CN115881886B - Rolling and slitting integrated machine for lithium battery pole piece - Google Patents
Rolling and slitting integrated machine for lithium battery pole piece Download PDFInfo
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- CN115881886B CN115881886B CN202211698300.2A CN202211698300A CN115881886B CN 115881886 B CN115881886 B CN 115881886B CN 202211698300 A CN202211698300 A CN 202211698300A CN 115881886 B CN115881886 B CN 115881886B
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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
Abstract
The invention relates to the technical field of lithium batteries, in particular to a rolling and slitting integrated machine for pole pieces of a lithium battery, which comprises a feeding unit, a rolling unit, a slitting unit and a rolling unit, wherein the feeding unit is used for feeding the pole pieces, the rolling unit is used for rolling the pole pieces, the slitting unit is used for slitting the pole pieces after rolling, the rolling unit is used for respectively rolling the pole pieces slit into a plurality of pieces, the rolling unit further comprises a belt connecting unit, the belt connecting unit comprises a connecting mechanism and a hand-operated guide mechanism, the connecting mechanism is used for connecting the pole pieces, and the hand-operated guide mechanism is used for guiding the pole pieces after connection to enter the rolling unit for rolling. According to the invention, the hand-operated guide mechanism is arranged between the connection mechanism and the rolling unit, so that a worker can drive the pole piece to stably enter the roller press in a hand-operated manner after connecting the pole piece, and the transmission efficiency and safety are ensured.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a rolling and slitting integrated machine for a lithium battery pole piece.
Background
The pole piece is an important part for realizing energy interaction with the outside of the lithium battery, and usually the processing of the pole piece is required to be performed with three steps of brushing, rolling and slitting, and the conveying of the pole piece is realized by matching a roll-to-roll mechanism with a guide mechanism, a tension mechanism and the like.
In actual production, the pole piece is easy to break due to uneven stress in the transmission process and larger stress in the rolling process, or needs new and old replacement in unreeling, so that the pole piece needs to be connected, and the existing connection technology has the following defects: the connection is realized by the manual work, and the pole piece after connection needs to spend great energy and time to enter a normal transmission state, for example, the pole piece after connection is sent into a roller press, obviously can lead to the reduction of production efficiency, and serious even can cause the influence to production safety.
Disclosure of Invention
The invention provides a rolling and slitting integrated machine for lithium battery pole pieces, which aims at the problems in the prior art, can send the pole pieces after connection into a rolling unit in a hand-shaking manner, and is simple and safe to operate.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides a rolling and slitting integrated machine for lithium battery pole pieces, which comprises a feeding unit, a rolling unit, a slitting unit and a rolling unit, wherein the feeding unit is used for feeding the pole pieces, the rolling unit is used for rolling the pole pieces, the slitting unit is used for slitting the pole pieces after rolling, the rolling unit is used for respectively rolling the pole pieces slit into a plurality of pieces, the belt connecting unit comprises a connecting mechanism and a hand-operated guide mechanism, the connecting mechanism is used for connecting the pole pieces, and the hand-operated guide mechanism is used for guiding the connected pole pieces to enter the rolling unit for rolling.
Further, the mechanism of plugging into includes the platform of plugging into, all sets up in the first deflector roll, second deflector roll and the module of plugging into of the platform of plugging into, and first deflector roll is used for guiding the pole piece of waiting to plug into to the module of plugging into, and the module of plugging into is used for plugging into both ends pole piece, and the second deflector roll is used for conveying the pole piece after plugging into to hand formula guiding mechanism.
Still further, the module of plugging into includes the board of plugging into, collects box and two preforming structures, and the board liftable of plugging into sets up in the platform of plugging into, and the board of plugging into is provided with the powder hole that falls, collects the box and can dismantle the setting in the platform of plugging into and lie in the powder hole that falls under, and two preforming structures all set up in the board of plugging into and lie in the both sides in powder hole that falls, and two preforming structures are used for respectively pushing down the location to the both ends pole piece on the board of plugging into.
Further, the hand-operated guide mechanism comprises a hand piece, a driving roller and a transmission structure, wherein the hand piece and the driving roller synchronously rotate, the driving roller drives the driving roller to rotate through the transmission structure, and the driving roller is used for abutting against the pole piece belt and driving the pole piece belt to be transferred to the rolling unit;
the transmission structure comprises a driving gear, a transmission gear and a transmission chain, wherein the driving gear is arranged on the driving roller and synchronously rotates with the driving roller, the transmission gear is arranged on the transmission roller and synchronously rotates with the transmission roller, and the driving gear is connected with the transmission gear through the transmission chain.
