CN209968159U - Spraying device and slurry mixer with same - Google Patents
Spraying device and slurry mixer with same Download PDFInfo
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- CN209968159U CN209968159U CN201920622149.1U CN201920622149U CN209968159U CN 209968159 U CN209968159 U CN 209968159U CN 201920622149 U CN201920622149 U CN 201920622149U CN 209968159 U CN209968159 U CN 209968159U
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- flow guide
- limiting portion
- liquid inlet
- spraying device
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Abstract
The utility model discloses a spray set and have its spray set's thick liquids mixer, spray set is applied to the thick liquids mixer, the thick liquids mixer includes (mixing) shaft and stirring leaf, spray set includes nozzle and spray pump, the nozzle includes water conservancy diversion spare, water conservancy diversion spare includes first water conservancy diversion spare and second water conservancy diversion spare, first water conservancy diversion spare with second water conservancy diversion spare is parallel to each other and the interval sets up, first water conservancy diversion spare with the first clearance that second water conservancy diversion spare formed with spray pump intercommunication works as spray set during operation, spray the pump with the binder carry extremely the nozzle, and follow first clearance is followed a style of calligraphy blowout. The utility model provides a spray set and have its spray set's thick liquids mixer has solved among the prior art thick liquids stirring in-process, and the binder adds inhomogeneously, influences the problem of the stability of lithium cell thick liquids.
Description
Technical Field
The utility model relates to a lithium cell makes technical field, concretely relates to spray set and has its spray set's thick liquids mixer.
Background
The lithium battery electrode slurry is one of important links of lithium battery production, and the stability of the slurry is an important index for ensuring the consistency of the lithium battery. In the manufacturing process of a lithium battery, it is necessary to stir the slurry and add a binder so that an electrode active material in the lithium battery adheres to a current collector. In the prior art, when a spraying device for adding the binder sprays the binder, the spraying device cannot cover all the slurry under the stirring action of a stirring device, so that the binder in the slurry is not uniformly added, the binder is concentrated at certain positions in the slurry, and the stability of the lithium battery slurry is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a spray set and have its spray set's thick liquids mixer aims at solving among the prior art thick liquids stirring in-process, and the binder adds inhomogeneously, influences the problem of the stability of lithium cell thick liquids.
In order to achieve the purpose, the utility model provides a spraying device which is applied to a slurry mixer, wherein the slurry mixer comprises a stirring device, and the stirring device comprises a stirring shaft and a plurality of stirring blades arranged around the stirring shaft;
the spraying device comprises a nozzle and a spraying pump, the nozzle comprises a shell and a flow guide piece, the shell forms a first accommodating cavity and is provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are arranged oppositely, and the aperture of the liquid outlet is smaller than that of the liquid inlet; the spraying pump is communicated with the liquid inlet;
the flow guide piece penetrates through the liquid outlet and comprises a first flow guide piece and a second flow guide piece, and the first flow guide piece and the second flow guide piece are parallel to each other and arranged at intervals and penetrate through the liquid outlet; a first gap is formed between the first flow guide part and the second flow guide part, and the extending direction of the first gap is vertical to the axial direction of the stirring shaft;
when the nozzle works, the liquid entering the nozzle from the liquid inlet is sprayed out of the nozzle from the first gap.
Optionally, one side of the shell, which is close to the liquid inlet, is provided with a rotary positioning part, and the rotary positioning part is in sealing connection with the inner wall of the slurry stirring machine.
Optionally, the rotary positioning part is a positioning groove formed in the surface of one side, close to the liquid inlet, of the shell, and a positioning buckle is formed in the inner wall of the slurry stirring machine and connected with the positioning groove in a buckled mode.
Optionally, the casing is close to one side edge of liquid outlet the lateral wall outside of casing is equipped with the rotation auxiliary member, the rotation auxiliary member includes first rotation auxiliary member and second rotation auxiliary member, first rotation auxiliary member with the second rotation auxiliary member with the liquid outlet sets up as central symmetry.
Optionally, the nozzle further comprises a fixing seat, the fixing seat is accommodated in the first accommodating cavity and sleeved with the first flow guide piece and the second flow guide piece.
Optionally, the fixing base includes a connecting portion and a limiting portion, the connecting portion is accommodated in the first accommodating cavity and parallel to the plane where the liquid outlet is located, the connecting portion is fixedly connected with the limiting portion, and the limiting portion is located on one side of the connecting portion away from the liquid inlet and penetrates through the liquid outlet.
