CN113394466B - Diaphragm non-deceleration film cutting and winding mechanism - Google Patents
Diaphragm non-deceleration film cutting and winding mechanism Download PDFInfo
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- CN113394466B CN113394466B CN202110649157.7A CN202110649157A CN113394466B CN 113394466 B CN113394466 B CN 113394466B CN 202110649157 A CN202110649157 A CN 202110649157A CN 113394466 B CN113394466 B CN 113394466B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
- H01M50/406—Moulding; Embossing; Cutting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The embodiment of the invention provides a diaphragm non-deceleration membrane cutting and winding mechanism, which relates to the technical field of battery manufacturing. Through set up the fixed knot that rolls up in advance on the needle, when the cutter switches the diaphragm, the diaphragm head can be fixed on the needle of rolling up to make the needle of rolling up can accomplish the pre-roll of diaphragm head and do, and then need not to carry out the centre gripping action to the diaphragm deceleration, reduced auxiliary time, promoted winding efficiency. Compared with the prior art, the invention can realize the pre-rolling of the needle-rolling diaphragm without the speed reduction of the diaphragm, ensure the clamping and fixing effects and improve the winding efficiency.
Description
Technical Field
The invention relates to the technical field of battery manufacturing, in particular to a diaphragm non-deceleration film cutting and winding mechanism.
Background
At present, in the production process of the power lithium battery, when the battery core is wound, and the cutter cuts off the diaphragm replacement station, the speed of the diaphragm is reduced to 0, and then the inner clamping needle clamps the head of the diaphragm to open the coil, so that the time for decelerating and accelerating the diaphragm is wasted, and the winding efficiency is reduced.
The inventor researches and discovers that the prior winding needle adopts a conventional internal clamping needle clamping structure, so that the head of a diaphragm cannot be directly clamped to open the winding during movement, and further the auxiliary time is increased during the switching of the winding needle.
Disclosure of Invention
The invention aims to provide a diaphragm non-deceleration film cutting and winding mechanism which can realize the continuous diaphragm switching of stations, ensure the clamping and fixing effects and improve the winding efficiency.
Embodiments of the invention may be implemented as follows:
the invention provides a diaphragm non-deceleration film cutting and winding mechanism, which comprises a winding needle, a film cutting roller and a driving assembly, wherein the winding needle and the film cutting roller are oppositely arranged, the film cutting roller is in transmission connection with the driving assembly and is used for being close to or far away from the winding needle under the driving of the driving assembly, a clamping channel for a diaphragm to pass through is formed between the film cutting roller and the winding needle, a cutter is arranged on the film cutting roller and is used for cutting the diaphragm, a diaphragm head and a diaphragm tail are formed, and a pre-winding fixing structure for fixing the diaphragm head is arranged on the winding needle so that the winding needle can complete pre-winding action on the diaphragm head.
In an optional embodiment, the pre-winding fixing structure includes a plurality of negative pressure adsorption holes, a negative pressure pipeline is arranged in the winding needle, a plurality of negative pressure adsorption holes are formed in the surface of the winding needle, and each negative pressure adsorption hole is used for adsorbing the diaphragm head.
In an optional embodiment, a negative pressure adsorption cavity is further arranged in the winding needle, a converging hole is formed in the inner side of the negative pressure adsorption cavity, the converging hole is simultaneously communicated with the negative pressure adsorption cavity and the negative pressure pipeline, the outer side of the negative pressure adsorption cavity is arranged at intervals with the outer surface of the winding needle, and each negative pressure adsorption hole is communicated with the negative pressure adsorption cavity.
In an alternative embodiment, the negative pressure adsorption cavity is in a sector shape along a section perpendicular to the rotating shaft direction of the winding needle, and the circle center of the sector shape coincides with the rotating shaft of the winding needle.
In an alternative embodiment, the pre-winding fixing structure comprises a yielding cutter groove and an elastic pressing block, the yielding cutter groove is formed in the surface of the winding needle and is matched with the cutter, the elastic pressing block is arranged in the yielding cutter groove and is elastically propped against the space between two opposite side walls of the yielding cutter groove, the cutter is further used for bringing the diaphragm head into the yielding cutter groove when extending into the yielding cutter groove and pressing the elastic pressing block, and the elastic pressing block is used for propping against the diaphragm head when the cutter is separated from the yielding cutter groove so as to fix the diaphragm head on the winding needle.
