Spherical graphite classifier facilitating feeding and classification method

Abstract

The spherical graphite classifier comprises a feeding mechanism and a classification box, a feeding hopper is installed on the upper end face of the classification box, a material uniformizing assembly is installed in the feeding hopper, a discharging bin is arranged at the bottom of the classification box, a discharging pipe is installed at the bottom end of the discharging bin, and the classification box is fixed to a supporting frame. According to the spherical graphite grading device, the structural design is novel, operation is convenient, spherical graphite can be evenly fed and can evenly enter the grading box, grading screening can be achieved, and the grading efficiency of the spherical graphite is improved.

Description

Technical Field

[0001] The invention relates to the technical field of spherical graphite classification, in particular to a spherical graphite classifier and a classification method which are convenient for loading. Background Art

[0002] Spherical graphite is made of high-quality high-carbon natural flake graphite as raw material, and the graphite surface is modified by advanced processing technology to produce graphite products of different fineness and elliptical spherical shape. Spherical graphite materials have good conductivity, high crystallinity, low cost, high theoretical lithium insertion capacity, low and flat charge and discharge potential, etc. They are an important part of the negative electrode material of lithium-ion batteries and are the replacement products of negative electrode materials for lithium-ion battery production at home and abroad. They have excellent conductivity and chemical stability, high charge and discharge capacity, long cycle life, and are green and environmentally friendly.

[0003] The particle diameters of spherical graphite are uniform and different, and classification is required during processing. The existing classification devices have poor classification effects and high labor costs. Therefore, it is necessary to design a spherical graphite classifier that is easy to load. Summary of the invention

[0004] The object of the present invention is to provide a spherical graphite classifier and a classification method which are convenient for loading, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a spherical graphite classifier that is easy to load, comprising a loading mechanism and a grading box, a feed hopper is installed on the upper end surface of the grading box, a material leveling component is installed inside the feed hopper, a discharge bin is arranged at the bottom of the grading box, a discharge pipe is installed at the bottom of the discharge bin, the grading box is fixed on a support frame, and multiple groups of grading components are installed in the inner cavity of the grading box from top to bottom.

[0006] Preferably, the present application provides a spherical graphite classifier that is easy to load, wherein a multi-group grading assembly includes a first grading assembly, a second grading assembly and a third grading assembly, the first grading assembly includes a first mounting plate, a first screening plate, a first push-pull hydraulic cylinder and a first guide column symmetrically arranged on the inner wall of the grading box, the tail end of the first push-pull hydraulic cylinder is fixed to the first mounting plate, and the telescopic end is connected to the first screening plate, and the first guide column is installed between the outer side wall of the first screening plate and the first mounting plate.

[0007] Preferably, the present application provides a spherical graphite classifier that is easy to load, wherein the second grading assembly includes a second mounting plate, a second screening plate, a second push-pull hydraulic cylinder and a second guide column symmetrically arranged on the inner wall of the grading box, the tail end of the second push-pull hydraulic cylinder is fixed to the second mounting plate, and the telescopic end is connected to the second screening plate, and the second guide column is installed between the outer side wall of the second screening plate and the second mounting plate.

[0008] Preferably, the present application provides a spherical graphite classifier that is easy to load, wherein the third grading assembly includes a third mounting plate, a third screening plate, a third push-pull hydraulic cylinder and a third guide column symmetrically arranged on the inner wall of the grading box, the tail end of the third push-pull hydraulic cylinder is fixed to the third mounting plate, and the telescopic end is connected to the third screening plate, and the third guide column is installed between the outer side wall of the third screening plate and the third mounting plate.

[0009] Preferably, the present application provides a spherical graphite classifier that is easy to load, wherein baffle plates are installed on both sides of the upper end surfaces of the first sieve plate, the second sieve plate, and the third sieve plate; and the sieve holes of the first sieve plate, the second sieve plate, and the third sieve plate decrease successively.

[0010] Preferably, the present application provides a spherical graphite classifier that is easy to load, wherein the loading mechanism includes a first transmission roller, a second transmission roller, a third transmission roller, a mounting bracket and a conveyor belt, the first transmission roller, the second transmission roller and the third transmission roller are all mounted on the mounting bracket, the conveyor belt is installed end to end on the outside of the first transmission roller, the second transmission roller and the third transmission roller, and the third transmission roller is located directly above the feed hopper.

