Battery positive electrode material screening device

Abstract

The utility model relates to the technical field of battery production, and discloses a battery positive electrode material screening device which comprises a box body, a first screening assembly, a second screening assembly and a drawer, sliding grooves are formed in the two inner side walls of the box body. The first screening assembly comprises a first mounting frame, a first screen and a driving part; pulleys are respectively arranged on two sides of the first mounting frame; the first screen is embedded in the first mounting frame; the driving part is used for driving the first mounting frame to reciprocate along the chute; the second screening assembly comprises a second mounting frame, a second screen, a spring and a vibration motor; the second mounting frame is connected to the box body through a plurality of springs; the second screen is embedded in the second mounting frame, and the second screen is located under the first screen; the vibration motor is used for driving the second mounting frame to vibrate; the drawer is arranged under the second screen. According to the technical scheme provided by the utility model, the positive electrode material of the lithium ion battery can be screened for multiple times, and the screening quality and efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of battery production technology, specifically to a battery cathode material screening device. Background Technology

[0002] A lithium-ion battery is a type of rechargeable battery that primarily functions by the movement of lithium ions between the positive and negative electrodes. During charging and discharging, Li... + Intercalation and deintercalation back and forth between the two electrodes: During charging, Li + The lithium is extracted from the positive electrode and inserted into the negative electrode through the electrolyte, putting the negative electrode in a lithium-rich state; the opposite occurs during discharge.

[0003] In the processing of lithium-ion batteries, there are certain requirements for the particle size of the lithium-ion battery cathode material. Therefore, it is necessary to screen the lithium-ion battery cathode material. However, existing lithium-ion battery cathode material screening devices cannot perform multiple screenings, which affects the screening quality of the lithium-ion battery cathode material. Moreover, it is inconvenient to remove the screened lithium-ion battery cathode material, which affects the screening efficiency. Therefore, this utility model proposes a battery cathode material screening device to solve the above problems. Utility Model Content

[0004] The main purpose of this invention is to provide a battery cathode material screening device to improve the quality and efficiency of lithium-ion battery cathode material screening.

[0005] To achieve the above objectives, the battery positive electrode material screening device proposed in this utility model includes a housing, a first screening component, a second screening component, and a drawer; the housing has an opening at the top for placing battery positive electrode materials; the two opposite inner sidewalls of the housing are provided with sliding grooves; the first screening component includes a first mounting frame, a first screen, and a driving component; pulleys are respectively provided on opposite sides of the first mounting frame, and the pulleys are slidably disposed in the sliding grooves, so that the first mounting frame is slidably connected to the housing; the first screen is embedded in the first mounting frame; the driving component is used to drive the first mounting frame to slide back and forth along the sliding grooves, so as to... The first screening process involves screening battery cathode materials. The second screening assembly includes a second mounting frame, a second screen, springs, and a vibration motor. The second mounting frame is connected to the housing via multiple springs. The second screen is embedded in the second mounting frame and located directly below the first screen. The vibration motor is mounted on the second mounting frame to drive the frame to vibrate, thus finely screening the battery cathode materials. The housing has an outlet with a door through which the second screen can pass. A drawer is located directly below the second screen to hold the finely screened battery cathode materials.

[0006] Preferably, the battery cathode material screening device further includes a cover and a feed hopper; the cover is disposed on the top of the housing for opening and closing the housing; the feed hopper is disposed in the middle of the cover, with one end of the feed hopper located on one side of the cover and the other end of the feed hopper located on the other side of the cover; when the cover is placed on the housing, the feed hopper is directly opposite the first screen.

[0007] Preferably, the driving component includes a connecting rod, a first transmission wheel, a transmission belt, a second transmission wheel, and a rotating motor; one end of the connecting rod is located inside the housing and rotatably connected to the first mounting frame, and the other end of the connecting rod is located outside the housing and rotatably connected to the first transmission wheel; the connection point between the connecting rod and the first transmission wheel is away from the center of the first transmission wheel; the output shaft of the rotating motor is coaxially connected to the second transmission wheel; and the transmission belt is sleeved on the first transmission wheel and the second transmission wheel.

[0008] Preferably, the outer wall of the housing is provided with a first mounting plate and a second mounting plate; the first mounting plate is horizontally arranged; the first transmission wheel and the second transmission wheel are both rotatably arranged on the first mounting plate, and the rotation shafts of the first transmission wheel and the second transmission wheel are both vertically arranged; the second mounting plate is connected to the lower part of the first mounting plate; the rotating motor is arranged on the second mounting plate; the output shaft of the rotating motor passes through the first mounting plate and is coaxially connected to the second transmission wheel.

