CN216773317U

CN216773317U - Film-making winding device for lithium battery production and processing

Info

Publication number: CN216773317U
Application number: CN202123265602.4U
Authority: CN
Inventors: 闫芹; 冯维鑫
Original assignee: Lianyungang Jiuxin New Energy Technology Co ltd
Current assignee: Lianyungang Jiuxin New Energy Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-17
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a sheet-making winding device for lithium battery production and processing, which belongs to the technical field of lithium battery production and processing, and comprises a base, wherein a lithium battery winding machine is arranged at one side position of the upper end surface of the base, a pole piece is arranged at the upper end of the base, and a connecting mechanism is arranged at the middle position of the upper end surface of the base; coupling mechanism is including the connecting plate, damping spring, the connecting block, spacing groove and stopper, connecting plate fixed connection is at the up end of base, damping spring is located the up end of connecting block, stopper fixed connection is at the both sides face of connecting block, the inside at the connecting plate is seted up to the spacing groove, the stopper is located the inside of spacing groove, stopper and spacing groove sliding contact, damping spring is located the upper end position of connecting block, coupling mechanism's quantity is four, two coupling mechanism are a set of, can guarantee the roughness of pole piece, guarantee the stability of contact between roll body and the drive roll, the better conveys the pole piece, can improve the conveying effect to the pole piece greatly.

Description

Film-making winding device for lithium battery production and processing

Technical Field

The utility model relates to the technical field of lithium battery production and processing, in particular to a sheet-making and winding device for lithium battery production and processing.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and can be roughly divided into a lithium metal battery and a lithium ion battery, wherein the lithium ion battery does not contain lithium in a metal state and can be charged, and a pole piece used in the lithium battery is required to be wound in the production and processing of the lithium battery.

For example, chinese patent application No. CN202120820158.9 is a lithium battery production and processing sheet-making and winding integrated machine, and the specific contents are as follows: the pole piece packaging device comprises a packaging box, a lithium battery winding machine, a supporting frame and a connecting plate, wherein the supporting frame is symmetrically and fixedly mounted on the upper surface of the packaging box, the connecting plate is fixedly mounted at the top end of the supporting frame, a cutting device is fixedly mounted at the bottom end of the connecting plate, a transmission device is mounted inside the packaging box in a rotating mode, the lithium battery winding machine is fixedly mounted at one end of the packaging box, and the pole piece is extruded through an extrusion roller to be flattened.

The sheet-making winding device for producing and processing the lithium battery has no certain pulling property when the pole pieces are leveled, so that the pole pieces are difficult to level under the condition of wrinkles, and the wrinkle positions are only pressed again to deepen the wrinkles, so that the pole pieces are easy to damage during friction leveling, the winding process is not perfect, and the winding quality of the pole pieces is difficult to ensure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sheet-making and winding device for lithium battery production and processing, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a sheet-making and winding device for lithium battery production and processing comprises a base, wherein a lithium battery winding machine is arranged at one side of the upper end face of the base, a pole piece is arranged at the upper end of the base, and a connecting mechanism is arranged at the middle position of the upper end face of the base;

coupling mechanism is including connecting plate, damping spring, connecting block, spacing groove and stopper, connecting plate fixed connection is at the up end of base, damping spring is located the up end of connecting block, stopper fixed connection is at the both sides face of connecting block, the inside at the connecting plate is seted up to the spacing groove, the stopper is located the inside of spacing groove, stopper and spacing groove sliding contact, damping spring is located the upper end position of connecting block, coupling mechanism's quantity is four, two coupling mechanism is a set of.

Preferably, a first roller body is arranged between the connecting blocks in one group of the connecting mechanisms, connecting columns are fixedly connected to the front end face and the rear end face of the first roller body, and the connecting columns are rotatably inserted into the connecting blocks.

Preferably, a driving roller is arranged right below the first roller body, and a motor is arranged on one end face of the driving roller.

Preferably, another a set of be provided with roll body three between the connecting block among the coupling mechanism, the equal fixedly connected with connecting rod of both ends face around roll body three, the connecting rod is pegged graft in the inside of connecting block, and is provided with damping bearing between connecting rod and the connecting block.

Preferably, a second roller body is arranged right below the third roller body, and a damping bearing is arranged between the second roller body and the base.

