CN221156215U - Lithium ion battery negative electrode proportioning device - Google Patents

Abstract

The utility model discloses a cathode proportioning device of a lithium ion battery, which comprises a tank body, a cover plate, a discharge hole, a double-shaft stirring device and a discharge and material-clearing integrated device, and belongs to the technical field of lithium ion batteries; the integrative device of clear material of ejection of compact is through the flexible effect control discharge hole of telescopic link opening and shutting, and the problem that tank bottoms wall thick liquids are difficult to clear up has been solved in the setting of scraping the flitch.

Description

Lithium ion battery negative electrode proportioning device

Technical Field

The utility model belongs to the technical field of lithium ion batteries, and particularly relates to a negative electrode proportioning device of a lithium ion battery.

Background

The lithium battery has the advantages of high energy density, long cycle life, wide working temperature range, safety, reliability and the like, is widely applied to the fields of consumer electronics, power batteries, energy storage and the like, the negative electrode material is generally carbon material graphite and the like and non-carbon material, and the slurry is required to flow and be uniform in the batching process of the lithium ion battery negative electrode batching device.

The prior patent (publication number: CN 219399909U) discloses a heating stirring tank for honey production, wherein a stirring paddle used in a mixing tank is single-shaft unidirectional stirring, and the stirring paddle can meet the production requirements of the prior art, but still has the following defects: on one hand, in the process of stirring in a single direction, materials are difficult to stir uniformly, the stirring efficiency is affected, the stirring and mixing time is increased in the working process, and the working efficiency is low; on the other hand, after the slurry is stirred, the slurry is easy to precipitate at the bottom of the tank body due to certain viscosity, so that a worker is difficult to clean the slurry completely, the cleaning process wastes time, and when more materials are accumulated in the tank body, the proportion and purity of the mixed materials cannot be ensured.

Disclosure of utility model

Aiming at the situation, in order to solve the problems of uneven mixing and difficult cleaning of residual slurry in the prior art, the utility model provides the cathode batching device for the lithium ion battery, wherein the double-shaft reverse stirring increases the movement frequency of the slurry to improve the uniformity of slurry mixing, and the discharging and cleaning integrated device cleans the slurry at the bottom of a tank after the mixing operation is finished, so that the important effect is played on the operation of the whole batching device.

The technical scheme adopted by the utility model is as follows: the utility model relates to a lithium ion battery cathode batching device, which comprises a tank body, a cover plate and a discharge hole, wherein the tank body is a cavity with a conical bottom and an open top, the cover plate is movably connected to the opening of the tank body, the discharge hole is arranged at the central position of the bottom of the tank body, and the cover plate is provided with a feeding hopper, and the lithium ion battery cathode batching device is characterized in that: still include biax agitating unit and the integrative device of clear material of ejection of compact, on the apron was located to biax agitating unit's drive portion, the rotation part of biax agitating unit runs through the apron and extends to in the jar body, and biax agitating unit's rotation part is through inside and outside biax counter-rotation, and the rotation part of the integrative device of clear material of ejection of compact runs through the discharge gate rotation on the bottom wall of jar body, and the drive portion of the integrative device of clear material of ejection of compact is located the discharge gate bottom.

Further, the double-shaft stirring device comprises a motor, a driving gear, an upper fluted disc, a lower fluted disc, a positive inner shaft, a reverse outer shaft and stirring pieces, wherein the motor is arranged on the cover plate, the driving gear is arranged on an output shaft of the motor, the reverse outer shaft is vertically and rotationally arranged at the center of the cover plate, the lower fluted disc is coaxially connected and arranged above the reverse outer shaft, the positive inner shaft is rotationally connected and arranged inside the reverse outer shaft through a bearing, the positive inner shaft penetrates through the upper side and the lower side of the reverse outer shaft and is coaxially connected and arranged above the positive inner shaft, the driving gear is meshed and rotates between the upper fluted disc and the lower fluted disc, the driving gear drives the upper fluted disc and the lower fluted disc to respectively perform positive and negative movement, and the stirring pieces are horizontally connected to the positive inner shaft and the reverse outer shaft; the motor drives the driving gear to rotate, the upper fluted disc and the lower fluted disc are driven to reversely rotate under the driving of the driving gear, at the moment, the speed of the positive inner shaft and the speed of the reverse outer shaft are the same in rotation, the rotation directions are opposite, the single rotation direction of the slurry is changed through the two reverse rotating shafts, the frequency of movement between the slurries is increased, and therefore the uniformity of slurry mixing is improved.

