CN110480739B - Pole piece manufacturing process for battery production - Google Patents
Pole piece manufacturing process for battery production Download PDFInfo
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- CN110480739B CN110480739B CN201910903137.0A CN201910903137A CN110480739B CN 110480739 B CN110480739 B CN 110480739B CN 201910903137 A CN201910903137 A CN 201910903137A CN 110480739 B CN110480739 B CN 110480739B
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- piece
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000005520 cutting process Methods 0.000 claims abstract description 110
- 238000000576 coating method Methods 0.000 claims abstract description 30
- 239000011248 coating agent Substances 0.000 claims abstract description 29
- 238000001035 drying Methods 0.000 claims abstract description 28
- 239000000428 dust Substances 0.000 claims abstract description 24
- 239000002002 slurry Substances 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 28
- 238000001291 vacuum drying Methods 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 13
- 239000006255 coating slurry Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000007581 slurry coating method Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
-
- 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)
- Mechanical Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Details Of Cutting Devices (AREA)
Abstract
The invention discloses a pole piece manufacturing process for battery production, which comprises a, coating slurry, namely, coating slurry by rotating a coating roller and transferring the slurry to a base material by utilizing the rotation of a back roller or the coating roller; b. rolling the pole piece, namely feeding the pole piece into a gap between two rollers, and compacting the coating under the action of the rollers; c. pole piece cutting, namely cutting the pole piece into required width by pole piece cutting equipment; d. drying the pole piece: feeding the cut pole pieces into a heating box for heating and drying; through the setting of above-mentioned structure for above-mentioned cutting blade can realize the effect of automatic adjustment interval through the drive of first driving piece to the transmission, can carry out automatic clearance through dust collector to the piece that produces when cutting simultaneously, avoids clastic everywhere to fly upward, has improved the clean and tidy nature of processing environment.
Description
Technical Field
The invention belongs to the technical field of battery pole piece processing, and particularly relates to a pole piece manufacturing process for battery production.
Background
With the rapid development of new energy industries, the demand of soft-packaged lithium ion batteries and aluminum shell batteries is increasing. The manufacturing process of the soft package lithium battery generally comprises pulping, film coating, assembling and formation; in the assembly process, the coated electrode sheet needs to be cut.
In the publication with the publication number of CN108405962A, a pole piece slitting device is disclosed, which has a simple structure, is convenient and quick to operate, facilitates the installation of cutters, and can quickly adjust the distance between the cutters, thereby being suitable for the cutting operation of pole pieces with different sizes and improving the application range; however, the device can't carry out accurate interval adjustment to a plurality of cutters simultaneously when the pole piece cutting, and the piece that produces when the cutting can fly away everywhere for the trouble and the consuming time of very clearing up.
Disclosure of Invention
The invention provides a pole piece manufacturing process for battery production, which aims to overcome the defects of the prior art and is accurate in distance adjustment and convenient for cleaning scraps.
In order to achieve the purpose, the invention adopts the following technical scheme: coating slurry, namely, coating the slurry by rotating a coating roller, and transferring the slurry onto a base material by utilizing the rotation of a back roller or the coating roller; b. rolling the pole piece, namely feeding the pole piece into a gap between two rollers, and compacting the coating under the action of the rollers; c. pole piece cutting, namely cutting the pole piece into required width by pole piece cutting equipment; d. drying the pole piece: feeding the cut pole pieces into a heating box for heating and drying;
the pole piece slitting equipment comprises a feeding roller for conveying a pole piece winding tape, a first tensioning roller and a second tensioning roller for conveying pole pieces, a material receiving roller for winding the cut pole pieces, a plurality of cutting blades which are arranged at equal intervals and used for cutting the pole pieces, a first fixed shaft arranged on the cutting blades, a plurality of driving discs which are arranged at equal intervals and used for driving the cutting blades to move, a driving part used for controlling the driving discs to rotate, a first driving part used for driving the driving part to rotate and a second driving part used for driving the cutting blades to rotate, wherein a dust removing device used for cleaning dust generated when the pole pieces are cut is arranged on the driving discs; the pole piece is firstly wound on the feeding roller, the rotation of the feeding roller enables the pole piece to move forwards and penetrate through the first tensioning roller and the second tensioning roller, the second driving piece is started at the moment, the cutting blade rotates, the pole piece is cut by the rotation of the cutting blade, the cut pole piece is wound on the receiving roller, when the distance between the cutting blades needs to be adjusted, the first driving piece enables the driving piece to rotate, the driving piece drives the driving disc to rotate, the driving disc rotates, and the distance between the cutting blades can be changed; through the setting of above-mentioned structure for above-mentioned cutting blade can realize the effect of automatic adjustment interval through the drive of first driving piece to the transmission piece, and avoid causing the interference to the pole piece cutting, and can carry out accurate interval adjustment to a plurality of cutting blade simultaneously, the effectual adjustment accuracy nature that improves the cutting blade, can carry out automatic clearance through the piece that dust collector produced when cutting simultaneously, avoid clastic everywhere to fly upward, improved the clean and tidy nature of processing environment.
