CN207533490U - Pole piece softening agent applicator system - Google Patents
Pole piece softening agent applicator system Download PDFInfo
- Publication number
- CN207533490U CN207533490U CN201721377215.0U CN201721377215U CN207533490U CN 207533490 U CN207533490 U CN 207533490U CN 201721377215 U CN201721377215 U CN 201721377215U CN 207533490 U CN207533490 U CN 207533490U
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- China
- Prior art keywords
- pole piece
- softening agent
- applicator system
- applying head
- agent applicator
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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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Abstract
The utility model is related to a kind of pole piece softening agent applicator systems.The pole piece softening agent applicator system includes the supporting body for carrying pole piece and the applicator unit of opposite supporting body fixed setting, and applicator unit includes applying head, and the pole piece softening applicator system further includes the control unit that control applicator unit smear operation.The pole piece softening agent applicator system of the utility model, softening agent is smeared to the bent area for placing pole piece on the carrier by applying head, the active material layer of bent area is softened, so that the intensity of the active material layer of pole piece bent area is less than the intensity of metal collector, plastic deformation occurs in the process of bending for active material layer, reduce the tensile stress generated in metal collector, so as to which metal collector and pole piece be avoided to be broken in the process of bending.
Description
Technical field
The utility model is related to a kind of pole piece softening agent applicator systems.
Background technology
Lithium rechargeable battery is divided into cylindrical structure and square structure, wherein, square lithium ion secondary battery is because of its energy
The features such as density is high, appearance and size is flexible and changeable and be widely used.Rectangular lithium ion battery generally use winding or lamination
Mode makes, wherein, in a manner that winding makes after by pole piece coiling, need to pressurize with shape to the pole piece after winding
Squarely structure, in pressure process, as shown in Figure 1, active material layer on the inside of pole piece compression chord in the process of bending, pole
Metal collector in the middle part of piece tension stress in the process of bending, for positive plate, because cathode metal collector is general
Using aluminium foil, anode active material layer intensity after overcompaction is more than the intensity of aluminium foil, and positioned at the curved of innermost bent area
Folding degree is larger, and aluminium foil is easily broken in bending place in pole piece pressing process, and pole piece is caused to be broken.
Utility model content
The purpose of this utility model is to provide a kind of pole piece softening agent applicator system, which can be to pole piece bent area
Active material layer softened, so as to make the intensity of the active material layer of pole piece bent area be less than metal collector intensity,
Make active material layer that plastic deformation occur in the process of bending, reduce the tensile stress generated in metal collector, so as to avoid gold
Belong to collector to be broken in the process of bending.
To achieve the above object, a kind of technical solution 1 of pole piece softening agent applicator system of the utility model is：A kind of pole piece
Softening agent applicator system, it is described including being used to carry the supporting body of pole piece and the applicator unit of opposite supporting body fixed setting
Applicator unit includes applying head, and the pole piece softening applicator system further includes the control list that control applicator unit smear operation
Member.
The pole piece softening agent applicator system of the utility model passes through the bending of pole piece of the applying head to placement on the carrier
Softening agent is smeared in area, the active material layer of bent area is softened, so that the intensity of the active material layer of pole piece bent area is low
In the intensity of metal collector, plastic deformation occurs in the process of bending for active material layer, reduces what is generated in metal collector
Tensile stress, so as to which metal collector be avoided to be broken in the process of bending.
A kind of technical solution 2 of pole piece softening agent applicator system of the utility model be done on the basis of technical solution 1 into
One step is improved：The supporting body is the movement supporting body that workpiece can be driven to be translatable, and movement supporting body automatically send pole piece to smearing
It is smeared at head, greatly improves pole coating efficiency.
A kind of technical solution 3 of pole piece softening agent applicator system of the utility model be done on the basis of technical solution 2 into
One step is improved：The movement supporting body includes being respectively arranged at the receipts for being used to wind corresponding pole piece of applicator unit upstream and downstream
Winding up roller and let off roll.
A kind of technical solution 4 of pole piece softening agent applicator system of the utility model be done on the basis of technical solution 2 into
One step is improved：Described control unit includes carrying out pole piece position with the location hole on corresponding pole piece or lug location fit
The Position monitoring devices of position monitor, described control unit control the painting of applicator unit by the feedback signal of locating and detecting device
Smear operation.
