Impurity removal device for processing lithium battery negative electrode material

Abstract

The utility model provides an impurity removal device for lithium battery negative electrode material processing, and relates to the field of lithium battery material processing, the impurity removal device comprises a base, a swing strip is rotatably connected to the base, a guide frame is rotatably connected to the swing strip, a filter box is arranged on the guide frame, and a plurality of magnet plates are rotatably connected to the inner wall of the filter box; flexible rubber strips are arranged on the surfaces of the left side and the right side of the magnet plate, a connecting shaft is fixedly connected to the surface of the front side of the magnet plate, the front end of the connecting shaft rotationally penetrates through the surface of the front side of the filter box, and a rotating disc is fixedly connected to the front end of the connecting shaft. When materials need to be added or the magnet plates need to be cleaned, the multiple sets of magnet plates can rotate at the same time by driving the rotating disc to rotate, then sealing of the filtering box is started, or the magnet plates are turned over for cleaning, and the interval of material replacement is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lithium battery material processing, specifically, relate to a kind of impurity removal device for lithium battery negative material processing. BACKGROUND

[0002] The traditional lithium ion battery negative material is mainly graphite, which has good electrical conductivity and cycle stability. By removing impurities from the lithium battery negative material, the presence of impurities in the material can be reduced, the electrical conductivity of the material can be improved, and the performance of the battery can be improved.

[0003] For example, Chinese Utility Model Patent No. CN222152409U, which can remove impurities from lithium battery negative material during the vibration process of the filter box by using a swing mechanism. The combination of the magnet plate and the floating iron powder during the vibration process realizes the magnetic adsorption of the floating iron powder, which helps to effectively remove the iron powder from the negative material and improves the filtering effect. At the same time, it also facilitates the cleaning and maintenance process. However, when placing the lithium battery negative material inside the filter box, the magnet plate needs to be disassembled. The magnet plate is relatively large in size, which makes the disassembly process more laborious and significantly prolongs the interval between different materials during impurity removal. Therefore, we propose a kind of impurity removal device for lithium battery negative material processing. SUMMARY

[0004] The utility model aims to solve the problem of the large size of the magnet plate, which makes the disassembly process more laborious and significantly prolongs the interval between different materials during impurity removal.

[0005] To achieve the above utility model purposes and improve the above problems, the utility model provides an impurity removal device for lithium battery negative material processing, which includes a base, a swing bar is rotatably connected to the base, a guide frame is rotatably connected to the swing bar, a filter box is provided on the guide frame, a plurality of magnet plates are rotatably connected to the inner wall of the filter box, flexible rubber strips are provided on the left and right side surfaces of the magnet plates, a connecting shaft is fixedly connected to the front side surface of the magnet plate, the front end of the connecting shaft is rotatably penetrated to the front side surface of the filter box, a rotating disc is fixedly connected to the front end of the connecting shaft, a eccentric position of the rotating disc is rotatably connected to a linkage rod, a tooth is fixedly connected to the outer surface of one of the rotating discs, a gear is rotatably connected to the front side surface of the filter box, the gear is meshingly connected with the tooth, three expansion slots are provided on the front side surface of the filter box, and a locking assembly is provided inside the expansion slot.

[0006] As a preferred technical scheme of the present application, the locking assembly comprises a limiting plate, the limiting plate is slidingly connected in the interior of one of the telescopic grooves, the front side surface of the limiting plate is fixedly connected with a sliding rod, and the front end of the sliding rod slidingly penetrates to the eccentric position of the front side surface of the gear.

[0007] As a preferred technical scheme of the present application, the sliding rod is fixedly sleeved with a first reset disc on the outer surface of the front side surface of the gear, and the rear side surface of the first reset disc is fixedly connected with a first spring between the front side surface of the gear.

[0008] As a preferred technical scheme of the present application, the rear side eccentric position of the gear is provided with a giving slot, the giving slot is matched with the limiting plate, the bottom wall of the filter box is provided with a filter hole, and the filter hole is communicated with the interior of the guide frame.

[0009] As a preferred technical scheme of the present application, the front and rear side inner walls of the filter box are provided with sliding grooves, the interior of the filter box is provided with a scraper, and the front and rear side surfaces of the scraper are fixedly connected with sliding blocks matched with the sliding grooves.

