CN212287917U - Lithium battery pole piece die cutting and slitting all-in-one machine - Google Patents
Lithium battery pole piece die cutting and slitting all-in-one machine Download PDFInfo
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- CN212287917U CN212287917U CN202020399592.XU CN202020399592U CN212287917U CN 212287917 U CN212287917 U CN 212287917U CN 202020399592 U CN202020399592 U CN 202020399592U CN 212287917 U CN212287917 U CN 212287917U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a lithium battery pole piece cross cutting divides strip all-in-one. The die-cutting and slitting integrated machine comprises an unreeling mechanism, a marking and punching mechanism, a tab forming mechanism, a labeling mechanism, a cutting and slitting mechanism and a reeling mechanism which are sequentially arranged along the moving direction of a lithium battery pole piece; the unwinding mechanism comprises more than two independent unwinding rollers capable of switching unwinding; the label forming mechanism comprises a plurality of label cutting assemblies, a label pasting mechanism and a label pressing mechanism, wherein the label cutting assemblies are arranged on the label pasting mechanism, the label pressing mechanism is arranged on the label pasting mechanism, and the label pressing mechanism is arranged on the label pasting mechanism; the cutting and slitting mechanism comprises a cutting and slitting device; the winding mechanism comprises more than two independent winding rollers which are used for winding respectively the cutting slitting mechanism cuts a plurality of pole piece strips after slitting. The die-cutting and slitting integrated machine integrates multiple stations, can rapidly complete die-cutting and slitting of the pole pieces, improves the production efficiency of the pole pieces, and reduces the production cost.
Description
Technical Field
The utility model relates to a lithium battery pole piece production facility technical field, concretely relates to lithium battery pole piece cross cutting divides strip all-in-one.
Background
The lithium battery has the characteristics of high energy, environmental protection, long service life and convenience in carrying. As the demand for lithium batteries is increasing and the models for different application fields are increasing, the production and manufacturing capabilities of lithium batteries are also increasing to meet the demand for quantity and various forms. The production and manufacturing of the lithium battery pole piece are key processes in the production process of the lithium battery, and specifically comprise the steps of slurry preparation, pole piece coating and drying, pole piece rolling and compacting and pole piece die cutting.
The die cutting of the pole pieces is a process of die cutting a large-size pole piece belt into a plurality of small-size pole piece belts by using a die cutting machine according to various models or style requirements of batteries, and then performing slitting and winding by using a slitting and winding machine. In addition, before the pole piece is transferred to a die cutting machine for die cutting, the pole piece is further required to be marked and punched according to the number of die cutting strips, and the pole lug, the defect and the size detection, the labeling and the like of the corresponding small-size pole piece belt are formed. Like this put a plurality of continuous processes respectively on a plurality of independent equipment go on, not only increase when making the production, still need consume more manpower and materials moreover in the transfer process, greatly reduced battery pole piece's production efficiency, and many times the transfer process causes the damage to the pole piece of production more easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lithium battery pole piece cross cutting divides strip all-in-one to the defect or not enough that exist among the prior art. This lithium battery pole piece cross cutting divides strip all-in-one collects cross cutting, divides strip and cross cutting before the mark punch, utmost point ear shaping, detection, paste multiple station in an organic whole such as mark, makes the pole piece of making can once only accomplish fast on this all-in-one and cross cutting all processes of dividing the strip, effectively improves the production efficiency of pole piece, reduction in production cost to effectively reduce the damage that causes the pole piece.
The purpose of the utility model is realized through the following technical scheme.
A lithium battery pole piece die-cutting and slitting integrated machine comprises an unreeling mechanism, a marking and punching mechanism, a tab forming mechanism, a labeling mechanism, a cutting and slitting mechanism and a reeling mechanism which are sequentially arranged along the moving direction of a lithium battery pole piece;
the unwinding mechanism comprises more than two independent unwinding rollers, and a belt splicing assembly is arranged at the unwinding discharge end of the unwinding mechanism; the marking and punching mechanism comprises a plurality of punching devices which are distributed along the moving direction vertical to the lithium battery pole piece according to the number of pole piece die cutting strips; the tab forming mechanism comprises a plurality of tab cutting assemblies which are arranged along the moving direction vertical to the lithium battery pole piece according to the number of the pole piece die cutting strips; the labeling mechanism comprises a plurality of labeling components which are arranged along the moving direction vertical to the lithium battery pole piece according to the number of pole piece die cutting strips; the cutting and slitting mechanism comprises a cutting and slitting device; the winding mechanism comprises more than two independent winding rollers which are used for winding respectively the cutting slitting mechanism cuts a plurality of pole piece strips after slitting.
