Novel winding pole piece cutter

By designing a new type of motor-driven wound electrode cutter, the problems of poor dust removal effect and non-universal cutter were solved, achieving efficient dust removal and compatibility with multiple machines, and improving cutting stability and replacement efficiency.

CN224177356UActive Publication Date: 2026-04-28DO FLUORIDE NEW ENERGY TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DO FLUORIDE NEW ENERGY TECHNOLOGY CO LTD
Filing Date
2024-11-12
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

The existing dust removal mechanism in the cylindrical battery winding process is ineffective, especially in generating dust at the cutting station. Furthermore, the original cutting blade structure is not universal, which affects the cutting effect and reduces replacement efficiency.

Method used

A novel winding electrode cutter is designed, which adopts a motor-driven crankshaft mechanism, combined with an upper cutter moving plate and spring return, to realize cutting and clamping actions. It also achieves multi-machine compatibility through a connecting plate and optimizes the dust removal structure.

Benefits of technology

It improves dust removal efficiency, avoids the impact of air pressure stability on cutting results, enhances the versatility and replacement efficiency of the cutter, and reduces the number of spare cutters.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224177356U_ABST
    Figure CN224177356U_ABST
Patent Text Reader

Abstract

The utility model relates to a novel winding pole piece cutter which comprises an upper cutter fixing plate and a lower cutter fixing plate, the lower cutter fixing plate is located on the lower portion of the upper cutter fixing plate, the lower cutter fixing plate and the upper cutter fixing plate are connected in a guiding mode through a group of guiding shafts, an upper cutter is arranged behind the upper cutter fixing plate, and the lower cutter is connected with the upper cutter fixing plate through a group of guiding shafts. A lower cutter is mounted on the upper surface of the lower cutter fixing plate and is matched with the upper cutter to realize cutting action; the upper cutter fixing plate is connected with a guide shaft through a fixing bearing, and an upper cutter moving plate is arranged at the end of the upper portion of the guide shaft. The device has the advantages that the structure is reasonable, the dust removal effect is improved, the problem that the cutting effect is influenced by air pressure is effectively avoided, the universality is good, and the cutter replacement efficiency is effectively reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the technical field of cylindrical battery production tools, specifically relating to a novel winding electrode cutter. Background Technology

[0002] The winding process of cylindrical batteries is a significant dust-generating stage. Dust isolation and removal mechanisms are installed at multiple stages to prevent short circuits, high self-discharge, and other abnormalities caused by dust. However, in actual production, with increased production capacity and diversified raw material demands, the existing dust removal mechanisms are insufficient, especially at the cutting station, a major dust-generating point and a key area of ​​concern. Verification has shown a strong correlation between dust removal efficiency and the distance between the dust removal port and the cutting point. It is planned to add dust removal at the existing cutter blade. While the existing cutters on various models are similar overall, differences in detailed dimensions prevent them from being interchangeable, necessitating structural modifications and optimizations to achieve interoperability. Therefore, it is essential to provide a new type of winding electrode cutter that features a reasonable structure, improved dust removal efficiency, effectively avoids the impact of air pressure on cutting results, offers good versatility, and significantly reduces cutter replacement efficiency. Summary of the Invention

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a new type of winding electrode cutter that has a reasonable structure, improves dust removal effect, effectively avoids the problem of air pressure affecting the cutting effect, has good versatility, and effectively reduces the efficiency of cutting blade replacement.

[0004] The purpose of this utility model is achieved as follows: A novel winding electrode cutter includes an upper cutter fixing plate and a lower cutter fixing plate. The lower cutter fixing plate is located below the upper cutter fixing plate, and the lower cutter fixing plate and the upper cutter fixing plate are guided and connected by a set of guide shafts. An upper cutter is provided behind the upper cutter fixing plate, and a lower cutter is installed on the upper surface of the lower cutter fixing plate. Through cooperation with the upper cutter, a cutting action is achieved. The upper cutter fixing plate is connected to the guide shafts through a fixed bearing, and an upper cutter moving plate is provided at the upper end of the guide shafts.

[0005] The upper cutter fixing plate is equipped with a vertically arranged connecting plate at one end. The connecting plate has multiple rows of screw holes, which can be used to match and fix the connecting plate to various equipment and machine tools.