The coating roller is fixedly arranged, the back roller is movably arranged, and the distance between the coating roller and the back roller is adjustable; through the arrangement of the structure, the self-adjustment performance during slurry coating can be improved, so that the slurry coating device is suitable for coatings with different thicknesses.
The slurry is prepared by adopting a vacuum stirring mode, wherein the stirring speed of the vacuum stirring is revolution at 5 RPM; through the stirring of above-mentioned mode for the stirring of thick liquid is more thorough, strengthens the stirring effect to the thick liquid.
The slurry is prepared by adopting a vacuum stirring mode, wherein the stirring speed of the vacuum stirring is revolution at 15 RPM; through the stirring of above-mentioned mode for the stirring of thick liquid is more even, increases the thick liquid and subsides stability, improves stirring efficiency.
The drying of the pole piece adopts a drying mode in a vacuum drying oven; through the setting of above-mentioned vacuum drying oven, can shorten the required time of drying to the pole piece, improve the drying efficiency to the pole piece.
The temperature in the vacuum drying box is set to be about 80 ℃; through the setting of the drying temperature, the damage to the pole piece can be reduced, and the stable reliability of the pole piece drying is ensured.
A first limit strip is arranged on an output shaft of the second driving piece, a first connecting cylinder is sleeved on the output shaft of the second driving piece, the first connecting cylinder is provided with a second limiting strip and a first limiting groove matched with the first limiting strip, a second limit groove matched with the second limit strip is arranged on the first fixed shaft, a first elastic part is arranged between the first connecting cylinder and the first fixed shaft, two sides of the first fixed shafts are respectively provided with external threads in opposite directions, each two first fixed shafts are sleeved with a first fixed cylinder, the first fixed cylinder is in threaded fit with the first fixed shaft, a third limiting groove and a movable second fixed cylinder are arranged at the end part of the first fixed shaft, a third limiting strip matched with the third limiting groove is arranged on the second fixed cylinder, and a second elastic part fixedly connected with the first fixed shaft is arranged on the second fixed cylinder; when the polar plate is cut, the second driving piece is started and limited by the first limiting strip and the first limiting groove, the second driving piece drives the first connecting cylinder to rotate, the first connecting cylinder drives the first fixing shaft to rotate through the matching of the second limiting strip and the second limiting groove, the first fixing shaft drives the cutting blade to rotate, and the first fixing cylinder is connected with the first fixing shaft through threads to fix the first fixing shafts so that the first fixing shafts rotate simultaneously; through the setting of above-mentioned structure, make the pole piece can realize the effect of cutting through cutting blade, and avoid the interference to cutting blade interval adjustment, and the cooperation setting of first fixed axle and first fixed axle, make cutting blade can remove, so that increase interval each other, with the pole piece width of cutting needs, the setting of first elastic component simultaneously, make between the cutting blade when removing, can independently carry out interval adjustment separately, and the removal each other can not lead to the fact the hindrance and influence the adjustment of interval each other.
