CN210474209U

CN210474209U - Mixed feeding system of lithium battery anode material

Info

Publication number: CN210474209U
Application number: CN201921180247.0U
Authority: CN
Inventors: 刘华超
Original assignee: Hunan Shanshan New Energy Co ltd
Current assignee: BASF Shanshan Battery Materials Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-05-08
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a lithium cell cathode material's mixed feeding system, including mixing the machine, still include screw conveyer and the depiler that is used for crushing material, screw conveyer's both ends communicate with the discharge gate that mixes the machine and the feed inlet of depiler respectively for carry the material to the depiler from mixing the machine, the discharge gate of depiler is equipped with the loader that is used for feeding to the burning bowl. The utility model discloses a lithium cell cathode material's mixed feeding system has simple and practical, mixes effectual, the granule is even and transportation process advantage such as with external contact.

Description

Mixed feeding system of lithium battery anode material

Technical Field

The utility model relates to a material mixing field especially relates to a lithium cell cathode material's mixed feeding system.

Background

Before processing and preparing the lithium battery anode material, a main material and an auxiliary material are mixed for material preparation. In the prior art, after the materials are mixed in a mixer, the materials need to be conveyed to a bowl filling machine for filling a bowl, and then the materials are conveyed to a roller kiln or a reaction furnace for heat treatment.

In the process, the materials are inevitably contacted with the external environment during mixing, conveying and bowl loading, and the conveying process is carried out by manpower or a conveying belt, so that the manpower is wasted, more resources are occupied, the quality, the purity and the like of the mixed materials are easily influenced due to the contact with the external environment during conveying, and the subsequent electrical property of the materials is reduced; in addition, the existing bowl filling process is carried out by adopting a bowl filling machine, the operation is complex, certain time is delayed, and the materials cannot be subjected to heat treatment in time.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art not enough, provide a simple and practical, mix effectual, granule even and the transportation process not with the lithium battery anode material's of external contact mixed feeding system.

In order to solve the technical problem, the utility model provides a technical scheme does:

the utility model provides a lithium cell cathode material's mixed feeding system, includes mixes the machine, still includes screw conveyer and the depiler that is used for crushing material, screw conveyer's both ends communicate with the discharge gate that mixes the machine and the feed inlet of depiler respectively for carry the material to the depiler from mixing the machine, the discharge gate of depiler is equipped with the loader that is used for to the interior material loading of burning bowl.

As a further improvement of the above technical solution:

the depiler includes the casing, the top of casing is equipped with the feed inlet, and the bottom is equipped with the discharge gate, and inside is from last to being equipped with a plurality of screens down.

The screen comprises a plurality of inclined screens, wherein one side of each inclined screen is higher than the opposite side, the other two sides of each inclined screen are equal in height, the inclination directions of the two adjacent inclined screens are opposite, and the bottom side of the upper inclined screen is arranged above the screen surface of the lower inclined screen with a gap.

Among the both sides of putting the screen cloth to one side that varies height, one side is connected with the inner wall of casing is articulated, and another side passes through elastic component elastic connection with the casing, elastic connection's side can rotate around the side of articulated connection and make the screen cloth bullet of putting to one side.

The screen cloth still includes the screen cloth of putting horizontally that is on a parallel with the horizontal plane, the screen cloth of putting horizontally is located all below putting the screen cloth to one side, and its side is connected with the casing through elastic component.

The shell is provided with a funnel-shaped material receiving step above the net surface of the horizontally arranged screen.

And a vibrator is arranged outside the material separating machine.

The feeder is provided with an outlet matched with the burning bowl and an inlet connected with the discharge port of the material distributing machine through a control valve, and a plurality of uniformly distributed discharge holes are communicated between the inlet and the outlet of the feeder.

The feeding port of the material separating machine is provided with a feeding funnel, a plurality of rollers arranged in the horizontal direction are arranged in the feeding funnel, and stirring blades and impact blocks are arranged on the rollers in the axial direction.

The plurality of rollers are arranged in an upper row and a lower row, and each roller in the lower row is positioned below the gap between two adjacent rollers in the upper row.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a lithium cell cathode material's mixed feeding system, wherein screw conveyer's both ends communicate with the discharge gate that mixes the machine and the feed inlet of depiler respectively for carry the material to the depiler from mixing the machine, the discharge gate of depiler is equipped with the loader that is used for feeding to the burning bowl. The system of the utility model adopts the screw conveyer to convey, the conveying process is simple and the environment is closed; directly adorn the alms bowl through dress alms bowl ware after arriving the depiler and smashing, make the material all be in the inner space at the in-process of mixing, carrying and dress alms bowl, can effectively guarantee that the material does not contact with the external environment in transportation process, avoid the material to react in advance or mix impurity to influence its quality and purity etc. can effectively improve the performance of follow-up product.

Screw conveyer can produce certain extrusion force to the material when the pay-off, can lead to the material slightly to agglomerate, the utility model discloses set up the depiler that is used for crushing material together between it and the burning alms bowl, the material granule that can effectively guarantee to carry out the dress alms bowl is even, sets up rational in infrastructure, improves follow-up product quality.

