CN209829175U - Secondary crushing device for lithium ion battery cathode material - Google Patents
Secondary crushing device for lithium ion battery cathode material Download PDFInfo
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- CN209829175U CN209829175U CN201920442306.0U CN201920442306U CN209829175U CN 209829175 U CN209829175 U CN 209829175U CN 201920442306 U CN201920442306 U CN 201920442306U CN 209829175 U CN209829175 U CN 209829175U
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Abstract
The utility model relates to a lithium ion battery cathode material second grade reducing mechanism. The crushing device comprises a rack, wherein a primary crushing device is arranged above the rack, a secondary crushing device is arranged below the primary crushing device, the primary crushing device comprises a primary crushing box and a first crushing cutter unit, a primary feeding hole is arranged above the primary crushing box, and a primary discharging hole is arranged below the primary crushing box; the second grade reducing mechanism includes that the case is smashed to the second grade, first crushing roller, second smash roller, steerable first crushing roller rotatory first crushing roller motor and steerable second crushing roller motor, and the case top is smashed to the second grade is provided with the second grade feed inlet, and the below is provided with the second grade discharge gate. The utility model discloses it is even, crushing efficient to smash the granule.
Description
Technical Field
The utility model belongs to the technical field of rechargeable battery and specifically relates to a lithium ion battery cathode material second grade reducing mechanism.
Background
A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. The negative electrode is formed by coating layered graphite, a conductive agent and a binder on a copper foil base band, the graphite serving as a negative electrode material is non-toxic and sufficient in resources, lithium ions are embedded into carbon, the high activity of lithium is overcome, the safety problem of the traditional lithium battery is solved, the charge and discharge performance and the service life of the positive electrode LixCoO2 can reach higher levels, and the cost is reduced.
The lithium battery negative electrode material is mainly graphite, and when the lithium battery negative electrode is produced, the graphite needs to be subjected to crushing, screening, mixing and other processing, wherein the crushing is an important process, and the crushed graphite is required to be uniform in particle size and high in crushing efficiency. However, the existing crushing apparatus has the following disadvantages:
1. the particle size is not uniform. The granularity range of the graphite particles crushed by the existing crushing device is large, the uniformity of the particle size cannot be guaranteed, and the quality of the battery is influenced.
2. The crushing efficiency is low. The existing crushing device has large-particle materials after being crushed, and in the process of screening in the later period, a plurality of particles do not meet the production requirement and need to be reprocessed and crushed with low efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an above-mentioned technical problem who exists among the solution background art, and provide a lithium ion battery cathode material second grade reducing mechanism that crushing granule is even, smashes efficiently.
The technical solution of the utility model is that: the utility model relates to a lithium ion battery cathode material second grade reducing mechanism, including the frame, its special character lies in: a first-stage crushing device is arranged above the rack, a second-stage crushing device is arranged below the first-stage crushing device, the first-stage crushing device comprises a first-stage crushing box and a first crushing cutter unit, a first-stage feed port is arranged above the first-stage crushing box, a first-stage discharge port is arranged below the first-stage crushing box, the first crushing cutter unit comprises a first crushing cutter, a first crushing cutter holder, a first crushing cutter shaft and a first crushing cutter motor capable of controlling the first crushing cutter shaft to rotate, the first crushing cutter is arranged on the first crushing cutter shaft through the first crushing cutter holder, the first crushing cutter motor is connected with the first crushing cutter shaft, the first crushing cutter shaft is arranged in the first-stage crushing box and is positioned below the first-stage feed port, and the first crushing cutter motor is arranged outside the first-stage; the second grade reducing mechanism includes that the second grade smashes the case, first crushing roller, the roller is smashed to the second, the rotatory first crushing roller motor of steerable first crushing roller and the rotatory second crushing roller motor of steerable second crushing roller, second grade crushing case top is provided with the second grade feed inlet, the below is provided with the second grade discharge gate, one-level discharge gate and second grade feed inlet intercommunication, first crushing roller and second crushing roller parallel arrangement are in the second grade crushing incasement body, be located second grade feed inlet below, first crushing roller motor and second crushing roller motor set up outside the second grade crushing case box.