The driving disc is provided with a meshing tooth group which is meshed and connected with the driving part, the two sides of the driving disc are respectively provided with a first limiting part and a second limiting part, the first fixed cylinder is provided with at least one rotatable fixture block, the driving disc is provided with a plurality of clamping grooves which are matched with the fixture blocks, a third elastic part is arranged between the fixture blocks and the first fixed cylinder, the driving part is provided with a second fixed shaft, the two sides of the second fixed shaft are respectively provided with a fourth limiting strip, each two second fixed shafts are sleeved with a third fixed cylinder, the third fixed cylinder is provided with a fourth limiting groove which is matched with the fourth limiting strip, the middle part of the third fixed cylinder is provided with a baffle, a fourth elastic part is arranged between the baffle and the second fixed shaft, the first driving part is movably connected with the second fixed shafts through a second connecting cylinder, the second connecting cylinder is provided with a fifth limiting groove which is matched with the fourth limiting strips, a fifth elastic part connected with the second fixed shaft is arranged in the second connecting cylinder; when the distance between the cutting blades is adjusted, the first driving piece is started, the first driving piece drives the second fixed shaft to rotate through the second connecting cylinder, the second fixed shaft drives the driving piece to rotate, the driving disc is driven to rotate by the rotation of the driving piece, the clamping groove is contacted with the clamping block at the moment, the first fixed cylinder is driven to rotate by the rotation of the driving disc, and the first fixed shaft moves towards two sides by the rotation of the first fixed cylinder, so that the adjustment of the distance between the cutting blades is completed; through the setting of above-mentioned structure, make the driving medium can drive the driving disc and rotate, thereby can be to first fixed axle drive, make cutting blade realize the effect of interval adjustment, and the setting of fixture block and draw-in groove, make cutting blade when cutting the antipodal piece, can not drive the driving disc and rotate simultaneously, increase the burden of second driving piece, and avoid driving dust collector and rotate and influence dust collector to clastic clearance, the regulation interval of can being convenient for simultaneously, and can not drive cutting blade and rotate, avoid causing the damage to the human body.
The invention has the following advantages: this a pole piece manufacturing process for battery production is through the setting of above-mentioned structure for cutting blade can the mutual interval of automatic adjustment, and can carry out accurate interval adjustment to a plurality of cutting blade simultaneously, the effectual adjustment accuracy nature that has improved cutting blade has improved the efficiency of carrying out interval adjustment to cutting blade, can carry out automatic clearance through the piece that dust collector produced when cutting simultaneously, avoids clastic everywhere to fly upward, has improved the clean and tidy nature of processing environment.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective sectional view of fig. 1.
Fig. 3 is an enlarged view of a structure at a in fig. 2.
Fig. 4 is an enlarged view of a structure at B in fig. 2.
Fig. 5 is an enlarged view of a structure at C in fig. 2.
Fig. 6 is an enlarged view of the structure at D in fig. 2.
Fig. 7 is an enlarged view of a structure at E in fig. 2.
Fig. 8 is an enlarged view of the structure at F in fig. 2.
Fig. 9 is a perspective cross-sectional view of the drive disk of fig. 1.
Detailed Description
Example 1:
coating slurry, namely, coating the slurry by rotating a coating roller, and transferring the slurry onto a base material by utilizing the rotation of a back roller or the coating roller; b. rolling the pole piece, namely feeding the pole piece into a gap between two rollers, and compacting the coating under the action of the rollers; c. pole piece cutting, namely cutting the pole piece into required width by pole piece cutting equipment; d. drying the pole piece: feeding the cut pole pieces into a heating box for heating and drying; the coating roller is fixedly arranged, the back roller is movably arranged, and the distance between the coating roller and the back roller is adjustable; through the arrangement of the structure, the self-adjustment performance during slurry coating can be improved so as to adapt to coating with different thicknesses; the slurry is prepared by adopting a vacuum stirring mode, wherein the stirring speed of the vacuum stirring is revolution at 5 RPM; through the stirring in the mode, the slurry is stirred more thoroughly, and the stirring effect on the slurry is enhanced; the drying of the pole piece adopts a drying mode in a vacuum drying oven; by the arrangement of the vacuum drying box, the time required for drying the pole piece can be shortened, and the drying efficiency of the pole piece is improved; the temperature in the vacuum drying box is set to be about 80 ℃; through the setting of the drying temperature, the damage to the pole piece can be reduced, and the stable reliability of the pole piece drying is ensured.
