CN219744474U

CN219744474U - Mixing mechanism with pre-screening structure

Info

Publication number: CN219744474U
Application number: CN202320956376.4U
Authority: CN
Inventors: 和君正; 和明刚; 田二强
Original assignee: Shaanxi Junhe Juyuan Technology Co ltd
Current assignee: Shaanxi Junhe Juyuan Technology Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-09-26
Anticipated expiration: 2033-04-25

Abstract

The utility model relates to a mixing mechanism with a pre-screening structure, which comprises a mixing bin, wherein the upper surface of the mixing bin is communicated with a feeding funnel, the left side of the mixing bin is provided with a screening component, the lower surface of the mixing bin is welded with four supporting feet, and the right side of the mixing bin is provided with a stirring component. This possess mixing mechanism of pre-screening structure has set up the screening subassembly in this possess mixing mechanism of pre-screening structure, mutually support between each structure in the screening powder subassembly, through setting up first rotating electrical machines, axostylus axostyle and disk cam, the reciprocates of filter has been realized, through the reciprocates of filter, the screening to lithium cell negative pole material has been realized, can guarantee that lithium cell negative pole material's particle size is even, the particle of lithium cell negative pole material is inhomogeneous has been solved, the problem of the phenomenon of hardening appears in the in-process of mixing easily, the practicality of this mixing mechanism has been improved as a whole.

Description

Mixing mechanism with pre-screening structure

Technical Field

The utility model relates to the technical field of lithium battery cathode materials, in particular to a mixing mechanism with a pre-screening structure.

Background

The negative electrode of the lithium ion battery is formed by uniformly coating paste adhesive prepared by mixing a negative electrode active substance carbon material or a non-carbon material, an adhesive and an additive on two sides of a copper foil, drying and rolling, wherein the negative electrode material is a main body of the lithium ion battery for storing lithium, so that lithium ions are inserted and separated in the charging and discharging process, and the negative electrode material of the lithium ion battery is mostly graphite, but along with the pursuit of higher and higher energy density of the lithium ion battery by people, silicon materials and metal lithium are the development trend of the negative electrode material in the future, and the raw materials are required to be ground and uniformly mixed in the production and processing process of the negative electrode material of the lithium ion battery.

In Chinese patent CN213078280U, a mixing device for producing lithium battery cathode materials is disclosed, which comprises a supporting seat and a stirring kettle arranged at the top of the supporting seat, wherein the stirring kettle comprises a feed chute, a discharge pipe is arranged at the bottom of the stirring kettle, the stirring kettle is inclined at 45 degrees, a bottom connecting rod is arranged at the center of the bottom of the stirring kettle, a connecting block is arranged at the bottom of the bottom connecting rod, a rotating disc is rotationally connected at the top of the supporting seat, the connecting block is fixedly connected with the top of the rotating disc close to the outer edge, and a motor is arranged at the bottom of the rotating disc.

Above-mentioned patent rotates through the stirred tank that sets up and drives its inside lithium cell negative pole material and roll by oneself, need not the stirring roller to it stirs to in the misce bene, reduce the damage that external application of force led to the fact lithium cell negative pole material, but not set up the prescreening structure to lithium cell negative pole material in this patent, and then can lead to lithium cell negative pole material's granule inhomogeneous, the phenomenon of hardening appears in the in-process of mixing easily, for this reason proposes a mixing mechanism that possesses prescreening structure to solve above-mentioned problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the mixing mechanism with the pre-screening structure, which has the advantage of being capable of screening the lithium battery cathode material, and solves the problems that the particles of the lithium battery cathode material are uneven and are easy to harden in the mixing process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the mixing mechanism with the pre-screening structure comprises a mixing bin, wherein the upper surface of the mixing bin is communicated with a feeding funnel, a screening component is arranged on the left side of the mixing bin, four supporting feet are welded on the lower surface of the mixing bin, and a stirring component is arranged on the right side of the mixing bin;

the screening assembly comprises a driving part and a filtering part, the driving part comprises a first rotating motor arranged on the left side of the mixing bin, a shaft rod driven by the output shaft of the first rotating motor to do circular motion is fixed on the outer side of the output shaft of the first rotating motor, two disc cams are fixed on the outer side of the shaft rod, and a filter plate is arranged between the left side wall and the right side wall of the inner cavity of the mixing bin.

