CN113394466A - Diaphragm non-deceleration film cutting and winding mechanism - Google Patents
Diaphragm non-deceleration film cutting and winding mechanism Download PDFInfo
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- CN113394466A CN113394466A CN202110649157.7A CN202110649157A CN113394466A CN 113394466 A CN113394466 A CN 113394466A CN 202110649157 A CN202110649157 A CN 202110649157A CN 113394466 A CN113394466 A CN 113394466A
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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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- 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 film cutting and winding mechanism, which relates to the technical field of battery manufacturing and 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, 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 used for cutting off the diaphragm to form a diaphragm head and a diaphragm tail, and a pre-winding fixing structure for fixing the diaphragm head is arranged on the winding needle. Through set up the fixed knot that rolls up in advance on rolling up the needle, when the cutter switches the diaphragm, the diaphragm first can be fixed on rolling up the needle to make and roll up the needle and can accomplish the first action of rolling up in advance of diaphragm, and then need not to carry out the centre gripping action to the diaphragm deceleration, reduced the assistance-time, promoted winding efficiency. Compared with the prior art, the pre-rolling device can realize pre-rolling of the rolling needle diaphragm under the condition that the speed of the diaphragm is not reduced, ensures the clamping and fixing effect and improves the rolling 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 a power lithium battery, when a battery core is wound, and a cutter cuts off a diaphragm to replace a station, the speed of the diaphragm is reduced to 0, then an inner clamping needle clamps the head of the diaphragm to start the coil, so that the speed reduction and acceleration time of the diaphragm is wasted, and the winding efficiency is reduced.
The inventor researches and discovers that the conventional winding needle cannot be directly clamped by the diaphragm head to open the winding during movement due to the adoption of a conventional internal needle clamping structure, and further the auxiliary time is increased when the winding needle is switched to work positions.
Disclosure of Invention
The invention aims to provide a diaphragm non-deceleration film cutting and winding mechanism which can realize that a diaphragm does not stop when stations are switched, ensure the clamping and fixing effect and improve the winding efficiency.
Embodiments of the invention may be implemented as follows:
in a first aspect, 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 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 completes pre-winding action on the diaphragm head.
In an optional embodiment, the pre-rolling fixing structure includes a plurality of negative pressure adsorption holes, a negative pressure pipeline is disposed in the rolling needle, the negative pressure adsorption holes are disposed on the surface of the rolling needle, and each negative pressure adsorption hole and the negative pressure pipeline are used for adsorbing the diaphragm head.
In an optional implementation mode, a negative pressure adsorption cavity is further arranged in the winding needle, a confluence hole is formed in the inner side of the negative pressure adsorption cavity, the confluence hole is communicated with the negative pressure adsorption cavity and the negative pressure pipeline at the same time, the outer side of the negative pressure adsorption cavity and the outer surface of the winding needle are arranged at intervals, and each negative pressure adsorption hole is communicated with the negative pressure adsorption cavity.
In an alternative embodiment, the cross section of the negative pressure adsorption cavity in the direction perpendicular to the rotating shaft of the winding needle is in a sector shape, and the center of the sector coincides with the rotating shaft of the winding needle.
In optional embodiment, it includes abdicating sword groove and elastic pressing block to roll up fixed knot structure in advance, abdicating sword groove is seted up the surface of book needle, and with cutter looks adaptation, elastic pressing block sets up in abdicating sword inslot to elasticity is supported and is held between two lateral walls that abdicating sword groove is relative, the cutter still is used for stretching into will the diaphragm is first brought into in abdicating sword groove to the extrusion elastic pressing block, elastic pressing block is used for the cutter is deviate from support and is held in abdicating sword groove the diaphragm is first, with will the diaphragm is first fixed on rolling up the needle.
In an alternative embodiment, the elastic pressing block comprises a spring, a mounting hole is formed in one side wall of the abdicating knife groove, and the spring is assembled in the mounting hole and is ejected towards the other side wall of the abdicating knife groove.
In an optional embodiment, the pre-rolling fixing structure comprises an abdicating knife groove, the abdicating knife groove is formed in the surface of the rolling needle and matched with the cutter, the cutter is further used for leading the membrane into the abdicating knife groove when extending into the abdicating knife groove, and the membrane cutting roller is further used for leading the membrane to be pressed on the membrane when the cutter is separated from the abdicating knife groove so as to fix the membrane on the rolling needle.
In an optional embodiment, a heating rod is arranged in the film cutting roller, and the heating rod is connected with the cutting knife and used for heating the cutting knife so that the cutting knife thermally cuts the diaphragm.