[0006] A swing linkage is provided in front of the upper cutting blade moving plate. The upper end of the swing linkage is connected to the upper cutting blade moving plate through a swing fixing pin, and a crankshaft is installed at the lower end. The crankshaft is connected to a set of seated bearings provided on the upper cutting blade fixing plate. The seated bearings are installed on the upper cutting blade fixing plate through a bearing fixing block. A coupling is provided on one side of the seated bearings.

[0007] A downwardly extending baffle is installed on the side of the upper cutter moving plate opposite to the connecting plate, and a positioning sensor is provided on the side of the upper cutter fixing plate opposite to the baffle to cooperate with the baffle for sensing the positioning status of the cutter.

[0008] Both sides of the upper cutter are provided with cutter ears to provide guidance during the cutter's movement.

[0009] A pressure plate is provided above the lower cutter fixing plate, located above the lower cutter. The pressure plate is connected to the upper cutter fixing plate through a set of pressure plate guide shafts. A limit ring is provided above the upper cutter fixing plate, and a spring is provided below the upper cutter fixing plate.

[0010] An adjustment plate is provided in front of the lower cutter fixing plate.

[0011] A dust removal port is provided at one end of the pressure plate near the connecting plate.

[0012] The beneficial effects of this utility model are as follows: This utility model is a novel winding electrode cutter. In use, this utility model optimizes the dust removal structure and improves the dust removal effect; this utility model replaces the original cylinder drive with a motor drive, and the motor, in conjunction with the crankshaft mechanism, drives the mechanism to move, avoiding the impact of air pressure stability on the cutting effect; this utility model uses the upper cutter moving plate to drive the pressure plate to achieve both cutting and pressing actions, and the spring self-resets; this utility model uses a swing fixing pin to achieve simultaneous pressing and pulling actions, facilitating cutter adjustment; this utility model has an integral structure, and multiple holes on the connecting plate enable compatible connection with different machine models, reducing the number of spare cutters and effectively reducing the cutter replacement efficiency in the winding process; this utility model has the advantages of reasonable structure, improved dust removal effect, effective avoidance of air pressure affecting the cutting effect, good versatility, and effective reduction of cutter replacement efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 .

[0014] Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 .

[0015] In the diagram: 1. Coupling; 2. Bearing with seat; 3. Crankshaft; 4. Swinging connecting rod; 5. Swinging fixing pin; 6. Upper cutter moving plate; 7. Fixed bearing; 8. Guide shaft; 9. Upper cutter fixing plate; 10. Lower cutter fixing plate; 11. Pressure plate guide shaft; 12. Limiting ring; 13. Spring; 14. Pressure plate; 15. Lower cutter adjusting plate; 18. Connecting plate; 19. Upper cutter; 21. Cutter ear; 22. Lower cutter; 23. Baffle; 24. Dust removal port; 25. Position sensor; 26. Bearing fixing block. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings. Example 1

[0017] like Figure 1-2 As shown, a novel winding electrode cutter includes an upper cutter fixing plate 9 and a lower cutter fixing plate 10. The lower cutter fixing plate 10 is located below the upper cutter fixing plate 9 and is guided and connected to the upper cutter fixing plate 9 by a set of guide shafts 8. An upper cutter 19 is provided behind the upper cutter fixing plate 9, and a lower cutter 22 is installed on the upper surface of the lower cutter fixing plate 10. The cutting action is realized by cooperating with the upper cutter 19. The upper cutter fixing plate 9 is connected to the guide shafts 8 through a fixed bearing 7, and an upper cutter moving plate 6 is provided at the upper end of the guide shaft 8.

[0018] This utility model is a novel winding electrode cutter. In use, this utility model optimizes the dust removal structure, improving the dust removal effect. It replaces the original cylinder drive with a motor drive, using the motor in conjunction with the crankshaft 3 mechanism to drive the movement, avoiding the impact of air pressure stability on the cutting effect. This utility model uses the upper cutter moving plate 6 to drive the pressure plate 14 to achieve both cutting and pressing actions, and the plate automatically resets via the spring 13. This utility model uses the swing fixing pin 5 to achieve simultaneous pressing and pulling actions, facilitating cutter adjustment. This utility model has an integral structure, and multiple holes in the connecting plate 18 allow for compatible connection to different machine models, reducing the number of spare cutters and effectively reducing the cutter replacement efficiency in the winding process. This utility model has the advantages of reasonable structure, improved dust removal effect, effective avoidance of air pressure affecting the cutting effect, good versatility, and effective reduction of cutter replacement efficiency. Example 2