A kind of technical solution 5 of pole piece softening agent applicator system of the utility model be done on the basis of technical solution 1 into
One step is improved：The applying head is fixed applying head.
A kind of technical solution 6 of pole piece softening agent applicator system of the utility model be done on the basis of technical solution 1 into
One step is improved：The applying head is mobile applying head.
A kind of technical solution 7 of pole piece softening agent applicator system of the utility model be done on the basis of technical solution 6 into
One step is improved：The applicator unit includes being sequentially connected with applying head and then applying head is driven to be moved along perpendicular to the direction of pole piece
To pole piece smear the driving device of operation.
A kind of technical solution 8 of pole piece softening agent applicator system of the utility model be done on the basis of technical solution 6 into
One step is improved：The applicator unit include with applying head be sequentially connected so that drive applying head along pole piece width direction move with
To pole piece smear the driving device of operation.
A kind of technical solution 9 of pole piece softening agent applicator system of the utility model be done on the basis of technical solution 6 into
One step is improved：The applicator unit include with applying head be sequentially connected so that drive applying head along pole piece length direction move with
To pole piece smear the driving device of operation.
A kind of technical solution 10 of pole piece softening agent applicator system of the utility model is any technology in technical solution 5-9
It is further improved on the basis of scheme：The applicator unit further includes storage device, and the applying head passes through with storage device
Unicom pipeline unicom, described control unit includes being set on unicom pipeline smears for controlling unicom pipeline break-make and then controlling
Unit smears the controller of operation.
A kind of technical solution 11 of pole piece softening agent applicator system of the utility model is done on the basis of technical solution 10
It is further improved：The applying head is contact applying head.
A kind of technical solution 12 of pole piece softening agent applicator system of the utility model is done on the basis of technical solution 11
It is further improved：The contact applying head is that the capillary hairbrush smeared using the capillarity of Fiber Materials pole piece is applied
It turns round.
A kind of technical solution 13 of pole piece softening agent applicator system of the utility model is done on the basis of technical solution 10
It is further improved：The applying head is the contactless applying head for smearing softening agent on pole piece by spraying.
A kind of technical solution 14 of pole piece softening agent applicator system of the utility model be done on the basis of technical solution 4 into
One step is improved：Described control unit and supporting body, which communicate, to be connected with by the way that the movement speed of pole piece is controlled to make the adjacent applying area of pole piece
Spacing between domain becomes larger along coiling direction.
A kind of technical solution 15 of pole piece softening agent applicator system of the utility model be done on the basis of technical solution 4 into
One step is improved：Described control unit includes time control circuit to make pole piece phase to applying head feed in interval in different times
Spacing between adjacent dispensing area becomes larger along coiling direction.
A kind of technical solution 16 of pole piece softening agent applicator system of the utility model be done on the basis of technical solution 4 into
One step is improved：The applying head has at least three, and at least three applying heads are arranged in order along pole piece moving direction, adjacent applying head
Between interval be sequentially increased along pole piece coiling direction.
A kind of technical solution 17 of pole piece softening agent applicator system of the utility model is any technology in technical solution 2-9
It is further improved on the basis of scheme：The downstream of the applicator unit is provided with drying unit.
A kind of technical solution 18 of pole piece softening agent applicator system of the utility model is done on the basis of technical solution 17
It is further improved：The drying unit is baking oven or Pneumatic drying device or infrared heating drier.
Description of the drawings
Fig. 1 is the enlarged drawing of pole piece bent area in the process of bending in background technology（Outer active material layer is not shown）；
Fig. 2 is the enlarged drawing of the pole piece bent area in the process of bending after softening in the utility model specific embodiment 1（Not
Show outer active material layer）；
Fig. 3 is the structure diagram of pole piece softening agent applicator system in the utility model specific embodiment 1；
Fig. 4 is the structure diagram of pole piece softening agent applicator system in the utility model specific embodiment 6；
Fig. 5 is the structure diagram of pole piece softening agent applicator system in the utility model specific embodiment 7；
Fig. 6 is the structure diagram of pole piece softening agent applicator system in the utility model specific embodiment 8；
Fig. 7 is the structure diagram of pole piece softening agent applicator system in the utility model specific embodiment 9；
In figure：1st, storage device；11st, coating station；2nd, controller；3rd, applying head；4th, Position monitoring devices；5th, baking oven；
6th, wind-up roll；7th, let off roll；8th, pole piece；81st, location hole；82nd, active material layer；83rd, metal collector；9th, pneumatic conveying drying fills
It puts；10th, infrared heating drier.
