CN210875154U

CN210875154U - Mixer

Info

Publication number: CN210875154U
Application number: CN201921576550.2U
Authority: CN
Inventors: 温涛; 元东范; 赵莉; 蔡学军; 陈海涛
Original assignee: Beijing Naura New Energy Lithium Battery Equipment Technology Co ltd
Current assignee: Beijing Naura New Energy Lithium Battery Equipment Technology Co ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-30
Anticipated expiration: 2029-09-20

Abstract

The utility model relates to a lithium battery slurry stirring technical field provides a mixer, stir mechanism and ball-milling mechanism including storing up, store up the bottom that stirs the mechanism pass through the passage with the bottom intercommunication of ball-milling mechanism, the passage is provided with the guide pump, the back flow is passed through on the top of ball-milling mechanism with the top intercommunication that the mechanism was stirred in the storage. According to the utility model discloses mixer effectively improves the homogeneity of stirring dispersion to battery thick liquids and the efficiency of battery thick liquids preparation.

Description

Mixer

Technical Field

The utility model relates to a lithium cell thick liquids stirring technical field especially relates to a mixer.

Background

A lithium battery vacuum stirrer is equipment for stirring battery slurry according to the process requirements of a lithium ion battery. And adding the powder and the liquid through the corresponding feeding systems through the feeding holes of the stirrer, starting low-speed stirring and high-speed dispersion according to the process requirements, setting corresponding speed and time, and finally completing the mixing and dispersion of the battery slurry to form the finished product slurry.

With the development of power battery technology, the demand of slurry is rapidly increased, and higher requirements are put forward on the efficiency of slurry preparation. When a large-volume stirring machine is used for preparing slurry, compared with a small-volume stirring barrel, the frequency of dispersing slurry particles is reduced in the same time, so that all the slurry particles are uniformly dispersed to meet the slurry quality required by the process, a longer time is needed, and the production efficiency of slurry preparation is influenced; and the situation of uneven dispersion of the battery slurry still occurs; meanwhile, under long-time operation, the dispersion disc is seriously abraded, so that the content of iron in the slurry exceeds the standard, and the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a mixer effectively improves the homogeneity of stirring dispersion to battery thick liquids and the efficiency of battery thick liquids preparation.

According to the utility model discloses mixer, stir mechanism and ball-milling mechanism including storing up, store up stir the bottom of mechanism pass through the passage with ball-milling mechanism's bottom intercommunication, the passage is provided with the guide pump, the back flow is passed through on ball-milling mechanism's top with store up the top intercommunication that stirs the mechanism.

According to the utility model discloses a mixer, provide power through the guide pump on the passage, the battery thick liquids that will store up in stirring the mechanism are derived by the bottom that stores up the mechanism that stirs, it is leading-in by the bottom of ball-milling mechanism, guarantee to store up and stir and carry out the ball-milling dispersion in can all leading-in ball-milling mechanism of battery thick liquids in the mechanism, the battery thick liquids after the rethread back flow disperses the ball-milling are by the top of ball-milling mechanism through the top backward flow that stores up the mechanism that stirs, guarantee the battery thick liquids that get into ball-milling mechanism can all ball-milling dispersions, guarantee the homogeneity of battery thick liquids ball-milling dispersion, the preparation efficiency of battery thick liquids.

According to the utility model discloses an embodiment, the passage is close to the tip that the mechanism was stirred in storage is equipped with the valve for the circulation of battery thick liquids in the regulation and control passage.

According to the utility model discloses an embodiment, the passage is close to the tip of ball-milling mechanism is equipped with manual valve.

According to the utility model discloses an embodiment is located the guide pump with between the manual valve be equipped with pneumatic ball valve on the passage, the break-make of guide pump and pneumatic ball valve cooperation control passage.

According to the utility model discloses an embodiment, it includes agitator motor and storage vat to store up the mechanism that stirs, the mixer still includes the frame, agitator motor installs one side of frame, agitator motor's output is connected with the (mixing) shaft, agitator shaft downwardly extending extends to in the storage vat.

According to an embodiment of the present invention, the lower end of the stirring shaft is provided with a dispersion disc.

According to the utility model discloses an embodiment, ball-milling mechanism includes the ball-milling bucket, the bottom of ball-milling bucket is passed through the passage with the bottom intercommunication of storage vat, the top of ball-milling bucket is passed through the back flow with the top intercommunication of storage vat.