[0010] As a preferred technical scheme of the present application, the left and right side surfaces of the filter box are fixedly connected with limiting frames, the limiting frames are also provided with sliding grooves, the left and right side surfaces of the filter box are fixedly connected with fixed rods, and the left and right side surfaces of the filter box are provided with collecting boxes.

[0011] As a preferred technical scheme of the present application, the front and rear side surfaces of the collecting box are fixedly connected with connecting sleeves, the connecting sleeves are slidingly sleeved on the outer surfaces of the fixed rods, the front side surface of the limiting frame is fixedly connected with a second spring, and the front end of the second spring is fixedly connected with a second reset disc.

[0012] As a preferred technical scheme of the present application, the interior of the second reset disc is fixedly sleeved with a locking rod, the rear end of the locking rod slidingly penetrates to the interior of the sliding groove, the front side surface of the scraper is provided with a locking slot matched with the locking rod, and the base is provided with a swing assembly.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] In the scheme of the present application:

[0015] 1. The magnet plate can be divided into multiple blocks, and when it is necessary to add materials or clean the magnet plate, the multiple groups of magnet plates can be simultaneously rotated by driving the rotating disc to rotate, thereby opening the closure of the filter box or turning over the magnet plate for cleaning, and the interval of material replacement is greatly reduced.

[0016] 2. The design of the scraper can push the scraper to move directly when the magnet plate needs to be cleaned, without the need for additional tools, and the scraped powder can be collected by the collection box, avoiding the powder falling to the ground and affecting the working environment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structure diagram of a lithium battery negative electrode material processing impurity removal device is provided.

[0018] Figure 2 A structure diagram of a connecting shaft in a lithium battery negative electrode material processing impurity removal device is provided.

[0019] Figure 3 A structure diagram of an extension groove in a lithium battery negative electrode material processing impurity removal device is provided.

[0020] Figure 4 A structure diagram of a scraper in a lithium battery negative electrode material processing impurity removal device is provided.

[0021] Indications in the figure:

[0022] 1, base; 2, swing bar; 3, guide frame; 4, filter box; 5, magnet plate; 6, flexible rubber strip; 7, connecting shaft; 8, rotating disc; 9, linkage rod; 10, tooth; 11, gear; 12, extension groove; 13, limiting plate; 14, sliding rod; 15, first reset disc; 16, first spring; 17, let go of the slot; 18, filter hole; 19, sliding groove; 20, scraper; 21, sliding block; 22, limiting frame; 23, fixed rod; 24, collection box; 25, connecting sleeve; 26, second spring; 27, second reset disc; 28, locking rod; 29, locking groove; 30, swing assembly. DETAILED DESCRIPTION

[0023] In order to make the personnel in the technical field better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0024] In order to make the personnel in the technical field better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0025] It should be noted that the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0026] It should be noted that like reference numerals and letters refer to like items in the drawings, and thus once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0027] Embodiment 1:

[0028] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 A kind of impurity removal device for lithium battery negative electrode material processing, including base 1, swing bar 2 is rotatably connected on base 1, guide frame 3 is rotatably connected on swing bar 2, filter box 4 for filtering impurities in material is arranged on guide frame 3, the inner wall of filter box 4 is rotatably connected with multiple magnet plates 5 for adsorbing magnetic powder and magnetic impurities, flexible rubber strip 6 for filling the gap between magnet plate 5 is arranged on the left and right side surfaces of magnet plate 5, the front side surface of magnet plate 5 is fixedly connected with connecting shaft 7 for power transmission.

[0029] The front end of connecting shaft 7 is rotatably penetrated to the front side surface of filter box 4, the front end of connecting shaft 7 is fixedly connected with rotating disc 8 for power transmission, eccentric rotating disc 8 is rotatably connected with linkage rod 9, the outer surface of one rotating disc 8 is fixedly connected with power transmission tooth 10, the front side surface of filter box 4 is rotatably connected with power transmission gear 11, gear 11 is meshingly connected with tooth 10, three telescopic grooves 12 for providing displacement space are formed in the front side surface of filter box 4, locking assembly is arranged in telescopic groove 12, by the design that magnet plate 5 is divided into multiple blocks, when it is necessary to add material or clean magnet plate 5, multiple magnet plates 5 can be rotated simultaneously by driving rotating disc 8 to rotate, thereby opening the closure of filter box 4, or magnet plate 5 is turned over to clean, substantially reduce the interval of material replacement.