In an alternative embodiment, the elastic pressing block comprises a spring, wherein a mounting hole is formed in one side wall of the abdication knife groove, and the spring is assembled in the mounting hole and ejects towards the other side wall of the abdication knife groove.
In an optional embodiment, the pre-winding fixing structure includes a relief cutter groove, the relief cutter groove is formed in the surface of the winding needle and is matched with the cutter, the cutter is further used for bringing the diaphragm head into the relief cutter groove when extending into the relief cutter groove, and the film cutting roller is further used for pressing the diaphragm head when the cutter is separated from the relief cutter groove, so that the diaphragm head is fixed on the winding needle.
In an alternative embodiment, a heating rod is disposed in the film cutting roller, and the heating rod is connected with the cutter and is used for heating the cutter so that the cutter thermally cuts the diaphragm.
In an alternative embodiment, a telescopic driving piece is further arranged in the film cutting roller, and the telescopic driving piece is in transmission connection with the cutter and is used for driving the cutter to extend or retract the film cutting roller.
In an optional embodiment, the winding needle is further provided with two clamping needle abdicating grooves, and the two clamping needle abdicating grooves are oppositely arranged at the periphery of the winding needle and used for allowing the clamping needle to penetrate.
The beneficial effects of the embodiment of the invention include, for example:
the invention provides a diaphragm non-deceleration film cutting and winding mechanism, which is characterized in that a clamping channel for a diaphragm to pass through is formed between a film cutting roller and a winding needle, a cutter is arranged on the film cutting roller and used for cutting off the diaphragm and forming a diaphragm head and a diaphragm tail, and a pre-winding fixing structure for fixing the diaphragm head is arranged on the winding needle so that the winding needle can finish the pre-winding action of the diaphragm head. Through set up the fixed knot that rolls up in advance on the needle, when the cutter switches the diaphragm, the diaphragm head can be fixed on the needle of rolling up to make the needle of rolling up can accomplish the action of rolling up in advance to the diaphragm head, and then need not to stop the diaphragm and carry out the centre gripping action, reduced auxiliary time, promoted winding efficiency. Compared with the prior art, the diaphragm non-deceleration film cutting and winding mechanism provided by the invention can realize the pre-winding of the winding needle diaphragm under the condition that the diaphragm is not decelerated, ensure the clamping and fixing effects and improve the winding efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a separator non-deceleration slit winding mechanism according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the winding needle of FIG. 1;
FIG. 3 is a schematic diagram showing a connection structure between a separator non-deceleration slit winding mechanism and a winding disc according to a first embodiment of the present invention;
FIG. 4 is a schematic view showing an operation state of a separator non-deceleration film cutting and winding mechanism according to a first embodiment of the present invention;
FIG. 5 is a schematic view of a separator non-deceleration slit winding mechanism according to a second embodiment of the present invention;
FIG. 6 is a schematic view of the winding needle of FIG. 5;
fig. 7 is a schematic structural view of a winding needle according to a third embodiment of the present invention.
Icon: 100-a diaphragm non-deceleration film cutting and winding mechanism; 110-winding needle; 111-a needle clamping abdication groove; 130-a film cutting roller; 131-a cutter; 150-a drive assembly; 170-a pre-roll fixing structure; 171-negative pressure adsorption holes; 173-a negative pressure adsorption chamber; 175-sink holes; 177-abdication knife slot; 179-elastic press block; 200-a separator; 210-a septum head; 230-septum tail; 300-winding disc.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
As disclosed in the background art, in the existing winding needle mechanism, when a winding needle is switched to a station, a winding needle is used to clamp a head of a diaphragm, specifically, the diaphragm 200 needs to be slowed down to 0, then the winding needle is opened, the head of the diaphragm extends into the winding needle, the head of the diaphragm is clamped by the internal clamping needle, and then the winding needle is rotated again. By the clamping mode, the diaphragm is required to stop conveying, continuous winding cannot be realized, auxiliary time is increased, and winding efficiency is reduced.
