CN209266492U - A kind of lithium battery positive-negative plate supplied materials roll-in adjustment device - Google Patents
A kind of lithium battery positive-negative plate supplied materials roll-in adjustment device Download PDFInfo
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- CN209266492U CN209266492U CN201920045365.4U CN201920045365U CN209266492U CN 209266492 U CN209266492 U CN 209266492U CN 201920045365 U CN201920045365 U CN 201920045365U CN 209266492 U CN209266492 U CN 209266492U
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- Prior art keywords
- roll
- conveying roller
- surface density
- auxiliary conveying
- negative plate
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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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- Battery Electrode And Active Subsutance (AREA)
Abstract
A kind of lithium battery positive-negative plate supplied materials roll-in adjustment device, including unwinding device, auxiliary conveying roller one, press roll component, the auxiliary conveying roller two, wrap-up being arranged successively；Press roll component includes upper pressure roller, lower compression roller, clearance adjustment mechanism, pressure adjustmenting mechanism；The auxiliary conveying roller one, auxiliary conveying roller two are two or more；It further include surface density detection device, thickness detection apparatus, the surface density detection device includes X-ray surface density measuring device, β ray surface density measuring equipment；Surface density detection device is set between unwinding device and press roll component, and thickness detection apparatus is set between wrap-up and press roll component；The auxiliary conveying roller one, auxiliary conveying roller two are located at same level one, and the unwinding device, wrap-up are located at same level two, and horizontal plane two is lower than horizontal plane one.The utility model structure is simple, easy to use, and press roll component is adjusted by detecting and improves battery pole piece compacted density uniformity.
Description
Technical field
The utility model relates to lithium battery manufacturing field, specifically a kind of lithium battery positive-negative plate supplied materials roll-in adjustment dress
It sets.
Background technique
Lithium battery positive-negative plate requires to carry out roll-in, to improve pole coating bulk density i.e. compacted density ρv, improve
Battery performance.The key parameter of pressing effect evaluation is compacted density difference △ ρ=ρt-ρvWith the thickness difference △ t=of two sides after roll-in
tl-tr.Wherein ρtFor theoretical compacted density value, tlFor the pole piece thickness in left side after roll-in, trFor the pole piece thickness on right side after roll-in.
It is obtained according to painting process or manual sampling and carrys out charge level density ρs, by designing the theoretical compacted density provided, meter
The theoretic throat T of pole piece after calculating roll-int(Tt=ρs/ρt), the mode by adjusting rolling pressure and up-down rollers gap adjusts roller
Pole piece thickness t (t=ρ after pressures/ρv), when t levels off to TtWhen, ρvLevel off to ρt, so that △ ρ is made to level off to 0, i.e., it is practical after roll-in
The theoretical compacted density ρ of compacted density and requirementtIt is convergent, to obtain the pole piece performance of requirement.
0 is leveled off to △ ρ, there are 4 big crucial important items:
1, the roller pressure P of roll squeezer: it is relevant to compacted density range；
2, pole piece minimum thickness after roll-in, corresponding maximum compacted density and thickness deviation up-down rollers gap: are relevant to；
3, carry out charge level density ρs, compacted density after being relevant to roll-in；
4, pole piece thickness after roll-in, compacted density and thickness deviation △ t after being relevant to roll-in.
Summary of the invention
The purpose of the utility model is to overcome the above-mentioned deficiencies of the prior art, and it is next to provide a kind of lithium battery positive-negative plate
Expect that roll-in adjusts device, structure is simple, easy to use, and it is equal that press roll component raising battery pole piece compacted density is adjusted by detecting
Even property.
The technical solution of the utility model is: including be arranged successively unwinding device, auxiliary conveying roller one, press roll component,
Assist conveying roller two, wrap-up；Press roll component includes upper pressure roller, lower compression roller, clearance adjustment mechanism, pressure adjustmenting mechanism；Institute
State auxiliary conveying roller one, auxiliary conveying roller two is two or more；It further include that carry out charge level close for detecting positive/negative plate before roll-in
The surface density detection device of degree, the thickness detection apparatus for detecting positive/negative plate thickness after roll-in, the surface density detection dress
Set including carry out charge level density for detecting positive plate before roll-in X-ray surface density measuring device, for detecting cathode before roll-in
Piece carrys out the β ray surface density measuring equipment of charge level density；Surface density detection device is set between unwinding device and press roll component,
Thickness detection apparatus is set between wrap-up and press roll component；The auxiliary conveying roller one, auxiliary conveying roller two are located at same
One horizontal plane one, the unwinding device, wrap-up are located at same level two, and horizontal plane two is lower than horizontal plane one.
