Filtering device for preparing conductive slurry of lithium ion battery

Abstract

The utility model relates to the technical field of conductive slurry processing, in particular to a filtering device for preparing conductive slurry of a lithium ion battery, and aims to solve the technical problems that in the process of filtering the conductive slurry by the conventional filtering device, waste materials are adhered to the inner wall of a filtering barrel, so that meshes are blocked, and the subsequent filtering effect is influenced. According to the technical scheme, the filtering device for preparing the conductive slurry of the lithium ion battery comprises a filtering barrel, a shell, a feeding opening, a discharging pipe, a rotating assembly, a cleaning assembly and a lifting assembly; the cleaning assembly is additionally arranged in the filtering device for preparing the conductive slurry of the lithium ion battery, and the cleaning assembly is driven by the lifting assembly to move in the filtering barrel, so that the cleaning assembly cleans the interior of the filtering barrel, meshes are prevented from being blocked by waste materials, and the problem that in the process of filtering the conductive slurry by an existing filtering device, the cleaning assembly cannot clean the interior of the filtering barrel is solved. The waste materials are adhered to the inner wall of the filtering barrel, so that meshes are blocked, and the subsequent filtering effect is influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of conductive slurry processing, and in particular relates to a filtering device for preparing conductive slurry for lithium ion batteries. Background Art

[0002] In order to improve the consistency of battery pack use, reduce battery pack costs, improve the bonding adhesion between active materials and current collectors, and reduce the cost of electrode manufacturing, conductive coating products are often used in the processing of lithium-ion batteries. The performance of the conductive slurry in the conductive coating product plays a decisive role in the function of the product. In the process of preparing the conductive slurry, a filtering device is required for filtering.

[0003] At present, during the filtering process of conductive slurry, qualified slurry is discharged along the discharge pipe, while waste material will stick to the inner wall of the filter barrel, causing the filter mesh to be blocked, affecting the subsequent centrifugal filtration effect.

[0004] Therefore, in order to address the problem that after the above-mentioned existing conductive slurry filtering device is used, the waste remaining in the barrel after filtration will stick to the inner wall of the filter barrel, causing the filter mesh to be clogged, the existing conductive slurry filtering device is improved by adding a cleaning component to it to scrape off the waste remaining on the inner wall of the filter barrel to avoid clogging of the mesh. Utility Model Content

[0005] In order to overcome the problem that in the process of filtering conductive slurry by the existing filtering device, waste materials will stick to the inner wall of the filter barrel, causing the mesh to be blocked and affecting the subsequent filtering effect.

[0006] The technical solution of the utility model is: a filtering device for preparing conductive slurry for lithium-ion batteries, comprising a filter barrel, an outer shell, a feed port, a discharge pipe, a rotating assembly, a cleaning assembly and a lifting assembly; the outer shell is sleeved on the outer side of the filter barrel, a feed port is opened on the left side of the outer shell, a discharge pipe is fixedly connected to the right side of the outer shell, a rotating assembly for driving the filter barrel to rotate is installed in the outer shell, a cleaning assembly is installed in the filter barrel, and a lifting assembly for moving the cleaning assembly is arranged on the outer side of the filter barrel.

[0007] Preferably, a cleaning component is added to the filter device and is driven by the lifting component to move in the filter barrel, so that the cleaning component cleans the filter barrel and scrapes off the waste adhering to the inner wall of the filter barrel, thereby cleaning the mesh of the filter box and preventing the mesh from being blocked by waste. The rotating component drives the filter barrel to rotate, so that it can filter the conductive slurry through centrifugal force.

[0008] Preferably, a support plate is fixedly connected inside the outer shell, a limit plate located above the support plate is fixedly connected to the filter barrel, and a partition plate located below the support plate is provided inside the outer shell. The support plate can support the limit plate and the filter barrel connected to the limit plate, and the partition plate can distinguish the filter area from the rotating assembly.

[0009] Preferably, the rotating assembly includes a No. 1 motor and a screw; a No. 1 motor installed in a shell is provided below the partition, a screw is connected to the transmission element of the No. 1 motor, a hole groove matching the screw is opened on the partition, and the filter barrel is screwed on the screw. The No. 1 motor drives the screw and the filter barrel screwed on the screw to rotate, and the centrifugal force generated by the high-speed rotating filter barrel is used to achieve filtering of the conductive slurry.

