CN217450854U - Automatic screening of lithium iron phosphate removes integrative equipment of magnetism - Google Patents

Abstract

The utility model relates to a lithium battery material demagnetizing equipment technical field, concretely relates to lithium iron phosphate automatic screening and demagnetizing integrated equipment, which comprises a demagnetizing tank and a support frame, wherein the demagnetizing tank is arranged on the support frame, the bottom of the support frame is fixedly connected with a plurality of support columns, the upper end of the demagnetizing tank is provided with a feed inlet, the lower end of the demagnetizing tank is provided with a feed opening, and one side of the feed opening is fixedly connected with a slag discharge opening; the middle position in the interior of the demagnetizing tank is rotatably connected with an electromagnetic screen, and the middle position in the interior of the discharging port is rotatably connected with a baffle; the utility model can realize the automatic screening and demagnetizing of lithium iron phosphate products, and can recover screened oversize materials and demagnetizing materials; the screening of prior art and remove magnetism and accomplish by independent equipment, and then influenced production efficiency and used the finished product, and the utility model discloses very big promotion the screening of lithium iron phosphate product remove magnetism efficiency.

Description

Automatic screening of lithium iron phosphate removes integrative equipment of magnetism

Technical Field

The utility model relates to a lithium electricity material removes magnetism equipment technical field, concretely relates to automatic screening of lithium iron phosphate removes integrative equipment of magnetism.

Background

The lithium ion battery using the lithium iron phosphate as the positive active material mainly comprises lithium cobalt oxide, lithium manganese oxide, lithium nickel cobalt manganese oxide and lithium iron phosphate, and has the advantages of rich raw material sources, low price, excellent high-temperature cycle performance, excellent safety performance and the like, so the lithium ion battery using the lithium iron phosphate as the positive active material has the greatest development prospect.

At present, the normal processing and electrical performance exertion of a battery end can be met only by screening and demagnetizing the lithium iron phosphate finished product which is industrialized. The screening and the demagnetization of mainstream are accomplished by independent equipment, greatly influence production efficiency and use the finished product, so provide a screening and demagnetization all-in-one for lithium iron phosphate, the screening of very big promotion lithium iron phosphate product demagnetizes efficiency.

Disclosure of Invention

The utility model aims at providing an automatic screening of lithium iron phosphate removes integrative equipment of magnetism, can realize the automatic screening of lithium iron phosphate product and remove magnetism through this equipment, can retrieve the oversize thing after the screening and remove the magnetism material simultaneously.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the device comprises a demagnetizing tank and a support frame, wherein the demagnetizing tank is arranged on the support frame, the bottom of the support frame is fixedly connected with a plurality of support columns, the upper end of the demagnetizing tank is provided with a feed inlet, the lower end of the demagnetizing tank is provided with a feed outlet, and one side of the feed outlet is fixedly connected with a slag discharge outlet; remove magnetism and irritate inside middle part position and rotate and be connected with electromagnetic screen, electromagnetic screen can sieve and remove magnetism to the lithium iron phosphate product, the middle part position rotation in the feed opening is connected with the baffle, can retrieve respectively to oversize thing and demagnetizing material under baffle and the electromagnetic screen mutually support.

And a through hole is formed in the circumferential surface of the middle part of the magnetism removing tank, a fixing frame is fixedly connected to the circumferential surface of the bottom position in the magnetism removing tank, and a penetrating hole is formed in the circumferential surface of the middle part of the feed opening.

The electromagnetic screen comprises a circular frame and a screen, a supporting rod is fixedly connected to the circumferential surface of the circular frame, a first overturning machine and a power supply interface are respectively connected to the supporting rod after the supporting rod rotates to penetrate through the through hole, the first overturning machine and the power supply interface are fixedly connected to the circumferential surface of the demagnetizing tank, the first overturning machine can overturn the electromagnetic screen, manual operation is avoided, and automatic application is achieved;

the round frame is provided with a soft rubber ring which can prevent the electromagnetic screen from being damaged by direct friction in the demagnetizing tank when the electromagnetic screen is turned over.

