Device for detecting gram volume of hard carbon negative electrode material

By designing a capacity detection device for hard carbon negative electrode material, and adjusting the position of the smear and pressing components with rotary components, the problem of low production and detection efficiency in the prior art is solved, and efficient production and detection of negative electrode sheets is achieved.

CN223284995UActive Publication Date: 2025-08-29青岛华腾石墨科技有限公司
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Patent Information

Application Number
CN202422028018.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2025-08-29
Estimated Expiration
2034-08-20

AI Technical Summary

Technical Problem

It is difficult for existing devices to efficiently produce and detect the capacity of hard carbon negative electrode materials, which affects the production efficiency of the negative electrode sheet.

Method used

A hard carbon negative electrode material capacity detection device is designed, including a base assembly, a rotating assembly, a smear assembly and a pressing assembly. By adjusting the position of the smear assembly and a pressing assembly, the production and detection of high-efficiency negative electrode sheets are achieved.

Benefits of technology

The production efficiency of the negative electrode sheet is improved and the efficiency of subsequent capacity detection is enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hard carbon negative electrode material gram volume detection device, which belongs to the technical field of negative electrode material gram volume detection and is technically characterized by comprising a rotating component, a smearing component and a pressing component. According to the utility model, before the gram volume of the negative electrode material is detected, the negative electrode plate needs to be manufactured, during the manufacturing, a negative electrode material solution can be smeared through the smearing assembly, and a copper foil piece can be pressed through the pressing assembly after the solution is dried; in order to enable the smearing assembly and the pressing assembly to work in sequence, the smearing assembly and the pressing assembly are arranged on the rotating assembly, the positions of the smearing assembly and the pressing assembly can be adjusted through the rotating assembly, and then different operations are completed.
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Description

Technical Field

[0001] The utility model belongs to the technical field of negative electrode material gram capacity detection, and in particular relates to a hard carbon negative electrode material gram capacity detection device. Background Art

[0002] Anode materials play a key role in batteries, particularly in lithium-ion batteries, where they serve as a crucial component of the negative electrode. Their primary function is to transport lithium ions from the positive electrode material through the electrolyte to the negative electrode for storage, while also releasing and receiving lithium ions during the charge and discharge process.

[0003] Anode materials can be broadly categorized into two main groups: carbon materials and non-carbon materials. Carbon materials include graphite-like carbon materials such as artificial graphite and natural graphite, as well as amorphous carbon materials such as soft carbon and hard carbon. Non-carbon materials include alloys such as tin-based, silicon-based, and titanium-based materials.

[0004] When using negative electrode materials to make negative electrode sheets, it is usually necessary to apply the negative electrode materials to copper foil and press them after drying to improve their density and conductivity. In the existing technology, most devices cannot efficiently produce negative electrode sheets. For this reason, we propose a hard carbon negative electrode material gram capacity detection device to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a device for detecting the gram capacity of a hard carbon negative electrode material to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A device for detecting gram capacity of a hard carbon negative electrode material, comprising a base assembly, a rotating assembly mounted on the base assembly, a coating assembly and a pressing assembly mounted on the rotating assembly, the coating assembly and the pressing assembly being symmetrically arranged;

[0008] Among them, the rotating assembly includes a bracket, a rotating roller, a gear, a rack, a connecting plate and a placement piece. There are two brackets, and both brackets are fixedly mounted on the base assembly. The rotating roller is rotatably mounted on the two brackets. The placement piece is fixedly mounted on the rotating roller. There are two gears, and the two gears are respectively fixedly mounted on the two ends of the rotating roller. There are two racks, and the two racks are respectively slidably mounted on the two brackets. The two racks are respectively engaged with the two gears, and the connecting plate connects the two racks.

[0009] Preferably, the rotating assembly also includes a fixed part, a sliding block and a screw rod. There are two fixed parts, and the two fixed parts are fixedly installed on the two brackets respectively. There are two screw rods, and the two screw rods are rotatably installed on the two fixed parts respectively. There are two sliding blocks, and the two sliding blocks are fixedly installed on the two racks respectively. The two sliding blocks are threadedly connected to the two racks respectively.