In an optional implementation mode, a telescopic driving piece is further arranged in the film cutting roller and is in transmission connection with the cutter, and the telescopic driving piece is used for driving the cutter to extend out or retract back to the film cutting roller.
In an optional implementation mode, the winding needle is further provided with two needle clamping yielding grooves, and the two needle clamping yielding grooves are oppositely arranged on 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 the diaphragm to form 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 completes pre-winding action on the diaphragm head. Through set up the fixed knot that rolls up in advance on rolling up the needle, when the cutter switches the diaphragm, the diaphragm first can be fixed on rolling up the needle to make and roll up the needle and can accomplish the first action of rolling up in advance of diaphragm, and then need not to stop the diaphragm and carry out the centre gripping action, reduced the assistance-time, promoted winding efficiency. Compared with the prior art, the non-deceleration diaphragm cutting and winding mechanism provided by the invention can realize pre-winding of the winding needle diaphragm under the condition that the diaphragm is not decelerated, ensures the clamping and fixing effect and improves the winding efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a non-deceleration membrane cutting and winding mechanism of a membrane according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the needle of FIG. 1;
FIG. 3 is a schematic view of a connection structure between a non-deceleration film cutting and winding mechanism and a winding plate of a separator according to a first embodiment of the present invention;
FIG. 4 is a schematic view of the diaphragm non-deceleration film cutting and winding mechanism according to the first embodiment of the present invention;
FIG. 5 is a schematic view of a non-decelerating membrane cutting and winding mechanism for a membrane according to a second embodiment of the invention;
FIG. 6 is a schematic view of the needle of FIG. 5;
fig. 7 is a schematic structural view of a winding needle in 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-film cutting roller; 131-a cutter; 150-a drive assembly; 170-pre-rolling fixed structure; 171-negative pressure adsorption holes; 173-negative pressure adsorption cavity; 175-a sink orifice; 177-abdication cutter grooves; 179-elastic pressing block; 200-a membrane; 210-diaphragm head; 230-membrane tail; 300-winding plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of 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 present invention, 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
As disclosed in the background art, the conventional needle winding mechanism is mainly configured to clamp the head of the septum by the inner needle clamp of the winding needle to start winding when the winding needle is switched to the station, specifically, the septum 200 needs to be decelerated to 0, then the winding needle is opened, the head of the septum is inserted into the winding needle to be clamped by the inner needle clamp, and then the winding needle is rotated again. This clamping would require the diaphragm to be stopped from being transported, and would not allow for continuous winding, increasing the assist time and reducing the winding efficiency.
In order to solve the above problems, the present invention provides a non-deceleration film cutting and winding mechanism for a separator, and it should be noted that features in the embodiments of the present invention may be combined with each other without conflict.
First embodiment
With combined reference to fig. 1 to 4, the present embodiment provides a membrane non-deceleration membrane cutting and winding mechanism 100, which can realize that a membrane 200 is not stopped when a station is switched, ensure a clamping effect, and improve winding efficiency.
The winding mechanism 100 is cut to diaphragm non-deceleration film that this embodiment provided, including book needle 110, film cutting roller 130 and drive assembly 150, book needle 110 and film cutting roller 130 set up relatively, film cutting roller 130 is connected with drive assembly 150 transmission, be used for being close to or keeping away from book needle 110 under drive assembly 150's drive, be used for forming the centre gripping passageway that supplies diaphragm 200 to pass between film cutting roller 130 and the book needle 110, be provided with cutter 131 on film cutting roller 130, cutter 131 is used for cutting off diaphragm 200, and form diaphragm head 210 and diaphragm tail 230, be provided with prewind fixed knot structure 170 who is used for fixed diaphragm head 210 on book needle 110, so that book needle 110 accomplishes the prewind action to diaphragm head 210.
In the present embodiment, the winding mechanism 100 is suitable for a winding machine, wherein the winding machine includes a mounting plate, a winding plate 300 is rotatably disposed on the mounting plate, and at least two winding pins 110 are disposed on the winding plate 300. As for other specific structures of the winder, reference may be made to an existing winder. Specifically, a winding station and a rubberizing discharging station are arranged on the winding disc 300, a winding needle 110 is arranged on each of the winding station and the rubberizing discharging station, wherein the winding needle 110 located on the winding station is arranged opposite to the film cutting roller 130, and when the stations are switched, the winding disc 300 rotates to drive the winding needle 110 to switch back and forth between the winding station and the rubberizing discharging station.
In this embodiment, a 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 move away from the winding needle 110 at the winding station.
