CN216705631U - Pole piece die cutting equipment - Google Patents
Pole piece die cutting equipment Download PDFInfo
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- CN216705631U CN216705631U CN202122918403.2U CN202122918403U CN216705631U CN 216705631 U CN216705631 U CN 216705631U CN 202122918403 U CN202122918403 U CN 202122918403U CN 216705631 U CN216705631 U CN 216705631U
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- pole piece
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Abstract
The application relates to the technical field of lithium battery production, in particular to a pole piece die cutting device which comprises a traction assembly for conveying a pole piece and a plurality of groups of die cutting assemblies arranged along the conveying direction of the pole piece, wherein the die cutting assemblies are symmetrically arranged on two sides of the pole piece; the die cutting assembly is connected with a cutting driving assembly for driving the die cutting assembly to be punched on two sides of the pole piece; the die-cutting machine further comprises a position adjusting assembly for adjusting the distance between two adjacent groups of die-cutting assemblies. The die-cut shaping of a plurality of V type angles is accomplished simultaneously on the pole piece through a plurality of groups of die-cutting subassemblies, improves production efficiency greatly, adjusts the distance between the die-cutting subassembly through the position control subassembly, and then realizes adjusting the distance between two adjacent V type angles when die-cut, and compatible not unidimensional pole piece production improves the position precision, ensures cutting quality, improves production efficiency.
Description
Technical Field
The application relates to the technical field of lithium battery production, in particular to pole piece die cutting equipment.
Background
In the production process of the lithium battery, after the battery pole piece is subjected to the pole lug cutting process, the pole piece needs to be subjected to V-angle forming so as to prevent the pole piece from falling powder and puncturing a diaphragm.
Adopt the board of single sharp V angle to process the utmost point piece among the prior art, this production mode can not carry out a plurality of V angles simultaneous forming to the utmost point piece, when the shaping interval between every V angle of needs adjustment, the action frequency of the board that needs adjustment, complex operation, production efficiency is low, and cross cutting quality is not good, influences the production efficiency and the production quality of battery, reduces the productivity effect of enterprise.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the application provides a pole piece die cutting device which comprises a traction assembly for conveying a pole piece and a plurality of groups of die cutting assemblies arranged along the conveying direction of the pole piece, wherein the die cutting assemblies are symmetrically arranged on two sides of the pole piece; the die cutting assembly is connected with a cutting driving assembly for driving the die cutting assembly to be punched on two sides of the pole piece; the die-cutting machine further comprises a position adjusting assembly for adjusting the distance between two adjacent groups of die-cutting assemblies. The die-cut shaping of a plurality of V type angles is accomplished simultaneously on the pole piece through a plurality of groups of die-cutting subassemblies, improves production efficiency greatly, adjusts the distance of cross-cutting subassembly through the position control subassembly, and then realizes adjusting the distance between two adjacent V type angles when die-cut, improves the position precision, ensures the cutting quality, improves production efficiency and production quality.
Preferably, the die cutting assembly comprises a conveying roller for bearing a pole piece, supporting platforms which are respectively arranged at two ends of the conveying roller and used for supporting the pole piece, and a lifting platform connected to the cutting driving assembly; the lifting platform is provided with a cutter facing the supporting platform, and a die hole for inserting the cutter is formed in the supporting platform. And then drive lift platform through cutting drive assembly and move towards supporting platform for the cutter imbeds in supporting platform's the nib, and then accomplishes the cutting V type angle to the side of pole piece, guarantees the cutting quality.
Preferably, the bearing surface of the roller is higher than the supporting surface of the supporting platform, so that the pole piece can not touch the supporting platform in the transportation process of the roller, and the pole piece is prevented from being damaged.
Preferably, the supporting platform is provided with a guide post in sliding connection with the lifting platform, and the guide post is sleeved with an elastic piece connected with the lifting platform. Buffering lift platform through the elastic component, avoiding strikeing too big die-cut position inaccuracy that causes, further guarantee cutting quality.
Preferably, the cutting driving assembly comprises a supporting rod connected to the die cutting assembly, a connecting block in transmission connection with the supporting rod, and a lifting driving assembly for driving the connecting block to lift. And then drive the bracing piece through the connecting block and go up and down, the bracing piece is connected in the lift platform of cross cutting subassembly to reach the purpose that drive lift platform goes up and down, realize that the drive cutter inlays in order to accomplish cutting V type angle in the nib.
