Lithium battery anode and cathode material recovery device

Abstract

The utility model discloses a lithium battery anode and cathode material recovery device, and relates to the technical field of lithium battery recovery. The device comprises a bottom plate, one side of the top of the bottom plate is fixedly connected with a frame, and the other side of the top of the bottom plate is provided with a conveying bin; a separation assembly is arranged in an inner cavity of the frame and comprises transverse plates, and the transverse plates are fixedly connected to the two sides of the inner cavity of the frame. According to the utility model, through the work of the servo motor, the conveying roller can be driven to convey positive and negative electrode materials to the surface of the screening plate, and a separation liquid guided out by the stirring barrel can be filtered by the filter plate and then recycled into the recycling box, so that the subsequent recycling is facilitated; and the spring rod can be matched with the cam on the surface of the rotating rod to enable the screening plate to vibrate in a reciprocating manner, so that separated positive and negative electrode materials and solid waste are screened, and the purpose of rapidly separating the waste from the positive and negative electrode materials is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery recycling, in particular to a device for recycling positive and negative electrode materials of lithium batteries. Background Art

[0002] The lithium battery positive and negative electrode material recovery device is a device specially used to extract and recycle positive electrode materials (such as lithium cobalt oxide, lithium iron phosphate, etc.) and negative electrode materials (such as graphite, etc.) from waste lithium batteries. Its main function is to separate battery components through physical and chemical methods, thereby recovering valuable metals and materials, reducing resource waste, and reducing environmental pollution.

[0003] In the prior art, the positive and negative electrode material recovery devices for lithium batteries are often mixed with waste materials when the lithium batteries are crushed and recycled because the conductive coating of the waste lithium batteries has adhesive additives. As a result, the positive and negative electrode materials are often mixed with waste materials during the material recovery and utilization operation of the positive and negative plates. The scraping and adhesive impurities required in the existing device are time-consuming and require multiple steps and equipment to complete the separation, which increases the complexity and cost of the operation and results in low recycling efficiency.

[0004] To this end, we provide a lithium battery positive and negative electrode material recovery device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a lithium battery positive and negative electrode material recovery device, which solves the problem of lithium battery positive and negative electrode material recovery devices in the prior art that the separation of positive and negative plate materials from waste is cumbersome, affecting the recovery effect, through the cooperation of separation components and mixing components.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The utility model is a lithium battery positive and negative electrode material recovery device, comprising a bottom plate, one side of the top of the bottom plate is fixedly connected to a frame, and the other side of the top of the bottom plate is provided with a conveying bin; a separation component is provided in the inner cavity of the frame, and the separation component comprises a cross plate, the cross plate is fixedly connected to both sides of the inner cavity of the frame, the top of the cross plate is fixedly connected to a spring rod, the free end of the spring rod is fixedly connected to a sub-screen plate, the surface of the sub-screen plate is slidably connected to the inner cavity of the frame, one side of the top of the bottom plate is fixedly connected to a fixed plate, one side of the fixed plate is movably connected to a rotating rod, the surface of the rotating rod is fixedly connected to a cam, and the inner cavity of the conveying bin is provided with a conveying member; a mixing component is provided on the top of the conveying bin, and the mixing component comprises a stirring drum, the stirring drum is provided at the top of the conveying bin, the top of the stirring drum is fixedly connected to a driving motor, and the output end of the driving motor is fixedly connected to a separation stirrer.

[0008] The utility model is further configured such that the conveying member includes a conveying roller, the conveying roller is movably connected to the inner cavity of the conveying bin, a servo motor is fixedly connected to the top of one side of the fixed plate, and the output end of the servo motor is fixedly connected to one end of the conveying roller.

[0009] The utility model is further configured such that a driving pulley is fixedly connected to one side of the surface of the conveying roller, a driven pulley is fixedly connected to one side of the surface of the rotating rod, and the driving pulley is connected to the driven pulley through a belt.

[0010] The present invention is further configured such that a discharge pipe is connected to the bottom of the mixing drum, one end of the discharge pipe is connected to one side of the top of the conveying bin, and a solenoid valve is sleeved on the surface of the discharge pipe.

