CN109664539A - Rolling device - Google Patents
Rolling device Download PDFInfo
- Publication number
- CN109664539A CN109664539A CN201710952945.7A CN201710952945A CN109664539A CN 109664539 A CN109664539 A CN 109664539A CN 201710952945 A CN201710952945 A CN 201710952945A CN 109664539 A CN109664539 A CN 109664539A
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- CN
- China
- Prior art keywords
- pressure roller
- roller
- roll
- substrate
- rolling
- 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.)
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- 238000005096 rolling process Methods 0.000 title claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 68
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 claims abstract description 22
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 9
- 238000000465 moulding Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000003490 calendering Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B3/00—Presses characterised by the use of rotary pressing members, e.g. rollers, rings, discs
- B30B3/005—Roll constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Press Drives And Press Lines (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention provides a rolling device which comprises a rolling mechanism for rolling a strip. The strip includes a substrate having exposed blank areas and covered areas covered by a coating, the blank areas and the covered areas each extending in a longitudinal direction and alternating in a transverse direction. The roll pressing mechanism comprises a first press roll and a second press roll which are oppositely arranged, and the first press roll and the second press roll are used for rolling the covering area and the coating of the base material. The rolling mechanism further comprises: and the third press roller is arranged at the upstream or the downstream of the first press roller, and the third press roller and the first press roller are used for rolling the blank area of the substrate. The covering area and the covering layer of the base material can be subjected to extension deformation under the rolling pressures of the first pressing roller and the second pressing roller, and the blank area of the base material can be subjected to extension deformation under the rolling pressures of the first pressing roller and the third pressing roller, so that the integral extension rate of the base material after the base material is subjected to rolling is consistent or close to the integral extension rate of the base material, and the blank area of the base material is prevented from being wrinkled or tilted. The rolling device simplifies the structure of the rolling mechanism, saves space and reduces cost.
Description
Technical field
The present invention relates to field of material processing more particularly to a kind of rolling devices.
Background technique
Instantly, requirement of major depot to batteries of electric automobile is higher and higher, it is important that it wherein is exactly battery energy
Metric density, battery energy density is bigger, and battery capacity is bigger under identical weight, and the mileage that automobile single charge can travel also can
It increase accordingly.
Battery includes pole piece, and in order to improve the energy density of battery, it usually needs roll-in is carried out to pole piece.Reference Fig. 8,
Existing pole piece (one kind of band S) includes substrate S1 and the coating S2 that is arranged on substrate S1, and substrate S1 has the sky exposed
The area of coverage S12 of white area S11 and coating S2 covering.But in nipping process, the blank area S11 of substrate S1 not by
To pressure, would not also extend, and the area of coverage S12 of substrate S1 can then generate calendering elongation, therefore lead to the not same district substrate S1
The elongation percentage in domain is different, and the blank area S11 of substrate S1 is easy to crumple, and the winding that will cause pole piece is uneven, even nothing when serious
The processing of method progress the next step.
Summary of the invention
In view of the problems in the background art, the purpose of the present invention is to provide a kind of rolling devices, can improve band
The consistency that the substrate of material extends, avoids the blank area of substrate from crumpling.
To achieve the goals above, the present invention provides a kind of rolling devices comprising the roll squeezer for roll-in band
Structure.Band includes substrate and coating, and substrate has the area of coverage of the blank area exposed and coating covering, blank area and covering
Qu Jun is extended longitudinally and is transversely replaced.Roller press mechanism includes the first pressure roller and the second pressure roller being oppositely arranged, the first pressure roller
The area of coverage and coating of roll-in substrate are used for the second pressure roller.Wherein, roller press mechanism further include: third pressure roller, setting is the
The upstream or downstream of one pressure roller, and third pressure roller and the first pressure roller are used for the blank area of roll-in substrate.
