A graphite negative electrode material demagnetization device

Abstract

The utility model discloses a demagnetization device for graphite negative electrode materials, including a base, a support frame fixedly connected to the upper surface of the base, a feeding assembly arranged above the support frame, a driving assembly for driving the feeding assembly to move back and forth arranged at the top of the support frame, and magnetic separation assemblies fixedly connected to the support frame on both sides of the feeding assembly. In the utility model, the feeding assembly can store and discharge graphite negative electrode materials, and the feeding assembly can be driven to move by the arranged driving assembly, so that the discharge of graphite negative electrode materials is more uniform. When the graphite negative electrode materials are discharged, they pass through the gap between the magnetic separation assemblies on both sides, and the impurities with ferromagnetic properties are attached to the conveyor belt under the attraction of the electromagnet. When the conveyor belt moves, the arranged baffle can drive the impurities with ferromagnetic properties to follow and move until they are separated from the attraction of the electromagnet and fall into the second storage box, and the remaining materials fall into the first storage box.

Description

Technical Field

[0001] The utility model relates to the technical field of material demagnetization devices, in particular to a demagnetization device for graphite negative electrode materials. Background Art

[0002] The graphite negative electrode material needs to be purified during the production process, which includes the following steps: firstly, the raw material of the unpurified graphite negative electrode material is crushed, that is, the raw material is first crushed in a roll crusher, and then the crushed material is ground in a Raymond mill, and then the crushed material is demagnetized to remove impurities with ferromagnetic properties.

[0003] The demagnetization device in the prior art has the following disadvantages: the device structure is complex, the operation is cumbersome, the equipment cost is high, and a large amount of materials cannot be processed quickly and fully, which is not conducive to the large-scale production and preparation of graphite negative electrode materials. Therefore, improvement is needed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a demagnetization device for graphite negative electrode materials.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a demagnetization device for graphite negative electrode materials, comprising a base, a support frame fixedly connected to the base, a feeding assembly arranged above the support frame, a driving assembly for driving the feeding assembly to move horizontally back and forth arranged at the top of the support frame, a magnetic separation assembly located on both sides of the feeding assembly is arranged on the support frame, the base is connected to a first storage box, and second storage boxes are arranged on the upper surface of the base on both sides of the first storage box.

[0006] Furthermore, the driving assembly includes fixing plates fixed to the top ends of both sides of the support frame, a screw rod is rotatably connected to one side of the fixing plates, and a limiting rod is fixedly connected to the other side of the fixing plates.

[0007] Furthermore, a first servo motor is fixedly connected to the outer side of one of the fixed plates, and an output end of the first servo motor is fixedly connected to one end of the screw rod.

[0008] Furthermore, the feeding assembly includes a connecting block, one side of which is threadedly connected to the screw rod, and the other side of which is slidably connected to the limiting rod.

[0009] Furthermore, a storage tank is fixedly connected to the connection block, and a feed pipe is fixedly connected to the bottom end of the storage tank through the connection block, and a valve is provided on the feed pipe.

[0010] Furthermore, the magnetic separation component includes a fixed frame fixedly connected to the support frame, a plurality of rollers are rotatably connected inside the fixed frame, a conveyor belt is sleeved on the outside of the plurality of rollers, and a plurality of baffles are fixedly connected to the outside of the conveyor belt.

[0011] Furthermore, a second servo motor is fixedly connected to one side of the fixing frame, and an output end of the second servo motor is fixedly connected to one end of the corresponding roller.

[0012] Furthermore, a mounting plate is fixedly connected inside the fixing frame, an electromagnet is fixedly connected to one side of the mounting plate, and the electromagnet is in contact with the inner side of the conveyor belt.

