CN220759437U

CN220759437U - Ball milling lapping machine device for crushing lithium battery powder

Info

Publication number: CN220759437U
Application number: CN202322394817.9U
Authority: CN
Inventors: 邹志国; 李大鹏; 史英彬; 赵建国; 马志国; 孟令俭; 王宁波; 刘书闻
Original assignee: Qinhuangdao Manguo Equipment Technology Co ltd
Current assignee: Qinhuangdao Manguo Equipment Technology Co ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-04-12
Anticipated expiration: 2033-09-05

Abstract

A ball mill lapping machine device for lithium battery powder crushing, comprising: the device comprises a cylinder body, a rotating shaft and a driving device; a discharging mechanism is fixedly arranged above the cylinder body and is provided with a discharging hole; the rotary shaft is rotationally connected with the cylinder body, and is fixedly arranged on the rotary shaft and is vertically provided with at least two groups of impact stirring pieces; the barrel is internally provided with spherical crushing medium, and the static stacking height of the spherical crushing medium at least submerges the lowest impact stirring piece; the driving device is used for driving the rotating shaft to rotate; the inside of the cylinder body is fixedly provided with an air blowing plate, and a closed cavity is formed between the air blowing plate and the cylinder body; the air blowing plate is provided with a plurality of air holes communicated with the inside of the cylinder body and the closed cavity; at least one air inlet pipe communicated with the inside of the closed cavity is fixedly arranged at the bottom of the cylinder; the utility model can crush the material directly without adding water into the material before crushing and crushing the crushed agglomerated material again, and achieves the effects of continuous feeding and continuous discharging.

Description

Ball milling lapping machine device for crushing lithium battery powder

Technical Field

The utility model relates to the technical field of lithium battery powder crushing, in particular to a ball milling and lapping machine device for crushing lithium battery powder.

Background

The lithium ion battery has become the most promising and potential green environmental protection energy source in the 21 st century due to the characteristics of long service life, small volume, light weight, excellent electrochemical performance and the like. Lithium ion battery manufacturing requires lithium battery materials, and the lithium battery materials need to be crushed before manufacturing; the crushing process of the conventional lithium battery materials is roughly divided into: adding water into the materials before grinding, grinding the materials through a sand mill (the sand mill can only adopt wet grinding), drying the ground materials in the later period (agglomeration phenomenon can occur after drying, the materials agglomerate after drying), and crushing the agglomerated materials; the existing crushing process is longer, the occupied area of the production line is larger, and the production cost is higher;

therefore, the utility model provides a ball milling and lapping machine device for crushing lithium battery powder, which does not need to carry out water adding treatment (so as not to generate agglomeration phenomenon) before crushing materials, directly crushes the materials, directly discharges the crushed materials, simplifies the production flow without reducing the crushing effect, and has smaller occupied area compared with the existing crushing production line.

Disclosure of Invention

The technical scheme adopted by the utility model is as follows: a ball mill lapping machine device for lithium battery powder crushing, comprising: the device comprises a driving device, a cylinder body and a rotating shaft; the barrel top fixed mounting has discharge mechanism, discharge mechanism is equipped with a discharge gate, discharge mechanism includes: a classifying wheel driving motor; the classifying wheel driving motor is at least provided with one and is fixedly connected with the cylinder; the output end of each classifying wheel driving motor is fixedly provided with a classifying wheel, the classifying wheel is positioned in the cylinder body, and the outlet is communicated with the discharge hole;

the rotary shaft is rotationally connected with the cylinder body, and at least two groups of impact stirring pieces are fixedly arranged on the rotary shaft and vertically arranged; the barrel is internally provided with spherical crushing media, and the static stacking height of the spherical crushing media at least submerges the lowest impact stirring piece; the driving device is used for driving the rotating shaft to rotate;

an air blowing plate is fixedly arranged in the cylinder body, and a closed cavity is formed between the air blowing plate and the cylinder body; the air blowing plate is provided with a plurality of air holes communicated with the inside of the cylinder body and the closed cavity; at least one air inlet pipe communicated with the inside of the closed cavity is fixedly arranged at the bottom of the cylinder; the diameter of the spherical crushing medium is larger than that of the air holes.

