CN218555762U

CN218555762U - Utmost point ear cutting device

Info

Publication number: CN218555762U
Application number: CN202222262078.3U
Authority: CN
Inventors: 罗雨晨; 李继宇; 杨欣; 王�锋; 吴浩; 钟琪; 彭湃
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-03-03
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a tab cutting device, which comprises an upper cutter component and a lower cutter component, wherein the upper cutter component comprises a lifting plate, an upper cutter blade and a lifting driving piece, the upper cutter blade is arranged on the lifting plate, the lifting driving piece is connected with the lifting plate, and a cutting inclined plane is arranged on the upper cutter blade; the lower cutter component comprises a fixing plate and a lower cutter blade, the fixing plate is arranged below the lifting plate, the lower cutter blade is arranged on the fixing plate, a cutting plane is arranged on the lower cutter blade, and the lifting driving piece is used for driving the lifting plate to perform lifting motion on one side of the fixing plate so as to enable the upper cutter blade to be attached to or separated from the lower cutter blade. The utility model discloses a utmost point ear cutting device is through setting up cutter unit spare and lower cutter unit spare to can cut processing through last cutter piece and lower cutter piece to the utmost point ear of lithium cell package, replace artificial mode of cutting from this, make production efficiency obtain improving.

Description

Utmost point ear cutting device

Technical Field

The utility model relates to a battery manufacturing technology field especially relates to a utmost point ear cutting device.

Background

Before welding the tabs, the lithium ion Chi Xinbao needs to cut the redundant parts of the positive and negative tabs, so that the welded battery core package can be conveniently placed in a shell. The existing processing mode is to manually cut the redundant part of the pole lug by using scissors, and the existing processing mode has the following defects:

1. the manual shearing mode is adopted, the production efficiency is low, and the shearing precision is difficult to ensure, so that secondary shearing alignment operation is required in subsequent processing;

2. the scissors have limited strength and cannot adapt to cutting operation with more tab layers, for example, when the number of the tab layers of the battery core package reaches more than 90 layers, the tab is cut by the scissors and cannot be cut once, and the tab needs to be cut for multiple times, so that the flatness of the tab is different.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide one kind and can replace the manual work to carry out utmost point ear to the battery core package and cut processing, and can adapt to the more utmost point ear cutting device who cuts the operation of utmost point ear number of piles.

The purpose of the utility model is realized through the following technical scheme:

a tab cutting device comprising: the upper cutter assembly comprises a lifting plate, an upper cutter blade and a lifting driving piece, the upper cutter blade is arranged on the lifting plate, the lifting driving piece is connected with the lifting plate, and a cutting inclined plane is arranged on the upper cutter blade; the lower cutter assembly comprises a fixed plate and a lower cutter blade, the fixed plate is arranged below the lifting plate, the lower cutter blade is arranged on the fixed plate, a cutting plane is arranged on the lower cutter blade, and the lifting driving piece is used for driving the lifting plate to perform lifting motion on one side of the fixed plate so as to enable the upper cutter blade to be attached to or separated from the lower cutter blade.

In one embodiment, the lifting driving member comprises a positioning beam and a lifting cylinder, the lifting plate is arranged on the positioning beam, and the lifting cylinder is connected with the positioning beam.

In one embodiment, a side surface of the positioning beam away from the lifting plate is provided with a plurality of adjusting holes.

In one embodiment, the adjustment holes are threaded holes.

In one embodiment, the lifting plate is provided with a first limit end and a second limit end, and the cutting inclined plane is located between the first limit end and the second limit end.

In one embodiment, the upper cutting blade is a tungsten steel blade.

In one embodiment, the lower cutter assembly further comprises a workbench and an adjusting piece, the adjusting piece is arranged on the workbench, and the fixing plate is connected with the adjusting piece.

In one embodiment, the adjusting part comprises a first mounting block, a second mounting block and an adjusting transverse plate, the first mounting block and the second mounting block are respectively arranged on the workbench, one end of the adjusting transverse plate is connected with the first mounting block, the other end of the adjusting transverse plate is connected with the second mounting block, and the fixing plate is arranged on the adjusting transverse plate.

In one embodiment, a loading base plate is arranged on the workbench.

In one embodiment, a blanking channel is formed on the workbench, and the upper cutting blade is aligned with the blanking channel.

Compared with the prior art, the utility model discloses at least, following advantage has:

1. the utility model discloses a utmost point ear cutting device is through setting up upper cutter unit spare and lower cutter unit spare to can drive lifter plate and upper cutter piece through the lift driving piece and carry out the cutting motion, make upper cutter piece and lower cutter piece can mutually support and cut the processing to the utmost point ear of lithium cell package, replace artifical cutting mode from this, make production efficiency obtain improving;

2. the utility model discloses a utmost point ear cutting device cuts the inclined plane through setting up on last cutter blade for have sufficient shearing force when cutting the operation and cut off multilayer structure's utmost point ear, thereby can adapt to multilayer structure's utmost point ear cutting operation, and can guarantee the utmost point ear roughness after cutting.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below.