[0010] Preferably, the base assembly includes a base and a leak-proof component. A placement groove is provided at the center of the base, and a through groove is provided inside the placement groove. The through groove penetrates and extends out of the surface of the base, and the leak-proof component is fixedly installed at the notch of the placement groove.

[0011] Preferably, a limit block and a copper foil piece are fixedly installed in the placement groove, and the limit block and the copper foil piece are snap-connected.

[0012] Preferably, the smearing assembly includes a smearing brush and a telescopic rod A, a rotating hole is opened on the placement piece, the telescopic rod A is rotatably installed in the rotating hole, the smearing brush is fixedly installed at the lower end of the telescopic rod A, and the smearing brush is arranged above the copper foil piece.

[0013] Preferably, the smearing assembly further comprises a transfer plate and a motor, wherein the transfer plate is fixedly mounted on the placement piece, the motor is fixedly mounted on the transfer plate, and the output end of the motor is connected to the A telescopic rod.

[0014] Preferably, the pressing assembly includes a pressing plate and a B telescopic rod, two connecting holes are opened on the placing piece, two B telescopic rods are provided, and the two B telescopic rods are respectively installed in the two connecting holes, and the pressing plate is installed at the telescopic ends of the two B telescopic rods.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. When making the negative electrode sheet, the positions of the coating component and the pressing component can be adjusted by the rotating component, so that the production effect of the negative electrode sheet can be higher.

[0017] 2. Efficient negative electrode sheet production can be achieved through coating components and pressing components, which can make the subsequent testing of the gram capacity of the negative electrode material more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0019] Figure 2 This is the first partial exploded view of the utility model;

[0020] Figure 3This is a second partial exploded view of the present invention;

[0021] Figure 4 This is the third partial explosion diagram of the utility model.

[0022] In the figure: 1. Base assembly; 11. Base; 12. Leakage-proof part; 13. Limit block; 14. Copper foil part; 2. Rotating assembly; 21. Bracket; 22. Rotating roller; 23. Gear; 24. Fixing part; 25. Rack; 26. Connecting plate; 27. Sliding block; 28. Screw; 29. ​​Placement part; 3. Applicator assembly; 31. Applicator brush; 32. Telescopic rod A; 33. Transfer plate; 34. Motor; 4. Pressing assembly; 41. Pressing plate; 42. Telescopic rod B. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1-4 The utility model provides a device for detecting gram capacity of a hard carbon negative electrode material, comprising a base assembly 1, a rotating assembly 2 mounted on the base assembly 1, a coating assembly 3 and a pressing assembly 4 mounted on the rotating assembly 2, and the coating assembly 3 and the pressing assembly 4 are symmetrically arranged;

[0025] Among them, the rotating component 2 includes a bracket 21, a rotating roller 22, a gear 23, a rack 25, a connecting plate 26 and a placement piece 29. There are two brackets 21, and the two brackets 21 are fixedly installed on the base component 1. The rotating roller 22 is rotatably installed on the two brackets 21. The placement piece 29 is fixedly installed on the rotating roller 22. There are two gears 23, and the two gears 23 are respectively fixedly installed at the two ends of the rotating roller 22. There are two racks 25, and the two racks 25 are respectively slidably installed on the two brackets 21. The two racks 25 are respectively engaged with the two gears 23, and the connecting plate 26 connects the two racks 25.

[0026] Specifically, before testing the gram capacity of the negative electrode material, it is necessary to produce the negative electrode sheet. During the production, the copper foil can be placed on the base component 1, and then the solution made of the negative electrode material is applied to the copper foil through the coating component 3. After that, the placement component 29 can be flipped over so that the pressing component 4 contacts the copper foil, so that the copper foil can be pressed to complete the production of the negative electrode sheet.