And, fixedly connected with rotary rod on the baffle circumference surface, rotary rod rotates to run through penetrating hole back one end and is connected with upset machine two, and upset machine two can overturn the baffle in real time.

The fixed frame is provided with a motor, an output shaft of the motor penetrates through the fixed frame and is connected with a rotating shaft, and the rotating shaft is provided with a second sliding groove;

the rotating shaft is connected with a connecting shaft in a sliding manner, the connecting shaft is fixedly connected with an auger and is a hollow pipe, a second sliding strip is arranged on the inner wall of the connecting shaft and is matched with the second sliding groove, and the motor can drive the auger to rotate due to the design of the second sliding strip and the second sliding groove;

the packing auger and the connecting shaft are fixedly connected with a tray, and the tray is fixedly connected with a plurality of connecting rods.

The bottom of the fixing frame is fixedly connected with a sliding pipe, a first sliding strip is arranged on the sliding pipe, and the bottom of the sliding pipe is fixedly connected with a limiting bottom ring;

the sliding pipe is connected with a lifting piece in a sliding mode.

The lifting piece comprises a fixing ring, a telescopic rod and a pull disc, a first sliding groove is formed in the inner surface of the fixing ring, the fixing ring is connected to the sliding pipe in a sliding mode, the first sliding groove is matched with the first sliding strip, and the first sliding groove and the first sliding strip are designed to prevent the lifting piece from rotating on the sliding pipe;

the telescopic rods are fixedly connected to the outer surface of the fixing ring, a plurality of groups of telescopic rods are arranged on the telescopic rods and are distributed at equal intervals in a circumferential mode, the end part of a piston rod at the top end of each telescopic rod is rotatably connected with a roller, the roller is connected with the lower part of the inner wall of the demagnetizing tank in a rolling mode, and the roller rolls on the surface of the lower part of the inner wall of the demagnetizing tank when the telescopic rods do telescopic motion, so that the lifting piece integrally floats up and down;

the pull disc is fixedly connected to the circumferential surface of the piston cylinder of the telescopic rod, the bottom of the pull disc is fixedly connected with the upper end of the connecting rod, and the auger and the connecting shaft move synchronously when the lifting piece integrally floats up and down.

The end part of the piston rod at the top end of the telescopic rod is also fixedly connected with a fixed plate, one side of the fixed plate, which is far away from the telescopic rod, is rotatably connected with a connecting plate, the other end of the connecting plate is rotatably connected with a scraper, and the scraper is of a telescopic elastic soft structure;

a push rod is rotatably connected to the fixed plate and below the connecting plate, the piston end of the push rod is rotatably connected with the connecting plate, and when the lifting piece rises, the push rod extends to lift the scraper so that the scraper is disconnected from the lower surface of the inner wall of the demagnetizing tank;

the two ends of the scraper are respectively connected with the other two adjacent scrapers, and the scrapers automatically shrink when the lifting piece is lifted, so that the scrapers change around a circle formed by the scrapers along with the lower part of the inner wall of the demagnetizing tank.

The utility model has the advantages that:

1. the utility model can realize the automatic screening and demagnetizing of lithium iron phosphate products, and can recover screened oversize materials and demagnetizing materials; the screening and the demagnetization of the prior art are completed by independent equipment, so that the production efficiency and the use of finished products are influenced, and the screening and the demagnetization efficiency of lithium iron phosphate products are greatly improved; the utility model is not only simple in operation, low cost moreover.

2. In the utility model, the demagnetizing operation is carried out on the lithium iron phosphate product through the electromagnetic screen, magnetic materials and large-particle materials are screened on the electromagnetic screen, and the demagnetized materials directly fall from the feed opening and are collected; the screened magnetic materials and large-particle materials fall on the baffle after the electromagnetic screen is turned over and the magnetism is cut off, and then are collected from the slag charge port under the rotation of the auger.

3. The utility model discloses in can overturn to electromagnetic screen through the operation of upset machine one, realize the screening of magnetic material under the magnetic on-off magnetism of electromagnetic screen, upset machine two helps the work of cooperation upset machine one and electromagnetic screen to carry out the collection respectively of magnetic material and non-magnetic material.

