CN107123786A - A kind of air-flotation type roll forming machine - Google Patents
A kind of air-flotation type roll forming machine Download PDFInfo
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- CN107123786A CN107123786A CN201710459263.2A CN201710459263A CN107123786A CN 107123786 A CN107123786 A CN 107123786A CN 201710459263 A CN201710459263 A CN 201710459263A CN 107123786 A CN107123786 A CN 107123786A
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- Prior art keywords
- air
- barrier film
- rolling
- forming machine
- roll forming
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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
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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)
- Battery Electrode And Active Subsutance (AREA)
Abstract
本发明涉及电池极片轧膜设备技术领域，尤其涉及一种气浮式轧膜机，沿放卷带料移动方向依次设有放卷装置、热轧装置和收卷装置，放卷装置的一侧设置有用于放卷上隔离膜覆盖于带料上方的上隔离膜放卷机构、其另一侧设置有用于放卷下隔离膜覆盖于带料下方的下隔离膜放卷机构。本发明通过在极片带料轧膜前在极片带料的两侧覆盖上隔离膜和下隔离膜，使上隔离膜和下隔离膜随着极片带料进入轧机进行轧膜，防止轧机走料过程中“咬入”拽拖涂层极片的方式，克服了“咬入”拽拖走料引起涂层中的颗粒随“咬入”拽拖水平移动平行滑移，能有效克服涂层与集流体胶体粘合结构受到破坏的问题，有利于提高极片热压品质，进一步提高电池品质。
The present invention relates to the technical field of film rolling equipment for battery pole pieces, in particular to an air-floating film rolling machine, which is provided with an unwinding device, a hot rolling device and a winding device in sequence along the moving direction of the unwinding strip, and one part of the unwinding device is One side is provided with an upper isolation film unwinding mechanism for unwinding the upper isolation film covering the strip material, and the other side is provided with a lower isolation film unwinding mechanism for unwinding the lower isolation film covering the strip material. In the present invention, the upper and lower isolation films are covered on both sides of the pole piece strip before the film rolling of the pole piece strip material, so that the upper isolation film and the lower isolation film enter the rolling mill with the pole piece strip material for film rolling, preventing the rolling mill The method of "biting in" and dragging the coated pole piece during the feeding process overcomes the "biting" dragging of the material and causes the particles in the coating to move horizontally and parallelly with the "biting" dragging, which can effectively overcome the coating. The problem of damage to the colloidal bonding structure between the layer and the current collector is conducive to improving the hot-pressing quality of the pole piece and further improving the quality of the battery.
Description
Technical field
Film device technical field, more particularly to a kind of air-flotation type roll forming machine are rolled the present invention relates to battery pole piece.
Background technology
Positive pole, the cathode pole piece of lithium ion battery are lithium ion battery Primary Components.Positive pole, cathode pole piece, respectively by just
Pole, negative electrode active material powder body material first prepare slurry, then, and two of copper foil of affluxion body or aluminium foil are coated on by coating machine
Surface, forms the Coating of one layer of uniform thickness.Due to the inconsistent influence of active material powder granule particle size and
The bubble that differs in size in coating paste is present, and the heap density and uniformity of Coating are it is difficult to ensure that uniformity, in order to carry
The compactness of high active substance coating is, it is necessary to which by rolling membrane process together, rolling the quality of film and the performance of lithium ion battery has
Very close relationship, rolls that the coating after film is uneven or rolling film causes coating and collector bonding strength inconsistent, will cause
Lithium ion battery internal resistance is inconsistent, and each region internal resistance of Coating is inconsistent, may result in the big region heating of internal resistance, seriously
When, even result in thermal runaway.The membrane process that rolls of existing electrodes of lithium-ion batteries roll forming machine is：Between topping roll and bottom roll
Gap is that battery pole piece rolls film station, and lithium ion battery coating pole piece is synchronously inverse with bottom roll as topping roll turns clockwise
Hour hands rotation drags to drag by " biting " to be moved horizontally, and it is pulled process, is also the process of roll compacting, and the finishing coat of coating pole piece two is lived
Property material with drag drag move horizontally parallel slip flowing, and topping roll and bottom roll squeezing action, make active material particle
Between gap be extruded, play increase compactness effect；But, the particle in a part of coating is dragged with coating pole piece drags water
It is to be flowed in the way of parallel slip that translation is dynamic, and these parallel slip flow particles do not play the compactness of increase coating
Effect.Film dynamics research is rolled to show：Lithium ion battery coating pole piece rolling process needs → " drag and drag " → by " biting " " to roll
Pressure " three phases.Collection liquid surface coating parallel slip is substantially the effect of the adhesion arrangement formation tension of coating and collector.