Preferably, the connecting block is provided with a boss extending towards the support rod, and the support rod is provided with roller bearings which are distributed along the moving direction of the connecting block and clamped on the boss. The roller bearing is clamped on the top surface and the bottom surface of the boss, and then the supporting rod is driven to lift through driving the connecting block to lift, so that the purpose of driving the lifting platform is achieved.
Preferably, the position adjusting assembly comprises a first mounting plate, a second mounting plate used for mounting the die cutting assembly, and a first driving assembly arranged on the first mounting plate, and the first driving assembly drives the second mounting plate to move along the pole piece conveying direction. And then adjust the interval between two sets of adjacent cross cutting subassemblies, and then can adjust the distance between the die-cut time V type angle, satisfy the demand of production, ensure cutting quality.
Preferably, a sliding plate for mounting the die cutting assembly and a second driving assembly connected with the sliding plate are respectively arranged at two ends of the second mounting plate; the second driving assembly drives the sliding plate to move perpendicular to the conveying direction of the pole piece. Through the distance between the two sets of slides of adjustment, and then realize the die-cut V type angle of the pole piece of different width, improve equipment compatibility, conveniently produce the pole piece of different models, improve production efficiency, reduce cost.
Preferably, the traction assembly comprises a driving roller and a driving roller which are oppositely arranged and transmit the pole piece, a rotary driving assembly connected to the driving roller, and a detection assembly for detecting the pole piece. The pole pieces are conveyed through the driving roller and the driving roller, and conveying efficiency is guaranteed. Meanwhile, the pole piece after the V-shaped angle punching is completed is detected by arranging the detection assembly.
Preferably, the traction assembly is provided with a guide plate for guiding the pole piece at the outlet of the pole piece. The guide plate is designed with a downward slope, and the direction of the pole piece moving is changed by arranging the guide plate at the outlet, so that the pole piece can move downwards, and the pole piece can enter the next station more favorably.
Compared with the prior art, the beneficial effects of this application are: the utility model has the advantages that the traction component for conveying the pole piece and the die cutting components arranged along the conveying direction of the pole piece are arranged, the die cutting components are symmetrically arranged on two sides of the pole piece, so as to simultaneously punch and form V-shaped angles on the two sides of the pole piece, the die cutting components are connected with the cutting driving components, the die cutting components are driven by the cutting driving components to punch on the two sides of the pole piece, so as to complete the punching of the V-shaped angles on the pole piece, the punching and forming of a plurality of V-shaped angles are simultaneously completed by the die cutting components, the production efficiency is greatly improved, the utility model also comprises the position adjusting component for adjusting the distance between the two adjacent groups of die cutting components, the distance between the two adjacent V-shaped angles can be adjusted by the position adjusting component, the production of the pole pieces with different sizes can be realized, the position precision is improved, the cutting quality is ensured, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present application or the prior art will be briefly described below. It should be apparent that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained by those skilled in the art without inventive exercise.
FIG. 1 is a schematic structural diagram of a pole piece die cutting device according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a die cutting assembly of the pole piece die cutting equipment according to the embodiment of the application;
FIG. 3 is a structural diagram of a die cutting assembly of the die cutting equipment for pole pieces according to the embodiment of the application;
FIG. 4 is a block diagram of a cutting drive assembly of the pole piece die cutting apparatus according to an embodiment of the present application;
FIG. 5 is a structural diagram of a position adjusting assembly of the pole piece die cutting equipment according to the embodiment of the application;
FIG. 6 is a schematic drawing of a pole piece die cutting apparatus pulling assembly according to an embodiment of the present application;
fig. 7 is a drawing assembly structure diagram of a pole piece die cutting device according to an embodiment of the application.