4. The utility model discloses in can irritate the adnexed material in bottom inclined plane to clear up except that magnetism under the cooperation operation of lifting member and scraper blade to the oscilaltion at every turn of lifting member drives the auger and reciprocates, so that let the baffle have the space of upset.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the magnetic irrigation device of the present invention;

fig. 3 is a schematic sectional structure of the present invention;

FIG. 4 is an exploded view of the electromagnetic screen, the fixing frame, the motor, the lifting member, the scraper, the auger and the baffle of the present invention;

FIG. 5 is an exploded view of the electromagnetic screen, the fixing frame, the motor, the lifting member, the scraper, the packing auger and the baffle of the present invention in another state;

fig. 6 is a schematic view of a combined structure of the middle fixing frame and the motor of the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 6;

FIG. 8 is a schematic view of the combined structure of the lifting member and the scraper of the present invention;

FIG. 9 is an enlarged view of portion B of FIG. 8;

FIG. 10 is a schematic view of a partial structure of the lifting member of the present invention;

FIG. 11 is an enlarged view of portion C of FIG. 10;

FIG. 12 is a schematic view of the construction of the packing auger of the present invention;

FIG. 13 is an enlarged view of portion D of FIG. 12;

in the figure: 1. removing the magnetic field; 11. a feed inlet; 12. a feeding port; 13. a slag discharge port; 2. a support frame; 21. a support pillar; 3. an electromagnetic screen; 31. a support bar; 32. a soft rubber ring; 33. a first turnover machine; 34. a power interface; 4. a baffle plate; 41. rotating the rod; 42. a second turnover machine; 5. a fixed mount; 51. a slide pipe; 52. a first slide bar; 53. a limiting bottom ring; 6. a motor; 61. a rotating shaft; 62. a second chute; 7. a lifting member; 71. a fixing ring; 72. a telescopic rod; 73. a first sliding chute; 74. pulling the disc; 75. a fixing plate; 76. a roller; 77. a connecting plate; 78. a push rod; 8. a squeegee; 9. a packing auger; 91. a connecting shaft; 92. a second slide bar; 93. a tray; 94. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-3, an automatic screening and demagnetizing integrated device for lithium iron phosphate comprises a demagnetizing tank 1 and a support frame 2, wherein the demagnetizing tank 1 is arranged on the support frame 2, the bottom of the support frame 2 is fixedly connected with a plurality of support columns 21, a feeding port 11 is arranged at the upper end of the demagnetizing tank 1, a discharging port 12 is arranged at the lower end of the demagnetizing tank 1, and a slag discharging port 13 is fixedly connected to one side of the discharging port 12; remove magnetism and irritate 1 inside middle part position and rotate and be connected with electromagnetic screen 3, electromagnetic screen 3 can sieve the lithium iron phosphate product and remove magnetism, and the inside middle part position of feed opening 12 rotates and is connected with baffle 4, can retrieve respectively to oversize material and except that magnetism material under baffle 4 and the electromagnetic screen 3 mutually support.

Example 2

As shown in fig. 1-13, an improvement is made on the basis of embodiment 1, and an automatic screening and demagnetizing integrated device for lithium iron phosphate comprises a demagnetizing tank 1 and a support frame 2, wherein the demagnetizing tank 1 is installed on the support frame 2, the bottom of the support frame 2 is fixedly connected with a plurality of support columns 21, the upper end of the demagnetizing tank 1 is provided with a feed inlet 11, the lower end of the demagnetizing tank 1 is provided with a feed outlet 12, and one side of the feed outlet 12 is fixedly connected with a slag discharge port 13; remove magnetism and irritate 1 inside middle part position and rotate and be connected with electromagnetic screen 3, electromagnetic screen 3 can sieve the lithium iron phosphate product and remove magnetism, and the inside middle part position of feed opening 12 rotates and is connected with baffle 4, can retrieve respectively to oversize material and except that magnetism material under baffle 4 and the electromagnetic screen 3 mutually support.

