Ball-milling wet-process mixing equipment for producing nano silicon-carbon negative electrode material

By designing a ball mill wet mixing equipment with a support plate, mixing cylinder, transmission components, and stirring components, the problems of silicon particle agglomeration and uneven dispersion of carbon materials were solved, improving mixing efficiency and sealing performance, and enhancing the conductivity and cycle performance of silicon-carbon composite materials.

CN224086592UActive Publication Date: 2026-04-07HENAN SHENGHUAI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-07
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing ball mill wet mixing equipment suffers from silicon particle agglomeration and uneven carbon material dispersion, resulting in poor conductivity and reduced cycle performance of silicon-carbon composite materials. Furthermore, the poor sealing of the mixing tank makes it easy to introduce impurities, leading to excessive aluminum content.

Method used

A ball mill wet mixing device was designed, comprising a support plate, a mixing cylinder, a transmission component, and a stirring component. The mixing cylinder is driven to rotate by a servo motor. Combined with the semi-circular motion of the stirring component and the positioning structure of the sealing component, the mixing efficiency and sealing performance are improved, and material leakage is prevented.

Benefits of technology

It effectively solves the problems of silicon particle agglomeration and uneven dispersion of carbon materials, improves mixing efficiency, enhances sealing, avoids the introduction of impurities, and improves the conductivity and cycle performance of silicon-carbon composite materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mixing of nanometer silicon-carbon negative electrode materials, in particular to ball-milling wet-process mixing equipment for production of nanometer silicon-carbon negative electrode materials, which comprises a mounting plate, supporting plates are fixedly mounted on two sides of the surface of the mounting plate, sealing rings are arranged on the surfaces of the supporting plates, and a mixing cylinder is rotatably connected between the supporting plates. A transmission assembly is arranged on the surface of the mixing barrel, a through groove is formed in the middle of the surface of the mixing barrel, a stirring assembly is arranged in the through groove, a guide pipe is fixedly mounted at the top of the mixing barrel, and a sealing cover is rotationally connected to one side of the surface of the guide pipe. And when the transmission assembly is powered on, the mixing cylinder rotates along with the transmission assembly, and when the mixing cylinder rotates, the stirring assembly performs semicircular reciprocating motion along with the mixing cylinder to turn and throw materials in the mixing cylinder, so that the mixing efficiency of the materials in the mixing cylinder is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nanometer silicon carbon negative material mixing technical field, concretely relates to a kind of ball mill wet mixing equipment for nanometer silicon carbon negative material production. BACKGROUND

[0002] Nanometer silicon carbon negative material is a kind of lithium ion battery negative material by nanometer silicon and carbon material composite, with high energy density, long cycle life and good conductivity etc.Characteristics.Its core advantage lies in that it can significantly improve the energy density and cycle life of battery, to meet the high energy demand application scene, when nanometer silicon carbon negative material is produced, ball mill wet mixing equipment needs to be used.

[0003] But the existing ball mill wet mixing equipment, there is silicon particle agglomeration, carbon material uneven dispersion problem, leading to poor silicon-carbon composite material conductivity and cycle performance decline, and mixing tank poor sealing, easy to introduce impurities and lead to aluminum content overproof. UTILITY MODEL CONTENT

[0004] In view of the above-mentioned shortcomings of prior art, the utility model provides a kind of ball mill wet mixing equipment for nanometer silicon carbon negative material production, can effectively solve the problem that the existing ball mill wet mixing equipment, there is silicon particle agglomeration, carbon material uneven dispersion problem, leading to poor silicon-carbon composite material conductivity and cycle performance decline, and mixing tank poor sealing, easy to introduce impurities and lead to aluminum content overproof.

