CN220710347U - Negative electrode forming and winding integrated machine - Google Patents

Negative electrode forming and winding integrated machine Download PDF

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Publication number
CN220710347U
CN220710347U CN202322310284.1U CN202322310284U CN220710347U CN 220710347 U CN220710347 U CN 220710347U CN 202322310284 U CN202322310284 U CN 202322310284U CN 220710347 U CN220710347 U CN 220710347U
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China
Prior art keywords
negative pole
cylinder
lithium
pelleter
riveting
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CN202322310284.1U
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Chinese (zh)
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马鹏江
彭成德
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Shenzhen Hongde Electromechanical Technology Co ltd
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Shenzhen Hongde Electromechanical Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

The utility model discloses a negative pole shaping and winding integrated machine, which comprises a negative pole pelleter, a feeding mechanism and a winding machine, wherein the feeding mechanism is arranged on the upper end face of the negative pole pelleter, one side of the negative pole pelleter is provided with the winding machine, the winding machine is provided with two groups, one side of the feeding mechanism is provided with a compound mechanism, one side of the compound mechanism is provided with a pressurizing mechanism, one side of the pressurizing mechanism is provided with a cutting mechanism, one side of the cutting mechanism is provided with a discharging mechanism, and the feeding mechanism comprises an upper lithium belt feeding disc, a lower lithium belt feeding disc, a conveying belt, a tab placing disc, a tab riveting assembly, a rubberizing assembly, a regulating assembly and a cleaning roller group. This negative pole pelleter device can realize double-deck lithium area through last lithium area charging tray in the feed mechanism and lower lithium area charging tray and cover, increases pelleter film-making thickness to avoid when coiling the negative pole piece, lead to the space between the lithium tape layer to change, and cause the cracked condition of negative pole piece to take place.