It should be noted that in the present embodiment, the pre-rolling fixing structure 170 is disposed on the winding needle 110, and when the cutting knife 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-rolling operation on the diaphragm head 210, and further the clamping operation of the diaphragm 200 does not need to be stopped, which reduces the auxiliary time and improves the winding efficiency.
In this embodiment, the pre-rolling fixing structure 170 includes a plurality of negative pressure adsorption holes 171, a negative pressure pipeline is disposed in the rolling needle 110, the 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 pipeline are used for adsorbing the membrane head 210. Specifically, a plurality of negative pressure suction holes 171 are opened on the outer circumferential surface of the winding needle 110, and the plurality of negative pressure suction holes 171 are connected to an internal negative pressure pipe connected to a vacuum source, which is generated by a vacuum generator and connected to the negative pressure pipe inside the winding needle 110 through an air passage element such as an air pipe or a joint, and the diaphragm 200 is sucked to the winding needle 110 by negative pressure.
In this embodiment, a negative pressure adsorption cavity 173 is further disposed in the winding needle 110, a confluence hole 175 is disposed inside the negative pressure adsorption cavity 173, the confluence 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 chamber 173, and the plurality of negative pressure adsorption holes 171 are disposed at the other end of the negative pressure adsorption chamber 173, i.e., the adsorption of air in the negative pressure adsorption chamber 173 is performed through the confluence hole 175, and then the diaphragm head 210 is adsorbed through the plurality of negative pressure adsorption holes 171.
In the present embodiment, the negative pressure suction chamber 173 has a sector shape in a cross section perpendicular to the rotational axis of the winding needle 110, and the center of the sector shape coincides with the rotational 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 negative pressure chamber is ensured to be formed, the structure of the winding needle 110 is not greatly affected, and the structural strength of the winding needle 110 is not 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 are 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 cutting knife 131 so as to drive the cutting knife 131 to extend out of or retract into the film cutting roller 130. Specifically, flexible driving piece can be linear driving pieces such as electric putter, cylinder, and it sets up inside roller 130 is cut to the membrane, is provided with the opening that supplies cutter 131 to stretch out on roller 130 is cut to the membrane, and under flexible driving piece's electronic, cutter 131 can stretch out or retract to conveniently cut off.
In this embodiment, when the station is switched, the diaphragm 200 is always kept in motion, the cutter 131 is in the film cutting roller 130, when the winding disc 300 switches the station, 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 the diaphragm tail 230 of the previous cell and the diaphragm head 210 of the next cell, and the diaphragm head 210 is adsorbed on the winding needle 110 by the negative pressure adsorption holes 171 and rotates along with the winding needle 110 to open the next cell winding.
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 cutting knife 131 for heating the cutting knife 131, so that the cutting knife 131 thermally cuts the separator 200. Preferably, the present embodiment cuts the diaphragm 200 by hot cutting, heats the cutting knife 131 by a heating rod, so that the cutting knife 131 does not generate dust when cutting the diaphragm 200, and since the cutting knife 131 is in a high temperature state, the heat melting and cutting of the diaphragm 200 are performed simultaneously when cutting the diaphragm 200, the cutting knife 131 does not need a great pressure, and the cutting knife 131 can cut the diaphragm 200 quickly.
Of course, in other preferred embodiments, the cutting blade 131 may cut the membrane 200 by hot wire, cutting blade, die cutting, etc. Wherein, the pattern of the cutting knife 131 on the surface of the film cutting roller 130 is processed during the die cutting, the film cutting roller 130 and the winding needle 110 are matched with the linear speed of the diaphragm 200 to carry out circular motion, and the pattern of the cutting knife 131 on the surface of the film cutting roller 130 is meshed with the groove on the winding needle 110 to cut the diaphragm 200 when the preset length of the diaphragm 200 is reached.
In this embodiment, the winding needle 110 is further provided with a groove, the groove is matched with the cutting knife 131, and when the septum 200 is actually cut, the cutting knife 131 is engaged with the groove, so that the septum 200 between the two is cut.
It should be noted that, when the cutter adopts a rolling die cutting mode, the winding needle 110 may not be provided with a groove, and the diaphragm is cut off by increasing the hardness of the surface of the center of the winding needle 110 without damaging the winding needle.
In this embodiment, the winding pin 110 is further provided with two pin clipping relief grooves 111, and the two pin clipping relief grooves 111 are oppositely disposed on the periphery of the winding pin 110 for the pin clipping to penetrate. Specifically, after winding is completed, the cell discharging mechanism is inserted into the two needle clamping abdicating grooves 111, and the two sides of the winding needle 110 move towards the center so that the cell is discharged after the cell is relaxed. The specific blanking mode can refer to the prior art.