[0005] To achieve the above object, the utility model is realized by the following technical scheme:

[0006] The utility model provides a kind of ball mill wet mixing equipment for nanometer silicon carbon negative material production, including mounting plate, both sides of the mounting plate surface are fixedly installed with support plate, the surface of support plate is provided with sealing ring, rotatingly connected with mixing cylinder between support plate, the surface of mixing cylinder is provided with transmission assembly, the middle part of the surface of mixing cylinder is equipped with through groove, the inside of through groove is provided with stirring assembly, the top of mixing cylinder is fixedly installed with guide pipe, the side of guide pipe surface is rotatably connected with sealing cover, the four corners of guide pipe surface are all fixedly installed with positioning assembly.

[0007] The transmission assembly includes servo motor fixedly installed on one side of the surface of mounting plate, the output end of servo motor is fixedly installed with meshing block, the surface of meshing block is engaged with meshing ring, the surface of meshing ring is fixedly installed in mixing cylinder.

[0008] The stirring assembly comprises a rotating rod rotatably connected inside the through groove, a plurality of beating plates are fixedly installed on the surface of the rotating rod, a limiting plate is fixedly installed on one end of the rotating rod, clamping grooves are formed on the two sides of the surface of the limiting plate, and a positioning rod is arranged inside the clamping groove.

[0009] Limiting grooves are formed on the two sides of the surface of the supporting plate, and the diameter of the limiting groove is matched with the diameter of the positioning rod.

[0010] The positioning assembly comprises a limiting plate fixedly installed at the four corners of the surface of the guide pipe, a rotating plate rotatably connected to the surface of the limiting plate, a threaded groove formed on the surface of the rotating plate, a threaded rod screwedly connected to the inside of the threaded groove, and a clamping plate rotatably connected to one end of the threaded rod.

[0011] The surface of the clamping plate is provided with an embedding groove, and an antiskid pad is embedded in the embedding groove, and the antiskid pad is in contact with the four corners of the surface of the sealing cover.

[0012] The sealing ring is arranged at the connecting position of the mixing cylinder and the stirring assembly, and the sealing ring seals the connecting position.

[0013] Compared with the prior art, the technical scheme has the following beneficial effects:

[0014] 1. By arranging the supporting plate, the mixing cylinder, the transmission assembly and the stirring assembly, the transmission assembly is connected to the power supply during use, the mixing cylinder rotates, the stirring assembly performs a half-circle reciprocating motion during the rotation of the mixing cylinder, the material in the mixing cylinder is turned over, and the efficiency of mixing the material in the mixing cylinder is improved.

[0015] 2. By arranging the guide pipe, the sealing cover and the positioning assembly, the sealing cover is opened by the user, the material is introduced into the inside of the mixing cylinder through the guide pipe, the sealing cover is closed after the material enters the mixing cylinder, the sealing cover is installed and positioned by the positioning assembly, the sealing property of the guide pipe is improved, and the situation that the material in the inside flows out due to the accidental opening of the sealing cover is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0018] Figure 2 It is the split structure schematic view of the utility model;

[0019] Figure 3 It is the utility model Figure 2 It is the structure schematic view of the enlarged view at A place in the middle;

[0020] Figure 4 It is the structure schematic view of the stirring assembly of the utility model.

[0021] The figure mark: 1, the mounting plate; 2, the support plate; 3, the sealing ring; 4, the mixing cylinder; 5, transmission assembly; 51, servo motor; 52, engagement block; 53, engagement ring; 6, stirring assembly; 61, rotating rod; 62, beating plate; 63, limiting plate; 64, positioning rod; 7, guide pipe; 8, sealing cover; 9, positioning assembly; 91, limiting plate; 92, rotating plate; 93, threaded rod; 94, clamping plate. Specific implementation

[0022] To make the purpose, technical scheme and advantage of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0023] The utility model will be further described below in conjunction with the embodiment.