In a preferred embodiment, the discharging end of the splicing tape assembly is provided with a first tension mechanism, and the discharging end of the labeling mechanism is provided with a second tension mechanism; the first tension mechanism comprises two tension swing rollers driven by a tension cylinder; the second tension mechanism comprises a fixed roller and a floating roller which can float up and down.
In a preferred embodiment, the discharge end of the tab forming mechanism is provided with a traction assembly.
In a more preferred embodiment, the feeding end of the mark punching mechanism is provided with an auxiliary traction mechanism;
the auxiliary traction mechanism comprises an auxiliary traction driving roller and an auxiliary traction pressing roller; the auxiliary traction driving roller is driven by an independent auxiliary traction servo motor to rotate; the auxiliary traction pressing roller is arranged on the outer side of the auxiliary traction driving roller in parallel and can be driven by the auxiliary traction cylinder to rotate and swing to press against the auxiliary traction driving roller.
In a preferred embodiment, in the mark punching mechanism, the distance between two adjacent punching devices is adjustable; in the tab forming mechanism, the distance between two adjacent tab cutting assemblies is adjustable; in the labeling mechanism, the distance between two adjacent labeling components is adjustable.
In a preferred embodiment, the mark punching mechanism and the lug forming mechanism are both provided with a deviation rectifying sensor and a deviation rectifying motor; and the deviation rectifying sensor is connected with the deviation rectifying motor through a controller.
In a more preferable embodiment, the mark punching mechanism is further provided with a deviation-correcting scale for measuring the indirect deviation between two adjacent punching devices.
In a preferred embodiment, a CCD detection mechanism is arranged between the tab forming mechanism and the labeling mechanism; the CCD detection mechanism comprises a defect detection assembly and a size detection assembly which are respectively used for detecting the defects and the sizes of the lithium battery pole pieces.
In a preferred embodiment, a slitting deviation correcting mechanism is arranged at the feeding end of the slitting and slitting mechanism;
and/or the discharge end of the cutting and slitting mechanism is provided with a roller dust removal mechanism.
In a more preferred embodiment, the roller dust removing mechanism comprises a dust collection box body; the bottom of the dust collection box body is in an arc shape which is adaptive to the roller surface;
a dust absorption cavity and an ion air knife are arranged in the dust absorption box body; the dust suction port of the dust suction chamber and the air outlet of the ion air knife face the bottom of the dust suction box body;
and the bottom of the dust collection box body and the side of the feeding end positioned in the pole piece unwinding advancing direction are provided with a magnet array.
In a preferred embodiment, a lug pressing mechanism is arranged at the feeding end of the winding mechanism; the lug smoothing mechanism comprises a lug smoothing motor, a lug smoothing sheet and a lug smoothing guide rail; the trend of the lug pressing guide rail is along the winding and rolling diameter; the pole lug tending sheet is arranged on the pole lug tending guide rail, and can slide on the pole lug tending guide rail to be close to or far away from the winding roller through the drive of the pole lug tending motor.
Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:
the utility model discloses a cross cutting divides strip all-in-one collects the cross cutting, divide strip and cross cutting front marker to punch, utmost point ear shaping, detect, multiple station in an organic whole such as mark, the defect of accomplishing respectively on a plurality of solitary equipment has been avoided a plurality of processes to need the dispersion, thereby make the pole piece that makes can once only accomplish the cross cutting fast on this all-in-one and divide all processes of strip, reduce the manpower and materials that pole piece cross cutting divides the required time-consuming and shifts between the continuous process, effectively improve the production efficiency of pole piece, and the reduction in production cost, and effectively reduce the damage that multiple transfer caused the pole piece, the production quality of guarantee pole piece.
