CN217035673U

CN217035673U - Rolling laser cutting all-in-one machine

Info

Publication number: CN217035673U
Application number: CN202220505694.4U
Authority: CN
Inventors: 吴松彦; 何德斌
Original assignee: Guangdong Yixinfeng Intelligent Equipment Co ltd
Current assignee: Guangdong Yixinfeng Intelligent Equipment Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-22
Anticipated expiration: 2032-03-07

Abstract

The utility model relates to the technical field of pole piece cutting, in particular to a rolling laser cutting all-in-one machine which comprises a pole piece unreeling station, a pole piece rolling station, a laser slicing station and a reeling station, wherein the pole piece unreeling station unreels a pole piece and sends the pole piece to the pole piece rolling station, the pole piece rolling station rolls and flattens the pole piece, the laser slicing station is used for cutting the pole piece, the reeling station is provided with a reeling assembly, and the reeling assembly is used for reeling the pole piece. The utility model integrates the rolling of the pole piece and the cutting of the pole piece together, and the rolling is carried out before the pole piece is cut, thereby ensuring the flatness of the pole piece.

Description

Rolling laser cutting all-in-one machine

Technical Field

The utility model relates to the technical field of pole piece cutting, in particular to a rolling laser cutting all-in-one machine.

Background

The lithium ion battery is a new generation green high-energy battery with excellent performance, and has become one of the key points of high and new technology development. The lithium ion battery has the following characteristics: high voltage, high capacity, low consumption, no memory effect, no pollution, small size, small internal resistance, less self-discharge and more cycle times. Because of the above characteristics, lithium ion batteries have been applied to various civil and military fields such as mobile phones, notebook computers, video cameras, digital cameras, and the like.

The pole piece is used as an important component of the lithium battery and plays an important role in the performance of the battery. The electric core of the lithium ion battery is formed by alternately laminating a plurality of groups of positive and negative pole pieces. In the pole piece production process, the pole piece needs to be cut, and the pole piece cutting comprises die cutting and laser cutting. The pole piece needs to be kept flat in the laser cutting process, the cutting precision of the pole piece can be guaranteed, the cutting precision of the existing pole piece is difficult to master, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a rolling and laser cutting integrated machine which integrates the rolling of the pole piece and the cutting of the pole piece together, and the rolling is carried out before the pole piece is cut so as to ensure the flatness of the pole piece.

The technical scheme adopted by the utility model is as follows: the utility model provides a roll extrusion laser cutting all-in-one, includes that the pole piece unreels station, pole piece roll-in station, laser burst station and rolling station, the pole piece unreels the station and unreels the pole piece and send into to pole piece roll-in station, pole piece roll-in station levels the pole piece roll-in, laser burst station is used for cutting the pole piece, the rolling station is equipped with the rolling subassembly, the rolling subassembly is used for the pole piece rolling.

The pole piece unreeling station is provided with an unreeling roller, and the unreeling roller is used for unreeling the pole piece.

The technical scheme is further improved in that the pole piece rolling station comprises an upper roller body and a lower roller body, wherein the outer diameters of the upper roller body and the lower roller body are tangent, and a gap for the pole piece to pass through is reserved.

The scheme is further improved in that the upper roller body is matched with the lower roller body to roll the pole piece.

The further improvement of the scheme is that the laser slicing station comprises a slitting component, a trimming component and a tab cutting component, wherein the trimming component is used for trimming the pole piece, and the tab cutting component cuts the pole piece into tabs.

The further improvement of the scheme is that the edge cutting assembly and the tab cutting assembly are symmetrically provided with two groups by taking the slitting assembly as a center.

The scheme is further improved in that the edge cutting assembly cuts the pole pieces into two groups of pole piece belts.

The further improvement to above-mentioned scheme does, cut utmost point ear subassembly and include first utmost point ear laser head and second and cut utmost point ear laser head, first utmost point ear laser head and second are cut utmost point ear laser head and are cut into the utmost point ear part of two with the pole piece area branch.

