Battery positive electrode material filtering and screening device

Abstract

The utility model relates to the technical field of battery positive electrode materials, in particular to a battery positive electrode material filtering and screening device. According to the technical scheme, the device comprises supporting legs, a filtering box, a movable cover, a motor, a screening cylinder and clamping strips, a discharging pipe is installed in the middle of the lower end of the filtering box in a communicating mode, limiting strips are fixed to the inner side of the filtering box in an annular array mode, a limiting ring is fixed to the outer side of the upper end of the filtering box, and a filtering net is fixed to the inner side of the lower end of the screening cylinder; four clamping strips are fixed to the outer side of the screening cylinder in an annular array mode, the screening cylinder is placed in the filtering box, the clamping strips are located in limiting strips, the motor is fixed to the middle of the upper end face of the movable cover, a movable shaft is movably installed in the middle of the lower end of the motor, and three scraping plates are fixed to the outer side of the lower end of the movable shaft in an annular array mode. Four fixing buckles are fixed to the outer side of the movable cover in an annular array mode. The device has the advantage of being favorable for filtering and screening the positive electrode material of the battery.

Description

Technical Field

[0001] The utility model relates to the technical field of battery positive electrode materials, in particular to a battery positive electrode material filtering and screening device. Background Art

[0002] The positive electrode material of the battery is part of the material that constitutes the lithium-ion battery and is the electrode where the reduction reaction occurs in the battery. In lithium-ion batteries, the positive electrode material is usually a lithium-containing compound, such as oxides, phosphates, etc. At the same time, the positive electrode material needs to have high specific capacity, high redox potential, good cycle life, high lithium ion diffusion coefficient and electronic conductivity, good chemical and thermal stability, as well as environmental protection and low cost. These performance requirements determine the key indicators of the battery, such as energy density, voltage, charge and discharge rate, number of cycles and safety.

[0003] The filtering and screening of positive electrode materials for batteries is mainly to remove impurities, particles and fibers in the materials to improve the purity, uniformity and stability of the positive electrode materials. These impurities and particles may have a negative impact on the performance of the battery. In order to facilitate the filtering and screening of positive electrode materials for batteries, a device that is conducive to filtering and screening positive electrode materials for batteries is now needed. Utility Model Content

[0004] The purpose of the utility model is to provide a battery positive electrode material filtering and screening device, which has the advantage of being conducive to filtering and screening the battery positive electrode material, solves the problem that impurities and particles may have a negative impact on the performance of the battery, and is convenient for filtering and screening the battery positive electrode material.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a battery positive electrode material filtering and screening device, comprising supporting legs, a filter box, a movable cover, a motor, a screening cylinder and a clamping strip, wherein a discharge pipe is connected and installed in the middle of the lower end of the filter box, a limiting strip is fixed to the inner annular array of the filter box, a limiting ring is fixed to the outer side of the upper end of the filter box, a filter net is fixed to the inner side of the lower end of the screening cylinder, four clamping strips are fixed to the outer annular array of the screening cylinder, the screening cylinder is placed inside the filter box, and the clamping strip is located in the limiting strip, the motor is fixed in the middle of the upper end surface of the movable cover, a movable shaft is movably installed in the middle of the lower end of the motor, three scrapers are fixed to the outer annular array of the lower end of the movable shaft, four fixing buckles are fixed to the outer annular array of the movable cover, the movable cover is fixed to the limiting ring through the fixing buckles, and the scraper is located in the screening cylinder.

[0006] Preferably, there are four supporting legs in total, and the four supporting legs are fixed at the lower end of the filter box in a circular array.

[0007] Preferably, the height of the screening cylinder is smaller than the inner depth of the filter box, the inner radius of the screening cylinder is larger than the length of the scraper, and the lower side of the scraper fits with the upper side of the filter screen.

[0008] Preferably, the height of the clamping strip is equal to the height of the screening drum, and the width of the clamping strip is matched to the inner width of the limiting strip.