Drawings
Fig. 1 is a schematic view of the overall structure of the die-cutting and slitting integrated machine for lithium battery pole pieces according to the embodiment of the invention;
FIG. 2 is a schematic structural diagram of a tape splicing assembly in the die-cutting and slitting integrated machine for the lithium battery pole piece;
FIG. 3 is a schematic structural diagram of a marking and punching mechanism in the die-cutting and slitting integrated machine for lithium battery pole pieces;
FIG. 4 is a schematic structural diagram of a cutting and slitting mechanism in the die-cutting and slitting integrated machine for lithium battery pole pieces;
FIG. 5 is a schematic structural diagram of a first tension mechanism in the die-cutting and slitting integrated machine for the lithium battery pole piece;
FIG. 6 is a schematic structural diagram of a traction assembly in the die-cutting and slitting integrated machine for the lithium battery pole piece;
FIG. 7 is a schematic structural diagram of an auxiliary traction mechanism in the die-cutting and slitting integrated machine for the lithium battery pole pieces;
FIG. 8 is a schematic structural diagram of a slitting and deviation rectifying mechanism in the die-cutting and slitting integrated machine for lithium battery pole pieces;
FIG. 9 is an overall structure schematic diagram of a dust removal mechanism in the die-cutting and slitting integrated machine for the lithium battery pole pieces;
FIG. 10 is a schematic cross-sectional structure view of a dust removal mechanism in the die-cutting and slitting integrated machine for lithium battery pole pieces;
FIG. 11 is a schematic structural diagram of a lug stroking mechanism in the die-cutting and slitting integrated machine for the lithium battery pole pieces;
the attached drawings are marked as follows: 1-unwinding mechanism, 101-unwinding roller, 2-marking punching mechanism, 201-punching device, 202-deviation correction sensor, 203-deviation correction motor, 204-deviation correction scale, 205-adjusting piece, 3-tab forming mechanism, 301-tab cutting assembly, 4-labeling mechanism, 401-labeling device, 5-cutting slitting mechanism, 501-cutting slitting roller, 502-upper cutting knife, 503-lower cutting knife, 6-winding mechanism, 601-winding roller, 7-tape splicing assembly, 701-tape splicing press plate, 702-tape splicing table, 8-first tension mechanism, 801-tension cylinder, 802-tension swing roller, 9-second tension mechanism, 901-fixed roller, 902-floating roller, 10-traction assembly, 101-traction driving roller passing, 102-traction press roller, 103-traction servo motor, 104-traction cylinder, 11-auxiliary traction mechanism, 111-auxiliary traction driving roller passing, 112-auxiliary traction press roller, 113-auxiliary traction servo motor, 114-auxiliary traction cylinder, 12-CCD detection mechanism, 121-defect detection component, 122-size detection component, 13-strip division deviation correction mechanism, 131-deviation correction roller, 132-deviation correction inductor, 14-roller passing dust removal mechanism, 140-dust collection box body, 141-dust collection chamber, 142-ion air knife, 143-negative pressure interface, 144-magnet array, 15-lug pressing mechanism, 151-lug pressing motor, 152-lug pressing lug, 153-lug pressing guide rail and 16-anti-shaking swing roller.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following specific embodiments and accompanying drawings, but the scope of protection and the implementation of the present invention are not limited thereto. In the description of the specific embodiments, it should be noted that the terms "upper" and "lower" are used for distinguishing the orientation and the positional relationship shown in the drawings or the orientation and the positional relationship where the product of the present invention is used, and the terms "first" and "second" are used for descriptive purposes only and are used for descriptive convenience only and for simplifying the description, but do not indicate or imply that the structure or the element to be referred must have a specific orientation, be constructed in a specific orientation and be operated, and therefore should not be interpreted as limiting the invention, and should not indicate or imply relative importance.
Example 1
Referring to fig. 1, the lithium battery pole piece die-cutting and slitting integrated machine is shown in the embodiment. The die-cutting and slitting integrated machine comprises an unwinding mechanism 1, a marking and punching mechanism 2, a tab forming mechanism 3, a labeling mechanism 4, a cutting and slitting mechanism 5 and a winding mechanism 6 which are sequentially arranged along the moving direction of a lithium battery pole piece. When the manufactured large-size lithium battery pole piece is subjected to die cutting and slitting, firstly, a coiled lithium battery pole piece coiled material is uncoiled by an uncoiling mechanism 1; when the unreeled roll passes through the marking and punching mechanism 2, the marking and punching mechanism 2 marks and punches corresponding strips according to the number of the die-cutting strips; then, when the film is continuously unreeled and passes through the tab forming mechanism 3, the tab forming mechanism 3 cuts the side edges on the corresponding strips according to the number of the die-cutting strips to form tabs; continuously unreeling the paper to pass through the labeling mechanism 4, and labeling the corresponding strips by the labeling mechanism 4 according to the number of the die-cut strips; and continuously unreeling the lithium battery pole pieces to a cutting and slitting mechanism 5 for cutting and slitting, and respectively reeling the slit pole piece strips after cutting and slitting into small-size pole piece rolls by a reeling mechanism 6.
