Lithium battery negative electrode material grinding equipment

Abstract

The utility model relates to the technical field of lithium battery negative electrode material processing, and discloses lithium battery negative electrode material grinding equipment which comprises a fixing shell, the top of the fixing shell is fixedly connected with a grinding barrel, the top of the grinding barrel is fixedly connected with a feeding pipe and a first motor, and the output end of the first motor is fixedly connected with a connecting rod. A movable frame is fixedly connected to the bottom of the connecting rod, a plurality of grinding blocks are fixedly connected to the middle of the movable frame, a grinding groove is formed in the grinding barrel, the grinding blocks are slidably connected to the middle of the grinding groove, a discharging opening is fixedly connected to the bottom of the fixed shell, and a screening plate is slidably connected to the interior of the fixed shell. Connecting plates are fixedly connected to the two sides of the screening plate. According to the negative electrode material screening device, under the mutual cooperation of the second motor, the rotating rod, the disc, the sliding rod, the sliding block, the moving rod, the connecting plate, the screening plate and other structures, ground negative electrode materials can be conveniently and efficiently screened.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery negative material processing technical field especially relates to a lithium battery negative material grinding equipment. BACKGROUND

[0002] The negative material is the important component in lithium battery, usually by graphite, carbon material or silicon base material etc. composition, these materials play the key role in the battery charge and discharge process and release lithium ion, in the preparation process of negative material, the grinding procedure is very important, it can effectively reduce the size of particle, improve the specific surface area of material, thereby improve the performance of battery, such as energy density, charge and discharge efficiency and cycle life, lithium battery negative material grinding equipment passes through the high accuracy grinding technique, and refines raw material into the micron level or nanometer level particle, ensures that material has good conductivity and electrochemical activity.

[0003] In the prior art, the lithium battery negative material cannot be screened after grinding, mainly due to the limitation of equipment and process, firstly, the particle produced in the grinding process often has extremely small micron level or nanometer level size, and the tiny particle makes the traditional screening technology difficult to separate the particles of different sizes efficiently, thereby leading to many problems, specifically, the uneven particle size can seriously affect the uniformity of battery material, cause the uneven distribution of negative material, and further affect the conductivity and ion conduction performance of the battery. The embedding property of the larger particle in the battery is poor, cannot be uniformly distributed with other particles, and is prone to cause the increase of local current density, cause the problems such as heating and internal resistance increase, and finally affect the charge and discharge performance and life of the battery. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a kind of lithium battery negative material grinding equipment, to improve the problem that the particle after grinding cannot be effectively screened in prior art, thereby seriously affecting the uniformity of battery material.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of lithium battery negative electrode material grinding equipment, including fixed shell, the top of the fixed shell is fixedly connected with grinding barrel, the top of the grinding barrel is fixedly connected with feed pipe and motor one, the output end of the motor one is fixedly connected with connecting rod, the bottom of the connecting rod is fixedly connected with movable frame, the middle part of the movable frame is fixedly connected with multiple grinding blocks, the inside of the grinding barrel is equipped with grinding groove, the middle part of the grinding block is slidably connected in the grinding groove, the bottom of the fixed shell is fixedly connected with discharge port, the inside of the fixed shell is slidably connected with screening plate, the both sides of the screening plate are fixedly connected with connecting plate, the bottom of the connecting plate is fixedly connected with spring one and telescopic rod one, the end of the telescopic rod one and the spring one away from the connecting plate is fixedly connected in the middle part of the fixed shell, the top of the connecting plate is fixedly connected with moving rod, the top of the moving rod is fixedly connected with sliding block, the middle part of the sliding block is slidably connected with slide rod, one end of the slide rod is fixedly connected with disc, the top of the fixed shell is equipped with driving assembly, and the driving assembly is used to drive disc to rotate;

[0007] As further description of the above technical solutions:

[0008] The driving assembly includes fixed frame, the fixed frame is fixedly connected to the top of the fixed shell, the middle part of the fixed frame is fixedly connected with motor two, the output end of the motor two is fixedly connected with rotating rod, and the middle part of the disc is fixedly connected to the outer periphery of the rotating rod.

[0009] As further description of the above technical solutions:

[0010] The middle part of the fixed shell is slidably connected with movable rod, one end of the movable rod is fixedly connected with moving block, the bottom of the moving block is fixedly connected with spring two, the end of the spring two away from the moving block is fixedly connected with scraper, the top of the scraper is fixedly connected with telescopic rod two, the end of the telescopic rod two away from the scraper is fixedly connected to the bottom of the moving block, and the end of the movable rod away from the moving block is provided with connecting assembly, and the connecting assembly is used to drive movable rod to move.