Description

Negative electrode forming and winding integrated machine
Technical Field
The utility model relates to the technical field of battery core winding machines, in particular to a negative electrode forming and winding integrated machine.
Background
The lithium ion battery is a multi-time rechargeable battery, and mainly relies on lithium ions to move between a positive electrode and a negative electrode to complete charge and discharge. In the production process of the lithium ion battery, the battery pole piece needs to be wound to form a battery core of the battery. As disclosed in application number CN202111075394.3, an automatic winding machine, a man-machine interface is movably installed on a frame, and the positive electrode production device comprises an upper diaphragm unreeling mechanism and a positive electrode supply mechanism, wherein the upper diaphragm unreeling mechanism is used for placing an upper diaphragm; the negative electrode conveying device is arranged on the mounting panel, and the negative electrode production device comprises a composite diaphragm unreeling mechanism, a lithium belt unreeling mechanism, a composite steel mesh unreeling mechanism and a lower diaphragm unreeling mechanism.
Similar to an automatic winding machine described above, the following drawbacks are present: the device can directly convey the positive electrode sheet and the negative electrode sheet to the winding mechanism for winding through the positive electrode conveying device and the negative electrode conveying device, but when the negative electrode sheet is subjected to a winding machine after being molded, the negative electrode sheet is easy to be thinner through a single-layer lithium belt sheet, so that the capacity of the negative electrode sheet is limited due to the limitation of the thickness of the lithium belt material, and the negative electrode sheet is cracked during winding.
Accordingly, in view of the above, research and improvement have been made to the conventional structure and the conventional drawbacks, and a negative electrode molding and winding integrated machine has been proposed to achieve the purpose of having a higher practical value.
Disclosure of Invention
The utility model aims to provide a negative electrode forming and winding integrated machine so as to solve the problem of preventing negative electrode pieces from cracking in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: negative pole shaping coiling all-in-one, including negative pole pelleter, feed mechanism and coiler, feed mechanism installs the up end at negative pole pelleter, the coiler is installed to one side of negative pole pelleter, and the coiler installs two sets ofly, feed mechanism includes that first lithium takes charging tray and second lithium take the charging tray, negative pole piece conveyer belt is installed to the top of charging tray on the first lithium, and the charging tray is installed to one side of negative pole piece conveyer belt, the tab is put to one side of charging tray on the first lithium and is put the reel, and the tab riveting subassembly is installed to the below of tab is put the reel, and the rubberizing subassembly is installed to one side of tab riveting subassembly, the subassembly of rectifying is installed to rubberizing subassembly's top, clean roller group is installed to one side of charging tray on the first lithium area charging tray and second lithium area charging tray in the feed mechanism, and the middle part of tab riveting subassembly is installed riveting cylinder and rubberizing cylinder respectively, rectifying subassembly includes that first lithium area rectifies and second lithium area rectifies.
Further, the riveting clamp plate is installed to the output of riveting cylinder, and the negative pole area guide rail is installed to the below of riveting clamp plate, riveting cylinder and riveting clamp plate power are connected, the high temperature rubber roll is installed to the output of rubberizing cylinder, the heating storehouse is installed to the inboard of high temperature rubber roll, rubberizing cylinder and high temperature rubber roll power are connected, the heating wire is installed to the inboard of heating storehouse, first lithium area is rectified and is installed in the top that the second lithium area rectified, first lithium area one side of rectifying has first rectifying cylinder, second lithium area one side of rectifying is installed second rectifying cylinder.
Further, one side of feed mechanism is provided with compound mechanism, and compound mechanism is kept away from one side of feed mechanism and is provided with pressurizing mechanism, one side that compound mechanism was kept away from to pressurizing mechanism is provided with cutting mechanism, and cutting mechanism is kept away from one side of pressurizing mechanism and is provided with discharge mechanism, compound mechanism includes compound cylinder and pole piece utmost point ear pressfitting guide pillar plywood, and pole piece utmost point ear pressfitting guide pillar plywood installs the below at compound cylinder, pressurizing mechanism includes pressure cylinder and pressurization platform, pressure cylinder's below is provided with the pressurization platform, cutting mechanism includes shearing cylinder, cutter and shearing platform, shearing cylinder's output is provided with the cutter, and the below of cutter is provided with the shearing platform, discharge mechanism includes unloading cylinder and baffle, the output of unloading cylinder is provided with the baffle.
Further, the inner cavity of the negative pole pelleter is provided with an air pump, and the air pump forms a communication structure with an air cylinder in the feeding mechanism, the compound mechanism, the pressurizing mechanism, the cutting mechanism and the discharging mechanism through air pipes.
Further, negative pole pelleter, coiler, compound mechanism, pressurizing mechanism, cutting mechanism and discharge mechanism constitute electric connection, the top of negative pole pelleter is provided with negative pole tension roller.
Further, the negative pole pelleter is connected with the winder through the negative pole piece conveyer belt, and the discharge gate of negative pole pelleter is in the coplanar with the feed inlet of winder, negative pole pelleter and winder are electric connection.
