CN207293706U - A kind of lithium ion battery separator tension-adjusting gear - Google Patents
A kind of lithium ion battery separator tension-adjusting gear Download PDFInfo
- Publication number
- CN207293706U CN207293706U CN201721358000.4U CN201721358000U CN207293706U CN 207293706 U CN207293706 U CN 207293706U CN 201721358000 U CN201721358000 U CN 201721358000U CN 207293706 U CN207293706 U CN 207293706U
- Authority
- CN
- China
- Prior art keywords
- dancer
- roller
- membrane
- live
- slide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 24
- 239000012528 membrane Substances 0.000 claims abstract description 62
- 230000006835 compression Effects 0.000 claims abstract description 30
- 238000007906 compression Methods 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000007667 floating Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 230000001788 irregular Effects 0.000 description 3
- 238000009831 deintercalation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
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- Cell Separators (AREA)
Abstract
The utility model discloses a kind of lithium ion battery separator tension-adjusting gear, including the first live-roller, the second live-roller and dancer system；The dancer system includes a pair of of slide and a pair of of dancer, the pair of slide is arranged in parallel, the slip that is parallel to each other of the pair of dancer is located on the slide, and the dancer is perpendicular to the slide, the roll shaft of the pair of dancer is connected with compression spring between being located at the end of the same side；First live-roller, dancer system, the second live-roller are set gradually along the transmission direction of membrane, and first live-roller and the second live-roller are located at the same side of membrane, and the dancer system is located at the opposite side of membrane.The utility model can effectively avoid lithium ion battery separator from occurring overtension in transmitting procedure and break membrane or the too small situation for producing bag roller of tension force.
Description
Technical field
Lithium battery equipment technical field is the utility model is related to, particularly a kind of lithium ion battery separator tension adjustment dress
Put.
Background technology
Lithium ion battery is a kind of secondary cell (rechargeable battery), it relies primarily on lithium ion and moves between a positive electrode and a negative electrode
Move and carry out work.In charge and discharge process, lithium ion embedded and deintercalation back and forth between two electrodes；During charging, lithium ion is from just
Pole deintercalation, is embedded in anode, anode is in rich lithium state by electrolyte；It is then opposite during electric discharge.Battery is generally using first containing lithium
The material of element is the representative of modern high performance battery as electrode.
In the structure of lithium ion battery, membrane is one of crucial interior layer assembly.For lithium battery series, due to electrolysis
Liquid is organic solvent system, thus needs the diaphragm material of organic solvent-resistant, the general polyolefin for using high-strength thin-film
Perforated membrane.
Lithium battery diaphragm can be subject to some tension to act in transmitting procedure, if overtension may in transmitting procedure
Membrane can be broken, if tension force is too small, the situation of membrane bag roller may be produced, seriously affect the quality of lithium battery diaphragm, into
And the performance of lithium battery can be influenced.
Utility model content
To solve problems of the prior art, the purpose of this utility model is to provide a kind of lithium ion battery separator
Apparatus for adjusting force, the present apparatus can effectively avoid lithium ion battery separator occur in transmitting procedure overtension break membrane or
The too small situation for producing bag roller of power.
To achieve the above object, the technical solution adopted in the utility model is：A kind of lithium ion battery separator tension adjustment
Device, including the first live-roller, the second live-roller and dancer system；The dancer system includes a pair of of slide and a pair is floated
Dynamic roller, the pair of slide are arranged in parallel, and the slip that is parallel to each other of the pair of dancer is located on the slide, and described floating
For dynamic roller perpendicular to the slide, the roll shaft of the pair of dancer is connected with compression spring between being located at the end of the same side；Institute
The first live-roller, dancer system, the second live-roller is stated to set gradually along the transmission direction of membrane, and first live-roller and
Second live-roller is located at the same side of membrane, and the dancer system is located at the opposite side of membrane.
In the transmitting procedure of lithium ion battery separator, membrane successively by the first live-roller, two of dancer system
Dancer and the second live-roller, when membrane starts transmission, since the compression spring of setting makes two to float between two dancers
The distance between dynamic roller is larger, so as to increase the tension force of membrane surface, avoids the situation of membrane bag roller；When the transmission of membrane
Speed is increasing, and the tension force of membrane surface is also just increasing, and tension force effect will compress two floatings when on dancer
Roller is close to each other in slide, the distance between two dancers is diminished, so as to reduce the tension force of membrane surface, avoids
The situation that membrane is pulled off.
In the utility model, when the change of membrane surface tension force is acted on two dancers, make two dancers it
Between distance change achieve the purpose that change membrane surface Tensity size, so as to effectively avoid lithium ion battery separator
Occur overtension in transmitting procedure and break membrane or the too small situation for producing bag roller of tension force.
As further improvement of the utility model, the middle part of the slide is equipped with connecting rod, the roll shaft of the dancer
The compression spring is connected between the connecting rod.When membrane surface tension force change two dancers of ambassador are close to each other,
The connecting rod set in the middle part of slide makes two dancers be moved at the same time to middle part, avoids the roll shaft of two dancers in slide
Movement it is irregular, can so make compression spring be easier compressed so that the tension force of membrane surface is easier to make for adjusting.