Specific embodiment
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment 1 of a kind of pole piece softening agent applicator system of the utility model, as shown in Figure 2 or Figure 3, including dress
Put frame（It is not shown in figure）, coating station 11 is provided on device frame, is additionally provided with that pole piece is sent into and is sent out on device frame and is applied
The driving device of cloth station, in the present embodiment, the driving device be included in coating station downstream setting wind-up roll 6 with
And the let off roll 7 of upstream setting, wind-up roll 6 and let off roll 7 are respectively connected with driving motor, pole piece 8 is wound on wind-up roll and unreels
So as to be sent into and send out coating station by wind-up roll and let off roll driving on roller, wind-up roll and let off roll form to carry pole piece
And drive the movement supporting body of pole piece movement.
The top of coating station 11 is provided with applicator unit, and applicator unit includes applying head 3 and storage device 1, applying head 3
With storage device 1 by unicom pipeline unicom, the pole piece softening agent applicator system further includes control applicator unit and is smeared
The control unit of operation.Described control unit includes the controller 2 being set on unicom pipeline and pole piece position is determined
The Position monitoring devices 4 of position monitoring, locating and detecting device 4 are located at the downstream of applying head 3, and controller 2 is logical with Position monitoring devices 4
News connection and the break-make that unicom pipeline is controlled according to the feedback signal of Position monitoring devices, and then smear and soften to pole piece bent area
Agent softens the active material layer of pole piece bent area.In the present embodiment, the locating and detecting device 4 is to movement
The sensing detection device of location hole or lug location fit on pole piece.
In the present embodiment, there are one the applying heads 3, an applying head 3 is by being repeatedly coated with to the multiple curved of pole piece
Folding area is coated, because of increasing with the pole piece coiling number of plies, the spacing on pole piece between adjacent bend area gradually increases, because
This, controller 2 is connected with driving device communication with the movement speed by controlling pole piece, is carried out in the pole piece to a battery core soft
During change, the movement speed of pole piece is controlled gradually to become faster, so as to the distance from front to back for moving identical time interval interior pole
Increase, so that the spacing between the adjacent dispensing area of same pole piece becomes larger from front to back.
In addition, 11 downstream of coating station is provided with drying unit.In the present embodiment, the drying unit is baking oven
5, the channel passed through for pole piece is provided in baking oven.The applying head is fixed applying head, and for by spraying on pole piece
Smear the contactless applying head of softening agent.
Softening agent in actual use, is placed on storage device by the pole piece softening agent applicator system of the utility model
In 1, multiple battery core pole pieces 8 being connected are wound on the drive means, open driving device, driving device driving pole piece exists
It is translatable on coating station, Position monitoring devices 4 are carried out by monitoring location hole 81 on pole piece or lug and then to pole piece position
Monitoring, and signal is passed into controller, controller 2 receives the signal of locating and detecting device and then controls the logical of unicom pipeline
It is disconnected, it controls whether to be fed into applying head.When unicom pipeline is connected, the softening agent received is applied on pole piece by applying head,
When unicom pipeline disconnects, applying head is in dry running state, and softening agent is not smeared on pole piece.In coating process, control
Device controls driving device velocity variations, and then the interval between the adjacent dispensing area on the electrode of a battery core is made gradually to become
Greatly.
Pole piece after the softening of this pole piece softening agent applicator system is in pressing process, as shown in Fig. 2, the work positioned inside
Plastic deformation occurs in the process of bending for property material layer 82, the tensile stress generated in metal collector 83 is reduced, so as to avoid
Metal collector is broken in the process of bending.
The specific embodiment 2 of the pole piece softening agent applicator system of the utility model and specific embodiment 1 difference lies in：It can
To be not provided with driving device, the fixed station for placing single battery core pole piece is set directly on coating station, fixed station is formed
For accepting the fixation supporting of pole piece, manually battery core pole piece is placed on fixed station, single pole piece is softened.This
When, the locating slot or locating piece that machinery positioning is carried out to pole piece can be set on fixed station.
