CN220094710U - Cutting device of composite current collector - Google Patents
Cutting device of composite current collector Download PDFInfo
- Publication number
- CN220094710U CN220094710U CN202321474422.3U CN202321474422U CN220094710U CN 220094710 U CN220094710 U CN 220094710U CN 202321474422 U CN202321474422 U CN 202321474422U CN 220094710 U CN220094710 U CN 220094710U
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- CN
- China
- Prior art keywords
- blade
- cutter
- lower cutter
- substrate
- cutter assembly
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- 238000005520 cutting process Methods 0.000 title claims abstract description 39
- 239000002131 composite material Substances 0.000 title abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Shearing Machines (AREA)
Abstract
The utility model discloses a cutting device of a composite current collector, which comprises a frame, wherein an upper cutter assembly and a lower cutter assembly which are matched for use are arranged on the frame, and the lower cutter assembly is positioned below the upper cutter assembly; the upper cutter assembly comprises an upper cutter base capable of moving along the width direction of the product under the action of a first driving piece, and an upper cutter blade capable of rotating under the action of a second driving piece is arranged on the upper cutter base; the lower cutter assembly comprises a lower cutter substrate, the lower end of the lower cutter substrate is connected with the frame through an elastic piece, and the upper end of the lower cutter substrate is provided with a lower cutter blade; wherein, the upper end blade of lower blade is plane form, and the lower extreme blade of upper blade is the inclined plane form, and when the lower extreme blade of upper blade supports to the upper end blade of lower blade on, the elastic component is compressed state. The cutting device can effectively reduce cutting burrs and improve the use safety of the battery.
Description
Technical Field
The utility model relates to the technical field of composite current collector processing, in particular to a cutting device of a composite current collector.
Background
In lithium batteries, the composite current collector is formed by compounding a metal foil (such as a copper foil, an aluminum foil or a metal layer) and a polymer base film, and is a novel current collector material with the most potential of the lithium ion battery due to high safety and good conductivity. In the production process of the composite current collector, a cutting device is required to be used for slitting and cutting the composite current collector, and then winding and forming are carried out. However, in the process of cutting the composite current collector, burrs are easily formed on the cutting section due to the shearing action of the upper cutter and the lower cutter, and when the burrs are too large, the separator is pierced in the battery core, so that the positive electrode and the negative electrode of the battery are short-circuited, and potential safety hazards are caused.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide the cutting device of the composite current collector, which can effectively reduce cutting burrs and improve the use safety of a battery.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a cutting device of a composite current collector comprises
The machine frame is provided with an upper cutter assembly and a lower cutter assembly which are matched for use, and the lower cutter assembly is positioned below the upper cutter assembly;
the upper cutter assembly comprises an upper cutter base capable of moving along the width direction of a product under the action of a first driving piece, and an upper cutter blade capable of rotating under the action of a second driving piece is arranged on the upper cutter base;
the lower cutter assembly comprises a lower cutter substrate, the lower end of the lower cutter substrate is connected with the rack through an elastic piece, and the upper end of the lower cutter substrate is provided with a lower cutter blade;
the upper end cutting edge of the lower blade is planar, the lower end cutting edge of the upper blade is inclined, and when the lower end cutting edge of the upper blade is abutted to the upper end cutting edge of the lower blade, the elastic piece is in a compressed state.
The utility model has the beneficial effects that:
in the upper cutter assembly, the upper cutter base is driven to move by a first driving piece, so that the upper cutter can be driven to move, and the slitting width of the composite current collector is adjusted; the upper blade is driven to rotate by the second driving piece so as to realize the cutting action on the composite current collector; when the composite current collector is positioned between the upper blade and the lower blade, the upper blade and the lower blade can be elastically attached due to the action of the elastic piece, so that cutting burrs caused by abrasion of the upper blade or the lower blade can be effectively reduced; and the lower end cutting edge of the upper blade is set to be inclined, so that the resistance between the upper blade and the composite current collector is reduced when the upper blade rotates and cuts, the burr phenomenon of the cutting section can be effectively reduced, and the use safety of the battery is improved.
