Lithium iron phosphate pole piece powder removing device

Abstract

The utility model discloses a lithium iron phosphate pole piece powder removing device which comprises a processing box, a medicine adding opening is formed in the upper end of the processing box, a liquid discharging opening is formed in the surface of the front end of the processing box, a smashing box is arranged above the processing box, a feeding opening is formed in the upper end of the smashing box, and supporting legs are arranged at the four corners of the bottom end of the smashing box. An extrusion device is arranged in the crushing box, a crushing device is arranged below the extrusion device, supporting rods are arranged on the two sides of the crushing device, the supporting rods are fixedly connected with the crushing box, a collecting pipe is arranged below the crushing device, a conveying pipe is arranged at the bottom end of the collecting pipe, and the bottom end of the conveying pipe is located in the treatment box; according to the lithium iron phosphate pole piece powder removing device, the powder removing effect is better, dust can be absorbed, and the pole piece can be crushed.

Description

Technical Field

[0001] The utility model relates to the technical field of battery processing and discloses a lithium iron phosphate pole piece powder removal device. Background Art

[0002] With the continuous development of electric vehicles, the performance of batteries is also constantly improving. When the batteries of electric vehicles are replaced, the retired batteries are usually recycled so that the retired batteries can be recycled and reused. Batteries are usually connected to electronic components by setting positive and negative electrodes. When recycling batteries, the powder on the electrodes needs to be removed.

[0003] The patent number CN218039417U in the prior art introduces a battery pole piece powder desorption device, including: a solvent pool, the solvent pool is filled with a solvent for reacting with the powder; a roller assembly is arranged above the solvent pool, at least a part of the roller assembly is immersed in the solvent, one end of the roller assembly is connected to the feed port, and the other end of the roller assembly is connected to the discharge port; the side wall of the roller assembly is provided with a plurality of mesh holes, the mesh holes are used to connect the inside of the roller assembly with the solvent pool, the inner wall of the roller assembly is provided with a spiral guide groove, the spiral guide groove is used to guide the battery pole piece from the feed port to the discharge port; a driving device, the driving device is used to drive the roller assembly to rotate. The battery pole piece powder removal device disclosed in the utility model can realize the continuous separation of the powder in the pole piece, so that the powder can be better removed and the production efficiency can be improved.

[0004] However, the patents in the prior art have the following disadvantages:

[0005] (1) When the prior art is used, the powder removal is only carried out by solvent, which is not ideal, and some thick powder will still remain on the electrode.

[0006] (2) When the patent in the prior art is used, the electrode piece often needs to be crushed before it is de-powdered. The prior art is unable to crush the electrode piece. Utility Model Content

[0007] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a lithium iron phosphate pole piece de-powdering device which not only has a better de-powdering effect and can absorb dust, but also can crush the pole piece.

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions: a lithium iron phosphate electrode powder removal device, comprising a processing box, a dosing port is provided at the upper end of the processing box, a drainage port is provided on the front end surface of the processing box, a crushing box is provided above the processing box, a feeding port is provided at the upper end of the crushing box, support legs are provided at the four corners of the bottom end of the crushing box, an extrusion device is provided inside the crushing box, a crushing device is provided below the extrusion device, support rods are provided on both sides of the crushing device, the support rods are fixedly connected to the crushing box, a collecting pipe is provided below the crushing device, a conveying pipe is provided at the bottom end of the collecting pipe, the bottom end of the conveying pipe is located inside the processing box, a conveying auger is rotatably connected inside the conveying pipe, and an exhaust fan is provided at the upper end of the crushing box.

[0009] Furthermore, the extrusion device includes a first rotating drum, a second rotating drum is provided at the rear side of the first rotating drum, and both left and right ends of the first rotating drum and the second rotating drum are rotatably connected to a crushing box.

[0010] Furthermore, the first rotating drum and the second rotating drum are respectively provided with a first gear and a second gear at the left ends, the first gear meshes with the second gear, and the first rotating drum is connected to a first motor at the right end, and the first motor is fixedly connected to a crushing box.

[0011] Furthermore, the crushing device includes a second motor, the second motor is fixedly connected to the support rod, a second rotating shaft is provided at the lower end of the second motor, and a plurality of evenly distributed blades are provided on the surface of the second rotating shaft.

[0012] Furthermore, the surface of the conveying pipe is provided with a plurality of evenly distributed liquid inlet holes, the left end of the conveying pipe is provided with a third motor, one end of the third motor is fixedly connected to a conveying auger, the right end of the conveying pipe is provided with a discharge port, and the surface of the conveying auger is provided with a plurality of evenly distributed through holes.