In order to solve the above-mentioned problems, the present invention provides a separator non-deceleration film cutting and winding mechanism, and it should be noted that the features of the embodiments of the present invention may be combined with each other without collision.
First embodiment
Referring to fig. 1 to 4 in combination, the present embodiment provides a diaphragm non-deceleration film cutting and winding mechanism 100, which can realize that the diaphragm 200 is not stopped when switching stations, ensure the clamping effect and improve the winding efficiency.
The film non-slowing film cutting and winding mechanism 100 provided in this embodiment includes a winding needle 110, a film cutting roller 130 and a driving assembly 150, where the winding needle 110 and the film cutting roller 130 are relatively arranged, the film cutting roller 130 is in transmission connection with the driving assembly 150 and is used for being close to or far away from the winding needle 110 under the driving of the driving assembly 150, a clamping channel for passing through the film 200 is formed between the film cutting roller 130 and the winding needle 110, a cutter 131 is provided on the film cutting roller 130, the cutter 131 is used for cutting the film 200 and forming a film head 210 and a film tail 230, and a pre-winding fixing structure 170 for fixing the film head 210 is provided on the winding needle 110, so that the winding needle 110 completes the pre-winding action on the film head 210.
In this embodiment, the diaphragm non-deceleration film cutting winding mechanism 100 is suitable for a winding machine, wherein the winding machine includes a mounting plate on which a winding disc 300 is rotatably provided, and at least two winding pins 110 are provided on the winding disc 300. As for other specific structures of the winder, reference may be made to existing winders. Specifically, a winding station and a rubberizing blanking station are arranged on the winding disc 300, winding needles 110 are arranged on the winding station and the rubberizing blanking station, the winding needles 110 located at the winding station are arranged opposite to the film cutting roller 130, and when the stations are switched, the winding disc 300 rotates to drive the winding needles 110 to switch back and forth between the winding station and the rubberizing blanking station.
In this embodiment, the driving assembly 150 is also disposed on the mounting plate, and includes a driving arm, which is driven by a linear driving member such as an air cylinder or an electric push rod, and drives the film cutting roller 130 to approach or separate from the winding needle 110 on the winding station.
It should be noted that, in this embodiment, by setting the pre-winding fixing structure 170 on the winding needle 110, when the cutter 131 switches the diaphragm 200, the diaphragm head 210 can be fixed on the winding needle 110, so that the winding needle 110 can complete the pre-winding action of the diaphragm head 210, and further, the diaphragm 200 does not need to be stopped to perform the clamping action, thereby reducing the auxiliary time and improving the winding efficiency.
In this embodiment, the pre-rolling fixing structure 170 includes a plurality of negative pressure adsorption holes 171, a negative pressure pipe is disposed in the rolling needle 110, and a plurality of negative pressure adsorption holes 171 are disposed on the surface of the rolling needle 110, and each negative pressure adsorption hole 171 and the negative pressure pipe are used for adsorbing the diaphragm head 210. Specifically, the plurality of negative pressure adsorption holes 171 are formed on the outer circumferential surface of the winding needle 110, and the plurality of negative pressure adsorption holes 171 are connected with an internal negative pressure pipe, the negative pressure pipe is connected with a vacuum source, the vacuum source is generated by a vacuum generator, and is connected to the negative pressure pipe inside the winding needle 110 through air pipe, joint and other air path elements, and the diaphragm 200 is adsorbed on the winding needle 110 by utilizing negative pressure.
In this embodiment, a negative pressure adsorption cavity 173 is further provided in the winding needle 110, a converging hole 175 is provided on the inner side of the negative pressure adsorption cavity 173, the converging hole 175 is simultaneously communicated with the negative pressure adsorption cavity 173 and the negative pressure pipeline, the outer side of the negative pressure adsorption cavity 173 is spaced from the outer surface of the winding needle 110, and each negative pressure adsorption hole 171 is communicated with the negative pressure adsorption cavity 173. Specifically, the confluence hole 175 is disposed at one end of the negative pressure adsorption cavity 173, and the plurality of negative pressure adsorption holes 171 are disposed at the other end of the negative pressure adsorption cavity 173, that is, adsorption of air in the negative pressure adsorption cavity 173 is achieved through the confluence hole 175, and then the diaphragm head 210 is adsorbed through the plurality of negative pressure adsorption holes 171.