Further, the double-shaft stirring device also comprises a driven gear and a supporting shaft, the supporting shaft is arranged on the cover plate, the driven gear is meshed with and rotates between the upper fluted disc and the lower fluted disc, and the driven gear is rotationally arranged on a rotating shaft of the supporting shaft; the upper fluted disc and the lower fluted disc are also reversely rotated under the drive of the driving gear, and the driven gear is meshed with the driven gear and rotates between the upper fluted disc and the lower fluted disc, so that the driven gear also rotates at the same speed with the driving gear, and meanwhile, the output shaft of the supporting shaft is connected with the driven gear, so that the supporting shaft is firmer in rotation, and the balance of the whole double-shaft stirring device in the rotating stirring process is maintained.

Further, the discharging and material cleaning integrated device comprises a driving motor, a rotating shaft, an electric telescopic rod, a supporting diagonal rod, a connecting supporting rod, a scraping plate and a fixing plate, wherein the electric telescopic rod vertically penetrates through a horizontal port of a discharging hole; the upward sliding height of the electric telescopic rod is equal to the height of the scraping plate from the bottom wall of the tank body; when the inner rod of the telescopic rod slides upwards, the fixed plate also slides upwards along with the inner rod until the inner rod is attached to the horizontal port of the discharge hole, the discharge hole is sealed, the scraping plate is far away from the bottom wall of the tank body, when the inner rod of the telescopic rod slides downwards, the fixed plate is separated from the horizontal port of the discharge hole, the discharge hole is opened, the inclined rod, the connecting support rod and the scraping plate also slide downwards until the inner rod of the telescopic rod is attached to the bottom wall of the tank body, the driving motor drives the rotating shaft to rotate, the scraping plate is attached to the bottom wall of the tank body to rotate, and the scraped slurry is discharged from the discharge hole.

Further, the stirring piece comprises a stirring cross rod I, a stirring cross rod II and stirring blades, wherein the stirring cross rod I is horizontally connected with the inverse outer shaft, the stirring cross rod II is horizontally connected with the positive inner shaft, and the stirring cross rod I and the stirring cross rod II are respectively provided with the stirring blades; because the forward inner shaft and the backward outer shaft reversely rotate, the stirring cross rod I and the stirring cross rod II reversely rotate, and different slurries reversely rotate to be mixed with each other, and the mixing efficiency is improved.

The beneficial effects obtained by the utility model by adopting the structure are as follows: according to the utility model, the double-shaft stirring device is used for enabling the slurry in the tank body to reversely and alternately move, so that all the slurry is prevented from flowing in the same direction, the mixing overlapping area of the stirring rods is avoided, different slurries in opposite directions are rotated and mutually mixed, and the mixing efficiency is improved; the integrative device of material is cleared in ejection of compact has solved the problem that tank bottom wall thick liquids are difficult to the clearance, and the design control of its extending structure is opened and shut of discharge port, when the discharge port was opened, scrapes the flitch and slides downwards to laminating in the diapire of the jar body, and driving motor drives the axis of rotation and rotates to it laminates in the diapire of the jar body rotatory to drive scrapes the flitch, and the thick liquids that scrape are discharged from the discharge port.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a front view of the present utility model;

Fig. 2 is a schematic view of a discharging and cleaning integrated device in a state of sliding upwards;

FIG. 3 is a perspective view of a dual-shaft stirring device provided by the utility model;

Wherein, 1, the tank body; 11. feeding into a hopper; 12. a cover plate; 13. a discharge port; 2. a double-shaft stirring device; 3. discharging and material cleaning integrated device; 21. a motor; 22. a drive gear; 23. an upper fluted disc; 24. a lower fluted disc; 25. a positive inner shaft; 26. a reverse outer shaft; 27. a stirring member; 28. a driven gear; 29. a support shaft; 271. stirring the first cross rod; 272. stirring a second cross rod; 273. stirring blades; 31. a driving motor; 32. a rotating shaft; 33. an electric telescopic rod; 34. supporting the diagonal rod; 35. a connecting strut; 36. a scraping plate; 37. and a fixing plate.

Detailed Description

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

As shown in fig. 1 and 3: the utility model provides a lithium ion battery negative pole dosing unit, includes jar body (1), apron (12) and discharge gate (13), and jar body (1) is the cavity that the bottom is toper, open-top, and apron (12) swing joint is on the opening of jar body (1), and discharge gate (13) are located jar body (1) bottom central point put, and apron (12) are equipped with into hopper (11); the device also comprises a double-shaft stirring device (2) and a discharging and material cleaning integrated device (3);

In order to make the slurry stirring more even, promote the speed of stirring, on apron (12) was located to the drive part of biax agitating unit (2), in the rotation part of biax agitating unit (2) runs through apron (12) and extends to jar body (1), rotation part of biax agitating unit (2) is through inside and outside biax counter-rotating to mix the slurry, the rotation part of the integrative device of ejection of compact clear material (3) runs through discharge gate (13) and rotates on the bottom wall of jar body (1), the drive part of the integrative device of ejection of compact clear material (3) is located discharge gate (13) bottom.

