CN218241953U

CN218241953U - Ultrasonic roller separation tank for battery lithium iron phosphate positive plate

Info

Publication number: CN218241953U
Application number: CN202222068206.0U
Authority: CN
Inventors: 何仰江
Original assignee: Foshan City Nanhai District Juhe Ultrasonic Equipment Co ltd
Current assignee: Foshan City Nanhai District Juhe Ultrasonic Equipment Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-01-06
Anticipated expiration: 2032-08-05

Abstract

The utility model belongs to the technical field of waste materials of lithium ion batteries, in particular to an ultrasonic roller separation tank for a lithium iron phosphate positive plate of a battery, which comprises a tank body; a pair of symmetrically distributed supporting legs is fixedly connected to the bottom end of the tank body; a first annular groove is formed in the inner wall of one side of the tank body; the first annular groove is rotatably connected with a separating cylinder, and the other end of the separating cylinder is rotatably connected to the inner side wall of the tank body; a first servo motor is fixedly connected to the side wall of the tank body, a first rotating shaft is arranged at the output end of the first servo motor, and the first rotating shaft extends into the separating cylinder; the utility model provides an ultrasonic wave cylinder knockout drum of battery lithium iron phosphate positive plate to solve both separation efficiencies of aluminium foil and lithium iron phosphate positive electrode material low, influence subsequent recovery operation, and need a large amount of transportation latency between twice process and the different operation apparatus, also greatly reduced the problem to the recovery efficiency of battery lithium iron phosphate positive plate.

Description

Ultrasonic roller separation tank for battery lithium iron phosphate positive plate

Technical Field

The utility model belongs to the technical field of lithium ion battery waste material, specific ultrasonic wave cylinder knockout drum of battery lithium iron phosphate positive plate that says so.

Background

With the increase of the usage of the lithium iron phosphate batteries on new energy automobiles year by year, the number of the scrapped lithium iron phosphate batteries is increased year by year due to the limited service life of the batteries, and if the scrapped batteries are directly discarded, the environment is polluted, and the waste of resources is undoubtedly huge. Therefore, the recovery of the scrapped lithium iron phosphate battery is significant, and the key step of the recovery is to effectively separate the lithium iron positive electrode material in the lithium iron phosphate positive electrode waste sheet from the aluminum foil.

When aluminum foil and lithium iron phosphate positive electrode materials are recovered from a lithium iron phosphate positive plate of a battery, the aluminum foil and the lithium iron phosphate positive electrode materials are usually soaked in alkali liquor and then stirred, then the lithium iron phosphate positive electrode materials on the aluminum foil are separated, and the aluminum foil and the lithium iron phosphate powder are obtained through operations such as drying and filter pressing.