[0011] The utility model is further configured such that a recovery box is fixedly connected to one side of the top of the bottom plate, a collection trough is provided on the top of the recovery box, the inner cavity of the collection trough extends to the inner cavity of the conveying bin, and a filter plate is fixedly connected to the inner cavity of the collection trough.

[0012] The utility model is further configured such that a support frame is fixedly connected to one side of the top of the bottom plate, and one side of the support frame is fixedly connected to the surface of the mixing drum.

[0013] The utility model is further configured such that a liquid outlet pipe is connected to the bottom of one side of the recovery box, and a valve is sleeved on the surface of the liquid outlet pipe.

[0014] The present invention is further configured such that a material feed port is provided on one side of the top of the mixing drum, and a drug feed port is provided on the other side of the top of the mixing drum.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model can drive the conveying roller to convey the positive and negative electrode materials to the surface of the sieve plate through the operation of the servo motor, and the separation liquid discharged from the mixing drum can be filtered through the filter plate and recovered to the inside of the recovery box for subsequent reuse. The active pulley drives the driven pulley to rotate, and the spring rod can cooperate with the cam on the surface of the rotating rod to make the sieve plate vibrate back and forth, so as to screen the separated positive and negative electrode materials and solid waste, thereby achieving the purpose of quickly separating the waste and the positive and negative electrode materials.

[0017] 2. The utility model drives the separation agitator to rotate through the driving motor, which can fully mix the lithium battery fragments and separation liquid added to the mixing drum, so as to improve the efficiency of separating the positive and negative electrode materials from the waste. The separated waste, positive and negative electrode plates and separation liquid can be guided to the conveying bin through the discharge pipe for subsequent separation.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0020] Figure 1 This is a structural stereogram of a lithium battery positive and negative electrode material recovery device;

[0021] Figure 2 This is a cross-sectional view of a conveying bin in a lithium battery positive and negative electrode material recovery device;

[0022] Figure 3 A cross-sectional view of a mixing drum in a lithium battery positive and negative electrode material recovery device;

[0023] Figure 4 This is an exploded view of the frame and sieve plate in a lithium battery positive and negative electrode material recovery device;

[0024] Figure 5 This is an exploded view of the sieve plate and cam in a lithium battery positive and negative electrode material recovery device.

[0025] In the attached figure: 1. bottom plate; 2. frame; 3. conveying bin; 4. horizontal plate; 5. spring rod; 6. screening plate; 7. fixed plate; 8. rotating rod; 9. cam; 10. mixing drum; 11. driving motor; 12. separating agitator; 13. conveying roller; 14. servo motor; 15. driving pulley; 16. driven pulley; 17. discharge pipe; 18. recovery box; 19. filter plate; 20. support frame. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Specific embodiment 1

[0028] See also Figure 1-5The utility model is a lithium battery positive and negative electrode material recovery device, comprising a bottom plate 1, a frame 2 is fixedly connected to one side of the top of the bottom plate 1, and a conveying bin 3 is provided on the other side of the top of the bottom plate 1; a separation component is provided in the inner cavity of the frame 2, and the separation component comprises a horizontal plate 4, which is fixedly connected to both sides of the inner cavity of the frame 2, and a spring rod 5 is fixedly connected to the top of the horizontal plate 4. The free end of the spring rod 5 is fixedly connected to a sub-screen plate 6, and the surface of the sub-screen plate 6 is slidably connected to the inner cavity of the frame 2; a fixed plate 7 is fixedly connected to one side of the top of the bottom plate 1, and a rotating rod 8 is movably connected to one side of the fixed plate 7. A cam 9 is fixedly connected to the surface of the rotating rod 8, and a conveying part is provided in the inner cavity of the conveying bin 3; a mixing component is provided on the top of the conveying bin 3, and the mixing component comprises a stirring drum 10, which is arranged on the top of the conveying bin 3, and a driving motor 11 is fixedly connected to the top of the stirring drum 10, and a separation stirrer 12 is fixedly connected to the output end of the driving motor 11.

