CN220048334U - Lithium battery graphite negative electrode material grinding device - Google Patents
Lithium battery graphite negative electrode material grinding device Download PDFInfo
- Publication number
- CN220048334U CN220048334U CN202321010644.XU CN202321010644U CN220048334U CN 220048334 U CN220048334 U CN 220048334U CN 202321010644 U CN202321010644 U CN 202321010644U CN 220048334 U CN220048334 U CN 220048334U
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- Prior art keywords
- grinding
- grinding disc
- lithium battery
- disc
- negative electrode
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 30
- 239000010439 graphite Substances 0.000 title claims abstract description 30
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 26
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000007773 negative electrode material Substances 0.000 title claims description 14
- 239000000463 material Substances 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 18
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 11
- 241001330002 Bambuseae Species 0.000 claims description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 11
- 239000011425 bamboo Substances 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 abstract description 16
- 239000010406 cathode material Substances 0.000 abstract description 15
- 238000007599 discharging Methods 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a grinding device for graphite cathode materials of lithium batteries, which particularly relates to the field of grinding devices, and comprises a machine case, a grinding cylinder, a feeding hole, a discharging hole and a top cover, wherein the grinding cylinder is arranged at the top end of the machine case, the feeding hole is arranged at one side of the bottom end of the grinding cylinder, the feeding hole is arranged at one side of the top end of the grinding cylinder, the top cover is arranged at the top end of the grinding cylinder, an outer frame is arranged on the inner wall of the grinding cylinder, a plurality of groups of grinding assemblies are arranged on the outer frame, and the plurality of groups of grinding assemblies are matched and connected with a rotating mechanism. The utility model has the advantages of capability of grinding graphite cathode materials for multiple times, capability of finishing grinding once, no need of taking out and putting in large-particle materials again for repeated grinding, high grinding efficiency, thorough grinding and capability of automatically discharging graphite cathode materials which are qualified in grinding.
Description
Technical Field
The utility model relates to the technical field of grinding devices, in particular to a grinding device for graphite cathode materials of a lithium battery.
Background
A lithium battery is a primary battery using a nonaqueous electrolyte solution with lithium metal or lithium alloy as a negative electrode material, unlike a rechargeable battery lithium ion battery and a lithium ion polymer battery. The lithium battery has not been used for a long time because the chemical characteristics of lithium metal are very active, so that the processing, preservation and use of lithium metal have very high environmental requirements. Along with the development of microelectronic technology at the end of the twentieth century, miniaturized equipment is increased, high requirements are put on a power supply, a lithium battery is put into a large-scale practical stage, and in the production process of the graphite negative electrode material of the lithium battery, the graphite negative electrode material of the lithium battery is required to be ground.
The utility model patent of patent publication No. CN215783614U discloses a grinding device for processing lithium battery graphite negative electrode materials, which comprises a first box body and a second box body fixedly arranged on the left side of the first box body, wherein a partition plate is arranged in the first box body, the right side of the partition plate is provided with a grinding component, the left side of the partition plate is provided with a transmission component, a driving component which is in transmission connection with the transmission component and provides power for the grinding component is arranged in the second box body, the grinding component comprises a first grinding roller, two second grinding rollers which are positioned on the upper side of the first grinding roller and are symmetrically arranged, and two third grinding rollers which are positioned on the lower side of the first grinding roller and are symmetrically arranged, a first gap is arranged between the two second grinding rollers and the first grinding roller, and the rotation directions of the two second grinding rollers and the first grinding roller are opposite. The utility model provides a grinding device for processing a graphite cathode material of a lithium battery, which realizes high-efficiency and high-quality multistage grinding.
However, when the structure is in actual use, since the graphite cathode material needs to be ground into extremely small powder, and the structure adopts the sieve plate for filtering, the large particles filtered on the sieve plate need to be manually put into the sieve plate for secondary grinding, so that the grinding efficiency is reduced, and meanwhile, since the graphite cathode material particles which are used in accordance with the specification after grinding are extremely small, the sieve plate is not suitable for filtering, and therefore, the grinding device for the graphite cathode material of the lithium battery is provided.