Wherein, unwinding mechanism 1 includes two or more independent unwinding rollers 101, and two or more independent unwinding rollers 101 can switch each other and unreel, and in this embodiment, unwinding mechanism 1 is the double-switch unwinding mechanism, includes two independent unwinding rollers 101. And the unwinding discharge end of the unwinding mechanism 1 is provided with a belt connecting assembly 7, and when two independent unwinding rollers 101 are switched to unwind, unwinding can be completed by belt connection of the belt connecting assembly 7. Referring to fig. 2, in this embodiment, the splicing assembly 7 is an artificial splicing assembly, and includes a splicing pressing plate 701 and a splicing platform 702, when two unwinding rollers 101 switch to unwind and splice, the splicing pressing plate 701 presses the material belt down on the splicing platform 702 under the driving of the air cylinder, and then the splicing is performed manually.
Optionally, the mark punching mechanism 2 includes a plurality of punching devices 201 which are arranged in a direction perpendicular to the moving direction of the lithium battery pole piece and are divided into a number of strips according to the pole piece die; the tab forming mechanism 3 comprises a plurality of tab cutting assemblies 301 which are arranged along the moving direction vertical to the lithium battery pole piece according to the number of the pole piece die cutting strips; the labeling mechanism 4 comprises a plurality of labeling assemblies 401 which are arranged along the moving direction vertical to the lithium battery pole pieces according to the number of pole piece die cutting strips. In a specific embodiment, referring to the die-cutting and slitting integrated machine shown in fig. 1 for die-cutting and slitting the large-size pole piece tape into two small-size pole piece tapes, the marking and punching mechanism 2 includes two punching devices 201 symmetrically arranged on two sides along the moving direction of the lithium battery pole piece; the tab forming mechanism 3 comprises two tab cutting assemblies 301 symmetrically arranged on two sides along the moving direction of the lithium battery pole piece, and optionally, the tab cutting assemblies 301 comprise an upper cutting die and a lower cutting die, a tab cutting knife is mounted on the upper cutting die, and a cutting knife platform is arranged on the lower cutting die; labeling mechanism 4 includes two subsides mark subassemblies 401 that set up in both sides along lithium-ion battery pole piece's moving direction symmetry, and optionally pastes mark subassembly 401 including driving actuating cylinder to and carry out the subsides mark head that pastes the mark by driving actuating cylinder drive.
Moreover, optionally, in the marking and punching mechanism 2, the distance between two adjacent punching devices 201 is adjustable; in the tab forming mechanism 3, the distance between two adjacent tab cutting assemblies 301 is adjustable; in the labeling mechanism 4, the distance between two adjacent labeling assemblies 401 is adjustable.
In this embodiment, the mark punching mechanism 2 and the tab forming mechanism 3 are both provided with a deviation correction sensor 202 and a deviation correction motor 203, and the deviation correction sensor 202 is connected with the deviation correction motor 203 through a PLC controller; detect the orbit of unreeling of lithium-ion battery pole piece through deviation sensor 202 to give the PLC controller with the signal transmission of surveying, send the instruction by the PLC controller and control deviation motor 203 and make the adjustment of rectifying. Referring to fig. 2, in the embodiment, two punching devices 201 in the mark punching mechanism 2 can be driven by a deviation-correcting motor 203 to move together along a direction perpendicular to the moving direction of the lithium battery pole pieces, so that deviation-correcting operation can be performed.
Preferably, as shown in fig. 3, a deviation-correcting scale 204 for measuring a distance between two punching devices 201 is further disposed on the mark punching mechanism 2, so that accurate deviation-correcting adjustment can be performed on two punching devices 201 on the mark punching mechanism 2.
Moreover, optionally, the marking and punching mechanism 2 can also move back and forth along the moving direction of the lithium battery pole piece through the adjusting piece 205 to adjust, so that the position of the marking hole relative to the pole piece is met, and various process requirements can be met. The adjusting piece 205 comprises an adjusting screw rod, one end of the adjusting screw rod is connected with the marking and punching mechanism 2, the other end of the adjusting screw rod is provided with an adjusting handle, and the adjusting screw rod can drive the marking and punching mechanism 2 to move back and forth along the moving direction of the lithium battery pole piece through rotation.
In a specific embodiment, the cutting and slitting mechanism 5 includes a cutting and slitting device, and can cut and slit the lithium battery pole pieces. Optionally, referring to fig. 4, the slitting and cutting device of this embodiment includes a slitting and slitting roller 501 arranged up and down, and an upper cutting knife 502 and a lower cutting knife 503 are respectively disposed on the slitting and slitting roller 501, and when the unreeled tape passes through the slitting and slitting roller 501, the upper cutting knife 502 and the lower cutting knife 503 are matched to slit the unreeled tape.
Correspondingly, the winding mechanism 6 comprises more than two independent winding rollers 601 for winding the plurality of pole piece strips cut by the cutting and slitting mechanism 5. In this embodiment, an upper cutting knife 502 and a lower cutting knife 503 are respectively disposed between the upper and lower cutting slitting rollers 501, so that the unreeled tape can be cut into two pieces; the corresponding winding mechanism 6 is a double winding mechanism, and is provided with two independent winding rollers 601 for winding the small-size material belt cut into two.