The non-deceleration membrane cutting and winding mechanism 100 for the membrane provided by the embodiment has the following working principle:
the winding disc 300 rotates to realize station switching, the winding needle 110 moves to the winding station, at this time, the driving assembly 150 is utilized to drive the film cutting roller 130 to be close to 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, the vacuum generator is started, 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 parts are relatively static, the film cutting roller 130 extends out of the cutter 131, the cutter 131 is meshed with the abdicating 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, wherein the diaphragm tail 230 continues to be wound along with the last electric core, the diaphragm head 210 is fixed on the surface of the winding needle 110 under the adsorption effect of the plurality of negative pressure adsorption holes 171, pre-winding of the diaphragm head 210 is completed along with continuous rotation of the winding needle 110, next electric core winding is started, and at this time, the diaphragm 200 keeps conveying at a constant speed.
In summary, in the membrane non-deceleration film cutting and winding mechanism 100 provided in this embodiment, the pre-rolling fixing structure 170 is disposed on the winding needle 110, and specifically, the membrane head 210 is adsorbed and fixed through the negative pressure adsorption holes 171, when the cutter 131 switches the membrane 200, the membrane head 210 can be fixed on the winding needle 110 without slipping, so that the winding needle 110 can complete the pre-rolling action on the membrane head 210, and further, the membrane 200 does not need to be stopped for clamping, the auxiliary time is reduced, and the winding efficiency is improved.
Second embodiment
Referring to fig. 5 and 6, the present embodiment provides a non-deceleration membrane cutting and winding mechanism 100, the basic structure and principle and the technical effect thereof are the same as those of the first embodiment, and for the sake of brief description, the corresponding contents of the first embodiment can be referred to where the embodiment is not mentioned in part. 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 an abdicating knife slot 177 and an elastic pressing block 179, the abdicating knife slot 177 is disposed on the surface of the rolling needle 110 and is matched with the cutting knife 131, the elastic pressing block 179 is disposed in the abdicating knife slot 177 and elastically abuts against between two opposite side walls of the abdicating knife slot 177, the cutting knife 131 is further configured to bring the membrane head 210 into the abdicating knife slot 177 when extending into the abdicating knife slot 177 and press the elastic pressing block 179, the elastic pressing block 179 is configured to abut against the membrane head 210 when the cutting knife 131 is out of the abdicating knife slot 177, so as to fix the membrane head 210 on the rolling needle 110.
In this embodiment, the elastic pressing block 179 includes a spring, and a mounting hole is opened on one side wall of the abdicating knife groove 177, and the spring is fitted in the mounting hole and is ejected toward the other side wall of the abdicating knife groove 177. Specifically, offer the mounting hole on the lateral wall in the sword groove 177 of stepping down, pack the spring into this mounting hole, under natural state, the spring pops out the mounting hole and supports and hold on another lateral wall in the sword groove 177 of stepping down, along with stretching into of cutter 131, the spring receives the extrusion, and retract the mounting hole, diaphragm 200 stretches into the sword groove 177 of stepping down in the drive part of cutter 131, after cutter 131 cuts off diaphragm 200, the first 210 of diaphragm that forms is stayed in the sword groove 177 of stepping down, cutter 131 takes out the sword groove 177 of stepping down in the very short time, the spring pops out the mounting hole again this moment, and with the first 210 pressfitting of diaphragm in the sword groove 177 of stepping down, realize that diaphragm first 210 is fixed.
Here, the elastic pressing piece 179 may be another elastic pressing piece 179 such as an elastic resin column or an elastic piece, and is not particularly limited.
The winding mechanism 100 is cut to diaphragm not deceleration membrane that this embodiment provided realizes the fixed of first 210 to the diaphragm through setting up elastic pressing block 179, and simple structure has avoided additionally setting up complicated negative pressure air exhaust mechanism, has also guaranteed fixed effect simultaneously.
Third embodiment
Referring to fig. 7, the present embodiment provides a non-deceleration membrane cutting and winding mechanism 100, the basic structure and principle and the technical effects thereof are the same as those of the first embodiment, and for the sake of brief description, the corresponding contents of the first embodiment can be referred to where the 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 knife slot 177, the relief knife slot 177 is disposed on the surface of the rolling needle 110 and is adapted to the cutting knife 131, the cutting knife 131 is further configured to bring the membrane head 210 into the relief knife slot 177 when the cutting knife 131 extends into the relief knife slot 177, and the membrane cutting roller 130 is further configured to be pressed on the membrane head 210 when the cutting knife 131 is out of the relief knife slot 177, so as to fix the membrane head 210 on the rolling needle 110.