Further, the impact stirring member includes: a fixed cylinder; the fixed cylinder is fixedly connected with the rotating shaft, and at least one stirring rod is fixedly installed.

Further, the stirring rod is flat, and an included angle between the stirring rod and the bottom surface of the cylinder body is larger than 0 degrees and smaller than 90 degrees.

Further, the discharging mechanism further comprises: a discharging cylinder; each classifying wheel driving motor is fixedly arranged on the discharging cylinder; the discharging hole is formed in the discharging barrel, and the discharging barrel is fixedly connected with the barrel; the grading wheel is positioned inside the discharging cylinder.

Further, a conical barrel is arranged on the barrel body; the diameter of the upper end of the conical barrel is smaller than that of the lower end of the conical barrel; the lower end of the conical barrel is fixedly connected with the upper end of the barrel body, a straight barrel is fixedly arranged at the upper end of the conical barrel, and the diameter of the straight barrel is equal to that of the upper end of the conical barrel; the discharging cylinder is fixedly arranged on the straight cylinder, and the diameter of the discharging cylinder is larger than that of the straight cylinder.

Further, a cooling cylinder is fixedly arranged on the outer side of the cylinder body; a closed second cavity is formed between the cooling cylinder and the outer side of the cylinder body; two cooling pipes are fixedly arranged on the cooling cylinder, one end of each cooling pipe is communicated with the inside of the second cavity, and a valve is fixedly arranged at the other end of each cooling pipe.

Further, a medium discharge port is arranged at the bottom end of the cylinder; the cylinder body is detachably and fixedly provided with a plugging piece; the blocking piece is used for blocking a medium discharge port at the bottom end of the cylinder.

Further, an air inlet plate is fixedly arranged at the lower end of the cylinder; an air inlet groove is formed in the air inlet plate, and an air inlet bin is formed between the air inlet plate and the bottom end of the cylinder body through the air inlet groove; the bottom end of the cylinder body is provided with at least one through hole for communicating the closed cavity with the air inlet bin; the air inlet pipe is fixedly arranged on the air inlet plate, and the inside of the air inlet pipe is communicated with the air inlet bin.

Further, the air blowing plate is circular, an annular groove is formed in the air blowing plate, and a closed cavity is formed between the annular groove and the cylinder; and air holes communicated with the inside of the cylinder body and the airtight cavity are formed in the upper end and the side surface of the air blowing plate.

Further, the air holes on the side surface of the air blowing plate are uniformly distributed on the side surface of the air blowing plate in an array shape by taking one point on the axis of the air blowing plate as the center; the axis of the air blowing plate is never intersected with the axis of the air hole on the side surface of the air blowing plate.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects: compared with the traditional horizontal structure crushing device, the technical scheme provided by the utility model has smaller occupied area; in addition, compared with the existing crushing device, the utility model does not need to add water into the materials before crushing and crush the crushed agglomerated materials again, can directly crush the materials, and achieves the effects of continuous feeding and continuous discharging; the utility model can adjust the crushing grain size of the materials by adjusting the rotating speed of the classifying wheel through the arrangement of the classifying wheel.

Drawings

Fig. 1-2 are schematic views of the overall structure of the present utility model.

FIG. 3 is a schematic cross-sectional view of the whole structure of the present utility model.

FIG. 4 is a schematic cross-sectional view of the connection between the cylinder and the rotating shaft according to the present utility model.

Fig. 5 is an enlarged schematic view of the structure a in fig. 4 according to the present utility model.

FIG. 6 is a schematic cross-sectional view of the connection between the plugging member and the cylinder body according to the present utility model.

FIG. 7 is a schematic view of the overall mechanism of the impact stirring member of the present utility model.