In the present embodiment, the discharging end of the splicing tape assembly 7 is provided with a first tension mechanism 8, and the discharging end of the labeling mechanism 4 is provided with a second tension mechanism 9. Referring to fig. 5, the first tension mechanism 8 includes two tension swing rollers 802 driven by a tension cylinder 801, and in the unwinding process, the tension cylinder 801 controls an output torque according to the air pressure, so as to control the swing of the tension swing rollers 802 to achieve continuous and adjustable tension, thereby achieving constant-tension unwinding of the pole pieces. The second tension mechanism 9 includes a fixed roller 901 and a floating roller 902 which can float up and down. In the process of unwinding, die cutting and slitting of the pole piece material belt, the first tension mechanism 8 can ensure that the unwinding belt path is tensioned, and the second tension mechanism 9 can ensure that the slitting belt path is tensioned.
In this embodiment, the discharge end of the tab forming mechanism 3 is provided with a traction assembly 10 for drawing the unreeling of the tab. Referring to fig. 6, the drawing assembly 10 includes a drawing driving roller 101 and a drawing pressure roller 102, the drawing driving roller 101 is driven to rotate by a separate drawing servo motor 103, and the drawing pressure roller 102 is disposed above the drawing driving roller 101 and can be pressed against the drawing driving roller 101 by a drawing cylinder 104. In the unreeling process, when the pole piece material belt is unreeled and passes through the traction driving over-roller 101, the traction pressing roller 102 presses against the traction driving over-roller 101 to compress and draw the pole piece material belt; and the pressure of traction compression roller 102 can be accurately controlled by controlling the air valve input air pressure of traction air cylinder 104.
Furthermore, the feeding end of the marking and punching mechanism 2 is provided with an auxiliary traction mechanism 11 for unwinding and auxiliary traction of the pole piece. Referring to fig. 7, the auxiliary traction mechanism 11 includes an auxiliary traction driving roller 111 and an auxiliary traction pressing roller 112; the auxiliary traction driving roller 111 is driven by an independent auxiliary traction servo motor 113 to rotate; the auxiliary traction roller 112 is disposed in parallel outside the auxiliary traction roller 111, and is driven by an auxiliary traction cylinder 114 to rotate and swing to press against the auxiliary traction roller 111 during auxiliary traction operation. During unwinding, the auxiliary traction mechanism 11 may cooperate with the traction assembly 10 to pull the strip of pole piece material.
Moreover, preferably, an anti-shaking swing roller 16 is further disposed at the discharge end of the auxiliary traction mechanism 11, and is used for slowing down shaking of the pole piece in the unwinding process. The cooperation between the anti-shake swing roller 16 and the auxiliary traction mechanism 11 and the main traction mechanism 10 effectively solves the problem of belt path shake or belt path tearing caused by traction errors of the traction mechanism 10 and the auxiliary traction mechanism 11. Optionally, the anti-shake oscillating roller 16 is driven by an air cylinder to oscillate, and the tension can be adjusted and controlled through an air pressure valve of the air cylinder.
Preferably, a CCD detection mechanism 12 is arranged between the tab forming mechanism 3 and the labeling mechanism 4. Specifically, in this embodiment, the CCD detection mechanism 12 sequentially includes a defect detection assembly 121 and a size detection assembly 122 along the advancing direction of the pole piece, and the defect detection assembly and the size detection assembly are respectively used for detecting the defect and the size of the lithium battery pole piece. The defect detection assembly 121 and the size detection assembly 122 both comprise a CCD camera, and the CCD camera is connected with an external processing terminal.
Preferably, the feeding end of the cutting and slitting mechanism 5 is provided with a slitting and deviation rectifying mechanism 13 for rectifying deviation of the pole piece belt material entering the cutting and slitting mechanism. Specifically, referring to fig. 8, in the embodiment, the strip dividing and deviation rectifying mechanism 13 includes a deviation rectifying roller 131 and a deviation rectifying sensor 132, and the deviation rectifying sensor 132 is connected to a driving motor of the deviation rectifying roller 131 through a PLC controller. Before the pole piece material belt is unreeled and passes through the slitting and deviation rectifying mechanism 13, firstly, the position of the deviation rectifying sensor 132 and the pole piece material belt is set; in the unwinding process of the pole piece material belt, the deviation-correcting sensor 132 can sense the position of the pole piece material belt and transmit a sensing signal to the PLC; when the position of the pole piece material belt relative to the deviation rectifying sensor 132 changes, the PLC controller will send an instruction to control the deviation rectifying roller 131 to rotate to rectify the deviation, so as to ensure the position accuracy of the pole piece material belt, and to ensure the cutting and slitting position accuracy.
