponding size of up- coiler
Two width W20.
In one embodiment, the lithium battery coiling core 2 of the utility model can also include the first mounting portion 103 and the second peace
Dress portion 203.First mounting portion 103 and the second mounting portion 203 can be separately positioned on first volume needle 100 and volume Two needle 200
One end opposite with extension 102 and 202 of winder 101 and 201.It is identical as extension 102 and 202, the first mounting portion 103
It is also used for for lithium battery coiling core 2 being installed on up- coiler with the second mounting portion 203.
Specifically, referring to Fig. 2, in the present embodiment, each of the first mounting portion 103 and the second mounting portion 203 can be with
For chip shape and it can have the length shorter than extension 102 and 202.More specifically, the first mounting portion 103 and the second peace
First distance D can be separated between dress portion 203.The outer surface 103s of first mounting portion 103 and the second mounting portion 203 and
203s can be respectively than the outer surface 102s and 202s of extension 102 and 202 closer to first volume needle 100 and volume Two needle
Binding face between 200.The value of first distance D can be designed, according to the size of the corresponding component of up- coiler so that lithium is electric
Pond core 2 is inserted and removed from from up- coiler.
Referring still to Fig. 2, in one embodiment, winder in each of first volume needle 100 and volume Two needle 200
101 and 201 described one end can have towards the inclined slope surface f of extension 102 and 202.Specifically, inclined slope surface f
Tilt angle theta can be 60 ° to 45 °.
According to above structure, lithium battery coiling core 2 provided by the utility model undergoes lightweight to improve, and can reduce weight,
Reduce rotatory inertia, convenient for control revolving speed.
Hereinafter, by conjunction with Fig. 2 and Fig. 3 come describe include embodiment according to the present utility model lithium battery coiling core
Lithium battery coiling winding apparatus.
Fig. 3 shows the schematic diagram of the lithium battery coiling winding apparatus including lithium battery coiling core of the embodiments of the present invention.
Referring to Fig. 3, the lithium battery coiling winding apparatus of embodiment according to the present utility model includes shown in Figure 2 practical new
The lithium battery coiling core 2 of the embodiment of type and be respectively used to transmission cathode web H, isolation film web M and anode web N first
Deflector roll 3, the second deflector roll 4 and third deflector roll 5.When executing winding process, cathode web H, isolation film web M and anode web N
It can be wound, be ultimately formed by lithium battery coiling core 2 under the guidance of the first deflector roll 3, the second deflector roll 4 and third deflector roll 5
Battery core including cathode sheets, anode strip and isolation film.
As described above, can be improved battery by using the lithium battery coiling winding apparatus of embodiment according to the present utility model
The quality of enterprise's battery core produced.
Although exemplary embodiment is described herein, the utility model is not limited to above-mentioned embodiment,
But the more broad range of the claim by providing and various apparent modifications are limited with equivalent arrangements.
Claims (10)
1. a kind of lithium battery coiling core characterized by comprising
First volume needle, with winder and in the horizontal direction from the extension of winder extension, winder has in the horizontal direction
There is the first length and there is the first width in the vertical direction, extension has the second length and in the horizontal direction perpendicular
Histogram has the second width upwards；And
Volume Two needle is oppositely arranged with first volume needle, is bonded the structure for contacting and having with first volume needle axisymmetricly,
Wherein, the first width is greater than the second width, and the width of the web according to processing, the first length are configured to be no more than
Twice of second length.
2. lithium battery coiling core according to claim 1, which is characterized in that the first length is 1~1.5 times of the second length.
3. lithium battery coiling core according to claim 1, which is characterized in that the first width is at least three times of the second width.
4. lithium battery coiling core according to claim 1, which is characterized in that the lithium battery coiling core further include: the first installation
Portion and the second mounting portion are separately positioned on one end opposite with extension of the winder of first volume needle and volume Two needle.
5. lithium battery coiling core according to claim 4, which is characterized in that each of the first mounting portion and the second mounting portion
For chip shape and there is the length shorter than extension.
6. lithium battery coiling core according to claim 5, which is characterized in that separate between the first mounting portion and the second mounting portion
Open first distance.
7. lithium battery coiling core according to claim 5, which is characterized in that each of the first mounting portion and the second mounting portion
Outer surface than extension outer surface closer to the binding face between first volume needle and volume Two needle.
8. lithium battery coiling core according to claim 4, which is characterized in that rolled up in each of first volume needle and volume Two needle
Described one end around portion has towards the inclined slope surface of extension.
9. lithium battery coiling core according to claim 8, which is characterized in that the tilt angle of inclined slope surface be 60 ° extremely
45°。
10. a kind of lithium battery coiling winding apparatus characterized by comprising
Lithium battery coiling core according to claim 1；And
It is respectively used to the first deflector roll to lithium battery coiling core transmission cathode web, isolation film web and anode web, second
Deflector roll and third deflector roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920272518.9U CN209282330U (en) | 2019-03-04 | 2019-03-04 | Lithium battery coiling core and winding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920272518.9U CN209282330U (en) | 2019-03-04 | 2019-03-04 | Lithium battery coiling core and winding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209282330U true CN209282330U (en) | 2019-08-20 |
Family
ID=67606451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920272518.9U Active CN209282330U (en) | 2019-03-04 | 2019-03-04 | Lithium battery coiling core and winding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209282330U (en) |
-
2019
- 2019-03-04 CN CN201920272518.9U patent/CN209282330U/en active Active
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