CN105633336B - Calendering device - Google Patents
Calendering device Download PDFInfo
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- CN105633336B CN105633336B CN201510992150.XA CN201510992150A CN105633336B CN 105633336 B CN105633336 B CN 105633336B CN 201510992150 A CN201510992150 A CN 201510992150A CN 105633336 B CN105633336 B CN 105633336B
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- stack
- skewback
- film
- calendering
- calendering device
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- 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
-
- 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
- H01M4/043—Processes of manufacture in general involving compressing or compaction
- H01M4/0435—Rolling or calendering
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a calendering device which comprises a first calendering roller and a second calendering roller which are arranged in parallel, wherein a first isolating film is coated on the first calendering roller, a second isolating film is coated on the second calendering roller, the release force of the first isolating film is greater than that of the second isolating film, materials are attached to the first isolating film under the extrusion of the first calendering roller and the second calendering roller, and the outer surfaces of the first calendering roller and the second calendering roller are cambered surfaces. The invention has the beneficial effects that: the size of the release force of the isolating membrane coated on the two calendering rollers is different, so that the calendered film is adhered to the isolating membrane with large release force and is taken away by the isolating membrane, the two calendering rollers are cambered rollers, the calendered film is more uniform, and the phenomena that the middle of the calendered film is thick and the two ends of the calendered film are thin are avoided.
Description
Technical field
The present invention relates to a kind of calender field more particularly to a kind of calendering devices.
Background technology
In cell production process, the benefit lithium technique of electrodes of lithium-ion batteries is the key that improve capacity of lithium ion battery skill
Art, the key for mending lithium technique are that pressure is ground and overlay film, calendering technology are exactly that the lithium band that thickness is 0.25mm~0.5mm is rolled into
Lithium film, and it is attached to a kind of technique on tracting film.In the prior art, it is difficult to by lithium band be rolled into thickness for 0.003~
The film of 0.005m, and due on the bearing position at the both ends for acting on stack of exerting pressure, larger pressure (each 3T in left and right~
Under 5T) pressing, the roll surface of stack can generate Light deformation, cause the film of calendering out can thick middle, both sides it is thin, reduce lithium film
Quality.
The content of the invention
The technical problem to be solved in the present invention is, for drawbacks described above of the prior art, provides a kind of calendering device.
The technical solution adopted by the present invention to solve the technical problems is：
The present invention also provides a kind of calendering devices, including the first stack and the second stack being arranged in parallel, described
The first isolation film is coated on one stack, the second isolation film is coated on second stack, first isolation film
Off-type force is more than the off-type force of second isolation film, and material is under the extruding of first stack and second stack
It is attached on first isolation film, the outer surface of first stack and second stack is cambered surface.
In calendering device of the present invention, fine tuning is provided between first stack and second stack
Clearance mechanism, the fine tuning clearance mechanism include motor, screw, the first skewback, the second skewback, the 3rd skewback and the 4th skewback；
The motor is connected with the screw rod transmission, and the screw drives first skewback described in by helicitic texture
The axis direction movement of screw, first skewback are slidably connected and drive above and below second skewback with second skewback
Mobile, one end of the 3rd skewback is fixed on second skewback, and the other end of the 3rd skewback extends to described the
Between one stack and second stack, the 4th skewback is fixed on first stack or second stack
On, the 3rd skewback moves left and right the 4th skewback in moving up and down.
In calendering device of the present invention, the both sides of the 3rd skewback are respectively arranged with row's roller.
In calendering device of the present invention, first stack is provided at both ends with first bearing seat, and described
Two stacks are provided at both ends with second bearing seat, and pressure exerting arrangement is provided in the second bearing seat.
In calendering device of the present invention, the pressure exerting arrangement includes oil cylinder and pressure sensor, and the oil cylinder is consolidated
It is scheduled in rack, the pressure sensor is fixed in the second bearing seat and positioned at the second bearing seat and the oil
Between cylinder, sense the oil cylinder in the pressure sensor and act on actually exerting pressure in the second bearing seat and be more than or small
When preset value, the oil cylinder is controlled to change output pressure.
In calendering device of the present invention, the first bearing seat is fixed in rack, is provided in the rack
Upper guide holder and lower guide holder, the upper guide holder clamp the second bearing seat with the lower guide holder.
In calendering device of the present invention, the material is rolled by first stack and second stack
Into film, the film is attached on first isolation film, and the both sides of the film are respectively arranged with color mark sensor, described
Color mark sensor is located at the edge of the film web cross direction.
In calendering device of the present invention, the thickness of the film is 0.003mm~0.005mm.