The further improvement of the scheme is that the slitting component, the trimming component and the tab cutting component are all laser cutting heads.

The further improvement to the above scheme is that the winding assembly comprises an upper end winding roller and a lower end winding roller, and the upper end winding roller and the lower end winding roller are both arranged in parallel.

The beneficial effects of the utility model are:

compared with the existing pole piece cutting, the pole piece rolling and pole piece cutting are integrated together, rolling is carried out before pole piece cutting, the flatness of the pole piece is guaranteed, meanwhile, a winding structure is arranged, the pole piece is wound after being cut, the equipment is simple and reliable, the operation is stable, the pole piece rolling and cutting effect is good, and the automation degree is high. The winding device comprises a pole piece unwinding station, a pole piece rolling station, a laser slicing station and a winding station, wherein the pole piece unwinding station unwinds a pole piece and sends the pole piece to the pole piece rolling station, the pole piece rolling station rolls the pole piece flatly, the laser slicing station is used for cutting the pole piece, and the winding station is provided with a plurality of winding assemblies. The pole piece is rolled by the pole piece rolling station to form a flat pole piece, so that subsequent slitting is facilitated.

Drawings

FIG. 1 is a schematic perspective view of the rolling and laser cutting integrated machine of the present invention;

FIG. 2 is a schematic perspective view of the rolling laser cutting machine shown in FIG. 1 from another perspective;

fig. 3 is an enlarged schematic view of a in fig. 1.

Description of reference numerals: the pole piece winding device comprises a pole piece unwinding station 1, an unwinding roller 11, a pole piece rolling station 2, an upper roller body 21, a lower roller body 22, a laser slicing station 3, a slitting component 31, a trimming component 32, a tab cutting component 33, a first tab laser head 331, a second tab cutting laser head 332, a winding station 4, a winding component 41, an upper end winding roller 411 and a lower end winding roller 412.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1-3, a roll-in laser cutting all-in-one machine comprises a pole piece unreeling station 1, a pole piece rolling station 2, a laser slicing station 3 and a reeling station 4, wherein the pole piece unreeling station 1 unreels a pole piece and sends the pole piece to the pole piece rolling station 2, the pole piece rolling station 2 rolls and flattens the pole piece, the laser slicing station 3 is used for cutting the pole piece, the reeling station 4 is provided with a reeling component 41, and the reeling component 41 is used for reeling the pole piece.

The pole piece unreels station 1 and is equipped with unreeling roller 11, unreeling roller 11 is used for unreeling the pole piece, is used for unreeling the pole piece through unreeling roller 11, makes things convenient for follow-up roll-in and cuts.

Pole piece roll-in station 2 includes roll body 21 and lower roll body 22, go up roll body 21 and roll body 22 external diameter tangent and reserve the clearance that is used for the pole piece to pass through with lower roll body 22, go up roll body 21 and roll body 22 cooperation down with the pole piece roll-in, level and smooth pole piece with the pole piece roll-in through the cooperation of last roll body 21 and lower roll body 22, guarantee follow-up cutting accuracy.

In this embodiment, laser burst station 3 is including cutting subassembly 31, side cut subassembly 32 and cutting utmost point ear subassembly 33, side cut subassembly 32 is used for the pole piece to cut the edge, cutting utmost point ear subassembly 33 and cutting utmost point ear with the pole piece, cutting the pole piece through cutting subassembly 31, the back is carried out the deburring with the outside through side cut subassembly 32, sets up simultaneously and cuts utmost point ear subassembly 33 and cuts out utmost point ear to the pole piece.

In another embodiment, the edge cutting assembly 32 and the tab cutting assembly 33 are symmetrically arranged in two groups with the cutting assembly 31 as a center, the edge cutting assembly 32 cuts the pole piece into two groups of pole piece belts, and a plurality of pole piece rolls can be cut for wide pole pieces by adopting two groups of symmetrical structures.