FIG. 8 is a schematic diagram showing the connection between the driving device and the mounting frame.

FIG. 9 is a schematic cross-sectional view showing the connection between the driving device and the rotating shaft.

Fig. 10 to 11 are schematic views of the overall structure of the blow plate according to the present utility model.

Reference numerals: a mounting rack-1; a driving device-2; a cylinder body-3; a rotating shaft-4; impact stirring piece-5; an intake plate-6; a grading wheel driving motor-8; a classification wheel-9; a cone-shaped barrel-10; straight cylinder-11; a cooling drum-12; a closure member-13; a blow plate-14; a grinding drive motor-21; a motor mounting plate-22; a fixed cylinder-51; stirring rod-52; and an air inlet pipe-61.

Detailed Description

1-9, a ball mill lapping machine device for crushing lithium battery powder comprises: a driving device 2, a cylinder 3 and a rotating shaft 4; the discharge mechanism is fixedly arranged above the cylinder body 3, and is provided with a discharge hole, and the discharge mechanism comprises: a classifying wheel driving motor 8; the three classifying wheel driving motors 8 are fixedly connected with the cylinder 3; the output end of each classifying wheel driving motor 8 is fixedly provided with a classifying wheel 9, the classifying wheel 9 is positioned in the cylinder 3, and the outlet is communicated with the discharge hole; the grading wheel driving motor 8 is electrically connected with the factory internal control device;

the rotating shaft 4 is rotatably connected with the cylinder 3, at least two groups of impact stirring pieces 5 are fixedly arranged on the rotating shaft 4 and vertically arranged, and in order to clearly illustrate the technical scheme, three groups of impact stirring pieces 5 are arranged in the embodiment; the barrel 3 is internally provided with spherical crushing media, and all impact stirring pieces 5 are submerged by static accumulation height of the spherical crushing media; the driving device 2 is used for driving the rotating shaft 4 to rotate and is electrically connected with the factory internal control device; zirconia beads are adopted as spherical crushing medium;

the blowing plate 14 is fixedly arranged in the cylinder body 3, and a closed cavity is formed between the blowing plate 14 and the cylinder body; the blowing plate 14 is provided with a plurality of air holes communicated with the inside of the cylinder 3 and the closed cavity; two air inlet pipes 61 communicated with the inside of the closed cavity are fixedly arranged at the bottom of the cylinder body 3; the diameter of the spherical crushing medium is larger than that of the air hole; a feeding pipe is fixedly arranged on the cylinder body 3; when the material is crushed, the driving device 2 is started, the driving device 2 drives the rotating shaft 4 to rotate, so that the three groups of impact stirring pieces 5 are driven to rotate, zirconium oxide beads in the cylinder 3 are stirred, and the zirconium oxide beads in the cylinder 3 are impacted continuously; each air inlet pipe 61 is connected with an air source device in a factory; then starting an air source device in the factory, blowing air into the closed cavity, and blowing the air in the closed cavity out through air holes on the air blowing plate 14; then, each classifying wheel driving motor 8 is started to drive the classifying wheel 9 to rotate;

after the driving device 2, the air source device in the factory and the classifying wheel driving motor 8 are started, the material conveying device in the factory continuously conveys materials to the interior of the cylinder 3 through the feeding pipe on the cylinder 3, and the material conveying device is a conventional application device in the prior art, so that the description of the embodiment is omitted; after the materials are conveyed into the cylinder 3, the zirconia beads crush, grind and impact the piled materials along with the rotation of the rotating shaft 4, so that the materials are crushed and ground; the materials are driven by the air flow blown out by the air holes on the air blowing plate 14 to move upwards, the crushed and ground materials can enter the classification wheel 9, enter the inside of the classification wheel 9, and the rest materials fall back into zirconia beads under the action of gravity to continue crushing and grinding; under the action of centrifugal force, the material which does not meet the requirements is thrown out of the classifying wheel 9 under the high-speed rotation of the classifying wheel 9, returns to the zirconia beads, and is discharged from a discharge hole under the action of air flow; the rotating speed of the classifying wheel 9 can be adjusted according to different requirements of materials, so that the centrifugal force is changed, and the particle size of qualified materials is changed; qualified materials are screened out through the classifying wheel 9, unqualified materials return to the inside of the cylinder body 3, and are crushed and ground continuously by zirconia beads until the materials are crushed into qualified particle sizes, and flow out of the classifying wheel 9, so that the effects of continuous feeding and continuous discharging are realized.