[0029] Specifically: one side of the inner cavity of the conveying bin 3 is a cavity, so that the waste and positive and negative electrode plates can be conveyed to the surface of the sub-screen plate 6. The sub-screen plate 6 can slide in the inner cavity of the frame 2 through the cross plate 4 and the spring rod 5. One end of the rotating rod 8 extends to the inner cavity of the frame 2 through the inner cavity of the recovery box 18, so as to drive the cam 9 to rotate and make the sub-screen plate 6 vibrate. The mixing drum 10 can mix the separation liquid with the lithium battery crushed pieces to separate the positive and negative electrode plates in the crushed pieces from the waste. The conveying roller 13 can convey the solid material to avoid blockage inside the conveying bin 3. The top of the recovery box 18 is fixed to one side of the bottom of the conveying bin 3. Specific embodiment 2

[0031] See also Figure 1-5 On the basis of the specific embodiment 1, the conveying member includes a conveying roller 13, the conveying roller 13 is movably connected to the inner cavity of the conveying bin 3, a servo motor 14 is fixedly connected to the top of one side of the fixed plate 7, the output end of the servo motor 14 is fixedly connected to one end of the conveying roller 13, a driving pulley 15 is fixedly connected to one side of the surface of the conveying roller 13, a driven pulley 16 is fixedly connected to one side of the surface of the rotating rod 8, the driving pulley 15 is connected to the driven pulley 16 through a belt, and a discharge pipe 17 is connected to the bottom of the mixing drum 10, and one end of the discharge pipe 17 is connected to the top of the conveying bin 3 One side is connected, and a solenoid valve is sleeved on the surface of the discharge pipe 17. A recovery box 18 is fixedly connected to one side of the top of the bottom plate 1. A collecting tank is opened on the top of the recovery box 18. The inner cavity of the collecting tank extends to the inner cavity of the conveying bin 3. A filter plate 19 is fixedly connected to the inner cavity of the collecting tank. A support frame 20 is fixedly connected to one side of the top of the bottom plate 1. One side of the support frame 20 is fixedly connected to the surface of the mixing drum 10. The bottom of one side of the recovery box 18 is connected to a liquid outlet pipe, and a valve is sleeved on the surface of the liquid outlet pipe. A feed port is opened on one side of the top of the mixing drum 10, and a drug inlet is opened on the other side of the top of the mixing drum 10.

[0032] Specifically: one end of the conveying roller 13 extends to the outside of the conveying bin 3, and the driving pulley 15 is fixed on the surface of the conveying roller 13 located outside the conveying bin 3. The driving pulley 15 and the driven pulley 16 can drive the sieve plate 6 to vibrate through the rotating rod 8 and the cam 9 when the servo motor 14 drives the conveying roller 13 to convey waste and positive and negative plates, thereby accelerating the separation efficiency. The discharge pipe 17 is connected to the top of the conveying bin 3, and the inner cavity of the collecting tank extends to the outlet of the discharge pipe 17, so that the separated liquid flowing out of the mixing drum 10 is filtered and collected into the recovery box 18. The function of the support frame 20 is to support the mixing drum 10. The recovered separated liquid can be taken out and reused through the liquid outlet pipe and the valve. Lithium battery crushed pieces can be added through the feed port, and the separated liquid can be added through the drug inlet.

[0033] The working principle of the present invention is as follows: when it is necessary to recycle the positive and negative electrode materials of lithium batteries, first the crushed lithium battery fragments and the separation liquid are introduced into the mixing drum 10, and then the drive motor 11 is started. The drive motor 11 drives the separation stirrer 12 to rotate to fully mix the crushed fragments and the separation liquid. After the waste of the crushed fragments is separated from the positive and negative plates, the separation liquid, waste and positive and negative plates inside the mixing drum 10 are all guided to the inside of the conveying bin 3 through the solenoid valve and the discharge pipe 17. The separation liquid can be filtered through the collection tank and the filter plate 19 and collected into the recycling box 18 for subsequent reuse.

