CN219024184U

CN219024184U - Be applied to automatic feeding equipment that lithium iron phosphate batched and mixed

Info

Publication number: CN219024184U
Application number: CN202223558601.3U
Authority: CN
Inventors: 吴智慧; 赵敏; 韩奋
Original assignee: Inner Mongolia Shengvanadium Technology New Energy Co ltd
Current assignee: Inner Mongolia Shengvanadium Technology New Energy Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-16
Anticipated expiration: 2032-12-30

Abstract

The utility model provides automatic feeding equipment applied to lithium iron phosphate batch mixing, and belongs to the technical field of batch mixing equipment. This be applied to automatic feeding equipment that lithium iron phosphate batched mixes includes shell and stirring subassembly, when carrying out the batched operation of lithium iron phosphate material, can start the second motor earlier, rotate through the rotation drive fan of second motor output, thereby make lithium iron phosphate can be inhaled in the material loading bucket, throw into the device with lithium iron phosphate again, start first motor, drive stirring subassembly through the rotation of first motor output and move, thereby carry out batched stirring to the inside lithium iron phosphate of device etc. material, through the stirring of the different directions of a plurality of stirring rings, can make the material intensive mixing as far as, after guaranteeing the material homogeneity in the batch, optimize the normal processing and the electric property performance of battery end in order to satisfy after granularity and the compaction.

Description

Be applied to automatic feeding equipment that lithium iron phosphate batched and mixed

Technical Field

The utility model relates to the technical field of batch mixing equipment, in particular to automatic feeding equipment applied to lithium iron phosphate batch mixing.

Background

The positive electrode active materials used as the lithium ion battery mainly comprise lithium cobalt oxide (LiCo 02), lithium manganese oxide (LiMn 204), lithium nickel oxide (LiNiO 2), lithium nickel cobalt manganese oxide (LiNiCoMnO 2) and lithium iron phosphate (LiFePO 4), and the lithium ion battery taking the lithium iron phosphate as the positive electrode active material has the most development prospect due to the advantages of rich raw material sources, low price, excellent high-temperature cycle performance, safety performance and the like. From the viewpoint of a large amount of pulping experience and industry communication feedback, the particle size distribution almost determines the processing performance of the lithium iron phosphate material, the key index is D50, the average particle size of lithium cobalt oxide and lithium manganate particles is generally about 10um-20um, and the lithium iron phosphate is generally distributed in 1um-2.5um according to different processes.

At present, the industrialized lithium iron phosphate needs to be subjected to batch mixing, so that the uniformity of materials in batches is guaranteed, the normal processing and the electric performance exertion of a battery end can be met after the granularity and compaction are optimized, but the conventional batch mixing equipment is difficult to directly and conveniently pump the lithium iron phosphate which is a material in a package, so that the lithium iron phosphate production is relatively inconvenient, and in the prior art, most blendors can only stir in the same direction, and the stirring is possibly uneven.

Disclosure of Invention

In order to make up for the defects, the utility model provides automatic feeding equipment applied to lithium iron phosphate batch mixing, which aims to solve the problems that the mixing is insufficient due to uneven stirring during the batch mixing operation and the automatic material drawing is not possible during the batch mixing operation, so that the production is inconvenient.

The utility model is realized in the following way:

be applied to automatic feeding equipment that lithium iron phosphate batched was mixed includes

The side wall of the shell is communicated with a connecting pipe, and the shell is provided with a mounting hole;

the transmission assembly comprises a first helical gear and a second helical gear, and the first helical gear and the second helical gear are meshed with each other;

the stirring assembly comprises a first motor, two first rotating shafts, two second rotating shafts and a stirring ring, and the first motor is arranged on one side of the shell; one end of the first rotating shaft penetrates through the mounting hole and then is connected with an output shaft of the first motor, the other end of the first rotating shaft is fixedly connected with the first helical gear, one end of the other first rotating shaft is rotatably connected with the inner wall of the shell, and the other end of the other first rotating shaft is fixedly connected with the first helical gear; one end of the second rotating shaft is rotationally connected with the inner wall of the shell, the other end of the second rotating shaft is fixedly connected with the second helical gear, and the stirring ring is respectively arranged on the outer wall of the first rotating shaft and the outer wall of the second rotating shaft;

the material pumping assembly is communicated with the top of the shell.