[0024] Embodiment: refer to Figures 1 to 4 A ball mill wet mixing equipment for nano silicon carbon negative electrode material production, including mounting plate 1, both sides of mounting plate 1 surface are fixedly installed with support plate 2, the surface of support plate 2 is provided with sealing ring 3, sealing ring 3 is at the connecting place of mixing cylinder 4 and stirring assembly 6, sealing ring 3 seals the connecting place, mixing cylinder 4 is rotatably connected between support plate 2, the surface of mixing cylinder 4 is provided with transmission assembly 5, the middle part of the surface of mixing cylinder 4 is provided with through groove, the inside of through groove is provided with stirring assembly 6, the top of mixing cylinder 4 is fixedly installed with guide pipe 7, one side of the surface of guide pipe 7 is rotatably connected with sealing cover 8, and the four corners of the surface of guide pipe 7 are fixedly installed with positioning assembly 9.

[0025] Transmission assembly 5 includes servo motor 51 fixedly installed on one side of the surface of mounting plate 1, the output end of servo motor 51 is fixedly installed with engagement block 52, the surface of engagement block 52 is engaged with engagement ring 53, and engagement ring 53 is fixedly installed on the surface of mixing cylinder 4;

[0026] During use, the personnel will connect the servo motor 51 to the power supply, and the output end will drive the meshing block 52 to rotate, and when the meshing block 52 rotates, the meshing ring 53 will be driven to rotate, the meshing ring 53 drives the mixing cylinder 4 to rotate, and the materials in the mixing cylinder 4 will be rotated and mixed.

[0027] The stirring assembly 6 comprises a rotating rod 61 rotatably connected in the through groove, a plurality of beating plates 62 are fixedly installed on the surface of the rotating rod 61, a limiting plate 63 is fixedly installed at one end of the rotating rod 61, clamping grooves are formed at both sides of the surface of the limiting plate 63, and a positioning rod 64 is arranged in the clamping groove; limiting grooves are formed at both sides of the surface of the supporting plate 2, and the diameter of the limiting groove is matched with the diameter of the positioning rod 64.

[0028] When the mixing cylinder 4 rotates, the beating plates 62 on the rotating rod 61 will be impacted by the materials at the back and rotate, and when the rotating rod 61 rotates, the limiting plate 63 will be driven to rotate, and the limiting plate 63 drives the positioning rod 64 to rotate, but when the positioning rod 64 rotates, it cannot rotate in a full circle due to the blocking of the supporting plate 2 and can only rotate in a half circle; after the rotating rod 61 rotates to a suitable position, the positioning rod 64 will be limited by the supporting plate 2, that is, the mixing cylinder 4 rotates, the rotating rod 61 does not rotate due to the limitation of the positioning rod 64, and the materials in the interior will be impacted by the beating plates 62 on the rotating rod 61 to mix the materials.

[0029] The positioning assembly 9 comprises a limiting plate 91 fixedly installed at four corners of the surface of the guide pipe 7, a rotating plate 92 rotatably connected to the surface of the limiting plate 91, a threaded groove formed in the surface of the rotating plate 92, a threaded rod 93 screw-connected in the threaded groove, a clamping plate 94 rotatably connected to one end of the threaded rod 93, an embedding groove formed in the surface of the clamping plate 94, and an anti-skid pad embedded in the embedding groove; the anti-skid pad is in contact with the four corners of the surface of the sealing cover 8.

[0030] After the materials are added, the personnel will close the sealing cover 8, and after the sealing cover 81 is closed, the personnel will rotate the rotating plate 92 through the limiting plate 91, and when the rotating plate 92 rotates to a right angle, the personnel will rotate the threaded rod 93 through the rotating plate 92, and the threaded rod 93 drives the clamping plate 94 to move downward, and the clamping plate 94 positions the sealing cover 8.