Disclosure of Invention
The technical scheme of the utility model aims at solving the technical problem of overlarge singleness in the prior art and provides a solution which is obviously different from the prior art. In order to overcome the defects in the prior art, the utility model provides a grinding device for graphite cathode materials of a lithium battery, which is used for solving the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lithium cell graphite negative pole material grinding device, includes quick-witted case, a powder grinding section of thick bamboo, feed inlet, discharge gate and top cap, and a powder grinding section of thick bamboo is installed on machine case top, and a powder grinding section of thick bamboo bottom one side is provided with the feed inlet, and a powder grinding section of thick bamboo top one side is provided with the feed inlet, and the top cap is installed on a powder grinding section of thick bamboo top, and the outer frame is installed to a powder grinding section of thick bamboo inner wall, installs multiunit grinding subassembly on the outer frame, multiunit grinding subassembly cooperation links up has slewing mechanism.
Preferably, the rotation mechanism comprises a motor mounted on the chassis.
The bull stick, bull stick top and motor connection, the bottom inserts inside the quick-witted case.
And one end of the belt is sleeved and connected with the bottom end of the rotating rod.
The top end of the supporting rod is connected with the top cover, the bottom end of the supporting rod is inserted into the powder grinding cylinder and extends into the machine case, and the other end of the belt is sleeved at the bottom end of the supporting rod.
The swing rods are uniformly arranged on the supporting rods and are positioned in the grinding barrel.
Preferably, the grinding assembly comprises a lower grinding disc, the lower grinding disc is arranged on the outer frame, and the middle part of the lower grinding disc is sleeved on the supporting rod.
And the upper millstone is arranged at the top end of the lower millstone.
The grinding cavity is arranged between the lower grinding disc and the upper grinding disc, and a plurality of swinging rods are inserted into the grinding cavity.
Preferably, the upper grinding disc and the lower grinding disc have the same structure, and are provided with a plurality of article accommodating grooves, and arc-shaped openings are formed in two sides of each article accommodating groove.
Preferably, a plurality of ventilation openings are formed in the upper grinding disc and the lower grinding disc, and the ventilation openings are uniformly arranged.
Preferably, the outer frame comprises a top ring and a collision plate, a plurality of collision plates are uniformly welded at the bottom end of the top ring, and the inner wall of the top ring is welded with the edge of the upper grinding disc at the top end.
The utility model has the technical effects and advantages that:
1. through the setting of the rotating mechanism and the grinding assembly, compared with the prior art, the rotating mechanism can enable the swinging rod to swing in the grinding cavity, so that the graphite cathode material is ground to form powder particles meeting the specification, and simultaneously, the particles forming the powder are automatically discharged from the discharge port along the wind force by matching with the blasting effect of the feed port, so that the graphite cathode material is ground more thoroughly, secondary processing is avoided, and the processing efficiency is improved;
2. through outer frame and slewing mechanism complex setting, compare with prior art, when slewing mechanism operates, can make the pendulum rod promote large granule material for large granule material can slide the striking along the pendulum rod on the outer frame, thereby realize smashing large granule material, thereby smash large granule material, conveniently cooperate grinding subassembly to carry out fine grinding.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of the internal structure of the grinding barrel of the utility model.
Fig. 3 is a schematic structural view of the rotating mechanism of the present utility model.
Fig. 4 is a schematic structural view of the grinding assembly of the present utility model.
Fig. 5 is a schematic diagram of the whole structure of the grinding disc of the utility model.