As shown in fig. 1-9, the pole piece slitting equipment includes a feeding roller 11 for feeding a pole piece tape, a first tensioning roller 12 and a second tensioning roller 13 for conveying the pole piece, a receiving roller 14 for taking up the cut pole piece, a plurality of cutting blades 21 arranged at equal intervals for cutting the pole piece, a first fixed shaft 211 arranged on the cutting blade 21, a plurality of driving disks 3 arranged at equal intervals for driving the cutting blades 21 to move, a transmission member 41 for controlling the driving disks 3 to rotate, a first driving member 42 for driving the transmission member 41 to rotate, and a second driving member 22 for driving the cutting blades 21 to rotate, wherein a dust removing device for removing dust generated when the pole piece is cut is arranged on the driving disks 3; the pole piece is firstly wound on the feeding roller 11, the rotation of the feeding roller 11 enables the pole piece to move forwards and penetrate through the first tensioning roller 12 and the second tensioning roller 13, at the moment, the second driving piece 22 is started to enable the cutting blade 21 to rotate, the rotation of the cutting blade 21 cuts the pole piece, the cut pole piece is wound on the receiving roller 14, when the distance between the cutting blades 21 needs to be adjusted, the first driving piece 42 enables the driving piece 41 to rotate, the driving piece 41 drives the driving disc 3 to rotate, the driving disc 3 rotates, and the distance between the cutting blades 21 can be changed; above-mentioned first driving piece and second driving piece all adopt the motor setting, for prior art, and this is no longer repeated here, and above-mentioned driving medium adopts the gear setting, and for prior art, this is no longer repeated here.
Through the setting of above-mentioned structure for above-mentioned cutting blade can realize the effect of automatic adjustment interval through the drive of first driving piece to the transmission piece, and avoid causing the interference to the pole piece cutting, and can carry out accurate interval adjustment to a plurality of cutting blade simultaneously, the effectual adjustment accuracy nature that improves the cutting blade, can carry out automatic clearance through the piece that dust collector produced when cutting simultaneously, avoid clastic everywhere to fly upward, improved the clean and tidy nature of processing environment.
A first limit strip 221 is arranged on an output shaft of the second driving member 22, a first connecting cylinder 23 is sleeved on the output shaft of the second driving member 22, a second limit strip 231 and a first limit groove 232 matched with the first limit strip 221 are arranged on the first connecting cylinder 23, a second limit groove 212 matched with the second limit strip 231 is arranged on the first fixing shaft 211, a first elastic member 233 is arranged between the first connecting cylinder 23 and the first fixing shaft 211, external threads in opposite directions are respectively arranged on two sides of the first fixing shaft 211, a first fixing cylinder 24 is sleeved on each two first fixing shafts 211, the first fixing cylinder 24 is in threaded fit with the first fixing shaft 211, a third limit groove 213 and a movable second fixing cylinder 25 are arranged at the end part of the first fixing shaft 211, and a third limit strip 251 matched with the third limit groove 213 is arranged on the second fixing cylinder 25, the second fixed cylinder 25 is provided with a second elastic element 252 fixedly connected with the first fixed shaft 211; when the pole piece is cut, the second driving member 22 is started and limited by the first limiting strip 221 and the first limiting groove 232, the second driving member 22 drives the first connecting cylinder 23 to rotate, the first connecting cylinder 23 drives the first fixing shaft 211 to rotate through the matching of the second limiting strip 231 and the second limiting groove 212, the first fixing shaft 211 drives the cutting blade 21 to rotate, and the first fixing cylinder 24 fixes each first fixing shaft 211 through the threaded connection with the first fixing shaft 211, so that each first fixing shaft 211 rotates simultaneously; the first elastic member and the second elastic member are both provided with a coil spring, and are not described again for the prior art.
Through the setting of above-mentioned structure, make the pole piece can realize the effect of cutting through cutting blade, and avoid the interference to cutting blade interval adjustment, and the cooperation setting of first fixed axle and first fixed axle, make cutting blade can remove, so that increase interval each other, with the pole piece width of cutting needs, the setting of first elastic component simultaneously, make between the cutting blade when removing, can independently carry out interval adjustment separately, and the removal each other can not lead to the fact the hindrance and influence the adjustment of interval each other.
