CN201108882Y - Battery pole piece two-sided coating machine - Google Patents
Battery pole piece two-sided coating machine Download PDFInfo
- Publication number
- CN201108882Y CN201108882Y CNU2007201900807U CN200720190080U CN201108882Y CN 201108882 Y CN201108882 Y CN 201108882Y CN U2007201900807 U CNU2007201900807 U CN U2007201900807U CN 200720190080 U CN200720190080 U CN 200720190080U CN 201108882 Y CN201108882 Y CN 201108882Y
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- China
- Prior art keywords
- pole piece
- drying baker
- battery pole
- base material
- unicoater
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a double-face coater for a battery pole piece, which comprises an unwinder, a rewinder and a drying box. An upper layer of hot blast spouts, a lower layer of hot blast spouts and two return air openings are respectively arranged in the drying box; each hot blast spout and each return air spout are respectively connected with a draught fan and a heater, and the two return air openings are respectively arranged at two ends of the box body of the drying box; outstretched pole piece parent metal on the unwinder passes through the drying box from the lower layer of hot blast spouts, passes through the drying box from the lower part of the upper layer of hot blast spouts after returning, and then winds on the rewinder; the positions of the pole piece parent metal for twice entering the drying box are respectively provided with coating heads. The double-face coater for the battery pole piece of the utility model provides double-face coating, and improves the productivity effect, in addition, and has the advantages of compact volume, small radiating area, energy conservation, environment protection and stable work, etc.
Description
Technical field
The present invention relates to a kind of equipment that is used to produce battery pole piece, specifically a kind of with being with the paper tinsel material to carry out quantity-produced battery pole piece unicoater.
Background technology
The battery pole piece coating machine is gone up coating one deck sp act material layer with dealing metal base (aluminium foil or Copper Foil), has just become positive and negative battery pole piece.Following this band paper tinsel material is abbreviated as the pole piece base material.Coating machine is divided into one side coater and unicoater, and a kind of one side coater of the prior art as shown in Figure 1.This coating machine has uncoiler 1 and winder 8, is provided with drying baker 3 between uncoiler and the winder, and the porch of drying baker is provided with dispense tip 2.During work, the pole piece base material that twines on the uncoiler 7 is stretched out from uncoiler, enters the drying baker oven dry behind the one side coating active material layer of dispense tip at base material, is wound on the winder then.After whole base materials all have been coated with, the another side of coated substrate again.Because one side coater at every turn can only be in the one side coating of battery pole piece, its efficient is low, energy consumption is big, four drying baker coating machines that generally use for example, its drying baker heating starting power is 4 * 27=108kw, work after stable is 4 * 18=72kw, if the coating of the base material single face of certain segment length needs 1 hour, so this base material all be coated with need consumption electric energy greater than 72 * 2=144kwh.
In order to solve the inefficient problem of one side coater, unicoater has appearred, this unicoater has two-layer drying baker up and down, the base material that stretches out from uncoiler is coated with one side through first dispense tip earlier, then through lower floor's drying machine drying, through the second dispense tip coated substrate another side, through the upper strata drying machine drying, be wound on the winder at last afterwards again.This unicoater once just can improve coating efficiency to active material layer on the base material two sided coatings, but does not solve the big problem of power consumption.And double-deck drying baker makes the height of coating machine increase greatly, need build higher factory building and hold, and increases investment, and the operator is also inconvenient up and down.
Drying baker structure of the prior art as shown in Figure 2, it is made of casing 9, centrifugal fan 10 and heater 11, casing top is provided with air inlet, air inlet is provided with deflector 5, is provided with hot air spout 6 between deflector and the pole piece base material; Blower fan is provided with air inlet 12, and the case bottom is provided with exhaust outlet 13.Since the dissymmetrical structure of the centrifugal fan of drying baker, the center air inlet through hollow shaft, peripheral tangential air draft, whole baking oven inlet and outlet must be placed respectively front and back, so front and back blast difference.Return air inlet produces negative pressure, makes the inevitable air draught of charging aperture.Because baking oven is a closed system when not opening fresh wind port, the charging aperture inspiration air, must discharge from discharging opening, form the pernicious gas systemic circulation, the gas of solvent evaporates has been flowed out outside the case, boundless and indistinctly be diffused into whole workshop, both be unfavorable for solvent recovery, it is healthy to influence the workman again.