[0011] Preferably, the present application provides a spherical graphite classifier that is easy to load, wherein the material leveling assembly includes a rotating shaft and a material leveling plate, the material leveling plate is installed on the outside of the rotating shaft, and both ends of the rotating shaft are respectively placed on the inner side wall of the feed hopper.

[0012] Preferably, the present application provides a spherical graphite classifier that is easy to load, wherein the classification method thereof comprises the following steps:

[0013] A. Place the spherical graphite to be classified on the surface of the conveyor belt. When the conveyor belt rotates, the spherical graphite is transported to the top of the feed hopper and thrown into the feed hopper;

[0014] B. The material-scaling component sends the spherical graphite into the grading box after the material is scalded;

[0015] C. The spherical graphite falls onto the surface of the first screening plate, and the first telescopic hydraulic cylinder is controlled to work reciprocatingly. The first screening plate reciprocates and vibrates to classify the spherical graphite once;

[0016] D. After the first classification, the spherical graphite falls onto the surface of the second screening plate, and the second telescopic hydraulic cylinder is controlled to work reciprocatingly, and the second screening plate reciprocates to vibrate and classify the spherical graphite for the second time;

[0017] E. After the secondary classification, the spherical graphite falls onto the surface of the third screening plate, and the third telescopic hydraulic cylinder is controlled to work reciprocatingly. The third screening plate reciprocates and vibrates to classify the spherical graphite three times;

[0018] F. The spherical graphite after the third level classification is discharged into the external collection box, and then the spherical graphite after the first and second levels classification is manually taken out.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] (1) The present invention has novel structural design and is easy to operate. It can evenly feed spherical graphite, evenly feed it into the grading box, and can achieve graded screening, thereby improving the grading efficiency of spherical graphite.

[0021] (2) The grading box of the present invention is equipped with three groups of grading components, which can realize multi-stage screening of spherical graphite and improve the grading effect of spherical graphite.

[0022] (3) The feeding mechanism adopted in the present invention can achieve uniform feeding without manual feeding, thus reducing labor costs and improving the spherical graphite classification efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the installation of the grading components of the present invention;

[0025] Figure 3 is a flow chart of the classification method of the present invention;

[0026] In the figure: a grading box 1, a feed hopper 2, a discharge bin 3, a discharge pipe 4, a support frame 5, a first mounting plate 6, a first screening plate 7, a first push-pull hydraulic cylinder 8, a first guide column 9, a second mounting plate 10, a second screening plate 11, a second push-pull hydraulic cylinder 12, a second guide column 13, a third mounting plate 14, a third screening plate 15, a third push-pull hydraulic cylinder 16, a third guide column 17, a material baffle plate 18, a first transmission roller 19, a second transmission roller 20, a third transmission roller 21, a mounting bracket 22, a conveyor belt 23, a rotating shaft 24, and a material leveling plate 25. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] It should be noted that when an element is referred to as being "fixed on" or "set on" another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application 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 operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0031] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that can be implemented in this application, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed in this application without affecting the effects that can be produced by this application and the purposes that can be achieved. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of narration, and are not used to limit the scope of the implementation of this application. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of this application without substantial change in the technical content.

[0032] See also Figure 1-3The present invention provides a technical solution: a spherical graphite classifier that is easy to load, including a loading mechanism and a classification box 1, a feed hopper 2 is installed on the upper end surface of the classification box 1, a material leveling component is installed inside the feed hopper 2, a discharge bin 3 is arranged at the bottom of the classification box 1, a discharge pipe 4 is installed at the bottom of the discharge bin 3, the classification box 1 is fixed on a support frame 5, and multiple groups of classification components are installed in the inner cavity of the classification box 1 from top to bottom. The material leveling component includes a rotating shaft 24 and a material leveling plate 25, the material leveling plate 25 is installed outside the rotating shaft 24, and the two ends of the rotating shaft 24 are respectively placed on the inner side wall of the feed hopper 2, and the material leveling component can ensure the uniformity of the material entering the classification box.

[0033] In the present invention, the multi-group grading assembly includes a first grading assembly, a second grading assembly and a third grading assembly. The first grading assembly includes a first mounting plate 6, a first screening plate 7, a first push-pull hydraulic cylinder 8 and a first guide column 9 symmetrically arranged on the inner wall of the grading box 1. The tail end of the first push-pull hydraulic cylinder 8 is fixed to the first mounting plate 6, and the telescopic end is connected to the first screening plate 7. The first guide column 9 is installed between the outer wall of the first screening plate 7 and the first mounting plate 6; the second grading assembly includes a second mounting plate 10, a second screening plate 11, a second push-pull hydraulic cylinder 12 and a second guide column 13 symmetrically arranged on the inner wall of the grading box 1. The tail end of the second push-pull hydraulic cylinder 12 is fixed to the second mounting plate 10, and the telescopic end is connected to the second The sieve plate 11 is connected, and the second guide column 13 is installed between the outer wall of the second sieve plate 11 and the second mounting plate 10; the third grading assembly includes a third mounting plate 14, a third sieve plate 15, a third push-pull hydraulic cylinder 16 and a third guide column 17 symmetrically arranged on the inner wall of the grading box 1, the tail end of the third push-pull hydraulic cylinder 16 is fixed to the third mounting plate 14, and the telescopic end is connected to the third sieve plate 15, and the third guide column 17 is installed between the outer wall of the third sieve plate 15 and the third mounting plate 14; the first sieve plate 7, the second sieve plate 11, and the third sieve plate 15 are respectively installed with a material blocking plate 18 on both sides of the upper end surface; the sieve holes of the first sieve plate 7, the second sieve plate 11, and the third sieve plate 15 are successively reduced. The grading box of the present invention is equipped with three groups of grading assemblies, which can realize multi-stage screening of spherical graphite and improve the grading effect of spherical graphite.

[0034] In addition, in the present invention, the feeding mechanism includes a first transmission roller 19, a second transmission roller 20, a third transmission roller 21, a mounting bracket 22 and a conveying belt 23, wherein the first transmission roller 19, the second transmission roller 20 and the third transmission roller 21 are all mounted on the mounting bracket 22, and the conveying belt 23 is mounted end to end on the outside of the first transmission roller 19, the second transmission roller 20 and the third transmission roller 21, and the third transmission roller 21 is located directly above the feed hopper 2. The feeding mechanism used in the present invention can realize uniform feeding without manual feeding, thereby reducing labor costs and improving the grading efficiency of spherical graphite.

[0035] Working principle: The classification method of the present invention comprises the following steps:

[0036] A. Place the spherical graphite to be classified on the surface of the conveyor belt. When the conveyor belt rotates, the spherical graphite is transported to the top of the feed hopper and thrown into the feed hopper;

[0037] B. The material-scaling component sends the spherical graphite into the grading box after the material is scalded;

[0038] C. The spherical graphite falls onto the surface of the first screening plate, and the first telescopic hydraulic cylinder is controlled to work reciprocatingly. The first screening plate reciprocates and vibrates to classify the spherical graphite once;

[0039] D. After the first classification, the spherical graphite falls onto the surface of the second screening plate, and the second telescopic hydraulic cylinder is controlled to work reciprocatingly, and the second screening plate reciprocates to vibrate and classify the spherical graphite for the second time;

[0040] E. After the secondary classification, the spherical graphite falls onto the surface of the third screening plate, and the third telescopic hydraulic cylinder is controlled to work reciprocatingly. The third screening plate reciprocates and vibrates to classify the spherical graphite three times;

[0041] F. The spherical graphite after the third level classification is discharged into the external collection box, and then the spherical graphite after the first and second levels classification is manually taken out.

[0042] In summary, the present invention has novel structural design and convenient operation, can uniformly feed spherical graphite, can uniformly enter the grading box, and can achieve graded screening, thereby improving the grading efficiency of spherical graphite.

[0043] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to software and methods.

[0044] It should also be noted that, in this specification, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

Claims

1. A spherical graphite classifier for easy loading, comprising a loading mechanism and a classification box (1), characterized in that: A feed hopper (2) is installed on the upper end surface of the grading box (1), a material leveling component is installed inside the feed hopper (2), a discharge bin (3) is arranged at the bottom of the grading box (1), a discharge pipe (4) is installed at the bottom of the discharge bin (3), the grading box (1) is fixed on a support frame (5), and a plurality of grading components are installed in the inner cavity of the grading box (1) from top to bottom.

2. A spherical graphite classifier that is easy to load according to claim 1, characterized in that: The multi-group grading assembly comprises a first grading assembly, a second grading assembly and a third grading assembly, wherein the first grading assembly comprises a first mounting plate (6), a first screening plate (7), a first push-pull hydraulic cylinder (8) and a first guide column (9) symmetrically arranged on the inner wall of a grading box (1), the tail end of the first push-pull hydraulic cylinder (8) is fixed to the first mounting plate (6), and the telescopic end is connected to the first screening plate (7), and the first guide column (9) is installed between the outer wall of the first screening plate (7) and the first mounting plate (6).

3. A spherical graphite classifier that is easy to load according to claim 1, characterized in that: The second grading assembly comprises a second mounting plate (10), a second screening plate (11), a second push-pull hydraulic cylinder (12) and a second guide column (13) symmetrically arranged on the inner wall of the grading box (1); the tail end of the second push-pull hydraulic cylinder (12) is fixed to the second mounting plate (10), and the telescopic end is connected to the second screening plate (11); the second guide column (13) is installed between the outer wall of the second screening plate (11) and the second mounting plate (10).

4. A spherical graphite classifier for easy loading according to claim 1, characterized in that: The third grading assembly comprises a third mounting plate (14), a third screening plate (15), a third push-pull hydraulic cylinder (16) and a third guide column (17) symmetrically arranged on the inner wall of the grading box (1); the tail end of the third push-pull hydraulic cylinder (16) is fixed to the third mounting plate (14), and the telescopic end is connected to the third screening plate (15); the third guide column (17) is installed between the outer wall of the third screening plate (15) and the third mounting plate (14).

5. A spherical graphite classifier for easy loading according to claim 2, characterized in that: Material blocking plates (18) are respectively installed on both sides of the upper end surfaces of the first sieve plate (7), the second sieve plate (11) and the third sieve plate (15); the sieve holes of the first sieve plate (7), the second sieve plate (11) and the third sieve plate (15) decrease in sequence.

6. A spherical graphite classifier for easy loading according to claim 1, characterized in that: The feeding mechanism comprises a first transmission roller (19), a second transmission roller (20), a third transmission roller (21), a mounting bracket (22) and a conveying belt (23); the first transmission roller (19), the second transmission roller (20) and the third transmission roller (21) are all mounted on the mounting bracket (22); the conveying belt (23) is mounted end to end on the outside of the first transmission roller (19), the second transmission roller (20) and the third transmission roller (21); the third transmission roller (21) is located directly above the feed hopper (2).

7. A spherical graphite classifier for easy loading according to claim 1, characterized in that: The material leveling assembly comprises a rotating shaft (24) and a material leveling plate (25). The material leveling plate (25) is installed outside the rotating shaft (24). Both ends of the rotating shaft (24) are respectively placed on the inner side wall of the feed hopper (2).

8. A classification method for a spherical graphite classifier that is easy to load as described in claim 1, characterized in that: The grading method includes the following steps: A. Place the spherical graphite to be classified on the surface of the conveyor belt. When the conveyor belt rotates, the spherical graphite is transported to the top of the feed hopper and thrown into the feed hopper; B. The material-scaling component sends the spherical graphite into the grading box after the material is scalded; C. The spherical graphite falls onto the surface of the first screening plate, and the first telescopic hydraulic cylinder is controlled to work reciprocatingly, and the first screening plate reciprocates to perform a classification of the spherical graphite; D. After the first classification, the spherical graphite falls onto the surface of the second screening plate, and the second telescopic hydraulic cylinder is controlled to work reciprocatingly, and the second screening plate reciprocates to vibrate and classify the spherical graphite for the second time; E. After the secondary classification, the spherical graphite falls onto the surface of the third screening plate, and the third telescopic hydraulic cylinder is controlled to work reciprocatingly. The third screening plate reciprocates and vibrates to classify the spherical graphite three times; F. The spherical graphite after the third level classification is discharged into the external collection box, and then the spherical graphite after the first and second levels classification is manually taken out.

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