Automatic loading device for graphitization crucible of battery materials

Abstract

The invention discloses an automatic charging device for graphitized crucible of battery materials, comprising a silo connected to a frame, a feed barrel connected to the bottom of the silo, a support plate connected to the lower end of the feed barrel, a stirring shaft provided in the feed barrel and the silo, the stirring shaft is connected to the driving device on the silo, a spiral blade is connected to the stirring shaft, and a drop hole is provided on the support plate; a support seat is fixedly connected to the feed barrel, a moving plate is provided below the feed barrel, the moving plate is driven by a dustproof cylinder on the support seat, a feeding hole is provided on the moving plate, an upper feeding pipe is connected to the top surface of the moving plate, and the feed barrel is connected to the upper feeding pipe through a retractable feeding pipe; a dust cover is connected to the bottom surface of the moving plate, a pressing plate is provided in the dust cover, and the pressing plate is driven by a compacting cylinder on the support seat; a lower feeding pipe is connected to the top surface of the pressing plate, a sliding rod is provided on the pressing plate, a material blocking cone is connected to the lower end of the sliding rod, and a reset spring is provided on the sliding rod. The device can realize automatic loading and material compaction without causing dust pollution.

Description

Technical Field

[0001] The invention relates to an automatic charging device for a battery material graphitization crucible. Background Art

[0002] In the process of graphitization of battery materials, adding materials to the crucible is mostly done manually, which is labor-intensive and inefficient. During the loading process, powder materials are prone to leaking, causing environmental pollution. At the same time, due to the small specific gravity of the material, there will be defects such as small crucible loading amount and loose loading. Therefore, it is necessary to design a loading device to overcome the above defects. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an automatic charging device for graphitizing crucible of battery materials in view of the deficiencies in the above-mentioned prior art.

[0004] In order to solve the above technical problems, the present invention provides an automatic loading device for graphitizing crucible of battery materials with the following structure, including a frame, and its structural characteristics are that a material bin is connected to the frame, a feeding port is provided at the top of the material bin, and a discharging port is provided at the bottom; a feeding barrel with open ends is connected to the bottom of the material bin, the upper port of the feeding barrel is communicated with the discharging port, a supporting plate is connected to the lower end of the feeding barrel or the inner cavity wall of the feeding barrel, a stirring shaft is rotatably connected to the top of the material bin through the discharging port and extends into the feeding barrel, the lower end of the stirring shaft is rotatably connected to the supporting plate, the upper end of the stirring shaft is dynamically connected to the driving device, a spiral blade is connected to the stirring shaft, and a dropping hole is provided on the supporting plate; a supporting seat is fixed to the feeding barrel, a movable plate that can move up and down is provided under the feeding barrel, and the upward and downward movement of the movable plate is controlled by a support mounted on the supporting plate. The dust-proof cylinder on the seat is driven, and a feeding hole is provided on the movable disk. An upper feeding pipe whose inner cavity is connected to the feeding hole is connected to the top surface of the movable disk. A retractable feeding pipe whose upper end is connected to the feeding tube or the support plate and whose lower end is connected to the upper feeding pipe is provided between the feeding tube and the upper feeding pipe; a dust-proof cover is connected to the bottom surface of the movable disk, and a pressing plate that can move up and down is provided in the dust-proof cover, and the up and down movement of the pressing plate is driven by a compacting cylinder installed on the support seat; a lower feeding pipe whose inner cavity is connected to the discharge hole is connected to the top surface of the pressing plate, and the upper end of the lower feeding pipe is arranged corresponding to the position of the feeding hole; a sliding rod that can slide up and down is inserted on the pressing plate, and the lower end of the sliding rod is connected to a material blocking cone that can block the discharge hole. The upper end of the sliding rod has an enlarged head, and the sliding rod is provided with a reset spring located between the head and the pressing plate.

[0005] The dust cover is connected with a dust suction pipe which is in communication with the inner cavity of the dust cover.

