Electrode plate cutting device for sodium ion battery production
By introducing an electric push rod and a motor-driven cutting wheel linkage system into the electrode sheet cutting device for sodium-ion battery production, the problem of cutting disc spacing adjustment error was solved, and the accuracy and efficiency of electrode sheet cutting were improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU JIEDA LASER DIE & MOULD CO LTD
- Filing Date
- 2025-06-05
- Publication Date
- 2026-04-24
AI Technical Summary
The existing electrode cutting equipment used in sodium-ion battery production requires manual adjustment when adjusting the spacing of the cutting discs, which can easily lead to dimensional errors when cutting electrode sheets of different widths.
Multiple cutting wheels move relative to each other under the linkage of the swing support rod. Driven by an electric push rod and a motor, the cutting wheels are arranged in a consistent order, thus avoiding dimensional errors.
It improves the precision and efficiency of electrode cutting, avoids errors caused by manual adjustment, and adapts to the cutting needs of electrode sheets of different widths.
Smart Images

Figure CN224158518U_ABST
Abstract
Description
Technical Field
[0001] This utility model is an electrode sheet cutting device for sodium-ion battery production, belonging to the field of sodium-ion battery technology. Background Technology
[0002] Sodium-ion batteries store and release electrical energy by utilizing the charge transfer of sodium ions. They are mainly composed of positive and negative electrode materials, electrolyte, separator, and positive and negative electrode shells. Their working principle is similar to that of lithium-ion batteries. In the production process of sodium-ion batteries, electrode sheets need to be welded to the electrodes, which in turn requires the use of an electrode sheet cutting device to cut large electrode sheets into corresponding shapes.
[0003] Publication number CN222269297U discloses an electrode sheet cutting device for sodium-ion battery production. This device allows the front and rear ends of the straightened electrode sheet to be cut, thus enabling the entire electrode sheet to be cut into shape in one go, improving work efficiency. Finally, the cut electrode sheets can be collected without manual collection, further improving work efficiency. However, this device requires manual adjustment of the cutting disc spacing by the user. When cutting electrode sheets of different widths, the dimensions between multiple electrode sheets are prone to errors. There is an urgent need for an electrode sheet cutting device for sodium-ion battery production to solve the above-mentioned problems. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an electrode sheet cutting device for sodium-ion battery production, so as to solve the problems mentioned in the background art. This utility model has good practicality. Multiple cutting wheels can move relative to each other under the linkage of the swing support rod, so that the multiple cutting wheels are arranged in the same order, and can prevent dimensional errors when cutting multiple electrode sheets.
[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: an electrode sheet cutting device for sodium-ion battery production, comprising a fixed base, a fixed bottom plate fixedly connected to the upper left end of the fixed base, a mounting frame fixedly connected to the upper left end of the fixed base, a fixed seat fixedly connected to the upper end of the mounting frame, a first electric push rod fixedly connected to the middle of the fixed seat, and a cutting blade fixedly connected to the telescopic end of the first electric push rod.
[0006] A fixed side seat is fixedly connected to the upper left end of the fixed base. A second electric push rod is fixedly connected to the left end of the fixed side seat. A sliding side seat is slidably connected to the upper left end of the fixed base. The telescopic end of the second electric push rod is fixedly connected to the sliding side seat. Multiple sliding blocks are arranged between the fixed side seat and the sliding side seat. Two of the sliding blocks are fixedly connected to the upper ends of the sliding side seat and the fixed side seat, respectively. A swing bracket rod is rotatably connected to the upper ends of the multiple sliding blocks through a hinge. Two limiting slide rods are slidably connected between the multiple sliding blocks. A cutting frame is fixedly connected to the lower end of the multiple fixed side seats. A sliding rod is rotatably connected inside the multiple cutting frames. A cutting wheel is fixedly connected to the circumferential surface of the multiple sliding rods. A sliding sleeve is slidably connected to the right end of the multiple sliding rods. A second motor is fixedly connected to the left end of one of the cutting frames. The output end of the second motor is fixedly connected to the left end of one of the sliding rods.