Preferably, a through hole is formed in the circumferential surface of the middle of the magnetism removing tank 1, the fixed frame 5 is fixedly connected to the circumferential surface of the bottom position in the magnetism removing tank 1, and a penetrating hole is formed in the circumferential surface of the middle of the feed opening 12.

Preferably, the electromagnetic screen 3 comprises a circular frame and a screen, a support rod 31 is fixedly connected to the circumferential surface of the circular frame, the support rod 31 is respectively connected with a first tilter 33 and a power supply interface 34 after rotating to penetrate through the through hole, the first tilter 33 and the power supply interface 34 are fixedly connected to the circumferential surface of the demagnetizing tank 1, and the first tilter 33 can overturn the electromagnetic screen 3, so that manual operation is avoided, and automatic application is realized;

the round frame is provided with a soft rubber ring 32, and the soft rubber ring 32 can prevent the electromagnetic screen 3 from being damaged by direct friction with the inside of the demagnetizing tank 1 when being overturned.

Preferably, a rotating rod 41 is fixedly connected to the circumferential surface of the baffle 4, and a second tilter 42 is connected to one end of the rotating rod 41 after the rotating rod rotates to penetrate through the penetrating hole.

Preferably, the fixed frame 5 is provided with a motor 6, an output shaft of the motor 6 penetrates through the fixed frame 5 and then is connected with a rotating shaft 61, and the rotating shaft 61 is provided with a second sliding groove 62;

the rotating shaft 61 is connected with a connecting shaft 91 in a sliding manner, the packing auger 9 is fixedly connected to the connecting shaft 91, the connecting shaft 91 is a hollow pipe, a second slide bar 92 is arranged on the inner wall of the connecting shaft 91, the second slide bar 92 is matched with the second sliding chute 62, and the design of the second slide bar 92 and the second sliding chute 62 can enable the motor 6 to drive the packing auger 9 to rotate;

the packing auger 9 and the connecting shaft 91 are fixedly connected with a tray 93, and the tray 93 is fixedly connected with a plurality of connecting rods 94.

Preferably, the bottom of the fixed frame 5 is fixedly connected with a sliding tube 51, a first sliding strip 52 is arranged on the sliding tube 51, and the bottom of the sliding tube 51 is fixedly connected with a limiting bottom ring 53;

the sliding tube 51 is connected with a lifting piece 7 in a sliding way.

Preferably, the lifting member 7 comprises a fixed ring 71, an expansion rod 72 and a pull disc 74, a first sliding groove 73 is formed in the inner surface of the fixed ring 71, the fixed ring 71 is slidably connected to the sliding tube 51, the first sliding groove 73 is matched with the first sliding strip 52, and the first sliding groove 73 and the first sliding strip 52 are designed to prevent the lifting member 7 from rotating on the sliding tube 51;

the telescopic rods 72 are fixedly connected to the outer surface of the fixing ring 71, a plurality of groups of telescopic rods 72 are arranged on the telescopic rods 72, the groups of telescopic rods 72 are distributed in a circumferential equidistant mode, the end part of a piston rod at the top end of the telescopic rod 72 is rotatably connected with a roller 76, the roller 76 is in rolling connection with the lower part of the inner wall of the demagnetizing tank 1, the roller 76 rolls on the surface of the lower part of the inner wall of the demagnetizing tank 1 when the telescopic rods 72 do telescopic motion, and therefore the lifting piece 7 can float up and down integrally;

the pull disc 74 is fixedly connected to the circumferential surface of the piston cylinder of the telescopic rod 72, the bottom of the pull disc 74 is fixedly connected with the upper end of the connecting rod 94, and the packing auger 9 and the connecting shaft 91 move synchronously when the lifting piece 7 floats up and down integrally.