Specifically, the impact stirring member 5 includes: a fixed cylinder 51; the fixed cylinder 51 is fixedly connected with the rotary shaft 4 and is fixedly provided with four stirring rods 52; the stirring rod 52 is flat, and an included angle between the stirring rod and the bottom surface of the cylinder 3 is larger than 0 degrees and smaller than 90 degrees; in this embodiment, the included angle between the stirring rod 52 and the bottom surface of the cylinder 3 is 30 °; according to the technical scheme, the stirring rod 52 is provided with a flat shape, and an included angle between the stirring rod and the bottom surface of the cylinder body 3 is 30 degrees, so that the stirring piece 5 plays a role of pressing down zirconia beads in the rotating process, the zirconia beads are prevented from splashing upwards due to high-speed collision, the zirconia beads are dispersed, and the crushing and grinding effects are reduced.

Specifically, discharge mechanism still includes: a discharging cylinder; each classifying wheel driving motor 8 is fixedly arranged on the discharging cylinder; the discharge hole is formed in the discharge cylinder, and the discharge cylinder is fixedly connected with the cylinder body 3; the classification wheel 9 is positioned in the discharging cylinder; the other connection modes among the discharging barrel, the classifying wheel driving motor and the classifying wheel are conventional application means in the prior art, so that the description is omitted in the embodiment; the cylinder body 3 is provided with a conical barrel 10; the diameter of the upper end of the conical barrel 10 is smaller than that of the lower end; the lower end of the conical barrel 10 is fixedly connected with the upper end of the barrel 3, a straight barrel 11 is fixedly arranged at the upper end of the conical barrel 10, and the diameter of the straight barrel 11 is equal to that of the upper end of the conical barrel 10; the discharging cylinder is fixedly arranged on the straight cylinder 11, and the diameter of the discharging cylinder is larger than that of the straight cylinder 11; in the process of upward movement of the air flow, the diameter of the straight cylinder 11 is smaller than that of the cylinder body 3 and the discharging cylinder, so that the air flow is increased in flow speed and reduced in pressure when passing through the straight cylinder 11, and crushed and ground materials can be moved upward more easily.

Since a large amount of heat is generated in the process of crushing and grinding materials, a cooling cylinder 12 is fixedly arranged on the outer side of the cylinder body 3; a closed second cavity is formed between the cooling cylinder 12 and the outer side of the cylinder body 3; two cooling pipes are fixedly arranged on the cooling cylinder 12, one end of each cooling pipe is communicated with the inside of the second cavity, and the other end of each cooling pipe is fixedly provided with a valve respectively; the two cooling pipes are connected with the water source supply device, one of the two cooling pipes is a water inlet pipe, the other cooling pipe is a water outlet pipe, and heat generated when materials are crushed and ground is taken away through water circulation.

Specifically, the bottom end of the cylinder body 3 is provided with a medium discharge port; a plugging piece 13 is detachably and fixedly arranged on the cylinder body 3; the blocking piece 13 is used for blocking a medium discharge port at the bottom end of the cylinder body 3; the plugging piece 13 is fixedly connected with the cylinder body 3 through a bolt, and when the spherical crushing medium needs to be replaced, the plugging piece 13 is detached, so that the spherical crushing medium can flow out through the medium discharge port; when the spherical grinding media are refilled, the spherical grinding media are filled into the cylinder 3 through the feed pipe.

