Automatic pole piece cutting machine for lithium battery production

By designing the limiting mechanism in the automatic pole cutting machine, the problem of possible deviation of pole cutting during the cutting process is solved, the production efficiency and cutting accuracy are improved, the scrap rate is reduced, and the operation safety is improved.

CN222806182UActive Publication Date: 2025-04-29JIANGSU RUNLI NEW ENERGY CO LTD
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Patent Information

Application Number
CN202421767379.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-25
Publication Date
2025-04-29
Estimated Expiration
2034-07-25

AI Technical Summary

Technical Problem

The existing automatic pole cutting machine lacks a limiting mechanism for the pole sheet during the cutting process, which may cause the pole sheet to shift, affecting the cutting accuracy and efficiency.

Method used

An automatic cutting machine for lithium battery production is designed, using components such as conveyor devices, servo cylinders, adjustment sliders and transmission belts. By limiting the pole plate, it ensures that it maintains a stable position during the cutting process.

Benefits of technology

Through the limiting mechanism, the adjustment and reprocessing time is reduced, production efficiency is improved, scrap rate is reduced, cutting accuracy and consistency is improved, and operation safety is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lithium battery production, and discloses an automatic pole piece cutting machine for lithium battery production, which comprises a machine body, a lifting frame is arranged at the bottoms of two second piston rods, the middle of the bottom of the lifting frame, close to two sides, is respectively connected with adjusting slide blocks in a sliding manner, and the two adjusting slide blocks are distributed oppositely in a mirror image manner. According to the utility model, by limiting the pole piece in the conveying process, the adjustment and reprocessing time can be reduced, so that the production efficiency is improved, the error and waste in the cutting process can be reduced through accurate limiting, the rejection rate is reduced, the stable position of the pole piece in the cutting process can be ensured through limiting, and the production efficiency is improved. And through limiting, the precision and consistency of the cutting process can be improved, the production efficiency is improved, the rejection rate is reduced, and the operation safety is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery production, and in particular to an automatic pole piece cutting machine for lithium battery production. Background Art

[0002] The automatic pole piece cutting machine is a kind of equipment specially used for lithium battery production. Its main function is to automatically cut the positive pole piece and the negative pole piece to meet the needs of battery production. It has a high-precision cutting function, which can ensure the accuracy and consistency of the cutting size. The automatic pole piece cutting machine plays a very important role in the production of lithium batteries. Its appearance improves production efficiency, improves cutting accuracy, and reduces production costs. It is an indispensable and important equipment on the lithium battery production line.

[0003] However, when the existing automatic electrode cutting machine cuts the electrode, it lacks a limiting mechanism for the electrode during the transportation process, which may cause the electrode to shift, thereby affecting the cutting accuracy and cutting efficiency, and requiring personnel to make multiple adjustments. Therefore, technical personnel in this field provide an automatic electrode cutting machine for lithium battery production to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an automatic pole piece cutting machine for lithium battery production.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic cutting machine for pole pieces for lithium battery production, comprising a body, a conveying device is installed at the middle position of the inner wall of the body, a first motor is installed at the middle front position of the right side wall of the body, the output end of the first motor is connected to the input end of the conveying device, mounting frames are installed at the middle front position of the inner wall of the body and the middle rear position of the inner wall, the two mounting frames are distributed in mirror image, servo electric cylinders are installed at the middle position of the top of the two mounting frames, the output ends of the two servo electric cylinders are respectively connected to second piston rods, the output ends of the two second piston rods respectively penetrate and are slidably connected to the middle position of the bottom of the two mounting frames, a lifting frame is installed at the bottom of the two second piston rods, and adjusting sliders are slidably connected to the middle of the bottom of the lifting frame at both sides, and the two adjusting sliders are distributed in mirror image.

[0006] Furthermore, by limiting the electrode in transit, the time for adjustment and reprocessing can be reduced, thereby improving production efficiency. Accurate limiting can reduce errors and waste in the cutting process and reduce the scrap rate. Limiting can ensure that the electrode maintains a stable position during the cutting process and reduce the risk of injury to operators. Limiting can improve the accuracy and consistency of the cutting process, improve production efficiency, reduce the scrap rate, and improve the safety of operation.

