Lithium iron phosphate pole piece cleaning device

By designing an automatic flipping and moving lithium iron phosphate electrode cleaning device, the problem that existing devices can only clean one side has been solved, achieving efficient and uniform double-sided cleaning, which is suitable for large-scale production.

CN223996784UActive Publication Date: 2026-03-17HEFEI HENGTAI ULTRASONIC EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Existing lithium iron phosphate electrode cleaning devices can only clean one surface of the electrode, requiring frequent flipping to increase operating steps and extend the cleaning cycle, resulting in low cleaning efficiency and making them unsuitable for large-scale production.

Method used

A cleaning device comprising a load-bearing structure, a moving structure, and a rotating structure was designed. The device uses a drive motor to rotate a disk and a gear structure to achieve automatic flipping and movement of lithium iron phosphate electrodes. Combined with the spraying of cleaning fluid from the nozzle, it achieves automatic cleaning of both sides.

Benefits of technology

It improves cleaning efficiency and uniformity, reduces operational complexity and labor intensity, and is suitable for large-scale production needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lithium iron phosphate pole piece cleaning device. The lithium iron phosphate pole piece cleaning device comprises a bearing structure, a moving structure and a rotating structure, wherein the bearing structure is mounted on the inner side of an outer box and used for bearing a lithium iron phosphate pole piece; the moving structure is used for moving the bearing structure; according to the lithium iron phosphate pole piece cleaning device, when cleaning water is sprayed on the surface of a lithium iron phosphate pole piece through the spray head for washing, the driving motor drives the rotating disc to rotate, so that the bearing box filled with the lithium iron phosphate pole piece slides back and forth in the outer box through transmission of the connecting rod and the transmission rod; when the bearing box slides, a gear structure of the rotating structure rolls in a gear groove in the inner wall of the outer box, the gear structure is meshed with a rack, so that a gear drives a rotating shaft to rotate while the bearing box slides, and the rotating shaft enables a lithium iron phosphate pole piece mounted in the bearing box to rotate along with the rotating shaft; therefore, the purpose of automatically overturning the lithium iron phosphate pole piece is achieved, the cleaning efficiency and uniformity are improved, and meanwhile the operation complexity and the labor intensity are reduced.
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Description

Technical Field

[0001] This utility model relates to the field of electrode cleaning technology, and in particular to a lithium iron phosphate electrode cleaning device. Background Technology

[0002] Lithium iron phosphate (LFP) electrodes are a type of positive electrode material used in lithium-ion batteries. They are made by coating a mixture of lithium iron phosphate active material, conductive agents, binders, and other components onto a metal current collector. LFP electrodes are widely used in power tools, electric vehicles, and energy storage systems due to their excellent electrochemical performance, high safety, and long cycle life. Their working principle involves the insertion and extraction of lithium ions within the electrode during charging and discharging, thereby achieving the storage and release of electrical energy.

[0003] A common problem in current lithium iron phosphate electrode cleaning processes is that the design of the cleaning equipment limits cleaning efficiency. Specifically, existing cleaning equipment can only clean one surface of the lithium iron phosphate electrode at a time. When the other side of the electrode needs to be cleaned, the electrode must be removed from the cleaning equipment, flipped, and then put back into the cleaning equipment for a second cleaning. This not only increases the number of operation steps and prolongs the cleaning cycle, but also results in low overall cleaning efficiency due to frequent manual intervention, which is not conducive to large-scale production applications. Utility Model Content

[0004] One objective of this invention is to provide a lithium iron phosphate electrode cleaning device. This invention addresses the problem that existing cleaning devices, as mentioned in the background, can only clean one surface of the lithium iron phosphate electrode at a time. When the other side of the electrode needs to be cleaned, the electrode must first be removed from the cleaning device, flipped, and then placed back into the cleaning device for a second cleaning. This not only increases the number of steps and prolongs the cleaning cycle, but also results in low overall cleaning efficiency due to frequent manual intervention, which is not conducive to large-scale production applications.