Optionally, a first groove is formed in the inner side wall of one side, close to the liquid outlet, of the shell, a first boss is formed in the surface, close to the limiting portion, of one side of the connecting portion, and the first boss is contained in the first groove and abutted to the first groove.
Optionally, a second groove is formed in the inner surface of one side, close to the liquid inlet, of the connecting portion, a second boss is arranged on the outer side wall of the first flow guide piece, a third boss is arranged on the outer side wall of the second flow guide piece, the second boss abuts against a side surface, away from the liquid inlet, of the second groove, and the third boss abuts against a side surface, away from the liquid inlet, of the second groove.
Optionally, the limiting portion includes a first limiting portion and a second limiting portion, the first limiting portion and the second limiting portion are parallel and arranged at intervals, the first limiting portion is close to one side surface of the second limiting portion and is provided with a first limiting groove, the second limiting portion is close to one side surface of the first limiting portion and is provided with a second limiting groove, the first diversion piece is contained in the first limiting groove, and the second diversion piece is contained in the second limiting groove.
In order to achieve the above object, the present application provides a slurry stirring machine, which is characterized in that the slurry stirring machine comprises the spraying device according to any one of the above embodiments, a positioning buckle is arranged on the inner wall of the slurry stirring machine, one side of the casing close to the liquid inlet is provided with a rotary positioning part, and the positioning buckle is connected with the rotary positioning part.
In the technical scheme provided by the application, the spraying device is applied to a slurry mixer, the mixer comprises a mixing shaft and a mixing blade, the spraying device comprises a nozzle and a spraying pump, the nozzle comprises a flow guide part, the flow guide part comprises a first flow guide part and a second flow guide part, the first flow guide part and the second flow guide part are parallel to each other and arranged at intervals, a first gap formed by the first flow guide part and the second flow guide part is communicated with the spraying pump, when the spraying device works, the spraying pump conveys a bonding agent to the nozzle and sprays out along a straight line shape from the first gap, as the first gap is vertical to the axial direction of the mixing shaft, the bonding agent sprayed along the straight line shape is vertical to the axial direction of the mixing shaft, when the bonding agent is sprayed to the slurry, the bonding agent is stirred and moved to one side under the mixing action of the mixing blade, because the spun binder is a style of calligraphy when spraying and disperses the distribution, compares in prior art, and spun binder atomization effect is good, spray set can make the binder add more evenly under the stirring effect, improves the stability of lithium battery thick liquids.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a nozzle according to the present invention;
FIG. 2 is another schematic view of the nozzle of the present invention;
FIG. 3 is a front view of the nozzle of the present invention;
fig. 4 is a bottom view of the nozzle of the present invention;
FIG. 5 is a cross-sectional view of the nozzle of FIG. 1 taken along line A-A;
FIG. 6 is a cross-sectional view of the anchor block taken along line A-A of FIG. 1;
FIG. 7 is a cross-sectional view of the baffle member of FIG. 1 taken along line A-A;
fig. 8 is a schematic structural view of the slurry mixer of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Nozzle with a |
22 | Second |
| 10 | |
221 | |
| 11 | |
30 | Fixed |
| 12 | |
31 | Connecting |
| 13 | |
311 | |
| 14 | |
312 | |
| 141 | First rotation |
32 | Limiting |
| 142 | Second rotation aid | 321 | A |
| 15 | The |
322 | |
| 20 | |
323 | |
| 21 | First |
324 | |
| 211 | |
200 | Spray pump |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a spray set and have its spray set's thick liquids mixer.
Referring to fig. 1 to 8, the spraying device is applied to a slurry mixer, the slurry mixer includes a stirring device, and the stirring device includes a stirring shaft (not shown) and a plurality of stirring blades (not shown) disposed around the stirring shaft;
the spraying device comprises a nozzle 100 and a spraying pump 200, the nozzle 100 comprises a shell 10 and a flow guide part 20, the shell 10 forms a first accommodating cavity and is provided with a liquid inlet 11 and a liquid outlet 12, the liquid inlet 11 and the liquid outlet 12 are arranged oppositely, and the aperture of the liquid outlet 12 is smaller than that of the liquid inlet 11; the spray pump 200 is communicated with the liquid inlet 11;
the flow guide part 20 penetrates through the liquid outlet 12, the flow guide part 20 comprises a first flow guide part 21 and a second flow guide part 22, and the first flow guide part 21 and the second flow guide part 22 are parallel to each other and arranged at intervals and penetrate through the liquid outlet 12; a first gap (not shown) is formed between the first flow guide part 21 and the second flow guide part 22, and the extending direction of the first gap is perpendicular to the axial direction of the stirring shaft;
when the nozzle 100 is in operation, the liquid entering the nozzle 100 from the liquid inlet 11 is sprayed out of the nozzle 100 from the first gap.
