CN213761430U - Lithium battery negative electrode slurry stirring device - Google Patents
Lithium battery negative electrode slurry stirring device Download PDFInfo
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- CN213761430U CN213761430U CN202022436591.0U CN202022436591U CN213761430U CN 213761430 U CN213761430 U CN 213761430U CN 202022436591 U CN202022436591 U CN 202022436591U CN 213761430 U CN213761430 U CN 213761430U
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Abstract
The utility model relates to a lithium battery cathode slurry stirring device, which belongs to the field of lithium batteries and comprises a bracket, wherein a stirring cylinder is arranged on the bracket, a stirring mechanism is also arranged on the bracket, the stirring mechanism comprises a rotating shaft and a driving motor, a plurality of first stirring sheets are fixedly arranged on the left side of the rotating shaft from top to bottom in sequence, a plurality of second stirring sheets are arranged on the right side of the rotating shaft corresponding to the first stirring sheets, a first elastic sheet is fixedly arranged on the left side of the first stirring sheet, the first elastic sheet extends upwards to form the first stirring sheet, the front end of the first elastic sheet extends forwards to be abutted against the side wall of the stirring cylinder, and the front end of the first elastic sheet generates elastic deformation towards the right, the right end of the second stirring sheet is fixedly provided with a second elastic sheet, the second elastic sheet upwards extends out of the second stirring sheet, the rear end of the second elastic sheet backwards extends to abut against the side wall of the stirring cylinder, and the rear end of the second elastic plate generates elastic deformation towards the left. The utility model discloses can prevent effectively that negative pole thick liquids from gluing on the agitator.
Description
Technical Field
The utility model relates to a lithium cell field, in particular to lithium cell negative pole thick liquids agitating unit.
Background
The lithium ion battery has the advantages of large energy density, no memory effect, long service life, greenness, no pollution and small self-discharge, has become the first choice power supply equipment of various portable electronic products, gradually extends to the fields of portable electric tools, electric automobiles, energy storage power stations and the like, and can play a more important role in human production and life along with the development of the lithium ion battery.
At present, in the preparation process of the lithium ion battery cathode slurry in China, materials are added into a stirring cylinder one by one and then stirred, however, in the stirring process, powdery materials such as graphite powder and the like are very easy to adhere to the inner wall of the stirring cylinder after being mixed with glue solution and need to be removed manually at regular time, the production efficiency is greatly influenced, and the proportion of the components of the cathode slurry can be influenced after the powdery materials adhere to the inner wall of the stirring cylinder, so that the performance of a lithium battery can be influenced.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a lithium battery negative electrode slurry stirring device, which comprises a support, wherein a stirring cylinder is arranged on the support, the stirring cylinder is cylindrical, a stirring mechanism is further arranged on the support, the stirring mechanism comprises a rotating shaft rotatably arranged on the support, the rotating shaft and the stirring cylinder are arranged at the same central line, the lower end of the rotating shaft extends into the stirring cylinder, a driving motor is further arranged on the support, the driving motor is in driving connection with the rotating shaft and is used for driving the rotating shaft to rotate, a plurality of first stirring sheets are fixedly arranged on the left side of the rotating shaft from the top down in sequence, a plurality of second stirring sheets are arranged on the right side of the rotating shaft corresponding to the first stirring sheets, the second stirring sheets are positioned below the corresponding first stirring sheets, and a first elastic sheet is fixedly arranged at the left end of the first stirring sheets, the first elastic sheet extends upwards to form the first stirring sheet, the front end of the first elastic sheet extends forwards to be abutted to the side wall of the stirring cylinder, the front end of the first elastic sheet generates elastic deformation towards the right, the right end of the second stirring sheet is fixedly provided with a second elastic sheet, the second elastic sheet extends upwards to form the second stirring sheet, the rear end of the second elastic sheet extends backwards to be abutted to the side wall of the stirring cylinder, and the rear end of the second elastic plate generates elastic deformation towards the left.
The utility model discloses during the use, at first in adding the mixing bowl with the material that is arranged in disposing negative pole thick liquids, then driving motor drive pivot anticlockwise rotation, epaxial first stirring piece of commentaries on classics and second stirring piece can stir the material along with the pivot rotates for the material misce bene.