Parallel slip amount is bigger, and tension effect is more obvious, and this tension effect is destroyed the glued construction of coating and collector, applies
After layer particle declines with collector bonding strength, the conductive internal resistance increase of lithium ion battery, or even cause the finishing coat of pole piece two
Occur mechanicalness with the glued construction of collector to peel off.
Some roll forming machines drag the parallel slip flow field problem moved horizontally with dragging to mitigate coating, are rolled using major diameter
Roller, using the orthodrome extrusion coating of major diameter roll, although the orthodrome extrusion coating of major diameter roll compares small diameter roller
Small arc-shaped extrusion coating can suitably improve rolling process and " bite " contact area of contact angle, but dragging to drag moves horizontally, collection
The tension effect of flow surface coating parallel slip, collector and coating two-phase interface layer does not change.
The content of the invention
To solve the above problems, present invention offer, which can overcome milling train to roll the appearance in membrane process " biting ", causes the bright face of pole piece
A kind of air-flotation type roll forming machine that the adhesion mechanism sounding mechanicalness of coating and collector is peeled off.
The technical solution adopted in the present invention is：
A kind of air-flotation type roll forming machine, unwinding device, hot-rolling arrangement and winding dress are sequentially provided with along strip moving direction is unreeled
Put, the side of the unwinding device be provided with for unreel upper barrier film unreeling structure that upper barrier film is covered in above strip,
Its opposite side is provided with for unreeling the lower barrier film unreeling structure that lower barrier film is covered in below strip.
Wherein, in addition to it is arranged at wrap-up side and is used to dragging, collecting the upper barrier film rolling-up mechanism of barrier film,
It is arranged at the lower barrier film rolling-up mechanism that wrap-up opposite side is used to dragging, collecting lower barrier film.
Wherein, the hot-rolling arrangement includes electrocaloric effect and milling train, and the electrocaloric effect is arranged at the feed end of milling train, described to roll
Machine includes being arranged at pushing air supporting mechanism and Shang Tui air supportings mechanism on the same vertical plane of strip moving direction.
Wherein, the air supporting mechanism that pushes includes pushing driver element and lower knobbling rolls, and the Shang Tui air supportings mechanism includes
Driver element and pressure-bearing roll are above pushed away, the gap that ribbon supply material passes through is left between the lower knobbling rolls and pressure-bearing roll.
Wherein, the lower knobbling rolls is connected with reducing motor by highly elastic shaft coupling, and the lower knobbling rolls is provided with master
Moving gear, the pressure-bearing roll is provided with driven gear, and the driving gear is engaged with driven gear.
Wherein, it is described to push driver element and above push away driver element including promoting oil cylinder and air supporting pressure watt, it is described to promote
The output end of oil cylinder is connected with air supporting pressure watt, and the air supporting pressure watt offers the arc agreed with lower knobbling rolls and pressure-bearing roll circumference
Type groove.
Wherein, the cambered surface of the arc shaped groove is provided with airslide and injecting hole, and the injecting hole is connected with airslide.
Wherein, the airslide is included in the first U-type groove and the second U-type groove being arranged symmetrically in arc shaped groove, the first U
Type groove and the second U-type groove are tangent, and the injecting hole is located at the point of contact of the first U-type groove and the second U-type groove.
Wherein, the unwinding device and wrap-up include air-expanding shaft and servomotor, the servomotor and inflatable
Axle is connected.
Wherein, the unwinding device, upper barrier film unreeling structure, lower barrier film unreeling structure, wrap-up, upper barrier film
Rolling-up mechanism and lower barrier film rolling-up mechanism are equipped with governing mechanism of tension, and the governing mechanism of tension is by some guide roller sets
Into.