Compared with the prior art, the utility model has the beneficial effects that: according to the negative electrode pelleter, double-layer lithium belt coverage can be realized through the upper lithium belt feeding disc and the lower lithium belt feeding disc in the feeding mechanism, and the pelleter thickness is increased, so that the situation that when a negative electrode plate is wound, the space between lithium belt layers changes to cause the breakage of the negative electrode plate is avoided;
lithium strip laminating is carried out to the negative pole through last lithium strip charging tray and lower lithium strip charging tray among the feed mechanism, realize double-deck lithium strip cover, transport the pole ear riveting subassembly through the conveyer belt, rubberizing subassembly and the below of rule positive subassembly, thereby rivet the lithium strip in proper order, paste high temperature glue, rectify, and clear up the lithium strip through the cleaning roller group when laminating, when increasing negative pole piece capacity, reduce the production of defective products, then coil up the negative pole piece, thereby realize negative pole piece shaping coiling integration operation.
Drawings
FIG. 1 is a schematic side view of a negative electrode forming and winding integrated machine;
FIG. 2 is a schematic top view of a negative pole pelleter of the negative pole shaping and winding integrated machine of the utility model;
FIG. 3 is a schematic diagram of the positive structure of a negative pole pelleter of the negative pole forming and winding integrated machine;
FIG. 4 is a schematic view of a negative pole pelleter of the negative pole shaping and winding integrated machine of the utility model;
fig. 5 is a schematic diagram of a structure of a negative electrode forming and winding integrated machine at a position a in fig. four.
In the figure: 1. a negative electrode pelleter; 2. a feeding mechanism; 201. a first lithium belt charging tray; 202. a second lithium belt charging tray; 203. a negative plate conveyer belt; 204. a pole lug reel is put on; 205. a tab riveting assembly; 2051. a riveting air cylinder; 2052. riveting a pressing plate; 2053. a negative electrode belt guide rail; 206. a rubberizing component; 2061. a rubberizing cylinder; 207. a deviation rectifying component; 2071. correcting the deviation of the first lithium belt; 2072. correcting the deviation of the second lithium belt; 2073. a first deviation correcting cylinder; 2074. a second deviation correcting cylinder; 208. a cleaning roller set; 3. a winder; 4. a compound mechanism; 401. a compound cylinder; 5. a pressurizing mechanism; 501. a pressurizing cylinder; 6. a cutting mechanism; 601. a shear cylinder; 7. a discharging mechanism; 701. a blanking cylinder; 8. an air pump.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 5, the present utility model provides a technical solution: the cathode forming and winding integrated machine comprises a cathode pelleter 1, a feeding mechanism 2 and a winding machine 3, wherein the feeding mechanism 2 is arranged on the upper end surface of the cathode pelleter 1, the winding machine 3 is arranged on one side of the cathode pelleter 1, the winding machine 3 is provided with two groups, the feeding mechanism 2 comprises a first lithium strip material disc 201 and a second lithium strip material disc 202, a cathode sheet conveyer belt 203 is arranged above the first lithium strip material disc 201, a second lithium strip material disc 202 is arranged on one side of the cathode sheet conveyer belt 203, a tab reel 204 is arranged on one side of the first lithium strip material disc 201, a tab riveting assembly 205 is arranged below the tab reel 204, a rubberizing assembly 206 is arranged on one side of the tab riveting assembly 205, a correction assembly 207 is arranged above the rubberizing assembly 206, a cleaning roller group 208 is arranged on one side of the first lithium strip material disc 201 and the second lithium strip material disc 202 in the feeding mechanism 2, riveting cylinders 2051 and rubberizing assemblies 2061 are respectively arranged in the middle of the tab riveting assembly 205 and the rubberizing assembly 206, and the correction assembly 2061 comprises the first lithium strip correction and second lithium strip correction modules 2072;
in this embodiment, the output end of the riveting cylinder 2051 is provided with a riveting press plate 2052, a cathode belt guide rail 2053 is installed below the riveting press plate 2072, the riveting cylinder 2051 is in power connection with the riveting press plate 2052, the output end of the rubberizing cylinder 2061 is provided with a high-temperature rubber roller, a heating bin is installed on the inner side of the high-temperature rubber roller, the rubberizing cylinder 2061 is in power connection with the high-temperature rubber roller, a heating wire is installed on the inner side of the heating bin, a first lithium belt rectifying 2071 is installed above a second lithium belt rectifying 2072, a first rectifying cylinder 2073 is arranged on one side of the first lithium belt rectifying 2071, a second rectifying cylinder 2074 is installed on one side of the second lithium belt rectifying 2072, the riveting cylinder 2051 is started, the riveting press plate 2052 is driven by the riveting cylinder 2051, the riveted lithium belt is transported by the cathode belt guide rail 2053 so as to paste the lithium belt, the output end of the rubberizing cylinder 2061 is provided with the high-temperature rubber roller, the heating bin is arranged on the inner side of the high-temperature rubber roller, the first lithium belt rectifying cylinder 2071 is connected with the second lithium belt rectifying cylinder 2072, the first lithium belt rectifying cylinder 2071 is driven by the first rectifying cylinder 2071, the lithium belt is driven by the high-temperature rubber roller, the first lithium belt rectifying cylinder 2071 is driven by the first lithium belt rectifying cylinder 2071, and the lithium belt is driven by the high temperature rubber belt, the first rectifying cylinder 2071 through the high temperature rubber roller, and the first lithium belt rectifying cylinder is driven by the high power, and the lithium belt is driven by the first lithium belt rectifying cylinder 207is driven by the high power, and the lithium belt through the high power, and the lithium belt is driven by the lithium belt rectifying cylinder;