Preferably, the other side position of the upper end face of the base is provided with a support frame, the inside top end position of the support frame is provided with an electric push rod, and the lower end face of the electric push rod is provided with a cutting blade.

Compared with the prior art, the utility model has the beneficial effects that: the starting motor drives the driving roller to rotate, the first roller body is matched to convey the pole piece, meanwhile, the pole piece can be flattened, in the process of conveying the pole piece, the pole piece can also be transmitted between the second roller body and the third roller body, the third roller body is connected with the connecting block in a damping rotating mode, the second roller body is connected with the base in a damping rotating mode, therefore, the pole piece has moving pulling force between the two groups of connecting mechanisms, the force can not affect the pole piece at the same time, the pole piece can be pulled flat, the wrinkle condition is avoided, then, the pole piece is flattened through extrusion between the first roller body and the driving roller, the flatness of the pole piece can be guaranteed, the first roller body can move in the limiting groove through the limiting block, the stability of the first roller body is further guaranteed, and then, the connecting block can be pressed under the action of the damping spring, the stability of contact between the first roller body and the driving roller is guaranteed, the pole pieces are better conveyed, and the conveying effect of the pole pieces can be greatly improved.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view of the combination of the pole piece and the connecting plate of the present invention;

FIG. 3 is a combination view of a first roll body and a drive roll according to the present invention;

FIG. 4 is a combination view of the limiting groove and the limiting block of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. a lithium battery winder; 3. pole pieces; 4. a connecting plate; 5. a first roller body; 6. a drive roll; 7. a second roller body; 8. a third roller body; 9. a support frame; 10. an electric push rod; 11. a cutting blade; 12. a damping spring; 13. connecting blocks; 14. a motor; 15. a limiting groove; 16. and a limiting block.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1 to 4, the present invention provides a sheet-making and winding apparatus for lithium battery production and processing, which comprises: the lithium battery winding machine comprises a base 1, wherein a lithium battery winding machine 2 is arranged at one side position of the upper end face of the base 1, a pole piece 3 is arranged at the upper end of the base 1, a connecting mechanism is arranged at the middle position of the upper end face of the base 1, a supporting frame 9 is arranged at the other side position of the upper end face of the base 1, an electric push rod 10 is arranged at the top end position inside the supporting frame 9, and a cutting blade 11 is arranged at the lower end face of the electric push rod 10;

the connecting mechanism comprises a connecting plate 4, a damping spring 12, a connecting block 13, a limiting groove 15 and a limiting block 16, the connecting plate 4 is fixedly connected with the upper end face of the base 1, the damping spring 12 is positioned on the upper end face of the connecting block 13, the limiting block 16 is fixedly connected with two side faces of the connecting block 13, the limiting groove 15 is arranged inside the connecting plate 4, the limiting block 16 is positioned inside the limiting groove 15, the limiting block 16 is in sliding contact with the limiting groove 15, the damping spring 12 is positioned at the upper end position of the connecting block 13, the number of the connecting mechanisms is four, the two connecting mechanisms are in a group, the pole piece 3 is flattened by extrusion between the roller body one 5 and the driving roller 6, the flatness of the pole piece 3 can be ensured, the roller body one 5 can move inside the limiting groove 15 through the limiting block 16, the stability of the roller body one 5 is further ensured, and then the connecting block 13 can be pressed under the action of the damping spring 12, the stability of contact between the roller body 5 and the driving roller 6 is guaranteed, and the pole piece 3 is better conveyed.

Wherein be provided with roll body 5 between the connecting block 13 among a set of coupling mechanism, the equal fixedly connected with spliced pole of both ends face around roll body 5, the spliced pole rotates the inside of pegging graft at connecting block 13, be provided with drive roll 6 under roll body 5, a terminal surface of drive roll 6 is provided with motor 14, be provided with roll body three 8 between the connecting block 13 among a set of coupling mechanism in addition, the equal fixedly connected with connecting rod of both ends face around roll body three 8, the connecting rod is pegged graft in the inside of connecting block 13, and be provided with the damping bearing between connecting rod and the connecting block 13, be provided with roll body two 7 under roll body three 8, be provided with the damping bearing between roll body two 7 and the base 1.