[0013] Furthermore, an exhaust pipe is provided at the upper end of the exhaust fan, a collecting cover is provided at one end of the exhaust pipe, the collecting cover is located above the feed inlet, and a dust exhaust pipe is provided at the rear end of the exhaust fan.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] (1) The utility model solves the problem that the existing electrode powder removal device has a single powder removal structure and an unsatisfactory powder removal effect by providing an extrusion device. The first motor can drive the first rotating drum to rotate. The rotation of the first rotating drum drives the second rotating drum to rotate in the opposite direction through the first gear and the second gear, thereby squeezing the electrode between the two rotating drums to achieve the first powder removal, which greatly improves the powder removal effect.

[0016] (2) The utility model solves the problem that the existing pole piece powder removal device cannot crush the pole piece by providing a crushing device. The second motor can drive the blade to rotate through the second rotating shaft to cut the pole piece into pieces, thereby achieving the crushing of the pole piece.

[0017] (3) The utility model is provided with an exhaust fan, which can suck dust into the exhaust pipe through the collection cover and finally discharge it outside the device, thereby preventing dust from floating out from the feed inlet and causing harm to the human body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional structural schematic diagram of a lithium iron phosphate pole piece powder removal device of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of a lithium iron phosphate pole piece powder removal device from another angle of the utility model;

[0020] Figure 3 This is a top view of a lithium iron phosphate pole piece powder removal device of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of a conveying pipe of a lithium iron phosphate pole piece powder removal device of the utility model;

[0022] Figure 5 The utility model is a lithium iron phosphate pole piece powder removal device Figure 1 Enlarged view of point A in the middle;

[0023] Among them: 1. treatment box; 101. dosing port; 102. discharge port; 2. crushing box; 201. feed port; 202. support leg; 203. support rod; 3. extrusion device; 301. first rotating drum; 302. second rotating drum; 303. first gear; 304. second gear; 305. first motor; 4. crushing device; 401. second motor; 402. second rotating shaft; 403. blade; 5. collection pipe; 6. conveying pipe; 601. liquid inlet hole; 602. discharge port; 7. conveying auger; 701. third motor; 702. through hole; 8. exhaust fan; 801. exhaust pipe; 802. collection cover; 803. dust exhaust pipe. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5A lithium iron phosphate pole piece de-powdering device comprises a processing box 1, a dosing port 101 is provided at the upper end of the processing box 1, and a solvent can be added into the processing box 1 through the dosing port 101, a liquid discharge port 102 on the front end surface of the processing box 1 is used to discharge waste liquid, a crushing box 2 is provided above the processing box 1, a feed port 201 is provided at the upper end of the crushing box 2, pole pieces can be added into the crushing box 2 through the feed port 201, support legs 202 are provided at the four corners of the bottom end of the crushing box 2, and an extrusion device 3 is provided inside the crushing box 2, and the pole piece can be preliminarily de-powdered, a crushing device 4 is provided below the extrusion device 3, and the pole piece can be crushed, and support rods 203 are provided on both sides of the crushing device 4, and the support rods 203 are fixedly connected to the crushing box 2, and the crushing device 4 can be fixedly connected to the crushing box 2. It is fixed inside the crushing box 2, and there is a collecting pipe 5 below the crushing device 4. There is a conveying pipe 6 at the bottom of the collecting pipe 5. The collecting pipe 5 can collect the broken electrode pieces and introduce them into the conveying pipe 6. The bottom end of the conveying pipe 6 is located inside the processing box 1. The conveying pipe 6 is rotatably connected with a conveying auger 7 to convey the electrode pieces to the right. There is an exhaust fan 8 at the upper end of the crushing box 2, and an exhaust pipe 801 is arranged at the upper end of the exhaust fan 8. A collecting cover 802 is arranged at one end of the exhaust pipe 801. The collecting cover 802 is located above the feed port 201. There is a dust exhaust pipe 803 at the rear end of the exhaust fan 8. The exhaust fan 8 can suck the dust into the exhaust pipe 801 through the collecting cover 802, and finally the dust is discharged out of the device through the dust exhaust pipe 803 to prevent the dust from floating out from the feed port 201 and causing harm to the human body.

[0026] Specifically, the extrusion device 3 includes a first rotating drum 301, a second rotating drum 302 is arranged on the rear side of the first rotating drum 301, and there is a gap between the two rotating drums. The left and right ends of the first rotating drum 301 and the second rotating drum 302 are both rotatably connected to the crushing box 2. The left ends of the first rotating drum 301 and the second rotating drum 302 respectively have a first gear 303 and a second gear 304. The first gear 303 engages with the second gear 304, and the first gear 303 will drive the second gear 304 to rotate together. The right end of the first rotating drum 301 is connected to a first motor 305, and the first motor 305 can control the rotation of the first rotating drum 301. The first motor 305 is fixedly connected to the crushing box 2.

[0027] Through the above technical solution, the first motor 305 can drive the first rotating drum 301 to rotate. The rotation of the first rotating drum 301 drives the second rotating drum 302 to rotate in the opposite direction through the first gear 303 and the second gear 304, thereby squeezing the pole piece between the two rotating drums to achieve powder removal.