[0009] Preferably, the upper end of the limiting ring is flush with the upper end of the filter box, and the outer diameter of the movable cover is flush with the outer diameter of the limiting ring.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model is beneficial to the effect of filtering and screening the positive electrode material of the battery by arranging the scraper and the filter net. The screening cylinder is placed in the filter box. At the same time, the limiting strip and the card strip can be used to limit the screening cylinder, and the positive electrode material of the battery is loaded into the screening cylinder. At the same time, the scraper is placed inside the screening cylinder through the movable cover, and the motor is connected to the power supply to drive the rotation of the movable shaft and the scraper to achieve filtering and screening of the positive electrode material of the battery in the screening cylinder. The impurities and particles of the filtered positive electrode material of the battery are located on the upper side of the filter net. By taking out the screening cylinder, the impurities and particles can be cleaned up centrally.

[0012] 2. The utility model is advantageous for the centralized collection of the filtered and screened positive electrode materials of the batteries by providing a discharge pipe and a filter box. After the positive electrode materials of the batteries are filtered and screened through the filter net, they fall into the filter box. Meanwhile, the positive electrode materials of the batteries in the filter box can be discharged outwards through the discharge pipe, which is convenient for the centralized collection of the positive electrode materials of the batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the motor and scraper structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the top view structure of the screening cylinder of the utility model;

[0016] Figure 4 It is a schematic diagram of the top view structure of the filter box of the utility model.

[0017] In the figure: 1. Support leg; 2. Discharge pipe; 3. Limit bar; 4. Filter box; 5. Fixing buckle; 6. Limit ring; 7. Movable cover; 8. Motor; 9. Movable shaft; 10. Screening cylinder; 11. Cardan; 12. Scraper; 13. Filter net. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Embodiment 1

[0022] See also Figures 1 to 4 , the utility model provides an embodiment: a battery positive electrode material filtering and screening device, comprising a supporting leg 1, a filter box 4, a movable cover 7, a motor 8, a screening drum 10 and a clamping strip 11. The middle of the lower end of the filter box 4 is connected and installed with a discharge pipe 2, the inner ring array of the filter box 4 is fixed with a limiting strip 3, the upper outer side of the filter box 4 is fixed with a limiting ring 6, the inner side of the lower end of the screening drum 10 is fixed with a filter screen 13, the outer ring array of the screening drum 10 is fixed with four clamping strips 11, the screening drum 10 is placed inside the filter box 4, and the clamping strip 11 is located in the limiting strip 3, the motor 8 is fixed at the middle of the upper end surface of the movable cover 7, and a movable shaft 9 is movably installed at the middle of the lower end of the motor 8. Three scrapers 12 are fixed in an outer ring array at the lower end of the movable shaft 9, and four fixing buckles 5 are fixed in an outer ring array of the movable cover 7. The movable cover 7 is fixed on the limiting ring 6 through the fixing buckles 5, and the scraper 12 is located in the screening drum 10.

[0023] The height of the screening cylinder 10 is smaller than the inner depth of the filter box 4 , the inner radius of the screening cylinder 10 is larger than the length of the scraper 12 , and the lower side of the scraper 12 fits with the upper side of the filter screen 13 .

[0024] The height of the clamping strip 11 is equal to the height of the screening drum 10 , and the width of the clamping strip 11 is matched to the inner width of the limiting strip 3 .

[0025] The upper end of the limiting ring 6 is flush with the upper end of the filter box 4 , and the outer diameter of the movable cover 7 is flush with the outer diameter of the limiting ring 6 .

[0026] The screening cylinder 10 is placed in the filter box 4. At the same time, the screening cylinder 10 can be limited by the limit bar 3 and the clamping bar 11, and the positive electrode material of the battery is loaded into the screening cylinder 10. At the same time, the scraper 12 is placed inside the screening cylinder 10 through the movable cover 7, and the motor 8 is powered on to drive the movable shaft 9 and the scraper 12 to rotate, so as to filter and screen the positive electrode material of the battery in the screening cylinder 10. The impurities and particles of the filtered positive electrode material of the battery are located on the upper side of the filter screen 13. By taking out the screening cylinder 10, the impurities and particles can be cleaned centrally.