[0010] Preferably, a connecting rod located outside the feed port is fixedly connected to the outer shell; a feed pipe is inserted in the feed port, and a connecting seat screwed on the outside of the connecting rod is fixedly connected to the feed pipe. The feed pipe is inserted in the outer shell, and the conductive slurry is injected into the edge of the filter barrel to facilitate centrifugal filtration. The feed pipe can be fixed to the connecting rod through the connecting seat, and the feed pipe can be taken out when cleaning is required.

[0011] Preferably, the cleaning component includes a scraper, a waste collection trough, a connecting rod and a shell cover; a circular scraper is arranged in the filter barrel, a waste collection trough is opened on the scraper, a connecting rod is connected to the scraper, a shell cover is arranged on the outer shell, the connecting rod is screwed to the bottom end of the shell cover, the scraper is fixed to the bottom end of the shell cover by the connecting rod, and the scraper moves upward in the filter barrel to scrape off the waste on the inner wall of the filter barrel and make it fall into the waste collection trough, so as to facilitate waste collection.

[0012] Preferably, the lifting assembly includes a lifting column and a lifting platform; a lifting column with a lifting groove on its surface is provided on the outer side of the outer shell, and a lifting platform is movably connected in the lifting groove, and the lifting platform is fixedly connected to the outer side of the shell cover. The shell cover and the cleaning assembly installed on the shell cover move upward by moving the lifting platform in the lifting groove to scrape the inner wall of the filter barrel.

[0013] Preferably, the lifting assembly also includes a threaded rod and a No. 2 motor; the threaded rod is inserted into the lifting slot, a screw hole matching the threaded rod is opened on the lifting platform, the lifting platform is screwed to the outside of the threaded rod, and a transmission element is installed on the lifting column to connect the No. 2 motor on the threaded rod, and the threaded rod is driven to rotate by the No. 2 motor. Under the restriction of the lifting slot, the lifting platform screwed on the threaded rod cannot rotate with the threaded rod, but moves up and down on the threaded rod.

[0014] Beneficial effects of the utility model:

[0015] By adding a cleaning component to a filter device for preparing a conductive slurry for lithium-ion batteries, the cleaning component is driven to move in a filter barrel by a lifting component, so that the cleaning component cleans the filter barrel and scrapes off waste materials adhering to the inner wall of the filter barrel, thereby cleaning the filter box mesh and preventing the mesh from being blocked by waste materials.

[0016] Motor No. 1 drives the screw and the filter barrel screwed on the screw to rotate, so that it can drive the conductive slurry inside to rotate, and the qualified conductive slurry is thrown out from the filter holes opened on the filter barrel through centrifugal force, so as to achieve the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The first three-dimensional structure schematic diagram of the filtering device for preparing the conductive slurry of lithium-ion batteries of the utility model is shown;

[0018] Figure 2 The present invention shows a three-dimensional structure schematic diagram of a filter barrel of a filter device for preparing a conductive slurry for lithium-ion batteries;

[0019] Figure 3 The present invention is a schematic diagram of the three-dimensional structure of the outer shell of the filter device for preparing the conductive slurry of lithium-ion batteries;

[0020] Figure 4 The schematic diagram of the three-dimensional structure of the cross-section of the outer shell of the filter device for preparing the conductive slurry of lithium-ion batteries of the utility model is shown;

[0021] Figure 5 Shown is a schematic diagram of the three-dimensional structure of the feed pipe and mounting seat of the filter device for preparing the conductive slurry of lithium-ion batteries of the utility model;

[0022] Figure 6 Shown is a three-dimensional structural schematic diagram of a cleaning component and a lifting component of a filtering device for preparing conductive slurry for lithium-ion batteries according to the utility model.

[0023] Explanation of the reference numerals in the accompanying drawings: 1. filter barrel; 2. outer shell; 3. discharge pipe; 4. support plate; 5. limit plate; 6. partition; 701. motor No. 1; 702. screw; 8. connecting rod; 9. feed pipe; 10. connecting seat; 1101. scraper; 1102. waste collecting trough; 1103. connecting rod; 1104. shell cover; 1201. lifting column; 1202. lifting platform; 1203. threaded rod; 1204. motor No. 2. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] See also Figure 1-Figure 6The utility model provides an embodiment: a filtering device for preparing conductive slurry of lithium-ion batteries comprises a filter barrel 1, a shell 2, a feed port, a discharge pipe 3, a rotating assembly, a cleaning assembly and a lifting assembly; the outer side of the filter barrel 1 is sleeved with the shell 2, the left side of the shell 2 is provided with a feed port, the right side of the shell 2 is fixedly connected with the discharge pipe 3, a rotating assembly for driving the filter barrel 1 to rotate is installed in the shell 2, a cleaning assembly is installed in the filter barrel 1, and a lifting assembly for moving the cleaning assembly is arranged on the outer side of the filter barrel 1. By adding a cleaning assembly in the filtering device, the cleaning assembly is driven to move in the filter barrel 1 by the lifting assembly, so that the cleaning assembly cleans the filter barrel 1 and scrapes off the waste material adhering to the inner wall of the filter barrel 1, so as to clean the mesh of the filter box and prevent the mesh from being blocked by waste material. The rotating assembly drives the filter barrel 1 to rotate, so that it can filter the conductive slurry through centrifugal force.