Further, the frame comprises two stand frames which are oppositely arranged, and the upper ends of the two stand frames are connected with a top plate together. The vertical frame is provided with a through groove for installing the elastic piece.
Further, the elastic element comprises springs distributed along the vertical direction, and two ends of each spring are respectively connected with the lower cutter base plate and the through groove. The elastic movement of the lower cutter substrate is realized through the arrangement of the springs.
Furthermore, the elastic piece further comprises a guide rod for sleeving the spring, the guide rod penetrates through the lower cutter substrate, and two ends of the guide rod are fixedly connected in the through groove respectively. The guide rod is arranged to guide the movement of the lower cutter substrate and limit the compression direction of the spring.
Further, the first driving piece comprises a screw rod arranged on the frame along the width direction of the product, and one end of the screw rod is connected with a first motor arranged on the frame. The screw rod is also sleeved with a nut seat fixedly connected with the upper cutter base through threads. The rotary motion of the screw rod can be converted into the linear motion of the nut seat through the cooperation of the motor I, the screw rod and the nut seat, so as to drive the linear motion of the upper cutter base.
Further, a guide part is further arranged on the top plate, the guide part comprises a first sliding rail arranged along the width direction of the product, and a first sliding block fixedly connected with the nut seat is arranged on the first sliding rail in a sliding manner. The linear motion of the nut seat can be guided through the matching of the first sliding rail and the first sliding block.
Furthermore, the second driving piece comprises a synchronous pulley assembly capable of running under the action of a second motor, the synchronous pulley assembly comprises a driving wheel, a driven wheel and a synchronous belt, the driving wheel is connected with the second motor, the driven wheel is connected with the upper blade, and the synchronous belt is wound on the driving wheel and the driven wheel in a closed loop. The stability of the rotation of the upper blade can be improved through the arrangement of the synchronous pulley assembly.
Further, a second slide rail parallel to the first slide rail is further arranged on the top plate, a second slide block for installing the second motor is slidably arranged on the second slide rail, and the second slide block is fixedly connected with the first slide block through a connecting plate. The synchronous sliding of the second sliding block and the first sliding block is realized through the arrangement of the second sliding rail, the second sliding block and the connecting plate, and further the effective driving of the second driving piece on the upper blade in the process that the upper blade base moves in the width direction of the product is guaranteed.
Drawings
FIG. 1 is a schematic diagram of a cutting device according to an embodiment of the present utility model;
FIG. 2 is a schematic structural view of an elastic member according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a second driving member according to an embodiment of the present utility model.
In the figure:
1-a frame; 11-a vertical frame; 111-through grooves; 12-top plate;
21-an upper cutter base; 22-upper blade; 23-screw rod; 24-motor number one; 25-a nut seat; 26-a guide;
a motor No. 27; 28-a timing belt assembly; 29-number two slide block;
31-a lower cutter substrate; 32-lower blade; 33-a spring; 34-guide bar.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Examples
Referring to fig. 1-3, the cutting device of the composite current collector comprises a frame 1, wherein an upper cutter assembly and a lower cutter assembly which are matched with each other are arranged on the frame 1, and the lower cutter assembly is positioned below the upper cutter assembly. The upper cutter assembly comprises an upper cutter base 21 which can move along the width direction of the product under the action of a first driving piece, and an upper cutter 22 which can rotate under the action of a second driving piece is arranged on the upper cutter base 21. The lower knife assembly comprises a lower knife base plate 31, the lower end of the lower knife base plate 31 is connected with the frame 1 through an elastic piece, and the upper end is provided with a lower knife blade 32.
Wherein, the upper end blade of the lower blade 32 is planar, the lower end blade of the upper blade 22 is beveled, and the elastic member is compressed when the lower end blade of the upper blade 22 is abutted to the upper end blade of the lower blade 32.