Among the prior art, soaking stirring and filtering separation generally need twice process and different operation apparatus to battery lithium iron phosphate positive plate, but have a large amount of remaining lithium iron phosphate positive material on the aluminium foil, lead to both separation efficiency low of aluminium foil and lithium iron phosphate positive material, influence subsequent recovery operation, and need a large amount of transportation latency between twice process and the different operation apparatus, also greatly reduced the recovery efficiency to battery lithium iron phosphate positive plate, for this reason, the utility model provides an ultrasonic wave cylinder knockout drum of battery lithium iron phosphate positive plate.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, the solution is soaking the stirring and is filtering separation generally needs twice process and different operation apparatus to battery lithium iron phosphate positive plate, but has a large amount of remaining lithium iron phosphate positive material on the aluminium foil, lead to both separation efficiency low of aluminium foil and lithium iron phosphate positive material, influence subsequent recovery operation, and need a large amount of transportation latency between twice process and the different operation apparatus, also greatly reduced the problem to the recovery efficiency of battery lithium iron phosphate positive plate, the utility model provides an ultrasonic wave cylinder knockout drum of battery lithium iron phosphate positive plate.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to an ultrasonic roller separation tank for a battery lithium iron phosphate positive plate, which comprises a tank body; a pair of symmetrically distributed supporting legs is fixedly connected to the bottom end of the tank body; a first annular groove is formed in the inner wall of one side of the tank body; the first annular groove is rotatably connected with a separating cylinder, and the other end of the separating cylinder is rotatably connected to the inner side wall of the tank body; a first servo motor is fixedly connected to the side wall of the tank body, a first rotating shaft is arranged at the output end of the first servo motor, and the first rotating shaft extends into the separating cylinder; the side wall of the tank body, which is positioned on the first servo motor, is provided with a feeding cylinder, and the side wall of the tank body, which is far away from the feeding cylinder, is provided with a semicircular discharge hole and is fixedly connected with a discharge cylinder; the feeding cylinder, the separating cylinder, the semicircular discharge hole and the discharge cylinder are communicated with each other; the first rotating shaft is positioned on the shaft of the separating cylinder and fixedly connected with a helical blade; a group of ultrasonic generators is fixedly connected to the inner wall of the tank body; a discharging pipe is arranged in the center of the bottom end of the tank body; the first rotating shaft drives the separating cylinder to rotate through a transmission piece; utilize jar body will soak stirring and filtering separation both to operate at same jar body, practice thrift and transport latency, utilize supersonic generator and helical blade's power simultaneously, can carry out broken separation completely with the lithium iron phosphate powder on the aluminium foil, guarantee the separation effect, utilize centrifugal force to carry out preliminary dehydration, make things convenient for follow-up operation to the aluminium foil simultaneously.

Preferably, the separating cylinder comprises a pair of annular plates and an annular filter screen; an annular filter screen is fixedly connected between the pair of annular plates; the annular plate at one end of the annular filter screen is rotationally connected in the first annular groove, and the annular plate at the other end of the annular filter screen is rotationally connected on the inner wall of the tank body; the transmission piece comprises a first cavity; a first cavity is formed in the side wall of the tank body and is positioned in the first annular groove, and the bottom end of the first cavity is communicated with the first annular groove; the first rotating shaft is positioned on the shaft of the first cavity and fixedly connected with a first gear; a second gear is rotationally connected in the first cavity; a second annular groove is formed in the inner annular wall of the annular plate in the first annular groove; a first annular rack is fixedly connected in the second annular groove; the first gear and the second gear are mutually meshed; the second gear is meshed with the first annular rack; utilize the rotation of first gear, second gear and first annular rack, let the rotational speed of separator be less than helical blade's rotational speed far away, further improve the separation efficiency to aluminium foil and lithium iron phosphate powder.

Preferably, the side wall of the tank body is rotatably connected with a cleaning roller; a group of cleaning brushes is fixedly connected to the cleaning roller; the cleaning brush is a soft brush; the cleaning roller is positioned right above the separating cylinder; utilize supersonic generator can conveniently clear up cleaning the brush, avoid depending on of lithium iron phosphate powder.

Preferably, a second annular rack is fixedly connected to the outer side wall of the annular plate in the first annular groove through a fixing column; a third gear is fixedly connected to the end part of the cleaning roller; the second annular rack is meshed with the third gear, and the third gear is positioned on the inner side of the second annular rack; and then increase the efficiency of cleaning the annular filter screen to cleaning the brush.

Preferably, a first groove is formed in the top end of the inner wall of the semicircular discharging port; an arc-shaped block is connected in the first groove in a sliding manner; a fixed seat is fixedly connected to the top end of the tank body, and a second servo motor is fixedly connected to the fixed seat; the output end of the second servo motor is provided with a lead screw, and the bottom end of the lead screw penetrates through the first groove and the arc-shaped block and is rotatably connected to the center of the inner wall of the bottom end of the semicircular discharge hole; the arc-shaped block is connected to the lead screw through a lead screw nut pair; and then let the arc piece remove to first recess tank bottom, open semi-circular discharge gate, make things convenient for the aluminium foil to carry out the ejection of compact.