In this embodiment, the negative pressure adsorption cavity 173 is in a sector shape along a section perpendicular to the rotation axis of the winding needle 110, and the center of the sector coincides with the rotation axis of the winding needle 110. Specifically, the negative pressure adsorption cavity 173 is disposed at the outer edge of the winding needle 110, and is fan-shaped, so that the structure of the winding needle 110 is not greatly affected while the negative pressure cavity is ensured to be formed, and the structural strength of the winding needle 110 is prevented from being affected.
In the present embodiment, the negative pressure suction holes 171 are not limited to a certain region of the winding needle 110, and may be distributed in any region of the outer peripheral surface of the winding needle 110, or a plurality of negative pressure suction holes 171 may be uniformly distributed on the outer peripheral surface of the winding needle 110.
In this embodiment, a telescopic driving member (not shown) is further disposed in the film cutting roller 130, and the telescopic driving member is in transmission connection with the cutter 131, so as to drive the cutter 131 to extend or retract the film cutting roller 130. Specifically, the telescopic driving member may be a linear driving member such as an electric push rod, an air cylinder, etc., which is disposed inside the film cutting roller 130, and an opening for the cutter 131 to extend is provided on the film cutting roller 130, and under the electric driving of the telescopic driving member, the cutter 131 can extend or retract, thereby facilitating cutting.
In this embodiment, when the station is switched, the diaphragm 200 is always moving, the cutter 131 is in the film cutting roller 130, when the winding disc 300 is switched, the cutter 131 extends out and rotates along with the winding needle 110, then the diaphragm 200 is cut off, the cut diaphragm 200 forms a diaphragm tail 230 of the last cell and a diaphragm head 210 of the next cell, the diaphragm head 210 is adsorbed on the winding needle 110 by the plurality of negative pressure adsorption holes 171, and the next cell winding is opened along with the rotation of the winding needle 110.
In this embodiment, a heating rod (not shown) is further disposed in the film cutting roller 130, and the heating rod is connected to the cutter 131 for heating the cutter 131 so that the cutter 131 thermally cuts the diaphragm 200. Preferably, the present embodiment cuts the diaphragm 200 by means of hot cutting, heats the cutter 131 by means of the heating rod, so that the cutter 131 does not generate dust when cutting the diaphragm 200, and since the cutter 131 is in a high temperature state, the diaphragm 200 is hot melted and cut simultaneously when cutting the diaphragm 200, the cutter 131 does not need a great pressure, and the cutter 131 is convenient to cut the diaphragm 200 rapidly.
Of course, in other preferred embodiments, the cutter 131 may cut the diaphragm 200 using a hot wire, a cutting edge, a die cut, or the like. The cutting knife 131 patterns on the surface of the film cutting roller 130 are meshed with the grooves on the winding needle 110 to cut off the diaphragm 200 when the cutting knife 130 and the winding needle 110 perform circular motion matching the linear speed of the diaphragm 200 when reaching the preset length of the diaphragm 200.
In this embodiment, the winding needle 110 is further provided with a groove, which is adapted to the cutter 131, and the cutter 131 is engaged with the groove when actually cutting the diaphragm 200, thereby cutting the diaphragm 200 therebetween.
It should be noted that, when the cutter adopts the rolling die cutting mode, the rolling needle 110 may not be provided with a groove, and the diaphragm is cut off by adopting the mode of increasing the hardness of the circle center surface of the rolling needle 110, and the rolling needle is not damaged.