Preferably, the one-level reducing mechanism further comprises a second reducing knife unit, the second reducing knife unit is arranged below the first reducing knife unit, the second reducing knife unit comprises a second reducing knife, a second reducing knife holder, a second reducing knife shaft and a second reducing knife motor capable of controlling the second reducing knife shaft to rotate, the second reducing knife is arranged on the second reducing knife shaft through the second reducing knife holder, the second reducing knife motor is connected with the second reducing knife shaft, the second reducing knife shaft is arranged in the one-level reducing box body and is positioned below the first reducing knife shaft, and the second reducing knife motor is arranged outside the one-level reducing box body.
Preferably, 6 to 20 first crushing knives are uniformly distributed on the first crushing knife shaft.
Preferably, the number of the second crushing knives is 5-21, and the second crushing knives are uniformly distributed on the second crushing knife shaft.
Preferably, the first crushing blades and the second crushing blades are staggered.
Preferably, the first crushing knife motor and the second crushing knife motor are arranged on the rack through a first motor base and a second motor base respectively.
Preferably, the first mill roller and the second mill roller rotate in opposite directions.
Preferably, the first-stage discharge port is V-shaped.
Preferably, the secondary discharge port is V-shaped.
Preferably, a material receiving box is arranged below the secondary discharge hole.
The utility model discloses a mode is smashed to the second grade, and it is provided with one-level reducing mechanism and second grade reducing mechanism, and the one-level is smashed and is adopted broken sword to smash graphite material earlier, carries out the middlings, and the rethread second grade is smashed, adopts the mode of smashing the roller to carry out the farine, and it has following advantage:
1. the particles are uniform. The utility model discloses a reducing mechanism smashes out the granularity scope of graphite granule little, can guarantee that the granule size is even, can not influence battery quality.
2. The crushing efficiency is high. The utility model discloses a reducing mechanism smashes out the granularity scope of graphite granule and is little, need not sieve again at the later stage, need not reprocess, smashes efficiently.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The reference numerals are explained below:
1. the frame, 2, first crushing sword motor, 3, first motor cabinet, 4, first crushing sword, 5, the one-level feed inlet, 6, first crushing blade holder, 7, first crushing arbor, 8, the crushing arbor of second, 9, the crushing sword of second, 10, the one-level discharge gate, 11, the crushing blade holder of second, 12, the crushing case of one-level, 13, the crushing case of second grade, 14, the crushing roller motor of second, 15, the crushing roller of second, 16, the discharge gate of second grade, 17, the material collecting box, 18, first crushing roller, 19, the first crushing roller motor, 20, the feed inlet of second grade, 21, the second motor cabinet, 22, the crushing sword motor of second.
