CN218637264U - Anti-sticking device for stirring negative electrode slurry - Google Patents

Abstract

The utility model provides an anti-sticking device for stirring negative electrode slurry, which relates to the technical field of negative electrode slurry, and includes a stirring motor. A stirring assembly is installed in the middle of the fixed rod, and an anti-sticking assembly is connected to both sides of the mounting plate; the anti-sticking assembly includes a side bar, a scraper and a bottom plate knife, and side bars are connected to both sides of the mounting plate , and the inner cavity of the side bar is equipped with a scraper, the bottom of the side bar is installed on both sides with a floor knife; the bottom of the fixed bar is installed with an installation component, and an anti-sticking component is installed through both sides of the installation plate , to effectively prevent the inner wall of the mixing tank from sticking, scrape the inner wall of the mixing tank through the scraper in the inner cavity of the side rod, and closely fit the scraper and the mixing tank, and use the scraper to clean the inner wall of the mixing tank The negative electrode slurry is scraped off to effectively prevent the mixing tank from sticking.

Description

Anti-sticking device for stirring negative electrode slurry

technical field

The utility model relates to the technical field of negative electrode slurry, in particular to an anti-sticking device for stirring negative electrode slurry.

Background technique

The negative pole refers to the end of the power supply with a lower potential (potential). In a primary battery, it refers to the electrode that oxidizes, and it is written on the left in the battery reaction. From a physical point of view, it is a pole from which electrons flow out of the circuit. The negative electrode material refers to the raw material that constitutes the negative electrode in the battery. At present, the common negative electrode materials include carbon negative electrode materials, tin-based negative electrode materials, lithium-containing transition metal nitride negative electrode materials, alloy negative electrode materials and nanoscale negative electrode materials.

Existing anode slurry stirring device;

Reference document 202022436591.0 discloses a lithium battery negative electrode slurry stirring device. At present, the domestic lithium ion battery negative electrode slurry preparation process is to add each material to the mixing tank one by one, and then stir. However, in the process of stirring In the process, powdery materials such as graphite powder are easily adhered to the inner wall of the mixing tank after being mixed with glue, and need to be removed manually at regular intervals, which greatly affects production efficiency. Affect the ratio of the components of the negative electrode slurry, which will affect the performance of the lithium battery. In the utility model, the front end of the first elastic sheet on the first stirring sheet abuts against the side wall of the mixing tank, and makes the first elastic sheet Elastic deformation occurs, so the first elastic will press its front end on the side wall of the mixing tank through its own elastic deformation, and the rear end of the second elastic sheet on the second stirring piece is against the side wall of the mixing tank, and The second elastic sheet is elastically deformed, so the second elastic will press its rear end against the side wall of the mixing tank through its own elastic deformation, so when the first elastic sheet and the second elastic sheet follow the first stirring sheet When rotating with the second stirring plate, the front end and the rear end of the first elastic plate and the second elastic plate will play the role of eradicating the adherents on the side wall of the mixing tank. 4CN 213761430 U4 plate on page 5 simultaneously shovels off the adherents on the side wall of the mixing tank, so that the adherents can be stirred again, so as to effectively ensure that the composition ratio of the negative electrode slurry remains unchanged and improve production efficiency.

In the existing negative electrode slurry stirring device, when the negative electrode slurry is stirred by the stirring tool holder, the negative electrode slurry is easily adhered to the mixing barrel and is difficult to remove, thus causing a waste of resources.

Utility model content

The purpose of the utility model is to provide an anti-sticking device for stirring negative electrode slurry in order to solve the shortcomings in the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: an anti-sticking device for stirring negative electrode slurry, including a stirring motor, the lower end of the stirring motor is connected with a mounting plate, and the bottom end of the mounting plate is connected with a fixing rod , a stirring component is installed in the middle of the fixed rod, and anti-sticking components are connected to both sides of the mounting plate;

The anti-sticking assembly includes a side bar, a scraper and a bottom plate knife, side bars are connected to both sides of the mounting plate, and a scraper is placed in the inner cavity of the side bar, and two sides of the bottom end of the side bar are installed Floor knife;

An installation component is installed at the bottom end of the fixed rod.

As a preferred implementation, the side bar and the scraper are in close contact.

The technical effect of adopting the above further solution is: the anti-sticking components are installed on both sides of the mounting plate, effectively preventing the inner wall of the mixing tank from sticking.