Preferably, the end of the piston rod at the top end of the telescopic rod 72 is further fixedly connected with a fixing plate 75, one side of the fixing plate 75, which is far away from the telescopic rod 72, is rotatably connected with a connecting plate 77, the other end of the connecting plate 77 is rotatably connected with a scraper 8, and the scraper 8 is of a telescopic elastic soft structure;

a push rod 78 is rotatably connected to the fixing plate 75 and below the connecting plate 77, the piston end of the push rod 78 is rotatably connected to the connecting plate 77, and when the lifting piece 7 rises, the push rod 78 extends to lift the scraper 8, so that the scraper 8 is disconnected from the contact with the lower surface of the inner wall of the demagnetizing tank 1;

the two ends of the scraper 8 are respectively connected with the other two adjacent scrapers 8, and the scrapers 8 automatically shrink when the lifting piece 7 is lifted, so that the circles formed by the scrapers 8 around the inner wall of the demagnetizing tank 1 change.

The utility model discloses a theory of operation: after the power interface 34 is powered on, the electromagnetic screen 3 obtains 8000-; then the second turnover machine 42 is started to turn over the baffle 4 by 90 degrees, then the telescopic rod 72 is instructed to retract, the scraping plate 8 always rubs with the bottom surface of the inner wall of the demagnetizing tank 1 in the retracting process, the fixing ring 71 slides downwards on the sliding pipe 51 to scrape the demagnetizing materials on the bottom surface of the inner wall of the demagnetizing tank 1 onto the baffle 4, then the telescopic rod 72 is instructed to extend out to lift the packing auger 9 to a certain height, the baffle 4 is turned over again to be vertical, the demagnetizing materials on the baffle are recovered, and when the telescopic rod 72 extends out of the lifting piece 7 to ascend, the scraping plate 8 is lifted up through the push rod 78, so that the lifting piece 7 can ascend; after the recovery of the demagnetized materials is finished, the first turnover machine 33 and the second turnover machine 42 are started to respectively turn over the electromagnetic screen 3 to be in a vertical state and the baffle 4 to be in a longitudinal state, the power supply of the power supply interface 34 is cut off to disable the magnetism of the electromagnetic screen 3, then large-particle materials and magnetic materials on the electromagnetic screen 3 fall on the baffle 4, then the telescopic rod 72 is instructed to start to retract, the scraper 8 always rubs against the bottom surface of the inner wall of the demagnetizing tank 1 in the retracting process, the fixing ring 71 slides downwards on the sliding pipe 51 to scrape the magnetic materials on the bottom surface of the inner wall of the demagnetizing tank 1 onto the baffle 4, the motor 6 is started to rotate the packing auger 9, the materials on the baffle 4 are stirred in the rotating and descending process of the packing auger 9, after the packing auger 9 descends to the range of the slag discharge port 13, the materials on the baffle 4 are discharged and recovered from the slag discharge port 13 and stop until the bottom of the packing auger 9 is very close to the baffle 4, the auger 9 rotates until the material is discharged.

As is well known to those skilled in the art, the working principle or wiring of the motor 6, the telescopic rod 72, the push rod 78, the first upender 33, the second upender 42 and the electromagnetic screen 3 is conventional or common knowledge, and will not be described herein again, and those skilled in the art can optionally select and match the electromagnetic screen according to their needs or convenience.

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

Claims (8)

1. The utility model provides an integrative equipment of magnetism is removed in automatic screening of lithium iron phosphate, includes that it irritates (1) and support frame (2) to remove magnetism, its characterized in that: the demagnetizing tank (1) is arranged on the support frame (2), the bottom of the support frame (2) is fixedly connected with a plurality of support columns (21), the upper end of the demagnetizing tank (1) is provided with a feed inlet (11), the lower end of the demagnetizing tank is provided with a feed opening (12), and one side of the feed opening (12) is fixedly connected with a slag discharge opening (13); the electromagnetic filter is characterized in that an electromagnetic screen (3) is rotatably connected to the middle position inside the demagnetizing tank (1), and a baffle (4) is rotatably connected to the middle position inside the feed opening (12).

2. The automatic screening and magnetism removing integrated equipment for lithium iron phosphate according to claim 1, characterized in that: the magnetic removing pot is characterized in that a through hole is formed in the circumferential surface of the middle of the magnetic removing pot (1), a fixing frame (5) is fixedly connected to the circumferential surface of the bottom inside the magnetic removing pot (1), and a penetrating hole is formed in the circumferential surface of the middle of the discharging opening (12).