The reference numerals are: 1. a chassis; 2. a powder grinding cylinder; 3. a feed inlet; 4. a discharge port; 5. a top cover; 6. a rotating mechanism; 601. a motor; 602. a rotating rod; 603. a belt; 604. a support rod; 605. swing rod; 7. an outer frame; 8. grinding components; 801. a lower grinding disc; 802. an upper millstone; 803. a grinding cavity; 9. a storage tank; 10. an arc-shaped opening.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The graphite negative electrode material grinding device of the lithium battery comprises a machine case 1, a grinding cylinder 2, a feeding hole 3, a discharging hole 4 and a top cover 5, wherein the grinding cylinder 2 is arranged at the top end of the machine case 1, the feeding hole 3 is arranged at one side of the bottom end of the grinding cylinder 2, the feeding hole 3 is arranged at one side of the top end of the grinding cylinder 2, the top cover 5 is arranged at the top end of the grinding cylinder 2, an outer frame 7 is arranged on the inner wall of the grinding cylinder 2, a plurality of groups of grinding assemblies 8 are arranged on the outer frame 7, and the plurality of groups of grinding assemblies 8 are matched and connected with a rotating mechanism 6.
As shown in fig. 3, the rotation mechanism 6 includes a motor 601, and the motor 601 is mounted on the casing 1.
The top end of the rotating rod 602 is connected with the motor 601, and the bottom end of the rotating rod 602 is inserted into the chassis 1.
And one end of the belt 603 is sleeved and connected with the bottom end of the rotating rod 602.
The support rod 604, the top of the support rod 604 is connected with the top cover 5, the bottom is inserted into the grinding cylinder 2 and extends into the case 1, and the bottom of the support rod 604 is sleeved with the other end of the belt 603.
And a plurality of swing rods 605, wherein each swing rod 605 is uniformly arranged on the support rod 604 and is positioned inside the grinding cylinder 2.
When grinding the graphite cathode material, the motor 601 operates to enable the rotating rod 602 to rotate, the supporting rod 604 rotates under the driving of the belt 603, so that the swinging rod 605 swings rapidly, and the placed material enters the grinding cavity 803 and is matched with the grinding assembly 8 to grind the graphite cathode material.
As shown in fig. 4, the grinding assembly 8 comprises a lower grinding disc 801, wherein the lower grinding disc 801 is mounted on the outer frame 7, and the middle part of the lower grinding disc 801 is sleeved on the supporting rod 604.
An upper grinding disc 802, the upper grinding disc 802 is mounted on the top end of the lower grinding disc 801.
The grinding cavity 803, the grinding cavity 803 sets up between lower mill 801 and last mill 802, and has pegged graft in the grinding cavity 803 a plurality of pendulum rods 605, and grinding cavity 803 makes things convenient for pendulum rods 605 to normally rotate along with branch 604, and makes pendulum rods 605 can push away the granule in the storage tank 9.
As shown in fig. 5, the upper grinding disc 802 and the lower grinding disc 801 have the same structure, and are provided with a plurality of receiving slots 9, two sides of each receiving slot 9 are provided with arc openings 10, the receiving slots 9 are convenient for stacking small particles, and the arc openings 10 can be convenient for the swing rod 605 to push the protruding particles in the receiving slots 9 to move and extrude the arc openings 10.
As shown in fig. 5, a plurality of ventilation openings are formed in each of the upper grinding disc 802 and the lower grinding disc 801, and the ventilation openings are uniformly arranged so that powder particles conforming to the specification can be discharged from the ventilation openings.
As shown in fig. 2, the outer frame 7 comprises a top ring and a striking plate, a plurality of striking plates are uniformly welded at the bottom end of the top ring, and the inner wall of the top ring is welded with the edge of the upper grinding disc 802 at the top end.
The working principle of the utility model is as follows: when the lithium battery graphite negative electrode material grinding device is used for grinding lithium battery graphite negative electrode materials, raw materials are put into the material inlet 3 and are blown, the motor 601 operates, the rotating rod 602 rotates, the supporting rod 604 rotates under the drive of the belt 603, the swinging rod 605 swings rapidly, the put materials enter the grinding cavity 803, larger particles of materials are formed, under the impact of the swinging rod 605, the large particles of materials are thrown out and impact on the impact plate to split to form small particles, the small particles of materials enter the grinding cavity 803 again under the action of the blowing, fall into the material containing groove 9, the small particles of materials are pushed and extruded to the arc-shaped opening 10 in the swinging process of the swinging rod 605, the small particles of materials are extruded to form powder in the swinging process of the swinging rod 605, the powder of materials pass through the arc-shaped opening 10, the upper grinding disc 801, the lower grinding disc 802 and the pressing of the grinding rod 605 form smaller particles under the grinding, and circulate until the powder is in a qualified size, then the powder is discharged from the material outlet of the grinding cylinder 4 under the action of the blowing air, and the powder is discharged from the material outlet of the grinding cylinder 4.