Further, the transmission structure further comprises an adjusting module, the transition gear is arranged on the adjusting module, and the adjusting module is used for controlling the transition gear to move back and forth so that the transition gear is close to or far away from the transmission gear;
the adjusting module comprises a hand handle, a screw rod, a nut and an adjusting seat, wherein the screw rod is arranged on the hand handle, the nut is in threaded connection with the screw rod, the adjusting seat is arranged on the nut, and the transition gear is rotationally arranged on the adjusting seat.
Further, the rolling unit comprises a rolling machine body, an upper roller system, a lower roller system, an oil cylinder and a roller changing mechanism, wherein the upper roller system and the lower roller system are both rotatably arranged on the rolling machine body, and the oil cylinder is arranged in the rolling machine body and is used for jacking the lower roller system; one side of the rolling machine body is provided with a roll changing door, and the roll changing mechanism is arranged outside the roll press body and is opposite to the roll changing door and used for supporting the upper roll system and the lower roll system and conveying the upper roll system and the lower roll system outside the roll press body.
Further, the number of the strip connecting units is two, the two strip connecting units are respectively arranged between the feeding unit and the rolling unit and between the rolling unit and the slitting unit, and the two strip connecting units are respectively used for conveying the connected pole pieces into the rolling unit and into the slitting unit;
and a straightening mechanism is further arranged between the rolling unit and the tape connecting unit and used for straightening the rolled pole piece.
Still further, the slitting unit comprises a slitting machine body, an identification module, a transition mechanism and a slitting module which are all arranged on the slitting machine body, wherein the transition mechanism comprises a transition rotary table, a rotary table driving piece, a pressing module and a material guiding module, the rotary table driving piece is used for driving the transition rotary table to rotate, the transition rotary table is provided with two coiling stations, the coiling stations are used for coiling/uncoiling pole pieces, the pressing module is used for pressing coiled materials when the coiling stations are uncoiled, and the material guiding module is used for guiding the pole pieces to be transmitted to the slitting module when the coiling stations are uncoiled; the identification module is used for identifying whether the pole piece wound by the winding station is disconnected.
Further, the rolling unit comprises a rolling turntable, a turntable driving module, a pressing module, a guiding module and a blanking module, wherein the turntable driving module is used for driving the rolling turntable to rotate, the rolling turntable is provided with two rolling stations, the pressing module is used for flattening the pole piece on the rolling station when the pole piece is rolled by the rolling station, and the guiding module is used for guiding the pole piece to be rolled to the rolling station; the blanking module comprises a first driving mechanism, a second driving mechanism, a blanking frame and a blanking groove, wherein the first driving mechanism is used for driving the blanking frame to be close to or far away from the winding station, the second driving mechanism is used for driving the blanking frame to axially move along the winding station, the blanking groove is arranged on the blanking frame, and the blanking groove is used for forcing a winding shaft on the winding station to be separated from the winding station.
Further, the guiding module comprises a first guiding cylinder, a first guiding piece, a second guiding cylinder, a second guiding piece, a third guiding cylinder, a third guiding piece and a guiding roller arranged on the third guiding piece, wherein the first guiding cylinder is used for driving the first guiding piece to swing, the second guiding cylinder is arranged on the first guiding piece and used for driving the second guiding piece to swing, the third guiding cylinder is arranged on the second guiding piece and is rotatably arranged on the second guiding piece, and the third guiding cylinder is used for driving the third guiding piece to turn over;
the first guide is provided with a number of guide rollers.
The invention has the beneficial effects that: according to the invention, the hand-operated guide mechanism is arranged between the connection mechanism and the rolling unit, so that a worker can drive the pole piece to stably enter the roller press in a hand-operated manner after connecting the pole piece, and the transmission efficiency and safety are ensured.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic view of the docking mechanism of the present invention.
Fig. 4 is a schematic view of a roll unit according to the present invention.
Fig. 5 is a schematic view of the transmission structure of the present invention.
Fig. 6 is a side view of the slitting unit of the present invention.
Fig. 7 is a side view of the wrap unit of the present invention.
Fig. 8 is a schematic diagram of a guide module according to the present invention.
FIG. 9 is a schematic view of a wind-up roll of the present invention.