Reference numerals
10. A traction assembly; 11. a driving roller; 12. a drive roll; 13. a rotary drive assembly; 14. a detection component; 15. a guide plate; 20. a die cutting assembly; 21. a support platform; 211. a die hole; 212. a guide post; 213. an elastic member; 22. a lifting platform; 23. a cutter; 24. conveying the mixture through a roller; 30. a die cutting assembly; 31. a lift drive assembly; 32. a support bar; 321. a roller bearing; 33. connecting blocks; 331. a boss; 40. a position adjustment assembly; 41. a first mounting plate; 42. a first drive assembly; 43. a second mounting plate; 44. a slide plate; 45. a second drive assembly.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the application. That is, in some embodiments of the present application, such practical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
It should be noted that all the directional indications such as up, down, left, right, front and rear … … in the embodiment of the present application are only used to explain the relative positional relationship, movement, etc. between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in this application are for descriptive purposes only, not specifically referring to the order or sequence, nor are they intended to limit the application, but merely to distinguish components or operations described in the same technical terms, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
For further understanding of the contents, features and functions of the present invention, the following embodiments are exemplified in conjunction with the accompanying drawings and the following detailed description:
in order to solve the above technical problem, the present embodiment provides a pole piece die cutting device, as shown in fig. 1, including a drawing assembly 10 for conveying a pole piece, and a plurality of sets of die cutting assemblies 20 arranged along a conveying direction of the pole piece, the plurality of sets of die cutting assemblies 20 are arranged along the conveying direction of the pole piece, and the die cutting assemblies 20 are symmetrically arranged on two sides of the pole piece, so as to simultaneously die cut and form V-shaped corners on two sides of the pole piece, the die cutting assemblies 20 are connected with a cutting driving assembly 30, the cutting driving assembly 30 drives the die cutting assemblies 20 to die-cut on two sides of the pole piece, so as to complete die cutting of the V-shaped corners on the pole piece, the plurality of sets of die cutting assemblies 20 are used to simultaneously complete die cutting and forming of a plurality of V-shaped corners on the pole piece, so as to greatly improve production efficiency, the device further includes a position adjusting assembly 40 for adjusting a distance between two adjacent sets of die cutting assemblies 20, the distance of the die cutting assemblies 20 is adjusted by the position adjusting assembly 40, and then realize the distance between two adjacent V type angles when adjusting die-cut, improve the position accuracy, ensure cutting quality, improve production efficiency and production quality.
Specifically, as shown in fig. 2-3, the die cutting assembly 20 includes a conveying roller 24 for bearing the pole piece, a supporting platform 21 disposed at two ends of the conveying roller 24 and used for supporting the pole piece, and a lifting platform 22 connected to the cutting driving assembly 30, a cutter 23 facing the supporting platform 21 is disposed at a bottom surface of the lifting platform 22, a die hole 211 for inserting the cutter 23 is formed in the supporting platform 21, when the traction assembly 10 conveys the pole piece, the pole piece is supported by the conveying roller 24, the supporting platform 21 is disposed at two ends of the conveying roller 24 and supported at two sides of the pole piece, and the lifting platform 22 is driven by the cutting driving assembly 30 to move toward the supporting platform 21, so that the cutter 23 is embedded into the die hole 211 of the supporting platform 21, and then the cutting V-shaped angle is completed to the side edge of the pole piece, thereby ensuring the cutting quality.
Wherein, in order to prevent that the in-process of pole piece transportation from touching supporting platform 21's both ends, the bearing surface that conveys roller 24 is higher than supporting platform 21's holding surface, and then realize that the pole piece can not touch supporting platform in the transportation that conveys roller 24, prevent to cause the damage to the pole piece, when cutter 23 acts on the pole piece, the pole piece contacts on supporting platform 21, support the pole piece through supporting platform 21, realize in the cutter 23 embedding nib 211 to pole piece cutting V type angle, guarantee the processingquality of pole piece.
Further, as shown in fig. 3, the supporting platform 21 is provided with a guiding post 212 slidably connected to the lifting platform 22, and the guiding post 212 is sleeved with an elastic member 213 connected to the lifting platform 22. When cutting drive assembly 30 drive lift platform 22 and move towards supporting platform 21, cushion lift platform 22 through elastic component 213, avoid strikeing too big and cause die-cut position inaccurate, further guarantee cutting quality.