In unicoater, in order to guarantee coating evenly, two dispense tips must work asynchronously simultaneously, and the speed strictness is consistent, otherwise pole piece material or accumulation are gradually perhaps broken.In order to address this problem, often in the prior art adopt dancer, Linear displacement transducer or regulate adjusting such as trackings automatically gradually, but these method cost height, adjustment process is long, and the bad selection of parameter is gone back and is vibrated easily, and installation and maintenance is inconvenience all.
Because unicoater is middle without rolling, double coating is turned back on the way, complete machine film path length has increased more than one times, reach more than 50 meter (four casees) or 65 meters (six casees), and major part is floated in baking oven, and the strong wind that stands 8～10 meter per seconds blows hard, and its movement locus is difficult to fix, if this is not corrected, can have a strong impact on the positional precision of coating for the second time and the flatness of rolling.
Coating machine since the gap strictness of last rotor and following applicator roll be consistent, about have two baffle plates to limit width again, the cross section of coating 14 is individual rectangles in theory, as shown in Figure 3.In fact, because the surface tension effects of liquid, coating and air contact interface dwindle as far as possible, and the right angle has become the angle, garden as a result, and the material of contraction is deposited in the edge becomes small bulge 15, as shown in Figure 4.Though this rectangular bulge is very little, only account for about 5% of coating gross thickness, reeling for thousands of layers through hundreds of accumulates, if the rolling edge again in good order, two-layer middle meeting forms micro gap 16, and the result causes the limit tight middle loose, hollow type material soft during the limit is hard is rolled up, as shown in Figure 5.This is breakneck quality accident, in the transportation transfer process of back, just in case the middle part is stressed, will can not cave in, and causes permanent deformation.
The utility model content
The technical problems to be solved in the utility model provides a kind of unicoater of producing battery pole piece, its efficient height, energy-conserving and environment-protective.
In order to address the above problem, the battery pole piece unicoater that provides of the present invention, comprise uncoiler, winder and drying baker, be respectively equipped with two-layer hot air spout and two return air inlets up and down in the described drying baker, each hot air spout links to each other with a blower fan and a heater respectively with each return air inlet, and two return air inlets are separately positioned on the two ends of drying baker casing; The pole piece base material that launches on the described uncoiler passes drying baker under lower floor's hot air spout, pass drying baker again under the hot air spout of upper strata after turning back, and is wrapped in then on the winder; The position that described pole piece base material enters described drying baker for twice is respectively equipped with dispense tip.
Further, described drying baker is provided with in pairs, and the described return air inlet of every pair of drying baker is symmetrical.
Further, the slit width of described hot air spout is 1～3mm.
Further, the slit width of described hot air spout is 2mm.
Further, described blower fan is arranged at the below of described casing.
Further, be provided with sync control device between described two dispense tips, described sync control device comprises the dancer that is connected to a lever one end, and described pole piece base material is walked around this dancer; The described lever other end is provided with counterweight, and the middle part is provided with fulcrum; The above and below of described lever is respectively equipped with position sensor.
Further, the exit at described drying baker two ends is provided with both arms pendulum deviation correcting device, described both arms pendulum deviation correcting device comprises a correction roller, walk around this correction roller from the pole piece base material that described drying baker exports out, described correction roller two ends are hinged to respectively in the swing arm, and it is one trapezoidal that described correction roller, two swing arms constitute; Described correction roller links to each other with a pusher, and the exit of described drying baker is provided with the position sensor that detects substrate location, and described position sensor links to each other with described pusher.
Further, described pusher drives by a motor and ball-screw.
Further, described winder comprises a wind-up roll, and described wind-up roll is provided with a position control, and the photometer head sensor that described position control and is arranged on base material one side links to each other.
Battery pole piece unicoater of the present utility model is providing double spread, when enhancing productivity, has also that volume is little, area of dissipation is little, energy-conserving and environment-protective, steady operation and other merits.
Description of drawings
Fig. 1 is the structural representation of a kind of battery pole piece one side coater in the prior art;
Fig. 2 is the structural representation of the drying baker of battery pole piece coating machine in the prior art;
Fig. 3 is the shape schematic diagram of coating under the perfect condition;
Fig. 4 is the true form schematic diagram of coating under surface tension effects;
Fig. 5 be after the pole piece base material is wound on the winder in the prior art two-layer between the schematic diagram of contact condition;
Fig. 6 is the structural representation of a kind of embodiment of battery pole piece unicoater of the present utility model;
Fig. 7 is the structural representation of the baker of coating machine of the present utility model;
Fig. 8 is the structural representation of the deviation correcting device of coating machine of the present utility model;
Fig. 9 is the upward view of deviation correcting device shown in Figure 8;
Figure 10 is the side view of deviation correcting device shown in Figure 8;
Figure 11 is the partial sectional view of deviation correcting device shown in Figure 10;
Figure 12 is the structure principle chart of the sync control device of coating machine of the present utility model;
Figure 13 is the speed tracing figure when utilizing sync control device governing speed shown in Figure 12, and wherein, abscissa is the time, and ordinate is a speed;
Figure 14 is the movement position figure of dancer when utilizing sync control device governing speed shown in Figure 12, and wherein, abscissa is the time, and ordinate is the position of dancer;
Figure 15 is the structural representation of the winder of coating machine of the present utility model;
Figure 16 utilizes the schematic diagram that the pole piece base material twines after the winder rolling shown in Figure 15 on wind-up roll.
Among the figure: 1. uncoiler, 2. dispense tip, 3. drying baker, 4. blower fan, 5. flow deflector, 6. hot air spout, 7. pole piece base material, 8. winder, 9. casing, 10. deviation correcting device, 11. heaters, 12. air inlets, 13. exhaust outlet, 14. coating, 15. bulges, 16. slits, 17. return air inlet, 18. correction rollers, 19. swing arms, 20. supports, 21. hinge, 22. pushers, 23. motors, 24. pairs are dragged, 25. the master drags 26. dancers, 27. levers, 28. upper contacts, 29. lower contact, 30. movable contacts, 31. counterweights, 32. fulcrum, 33. photometer head sensors, 34. error correction motors, 35. wind-up roll, 36. rolling platforms, 37. sync control devices.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done tight furtherly, but not as to qualification of the present utility model.
As shown in Figure 6, the battery pole piece unicoater of this embodiment comprises uncoiler 1, winder 8 and drying baker 3, and the pole piece base material 7 that stretches out on the uncoiler 1 enters drying baker 3 from the bottom of drying baker 3 one ends, and import department is provided with first dispense tip 2; Pole piece base material 7 comes out from drying baker 3 other end bottoms, and the exit is provided with deviation correcting device 10; Enter drying baker 3 once more from drying baker 3 tops after pole piece base material 7 is turned back, the position that base material 7 is turned back is provided with sync control device 37, and import department is provided with second dispense tip 2; Base material 7 comes out from drying baker 3 tops, and the exit is provided with deviation correcting device 10; Pole piece base material 7 rollings behind the process deviation correcting device 10 are on winder 8.
The structure of drying baker 3 as shown in Figure 7, drying baker 3 minutes is two-layer up and down, two-layer up and down hot air spout 6 and the return air inlet 17 of being respectively equipped with; The hot air spout 6 on upper strata links to each other with a blower fan 4 respectively with return air inlet 17, wherein is provided with heater 11 between hot air spout 6 and the blower fan 4; The hot air spout 6 of lower floor links to each other with another blower fan 4 respectively with return air inlet 17, also is provided with heater 11 between hot air spout 6 and the blower fan 4; Two blower fans 4 all are arranged on the below of drying baker casing 9, with conserve space and reduce area of dissipation.
The pole piece base material 7 that has been coated with one side passes from lower floor's hot air spout 6 belows, by hot-air seasoning; Turn back and be coated with another side after pass from upper strata hot air spout 6 belows, by hot-air seasoning another side coating.This drying baker structure has been saved the diversion chamber in the existing drying baker, replaces and all presses the chamber.In order to realize all pressing shunting, the slit width of hot air spout 6 should be good with 2mm between 1～3mm, reduces in order not make wind speed, and all the tuyere spout gross areas should be suitable with the blower fan discharge area.The drying baker height of the height of drying baker 3 of the present utility model and existing one side coater is suitable, thereby when coating efficiency doubles, has dwindled the integral heat sink area greatly.The drying baker heating starting power of a kind of four casees coating machines of the present utility model is 4 * 24=96kw, the thermal balance consumed power is 4 * 15=60kw, coating needs one hour base material to single face, the utility model carries out double spread also only to be needed with one hour, its power consumption is 60 * 1=60kwh, and is more energy-conservation more than 50% than prior art.