As further improvement of the utility model, the compression spring is arranged in parallel with the slide.Work as membrane surface
When tension force changes, for the distance of two dancers in change procedure, the compression spring being arranged in parallel makes of membrane surface
Power energy mean effort makes the distance between two dancers be easier to change on dancer, so that membrane surface
Tension force is easier to make for adjusting.
As further improvement of the utility model, the both ends of the compression spring are equipped with the lantern ring, and the lantern ring is sheathed on
On the roll shaft and the connecting rod.The lantern ring is set at the both ends of compression spring, the lantern ring is sheathed on to roll shaft and the company of dancer
On extension bar, compression spring is set more easily to connect the roll shaft and connecting rod of two dancers.
As further improvement of the utility model, the roll shaft and connecting rod are equipped with limiting slot.Limiting slot is set, will
The lantern ring is placed in limiting slot, avoids two dancers in approach process, and transverse shifting occurs for compression spring, makes membrane surface
Tension force cannot uniformly act on dancer.
The beneficial effects of the utility model are：
1st, in the utility model, when the change of membrane surface tension force is acted on two dancers, two dancers are made
The distance between change achieve the purpose that change membrane surface Tensity size, so as to effectively avoid lithium ion battery every
Film occurs overtension in transmitting procedure and breaks membrane or the too small situation for producing bag roller of tension force.
2nd, the connecting rod set in the middle part of slide makes two dancers be moved at the same time to middle part, avoids the roller of two dancers
Movement of the axis in slide is irregular, can so make compression spring be easier to be compressed, so that the tension force of membrane surface more holds
Easily it is adjusted.
3rd, compress spring and slide is arranged in parallel, when membrane surface tension force changes, the distance of two dancers exists
In change procedure, the compression spring being arranged in parallel enables the tension force mean effort of membrane surface on dancer, makes two floatings
The distance between roller is easier to change, so that the tension force of membrane surface is easier to make for adjusting.
4th, the lantern ring that both ends of the spring is set is compressed, the lantern ring is sheathed on the roll shaft and connecting rod of dancer, makes compression bullet
Spring can more easily connect the roll shaft and connecting rod of two dancers.
5th, be provided with limiting slot in roll shaft and connecting rod, the lantern ring be placed in limiting slot, avoid two dancers by
In near procedure, transverse shifting occurs for compression spring, prevents the tension force of membrane surface from uniformly acting on dancer.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the structure diagram of the utility model embodiment dancer system；
Reference numeral：
1st, the first live-roller, the 2, second live-roller, 3, slide, 4, dancer, 5, compression spring, 6, roll shaft, 7, connecting rod,
8th, the lantern ring, 9, limiting slot, 10, membrane.
Embodiment
The embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment
In one of the embodiments, as depicted in figs. 1 and 2, a kind of lithium ion battery separator tension-adjusting gear, including
First live-roller 1, the second live-roller 2 and dancer system；The dancer system includes a pair of of slide 3 and a pair of of dancer 4,
The pair of slide 3 is arranged in parallel, and the slip that is parallel to each other of the pair of dancer 4 is located on the slide 3, and the floating
For roller 4 perpendicular to the slide 3, the roll shaft 6 of the pair of dancer 4 is connected with compression spring 5 between being located at the end of the same side；
First live-roller 1, dancer system, the second live-roller 2 are set gradually along the transmission direction of membrane 10, and described first passes
Dynamic 1 and second live-roller 2 of roller is located at the same side of membrane 10, and the dancer system is located at the opposite side of membrane 10.
In the transmitting procedure of lithium ion battery separator 10, membrane 10 is successively by first live-roller 1, dancer system
Two 4 and second live-rollers 2 of dancer, when membrane 10 starts transmission, due to the compression spring of setting between two dancers 4
5 make the distance between two dancers 4 larger, so as to increase the tension force on 10 surface of membrane, avoid the feelings of 10 bag roller of membrane
Shape；When the transmission speed of membrane 10 is increasing, the tension force on 10 surface of membrane is also just increasing, and tension force effect is in dancer 4
It is close to each other in slide 3 that two dancers 4 will be compressed when upper, the distance between two dancers 4 is diminished, so as to reduce
The tension force on 10 surface of membrane, avoids the situation that membrane 10 is pulled off.
In the utility model, when the change of 10 surface tension of membrane is acted on two dancers 4, make two dancers
The distance between 4 change to achieve the purpose that to change 10 surface tension size of membrane, so as to effectively avoid lithium-ion electric
Pond membrane 10 occurs overtension in transmitting procedure and breaks membrane 10 or the too small situation for producing bag roller of tension force.
