Anti-mixing device

Abstract

The utility model provides an anti-mixing device which comprises a supporting plate with a hollow part, a feeding frame with an opening in the bottom of one side is arranged above the supporting plate, and the feeding frame communicates with the hollow part of the supporting plate; a baffle matched with the opening in the bottom of the feeding frame in size is arranged between the feeding frame and the supporting plate, one end of the baffle penetrates through the opening in the bottom of one side of the feeding frame, the other end of the baffle is connected to the movable end of a telescopic mechanism, and the telescopic direction of the movable end of the telescopic mechanism is parallel to the supporting plate. The device can be fixed at the upper end of a square chamber, collects scattered negative electrode materials during feeding, avoids the problem of material mixing, and can also automatically control opening and closing of the material conveying channel to prevent the negative electrode materials from overflowing from the chamber during feeding.

Description

Technical Field

[0001] The present application belongs to the technical field of manufacturing battery negative electrode graphite materials, and in particular, relates to an anti-mixing device. Background Art

[0002] Graphitization is a key step in the manufacturing process of battery negative electrode graphite materials. The negative electrode graphite materials need to be heated, and a graphitization box furnace 8 is usually used, such as Figure 4 As shown, the graphitization box furnace 8 includes a box body 81, and a plurality of rows of columns 82 are vertically arranged along the length direction at the bottom of the box body 81. The columns 82 or the columns 82 and the two side walls of the box body are connected by graphite plates 83, thereby forming a square chamber 84 distributed in a matrix, and an auxiliary material cavity 85 is formed between the columns 82 and the graphite plates 83 and the other two side walls of the box body 81. During the use of the graphitization box furnace 8, the negative electrode material is put into the square cavity 85, the auxiliary material is put into the auxiliary material cavity 85, and then the negative electrode material is heated by power.

[0003] At present, in the process of using the graphitization box furnace 8, only simple protective measures are taken when feeding, which leads to the problem that part of the negative electrode material is scattered and mixed into the auxiliary material, and there is a risk of mixing when multiple materials are fed in, especially when special materials are fed in, they need to be fed into a fixed square chamber 85. The mixing problem generated during feeding further causes waste of production materials and reduces the production quality of negative electrode materials. Utility Model Content

[0004] In order to solve the deficiencies of the above-mentioned prior art, the present application provides an anti-mixing device, which can be fixed at the upper end of the square chamber to collect the scattered negative electrode materials during feeding to avoid mixing problems. At the same time, it can automatically control the opening and closing of the feeding channel to prevent the negative electrode materials from overflowing from the chamber during feeding.

[0005] In order to achieve the above purpose, the utility model adopts the following technologies:

[0006] A material mixing prevention device comprises a support plate with a part of the support plate being hollow, a feed frame with a bottom opening on one side being arranged above the support plate, and the feed frame being in communication with the hollow part of the support plate;

[0007] A baffle plate matched with the size of the bottom opening of the feed frame is arranged between the feed frame and the support plate. One end of the baffle plate passes through the opening at the bottom of one side of the feed frame, and the other end is connected to the movable end of a telescopic mechanism. The telescopic direction of the movable end of the telescopic mechanism is parallel to the support plate.

[0008] Furthermore, the telescopic mechanism includes a rack frame arranged on the surface of the support plate, with its length direction facing the opening at the bottom of one side of the feed frame; a rack is fitted inside the rack frame, one end of the rack is connected to the baffle; a drive motor is arranged on one side of the rack, and its movable end is connected to a gear meshing with the rack.

[0009] Furthermore, a dust box is arranged above the support plate and movable along the length direction of the rack. The dust box is arranged at an opening on one side close to the feed frame. When the dust box moves to a predetermined distance along the length direction of the rack, one side of the dust box opening abuts against the feed frame, and the telescopic mechanism is located inside the dust box.

[0010] Furthermore, the dustproof box includes a box body and a box cover located on the top of the box body, one end of the box cover is rotatably connected to the top of the box body on a side away from the feed frame, and its rotation axis is perpendicular to the length direction of the rack.

[0011] Furthermore, the bottom opening of the feed frame is coaxially arranged with the top opening, and the top opening of the feed frame is larger than the bottom opening.

[0012] Furthermore, a boss is arranged along the edge of the support plate.