Further, the lower surface of mixing bin communicates there is the discharging pipe, the outside of discharging pipe is fixed with the control valve.

Further, limiting grooves are formed in the left side wall and the right side wall of the inner cavity of the mixing bin, limiting blocks are fixed on the left side and the right side of the filter plate, and the limiting blocks are slidably connected in the limiting grooves.

Further, the two disc cams are symmetrically distributed on the left side and the right side of the longitudinal central axis of the mixing bin, and one end, far away from the first rotating motor, of the shaft rod is rotationally connected with the right side wall of the inner cavity of the mixing bin through a bearing.

Further, the filtering part comprises connecting plates which are respectively fixed on the left side wall and the right side wall of the inner cavity of the mixing bin, a telescopic rod is fixed on the upper surface of the connecting plate, and connecting springs with two sides respectively fixed with the lower surface of the filter plate and the upper surface of the connecting plate are sleeved on the outer side of the telescopic rod.

Further, one end of the telescopic rod far away from the connecting plate is fixed with the lower surface of the filter plate, and the number of the telescopic rods is four.

Further, the stirring subassembly is including installing the second rotating electrical machines on mixing the storehouse right side, the outside of second rotating electrical machines output shaft is fixed with by its belt pulley a that is driving circular motion, belt pulley a's outside is connected with two belt pulleys b through belt transmission, belt pulley b's inside is fixed with the connecting rod that the other end runs through and extends to mixing the storehouse inside, the outside of connecting rod is fixed with fixed cover, the outside of fixed cover is fixed with the stirring leaf.

Further, the left end face of the connecting rod is rotationally connected with the left side wall of the inner cavity of the mixing bin through a bearing, and the number of the fixed sleeves is not less than two.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. this possess mixing mechanism of screening structure in advance has set up the screening subassembly in this possess mixing mechanism of screening structure in advance, mutually supporting between each structure in the screening powder subassembly through setting up first rotating electrical machines, axostylus axostyle and disk cam, has realized reciprocating of filter, has realized the screening to lithium cell negative pole material through the reciprocating of filter, can guarantee that lithium cell negative pole material's granule size is even, has solved lithium cell negative pole material's granule inhomogeneous, the problem of the phenomenon of hardening appears in the in-process of mixing easily.

2. This possess mixing mechanism of screening structure in advance has set up stirring subassembly in this possess mixing mechanism of screening structure in advance, mutually support between each structure in the stirring subassembly, through setting up second rotating electrical machines, belt pulley a and belt pulley b, realized the rotation to connecting rod, fixed cover and stirring leaf, along with the rotation of stirring leaf, realized the stirring to the lithium cell negative pole material in the mixing bin, make lithium cell negative pole material can misce bene.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a screen assembly of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;

FIG. 4 is a schematic view of a stirring assembly according to the present utility model.

In the figure: 1 mixing bin, 2 feeding funnel, 3 screening components, 301 first rotating motor, 302 shaft rod, 303 disc cam, 304 filter plate, 305 connecting plate, 306 telescopic rod, 307 connecting spring, 4 supporting legs, 5 stirring components, 501 second rotating motor, 502 belt pulley a, 503 belt pulley b, 504 connecting rod, 505 fixing sleeve, 506 stirring blade.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: referring to fig. 1, a mixing mechanism with a pre-screening structure in this embodiment includes a mixing bin 1, a feeding funnel 2 is connected to an upper surface of the mixing bin 1, a screening assembly 3 is disposed on a left side of the mixing bin 1, four supporting feet 4 are welded to a lower surface of the mixing bin 1, and a stirring assembly 5 is disposed on a right side of the mixing bin 1.

The lower surface of the mixing bin 1 is communicated with a discharging pipe, and a control valve is fixed on the outer side of the discharging pipe.