Preferably, a sealing layer is fixedly connected to the arc-shaped side wall of the arc-shaped block; the sealing layer is made of rubber; the feeding cylinder is arranged obliquely upwards, and the discharging cylinder is arranged obliquely downwards; the worker is simultaneously the feed cylinder for the slope sets up, makes things convenient for the feeding, goes out the feed cylinder and sets up the convenient ejection of compact down for the slope.

The utility model has the advantages as follows:

1. a battery lithium iron phosphate positive plate's ultrasonic wave cylinder knockout drum, will soak the stirring and filter separation both and operate at same jar body through utilizing jar body, practice thrift and transport latency, utilize supersonic generator and helical blade's power simultaneously, can carry out broken separation completely with the lithium iron phosphate powder on the aluminium foil, guarantee the separation effect, utilize centrifugal force to carry out preliminary dehydration, convenient follow-up operation to the aluminium foil simultaneously.

2. A ultrasonic wave cylinder knockout drum of battery lithium iron phosphate positive plate, through utilizing second annular rack and second gear intermeshing, and the third gear is located second annular rack inboard, lets clean the annular filter screen both syntropy rotations of brush and cylinder, but is the counter-rotation in contact surface position department, and then the increase is to cleaning the efficiency of brush to annular filter screen.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

FIG. 6 is a partial block diagram of the present invention;

fig. 7 is a partial cross-sectional view of the present invention;

in the figure: 1. a tank body; 11. a separation cylinder; 12. a first annular groove; 13. an annular plate; 14. an annular filter screen; 15. a feeding cylinder; 16. a discharging barrel; 17. a semicircular discharge port; 18. a discharging pipe; 19. a first servo motor; 2. a first rotating shaft; 21. a helical blade; 22. an ultrasonic generator; 3. a first cavity; 31. a first gear; 32. a second gear; 33. a second annular groove; 34. a first annular rack; 35. cleaning the roller; 36. cleaning a brush; 37. fixing a column; 38. a second annular rack; 39. a third gear; 4. a first groove; 41. an arc-shaped block; 42. a second servo motor; 43. a lead screw; 44. a fixed seat; 45. and (4) sealing the layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 7, the ultrasonic roller separation tank for a battery lithium iron phosphate positive plate of the present invention comprises a tank body 1; a pair of symmetrically distributed supporting legs is fixedly connected to the bottom end of the tank body 1; a first annular groove 12 is formed in the inner wall of one side of the tank body 1; the first annular groove 12 is rotatably connected with a separating cylinder 11, and the other end of the separating cylinder 11 is rotatably connected with the inner side wall of the tank body 1; a first servo motor 19 is fixedly connected to the side wall of the tank body 1, a first rotating shaft 2 is arranged at the output end of the first servo motor 19, and the first rotating shaft 2 extends into the separating cylinder 11; a feeding cylinder 15 is arranged on the side wall of the tank body 1, which is positioned on the first servo motor 19, and a semicircular discharging port 17 is arranged on the side wall of the tank body 1, which is far away from the feeding cylinder 15, and is fixedly connected with a discharging cylinder 16; the feeding cylinder 15, the separating cylinder 11, the semicircular discharge hole 17 and the discharge cylinder 16 are communicated with each other; the first rotating shaft 2 is fixedly connected with a helical blade 21 on the shaft of the separating cylinder 11; a group of ultrasonic generators 22 is fixedly connected to the inner wall of the tank body 1; a blanking pipe 18 is arranged at the center of the bottom end of the tank body 1; the first rotating shaft 2 drives the separating cylinder 11 to rotate through a transmission piece; in the prior art, two process procedures and different operating instruments are generally needed for soaking, stirring, filtering and separating the battery lithium iron phosphate positive plate, and meanwhile, the separation efficiency of the aluminum foil and the lithium iron phosphate positive plate is low, so that a large amount of residual lithium iron phosphate positive material is always on the aluminum foil, the subsequent recovery operation is influenced, and a large amount of transportation waiting time is needed between the two processes and different operating instruments, so that the recovery efficiency of the battery lithium iron phosphate positive plate is greatly reduced, therefore, when the utility model is in operation, firstly, alkali liquor is introduced into the tank body 1 through the feed inlet, then, the cut lithium iron phosphate positive plate is put into the separating cylinder 11 through the feed cylinder 15, the first servo motor 19 is started when the lithium iron phosphate positive plate is put into, the first servo motor 19 rotates to drive the helical blade 21 to rotate, and further, the put lithium iron phosphate positive plate is uniformly distributed forwards, after the feeding is finished, firstly, the lithium iron phosphate anode small pieces are soaked by alkali liquor for 3-4 hours, at the moment, a feeding pipe 18 and a semicircular discharge hole 17 are in a closed state, then, the first servo motor 19 rotates forwards and backwards, further, the helical blade 21 drives the lithium iron phosphate anode small pieces to move back and forth in the separation cylinder 11, meanwhile, the first rotating shaft 2 rotates to drive the separation cylinder 11 to rotate through a transmission piece, further, the first rotating shaft 2, the transmission piece, the helical blade 21 and the ultrasonic generator 22 can be used for stirring and crushing the lithium iron phosphate anode small pieces soaked in the alkali liquor, so that the lithium iron phosphate powder on the aluminum foil is crushed and separated, the alkali liquor is mixed with each other, the aluminum foil and the lithium iron phosphate powder are completely separated by utilizing the annular filter screen 14 of the separation cylinder 11, the feeding cylinder is opened firstly, and the mixed alkali liquor and lithium iron phosphate powder are discharged, simultaneously first servo motor 19 rotates the rotation that can drive separator 11, let it utilize centrifugal force to carry out preliminary dehydration to the aluminium foil, and can further improve both separation efficiency of aluminium foil and lithium iron phosphate powder, then open semi-circular discharge gate 17, utilize helical blade 21's corotation, can promote the aluminium foil outwards to remove, and then carry out the ejection of compact, utilize jar body 1 will soak stirring and filtering separation both to operate at same jar body 1, practice thrift and transport latency, utilize supersonic generator 22 and helical blade 21 both power simultaneously, can carry out broken separation completely with the lithium iron phosphate powder on the aluminium foil, guarantee the separation effect, utilize centrifugal force to carry out preliminary dehydration to the aluminium foil simultaneously, make things convenient for subsequent operation.