In order to drive the cutting knife 23 to be inserted into the die hole 211 to complete the cutting of the V-shaped corner, as shown in fig. 4, the cutting driving assembly 30 includes a supporting rod 32 connected to the die cutting assembly 20, a connecting block 33 in transmission connection with the supporting rod 32, and a lifting driving assembly 31 for driving the connecting block 33 to lift up and down. The lifting driving assembly 31 comprises a motor and a ball screw, a bearing connected with the ball screw is arranged in the connecting block 33, the ball screw is driven to rotate by the motor, the connecting block 33 is driven to lift, the connecting block 33 is connected with the supporting rod 32, the supporting rod 32 is driven to lift by the connecting block 33, the supporting rod 32 is connected to the lifting platform 22 of the die cutting assembly 20, the purpose of lifting the lifting platform 22 is achieved, and the driving cutter 23 is embedded into the die hole 211 to complete cutting of V-shaped angles.
Furthermore, in order to realize the transmission connection between the connection block 33 and the support rod 32, a boss 331 extending toward the support rod 32 is formed on the side surface of the connection block 33 facing the support rod 32, the boss 331 extends horizontally, and the support rod 32 is provided with two sets of roller bearings 321 distributed along the moving direction of the connection block 33 and clamped on the boss 331. The two sets of roller bearings 321 are clamped on the top and bottom surfaces of the boss 331, and then the support rod 32 is driven to lift by driving the connecting block 33 to lift, so as to drive the lifting platform 22.
In order to realize the adjustment of the spacing between the die-cutting assemblies 20, as shown in fig. 5, the position adjusting assembly 40 includes a first mounting plate 41, a second mounting plate 43 for mounting the die-cutting assemblies 20, and a first driving assembly 42 disposed on the first mounting plate 41, wherein the first driving assembly 42 is in a motor screw structure, and the first driving assembly 42 drives the second mounting plate 43 to move along the pole piece conveying direction, so as to adjust the spacing between two adjacent sets of die-cutting assemblies 20. And then can adjust the distance between the V type angle when die-cut, satisfy the demand of production, ensure cutting quality.
Further, both ends of second mounting panel 43 are provided with slide 44 respectively, slide 44 is used for installing cross cutting assembly 20, and then realize the die-cut V type angle simultaneously to the pole piece both sides, the efficiency of production is improved, set up second drive assembly 45 on second mounting panel 43, wherein first drive assembly 42 is motor screw structure, the direction of delivery through second drive assembly 45 drive slide 44 perpendicular to pole piece removes, through adjusting the distance between two sets of slides 44, and then realize the die-cut V type angle of pole piece to different width, improve equipment compatibility, conveniently produce the pole piece of different models, and the production efficiency is improved, and the cost is reduced.
As shown in fig. 6-7, the drawing assembly 10 includes a driving roller 11 and a driving roller 12 which are oppositely disposed and convey the pole pieces, a rotary driving assembly 13 connected to the driving roller 12, and a detecting assembly 14 for detecting the pole pieces. The rotary driving assembly 13 is a motor, drives the driving roller 12 to rotate through the rotary driving assembly 13, and then drives the driving roller 11 to rotate, and the transmission efficiency is ensured by realizing the transmission of the pole piece through the driving roller 11 and the driving roller 12. Meanwhile, the pole piece after the V-shaped angle punching is completed is detected by arranging the detection assembly 14, the detection assembly 14 is a correlation optical fiber sensor, the pole piece is further ensured to be cut in place, the problem of missed cutting is prevented, and the production quality of the pole piece is ensured. Further, a guide plate 15 for guiding the pole piece is arranged at the exit of the pole piece of the traction assembly 10. The guide plate 15 is designed with a downward slope, and the direction of the pole piece moving is changed by arranging the guide plate 15 at the outlet, so that the pole piece can move downwards, and the pole piece can enter the next station more favorably.
In summary, in one or more embodiments of the present invention, the present application provides a drawing assembly for conveying a pole piece, and a plurality of die cutting assemblies disposed along a conveying direction of the pole piece, wherein the plurality of die cutting assemblies are arranged along the conveying direction of the pole piece, and are symmetrically disposed on two sides of the pole piece, so as to simultaneously perform die cutting on two sides of the pole piece to form V-shaped corners, the die cutting assemblies are connected to a cutting driving assembly, the cutting driving assembly drives the die cutting assemblies to die cut on two sides of the pole piece, so as to complete die cutting of the V-shaped corners on the pole piece, and the plurality of die cutting assemblies simultaneously complete die cutting of a plurality of V-shaped corners on the pole piece, thereby greatly improving production efficiency, and further comprising a position adjusting assembly for adjusting a distance between two adjacent die cutting assemblies, and the position adjusting assembly adjusts a distance between two adjacent V-shaped corners during die cutting, compatible not unidimensional pole piece production, improve the position precision, ensure cutting quality, improve production efficiency.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (10)
1. The utility model provides a pole piece cross cutting equipment which characterized in that: the device comprises a traction assembly (10) for conveying pole pieces and a plurality of groups of die cutting assemblies (20) arranged along the conveying direction of the pole pieces, wherein the die cutting assemblies (20) are symmetrically arranged on two sides of the pole pieces; the die cutting assembly (20) is connected with a cutting driving assembly (30) which is used for driving the die cutting assembly (20) to cut the two sides of the pole piece; the die-cutting machine further comprises a position adjusting assembly (40) for adjusting the distance between two adjacent groups of die-cutting assemblies (20).