[0027] Furthermore, during actual use, when the placement piece 29 needs to be flipped, the connecting plate 26 can be pushed to move, thereby driving the rack 25 to slide, and the rack 25 and the gear 23 are engaged, so that the gear 23 can be rotated, thereby driving the rotating roller 22 and the placement piece 29 to rotate. At this time, the positions of the coating component 3 and the pressing component 4 can be flipped, so that the negative electrode material solution can be applied and the copper foil can be pressed.

[0028] In this embodiment, the rotating assembly 2 also includes a fixing member 24, a sliding block 27 and a screw rod 28. There are two fixing members 24, and the two fixing members 24 are respectively fixedly installed on the two brackets 21. There are two screw rods 28, and the two screw rods 28 are respectively rotatably installed on the two fixing members 24. There are two sliding blocks 27, and the two sliding blocks 27 are respectively fixedly installed on the two racks 25. The two sliding blocks 27 are respectively threadedly connected to the two racks 25.

[0029] Specifically, during actual use, in order to enable the rack 25 to move more stably, a sliding block 27 can be set on the rack 25, and the sliding block 27 can be threaded on the screw rod 28, and then the sliding block 27 can be slid onto the fixing member 24. At this time, the screw rod 28 can be rotated to drive the rack 25 to move.

[0030] In this embodiment, the base assembly 1 includes a base 11 and a leakage-proof part 12. A placement groove is opened at the center position of the base 11, and a through groove is opened inside the placement groove. The through groove penetrates and extends out of the surface of the base 11. The leakage-proof part 12 is fixedly installed at the notch of the placement groove; a limit block 13 and a copper foil part 14 are fixedly installed in the placement groove, and the limit block 13 and the copper foil part 14 are clamped.

[0031] Specifically, in order to prevent the solution made of the negative electrode material from overflowing during application, a leak-proof part 12 can be provided on the base 11, and a placement groove is opened on the base 11 for placing the copper foil, and a limit block 13 is provided inside the base 11. The limit block 13 can prevent the copper foil part 14 from rotating during application and pressing.

[0032] In this embodiment, the smearing assembly 3 includes a smearing brush 31 and a telescopic rod A 32. A rotating hole is opened on the placement piece 29, and the telescopic rod A 32 is rotatably installed in the rotating hole. The smearing brush 31 is fixedly installed at the lower end of the telescopic rod A 32, and the smearing brush 31 is arranged above the copper foil piece 14.

[0033] Specifically, when applying the solution, the A telescopic rod 32 can be rotated to drive the application brush 31 to rotate. Since the application brush 31 is arranged above the copper foil piece 14, the solution can be evenly applied at this time.

[0034] In this embodiment, the smearing assembly 3 further includes a transfer plate 33 and a motor 34 . The transfer plate 33 is fixedly mounted on the placement member 29 . The motor 34 is fixedly mounted on the transfer plate 33 , and the output end of the motor 34 is connected to the A telescopic rod 32 .

[0035] Specifically, in order to enable automatic application during specific use, a transfer plate 33 can be set on the bracket 21, and a motor 34 can be set on the transfer plate 33. By connecting the output end of the motor 34 to the A telescopic rod 32, the A telescopic rod 32 can be driven to rotate.

[0036] In this embodiment, the pressing assembly 4 includes a pressing plate 41 and a B telescopic rod 42. Two connecting holes are opened on the placing piece 29. Two B telescopic rods 42 are provided, and the two B telescopic rods 42 are respectively installed in the two connecting holes. The pressing plate 41 is installed at the telescopic ends of the two B telescopic rods 42.

[0037] Specifically, during the pressing process, the B telescopic rod 42 can be operated to push the pressing plate 41 to move up and down, and the copper foil piece 14 can be pressed by the pressing plate 41 .