[0011] As further description of the above technical solutions:

[0012] The connecting assembly includes pull plate, the pull plate is fixedly connected to one end of the movable rod, and the side of the pull plate away from the movable rod is fixedly connected with handle.

[0013] As further description of the above technical solutions:

[0014] The spring two and the telescopic rod two are provided with multiple, multiple spring two are respectively sleeved on the outer periphery of multiple telescopic rod two.

[0015] As further description of the above technical solutions:

[0016] One side of the fixed shell is fixedly connected with a control panel, and the side, away from the control panel, of the fixed shell is fixedly connected with a placing box.

[0017] As a further description of the above technical solution:

[0018] The top of the fixed shell is fixedly connected with a support plate, and the grinding barrel is fixedly connected to the middle of the support plate.

[0019] As a further description of the above technical solution:

[0020] The bottom of the fixed shell is fixedly connected with a plurality of support columns, and the bottom of the fixed shell is provided with a collection box.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、 in the utility model, the rotating rod is driven to rotate by the motor two, the rotating rod is driven to rotate by the disc when rotating, the sliding rod is driven to move by the disc when rotating, the sliding block is driven to move by the sliding rod when moving, the moving rod is driven to move up and down by the sliding block when moving, the screening plate is driven to move up by the connecting plate when the moving rod moves, so that the high -efficient screening of the negative material after grinding can be facilitated, and the labor intensity of the staff is reduced, and the uniformity of the negative material after grinding is improved.

[0023] 2、 in the utility model, the pull plate is driven to move by pulling the handle, the movable rod is driven to move by the pull plate when moving, the moving block is driven to move by the movable rod when moving, the spring two and the telescopic rod two are driven to move by the moving block when moving, the scraper is driven to move by the spring two and the telescopic rod two when moving, so that the screening plate can be prevented from being blocked under the condition of long -time work, the labor intensity of the staff is reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A three-dimensional schematic view of a lithium battery negative material grinding equipment is provided for the utility model;

[0025] Figure 2 A structure schematic view of a grinding barrel of a lithium battery negative material grinding equipment is provided for the utility model;

[0026] Figure 3 A structure schematic view of a grinding block of a lithium battery negative material grinding equipment is provided for the utility model;

[0027] Figure 4A kind of disc structure schematic view of lithium battery negative electrode material grinding equipment is proposed for the utility model;

[0028] Figure 5 A kind of screening plate structure schematic view of lithium battery negative electrode material grinding equipment is proposed for the utility model;

[0029] Figure 6 For Figure 5 The enlarged view of A in the middle.

[0030] Legend:

[0031] 1, support column;2, collection box;3, fixed shell;4, place box;5, control panel;6, discharge port;7, support plate;8, grinding barrel;9, motor one;10, feed pipe;11, screening plate;12, pull plate;13, handle;14, connecting plate;15, connecting rod;16, movable frame;17, grinding block;18, grinding groove;19, telescopic rod one;20, spring one;21, fixed frame;22, motor two;23, rotating rod;24, slide bar;25, sliding block;26, moving rod;27, disc;28, movable rod;29, moving block;30, scraper;31, spring two;32, telescopic rod two. Specific embodiments

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0033] Refer to Figures 1-3The utility model provides a kind of embodiment: a kind of lithium battery negative electrode material grinding equipment, the top of fixed shell 3 is fixedly connected with grinding barrel 8, fixed shell 3 can conveniently support and fix grinding barrel 8, so that grinding barrel 8 is more stable, the top of grinding barrel 8 is fixedly connected with feed pipe 10 and motor one 9, feed pipe 10 can conveniently staff pour negative electrode material into the inside of grinding barrel 8 and grind, the output of motor one 9 is fixedly connected with connecting rod 15, the bottom of connecting rod 15 is fixedly connected with movable frame 16, the middle part of movable frame 16 is fixedly connected with multiple grinding blocks 17, when motor one 9 works, it can conveniently drive connecting rod 15 to rotate, and connecting rod 15 rotates and can conveniently drive movable frame 16 to rotate simultaneously, when movable frame 16 rotates, multiple grinding blocks 17 are driven to move, grinding groove 18 is set in the inside of grinding barrel 8, grinding block 17 is slidably connected in the middle part of grinding groove 18, when grinding block 17 moves, it slides in the middle part of grinding groove 18, so that under the action of grinding block 17 and grinding groove 18, it can conveniently grind more fine negative electrode material, to reduce the labor intensity of staff.