In calendering device of the present invention, the material is lithium film.
In calendering device of the present invention, the diameter at the first stack both ends is less than in first stack
The diameter in portion, the diameter at the second stack both ends are less than the diameter in the middle part of second stack.
In conclusion implementing a kind of calendering device of the present invention, have the advantages that：First, two pressures are coated on
Prolong the of different sizes of the off-type force of the isolation film on roller, so that the film after calendering is adhered on the big isolation film of off-type force and quilt
The isolation film is taken away.Secondly, two stacks are cambered surface roller, make the film that calendering comes out evenly, calendering are avoided to come out thin
There is the phenomenon that thick middle, both ends are thin in film.3rd, the application uses the size that closed-loop control is exerted pressure, and makes to exert pressure in very little
In the range of steadily operate.4th, fine tuning clearance mechanism is provided between two stacks, to adjust between two stacks
Working clearance enables the calendering device of the application to roll different-thickness supplied materials.5th, the both sides of lithium film are respectively arranged with colour code biography
Sensor, two color mark sensors are located at the edge of lithium film web cross direction, so as to send alarm signal when deviation-rectifying system occurs abnormal
Number, and make system-down.Finally, thickness can be 0.25mm~0.5mm's by repeatedly rolling by the calendering device of the application
Lithium band is rolled into the lithium film that thickness is 0.003mm~0.005mm.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is a kind of structure diagram of calendering device provided in an embodiment of the present invention；
Fig. 2 is the unreeling structure of the isolation film of calendering device shown in Fig. 1 and the schematic diagram of rolling-up mechanism；
Fig. 3 is the schematic diagram of the fine tuning clearance mechanism of calendering device shown in Fig. 1.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, a kind of calendering device that present pre-ferred embodiments provide, including the first stack being arranged in parallel
1 and second stack 2, the first isolation film 3 is coated on the first stack 1, and the second isolation film 4 is coated on the second stack 2,
The off-type force of first isolation film 3 is more than the off-type force of the second isolation film 4, and material 500 is in the first stack 1 and the second stack 2
Extruding under be adhered on the first isolation film 3, the outer surface of the first stack 1 and the second stack 2 is cambered surface.
The calendering device of the present invention material 500 of the thickness more than 0.25mm can be rolled into thickness for 0.003~
The film of 0.005mm.The material 500 of the present embodiment is lithium band, and since the supplied materials thickness of lithium band has difference, above-mentioned calendering device leads to
It crosses the lithium band that repeatedly thickness can be 0.25mm~0.5mm by calendering and is rolled into the lithium film that thickness is 0.003mm~0.005mm.
It is understood that the application does not limit the specific material of material 500, material can also be copper strips etc..
In calender line, in order not to which lithium film is made to be adhered on the first stack 1 and the second stack 2, it is necessary at two
Isolation film is set between stack and lithium film, so that lithium film is isolated with two stacks.With reference to shown in Fig. 2, the two of isolation film
End is connected on unreeling structure 100 and rolling-up mechanism 200, since unreeling structure 100 and rolling-up mechanism 200 are existing skill
The conventional techniques of art, details are not described herein for concrete structure.In order to avoid the lithium film rolled be attached to simultaneously two every
From on film, the off-type force of two isolation films of the application it is of different sizes, the lithium film rolled is attached to the big isolation of off-type force
On film and it is pulled away.In the present embodiment, the off-type force of the first isolation film 3 is more than the off-type force of the second isolation film 4, and lithium film is attached to
It is taken away on first isolation film 3 and by the first isolation film 3.
As shown in Figure 1, calendering device includes rack (non-label), feeding mechanism, roller mechanism, fine tuning are provided in rack
Clearance mechanism 5, color mark sensor 6 and pressure exerting arrangement 7.Wherein, roller mechanism includes the first stack 1 and the second stack 2, the
One stack 1 is provided at both ends with first bearing seat 10, and the second stack 2 is provided at both ends with second bearing seat 20, pan feeding machine
Material 500 (such as lithium band) is sent between the first stack 1 and the second stack 2 by structure.Two stacks of the application respectively with
Two servo motor transmission connections, and rotated under the drive of servomotor, due to the transmission between stack and servomotor
Conventional techniques of the prior art are connected as, therefore details are not described herein with structure for its specific connection mode.
Pressure exerting arrangement 7 is used to apply pressure to stack, exerts pressure respectively on the bearing position at stack both ends, due to
Stack is in the course of exerting pressure of larger pressure (be more than 3T), the phenomenon that roll surface can generate Light deformation, causes the lithium of calendering out
The phenomenon that film is present with thick middle, both ends are thin.In order to overcome this phenomenon, the first stack 1 and the second stack 2 of the application
It is cambered surface roller, is exactly the broad in the middle of stack, small in ends, entire roll surface is arc-shaped.