Wherein the front end of the first elastic sheet on the first stirring sheet is abutted against the side wall of the stirring cylinder and causes the first elastic sheet to generate elastic deformation, therefore, the first elasticity can press the front end of the first elastic piece on the side wall of the stirring cylinder through the self elastic deformation, the rear end of the second elastic piece on the second stirring piece is abutted against the side wall of the stirring cylinder, and the second elastic piece is elastically deformed, the second elasticity presses the rear end of the second elastic piece against the side wall of the stirring cylinder through the elastic deformation of the second elastic piece, therefore, when the first elastic sheet and the second elastic sheet rotate along with the first stirring sheet and the second stirring sheet, the front end and the rear end of the first elastic plate and the second elastic sheet can play a role of shoveling off adhered objects on the side wall of the stirring cylinder, therefore, the utility model shovels the adhesive on the side wall of the mixing tank down while lowering the plate, so that the adhesive is mixed again, therefore, the component proportion of the cathode slurry can be effectively kept unchanged, and the production efficiency can be improved.
Furthermore, first stirring piece and second stirring piece are set up alternately, the upper end of second flexure strip extends to the top of the first stirring piece that the second stirring piece that it was located corresponds.
The second elastic sheet on the second stirring sheet extends to the top of the first stirring sheet corresponding to the second stirring sheet, and then when the rotating shaft rotates, the side wall of the stirring cylinder between the first elastic sheet at the top of the rotating shaft and the second elastic sheet at the bottom of the rotating shaft can be covered by the first elastic sheet and the second elastic sheet, so that the side wall of the stirring cylinder can be thoroughly cleaned in the stirring process. Wherein, during the stirring, the top of the first flexure strip of top in the pivot is not exceeded to the height that keeps the material in the agitator tank, can guarantee the utility model discloses to the clearance effect of the lateral wall of agitator tank.
Furthermore, the second stirring sheet at the lowest part is fixedly arranged at the bottom end of the rotating shaft.
The setting of the lowest second stirring piece of height can increase as far as possible in the bottom of pivot in all second stirring pieces the utility model discloses a stirring scope to can make the material can be stirred by the stirring in shorter time.
Furthermore, the lower end of the second elastic sheet on the second stirring sheet positioned at the lowest part extends downwards to be abutted against the bottom of the stirring cylinder.
The lower extreme of the second flexure strip on the lowest second stirring piece of height extends to the bottom of agitator tank among all second stirring pieces, consequently the utility model discloses can clear up near the lateral wall of agitator tank bottom, shovel the likepowder material of adhesion on it.
Furthermore, the rear end of the first stirring sheet is arranged in an upward inclined manner, and the first stirring sheet is inclined in a manner that the rear part is higher and the front part is lower.
Wherein, the slope form that high preceding low is behind first stirring piece is, and when consequently pivot clockwise rotation, first stirring piece can also upwards promote the material when transversely stirring the material to can promote the convection current of the material in the agitator for stirring efficiency.
Furthermore, the rear end of the second stirring sheet is arranged upwards, and the second stirring sheet is inclined with a high rear part and a low front part.
The second stirring piece is the slope form that the back height was low before, therefore when pivot clockwise turning, the second stirring piece can also promote the material downwards when transversely stirring the material, can further increase the convection current of material, thereby further increase the utility model discloses stirring efficiency to the material.
Furthermore, the opening part of the stirring cylinder is also detachably provided with a sealing cover, and the sealing cover corresponds to the rotating shaft and is provided with a through hole for the rotating shaft to pass through.
The closing cap can prevent the material spill the agitator in the agitator tank, can also prevent that the foreign matter from entering into the agitator tank simultaneously.
Further, the pivot corresponds the via hole is provided with the installation department, the installation department includes the collar, the collar through the bearing rotationally set up in the pivot, the collar with the sealed cooperation setting of via hole.