[0028] Specifically, the crushing device 4 includes a second motor 401, which is fixedly connected to the support rod 203. The second motor 401 has a second rotating shaft 402 at its lower end. The second motor 401 can control the second rotating shaft 402 to rotate. The surface of the second rotating shaft 402 has a plurality of evenly distributed blades 403.

[0029] Through the above technical solution, starting the second motor 401 can drive the blade 403 to rotate and break the pole piece.

[0030] Specifically, the surface of the conveying pipe 6 has a number of evenly distributed liquid inlet holes 601, which can allow the solvent inside the processing box 1 to enter the conveying pipe 6. The left end of the conveying pipe 6 has a third motor 701, and one end of the third motor 701 is fixedly connected to the conveying auger 7. The right end of the conveying pipe 6 has a discharge port 602 for discharging the pole piece after de-powdering. The surface of the conveying auger 7 has a number of evenly distributed through holes 702, which can allow the solvent to pass through to prevent the solvent from being carried out.

[0031] Through the above technical solution, the third motor 701 drives the conveying auger 7 to rotate, and conveys the pole piece from the left end of the conveying pipe 6 to the discharge port 602. During the conveying process, the powder on the pole piece reacts with the solvent to complete the de-powdering.

[0032] When in use, the pole pieces are poured into the crushing box 2 from the feed port 201, and the first motor 305 drives the first rotating drum 301 to rotate. The first rotating drum 301 rotates through the first gear 303 and the second gear 304 to drive the second rotating drum 302 to rotate in the opposite direction, thereby squeezing the pole pieces between the two rotating drums to achieve preliminary powder removal. Subsequently, the second motor 401 drives the blade 403 to rotate to break the pole pieces. The broken pole pieces enter the conveying pipe 6 through the collecting pipe 5, and the powder on the pole pieces reacts with the solvent to complete the powder removal. Finally, the third motor 701 drives the conveying auger 7 to rotate to convey the pole pieces from the left end of the conveying pipe 6 to the discharge port 602.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A lithium iron phosphate electrode powder removal device, comprising a processing box (1), characterized in that: The upper end of the processing box (1) is provided with a dosing port (101), the front end surface of the processing box (1) is provided with a liquid discharge port (102), a crushing box (2) is provided above the processing box (1), the upper end of the crushing box (2) is provided with a material inlet (201), the four corners of the bottom end of the crushing box (2) are provided with support legs (202), an extrusion device (3) is provided inside the crushing box (2), a crushing device (4) is provided below the extrusion device (3), support rods (203) are provided on both sides of the crushing device (4), the support rods (203) are fixedly connected to the crushing box (2), a collecting pipe (5) is provided below the crushing device (4), a conveying pipe (6) is provided at the bottom end of the collecting pipe (5), the bottom end of the conveying pipe (6) is located inside the processing box (1), a conveying auger (7) is rotatably connected inside the conveying pipe (6), and an exhaust fan (8) is provided at the upper end of the crushing box (2).

2. A lithium iron phosphate pole piece powder removal device according to claim 1, characterized in that: The extrusion device (3) comprises a first rotating drum (301), a second rotating drum (302) being arranged at the rear side of the first rotating drum (301), and the left and right ends of the first rotating drum (301) and the second rotating drum (302) are both rotatably connected to the crushing box (2).

3. A lithium iron phosphate pole piece powder removal device according to claim 2, characterized in that: The first rotating drum (301) and the second rotating drum (302) are respectively provided with a first gear (303) and a second gear (304) at their left ends, the first gear (303) meshes with the second gear (304), the first rotating drum (301) is connected to a first motor (305) at its right end, and the first motor (305) is fixedly connected to the crushing box (2).

4. A lithium iron phosphate pole piece powder removal device according to claim 1, characterized in that: The crushing device (4) comprises a second motor (401), the second motor (401) is fixedly connected to the support rod (203), a second rotating shaft (402) is provided at the lower end of the second motor (401), and a plurality of evenly distributed blades (403) are provided on the surface of the second rotating shaft (402).

5. A lithium iron phosphate pole piece powder removal device according to claim 1, characterized in that: The surface of the conveying pipe (6) is provided with a plurality of evenly distributed liquid inlet holes (601), the left end of the conveying pipe (6) is provided with a third motor (701), one end of the third motor (701) is fixedly connected to the conveying auger (7), the right end of the conveying pipe (6) is provided with a discharge port (602), and the surface of the conveying auger (7) is provided with a plurality of evenly distributed through holes (702).

6. A lithium iron phosphate pole piece powder removal device according to claim 1, characterized in that: An exhaust pipe (801) is provided at the upper end of the exhaust fan (8), a collection cover (802) is provided at one end of the exhaust pipe (801), the collection cover (802) is located above the feed inlet (201), and a dust exhaust pipe (803) is provided at the rear end of the exhaust fan (8).

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