As a preferred implementation manner, the floor knives are distributed symmetrically with respect to the center of the side bar.

The technical effect of adopting the above further scheme is: scrape the inner wall of the mixing tank through the scraper in the inner cavity of the side rod, and make the scraper and the mixing tank closely fit, and the negative electrode slurry on the inner wall of the mixing tank can be scraped by the scraper. , for scraping to effectively prevent the adhering of the mixing tank. The bottom end of the side rod is provided with a bottom plate knife, which can be scraped through the side of the mixing tank to prevent the anode slurry from adhering.

As a preferred embodiment, the mixing assembly includes a knife holder, a side row knife and a fixing screw, a knife holder is installed in the middle of the fixed rod, and a side row knife is provided at the inner end of the knife holder, and the knife holder The middle part is pierced with fixing screws.

The technical effect of adopting the above further scheme is: by turning on the stirring motor, the fixed rod and the stirring assembly are driven to rotate circularly, and the knife holder is driven to rotate circularly by the stirring motor, so that the knife holder can stir and mix the negative electrode slurry inside the mixing tank , the combined use of the side row of knives on the knife holder greatly improves the strength and speed of stirring.

As a preferred embodiment, the knife holder forms a fixed structure with the side row of knives through fixing screws, and the knife holder and the side row of knives are fixedly connected.

The technical effect of adopting the above further scheme is: the user can install the number of knife holders according to their own needs, fit the knife holders on the fixed rod, and lock the knife holders on the fixed rod through the fixing screws for positioning and installation .

As a preferred embodiment, the installation assembly includes a mounting frame, a connecting seat and a threaded pipe, the bottom end of the fixed rod is equipped with a mounting frame, and the middle part of the mounting frame is equipped with a connecting seat, and the upper end of the mounting frame Connected with threaded pipe.

The technical effect of adopting the above further solution is: the installation assembly is installed at the bottom of the fixing rod, and the bottom of the mixing tank can be scraped off in a large area through the installation assembly to prevent the bottom from sticking.

As a preferred embodiment, the threaded pipe and the connecting seat are connected by welding, and the mounting brackets are distributed in a ring with respect to the connecting seat.

The technical effect of adopting the above-mentioned further solution is: the bottom of the mixing tank is rotated and scraped through the mounting bracket on the inner wall of the connecting seat, and the user only needs to install the threaded pipe thread of the connecting seat on the bottom end of the fixing rod for installation.

Compared with the prior art, the utility model has the advantages and positive effects that:

Anti-sticking components are installed on both sides of the mounting plate to effectively prevent the inner wall of the mixing tank from sticking. The scraper in the inner cavity of the side rod is used to scrape the inner wall of the mixing tank, and the scraper and the mixing tank are separated. Closely fit, scrape off the negative electrode slurry on the inner wall of the mixing tank through the scraper, effectively prevent the bonding of the mixing tank, the bottom of the side rod is equipped with a bottom plate knife, which can pass through the side of the mixing tank Scrape off to prevent the negative electrode slurry from sticking.

Description of drawings

Fig. 1 is the structural representation of the anti-sticking device of the present utility model;

Fig. 2 is the bottom view structural diagram of the anti-sticking device of the present invention;

Fig. 3 is the enlarged structural diagram of place A in Fig. 2 of the utility model;

Fig. 4 is a partially enlarged structural diagram of the installation assembly of the present invention.

Among them: 1. Stirring motor; 2. Mounting plate; 3. Fixing rod; 4. Stirring component; 401. Knife holder; 402. Side row knife; 403. Fixing screw; 5. Anti-sticking component; 502, a scraper; 503, a bottom plate knife; 6, an installation component; 601, an installation frame; 602, a connection seat; 603, a threaded pipe.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model provides a technical solution: an anti-sticking device for negative electrode slurry stirring, including a stirring motor 1, and a mounting plate 2 is connected to the lower end of the stirring motor 1 , and the bottom end of the installation plate 2 is connected with a fixed rod 3, the middle part of the fixed rod 3 is equipped with a stirring component 4, and the two sides of the installation plate 2 are connected with an anti-sticking component 5;

The anti-sticking component 5 includes a side bar 501, a scraper 502 and a bottom plate knife 503. The two sides of the mounting plate 2 are connected with a side bar 501, and the inner cavity of the side bar 501 is equipped with a scraper 502. The bottom ends of the side bar 501 are two A bottom plate knife 503 is installed on the side;