2. The pole piece die cutting apparatus of claim 1 wherein: the die cutting assembly (20) comprises a conveying roller (24) for bearing the pole pieces, supporting platforms (21) which are respectively arranged at two ends of the conveying roller (24) and used for supporting the pole pieces, and a lifting platform (22) connected to the cutting driving assembly (30); the lifting platform (22) is provided with a cutter (23) facing the supporting platform (21), and a die hole (211) for inserting the cutter (23) is formed in the supporting platform (21).
3. The pole piece die cutting apparatus of claim 2, wherein: the bearing surface of the conveying roller (24) is higher than the supporting surface of the supporting platform (21).
4. The pole piece die cutting apparatus of claim 2, wherein: supporting platform (21) be provided with lift platform (22) sliding connection's guide post (212), guide post (212) cover be equipped with connect in lift platform (22)'s elastic component (213).
5. The pole piece die cutting apparatus of claim 1 wherein: the cutting driving assembly (30) comprises a supporting rod (32) connected to the die cutting assembly (20), a connecting block (33) in transmission connection with the supporting rod (32), and a lifting driving assembly (31) for driving the connecting block (33) to lift.
6. The pole piece die cutting apparatus of claim 5, wherein: the connecting block (33) is provided with a boss (331) extending towards the supporting rod (32), and the supporting rod (32) is provided with roller bearings (321) which are distributed along the moving direction of the connecting block (33) and clamped on the boss (331).
7. The pole piece die cutting apparatus of claim 1, wherein: the position adjusting assembly (40) comprises a first mounting plate (41), a second mounting plate (43) used for mounting the die cutting assembly (20), and a first driving assembly (42) arranged on the first mounting plate (41), wherein the first driving assembly (42) drives the second mounting plate (43) to move along the pole piece conveying direction.
8. The pole piece die cutting apparatus of claim 7 wherein: a sliding plate (44) used for installing the die cutting assembly (20) and a second driving assembly (45) connected with the sliding plate (44) are respectively arranged at two ends of the second installing plate (43); the second driving assembly (45) drives the sliding plate (44) to move perpendicular to the conveying direction of the pole piece.
9. The pole piece die cutting apparatus of claim 1 wherein: the traction assembly (10) comprises a driving roller (11) and a driving roller (12) which are oppositely arranged and used for conveying pole pieces, a rotary driving assembly (13) connected to the driving roller, and a detection assembly (14) used for detecting the pole pieces.
10. The pole piece die cutting apparatus of claim 9 wherein: and a guide plate (15) for guiding the pole piece is arranged at the position, located at the outlet of the pole piece, of the traction assembly (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122918403.2U CN216705631U (en) | 2021-11-25 | 2021-11-25 | Pole piece die cutting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122918403.2U CN216705631U (en) | 2021-11-25 | 2021-11-25 | Pole piece die cutting equipment |
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| Publication Number | Publication Date |
|---|---|
| CN216705631U true CN216705631U (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122918403.2U Active CN216705631U (en) | 2021-11-25 | 2021-11-25 | Pole piece die cutting equipment |
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| CN (1) | CN216705631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117712456A (en) * | 2023-12-22 | 2024-03-15 | 三一技术装备有限公司 | Sheet-making device, lamination device and battery production line |
-
2021
- 2021-11-25 CN CN202122918403.2U patent/CN216705631U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117712456A (en) * | 2023-12-22 | 2024-03-15 | 三一技术装备有限公司 | Sheet-making device, lamination device and battery production line |
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