The clearance adjustment mechanism be located at upper pressure roller, lower compression roller both ends spring bearing between, pressure adjustmenting mechanism is located at
Under the spring bearing at lower compression roller both ends.
It further include for adjusting clearance adjustment mechanism, pressure according to the measured value of surface density detection device, thickness detection apparatus
The control device of power adjustment mechanism work, surface density detection device output end, thickness detection apparatus output end connect control device
Input terminal, control device output end one connect pressure adjustmenting mechanism, two joint gap adjustment mechanism of control device output end.
The control device is FX3GA-60MT-CM.
The thickness detection apparatus is laser thickness measuring apparatus.
The utility model has the beneficial effects that:
A) surface density detection device is utilized, positive supplied materials uses X-ray surface density detection device, and cathode uses β ray surface
Device for detecting density is mounted on and unreels side, and continuous real-time measurement carrys out charge level density ρs。
B) using the thickness detection apparatus of pole piece after roll-in, positive and negative anodes use laser thickness measuring apparatus, pass through thickness measurement with laser
Device is real-time, the thickness t of pole piece after continuous measurement roll-inlAnd tr。
C) add control device using increasing closed loop, can calculate in real time according to △ ρ, △ t, and according to calculated result, pass through
Control mechanism, adjustment are applied to the pressure of press roll component and the gap of roller two sides, the value of △ ρ, △ t are made to tend to 0.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the operation schematic diagram of surface density detection device.
Fig. 3 is the operation schematic diagram of thickness detection apparatus.
Fig. 4 is the control principle block diagram of the utility model.
Specific embodiment
In Fig. 1, the utility model includes the unwinding device 1 being arranged successively, assists conveying roller 1, press roll component, auxiliary defeated
Send roller two, wrap-up 4；Press roll component includes upper pressure roller 3, lower compression roller 9, clearance adjustment mechanism 7, pressure adjustmenting mechanism 8；It is described
Assisting conveying roller 1, auxiliary conveying roller two is two or more.The utility model further includes surface density detection device 5, thickness inspection
Device 6 is surveyed, surface density detection device 5 includes carrying out the X-ray surface density measurement dress of charge level density for detecting positive plate before roll-in
It sets, carry out the β ray surface density measuring equipment of charge level density for detecting negative electrode tab before roll-in, surface density detection device 5 is set to
Between unwinding device 1 and press roll component, thickness detection apparatus 6 is set between wrap-up 4 and press roll component.Assist conveying roller
One 2, auxiliary conveying roller two is located at same level one, and unwinding device 1, wrap-up 4 are located at same level two, horizontal plane two
Lower than horizontal plane one.Clearance adjustment mechanism 7 be located at upper pressure roller 3,9 both ends of lower compression roller spring bearing between, pressure adjustmenting mechanism 8
Under the spring bearing at 9 both ends of lower compression roller.
Fig. 2, in 3, pole piece is longitudinally running in the direction of the arrow, and the continuous real-time detection of surface density detection device carrys out charge level density
ρs, spend the continuous real-time measurement roll-in of detection device after pole piece thickness t, data are input to processing unit, after calculating roll-in
Compacted density ρv=ρs/ t, by ρvWith ρtIt is compared, i.e. △ ρ=ρt-ρvValue, as control roller pressure input control parameter,
The real-time continuous adjusting roller pressure of value by plant control unit according to △ ρ, so that making △ ρ value level off to remains at setting
In range, reach holding in a longitudinal direction, the purpose of the continuous controlled in real-time of pole piece compaction density.
By comparing the thickness t of the pole piece two sides after the roll-in continuously measuredlAnd tr, with △ t=tl-trAs roller two sides
The adjustment in gap inputs parameter, adjusts the gap of roller two sides according to △ t by plant control unit, reaching makes pole piece thickness of two sides
Unanimously, reach holding in a lateral direction, pole piece compaction density even stops the purpose of controlled in real-time.
When compacted density of the pole piece in vertical and horizontal both direction is all continuous, controlled in real-time when, pole piece after roll-in
The uniformity of compacted density can obtain sufficient promotion, meet compacted density design requirement to greatest extent.
In Fig. 4,5 output end of surface density detection device, 6 output end of thickness detection apparatus connect 10 input terminal of control device,
10 output end one of control device connects pressure adjustmenting mechanism 8,10 output end of control device, two joint gap adjustment mechanism 7.
