Cathode material screening device

Abstract

The utility model discloses a cathode material screening device which comprises a frame, a screen is fixedly connected in the frame, a sealing cover is arranged above the screen, a lifting assembly used for lifting the sealing cover is arranged on one side of the frame, a feeding hopper is arranged in the center of the sealing cover in a penetrating mode, and a discharging hopper is arranged in the middle of the feeding hopper. Sealing plates are symmetrically arranged at the bottom end of the feeding hopper, first fixing bases are symmetrically and fixedly connected to the positions, located at the two ends of the feeding hopper, of the inner side of the sealing cover, telescopic rods are rotationally connected into the first fixing bases, second fixing bases are fixedly connected to the two ends of the sealing plates, and an opening is formed in one side of the frame; a sealing assembly is arranged on the outer side of the opening. By arranging the sealing cover, the fixing frame, the screw rod, the connecting block, the limiting rod, the through hole, the feeding hopper, the hinge, the sealing plate, the first fixing base, the second fixing base, the telescopic rod and the spring, a large amount of flying dust is prevented from entering air, and impurities can be cleaned in time.

Description

Technical Field

[0001] The utility model relates to the technical field of a negative electrode material screening device, in particular to a negative electrode material screening device. Background Art

[0002] Carbon materials are traditional negative electrode materials for lithium batteries. According to the material properties, they can be further divided into natural graphite, artificial graphite, mesophase carbon microspheres and graphene. Carbon materials have the advantages of simple synthesis methods and long cycle life, and are the most widely used negative electrode materials at this stage. The basic process flow of artificial graphite is consistent. The main steps include pretreatment, pyrolysis, ball grinding, graphitization (i.e. heat treatment to arrange the originally chaotically distributed carbon atoms neatly, which is a key technical link), mixing, coating, screening, weighing, packaging and warehousing, etc.

[0003] In the existing negative electrode material screening device, a large amount of dust will enter the working environment during the screening process, polluting the environment and being harmful to the health of the workers. In addition, it is inconvenient to clean up the screened impurities in time, which will affect the screening effect. In order to overcome these disadvantages, the utility model provides a negative electrode material screening device. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a negative electrode material screening device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a negative electrode material screening device, comprising a frame, a screen is fixedly connected inside the frame, a sealing cover is arranged above the screen, a lifting assembly for lifting the sealing cover is arranged on one side of the frame, a feed hopper is penetrated through the center of the sealing cover, a sealing plate is symmetrically arranged at the bottom of the feed hopper, a hinge is arranged between the sealing plate and the feed hopper, a first fixed seat is symmetrically arranged on the inner side of the sealing cover at both ends of the feed hopper, a telescopic rod is hinged in the first fixed seat, the sealing plate is fixedly connected to a second fixed seat, the other end of the telescopic rod is hinged to the corresponding second fixed seat, a spring is sleeved on the outside of the telescopic rod, and the two ends of the spring are respectively fixedly connected to the two ends of the telescopic rod, an opening is opened on one side of the frame, and a sealing assembly is arranged on the outside of the opening.

[0006] Furthermore, a fixing frame is fixedly connected to one side of the frame, a screw is rotatably connected inside the fixing frame, a connecting block is fixedly connected to one side of the sealing cover, and the connecting block is threadedly connected to one end of the screw.

[0007] Furthermore, a driving motor is fixedly connected to the upper end of the fixing frame, and an output end of the driving motor passes through the upper side wall of the fixing frame and is fixedly connected to one end of a screw rod. A plurality of limiting rods are fixedly connected to the bottom end of the sealing cover, and a plurality of through holes corresponding to the limiting rods are opened on the top of the frame, and the limiting rods are plugged and connected to the corresponding through holes.

[0008] Furthermore, the sealing assembly includes a material taking hopper fixed to the outside of the opening, a slot is provided on the material taking hopper, a plug plate is inserted in the slot, a fixing block is fixedly connected to one side of the material taking hopper, a fixing bolt is threadedly connected to the fixing block, a screw hole is provided on the plug plate at a position corresponding to the fixing bolt, and a handle is fixedly connected to the top of the plug plate.

[0009] Furthermore, both ends of the upper side of the screen are fixedly connected with a vibration motor, and the lower end of the frame is fixedly connected with a hopper.

[0010] Furthermore, support frames are symmetrically fixedly connected to both sides of the hopper.