In the upper cutter assembly, the upper cutter base 21 is driven to move by a first driving piece, so that the upper cutter blade 22 can be driven to move, and the slitting width of the composite current collector is adjusted; the upper blade 22 is driven to rotate by the second driving piece so as to realize the cutting action on the composite current collector; the lower end cutting edge of the upper blade 22 is set to be inclined, so that the resistance between the upper blade 22 and the composite current collector is reduced when the upper blade is rotated and cut, the burr phenomenon of the cutting section can be effectively reduced, and the use safety of the battery is improved; when the composite current collector is located between the upper blade 22 and the lower blade 32, the upper blade 22 and the lower blade 32 can be elastically attached due to the action of the elastic piece, so that cutting burrs caused by abrasion of the upper blade 22 or the lower blade 32 can be effectively reduced.
Specifically, the frame 1 includes two opposite uprights 11, and top plates 12 are connected to the upper ends of the two uprights 11. The stand 11 is provided with a through groove 111 for installing the elastic member. The frame 1 is in a door-shaped structure through the arrangement of the two vertical frames 11 and the top plate 12, so that the stability of the frame 1 is facilitated.
In some embodiments, referring to fig. 2, the elastic member includes a spring 33 disposed in a vertical direction, and both ends of the spring 33 are respectively connected to the lower blade substrate 31 and the through groove 111. Further, the elastic member further includes a guide rod 34 sleeved by the spring 33, the guide rod 34 penetrates through the lower blade substrate 31, and two ends of the guide rod are respectively and fixedly connected in the through groove 111.
It can be understood that in the present embodiment, two elastic members are disposed in the two through slots 111, and two ends of the lower blade substrate 31 extend into the two through slots 111, so that the guide rods 34 of the two elastic members can penetrate through two ends of the lower blade substrate 31. When the composite current collector needs to be cut, the lower cutter substrate 31 is pressed down, so that a space for the composite current collector to pass through can be reserved between the upper blade 22 and the lower blade 32, and at the moment, the spring 33 is compressed; then, the lower blade substrate 31 is released, and the lower blade substrate 31 is restored upward by the spring 33, so that the lower blade 32 is elastically abutted against the composite current collector. The elastic movement of the lower blade substrate 31 is achieved by the arrangement of the springs 33, and the movement of the lower blade substrate 31 is guided by the arrangement of the guide rods 34 while the compression direction of the springs 33 is also defined.
In some embodiments, referring to fig. 1 and 3, the first driving member includes a screw 23 mounted on the frame 1 in a product width direction, and one end of the screw 23 is connected to a first motor 24 mounted on the frame 1. The screw rod 23 is also sleeved with a nut seat 25 fixedly connected with the upper cutter base 21 in a threaded manner. The top plate 1 is also provided with a guide part 26, the guide part 26 comprises a first slide rail which is arranged along the width direction of the product, and a first slide block fixedly connected with the nut seat 25 is arranged on the first slide rail in a sliding manner.
The first motor 24 is started, the screw rod 23 rotates, and the nut seat 25 moves linearly along the screw rod 23 due to the limit of the guide part 26, so that the first sliding block is driven to slide along the first sliding rail. The rotary motion of the screw rod 23 can be converted into the linear motion of the nut seat 25 through the cooperation of the first motor 24, the screw rod 23 and the nut seat 25, so as to drive the linear motion of the upper cutter base 21. The linear motion of the nut seat 25 can be guided by the cooperation of the first slide rail and the first slide block.
In some embodiments, referring to fig. 3, the second driving member includes a synchronous pulley assembly 28 that can operate under the action of a second motor 27, where the synchronous pulley assembly 28 includes a driving wheel, a driven wheel, and a synchronous belt, the driving wheel is connected to the second motor 27, the driven wheel is connected to the upper blade 22, and the synchronous belt is wound on the driving wheel and the driven wheel in a closed loop. The stability of the rotation of the upper blade 22 can be enhanced by the provision of the timing pulley assembly 28.