In specific embodiment, take out material subassembly includes storage bucket, fan lid, valve pipe, fan and second motor, valve pipe upper end is linked together with last storage bucket, the lower extreme is linked together with the shell, the upper end of going up the storage bucket is provided with the fan lid, the exhaust hole has been seted up at the top of fan lid, the second motor is fixed the top of fan lid, the output shaft of second motor pass behind the top of fan lid with fan fixed connection, the lateral wall setting of going up the storage bucket is by the material loading pipe.

In a specific embodiment, the upper end of the fan cover is fixedly connected with a fixed shell, and the second motor is fixedly installed in the fixed shell.

In a specific embodiment, the circumferential inner wall of the valve tube is provided with a control valve.

In a specific embodiment, a rotating hole is formed in the circumferential surface of the valve tube, an adjusting shaft is rotatably installed in the rotating hole, and the adjusting shaft is fixedly connected with the side wall of the control valve.

In a specific embodiment, the upper part of the inner side wall of the upper charging basket is fixedly connected with a filter plate.

In a specific embodiment, a protective shell is arranged at one side end of the shell, and the protective shell is sleeved on the outer side of the first motor.

In a specific embodiment, the first axis of rotation and the second axis of rotation are perpendicular to each other.

In a specific embodiment, a limiting hollow ball is arranged at the center of the shell, a plurality of hollow holes are formed in the outer surface of the limiting hollow ball, and the limiting hollow ball is sleeved on the outer sides of the first helical tooth piece and the second helical tooth piece.

The beneficial effects of this application are:

1. when carrying out the batch of lithium iron phosphate and mixing, can be through starting first motor to drive stirring subassembly and rotate, and because stirring subassembly can carry out the simultaneous stirring of a plurality of directions, therefore can make the intensive mixing of material, guarantee the material homogeneity in the batch.

2. When carrying out the mixed stirring of material, can rotate through starting the second motor to drive the fan, and then make the inside air discharge of charging basket, owing to the lateral wall of charging basket has seted up the loading hole, be provided with the material loading pipe in the loading hole, consequently, produce the negative pressure after the inside air of charging basket is discharged, materials such as lithium iron phosphate can go into in the charging basket through the material loading pipe, thereby can be direct convenient take out the material to material lithium iron phosphate in the packing, and then make lithium iron phosphate production more convenient.

3. When carrying out the mixing stirring of material, can be through the rotation of manual control adjustment axle of staff to drive the control valve and rotate, and then make the staff can control the material in the material loading bucket and put in to the device, control put in speed and put in volume.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a first view angle of an automatic feeding device for lithium iron phosphate batch mixing according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a second view angle of an automatic feeding apparatus for lithium iron phosphate batch mixing according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional view of a first view angle of an automatic feeding apparatus for lithium iron phosphate batch mixing according to an embodiment of the present utility model;

fig. 4 is a schematic cross-sectional view of a second view angle of an automatic feeding apparatus for lithium iron phosphate batch mixing according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of an upper barrel according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a structure of a charging basket according to an embodiment of the present utility model;

fig. 7 is a schematic structural view of a second view angle of the upper barrel according to an embodiment of the present utility model.

In the figure: 1. a housing; 2. feeding a charging barrel; 3. an adjustment shaft; 4. a fan cover; 5. a fixed case; 6. an exhaust hole; 7. feeding pipes; 8. a valve tube; 9. a turning hole; 10. a protective shell; 12. a connecting pipe; 14. a first motor; 15. a first rotation shaft; 16. a second rotation shaft; 17. limiting the hollow ball; 18. a stirring ring; 19. a mounting hole; 20. a hollow hole; 21. a first helical tooth; 22. a second helical tooth; 23. a control valve; 24. a filter plate; 25. a fan; 26. and a second motor.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 7, the present utility model provides an automatic feeding apparatus for lithium iron phosphate batch mixing, comprising:

the shell 1, the transmission component, the stirring component and the material pumping component,