As shown in fig. 1: the double-shaft stirring device (2) comprises a motor (21), a driving gear (22), an upper fluted disc (23), a lower fluted disc (24), a positive inner shaft (25), a reverse outer shaft (26) and a stirring piece (27),

In order to enable the double-shaft stirring device (2) to achieve a higher efficient stirring effect through a double-shaft bidirectional rotating state, a motor (21) is arranged on a cover plate (12), a driving gear (22) is arranged on an output shaft of the motor (21), a reverse outer shaft (26) is vertically and rotationally arranged at the center of the cover plate (12), a lower fluted disc (24) is coaxially connected to the upper part of the reverse outer shaft (26), a positive inner shaft (25) is rotationally connected to the inside of the reverse outer shaft (26) through a bearing, the positive inner shaft (25) penetrates through the upper side and the lower side of the reverse outer shaft (26), an upper fluted disc (23) is coaxially connected to the upper part of the positive inner shaft (25), a driving gear (22) is meshed with and rotates between the upper fluted disc (23) and the lower fluted disc (24), the driving gear (22) drives the upper fluted disc (23) and the lower fluted disc (24) to respectively perform forward and backward movement, and a stirring piece (27) is horizontally connected to the positive inner shaft (25) and the reverse outer shaft (26). The stirring piece (27) comprises a stirring horizontal rod I (271), a stirring horizontal rod II (272) and stirring blades (273), wherein the stirring horizontal rod I (271) is horizontally connected with the inverse outer shaft (26), the stirring horizontal rod II (272) is horizontally connected with the positive inner shaft (25), and the stirring horizontal rod I (271) and the stirring horizontal rod II (272) are respectively provided with the stirring blades (273).

In order to enable the double-shaft stirring device (2) to be more stable in the mixing and stirring process, the double-shaft stirring device (2) further comprises a driven gear (28) and a supporting shaft (29), the supporting shaft (29) is arranged on the cover plate (12), the driven gear (28) is meshed with the upper fluted disc (23) and the lower fluted disc (24) in a rotating mode, and the driven gear (28) is arranged on the rotating shaft of the supporting shaft (29) in a rotating mode.

As shown in fig. 1 and 2: the discharging and material cleaning integrated device (3) comprises a driving motor (31), a rotating shaft (32), an electric telescopic rod (33), a supporting inclined rod (34), a connecting supporting rod (35), a scraping plate (36) and a fixing plate (37).

In order to enable the proportioning device to discharge more thoroughly, slurry is reduced to be deposited at the bottom of the tank, an electric telescopic rod (33) vertically penetrates through a horizontal port of a discharge hole (13), a fixing plate (37) is connected to the end portion of the electric telescopic rod (33), a driving motor (31) is arranged below the fixing plate (37), a rotating shaft (32) is rotationally connected to an output shaft of the driving motor (31), a supporting inclined rod (34) is connected to the end portion of the rotating shaft (32), a connecting support rod (35) is connected to the supporting inclined rod (34), a scraping plate (34) is connected to the connecting support rod (33), and the upward sliding height of an inner rod of the electric telescopic rod (33) is equal to the height of the scraping plate (36) away from the bottom wall of the tank body (1).

The specific use is as follows: when the batching device starts to work, the motor (21) drives the driving gear (22) to rotate, and simultaneously drives the upper fluted disc (23) and the lower fluted disc (24) to reversely rotate at the same speed, the positive inner shaft (25) and the inverse outer shaft (26) also reversely rotate at the same speed, the stirring cross rod I (271) and the stirring cross rod II (272) rotate in opposite directions, and the slurry is pushed by the rotation of the stirring cross rod I (271), the stirring cross rod II (272) and the stirring blades (273) to synchronously move along with the rotation, so that the slurry is mutually staggered and mixed to finish the stirring effect; after the preface stirring work is accomplished, most thick liquids are discharged from discharge port (13), and still have little thick liquids adhesion in the diapire of jar body (1), when the interior pole of electric telescopic handle (33) upwards slides, fixed plate (37) upwards slides along with it, until laminating in the horizontal port of discharge port (13), seal discharge port (13), scrape the diapire of jar body (1) this moment with flitch (36), when the interior pole of electric telescopic handle (33) slides downwards, fixed plate (37) and the horizontal port separation of discharge port (13), discharge port (13) are opened, support down chute (34) simultaneously, connect branch (35) and scrape flitch (36) and also downwards slide to laminating in the diapire of jar body (1), driving motor (31) drive axis of rotation (32) rotate, thereby drive and scrape the rotation of flitch laminating in the diapire of jar body (1), the thick liquids that scrape are discharged from discharge port (13).