[0026] See also Figure 2-Figure 5 In this embodiment, a support plate 4 is fixedly connected in the shell 2, a limit plate 5 located above the support plate 4 is fixedly connected to the filter barrel 1, a partition 6 located below the support plate 4 is arranged in the shell 2, and the rotating assembly includes a No. 1 motor 701 and a screw 702; a No. 1 motor 701 installed in the shell 2 is arranged below the partition 6, a screw 702 is connected to the transmission element of the No. 1 motor 701, a hole groove matching the screw 702 is opened on the partition 6, the filter barrel 1 is screwed on the screw 702, and a connecting rod 8 located outside the feed port is fixedly connected to the shell 2; a feed pipe 9 is inserted in the feed port, and the feed port A connecting seat 10 screwed to the outside of the connecting rod 8 is fixedly connected to the tube 9. The support plate 4 can support the limit plate 5 and the filter barrel 1 connected to the limit plate 5. The partition 6 can distinguish the filtration area from the rotating component. The No. 1 motor 701 drives the screw 702 and the filter barrel 1 screwed to the screw 702 to rotate. The centrifugal force generated by the high-speed rotating filter barrel 1 is used to filter the conductive slurry. The conductive slurry is injected into the edge of the filter barrel 1 to facilitate centrifugal filtration. The feed pipe 9 can be fixed to the connecting rod 8 through the connecting seat 10. When cleaning is required, the feed pipe 9 is taken out.

[0027] See also Figure 1 , Figure 6In this embodiment, the cleaning component includes a scraper 1101, a waste collection groove 1102, a connecting rod 1103 and a shell cover 1104; a circular scraper 1101 is arranged in the filter box, a waste collection groove 1102 is opened on the scraper 1101, a connecting rod 1103 is connected to the scraper 1101, a shell cover 1104 is arranged on the outer shell 2, the connecting rod 1103 is screwed to the bottom end of the shell cover 1104, and the lifting component includes a lifting column 1201 and a lifting platform 1202; a lifting column 1201 with a lifting groove opened on the surface is arranged on the outer side of the outer shell 2, a lifting platform 1202 is movably connected in the lifting groove, and the lifting platform 1202 is fixedly connected to the outer side of the shell cover 1104, and the lifting component also includes a threaded rod 1203 and a second motor 1204; a threaded rod 1203 is inserted in the lifting groove, and a connecting rod 1103 is opened on the lifting platform 1202 The threaded rod 1203 has matching screw holes, and the lifting platform 1202 is screwed on the outer side of the threaded rod 1203. The lifting column 1201 is equipped with a transmission element connected to the No. 2 motor 1204 on the threaded rod 1203. The scraper 1101 moves upward in the filter barrel 1 to scrape the waste on the inner wall of the filter barrel 1 and make it fall into the waste collecting groove 1102, which is convenient for waste collection. The lifting platform 1202 moves in the lifting groove, and the shell cover 1104 and the cleaning component installed on the shell cover 1104 move upward to scrape the inner wall of the filter barrel 1. The threaded rod 1203 is driven to rotate by the No. 2 motor 1204. Under the limitation of the lifting groove, the lifting platform 1202 screwed on the threaded rod 1203 cannot rotate with the threaded rod 1203, but moves up and down on the threaded rod 1203.