the side wall of the shell 1 is communicated with a connecting pipe 12, and the shell 1 is provided with a mounting hole 19;

the transmission assembly comprises a first helical gear piece 21 and a second helical gear piece 22, and the first helical gear piece 21 and the second helical gear piece 22 are meshed with each other;

the stirring assembly comprises a first motor 14, two first rotating shafts 15, two second rotating shafts 16 and a stirring ring 18, and the first motor 14 is arranged on one side of the shell 1; one end of one first rotating shaft 15 penetrates through the mounting hole 19 and then is connected with the output shaft of the first motor 14, the other end of the first rotating shaft is fixedly connected with the first helical gear piece 21, one end of the other first rotating shaft 15 is rotatably connected with the inner wall of the shell 1, and the other end of the other first rotating shaft is fixedly connected with the first helical gear piece 21; one end of the second rotating shaft 16 is rotationally connected with the inner wall of the shell 1, the other end of the second rotating shaft 16 is fixedly connected with the second helical gear piece 22, and the stirring ring 18 is respectively arranged on the outer wall of the first rotating shaft 15 and the outer wall of the second rotating shaft 16;

the material pumping component is communicated with the top of the shell 1.

Specifically, when carrying out lithium iron phosphate and other materials and batching, because the existing batching equipment has stirring dead angles when stirring, after the batching operation is completed, the material blocks which are not stirred possibly exist, so that the materials cannot be completely mixed. When the device is used for batch mixing operation, the first motor 14 can be started firstly, the output shaft of the first motor 14 is fixedly connected with one end of the first rotating shaft 15 (one end of the first rotating shaft 15 penetrates through the mounting hole 19 and is fixedly connected with the output shaft of the first motor 14), the output shaft of the first motor 14 drives the first rotating shaft 15 to rotate, the first helical tooth piece 21 at the other end of the first rotating shaft 15 is meshed with the second helical tooth piece 22 at one end of the second rotating shaft 16, and then the second rotating shaft 16 is driven to rotate, and simultaneously, the other group of first rotating shafts 15 and the second rotating shaft 16 are correspondingly driven to rotate, so that a plurality of stirring rings 18 on the two first rotating shafts 15 and the two second rotating shafts 16 synchronously rotate and stir, dead angles are avoided, and materials in the shell 1 are fully mixed and stirred as much as possible.

Further, the stirring ring 18 may be provided as a plurality of stirring shafts, which may be adjusted according to the specific use, and the stirring shaft of the stirring ring 18 near the middle is slightly shorter than the stirring shaft of the outer stirring ring 18.

Referring to fig. 1 to 7, in the embodiment of the present utility model, the material pumping assembly includes a feeding barrel 2, a fan cover 4, a valve tube 8, a fan 25 and a second motor 26, wherein the upper end of the valve tube 8 is communicated with the feeding barrel 2, the lower end is communicated with the housing 1, the upper end of the feeding barrel 2 is provided with the fan cover 4, the top of the fan cover 4 is provided with an exhaust hole 6, the second motor 26 is fixed on the top of the fan cover 4, an output shaft of the second motor 26 passes through the top of the fan cover 4 and is fixedly connected with the fan 25, a side wall of the feeding barrel 2 is provided with the feeding tube 7, and when the material pumping operation is performed, the fan 25 can be driven to rotate by the second motor 26, so that air in the feeding barrel 2 is discharged, a vacuum state is formed, and at this time, the material can be sucked into the feeding barrel 2 to achieve the purpose, and when the material is mixed in batches, the material can be controlled to fall into the housing 1 by controlling the opening and closing of the valve tube 8.

Referring to fig. 1 to 3, in the embodiment of the present utility model, a protection shell 10 is disposed at one side end of a housing 1, and the protection shell 10 is sleeved on the outer side of a first motor 14, so as to play a role in dust protection, and increase the service life of the first motor 14.

Further, the protection shell 10 is fixedly connected to one side end of the housing 1, and the first motor 14 is fixedly connected to one side inner wall of the protection shell 10, so that the first motor 14 is more stable during working through the fixation of the protection shell 10.

Further, the first motor 14 is of the prior art, and will not be described in detail in this embodiment.