in the embodiment, a composite mechanism 4 is arranged on one side of a feeding mechanism 2, a pressurizing mechanism 5 is arranged on one side of the composite mechanism 4 away from the feeding mechanism 2, a cutting mechanism 6 is arranged on one side of the pressurizing mechanism 5 away from the composite mechanism 4, a discharging mechanism 7 is arranged on one side of the cutting mechanism 6 away from the pressurizing mechanism 5, the composite mechanism 4 comprises a composite cylinder 401 and a pole piece pole lug lamination guide post laminate, the pole piece pole lug lamination guide post laminate is arranged below the composite cylinder 401, the pressurizing mechanism 5 comprises a pressurizing cylinder 501 and a pressurizing table, the pressurizing cylinder 501 is arranged below the pressurizing cylinder 501, the cutting mechanism 6 comprises a shearing cylinder 601, a cutter and a shearing table, the output end of the shearing cylinder 601 is provided with the cutter, the discharging mechanism 7 comprises a blanking cylinder 701 and a baffle plate, the output end of the blanking cylinder 701 is provided with the baffle, a lithium strip subjected to correction is moved to the lower part of the composite mechanism 4, the composite cylinder 401 is started, the double-layer lithium strip is composited through the composite cylinder 401 and the pole piece pole lug lamination guide post laminate, the double-layer lithium strip is moved to the lower part of the pressurizing mechanism 401 by utilizing a negative pole piece conveying belt 203, the pressurizing cylinder 501 and the pressurizing mechanism is started, the lithium strip is subjected to the shearing cylinder 601, the lithium strip is subjected to the shearing by the shearing cylinder and the shearing cylinder is more closely, and the lithium strip is subjected to the shearing by the shearing cylinder 601, and the shearing cylinder is subjected to the shearing by the shearing cylinder and the shearing cylinder is subjected to the shearing and the shearing of the lithium strip after the lithium strip is subjected to the shearing and the shearing cylinder is more closely cut by the shearing cylinder and the lithium strip after the lithium strip is subjected to the shearing a shearing cylinder and the lithium strip;
the inner chamber of negative pole pelleter 1 is provided with air pump 8, and air pump 8 all constitutes the communication structure through the trachea with feed mechanism 2, compound mechanism 4, pressurizing mechanism 5, the cylinder in cutting mechanism 6 and the discharge mechanism 7, negative pole pelleter 1, coiler 3, compound mechanism 4, pressurizing mechanism 5, cutting mechanism 6 and discharge mechanism 7 constitute electric connection, the top of negative pole pelleter 1 is provided with negative pole tension roller, be connected through negative pole piece conveyer belt 203 between negative pole pelleter 1 and the coiler 3, and the discharge gate of negative pole pelleter 1 is in the same position with the feed inlet of coiler 3, negative pole pelleter 1 and coiler 3 electric connection, at last coil the negative pole piece through coiler 3.
The working principle of the embodiment is as follows: when the cathode forming and winding integrated machine is used, firstly, lithium strip raw materials are installed, then, the cathode strip conveying belt 203 is started, the lithium strip is conveyed through the auxiliary roller and the cleaning roller group 208, after the lithium strip moves to the lower part of the riveting cylinder 2051, the riveting cylinder 2051 is started, the riveting pressing plate 2052 is driven by the riveting cylinder 2051 to rivet the lithium strip, the riveted lithium strip is conveyed by the cathode strip guide rail 2053 so as to paste high-temperature glue on the lithium strip, the output end of the rubberizing cylinder 2061 is provided with a high-temperature rubber roller, the inner side of the high-temperature rubber roller is provided with a heating bin, the rubberizing cylinder 2061 is in power connection with the high-temperature rubber roller, the inner side of the heating bin is provided with an electric heating wire, the rubberizing cylinder 2061 is started, the high-temperature rubber roller is driven by the rubberizing cylinder 2061 to be attached with the lithium strip, meanwhile, the electric heating wire at the inner side of the heating bin is started so as to paste the high-temperature rubber strip, the lithium strip pasted with the high-temperature rubber is moved between a first lithium strip correction 2071 and a second lithium strip correction 2072, the first lithium belt rectifying device 2071 is arranged above the second lithium belt rectifying device 2072, a first rectifying cylinder 2073 is arranged on one side of the first lithium belt rectifying device 2071, a second rectifying cylinder 2074 is arranged on one side of the second lithium belt rectifying device 2072, the second lithium belt rectifying device 2072 is driven by the second rectifying cylinder 2074 to rectify the lithium belt, the first lithium belt rectifying device 2071 is driven by the first rectifying cylinder 2073 to rectify the lithium belt, the rectified lithium belt is moved to the lower part of the compounding mechanism 4, the compounding cylinder 401 is started, the double-layer lithium belt is compounded by the compounding cylinder 401 and the pole tab lamination guide post laminate, the pressurizing cylinder 501 is started under the pressurizing mechanism 5 by utilizing the negative pole tab conveying belt 203, the double-layer lithium belt is pressurized by the pressurizing cylinder 501 and the pressurizing table so as to enable the lithium belt to be attached more tightly, the lithium belt after pressurization is moved to the lower part of the cutting mechanism 6, the shearing cylinder 601 is activated so that the lithium strip is sheared by the shearing cylinder 601, the cutter and the shearing table to obtain a desired shape, and finally the sheared lithium strip is pushed by the blanking cylinder 701 and the baffle plate in the discharging mechanism 7 to obtain a final product, and finally the negative electrode sheet is wound by the winding machine 3.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (6)