It should be noted that the components of the present utility model are all common standard components or components known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods.

Embodiment two: referring to fig. 2-3, in order to screen the negative electrode material of the lithium battery, in the first embodiment, the screen assembly 3 includes a driving portion and a filtering portion, the driving portion includes a first rotating motor 301 installed on the left side of the mixing bin 1, a shaft rod 302 driven to do circular motion by the output shaft of the first rotating motor 301 is fixed on the outer side of the output shaft of the first rotating motor 301, two disc cams 303 are fixed on the outer side of the shaft rod 302, and a filter plate 304 is disposed between the left and right side walls of the inner cavity of the mixing bin 1.

Limiting grooves are formed in the left side wall and the right side wall of the inner cavity of the mixing bin 1, limiting blocks are fixed on the left side and the right side of the filter plate 304, the limiting blocks are slidably connected in the limiting grooves, when the filter plate 304 moves, the limiting blocks are driven to move simultaneously, and at the moment, the limiting blocks slide in the limiting grooves.

The two disc cams 303 are symmetrically distributed on the left and right sides of the longitudinal central axis of the mixing bin 1, and one end of the shaft rod 302, which is far away from the first rotary motor 301, is rotationally connected with the right side wall of the inner cavity of the mixing bin 1 through a bearing.

The filtering part comprises a connecting plate 305 which is respectively fixed on the left side wall and the right side wall of the inner cavity of the mixing bin 1, a telescopic rod 306 is fixed on the upper surface of the connecting plate 305, and a connecting spring 307 which is respectively fixed on the lower surface of the filtering plate 304 and the upper surface of the connecting plate 305 is sleeved on the outer side of the telescopic rod 306.

One end of the telescopic rods 306, which is far away from the connecting plate 305, is fixed with the lower surface of the filter plate 304, and the number of the telescopic rods 306 is four.

The telescopic link 306 comprises cover storehouse and motion pole, and motion pole one end runs through and extends to the inside in cover storehouse, and the outside fixedly connected with of motion pole is located the inside limiting block in cover storehouse, and the through-hole with motion pole looks adaptation has been seted up to one side in cover storehouse, through being provided with limiting block, has prevented that the motion pole breaks away from with the cover storehouse in the motion process.

Embodiment III: referring to fig. 4, in order to achieve stirring and mixing of the lithium battery cathode material in the mixing bin 1 based on the first embodiment and the second embodiment, the stirring assembly 5 in this embodiment includes a second rotating electric machine 501 installed on the right side of the mixing bin 1, a belt pulley a502 driven by the second rotating electric machine 501 to perform circular motion is fixed on the outer side of an output shaft of the second rotating electric machine 501, two belt pulleys b503 are connected to the outer side of the belt pulley a502 through belt transmission, a connecting rod 504 with the other end penetrating and extending into the mixing bin 1 is fixed inside the belt pulley b503, a fixing sleeve 505 is fixed on the outer side of the connecting rod 504, and stirring blades 506 are fixed on the outer side of the fixing sleeve 505.

The left end face of the connecting rod 504 is rotationally connected with the left side wall of the inner cavity of the mixing bin 1 through a bearing, and the number of the fixed sleeves 505 is not less than two.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

If the utility model discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

The working principle of the embodiment is as follows:

(1) When the lithium battery anode materials are required to be mixed, the first rotary motor 301 and the second rotary motor 501 are started first, the output shafts of the first rotary motor 301 and the second rotary motor 501 start to rotate, the shaft rod 302 is driven to start to rotate, the rotation of the shaft rod 302 drives the disc cam 303 to start to rotate, when one side with the largest radius of the disc cam 303 is in contact with the lower surface of the filter plate 304, the filter plate 304 is located at the highest point, meanwhile, the length of the telescopic rod 306 is extended, the connecting spring 307 is stretched, and when one side with the smallest radius of the disc cam 303 is in contact with the lower surface of the filter plate 304, the filter plate 304 is located at the lowest point.