According to an embodiment of the utility model, be equipped with the rinding body in the ball-milling bucket.

According to the utility model discloses an embodiment, ball-milling bucket upside is equipped with the ball-milling motor, the output of ball-milling motor with the ball-milling bucket is connected to it is rotatory to drive ball-milling bucket and rinding body.

According to the utility model discloses an embodiment, the bottom side of storage vat is equipped with the removal wheel, conveniently transports the battery thick liquids that the preparation was accomplished to next station.

The embodiment of the utility model provides an above-mentioned technical scheme has following technological effect: the guide pump on the passage provides power, the battery slurry that will store up in stirring the mechanism is derived by the bottom that stores up the mechanism of stirring, it is leading-in by the bottom of ball-milling mechanism, guarantee to store up and stir and carry out the ball-milling dispersion in the battery slurry in the mechanism can all leading-in ball-milling mechanism, the rethread back flow is with the battery slurry after the ball-milling dispersion by the top of ball-milling mechanism through the top backward flow that stores up the mechanism of stirring, the battery slurry that guarantees to get into ball-milling mechanism can all ball-milling dispersions, guarantee the homogeneity of battery slurry ball-milling dispersion, the preparation efficiency of battery slurry is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a frame, a stirring storage mechanism and a ball milling mechanism provided in an embodiment of the stirring machine of the present invention;

FIG. 2 is an assembly diagram of the frame, the stirring storage mechanism and the ball milling mechanism provided by the embodiment of the stirring machine of the present invention;

fig. 3 is a schematic view of the connection between the storage stirring mechanism and the ball milling mechanism provided by the embodiment of the stirring machine of the present invention.

Reference numerals:

1: a frame; 2: a storage and stirring mechanism; 3: a ball milling mechanism; 4: a material guide pipe; 5: a return pipe; 6: a material guide pump; 7: a valve; 8: a stirring motor; 9: a storage barrel; 10: a stirring shaft; 11: a dispersion tray; 12: a lifting platform; 13: a ball milling motor; 14: a moving wheel; 15: a pneumatic ball valve; 16: a cover body; 17: a ball milling barrel; 18: and (4) a manual valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, unless otherwise specified, "plurality", and "plural" mean two or more, and "several", and "several groups" mean one or more.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1 to 3, the embodiment of the utility model provides a stirrer, including storing up and stirring mechanism 2 and ball-milling mechanism 3, store up and stir the bottom of mechanism 2 and pass through the bottom intercommunication of passage 4 with ball-milling mechanism 3, guarantee to store up and stir the battery thick liquids in the mechanism 2 and can all lead to in ball-milling mechanism 3 and carry out the ball-milling dispersion. The material guide pipe 4 is provided with a material guide pump 6 for providing power for guiding the battery slurry into the ball milling mechanism 3 from the storage and stirring mechanism 2, and ensuring that the battery slurry in the storage and stirring mechanism 2 is completely guided out. The top end of the ball milling mechanism 3 is communicated with the top end of the storage and stirring mechanism 2 through a return pipe 5, so that the battery slurry entering the ball milling mechanism 3 can be completely ball-milled and dispersed and then flows back to the storage and stirring mechanism 2, and the battery slurry meeting the quality standard requirement is completed. It can be understood that, through adding ball-milling mechanism 3 in the outside that stores up and stir mechanism 2, the bottom that mechanism 2 was stirred in the storage of passage 4 intercommunication and the bottom of ball-milling mechanism 3, provide power for battery thick liquids flow through guide pump 6, the top that mechanism 2 was stirred in the storage of back flow 5 intercommunication and the top of ball-milling mechanism 3 realize the circulation of battery thick liquids, ball-milling mechanism 3 has improved the dispersion rate and the dispersion of battery thick liquids and has refined efficiency, simultaneously, guarantee the preparation quality of battery thick liquids.

The utility model discloses an in the embodiment, guide pump 6 is pneumatic diaphragm pump, is applicable to the higher battery thick liquids of viscosity, can not produce the pollution to battery thick liquids simultaneously, guarantees the quality of battery thick liquids.

In an embodiment of the present invention, the end of the material guiding pipe 4 close to the storage and stirring mechanism 2 is provided with a valve 7 for regulating and controlling the circulation of the battery slurry in the material guiding pipe 4. Preferably, the valve 7 is a manual ball valve for manually controlling the on-off of the battery slurry in the storage and stirring mechanism 2 into the material guide pipe 4.