[0013] Furthermore, a discharge trough is provided outwardly at a boss at one corner of the support plate, and an inclined block is connected to the bottom of the discharge trough.

[0014] Furthermore, two pairs of parallel claws and two pairs of parallel limiting plates are vertically arranged on the bottom surface of the support plate, the length direction of the claws is perpendicular to the length direction of the limiting plates, and the hollow part of the support plate is located between the two pairs of claws and the two pairs of limiting plates.

[0015] The beneficial effects of the utility model are:

[0016] 1. By setting the feeding frame and the support plate, when feeding, the negative electrode material scattered from the feeding frame falls on the support plate, which can prevent the negative electrode material from mixing into other square chambers, making it easier to collect the scattered negative electrode material and add it back into the corresponding square chamber;

[0017] 2. A baffle is provided between the feed frame and the support plate, one end of the baffle is connected to a rack, and the rack is meshed with an actively rotating gear, so that the baffle can move in a horizontal direction under the action of the rack and gear, thereby realizing automatic control of the opening and closing of the feed channel and preventing the negative electrode material from overflowing from the square chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the device of the embodiment of the present application.

[0019] Figure 2 It is a structural schematic diagram of the telescopic mechanism in the device of the embodiment of the present application.

[0020] Figure 3It is a structural schematic diagram of the bottom surface of the support plate in the embodiment of the present application.

[0021] Figure 4 It is a structural schematic diagram of a graphitization box furnace.

[0022] Figure numerals: 1-support plate, 11-boss, 12-discharge chute, 13-inclined block, 2-feeding frame, 3-baffle, 4-telescopic mechanism, 41-rack rack, 42-rack, 43-drive motor, 44-gear, 5-dustproof box, 51-box body, 52-box cover, 53-guide groove, 6-claw, 61-fixed plate, 7-limiting plate, 8-graphitization box furnace, 81-box body, 82-column, 83-graphite plate, 84-square chamber, 85-auxiliary material chamber. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings, but the embodiments described in the utility model are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] The present application embodiment provides a device for preventing mixing of materials, such as Figure 1 As shown, it includes a support plate 1 with a portion of hollow setting, and a feed frame 2 with a bottom opening on one side is arranged above the support plate 1, and the feed frame 2 is communicated with the hollow part of the support plate 1; a baffle 3 adapted to the size of the bottom opening of the feed frame 2 is arranged between the feed frame 2 and the support plate 1, one end of the baffle 3 passes through the opening at the bottom of one side of the feed frame 2, and the other end is connected to the movable end of a telescopic mechanism 4, and the telescopic direction of the movable end of the telescopic mechanism 4 is parallel to the support plate 1.

[0025] Specifically, the graphitization of the negative electrode material requires that the negative electrode material be put into the square chamber 84 in the graphitization box furnace 8, and the device is placed above the square chamber 84 where the material needs to be fed, and the hollow part of the support plate 1 is located within the cross-sectional profile of the square chamber 84. At this time, the telescopic mechanism 4 is running, driving the baffle 3 to move parallel to the support plate 1 in a direction away from the side of the feed frame 2, so that the feed frame 2 is connected to the hollow part of the support plate 1 to form a feeding channel; the feeding can be carried out by hoisting ton bags or feeding machines, or other feeding methods, the hoisting ton bag mouth or the feeding machine mouth is placed in the feed frame 2 and the negative electrode material is started to be fed. During the feeding process, the negative electrode material scattered from the feed frame 2 will fall on the support plate 1 arranged below the feed frame 2, avoiding the negative electrode material The problem of mixing materials mixed into other square chambers 84; when the square chamber 84 is filled, the telescopic mechanism 4 operates, driving the baffle 3 to move parallel to the support plate 1 in the direction close to the feeding frame 2, until the baffle 3 abuts against the feeding frame 2, that is, the feeding channel is closed, and the feeding process stops; at this time, the device can be removed, and the negative electrode materials scattered on the support plate 1 can be collected and added back into the corresponding square chamber 84; then the ton bag or feeding machine is raised, and the device is moved to the top of the next square chamber 84, and the above operation is repeated. Through the arrangement of the support plate 1, the baffle 3 and the telescopic mechanism 4, the problem of mixing materials during feeding is effectively avoided, and the opening and closing of the feeding channel is automatically controlled, which solves the problem of negative electrode materials overflowing from the square chamber 84 during feeding.

[0026] like Figure 1 and Figure 2 As shown, the telescopic mechanism 4 includes a rack frame 41 arranged on the surface of the support plate 1, and its length direction is toward the opening at the bottom of one side of the feed frame 2; a rack 42 is matched in the rack frame 41, and one end of the rack 42 is connected to the baffle 3; a driving motor 43 is arranged on one side of the rack 42, and a gear 44 meshing with the rack 42 is connected to its movable end.

[0027] Specifically, the telescopic mechanism 4 can adopt a linear cylinder or a linear motor or other linear mechanism. In this embodiment, the meshing of gears and racks is adopted to realize the movement of the baffle 3. In the process of feeding, the driving motor 43 drives the gear 44 to rotate, thereby driving the rack 42 to move parallel to the support plate 1 in the direction away from or close to the side of the feed frame 2. When the gear 44 rotates to different angles, the distance between the baffle 3 and the side of the feed frame 2 is different, thereby realizing the control of the flow rate of the feeding channel. When the diameter of the input material is small, the baffle 3 can be kept at a small distance from the side of the feed frame 2, that is, a feeding channel with a small flow rate is adopted, so as to avoid the situation that when the diameter of the input material is too small, the material overflows or dusts directly due to the large feeding channel; when the diameter of the input material is too large, the baffle 3 can be kept at a large distance from the side of the feed frame 2 or completely withdrawn from the bottom of the feed frame 2, so as to avoid the situation that when the diameter of the input material is large, the feeding channel is blocked due to the small feeding channel. During the use of the device, the negative electrode material will pass through the baffle 3, so the telescopic mechanism 4 needs to have a certain impact resistance and run smoothly, so a gear rack mechanism is adopted, and the gear rack structure is simple and easy to maintain.

[0028] like Figure 1 As shown, a dust box 5 is arranged above the support plate 1 and is movable along the length direction of the rack 42. The dust box 5 is arranged at an opening on one side close to the feed frame 2. When the dust box 5 moves to a predetermined distance along the length direction of the rack 42, one side of the opening of the dust box 5 abuts against the feed frame 2, and the telescopic mechanism 4 is located inside the dust box 5.

[0029] Specifically, guide grooves 53 are arranged in parallel on both sides of the telescopic mechanism 4, which face the length direction of the rack 42, and the two sides of the bottom of the dust box 5 slide in the guide grooves 53. The dust box 5 moves along the guide grooves 53 toward the feed frame 2 until one side of the opening of the dust box 5 abuts against the feed frame 2. At this time, the dust box 5 and one side of the feed frame 2 form a closed space, and the telescopic mechanism 4 is located in the closed space, which prevents the negative electrode material or dust from falling into the telescopic mechanism 4 and causing the telescopic mechanism 4 to be stuck, thereby extending the service life of the device.

[0030] like Figure 1 As shown, the dustproof box 5 includes a box body 51 and a box cover 52 located on the top of the box body 51 , one end of the box cover 52 is rotatably connected to the top of the box body 51 away from the feed frame 2 , and its rotation axis is perpendicular to the length direction of the rack 42 .

[0031] Specifically, one end of the box cover 52 is rotatably connected to the top of the box body 51 on the side away from the feed frame 2. When the device is used, the dust box 5 can be moved along the guide groove 53 in the direction away from the feed frame 2. When it moves to a predetermined distance, the box cover 52 is rotated to open the dust box 5 to facilitate maintenance of the rack and pinion mechanism. When the maintenance is completed, the box cover 52 is put back on the box body 51, and the dust box 5 is moved along the guide groove 53 toward the feed frame 2 until one side of the opening of the dust box 5 abuts against the feed frame 2.

[0032] like Figure 1 As shown, the bottom opening of the feed frame 2 is coaxially arranged with the top opening, and the top opening of the feed frame 2 is larger than the bottom opening.

[0033] Specifically, the bottom opening of the feed frame 2 is coaxially arranged with the top opening to facilitate the smooth passage of the negative electrode material, and the top opening of the feed frame 2 is larger than the bottom opening, so that the frame wall of the feed frame 2 is an inclined surface facing the feed channel, which plays a guiding role in the input of the negative electrode material.