[0009] Preferably, each of the two opposite inner sidewalls of the housing is horizontally provided with a third mounting plate, and the two third mounting plates are symmetrical about the center line of the housing; one end of the spring is connected to the top of the third mounting plate, and the other end of the spring is connected to the bottom of the second mounting frame; the spring includes a plurality of first springs and a plurality of second springs; the number of first springs and second springs is the same; the first springs are equally spaced on one of the third mounting plates; the second springs are equally spaced on the other third mounting plate; each of the first springs and each of the second springs is symmetrical about the center line of the housing.

[0010] Preferably, the vibration motor is located at the bottom of the second mounting frame; the number of vibration motors is two, and the two vibration motors are symmetrical about the center line of the second mounting frame.

[0011] Preferably, a first handle is provided at each of the opposite ends of the first screen; and a second handle is provided at each of the opposite ends of the second screen.

[0012] Preferably, the feed hopper is conical, with the larger end of the feed hopper located on the outside of the housing and the smaller end of the feed hopper located on the inside of the housing, and the smaller end of the feed hopper facing the first screen.

[0013] Preferably, the door body is positioned above the second mounting frame; the door body is provided with a third handle.

[0014] Preferably, the second mounting plate is L-shaped, and one end of the second mounting plate is connected to the bottom of the first mounting plate.

[0015] In the technical solution of this utility model, the first screen is embedded in the first mounting frame, and the two inner side walls of the housing are provided with sliding grooves. The first mounting frame is provided with pulleys on both sides, which slide along the sliding grooves. The driving component drives the first mounting frame to reciprocate along the sliding grooves. Therefore, the lithium battery positive electrode material undergoes initial screening after entering the housing, leaving larger particle sizes on the first screen and smaller particle sizes falling off. The second screen is embedded in the second mounting frame, which is connected to the housing by multiple springs. The second screen is located directly below the first screen, and the second mounting frame is equipped with the vibration motor. The drawer is located directly below the second screen. Therefore, the positive electrode material that passes through the first screen will undergo a second screening on the second screen. Finally, the positive electrode material with the correct particle size falls into the drawer. The upper part of the housing has an opening, and the housing also has an outlet. Therefore, the positive electrode material on the first screen can be taken out through the upper opening of the housing, the positive electrode material on the second screen can be taken out through the outlet, and the screened positive electrode material can be taken out through the drawer. In summary, the technical solution proposed by this utility model can screen battery positive electrode materials multiple times, which is beneficial to improving the quality and efficiency of screening. At the same time, positive electrode materials with different particle sizes can be taken out from different outlets after screening, making it convenient and efficient to use. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the battery cathode material screening device of this utility model;

[0018] Figure 2This is a schematic diagram showing the connection of the first screen in the battery cathode material screening device of this utility model;

[0019] Figure 3 This is a schematic diagram showing the connection of the second screen in the battery cathode material screening device of this utility model.

[0020] Explanation of icon numbers:

[0021] 1-Box body; 2-Box cover; 3-Feed hopper; 4-Slide groove; 5-First mounting frame; 6-Pulley; 7-Connecting rod; 8-First transmission wheel; 9-Transmission belt; 10-Second transmission wheel; 11-First mounting plate; 12-Rotating motor; 13-Second mounting plate; 14-Door body; 15-Second mounting frame; 16-Spring; 17-Vibration motor; 18-Drawer; 19-First screen; 20-First handle; 21-Second screen; 22-Second handle; 23-Third mounting plate.

[0022] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0025] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0026] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0028] This invention proposes a battery cathode material screening device.

[0029] Please refer to Figures 1 to 3 The battery cathode material screening device includes a housing 1, a first screening component, a second screening component, and a drawer 18. The housing 1 has an opening at the top for holding battery cathode materials. Slide grooves 4 are formed on two opposite inner sidewalls of the housing 1. The first screening component includes a first mounting frame 5, a first screen 19, and a driving component. Rollers 6 are respectively provided on opposite sides of the first mounting frame 5, and the rollers 6 are slidably disposed in the slide grooves 4, so that the first mounting frame 5 is slidably connected to the housing 1. The first screen 19 is embedded in the first mounting frame 5. The driving component drives the first mounting frame 5 to slide back and forth along the slide grooves 4 to perform initial screening of the battery cathode materials. The second screening component... The assembly includes a second mounting frame 15, a second screen 21, springs 16, and a vibration motor 17. The second mounting frame 15 is connected to the housing 1 via multiple springs 16. The second screen 21 is embedded in the second mounting frame 15 and is located directly below the first screen 19. The vibration motor 17 is disposed on the second mounting frame 15 to drive the second mounting frame 15 to vibrate for fine screening of battery positive electrode materials. The housing 1 has an access port with a door 14 through which the second screen 21 can pass. A drawer 18 is disposed directly below the second screen 21 to hold the finely screened battery positive electrode materials.