Referring to fig. 2 and 4, in the embodiment of the present utility model, after the batch mixing operation is completed, the materials inside the housing 1 may be guided out through the connection pipe 12.

Referring to fig. 5 to 7, further, the lower end of the upper charging basket 2 is fixedly connected with a valve tube 8, a rotation hole 9 is provided on the circumferential surface of the valve tube 8, an adjusting shaft 3 is rotatably connected in the rotation hole 9, one end of the adjusting shaft 3 is fixedly connected with a control valve 23, and the control valve 23 is disposed in the valve tube 8, so that when the material is fed into the device, the operator can rotate the adjusting shaft 3 to control the feeding of the material, and after the batch mixing is completed, the material can be led out through a connecting pipe 12.

Referring to fig. 5 to 7, in the embodiment of the present utility model, the filter plate 24 is fixedly connected to the upper portion of the inner side wall of the upper charging basket 2, when the batch mixing of the materials is performed, a hose is connected to one end of the upper charging basket 7, the hose is placed in the package filled with lithium iron phosphate, and then the second motor 26 is started, because the output end of the second motor 26 is fixedly connected with the fan 25, the second motor 26 is fixedly connected to the upper inner wall of the fixed shell 5, the fixed shell 5 is fixedly connected to the upper end of the fan cover 4, the upper end of the fan cover 4 is provided with a plurality of exhaust holes 6, the lower end of the fan cover 4 is fixedly connected with the upper charging basket 2, the filter plate 24 is fixedly connected to the upper portion of the inner side wall of the upper charging basket 2, a charging hole is provided in the side wall of the upper charging basket 2, the upper charging basket 7 is fixedly connected to the charging hole, and therefore, after the second motor 26 is started, the fan 25 can be driven to rotate, air inside the upper charging basket 2 can be discharged through the fan 25, and the air inside the upper charging basket 2 can be prevented from being sucked into the inner side of the lithium iron phosphate hose through the inner side of the fixed filter plate, and the upper charging basket 2 is prevented from being sucked into the inner side of the lithium iron phosphate hose through the upper charging basket 2.

Referring to fig. 3 to 4, in the embodiment of the present utility model, the first rotation shaft 15 and the second rotation shaft 16 are perpendicular to each other, the first helical gear 21 and the second helical gear 22 are perpendicular to each other, the first rotation shaft 15 is provided with two opposite sides, the second rotation shaft 16 is provided with two opposite sides, and all the power for transmission is provided by the first motor 14.

Further, through the perpendicular arrangement of the first helical gear 21 and the second helical gear 22, the connection of the first helical gear 21 and the second helical gear 22 can be more stable, and due to the perpendicular arrangement of the first rotating shaft 15 and the second rotating shaft 16, the plurality of stirring rings 18 can be prevented from being contacted with each other during batch mixing operation, and further stirring is more uniform.

Referring to fig. 3 to 4, in the embodiment of the present utility model, a limiting hollow ball 17 is disposed at a central position of the housing 1, a plurality of hollow holes 20 are formed on an outer surface of the limiting hollow ball 17, the limiting hollow ball 17 is sleeved on outer sides of the first helical gear 21 and the second helical gear 22, and the limiting hollow ball 17 is used for limiting the first helical gear 21 and the second helical gear 22 to avoid the offset.

Further, when the batch mixing operation is performed, the limiting hollow balls 17 arranged on the first rotating shaft 15, the second rotating shaft 16 and the outer surface can enable the rotation of the first rotating shaft 15 and the second rotating shaft 16 not to interfere with each other and be more stable, and when the batch mixing operation is performed, materials can be prevented from entering the gap between the first helical tooth piece 21 and the second helical tooth piece 22.