Reference numerals: 1-feeding unit, 2-powder brushing unit, 3-rolling unit, 4-slitting unit, 5-rolling unit, 6-belt-connecting unit, 7-straightening mechanism, 31-rolling machine body, 32-upper roller system, 33-lower roller system, 34-roller-changing door, 35-roller-changing mechanism, 41-slitting machine body, 42-identification module, 43-transition module, 44-slitting module, 51-rolling turntable, 52-turntable driving module, 53-pressing module, 54-guiding module, 55-blanking module, 56-rolling station, 61-connection mechanism, 62-hand-shaking guiding mechanism, 351-roller-changing table, 352-roller-changing guide rail, 353-roller-changing bracket, 354-roller-changing driving piece, 431-transition turntable, 432-turntable driving piece, 433-pressing module, 434-guiding module, 435-rolling station, 531-pressing driving piece, 532-pressing seat, 533-pressing roller, 534-pressing cylinder, 535-material-supporting swinging member 541-first guide cylinder, 542-first guide member, 543-second guide cylinder, 544-second guide member, 545-third guide cylinder, 546-third guide member, 547-guide roller, 548-guide roller, 551-first driving mechanism, 552-second driving mechanism, 553-blanking frame, 554-blanking groove, 561-roller body, 562-guide structure, 563-partition structure, 564-spring ring, 565-fixed sleeve, 566-movable sleeve, 567-clamping block, 568-partition plate, 611-connection table, 612-first guide roller, 613-second guide roller, 614-connection module, 615-connection plate, 616-collection box, 617-tabletting structure, 618-powder falling hole, 621-hand-shaking member, 622-driving roller, 623-driving roller, 624-driving structure, 6211-rocking bar, 6212-rotating shaft, 6213-rotating disc, 6241-driving gear, 6242-driving gear, 6243-a transmission chain, 6244-a transition gear, 6245-an adjusting module, 6246-a hand handle, 6247-a screw rod, 6248-a nut and 6249-an adjusting seat.
Description of the embodiments
The invention will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the invention. The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 9, the rolling and slitting integrated machine for lithium battery pole pieces provided by the invention comprises a feeding unit 1, a rolling unit 3, a slitting unit 4 and a rolling unit 5, wherein the feeding unit 1 is used for feeding pole pieces, the rolling unit 3 is used for rolling pole pieces, the slitting unit 4 is used for slitting pole pieces after rolling, the rolling unit 5 is used for respectively rolling pole pieces slit into a plurality of pieces, the rolling and slitting integrated machine further comprises a strip connecting unit 6, the strip connecting unit 6 comprises a connecting mechanism 61 and a hand-operated guide mechanism 62, the connecting mechanism 61 is used for connecting pole pieces, and the hand-operated guide mechanism 62 is used for guiding the connected pole pieces to enter the rolling unit 3 for rolling.
In actual use, a powder brushing unit 2 is arranged between the connection mechanism 61 and the hand-operated guiding mechanism 62 and is used for coating corresponding powder on the pole piece and then rolling by the rolling unit 3. Whereas the specific actions of the invention are: the pole piece is discharged by the feeding unit 1, the pole piece is brushed with a part of powder by the powder brushing unit 2, the pole piece is rolled by the rolling unit 3, the pole piece is cut into a plurality of pieces by the cutting unit 4, and the plurality of pieces are respectively rolled by the rolling unit 5. In the above process, if the pole piece material of the feeding unit 1 is completely rolled or the pole piece is disconnected before entering the rolling unit 3, a worker connects two sections of pole pieces at the connection mechanism 61, and then after connection, the pole pieces are stably guided into the rolling unit 3 by the hand-operated guiding mechanism 62, so that the rolling action can be normally performed.
The hand-operated guide mechanism is adopted in the invention, so that a worker can stably convey the pole piece into the roller press, the pole piece can be prevented from shifting or falling in the process of racing conveying, and the worker can feed the pole piece at a certain distance from the roller press, thereby ensuring the stability and the efficiency and avoiding the occurrence of safety accidents.
In this embodiment, the connection mechanism 61 includes a connection platform 611, a first guide roller 612, a second guide roller 613 and a connection module 614 all disposed on the connection platform 611, where the first guide roller 612 is used for guiding the pole piece to be connected to the connection module 614, the connection module 614 is used for connecting the pole pieces at two ends, and the second guide roller 613 is used for transmitting the pole piece after connection to the hand-operated guiding mechanism 62.
That is, the front pole piece is guided by the staff and moves to the connection platform 611 through the second guide roller 613, the rear pole piece moves to the connection platform 611 through the first knife roller, then the connection module 614 is used for acting, for example, after two pole pieces are adhered by using adhesive tape, the staff starts the hand-operated guiding mechanism 62, so that the pole pieces leave from the connection module 614 and move to the rolling unit 3 along the second guide roller 613, and the effect of being convenient for connection is achieved.
Specifically, the connection module 614 includes a connection board 615, a collection box 616 and two pressing structures 617, the connection board 615 is arranged on the connection platform 611 in a lifting manner, the connection board 615 is provided with a powder falling hole 618, the collection box 616 is detachably arranged on the connection platform 611 and located under the powder falling hole 618, the two pressing structures 617 are arranged on the connection board 615 and located on two sides of the powder falling hole 618, and the two pressing structures 617 are respectively used for pressing and positioning the pole pieces at two ends onto the connection board 615.