In another embodiment, the middle part of the slide 3 is equipped with connecting rod 7, the roll shaft 6 of the dancer 4 and institute
State and the compression spring 5 is connected between connecting rod 7.When 10 surface tension of membrane change two dancers 4 of ambassador are close to each other,
The connecting rod 7 that the middle part of slide 3 is set makes two dancers 4 be moved at the same time to middle part, and the roll shaft 6 for avoiding two dancers 4 exists
Movement in slide 3 is irregular, can so make compression spring 5 be easier to be compressed, so that the tension force on 10 surface of membrane more holds
Easily it is adjusted.
In another embodiment, the compression spring 5 is arranged in parallel with the slide 3.When 10 surface tension of membrane
When changing, for the distance of two dancers 4 in change procedure, the compression spring 5 being arranged in parallel makes on 10 surface of membrane
The mean effort of power energy makes the distance between two dancers 4 be easier to change on dancer 4, so that 10 table of membrane
The tension force in face is easier to make for adjusting.
In another embodiment, the both ends of the compression spring 5 are equipped with the lantern ring 8, and the lantern ring 8 is sheathed on the roller
On axis 6 and the connecting rod 7.The lantern ring 8 is set at the both ends of compression spring 5, the lantern ring 8 is sheathed on the roll shaft 6 of dancer 4 and is connected
On extension bar 7, compression spring 5 is set more easily to connect the roll shaft 6 and connecting rod 7 of two dancers 4.
In another embodiment, the roll shaft 6 and connecting rod 7 are equipped with limiting slot 9.Limiting slot 9 is set, by the lantern ring
8 are placed in limiting slot 9, avoid two dancers 4 in approach process, and transverse shifting occurs for compression spring 5, makes 10 table of membrane
The tension force in face cannot be acted on uniformly on dancer 4.
Embodiment described above only expresses specific embodiment of the present utility model, its description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (5)
1. a kind of lithium ion battery separator tension-adjusting gear, it is characterised in that including the first live-roller, the second live-roller and float
Dynamic roller system；The dancer system includes a pair of of slide and a pair of of dancer, and the pair of slide is arranged in parallel, the pair of
The dancer slip that is parallel to each other is located on the slide, and the dancer is perpendicular to the slide, the pair of dancer
Roll shaft be located at the end of the same side between be connected with compression spring；First live-roller, dancer system, the second live-roller
Set gradually along the transmission direction of membrane, and first live-roller and the second live-roller are located at the same side of membrane, it is described floating
Dynamic roller system is located at the opposite side of membrane.
2. lithium ion battery separator tension-adjusting gear according to claim 1, it is characterised in that the middle part of the slide
Equipped with connecting rod, the compression spring is connected between the roll shaft of the dancer and the connecting rod.
3. lithium ion battery separator tension-adjusting gear according to claim 1 or 2, it is characterised in that the compression bullet
Spring is arranged in parallel with the slide.
4. lithium ion battery separator tension-adjusting gear according to claim 2, it is characterised in that the compression spring
Both ends are equipped with the lantern ring, and the lantern ring is sheathed on the roll shaft and the connecting rod.
5. lithium ion battery separator tension-adjusting gear according to claim 4, it is characterised in that the roll shaft and connection
Bar is equipped with limiting slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721358000.4U CN207293706U (en) | 2017-10-20 | 2017-10-20 | A kind of lithium ion battery separator tension-adjusting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721358000.4U CN207293706U (en) | 2017-10-20 | 2017-10-20 | A kind of lithium ion battery separator tension-adjusting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207293706U true CN207293706U (en) | 2018-05-01 |
Family
ID=62272255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721358000.4U Expired - Fee Related CN207293706U (en) | 2017-10-20 | 2017-10-20 | A kind of lithium ion battery separator tension-adjusting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207293706U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589571A (en) * | 2019-10-14 | 2019-12-20 | 中材锂膜有限公司 | A wet-process diaphragm tension cut-off mechanism |
| CN113103318A (en) * | 2021-05-06 | 2021-07-13 | 浙江中聚材料有限公司 | A back plate film winding device |
| CN116374710A (en) * | 2023-06-02 | 2023-07-04 | 合肥长阳新能源科技有限公司 | Lithium battery diaphragm tension adjusting device |
-
2017
- 2017-10-20 CN CN201721358000.4U patent/CN207293706U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589571A (en) * | 2019-10-14 | 2019-12-20 | 中材锂膜有限公司 | A wet-process diaphragm tension cut-off mechanism |
| CN110589571B (en) * | 2019-10-14 | 2025-01-28 | 中材锂膜有限公司 | A wet diaphragm tension isolation mechanism |
| CN113103318A (en) * | 2021-05-06 | 2021-07-13 | 浙江中聚材料有限公司 | A back plate film winding device |
| CN116374710A (en) * | 2023-06-02 | 2023-07-04 | 合肥长阳新能源科技有限公司 | Lithium battery diaphragm tension adjusting device |
| CN116374710B (en) * | 2023-06-02 | 2023-08-29 | 合肥长阳新能源科技有限公司 | Lithium battery diaphragm tension adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20211020 |