[0013] Beneficial effects of the utility model:

[0014] When the utility model is in use, the graphite negative electrode material demagnetization device, the feeding component can store and discharge the graphite negative electrode material, the feeding component can be driven to move by the arranged driving component, so that the graphite negative electrode material is discharged more evenly, and when the graphite negative electrode material is discharged, it passes through the gap between the magnetic separation components on both sides, and the impurities with ferromagnetic properties are attached to the conveyor belt under the attraction of the electromagnet, and when the conveyor belt moves, the arranged baffle can drive the impurities with ferromagnetic properties to follow the movement until they are separated from the attraction of the electromagnet and fall into the second storage box, and the remaining materials fall into the first storage box, so that the graphite negative electrode material can be continuously and quickly demagnetized, and the device has a simple structure and is easy to maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 : A front view of the utility model;

[0017] Figure 2 : Schematic diagram of the drive assembly structure of the utility model;

[0018] Figure 3 : Schematic diagram of the structure of the feeding assembly of the utility model;

[0019] Figure 4 : Schematic diagram of the conveyor belt installation structure of the utility model;

[0020] Figure 5 : Schematic diagram of the roller installation structure of the utility model.

[0021] The reference numerals are as follows:

[0022] 1. Base; 2. First storage box; 3. Second storage box; 4. Support frame; 5. Magnetic separation assembly; 6. Feed assembly; 7. Fixed plate; 8. Screw; 9. Limit rod; 10. First servo motor; 11. Connecting block; 12. Storage tank; 13. Feeding pipe; 14. Valve; 15. Fixed frame; 16. Conveyor belt; 17. Baffle; 18. Mounting plate; 19. Electromagnet; 20. Roller; 21. Second servo motor. DETAILED DESCRIPTION

[0023] 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 of 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.

[0024] like Figure 1-5 As shown, a demagnetization device for graphite negative electrode materials is disclosed, comprising a base 1, a support frame 4 is fixedly connected to the base 1, a feeding assembly 6 is arranged above the support frame 4, a driving assembly for driving the feeding assembly 6 to move horizontally is arranged at the top of the support frame 4, a magnetic separation assembly 5 located on both sides of the feeding assembly 6 is arranged on the support frame 4, the base 1 is connected to a first storage box 2, and second storage boxes 3 are arranged on the upper surface of the base 1 on both sides of the first storage box 2.

[0025] like Figure 1-5 As shown, the driving assembly includes a fixed plate 7 fixed to the top of both sides of the support frame 4, a screw 8 is rotatably connected on one side between the fixed plates 7, and a limit rod 9 is fixedly connected on the other side between the fixed plates 7. A first servo motor 10 is fixedly connected to the outer side of one of the fixed plates 7, and the output end of the first servo motor 10 is fixedly connected to one end of the screw 8. The first servo motor 10 drives the screw 8 to rotate reciprocatingly, and can drive the feeding assembly 6 to reciprocate along the limit rod 9 through the connecting block 11. The moving range of the feeding assembly 6 can be adjusted according to the length of the electromagnet 19 to prevent materials without ferromagnetic properties from falling into the second storage box 3.

[0026] like Figure 1-5 As shown, the feeding assembly 6 includes a connecting block 11, one side of the connecting block 11 is threadedly connected to the screw 8, and the other side of the connecting block 11 is slidably connected to the limiting rod 9. A storage tank 12 is fixedly connected to the connecting block 11, and a discharge pipe 13 is fixedly connected to the bottom end of the storage tank 12 through the connecting block 11. A valve 14 is provided on the discharge pipe 13. The graphite negative electrode material is stored in the storage tank 12 and can be fed through a screw conveyor (not shown). The opening and closing of the discharge pipe 13 can be controlled by the provided valve 14, and the discharge can be carried out through the discharge pipe 13.

[0027] like Figure 1-5 As shown, the magnetic separation assembly 5 includes a fixed frame 15 fixedly connected to the support frame 4, a plurality of rollers 20 are rotatably connected inside the fixed frame 15, a conveyor belt 16 is sleeved on the outside of the plurality of rollers 20, a plurality of baffles 17 are fixedly connected to the outside of the conveyor belt 16, a second servo motor 21 is fixedly connected to one side of the fixed frame 15, an output end of the second servo motor 21 is fixedly connected to one end of the corresponding roller 20, a mounting plate 18 is fixedly connected inside the fixed frame 15, an electromagnet 19 is fixedly connected to one side of the mounting plate 18, and the electromagnet 19 is connected to the transmission The graphite negative electrode material is unloaded through the gap between the magnetic separation components 5 on both sides, and the impurities with ferromagnetic properties are attached to the conveyor belt 16 under the attraction of the electromagnet 19. The second servo motor 21 and the roller 20 are rotated to drive the conveyor belt 16 to move. When the conveyor belt 16 moves, the baffle 17 can drive the impurities with ferromagnetic properties to follow the movement until they are free from the attraction of the electromagnet 19 and fall into the second storage box 3, and the remaining materials fall into the first storage box 2.