Beneficial effects of the present invention are as follows:
When needing roll-in band, roll gap and first pressure roller of the band across the first pressure roller and third pressure roller are drawn
And the second roll gap between pressure roller；The area of coverage and coating of substrate can extend change under the roll-in of the first pressure roller and the second pressure roller
Shape, and the blank area of substrate can extend deformation under the roll-in of the first pressure roller and third pressure roller, therefore, substrate is by the first pressure
After the roll-in of roller and the second pressure roller and the roll-in of the first pressure roller and third pressure roller, whole elongation is consistent or close, from
And the blank area of substrate is avoided to crumple or tilt.In addition, substrate is subjected to nipping process twice while the first pressure roller is utilized, letter
Change the structure of roller press mechanism, save space and reduces cost.
Detailed description of the invention
Fig. 1 is the schematic diagram of rolling device according to the present invention.
Fig. 2 to Fig. 4 is the schematic diagram of the different embodiments of the roller press mechanism of rolling device according to the present invention.
Fig. 5 to Fig. 7 is the signal of the different embodiments of the third pressure roller of the roller press mechanism of rolling device according to the present invention
Figure.
Fig. 8 is the schematic diagram of band.
Wherein, the reference numerals are as follows:
1 roller press mechanism, 3 rolling-up mechanism
11 first pressure roller, 4 governing mechanism of tension
12 second pressure roller, 5 deviation correction mechanism
13 third pressure roller S bands
131 third roll body S1 substrates
The 132 third protrusions blank area S11
The 14 support roller S12 areas of coverage
15 driving assembly S2 coating
16 the 4th pressure roller R guide rollers
2 unreeling structures
Specific embodiment
Carry out the rolling device that the present invention will be described in detail with reference to the accompanying drawings.
Referring to figs. 1 to Fig. 8, rolling device according to the present invention includes the roller press mechanism 1 for roll-in band S.Band S packet
Substrate S1 and coating S2 are included, substrate S1 has the area of coverage S12 of the blank area S11 exposed and coating S2 covering, blank area
S11 and area of coverage S12 are extended longitudinally and are transversely replaced.Roller press mechanism 1 includes the first pressure roller 11 for being oppositely arranged and the
Two pressure rollers 12, the first pressure roller 11 and the second pressure roller 12 are used for the area of coverage S12 and coating S2 of roll-in substrate S1.Wherein, roll-in
Mechanism 1 further include: the upstream or downstream of the first pressure roller 11, and third pressure roller 13 and the first pressure roller 11 is arranged in third pressure roller 13
Blank area S11 for roll-in substrate S1.
When needing roll-in band S, roll gap of the band S across the first pressure roller 11 and third pressure roller 13 and the are drawn
Roll gap between one pressure roller 11 and the second pressure roller 12 (depending on the position sequential in accordance with third pressure roller 13 passed through)；Substrate S1's covers
Cover region S12 and coating S2 can extend deformation under the roll-in of the first pressure roller 11 and the second pressure roller 12, and the blank area S11 of substrate S1
Can extend deformation under the roll-in of the first pressure roller 11 and third pressure roller 13, and therefore, substrate S1 is passing through the first pressure roller 11 and second
After the roll-in of pressure roller 12 and the roll-in of the first pressure roller 11 and third pressure roller 13, whole elongation is consistent or close, thus
The blank area S11 of substrate S1 is avoided to crumple or tilt.In addition, substrate S1 is subjected to nipping process (i.e. 11 He of the first pressure roller twice
The roll-in of second pressure roller 12 and the roll-in of the first pressure roller 11 and third pressure roller 13) the first pressure roller 11 is utilized simultaneously, it simplifies
The structure of roller press mechanism 1 saves space and reduces cost.
For band S from when passing through between the first pressure roller 11 and third pressure roller 13, the first pressure roller 11 and third pressure roller 13 both can be with
The area of coverage S12 and coating S2 of roll-in substrate S1, can not also roll-in substrate S1 area of coverage S12 and coating S2, according to need
Depending on asking.Preferably, band S the area of coverage S12 of substrate S1 and is covered from when passing through between the first pressure roller 11 and third pressure roller 13
Layer S2 be not by roll-in.