Beneficial effects of the present invention are:
The present invention is made by covering barrier film and lower barrier film in the both sides of pole piece strip before pole piece strip rolls film
Barrier film and lower barrier film carry out rolling film as pole piece strip enters milling train, prevent milling train " bites " to drag during walking to expect from dragging coating
The mode of pole piece, overcomes " biting " and drags and drag material away and cause the particle in coating to drag to drag with " biting " and move horizontally parallel slip,
The problem of effectively overcoming coating with collector colloid glued construction by destruction, is conducive to improving pole piece hot pressing quality, enters one
Step improves battery quality.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation at another visual angle of the present invention；
Fig. 3 is the structural representation of milling train of the present invention；
Fig. 4 is the left view of milling train of the present invention；
Fig. 5 is the front view of air supporting of the present invention pressure watt；
Fig. 6 is the profile of air supporting of the present invention pressure watt；
Fig. 7 is the profile that watt another location is pressed in air supporting of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Fig. 1~Fig. 2, a kind of air-flotation type roll forming machine, along unreel strip moving direction be sequentially provided with unwinding device 1,
Hot-rolling arrangement and wrap-up 2, the side of unwinding device 1 be provided with for unreel upper barrier film be covered in above strip on every
It is provided with from film unreeling structure 11, its opposite side for unreeling the lower barrier film unreeling structure that lower barrier film is covered in below strip
12.The present invention makes isolation by covering barrier film and lower barrier film in the both sides of pole piece strip before pole piece strip rolls film
Film and lower barrier film carry out rolling film as pole piece strip enters milling train 32, prevent milling train 32 " bites " to drag during walking to expect from dragging coating
The mode of pole piece, overcomes " biting " and drags and drag material away and cause the particle in coating to drag to drag with " biting " and move horizontally parallel slip,
The problem of effectively overcoming coating with collector colloid glued construction by destruction, is conducive to improving pole piece hot pressing quality, enters one
Step improves battery quality.
Also include being arranged at the upper barrier film rolling-up mechanism 21 that the side of wrap-up 2 is used to dragging, collecting barrier film, if
The lower barrier film rolling-up mechanism 22 that the opposite side of wrap-up 2 is used to dragging, collecting lower barrier film is placed in, is wound using upper barrier film
22 pairs of upper barrier films of mechanism 21 and lower barrier film rolling-up mechanism and lower barrier film are dragged while winding drags barrier film with
Barrier film, makes barrier film and the stable movement of lower barrier film, and the surface tension of upper barrier film and lower barrier film is more steady, improves
Roll the stability of membrane process.
Hot-rolling arrangement includes electrocaloric effect 31 and milling train 32, and electrocaloric effect 31 is arranged at the feed end of milling train 32, and milling train 32 includes
It is arranged at pushing air supporting mechanism 4 and Shang Tui air supportings mechanism 5 on the same vertical plane of strip moving direction, pushes air supporting mechanism 4
The point contacted respectively with pole piece strip with Shang Tui air supportings mechanism 5 on the same line, effectively carries out pressure rolling to pole piece strip, improves
Roll film quality and stability.
As seen in figures 3-5, pushing air supporting mechanism 4 includes pushing driver element 41 and lower knobbling rolls 42, Shang Tui air supportings mechanism
5 include above pushing away driver element 51 and pressure-bearing roll 52, are left between lower knobbling rolls 42 and pressure-bearing roll 52 between ribbon supply material passes through
Gap, carries out pressure rolling to pole piece strip by lower knobbling rolls 42 and pressure-bearing roll 52, reduces pole piece strip in lower knobbling rolls 42 and hold
The frictional force moved between knobbling rolls 52, raising rolls membrane efficiency and rolls film quality.
Lower knobbling rolls 42 is connected with reducing motor 6 by highly elastic shaft coupling, and lower knobbling rolls 42 is provided with driving gear 7,
Pressure-bearing roll 52 is provided with driven gear 8, and driving gear 7 is engaged with driven gear 8, makes lower knobbling rolls 42 and pressure-bearing roll 52 same
Step is rotated, and prevents lower knobbling rolls 42 is different with the peripheral velocity of pressure-bearing roll 52 from causing the coating compression of pole piece strip both sides uneven
Even, film quality is rolled in influence.