(2) Simultaneously, the length of the telescopic rod 306 is shortened, the connecting spring 307 is compressed, the second rotating motor 501 drives the belt pulley a502 to start rotating, the belt pulley b503 is driven by the rotation of the belt pulley a502 to start rotating, the connecting rod 504 and the fixed sleeve 505 are driven by the rotation of the belt pulley b503 to start rotating, the stirring blade 506 is driven by the rotation of the fixed sleeve 505 to start rotating, then lithium battery negative electrode materials to be mixed are fed into the mixing bin 1 from the feeding funnel 2 by staff, the lithium battery negative electrode materials are screened along with the up-and-down movement of the filter plate 304, the lithium battery negative electrode materials with uniform particles can be stirred and mixed through the filter plate 304 along with the rotation of the stirring blade 506.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Mixing mechanism that possesses pre-screening structure, including mixing storehouse (1), its characterized in that: the upper surface of the mixing bin (1) is communicated with a feeding funnel (2), a screening component (3) is arranged on the left side of the mixing bin (1), four supporting feet (4) are welded on the lower surface of the mixing bin (1), and a stirring component (5) is arranged on the right side of the mixing bin (1);

the screening assembly (3) comprises a driving part and a filtering part, the driving part comprises a first rotating motor (301) arranged on the left side of the mixing bin (1), a shaft rod (302) driven by the output shaft of the first rotating motor (301) to do circular motion is fixed on the outer side of the output shaft of the first rotating motor, two disc cams (303) are fixed on the outer side of the shaft rod (302), and a filter plate (304) is arranged between the left side wall and the right side wall of the inner cavity of the mixing bin (1).

2. A mixing mechanism with pre-screening structure according to claim 1, characterized in that: the lower surface of the mixing bin (1) is communicated with a discharging pipe, and a control valve is fixed on the outer side of the discharging pipe.

3. A mixing mechanism with pre-screening structure according to claim 1, characterized in that: limiting grooves are formed in the left side wall and the right side wall of the inner cavity of the mixing bin (1), limiting blocks are fixed on the left side and the right side of the filter plate (304), and the limiting blocks are slidably connected in the limiting grooves.

4. A mixing mechanism with pre-screening structure according to claim 1, characterized in that: the two disc cams (303) are symmetrically distributed on the left side and the right side of the longitudinal central axis of the mixing bin (1), and one end, far away from the first rotating motor (301), of the shaft rod (302) is rotationally connected with the right side wall of the inner cavity of the mixing bin (1) through a bearing.

5. A mixing mechanism with pre-screening structure according to claim 1, characterized in that: the filtering part comprises connecting plates (305) which are respectively fixed on the left side wall and the right side wall of the inner cavity of the mixing bin (1), a telescopic rod (306) is fixed on the upper surface of the connecting plate (305), and connecting springs (307) which are respectively fixed on the lower surface of the filtering plate (304) and the upper surface of the connecting plate (305) are sleeved on the outer side of the telescopic rod (306).

6. A mixing mechanism with pre-screening arrangement according to claim 5, wherein: one end of the telescopic rods (306) far away from the connecting plate (305) is fixed with the lower surface of the filter plate (304), and the number of the telescopic rods (306) is four.

7. A mixing mechanism with pre-screening structure according to claim 1, characterized in that: the stirring assembly (5) comprises a second rotating motor (501) arranged on the right side of the mixing bin (1), a belt pulley a (502) driven by the second rotating motor (501) to do circular motion is fixed on the outer side of an output shaft of the second rotating motor, two belt pulleys b (503) are connected to the outer side of the belt pulley a (502) through belt transmission, a connecting rod (504) penetrating through and extending to the inner side of the mixing bin (1) at the other end of the inner part of the belt pulley b (503) is fixed, a fixing sleeve (505) is fixed on the outer side of the connecting rod (504), and stirring blades (506) are fixed on the outer side of the fixing sleeve (505).

8. A mixing mechanism with pre-screening arrangement according to claim 7, wherein: the left end face of the connecting rod (504) is rotationally connected with the left side wall of the inner cavity of the mixing bin (1) through a bearing, and the number of the fixing sleeves (505) is not less than two.