[0006] The pressing plate comprises an upper pressing plate and a lower pressing plate each provided with air holes, and a filtering layer is provided between the upper pressing plate and the lower pressing plate.

[0007] A sealing felt is connected to the edge of the pressing disc.

[0008] The feeding cylinder comprises an outer cylinder and an inner cylinder, a closed exhaust cavity is arranged between the outer cylinder and the inner cylinder, and an exhaust pipe connected to the exhaust cavity is connected to the outer cylinder; the cylinder wall of the inner cylinder comprises an inner cylinder outer wall with exhaust holes and an inner cylinder inner wall, and a filter layer is arranged between the inner cylinder outer wall and the inner cylinder inner wall.

[0009] The lower end section of the stirring shaft is a conical section that is thin at the top and thick at the bottom, and the pitch of the spiral blade gradually decreases from top to bottom.

[0010] The stirring shaft is connected with a stirring arm located in the silo.

[0011] A vacuum suction machine is connected to the feed inlet at the top of the silo.

[0012] The silo is connected to the frame via a weighing sensor.

[0013] When the present invention is loading the crucible, the dustproof cylinder drives the moving plate and then drives the dustproof cover to move downward. After the dustproof cover contacts the side wall of the upper port of the crucible, the crucible can be sealed. The stirring shaft drives the spiral blade to rotate to deliver the powdered battery material in the silo out of the feeding tube. After the powdered battery material flows out of the feeding tube, it enters the crucible through the gap between the upper feeding pipe, the feeding pipe, the lower feeding pipe, the material blocking cone and the feeding hole on the pressing plate; after the powdered battery material is loaded into the crucible, the compacting cylinder drives the pressing plate to move downward and then drives the material blocking cone to enter the crucible together, compacting the powdered battery material in the crucible. After the compaction is completed, the compacting cylinder and the dustproof cylinder return to their positions, thereby completing a loading process. It can be seen from this that the present invention can automatically complete the filling and compaction of powdered battery materials into the crucible, with high loading efficiency and low labor intensity, and the dust generated during the loading and compacting process can be collected by the dustproof cover, thereby avoiding environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The specific embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the structure of the present invention;

[0016] Figure 2 yes Figure 1 A magnified view of part A in FIG.

[0017] Figure 3 yes Figure 2 A magnified view of part B in FIG.

[0018] Figure 4 yes Figure 2 The enlarged view of the C part in FIG.

[0019] Figure 5 yes Figure 3 The enlarged view of the D part in FIG.

[0020] Figure 6 It is a schematic diagram of the structure of charging materials into a crucible according to the present invention;

[0021] Figure 7 It is a schematic diagram of the structure of compacting the material in the crucible of the present invention;

[0022] Figure 8 yes Figure 4 Enlarged view of middle part E. DETAILED DESCRIPTION