Specifically, an air inlet plate 6 is fixedly arranged at the lower end of the cylinder body 3; the air inlet plate 6 is provided with an air inlet groove, and the air inlet plate 6 and the bottom end of the cylinder 3 form an air inlet bin through the air inlet groove on the air inlet plate; at least one through hole for communicating the closed cavity with the air inlet bin is formed in the bottom end of the cylinder body 3; the intake pipe 61 is fixedly installed on the intake plate 6, and the inside communicates with the intake chamber.

In order to achieve a better effect, the air blowing plate 14 is round, an annular groove is formed in the air blowing plate 14, and a closed cavity is formed between the annular groove and the cylinder 3; the upper end and the side surface of the blowing plate 14 are provided with air holes communicated with the inside of the cylinder 3 and the airtight cavity; the air holes on the side surface of the air blowing plate 14 are uniformly distributed on the side surface of the air blowing plate 14 in an array manner by taking one point on the axis of the air blowing plate 14 as the center; the axis of the air blowing plate 14 is never intersected with the axis of the air hole on the side surface of the air blowing plate 14; after the air is blown out from the air holes on the side surface of the air blowing plate 14, the air flow rises in a spiral shape, so that the materials can rise more smoothly after being crushed and ground.

The technical scheme also comprises the following steps: a mounting frame 1; the driving device 2 includes a grinding driving motor 21 and a motor mounting plate 22; the grinding drive motor 21 is fixedly arranged on a motor mounting plate 22, and the motor mounting plate 22 is slidably arranged on the mounting frame 1 and is fixed with the mounting frame 1 through bolts; the output shaft of the grinding driving motor 21 and the rotating shaft 4 are fixedly provided with a belt wheel, and the two belt wheels are in transmission connection through a synchronous belt;

the air inlet plate 6 is fixedly arranged on the mounting frame 1, and the bin body 3 is fixedly arranged on the air inlet plate 6; the rotating shaft 4 is rotatably arranged on the mounting frame 1 through a bearing;

when the materials are required to be crushed and ground, the grinding driving motor 21 is started, and the rotating shaft 4 is driven to rotate through the synchronous belt, so that the materials are crushed and ground; because after long-time use, the hold-in range can take place to loosen, consequently adopts the bolt to fix between motor mounting panel 22 and the mounting bracket 1, after the hold-in range takes place to loosen, unscrew the bolt between motor mounting panel 22 and the mounting bracket 1, then slide motor mounting panel 22, until the hold-in range is strained again, then screw up the bolt between motor mounting panel 22 and the mounting bracket 1 can.

In order to increase the wear resistance of the equipment, the inner wall of the bin body 3 and the blowing plate 14 are fixedly provided with matched ceramic bushings;

the foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A ball-milling lapping machine device for broken lithium electricity powder, characterized by comprising: a driving device (2), a cylinder (3) and a rotating shaft (4); the utility model discloses a barrel, barrel (3) top fixed mounting has discharge mechanism, discharge mechanism is equipped with a discharge gate, discharge mechanism includes: a classifying wheel driving motor (8); the classifying wheel driving motor (8) is at least provided with one and is fixedly connected with the cylinder body (3); the output end of each classifying wheel driving motor (8) is fixedly provided with a classifying wheel (9), the classifying wheel (9) is positioned in the cylinder body (3), and the outlet is communicated with the discharge hole;

the rotary shaft (4) is rotationally connected with the cylinder body (3), and at least two groups of impact stirring pieces (5) are fixedly arranged on the rotary shaft (4) and vertically arranged; the barrel (3) is internally provided with spherical crushing media, and the static stacking height of the spherical crushing media at least submerges the lowest impact stirring piece (5); the driving device (2) is used for driving the rotating shaft (4) to rotate;

an air blowing plate (14) is fixedly arranged in the cylinder (3), and a closed cavity is formed between the air blowing plate and the air blowing plate (14); a plurality of air holes which are communicated with the inside of the cylinder body (3) and the closed cavity are formed in the air blowing plate (14); at least one air inlet pipe (61) communicated with the inside of the closed cavity is fixedly arranged at the bottom of the cylinder body (3); the diameter of the spherical crushing medium is larger than that of the air holes.