[0007] Furthermore, the output end of the second motor acts on the forward and reverse screws on the front side to rotate, and the second transmission belt acts on the forward and reverse screws on the rear side to rotate synchronously, so that the two adjustment sliders are respectively close to or away from each other, so as to appropriately limit the pole pieces according to different models and widths, thereby improving the cutting efficiency.

[0008] Furthermore, a second motor is installed at the front side in the middle position of the right side wall of the lifting frame, and the output end of the second motor is connected to the input end of the transmission wheel at the front side.

[0009] Furthermore, the tension roller can control the tension of the material on the conveyor line by adjusting the roller shaft position or applying a certain pressure to avoid wrinkles or other adverse effects.

[0010] Furthermore, the output end of the cylinder acts on the first piston rod to extend downward rapidly, so that the installation is synchronously and rapidly moved downward, and the pole piece is cut by the cutting knife assembly.

[0011] Furthermore, the two limiting sliding blocks are respectively slidably connected to the inner side walls of the corresponding limiting grooves, thereby improving the stability of the mounting block during movement.

[0012] Furthermore, the cut pole pieces are completed by a material unloading and conveying mechanism installed on the unloading device. Furthermore, a control cabinet is installed on the right side in the middle of the front side wall of the machine body, and the control cabinet is electrically connected to the cylinder and two servo electric cylinders respectively.

[0013] The utility model has the following beneficial effects:

[0014] In the utility model, the output end of the second motor acts on the forward and reverse screws on the front side to rotate, and the second transmission belt acts on the forward and reverse screws on the rear side to rotate synchronously, so that the two adjustment sliders are respectively close to or away from each other, so as to appropriately limit the position according to the pole pieces of different models and widths, thereby improving the cutting efficiency.

[0015] In the utility model, the time for adjustment and reprocessing can be reduced, thereby improving production efficiency. Accurate limiting can reduce errors and waste in the cutting process and reduce the scrap rate. Limiting can ensure that the pole piece maintains a stable position during the cutting process and reduce the risk of injury to operators. By performing limiting, the accuracy and consistency of the cutting process can be improved, production efficiency can be improved, the scrap rate can be reduced, and the safety of operation can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a side cross-sectional schematic diagram of an automatic electrode cutting machine for lithium battery production proposed by the utility model;

[0017] Figure 2 This is a partial three-dimensional schematic diagram of an automatic electrode cutting machine for lithium battery production proposed by the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the installation frame and the adjustment slider;

[0019] Figure 4 It is a three-dimensional schematic diagram of the positive and negative screw rods;

[0020] Figure 5 A side cross-sectional view of the mounting frame and the adjustment slider

[0021] Figure 6 for Figure 1 A magnified schematic diagram of center A.

[0022] Legend:

[0023] Body; 2. Placement roller; 3. First transmission belt; 4. Tension roller; 5. Conveying device; 6. Servo electric cylinder; 7. Second transmission belt; 8. Lifting frame; 9. Second piston rod; 10. Mounting block; 11. Limiting groove; 12. First piston rod; 13. Cylinder; 14. Movable seat; 15. Limiting slide block; 16. Cutting knife group; 17. Unloading conveying mechanism; 18. Unloading device; 19. Adjusting slide; 20. Forward and reverse screw rods; 21. Adjusting slide block; 22. Second motor; 23. First motor; 24. Control cabinet; 25. Mounting frame; 26. Transmission wheel. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1, an automatic cutting machine for lithium battery production, comprising a body 1, a conveying device 5 is installed at the middle position of the inner side wall of the body 1, a first motor 23 is installed at the middle front position of the right side wall of the body 1, the output end of the first motor 23 is connected to the input end of the conveying device 5, a mounting frame 25 is installed at the middle front position of the inner side wall of the body 1 and the middle rear position of the inner side wall, the two mounting frames 25 are distributed in mirror image opposition, a servo electric cylinder 6 is installed at the middle position of the top of the two mounting frames 25, the output ends of the two servo electric cylinders 6 are respectively connected to the second piston rod 9, and the output ends of the two second piston rods 9 are respectively penetrated and slidably connected to the two In the middle of the bottom of the mounting frame 25, a lifting frame 8 is installed at the bottom of the two second piston rods 9. Adjustment sliders 21 are slidably connected to the middle of the bottom of the lifting frame 8 on both sides. The two adjustment sliders 21 are distributed in mirror-image opposition. By limiting the pole piece in transportation, the adjustment time can be reduced, thereby improving production efficiency. Accurate limiting can reduce errors and waste in the cutting process and reduce the scrap rate. Limiting can ensure that the pole piece maintains a stable position during the cutting process and reduce the risk of injury to the operator. Limiting can improve the accuracy and consistency of the cutting process, improve production efficiency, reduce the scrap rate, and improve the safety of operation.