[0034] At this time, the servo motor 14 is started, and the servo motor 14 drives the conveying roller 13 to rotate. The conveying roller 13 conveys the waste and positive and negative plates to the surface of the screening plate 6. When rotating, the conveying roller 13 can also drive the active pulley 15 to rotate, and the active pulley 15 drives the driven pulley 16 to rotate, and the driven pulley 16 drives the rotating rod 8 to rotate, and the rotating rod 8 drives the cam 9 to rotate. Through the cooperation of the spring rod 5 and the cam 9, the screening plate 6 vibrates, thereby screening the waste and positive and negative plates on its surface. Usually, the positive and negative plates are smaller than the size of the waste. Therefore, during screening, the waste will remain on the surface of the screening plate 6, and the positive and negative electrode material plates will fall to the bottom of the inner cavity of the frame 2. The positive and negative electrode materials can be recycled through the collection equipment placed at the bottom of the inner cavity of the frame 2.

[0035] The standard parts used in the present invention can all be purchased from the market, and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology. The control method is automatically controlled by a control unit. The control circuit of the control unit can be implemented by simple programming by technicians in this field, which is common knowledge in this field. Therefore, the control method and circuit connection are no longer explained in detail in the present invention.

[0036] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to only the specific implementation methods described. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can better understand and utilize the present invention.

Claims

1. A lithium battery positive and negative electrode material recovery device, comprising a bottom plate (1), characterized in that: A frame (2) is fixedly connected to one side of the top of the bottom plate (1), and a conveying bin (3) is provided on the other side of the top of the bottom plate (1); The inner cavity of the frame (2) is provided with a separation component, and the separation component includes a transverse plate (4), the transverse plate (4) is fixedly connected to both sides of the inner cavity of the frame (2), the top of the transverse plate (4) is fixedly connected to a spring rod (5), the free end of the spring rod (5) is fixedly connected to a sub-screen plate (6), the surface of the sub-screen plate (6) is slidably connected to the inner cavity of the frame (2), the top side of the bottom plate (1) is fixedly connected to a fixed plate (7), one side of the fixed plate (7) is movably connected to a rotating rod (8), the surface of the rotating rod (8) is fixedly connected to a cam (9), and the inner cavity of the conveying bin (3) is provided with a conveying member; A mixing assembly is provided on the top of the delivery bin (3), and the mixing assembly includes a mixing drum (10). The mixing drum (10) is provided on the top of the delivery bin (3), and a driving motor (11) is fixedly connected to the top of the mixing drum (10). The output end of the driving motor (11) is fixedly connected to a separating stirrer (12).

2. A lithium battery positive and negative electrode material recovery device according to claim 1, characterized in that: The conveying member includes a conveying roller (13), the conveying roller (13) is movably connected to the inner cavity of the conveying bin (3), a servo motor (14) is fixedly connected to the top of one side of the fixed plate (7), and the output end of the servo motor (14) is fixedly connected to one end of the conveying roller (13).

3. A lithium battery positive and negative electrode material recovery device according to claim 2, characterized in that: A driving pulley (15) is fixedly connected to one side of the surface of the conveying roller (13), and a driven pulley (16) is fixedly connected to one side of the surface of the rotating rod (8). The driving pulley (15) is connected to the driven pulley (16) through a belt.

4. A lithium battery positive and negative electrode material recovery device according to claim 1, characterized in that: The bottom of the mixing drum (10) is connected to a discharge pipe (17), one end of the discharge pipe (17) is connected to one side of the top of the conveying bin (3), and a solenoid valve is sleeved on the surface of the discharge pipe (17).

5. The lithium battery positive and negative electrode material recovery device according to claim 1, characterized in that: A recovery box (18) is fixedly connected to one side of the top of the bottom plate (1), and a collection trough is provided on the top of the recovery box (18). The inner cavity of the collection trough extends to the inner cavity of the conveying bin (3), and a filter plate (19) is fixedly connected to the inner cavity of the collection trough.

6. A lithium battery positive and negative electrode material recovery device according to claim 1, characterized in that: A support frame (20) is fixedly connected to one side of the top of the bottom plate (1), and one side of the support frame (20) is fixedly connected to the surface of the mixing drum (10).

7. The lithium battery positive and negative electrode material recovery device according to claim 5, characterized in that: The bottom of one side of the recovery box (18) is connected to a liquid outlet pipe, and a valve is sleeved on the surface of the liquid outlet pipe.

8. The lithium battery positive and negative electrode material recovery device according to claim 1, characterized in that: A material feed port is provided on one side of the top of the mixing drum (10), and a drug feed port is provided on the other side of the top of the mixing drum (10).

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