In actual use, the pressing structure 617 consists of two cylinders and a pressing plate, and is used for pressing the pole pieces on the connection plate 615 for positioning by respectively driving the pressing plate to press down by the cylinders after the two pole pieces are adjusted to have a good gesture before connection, so as to ensure that the pole pieces cannot be tilted or offset to influence the connection effect in the connection process; in addition, the powder on the pole piece can partially fall off in the connection process, so the invention is provided with the powder falling hole 618 for allowing the powder to fall into the collecting box 616 through the powder falling hole 618, and after collecting a certain powder, a worker can take out the collecting box 616 and clean the powder in the collecting box 616, so that the phenomenon that the powder is scattered everywhere due to being detained on the connection plate 615 is avoided.
In this embodiment, the hand-operated guiding mechanism 62 includes a hand-operated member 621, a driving roller 622, a driving roller 623, and a driving structure 624, in which the hand-operated member 621 rotates synchronously with the driving roller 622, the driving roller 622 drives the driving roller 623 to rotate via the driving structure 624, and the driving roller 623 is used for abutting against the pole piece belt and driving the pole piece belt to transfer to the rolling unit 3;
in actual use, the hand-operated guide mechanism 62 specifically operates as follows: the material is placed in the driving roller 623, and then the driving roller 622 is driven to rotate by the hand piece 621, and the driving roller 622 drives the driving roller 623 to rotate by the driving structure 624, so that the material placed on the driving roller 623 is driven to move between the upper roller system and the lower roller system in the rolling machine body 31, and the effect of guiding the material to enter the rolling machine body is achieved. The invention can perform guiding function without connection, and the material is placed on the static driving roller 623 instead of the rolling machine body during guiding, so that the efficiency is higher and the safety is better.
In this embodiment, the transmission structure 624 includes a driving gear 6241, a transmission gear 6242 and a transmission chain 6243, the driving gear 6241 is mounted on the driving roller 622 and rotates synchronously with the driving roller 622, the transmission gear 6242 is mounted on the transmission roller 623 and rotates synchronously with the transmission roller 623, and the driving gear 6241 is connected with the transmission gear 6242 through the transmission chain 6243.
Namely, the invention has the effect of enabling the driving roller 622 to drive the driving roller 623 to rotate in a chain belt transmission mode, thereby being beneficial to improving the efficiency; the outer diameter and the number of teeth of the driving gear 6241 are smaller than those of the transmission gear 6242, so that the transmission ratio between the driving roller 622 and the transmission roller 623 can be reduced, the rotation of the transmission roller 623 is more stable, and the materials are prevented from falling.
Specifically, the hand-shaking unit 621 includes a shaking lever 6211 and a rotating shaft 6212, the rotating shaft 6212 passes through the driving gear 6241 and is connected to the driving roller 622, the shaking lever 6211 is connected to the rotating shaft 6212, and the shaking lever 6211 is used for driving the rotating shaft 6212 to rotate. A rotating disc 6213 is further arranged between the rocker 6211 and the rotating shaft 6212, the rocker 6211 is arranged at the non-center position of the rotating disc 6213, and the rotating shaft 6212 is arranged at the center of the rotating disc 6213, so that a worker can conveniently drive the rotating shaft 6212 to rotate through the rocker 6211, and the driving is simpler.
Specifically, the number of the driving structures 624 is two, and the two driving structures 624 are respectively disposed at two ends of the driving roller 622 and two ends of the driving roller 623, so that the driving between the driving roller 622 and the driving roller 623 is more stable.
Preferably, the transmission structure 624 further includes a transition gear 6244, the outer diameter of the transition gear 6244 is smaller than the outer diameter of the transmission gear 6242, the transition gear 6244 is meshed with the transmission gear 6242, and two ends of the transmission chain 6243 are respectively wound on the driving gear 6241 and the transition gear 6244.
In practical use, the outer diameter and the teeth of the transition gear 6244 are smaller than the outer diameter and the teeth number of the driving gear 6241, that is, the angular speed of the transition gear 6244 is increased by a large transmission ratio when the transition gear 6244 is driven by the driving gear 6241, and the transmission ratio is reduced by the engagement of the transition gear 6244 and the transmission gear 6242, so that the transmission is more stable.
Preferably, the transmission structure 624 further includes an adjustment module 6245, the transition gear 6244 being mounted to the adjustment module 6245, the adjustment module 6245 being configured to control the transition gear 6244 to move back and forth such that the transition gear 6244 is adjacent to or remote from the transmission gear 6242.