In this embodiment, two needle-clamping abdicating grooves 111 are further formed on the winding needle 110, and the two needle-clamping abdicating grooves 111 are oppositely disposed at the periphery of the winding needle 110 for the penetration of the needle-clamping. Specifically, after winding is completed, the lower battery cell mechanism is inserted into the two clamping needle abdicating grooves 111, and two sides of the winding needle 110 move towards the center so that the battery cells are discharged after the battery cells are loosened. The specific blanking mode can refer to the prior art.
The working principle of the separator non-deceleration film cutting and winding mechanism 100 provided in this embodiment is as follows:
the winding disc 300 rotates to realize a switching station, the winding needle 110 moves to the winding station, the driving assembly 150 drives the film cutting roller 130 to approach the winding needle 110, the diaphragm 200 is conveyed at a constant speed, the winding needle 110 and the film cutting roller 130 are started, a vacuum generator is opened, the rotating speeds of the winding needle 110 and the film cutting roller 130 are controlled to be matched with the speed of the diaphragm 200, when the three reach relative rest, the film cutting roller 130 extends out of the cutter 131, the cutter 131 is meshed with a stepping groove on the winding needle 110, so that the diaphragm 200 is cut off, a diaphragm head 210 and a diaphragm tail 230 are formed, the diaphragm tail 230 continues to wind along with the last battery core, the diaphragm head 210 is fixed on the surface of the winding needle 110 under the adsorption action of the plurality of negative pressure adsorption holes 171, the diaphragm head 210 is continuously rotated along with the winding needle 110, the pre-winding of the diaphragm head 210 is completed, the next battery core winding is started, and the diaphragm 200 is conveyed at a constant speed.
In summary, according to the film cutting and winding mechanism 100 without speed reduction for the diaphragm provided in this embodiment, by arranging the pre-winding fixing structure 170 on the winding needle 110, specifically, the suction fixing of the diaphragm head 210 is realized through the plurality of negative pressure suction holes 171, and when the cutter 131 switches the diaphragm 200, the diaphragm head 210 can be fixed on the winding needle 110 without slipping, so that the winding needle 110 can complete the pre-winding action for the diaphragm head 210, and further, the clamping action for the diaphragm 200 is not required to be stopped, the auxiliary time is reduced, and the winding efficiency is improved.
Second embodiment
Referring to fig. 5 and 6, this embodiment provides a separator non-deceleration film cutting and winding mechanism 100, which has the same basic structure and principle and technical effects as those of the first embodiment, and for brevity, reference is made to the corresponding matters in the first embodiment where the description of this embodiment is not mentioned. The present embodiment is different from the first embodiment in the pre-roll fixing structure 170.
In this embodiment, the pre-rolling fixing structure 170 includes a relief slot 177 and an elastic pressing block 179, the relief slot 177 is formed on the surface of the rolling needle 110 and is adapted to the cutter 131, the elastic pressing block 179 is disposed in the relief slot 177 and elastically abuts against between two opposite sidewalls of the relief slot 177, the cutter 131 is further configured to bring the diaphragm head 210 into the relief slot 177 when extending into the relief slot 177, and press the elastic pressing block 179, and the elastic pressing block 179 is configured to abut against the diaphragm head 210 when the cutter 131 is out of the relief slot 177, so as to fix the diaphragm head 210 on the rolling needle 110.
In this embodiment, the elastic pressing block 179 includes a spring, one side wall of the relief slot 177 is provided with a mounting hole, and the spring is assembled in the mounting hole and ejects toward the other side wall of the relief slot 177. Specifically, a mounting hole is formed on a side wall of the relief cutter slot 177, a spring is installed in the mounting hole, in a natural state, the spring ejects the mounting hole and is propped against the other side wall of the relief cutter slot 177, along with the extension of the cutter 131, the spring is extruded and retracts into the mounting hole, the diaphragm 200 is partially extended into the relief cutter slot 177 under the driving of the cutter 131, after the cutter 131 cuts off the diaphragm 200, the formed diaphragm head 210 is left in the relief cutter slot 177, the cutter 131 extracts the relief cutter slot 177 in an extremely short time, at this time, the spring ejects the mounting hole again, and the diaphragm head 210 is pressed in the relief cutter slot 177, so that the fixation of the diaphragm head 210 is realized.