[0007] Furthermore, the upper end of the cutting blade is fixedly connected to two positioning slide rods, and the two positioning slide rods are slidably connected to the fixed base.
[0008] Furthermore, a sliding support frame is slidably connected to the upper end of the fixed base, and four second transmission rollers are rotatably connected to the rear end of the sliding support frame. Gears are fixedly connected to the rear ends of two of the second transmission rollers. Two first motors are fixedly connected to the rear end of the sliding support frame, and the output ends of the two first motors are respectively fixedly connected to two of the second transmission rollers. The four second transmission rollers are slidably connected to the fixed support frame.
[0009] Furthermore, the front end of the sliding support frame is rotatably connected to a plurality of first transmission rollers, and the plurality of first transmission rollers are slidably connected to the fixed support frame.
[0010] Furthermore, a first limiting rod is fixedly connected in the upper groove of the fixed base, and the sliding support frame is slidably connected to the first limiting rod.
[0011] Furthermore, a second limiting rod is fixedly connected in the upper groove of the fixed base plate, and the sliding side seat is slidably connected to the second limiting rod.
[0012] The beneficial effects of this utility model are as follows: This utility model provides an electrode sheet cutting device for sodium-ion battery production. Because this utility model adds a first electric push rod, a cutting blade, a sliding block, a swing support rod, a sliding side seat, a fixed side seat, a second motor, cutting wheels, a sliding rod, and a sliding sleeve, our design improvements and actual use have shown that this device has a reasonable structure and good practicality. Multiple cutting wheels can move relative to each other under the linkage of the swing support rod, so that the multiple cutting wheels are arranged in the same order, which can prevent dimensional errors when cutting multiple electrode sheets. Attached Figure Description
[0013] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0014] Figure 1 This is a three-dimensional schematic diagram of the overall structure of an electrode sheet cutting device for sodium-ion battery production according to the present invention.
[0015] Figure 2 This is a first-view cross-sectional structural diagram of an electrode sheet cutting device for sodium-ion battery production according to the present invention.
[0016] Figure 3 This utility model relates to an electrode sheet cutting device for sodium-ion battery production. Figure 2 Schematic diagram of the structure at point A;
[0017] Figure 4 This is a second-view cross-sectional structural diagram of an electrode sheet cutting device for sodium-ion battery production according to the present invention.
[0018] Figure 5 This is a third-view cross-sectional structural diagram of an electrode sheet cutting device for sodium-ion battery production according to the present invention.
[0019] Figure 6 This utility model relates to an electrode sheet cutting device for sodium-ion battery production. Figure 5 Schematic diagram of the structure at point A;
[0020] Figure 7 This is a partial cross-sectional structural diagram of an electrode sheet cutting device for sodium-ion battery production according to the present invention.
[0021] In the diagram: 1-Fixed base, 2-Sliding support frame, 3-Fixed support frame, 4-First transmission roller, 5-Second transmission roller, 6-Mounting frame, 7-Fixed seat, 8-Positioning slide rod, 9-First electric push rod, 10-Cut blade, 11-Fixed base plate, 12-Fixed side seat, 13-First motor, 14-Sliding block, 15-Limiting slide rod, 16-Swing bracket rod, 17-First limiting rod, 18-Second motor, 19-Cut wheel, 20-Cut frame, 21-Sliding rod, 22-Sliding sleeve, 23-Sliding side seat, 24-Second limiting rod, 25-Gear, 26-Second electric push rod. Detailed Implementation