In actual use, the adjusting module 6245 comprises a hand crank 6246, a screw rod 6247, a nut 6248 and an adjusting seat 6249, the screw rod 6247 is mounted on the hand crank 6246, the nut 6248 is in threaded connection with the screw rod 6247, the adjusting seat 6249 is mounted on the nut 6248, and the transition gear 6244 is rotatably arranged on the adjusting seat 6249. That is, after the material is guided to the rolling machine, the driving roller 623 can be regarded as a roller with tension control, and the material can be ensured to enter the rolling machine without the hand piece 621, that is, if a worker touches the hand piece 621 by mistake, the phenomenon that the material is broken due to the change of stress occurs. Therefore, the transition gear 6244 is driven by the adjusting module 6245 to move back and forth, so that the transition gear 6244 is separated from the transmission gear 6242, and the force can be prevented from being transmitted to the transmission roller 623 under the condition that the hand piece 621 is touched by mistake, thereby ensuring that the feeding action is reliably performed.
In this embodiment, the rolling unit 3 includes a rolling machine body 31, an upper roller system 32, a lower roller system 33, an oil cylinder, and a roll changing mechanism 35, wherein the upper roller system 32 and the lower roller system 33 are both rotatably disposed in the rolling machine body 31, and the oil cylinder is disposed in the rolling machine body 31 and is used for jacking up the lower roller system 33; one side of the rolling machine body 31 is provided with a roll changing door 34, a roll changing mechanism 35 is arranged outside the rolling machine body 31 and opposite to the roll changing door 34, and the roll changing mechanism 35 is used for supporting the upper roll system 32 and the lower roll system 33 and conveying the upper roll system 32 and the lower roll system 33 outside the rolling machine body 31.
Specifically, the roll changing mechanism 35 includes a roll changing table 351, a roll changing rail 352, a roll changing bracket 353 and a roll changing driving member 354, the roll changing rail 352 is disposed on the roll changing table 351, the roll changing bracket 353 is slidably disposed on the roll changing rail 352, the roll changing driving member 354 is used for driving the roll changing bracket 353 to slide so that the roll changing bracket 353 enters or leaves the roll pressing machine body 31 along the roll changing rail 352, and the roll changing bracket 353 is used for supporting the upper roll system 32 and/or the lower roll system 33.
In practical use, the roll changing driving member 354 is preferably composed of a hand crank and a screw rod structure, so that a worker can drive the roll changing bracket 353 to enter the rolling machine body 31 in a hand shaking manner, and then, after the worker separates the upper roll system 32 from the lower roll system 33 and rolls the rolling machine body 31, the upper roll system 32/the lower roll system 33 can fall on the roll changing bracket 353 under the action of gravity, and then, the roll changing bracket 353 can be separated from the rolling machine body 31 only by reversely shaking the hand crank, so that the effect of safely and rapidly separating the roll system from the rolling machine body 31 is achieved.
In this embodiment, the number of the strip-connecting units 6 is two, the two strip-connecting units 6 are respectively arranged between the feeding unit 1 and the rolling unit 3, and between the rolling unit 3 and the slitting unit 4, and the two strip-connecting units 6 are respectively used for feeding the connected pole pieces into the rolling unit 3 and into the slitting unit 4;
and a straightening mechanism 7 is further arranged between the rolling unit 3 and the tape connecting unit 6, and the straightening mechanism 7 is used for straightening the rolled pole piece.
Namely, after rolling, the pole piece is straightened, so that the pole piece can be cut after being not bent, and the shape of the cut pole piece meets the requirements. Because there is the cracked pit of letting the pole piece when the pole piece is straightened, consequently be equipped with between roll-in unit 3 and cut unit 4 and connect area unit 6 to guarantee can in time connect after breaking the pole piece, be convenient for cut the going on of action.
Specifically, the slitting unit 4 includes a slitting machine 41, an identification module 42, a transition mechanism and a slitting module 44, which are all disposed on the slitting machine 41, the transition mechanism includes a transition turntable 431, a turntable driving member 432, a pressing module 433 and a guiding module 434, the turntable driving member 432 is used for driving the transition turntable 431 to rotate, the transition turntable 431 has two winding stations 435, the winding stations 435 are used for winding/unwinding pole pieces, the pressing module 433 is used for pressing the winding materials when the winding stations 435 unwind, and the guiding module 434 is used for guiding the pole pieces to be transmitted to the slitting module 44 when the winding stations 435 unwind; the identification module 42 is used for identifying whether the pole piece wound by the winding station 435 is broken.