Here, the elastic pressing block 179 may be another elastic pressing block 179 such as an elastic resin column or a spring piece, and is not particularly limited herein.
The diaphragm non-deceleration film cutting winding mechanism 100 provided in this embodiment realizes the fixation of the diaphragm head 210 by arranging the elastic pressing block 179, has a simple structure, avoids the additional arrangement of a complex negative pressure air extraction mechanism, and also ensures the fixation effect.
Third embodiment
Referring to fig. 7, this embodiment provides a separator non-deceleration film cutting and winding mechanism 100, which has the same basic structure and principle and technical effects as those of the first embodiment, and for brevity, reference is made to the corresponding matters in the first embodiment where the description of this embodiment is omitted. The present embodiment is different from the first embodiment in the pre-roll fixing structure 170.
In this embodiment, the pre-winding fixing structure 170 includes a relief slot 177, the relief slot 177 is formed on the surface of the winding needle 110 and is adapted to the cutter 131, the cutter 131 is further configured to bring the diaphragm head 210 into the relief slot 177 when the cutter 131 is inserted into the relief slot 177, and the film cutting roller 130 is further configured to press-fit onto the diaphragm head 210 when the cutter 131 is separated from the relief slot 177, so as to fix the diaphragm head 210 on the winding needle 110.
In this embodiment, the cutter 131 stretches into the abdicating knife slot 177 to cut off the diaphragm 200, and at this time, the film cutting roller 130 continues to press on the diaphragm 200, that is, presses on the diaphragm head 210, so that the diaphragm head 210 can be fixed on the winding needle 110 in combination with the abdicating knife slot 177, and after one rotation, the film cutting roller 130 is separated from the winding needle 110 again.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The film cutting and winding mechanism is characterized by comprising a winding needle, a film cutting roller and a driving assembly, wherein the winding needle and the film cutting roller are oppositely arranged, the film cutting roller is in transmission connection with the driving assembly and is used for being close to or far away from the winding needle under the driving of the driving assembly, a clamping channel for a diaphragm to pass through is formed between the film cutting roller and the winding needle, a cutter is arranged on the film cutting roller and is used for cutting the diaphragm and forming a diaphragm head and a diaphragm tail, and a pre-winding fixing structure for fixing the diaphragm head is arranged on the winding needle so that the winding needle can finish the pre-winding action of the diaphragm head;
the pre-rolling fixing structure comprises an abdicating cutter groove, the abdicating cutter groove is formed in the surface of the winding needle and is matched with the cutter, the cutter is further used for bringing the diaphragm head into the abdicating cutter groove when extending into the abdicating cutter groove, and the film cutting roller is further used for pressing the diaphragm head when the cutter is separated from the abdicating cutter groove so as to fix the diaphragm head on the winding needle.
2. The diaphragm non-deceleration membrane cutting and winding mechanism according to claim 1, wherein the pre-winding fixing structure comprises a plurality of negative pressure adsorption holes, a negative pressure pipeline is arranged in the winding needle, a plurality of negative pressure adsorption holes are formed in the surface of the winding needle, and each negative pressure adsorption hole is used for adsorbing the diaphragm head with the corresponding negative pressure pipeline.
3. The diaphragm non-deceleration membrane cutting and winding mechanism according to claim 2, wherein a negative pressure adsorption cavity is further arranged in the winding needle, a converging hole is formed in the inner side of the negative pressure adsorption cavity and is simultaneously communicated with the negative pressure adsorption cavity and the negative pressure pipeline, the outer side of the negative pressure adsorption cavity is arranged at intervals with the outer surface of the winding needle, and each negative pressure adsorption hole is communicated with the negative pressure adsorption cavity.
4. A diaphragm non-deceleration film cutting and winding mechanism according to claim 3, wherein the negative pressure adsorption cavity is in a sector shape along a section perpendicular to the rotating shaft direction of the winding needle, and the circle center of the sector shape is coincident with the rotating shaft of the winding needle.