Further, a second slide rail parallel to the first slide rail is further arranged on the top plate 12, a second slide block 29 for installing a second motor is slidably arranged on the second slide rail, and the second slide block 29 is fixedly connected with the first slide block through a connecting plate. The synchronous sliding of the second sliding block and the first sliding block is realized through the second sliding rail, the second sliding block 29 and the connecting plate, and further effective driving of the second driving piece on the upper blade 22 in the process that the upper blade base 21 moves in the width direction of the product is guaranteed.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a cutting device of compound current collector which characterized in that: comprising
The machine frame is provided with an upper cutter assembly and a lower cutter assembly which are matched for use, and the lower cutter assembly is positioned below the upper cutter assembly;
the upper cutter assembly comprises an upper cutter base capable of moving along the width direction of a product under the action of a first driving piece, and an upper cutter blade capable of rotating under the action of a second driving piece is arranged on the upper cutter base;
the lower cutter assembly comprises a lower cutter substrate, the lower end of the lower cutter substrate is connected with the rack through an elastic piece, and the upper end of the lower cutter substrate is provided with a lower cutter blade;
the upper end cutting edge of the lower blade is planar, the lower end cutting edge of the upper blade is inclined, and when the lower end cutting edge of the upper blade is abutted to the upper end cutting edge of the lower blade, the elastic piece is in a compressed state.
2. The cutting apparatus according to claim 1, wherein: the rack comprises two stand frames which are oppositely arranged, and the upper ends of the two stand frames are commonly connected with a top plate; the vertical frame is provided with a through groove for installing the elastic piece.
3. The cutting apparatus according to claim 2, wherein: the elastic piece comprises a spring which is distributed along the vertical direction, and two ends of the spring are respectively connected with the lower cutter substrate and the through groove.
4. A cutting apparatus according to claim 3, wherein: the elastic piece further comprises a guide rod for sleeving the spring, the guide rod penetrates through the lower cutter substrate, and two ends of the guide rod are fixedly connected in the through groove respectively.
5. The cutting apparatus according to any one of claims 2 to 4, wherein: the first driving piece comprises a screw rod arranged on the frame along the width direction of the product, and one end of the screw rod is connected with a first motor arranged on the frame; the screw rod is also sleeved with a nut seat fixedly connected with the upper cutter base through threads.
6. The cutting apparatus according to claim 5, wherein: the nut seat is characterized in that a guide part is further arranged on the top plate, the guide part comprises a first sliding rail arranged along the width direction of the product, and a first sliding block fixedly connected with the nut seat is arranged on the first sliding rail in a sliding manner.
7. The cutting apparatus as set forth in claim 6, wherein: the second driving piece comprises a synchronous pulley assembly capable of running under the action of a second motor, the synchronous pulley assembly comprises a driving wheel, a driven wheel and a synchronous belt, the driving wheel is connected with the second motor, the driven wheel is connected with the upper blade, and the synchronous belt is wound on the driving wheel and the driven wheel in a closed loop.
8. The cutting apparatus according to claim 7, wherein: the top plate is also provided with a second sliding rail which is arranged in parallel with the first sliding rail, the second sliding rail is provided with a second sliding block which is used for installing the second motor in a sliding manner, and the second sliding block is fixedly connected with the first sliding block through a connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474422.3U CN220094710U (en) | 2023-06-09 | 2023-06-09 | Cutting device of composite current collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474422.3U CN220094710U (en) | 2023-06-09 | 2023-06-09 | Cutting device of composite current collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220094710U true CN220094710U (en) | 2023-11-28 |
Family
ID=88849304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321474422.3U Active CN220094710U (en) | 2023-06-09 | 2023-06-09 | Cutting device of composite current collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220094710U (en) |
-
2023
- 2023-06-09 CN CN202321474422.3U patent/CN220094710U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |