A multiple grinding device for processing graphite negative electrode powder

Abstract

The utility model discloses a multiple grinding device for processing graphite negative electrode powder, and relates to the technical field of graphite negative electrode powder processing. The utility model comprises a table top, the top end of the table top is fixedly connected with a box body, the interior of the box body is provided with a dumping device, the top end of the table top is provided with a grinding device, the grinding device comprises a fixed box and four rollers, the bottom end of the fixed box is fixedly connected to one side of the top end of the table top, one end of the fixed box is provided with a motor, the output end of the motor passes through one end of the fixed box and is fixedly connected with a first bevel gear, the outer surface of the first bevel gear is meshedly connected with two second bevel gears, one end of the two second bevel gears are fixedly connected with a first rotating shaft, one end of the two first rotating shafts passes through the inner walls on both sides of the fixed box, the utility model can crush larger agglomerates in graphite into fine powder, and the ground graphite negative electrode powder can be effectively poured out.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite negative electrode powder processing, in particular to a multiple grinding device for processing graphite negative electrode powder. Background Art

[0002] The negative electrode graphite material of lithium battery is the graphite negative electrode material of lithium-ion battery. During the production process of the negative energy graphite material of lithium battery, the graphite material needs to be ground by a grinding device. In order to ensure the grinding effect of the graphite material, the graphite material needs to be ground multiple times.

[0003] However, the prior art still has the following problems:

[0004] First of all, since there are some larger agglomerates in the graphite, it is impossible to effectively crush the larger agglomerates in the graphite raw materials into fine powder. Inadequate grinding and crushing will reduce the processing quality and seriously affect the efficiency of graphite negative electrode powder processing.

[0005] Secondly, the multiple grinding devices for processing graphite negative electrode powder currently on the market need to pour out the graphite negative electrode powder after finishing grinding the graphite raw material. However, the existing multiple grinding devices for processing graphite negative electrode powder on the market cannot effectively pour out the graphite negative electrode powder ground inside the equipment, which is time-consuming and labor-intensive.

[0006] In view of the above problems, the inventors proposed a multi-grinding device for processing graphite negative electrode powder to solve the above problems. Utility Model Content

[0007] In order to solve the problem that larger agglomerates in graphite raw materials cannot be effectively crushed into fine powder and the ground graphite negative electrode powder cannot be effectively poured out; the purpose of the utility model is to provide a multiple grinding device for processing graphite negative electrode powder.

[0008] To solve the above technical problems, the utility model adopts the following technical scheme: a multiple grinding device for processing graphite negative electrode powder, comprising a table, the top of the table is fixedly connected to a box body, the interior of the box body is provided with a dumping device, the top of the table is provided with a grinding device, the grinding device comprises a fixed box and four rollers, the bottom end of the fixed box is fixedly connected to one side of the top of the table, one end of the fixed box is provided with a motor, the output end of the motor passes through one end of the fixed box and is fixedly connected to a first bevel gear, the outer surface of the first bevel gear is meshed and connected to two second bevel gears, one end of the two second bevel gears are fixedly connected to a first rotating shaft, and the rotation of the second bevel gears drives the first rotating shaft to rotate respectively, one end of the two first rotating shafts passes through the inner walls on both sides of the fixed box, one end of the two first rotating shafts is fixedly connected to one end of the lower roller respectively, the inner walls on both sides of the box body are penetrated and connected to the second rotating shaft, one end of the two second rotating shafts are sleeved The cam is connected with the second cam at the bottom end of the second cam, and the cam is connected with the second cam at the bottom end of the second cam, and the cam is connected with the second cam at the bottom end of the second cam.

[0009] Preferably, the dumping device includes a slide plate, one end of which is rotatably connected to an inner wall of one side of the box body, guide plates are fixedly connected to both sides of the top of the slide plate, one end of the two guide plates is fixedly connected to a limiting rod, first through grooves are provided at both ends of the box body, connecting plates are fixedly connected to the lower parts of both ends of the box body, both side inner walls of the two connecting plates are rotatably connected to the limiting plates together, the inner wall of the first through groove is fitted with the outer surface of the limiting rod, the limiting rod rotates in the inner wall of the first through groove, one end of the two limiting plates is threaded with a first bolt, and one end of the two first bolts respectively penetrates the inner walls of the two sides of the box body.

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

[0011] 1. The utility model can rotate the first screen frame on the outer surface of the second screen frame, and the graphite raw material is continuously ground and crushed inside the first screen frame and the second screen frame, thereby achieving the purpose of effectively crushing the larger agglomerates in the graphite raw material into fine powder;

[0012] 2. The utility model can allow the graphite negative electrode powder on the top of the two guide plates to fall from the inner wall of the second through groove opened at the lower part of one end of the box and the top side of the table in sequence, thereby achieving the purpose of effectively pouring out the ground graphite negative electrode powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the grinding device of the utility model.

[0016] Figure 3 It is a cutaway schematic diagram of the grinding device of the utility model.

[0017] Figure 4 It is a schematic diagram of the dumping device of the utility model.

[0018] In the figure: 1, table; 2, box body; 3, tipping device; 4, grinding device; 5, second through groove; 31, slide plate; 32, guide plate; 33, limit rod; 34, first through groove; 35, connecting plate; 36, limit plate; 37, first bolt; 401, fixing box; 402, motor; 403, first bevel gear; 404, second bevel gear; 405, first rotating shaft; 406, roller; 407, belt; 408, second rotating shaft; 409, fixing plate; 410, first screen frame; 411, second screen frame; 412, hole; 413, box door; 414, handle; 415, first crushing roller; 416, second crushing roller. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment 1: Figure 1-4 As shown, the utility model provides a multiple grinding device for processing graphite negative electrode powder, comprising a table 1, a box body 2 is fixedly connected to the top of the table 1, a dumping device 3 is arranged inside the box body 2, and a grinding device 4 is arranged on the top of the table 1;

[0021] The grinding device 4 includes a fixed box 401 and four rollers 406. The bottom end of the fixed box 401 is fixedly connected to one side of the top of the table 1. A motor 402 is provided at one end of the fixed box 401. The output end of the motor 402 passes through one end of the fixed box 401 and is fixedly connected to a first bevel gear 403. The outer surface of the first bevel gear 403 is meshed and connected to two second bevel gears 404. One end of the two second bevel gears 404 is fixedly connected to a first rotating shaft 405. One end of the two first rotating shafts 405 passes through the inner walls of both sides of the fixed box 401. One end of the two first rotating shafts 405 is fixed to one end of the lower roller 406, respectively. The inner walls on both sides of the box body 2 are penetrated and connected with second rotating shafts 408, one end of the two second rotating shafts 408 is sleeved with a fixing plate 409, the bottom ends of the two fixing plates 409 are respectively fixedly connected to the two sides of the top of the box body 2, one end of the two second rotating shafts 408 is respectively fixedly connected to one end of the upper roller 406, the outer surfaces of the two rollers 406 on the same vertical side are jointly sleeved with a belt 407, the two second bevel gears 404 rotate to respectively drive the first rotating shaft 405 to rotate, the two first rotating shafts 405 rotate to respectively drive the rollers 406 to rotate, and the two lower rollers 406 rotate to respectively drive the belt 407 to rotate;

[0022] One end of one of the second rotating shafts 408 is fixedly connected to the first screen frame 410, and one end of the other second rotating shaft 408 is fixedly connected to the second screen frame 411. The outer surface of the first screen frame 410 fits the inner wall of the second screen frame 411. The outer surfaces of the first screen frame 410 and the second screen frame 411 are provided with holes 412 for mutual use. One end of the second screen frame 411 is rotatably connected to a box door 413, and one end of the box door 413 is fixedly connected to a handle 414. The inner wall of one side of the second screen frame 411 is fixedly connected to the first crushing Roller 415, four second crushing rollers 416 distributed in a ring array are fixedly connected to the inner wall of one side of the first screen frame 410, the outer surface of the first crushing roller 415 is respectively in contact with the outer surfaces of the four second crushing rollers 416, and the second through groove 5 is provided on the top side of the table 1 and the lower part of one end of the box body 2. The first screen frame 410 rotates on the outer surface of the second screen frame 411, and the graphite raw material is continuously ground and crushed inside the first screen frame 410 and the second screen frame 411, effectively crushing the larger agglomerates in the graphite raw material into fine powder;

[0023] The tipping device 3 includes a slide plate 31, one end of which is rotatably connected to an inner wall of one side of the box body 2, and guide plates 32 are fixedly connected to both sides of the top of the slide plate 31, and one end of the two guide plates 32 is fixedly connected to a limiting rod 33. A first through groove 34 is opened at both ends of the box body 2, and a connecting plate 35 is fixedly connected to the lower part of both ends of the box body 2. The inner walls of both sides of the two connecting plates 35 are rotatably connected to the limiting plates 36 together, and one end of the two limiting plates 36 is threaded with a first bolt 37, and one end of the two first bolts 37 passes through the inner walls of both sides of the box body 2 respectively, and the inner wall of the first through groove 34 is in contact with the outer surface of the limiting rod 33. When the slide plate 31 rotates, the two guide plates 32 are respectively driven to tilt, and the graphite negative electrode powder at the top of the two guide plates 32 is sequentially poured out from the inner wall of the second through groove 5 opened at the lower part of one end of the box body 2 and the top side of the table 1, and the ground graphite negative electrode powder can be effectively poured out.

[0024] Working principle: first open the handle 414 in the grinding device 4, pour the graphite raw material to be ground into the second screen frame 411, when the graphite needs to be ground, turn on the motor 402 in the grinding device 4, the output end of the motor 402 rotates to drive the first bevel gear 403 to rotate, the first bevel gear 403 rotates to drive the two second bevel gears 404 to rotate, the two second bevel gears 404 rotate to drive the first rotating shaft 405 to rotate respectively, the two first rotating shafts 405 rotate to drive the rollers 406 to rotate respectively, the two lower rollers 406 rotate to drive the belt 407 to rotate respectively, the belt 407 rotates to drive the upper rollers 406 to rotate respectively, and the two rollers 406 The second rotating shafts 408 are rotated respectively, one of the second rotating shafts 408 drives the first screen frame 410 to rotate, the other second rotating shaft 408 drives the second screen frame 411 to rotate, the first screen frame 410 drives the four second crushing rollers 416 to rotate, the second screen frame 411 rotates and drives the first crushing roller 415 to rotate, the four second crushing rollers 416 rotate on the outer surface of the rotating first crushing roller 415, the first screen frame 410 rotates on the outer surface of the second screen frame 411, and the graphite raw material is continuously ground and crushed inside the first screen frame 410 and the second screen frame 411, thereby achieving the purpose of effectively crushing the larger agglomerates in the graphite raw material into fine powder;

[0025] When the holes 412 respectively opened in the first sieve frame 410 and the second sieve frame 411 are fitted together, the graphite negative electrode powder falls from the inner wall of the hole 412 to the top of the two guide plates 32, the two first bolts 37 are removed respectively, and the two limit plates 36 are rotated respectively, and the outer surface of the limit rod 33 falls off from the top of the limit plate 36. When the limit rod 33 rotates, the outer surface of the limit rod 33 fits with the inner wall of the first through groove 34, and the slide plate 31 is put down. The slide plate 31 rotates on one side of the box body 2. When the slide plate 31 rotates, the two guide plates 32 are respectively driven to tilt, and the graphite negative electrode powder at the top of the two guide plates 32 falls from the inner wall of the second through groove 5 opened at the lower part of one end of the box body 2 and the top side of the table 1 in turn, thereby achieving the purpose of effectively pouring out the ground graphite negative electrode powder.

[0026] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A multiple grinding device for processing graphite negative electrode powder, comprising a table (1), characterized in that: The top of the table top (1) is fixedly connected to a box body (2), a dumping device (3) is provided inside the box body (2), and a grinding device (4) is provided at the top of the table top (1); The grinding device (4) comprises a fixed box (401) and four rollers (406); the bottom end of the fixed box (401) is fixedly connected to one side of the top end of the table (1); one end of the fixed box (401) is provided with a motor (402); the output end of the motor (402) passes through one end of the fixed box (401) and is fixedly connected to a first bevel gear (403); the outer surface of the first bevel gear (403) is meshedly connected to two second bevel gears (404); one end of each of the two second bevel gears (404) is fixedly connected to a first rotating shaft (405); one end of each of the two first rotating shafts (405) passes through a first rotating shaft (405); The inner walls on both sides of the fixed box (401), one end of the two first rotating shafts (405) are respectively fixedly connected to one end of the lower roller (406), the inner walls on both sides of the box body (2) are penetrated by second rotating shafts (408), one end of the two second rotating shafts (408) are sleeved with fixed plates (409), the bottom ends of the two fixed plates (409) are respectively fixedly connected to the top sides of the box body (2), one end of the two second rotating shafts (408) are respectively fixedly connected to one end of the upper roller (406), and the outer surfaces of the two rollers (406) on the same vertical side are commonly sleeved with a belt (407); One end of one of the second rotating shafts (408) is fixedly connected to a first screen frame (410), and one end of the other second rotating shaft (408) is fixedly connected to a second screen frame (411); one side inner wall of the second screen frame (411) is fixedly connected to a first crushing roller (415); one side inner wall of the first screen frame (410) is fixedly connected to four second crushing rollers (416) distributed in a ring array; the outer surface of the first crushing roller (415) is respectively fitted with the outer surfaces of the four second crushing rollers (416); the outer surface of the first screen frame (410) is fitted with the inner wall of the second screen frame (411); and the outer surfaces of the first screen frame (410) and the second screen frame (411) are both provided with holes (412) for use with each other.

2. A multiple grinding device for processing graphite negative electrode powder according to claim 1, characterized in that: The tipping device (3) comprises a slide plate (31), one end of which is rotatably connected to an inner wall of one side of the box body (2), guide plates (32) are fixedly connected to both sides of the top of the slide plate (31), one end of each of the two guide plates (32) is fixedly connected to a limiting rod (33), both ends of the box body (2) are provided with a first through slot (34), the lower parts of both ends of the box body (2) are fixedly connected to connecting plates (35), and the inner walls of both sides of the two connecting plates (35) are rotatably connected to the limiting plates (36) together.

3. A multiple grinding device for processing graphite negative electrode powder as claimed in claim 2, characterized in that: One end of the two limit plates (36) is threadedly inserted with a first bolt (37), and one end of the two first bolts (37) respectively penetrates the inner walls of both sides of the box body (2).

4. A multiple grinding device for processing graphite negative electrode powder as claimed in claim 2, characterized in that: The inner wall of the first through groove (34) fits the outer surface of the limiting rod (33).

5. A multiple grinding device for processing graphite negative electrode powder according to claim 1, characterized in that: One end of the second screen frame (411) is rotatably connected to a box door (413), and one end of the box door (413) is fixedly connected to a handle (414).

6. A multiple grinding device for processing graphite negative electrode powder according to claim 1, characterized in that: A second through groove (5) is provided on one side of the top of the table top (1) and on the lower part of one end of the box body (2).

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