[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0023] Please see Figures 1-7This utility model provides a technical solution: an electrode sheet cutting device for sodium-ion battery production, including a fixed base 1, a fixed base plate 11 fixedly connected to the upper left end of the fixed base 1, a mounting frame 6 fixedly connected to the upper left end of the fixed base 1, a fixed seat 7 fixedly connected to the upper end of the mounting frame 6, a first electric push rod 9 fixedly connected to the middle of the fixed seat 7, a cutting blade 10 fixedly connected to the telescopic end of the first electric push rod 9, a fixed side seat 12 fixedly connected to the upper left end of the fixed base 1, a second electric push rod 26 fixedly connected to the left end of the fixed side seat 12, a sliding side seat 23 slidably connected to the upper left end of the fixed base 1, the telescopic end of the second electric push rod 26 fixedly connected to the sliding side seat 23, and a plurality of sliding blocks 14 arranged between the fixed side seat 12 and the sliding side seat 23, wherein two sliding blocks 14 are respectively connected to the sliding side seat 23. The upper end of the fixed side seat 12 is fixedly connected to the upper end of the multiple sliding blocks 14. The upper ends of the multiple sliding blocks 14 are rotatably connected to the swing support rods 16 via hinges. Two limit slide rods 15 are slidably connected between the multiple sliding blocks 14. The lower ends of the multiple fixed side seats 12 are fixedly connected to the cutting frame 20. The multiple cutting frames 20 are rotatably connected to the sliding rods 21. The circumferential surfaces of the multiple sliding rods 21 are fixedly connected to the cutting wheels 19. The right ends of the multiple sliding rods 21 are slidably connected to the sliding sleeves 22. The left end of one of the cutting frames 20 is fixedly connected to the second motor 18. The output end of the second motor 18 is fixedly connected to the left end of one of the sliding rods 21. This design solves the problem that the original device requires manual adjustment by the user when adjusting the spacing of the cutting discs, and the size of multiple electrode sheets is prone to errors when cutting electrode sheets of different widths.
[0024] As the first embodiment of this utility model: two positioning slide rods 8 are fixedly connected to the upper end of the cutting blade 10. The two positioning slide rods 8 are slidably connected to the fixed base 7. The positioning slide rods 8 installed on the cutting blade 10 can increase the stability of the up and down movement of the cutting blade 10 and limit the cutting blade 10 by sliding on the surface of the fixed base 7. The upper end of the fixed base 1 is slidably connected to a sliding support frame 2. The rear end of the sliding support frame 2 is rotatably connected to four second transmission rollers 5. The rear ends of the two second transmission rollers 5 are fixedly connected to gears 25. The rear end of the sliding support frame 2 is fixedly connected to two first motors 13. The output ends of the two first motors 13 are respectively fixedly connected to two of the second transmission rollers 5. The four second transmission rollers 5 are slidably connected to the fixed support frame 3. The second transmission rollers 5 installed at the rear end of the sliding support frame 2 can drive the electrode sheet to move towards the cutting wheel 19 under the power of the first motors 13. The fixed support frame 3 can be adjusted according to the electrode sheet of different widths by sliding on the surface of the second transmission rollers 5. Multiple first transmission rollers 4 are rotatably connected to the front end of the sliding support frame 2. These first transmission rollers 4 are slidably connected to the fixed support frame 3. The first transmission rollers 4 installed at the front end of the sliding support frame 2 assist the second transmission rollers 5 in supporting the movement of the electrode sheet. A first limiting rod 17 is fixedly connected to the upper groove of the fixed base 1. The sliding support frame 2 is slidably connected to the first limiting rod 17. The first limiting rod 17 installed on the fixed base 1 supports the sliding support frame 2 in stable sliding on the fixed base 1. A second limiting rod 24 is fixedly connected to the upper groove of the fixed base plate 11. The sliding side seat 23 is slidably connected to the second limiting rod 24. The second limiting rod 24 installed on the fixed base plate 11 supports the sliding side seat 23 in stable movement.