The bottom end of the fixed rod 3 is equipped with a mounting assembly 6. Specifically, firstly, the mounting plate 2 of the stirring motor 1 is engaged on the mixing bucket, and the stirring motor 1 is turned on to drive the fixed rod 3 and the stirring assembly 4 to perform circular Rotate, the knife holder 401 is driven to rotate in a circular manner by the stirring motor 1, so that the knife holder 401 can stir and mix the negative electrode slurry inside the mixing tank, and the use of the side row knife 402 of the knife holder 401 greatly improves the stirring strength and speed, the user can install the number of tool holders 401 according to their own needs, fit the tool holders 401 on the fixed rod 3, and lock the tool holders 401 on the fixed rod 3 through the fixing screws 403 for positioning and installation , the two sides of the mounting plate 2 are equipped with anti-sticking components 5, which can effectively prevent the inner wall of the mixing tank from sticking, and scrape the inner wall of the mixing tank through the scraper 502 in the inner cavity of the side rod 501, and the scraper 502 is closely attached to the mixing tank, and the negative electrode slurry on the inner wall of the mixing tank can be scraped off by the scraper 502, which can effectively prevent the mixing tank from sticking. , can be scraped through the side of the mixing tank to prevent the negative electrode slurry from sticking. The installation component 6 is installed at the bottom of the fixing rod 3, and the bottom of the mixing tank can be scraped off in a large area through the installation component 6. , to prevent the bottom from sticking, the bottom of the mixing tank is rotated and scraped through the mounting bracket 601 on the inner wall of the connecting seat 602, and the user only needs to thread the threaded pipe 603 of the connecting seat 602 on the bottom of the fixing rod 3 Through this technical solution, the problem of adhering the negative electrode slurry and causing the waste of stirring materials was solved, and the anti-sticking components 5 were installed on both sides of the mounting plate 2 to effectively prevent If there is adhesion on the inner wall of the mixing tank, use the scraper 502 in the inner cavity of the side bar 501 to scrape off the inner wall of the mixing tank. The negative electrode slurry is scraped off to effectively prevent the adhering of the mixing tank. The bottom end of the side bar 501 is provided with a bottom plate knife 503, which can be scraped off the side of the mixing tank to prevent the negative electrode slurry from sticking. pick up situation.

One step further, as shown in Figure 1, Figure 2 and Figure 3: it also includes a stirring assembly 4 including a knife rest 401, a side row knife 402 and a fixing screw 403, the middle part of the fixed rod 3 is equipped with a knife rest 401, and the knife rest The inner end of 401 is provided with a side row knife 402, and the middle part of the knife holder 401 is pierced with a fixing screw 403. The advantage of this technical solution is that by turning on the stirring motor 1, the fixed rod 3 and the stirring assembly 4 are driven to rotate circularly. The stirring motor 1 drives the knife holder 401 to rotate in a circular manner, so that the knife holder 401 can stir and mix the negative electrode slurry inside the mixing tank. The use of the side row knife 402 of the knife holder 401 greatly improves the strength and speed of stirring. The user can install the number of tool holders 401 according to their own needs, fit the tool holders 401 on the fixed rod 3, and lock the tool holders 401 on the fixed rod 3 with the fixing screws 403 for positioning and installation.

In the above scheme, there is also the problem that it is not convenient to scrape off the bottom of the utility model, as shown in Figure 1, Figure 2 and Figure 4: in this scheme, the installation component 6 includes a mounting frame 601, a connecting seat 602 and a threaded pipe 603 , a mounting frame 601 is mounted on the bottom of the fixing rod 3 , and a connecting seat 602 is disposed in the middle of the mounting frame 601 , and a threaded pipe 603 is connected to the upper end of the mounting frame 601 . The bottom end of the fixed rod 3 is equipped with an installation assembly 6, and the bottom of the mixing tank can be scraped off in a large area through the installation assembly 6 to prevent the bottom from sticking. The bottom of the bucket is rotated and scraped off, and the user only needs to screw the threaded pipe 603 of the connecting seat 602 on the bottom end of the fixed rod 3 for installation.

working principle:

As shown in Figure 1-4:

First, engage the mounting plate 2 of the stirring motor 1 on the mixing barrel, and turn on the stirring motor 1 to drive the fixed rod 3 and the stirring assembly 4 to rotate circularly, and the stirring motor 1 drives the knife holder 401 to rotate circularly, so that the knife The rack 401 mixes and mixes the negative electrode slurry inside the mixing tank, and the combined use of the side row of knives 402 of the knife rack 401 greatly improves the strength and speed of stirring. Users can adjust the number of knife racks 401 according to their own needs. For installation, fit the tool holder 401 on the fixed rod 3, lock the tool holder 401 on the fixed rod 3 through the fixing screw 403, and perform positioning installation. Anti-sticking components 5 are installed on both sides of the installation disk 2, which is effective In order to prevent the inner wall of the mixing tank from sticking, the scraper 502 in the inner cavity of the side bar 501 is used to scrape the inner wall of the mixing tank, and the scraper 502 is closely attached to the mixing tank, and the scraper 502 can be used for mixing. The negative electrode slurry on the inner wall of the barrel is scraped off to effectively prevent the bonding of the mixing barrel. The bottom of the side bar 501 is provided with a bottom plate knife 503, which can be scraped off the side of the mixing barrel to prevent the negative electrode slurry from In the case of bonding, the installation component 6 is installed at the bottom of the fixed rod 3, and the bottom of the mixing tank can be scraped off in a large area through the installation component 6 to prevent the bottom from bonding. The mounting bracket 601 performs rotary scraping on the bottom of the mixing bucket, and the user only needs to screw the threaded pipe 603 of the connecting seat 602 on the bottom end of the fixing rod 3 for installation.

The above are only preferred embodiments of the utility model, and are not intended to limit the utility model to other forms. Any skilled person who is familiar with the profession may use the technical content disclosed above to change or modify the equivalent of the equivalent change. The embodiments are applied to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still belong to the protection of the technical solutions of the present invention. scope.

Claims (7)

1. An anti-sticking device for stirring negative electrode slurry, comprising a stirring motor (1), is characterized in that: the lower end of the stirring motor (1) is connected with a mounting plate (2), and the bottom of the mounting plate (2) A fixed rod (3) is connected, a stirring component (4) is installed in the middle of the fixed rod (3), and an anti-sticking component (5) is connected to both sides of the mounting plate (2); The anti-sticking assembly (5) includes a side bar (501), a scraper (502) and a floor knife (503), and side bars (501) are connected to both sides of the mounting plate (2), and the side bars ( 501) is provided with a scraper (502) in the inner cavity, and floor knives (503) are installed on both sides of the bottom end of the side bar (501); An installation component (6) is installed on the bottom end of the fixed rod (3). 2 . The anti-sticking device for stirring negative electrode slurry according to claim 1 , characterized in that: the side rod ( 501 ) and the scraper ( 502 ) are in close contact. 3 . 3 . The anti-sticking device for stirring negative electrode slurry according to claim 1 , characterized in that: the bottom plate knives ( 503 ) are distributed symmetrically with respect to the center of the side rod ( 501 ). 4 . 4. The anti-sticking device for stirring negative electrode slurry according to claim 1, characterized in that: the stirring assembly (4) includes a knife holder (401), a side row knife (402) and a fixing screw (403) , the middle part of the fixed rod (3) is equipped with a knife rest (401), and the inner end of the knife rest (401) is provided with a side row knife (402), and the middle part of the knife rest (401) is pierced with a set screw (403). 5. A kind of anti-sticking device for negative electrode slurry stirring according to claim 4, characterized in that: said knife rest (401) constitutes a fixed structure with a set screw (403) and a side row of knives (402), said The knife rest (401) is fixedly connected with the side row knife (402). 6. The anti-sticking device for agitating negative electrode slurry according to claim 1, characterized in that: the mounting assembly (6) includes a mounting frame (601), a connecting seat (602) and a threaded pipe (603), A mounting frame (601) is installed at the bottom of the fixed rod (3), and a connecting seat (602) is arranged in the middle of the mounting frame (601), and a threaded pipe (603) is connected to the upper end of the mounting frame (601). . 7. A kind of anti-sticking device for negative electrode slurry stirring according to claim 6, characterized in that: the threaded pipe (603) and the connecting seat (602) are connected by welding, and the mounting frame (601) is about The connecting seats (602) are distributed in a ring shape.

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