Drawings

FIG. 1 is a schematic structural diagram of a hybrid feeding system for a lithium battery positive electrode material;

FIG. 2 is a schematic structural diagram of a distributing machine in a mixed feeding system of a lithium battery anode material;

FIG. 3 is a schematic front view of a feeding hopper in a hybrid feeding system for a lithium battery cathode material;

fig. 4 is a left side view schematic diagram of a feeding funnel in a mixed feeding system of a lithium battery cathode material.

Illustration of the drawings: 1. a mixer; 2. a screw conveyor; 3. a material separating machine; 31. a charger; 311. a discharge hole; 32. a housing; 321. a material receiving step; 33. screening a screen; 331. obliquely arranging a screen; 332. horizontally placing a screen mesh; 34. an elastic member; 35. a vibrator; 36. a feed hopper; 361. a roller; 362. a stirring blade; 363. and (4) striking the block.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the following specific embodiments.

Example (b):

as shown in fig. 1, the mixing and feeding system for a lithium battery positive electrode material of the embodiment includes a mixer 1, a screw conveyor 2 and a material distributor 3 for crushing the material, wherein two ends of the screw conveyor 2 are respectively communicated with a discharge port of the mixer 1 and a feed port of the material distributor 3, and are used for conveying the material from the mixer 1 to the material distributor 3, and the discharge port of the material distributor 3 is provided with a loader 31 for loading the material into a burning bowl. The system of the embodiment adopts the screw conveyor 2 for conveying, the conveying process is simple, and the environment is closed; reach depiler 3 and smash the back and directly adorn the alms bowl through loader 31, make the material all be in the inner space at the in-process of mixing, carrying and dress alms bowl, can effectively guarantee that the material does not contact with the external environment in transportation process, avoid the material to react in advance or mix impurity to influence its quality and purity etc. can effectively improve the performance of follow-up product.

Screw conveyer 2 can produce certain extrusion force to the material when the pay-off, can lead to the material slightly to agglomerate, the utility model discloses set up the depiler 3 that is used for crushing material together between it and the burning alms bowl, the material granule that can effectively guarantee to carry out the dress alms bowl is even, sets up rational in infrastructure, improves follow-up product quality. The material distributing machine 3 of the embodiment is directly arranged beside equipment in the subsequent steps, so that the fired pot after the pot loading can be directly subjected to subsequent processing.

In this embodiment, as shown in fig. 2, the material separator 3 includes a casing 32, the top of the casing 32 is provided with a feed inlet, the bottom is provided with a discharge outlet, and the inside is provided with a plurality of screens 33 from top to bottom for carrying out multilayer screening to the material, making the material particle size of the loading bowl consistent, being favorable to the even full burning bowl of spreading of material, and being favorable to the subsequent treatment process of material.

In this embodiment, the screen 33 includes a plurality of inclined screens 331 having one side higher than the opposite side and the other two sides having the same height, the two adjacent inclined screens 331 are inclined in opposite directions, and the bottom side of the upper inclined screen 331 is disposed above the screen surface of the lower inclined screen 331 with a gap. After entering the housing 32 from the inlet, the material passes through the first inclined screen 331, wherein the particles meeting the specification fall through the openings of the first inclined screen 331, and the agglomerated material rolls down along the surface of the screen and reaches the next inclined screen 331 through the gap, and the rolling process is favorable for crushing the agglomerated material.

In this embodiment, put screen cloth 331 to one side in the both sides of the unequal height, a side is connected with the inner wall of casing 32 is articulated, another side passes through elastic component 34 elastic connection with casing 32, and the material whereabouts in-process can arouse the vibrations of elastic component 34 to make elastic connection's side can rotate around the side of articulated connection, make to put screen cloth 331 to one side and bounce, further accelerate the breakage of caking material, and make the material can be quick pass through the mesh, improve screening and crushing efficiency.

In this embodiment, the screen 33 further includes a horizontal screen 332 parallel to the horizontal plane, the horizontal screen 332 is located below all the inclined screens 331, and is used for discharging the material falling from above into the discharge port of the housing 32 after further fine screening, and the side edge of the horizontal screen is connected with the housing 32 through the elastic member 34, so that the agglomerated material can be further crushed by the up-and-down vibration, and the material can also be accelerated to pass through the mesh; after the screening and crushing by the plurality of screens 33, the material finally discharged to the discharge port of the shell 32 is basically free of lumps and meets the standard of a loading bowl.

In this embodiment, the funnel-shaped material receiving step 321 is disposed above the screen surface of the flat screen 332 of the housing 32, which is beneficial for the material to be concentrated toward the screen surface of the flat screen 332, and prevents the material from being accumulated or leaking out from the side gap of the flat screen 332.

In this embodiment, the vibrator 35 is disposed outside the material separator 3, and the vibrator 35 is configured to transmit a vibrating force to the inside of the casing 32, increase the vibration amplitude of the screen 33, further accelerate the speed of the material passing through the screen 33, and further improve the crushing effect of the material lumps.