[0011] Beneficial effects of the utility model:

[0012] When the utility model is used, the negative electrode material screening device has the following advantages:

[0013] 1. In this scheme, a frame, a sealing cover, a fixing frame, a screw, a connecting block, a limiting rod, a through hole, a feed hopper, a hinge, a sealing plate, a first fixing seat, a second fixing seat, a telescopic rod, and a spring are provided to drive the motor to run, drive the screw to rotate, thereby driving the connecting block and the sealing cover to rise and fall. The sealing cover is opened upward to clean the impurities or large particles remaining on the screen, and the sealing cover is closed downward to prevent a large amount of dust generated during the screening process from polluting the environment. During the screening process, the material to be screened can be poured into the feed hopper, and the sealing plates on both sides are rotated downward and opened by gravity. After the material falls onto the screen, the spring drives the telescopic rod to reset, and the sealing plate closes again, so that adding screening materials is convenient and quick, and at the same time, it is ensured that dust will not fly out from the entrance.

[0014] 2. In this scheme, by providing an opening, a slot, a fixing block, a fixing bolt, a plug plate, a screw hole, and a handle, the fixing bolt is unscrewed, and the plug plate is pulled out through the handle, so that the cleaned impurities can be discharged through the hopper. After cleaning, the plug plate is reinserted and the fixing bolts are tightened for sealing and fixing, so as to facilitate timely cleaning of impurities and avoid affecting the subsequent screening effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 : Schematic diagram of the overall structure of the utility model;

[0017] Figure 2 : A schematic diagram of the sealing cover of the utility model in an open state;

[0018] Figure 3 : A schematic diagram of the structure of the utility model with the sealing cover removed;

[0019] Figure 4 :The utility model Figure 1 The enlarged view of point A in the middle;

[0020] Figure 5 : Bottom view of the sealing cover of the utility model;

[0021] Figure 6 :The utility model Figure 5 Enlarged view of point B in the middle.

[0022] The reference numerals are as follows:

[0023] 1. Frame; 2. Sealing cover; 3. Leakage hopper; 4. Feed hopper; 5. Support frame; 6. Fixed frame; 7. Screw; 8. Drive motor; 9. Connecting block; 10. Limit rod; 11. Through hole; 12. Screen; 13. Vibration motor; 14. Opening; 15. Take hopper; 16. Fixed block; 17. Fixed bolt; 18. Insert plate; 19. Screw hole; 20. Handle; 21. Hinge; 22. Sealing plate; 23. First fixed seat; 24. Second fixed seat; 25. Telescopic rod; 26. Spring. DETAILED DESCRIPTION

[0024] 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 of 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.

[0025] like Figure 1-6As shown, it relates to a negative electrode material screening device, including a frame 1, a screen 12 is fixedly connected inside the frame 1, a sealing cover 2 is arranged above the screen 12, a lifting assembly for lifting the sealing cover 2 is arranged on one side of the frame 1, a feed hopper 4 is penetrated through the center of the sealing cover 2, a sealing plate 22 is symmetrically arranged at the bottom end of the feed hopper 4, a hinge 21 is arranged between the sealing plate 22 and the feed hopper 4, the inner side of the sealing cover 2 is symmetrically fixedly connected with a first fixed seat 23 at both ends of the feed hopper 4, a telescopic rod 25 is hinged in the first fixed seat 23, both ends of the sealing plate 22 are fixedly connected to a second fixed seat 24, the other end of the telescopic rod 25 is hinged to the corresponding second fixed seat 24, the outer side of the telescopic rod 25 is sleeved with a spring 26, and the two ends of the spring 26 are respectively fixedly connected to the two ends of the telescopic rod 25, an opening 14 is opened on one side of the frame 1, and a sealing assembly is arranged on the outer side of the opening 14.

[0026] like Figure 1-6 As shown, a fixing frame 6 is fixedly connected to one side of the frame 1, and a screw 7 is rotatably connected inside the fixing frame 6. A connecting block 9 is fixedly connected to one side of the sealing cover 2, and the connecting block 9 is threadedly connected to one end of the screw 7. A driving motor 8 is fixedly connected to the upper end of the fixing frame 6, and the output end of the driving motor 8 passes through the upper side wall of the fixing frame 6 and is fixedly connected to one end of the screw 7. A plurality of limiting rods 10 are fixedly connected to the bottom end of the sealing cover 2. A plurality of through holes 11 corresponding to the limiting rods 10 are provided on the top of the frame 1, and the limiting rods 10 are plugged and connected to the corresponding through holes 11. When the driving motor 8 is started, the screw 7 is driven to rotate, thereby driving the connecting block 9 to move up and down, and then the sealing cover 2 is lifted and lowered, closed downward when in use, and opened upward when cleaned.