Third pressure roller 13 is driven voller.It, can be more rapidly square since third pressure roller 13 is not connect with transmission parts directly
Just dismounting.This point, for needing to frequently replace production kind (such as pole piece of roll-in different size) and reconditioning roll
Situation has very big advantage.
Roller diameter of the roller diameter of third pressure roller 13 less than the first pressure roller 11 and the second pressure roller 12.First pressure roller 11 and the second pressure roller
12 be plain-barreled roll.
Band S forms cornerite in the first pressure roller 11.Preferably, the cornerite region of 13 roll-in band S of third pressure roller.
Referring to Fig.1, the rolling device further include: unreeling structure 2, for band S to be rolled to be arranged；Rolling-up mechanism 3,
Traction band S is passed through from roller press mechanism 1, and winds the band S after roll-in；Governing mechanism of tension 4 is set to 2 He of unreeling structure
Between rolling-up mechanism 3；And deviation correction mechanism 5, it is set between unreeling structure 2 and rolling-up mechanism 3.Certainly, the rolling device
It may also include multiple guide roller R, guide the tape transport direction of band S.
Governing mechanism of tension 4 can be two groups, be separately positioned on the upstream and downstream of roller press mechanism 1.Governing mechanism of tension 4 can
Including dancer and cylinder, cylinder pushes dancer mobile to adjust tension when band S tape transport, prevents caused by overtension
It is loosened caused by fracture and tension are too small.
Deviation correction mechanism 5 can rectify a deviation to band S.Referring to Fig.1, deviation correction mechanism 5 can be three groups, wherein one group is to set
A high-precision in the upstream of roller press mechanism 1, highly sensitive deviation correction mechanism 5 are set, in addition two groups respectively close to unreeling structure 2
It is arranged with rolling-up mechanism 3.
Referring to Fig. 8, the blank area S11 of substrate S1 can be multiple.Preferably, area of coverage S12 is also multiple, of the invention in this way
Rolling device can simultaneously the multiple alternate arrangements of roll-in coating S2, improve roll-in efficiency.
First pressure roller 11 and the second pressure roller 12 can arrange up and down, and the first pressure roller 11 either top pressure roller (reference
Fig. 4), it is also possible to the pressure roller of downside (referring to Fig. 2 and Fig. 3).Certainly, the first pressure roller 11 and the second pressure roller 12 can also horizontal cloth
It sets.
In the first embodiment, referring to Fig. 5, third pressure roller 13 has third roll body 131 and third protrusion 132, and third is convex
Portion 132 is looped around on third roll body 131 and outwardly protrudes relative to third roll body 131；Each third protrusion 132 of third pressure roller 13
The blank area S11 of roll-in substrate S1 is used for the first pressure roller 11.The quantity of the third protrusion 132 of third pressure roller 13 can be with substrate S1
Blank area S11 quantity it is corresponding.When band S between the first pressure roller 11 and third pressure roller 13 pass through when, the blank of substrate S1
Area S11 is passed through and from the roll gap between the third protrusion 132 and the first pressure roller 11 of third pressure roller 13 by roll-in.
Specifically, by adjusting the size of roll gap between the first pressure roller 11 and the second pressure roller 12 and the first pressure roller 11 and
The size of roll gap adjusts the extension of the area of coverage S12 and blank area S11 of substrate S1 between the third protrusion 132 of three pressure rollers 13
Rate.For example, after the size of roll gap determines between the first pressure roller 11 and the second pressure roller 12, after the area of coverage S12 roll-in of substrate S1
Thickness also determines therewith, then adjusts the size of roll gap between the first pressure roller 11 and the third protrusion 132 of third pressure roller 13, makes it
Equal to thickness of the area of coverage S12 after the roll-in of the first pressure roller 11 and the second pressure roller 12, in this way, after the S11 roll-in of blank area
Thickness is also equal to the thickness after area of coverage S12 roll-in, so that the elongation of substrate S1 entirety is consistent or close.