In the technical scheme provided by the application, the spraying device is applied to a slurry stirring machine, the stirring machine comprises a stirring shaft and a stirring blade, the spraying device comprises a nozzle 100 and a spraying pump 200, the nozzle 100 comprises a flow guide part 20, the flow guide part 20 comprises a first flow guide part 21 and a second flow guide part 22, the first flow guide part 21 and the second flow guide part 22 are parallel to each other and arranged at intervals, a first gap formed by the first flow guide part 21 and the second flow guide part 22 is communicated with the spraying pump 200, when the spraying device works, the spraying pump 200 conveys a binder to the nozzle 100 and sprays out from the first gap along a straight line shape, because the first gap is vertical to the axial direction of the stirring shaft, the binder sprayed along the straight line shape is vertical to the axial direction of the stirring shaft, and when the binder is sprayed to the slurry, the binder stirs and removes to one side under the stirring effect of stirring leaf, and owing to the spun binder is a style of calligraphy when spraying and disperses the distribution, compares with prior art, and spun binder atomization effect is good, spray set can make the binder add more evenly under the stirring effect, improves lithium battery slurry's stability.
In a specific embodiment, the binder is Polytetrafluoroethylene (PTFE) emulsion, the operating pressure range of the nozzle 100 is 20-60 Pounds force Per Square Inch (PSI), when the PTFE emulsion is added through the nozzle 100, the frequency of a slurry stirrer can be matched, the PTFE emulsion sprayed by the nozzle 100 can be sprayed into the lithium-ion battery slurry to be added in a linear manner from the first gap through the first flow guide part 21 and the second flow guide part 22 which are parallel to each other, and the PTFE emulsion can be intermittently sprayed and moved along the stirring direction under the stirring action of the stirring shaft and the stirring blades, so that the purpose of uniformly mixing solid and liquid additives is achieved, and the process equipment is integrated, so that the process is simplified and the operation is convenient.
In some alternative embodiments, the side of the housing 10 close to the liquid inlet 11 is provided with a rotation positioning portion 13, and the rotation positioning portion 13 is connected with the inner wall of the slurry mixer in a sealing manner. In a specific embodiment, the rotation positioning portion 13 is used for connecting the nozzle 100 with the slurry mixer, specifically, the nozzle 100 is arranged on the inner wall of the slurry mixer, and the nozzle 100 is fixed on the inner wall of the slurry mixer by a snap connection.
In a preferred embodiment, the rotation positioning portion 13 is a positioning groove formed on a surface of one side of the casing 10 close to the liquid inlet 11, and a positioning buckle is formed on an inner wall of the slurry stirring machine and is connected with the positioning groove in a buckling manner.
In some alternative embodiments, a rotation auxiliary member 14 is disposed along an outer side of a sidewall of the housing 10 on a side of the housing 10 close to the liquid outlet 12, and the rotation auxiliary member 14 includes a first rotation auxiliary member 141 and a second rotation auxiliary member 142, and the first rotation auxiliary member 141 and the second rotation auxiliary member 142 are symmetrically disposed around the liquid outlet 12. In a specific embodiment, the first rotation auxiliary member 141 and the second rotation auxiliary member 142 are protrusions protruding outward from the casing 10 near the liquid outlet 12, preferably, the protrusions are plate-shaped structures, so that when a user mounts the nozzle 100 on the inner wall of the slurry mixer, the rotation positioning portion 13 needs to be connected with the inner wall of the slurry mixer in a rotating manner, and the first rotation auxiliary member 141 and the second rotation auxiliary member 142 enable the user to fix the nozzle 100 without using other tools, thereby improving the convenience of mounting the nozzle 100.