5. The diaphragm non-deceleration film cutting and winding mechanism according to claim 1, wherein the pre-winding fixing structure comprises a yielding cutter groove and an elastic pressing block, the yielding cutter groove is formed in the surface of the winding needle and is matched with the cutter, the elastic pressing block is arranged in the yielding cutter groove and elastically abuts against two opposite side walls of the yielding cutter groove, the cutter is further used for bringing the diaphragm head into the yielding cutter groove when extending into the yielding cutter groove and pressing the elastic pressing block, and the elastic pressing block is used for abutting against the diaphragm head when the cutter is out of the yielding cutter groove so as to fix the diaphragm head on the winding needle.
6. The diaphragm non-deceleration film cutting and winding mechanism according to claim 5, wherein the elastic pressing block comprises a spring, wherein one side wall of the yielding cutter groove is provided with a mounting hole, and the spring is assembled in the mounting hole and ejects towards the other side wall of the yielding cutter groove.
7. The separator non-deceleration film cutting and winding mechanism according to any one of claims 1-6, wherein a heating rod is provided in the film cutting roll, and the heating rod is connected to the cutter for heating the cutter to cause the cutter to thermally cut the separator.
8. The separator non-deceleration film cutting and winding mechanism according to any one of claims 1-6, wherein a telescopic driving member is further arranged in the film cutting roller, and the telescopic driving member is in transmission connection with the cutter and is used for driving the cutter to extend or retract the film cutting roller.
9. The separator non-deceleration film cutting and winding mechanism according to any one of claims 1-6, wherein two clamping needle abdicating grooves are further formed on the winding needle, and the two clamping needle abdicating grooves are oppositely arranged on the periphery of the winding needle and are used for allowing the clamping needle to penetrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110649157.7A CN113394466B (en) | 2021-06-10 | 2021-06-10 | Diaphragm non-deceleration film cutting and winding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN114464899A (en) * | 2021-10-18 | 2022-05-10 | 江苏中关村嘉拓新能源设备有限公司 | Air suction type winding needle, winding mechanism and winding method |
| CN114284571A (en) * | 2021-12-30 | 2022-04-05 | 深圳吉阳智能科技有限公司 | Winding device and winding method |
| CN114388897A (en) * | 2022-01-14 | 2022-04-22 | 深圳吉阳智能科技有限公司 | Diameter-variable adsorption winding needle mechanism and winding machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206976504U (en) * | 2017-06-16 | 2018-02-06 | 无锡先导智能装备股份有限公司 | Roll up pin and up- coiler |
| CN212558763U (en) * | 2020-06-30 | 2021-02-19 | 无锡宏野联纵机械设备科技有限公司 | Structure is cut to diaphragm |
| CN213026231U (en) * | 2020-08-26 | 2021-04-20 | 深圳吉阳智能科技有限公司 | Roll up needle mechanism and lithium electricity coiling equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5556052A (en) * | 1993-07-23 | 1996-09-17 | Knaus; Dennis A. | Method and apparatus for winding |
| CN101350426B (en) * | 2007-07-16 | 2010-12-15 | 深圳市吉阳自动化科技有限公司 | Machine for winding core of lithium ion battery |
| CN203277573U (en) * | 2013-04-27 | 2013-11-06 | 深圳市格林晟科技有限公司 | Auxiliary device for acceleration of tail coiling mechanism of lamination stacking machine |
| CN109830738A (en) * | 2019-03-29 | 2019-05-31 | 无锡先导智能装备股份有限公司 | Cell winding device |
| CN212161995U (en) * | 2020-06-02 | 2020-12-15 | 宁德时代新能源科技股份有限公司 | Apparatus for preparing electrode assembly |
-
2021
- 2021-06-10 CN CN202110649157.7A patent/CN113394466B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206976504U (en) * | 2017-06-16 | 2018-02-06 | 无锡先导智能装备股份有限公司 | Roll up pin and up- coiler |
| CN212558763U (en) * | 2020-06-30 | 2021-02-19 | 无锡宏野联纵机械设备科技有限公司 | Structure is cut to diaphragm |
| CN213026231U (en) * | 2020-08-26 | 2021-04-20 | 深圳吉阳智能科技有限公司 | Roll up needle mechanism and lithium electricity coiling equipment |
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