[0034] Referring to Figure 4 And Figure 5 The bottom of fixed shell 3 is fixedly connected with discharge port 6, discharge port 6 can conveniently discharge negative electrode material after screening, screening plate 11 is slidably connected in the inside of fixed shell 3, screening plate 11 can conveniently screen high-efficiency negative electrode material after grinding, to reduce the labor intensity of staff, while improving the uniformity of negative electrode material after grinding, the both sides of screening plate 11 are fixedly connected with connecting plate 14, when connecting plate 14 moves, it drives screening plate 11 to move simultaneously, the bottom of connecting plate 14 is fixedly connected with spring one 20 and telescopic rod one 19, the end, away from connecting plate 14, of telescopic rod one 19 and spring one 20 is fixedly connected in the middle part of fixed shell 3, when connecting plate 14 moves, it extrudes spring one 20 and telescopic rod one 19, while under the action of spring one 20 and telescopic rod one 19, it can conveniently eject and reset connecting plate 14 upwards, the top of connecting plate 14 is fixedly connected with moving rod 26, when moving rod 26 moves, it drives connecting plate 14 to move simultaneously, the top of moving rod 26 is fixedly connected with sliding block 25, the middle part of sliding block 25 is slidably connected with sliding rod 24, when sliding block 25 moves, it can conveniently drive moving rod 26 to move, and when sliding rod 24 moves, it drives sliding block 25 to move simultaneously, one end of sliding rod 24 is fixedly connected with disc 27, when disc 27 rotates, it can conveniently drive sliding rod 24 to move in circle.

[0035] Referring to Figure 4The top of the fixed shell 3 is provided with a driving assembly for driving the disc 27 to rotate, the driving assembly comprising a fixed frame 21 fixedly connected to the top of the fixed shell 3, a motor two 22 fixedly connected to the middle of the fixed frame 21, the fixed frame 21 can conveniently support and fix the motor two 22, so that the motor two 22 is more stable during work, the output end of the motor two 22 is fixedly connected with a rotating rod 23, and the middle of the disc 27 is fixedly connected to the outer periphery of the rotating rod 23. When the motor two 22 works, the rotating rod 23 can be conveniently driven to rotate, and when the rotating rod 23 rotates, the disc 27 is simultaneously moved.

[0036] Referring to Figure 5 and Figure 6 The middle of the fixed shell 3 is slidably connected with a movable rod 28, one end of the movable rod 28 is fixedly connected with a moving block 29, when the movable rod 28 moves, the moving block 29 is simultaneously moved, the bottom of the moving block 29 is fixedly connected with a spring two 31, one end of the spring two 31 away from the moving block 29 is fixedly connected with a scraper 30, the top of the scraper 30 is fixedly connected with an extension rod two 32, one end of the extension rod two 32 away from the scraper 30 is fixedly connected to the bottom of the moving block 29, when the moving block 29 moves, the scraper 30 is simultaneously moved through the extension rod two 32 and the spring two 31, and when the scraper 30 moves, the surface of the screening plate 11 can be cleaned, so that the screening plate 11 can be prevented from being blocked in the case of long-time work, thereby reducing the labor intensity of workers and improving the work efficiency. The end of the movable rod 28 away from the moving block 29 is provided with a connecting assembly for driving the movable rod 28 to move, the connecting assembly comprising a pull plate 12 fixedly connected to one end of the movable rod 28, when the pull plate 12 moves, the movable rod 28 is simultaneously moved, and the side of the pull plate 12 away from the movable rod 28 is fixedly connected with a handle 13, the handle 13 can conveniently drive the pull plate 12 to move.

[0037] Referring to Figure 1 and Figure 6The plurality of spring 31 is respectively sleeved on the outer periphery of the plurality of telescopic rod 32, one side of the fixed shell 3 is fixedly connected with the control panel 5, the control panel 5 can be conveniently controlled by the staff to work, the side away from the control panel 5 of the fixed shell 3 is fixedly connected with the placing box 4, the placing box 4 can conveniently place the tools needed when the equipment is maintained, the top of the fixed shell 3 is fixedly connected with the supporting plate 7, the grinding barrel 8 is fixedly connected in the middle of the supporting plate 7, the supporting plate 7 can conveniently support and fix the grinding barrel 8, so that the grinding barrel 8 is more stable, the bottom of the fixed shell 3 is fixedly connected with a plurality of supporting columns 1, the plurality of supporting columns 1 can conveniently support and fix the fixed shell 3 more firmly, and the bottom of the fixed shell 3 is provided with a collecting box 2, the collecting box 2 can conveniently collect the negative electrode material after grinding, thereby reducing the labor intensity of the staff.

[0038] Working principle: when the negative electrode material is ground, the motor 9 works, the connecting rod 15 rotates when the motor 9 works, and the movable frame 16 rotates when the connecting rod 15 rotates, and the plurality of grinding blocks 17 moves when the movable frame 16 rotates, and the grinding block 17 moves under the cooperation of the grinding groove 18 to finely grind the negative electrode material.