2. A ball mill lapping machine apparatus for lithium battery powder crushing according to claim 1, characterized in that the impact stirring member (5) comprises: a fixed cylinder (51); the fixed cylinder (51) is fixedly connected with the rotating shaft (4), and is fixedly provided with at least one stirring rod (52).

3. The ball milling and lapping machine device for crushing lithium battery powder according to claim 2, wherein the stirring rod (52) is flat and has an included angle of more than 0 DEG and less than 90 DEG with the bottom surface of the cylinder (3).

4. The ball mill lapping machine device for lithium battery powder crushing according to claim 1, wherein the discharging mechanism further comprises: a discharging cylinder; each classifying wheel driving motor (8) is fixedly arranged on the discharging cylinder; the discharging hole is formed in the discharging barrel, and the discharging barrel is fixedly connected with the barrel body (3); the classifying wheel (9) is positioned in the discharging cylinder.

5. The ball milling and lapping machine device for crushing lithium battery powder according to claim 4, wherein a conical barrel (10) is arranged on the barrel (3); the diameter of the upper end of the conical barrel (10) is smaller than that of the lower end; the lower end of the conical barrel (10) is fixedly connected with the upper end of the barrel body (3), a straight barrel (11) is fixedly arranged at the upper end of the conical barrel (10), and the diameter of the straight barrel (11) is equal to that of the upper end of the conical barrel (10); the discharging cylinder is fixedly arranged on the straight cylinder (11), and the diameter of the discharging cylinder is larger than that of the straight cylinder (11).

6. The ball milling and lapping machine device for crushing lithium battery powder according to claim 1, wherein a cooling cylinder (12) is fixedly arranged outside the cylinder body (3); a closed second cavity is formed between the cooling cylinder (12) and the outer side of the cylinder body (3); two cooling pipes are fixedly arranged on the cooling cylinder (12), one end of each cooling pipe is communicated with the inside of the second cavity, and the other end of each cooling pipe is fixedly provided with a valve.

7. The ball milling and lapping machine device for crushing lithium battery powder according to claim 1, wherein a medium discharge port is arranged at the bottom end of the cylinder (3); a plugging piece (13) is detachably and fixedly arranged on the cylinder body (3); the blocking piece (13) is used for blocking a medium discharge port at the bottom end of the cylinder body (3).

8. The ball milling and lapping machine device for crushing lithium battery powder according to claim 1, wherein an air inlet plate (6) is fixedly arranged at the lower end of the cylinder (3); an air inlet groove is formed in the air inlet plate (6), and an air inlet bin is formed between the air inlet plate (6) and the bottom end of the cylinder body (3) through the air inlet groove; at least one through hole for communicating the closed cavity with the air inlet bin is formed in the bottom end of the cylinder body (3); the air inlet pipe (61) is fixedly arranged on the air inlet plate (6), and the inside of the air inlet pipe is communicated with the air inlet bin.

9. The ball milling and lapping machine device for crushing lithium battery powder according to claim 1, wherein the air blowing plate (14) is circular, an annular groove is formed in the air blowing plate (14), and a closed cavity is formed between the annular groove and the cylinder (3); air holes which are communicated with the inside of the cylinder body (3) and the airtight cavity are formed in the upper end and the side face of the air blowing plate (14).

10. The ball milling and lapping machine device for crushing lithium battery powder according to claim 9, wherein the air holes on the side surface of the air blowing plate (14) are uniformly distributed on the side surface of the air blowing plate (14) in an array shape with a point on the axis of the air blowing plate (14) as the center; the axis of the blowing plate (14) is never intersected with the axis of the air hole on the side surface of the blowing plate (14).