The separation cylinder 11 comprises a pair of annular plates 13 and an annular filter screen 14; an annular filter screen 14 is fixedly connected between the pair of annular plates 13; the annular plate 13 at one end of the annular filter screen 14 is rotationally connected in the first annular groove 12, and the annular plate 13 at the other end of the annular filter screen 14 is rotationally connected on the inner wall of the tank body 1; the transmission piece comprises a first cavity 3; a first cavity 3 is formed in the side wall of the tank body 1, the first cavity 3 is positioned in a first annular groove 12, and the bottom end of the first cavity 3 is communicated with the first annular groove 12; a first gear 31 is fixedly connected to the first rotating shaft 2 on the shaft of the first cavity 3; a second gear 32 is rotationally connected in the first cavity 3; a second annular groove 33 is formed in the inner annular wall of the annular plate 13 in the first annular groove 12; a first annular rack 34 is fixedly connected in the second annular groove 33; the first gear 31 and the second gear 32 are meshed with each other; the second gear 32 and the first annular rack 34 are meshed with each other; the during operation, when first axis of rotation 2 rotates, can utilize first gear 31 and second gear 32 intermeshing this moment, recycle second gear 32 and first annular rack 34's intermeshing, let helical blade 21 and separator 11's rotation opposite direction, the convenience promotes and stirs making a round trip to lithium iron phosphate positive pole small, utilize first gear 31 simultaneously, second gear 32 and first annular rack 34's rotation, let separator 11's rotational speed be less than helical blade 21's rotational speed far away, further improve the separation efficiency to aluminium foil and lithium iron phosphate powder.