[0005] A lithium iron phosphate electrode cleaning device according to an embodiment of the present invention includes a support structure for carrying lithium iron phosphate electrodes installed inside an outer casing, a moving structure for moving the support structure, and a rotating structure for flipping the lithium iron phosphate electrodes. The support structure includes a support box movably connected inside the outer casing. The moving structure includes a drive motor, a rotating disk, and a transmission rod. The drive motor is fixedly connected to one side of the outer casing, and the output end of the drive motor is drivenly connected to the rotating disk. The surface of the rotating disk is movably connected to the transmission rod via a connecting rod, and the transmission rod is fixedly connected to one side surface of the support box. The rotating structure includes a gear structure and a gear groove. A clamping frame is rotatably connected to the inner side of the support box via a rotating shaft. The gear structure is fixedly connected to one end of the rotating shaft. The gear groove is formed on the inner surface of the outer casing, and a rack is fixedly connected to the lower inner surface of the gear groove.

[0006] Preferably, the gear structure is movably connected inside the gear slot via a rack. The gear structure moves and rolls inside the gear slot, thereby rotating the shaft and achieving the purpose of flipping the lithium iron phosphate electrode sheet installed inside the clamping frame.

[0007] Preferably, a limiting groove is formed on the lower part of the inner surface of the outer casing, and a limiting wheel is movably connected inside the limiting groove. The limiting wheel is rotatably connected to the two sides of the carrier box.

[0008] Preferably, the lower inner surface of the support box is provided with a mesh for the downward flow of sewage.

[0009] Preferably, a clamping block is slidably connected to the inner surface of the clamping frame, and a clamping bolt is rotatably connected through the surface of the clamping frame. When the clamping bolt is screwed down, it presses the clamping block down to achieve clamping and fixing of the lithium iron phosphate electrode sheet.

[0010] Preferably, a limiting rod is fixedly connected to the lower inner surface of the outer casing, and the transmission rod is slidably connected to the upper inner part of the limiting rod.

[0011] Preferably, water tanks are fixedly connected to the lower parts of both sides of the outer casing, and strip pipes are fixedly connected to the upper surface of the water tanks, with nozzles fixedly connected to the surface of the strip pipes.

[0012] The beneficial effects of this utility model are:

[0013] This invention utilizes a movable and rotating structure. When cleaning water is sprayed onto the surface of the lithium iron phosphate electrode sheets through a nozzle for rinsing, a drive motor rotates a rotating disk. This, in turn, causes the carrier box containing the lithium iron phosphate electrode sheets to slide back and forth inside the outer casing via a connecting rod and a transmission rod. Simultaneously, the gear structure of the rotating structure rolls within the gear grooves on the inner wall of the outer casing. The gear structure and rack mesh with each other, enabling the gear to drive the rotating shaft to rotate while the carrier box slides. The rotating shaft then causes the lithium iron phosphate electrode sheets installed inside the carrier box to rotate as well, thus achieving the purpose of automatically flipping the lithium iron phosphate electrode sheets. This improves cleaning efficiency and uniformity while reducing operational complexity and labor intensity.

[0014] This utility model, through its designed support structure, allows the lithium iron phosphate electrode to be placed inside the clamping frame when installed in the support box. The clamping bolts are then screwed inward to clamp the lithium iron phosphate electrode, thus facilitating its clamping and fixing. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of the structure of a lithium iron phosphate electrode cleaning device proposed in this utility model;

[0017] Figure 2 This is a cross-sectional view of the internal structure of the outer casing in a lithium iron phosphate electrode cleaning device proposed in this utility model;

[0018] Figure 3 This utility model proposes a lithium iron phosphate electrode cleaning device. Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 This is a schematic diagram of the supporting structure in a lithium iron phosphate electrode cleaning device proposed in this utility model;

[0020] Figure 5 This utility model proposes a lithium iron phosphate electrode cleaning device. Figure 4 Enlarged view of point B in the middle;