Preferably, the discharge end of the slitting and slitting mechanism 5 is provided with a roller dust removing mechanism 14 for removing dust when the slit small-size pole piece strip is wound by a roller. Referring to fig. 9 and 10, in the present embodiment, the roller dust removing mechanism 14 includes a dust suction box 140. A dust suction chamber 141 is arranged in the dust suction box body 140, and a dust suction port communicated with the dust suction chamber 141 is formed at the bottom of the dust suction box body 140. A negative pressure connector 143 is further connected to the outside of the dust collection box 140, and the negative pressure connector 143 communicates with the dust collection chamber 141. Moreover, an ion wind knife 142 is also arranged in the dust collection box body 140; the air outlet of the ion air knife 142 faces the bottom of the dust collection box 140.
In practical application, the roller-passing dust removal mechanism 14 is arranged above the roller surface of the pole piece material belt passing roller in a non-contact manner. When the pole piece material belt passes through the roller after being cut and separated and moves forward, the dust suction port of the dust suction chamber 141 and the air outlet of the ion air knife 142 are both aligned with the surface of the pole piece passing through the roller surface, the negative pressure joint 143 is externally connected with a negative pressure dust suction device, and the ion air knife 142 is externally connected with an ion air output device. When the vacuum cleaner works, the ion wind is input into the ion wind knife 142 by the ion wind output device, and the negative pressure dust suction device vacuumizes the dust suction chamber 141 by the negative pressure joint 143; the ion wind blows to the pole piece through the air outlet of the ion wind knife 142, so that the dust on the pole piece is destaticized and blown; then, the blown dust is sucked into the dust suction chamber 141 from the dust suction port through the dust suction chamber 141 by negative pressure, and is continuously sucked out by the negative pressure dust suction device; therefore, dust removal of unreeling is cut after pole piece tabs are finished, dust-free and pollution-free winding of the pole pieces is guaranteed, cutting quality of the pole pieces is provided, and quality of electric cores manufactured in downstream is guaranteed. Moreover, because the bottom of the dust collection box body 140 is an arc-shaped surface adaptive to the roller surface, the distances between the dust collection port 142 and the air outlet of the ion air knife 142 from the surface of the pole piece are equal, and an adaptive enclosure is formed for the pole piece supported by the roller surface, compared with the bottom of the dust collection box body 140 which is of a plane structure, the phenomenon that the ion air carries dust to escape from the front end side and the rear end side can not be caused, the secondary pollution caused by the escaped dust can be avoided, and the dust collection and removal efficiency can be improved.
Further preferably, the dust collection chamber 11 of the roll-over dust removal mechanism 14 includes two dust collection chambers distributed along the unwinding direction of the pole piece, and the two dust collection chambers are communicated with each other and the negative pressure joint 143; and along the pole piece unwinding advancing direction, the ion air knives 142 are distributed between the two dust suction chambers. And specifically optionally, the dust suction chamber 141 is a strip-shaped chamber arranged along a direction perpendicular to the unwinding advancing direction of the pole piece. Moreover, the dust suction port of the dust suction chamber 141 is a strip-shaped port which is arranged along the direction perpendicular to the unwinding advancing direction of the pole piece. In addition, the air outlet of the ion air knife 142 is parallel to the dust suction opening of the dust suction chamber 141. Since the ion wind is blown to the pole piece by the ion wind knife 142, the ion wind is blocked by the pole piece and spreads to both sides, and the blown dust will also drift along with the blocked ion wind. The dust-collecting chamber 141 includes two dust-collecting chambers, and is sequentially distributed on two sides of the ion air knife 142 along the advancing direction of unwinding the pole piece, that is, two dust-collecting ports are formed and respectively distributed on two sides of the air outlet of the ion air knife 142 along the advancing direction of unwinding the pole piece. So, at ion wind sword 142 during operation, the ion wind that blows out is blockked by the pole piece and carries the dust to both sides after scattering, will be followed the dust absorption mouth that distributes on both sides and adsorbed like in dust absorption cavity 141, and because the bottom of dust absorption box body 140 is the arcwall face that suits with cross the roll surface, will form the enclosed absorption to the dust of blowing up, thereby effectively avoid the dust to be blown up the back outer elegant and wandering, and improve the adsorption efficiency to the dust, reach the effective dust removal to the pole piece.