[0025] As a second embodiment of this utility model: First, the first motor 13 and the second motor 18 are operated to drive the limiting slide rod 15 and the cutting wheel 19 to rotate respectively. Then, the electrode sheet is guided between the two second transmission rollers 5 and the two first transmission rollers 4. Under the friction of the two second transmission rollers 5, the electrode sheet is driven to move towards the cutting wheel 19. The multiple cutting wheels 19 can cut the electrode sheet into multiple pieces. After the electrode sheet moves to the surface of the fixed base plate 11, the first electric push rod 9 drives the cutting blade 10 to cut the electrode sheet, thereby completing the processing of the electrode sheet. When it is necessary to adjust the cutting width of the electrode sheet, the second electric push rod 26 can be controlled to drive the sliding block 14 to move forward. At the same time, multiple swing support rods 16 drive multiple sliding blocks 14 to move closer to each other. Multiple sliding sleeves 22 slide on the surface of the sliding rod 21. The sliding support frame 2 drives the second transmission rollers 5 and the first transmission rollers 4 to move forward. After adjusting the spacing of the electrode sheet to be cut, the processing and cutting are carried out.
[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. An electrode sheet cutting device for sodium-ion battery production, comprising a fixed base (1), characterized in that: A fixed base plate (11) is fixedly connected to the upper left end of the fixed base (1), a mounting bracket (6) is fixedly connected to the upper left end of the fixed base (1), a fixed seat (7) is fixedly connected to the upper end of the mounting bracket (6), a first electric push rod (9) is fixedly connected to the middle of the fixed seat (7), and a cutting blade (10) is fixedly connected to the telescopic end of the first electric push rod (9). A fixed side seat (12) is fixedly connected to the upper left end of the fixed base (1). A second electric push rod (26) is fixedly connected to the left end of the fixed side seat (12). A sliding side seat (23) is slidably connected to the upper left end of the fixed base (1). The telescopic end of the second electric push rod (26) is fixedly connected to the sliding side seat (23). A plurality of sliding blocks (14) are provided between the fixed side seat (12) and the sliding side seat (23). Two of the sliding blocks (14) are fixedly connected to the upper ends of the sliding side seat (23) and the fixed side seat (12) respectively. The upper ends of the plurality of sliding blocks (14) are rotatably connected to a swing arm through a hinge. The bracket rod (16) is slidably connected to two limiting slide rods (15). The lower ends of the multiple fixed side seats (12) are all fixedly connected to a cutting frame (20). The multiple cutting frames (20) are rotatably connected to a sliding rod (21). The circumferential surfaces of the multiple sliding rods (21) are all fixedly connected to a cutting wheel (19). The right ends of the multiple sliding rods (21) are all slidably connected to a sliding sleeve (22). The left end of one of the cutting frames (20) is fixedly connected to a second motor (18). The output end of the second motor (18) is fixedly connected to the left end of one of the sliding rods (21).
2. The electrode sheet cutting device for sodium-ion battery production according to claim 1, characterized in that: The upper end of the cutting blade (10) is fixedly connected to two positioning slide rods (8), and the two positioning slide rods (8) are slidably connected to the fixed seat (7).
3. The electrode sheet cutting device for sodium-ion battery production according to claim 2, characterized in that: The upper end of the fixed base (1) is slidably connected to a sliding support frame (2). The rear end of the sliding support frame (2) is rotatably connected to four second transmission rollers (5). The rear ends of the two second transmission rollers (5) are fixedly connected to gears (25). The rear end of the sliding support frame (2) is fixedly connected to two first motors (13). The output ends of the two first motors (13) are respectively fixedly connected to two of the second transmission rollers (5). The four second transmission rollers (5) are slidably connected to the fixed support frame (3).
4. The electrode sheet cutting device for sodium-ion battery production according to claim 3, characterized in that: The front end of the sliding support frame (2) is rotatably connected to a plurality of first transmission rollers (4), and the plurality of first transmission rollers (4) are slidably connected to the fixed support frame (3).
5. The electrode sheet cutting device for sodium-ion battery production according to claim 4, characterized in that: The upper end groove of the fixed base (1) is fixedly connected to the first limiting rod (17), and the sliding support frame (2) is slidably connected to the first limiting rod (17).
6. The electrode sheet cutting device for sodium-ion battery production according to claim 5, characterized in that: A second limiting rod (24) is fixedly connected in the upper groove of the fixed base plate (11), and the sliding side seat (23) is slidably connected to the second limiting rod (24).
Citation Information
Patent Citations
Electrode plate cutting device for sodium ion battery production
CN222269297U