[0021] In the diagram: 1. Outer casing; 2. Water tank; 3. Strip pipe; 4. Nozzle; 5. Bearing structure; 501. Bearing box; 502. Mesh; 503. Rotating shaft; 504. Clamping frame; 505. Clamping block; 506. Clamping bolt; 6. Moving structure; 601. Drive motor; 602. Rotating disk; 603. Connecting rod; 604. Transmission rod; 605. Limiting rod; 7. Rotating structure; 701. Gear structure; 702. Gear groove; 703. Rack; 8. Limiting groove; 9. Limiting wheel. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0023] refer to Figure 1-5 A lithium iron phosphate electrode cleaning device includes a support structure 5 for carrying lithium iron phosphate electrodes, installed inside an outer casing 1; a moving structure 6 for moving the support structure 5; and a rotating structure 7 for flipping the lithium iron phosphate electrodes. The support structure 5 includes a support box 501, which is movably connected to the inside of the outer casing 1. The moving structure 6 includes a drive motor 601, a rotating disk 602, and a transmission rod 604. The drive motor 601 is fixedly connected to one side of the outer casing 1, and its output end is drively connected to the rotating disk 602. The surface of the rotating disk 602 is movably connected to the transmission rod 604 via a connecting rod 603. The transmission rod 604 is fixedly connected to one side surface of the support box 501. The rotating structure 7 includes a gear structure 701 and a gear groove 702. A clamping frame 504 is rotatably connected to the inside of the support box 501 via a rotating shaft 503. The gear structure 701 is fixedly connected to... At one end of the rotating shaft 503, the gear groove 702 is formed on the inner surface of the outer box 1. The rack 703 is fixedly connected to the lower inner surface of the gear groove 702. When the cleaning water is sprayed onto the surface of the lithium iron phosphate electrode through the nozzle 4 for rinsing, the rotating disk 602 is driven to rotate by the drive motor 601. Thus, the carrier box 501 containing the lithium iron phosphate electrode slides back and forth inside the outer box 1 through the transmission of the connecting rod 603 and the transmission rod 604. At the same time as the carrier box 501 slides, the gear structure 701 of the rotating structure 7 rolls inside the gear groove 702 on the inner wall of the outer box 1. The gear structure 701 and the rack 703 mesh with each other, so that the gear drives the rotating shaft 503 to rotate while the carrier box 501 slides. The rotating shaft 503 causes the lithium iron phosphate electrode installed in the carrier box 501 to rotate as well, thereby achieving the purpose of automatically flipping the lithium iron phosphate electrode, improving cleaning efficiency and uniformity, and reducing the complexity of operation and labor intensity.

[0024] Example 1: The gear structure 701 is movably connected to the inside of the gear groove 702 via a rack 703. As the gear structure 701 moves within the gear groove 702, it rolls, causing the rotating shaft 503 to rotate. This achieves the purpose of flipping the lithium iron phosphate electrode sheet mounted inside the clamping frame 504. A limiting groove 8 is formed on the lower part of the inner surface of the outer casing 1. A limiting wheel 9 is movably connected inside the limiting groove 8. The limiting wheel 9 is rotatably connected to both sides of the bearing box 501. A mesh hole is formed through the lower inner surface of the bearing box 501 to allow sewage to flow downwards. 502, A clamping block 505 is slidably connected to the inner surface of the clamping frame 504, and a clamping bolt 506 is rotatably connected through the surface of the clamping frame 504. When the clamping bolt 506 is screwed down, it presses the clamping block 505 down to achieve clamping and fixing of the lithium iron phosphate electrode. When the lithium iron phosphate electrode is installed in the carrier box 501, the lithium iron phosphate electrode can be placed inside the clamping frame 504, and the clamping bolt 506 is screwed inward to achieve the purpose of clamping the lithium iron phosphate electrode by the clamping block 505, thereby facilitating the clamping and fixing of the lithium iron phosphate electrode.

[0025] Example 2: A limiting rod 605 is fixedly connected to the lower inner surface of the outer casing 1. The transmission rod 604 is slidably connected to the upper inner part of the limiting rod 605. The limiting rod 605 is used to limit the sliding track of the transmission rod 604. Water tanks 2 are fixedly connected to the lower parts of both sides of the outer casing 1. A strip pipe 3 is fixedly connected to the upper surface of the water tank 2. A nozzle 4 is fixedly connected to the surface of the strip pipe 3. Water in the water tank 2 is sprayed onto the surface of the lithium iron phosphate electrode through the strip pipe 3 and the nozzle 4 to achieve the purpose of rinsing.