In addition, a magnet array 144 is arranged at the bottom of the dust collection box body 140 and on the side of the feeding end of the pole piece unwinding advancing direction, and magnets in the magnet array 144 are arrayed along the direction perpendicular to the pole piece unwinding advancing direction. Because in the pole piece cutting process, mechanical abrasion can produce few iron fillings or bits end dust, and it is difficult for being blown by ionic wind, and magnet can adsorb iron fillings or bits end dust that have magnetism to can effectively reach the purpose of removing dust and edulcoration completely, avoid the pollution of various pollutants, effectively improve the production quality of pole piece.
In another preferred embodiment, the feeding end of the winding mechanism 6 is provided with a tab mechanism 15. Referring to fig. 11, the tab mechanism 15 includes a tab motor 151, a tab sheet 152, and a tab guide 153; the trend of the tab guide rail 153 is along the rolling diameter; the tab piece 152 is arranged on the tab guide rail 153, and is driven by the tab motor 151 to slide on the tab guide rail 153 to approach or separate from the winding roller 601. Wherein, for leaning on the piece of feed end kickup, the in-process of small-size pole piece belting after the slitting is rolled up to wind-up roll 601, and the pole lug piece 152 can support all the time on the feed end of the book of rolling under the traction of pole lug motor 151, and can move outward gradually along with the diameter increase of rolling up, with the smooth rolling of guide pole piece material area, and can effectively avoid causing the damage to the utmost point ear on the pole piece.
The above embodiments are merely preferred embodiments of the present invention, and only lie in further detailed description of the technical solutions of the present invention, but the protection scope and the implementation manner of the present invention are not limited thereto, and any changes, combinations, deletions, replacements, or modifications that do not depart from the spirit and principles of the present invention will be included in the protection scope of the present invention.
Claims (10)
1. A lithium battery pole piece die-cutting and slitting integrated machine is characterized by comprising an unreeling mechanism (1), a marking and punching mechanism (2), a tab forming mechanism (3), a labeling mechanism (4), a cutting and slitting mechanism (5) and a reeling mechanism (6) which are sequentially arranged along the moving direction of a lithium battery pole piece;
the unwinding mechanism (1) comprises more than two independent unwinding rollers (101), and a belt connecting assembly (7) is arranged at the unwinding discharge end of the unwinding mechanism (1); the marking and punching mechanism (2) comprises a plurality of punching devices (201) which are divided into strips according to a pole piece die and are arranged along the moving direction vertical to the lithium battery pole piece; the tab forming mechanism (3) comprises a plurality of tab cutting assemblies (301) which are divided into strips according to a tab die and are arranged along the moving direction vertical to the lithium battery tab; the labeling mechanism (4) comprises a plurality of labeling components (401) which are arranged along the moving direction vertical to the lithium battery pole piece according to the number of pole piece die cutting strips; the cutting and slitting mechanism (5) comprises a cutting and slitting device; the winding mechanism (6) comprises more than two independent winding rollers (601) which are used for winding respectively the cutting slitting mechanism (5) cuts a plurality of pole piece strips after slitting.
2. The die-cutting and slitting integrated machine for the lithium battery pole pieces according to claim 1, wherein a first tension mechanism (8) is arranged at a discharge end of the tape splicing assembly (7), and a second tension mechanism (9) is arranged at a discharge end of the labeling mechanism (4); the first tension mechanism (8) comprises two tension swing rollers (802) driven by a tension cylinder (801); the second tension mechanism (9) comprises a fixed roller (901) and a floating roller (902) which can float up and down.
3. The die-cutting and slitting integrated machine for the lithium battery pole pieces as claimed in claim 1, wherein a traction assembly (10) is arranged at a discharge end of the tab forming mechanism (3).
4. The die-cutting and slitting integrated machine for the lithium battery pole pieces according to claim 3, wherein an auxiliary traction mechanism (11) is arranged at the feeding end of the marking and punching mechanism (2);
the auxiliary traction mechanism (11) comprises an auxiliary traction driving roller (111) and an auxiliary traction pressing roller (112); the auxiliary traction driving roller (111) is driven to rotate by an independent auxiliary traction servo motor (113); the auxiliary traction pressure roller (112) is arranged on the outer side of the auxiliary traction driving roller (111) in parallel and can be driven by an auxiliary traction air cylinder (114) to rotate and swing to press against the auxiliary traction driving roller (111).
5. The die-cutting and slitting integrated machine for the lithium battery pole pieces as claimed in claim 1, wherein the marking and punching mechanism (2) and the tab forming mechanism (3) are respectively provided with a deviation-rectifying sensor (202) and a deviation-rectifying motor (203); and the deviation rectifying sensor (202) is connected with the deviation rectifying motor (203) through a controller.