After the cover lid established the agitator tank, the epaxial collar of installing of pivot just in time imbed in the via hole with the via hole contact is sealed to can improve the leakproofness of cover and agitator tank, wherein, the bearing adopts waterproof bearing.
The principle and effect of the present invention will be further explained below with reference to the above technical solutions and the accompanying drawings:
in the utility model, the front end of the first elastic sheet on the first stirring sheet is abutted against the side wall of the stirring cylinder, and the first elastic sheet is elastically deformed, so that the front end of the first elastic sheet can be pressed on the side wall of the stirring cylinder by the first elastic sheet through the elastic deformation of the first elastic sheet, the rear end of the second elastic sheet on the second stirring sheet is abutted against the side wall of the stirring cylinder, and the second elastic sheet is elastically deformed, so that the rear end of the second elastic sheet can be pressed on the side wall of the stirring cylinder by the second elastic sheet through the elastic deformation of the second elastic sheet, when the first elastic sheet and the second elastic sheet rotate along with the first stirring sheet and the second stirring sheet, the front end and the rear end of the first elastic plate and the second elastic sheet can play a role of shoveling off the adhered substances on the side wall of the stirring cylinder, therefore, the utility model shovels the adhered substances on the side wall of the stirring cylinder while lowering the plate, so that the adhered substances are stirred again, therefore, the component proportion of the cathode slurry can be effectively kept unchanged, and the production efficiency can be improved.
Drawings
Fig. 1 is a schematic cross-sectional structure view of a stirring device for negative electrode slurry of a lithium battery according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is an enlarged view of portion C of FIG. 1;
fig. 5 is a schematic top view of a mixing bowl according to an embodiment of the present invention.
Description of reference numerals:
1-support, 2-stirring cylinder, 21-sealing cover, 3-rotating shaft, 31-mounting ring, 32-bearing, 4-driving motor, 5-first stirring sheet, 51-first elastic sheet, 6-second stirring sheet and 61-second elastic sheet.
Detailed Description
To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples:
in the specification, terms of orientation such as front, back, left and right are used with reference to fig. 1.
Referring to fig. 1-5, a lithium battery negative electrode slurry stirring device comprises a support 1, wherein a stirring cylinder 2 is arranged on the support 1, the stirring cylinder 2 is cylindrical, a stirring mechanism is further arranged on the support 1, the stirring mechanism comprises a rotating shaft 3 rotatably arranged on the support 1, the rotating shaft 3 and the stirring cylinder 2 are arranged on the same central line, the lower end of the rotating shaft 3 extends into the stirring cylinder 2, a driving motor 4 is further arranged on the support 1, the driving motor 4 is in driving connection with the rotating shaft 3 and is used for driving the rotating shaft 3 to rotate, a plurality of first stirring sheets 5 are sequentially and fixedly arranged on the left side of the rotating shaft 3 from top to bottom, a plurality of second stirring sheets 6 are arranged on the right side of the rotating shaft 3 corresponding to the first stirring sheets 5, and the second stirring sheets 6 are located below the corresponding first stirring sheets 5, the left end of first stirring piece 5 is fixed with first flexure strip 51, first flexure strip 51 upwards extends first stirring piece 5, the front end of first flexure strip 51 extend forward with the lateral wall of agitator 2 offsets, just the front end of first flexure strip 51 produces elastic deformation towards the right side, the fixed second flexure strip 61 that is provided with of right-hand member of second stirring piece 6, second flexure strip 61 upwards extends second stirring piece 6, the rear end of second flexure strip 61 extend backward to with the lateral wall of agitator 2 offsets, just the rear end of second flexure strip produces elastic deformation towards the left side.
The utility model discloses during the use, at first in adding the material that is arranged in disposing negative pole thick liquids to the agitator 2, then 3 anticlockwise rotations of driving motor 4 drive pivot, and the epaxial first stirring piece 5 of pivot 3 and second stirring piece 6 can stir the material along with pivot 3 rotations for the material misce bene.