The specific embodiment 3 of the pole piece softening agent applicator system of the utility model and specific embodiment 1 difference lies in：It drives
Dynamic device is set as the form of conveyer belt, places on the conveyor belt after pole piece expansion and is admitted to or sends out coating station.Conveying
With the movement supporting formed for accepting pole piece.
The specific embodiment 4 of the pole piece softening agent applicator system of the utility model and specific embodiment 1 difference lies in：Institute
One of them in wind-up roll and let off roll is stated to connect with driving motor.
The specific embodiment 5 of the pole piece softening agent applicator system of the utility model and specific embodiment 1 difference lies in：Institute
It states controller and connection is not communicated with driving device, but time control circuit is set in the controller, by the way that applying head is controlled to exist
The length of time interval when being coated with twice carrys out the distance between adjacent dispensing area of control pole on piece, so that single pole piece is adjacent
Spacing between dispensing area becomes larger from front to back.
The specific embodiment 6 of the pole piece softening agent applicator system of the utility model and specific embodiment 1 difference lies in：Institute
State controller and do not communicated with driving device and connected, multiple applying heads can be set, multiple applying heads along pole piece moving direction successively
It arranges, the interval between adjacent applying head is sequentially increased from front to back.So as to which single pole piece be needed to soften by once spraying
Bent area all soften.In this design, because pole piece bending degree of first three general bent area in winding process compares
Greatly, it is easily broken, the bending degree of bent area below is smaller, is not susceptible to be broken, therefore only need to will be several curved before pole piece
The active material of folding area is softened, therefore applying head setting at least three.Five smearings of setting are shown in Fig. 4
The structure diagram of pole piece softening agent applicator system during head, does not show drying unit in figure.
The specific embodiment 7 of the pole piece softening agent applicator system of the utility model and specific embodiment 1 difference lies in：Such as
Shown in Fig. 5, drying unit can be not provided with.
The specific embodiment 8 of the pole piece softening agent applicator system of the utility model and specific embodiment 1 difference lies in：Such as
Shown in Fig. 6, the drying unit could be provided as Pneumatic drying device 9.
The specific embodiment 9 of the pole piece softening agent applicator system of the utility model and specific embodiment 1 difference lies in：Such as
Shown in Fig. 7, the drying unit is set as infrared heating drier 10.
The specific embodiment 10 of the pole piece softening agent applicator system of the utility model and specific embodiment 1 difference lies in：
The applying head is mobile applying head, and applicator unit includes being sequentially connected with applying head and then drives applying head along perpendicular to pole
The direction movement of piece with to pole piece carry out smear operation driving device.Alternatively, applicator unit includes being sequentially connected with applying head
And then the width direction of driving applying head along pole piece moves the driving device to pole piece smear operation.Alternatively, it smears single
Member includes being sequentially connected with applying head and then the length direction of applying head along pole piece is driven to move to carry out smearing operation to pole piece
Driving device.
The specific embodiment 11 of the pole piece softening agent applicator system of the utility model and specific embodiment 1 difference lies in：
The applying head is the capillary hairbrush applying head that contact smearing is carried out using the capillarity of Fiber Materials.
The specific embodiment 12 of the pole piece softening agent applicator system of the utility model and specific embodiment 1 difference lies in：
The pole piece softening agent applicator system can also be integrated in the other equipment on production line for manufacturing battery, at this point it is possible to not set individually
Put wind-up roll and let off roll, the other equipment on production line forms the supporting body for carrying pole piece, for example, when pole piece softening agent
When applicator system and up- coiler are integrated, winding mechanism is into for carrying the supporting body of pole piece；It is smeared when pole piece softening agent and is
When system and integrated cross cutting unit, cross cutting unit forms the supporting body for carrying pole piece.
Claims (18)
1. pole piece softening agent applicator system, it is characterised in that：Supporting body and opposite supporting body including being used to carry pole piece are consolidated
Surely the applicator unit set, the applicator unit include applying head, and the pole piece softening applicator system further includes control and smears list
Member smear the control unit of operation.
2. pole piece softening agent applicator system according to claim 1, it is characterised in that：The supporting body is can drive workpiece
The movement supporting body of translation.