In order to guarantee that drying baker 3 integral body all press, drying baker 3 will be provided with in pairs, and the return air inlet 17 of every pair of drying baker is symmetrical arranged, be that the upper strata return air inlet is adjacent to one another between the adjacent drying baker, lower floor's return air inlet mutually away from, perhaps the upper strata return air inlet mutually away from, lower floor's return air inlet is adjacent to one another.Like this, the integral pressure in the drying baker 3 is tended to balance, and no longer include pressure reduction between the external world, therefore can not enter the import suction air of drying baker from base material 7, can not discharge air yet, improve the recovery utilization rate of solvent, and reduced pollution from base material 7 outlets.
As Fig. 8～shown in Figure 11, a kind of embodiment of the deviation correcting device 10 that the utility model coating machine is used, it has a support 20, by hinge 21 two swing arms 19 are installed on the support 20, the other end of two swing arms 19 is connected with correction roller 18 by hinge 21, and support 20, two swing arms 19 and correction roller 18 form an isosceles trapezoid, and the roller 18 of wherein rectifying a deviation is long going to the bottom, support 20 is short upper base, and two swing arms 19 are waist.Correction roller 18 links to each other with a pusher 22, and under the impetus of pusher 22, correction roller 18 can be made move left and right, and minor rotation is arranged simultaneously.Move left and right is adjusted to the base material 7 of deviation on the tram, and minor rotation is consolidated the achievement of correcting to get off, and avoid base material to continue to be offset, and the continuous correction of deviation correcting device reaches spacing saturated at last, makes deviation correction mechanism malfunctioning.These two motions are synthetic, be equivalent to rectify a deviation roller 18 in horizontal plane in drying baker a certain center rotate, its equivalent radius of gyration R=8～10B, B is the base material width, is generally 500mm, R=4～5 meter.Pusher 22 drives by a motor 23 that is arranged on the support 20, and this motor 23 is controlled by a position sensor that is arranged on drying baker 3 exits.
As shown in figure 12, the realization principle of the sync control device 37 of coating machine of the present utility model, on the tracks of base material 7, be respectively equipped with main drag 25 and pair drag 24, mainly drag 25 at the uniform velocity driving base material 7 motions, pair 24 the speed of dragging can be regulated.Main drag 25 and pair be provided with a dancer 26 between dragging 24, dancer 26 by gravity pressure on base material 7; Dancer 26 is installed in an end of a lever 27, and the other end of lever 27 is provided with counterweight 31, and lever 27 middle parts are provided with fulcrum 32; Lever between fulcrum 32 and the dancer 26 is provided with a movable contact 30, and movable contact 30 above and belows are respectively equipped with upper contact 28 and lower contact 29.Among Figure 12, suppose that main 25 the constant airspeed of dragging is U
0, pair 24 the speed of dragging is U
D, U
DCan regulate.In addition, also can use contactless proximity switch, be used for when lever swing one upper limit or lower limit, starting arrangements for speed regulation.
Work as U
D＞U
0The time, dancer 26 sinks gradually, and when movable contact 30 contacted with lower contact 29, lower limit obtained signal, dragged 24 to quicken to pair immediately, and this cries adjustment, and dancer 26 rises; When movable contact 30 leaves lower contact 29, stop immediately quickening, adjustment finishes, and drags 24 to keep a small correction to pair then, promptly on the basis of aforementioned acceleration, reduces certain speed again, and this cries compensation.If compensate still not in place, will re-adjustments and compensation once.Experiment showed, general as long as 1～3 time just reaches synchronous.