A cleaning roller 35 is rotatably connected to the side wall of the tank body 1; a group of cleaning brushes 36 is fixedly connected to the cleaning roller 35; the cleaning brush 36 is a soft brush; the cleaning roller 35 is positioned right above the separation cylinder 11; during operation, when separating cylinder 11 rotated, utilization was cleaned brush 36 and can be cleaned the aluminium foil of jam at annular filter 14 on separating cylinder 11 and drop this moment, avoided annular filter 14 the condition of jam to appear, utilized supersonic generator 22 to conveniently clear up brush 36 simultaneously, avoided depending on of lithium iron phosphate powder.

A second annular rack 38 is fixedly connected to the outer side wall of the annular plate 13 in the first annular groove 12 through a fixing column 37; a third gear 39 is fixedly connected to the end part of the cleaning roller 35; the second annular rack 38 and the third gear 39 are meshed with each other, and the third gear 39 is positioned inside the second annular rack 38; in operation, the second annular rack 38 and the second gear 32 are meshed with each other, and the third gear 39 is located inside the second annular rack 38, so that the cleaning brush 36 and the annular filter screen 14 of the separation cylinder 11 rotate in the same direction, but rotate oppositely at the position of the contact surface, and the cleaning efficiency of the cleaning brush 36 on the annular filter screen 14 is increased.

A first groove 4 is formed in the top end of the inner wall of the semicircular discharge hole 17; an arc-shaped block 41 is connected in the first groove 4 in a sliding manner; a fixed seat 44 is fixedly connected to the top end of the tank body 1, and a second servo motor 42 is fixedly connected to the fixed seat 44; the output end of the second servo motor 42 is provided with a lead screw 43, and the bottom end of the lead screw 43 penetrates through the first groove 4 and the arc-shaped block 41 and is rotatably connected to the center of the inner wall of the bottom end of the semicircular discharge hole 17; the arc-shaped block 41 is connected to a lead screw 43 through a lead screw nut pair; during operation, when stirring and broken lithium iron phosphate powder the aluminium foil, semicircular discharge gate 17 can be blockked up by arc piece 41 this moment, is in the closed condition, avoids the outflow of alkali lye, when needing the aluminium foil ejection of compact, rotates lead screw 43 this moment, and then lets arc piece 41 remove to 4 tank bottoms of first recess, opens semicircular discharge gate 17, makes things convenient for the aluminium foil to carry out the ejection of compact.

A sealing layer 45 is fixedly connected to the arc-shaped side wall of the arc-shaped block 41; the sealing layer 45 is made of rubber; the feeding barrel 15 is arranged obliquely upwards, and the discharging barrel 16 is arranged obliquely downwards; during operation, it is sealing layer 45 to establish arc piece 41 bottom, and sealing layer 45 is the rubber material, can be in arc piece 41 and semi-circular discharge gate 17 arc wall contact each other better laminating sealed, and feed cylinder 15 sets up for the slope up simultaneously, makes things convenient for the feeding, goes out feed cylinder 16 and sets up convenient ejection of compact for the slope down.