[0026] Reference Figure 1 , Figure 3 and Figure 5An adjusting slot 19 is respectively provided at the front middle position and the rear middle position of the bottom of the lifting frame 8, and the middle positions of the inner walls of the two adjusting slots 19 are respectively rotatably connected with positive and negative screw rods 20, and the sliding ends of the two adjusting sliders 21 are respectively threadedly connected to the middle positions of the outer walls of the corresponding positive and negative screw rods 20, and the outer walls of the two positive and negative screw rods 20 are on the right side. The input ends of the two positive and negative screw rods 20 are connected with a transmission wheel 26, and the middle positions of the outer walls of the two transmission wheels 26 are sleeved with a second transmission belt 7, and the two transmission wheels 26 are rotatably connected with the second transmission belt 7 at the middle right position of the inner wall of the installation frame 8, and the output end of the second motor 22 acts on the transmission wheel 26 on the front side to rotate, and the second transmission belt 7 acts on the transmission wheel 26 on the rear side to rotate synchronously. , so that the positive and negative lead screws 20 rotate synchronously, so that the two adjusting sliders 21 are respectively close to or away from each other, so as to perform appropriate limiting according to the pole pieces of different models and widths, thereby improving the cutting efficiency. A second motor 22 is installed at the front side in the middle position of the right side wall of the lifting frame 8, and the output end of the second motor 22 is connected to the input end of the positive and negative lead screws 20 at the front side. A placement roller 2 is installed at the front side of the middle lower end of the inner side wall of the body 1, and a tension roller 4 is installed at the rear side of the middle lower end of the inner side wall of the body 1. The outer wall of the tension roller 4 and the outer wall of the placement roller 2 are sleeved with a first transmission belt 3 on both sides. The tension roller 4 can control the tension of the material on the conveyor line by adjusting the roller shaft position or applying a certain pressure to avoid wrinkles or other adverse effects.

[0027] Reference Figure 1 , Figure 6 A mounting block 10 is installed in the middle of the rear side wall of the body 1, and a cylinder 13 is installed in the middle of the top of the mounting block 10. The output end of the cylinder 13 is connected to the first piston rod 12, and the output end of the first piston rod 12 passes through the middle of the bottom of the mounting block 10. A movable seat 14 is installed in the middle of the bottom of the first piston rod 12. A limiting slider 15 is installed in the middle of the bottom of the movable seat 14. A cutting knife group 16 is installed in the middle of the bottom of the limiting slider 15. The output end of the cylinder 13 acts on the first piston rod 12 to move downward quickly, so that the movable seat 14 moves downward quickly synchronously, and the pole piece is cut by the cutting knife group 16. A limiting groove 11 is provided in the middle of the inner side wall of the mounting block 10, and two limiting sliders 15 are respectively slidably connected to the middle of the inner side wall of the corresponding limiting groove 11, and are respectively slidably connected to the inner side wall of the corresponding limiting groove 11 through two limiting sliders 15.

[0028] Reference Figure 1A feeding device 18 is connected to the middle position of the bottom of the rear side wall of the machine body 1, and a feeding conveying mechanism 17 is installed in the middle position of the inner wall of the feeding device 18. The cut pole pieces are completed by the feeding conveying mechanism 17 installed on the feeding device 18. A control cabinet 24 is installed on the right side of the middle of the front side wall of the machine body 1. The control cabinet 24 is electrically connected to the cylinder 13 and the two servo electric cylinders 6 respectively.