[0038] The working principle and usage process of the present invention are as follows: before the gram capacity of the negative electrode material is tested, the negative electrode sheet needs to be produced. During the production, the negative electrode material solution can be applied through the coating component 3, and the copper foil part 14 can be pressed through the pressing component 4 after the solution is dried. During this period, in order to enable the coating component 3 and the pressing component 4 to operate in sequence, the two are set on the rotating component 2, and the positions of the coating component 3 and the pressing component 4 can be adjusted by the rotating component 2 to complete different operations.

[0039] The electronic components and modules used in the content of this utility model can be parts commonly used in the market that can realize the specific functions of this case, and the specific models and sizes can be selected and adjusted according to actual needs.

[0040] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A device for detecting gram capacity of a hard carbon negative electrode material, characterized by: The invention comprises a base assembly (1), a rotating assembly (2) is mounted on the base assembly (1), a smearing assembly (3) and a pressing assembly (4) are mounted on the rotating assembly (2), and the smearing assembly (3) and the pressing assembly (4) are symmetrically arranged; The rotating assembly (2) comprises a bracket (21), a rotating roller (22), a gear (23), a rack (25), a connecting plate (26) and a placing member (29); two brackets (21) are provided, and both brackets (21) are fixedly mounted on the base assembly (1); the rotating roller (22) is rotatably mounted on the two brackets (21); the placing member (29) is fixedly mounted on the rotating roller (22); two gears (23) are provided, and the two gears (23) are respectively fixedly mounted on the two ends of the rotating roller (22); two racks (25) are provided, and the two racks (25) are respectively slidably mounted on the two brackets (21); the two racks (25) are respectively engaged with the two gears (23); and the connecting plate (26) connects the two racks (25).

2. The device for detecting gram capacity of a hard carbon negative electrode material according to claim 1, characterized in that: The rotating assembly (2) further comprises a fixing member (24), a sliding block (27) and a screw rod (28), wherein two fixing members (24) are provided, and the two fixing members (24) are respectively fixedly mounted on the two brackets (21), two screw rods (28) are provided, and the two screw rods (28) are respectively rotatably mounted on the two fixing members (24), two sliding blocks (27) are provided, and the two sliding blocks (27) are respectively fixedly mounted on the two racks (25), and the two sliding blocks (27) are respectively threadedly connected to the two racks (25).

3. The device for detecting gram capacity of a hard carbon negative electrode material according to claim 1, characterized in that: The base assembly (1) comprises a base (11) and a leak-proof member (12); a placement groove is provided at the center of the base (11), and a through groove is provided inside the placement groove, the through groove penetrates and extends out of the surface of the base (11); and the leak-proof member (12) is fixedly mounted at the notch of the placement groove.

4. The device for detecting gram capacity of a hard carbon negative electrode material according to claim 3, wherein: A limiting block (13) and a copper foil piece (14) are fixedly installed in the placement groove, and the limiting block (13) and the copper foil piece (14) are clamped together.

5. The device for detecting gram capacity of a hard carbon negative electrode material according to claim 4, characterized in that: The smear assembly (3) includes a smear brush (31) and a telescopic rod A (32). A rotation hole is provided on the placement member (29). The telescopic rod A (32) is rotatably installed in the rotation hole. The smear brush (31) is fixedly installed on the lower end of the telescopic rod A (32). The smear brush (31) is arranged above the copper foil member (14).

6. The device for detecting gram capacity of a hard carbon negative electrode material according to claim 5, characterized in that: The smearing assembly (3) further comprises a transfer plate (33) and a motor (34), wherein the transfer plate (33) is fixedly mounted on the placement member (29), the motor (34) is fixedly mounted on the transfer plate (33), and the output end of the motor (34) is connected to the A telescopic rod (32).

7. The device for detecting gram capacity of a hard carbon negative electrode material according to claim 1, characterized in that: The pressing assembly (4) includes a pressing plate (41) and a B telescopic rod (42). Two connecting holes are provided on the placement member (29). Two B telescopic rods (42) are provided, and the two B telescopic rods (42) are respectively installed in the two connecting holes. The pressing plate (41) is installed at the telescopic ends of the two B telescopic rods (42).