Detailed Description
Referring to fig. 1, a specific embodiment of the present invention comprises a frame 1, a first-stage crushing device disposed above the frame 1, a second-stage crushing device disposed below the first-stage crushing device, the first-stage crushing device comprising a first-stage crushing box 12, a first crushing cutter unit and a second crushing cutter unit, a first-stage feed inlet 5 disposed above the first-stage crushing box 12, a first-stage discharge outlet 10 disposed below the first-stage crushing box, the first crushing cutter unit comprising a first crushing cutter 4, a first crushing cutter holder 6, a first crushing cutter shaft 7 and a first crushing cutter motor 2 capable of controlling the first crushing cutter shaft 7 to rotate, the first crushing cutter 4 disposed on the first crushing cutter shaft 7 through the first crushing cutter holder 6, the first crushing cutter motor 2 connected with the first crushing cutter shaft 7 through a bearing and a connecting shaft, the first crushing cutter shaft 7 disposed in the first-stage crushing box 12 and located below the first-stage feed inlet 5, the first crushing knife motor 2 is arranged outside the box body of the primary crushing box 12; the second crushing cutter unit is arranged below the first crushing cutter unit, the second crushing cutter unit comprises a second crushing cutter 9, a second crushing cutter seat 11, a second crushing cutter shaft 8 and a second crushing cutter motor 22 capable of controlling the second crushing cutter shaft 8 to rotate, the second crushing cutter 9 is arranged on the second crushing cutter shaft 8 through the second crushing cutter seat 11, the second crushing cutter motor 21 is connected with the second crushing cutter shaft 8 through a bearing and a connecting shaft, the second crushing cutter shaft 8 is arranged in the one-level crushing box 12 box body and is positioned below the first crushing cutter shaft 7, and the second crushing cutter motor 22 is arranged outside the one-level crushing box 12 box body. Wherein, 6-20 first crushing knives 4 are uniformly distributed on a first crushing knife shaft 7; the number of the second crushing blades 9 is 5-21, and the second crushing blades are uniformly distributed on the second crushing blade shaft 8, that is, in a specific structure, the number of the second crushing blades 9 is 1 or more than one less than that of the first crushing blades 4, so that the first crushing blades 4 and the second crushing blades 9 are arranged in a staggered manner, in this embodiment, the number of the first crushing blades 4 is 11, the number of the second crushing blades 9 is 10, and each second crushing blade 9 is arranged between two first crushing blades 4. Because the vibrations are great among the crushing process, first crushing sword motor 2 and the setting of second crushing sword motor 21 preferred are on frame 1 through first motor cabinet 3 and second motor cabinet 21 respectively. The shape of the first-level discharge hole 10 is V-shaped, so that the materials can be conveniently collected in a centralized manner.
The second grade reducing mechanism includes second grade crushing case 13, first crushing roller 18, second crushing roller 15, the rotatory first crushing roller motor 19 of steerable first crushing roller 18 and the rotatory second crushing roller motor 14 of steerable second crushing roller 15, second grade crushing case 13 top is provided with second grade feed inlet 20, the below is provided with second grade discharge gate 16, one-level discharge gate 10 and second grade feed inlet 20 intercommunication, first crushing roller 18 and second crushing roller 15 parallel arrangement are in second grade crushing case 13 box, be located second grade feed inlet 20 below, first crushing roller motor 19 and second crushing roller motor 14 set up outside second grade crushing case 13 box, first crushing roller motor 19 and second crushing roller motor 14 of preferred also set up on frame 1 through the motor cabinet. In order to improve the crushing effect, the first crushing roller motor 19 and the second crushing roller motor 14 respectively control the first crushing roller 18 and the second crushing roller 15 to rotate oppositely and keep the rotating speed the same. In the present embodiment, the first crushing roller 18 rotates clockwise, and the second crushing roller 15 rotates counterclockwise. At the same time, to further improve the pulverization efficiency, in the present embodiment, the first pulverization roller 18 and the second pulverization roller 15 are disposed horizontally and vertically with respect to the first pulverization blade shaft 7. The shape of the second-stage discharge port 20 is also V-shaped, so that the materials can be conveniently collected in a centralized manner. A material receiving box 17 for collecting the crushed graphite particles is arranged below the second-stage discharge port 20.
The utility model discloses the during operation at first will treat broken graphite material through the material loading machine among the prior art or the manual work and carry to one-level feed inlet 5, enter into the one-level and smash the case 12 in, smash the back through first crushing sword unit and second, rethread one-level discharge gate 10 and second grade feed inlet 20 enter into second grade and smash the incasement 13, the crushing back of roll 15 is smashed to rethread first crushing roller 18 and second, gets into through second grade discharge gate 20 and receives workbin 17. So far, the graphite particles are crushed and molded at one time.
The above is only a specific embodiment of the present disclosure, but the scope of the present disclosure is not limited thereto, and the scope of the present disclosure should be determined by the scope of the claims.