3. The automatic screening and magnetism removing integrated equipment for lithium iron phosphate according to claim 2, characterized in that: the electromagnetic screen (3) comprises a circular frame and a screen, a supporting rod (31) is fixedly connected to the circumferential surface of the circular frame, a first overturning machine (33) and a power supply interface (34) are respectively connected to the supporting rod (31) after the supporting rod (31) rotates to penetrate through the through hole, and the first overturning machine (33) and the power supply interface (34) are fixedly connected to the circumferential surface of the demagnetizing tank (1);

the round frame is provided with a soft rubber ring (32).

4. The automatic screening and magnetism removing integrated equipment for lithium iron phosphate according to claim 2, characterized in that: the baffle (4) circumference surface on fixedly connected with rotary rod (41), rotary rod (41) rotate and run through behind the through-hole one end be connected with upset machine two (42).

5. The automatic screening and demagnetizing integrated equipment for lithium iron phosphate according to claim 2, characterized in that: a motor (6) is arranged on the fixed frame (5), an output shaft of the motor (6) penetrates through the fixed frame (5) and then is connected with a rotating shaft (61), and a second sliding groove (62) is formed in the rotating shaft (61);

the rotating shaft (61) is connected with a connecting shaft (91) in a sliding mode, the connecting shaft (91) is fixedly connected with a packing auger (9), the connecting shaft (91) is a hollow pipe, a second sliding strip (92) is arranged on the inner wall of the connecting shaft (91), and the second sliding strip (92) is matched with the second sliding groove (62);

the packing auger (9) and the connecting shaft (91) are fixedly connected with a tray (93), and the tray (93) is fixedly connected with a plurality of connecting rods (94).

6. The automatic screening and magnetism removing integrated equipment for lithium iron phosphate according to claim 5, characterized in that: the bottom of the fixed frame (5) is fixedly connected with a sliding pipe (51), a first sliding strip (52) is arranged on the sliding pipe (51), and the bottom of the sliding pipe (51) is fixedly connected with a limiting bottom ring (53);

the sliding pipe (51) is connected with a lifting piece (7) in a sliding way.

7. The automatic screening and magnetism removing integrated equipment for lithium iron phosphate according to claim 6, characterized in that: the lifting piece (7) comprises a fixing ring (71), a telescopic rod (72) and a pull disc (74), a first sliding groove (73) is formed in the inner surface of the fixing ring (71), the fixing ring (71) is connected to the sliding pipe (51) in a sliding mode, and the first sliding groove (73) is matched with the first sliding strip (52);

the telescopic rods (72) are fixedly connected to the outer surface of the fixing ring (71), a plurality of groups of telescopic rods (72) are arranged on the telescopic rods (72) and are distributed in a circumferential equidistant mode, the end part of a piston rod at the top end of each telescopic rod (72) is rotatably connected with a roller (76), and the roller (76) is in rolling connection with the lower part of the inner wall of the demagnetizing tank (1);

the pull disc (74) is fixedly connected to the circumferential surface of the piston cylinder of the telescopic rod (72), and the bottom of the pull disc (74) is fixedly connected with the upper end of the connecting rod (94).

8. The automatic screening and magnetism removing integrated equipment for lithium iron phosphate according to claim 7, characterized in that: the end part of the piston rod at the top end of the telescopic rod (72) is also fixedly connected with a fixing plate (75), one side of the fixing plate (75) far away from the telescopic rod (72) is rotatably connected with a connecting plate (77), the other end of the connecting plate (77) is rotatably connected with a scraper (8), and the scraper (8) is of a telescopic elastic soft structure;

a push rod (78) is rotatably connected to the fixing plate (75) and positioned below the connecting plate (77), and the piston end of the push rod (78) is rotatably connected with the connecting plate (77);

and two ends of the scraper (8) are respectively connected with the other two adjacent scrapers (8).

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