In some optional embodiments, the nozzle 100 further includes a fixing seat 30, and the fixing seat 30 is accommodated in the first accommodating cavity and is sleeved on the first flow guiding member 21 and the second flow guiding member 22. In a specific embodiment, the fixing seat 30 is detachably connected to the housing 10, and the fixing seat 30 is used for fixing the relative positions of the housing 10, the first air guiding member 21 and the second air guiding member 22.
Specifically, the fixing base 30 includes a connecting portion 31 and a limiting portion 32, the connecting portion 31 is accommodated in the first accommodating cavity, and is parallel to the plane where the liquid outlet 12 is located, the connecting portion 31 is fixedly connected to the limiting portion 32, the limiting portion 32 is located the limiting portion 32 is away from one side of the liquid inlet 11 and penetrates through the liquid outlet 12, and the outer diameter of the limiting portion 32 is smaller than the outer diameter of the connecting portion 31. In a specific embodiment, the central perpendicular line of the connecting portion 31 and the central perpendicular line of the limiting portion 32 are collinear, the limiting portion 32 runs through the liquid outlet 12, the connecting portion 31 is accommodated in the first accommodating cavity, the connecting portion 31 is abutted against the inner wall of the housing 10, so that the limiting portion 32 is prevented from being separated from the housing 10 under the action of the spraying pressure.
In some optional embodiments, a first groove 15 is formed in an inner side wall of the housing 10 close to the liquid outlet 12, a first boss 311 is formed on a side surface of the connecting portion 31 close to the limiting portion 32, and the first boss 311 is accommodated in the first groove 15 and abuts against the first groove 15. Specifically, the bottom wall of the first groove 15 abuts against the first boss 311, preferably, the outer diameter of the end of the connecting portion 31 away from the liquid outlet 12 is larger than the aperture of the first groove 15, when the nozzle 100 works, the first boss 311 abuts against the first groove 15, the end of the connecting portion 31 away from the kitchen is abutted against the inner wall of the housing 10, and therefore the fixing seat 30 is prevented from falling off from the housing 10.
In some optional embodiments, a second groove 312 is formed on an inner surface of the connecting portion 31 close to the liquid inlet, a second boss 211 is disposed on an outer sidewall of the first flow guiding member, a third boss 221 is disposed on an outer sidewall of the second flow guiding member, specifically, the second boss 211 abuts against a side surface of the second groove 312 far away from the liquid inlet, and the third boss 221 abuts against a side surface of the second groove 312 far away from the liquid inlet 11, so as to ensure that the first flow guiding member 21 and the second flow guiding member 22 are fixed relative to the fixing base 30.
In some optional embodiments, the limiting portion 32 includes a first limiting portion 321 and a second limiting portion 322, the first limiting portion 321 and the second limiting portion 322 are parallel and spaced apart, specifically, a first limiting groove 323 is disposed on a side surface of the first limiting portion 321 close to the second limiting portion 322, a second limiting groove 324 is disposed on a side surface of the second limiting portion 322 close to the first limiting portion 32, the first flow guiding element 21 is accommodated in the first limiting groove 323, and the second flow guiding element 22 is accommodated in the second limiting groove 324. When the nozzle 100 is operated, the adhesive is sprayed out from the first gap, so that the first flow guide member 21 and the second flow guide member 22 move in a direction away from the liquid inlet 11, and the first flow guide member 21 and the second flow guide member 22 are kept relatively fixed with the housing 10 through the first limiting groove 323 and the second limiting groove 324.
The utility model discloses still provide a thick liquids mixer, thick liquids mixer includes such as above-mentioned arbitrary embodiment spray set, the concrete structure of this spray set system refers to above-mentioned embodiment, because this spray set has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, no longer gives unnecessary details one by one here. In a preferred embodiment, the slurry mixer is a lithium battery slurry mixer.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A spraying device is characterized by being applied to a slurry stirring machine, wherein the slurry stirring machine comprises a stirring device, and the stirring device comprises a stirring shaft and a plurality of stirring blades arranged around the stirring shaft;
the spraying device comprises a nozzle and a spraying pump, the nozzle comprises a shell and a flow guide piece, the shell forms a first accommodating cavity and is provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are arranged oppositely, and the aperture of the liquid outlet is smaller than that of the liquid inlet; the spraying pump is communicated with the liquid inlet;
the flow guide piece penetrates through the liquid outlet and comprises a first flow guide piece and a second flow guide piece, and the first flow guide piece and the second flow guide piece are parallel to each other and arranged at intervals and penetrate through the liquid outlet; a first gap is formed between the first flow guide part and the second flow guide part, and the extending direction of the first gap is vertical to the axial direction of the stirring shaft;
when the nozzle works, the liquid entering the nozzle from the liquid inlet is sprayed out of the nozzle from the first gap.