The working principle is as follows: in the prior art, two process procedures and different operating instruments are generally needed for soaking, stirring, filtering and separating the battery lithium iron phosphate positive plate, and meanwhile, the separation efficiency of the aluminum foil and the lithium iron phosphate positive plate is low, so that a large amount of residual lithium iron phosphate positive material is always on the aluminum foil, the subsequent recovery operation is influenced, and a large amount of transportation waiting time is needed between the two processes and different operating instruments, so that the recovery efficiency of the battery lithium iron phosphate positive plate is greatly reduced, therefore, when the utility model is in operation, firstly, alkali liquor is introduced into the tank body 1 through the feed inlet, then, the cut lithium iron phosphate positive plate is put into the separating cylinder 11 through the feed cylinder 15, the first servo motor 19 is started when the lithium iron phosphate positive plate is put into, the first servo motor 19 rotates to drive the helical blade 21 to rotate, and further, the put lithium iron phosphate positive plate is uniformly distributed forwards, after the lithium iron phosphate is put into the separating cylinder, the lithium iron phosphate positive small pieces are soaked in alkali liquor for 3 to 4 hours, the blanking pipe 18 and the semicircular discharge hole 17 are in a closed state, the first servo motor 19 rotates forwards and backwards, the helical blade 21 drives the lithium iron phosphate positive small pieces to move back and forth in the separating cylinder 11, meanwhile, the first rotating shaft 2 rotates to drive the separating cylinder 11 to rotate through the transmission piece, the first rotating shaft 2, the transmission piece, the helical blade 21 and the ultrasonic generator 22 can be used for stirring and crushing the lithium iron phosphate positive small pieces soaked in the alkali liquor, the lithium iron phosphate powder on the aluminum foil is crushed and separated, the alkali liquor is mixed with each other, the aluminum foil and the lithium iron phosphate powder are completely separated by using the annular filter screen 14 of the separating cylinder 11, the blanking cylinder is opened to discharge the mixed alkali liquor and the lithium iron phosphate powder, meanwhile, the rotation of the first servo motor 19 can drive the separation cylinder 11 to rotate, so that the separation cylinder can utilize centrifugal force to preliminarily dehydrate the aluminum foil, the separation efficiency of the aluminum foil and the lithium iron phosphate powder can be further improved, then the semicircular discharge hole 17 is opened, the aluminum foil can be pushed to move outwards by utilizing the forward rotation of the spiral blade 21, and then discharging is carried out, the soaking, stirring and filtering separation can be operated in the same tank body 1 by utilizing the tank body 1, the transportation waiting time is saved, meanwhile, the lithium iron phosphate powder on the aluminum foil can be completely crushed and separated by utilizing the power of the ultrasonic generator 22 and the spiral blade 21, the separation effect is ensured, and meanwhile, the aluminum foil is preliminarily dehydrated by utilizing the centrifugal force, so that the subsequent operation is convenient; when the first rotating shaft 2 rotates, the first gear 31 and the second gear 32 are meshed with each other, the second gear 32 is meshed with the first annular rack 34, the rotating directions of the helical blade 21 and the separating cylinder 11 are opposite, the lithium iron phosphate positive pole piece is conveniently pushed and stirred back and forth, meanwhile, the rotating speed of the separating cylinder 11 is far lower than that of the helical blade 21 by the aid of rotation of the first gear 31, the second gear 32 and the first annular rack 34, and the separation efficiency of aluminum foil and lithium iron phosphate powder is further improved; the second annular rack 38 and the second gear 32 are meshed with each other, and the third gear 39 is positioned at the inner side of the second annular rack 38, so that the cleaning brush 36 and the annular filter screen 14 of the separation cylinder 11 rotate in the same direction, but rotate oppositely at the position of a contact surface, and the cleaning efficiency of the cleaning brush 36 on the annular filter screen 14 is increased; when stirring and broken lithium iron phosphate powder to the aluminium foil, semi-circular discharge gate 17 can be blockked up by arc piece 41 this moment, is in the closed condition, avoids the outflow of alkali lye, when needs the aluminium foil ejection of compact, rotates lead screw 43 this moment, and then lets arc piece 41 remove to first recess 4 tank bottoms, opens semi-circular discharge gate 17, makes things convenient for the aluminium foil to carry out the ejection of compact.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An ultrasonic roller separation tank for a lithium iron phosphate positive plate of a battery is characterized by comprising a tank body (1); a pair of symmetrically distributed supporting legs is fixedly connected to the bottom end of the tank body (1); a first annular groove (12) is formed in the inner wall of one side of the tank body (1); the separating cylinder (11) is rotationally connected in the first annular groove (12), and the other end of the separating cylinder (11) is rotationally connected to the inner side wall of the tank body (1); a first servo motor (19) is fixedly connected to the side wall of the tank body (1), a first rotating shaft (2) is arranged at the output end of the first servo motor (19), and the first rotating shaft (2) extends into the separating cylinder (11); a feeding cylinder (15) is arranged on the side wall of the tank body (1) positioned on the first servo motor (19), and a semicircular discharging hole (17) is arranged on the side wall of the tank body (1) far away from the feeding cylinder (15) and fixedly connected with a discharging cylinder (16); the feeding cylinder (15), the separating cylinder (11), the semicircular discharge hole (17) and the discharge cylinder (16) are communicated with each other; the first rotating shaft (2) is fixedly connected with a helical blade (21) on the shaft of the separating cylinder (11); a group of ultrasonic generators (22) are fixedly connected to the inner wall of the tank body (1); a blanking pipe (18) is arranged at the center of the bottom end of the tank body (1); the first rotating shaft (2) drives the separating cylinder (11) to rotate through a transmission piece.