The utility model discloses an in the embodiment, the tip that passage 4 is close to ball-milling mechanism 3 is equipped with manual valve 18, makes things convenient for the break-make of artificial control passage 4, and the convenience is maintained the mixer wholly. A pneumatic ball valve 15 is arranged on the material guide pipe 4 between the manual valve 18 and the material guide pump 6, the pneumatic ball valve 15 is matched with the material guide pump 6, the material guide pump 6 works, the pneumatic ball valve 15 is automatically opened, and the material guide pipe 4 conveys battery slurry; the guide pump 6 stops working, the pneumatic ball valve 15 is automatically closed, and the guide pipe 4 is blocked from conveying the battery slurry.

In an embodiment of the present invention, the material guiding pipe 4 and the return pipe 5 are chemical hoses, which effectively prevent the battery slurry from being polluted by the reaction with the battery slurry. As will be appreciated, the organic solvent is contained within the battery paste, and the chemical hoses can effectively prevent the battery paste from being contaminated by reaction with such organic solvent. Meanwhile, the chemical hose has flexibility and can deform and move according to the actual process requirement.

In an embodiment of the present invention, referring to fig. 2, the mixer further includes a frame 1, and the storage and stirring mechanism 2 and the ball milling mechanism 3 are both disposed on the frame 1, and understandably, the frame 1 is used for stably supporting the storage and stirring mechanism 2 and the ball milling mechanism 3. Storage and stirring mechanism 2 includes agitator motor 8 and storage vat 9, and agitator motor 8 installs in the left side of frame 1 for stirring battery thick liquids provides output power, and storage vat 9 sets up the bottom side in frame 1, is used for storing battery thick liquids, and provides the container for stirring battery thick liquids.

Further, the output end of the stirring motor 8 is connected with a stirring shaft 10, the stirring shaft 10 extends downwards to the storage vat 9, and the lower end of the stirring shaft 10 is provided with a dispersion disc 11, so that the stirring and the preliminary dispersion of the battery slurry are refined.

Illustratively, a cover 16 is disposed on the upper side of the storage vat 9, the cover 16 is fixed on the top side of the frame 1, the upper end of the stirring shaft 10 is inserted into the cover 16, and the lower end of the stirring shaft 10 extends downward into the storage vat 9. It can be understood that the output end of the stirring motor 8 is connected with the gear at the upper end of the stirring shaft 10 through a chain, so that the stirring shaft 10 is driven by the stirring motor 8. In this embodiment, agitator motor 8's output is connected with two (mixing) shafts 10, and agitator motor 8 drive (mixing) shaft 10 is rotatory, and the lower extreme of (mixing) shaft 10 is equipped with dispersion impeller 11, realizes fining the preliminary dispersion of the stirring of battery thick liquids and the large-scale granule in the battery thick liquids.

It will be appreciated that the cover 16 is provided with a powder inlet, a liquid inlet and a return port connected to the return pipe 5.

Further, referring to fig. 3, the ball milling mechanism 3 includes a ball milling barrel 17, a bottom end of the ball milling barrel 17 is communicated with a bottom end of the storage barrel 9 through a material guiding pipe 4, and a top end of the ball milling barrel 17 is communicated with a top end of the storage barrel 9 through a return pipe 5. It is worth explaining that, be equipped with the rinding body in the ball-milling bucket 17, the upside of ball-milling bucket 17 is equipped with ball-milling motor 13, and ball-milling motor 13's output is connected with ball-milling bucket 17 for drive ball-milling bucket 17 is rotatory, drives the rinding body motion simultaneously, makes between the rinding body and the rinding body collide with the inner wall of ball-milling bucket 17, and then realizes the ball-milling effect to battery thick liquids.

As can be understood, the bottom end of the storage vat 9 is provided with a discharge port, one end of the material guiding pipe 4 is connected with the discharge port, and the valve 7 is used for controlling the opening and closing of the communication between the storage vat 9 and the material guiding pipe 4; the bottom of ball-milling bucket 17 is equipped with the feed inlet, and the other end and the feed inlet of passage 4 are connected to through the opening and closing of manual valve 18 control intercommunication between passage 4 and the ball-milling bucket 17, and then realized storage vat 9 and ball-milling bucket 17's guide intercommunication. The top of ball-milling bucket 17 is equipped with the discharge gate, and the one end and the discharge gate of back flow pipe 5 are connected, and the other end is connected with the backward flow mouth on the lid 16, and then has realized the backward flow circulation of battery thick liquids.