Work as U
D＜U
0The time, dancer 26 floats gradually, control procedure and top similar, and only direction is opposite.This adjustment compensation method, simple and clear, reliable and stable, need not just to enter in several seconds stable state, and keep permanency.Front and back speed is the assurance that yields products of quality synchronously.Pair drags 24 velocity variations as shown in figure 13 when utilizing above-mentioned sync control device to regulate; The position running orbit of dancer 26 as shown in figure 14.
As shown in figure 15, the utility model also is provided with the rolling error correction device at winder 8 places, it comprises a wind-up roll 35, wind-up roll 35 can move along axis direction, this moves through an error correction motor 34 controls, error correction motor 34 links to each other with a photometer head sensor 33, and photometer head sensor 33 is arranged on base material 7 edges, is used to detect the position at base material 7 edges.Under photometer head sensor 33 and 34 controls of error correction motor, base material 7 is after twining on the wind-up roll 35, a slight distance staggers between the adjacent two layers base material, as shown in figure 16, make two-layer bulge no longer relative, thereby reduced the gap between the two-layer base material greatly, improved the compactness and the Transport Safety of base material after the rolling.
In coating machine of the present utility model, full machine has three to drag a little, first dispense tip, second dispense tip and winder, whole film path has been divided into three sections, the control of three sections tension force has just been arranged, wherein second section because there is dancer, as long as velocity-stabilization, its tension force is exactly half of dancer weight, and is highly stable, only needs the plus-minus counterweight if need to change tension force (when changing the base material thickness width).Velocity-stabilization guarantees by speed stabilizing system and synchro system, if dancer bob ceaselessly, its acceleration can influence tension variation.
First section uncoiling influences the speed of first coating, and the utility model adopts permanent tension force control; The 3rd section rolling be in order to obtain all rolling effects closely of inside and outside, adopt general in the world in the tapering tension rolling of tight outer pine.Through overtesting, because of the thickness of material is constant, the band of material number accurately records its roll diameter and passing ratio converts with calculating, the braking moment of control uncoiling and the driving moment of rolling, and its plus-minus curve is arbitrarily set.The computational methods of tension force F are:
F＝2M/D＝Km·A/(D
0±Kδ)·N
Altogether: M is a control torque, and D is a coil diameter, D
0Be initial coil diameter, δ is a material thickness, and N is the number of plies, and Km is magnetic powder clutched (braking) device coefficient, and A is an electric current.K is a correction factor, when being used for rolling, and K＜1, tight outer pine subtracts tension force (tapering tension rolling) in just being.K=1 when being used in uncoiling is permanent tension force.
Claims (9)
1, battery pole piece unicoater, comprise uncoiler, winder and drying baker, it is characterized in that, be respectively equipped with two-layer hot air spout and two return air inlets up and down in the described drying baker, each hot air spout links to each other with a blower fan and a heater respectively with each return air inlet, and two return air inlets are separately positioned on the two ends of drying baker casing; The pole piece base material that launches on the described uncoiler passes drying baker under lower floor's hot air spout, pass drying baker again under the hot air spout of upper strata after turning back, and is wrapped in then on the winder; The position that described pole piece base material enters described drying baker for twice is respectively equipped with dispense tip.
2, battery pole piece unicoater according to claim 1 is characterized in that, described drying baker is provided with in pairs, and the described return air inlet of every pair of drying baker is symmetrical.
3, battery pole piece unicoater according to claim 1 and 2 is characterized in that, the slit width of described hot air spout is 1～3mm.
4, battery pole piece unicoater according to claim 3 is characterized in that, the slit width of described hot air spout is 2mm.
5, battery pole piece unicoater according to claim 1 and 2 is characterized in that, described blower fan is arranged at the below of described casing.
6, battery pole piece unicoater according to claim 1 is characterized in that, is provided with sync control device between described two dispense tips, and described sync control device comprises the dancer that is connected to a lever one end, and described pole piece base material is walked around this dancer; The described lever other end is provided with counterweight, and the middle part is provided with fulcrum; The above and below of described lever is respectively equipped with position sensor.
7, battery pole piece unicoater according to claim 1, it is characterized in that, the exit at described drying baker two ends is provided with the double arm swing deviation correcting device, described double arm swing deviation correcting device comprises a correction roller, walk around this correction roller from the pole piece base material that described drying baker exports out, described correction roller two ends are hinged to respectively in the swing arm, and it is one trapezoidal that described correction roller, two swing arms constitute; Described correction roller links to each other with a pusher, and the exit of described drying baker is provided with the position sensor that detects substrate location, and described position sensor links to each other with described pusher.