3. pole piece softening agent applicator system according to claim 2, it is characterised in that：The movement supporting body includes difference
It is set to the wind-up roll and let off roll that are used to wind corresponding pole piece of applicator unit upstream and downstream.
4. pole piece softening agent applicator system according to claim 2, it is characterised in that：Described control unit include for
Location hole or lug location fit on corresponding pole piece carry out pole piece position the Position monitoring devices of position monitor, the control
Unit controls the smearing operation of applicator unit by the feedback signal of locating and detecting device.
5. pole piece softening agent applicator system according to claim 1, it is characterised in that：The applying head is fixed smearing
Head.
6. pole piece softening agent applicator system according to claim 1, it is characterised in that：The applying head is smeared to be mobile
Head.
7. pole piece softening agent applicator system according to claim 6, it is characterised in that：The applicator unit includes and smearing
Head is sequentially connected and then drives applying head along the driving device moved perpendicular to the direction of pole piece to pole piece smear operation.
8. pole piece softening agent applicator system according to claim 6, it is characterised in that：The applicator unit includes and smearing
The width direction of head drive connection and then driving applying head along pole piece moves the driving device to pole piece smear operation.
9. pole piece softening agent applicator system according to claim 6, it is characterised in that：The applicator unit includes and smearing
The length direction of head drive connection and then driving applying head along pole piece moves the driving device to pole piece smear operation.
10. the pole piece softening agent applicator system according to any claim in claim 5-9, it is characterised in that：It is described
Applicator unit further includes storage device, and with storage device by unicom pipeline unicom, described control unit includes the applying head
It is set to the controller for controlling unicom pipeline break-make and then applicator unit being controlled to smear operation on unicom pipeline.
11. pole piece softening agent applicator system according to claim 10, it is characterised in that：The applying head is applied for contact
It turns round.
12. pole piece softening agent applicator system according to claim 11, it is characterised in that：The contact applying head is profit
The capillary hairbrush applying head smeared with the capillarity of Fiber Materials pole piece.
13. pole piece softening agent applicator system according to claim 10, it is characterised in that：The applying head is passes through spraying
The contactless applying head of softening agent is smeared on pole piece.
14. pole piece softening agent applicator system according to claim 4, it is characterised in that：Described control unit and supporting body
Communication connection is with by controlling the movement speed of pole piece to make the spacing between the adjacent dispensing area of pole piece gradual along coiling direction
Become larger.
15. pole piece softening agent applicator system according to claim 4, it is characterised in that：Described control unit includes the time
Control loop to applying head feed in interval in different times to make spacing between the adjacent dispensing area of pole piece along winding side
To becoming larger.
16. pole piece softening agent applicator system according to claim 4, it is characterised in that：The applying head has at least three,
At least three applying heads are arranged in order along pole piece moving direction, and the interval between adjacent applying head increases successively along pole piece coiling direction
Greatly.
17. the pole piece softening agent applicator system according to any claim in claim 2-9, it is characterised in that：It is described
The downstream of applicator unit is provided with drying unit.
18. pole piece softening agent applicator system according to claim 17, it is characterised in that：The drying unit for baking oven or
Pneumatic drying device or infrared heating drier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377215.0U CN207533490U (en) | 2017-10-24 | 2017-10-24 | Pole piece softening agent applicator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721377215.0U CN207533490U (en) | 2017-10-24 | 2017-10-24 | Pole piece softening agent applicator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207533490U true CN207533490U (en) | 2018-06-26 |
Family
ID=62609426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721377215.0U Active CN207533490U (en) | 2017-10-24 | 2017-10-24 | Pole piece softening agent applicator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207533490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755185A (en) * | 2017-10-24 | 2018-03-06 | 中航锂电技术研究院有限公司 | A kind of pole piece softening agent applicator system |
-
2017
- 2017-10-24 CN CN201721377215.0U patent/CN207533490U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107755185A (en) * | 2017-10-24 | 2018-03-06 | 中航锂电技术研究院有限公司 | A kind of pole piece softening agent applicator system |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Address before: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee before: Kaibo Energy Technology Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: Kaibo Energy Technology Co.,Ltd. Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Address before: No.88 Jintan Avenue, Jintan District, Changzhou City, Jiangsu Province 213299 Patentee before: CHINA AVIATION LITHIUM BATTERY RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220112 Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Address before: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee before: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
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| TR01 | Transfer of patent right |