The tab cutting assembly 33 comprises a first tab laser head 331 and a second tab laser head 332, the first tab laser head 331 and the second tab laser head 332 cut the tab belt into two tab parts, and tabs are cut out of the tab through the cooperation of the two groups of tab laser heads, so that the cutting of the tab is stable and reliable.

The cutting assembly 31, the trimming assembly 32 and the tab cutting assembly 33 are all laser cutting heads, and a laser cutting structure is adopted for cutting pole pieces.

Winding assembly 41 includes upper end wind-up roll 411 and lower extreme wind-up roll 412, upper end wind-up roll 411 and lower extreme wind-up roll 412 all are provided with two sets ofly side by side, set up a plurality of wind-up rolls and carry out the rolling with the pole piece of cutting the completion.

The utility model integrates the pole piece rolling and the pole piece cutting together, rolls the pole piece before the pole piece is cut, ensures the flatness of the pole piece, simultaneously is provided with the winding structure, winds the pole piece after the pole piece is cut, has simple and reliable equipment, stable operation, good effect of rolling and cutting the pole piece and high automation degree. Specifically, a pole piece unreeling station 1, a pole piece rolling station 2, a laser slicing station 3 and a reeling station 4 are arranged, the pole piece unreeling station 1 unreels the pole piece and sends the pole piece to the pole piece rolling station 2, the pole piece rolling station 2 rolls the pole piece flatly, the laser slicing station 3 is used for cutting the pole piece, and the reeling station 4 is provided with a plurality of reeling assemblies 41. The pole pieces are rolled by the pole piece rolling station 2 to form flat pole pieces, so that subsequent slitting is facilitated.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a roll extrusion laser cutting all-in-one which characterized in that: including the pole piece station, pole piece roll-in station, laser burst station and rolling station unreel, the pole piece unreels the station and unreels the pole piece and send into to pole piece roll-in station, pole piece roll-in station levels the pole piece roll-in, laser burst station is used for cutting the pole piece, the rolling station is equipped with the rolling subassembly, the rolling subassembly is used for the pole piece rolling.

2. The rolling laser cutting all-in-one machine according to claim 1, wherein: the pole piece unreels the station and is equipped with the unreeling roller, the unreeling roller is used for unreeling the pole piece.

3. The rolling laser cutting all-in-one machine according to claim 1, wherein: the pole piece rolling station comprises an upper roller body and a lower roller body, wherein the outer diameters of the upper roller body and the lower roller body are tangent, and a gap for the pole piece to pass through is reserved.

4. The roller pressing laser cutting all-in-one machine according to claim 3, wherein: the upper roller body and the lower roller body are matched to roll the pole piece.

5. The roller pressing laser cutting all-in-one machine according to claim 1, wherein: the laser slicing station comprises a slitting assembly, a trimming assembly and a tab cutting assembly, wherein the trimming assembly is used for trimming the pole piece, and the tab cutting assembly cuts the pole piece into tabs.

6. The roller pressing laser cutting all-in-one machine according to claim 5, wherein: the edge cutting assembly and the tab cutting assembly are symmetrically provided with two groups by taking the edge cutting assembly as a center.

7. The rolling laser cutting all-in-one machine according to claim 6, wherein: the edge cutting assembly cuts the pole pieces into two groups of pole piece belts.

8. The roller pressing laser cutting all-in-one machine according to claim 7, wherein: the electrode lug cutting assembly comprises a first electrode lug cutting laser head and a second electrode lug cutting laser head, and the first electrode lug cutting laser head and the second electrode lug cutting laser head cut the electrode strip into two electrode lug parts.

9. The roller pressing laser cutting all-in-one machine according to claim 8, wherein: the slitting component, the trimming component and the tab cutting component are all laser cutting heads.

10. The rolling laser cutting all-in-one machine according to claim 1, wherein: the winding assembly comprises an upper end winding roller and a lower end winding roller, and the upper end winding roller and the lower end winding roller are both arranged in parallel and are provided with two groups.