Wherein, the front end of the first elastic sheet 51 on the first stirring sheet 5 is abutted against the side wall of the stirring cylinder 2, and the first elastic sheet 51 is elastically deformed, so that the first elasticity can press the front end thereof against the side wall of the stirring cylinder 2 through the elastic deformation of the first elastic sheet, the rear end of the second elastic sheet 61 on the second stirring sheet 6 is abutted against the side wall of the stirring cylinder 2, and the second elastic sheet 61 is elastically deformed, so that the second elasticity can press the rear end thereof against the side wall of the stirring cylinder 2 through the elastic deformation of the second elastic sheet, so that when the first elastic sheet 51 and the second elastic sheet 61 rotate along with the first stirring sheet 5 and the second stirring sheet 6, the front end and the rear end of the first elastic plate and the second elastic sheet 61 can play a role of shoveling adhered objects on the side wall of the stirring cylinder 2, therefore, the utility model shovels adhered objects on the side wall of the stirring cylinder 2 while lowering the plate, the adhesive is stirred again, so that the component proportion of the cathode slurry can be effectively kept unchanged, and the production efficiency can be improved.
Wherein, the lower extreme of the lateral wall of agitator tank 2 sets up an export to install the discharge pipe in the export, install the valve on the discharge pipe, the discharge pipe is used for discharging the thick liquids after the negative pole thick liquids stirring evenly.
In one embodiment, the first stirring blades 5 and the second stirring blades 6 are alternately arranged, and the upper end of the second elastic blade 61 extends to the position above the first stirring blade 5 corresponding to the second stirring blade 6 where the second elastic blade is located.
Second elastic sheet 61 on second stirring piece 6 extends to the top of the first stirring piece 5 that this second stirring piece 6 corresponds, then when pivot 3 rotated, the lateral wall of the mixing bowl 2 that lies in between first elastic sheet 51 of the top on pivot 3 and the second elastic sheet 61 of the bottom on pivot 3 can both be covered by pivoted first elastic sheet 51 and second elastic sheet 61 to can realize the thorough clearance to the lateral wall of mixing bowl 2 at the stirring in-process. Wherein, during the stirring, the top of the first flexure strip 51 of top on keeping the height of the material in the agitator 2 no longer than pivot 3 can guarantee the utility model discloses the clearance effect to the lateral wall of agitator 2.
In one embodiment, the second stirring blade 6 at the bottom is fixedly arranged at the bottom end of the rotating shaft 3.
The lowest second stirring piece 6 of all the second stirring pieces 6 is arranged at the bottom end of the rotating shaft 3, and the stirring range can be increased as much as possible, so that the materials can be uniformly stirred in a shorter time.
In one embodiment, the lower end of the second elastic piece 61 on the lowest second stirring piece 6 extends downwards to be against the bottom of the stirring cylinder 2.
The lower extreme of second flexure strip 61 on the lowest second stirring piece 6 in all second stirring pieces 6 extends to the bottom of agitator 2, consequently the utility model discloses can clear up near the lateral wall in agitator 2 bottom, shovel the likepowder material of adhesion on it.
In one embodiment, the rear end of the first stirring sheet 5 is inclined upward, and the first stirring sheet 5 is inclined high at the rear and low at the front.
Wherein, the slope form that hangs down before first stirring piece 5 is the back height, therefore when pivot 3 clockwise turning, first stirring piece 5 can also upwards promote the material when transversely stirring the material to can promote the convection current of the material in the churn 2, accelerate stirring efficiency.
In one embodiment, the rear end of the second stirring sheet 6 is disposed upward, and the second stirring sheet 6 is inclined with a higher rear end and a lower front end.
Second stirring piece 6 is the slope form that the back height was low before, therefore when pivot 3 clockwise rotation, second stirring piece 6 can also promote the material downwards when transversely stirring the material, can further increase the convection current of material, thereby further increase the utility model discloses stirring efficiency to the material.
In one embodiment, a sealing cover 21 is further detachably disposed at an opening of the stirring cylinder 2, and the sealing cover 21 is provided with a via hole corresponding to the rotating shaft 3 for the rotating shaft 3 to pass through.
The cover 21 prevents the material in the mixing bowl 2 from splashing out of the mixing bowl 2 and prevents foreign matter from entering the mixing bowl 2.