The driving disc 3 is provided with a tooth group 31 engaged with the driving member 41, two sides of the driving disc 3 are respectively provided with a first limit portion 32 and a second limit portion 33, the first fixing cylinder 24 is provided with at least one rotatable block 243, the driving disc 3 is provided with a plurality of clamping grooves 244 matched with the block 243, a third elastic member 245 is arranged between the block 243 and the first fixing cylinder 24, the driving member 41 is provided with a second fixing shaft 411, two sides of the second fixing shaft 411 are respectively provided with a fourth limit strip 412, every two second fixing shafts 411 are sleeved with a third fixing cylinder 43, the third fixing cylinder 43 is provided with a fourth limit groove 431 matched with the fourth limit strip 412, the middle part of the third fixing cylinder 43 is provided with a baffle 432, a fourth elastic member 433 is arranged between the baffle 432 and the second fixing shaft 411, the first driving member 42 is movably connected with the second fixing shaft 411 through a second connecting cylinder 421, a fifth limiting groove 422 matched with the fourth limiting strip 412 is formed in the second connecting cylinder 421, and a fifth elastic piece 423 connected with the second fixed shaft 411 is arranged in the second connecting cylinder 421; when the distance between the cutting blades 21 is adjusted, the first driving member 42 is started, the first driving member 42 drives the second fixing shaft 411 to rotate through the second connecting cylinder 421, the second fixing shaft 411 drives the transmission member 41 to rotate, the transmission member 41 rotates to drive the driving disc 3 to rotate, at the moment, the clamping groove 244 is in contact with the clamping block 243, the driving disc 3 rotates to drive the first fixing cylinder 24 to rotate, the first fixing cylinder 24 rotates to enable the first fixing shaft 211 to move towards two sides, so that the adjustment of the distance between the cutting blades 21 is completed, when the distance is adjusted, the first elastic member 233 contracts, when the second driving member 22 rotates, the cutting blades 21 rotate, and the driving disc 3 cannot rotate; the third elastic member and the fourth elastic member are both provided with a coil spring, and are not described herein for the prior art.
Through the setting of above-mentioned structure, make the driving medium can drive the driving disc and rotate, thereby can be to first fixed axle drive, make cutting blade realize the effect of interval adjustment, and the setting of fixture block and draw-in groove, make cutting blade when cutting the antipodal piece, can not drive the driving disc and rotate simultaneously, increase the burden of second driving piece, and avoid driving dust collector and rotate and influence dust collector to clastic clearance, the regulation interval of can being convenient for simultaneously, and can not drive cutting blade and rotate, avoid causing the damage to the human body.
Above-mentioned feed roll 11, first tensioning roller 12, second tensioning roller 13 and receive material roller 14 and all set firmly on a unable adjustment base 5 through a support frame 15, a mount 16 is all located to first driving piece 42 and second driving piece 22, unable adjustment base 5 is last to be equipped with mount 16 fixed connection's third driving piece 51, and above-mentioned third driving piece adopts the motor setting, for prior art, and here is no longer repeated, when needing the cutting pole piece, the third driving piece starts, can drive cutting blade downstream through the mount to the realization is to the cutting effect of pole piece.
The movable screw 253 is arranged on the second fixed cylinder 25, a supporting part 2531 is arranged on one side of the screw 253, a sleeve ring 2532 is arranged on the other side of the screw 253, the second fixed cylinder 25 is meshed with the screw 253 and connected with the screw 253, a rotating bearing 254 for the screw 253 to pass through is arranged on the fixed frame 16, an accommodating groove 161 matched with the second fixed cylinder 25 is arranged on the fixed frame 16, a plurality of rolling balls 162 are arranged in the accommodating groove 161 so as to reduce the friction force when the second fixed cylinder rotates, the second fixed cylinder can rotate along with the rotation of the cutting blade and strengthen the rotating effect of the cutting blade, and the screw is arranged so that the cutting blade and the first fixed shaft can realize the dismounting effect so as to be convenient for replacing and maintaining the cutting blade, when the cutting blade is installed, an external long rod is firstly inserted into the sleeve ring, the long rod is rotated to rotate the screw, and the second fixed, shorten the whole length of cutting knife blade, then extract the stock, insert the solid fixed cylinder of second on rolling bearing, the output shaft of second driving piece is aimed at to first connecting cylinder, then inserts the stock again, rotates the screw rod for the solid fixed cylinder of second removes outwards, has lengthened the whole distance between the cutting blade, thereby makes on the output shaft that first connecting cylinder inserted the second driving piece, realizes fixed effect.