Fig. 1 is a schematic structural view of a tab cutting device according to an embodiment of the present invention;

fig. 2 is a schematic view of the tab cutting apparatus of fig. 1 from another perspective;

fig. 3 is a schematic structural view of an upper cutter assembly and a lower cutter assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a lifter plate and an upper blade according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. As shown in fig. 1, 2, 3 and 4 in combination, a tab cutting apparatus 10 includes: the upper cutter assembly 100 comprises a lifting plate 110, an upper cutter 120 and a lifting driving member 130, the upper cutter 120 is arranged on the lifting plate 110, the lifting driving member 130 is connected with the lifting plate 110, and a cutting inclined plane 121 is arranged on the upper cutter 120; the lower cutter assembly 200 includes a fixing plate 210 and a lower cutter 220, the fixing plate 210 is disposed below the lifting plate 110, the lower cutter 220 is disposed on the fixing plate, a cutting plane is disposed on the lower cutter 220, and the lifting driving member 130 is configured to drive the lifting plate 110 to perform lifting motion on one side of the fixing plate 210, so that the upper cutter 120 is attached to or separated from the lower cutter 220.

It should be noted that, the lithium battery package is placed on utmost point ear cutting station through artifical or corresponding manipulator for the utmost point ear of lithium battery package is located between last cutter unit 100 and lower cutter unit 200, at this moment, the utmost point ear of lithium battery package bears through the plane of cutting of lower cutter unit 220, and go up the relative setting in utmost point ear cutting position department of cutter unit 120 and lithium battery package, so, drive lifter plate 110 through lift driving piece 130 and carry out the descending movement, thereby can drive and go up cutter unit 120 and carry out the undercutting operation, the utmost point ear to lithium battery package cuts processing from this. Because the upper cutting blade 120 is provided with the cutting inclined plane 121, when the upper cutting blade 120 contacts with the cutting position of the lug, the stress point is firstly concentrated at one position of the lug, so that enough cutting force can be provided to cut off the lug with the multilayer structure, and the lug at the cutting position can be cut and separated along the cutting inclined plane 121, therefore, the cutting operation of the lug with the multilayer structure can be realized, the flatness of the cutting position of the lug can be ensured, and the production efficiency and the processing quality are improved. In the present embodiment, the upper blade 120 and the lower blade 220 are fixed to the lifting plate 110 and the fixing plate 210, respectively, by means of an insert, so that the strength of the overall structure can be improved, and the present invention can be applied to tab cutting processing of a multi-layer structure. The tab cutting device 10 of the present invention is provided with the upper cutter assembly 100 and the lower cutter assembly 200, so that the tab of the lithium battery pack can be cut by the upper cutter blade 120 and the lower cutter blade 220, thereby replacing a manual cutting mode and improving the production efficiency; meanwhile, the cutting inclined plane 121 is arranged on the upper cutting blade 120, so that enough shearing force is provided for cutting the lug of the multilayer structure during cutting operation, the lug cutting operation of the multilayer structure can be adapted, and the flatness of the cut lug can be ensured.

Referring to fig. 1 and fig. 2, in an embodiment, the lifting driving member 130 includes a positioning beam 131 and a lifting cylinder 132, the lifting plate 110 is disposed on the positioning beam 131, and the lifting cylinder 132 is connected to the positioning beam 131, so that the lifting cylinder 132 can drive the positioning beam 131 to perform a lifting motion, so that the lifting plate 110 can perform a lifting cutting operation; for another example, a plurality of adjusting holes 131a are formed in a side surface of the positioning beam 131, which is far away from the lifting plate 110, and the adjusting holes 131a are threaded holes, so that screw connectors such as screws or bolts can be used to connect the adjusting holes 131a, when the fitting degree of the upper blade 120 and the lower blade 220 needs to be adjusted, the screw connectors are rotated, so that one ends of the screw connectors are supported against the lifting plate 110, the upper blade 120 is supported against the lower blade 220, and therefore the tab cutting operation with different layers can be adapted.

Referring to fig. 3 and 4, in an embodiment, the lifting plate 110 is provided with a first limiting end 111 and a second limiting end 112, and the cutting inclined plane 121 is located between the first limiting end 111 and the second limiting end 112, so that the position of the cut tab can be limited by the first limiting end 111 and the second limiting end 112, and the cutting precision is higher; for another example, the upper cutting blade 120 and the lower cutting blade 220 are both made of tungsten steel, so that the overall structural strength can be improved, and the upper cutting blade 120 and the lower cutting blade 220 can adapt to tab cutting operation with a multi-layer structure.