2. The ultrasonic drum separation tank for the battery lithium iron phosphate positive plate according to claim 1, wherein the separation tank (11) comprises a pair of annular plates (13) and an annular filter screen (14); an annular filter screen (14) is fixedly connected between the pair of annular plates (13); an annular plate (13) at one end of the annular filter screen (14) is rotatably connected in the first annular groove (12), and an annular plate (13) at the other end of the annular filter screen (14) is rotatably connected on the inner wall of the tank body (1); the transmission piece comprises a first cavity (3); a first cavity (3) is formed in the side wall of the tank body (1), the first cavity (3) is located in the first annular groove (12), and the bottom end of the first cavity (3) is communicated with the first annular groove (12); a first gear (31) is fixedly connected to the first rotating shaft (2) on the shaft of the first cavity (3); a second gear (32) is rotationally connected in the first cavity (3); a second annular groove (33) is formed in the inner annular wall of the annular plate (13) in the first annular groove (12); a first annular rack (34) is fixedly connected in the second annular groove (33); the first gear (31) and the second gear (32) are meshed with each other; the second gear (32) and the first annular rack (34) are meshed with each other.

3. The ultrasonic barrel separation tank for the battery lithium iron phosphate positive plate according to claim 2, characterized in that a cleaning roller (35) is rotatably connected to the side wall of the tank body (1); a group of cleaning brushes (36) is fixedly connected to the cleaning roller (35); the cleaning brush (36) is a soft brush; the cleaning roller (35) is positioned right above the separating cylinder (11).

4. The ultrasonic barrel separation tank for the battery lithium iron phosphate positive plate according to claim 3, characterized in that a second annular rack (38) is fixedly connected to the outer side wall of the annular plate (13) in the first annular groove (12) through a fixing column (37); a third gear (39) is fixedly connected to the end part of the cleaning roller (35); the second annular rack (38) and the third gear (39) are meshed with each other, and the third gear (39) is located inside the second annular rack (38).

5. The ultrasonic roller separation tank for the battery lithium iron phosphate positive plate according to claim 4, characterized in that a first groove (4) is formed on the top end of the inner wall of the semicircular discharge hole (17); an arc-shaped block (41) is connected in the first groove (4) in a sliding manner; a fixed seat (44) is fixedly connected to the top end of the tank body (1), and a second servo motor (42) is fixedly connected to the fixed seat (44); the output end of the second servo motor (42) is provided with a lead screw (43), and the bottom end of the lead screw (43) penetrates through the first groove (4) and the arc-shaped block (41) and is rotatably connected to the center of the inner wall of the bottom end of the semicircular discharge hole (17); the arc-shaped block (41) is connected to the screw rod (43) through a screw rod nut pair.

6. The ultrasonic roller separation tank for the battery lithium iron phosphate positive plate according to claim 5, characterized in that a sealing layer (45) is fixedly connected to the arc-shaped side wall of the arc-shaped block (41); the sealing layer (45) is made of rubber; the feeding barrel (15) is arranged obliquely upwards, and the discharging barrel (16) is arranged obliquely downwards.