The dust removal device comprises a dust storage cavity 34 arranged on the driving disc 3, an air pump 341 arranged in the dust storage cavity 34, conveying pipes 35 arranged on two sides of the driving disc 34 and an arc-shaped dust removal plate 36 arranged on the conveying pipes 35, wherein a plurality of through holes 361 are formed in one side of the arc-shaped dust removal plate 36, a movable sealing plate 342 is arranged on the dust storage cavity 34, and the arc-shaped dust removal plate is arranged to adapt to the radian of a cutting blade so as to clean debris generated during cutting of a pole piece and slightly extrude the pole piece during cutting of the pole piece by the cutting blade, so that the tightness of the pole piece is improved, certain damage to the pole piece during contact with the pole piece can be avoided, and the integrity of the pole piece is ensured; when cutting the pole piece, the air pump starts for through-hole department produces one and sucks the power, and the piece when cutting is carried out the suction, and the piece passes through the through-hole and gets into arc dust removal board, then gets into the dust removal intracavity through the conveyer pipe, accumulates the back at the dust removal intracavity, can remove the closing plate, discharges the piece.
Example 2:
coating slurry, namely, coating the slurry by rotating a coating roller, and transferring the slurry onto a base material by utilizing the rotation of a back roller or the coating roller; b. rolling the pole piece, namely feeding the pole piece into a gap between two rollers, and compacting the coating under the action of the rollers; c. pole piece cutting, namely cutting the pole piece into required width by pole piece cutting equipment; d. drying the pole piece: feeding the cut pole pieces into a heating box for heating and drying; the coating roller is fixedly arranged, the back roller is movably arranged, and the distance between the coating roller and the back roller is adjustable; through the arrangement of the structure, the self-adjustment performance during slurry coating can be improved so as to adapt to coating with different thicknesses; the slurry is prepared by adopting a vacuum stirring mode, wherein the stirring speed of the vacuum stirring is revolution at 15 RPM; by adopting the stirring mode, the slurry is stirred more uniformly, the sedimentation stability of the slurry is improved, and the stirring efficiency is improved; the drying of the pole piece adopts a drying mode in a vacuum drying oven; by the arrangement of the vacuum drying box, the time required for drying the pole piece can be shortened, and the drying efficiency of the pole piece is improved; the temperature in the vacuum drying box is set to be about 80 ℃; through the setting of the drying temperature, the damage to the pole piece can be reduced, and the stable reliability of the pole piece drying is ensured.
The pole piece slitting equipment in this embodiment has the same structure as the pole piece slitting equipment in embodiment 1, and is not described herein again.
Claims (6)
1. A pole piece manufacturing process for battery production is characterized in that: the manufacturing process comprises the following steps:
a. coating the slurry, namely, rotating the coating roller to drive the slurry, and transferring the slurry to the base material by utilizing the rotation of the back roller or the coating roller;
b. rolling the pole piece, namely feeding the pole piece into a gap between two rollers, and compacting the coating under the action of the rollers;
c. pole piece cutting, namely cutting the pole piece into required width by pole piece cutting equipment;
d. drying the pole piece: feeding the cut pole pieces into a heating box for heating and drying;
the pole piece slitting equipment comprises a feeding roller (11) for conveying a pole piece winding tape, a first tensioning roller (12) and a second tensioning roller (13) for conveying pole pieces, a material receiving roller (14) for winding the cut pole pieces, a plurality of cutting blades (21) which are arranged at equal intervals and used for cutting the pole pieces, a first fixed shaft (211) arranged on the cutting blades (21), a plurality of driving discs (3) which are arranged at equal intervals and used for driving the cutting blades (21) to move, a transmission part (41) used for controlling the driving discs (3) to rotate, a first driving part (42) used for driving the transmission part (41) to rotate and a second driving part (22) used for driving the cutting blades (21) to rotate, wherein a dust removing device used for cleaning dust generated during pole piece cutting is arranged on the driving discs (3); the pole piece is firstly wound on a feeding roller (11), the pole piece moves forwards due to the rotation of the feeding roller (11) and penetrates through a first tensioning roller (12) and a second tensioning roller (13), at the moment, a second driving piece (22) is started to enable a cutting blade (21) to rotate, the pole piece is cut by the rotation of the cutting blade (21), the cut pole piece is wound on a receiving roller (14), when the distance between the cutting blades (21) needs to be adjusted, a driving piece (41) is rotated through a first driving piece (42), the driving piece (41) drives a driving disc (3) to rotate, the driving disc (3) rotates, and the distance between the cutting blades (21) can be changed; a first limiting strip (221) is arranged on an output shaft of the second driving part (22), a first connecting cylinder (23) is sleeved on the output shaft of the second driving part (22), a second limiting strip (231) and a first limiting groove (232) matched with the first limiting strip (221) are arranged on the first connecting cylinder (23), a second limiting groove (212) matched with the second limiting strip (231) is arranged on the first fixing shaft (211), a first elastic part (233) is arranged between the first connecting cylinder (23) and the first fixing shaft (211), external threads in opposite directions are respectively arranged on two sides of the first fixing shaft (211), a first fixing cylinder (24) is sleeved on every two first fixing shafts (211), the first fixing cylinder (24) is in threaded fit with the first fixing shaft (211), a third limiting groove (213) and a movable second fixing cylinder (25) are arranged at the end part of the first fixing shaft (211), a third limiting strip (251) matched with the third limiting groove (213) is arranged on the second fixed cylinder (25), and a second elastic part (252) fixedly connected with the first fixed shaft (211) is arranged on the second fixed cylinder (25); when the polar plate is cut, the second driving piece (22) is started and limited by the first limiting strip (221) and the first limiting groove (232), the second driving piece (22) drives the first connecting cylinder (23) to rotate, the first connecting cylinder (23) drives the first fixing shaft (211) to rotate through the matching of the second limiting strip (231) and the second limiting groove (212), the first fixing shaft (211) drives the cutting blade (21) to rotate, the first fixing cylinder (24) is in threaded connection with the first fixing shaft (211) to fix each first fixing shaft (211), and each first fixing shaft (211) rotates simultaneously; the driving disc (3) is provided with a tooth group (31) connected with a driving part (41) in a meshing manner, two sides of the driving disc (3) are respectively provided with a first limiting part (32) and a second limiting part (33), the first fixed cylinder (24) is provided with at least one rotatable fixture block (243), the driving disc (3) is provided with a plurality of clamping grooves (244) matched with the fixture block (243), a third elastic part (245) is arranged between the fixture block (243) and the first fixed cylinder (24), the driving part (41) is provided with a second fixed shaft (411), the two sides of the second fixed shaft (411) are respectively provided with a fourth limiting strip (412), every two second fixed shafts (411) are sleeved with third fixed cylinders (43), the third fixed cylinders (43) are provided with fourth limiting grooves (431) matched with the fourth limiting strips (412), a baffle (432) is arranged in the middle of the third fixed cylinder (43), a fourth elastic part (433) is arranged between the baffle (432) and the second fixed shaft (411), the first driving part (42) is movably connected with the second fixed shaft (411) through a second connecting cylinder (421), a fifth limiting groove (422) matched with the fourth limiting strip (412) is arranged on the second connecting cylinder (421), and a fifth elastic part (423) connected with the second fixed shaft (411) is arranged in the second connecting cylinder (421); when the distance between the cutting blades (21) is adjusted, the first driving part (42) is started, the first driving part (42) drives the second fixing shaft (411) to rotate through the second connecting cylinder (421), the second fixing shaft (411) drives the transmission part (41) to rotate, the transmission part (41) rotates to drive the driving disc (3) to rotate, the clamping groove (244) is in contact with the clamping block (243), the driving disc (3) rotates to drive the first fixing cylinder (24) to rotate, the first fixing cylinder (24) rotates to enable the first fixing shaft (211) to move towards two sides, adjustment of the distance between the cutting blades (21) is completed, when the distance is adjusted, the first elastic part (233) contracts, when the second driving part (22) rotates, the cutting blades (21) rotate, and the driving disc (3) cannot rotate.
2. The manufacturing process of pole pieces for battery production according to claim 1, characterized in that: the coating roller is fixedly arranged, the back roller is movably arranged, and the distance between the coating roller and the back roller is adjustable.
3. The manufacturing process of pole pieces for battery production according to claim 1, characterized in that: and a vacuum stirring mode is adopted during preparation of the slurry, and the stirring speed of the vacuum stirring is 5RPM of revolution.
4. The manufacturing process of pole pieces for battery production according to claim 1, characterized in that: and a vacuum stirring mode is adopted during preparation of the slurry, and the stirring speed of the vacuum stirring is 15RPM of revolution.
5. The manufacturing process of pole pieces for battery production according to claim 1, characterized in that: the pole piece is dried in a vacuum drying oven.