[0030] In the technical solution of this utility model, the first screen 19 is embedded in the first mounting frame 5, and the two inner side walls of the housing 1 are provided with sliding grooves 4. The first mounting frame 5 is provided with pulleys 6 on both sides, and the pulleys 6 are slidably disposed in the sliding grooves 4. The driving component drives the first mounting frame 5 to reciprocate along the sliding grooves 4. Therefore, the lithium battery positive electrode material undergoes initial screening after entering the housing 1, leaving the larger particle size positive electrode material in the first screen 19, while the smaller particle size positive electrode material falls down. The second screen 21 is embedded in the second mounting frame 15, and the second mounting frame 15 is connected to the housing 1 by multiple springs 16. The second screen 21 is located directly below the first screen 19. The second mounting frame 15 is equipped with the vibration motor 17, and the drawer 18 is located directly below the second screen 21. Therefore, the positive electrode material passing through the first screen 19 will undergo a second screening on the second screen 21. Finally, the positive electrode material with the correct particle size falls into the drawer 18. The upper opening of the housing 1 and the outlet of the housing 1 allow the positive electrode material on the first screen 19 to be removed through the upper opening, the positive electrode material on the second screen 21 to be removed through the outlet, and the screened positive electrode material to be removed through the drawer 18. In summary, the technical solution proposed by this utility model can perform multiple screenings of battery positive electrode materials, which is beneficial to improving the quality and efficiency of screening. At the same time, positive electrode materials of different particle sizes can be removed from different outlets after screening, making it convenient and efficient to use.

[0031] Specifically, there are two slides 4, symmetrically arranged on opposite side walls of the housing 1; the number of pulleys 6 on both sides of the first mounting frame 5 is the same, and the pulleys 6 on both sides of the first mounting frame 5 are symmetrically distributed around the center line of the first mounting frame 5. In this embodiment, there are four pulleys 6; the outlet is located in the middle of the housing 1; and the drawer 18 is located at the bottom of the housing 1.

[0032] Specifically, the first screen 19 is embedded in the first mounting frame 5 and can be removed from the upper side of the first mounting frame 5; the second screen 21 is embedded in the second mounting frame 15 and can be removed from the upper side of the second mounting frame 15; the aperture of the first screen 19 is larger than the aperture of the second screen 21; both the first screen 19 and the second screen 21 are rectangular screens, and the horizontal projected area of ​​the second screen 21 is larger than the horizontal projected area of ​​the first screen 19, so as to ensure that the positive electrode material passing through the first screen 19 falls on the second screen 21.

[0033] Preferably, the battery cathode material screening device further includes a cover 2 and a feed hopper 3; the cover 2 is disposed on the top of the housing 1 for opening and closing the housing 1; the feed hopper 3 is disposed in the middle of the cover 2, with one end of the feed hopper 3 located on one side of the cover 2 and the other end of the feed hopper 3 located on the other side of the cover 2; when the cover 2 is placed on the housing 1, the feed hopper 3 is directly facing the first screen 19.

[0034] Specifically, the lid 2 is rotatably connected to the box body 1, and in this embodiment, it is a hinged connection. The lid 2 can be opened to facilitate the removal of the first screen 19. The feed hopper 3 is in the shape of an inverted cone. When the lid 2 is placed on the box body 1, the small opening of the feed hopper 3 is located inside the box body 1 and is directly opposite the first screen 19 to facilitate feeding.

[0035] Preferably, the driving component includes a connecting rod 7, a first transmission wheel 8, a transmission belt 9, a second transmission wheel 10, and a rotating motor 12; one end of the connecting rod 7 is located inside the housing 1 and rotatably connected to the first mounting frame 5, and the other end of the connecting rod 7 is located outside the housing 1 and rotatably connected to the first transmission wheel 8; the connection point between the connecting rod 7 and the first transmission wheel 8 is far from the center of the first transmission wheel 8; the output shaft of the rotating motor 12 is coaxially connected to the second transmission wheel 10; the transmission belt 9 is sleeved on the first transmission wheel 8 and the second transmission wheel 10.