In this embodiment, the charger 31 is provided with an outlet matched with the burning bowl and an inlet connected with the discharge port of the material distributor 3 through a control valve, and a plurality of uniformly distributed discharge holes 311 are communicated between the inlet and the outlet of the charger 31. Whether the material falls and the falling speed can be effectively controlled through the switch and the adjustment control valve, and when the material is loaded into the pot, the material falls to the pot through the discharge holes 311 after passing through the control valve, so that the material can be uniformly paved on the whole pot. The discharge gate of the feeder 31 and the depiler 3 of this embodiment is for dismantling the connection to conveniently when carrying out the dress alms bowl to different shape burning bowls, change the feeder 31 of different export shapes, this kind of connection of dismantling can be threaded connection, also can adopt other connection methods of dismantling in other embodiments.

In this embodiment, as shown in fig. 3 and 4, a feeding hopper 36 is disposed at a feeding port of the material distributor 3, a plurality of rollers 361 arranged along a horizontal direction are disposed in the feeding hopper 36, and stirring blades 362 and an impact block 363 are disposed on the rollers 361 along an axial direction thereof. In this embodiment, the roller 361 is connected to the sidewall of the feeding funnel 36 through a bearing, the roller 361 has no driving mode, and the stirring blade 362 and the impact block 363 are sequentially arranged along the axial direction of the roller 361, or irregularly arranged; after the material enters, the roller 361 rotates irregularly under the impact, so that the material is driven to form an irregular moving direction after passing through the roller 361, the mutual collision probability is increased, and the material is broken up under the action of the stirring blades 362 and the impact block 363, so that the caked material can be decomposed.

In this embodiment, the plurality of rollers 361 are arranged in two rows, and each lower row of rollers 361 is located below the gap between two adjacent upper rows of rollers 361, so that the material can be prevented from directly falling from the gap without being scattered, and the scattering effect is improved.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention should be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a lithium cell cathode material's mixed feeding system, includes mixes machine (1), its characterized in that: the material mixing machine is characterized by further comprising a spiral conveyor (2) and a material separating machine (3) for crushing materials, wherein the two ends of the spiral conveyor (2) are communicated with a discharge hole of the mixing machine (1) and a feed hole of the material separating machine (3) respectively, the materials are conveyed to the material separating machine (3) from the mixing machine (1), and a material charger (31) for charging materials into a burning bowl is arranged at the discharge hole of the material separating machine (3).

2. The hybrid feeding system of the positive electrode material for lithium batteries as claimed in claim 1, wherein: depiler (3) are including casing (32), the top of casing (32) is equipped with the feed inlet, and the bottom is equipped with the discharge gate, and inside is from last to being equipped with a plurality of screens (33) down.

3. The hybrid feeding system of the positive electrode material for lithium batteries as claimed in claim 2, wherein: the screen (33) comprises a plurality of inclined screens (331) with one side higher than the opposite side and the other two sides equal in height, the inclination directions of the two inclined screens (331) which are adjacent up and down are opposite, and the bottom side of the upper inclined screen (331) is arranged above the screen surface of the lower inclined screen (331) with a gap.

4. The hybrid feeding system of the positive electrode material for lithium batteries as claimed in claim 3, wherein: among the both sides of putting screen cloth (331) to one side unequal height, one side is connected with the inner wall of casing (32) is articulated, and another side passes through elastic component (34) elastic connection with casing (32), elastic connection's side can rotate around the side of articulated connection and make to put screen cloth (331) to one side bullet.

5. The hybrid feeding system of the positive electrode material for lithium batteries as claimed in claim 3, wherein: the screen (33) further comprises a horizontal screen (332) parallel to the horizontal plane, the horizontal screen (332) is positioned below all the inclined screens (331), and the side edges of the horizontal screen are connected with the shell (32) through elastic pieces (34).

6. The hybrid feeding system of the positive electrode material for lithium batteries as claimed in claim 5, wherein: the shell (32) is provided with a funnel-shaped material receiving step (321) above the screen surface of the horizontally arranged screen (332).

7. The hybrid feeding system of a positive electrode material for a lithium battery as claimed in any one of claims 2 to 6, wherein: and a vibrator (35) is arranged outside the material distributor (3).

8. The hybrid feeding system of the positive electrode material for lithium batteries as claimed in claim 1, wherein: the feeding device (31) is provided with an outlet matched with the burning bowl and an inlet connected with a discharge port of the distributing machine (3) through a control valve, and a plurality of uniformly distributed discharge holes (311) are communicated between the inlet and the outlet of the feeding device (31).

9. The hybrid feeding system of the positive electrode material for lithium batteries as claimed in claim 1, wherein: a feeding hopper (36) is arranged at a feeding port of the material distributor (3), a plurality of rollers (361) arranged in the horizontal direction are arranged in the feeding hopper (36), and stirring blades (362) and impact blocks (363) are arranged on the rollers (361) along the axial direction of the rollers.

10. The hybrid feeding system of the positive electrode material for lithium batteries as claimed in claim 9, wherein: the plurality of rollers (361) are arranged in an upper row and a lower row, and each roller (361) in the lower row is positioned below a gap between two adjacent rollers (361) in the upper row.