The rotary disk drive 432 is a conventional device, namely, the transition rotary disk 431 has two functions, when one works on the pole piece after being rolled and straightened, the other work station is unreeled; the setting of this transition carousel 431 is used for cooperating with the connection: when the action from discharging to straightening is slow or stopped due to the need of connection, the other work continues to unreel so as to ensure that the slitting and winding unit 5 can continue to operate; after unreeling is finished, the transition turntable 431 is driven to rotate 180 degrees by the turntable driving piece 432, so that the positions of the two stations can be exchanged, the rolling straightening action and the slitting rolling action are not interfered with each other, and the effect of adjusting the action beats of the invention is achieved.
In this embodiment, the winding unit 5 includes a winding turntable 51, a turntable driving module 52, a pressing module 53, a guiding module 54 and a blanking module 55, where the turntable driving module 52 is used to drive the winding turntable 51 to rotate, the winding turntable 51 has two winding stations 56, the pressing module 53 is used to smooth out the pole piece on the winding station 56 when the winding station 56 winds the pole piece, and the guiding module 54 is used to guide the pole piece to be wound to the winding station 56; the blanking module 55 comprises a first driving mechanism 551, a second driving mechanism 552, a blanking frame 553 and a blanking groove 554, wherein the first driving mechanism 551 is used for driving the blanking frame 553 to be close to or far away from the rolling station 56, the second driving mechanism 552 is used for driving the blanking frame 553 to axially move along the rolling station 56, the blanking groove 554 is arranged on the blanking frame 553, and the blanking groove 554 is used for forcing a rolling shaft on the rolling station 56 to be separated from the rolling station 56.
The turntable driving module 52 is of a conventional structure and is used for controlling the winding turntable 51 to rotate so that the two winding stations 56 of the winding turntable 51 can be subjected to position exchange; when in rolling, the rolling station 56 needs to be sleeved with a corresponding rolling shaft, so that the pole piece is transferred to the rolling shaft for rolling after being cut, and the pressing module 53 plays a role in smoothing, namely, air bubbles or gaps when the pole piece is rolled are extruded to ensure that the pole piece is tightly attached layer by layer; the guiding module 54 guides the pole piece to the winding shaft, the outer diameter of the pole piece wound by the winding shaft increases along with the increase of the pole piece, and the guiding module 54 performs self-adaptive position adjustment, so as to ensure that the guided pole piece is wound to the winding shaft in an optimal posture.
When in blanking, after the rolling turntable 51 turns 180 degrees, the first driving mechanism 551 controls the blanking frame 553 to approach the rolling station 56 until the blanking groove 554 is sleeved on the rolling station 56, and then the second driving mechanism 552 acts to drive the blanking frame 553 to move along the axial direction of the rolling station 56, so that the blanking groove 554 applies enough force to push all the rolling shafts to blanking, and the blanking efficiency is improved.
Specifically, the guide module 54 includes a first guide cylinder 541, a first guide 542, a second guide cylinder 543, a second guide 544, a third guide cylinder 545, a third guide 546, and a guide roller 547 mounted on the third guide 546, where the first guide cylinder 541 is used for driving the first guide 542 to swing, the second guide cylinder 543 is mounted on the first guide 542, the second guide cylinder 543 is used for driving the second guide 544 to swing, the third guide cylinder is mounted on the second guide 544, the third guide 546 is rotatably disposed on the second guide 544, and the third guide cylinder is used for driving the third guide 546 to turn over; the first guide 542 is provided with a number of guide rollers 548.
Namely, by matching the first guide cylinder 541, the second guide cylinder 543 and the third guide cylinder, the guide roller 547 can swing in three paths on a vertical surface, and the effect of reliably adjusting the relative posture between the guide roller 547 and the winding station 56 is achieved by matching the three paths, so that the posture of the guide roller 547 can be timely adjusted according to the thickness of the pole piece on the winding station 56, the pole piece is ensured to be guided to the winding station 56 in a proper posture, and the bending of the pole piece is avoided.
Specifically, the pressing module 53 includes a pressing driving member 531, a pressing seat 532, and a pressing roller 533, where the pressing driving member 531 is configured to drive the pressing seat 532 to swing to approach or depart from the winding roller, and the pressing roller 533 is rotatably disposed on the pressing seat 532, and the pressing roller 533 is configured to smooth the pole piece wound by the winding station 56.
That is, when the material is rolled, the material-pressing roller 533 of the material-pressing module 53 is abutted against the material on the rolling shaft, and as the thickness of the material rolled by the rolling shaft increases, the material-pressing roller 533 is continuously pushed to push along the arc line, and at this time, the material-pressing driving member 531 is continuously reset along with the rolling, so that the material-pressing roller 533 can continuously adjust the posture to ensure that the material is not excessively extruded while the material is pressed.