[0036] Specifically, the side wall of the housing 1 has an opening for the connecting rod 7 to pass through and move; the connecting rod 7 is connected to the first mounting frame 5 and the first transmission wheel 8 by a pin; the diameter of the first transmission wheel 8 is larger than the diameter of the second transmission wheel 10.

[0037] Preferably, the outer side wall of the housing 1 is provided with a first mounting plate 11 and a second mounting plate 13; the first mounting plate 11 is horizontally arranged; the first transmission wheel 8 and the second transmission wheel 10 are both rotatably arranged on the first mounting plate 11, and the rotation shafts of the first transmission wheel 8 and the second transmission wheel 10 are both vertically arranged; the second mounting plate 13 is connected to the lower part of the first mounting plate 11; the rotating motor 12 is arranged on the second mounting plate 13; the output shaft of the rotating motor 12 passes through the first mounting plate 11 and is coaxially connected to the second transmission wheel 10.

[0038] Preferably, a third mounting plate 23 is horizontally arranged on each of the two opposite inner sidewalls of the housing 1, and the two third mounting plates 23 are symmetrical about the center line of the housing 1; one end of the spring 16 is connected to the top of the third mounting plate 23, and the other end of the spring 16 is connected to the bottom of the second mounting frame 15; the spring 16 includes a plurality of first springs and a plurality of second springs; the number of first springs and second springs is the same; the first springs are equally spaced on one of the third mounting plates 23; the second springs are equally spaced on the other third mounting plate 23; each of the first springs and each of the second springs is symmetrical about the center line of the housing 1.

[0039] Specifically, the two ends of the third mounting plate 23 are respectively connected to the two opposite inner sidewalls of the housing 1, and one side of the third mounting plate 23 is connected to the other inner sidewall of the housing 1; the first springs are evenly distributed along the length of one of the third mounting plates 23; the second springs are evenly distributed along the length of the other third mounting plate 23. In this embodiment, there are three of each of the first and second springs, and they are respectively disposed in the middle and at both ends of the third mounting plate 23.

[0040] Preferably, the vibration motor 17 is disposed at the bottom of the second mounting frame 15; the number of vibration motors 17 is two, and the two vibration motors 17 are symmetrical about the center line of the second mounting frame 15. In this embodiment, the vibration motors 17 are disposed on both sides of the second mounting frame 15 that are not connected to the spring 16.

[0041] Preferably, the first screen 19 is provided with a first handle 20 at both opposite ends; the second screen 21 is provided with a second handle 22 at both opposite ends.

[0042] Specifically, the first screen 19 includes a first screen body and a first frame connected around the first screen body. When the first screen 19 is embedded in the first mounting frame 5, the top surface of the first frame is flush with the top surface of the first mounting frame 5, and the first handle 20 is disposed at the top of the first frame. The second screen 21 includes a second screen body and a second frame connected around the second screen body. When the second screen 21 is embedded in the second mounting frame 15, the top surface of the second frame is flush with the top surface of the second mounting frame 15, and the second handle 22 is disposed at the top of the second frame. There are two first handles 20, which are symmetrically disposed at both ends of the first frame. There are also two second handles 22, which are symmetrically disposed at both ends of the second frame.

[0043] Preferably, the feed hopper 3 is conical, with its larger opening located on the outside of the housing 1 and its smaller opening located on the inside of the housing 1, and the smaller opening facing the first screen 19. Specifically, the feed hopper 3 is an inverted cone shape.

[0044] Preferably, the door body 14 is positioned above the second mounting frame 15; the door body 14 is provided with a handle. Specifically, the door body 14 is rotatably connected to the housing 1, in this embodiment being a hinge connection; the handle is located at one end of the door body 14.

[0045] Preferably, the second mounting plate 13 is L-shaped, and one end of the second mounting plate 13 is connected to the bottom of the first mounting plate 11.

[0046] Specifically, the second mounting plate 13 includes a first plate and a second plate; the first plate is vertically arranged and the second plate is horizontally arranged; one end of the first plate is connected to the bottom of the first mounting plate 11, and the other end of the first plate is connected to one end of the second plate; the rotating motor 12 is arranged on the second plate.