The utility model discloses an in one embodiment, frame 1 is equipped with the elevating platform 12 that is used for adjusting storage vat 9 and goes up and down, and the double-phase opposite side of elevating platform 12 is connected with lift cylinder respectively, through the synchronous lift of controlling two lift cylinders, realizes the lift adjustment to elevating platform 12. It can be understood that the lifting cylinder is controlled to ascend to enable the lifting platform 12 to ascend, so that the storage barrel 9 is hermetically buckled with the cover 16, and after the battery slurry is stirred and ball-milled, the lifting cylinder is controlled to descend to enable the lifting platform 12 to descend, so that the storage barrel 9 is separated from the cover 16.

In one embodiment of the present invention, the bottom side of the storage vat 9 is provided with a moving wheel 14, which facilitates transporting the prepared battery slurry to the next station.

The embodiment of the utility model provides a concrete process flow of mixer is as follows:

controlling the lifting oil cylinder to rise to drive the lifting platform 12 to rise, so that the storage barrel 9 is hermetically buckled with the cover body 16, and respectively adding powder and liquid through a powder inlet and a liquid inlet on the cover body 16;

starting a stirring motor 8, driving a stirring shaft 10 and simultaneously driving a dispersion disc 11 to rotate, so as to realize preliminary dispersion and refinement of large particles in the battery slurry;

opening a valve 7, a material guide pump 6 and a manual valve 18 on the flow guide pipe 4 to guide the battery slurry into the ball milling barrel 17, wherein the material guide pump 6 works, and the pneumatic ball valve 15 is automatically opened;

the ball milling motor 13 on the upper side of the ball milling barrel 17 is started to drive the ball milling barrel 17 and the grinding body to rotate, secondary dispersion refinement of the battery slurry is realized, the battery slurry after secondary dispersion refinement flows back to the storage barrel 9 through the return pipe 5, and the dispersion refinement is continuously performed in a circulating manner;

and after the set process time is reached, closing the valve 7 to ensure that the battery slurry in the ball milling barrel 7 completely flows back to the storage barrel 9, closing the material guide pump 6, the ball milling motor 13 and the stirring motor 8, controlling the lifting oil cylinder to descend to separate the storage barrel 9 from the cover body 16, and then pushing the storage barrel 9 and the prepared battery slurry to the next station to complete the primary stirring preparation of the battery slurry.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A blender, comprising:

store up and stir mechanism and ball-milling mechanism, store up the bottom of stirring the mechanism pass through the passage with the bottom intercommunication of ball-milling mechanism, the passage is provided with the guide pump, the top of ball-milling mechanism pass through the back flow with store up the top intercommunication of stirring the mechanism.

2. A mixer according to claim 1, wherein the end of the conduit adjacent the storage and stirring means is provided with a valve.

3. A mixer according to claim 1, wherein the end of the conduit near the ball milling mechanism is provided with a manual valve.

4. A mixer according to claim 3, wherein a pneumatic ball valve is provided on said conduit between said pump and said manual valve.

5. The stirring machine as claimed in claim 1, wherein the stirring mechanism comprises a stirring motor and a storage barrel, the stirring machine further comprises a frame, the stirring motor is mounted on one side of the frame, a stirring shaft is connected to an output end of the stirring motor, and the stirring shaft extends downwards into the storage barrel.

6. A mixer according to claim 5, wherein the lower end of the mixer shaft is provided with a dispersion disc.

7. The mixer of claim 6 wherein the ball milling mechanism includes a ball mill vat, the bottom end of the ball mill vat is communicated with the bottom end of the storage vat through the material guide pipe, and the top end of the ball mill vat is communicated with the top end of the storage vat through the return pipe.

8. A mixer according to claim 7, wherein the milling bowl is provided with milling bodies.

9. A mixer according to claim 8, wherein the ball milling barrel is provided with a ball milling motor at an upper side thereof, and an output end of the ball milling motor is connected with the ball milling barrel to drive the ball milling barrel and the grinding bodies to rotate.

10. A mixer according to claim 5, wherein the storage vessel is provided with moving wheels on the underside thereof.