Lithium band is rolled into lithium film by stack under the exerting pressure of pressure exerting arrangement 7, and lithium film is made to be attached on isolation film.This
In embodiment, exerting pressure for pressure exerting arrangement 7 is acted on the second stack 2, and pressure exerting arrangement 7 includes oil cylinder 71 and pressure sensor
72, oil cylinder 71 is fixed in rack, and exerting pressure for oil cylinder 71 is acted on the second stack 2, so that the second stack 2 compresses lithium
Band；For sensing actually exerting pressure for oil cylinder 71, pressure sensor 72 is fixed in second bearing seat 20 pressure sensor 72, and
Between oil cylinder 71 and second bearing seat 20.
Since the size exerted pressure is also to determine the element of calendering lithium film quality, what the application was exerted pressure using closed-loop control
Size, making to exert pressure steadily operates in the range of very little.Specifically, controller (not shown) is default to setting one of exerting pressure
Value, pressure sensor 72, which senses, actually exerts pressure, if actually exerted pressure more than or less than preset value, controller sends instruction and adjusts
The pressure of 71 fuel feeding of fuel-economizing cylinder, so as to reach the relative equilibrium exerted pressure by changing the output pressure of oil cylinder 71.
Directive wheel 300 and lower directive wheel 400 are additionally provided in rack, upper directive wheel 300 sets up separately with lower directive wheel 400
The upper and lower of second bearing seat 20, and the upper-lower position for clamping second bearing seat 20.Since second bearing seat 20 is being rolled
It can be subject to very big upper and lower radial active force in the process, if simply can not only damage guide part by guide post (not shown) stress,
Nor stablize, the effect of upper and lower directive wheel is exactly that while allowing the second bearing seat 20 flexibly to move left and right, can bear more
Big radial load.In the present embodiment, the second stack 2 is pressure roller.
It is formed with to roll the working clearance of lithium band between first stack 1 and the second stack 2, due to coming for lithium band
Material thickness has difference, and the required working clearance also differs, therefore the size of working clearance is just in the case where calendering force is constant
Seem especially important.In the present embodiment, fine tuning clearance mechanism 5 is provided between the first stack 1 and the second stack 2, this is micro-
Clearance mechanism 5 is adjusted for adjusting the size of the working clearance between the first stack 1 and the second stack 2.
As shown in figure 3, fine tuning clearance mechanism 5 include motor 51, speed reducer 52, guide rail 53, screw 54, the first skewback 55,
Second skewback 56, the 3rd skewback 57, the 4th skewback 58 and roller 59.Wherein, motor 51 is respectively fixed on the machine frame with guide rail 53,
Motor 51 is sequentially connected with speed reducer 52, and one end of screw 54 is connected on speed reducer 52, and turns under the drive of speed reducer 52
Dynamic, the other end of screw 54 is connected to by helicitic texture on the first skewback 55, and the first skewback 55 is slidably connected to guide rail
On 53.Second skewback 56 is slidably connected to the junction of the top of the first skewback 55, the first skewback 55 and the second skewback 56
Inclined surface is provided with, the first skewback 55 slides up and down the second skewback 56 in slip.Preferably, one end of the second skewback 56 is set
Limited block (non-label) is equipped with, to limit 56 displacement in the horizontal direction of the second skewback, makes the second skewback 56 that can only move up and down.
One end of 3rd skewback 57 is fixed on the upper surface of the second skewback 56, and the other end of the 3rd skewback 57 is embedded in the first stack 1
It is slidably connected between the second stack 2, and with the 4th skewback 58, the 3rd skewback 57 is fixed on the second skewback 56 and follows
Two skewbacks 56 move up and down.4th skewback 58 is fixed in first bearing seat 10 or second bearing seat 20, the 3rd skewback 57 and
The junction of four skewbacks 58 is provided with inclined surface, and the 3rd skewback 57 moves left and right the 4th skewback 58 in moving up and down, so as to
Change the size of working clearance between the first stack 1 and the second stack 2.
Preferably, in order to reduce between the 3rd skewback 57 and the 4th skewback 58 and between the 3rd skewback 57 and bearing block
Frictional force, improve trimming precision, two stress surfaces of the 3rd skewback 57 are provided with two rows of rollers 59.