[0047] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the concept of this utility model and the contents of the specification and drawings of this utility model, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A battery cathode material screening device, characterized in that, The system includes a housing (1), a first screening component, a second screening component, and a drawer (18). The housing (1) has an opening at the top for holding battery positive electrode materials. Slots (4) are provided on the two opposite inner sidewalls of the housing (1). The first screening component includes a first mounting frame (5), a first screen (19), and a driving component. Rollers (6) are respectively provided on opposite sides of the first mounting frame (5), and the rollers (6) are slidably disposed in the slots (4) so ​​that the first mounting frame (5) is slidably connected to the housing (1). The first screen (19) is embedded in the first mounting frame (5). The driving component drives the first mounting frame (5) to slide back and forth along the slots (4) to perform initial screening of battery positive electrode materials. The second screening component includes a second mounting frame (5). The enclosure consists of a frame (15), a second screen (21), springs (16), and a vibration motor (17). The second mounting frame (15) is connected to the housing (1) by a plurality of springs (16). The second screen (21) is embedded in the second mounting frame (15) and is located directly below the first screen (19). The vibration motor (17) is disposed on the second mounting frame (15) to drive the second mounting frame (15) to vibrate for fine screening of battery positive electrode materials. The housing (1) has an outlet with a door (14) through which the second screen (21) can pass. The drawer (18) is disposed directly below the second screen (21) to hold the finely screened battery positive electrode materials. The battery cathode material screening device also includes a cover (2) and a feed hopper (3); the cover (2) is located on the top of the box body (1) for opening and closing the box body (1); the feed hopper (3) is located in the middle of the cover (2), with one end of the feed hopper (3) located on one side of the cover (2) and the other end of the feed hopper (3) located on the other side of the cover (2); when the cover (2) is placed on the box body (1), the feed hopper (3) is facing the first screen (19). The lid is rotatably connected to the box body; the feed hopper is in the shape of an inverted cone.

2. The battery cathode material screening device according to claim 1, characterized in that, The driving component includes a connecting rod (7), a first transmission wheel (8), a transmission belt (9), a second transmission wheel (10), and a rotating motor (12); one end of the connecting rod (7) is located inside the housing (1) and is rotatably connected to the first mounting frame (5), and the other end of the connecting rod (7) is located outside the housing (1) and is rotatably connected to the first transmission wheel (8); the connection point between the connecting rod (7) and the first transmission wheel (8) is far from the center of the first transmission wheel (8); the output shaft of the rotating motor (12) is coaxially connected to the second transmission wheel (10); the transmission belt (9) is sleeved on the first transmission wheel (8) and the second transmission wheel (10).

3. The battery cathode material screening device according to claim 2, characterized in that, The outer side wall of the housing (1) is provided with a first mounting plate (11) and a second mounting plate (13); the first mounting plate (11) is horizontally arranged; the first transmission wheel (8) and the second transmission wheel (10) are both rotatably arranged on the first mounting plate (11), and the rotation shaft of the first transmission wheel (8) and the rotation shaft of the second transmission wheel (10) are both vertically arranged; the second mounting plate (13) is connected to the lower part of the first mounting plate (11); the rotating motor (12) is arranged on the second mounting plate (13); the output shaft of the rotating motor (12) passes through the first mounting plate (11) and is coaxially connected to the second transmission wheel (10).

4. The battery cathode material screening device according to claim 1, characterized in that, Two opposite inner sidewalls of the housing (1) are each horizontally provided with a third mounting plate (23), and the two third mounting plates (23) are symmetrical about the center line of the housing (1); one end of the spring (16) is connected to the top of the third mounting plate (23), and the other end of the spring (16) is connected to the bottom of the second mounting frame (15); the spring (16) includes a plurality of first springs and a plurality of second springs; the number of first springs and second springs is the same; the first springs are equally spaced on one of the third mounting plates (23); the second springs are equally spaced on the other third mounting plate (23); each of the first springs and each of the second springs is symmetrical about the center line of the housing (1).

5. The battery cathode material screening device according to claim 1, characterized in that, The vibration motor (17) is located at the bottom of the second mounting frame (15); there are two vibration motors (17), and the two vibration motors (17) are symmetrical about the center line of the second mounting frame (15).

6. The battery cathode material screening device according to claim 1, characterized in that, The first screen (19) is provided with a first handle (20) at both opposite ends; the second screen (21) is provided with a second handle (22) at both opposite ends.

7. The battery cathode material screening device according to claim 1, characterized in that, The feed hopper (3) is conical. The large end of the feed hopper (3) is located on the outside of the box (1), and the small end of the feed hopper (3) is located on the inside of the box (1). The small end of the feed hopper (3) is directly opposite the first screen (19).

8. The battery cathode material screening device according to claim 1, characterized in that, The door (14) is positioned above the second mounting frame (15); the door (14) is provided with a third handle.

9. The battery cathode material screening device according to claim 3, characterized in that, The second mounting plate (13) is L-shaped, and one end of the second mounting plate (13) is connected to the bottom of the first mounting plate (11).

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