[0028] When working, the staff first extends the filter barrel 1 into the outer shell 2, aligns the screw rod 702 with the screw hole at the bottom of the filter barrel 1, screws the filter barrel 1, and makes the limit plate 5 be located on the support plate 4, then screws the connecting rod 1103 to the bottom of the shell cover 1104, starts the No. 2 motor 1204, and the No. 2 motor 1204 drives the threaded rod 1203 to rotate. Under the limitation of the lifting slot, the lifting platform 1202 drives the shell cover 1104 to move downward, puts the scraper 1101 into the filter barrel 1, and makes the shell cover 1104 cover the outer shell 2, inserts the feed pipe 9 into the inlet, and screws the connecting seat 10 to the connecting rod 8;

[0029] Start the No. 1 motor 701, which drives the filter barrel 1 to rotate at a high speed, and feed the prepared lithium-ion battery conductive slurry from the feed pipe 9 into the filter barrel 1. Under the centrifugal force generated by the high-speed rotation, the qualified conductive slurry is thrown out from the mesh on the filter barrel, and the valve on the discharge pipe 3 is opened to remove the conductive slurry, while the waste material is left on the inner wall of the filter barrel 1;

[0030] Start the No. 2 motor 1204, which drives the threaded rod 1203 to rotate, and drives the scraper 1101 to move upward to scrape the waste on the inner wall of the filter barrel 1. The waste falls into the waste collection tank 1102. When the cleaning component moves to a certain height, twist the connecting rod 1103 to remove it and clean it, waiting for the next use.

[0031] Through the above steps, a cleaning component is added to the filtering device for preparing the conductive slurry of lithium-ion batteries, and the cleaning component is driven to move in the filter barrel 1 by the lifting component, so that the cleaning component cleans the filter barrel 1 and scrapes off the waste adhered to the inner wall of the filter barrel 1, thereby cleaning the mesh of the filter box and preventing the mesh from being blocked by the waste. This solves the problem that in the process of filtering the conductive slurry in the existing filtering device, the waste will stick to the inner wall of the filter barrel 1, causing the mesh to be blocked, thereby affecting the subsequent filtering effect.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A filtering device for preparing a conductive slurry for lithium-ion batteries, comprising a filtering barrel (1), a housing (2), a feed inlet and a discharge pipe (3); characterized in that: It also includes a rotating assembly, a cleaning assembly and a lifting assembly; the outer side of the filter barrel (1) is sleeved with an outer shell (2), the left side of the outer shell (2) is provided with a feed inlet, the right side of the outer shell (2) is fixedly connected with a discharge pipe (3), a rotating assembly for driving the filter barrel (1) to rotate is installed in the outer shell (2), a cleaning assembly is installed in the filter barrel (1), and a lifting assembly for moving the cleaning assembly is arranged on the outer side of the filter barrel (1), the cleaning assembly includes a scraper (1101), a waste collection tank (1102), a connecting rod (1103) and a shell cover (1104); a circular scraper (1101) is arranged in the filter barrel (1) The scraper (1101) is provided with a waste collection groove (1102), the scraper (1101) is connected with a connecting rod (1103), the outer shell (2) is provided with a shell cover (1104), the connecting rod (1103) is screwed to the bottom end of the shell cover (1104), and the lifting component comprises a lifting column (1201) and a lifting platform (1202); the outer shell (2) is provided with a lifting column (1201) with a lifting groove on the surface, the lifting platform (1202) is movably connected in the lifting groove, and the lifting platform (1202) is fixedly connected to the outer side of the shell cover (1104).

2. The filtering device for preparing a conductive slurry for lithium-ion batteries according to claim 1, characterized in that: A support plate (4) is fixedly connected inside the outer shell (2), a limit plate (5) located above the support plate (4) is fixedly connected to the filter barrel (1), and a partition plate (6) located below the support plate (4) is provided inside the outer shell (2).

3. The filtering device for preparing a conductive slurry for lithium-ion batteries according to claim 2, characterized in that: The rotating assembly comprises a No. 1 motor (701) and a screw (702); the No. 1 motor (701) installed in the housing (2) is arranged below the partition (6); the screw (702) is connected to the transmission element of the No. 1 motor (701); a hole groove matching the screw (702) is opened on the partition (6); and the filter barrel (1) is screwed onto the screw (702).

4. The filtering device for preparing a conductive slurry for lithium-ion batteries according to claim 3, characterized in that: A connecting rod (8) located outside the feed port is fixedly connected to the outer shell (2); a feed pipe (9) is inserted into the feed port, and a connecting seat (10) screwed to the outside of the connecting rod (8) is fixedly connected to the feed pipe (9).

5. The filtering device for preparing a conductive slurry for lithium-ion batteries according to claim 1, characterized in that: The lifting assembly also includes a threaded rod (1203) and a second motor (1204); the threaded rod (1203) is inserted into the lifting groove, a screw hole matching the threaded rod (1203) is opened on the lifting platform (1202), the lifting platform (1202) is screwed to the outside of the threaded rod (1203), and a transmission element is installed on the lifting column (1201) and connected to the second motor (1204) on the threaded rod (1203).

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