One specific application of this embodiment is: in the using process, the pole piece 3 passes through the position below the supporting frame 9 and between the two connecting mechanisms, the pole piece 3 is wound on the lithium battery winder 2, then the lithium battery winder 2 is started to wind the pole piece 3, meanwhile, the motor 14 is also started to drive the driving roller 6 to rotate, the transmission of the pole piece 3 can be realized by matching with the roller body I5, meanwhile, the flattening treatment can be carried out on the pole piece 3, in the process of transmitting the pole piece 3, the pole piece 3 can also be transmitted between the roller body II 7 and the roller body III 8, because the roller body III 8 is connected with the connecting block 13 in a damping rotating manner, the roller body II 7 is connected with the base 1 in a damping rotating manner, the moving pulling force is exerted on the pole piece 3 between the two groups of connecting mechanisms, the force can not cause bad influence on the pole piece 3 at the same time, therefore, the pole piece 3 can be flattened, and the wrinkle condition is avoided, afterwards, pole piece 3 is flattened by extrusion between a first roller body 5 and a driving roller 6, the flatness of pole piece 3 can be guaranteed, the first roller body 5 can move in the limiting groove 15 through a limiting block 16, the stability of the first roller body 5 is further guaranteed, then the connecting block 13 can be pressed under the action of a damping spring 12, the stability of contact between the first roller body 5 and the driving roller 6 is guaranteed, pole piece 3 is better conveyed, the conveying effect of pole piece 2 can be greatly improved, after winding is finished, cutting blade 11 is pushed downwards through an electric push rod 10, and pole piece 2 is cut, and winding operation is completed once.

The using process and the connection relation of the lithium battery winder 2 adopted by the utility model are given by the background information provided by the utility model, and the technical personnel can obtain the using process and obtain the corresponding using effect by matching with the description of the specification of the utility model, so that the using process and the connection relation are not disclosed one by one.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand the utility model for and utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a film-making take-up device of lithium cell production and processing usefulness, includes base (1), its characterized in that: a lithium battery winding machine (2) is arranged on one side of the upper end face of the base (1), a pole piece (3) is arranged at the upper end of the base (1), and a connecting mechanism is arranged in the middle of the upper end face of the base (1);

coupling mechanism is including connecting plate (4), damping spring (12), connecting block (13), spacing groove (15) and stopper (16), connecting plate (4) fixed connection is at the up end of base (1), damping spring (12) are located the up end of connecting block (13), stopper (16) fixed connection is at the both sides face of connecting block (13), the inside at connecting plate (4) is seted up in spacing groove (15), stopper (16) are located the inside of spacing groove (15), stopper (16) and spacing groove (15) sliding contact, damping spring (12) are located the upper end position of connecting block (13), coupling mechanism's quantity is four, two coupling mechanism is a set of.

2. The sheet-making winding device for lithium battery production and processing according to claim 1, characterized in that: a roller body I (5) is arranged between connecting blocks (13) in one group of connecting mechanisms, connecting columns are fixedly connected to the front end face and the rear end face of the roller body I (5), and the connecting columns are rotatably inserted into the connecting blocks (13).

3. The sheet-making winding device for lithium battery production and processing according to claim 2, characterized in that: a driving roller (6) is arranged right below the roller body I (5), and a motor (14) is arranged on one end face of the driving roller (6).

4. The sheet-making winding device for lithium battery production and processing according to claim 1, characterized in that: and a third roller body (8) is arranged between the connecting blocks (13) in the other group of connecting mechanisms, connecting rods are fixedly connected to the front end face and the rear end face of the third roller body (8), the connecting rods are inserted into the connecting blocks (13), and damping bearings are arranged between the connecting rods and the connecting blocks (13).

5. The sheet-making winding device for lithium battery production and processing according to claim 4, characterized in that: a second roller body (7) is arranged right below the third roller body (8), and a damping bearing is arranged between the second roller body (7) and the base (1).

6. The sheet-making winding device for lithium battery production and processing according to claim 1, characterized in that: the cutting tool is characterized in that a support frame (9) is arranged at the other side of the upper end face of the base (1), an electric push rod (10) is arranged at the top end position of the interior of the support frame (9), and a cutting blade (11) is arranged on the lower end face of the electric push rod (10).