Specifically, the working principle of the automatic feeding equipment applied to lithium iron phosphate batch mixing is as follows: when carrying out the batch mixing operation of lithium iron phosphate material, can start the second motor 26 earlier, rotate through the rotation of second motor 26 output and drive fan 25 and rotate, thereby make lithium iron phosphate can be inhaled in the material loading bucket 2, throw into the device with lithium iron phosphate again, start first motor 14, drive stirring subassembly through the rotation of first motor 14 output and move, thereby carry out batch mixing stirring to the inside lithium iron phosphate material of device, through the stirring of a plurality of stirring rings 18 in different directions, can make material intensive mixing as far as, after guaranteeing the material homogeneity in the batch, optimize the granularity and compact in order to satisfy the normal processing and the electric performance of battery end.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An automatic feeding device applied to lithium iron phosphate batch mixing comprises a shell (1), a transmission component, a stirring component and a pumping component, and is characterized in that,

the side wall of the shell (1) is communicated with a connecting pipe (12), and the shell (1) is provided with a mounting hole (19);

the transmission assembly comprises a first helical gear (21) and a second helical gear (22), wherein the first helical gear (21) and the second helical gear (22) are meshed with each other;

the stirring assembly comprises a first motor (14), two first rotating shafts (15), two second rotating shafts (16) and a stirring ring (18), wherein the first motor (14) is arranged on one side of the shell (1); one end of one first rotating shaft (15) penetrates through the mounting hole (19) and then is connected with an output shaft of the first motor (14), the other end of the first rotating shaft is fixedly connected with the first helical gear (21), one end of the other first rotating shaft (15) is rotatably connected with the inner wall of the shell (1), and the other end of the other first rotating shaft is fixedly connected with the first helical gear (21); one end of the second rotating shaft (16) is rotationally connected with the inner wall of the shell (1), the other end of the second rotating shaft (16) is fixedly connected with the second helical tooth part (22), and the stirring ring (18) is respectively arranged on the outer wall of the first rotating shaft (15) and the outer wall of the second rotating shaft (16);

the material pumping assembly is communicated with the top of the shell (1).

2. The automatic feeding equipment for lithium iron phosphate batch mixing according to claim 1, wherein the material pumping assembly comprises a feeding barrel (2), a fan cover (4), a valve pipe (8), a fan (25) and a second motor (26), the upper end of the valve pipe (8) is communicated with the feeding barrel (2), the lower end of the valve pipe is communicated with the shell (1), the upper end of the feeding barrel (2) is provided with the fan cover (4), the top of the fan cover (4) is provided with an exhaust hole (6), the second motor (26) is fixed at the top of the fan cover (4), an output shaft of the second motor (26) penetrates through the top of the fan cover (4) and is fixedly connected with the fan (25), and the side wall of the feeding barrel (2) is provided with a feeding pipe (7).

3. The automatic feeding equipment for lithium iron phosphate batch mixing according to claim 2, wherein the upper end of the fan cover (4) is fixedly connected with a fixed shell (5), and the second motor (26) is fixedly arranged in the fixed shell (5).

4. An automatic feeding device for lithium iron phosphate batch mixing according to claim 2, characterized in that the circumferential inner wall of the valve tube (8) is provided with a control valve (23).

5. The automatic feeding equipment for lithium iron phosphate batch mixing according to claim 4, wherein a rotating hole (9) is formed in the circumferential surface of the valve tube (8), an adjusting shaft (3) is rotatably installed in the rotating hole (9), and the adjusting shaft (3) is fixedly connected with the side wall of the control valve (23).

6. The automatic feeding equipment for lithium iron phosphate batch mixing according to claim 2, wherein a filter plate (24) is fixedly connected to the upper part of the inner side wall of the feeding barrel (2).

7. The automatic feeding equipment applied to lithium iron phosphate batch mixing according to claim 1, wherein a protective shell (10) is arranged at one side end of the shell (1), and the protective shell (10) is sleeved on the outer side of the first motor (14).

8. An automatic feeding device for lithium iron phosphate batch mixing according to claim 1, characterized in that the first rotation axis (15) and the second rotation axis (16) are perpendicular to each other.

9. The automatic feeding equipment for lithium iron phosphate batch mixing according to claim 8, wherein a limiting hollow ball (17) is arranged at the central position of the shell (1), a plurality of hollow holes (20) are formed in the outer surface of the limiting hollow ball (17), and the limiting hollow ball (17) is sleeved on the outer sides of the first helical tooth piece (21) and the second helical tooth piece (22).