In the present embodiment, the 4th skewback 58 is fixed in first bearing seat 10, the 3rd skewback 57 and second bearing seat 20 it
Between and the 3rd skewback 57 and the 4th skewback between be respectively arranged with row's roller 59.First skewback 55 coordinates with the second skewback 56
Between gradient be 10:0.8, the gradient between the 3rd skewback 57 and the 4th skewback 58 is 10:1.25, the helical pitch of screw 54 is
2mm, the speed of speed reducer is than being 60:1.When adjusting the working clearance, start motor 51 and speed reducer 52 is driven to rotate, 52 turns of speed reducer
Working clearance between two stacks of a dynamic circle changes 0.02mm, and the working clearance that motor 51 is rotated between two stacks of circle changes
Become 0.0003333mm.
As shown in Figure 1, color mark sensor 6 is mounted on one side of first stack 1 away from the second stack 2, colour code sensing
The laser beam of device 6 is perpendicular to the center of circle of the first stack 1.In the present embodiment, color mark sensor 6 includes two, and two colour codes pass
Sensor 6 sets up separately in the both sides of lithium film, and positioned at the edge of lithium film web cross direction.During normal production, lithium film is attached to the first isolation
It on film 3, is taken away, will not be adhered on the first stack 1 by the first isolation film 3.When deviation-rectifying system occurs abnormal, lithium film and the
The central part overlapping of one isolation film 3, lithium film cannot be taken away completely by the first isolation film 3, will be adhered on the first stack 1.
Since lithium film is different from the color of the first stack 1, color mark sensor 6 will sense the lithium film being attached on stack, hair
Go out alarm signal, system will be shut down.
In conclusion implementing a kind of calendering device of the present invention, have the advantages that：First, two pressures are coated on
Prolong the of different sizes of the off-type force of the isolation film on roller, so that the film after calendering is adhered on the big isolation film of off-type force and quilt
The isolation film is taken away.Secondly, two stacks are cambered surface roller, make the film that calendering comes out evenly, calendering are avoided to come out thin
There is the phenomenon that thick middle, both ends are thin in film.3rd, the application uses the size that closed-loop control is exerted pressure, and makes to exert pressure in very little
In the range of steadily operate.4th, fine tuning clearance mechanism is provided between two stacks, to adjust between two stacks
Working clearance enables the calendering device of the application to roll different-thickness supplied materials.5th, the both sides of lithium film are respectively arranged with colour code biography
Sensor, two color mark sensors are located at the edge of lithium film web cross direction, so as to send alarm signal when deviation-rectifying system occurs abnormal
Number, and make system-down.Finally, thickness can be 0.25mm~0.5mm's by repeatedly rolling by the calendering device of the application
Lithium band is rolled into the lithium film that thickness is 0.003mm~0.005mm.
Although the present invention is illustrated by specific embodiment, it will be appreciated by those skilled in the art that, it is not departing from
In the case of the scope of the invention, various conversion and equivalent substitute can also be carried out to the present invention.In addition, for particular condition or material
Material, can do various modifications, without departing from the scope of the present invention to the present invention.Therefore, the present invention is not limited to disclosed tool
Body embodiment, and the whole embodiments fallen within the scope of the appended claims should be included.
Claims (10)
1. a kind of calendering device, which is characterized in that described including the first stack (1) being arranged in parallel and the second stack (2)
The first isolation film (3) is coated on first stack (1), the second isolation film (4), institute are coated on second stack (2)
The off-type force for stating the first isolation film (3) is more than the off-type force of second isolation film (4), and material (500) is in the described first calendering
Be attached under the extruding of roller (1) and second stack (2) on first isolation film (3), first stack (1) with
The outer surface of second stack (2) is cambered surface.
2. calendering device according to claim 1, which is characterized in that first stack (1) and the described second calendering
Fine tuning clearance mechanism (5) is provided between roller (2), the fine tuning clearance mechanism (5) includes motor (51), screw (54), first
Skewback (55), the second skewback (56), the 3rd skewback (57) and the 4th skewback (58)；
The motor (51) is sequentially connected with the screw (52), and the screw (52) drives described first tiltedly by helicitic texture
Block (55) is moved along the axis direction of the screw (52), and first skewback (55) is slided with second skewback (56) to be connected
It connects and second skewback (56) is driven to move up and down, one end of the 3rd skewback (57) is fixed on second skewback
(56) on, the other end of the 3rd skewback (57) extend to first stack (1) and second stack (2) it
Between, the 4th skewback (58) is fixed on first stack (1) or second stack (2), the 3rd skewback
(57) move left and right in moving up and down the 4th skewback (58).