[0026] In use, firstly, the lithium iron phosphate electrode sheet to be cleaned is placed inside the clamping frame 504 within the carrier box 501, and the clamping block 505 is pressed downwards by the clamping bolts 506 to fix the lithium iron phosphate electrode sheet. Then, the drive motor 601 is started, and its output drives the rotating disk 602 to rotate. Through the transmission of the connecting rod 603 and the transmission rod 604, the carrier box 501 slides back and forth inside the outer box 1. During this process, the gear structure 701 rolls inside the gear groove 702 and meshes with the rack 703, causing the gear to drive the rotating shaft 503 to rotate, thereby achieving automatic flipping of the lithium iron phosphate electrode sheet inside the carrier box 501. Simultaneously, the lower inner side of the outer box 1... The limiting groove 8 contains limiting wheels 9, which are rotatably connected to the two sides of the carrier box 501 to ensure the stability of the carrier box 501 during the sliding process. While the carrier box 501 slides and the electrode sheet flips, the water tanks 2 at the bottom of both sides of the outer box 1 spray cleaning water onto the surface of the lithium iron phosphate electrode sheet through strip pipes 3 and nozzles 4 to achieve the purpose of rinsing. The sewage flows downward through the mesh 502 inside the carrier box 501 and is discharged from the device. The entire cleaning process is highly automated and easy to operate. It not only improves the cleaning efficiency and uniformity, but also reduces the complexity of operation and labor intensity. After use, the drive motor 601 is turned off, the cleaned lithium iron phosphate electrode sheet is taken out, and the entire cleaning process is completed.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A lithium iron phosphate pole piece cleaning device, characterized in that, The utility model relates to a lithium iron phosphate pole piece turnover device, including the bearing structure (5) for bearing lithium iron phosphate pole piece installed in the inside of outer box (1) and the movement structure (6) of realizing bearing structure (5) movement and the rotation structure (7) of realizing lithium iron phosphate pole piece turnover, bearing structure (5) includes bearing box (501), bearing box (501) swing joint is in the inside of outer box (1), movement structure (6) includes drive motor (601), rotation disc (602) and transmission rod (604), drive motor (601) fixed connection is in the one side of outer box (1), the output end transmission of drive motor (601) is connected with rotation disc (602), the surface of rotation disc (602) swing joint has transmission rod (604) through connecting rod (603), transmission rod (604) fixed connection is in the one side surface of bearing box (501), rotation structure (7) includes gear structure (701) and gear groove (702), the inside of bearing box (501) rotates the frame (504) of clamping through pivot (503), gear structure (701) fixed connection is in one end of pivot (503), gear groove (702) is set up in the inside surface of outer box (1), the inside lower surface of gear groove (702) is fixedly connected with rack (703).

2. The lithium iron phosphate pole piece cleaning device according to claim 1, wherein, Gear structure (701) swing joint is in the inside of gear groove (702) through rack (703), gear structure (701) is rolled while moving in the inside of gear groove (702) to make pivot (503) rotate, realize the turnover of lithium iron phosphate pole piece installed in the inside of clamping frame (504).

3. The lithium iron phosphate pole piece cleaning device of claim 1, wherein, The lower portion of the inside surface of the outer box (1) is provided with a limiting groove (8), the inside of the limiting groove (8) is swingly connected with a limiting wheel (9), and the limiting wheel (9) is rotatably connected to the both side surfaces of the bearing box (501).

4. The lithium iron phosphate pole piece cleaning device of claim 1, wherein, The lower surface of the inside of the bearing box (501) is provided with a mesh (502) for downward flow of sewage.

5. The lithium iron phosphate pole piece cleaning device of claim 1, wherein, The inside surface of the clamping frame (504) is slidably connected with a clamping block (505), and the surface of the clamping frame (504) is rotatably connected with a clamping bolt (506); when the clamping bolt (506) is screwed downward, the clamping block (505) is pressed downward to clamp and fix the lithium iron phosphate pole piece.

6. The lithium iron phosphate pole piece cleaning device of claim 1, wherein, The lower surface of the inside of the outer box (1) is fixedly connected with a limiting rod (605), and the transmission rod (604) is slidably connected to the inner upper portion of the limiting rod (605).

7. The lithium iron phosphate pole piece cleaning device of claim 1, wherein, The lower portions of the both sides of the outer box (1) are fixedly connected with a water tank (2), the upper surface of the water tank (2) is fixedly connected with a strip-shaped pipeline (3), and the surface of the strip-shaped pipeline (3) is fixedly connected with a spray head (4).