Pushing driver element 41 and above pushing away driver element 51 includes promoting oil cylinder 9 and air supporting pressure watt 10, promotes oil cylinder 9
Output end is connected with air supporting pressure watt 10, and air supporting pressure watt 10 offers the camber agreed with lower knobbling rolls 42 and the circumference of pressure-bearing roll 52
Groove 101, in the presence of oil cylinder 9 is promoted, two air supporting pressures watt 10 are opposite to promote lower knobbling rolls 42 and pressure-bearing roll 52, makes to push
Roll 42 and the opposite reasoning pressure rolling coating pole piece strip of pressure-bearing roll 52, upper barrier film, lower barrier film, due to coating pole piece band
The coating of material is by thermal softening, upper barrier film, the preferred stainless steel of material of lower barrier film, upper barrier film and lower barrier film it is two-way by
Under pressure effect, the coating of coating pole piece is compressed in vertical direction reaches the effect for rolling film.
As shown in Fig. 5~7, the cambered surface of arc shaped groove 101 is provided with airslide and injecting hole 102, and injecting hole 102 connects with airslide
It is logical, roll in membrane process, inject high pressure air in the injecting hole 102 of air supporting pressure watt 10, high pressure air enters arc shaped groove
101, high high compression air is distributed in air supporting pressure watt between 10 and lower knobbling rolls 42, pressure-bearing roll 52 in arc shaped groove 101, forms one
Layer air film layer, the air film layer of high pressure air formation serves air supporting pressure watt between 10 and lower knobbling rolls 42, pressure-bearing roll 52
Lubrication, it is to avoid air supporting pressure watt 10 and the wear damage of roller rotational relative motion, improve lower knobbling rolls 42, pressure-bearing
The service life of roll 52 and air supporting pressure watt 10.
Airslide is included in the first U-type groove 103 and the second U-type groove 104 being arranged symmetrically in arc shaped groove 101, the first U-type groove
103 and second U-type groove 104 it is tangent, injecting hole 102 is located at the point of contact of the first U-type groove 103 and the second U-type groove 104, by symmetrical
The first U-type groove 103 and the second U-type groove 104, the high pressure air sprayed from injecting hole 102 is uniformly distributed in arc
Contact surface between type groove 101 and lower knobbling rolls 42, pressure-bearing roll 52, improves lower knobbling rolls 42 and pressure-bearing roll 52 in air supporting pressure
The stability rotated in watts 10 arc shaped groove 101.
Unwinding device 1 and wrap-up 2 include air-expanding shaft 13 and servomotor 14, and servomotor 14 is passed with air-expanding shaft 13
Dynamic connection, by servomotor 14, accurately control air-expanding shaft 13 is unreeled and wound, and equipment operating efficiency and stability are higher.
Unwinding device 1, upper barrier film unreeling structure 11, lower barrier film unreeling structure 12, wrap-up 2, upper barrier film are received
Volume mechanism 21 and lower barrier film rolling-up mechanism 22 are equipped with governing mechanism of tension 15, and governing mechanism of tension 15 is by some deflector rolls
151 compositions, respectively play mitigation by the contact friction of radial surface between each deflector roll 151 and pole piece strip and rock, and improve tape transport
The effect of stability.
The present invention operation principle be：
The first step, upper barrier film unreeling structure 11, unwinding device 1, wrap-up 2, lower barrier film unreeling structure 12, on every
Worked asynchronously from film winder structure 22, lower barrier film rolling-up mechanism 21 with milling train 32, servomotor 14 drives the gas of wrap-up 2
Swelling shaft 13 is wound, and draws coating pole piece, the upper barrier film of upper barrier film rolling-up mechanism traction, under lower barrier film rolling-up mechanism traction every
It is synchronous to enter the heating coating of electrocaloric effect 31 pole piece, upper barrier film, lower barrier film from film.