Further, third protrusion 132 is greater than the overall thickness before coating S2 roll-in beyond the height of third roll body 131.Cause
This, when band S between the first pressure roller 11 and third pressure roller 13 from when passing through, coating S2 not will receive roll-in.
Third protrusion 132 and the junction of third roll body 131 are equipped with step or chamfering, to avoid blank area S11 and cover
The intersection of cover region S12 cracks.
High-precision deviation correction mechanism 5 can reduce transverse direction when band S enters between the first pressure roller 11 and third pressure roller 13
Deviation (control is within ± 1mm as far as possible), to guarantee the blank area S11 of substrate S1 and the third protrusion 132 of third pressure roller 13
Corresponding, the area of coverage S12 and coating S2 of substrate S1 is corresponding with the third roll body 131 of third pressure roller 13.
Different molding modes can be used in third pressure roller 13.In one embodiment, third roll body 131 and third protrusion 132
It is integrally formed.In alternative embodiments, third roll body 131 and third protrusion 132 seperated can form.For example, third protrusion 132
It can be the lantern ring for being bushed in third roll body 131, the position of lantern ring and the blank area S11 of substrate S1 are corresponding, and the position of lantern ring can be with
It is adjusted flexibly, therefore, rolling device of the invention just can be used for the band S of roll-in plurality of specifications.
Referring to Fig. 5, roller press mechanism 1 may also include that support roller 14, be close to the third protrusion 132 of third pressure roller 13；And
Driving assembly 15 is connected with support roller 14, to adjust support roller 14 to the pressure of third pressure roller 13.Due to the roller of third pressure roller 13
Diameter is smaller, so support can be arranged around third pressure roller 13 in order to avoid it generates flexible deformation during the rolling process
Roller 14.Third pressure roller 13 is movably disposed on rack (not shown), and driving assembly 15 can drive third by support roller 14
Pressure roller 13, so as to adjust roll gap between third pressure roller 13 and the first pressure roller 11 size (the namely blank area S11's of substrate S1
Calendering amount).Support roller 14 is preferably two, and is arranged with third pressure roller 13 according to three-legged structure.
Driving assembly 15 may include hydraulic cylinder (can also be pneumohydraulic pressure-cylinder or cylinder) and connection frame.
In a second embodiment, referring to Fig. 6, third pressure roller 13 is multiple for laterally spaced arrangement, and each third pressure roller
13 and first pressure roller 11 be used for roll-in substrate S1 a blank area S11.The quantity of third pressure roller 13 can be with the blank of substrate S1
The quantity of area S11 is corresponding.When band S is passed through between the first pressure roller 11 and the multiple third pressure roller 13, each third pressure roller
A blank area S11 of 13 and 11 roll-in substrate S1 of the first pressure roller.
By adjusting the size of roll gap between the first pressure roller 11 and the second pressure roller 12 and the first pressure roller 11 and third pressure roller
Between 13 the size of roll gap adjusts the elongation of the area of coverage S12 and blank area S11 of substrate S1, guarantees that substrate S1 is whole
Elongation is consistent or close.
Each third pressure roller 13 is movably disposed on rack (not shown), and the spacing of the multiple third pressure roller 13 can
With adjustment, in this way, rolling device of the invention just can be used for the band S of roll-in plurality of specifications.
Referring to Fig. 4, roller press mechanism 1 may also include that support roller 14, be close to the multiple third pressure roller 13；And driving
Component 15 is connected with support roller 14, to adjust support roller 14 to the pressure of third pressure roller 13.Driving assembly 15 can pass through support roller
14 the multiple third pressure rollers 13 of driving, to make 11 roll-in band S of the multiple third pressure roller 13 and the first pressure roller.Support roller
14 be preferably two.