Claims (10)
1. The utility model provides a lithium ion battery cathode material second grade reducing mechanism, includes the frame, its characterized in that: a first-stage crushing device is arranged above the rack, a second-stage crushing device is arranged below the first-stage crushing device, the first-stage crushing device comprises a first-stage crushing box and a first crushing cutter unit, a first-stage feed port is arranged above the first-stage crushing box, a first-stage discharge port is arranged below the first-stage crushing box, the first crushing cutter unit comprises a first crushing cutter, a first crushing cutter holder, a first crushing cutter shaft and a first crushing cutter motor capable of controlling the first crushing cutter shaft to rotate, the first crushing cutter is arranged on the first crushing cutter shaft through the first crushing cutter holder, the first crushing cutter motor is connected with the first crushing cutter shaft, the first crushing cutter shaft is arranged in the first-stage crushing box and is positioned below the first-stage feed port, and the first crushing cutter motor is arranged outside the first-stage crushing box; second grade reducing mechanism includes that second grade smashes case, first crushing roller, second and smashes roller, the rotatory first crushing roller motor of steerable first crushing roller and the rotatory second crushing roller motor of steerable second crushing roller, second grade crushing case top is provided with the second grade feed inlet, and the below is provided with the second grade discharge gate, one-level discharge gate and second grade feed inlet intercommunication, first crushing roller and second crushing roller parallel arrangement are in the second grade crushing incasement body, are located second grade feed inlet below, first crushing roller motor and second crushing roller motor set up outside the second grade crushing case body.
2. The secondary crushing device for the lithium ion battery negative electrode material, according to claim 1, is characterized in that: the one-level reducing mechanism still includes the crushing sword unit of second, the crushing sword unit of second sets up in first crushing sword unit below, the crushing sword unit of second includes the crushing sword of second, and the blade holder is smashed to the second, and the crushing arbor of second and the rotatory second of steerable second crushing arbor smash the sword motor, and the crushing sword of second passes through the crushing blade holder setting of second on the crushing arbor of second, the crushing sword motor of second is connected with the crushing arbor of second, the crushing arbor of second sets up in the crushing case body of one-level, is located the below of first crushing arbor, the crushing sword motor of second sets up outside the crushing case body of one-level.
3. The secondary crushing device for the lithium ion battery negative electrode material, according to claim 2, is characterized in that: 6-20 first crushing sword, the equipartition is on first crushing arbor.
4. The secondary crushing device for the lithium ion battery negative electrode material, according to claim 3, is characterized in that: the number of the second crushing cutters is 5-21, and the second crushing cutters are uniformly distributed on a second crushing cutter shaft.
5. The secondary crushing device for the lithium ion battery negative electrode material, according to claim 4, is characterized in that: the first crushing cutter and the second crushing cutter are arranged in a staggered mode.
6. The secondary crushing device for the lithium ion battery negative electrode material, according to claim 5, is characterized in that: the first crushing knife motor and the second crushing knife motor are arranged on the rack through a first motor base and a second motor base respectively.
7. The secondary crushing device for the lithium ion battery negative electrode material according to any one of claims 1 to 6, characterized in that: the first crushing roller and the second crushing roller rotate in opposite directions.
8. The secondary crushing device for the lithium ion battery negative electrode material, according to claim 7, is characterized in that: the first-stage discharge hole is V-shaped.
9. The secondary crushing device for the lithium ion battery negative electrode material, according to claim 8, is characterized in that: the secondary discharge hole is V-shaped.
10. The secondary crushing device for the lithium ion battery negative electrode material, according to claim 9, is characterized in that: and a material receiving box is arranged below the secondary discharge hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920442306.0U CN209829175U (en) | 2019-04-03 | 2019-04-03 | Secondary crushing device for lithium ion battery cathode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920442306.0U CN209829175U (en) | 2019-04-03 | 2019-04-03 | Secondary crushing device for lithium ion battery cathode material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209829175U true CN209829175U (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920442306.0U Active CN209829175U (en) | 2019-04-03 | 2019-04-03 | Secondary crushing device for lithium ion battery cathode material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209829175U (en) |
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2019
- 2019-04-03 CN CN201920442306.0U patent/CN209829175U/en active Active
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