[0034] like Figure 1 and Figure 3 As shown, a boss 11 is provided along the edge of the support plate 1, and a discharge trough 12 is provided outwardly from the boss 11 at one corner of the support plate 1, and a slanted block 13 is connected to the bottom of the discharge trough 12. The boss 11 and the discharge trough 12 can further prevent the negative electrode material on the support plate 1 from being scattered into other square chambers 84, and are more convenient for cleaning and collecting the negative electrode material on the support plate 1.

[0035] like Figure 3 As shown, two pairs of parallel claws 6 and two pairs of parallel limit plates 7 are vertically arranged on the bottom surface of the support plate 1, the length direction of the claws 6 is perpendicular to the length direction of the limit plates 7, and the hollow part of the support plate 1 is located between the two pairs of claws 6 and the two pairs of limit plates 7.

[0036] Specifically, Figure 3 and Figure 4 As shown, the clamping claw 6 includes two parallel fixed plates 61, and the distance between the fixed plates 61 is adapted to the width of the graphite plate 83. When the device is installed above the square chamber 84, the two fixed plates 61 are clamped on the graphite plates 83 on both sides of the square chamber 84, and the two pairs of limiting plates 7 are abutted against the inner walls of the graphite plates 83 on the other two sides of the square chamber 84, or one pair of limiting plates 7 is abutted against the graphite plates 83, and the other pair of limiting plates 7 is abutted against the inner wall of one side of the box body 81; through the arrangement of the clamping claw 6 and the limiting plates 7, the device is firmly installed between the square chamber 84, thereby improving the stability of the device during the feeding process.

[0037] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application.

Claims

1. A material mixing prevention device, characterized in that: It comprises a support plate (1) with a portion thereof being hollow, a feed frame (2) with a bottom opening on one side being arranged above the support plate (1), and the feed frame (2) being in communication with the hollow portion of the support plate (1); A baffle (3) is provided between the feed frame (2) and the support plate (1), the baffle (3) being adapted to the size of the bottom opening of the feed frame (2); one end of the baffle (3) is passed through the bottom opening of one side of the feed frame (2), and the other end is connected to the movable end of a telescopic mechanism (4); the telescopic direction of the movable end of the telescopic mechanism (4) is parallel to the support plate (1).

2. A material mixing prevention device according to claim 1, characterized in that: The telescopic mechanism (4) comprises a rack frame (41) arranged on the surface of the support plate (1), the length direction of which faces the opening at the bottom of one side of the feed frame (2); a rack (42) is matched in the rack frame (41), one end of the rack (42) is connected to the baffle (3); a driving motor (43) is arranged on one side of the rack (42), and a gear (44) meshing with the rack (42) is connected to the movable end of the driving motor (43).

3. A material mixing prevention device according to claim 2, characterized in that: A dust box (5) is arranged above the support plate (1) so as to be movable along the length direction of the rack (42). The dust box (5) is arranged close to an opening on one side of the feed frame (2). When the dust box (5) moves to a predetermined distance along the length direction of the rack (42), one side of the opening of the dust box (5) abuts against the feed frame (2), and the telescopic mechanism (4) is located inside the dust box (5).

4. A material mixing prevention device according to claim 3, characterized in that: The dustproof box (5) comprises a box body (51) and a box cover (52) located at the top of the box body (51), one end of the box cover (52) is rotatably connected to the top of the box body (51) on a side away from the feed frame (2), and the rotation axis is perpendicular to the length direction of the rack (42).

5. The anti-mixing device according to claim 1, characterized in that: The bottom opening of the feed frame (2) is coaxially arranged with the top opening, and the top opening of the feed frame (2) is larger than the bottom opening.

6. The anti-mixing device according to claim 1, characterized in that: A boss (11) is provided along the edge of the support plate (1).

7. The anti-mixing device according to claim 6, characterized in that: A discharge chute (12) is provided outwardly at a boss (11) at one corner of the support plate (1), and a slanted block (13) is connected to the bottom of the discharge chute (12).

8. The anti-mixing device according to claim 1, characterized in that: Two pairs of parallel clamping claws (6) and two pairs of parallel limiting plates (7) are vertically arranged on the bottom surface of the support plate (1); the length direction of the clamping claws (6) is perpendicular to the length direction of the limiting plates (7); and the hollow portion of the support plate (1) is located between the two pairs of clamping claws (6) and the two pairs of limiting plates (7).

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