[0031] Working principle: first, the servo motor 51 is connected to the power supply, the output will drive the meshing block 52 to rotate, when the meshing block 52 rotates, the meshing ring 53 will be driven to rotate, the meshing ring 53 drives the mixing cylinder 4 to rotate, the material in the mixing cylinder 4 will rotate and mix, when the mixing cylinder 4 rotates, the beating plate 62 on the rotating rod 61 will be impacted by the material on the back, and then rotate, when the rotating rod 61 rotates, the limiting plate 63 will be driven to rotate, the limiting plate 63 drives the positioning rod 64 to rotate, but the positioning rod 64 cannot rotate in a complete circle when it rotates, but only in a semicircle, after the rotating rod 61 rotates to the appropriate position, the positioning rod 64 will be limited by the support plate 2, that is, the mixing cylinder 4 rotates, the rotating rod 61 does not rotate due to the limiting of the positioning rod 64, the internal material will be hit by the beating plate 62 on the rotating rod 61 with the rotation of the mixing cylinder 4, and the material will be mixed, then the material is added, the personnel closes the sealing cover 8, after the sealing cover 81 is closed, the personnel rotates the rotating plate 92 through the limiting plate 91, when the rotating plate 92 rotates to a right angle, the personnel rotates the threaded rod 93 through the rotating plate 92, the threaded rod 93 drives the clamping plate 94 to move downward, and the clamping plate 94 positions the sealing cover 8.

[0032] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. A ball milling wet mixing device for the production of nano-silicon-carbon anode materials, comprising a mounting plate (1), characterized in that: Support plates (2) are fixedly installed on both sides of the surface of the mounting plate (1). A sealing ring (3) is provided on the surface of the support plate (2). A mixing cylinder (4) is rotatably connected between the support plates (2). A transmission assembly (5) is provided on the surface of the mixing cylinder (4). A through groove is opened in the middle of the surface of the mixing cylinder (4). A stirring assembly (6) is provided inside the through groove. A guide tube (7) is fixedly installed on the top of the mixing cylinder (4). A sealing cover (8) is rotatably connected to one side of the surface of the guide tube (7). A positioning assembly (9) is fixedly installed at each of the four corners of the surface of the guide tube (7).

2. The ball milling wet mixing equipment for the production of nano-silicon-carbon anode materials according to claim 1, characterized in that, The transmission assembly (5) includes a servo motor (51) fixedly mounted on one side of the surface of the mounting plate (1). A meshing block (52) is fixedly mounted on the output end of the servo motor (51). A meshing ring (53) meshes with the surface of the meshing block (52). The meshing ring (53) is fixedly mounted on the surface of the mixing cylinder (4).

3. The ball milling wet mixing equipment for the production of nano-silicon-carbon anode materials according to claim 1, characterized in that, The stirring assembly (6) includes a rotating rod (61) rotatably connected inside the through groove. Several striking plates (62) are fixedly installed on the surface of the rotating rod (61). A limiting plate (63) is fixedly installed at one end of the rotating rod (61). A snap-fit ​​groove is provided on both sides of the surface of the limiting plate (63). A positioning rod (64) is provided inside the snap-fit ​​groove.

4. The ball milling wet mixing equipment for the production of nano-silicon-carbon anode materials according to claim 1, characterized in that, The support plate (2) has limiting grooves on both sides of its surface, and the diameter of the limiting grooves is compatible with the diameter of the positioning rod (64).

5. A ball milling wet mixing apparatus for the production of nano-silicon-carbon anode materials according to claim 1, characterized in that, The positioning component (9) includes a limiting plate (91) fixedly installed at the four corners of the guide tube (7). A rotating plate (92) is rotatably connected to the surface of the limiting plate (91). A threaded groove is opened on the surface of the rotating plate (92). A threaded rod (93) is threadedly connected inside the threaded groove. A clamping plate (94) is rotatably connected to one end of the threaded rod (93).

6. A ball milling wet mixing apparatus for the production of nano-silicon-carbon anode materials according to claim 5, characterized in that, The clamping plate (94) has an embedding groove on its surface, and an anti-slip pad is embedded inside the embedding groove. The anti-slip pad is in contact with the four corners of the sealing cover (8).

7. A ball milling wet mixing apparatus for the production of nano-silicon-carbon anode materials according to claim 1, characterized in that, The sealing ring (3) is located at the connection between the mixing cylinder (4) and the stirring assembly (6), and the sealing ring (3) seals the connection.