3. calendering device according to claim 2, which is characterized in that the both sides of the 3rd skewback (3) are respectively arranged with
One row's roller (59).
4. calendering device according to claim 1, which is characterized in that first stack (1) is provided at both ends with
One bearing block (10), second stack (2) are provided at both ends with second bearing seat (20), on the second bearing seat (20)
It is provided with pressure exerting arrangement (7).
5. calendering device according to claim 4, which is characterized in that the pressure exerting arrangement (7) includes oil cylinder (71) and pressure
Force snesor (72), the oil cylinder (71) are fixed in rack, and the pressure sensor (72) is fixed on the second bearing seat
(20) on and between the second bearing seat (20) and the oil cylinder (71), institute is sensed in the pressure sensor (72)
State oil cylinder (71) act in the second bearing seat (20) when actually exerting pressure more than or less than preset value, control the oil
Cylinder (71) changes output pressure.
6. calendering device according to claim 4, which is characterized in that the first bearing seat (10) is fixed in rack,
Guide holder (300) and lower guide holder (400), the upper guide holder (300) and the lower guide holder are provided in the rack
(400) second bearing seat (20) is clamped.
7. calendering device according to claim 1, which is characterized in that the material (500) is by first stack (1)
Film is rolled into second stack (2), the film is attached on first isolation film (3), and the two of the film
Side is respectively arranged with color mark sensor (6), and the color mark sensor (6) is located at the edge of the film web cross direction.
8. calendering device according to claim 7, which is characterized in that the thickness of the film for 0.003mm~
0.005mm。
9. calendering device according to claim 1, which is characterized in that the material (500) is lithium film.
10. calendering device according to claim 1, which is characterized in that the diameter at the first stack (1) both ends is less than
Diameter in the middle part of first stack (1), the diameter at the second stack (2) both ends are less than second stack (2)
The diameter at middle part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992150.XA CN105633336B (en) | 2015-12-25 | 2015-12-25 | Calendering device |
| PCT/CN2015/099533 WO2017107232A1 (en) | 2015-12-25 | 2015-12-29 | Calendering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992150.XA CN105633336B (en) | 2015-12-25 | 2015-12-25 | Calendering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105633336A CN105633336A (en) | 2016-06-01 |
| CN105633336B true CN105633336B (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510992150.XA Active CN105633336B (en) | 2015-12-25 | 2015-12-25 | Calendering device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105633336B (en) |
| WO (1) | WO2017107232A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180189B (en) * | 2016-07-25 | 2019-07-12 | 宁德时代新能源科技股份有限公司 | Multi-roll calendering device |
| CN109256526B (en) * | 2017-07-12 | 2024-05-10 | 宁德时代新能源科技股份有限公司 | Pole piece lithium supplementing device |
| CN108453981B (en) * | 2018-02-24 | 2024-01-30 | 深州市工程塑料有限公司 | Heavy metal ion adsorption film continuous calendaring equipment and method for preparing adsorption film by using same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60177904A (en) * | 1984-02-24 | 1985-09-11 | Kawasaki Steel Corp | Method for preventing biting-stop in rolling mill |
| JPH08250113A (en) * | 1995-03-09 | 1996-09-27 | Honjiyou Kinzoku Kk | Manufacture of negative electrode for lithium battery |
| CN201863464U (en) * | 2010-10-12 | 2011-06-15 | 东莞市科硕机械科技有限公司 | Rolling device of lithium battery diaphragm compound machine |
| CN102723461B (en) * | 2012-06-29 | 2014-08-20 | 深圳市赢合科技股份有限公司 | Pole piece roller compression machine |
| CN103325995B (en) * | 2013-06-19 | 2015-08-19 | 宁德新能源科技有限公司 | Roll-forming method and device and base material |
| CN104259200B (en) * | 2014-09-17 | 2015-12-09 | 常熟泓淋电子有限公司 | Flexible flat wire sectional type calendering formation device |
-
2015
- 2015-12-25 CN CN201510992150.XA patent/CN105633336B/en active Active
- 2015-12-29 WO PCT/CN2015/099533 patent/WO2017107232A1/en active Application Filing
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| WO2017107232A1 (en) | 2017-06-29 |
| CN105633336A (en) | 2016-06-01 |
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Effective date of registration: 20171221 Address after: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 Applicant after: Contemporary Amperex Technology Co.,Ltd. Address before: Dalingshan Town Village 523820 chicken wings in Guangdong province Dongguan City Pine Road smart Industrial Park plant on the third floor B District Applicant before: DONGGUAN JITAI INTELLIGENT EQUIPMENT Co.,Ltd. |
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