[0029] Working principle: First, the pole piece is sleeved on the outer wall of the placement roller 2, which helps to guide the pole piece to the correct position and maintain its stability on the conveyor line. After the pole piece is guided to the correct position, the transmission roller causes the conveying device 5 to start rotating and convey the pole piece. The conveying device 5 is driven by the first motor 23, so that the pole piece is conveyed on the conveying device 5. During the conveying process, the output ends of the two servo electric cylinders 6 act on the corresponding second piston rods 9 to extend downward, so that the lifting frame 8 moves downward synchronously, and the output end of the second motor 22 acts on the transmission wheel 26 on the front side to rotate, and the second transmission belt 7 acts on the transmission wheel 26 on the rear side to rotate synchronously, so that the two positive and negative screw rods 20 are synchronously driven, so that the two adjustment sliders 21 are respectively close to or away from each other, so as to perform appropriate limiting according to the pole pieces of different models and widths, thereby improving the cutting efficiency, and the cut pole pieces are completed by the unloading conveying mechanism 17 installed on the unloading device 18.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic cutting machine for lithium battery production, comprising an organism (1), characterized in that: A conveying device (5) is installed at a middle position of the inner wall of the machine body (1), a first motor (23) is installed at a middle front position of the right side wall of the machine body (1), an output end of the first motor (23) is connected to an input end of the conveying device (5), a mounting frame (25) is installed at a middle front position of the inner wall of the machine body (1) and a middle rear position of the inner wall, the two mounting frames (25) are arranged in a mirror image, a servo electric cylinder (6) is installed at a middle position on the top of the two mounting frames (25), the output ends of the two servo electric cylinders (6) are respectively connected to a second piston rod (9), the output ends of the two second piston rods (9) respectively penetrate and are slidably connected to the middle position of the bottom of the two mounting frames (25), a lifting frame (8) is installed at the bottom of the two second piston rods (9), and an adjusting slider (21) is slidably connected to the middle of the bottom of the lifting frame (8) on both sides, the two adjusting sliders (21) are arranged in a mirror image.

2. The automatic electrode cutting machine for lithium battery production according to claim 1, characterized in that: The lifting frame (8) is provided with an adjustment slot (19) at the middle front position and the middle rear position of the bottom, respectively; the middle positions of the inner walls of the two adjustment slots (19) are rotatably connected with forward and reverse screw rods (20); the sliding ends of the two adjustment sliders (21) are respectively threadedly connected to the middle positions of the outer walls of the corresponding forward and reverse screw rods (20); the input ends of the two forward and reverse screw rods (20) are connected to transmission wheels (26); the two transmission wheels (26) are rotatably connected to the middle right position of the inner wall of the lifting frame (8); and the middle positions of the outer walls of the two transmission wheels (26) are sleeved with a second transmission belt (7).

3. The automatic electrode cutting machine for lithium battery production according to claim 2, characterized in that: A second motor (22) is installed at the front side in the middle of the right side wall of the lifting frame (8), and the output end of the second motor (22) is connected to the input end of the transmission wheel (26) at the front side.

4. The automatic electrode cutting machine for lithium battery production according to claim 1, characterized in that: A placement roller (2) is installed at the front side of the middle lower end of the inner wall of the machine body (1), a tension roller (4) is installed at the rear side of the middle lower end of the inner wall of the machine body (1), and a first transmission belt (3) is sleeved on both sides of the outer wall of the tension roller (4) and the outer wall of the placement roller (2).

5. The automatic electrode cutting machine for lithium battery production according to claim 1, characterized in that: A mounting block (10) is installed at the middle of the rear side wall of the machine body (1) near both sides, a cylinder (13) is installed at the middle of the top of the mounting block (10), an output end of the cylinder (13) is connected to a first piston rod (12), the output end of the first piston rod (12) passes through the middle of the bottom of the mounting block (10), a movable seat (14) is installed at the middle of the bottom of the first piston rod (12), a limiting slider (15) is installed at the middle of the bottom of the movable seat (14), and a cutting knife group (16) is installed at the middle of the bottom of the limiting slider (15).

6. The automatic electrode cutting machine for lithium battery production according to claim 5, characterized in that: The middle of the inner side wall of the installation block (10) is provided with a limiting groove (11) at both sides, and the two limiting slide blocks (15) are respectively slidably connected to the middle position of the inner side wall of the corresponding limiting groove (11).

7. The automatic electrode cutting machine for lithium battery production according to claim 1, characterized in that: A material discharge device (18) is connected to the middle position of the bottom of the rear side wall of the machine body (1), and a material discharge conveying mechanism (17) is installed at the middle position of the inner side wall of the material discharge device (18).

8. The automatic electrode cutting machine for lithium battery production according to claim 1, characterized in that: A control cabinet (24) is installed in the middle of the front side wall of the machine body (1) on the right side, and the control cabinet (24) is electrically connected to the cylinder (13) and the two servo electric cylinders (6) respectively.