[0019] like Figure 1-2As shown, a novel winding electrode cutter includes an upper cutter fixing plate 9 and a lower cutter fixing plate 10. The lower cutter fixing plate 10 is located below the upper cutter fixing plate 9 and is guided and connected to the upper cutter fixing plate 9 by a set of guide shafts 8. An upper cutter 19 is provided behind the upper cutter fixing plate 9, and a lower cutter 22 is installed on the upper surface of the lower cutter fixing plate 10. The cutting action is realized by cooperating with the upper cutter 19. The upper cutter fixing plate 9 is connected to the guide shafts 8 through a fixed bearing 7, and an upper cutter moving plate 6 is provided at the upper end of the guide shaft 8.

[0020] The upper cutter fixing plate 9 has a vertically arranged connecting plate 18 installed at one end. The connecting plate 18 has multiple rows of screw holes, which can be used to match and fix various equipment and machine tools.

[0021] In this embodiment, the device of the present invention is fixed to the machine tool by a connecting plate to maintain the stability of the movement. The connecting plate has multiple rows of screw holes to ensure that it can be installed on various machine tools.

[0022] A swing link 4 is provided in front of the upper cutter moving plate 6. The upper end of the swing link 4 is connected to the upper cutter moving plate 6 through a swing fixing pin 5, and the lower end is equipped with a crankshaft 3. The crankshaft 3 is connected to a set of seated bearings 2 provided on the upper cutter fixing plate 9. The seated bearings 2 are installed on the upper cutter fixing plate 9 through a bearing fixing block 26. A coupling 1 is provided on one side of the seated bearings 2.

[0023] In this embodiment, ① a coupling connects to the motor, providing driving force for the entire device; ② the mounted bearing is fixed to the upper cutter fixing plate by a bearing fixing block to maintain smooth rotation; ③ the crankshaft converts the motor's rotation into the swing of the swing linkage, thereby driving the entire device to move up and down; ④ the swing linkage, in cooperation with the crankshaft and the swing fixing pin, achieves power transmission, with bearings at both connection points to ensure smooth and stable transmission; ⑤ the swing fixing pin is fixed to the upper cutter moving plate, thereby driving the device to move up and down; ⑥ the upper cutter moving plate, driven by the swing fixing pin and fixed by the fixing bearing, moves up and down; ⑦ the fixing bearing provides guidance for the device's up and down movement; ⑧ the guide shaft cooperates with the fixing bearing to control the direction of movement and maintain the stability of movement; ⑨ the bearing fixing block provides stability for the mounted bearing.

[0024] A downwardly extending baffle 23 is installed on the other side of the upper cutter moving plate 6 opposite to the connecting plate 18, and a positioning sensor 25 is provided on the side of the upper cutter fixing plate 9 opposite to the baffle 23 to cooperate with the baffle 23 for sensing the positioning status of the cutter.

[0025] In this embodiment, the baffle moves simultaneously with the cutter when it closes, allowing the sensor to detect the cutter's position; the position sensor is used to sense the cutter's position and detect any abnormalities in the cutter.

[0026] Both sides of the upper cutter 19 are provided with cutter ears 21 for guiding the cutter during its movement.

[0027] In this embodiment, the cutter lugs provide a certain guiding function during the cutting motion, effectively reducing the cutter from making a notch.

[0028] A pressure plate 14 is provided above the lower cutter fixing plate 10 and located above the lower cutter 22. The pressure plate 14 is connected to the upper cutter fixing plate 9 through a set of pressure plate guide shafts 11. A limit ring 12 is provided above the upper cutter fixing plate 9 and a spring 13 is provided below the upper cutter fixing plate 9.

[0029] In this embodiment, ① the upper cutter fixing plate and the connecting plate are fixed on the machine platform to maintain relative fixation with the equipment, while controlling the movement of the upper cutter and providing support for the overall structure; ② the lower cutter is fixed by the lower cutter fixing plate and drives the lower cutter to move; ③ the pressure plate can press the material tightly during cutting, and the cutter surface has dust removal holes to achieve a better dust removal effect; ④ the pressure plate guide shaft drives the pressure plate to move, and drives the pressure plate to press down the material when the cutter presses down; ⑤ the limit ring restricts the movement space of the pressure plate's pressing structure, so that the cutter is kept in the clearance position when it is lifted; ⑥ the spring provides power for the pressure plate to reset; ⑦ the cutting action is achieved by the movement of the upper and lower cutters.