One of them embodiment, pivot 3 corresponds the via hole is provided with the installation department, the installation department includes collar 31, collar 31 through bearing 32 rotationally set up in pivot 3, collar 31 with the sealed cooperation setting of via hole.
After the cover 21 is covered on the stirring cylinder 2, the mounting ring 31 on the rotating shaft 3 is just embedded into the via hole to be in contact sealing with the via hole, so that the sealing performance of the cover 21 and the stirring cylinder 2 can be improved, wherein the bearing 32 is a waterproof bearing 32.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A lithium battery negative electrode slurry stirring device is characterized by comprising a support, wherein a stirring cylinder is arranged on the support, the stirring cylinder is cylindrical, a stirring mechanism is further arranged on the support, the stirring mechanism comprises a rotating shaft which is rotatably arranged on the support, the rotating shaft and the stirring cylinder are arranged on the same central line, the lower end of the rotating shaft extends into the stirring cylinder, a driving motor is further arranged on the support, the driving motor is connected with the rotating shaft in a driving mode and is used for driving the rotating shaft to rotate, a plurality of first stirring sheets are sequentially and fixedly arranged on the left side of the rotating shaft from top to bottom, a plurality of second stirring sheets are arranged on the right side of the rotating shaft corresponding to the first stirring sheets, the second stirring sheets are located below the corresponding first stirring sheets, a first elastic sheet is fixedly arranged on the left end of the first stirring sheet, and the first elastic sheet extends upwards out of the first stirring sheet, the front end of first flexure strip extend forward with the lateral wall of agitator offsets, just the front end of first flexure strip produces elastic deformation towards the right side, the fixed second flexure strip that is provided with of right-hand member of second stirring piece, the second flexure strip upwards extends the second stirring piece, the rear end of second flexure strip extend backward with the lateral wall of agitator offsets, just the rear end of second flexure strip produces elastic deformation towards a left side.
2. The stirring device for the negative electrode slurry of the lithium battery as claimed in claim 1, wherein the first stirring pieces and the second stirring pieces are arranged alternately, and the upper end of the second elastic piece extends to the position above the first stirring piece corresponding to the second stirring piece.
3. The stirring device for negative electrode slurry of a lithium battery as claimed in claim 2, wherein the second stirring piece at the lowest position is fixedly arranged at the bottom end of the rotating shaft.
4. The stirring device for negative electrode slurry of a lithium battery as claimed in claim 3, wherein the lower end of the second elastic piece on the second stirring piece positioned at the lowest position extends downwards to be against the bottom of the stirring cylinder.
5. The stirring device for negative electrode slurry of a lithium battery as claimed in claim 1 or 4, wherein the rear end of the first stirring piece is inclined upward, and the first stirring piece is inclined so that the rear part is higher than the front part.
6. The stirring device for negative electrode slurry of a lithium battery as claimed in claim 5, wherein the second stirring piece is disposed with its rear end upward, and the second stirring piece is inclined with its rear end higher and its front end lower.
7. The stirring device for the negative electrode slurry of the lithium battery as claimed in claim 6, wherein a sealing cover is detachably arranged at the opening of the stirring cylinder, and a through hole for the rotating shaft to pass through is arranged on the sealing cover corresponding to the rotating shaft.
8. The stirring device for the negative electrode slurry of the lithium battery as claimed in claim 7, wherein the rotating shaft is provided with an installation part corresponding to the via hole, the installation part comprises an installation ring, the installation ring is rotatably arranged on the rotating shaft through a bearing, and the installation ring is in sealing fit with the via hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022436591.0U CN213761430U (en) | 2020-10-28 | 2020-10-28 | Lithium battery negative electrode slurry stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022436591.0U CN213761430U (en) | 2020-10-28 | 2020-10-28 | Lithium battery negative electrode slurry stirring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213761430U true CN213761430U (en) | 2021-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022436591.0U Active CN213761430U (en) | 2020-10-28 | 2020-10-28 | Lithium battery negative electrode slurry stirring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213761430U (en) |
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2020
- 2020-10-28 CN CN202022436591.0U patent/CN213761430U/en active Active
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