[0023] Reference Figure 1-5 and Figure 8 The automatic charging device for graphitized crucible of battery materials provided by the present invention comprises a frame 1, a weighing sensor 24 is connected to the frame 1, and a silo 2 is connected to the weighing sensor 24, that is, the silo 2 is connected to the frame 1 through the weighing sensor 24, and the weighing sensor 24 can weigh the battery material entering the silo 2. A feed port is provided on the top cover of the silo 2, and a vacuum suction machine 25 is connected to the feed port, and the vacuum suction machine 25 can suck the battery material into the silo 2. A discharge port is provided at the bottom of the silo 2, and a feeding barrel 3 with open ends is connected to the bottom of the silo 2; the feeding barrel 3 includes an outer barrel 26 and an inner barrel 27, a closed exhaust chamber 28 is provided between the outer barrel and the inner barrel, and an exhaust pipe 29 connected to the exhaust chamber is connected to the outer barrel; the barrel wall of the inner barrel includes an inner barrel outer wall 30 with exhaust holes and an inner barrel inner wall 31, a filter layer 32 is provided between the inner barrel outer wall and the inner barrel inner wall, and the filter layer 32 can be made of breathable felt or sponge. The upper port of the feeding barrel 3, i.e., the upper port of the inner barrel 27, is connected to the discharge port at the bottom of the silo 2. The lower end of the feeding barrel 3 is connected with a support plate 4. Of course, the support plate 4 can also be on the inner wall of the inner barrel 27 on the inner cavity wall of the feeding barrel 3. A bearing seat 33 is provided on the top cover of the silo 2. A stirring shaft 5 is rotatably connected to the bearing seat, which passes through the discharge port at the bottom of the silo 2 and extends into the feeding barrel 3, i.e., the inner barrel 27. The lower end of the stirring shaft 5 is rotatably connected to the support plate 4, and the upper end of the stirring shaft 5 is dynamically connected to a driving device mounted on the bearing seat, i.e., a motor 34; a spiral blade 6 is connected to the stirring shaft 5, and the spiral blade 6 cooperates with the inner barrel 27 to convey battery materials. A drop hole 7 is provided on the support plate 4. During the process of the spiral blade 6 pushing the battery material to move downward along the inner barrel 27, the battery material can flow out of the inner barrel 27 through the drop hole 7. The lower end section of the stirring shaft 5 located inside the inner cylinder 27 is a tapered section that is thin at the top and thick at the bottom. The pitch of the spiral blade 6 gradually decreases from top to bottom. This design is used to squeeze out the air mixed in the battery material when conveying the battery material to ensure the conveying amount of the material. The squeezed air reaches the filter layer 32 through the exhaust holes on the inner wall 31 of the inner cylinder, and then enters the exhaust chamber 28 through the exhaust holes on the outer wall 30 of the inner cylinder after passing through the filter layer 32. The stirring arm 39 is connected to the section of the stirring shaft 5 located inside the silo. Under the stirring of the stirring arm 39, the battery material in the silo can be prevented from arching and affecting the smooth entry of the battery material into the inner cylinder 27.

[0024] The support base 8 is fixedly connected to the feeding barrel 3, i.e., the outer barrel 26. A movable disc 10 that can move up and down is provided below the feeding barrel. The movable disc 10 is connected to the piston rod of the dustproof cylinder 9 installed on the support base, and the movable disc is driven by the dustproof cylinder 9 to move up and down. A feeding hole 11 is provided on the movable disc 10. An upper feeding pipe 12 whose inner cavity is connected to the feeding hole 11 is connected to the top surface of the movable disc 10. A retractable feeding pipe 13 whose upper end is connected to the support disc 4 and whose lower end is connected to the upper feeding pipe 12 is provided between the feeding barrel 3 and the upper feeding pipe 12. Of course, the feeding pipe 13 can also be connected to the feeding barrel 3. A dust cover 14 is connected to the bottom surface of the moving disc 10. A pressing disc 15 that can move up and down is provided inside the dust cover 14. The pressing disc 15 is connected to the piston rod of the compacting cylinder 16 installed on the support base 8, and the pressing disc 15 is driven by the compacting cylinder 16 to move up and down. The pressing plate 15 is provided with a feeding hole 17, and a lower feeding pipe 18 whose inner cavity is connected to the feeding hole 17 is connected to the top surface of the pressing plate 15, and the upper end of the lower feeding pipe 18 is arranged corresponding to the position of the feeding hole 11; a sliding rod 19 that can slide up and down is inserted on the pressing plate 15, and the lower end of the sliding rod 19 extends below the pressing plate 15 and is connected to a blocking cone 20 that can block the feeding hole 17, and the upper end of the sliding rod 19 extends above the pressing plate 15 and has an enlarged head 21, and a return spring 22 is mounted on the sliding rod 19 and is located between the head 21 and the pressing plate 15. After the blocking cone 20 blocks the feeding hole 17, the bottom surface of the blocking cone 20 is arranged as close to the bottom surface of the pressing plate 15 as possible, so that the blocking cone 20 and the pressing plate 15 can enter the crucible together to compact the battery material. The pressing plate 15 includes an upper pressing plate 35 and a lower pressing plate 36 with air holes, and a filter layer 37 is provided between the upper pressing plate and the lower pressing plate; the filter layer 37 can be made of breathable felt or sponge. When the retaining cone 20 and the pressing plate 15 enter the crucible together to compact the battery material, the air in the crucible can reach the filter layer 37 through the air holes on the lower pressing plate 36, and then enter the dust cover 14 through the air holes on the upper pressing plate 35 after being filtered by the filter layer 37. The edge of the pressing plate 15 is connected with a sealing felt 38, which is used for dust sealing between the pressing plate 15 and the inner wall of the crucible. The dust cover 14 is connected with a dust suction pipe 23 connected to the inner cavity of the dust cover 14. The dust suction pipe 23 is connected to the exhaust pipe 29 through a connecting pipe with a telescopic connecting pipe 39 in the middle. The dust suction pipe 23 is connected to a dust suction device, which is an existing product such as a cyclone dust collector or a bag dust collector. The dust suction device is omitted in the figure.