In the third embodiment, referring to Fig. 7, third pressure roller 13 is multiple for laterally spaced arrangement, and each third pressure roller
13 and first pressure roller 11 be used for roll-in substrate S1 a blank area S11.Accordingly, roller press mechanism 1 may also comprise multiple drivings
Component 15, each driving assembly 15 are connected with a third pressure roller 13, to adjust third pressure roller 13 to the blank area S11's of substrate S1
Roller pressure.The quantity of the quantity of third pressure roller 13, the quantity of the blank area S11 of substrate S1 and driving assembly 15 is corresponding.At this point,
Each third pressure roller 13 is more short and small, is not susceptible to flexible deformation, therefore can save support roller 14.
In the fourth embodiment, referring to Fig. 3, roller press mechanism 1 may also include the 4th pressure roller 16, the 4th pressure roller 16 and third pressure
Roller 13 is separately positioned on the upstream and downstream of the first pressure roller 11；4th pressure roller 16 and the first pressure roller 11 are used for the sky of roll-in substrate S1
White area S11.In other words, the blank area S11 process roll-in twice of substrate S1, respectively the first pressure roller 11 and third pressure roller 13
Roll-in and the roll-in of the first pressure roller 11 and the 4th pressure roller 16.By the roll-in twice to blank area S11, guarantee that substrate S1 is whole
Elongation it is consistent or close.
Wherein, the 4th pressure roller 16 is identical with the structure of third pressure roller 13, and roll-in principle is also identical.4th pressure roller 16 can also
Equipped with corresponding support roller 14 and driving assembly 15.
In the 5th embodiment, referring to Fig. 4, roller press mechanism 1 may also include the 4th pressure roller 16, the 4th pressure roller 16 and third pressure
Roller 13 is separately positioned on the upstream and downstream of the first pressure roller 11；4th pressure roller 16 and the second pressure roller 12 are used for the sky of roll-in substrate S1
White area S11.At this point, the 4th pressure roller 16 and the cooperation of the second pressure roller 12.The blank area S11 of substrate S1 passes through roll-in twice, respectively
The roll-in of first pressure roller 11 and third pressure roller 13 and the roll-in of the second pressure roller 12 and the 4th pressure roller 16.By to blank area S11
Roll-in twice, guarantee substrate S1 entirety elongation it is consistent or close.
Wherein, the 4th pressure roller 16 is identical with the structure of third pressure roller 13, and roll-in principle is also identical.4th pressure roller 16 can also
Equipped with corresponding support roller 14 and driving assembly 15.
Claims (10)
1. a kind of rolling device, the roller press mechanism (1) including being used for roll-in band (S)；
Band (S) includes substrate (S1) and coating (S2), and substrate (S1) has the blank area (S11) exposed and coating (S2)
The area of coverage (S12) of covering, blank area (S11) and the area of coverage (S12) extend longitudinally and transversely replace；
Roller press mechanism (1) includes the first pressure roller (11) and the second pressure roller (12) being oppositely arranged, the first pressure roller (11) and the second pressure
Roller (12) is used for the area of coverage (S12) and coating (S2) of roll-in substrate (S1)；
It is characterized in that,
Roller press mechanism (1) further include: third pressure roller (13) is arranged in the upstream or downstream of the first pressure roller (11), and third pressure roller
(13) and the first pressure roller (11) be used for roll-in substrate (S1) blank area (S11).
2. rolling device according to claim 1, which is characterized in that the blank area (S11) of substrate (S1) is multiple.
3. rolling device according to claim 1 or 2, which is characterized in that third pressure roller (13) has third roll body (131)
With third protrusion (132), third protrusion (132) are looped around on third roll body (131) and relative to third roll body (131) convexes
Out；
The third protrusion (132) of third pressure roller (13) and the first pressure roller (11) are used for the blank area (S11) of roll-in substrate (S1).