[0030] Embodiment 2:

[0031] The impurity removal device for lithium battery negative electrode material processing provided in embodiment 1 is further optimized, specifically, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4As shown, the locking assembly includes a limiting plate 13 for limiting, the limiting plate 13 is slidingly connected inside one of the telescopic grooves 12, the front side surface of the limiting plate 13 is fixedly connected with a sliding rod 14 for locking, the front end of the sliding rod 14 slidingly penetrates to the eccentric position of the front side surface of the gear 11, the outer surface of the sliding rod 14 located on the front side surface of the gear 11 is fixedly sleeved with a first reset disc 15 for providing mounting space for the structure, the rear side surface of the first reset disc 15 is fixedly connected with a first spring 16 between the front side surface of the gear 11 for providing reset power, the rear side eccentric position of the gear 11 is provided with a let go groove 17 accommodating the limiting plate 13, the let go groove 17 is matched with the limiting plate 13, and the bottom wall of the filter box 4 is provided with a filter hole 18 for impurities to pass through, and the filter hole 18 is communicated with the inside of the guide frame 3.

[0032] The inner walls of the front and rear sides of the filter box 4 are each provided with a sliding groove 19, the inside of the filter box 4 is provided with a scraper 20 for cleaning the magnet plate 5, the front and rear side surfaces of the scraper 20 are each fixedly connected with a sliding block 21 matched with the sliding groove 19, the left and right side surfaces of the filter box 4 are each fixedly connected with a limiting frame 22, the limiting frame 22 is also provided with a sliding groove 19, the left and right side surfaces of the filter box 4 are each fixedly connected with a fixed rod 23 for structural mounting, the left and right side surfaces of the filter box 4 are each provided with a collection box 24 for collecting dust and impurities on the magnet plate 5, the front and rear side surfaces of the collection box 24 are each fixedly connected with a connecting sleeve 25, the connecting sleeve 25 is slidingly sleeved on the outer surface of the fixed rod 23, the front side surface of the limiting frame 22 is fixedly connected with a second spring 26 for providing reset power, the front end of the second spring 26 is fixedly connected with a second reset disc 27, the inside of the second reset disc 27 is fixedly sleeved with a locking rod 28 for locking the position of the scraper 20, the rear end of the locking rod 28 slidingly penetrates into the inside of the sliding groove 19, the front side surface of the scraper 20 is provided with a locking groove 29 matched with the locking rod 28, and the base 1 is provided with a swing assembly 30.

[0033] The swing assembly 30 is a prior art, which mainly includes a motor, a driving shaft, an eccentric wheel, a guide shaft, a driving connecting rod, a convex shaft frame and the like, and its main function is to drive the filter box 4 to swing, thereby realizing the filtration of impurities, and the guide frame 3 is also a prior art, and the side surface of the guide frame 3 is also provided with a discharge port for discharging the filtered material, which can be referred to in detail in the patent publication No. CN222152409U, and will not be described in detail here because it is not the main improvement direction.

[0034] The use process of the impurity removal device for processing lithium battery negative electrode material provided by the utility model is as follows:

[0035] When the material needs to be transported to the inside of the filter box 4, the sliding rod 14 can be pulled to the outside, and the first reset disc 15 is stretched by the first spring 16 when the sliding rod 14 moves, and the limiting plate 13 is separated from the telescopic slot 12 and enters the inside of the accommodating slot 17 when the sliding rod 14 moves, at this time, the unlocking of the gear 11 is completed, and the rotating gear 11 can drive the rotating disc 8 to rotate by cooperating with the gear teeth 10, the rotating disc 8 is rotated and synchronously drives the remaining rotating discs 8 by the connecting rod 9 connected at the eccentric position, and then the magnet plate 5 is driven to rotate by the connecting shaft 7 cooperating with the rotating disc 8, the magnet plate 5 is rotated from a horizontal state to a vertical state, at this time, the material can enter the inside of the filter box 4 from the gap between the magnet plates 5, and then the guiding frame 3 and the filter box 4 are vibrated by the swing assembly 30, the magnetic powder lifted will be adsorbed by the magnet plate 5, when the magnet plate 5 is cleaned, the gear 11 is rotated again to make the magnet plate 5 turn over by the same way as described above, and after the turning over is completed, the locking rod 28 is pulled to the outside, the second reset disc 27 is stretched by the second spring 26 when the locking rod 28 moves, and the locking rod 28 is separated from the inside of the locking slot 29 to complete the unlocking of the scraper 20, at this time, the sliding scraper 20 can scrape the powder attached to the surface of the magnet plate 5, and when the scraper 20 moves to the other side, the powder can be pushed into the inside of the collecting box 24 to complete the collection.