2. The spraying device of claim 1, wherein a rotary positioning part is arranged on one side of the shell close to the liquid inlet, and the rotary positioning part is connected with the inner wall of the slurry mixer in a sealing manner.
3. The spraying device of claim 2, wherein the rotary positioning part is a positioning groove formed on the surface of one side of the casing close to the liquid inlet, and a positioning buckle is formed on the inner wall of the slurry mixer and connected with the positioning groove in a buckling manner.
4. The spraying device as claimed in claim 1, wherein a rotation auxiliary member is provided along an outer side of a sidewall of the housing on a side of the housing close to the liquid outlet, the rotation auxiliary member includes a first rotation auxiliary member and a second rotation auxiliary member, and the first rotation auxiliary member and the second rotation auxiliary member are symmetrically provided with respect to the liquid outlet.
5. The spraying device of claim 1, wherein the nozzle further comprises a fixing seat, and the fixing seat is accommodated in the first accommodating cavity and sleeved with the first flow guide piece and the second flow guide piece.
6. The spraying device of claim 5, wherein the fixing base comprises a connecting portion and a limiting portion, the connecting portion is accommodated in the first accommodating cavity and is parallel to a plane where the liquid outlet is located, the connecting portion is fixedly connected with the limiting portion, and the limiting portion is arranged on one side of the connecting portion, which is far away from the liquid inlet, and penetrates through the liquid outlet.
7. The spraying device as claimed in claim 6, wherein a first recess is formed in an inner side wall of the housing near the liquid outlet, a first boss is formed on a side surface of the connecting portion near the limiting portion, and the first boss is received in the first recess and abuts against the first recess.
8. The spraying device according to any one of claims 6 or 7, wherein a second groove is formed in an inner surface of the connecting portion on a side close to the liquid inlet, a second boss is formed on an outer side wall of the first flow guide member, a third boss is formed on an outer side wall of the second flow guide member, the second boss abuts against a side surface of the second groove far away from the liquid inlet, and the third boss abuts against a side surface of the second groove far away from the liquid inlet.
9. The spraying device of claim 6, wherein the limiting portion comprises a first limiting portion and a second limiting portion, the first limiting portion and the second limiting portion are parallel and spaced apart, a first limiting groove is formed in a side surface of the first limiting portion close to the second limiting portion, a second limiting groove is formed in a side surface of the second limiting portion close to the first limiting portion, the first flow guide member is received in the first limiting groove, and the second flow guide member is received in the second limiting groove.
10. A slurry mixer is characterized by comprising the spraying device as claimed in any one of claims 1 and 4-9, wherein a positioning buckle is arranged on the inner wall of the slurry mixer, a rotary positioning part is arranged on one side, close to the liquid inlet, of the shell, and the positioning buckle is connected with the rotary positioning part in a buckling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920622149.1U CN209968159U (en) | 2019-04-30 | 2019-04-30 | Spraying device and slurry mixer with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920622149.1U CN209968159U (en) | 2019-04-30 | 2019-04-30 | Spraying device and slurry mixer with same |
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| Publication Number | Publication Date |
|---|---|
| CN209968159U true CN209968159U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920622149.1U Active CN209968159U (en) | 2019-04-30 | 2019-04-30 | Spraying device and slurry mixer with same |
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| CN (1) | CN209968159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116479675A (en) * | 2023-05-16 | 2023-07-25 | 湖南双环纤维成型设备有限公司 | Wet forming equipment for short carbon fiber hard felt |
-
2019
- 2019-04-30 CN CN201920622149.1U patent/CN209968159U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116479675A (en) * | 2023-05-16 | 2023-07-25 | 湖南双环纤维成型设备有限公司 | Wet forming equipment for short carbon fiber hard felt |
| CN116479675B (en) * | 2023-05-16 | 2024-05-28 | 湖南双环纤维成型设备有限公司 | Wet forming equipment for short carbon fiber hard felt |
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