Second step, after coating pole piece, upper barrier film, lower barrier film are heated, coating pole piece, upper barrier film, lower isolation
Film synchronously enters lower knobbling rolls 42, between pressure-bearing roll 52, and lower knobbling rolls 42 is by promoting oil cylinder 9 toward lower thrust, pressure-bearing roll 52
By the thrust for promoting oil cylinder 9, the air supporting pressure watt 10 for making to push driver element 4 and the air supporting for above pushing away driver element 5 are pressed watt
10 produce opposite thrust roll compacting coating pole piece, upper barrier film, lower barrier film, because the coating of coating pole piece is by thermal softening, on
Barrier film, the material of lower barrier film use stainless steel and keep its hardness, are acted in upper barrier film, lower barrier film bi-directional compression
Under, the coating of coating pole piece is compressed in vertical direction reaches the effect for rolling film.
Roll in membrane process, air supporting pressure watt 10 compresses lower knobbling rolls 42 and pressure-bearing roll 52, the injecting hole of air supporting pressure watt 10
102, high pressure air is injected, high pressure air enters arc shaped groove 101, and the inner high voltage compressed air of arc shaped groove 101 is distributed in
Air supporting pressure watt between 10 and lower knobbling rolls 42, compressed air of the air supporting pressure watt between 10 and pressure-bearing roll 52 is distributed in, forms one
Layer air film layer, the air film layer of high pressure air formation serves air supporting pressure watt 10 with lower knobbling rolls 42, air supporting pressure watt 10 with holding
Knobbling rolls 52 lubrication, it is to avoid air supporting pressure watt 10 and the wear damage of roller rotational relative motion.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of air-flotation type roll forming machine, unwinding device (1), hot-rolling arrangement and winding dress are sequentially provided with along strip moving direction is unreeled
Put (2), it is characterised in that the side of the unwinding device (1) is provided with to be covered in above strip for unreeling upper barrier film
Upper barrier film unreeling structure (11), its opposite side are provided with puts for unreeling the lower barrier film that lower barrier film is covered in below strip
Roll up mechanism (12).
2. a kind of air-flotation type roll forming machine according to claim 1, it is characterised in that also including being arranged at wrap-up (2) one
Side is used for the upper barrier film rolling-up mechanism (21) for dragging, collecting barrier film, and being arranged at wrap-up (2) opposite side is used to drag
Move, collect the lower barrier film rolling-up mechanism (22) of lower barrier film.
3. a kind of air-flotation type roll forming machine according to claim 1, it is characterised in that the hot-rolling arrangement includes electrocaloric effect (31)
With milling train (32), the electrocaloric effect (31) is arranged at the feed end of milling train (32), and the milling train (32) includes being arranged at and strip
Air supporting mechanism (4) and Shang Tui air supportings mechanism (5) are pushed on the same vertical plane of moving direction.
4. a kind of air-flotation type roll forming machine according to claim 3, it is characterised in that described to push under air supporting mechanism (4) includes
Driver element (41) and lower knobbling rolls (42) are pressed, the Shang Tui air supportings mechanism (5) includes above pushing away driver element (51) and pressure-bearing is rolled
Roller (52), the gap that ribbon supply material passes through is left between the lower knobbling rolls (42) and pressure-bearing roll (52).
5. a kind of air-flotation type roll forming machine according to claim 4, it is characterised in that the lower knobbling rolls (42) passes through high resiliency
Shaft coupling is connected with reducing motor (6), and the lower knobbling rolls (42) is provided with driving gear (7), pressure-bearing roll (52) peace
Equipped with driven gear (8), the driving gear (7) is engaged with driven gear (8).
6. a kind of air-flotation type roll forming machine according to claim 4, it is characterised in that described to push driver element (41) and above push away
Driver element (51) includes promoting oil cylinder (9) and air supporting pressure watt (10), the output end for promoting oil cylinder (9) and air supporting pressure watt
(10) connect, the air supporting pressure watt (10) offers the camber agreed with lower knobbling rolls (42) and pressure-bearing roll (52) circumference respectively
Groove (101).
7. a kind of air-flotation type roll forming machine according to claim 6, it is characterised in that the cambered surface of the arc shaped groove (101) is provided with
Airslide and injecting hole (102), the injecting hole (102) connect with airslide.