[0028] Working principle: When in use, the feeding assembly 6 can store and discharge graphite negative electrode materials. Specifically, the graphite negative electrode materials are stored in the storage tank 12, and can be fed through a screw conveyor (not shown). The opening and closing of the discharge pipe 13 can be controlled by the provided valve 14, and the discharge can be carried out through the discharge pipe 13. The provided driving assembly can drive the feeding assembly 6 to move, so that the discharge of the graphite negative electrode material is more uniform. Specifically, the first servo motor 10 drives the screw 8 to reciprocate, which can drive the feeding assembly 6 to reciprocate along the limit rod 9 through the connecting block 11. The moving range of the feeding assembly 6 is The length of the electromagnet 19 can be adjusted to prevent materials without ferromagnetic properties from falling into the second storage box 3. When the graphite negative electrode material is unloaded, it passes through the gap between the magnetic separation components 5 on both sides. The impurities with ferromagnetic properties are attached to the conveyor belt 16 under the attraction of the electromagnet 19. The second servo motor 21 and the roller 20 are rotated to drive the conveyor belt 16 to move. When the conveyor belt 16 moves, the baffle 17 can drive the impurities with ferromagnetic properties to follow the movement until they are free from the attraction of the electromagnet 19 and fall into the second storage box 3. The remaining materials fall into the first storage box 2.

[0029] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A graphite negative electrode material demagnetization device, comprising a base (1), characterized in that: The base (1) is fixedly connected to a support frame (4), a feeding assembly (6) is arranged above the support frame (4), a driving assembly for driving the feeding assembly (6) to move horizontally and reciprocatingly is arranged at the top of the support frame (4), a magnetic separation assembly (5) located on both sides of the feeding assembly (6) is arranged on the support frame (4), the base (1) is connected to a first material storage box (2), and a second material storage box (3) is arranged on the upper surface of the base (1) on both sides of the first material storage box (2).

2. A graphite negative electrode material demagnetization device according to claim 1, characterized in that: The driving assembly comprises fixing plates (7) fixed to the top ends of both sides of the support frame (4), a screw rod (8) is rotatably connected to one side of the fixing plates (7), and a limiting rod (9) is fixedly connected to the other side of the fixing plates (7).

3. A graphite negative electrode material demagnetization device according to claim 2, characterized in that: A first servo motor (10) is fixedly connected to the outer side of one of the fixed plates (7), and an output end of the first servo motor (10) is fixedly connected to one end of a screw rod (8).

4. A graphite negative electrode material demagnetization device according to claim 2, characterized in that: The feeding assembly (6) comprises a connecting block (11), one side of the connecting block (11) is threadedly connected to the screw rod (8), and the other side of the connecting block (11) is slidably connected to the limiting rod (9).

5. A graphite negative electrode material demagnetization device according to claim 4, characterized in that: A material storage tank (12) is fixedly connected to the connection block (11), and a material discharge pipe (13) is fixedly connected to the bottom end of the material storage tank (12) through the connection block (11), and a valve (14) is provided on the material discharge pipe (13).

6. A graphite negative electrode material demagnetization device according to claim 1, characterized in that: The magnetic separation component (5) comprises a fixed frame (15) fixedly connected to the support frame (4), a plurality of rollers (20) are rotatably connected inside the fixed frame (15), a conveyor belt (16) is sleeved on the outside of the plurality of rollers (20), and a plurality of baffles (17) are fixedly connected to the outside of the conveyor belt (16).

7. A graphite negative electrode material demagnetization device according to claim 6, characterized in that: A second servo motor (21) is fixedly connected to one side of the fixed frame (15), and an output end of the second servo motor (21) is fixedly connected to one end of a corresponding roller (20).

8. A graphite negative electrode material demagnetization device according to claim 7, characterized in that: A mounting plate (18) is fixedly connected inside the fixing frame (15), and an electromagnet (19) is fixedly connected to one side of the mounting plate (18), and the electromagnet (19) is in contact with the inner side of the conveyor belt (16).

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