In one embodiment, referring to fig. 1 and fig. 2 again, the lower cutter assembly 200 further includes a worktable 230 and an adjusting member 240, the adjusting member 240 is disposed on the worktable 230, and the fixing plate 210 is connected to the adjusting member 240; further, the adjusting member 240 includes a first mounting block 241, a second mounting block 242 and an adjusting transverse plate 243, the first mounting block 241 and the second mounting block 242 are respectively disposed on the workbench 230, one end of the adjusting transverse plate 243 is connected to the first mounting block 241, the other end of the adjusting transverse plate 243 is connected to the second mounting block 242, and the fixing plate 210 is disposed on the adjusting transverse plate 243.

The fixing plate 210 is disposed on the adjusting transverse plate 243, so that the position of the fixing plate 210 can be adjusted by the adjusting transverse plate 243. Specifically, threaded holes for connection are respectively formed in the adjusting transverse plate 243, the first mounting block 241 and the second mounting block 242, so that one end of the adjusting transverse plate 243 is connected with the first mounting block 241 through a screw connector, the other end of the adjusting transverse plate 243 is also connected with the second mounting block 242 through a screw connector, when the fitting degree of the upper cutting blade 120 and the lower cutting blade 220 needs to be adjusted, the screw connectors at the two ends of the adjusting transverse plate 243 are rotated, so that the adjusting transverse plate 243 can drive the fixing plate 210 to perform fine adjustment operation in the direction of the fitting lifting plate 110, and accordingly, the fitting degree adjustment operation of the upper cutting blade 120 and the lower cutting blade 220 is achieved, and the tab cutting operation with different layers can be adapted.

As shown in fig. 1, in an embodiment, a loading backing plate 231 is disposed on the worktable 230, so that a lithium battery pack can be loaded through the loading backing plate 231, and the loading backing plate 231 can be adaptively replaced according to lithium battery packs with different thicknesses, thereby being capable of adapting to tab cutting operations of lithium battery packs with different specifications; if the blanking channel 232 is formed in the workbench 230, the upper blade 120 is aligned with the blanking channel 232, so that the waste materials of the cut tab can be collected through the blanking channel 232, and the overall tab cutting operation is more convenient.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a utmost point ear cutting device which characterized in that includes:

the upper cutter assembly comprises a lifting plate, an upper cutter blade and a lifting driving piece, the upper cutter blade is arranged on the lifting plate, the lifting driving piece is connected with the lifting plate, and a cutting inclined plane is arranged on the upper cutter blade; and

the lower cutter assembly comprises a fixed plate and a lower cutter blade, the fixed plate is arranged below the lifting plate, the lower cutter blade is arranged on the fixed plate, a cutting plane is arranged on the lower cutter blade, and the lifting driving piece is used for driving the lifting plate to perform lifting motion on one side of the fixed plate so as to enable the upper cutter blade to be attached to or separated from the lower cutter blade.

2. The tab cutting device as claimed in claim 1, wherein the lifting driving member comprises a positioning beam and a lifting cylinder, the lifting plate is disposed on the positioning beam, and the lifting cylinder is connected to the positioning beam.

3. The tab cutting device as claimed in claim 2, wherein a plurality of adjustment holes are formed in a side of the positioning beam away from the lifting plate.

4. The tab cutting apparatus as claimed in claim 3 wherein the adjustment holes are threaded holes.

5. The tab cutting device as claimed in any one of claims 1-4, wherein the lifting plate is provided with a first limit end and a second limit end, and the cutting slope is located between the first limit end and the second limit end.

6. The tab cutting device as claimed in any one of claims 1-4, wherein the upper cutting blade is a tungsten steel blade.

7. The tab cutting apparatus as claimed in any one of claims 1-4, wherein the lower cutter assembly further comprises a worktable and an adjusting member, the adjusting member is disposed on the worktable, and the fixing plate is connected with the adjusting member.

8. The tab cutting device as claimed in claim 7, wherein the adjusting member comprises a first mounting block, a second mounting block and an adjusting transverse plate, the first mounting block and the second mounting block are respectively disposed on the worktable, one end of the adjusting transverse plate is connected to the first mounting block, the other end of the adjusting transverse plate is connected to the second mounting block, and the fixing plate is disposed on the adjusting transverse plate.

9. The tab cutting apparatus as claimed in claim 7, wherein a loading pad is disposed on the table.

10. The tab cutting device as claimed in claim 7, wherein the worktable has a blanking channel, and the upper cutting blade is aligned with the blanking channel.