6. The lithium battery pole piece die-cutting and slitting integrated machine as claimed in claim 5, wherein the marking and punching mechanism (2) is further provided with a calibrated scale (204) for measuring indirect deviation between two adjacent punching devices (201).
7. The die-cutting and slitting integrated machine for the lithium battery pole pieces according to claim 1, wherein a CCD detection mechanism (12) is arranged between the tab forming mechanism (3) and the labeling mechanism (4); the CCD detection mechanism (12) comprises a defect detection assembly (121) and a size detection assembly (122) which are respectively used for detecting the defects and the sizes of the lithium battery pole pieces.
8. The die-cutting and slitting integrated machine for the lithium battery pole pieces as claimed in claim 1, wherein a slitting deviation-correcting mechanism (13) is arranged at a feed end of the cutting and slitting mechanism (5);
and/or a roller-passing dust removal mechanism (14) is arranged at the discharge end of the cutting and slitting mechanism (5).
9. The die-cutting and slitting integrated machine for the lithium battery pole pieces as claimed in claim 8, wherein the roller dust removing mechanism (14) comprises a dust suction box body (140); the bottom of the dust collection box body (140) is arc-shaped and is adaptive to the roller surface;
a dust suction chamber (141) and an ion air knife (142) are arranged in the dust suction box body (140); the dust suction port of the dust suction chamber (141) and the air outlet of the ion air knife (142) face the bottom of the dust suction box body (140);
and a magnet array (144) is arranged at the bottom of the dust collection box body (140) and on the side of the feeding end of the pole piece unwinding advancing direction.
10. The die-cutting and slitting integrated machine for the lithium battery pole pieces as claimed in claim 1, wherein a pole lug mechanism (15) is arranged at a feed end of the winding mechanism (6); the pole lug mechanism (15) comprises a pole lug motor (151), pole lug plates (152) and pole lug guide rails (153); the trend of the lug pressing guide rail (153) is along the rolling diameter; the pole ear piece (152) is arranged on the pole ear guide rail (153), and can slide on the pole ear guide rail (153) to be close to or far away from the winding roller (601) through the drive of the pole ear motor (151).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020399592.XU CN212287917U (en) | 2020-03-26 | 2020-03-26 | Lithium battery pole piece die cutting and slitting all-in-one machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020399592.XU CN212287917U (en) | 2020-03-26 | 2020-03-26 | Lithium battery pole piece die cutting and slitting all-in-one machine |
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| CN212287917U true CN212287917U (en) | 2021-01-05 |
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| CN113071946A (en) * | 2021-04-30 | 2021-07-06 | 马鞍山九重机械有限公司 | Horizontal lithium battery pole piece cutting machine |
| CN113560129A (en) * | 2021-06-09 | 2021-10-29 | 上海兰钧新能源科技有限公司 | Lithium battery substrate coating system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113071946A (en) * | 2021-04-30 | 2021-07-06 | 马鞍山九重机械有限公司 | Horizontal lithium battery pole piece cutting machine |
| CN113560129A (en) * | 2021-06-09 | 2021-10-29 | 上海兰钧新能源科技有限公司 | Lithium battery substrate coating system and method |
| CN114229565A (en) * | 2022-01-11 | 2022-03-25 | 无锡喝彩包装制品有限公司 | Slitting and punching equipment and method for double-glass edge sealing adhesive tape |
| EP4321836A1 (en) * | 2022-08-08 | 2024-02-14 | Contemporary Amperex Technology Co., Limited | Measurement device and electrode plate production system |
| CN116372355A (en) * | 2023-04-17 | 2023-07-04 | 深圳市星特科技有限公司 | High-speed laser cross cutting and slitting integrated machine |
| CN116652861A (en) * | 2023-07-31 | 2023-08-29 | 深圳和瑞智能装备有限公司 | Battery pole piece positioning device |
| CN117594805A (en) * | 2024-01-19 | 2024-02-23 | 山东华滋自动化技术股份有限公司 | Membrane electrode slitting equipment |
| CN117594805B (en) * | 2024-01-19 | 2024-04-02 | 山东华滋自动化技术股份有限公司 | Membrane electrode slitting equipment |
| CN117733374A (en) * | 2024-02-07 | 2024-03-22 | 蔚来电池科技(安徽)有限公司 | Pole piece cutting equipment and control method thereof |
| CN117733374B (en) * | 2024-02-07 | 2024-05-10 | 蔚来电池科技(安徽)有限公司 | Pole piece cutting equipment and control method thereof |
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