The material supporting driving member 531 includes a material supporting cylinder 534 and a material supporting swinging member 535, the material supporting cylinder 534 is mounted on the machine body, two ends of the material supporting swinging member 535 are respectively rotatably connected to the machine body and the material supporting seat 532, a piston rod of the material supporting cylinder 534 is rotatably connected to the material supporting swinging member 535, and the material supporting cylinder 534 is used for driving the material supporting swinging member 535 to swing.
That is, the material-propping cylinder 534 realizes the effect of controlling the material-propping swinging member 535 to swing through the telescopic mode of the piston rod, so that the material-propping roller 533 is propped against the winding shaft along the arc track through the swinging mode, and continuously retreats along with the increase of the thickness of the material collected by the winding shaft. Compared with a linear material abutting structure, the material pressing device is of a swinging structure, so that the extrusion of materials is smaller, and damage to the materials is avoided.
In this embodiment, the winding station 56 has a winding roller, the winding roller includes a roller body 561 and a plurality of guiding structures 562, the guiding structures 562 are disposed on the roller body 561, a separation structure 563 is disposed between adjacent guiding structures 562, and the guiding structures 562 are used for being inserted into the winding shaft and abutting against the inner side wall of the winding shaft.
That is, each guiding structure 562 is correspondingly positioned with a winding shaft, and the separating structure 563 has the effect of allowing a space between two adjacent guiding structures 562, so that adjacent materials have enough distance to avoid adhesion during winding.
Specifically, the guiding structure 562 includes a plurality of rollers, the rollers are arranged in an annular array with the central axis of the roller body 561 as a center of a circle, and are perpendicular to the central axis of the roller body 561. When the winding shaft is installed or detached, the winding shaft slides along the roller, so that the winding shaft can conveniently move back and forth along the length direction of the winding shaft; the separation structure 563 has a limiting effect, and the winding shaft can move across the separation structure 563 by applying a slightly large force by the blanking module 55, so that the winding shaft is prevented from moving along the length direction of the winding roller in the winding action.
Specifically, the separation structure 563 includes a spring ring 564, a fixed sleeve 565 and a movable sleeve 566, where the fixed sleeve 565 is fixedly disposed on the roller body 561, the movable sleeve 566 is movably disposed on the roller body 561, the spring ring 564 is wound on the roller body 561 and located between the fixed sleeve 565 and the movable sleeve 566, and a gap is provided between the movable sleeve 566 and the guide structure 562.
In practice, the divider structure 563 further includes a spacer 568 disposed between the movable sleeve 566 and the guide structure 562 for allowing a worker to apply a slightly greater force to ride over; the spring ring 564, the fixed sleeve 565 and the movable sleeve 566 are matched for the winding shaft to be sleeved, and the winding shaft can be adjusted by moving left and right in a small amplitude during winding, so that the effect of self-adaptive adjustment of the winding shaft according to factors such as material offset is achieved.
Specifically, a clamping block 567 is arranged between the fixed sleeve 565 and the movable sleeve 566, the clamping block 567 is provided with a containing groove for containing the spring ring 564, two sides of the spring ring 564 are respectively abutted against the movable sleeve 566 and the fixed sleeve 565, the effect of positioning the spring ring 564 is achieved, and the movable sleeve 566 is ensured to reset under the reset force of the spring ring 564 after being deflected.
The present invention is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present invention.
Claims (8)
1. The utility model provides a roll-in cutting all-in-one of lithium cell pole piece, includes feeding unit, roll-in unit, cuts unit and rolling unit, and feeding unit is used for the material loading pole piece, and the roll-in unit is used for carrying out the roll-in to the pole piece, cuts the unit and is used for cutting the pole piece after the roll-in, and the rolling unit is used for carrying out the rolling respectively to the pole piece of cutting into many, its characterized in that: the hand-operated guide mechanism is used for guiding the connected pole piece to enter the rolling unit for rolling;
the hand-operated guide mechanism comprises a hand piece, a driving roller and a transmission structure, wherein the hand piece and the driving roller synchronously rotate, the driving roller drives the driving roller to rotate through the transmission structure, and the driving roller is used for abutting against the pole piece belt and driving the pole piece belt to be transferred to the rolling unit;
the driving structure comprises a driving gear, a transmission gear and a transmission chain, wherein the driving gear is arranged on the driving roller and synchronously rotates with the driving roller, the transmission gear is arranged on the transmission roller and synchronously rotates with the transmission roller, and the driving gear is connected with the transmission gear through the transmission chain in a transmission way;
the transmission structure further comprises an adjusting module, the transition gear is arranged on the adjusting module, and the adjusting module is used for controlling the transition gear to move back and forth so that the transition gear is close to or far away from the transmission gear;
the adjusting module comprises a hand handle, a screw rod, a nut and an adjusting seat, wherein the screw rod is arranged on the hand handle, the nut is in threaded connection with the screw rod, the adjusting seat is arranged on the nut, and the transition gear is rotationally arranged on the adjusting seat.