[0039] When the negative electrode material after grinding is screened, the motor 22 works, the rotating rod 23 rotates when the motor 22 works, the disc 27 rotates when the rotating rod 23 rotates, the sliding rod 24 moves when the disc 27 rotates, and the sliding block 25 moves when the sliding rod 24 moves, and the moving rod 26 moves up and down when the sliding block 25 moves, and the screening plate 11 moves up and down through the connecting plate 14 when the moving rod 26 moves, so that the negative electrode material after grinding can be efficiently screened.

[0040] When the surface of the screening plate 11 is cleaned after a long time of use, the handle 13 is manually moved, the pull plate 12 is moved when the handle 13 is moved, and the movable rod 28 is moved when the pull plate 12 is moved, the moving block 29 is moved when the movable rod 28 is moved, and the spring 31 and the telescopic rod 32 are moved when the moving block 29 is moved, the scraper 30 is moved when the spring 31 and the telescopic rod 32 are moved, and the surface of the screening plate 11 can be cleaned.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A lithium battery negative material grinding device comprising a fixed shell (3), characterized in that: The top of the fixed shell (3) is fixedly connected with a grinding barrel (8), the top of the grinding barrel (8) is fixedly connected with a feeding pipe (10) and a motor one (9), the output end of the motor one (9) is fixedly connected with a connecting rod (15), the bottom of the connecting rod (15) is fixedly connected with a movable frame (16), the middle of the movable frame (16) is fixedly connected with a plurality of grinding blocks (17), the inside of the grinding barrel (8) is provided with a grinding groove (18), the grinding block (17) is slidingly connected in the middle of the grinding groove (18), the bottom of the fixed shell (3) is fixedly connected with a discharge port (6), the inside of the fixed shell (3) is slidingly connected with a screening plate (11), both sides of the screening plate (11) are fixedly connected with a connecting plate (14), the bottom of the connecting plate (14) is fixedly connected with a spring one (20) and a telescopic rod one (19), the ends, away from the connecting plate (14), of the telescopic rod one (19) and the spring one (20) are fixedly connected in the middle of the fixed shell (3), the top of the connecting plate (14) is fixedly connected with a moving rod (26), the top of the moving rod (26) is fixedly connected with a sliding block (25), the middle of the sliding block (25) is slidingly connected with a sliding rod (24), one end of the sliding rod (24) is fixedly connected with a disc (27), the top of the fixed shell (3) is provided with a driving assembly, and the driving assembly is used for driving the disc (27) to rotate.

2. The lithium battery negative material grinding device according to claim 1, wherein: The driving assembly comprises a fixed frame (21), the fixed frame (21) is fixedly connected with the top of the fixed shell (3), the middle of the fixed frame (21) is fixedly connected with a motor two (22), the output end of the motor two (22) is fixedly connected with a rotating rod (23), and the middle of the disc (27) is fixedly connected with the outer periphery of the rotating rod (23).

3. The lithium battery anode material grinding device according to claim 1, wherein: The middle of the fixed shell (3) is slidingly connected with a movable rod (28), one end of the movable rod (28) is fixedly connected with a moving block (29), the bottom of the moving block (29) is fixedly connected with a spring two (31), one end, away from the moving block (29), of the spring two (31) is fixedly connected with a scraper (30), the top of the scraper (30) is fixedly connected with a telescopic rod two (32), one end, away from the scraper (30), of the telescopic rod two (32) is fixedly connected with the bottom of the moving block (29), and one end, away from the moving block (29), of the movable rod (28) is provided with a connecting assembly, and the connecting assembly is used for driving the movable rod (28) to move.

4. The lithium battery anode material grinding device according to claim 3, wherein: The connecting assembly comprises a pull plate (12), the pull plate (12) is fixedly connected with one end of the movable rod (28), and one side, away from the movable rod (28), of the pull plate (12) is fixedly connected with a handle (13).

5. The lithium battery anode material grinding device according to claim 3, wherein: The spring two (31) and the telescopic rod two (32) are both provided with a plurality of spring two (31), and a plurality of telescopic rod two (32) are respectively sleeved on the outer periphery of the plurality of telescopic rod two (32).

6. The lithium battery anode material grinding device according to claim 1, wherein: One side of the fixed shell (3) is fixedly connected with a control panel (5), and the side away from the control panel (5) of the fixed shell (3) is fixedly connected with a placing box (4).

7. The lithium battery anode material grinding device according to claim 1, wherein: The top of the fixed shell (3) is fixedly connected with a support plate (7), and the grinding barrel (8) is fixedly connected to the middle of the support plate (7).

8. The lithium battery anode material grinding device according to claim 1, wherein: The bottom of the fixed shell (3) is fixedly connected with a plurality of support columns (1), and the bottom of the fixed shell (3) is provided with a collecting box (2).

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