[0027] Embodiment 2

[0028] See also Figures 1 to 4 , the utility model provides an embodiment: a battery positive electrode material filtering and screening device. Compared with the first embodiment, the present embodiment further includes: a supporting leg 1, a filter box 4, a movable cover 7, a motor 8, a screening cylinder 10 and a clamping strip 11. A discharge pipe 2 is connected and installed at the middle of the lower end of the filter box 4. A limiting strip 3 is fixed to the inner ring array of the filter box 4. A limiting ring 6 is fixed to the outer side of the upper end of the filter box 4. A filter screen 13 is fixed to the inner side of the lower end of the screening cylinder 10. Four clamping strips 11 are fixed to the outer ring array of the screening cylinder 10. The screening cylinder 10 is placed inside the filter box 4, and the clamping strip 11 is located in the limiting strip 3. The motor 8 is fixed to the middle of the upper end surface of the movable cover 7. A movable shaft 9 is movably installed at the middle of the lower end of the motor 8. Three scrapers 12 are fixed to the outer ring array of the lower end of the movable shaft 9. Four fixing buckles 5 are fixed to the outer ring array of the movable cover 7. The movable cover 7 is fixed to the limiting ring 6 through the fixing buckles 5, and the scraper 12 is located in the screening cylinder 10.

[0029] There are four supporting legs 1 in total, and the four supporting legs 1 are fixed at the lower end of the filter box 4 in a circular array.

[0030] After being filtered and screened by the filter screen 13 , the positive electrode materials of the battery fall into the filter box 4 . Meanwhile, the positive electrode materials of the battery in the filter box 4 can be discharged outward through the discharge pipe 2 , so as to facilitate the centralized collection of the positive electrode materials of the battery.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A battery positive electrode material filtering and screening device, comprising a support leg (1), a filter box (4), a movable cover (7), a motor (8), a screening cylinder (10) and a clamping bar (11), characterized in that: A discharge pipe (2) is connected and installed in the middle of the lower end of the filter box (4); a limiting strip (3) is fixed in an annular array inside the filter box (4); a limiting ring (6) is fixed on the outer side of the upper end of the filter box (4); a filter screen (13) is fixed on the inner side of the lower end of the screening cylinder (10); four clamping strips (11) are fixed in an annular array outside the screening cylinder (10); the screening cylinder (10) is placed inside the filter box (4), and the clamping strips (11) are located The motor (8) is fixed in the middle of the upper end surface of the movable cover (7) in the limiting strip (3), a movable shaft (9) is movably mounted in the middle of the lower end of the motor (8), three scrapers (12) are fixed in a circular array on the outer side of the lower end of the movable shaft (9), four fixing buckles (5) are fixed in a circular array on the outer side of the movable cover (7), the movable cover (7) is fixed to the limiting ring (6) through the fixing buckles (5), and the scrapers (12) are located in the screening drum (10).

2. A battery positive electrode material filtering and screening device according to claim 1, characterized in that: There are four supporting legs (1) in total, and the four supporting legs (1) are fixed in a circular array at the lower end of the filter box (4).

3. A battery positive electrode material filtering and screening device according to claim 1, characterized in that: The height of the screening cylinder (10) is smaller than the internal depth of the filter box (4), the inner radius of the screening cylinder (10) is larger than the length of the scraper (12), and the lower side of the scraper (12) fits the upper side of the filter screen (13).

4. A battery positive electrode material filtering and screening device according to claim 1, characterized in that: The height of the clamping strip (11) is equal to the height of the screening drum (10), and the width of the clamping strip (11) is matched to the inner width of the limiting strip (3).

5. The battery positive electrode material filtering and screening device according to claim 1, characterized in that: The upper end of the limiting ring (6) is flush with the upper end of the filter box (4), and the outer diameter of the movable cover (7) is flush with the outer diameter of the limiting ring (6).

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