8, battery pole piece unicoater according to claim 7 is characterized in that, described pusher drives by a motor and ball-screw.
9, battery pole piece unicoater according to claim 1 is characterized in that, described winder comprises a wind-up roll, and described wind-up roll is provided with a position control, and the photometer head sensor that described position control and is arranged on base material one side links to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201900807U CN201108882Y (en) | 2007-11-08 | 2007-11-08 | Battery pole piece two-sided coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201900807U CN201108882Y (en) | 2007-11-08 | 2007-11-08 | Battery pole piece two-sided coating machine |
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| Publication Number | Publication Date |
|---|---|
| CN201108882Y true CN201108882Y (en) | 2008-09-03 |
Family
ID=39893399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201900807U Expired - Fee Related CN201108882Y (en) | 2007-11-08 | 2007-11-08 | Battery pole piece two-sided coating machine |
Country Status (1)
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| CN (1) | CN201108882Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088070A (en) * | 2010-10-29 | 2011-06-08 | 曹建礼 | Instant heating device for pole piece of battery pole piece rolling mill |
| CN102698933A (en) * | 2012-05-31 | 2012-10-03 | 钟智帆 | Efficient energy-saving combined type battery pole piece two-side coater |
| CN103231935A (en) * | 2013-05-16 | 2013-08-07 | 东莞市雅康精密机械有限公司 | Piece-making and winding joining device |
| CN108499822A (en) * | 2018-04-10 | 2018-09-07 | 江苏鼎胜新能源材料股份有限公司 | A kind of hot air circulation curing oven applies machine and working method |
| CN108816645A (en) * | 2018-06-22 | 2018-11-16 | 东南大学 | Dynamic lithium battery base band squash type coating system |
| CN112747565A (en) * | 2021-01-26 | 2021-05-04 | 昆山聚创新能源科技有限公司 | Vacuum baking method of electrode roll |
| CN114918105A (en) * | 2022-05-26 | 2022-08-19 | 广东嘉拓自动化技术有限公司 | Double-sided base coating equipment for eliminating adverse influence of substrate shaking in oven on coating |
-
2007
- 2007-11-08 CN CNU2007201900807U patent/CN201108882Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088070A (en) * | 2010-10-29 | 2011-06-08 | 曹建礼 | Instant heating device for pole piece of battery pole piece rolling mill |
| CN102698933A (en) * | 2012-05-31 | 2012-10-03 | 钟智帆 | Efficient energy-saving combined type battery pole piece two-side coater |
| CN102698933B (en) * | 2012-05-31 | 2015-03-04 | 钟智帆 | Efficient energy-saving combined type battery pole piece two-side coater |
| CN103231935A (en) * | 2013-05-16 | 2013-08-07 | 东莞市雅康精密机械有限公司 | Piece-making and winding joining device |
| CN103231935B (en) * | 2013-05-16 | 2015-11-25 | 东莞市雅康精密机械有限公司 | Film-making winding connecting device |
| CN108499822A (en) * | 2018-04-10 | 2018-09-07 | 江苏鼎胜新能源材料股份有限公司 | A kind of hot air circulation curing oven applies machine and working method |
| CN108499822B (en) * | 2018-04-10 | 2023-09-29 | 江苏鼎胜新能源材料股份有限公司 | Hot air circulation curing furnace, coating machine and working method |
| CN108816645A (en) * | 2018-06-22 | 2018-11-16 | 东南大学 | Dynamic lithium battery base band squash type coating system |
| CN108816645B (en) * | 2018-06-22 | 2020-07-07 | 东南大学 | Base band extrusion type coating system of power lithium battery |
| CN112747565A (en) * | 2021-01-26 | 2021-05-04 | 昆山聚创新能源科技有限公司 | Vacuum baking method of electrode roll |
| CN114918105A (en) * | 2022-05-26 | 2022-08-19 | 广东嘉拓自动化技术有限公司 | Double-sided base coating equipment for eliminating adverse influence of substrate shaking in oven on coating |
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