8. a kind of air-flotation type roll forming machine according to claim 7, it is characterised in that the airslide is included in arc shaped groove
(101) the first U-type groove (103) and the second U-type groove (104) being arranged symmetrically in, first U-type groove (103) and the second U-type groove
(104) contact surface is tangent, and the injecting hole (102) is located at the point of contact of the first U-type groove (103) and the second U-type groove (104).
9. a kind of air-flotation type roll forming machine according to claim 1, it is characterised in that the unwinding device (1) and wrap-up
(2) air-expanding shaft (13) and servomotor (14) are included, the servomotor (14) is connected with air-expanding shaft (13).
10. a kind of air-flotation type roll forming machine according to claim 2, it is characterised in that the unwinding device (1), upper barrier film
Unreeling structure (11), lower barrier film unreeling structure (12), wrap-up (2), upper barrier film rolling-up mechanism (21) and lower barrier film
Rolling-up mechanism (22) is equipped with governing mechanism of tension (15), and the governing mechanism of tension (15) is made up of some deflector rolls (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459263.2A CN107123786A (en) | 2017-06-16 | 2017-06-16 | A kind of air-flotation type roll forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459263.2A CN107123786A (en) | 2017-06-16 | 2017-06-16 | A kind of air-flotation type roll forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107123786A true CN107123786A (en) | 2017-09-01 |
Family
ID=59719853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710459263.2A Pending CN107123786A (en) | 2017-06-16 | 2017-06-16 | A kind of air-flotation type roll forming machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107123786A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115275086A (en) * | 2018-01-29 | 2022-11-01 | 株式会社Lg化学 | Electrode mounting unit and electrode drying device including the same |
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| US4352223A (en) * | 1978-08-31 | 1982-10-05 | Rieter Machine Work, Ltd. | Web crushing arrangement for a card web |
| CN102208603A (en) * | 2010-03-30 | 2011-10-05 | 比亚迪股份有限公司 | Polar plate of lithium ion battery and manufacturing method for lithium ion battery |
| CN102950152A (en) * | 2011-08-16 | 2013-03-06 | 赵宽 | Film rolling machine with horizontally parallel ceramic rollers for pole pieces of lithium batteries |
| CN103943823A (en) * | 2014-03-26 | 2014-07-23 | 中国科学院电工研究所 | Ultrasonic film-rolling machine for wave lithium ion battery pole pieces |
| CN204088458U (en) * | 2014-08-08 | 2015-01-07 | 邢台纳科诺尔极片轧制设备有限公司 | A kind of battery pole piece composite rolling roll squeezer |
| CN206921920U (en) * | 2017-06-16 | 2018-01-23 | 广东亿鑫丰智能装备股份有限公司 | An air flotation film rolling machine |
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2017
- 2017-06-16 CN CN201710459263.2A patent/CN107123786A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4352223A (en) * | 1978-08-31 | 1982-10-05 | Rieter Machine Work, Ltd. | Web crushing arrangement for a card web |
| CN102208603A (en) * | 2010-03-30 | 2011-10-05 | 比亚迪股份有限公司 | Polar plate of lithium ion battery and manufacturing method for lithium ion battery |
| CN102950152A (en) * | 2011-08-16 | 2013-03-06 | 赵宽 | Film rolling machine with horizontally parallel ceramic rollers for pole pieces of lithium batteries |
| CN103943823A (en) * | 2014-03-26 | 2014-07-23 | 中国科学院电工研究所 | Ultrasonic film-rolling machine for wave lithium ion battery pole pieces |
| CN204088458U (en) * | 2014-08-08 | 2015-01-07 | 邢台纳科诺尔极片轧制设备有限公司 | A kind of battery pole piece composite rolling roll squeezer |
| CN206921920U (en) * | 2017-06-16 | 2018-01-23 | 广东亿鑫丰智能装备股份有限公司 | An air flotation film rolling machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115275086A (en) * | 2018-01-29 | 2022-11-01 | 株式会社Lg化学 | Electrode mounting unit and electrode drying device including the same |
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Application publication date: 20170901 |
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