In this embodiment, the cutting knife 131 extends into the abdicating knife slot 177 to cut the membrane 200, and at this time, the membrane cutting roller 130 continues to press on the membrane 200, that is, on the membrane head 210, so that the membrane head 210 can be fixed on the winding needle 110 by combining with the abdicating knife slot 177, and after one rotation is completed, the membrane cutting roller 130 is separated from the winding needle 110.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a winding mechanism is cut to diaphragm not slowdown membrane which characterized in that, includes that roll up needle, membrane cut roller and drive assembly, roll up the needle with the membrane is cut the roller and is set up relatively, the membrane cut the roller with the drive assembly transmission is connected, is used for drive assembly's drive is down close to or is kept away from roll needle, the membrane cut the roller with it supplies the centre gripping passageway that the diaphragm passed to be used for forming between the roll needle, be provided with the cutter on the membrane cut roller, the cutter is used for cutting off the diaphragm to form diaphragm head and diaphragm tail, it is used for fixing to be provided with on the roll needle the first prewinding fixed knot of diaphragm constructs, so that it is right to accomplish to roll the needle the first prewinding action of diaphragm.
2. The non-deceleration membrane cutting and winding mechanism for the diaphragm as claimed in 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, the negative pressure adsorption holes are arranged on the surface of the winding needle, and each negative pressure adsorption hole and the negative pressure pipeline are used for adsorbing the diaphragm head.
3. The non-deceleration membrane cutting and winding mechanism for the diaphragm as claimed in claim 2, wherein a negative pressure adsorption cavity is further arranged in the winding needle, a converging hole is arranged on the inner side of the negative pressure adsorption cavity, the converging hole is communicated with the negative pressure adsorption cavity and the negative pressure pipeline at the same time, the outer side of the negative pressure adsorption cavity is arranged at an interval with the outer surface of the winding needle, and each negative pressure adsorption hole is communicated with the negative pressure adsorption cavity.
4. The non-decelerating membrane cutting and winding mechanism for the diaphragm as claimed in claim 3, wherein the section of the negative pressure absorption cavity along the direction perpendicular to the rotating shaft of the winding needle is in a fan shape, and the center of the fan shape coincides with the rotating shaft of the winding needle.
5. The membrane non-deceleration film cutting and winding mechanism according to claim 1, wherein the pre-winding fixing structure comprises a abdicating knife slot and an elastic pressing block, the abdicating knife slot is opened on the surface of the winding needle and is matched with the cutting knife, the elastic pressing block is arranged in the abdicating knife slot and elastically abuts between two opposite side walls of the abdicating knife slot, the cutting knife is further used for bringing the membrane into the abdicating knife slot firstly when extending into the abdicating knife slot and pressing the elastic pressing block, and the elastic pressing block is used for abutting against the membrane head when the cutting knife is separated from the abdicating knife slot so as to fix the membrane on the winding needle firstly.
6. The non-decelerating membrane cutting and winding mechanism for the diaphragm as claimed in claim 5, wherein the elastic pressing block comprises a spring, a mounting hole is opened on one side wall of the abdicating knife groove, and the spring is assembled in the mounting hole and is ejected towards the other side wall of the abdicating knife groove.
7. The membrane non-deceleration film cutting and winding mechanism according to claim 1, wherein the pre-winding fixing structure comprises a abdication knife slot, the abdication knife slot is arranged on the surface of the winding needle and is matched with the cutting knife, the cutting knife is further used for bringing the membrane head into the abdication knife slot when the cutting knife extends into the abdication knife slot, and the membrane cutting roller is further used for pressing on the membrane head when the cutting knife is separated from the abdication knife slot so as to fix the membrane head on the winding needle.
8. The non-deceleration membrane cutting and winding mechanism according to any one of claims 1 to 7, wherein a heating rod is arranged in the membrane cutting roller, and the heating rod is connected with the cutting knife and used for heating the cutting knife so that the cutting knife can thermally cut the membrane.
9. The non-deceleration membrane cutting and winding mechanism for the membrane as claimed in any one of claims 1 to 7, wherein a telescopic driving member is further arranged in the membrane cutting roller, and the telescopic driving member is in transmission connection with the cutting knife and is used for driving the cutting knife to extend out or retract into the membrane cutting roller.
10. The non-deceleration diaphragm cutting and winding mechanism according to any one of claims 1 to 7, wherein the winding needle is further provided with two needle clamping yielding grooves, and the two needle clamping yielding grooves are oppositely arranged on the periphery of the winding needle and used for allowing the needle clamping to penetrate.
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| 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 |
| 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 |
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|---|---|
| CN113394466B (en) | 2023-04-21 |
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