1. Negative pole shaping coiling all-in-one, including negative pole pelleter (1), feed mechanism (2) and coiler (3), its characterized in that: the utility model provides a lithium battery pack, including lithium strip making machine (1), charging mechanism (2) are installed at the up end of negative pole pelleter (1), coiler (3) are installed to one side of negative pole pelleter (1), and coiler (3) are installed two sets of, charging mechanism (2) are including first lithium strip charging tray (201) and second lithium strip charging tray (202), negative pole piece conveyer belt (203) are installed to the top of first lithium strip charging tray (201), and second lithium strip charging tray (202) are installed to one side of negative pole piece conveyer belt (203), tab reel (204) are installed to one side of first lithium strip charging tray (201), and tab riveting subassembly (205) are installed to the below of tab riveting subassembly (204), and tab riveting subassembly (205) are installed to one side of tab riveting subassembly (206), rectifying subassembly (207) are installed to the top of rubberizing subassembly (206), one side of first lithium strip charging tray (201) and second lithium strip charging tray (202) are installed to one side of charging mechanism (2), and lithium strip rectifying subassembly (205) and backing roller (2071) are installed respectively.
2. The negative electrode molding and winding integrated machine according to claim 1, wherein: the riveting clamp plate (2052) is installed to the output of riveting cylinder (2051), and negative pole area guide rail (2053) is installed to the below of riveting clamp plate (2052), riveting cylinder (2051) is connected with riveting clamp plate (2052) power, the high temperature rubber roll is installed to the output of rubberizing cylinder (2061), heating storehouse is installed to the inboard of high temperature rubber roll, rubberizing cylinder (2061) is connected with high temperature rubber roll power, the heating wire is installed to the inboard of heating storehouse, first lithium area is rectified (2071) and is installed in the top that second lithium area rectified (2072), first lithium area is rectified (2071) one side has first rectifying cylinder (2073), second rectifying cylinder (2074) is installed to one side that second lithium area rectified (2072).
3. The negative electrode molding and winding integrated machine according to claim 1, wherein: one side of feed mechanism (2) is provided with compound mechanism (4), and compound mechanism (4) is kept away from one side of feed mechanism (2) and is provided with pressurizing mechanism (5), one side that compound mechanism (4) was kept away from to pressurizing mechanism (5) is provided with cutting mechanism (6), and one side that pressurizing mechanism (5) was kept away from to cutting mechanism (6) is provided with discharge mechanism (7), compound mechanism (4) are including compound cylinder (401) and pole piece tab pressfitting guide pillar plywood, and pole piece tab pressfitting guide pillar plywood installs in the below of compound cylinder (401), pressurizing mechanism (5) are including pressurizing cylinder (501) and pressurization platform, the below of pressurizing cylinder (501) is provided with the platform that adds, cutting mechanism (6) are including shearing cylinder (601), cutter and shearing platform, the below of shearing cylinder (601) is provided with the cutter, discharge mechanism (7) are including unloading cylinder (701) and baffle, the output of unloading cylinder (701) is provided with the baffle.
4. The negative electrode molding and winding integrated machine according to claim 3, wherein: the inner cavity of the negative pole pelleter (1) is provided with an air pump (8), and the air pump (8) forms a communication structure with the air cylinders in the feeding mechanism (2), the composite mechanism (4), the pressurizing mechanism (5), the cutting mechanism (6) and the discharging mechanism (7) through air pipes.
5. The negative electrode molding and winding integrated machine according to claim 1, wherein: the negative pole pelleter (1), coiler (3), compound mechanism (4), pressurizing mechanism (5), cutting mechanism (6) and discharge mechanism (7) constitute electric connection, the top of negative pole pelleter (1) is provided with negative pole tension roller.
6. The negative electrode molding and winding integrated machine according to claim 1, wherein: the negative pole pelleter (1) is connected with the winder (3) through negative pole piece conveyer belt (203), and the discharge gate of negative pole pelleter (1) is in the same position with the feed inlet of winder (3), negative pole pelleter (1) and winder (3) electric connection.
CN202322310284.1U 2023-08-24 2023-08-24 Negative electrode forming and winding integrated machine Active CN220710347U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322310284.1U CN220710347U (en) 2023-08-24 2023-08-24 Negative electrode forming and winding integrated machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322310284.1U CN220710347U (en) 2023-08-24 2023-08-24 Negative electrode forming and winding integrated machine

Publications (1)

Publication Number Publication Date
CN220710347U true CN220710347U (en) 2024-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322310284.1U Active CN220710347U (en) 2023-08-24 2023-08-24 Negative electrode forming and winding integrated machine

Country Status (1)

Country Link
CN (1) CN220710347U (en)

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