6. The manufacturing process of pole pieces for battery production according to claim 5, characterized in that: the temperature in the vacuum drying oven was set to 80 degrees.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363334.0A CN111482774A (en) | 2019-09-24 | 2019-09-24 | Pole piece manufacturing process convenient for cleaning scraps |
| CN201910903137.0A CN110480739B (en) | 2019-09-24 | 2019-09-24 | Pole piece manufacturing process for battery production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910903137.0A CN110480739B (en) | 2019-09-24 | 2019-09-24 | Pole piece manufacturing process for battery production |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010363334.0A Division CN111482774A (en) | 2019-09-24 | 2019-09-24 | Pole piece manufacturing process convenient for cleaning scraps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110480739A CN110480739A (en) | 2019-11-22 |
| CN110480739B true CN110480739B (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910903137.0A Active CN110480739B (en) | 2019-09-24 | 2019-09-24 | Pole piece manufacturing process for battery production |
| CN202010363334.0A Withdrawn CN111482774A (en) | 2019-09-24 | 2019-09-24 | Pole piece manufacturing process convenient for cleaning scraps |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010363334.0A Withdrawn CN111482774A (en) | 2019-09-24 | 2019-09-24 | Pole piece manufacturing process convenient for cleaning scraps |
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Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54108989A (en) * | 1978-02-15 | 1979-08-27 | Sumikura Kogyo Kk | Automatic edge tool positioning device of slitter |
| US4570518A (en) * | 1984-06-11 | 1986-02-18 | Kimberly-Clark Corporation | Positioning apparatus for treatment device |
| US8490912B2 (en) * | 2009-12-22 | 2013-07-23 | Jesus H. Sanchez | Arbor mounted disc adjusting apparatus |
| CN205944237U (en) * | 2016-08-19 | 2017-02-08 | 深圳市信宇人科技有限公司 | Lithium ion battery pole piece is automatic production line in a complete set in succession |
| CN206200227U (en) * | 2016-11-16 | 2017-05-31 | 青海时代新能源科技有限公司 | Battery pole piece cutting machine |
| CN206883729U (en) * | 2017-04-14 | 2018-01-16 | 泉州市汉威机械制造有限公司 | The adjustable cutting knife system of one kind |
| CN207723981U (en) * | 2017-12-22 | 2018-08-14 | 无锡先导智能装备股份有限公司 | Dust-extraction unit and cutting machine for cutting tool |
| CN209036669U (en) * | 2018-09-28 | 2019-06-28 | 无锡先导智能装备股份有限公司 | Carving knife dust-extraction unit and cutting machine |
| CN208787631U (en) * | 2018-10-10 | 2019-04-26 | 上海普澜特夫精细化工有限公司 | Cutting device is used in a kind of processing of electrodes of lithium-ion batteries |
| CN209189938U (en) * | 2018-11-30 | 2019-08-02 | 苏州宇量电池有限公司 | A kind of cutter shaft applied to lithium ion battery cutting machine |
| CN209125002U (en) * | 2018-12-13 | 2019-07-19 | 东莞市蓝电新能源科技有限公司 | A kind of cutting device of high/low temperature polymer lithium battery pole slice |
| CN110212155B (en) * | 2019-07-20 | 2019-12-20 | 东莞市易赛能新能源科技有限公司 | Production process of battery pole piece |
-
2019
- 2019-09-24 CN CN201910903137.0A patent/CN110480739B/en active Active
- 2019-09-24 CN CN202010363334.0A patent/CN111482774A/en not_active Withdrawn
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| Publication number | Publication date |
|---|---|
| CN110480739A (en) | 2019-11-22 |
| CN111482774A (en) | 2020-08-04 |
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Effective date of registration: 20240418 Address after: Room 1011, Yifu Science and Technology Building, East District, China University of Metrology, No. 168 Xueyuan Street, Qiantang District, Hangzhou City, Zhejiang Province, 310018 Patentee after: Hangzhou Kuncheng Biotechnology Co.,Ltd. Country or region after: China Address before: 310000 Room 301, 3 / F, No. 6 standard plant, Zhongce Park, No. 1, No. 8 street, Qiantang new area, Hangzhou, Zhejiang Patentee before: Hangzhou Yazhou Intelligent Technology Co.,Ltd. Country or region before: China |
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