[0030] In this embodiment, the lower cutter adjustment plate is fixed on the lower cutter fixing plate.

[0031] The pressure plate 14 is provided with a dust removal port 24 at one end near the connecting plate 18.

[0032] In this embodiment, the dust removal port is used to connect to the vacuum pipe to provide negative pressure for dust removal.

[0033] In summary, this utility model has the following advantages: The mechanism is driven by a motor in conjunction with a crankshaft mechanism, making it unaffected by the stability of the air source and resulting in better operational efficiency; the upper cutting blade moving plate drives the pressure plate to achieve both cutting and pressing actions, and a spring automatically resets the plate; the swing fixing pin enables simultaneous pressing and pulling actions, facilitating blade adjustment; the combination of dust removal and pressing mechanisms prevents airflow during conveyor belt movement and provides dust removal and pressing during operation; the overall structure is a blade holder, allowing for pre-adjustment and standby of the blades, resulting in higher replacement efficiency.

[0034] This utility model is a novel winding electrode cutter. In use, this utility model optimizes the dust removal structure, improving the dust removal effect. It replaces the original cylinder drive with a motor drive, using the motor in conjunction with the crankshaft 3 mechanism to drive the movement, avoiding the impact of air pressure stability on the cutting effect. This utility model uses the upper cutter moving plate 6 to drive the pressure plate 14 to achieve both cutting and pressing actions, and the plate automatically resets via the spring 13. This utility model uses the swing fixing pin 5 to achieve simultaneous pressing and pulling actions, facilitating cutter adjustment. This utility model has an integral structure, and multiple holes in the connecting plate 18 allow for compatible connection to different machine models, reducing the number of spare cutters and effectively reducing the cutter replacement efficiency in the winding process. This utility model has the advantages of reasonable structure, improved dust removal effect, effective avoidance of air pressure affecting the cutting effect, good versatility, and effective reduction of cutter replacement efficiency.

Claims

1. A novel winding electrode cutter, comprising an upper cutter fixing plate and a lower cutter fixing plate, characterized in that: The lower cutter fixing plate is located below the upper cutter fixing plate, and the lower cutter fixing plate and the upper cutter fixing plate are guided and connected by a set of guide shafts. An upper cutter is provided behind the upper cutter fixing plate, and a lower cutter is installed on the upper surface of the lower cutter fixing plate. The cutting action is realized by cooperating with the upper cutter. The upper cutter fixing plate is connected to the guide shaft through a fixed bearing, and an upper cutter moving plate is provided at the upper end of the guide shaft.

2. The novel winding electrode cutter according to claim 1, characterized in that: The upper cutter fixing plate is equipped with a vertically arranged connecting plate at one end. The connecting plate has multiple rows of screw holes, which can be used to match and fix the connecting plate to various equipment and machine tools.

3. The novel winding electrode cutter according to claim 2, characterized in that: A swing linkage is provided in front of the upper cutting blade moving plate. The upper end of the swing linkage is connected to the upper cutting blade moving plate through a swing fixing pin, and a crankshaft is installed at the lower end. The crankshaft is connected to a set of seated bearings provided on the upper cutting blade fixing plate. The seated bearings are installed on the upper cutting blade fixing plate through a bearing fixing block. A coupling is provided on one side of the seated bearings.

4. A novel winding electrode cutter according to claim 3, characterized in that: A downwardly extending baffle is installed on the side of the upper cutter moving plate opposite to the connecting plate, and a positioning sensor is provided on the side of the upper cutter fixing plate opposite to the baffle to cooperate with the baffle for sensing the positioning status of the cutter.

5. A novel winding electrode cutter according to claim 4, characterized in that: Both sides of the upper cutter are provided with cutter ears to provide guidance during the cutter's movement.

6. A novel winding electrode cutter according to claim 5, characterized in that: A pressure plate is provided above the lower cutter fixing plate, located above the lower cutter. The pressure plate is connected to the upper cutter fixing plate through a set of pressure plate guide shafts. A limit ring is provided above the upper cutter fixing plate, and a spring is provided below the upper cutter fixing plate.

7. A novel winding electrode cutter according to claim 6, characterized in that: A dust removal port is provided at one end of the pressure plate near the connecting plate.