[0036] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electric connection or each other can communicate, can be directly connected, also can indirectly connect through intermediate medium, can be the communication or mutual action relationship of two elements inside, unless another definite limitation. For ordinary skilled in the art, the above terms can be understood according to the specific meaning of the utility model in specific circumstances.

[0037] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A purification device for processing lithium battery negative electrode materials, characterized in that, The filter box includes a base (1), on which a swing bar (2) is rotatably connected. A guide frame (3) is rotatably connected to the swing bar (2). A filter box (4) is provided on the guide frame (3). Multiple magnet plates (5) are rotatably connected to the inner wall of the filter box (4). Flexible rubber strips (6) are provided on both the left and right sides of the magnet plates (5). A connecting shaft (7) is fixedly connected to the front side of the magnet plates (5). The front end of the connecting shaft (7) rotatably passes through to the front side of the filter box (4). A rotating disk (8) is fixedly connected to the front end of the connecting shaft (7). A linkage rod (9) is rotatably connected to the eccentric part of the rotating disk (8). A tooth (10) is fixedly connected to the outer surface of one of the rotating disks (8). A gear (11) is rotatably connected to the front side of the filter box (4). The gear (11) meshes with the tooth (10). Three telescopic grooves (12) are opened on the front side of the filter box (4). A locking component is provided inside the telescopic grooves (12).

2. The impurity removal device for processing lithium battery negative electrode materials according to claim 1, characterized in that, The locking assembly includes a limiting plate (13), which is slidably connected inside one of the telescopic grooves (12). A sliding rod (14) is fixedly connected to the front surface of the limiting plate (13), and the front end of the sliding rod (14) slides through to the eccentric part of the front surface of the gear (11).

3. The impurity removal device for processing lithium battery negative electrode materials according to claim 2, characterized in that, The sliding rod (14) is fixedly fitted with a first reset plate (15) on the outer surface of the front side surface of the gear (11), and a first spring (16) is fixedly connected between the rear side surface of the first reset plate (15) and the front side surface of the gear (11).

4. The impurity removal device for processing lithium battery negative electrode materials according to claim 3, characterized in that, The gear (11) has a relief groove (17) on its rear eccentric side, which is adapted to the limiting plate (13). The bottom wall of the filter box (4) has a filter hole (18), which is connected to the interior of the guide frame (3).

5. The impurity removal device for processing lithium battery negative electrode materials according to claim 4, characterized in that, The filter box (4) has sliding grooves (19) on both the front and rear inner walls. The filter box (4) is equipped with a scraper (20). The front and rear surfaces of the scraper (20) are fixedly connected with sliding blocks (21) that are compatible with the sliding grooves (19).

6. The impurity removal device for processing lithium battery negative electrode materials according to claim 5, characterized in that, The filter box (4) has a fixed limit frame (22) on both the left and right sides. The limit frame (22) also has a sliding groove (19). The filter box (4) has a fixed rod (23) on both the left and right sides. The filter box (4) has a collection box (24) on both the left and right sides.

7. The impurity removal device for processing lithium battery negative electrode materials according to claim 6, characterized in that, The front and rear surfaces of the collection box (24) are fixedly connected with connecting sleeves (25), which are slidably sleeved on the outer surface of the fixing rod (23). The front surface of the limiting frame (22) is fixedly connected with a second spring (26), and the front end of the second spring (26) is fixedly connected with a second reset plate (27).

8. The impurity removal device for processing lithium battery negative electrode materials according to claim 7, characterized in that, The second reset plate (27) is fitted with a locking rod (28) inside. The rear end of the locking rod (28) slides through the interior of the sliding groove (19). The front surface of the scraper (20) is provided with a locking groove (29) that matches the locking rod (28). The base (1) is provided with a swing assembly (30).

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