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

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

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (5)

1. The utility model provides a lithium ion battery negative pole dosing unit, includes jar body (1), apron (12) and discharge gate (13), jar body (1) is the cavity of toper, open-top for the bottom, apron (12) swing joint in on the opening of jar body (1), discharge gate (13) are located jar body (1) bottom central point puts, apron (12) are equipped with into hopper (11), its characterized in that: still include biax agitating unit (2) and ejection of compact and clear integrative device (3), the drive portion of biax agitating unit (2) is located on apron (12), the rotation part of biax agitating unit (2) runs through apron (12) extend to in jar body (1), the rotation part of biax agitating unit (2) is through inside and outside biax counter-rotating to mixing the thick liquids, the rotation part of ejection of compact clear integrative device (3) run through discharge gate (13) rotate in on the bottom wall of jar body (1), the drive portion of ejection of compact clear integrative device (3) is located discharge gate (13) bottom.

2. The lithium ion battery negative electrode proportioning device according to claim 1, wherein: the double-shaft stirring device (2) comprises a motor (21), a driving gear (22), an upper fluted disc (23), a lower fluted disc (24), a positive inner shaft (25), a reverse outer shaft (26) and a stirring piece (27), wherein the motor (21) is arranged on the cover plate (12), the driving gear (22) is arranged on an output shaft of the motor (21), the reverse outer shaft (26) is vertically rotationally arranged at the center of the cover plate (12), the lower fluted disc (24) is coaxially connected with the upper part of the reverse outer shaft (26), the positive inner shaft (25) is rotationally connected with the inner part of the reverse outer shaft (26) through a bearing, the positive inner shaft (25) penetrates through the upper side and the lower side of the reverse outer shaft (26), the upper fluted disc (23) is coaxially connected with the upper part of the positive inner shaft (25), the driving gear (22) is meshed with the lower fluted disc (23) in a rotating mode, the driving gear (22) drives the upper fluted disc (24) to move with the lower fluted disc (24) respectively, and the positive inner shaft (25) is connected with the reverse inner shaft (27) in a horizontal mode.

3. The lithium ion battery negative electrode proportioning device according to claim 2, wherein: the double-shaft stirring device (2) further comprises a driven gear (28) and a supporting shaft (29), the supporting shaft (29) is arranged on the cover plate (12), the driven gear (28) is meshed with and rotates between the upper fluted disc (23) and the lower fluted disc (24), and the driven gear (28) is rotatably arranged on a rotating shaft of the supporting shaft (29).

4. A lithium ion battery negative electrode dosing unit according to claim 3, characterized in that: the utility model provides a discharging and material cleaning integrated device (3) comprises a driving motor (31), a rotating shaft (32), an electric telescopic rod (33), a supporting inclined rod (34), a connecting support rod (35), a scraping plate (36) and a fixing plate (37), wherein the electric telescopic rod (33) vertically penetrates through a horizontal port of a discharging hole (13), the fixing plate (37) is connected with the end part of the electric telescopic rod (33), the driving motor (31) is arranged below the fixing plate (37), the rotating shaft (32) is rotationally connected with an output shaft of the driving motor (31), the supporting inclined rod (34) is connected with the end part of the rotating shaft (32), the connecting support rod (35) is connected with the supporting inclined rod (34), the scraping plate (34) is connected with the connecting support rod (33), and the upward sliding height of an inner rod of the electric telescopic rod (33) is equal to the distance of the scraping plate (36) from the bottom wall of the tank body (1).

5. The lithium ion battery negative electrode proportioning device according to claim 4, wherein: the stirring piece (27) comprises a stirring horizontal rod I (271), a stirring horizontal rod II (272) and stirring blades (273), wherein the stirring horizontal rod I (271) is horizontally connected with the inverse outer shaft (26), the stirring horizontal rod II (272) is horizontally connected with the positive inner shaft (25), and the stirring horizontal rod I (271) and the stirring horizontal rod II (272) are respectively provided with the stirring blades (273).