[0027] like Figure 1-6 As shown, the sealing assembly includes a hopper 15 fixed to the outside of the opening 14, a slot is provided on the hopper 15, a plug plate 18 is inserted in the slot, a fixing block 16 is fixedly connected to one side of the hopper 15, a fixing bolt 17 is threadedly connected to the fixing block 16, a screw hole 19 is provided on the plug plate 18 at a position corresponding to the fixing bolt 17, a handle 20 is fixedly connected to the top of the plug plate 18, the fixing bolt 17 is unscrewed, the plug plate 18 is pulled out by the handle 20, and the cleaned impurities can be discharged through the hopper 15.

[0028] like Figure 1-6 As shown, both ends of the upper side of the screen 12 are fixedly connected with a vibration motor 13, and the lower end of the frame 1 is fixedly connected with a hopper 3. When the vibration motor 13 is started, the screen 12 starts to screen the material, and the screened material is discharged through the hopper 3.

[0029] like Figure 1-6 As shown, support frames 5 are symmetrically fixedly connected to both sides of the hopper 3.

[0030] Working principle: When in use, start the vibration motor 13, and the screen 12 begins to screen the material. During this process, the material to be screened can be poured into the feed hopper 4, and the sealing plates 22 on both sides are rotated downward and opened by gravity, and the telescopic rod 25 and the spring 26 are both extended, so the material finally falls onto the screen 12. When all the materials fall, the spring 26 drives the telescopic rod 25 and the sealing plate 22 to reset, and the sealing plate 22 closes again to prevent dust from flying out. The screened material is discharged through the hopper 3. After use, start the drive motor 8 to drive the screw 7 to rotate, thereby driving the connecting block 9 and the sealing cover 2 to move upward. The sealing cover 2 is opened upward to clean the remaining impurities or large particles on the screen 12, unscrew the fixing bolt 17, and pull out the plug plate 18 through the handle 20, so as to facilitate the discharge of the cleaned impurities through the hopper 15 to avoid affecting the subsequent screening effect. After cleaning, reinsert the plug plate 18 and tighten the fixing bolt 17 to fix it.

[0031] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A negative electrode material screening device, comprising a frame (1), characterized in that: A screen (12) is fixedly connected to the inside of the frame (1), a sealing cover (2) is arranged above the screen (12), a lifting assembly for lifting the sealing cover (2) is arranged on one side of the frame (1), a feed hopper (4) is arranged through the center of the sealing cover (2), a sealing plate (22) is symmetrically arranged at the bottom end of the feed hopper (4), a hinge (21) is arranged between the sealing plate (22) and the feed hopper (4), and a first sealing plate (22) is symmetrically arranged on the inner side of the sealing cover (2) at both ends of the feed hopper (4). A fixed seat (23), a telescopic rod (25) is hingedly connected inside the first fixed seat (23), the sealing plate (22) is fixedly connected to a second fixed seat (24), the other end of the telescopic rod (25) is hingedly connected to the corresponding second fixed seat (24), a spring (26) is sleeved on the outer side of the telescopic rod (25), and the two ends of the spring (26) are respectively fixedly connected to the two ends of the telescopic rod (25), and an opening (14) is opened on one side of the frame (1), and a sealing component is arranged on the outer side of the opening (14).

2. A negative electrode material screening device according to claim 1, characterized in that: A fixing frame (6) is fixedly connected to one side of the frame (1), a screw rod (7) is rotatably connected inside the fixing frame (6), a connecting block (9) is fixedly connected to one side of the sealing cover (2), and the connecting block (9) is threadedly connected to one end of the screw rod (7).

3. A negative electrode material screening device according to claim 2, characterized in that: The upper end of the fixing frame (6) is fixedly connected to a driving motor (8), the output end of the driving motor (8) passes through the upper side wall of the fixing frame (6) and is fixedly connected to one end of the screw rod (7), the bottom end of the sealing cover (2) is fixedly connected to a plurality of limiting rods (10), the top of the frame (1) is provided with a plurality of through holes (11) corresponding to the limiting rods (10), and the limiting rods (10) are plugged and connected to the corresponding through holes (11).

4. The negative electrode material screening device according to claim 1, characterized in that: The sealing assembly comprises a material taking hopper (15) fixed on the outside of the opening (14); a slot is provided on the material taking hopper (15); a plug plate (18) is inserted in the slot; a fixing block (16) is fixedly connected to one side of the material taking hopper (15); a fixing bolt (17) is threadedly connected to the fixing block (16); a screw hole (19) is provided on the plug plate (18) at a position corresponding to the fixing bolt (17); and a handle (20) is fixedly connected to the top of the plug plate (18).

5. The negative electrode material screening device according to claim 1, characterized in that: Both ends of the upper side of the screen (12) are fixedly connected to a vibration motor (13), and the lower end of the frame (1) is fixedly connected to a hopper (3).

6. A negative electrode material screening device according to claim 5, characterized in that: Support frames (5) are symmetrically fixedly connected to both sides of the hopper (3).

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