4. rolling device according to claim 3, which is characterized in that third roll body (131) and third protrusion (132) one
Molding or seperated molding.
5. rolling device according to claim 3, which is characterized in that roller press mechanism (1) further include:
Support roller (14) is close to the third protrusion (132) of third pressure roller (13)；And
Driving assembly (15) is connected with support roller (14), to adjust support roller (14) to the pressure of third pressure roller (13).
6. rolling device according to claim 2, which is characterized in that third pressure roller (13) is the more of laterally spaced arrangement
It is a, and each third pressure roller (13) and the first pressure roller (11) are used for a blank area (S11) of roll-in substrate (S1).
7. rolling device according to claim 6, which is characterized in that roller press mechanism (1) further include:
Support roller (14) is close to the multiple third pressure roller (13)；And
Driving assembly (15) is connected with support roller (14), to adjust support roller (14) to the pressure of third pressure roller (13).
8. rolling device according to claim 6, which is characterized in that roller press mechanism (1) further include: multiple driving assemblies
(15), each driving assembly (15) is connected with a third pressure roller (13), to adjust third pressure roller (13) to the blank of substrate (S1)
The roller pressure in area (S11).
9. rolling device according to claim 1, which is characterized in that roller press mechanism (1) further includes the 4th pressure roller (16), the
Four pressure rollers (16) and third pressure roller (13) are separately positioned on the upstream and downstream of the first pressure roller (11)；
4th pressure roller (16) and the first pressure roller (11) are used for the blank area (S11) of roll-in substrate (S1), alternatively, the 4th pressure roller (16)
The blank area (S11) of roll-in substrate (S1) is used for the second pressure roller (12).
10. rolling device according to claim 9, which is characterized in that the knot of the 4th pressure roller (16) and third pressure roller (13)
Structure is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952945.7A CN109664539B (en) | 2017-10-13 | 2017-10-13 | Rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952945.7A CN109664539B (en) | 2017-10-13 | 2017-10-13 | Rolling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109664539A true CN109664539A (en) | 2019-04-23 |
| CN109664539B CN109664539B (en) | 2024-05-03 |
Family
ID=66139117
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710952945.7A Active CN109664539B (en) | 2017-10-13 | 2017-10-13 | Rolling device |
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| Country | Link |
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| CN (1) | CN109664539B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212232A (en) * | 2019-06-26 | 2019-09-06 | 东莞市佳的自动化设备科技有限公司 | Lithium battery compounding machine, hot pressing composite system and its complex method |
| CN112297489A (en) * | 2019-10-10 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Pole piece forming device and pole piece forming method |
| CN112776391A (en) * | 2020-12-18 | 2021-05-11 | 蜂巢能源科技有限公司 | Processing device and processing method for rolling and wrinkle removing of pole piece |
| CN115138683A (en) * | 2022-09-02 | 2022-10-04 | 中创新航科技股份有限公司 | Pole piece rolling equipment |
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| CN110212232A (en) * | 2019-06-26 | 2019-09-06 | 东莞市佳的自动化设备科技有限公司 | Lithium battery compounding machine, hot pressing composite system and its complex method |
| CN110212232B (en) * | 2019-06-26 | 2020-09-29 | 东莞市佳的自动化设备科技有限公司 | Lithium battery compound machine, hot-pressing compound system and compound method thereof |
| CN112297489A (en) * | 2019-10-10 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Pole piece forming device and pole piece forming method |
| CN112776391A (en) * | 2020-12-18 | 2021-05-11 | 蜂巢能源科技有限公司 | Processing device and processing method for rolling and wrinkle removing of pole piece |
| CN115138683A (en) * | 2022-09-02 | 2022-10-04 | 中创新航科技股份有限公司 | Pole piece rolling equipment |
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| CN109664539B (en) | 2024-05-03 |
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