The utility model has the advantages of capability of grinding graphite cathode materials for multiple times, capability of finishing grinding once, no need of taking out and putting in large-particle materials again for repeated grinding, high grinding efficiency, thorough grinding and capability of automatically discharging graphite cathode materials which are qualified in grinding.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. The utility model provides a lithium cell graphite negative pole material grinding device, includes quick-witted case (1), grinding section of thick bamboo (2), feed inlet (3), discharge gate (4) and top cap (5), grinding section of thick bamboo (2) are installed on machine case (1) top, grinding section of thick bamboo (2) bottom one side is provided with feed inlet (3), grinding section of thick bamboo (2) top one side is provided with feed inlet (3), top cap (5) are installed on grinding section of thick bamboo (2) top, its characterized in that: an outer frame (7) is arranged on the inner wall of the grinding barrel (2), a plurality of groups of grinding assemblies (8) are arranged on the outer frame (7), and the plurality of groups of grinding assemblies (8) are matched and connected with a rotating mechanism (6).
2. The lithium battery graphite negative electrode material grinding device according to claim 1, wherein: the rotating mechanism (6) comprises a motor (601), and the motor (601) is arranged on the case (1);
the top end of the rotating rod (602) is connected with the motor (601), and the bottom end of the rotating rod is inserted into the chassis (1);
one end of the belt (603) is sleeved and connected with the bottom end of the rotating rod (602);
the top end of the supporting rod (604) is connected with the top cover (5), the bottom end of the supporting rod (604) is inserted into the powder grinding cylinder (2) and extends into the machine case (1), and the other end of the belt (603) is sleeved at the bottom end of the supporting rod (604);
and the swinging rods (605) are uniformly arranged on the supporting rods (604) and are positioned in the grinding cylinder (2).
3. The lithium battery graphite negative electrode material grinding device according to claim 1, wherein: the grinding assembly (8) comprises a lower grinding disc (801), the lower grinding disc (801) is arranged on the outer frame (7), and the middle part of the lower grinding disc is sleeved on the supporting rod (604);
an upper grinding disc (802), wherein the upper grinding disc (802) is arranged at the top end of the lower grinding disc (801);
the grinding cavity (803) is arranged between the lower grinding disc (801) and the upper grinding disc (802), and a plurality of swinging rods (605) are inserted into the grinding cavity (803).
4. A lithium battery graphite negative electrode material grinding device according to claim 3, characterized in that: the upper grinding disc (802) and the lower grinding disc (801) are identical in structure, a plurality of article accommodating grooves (9) are formed in the upper grinding disc, and arc-shaped openings (10) are formed in two sides of each article accommodating groove (9).
5. A lithium battery graphite negative electrode material grinding device according to claim 3, characterized in that: a plurality of ventilation openings are formed in the upper grinding disc (802) and the lower grinding disc (801), and the ventilation openings are uniformly arranged.
6. The lithium battery graphite negative electrode material grinding device according to claim 1, wherein: the outer frame (7) comprises a top ring and collision plates, a plurality of collision plates are uniformly welded at the bottom end of the top ring, and the inner wall of the top ring is welded with the edge of an upper grinding disc (802) at the top end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321010644.XU CN220048334U (en) | 2023-04-28 | 2023-04-28 | Lithium battery graphite negative electrode material grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321010644.XU CN220048334U (en) | 2023-04-28 | 2023-04-28 | Lithium battery graphite negative electrode material grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220048334U true CN220048334U (en) | 2023-11-21 |
Family
ID=88758793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321010644.XU Active CN220048334U (en) | 2023-04-28 | 2023-04-28 | Lithium battery graphite negative electrode material grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220048334U (en) |
-
2023
- 2023-04-28 CN CN202321010644.XU patent/CN220048334U/en active Active
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