Claims (5)
1. a kind of lithium battery positive-negative plate supplied materials roll-in adjusts device, it is characterised in that: including the unwinding device being arranged successively
(1), conveying roller one (2), press roll component, auxiliary conveying roller two, wrap-up (4) are assisted；Press roll component include upper pressure roller (3),
Lower compression roller (9), clearance adjustment mechanism (7), pressure adjustmenting mechanism (8)；The auxiliary conveying roller one (2), auxiliary conveying roller two are equal
For two or more；It further include carrying out the surface density detection device (5) of charge level density, for detecting for positive/negative plate before detecting roll-in
The thickness detection apparatus (6) of positive/negative plate thickness after roll-in, the surface density detection device (5) include for detecting before roll-in just
Pole piece come charge level density X-ray surface density measuring device, for detect negative electrode tab before roll-in come charge level density β ray surface it is close
Spend measuring device；Surface density detection device (5) is set between unwinding device (1) and press roll component, and thickness detection apparatus (6) is set
It is placed between wrap-up (4) and press roll component；The auxiliary conveying roller one (2), auxiliary conveying roller two are located at same level
One, the unwinding device (1), wrap-up (4) are located at same level two, and horizontal plane two is lower than horizontal plane one.
2. lithium battery positive-negative plate supplied materials roll-in according to claim 1 adjusts device, it is characterised in that: the gap tune
Complete machine structure (7) be located at upper pressure roller (3), lower compression roller (9) both ends spring bearing between, pressure adjustmenting mechanism (8) is located at lower compression roller
(9) under the spring bearing at both ends.
3. lithium battery positive-negative plate supplied materials roll-in according to claim 1 adjusts device, it is characterised in that: further include being used for
Clearance adjustment mechanism (7), pressure adjustmenting mechanism are adjusted according to the measured value of surface density detection device (5), thickness detection apparatus (6)
(8) control device (10) to work, surface density detection device (5) output end, thickness detection apparatus (6) output end connection control dress
(10) input terminal is set, control device (10) output end one connects pressure adjustmenting mechanism (8), and control device (10) output end two connects
Clearance adjustment mechanism (7).
4. lithium battery positive-negative plate supplied materials roll-in according to claim 3 adjusts device, it is characterised in that: the control dress
Setting (10) is FX3GA-60MT-CM.
5. lithium battery positive-negative plate supplied materials roll-in according to claim 1 adjusts device, it is characterised in that: the thickness inspection
Survey device is laser thickness measuring apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920045365.4U CN209266492U (en) | 2019-01-11 | 2019-01-11 | A kind of lithium battery positive-negative plate supplied materials roll-in adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920045365.4U CN209266492U (en) | 2019-01-11 | 2019-01-11 | A kind of lithium battery positive-negative plate supplied materials roll-in adjustment device |
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| Publication Number | Publication Date |
|---|---|
| CN209266492U true CN209266492U (en) | 2019-08-16 |
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ID=67584521
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920045365.4U Expired - Fee Related CN209266492U (en) | 2019-01-11 | 2019-01-11 | A kind of lithium battery positive-negative plate supplied materials roll-in adjustment device |
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| CN (1) | CN209266492U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954441A (en) * | 2019-11-28 | 2020-04-03 | 九江德福科技股份有限公司 | Method for testing uniformity of copper deposition on surface of cathode roller |
| CN116364863A (en) * | 2023-06-02 | 2023-06-30 | 新乡市弘力电源科技有限公司 | Dry electrode preparation device for lithium ion battery |
-
2019
- 2019-01-11 CN CN201920045365.4U patent/CN209266492U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954441A (en) * | 2019-11-28 | 2020-04-03 | 九江德福科技股份有限公司 | Method for testing uniformity of copper deposition on surface of cathode roller |
| CN110954441B (en) * | 2019-11-28 | 2022-05-13 | 九江德福科技股份有限公司 | Method for testing uniformity of copper deposition on surface of cathode roller |
| CN116364863A (en) * | 2023-06-02 | 2023-06-30 | 新乡市弘力电源科技有限公司 | Dry electrode preparation device for lithium ion battery |
| CN116364863B (en) * | 2023-06-02 | 2023-10-03 | 新乡市弘力电源科技有限公司 | Dry electrode preparation device for lithium ion battery |
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| 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: 20190816 Termination date: 20210111 |