2. The roll slitting integrated machine of a lithium battery pole piece according to claim 1, wherein: the connecting mechanism comprises a connecting table, a first guide roller, a second guide roller and a connecting module, wherein the first guide roller, the second guide roller and the connecting module are all arranged on the connecting table, the first guide roller is used for guiding a pole piece to be connected to the connecting module, the connecting module is used for connecting pole pieces at two ends, and the second guide roller is used for conveying the pole pieces after connection to the hand-operated guiding mechanism.
3. The roll slitting integrated machine of a lithium battery pole piece according to claim 2, wherein: the module of plugging into includes that the board, collection box and two preforming structures are plugged into, and the board liftable sets up in the platform of plugging into, and the board of plugging into is provided with the powder hole that falls, and the collection box can dismantle the setting in the platform of plugging into and lie in under the powder hole that falls, and two preforming structures all set up in the board of plugging into and lie in the both sides in powder hole that falls, and two preforming structures are used for respectively to push down the location to the both ends pole piece on the board of plugging into.
4. The roll slitting integrated machine of a lithium battery pole piece according to claim 1, wherein: the rolling unit comprises a rolling machine body, an upper roller system, a lower roller system, an oil cylinder and a roller changing mechanism, wherein the upper roller system and the lower roller system are both rotatably arranged on the rolling machine body, and the oil cylinder is arranged in the rolling machine body and is used for jacking the lower roller system; one side of the rolling machine body is provided with a roll changing door, and the roll changing mechanism is arranged outside the roll press body and is opposite to the roll changing door and used for supporting the upper roll system and the lower roll system and conveying the upper roll system and the lower roll system outside the roll press body.
5. The roll slitting integrated machine of a lithium battery pole piece according to claim 1, wherein: the two strip connecting units are respectively arranged between the feeding unit and the rolling unit and between the rolling unit and the slitting unit, and are respectively used for conveying the spliced pole pieces into the rolling unit and into the slitting unit;
and a straightening mechanism is further arranged between the rolling unit and the tape connecting unit and used for straightening the rolled pole piece.
6. The roll slitting integrated machine for lithium battery pole pieces according to claim 5, wherein: the slitting unit comprises a slitting machine body, an identification module, a transition mechanism and a slitting module, wherein the identification module, the transition mechanism and the slitting module are all arranged on the slitting machine body, the transition mechanism comprises a transition rotary table, a rotary table driving piece, a material pressing module and a material guiding module, the rotary table driving piece is used for driving the transition rotary table to rotate, the transition rotary table is provided with two coiling stations, the coiling stations are used for coiling/uncoiling pole pieces, the material pressing module is used for pressing coiled materials when the coiling stations are uncoiled, and the material guiding module is used for guiding the pole pieces to be transmitted to the slitting module when the coiling stations are uncoiled; the identification module is used for identifying whether the pole piece wound by the winding station is disconnected.
7. The roll slitting integrated machine of a lithium battery pole piece according to claim 1, wherein: the rolling unit comprises a rolling turntable, a turntable driving module, a pressing module, a guiding module and a discharging module, wherein the turntable driving module is used for driving the rolling turntable to rotate, the rolling turntable is provided with two rolling stations, the pressing module is used for flattening the pole piece on the rolling stations when the pole piece is rolled by the rolling stations, and the guiding module is used for guiding the pole piece to be rolled to the rolling stations; the blanking module comprises a first driving mechanism, a second driving mechanism, a blanking frame and a blanking groove, wherein the first driving mechanism is used for driving the blanking frame to be close to or far away from the winding station, the second driving mechanism is used for driving the blanking frame to axially move along the winding station, the blanking groove is arranged on the blanking frame, and the blanking groove is used for forcing a winding shaft on the winding station to be separated from the winding station.
8. The roll slitting integrated machine of a lithium battery pole piece according to claim 7, wherein: the guide module comprises a first guide cylinder, a first guide piece, a second guide cylinder, a second guide piece, a third guide cylinder, a third guide piece and a guide roller arranged on the third guide piece, wherein the first guide cylinder is used for driving the first guide piece to swing;
the first guide is provided with a number of guide rollers.
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| CN202211698300.2A CN115881886B (en) | 2022-12-28 | 2022-12-28 | Rolling and slitting integrated machine for lithium battery pole piece |
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| CN117012887A (en) * | 2023-06-03 | 2023-11-07 | 东莞希思克传动科技有限公司 | High-precision heavy-load precise adjusting mechanism |
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