[0025] The action process of the present invention is as follows: Figure 1-5 and Figure 8 And focus on Figure 6 and Figure 7, the powdered battery material is sucked into the silo by the vacuum suction machine 25, and the crucible 40 is sent to the bottom of the dust cover 14 by the crucible conveying device (such as a roller conveyor, not shown in the figure), and the dustproof cylinder 9 pushes the movable plate 10 to drive the dustproof cover 14 to move downward. At the same time, the compacting cylinder 16 pushes the pressing plate 15 to move downward. After the dustproof cover 14 contacts the crucible 40 to seal the upper end of the crucible, the dustproof cylinder 9 and the compacting cylinder 16 stop moving downward, and then the compacting cylinder 16 drives the pressing plate 15 to move upward, and the slide bar 19 presses on the movable plate 10. As the pressing plate 15 moves upward, the reset spring 22 is compressed, and the material blocking cone 20 disengages from the discharge hole 17 on the pressing plate 15. After the lower conveying pipe 18 presses on the movable plate 10, the compacting cylinder 16 stops moving, and the discharge hole 17 is in an open state. The motor 34 drives the stirring shaft to rotate and deliver the battery material out of the feeding barrel 3. When the amount of battery material delivered reaches the set amount, the weighing sensor sends a signal to stop the motor 34. The battery material leaving the feeding barrel 3 enters the crucible 40 through the feeding pipe 13, the upper feeding pipe 12, the feeding hole 11, the lower feeding pipe 18, and the lower feeding hole 17, thereby realizing the loading. The loading process is as follows: Figure 6 After the loading is completed, the compacting cylinder 16 drives the pressing plate 15 to move downward, the return spring 22 extends and drives the slide bar 19 to drive the blocking cone 20 to move upward relative to the pressing plate 15, and the discharge hole 17 is blocked; the pressing plate 15 and the blocking cone 20 enter the crucible 40, and the battery material can be compacted under the push of the compacting cylinder 16. The compaction process is shown in FIG. Figure 7 After compaction is completed, the compaction cylinder 16 drives the pressing plate 15 to move upward so that the pressing plate 15 and the blocking cone 20 return to Figure 6 In the state shown, the motor 34 is activated again to start the second loading. After the second loading is completed, the compacting cylinder 16 is activated again to perform the second compaction. After the second compaction is completed, the dustproof cylinder 9 drives the dustproof cover 14 to move up and leave the crucible. The compacting cylinder 16 drives the pressing plate 15 to move up again so that the pressing plate 15 and the blocking cone 20 return to the original position. Figure 6 The state shown in FIG. 1 shows that the charging of one crucible is completed. The above process is repeated continuously to realize the charging of subsequent crucibles. The dust entering the exhaust chamber 28 and the dust cover 14 during the charging and compacting process is sucked away by the dust collecting device.

Claims

1. An automatic charging device for a graphitized crucible of battery materials, comprising a frame (1), characterized in that The frame (1) is connected to a silo (2), the top of the silo (2) is provided with a feed port, and the bottom of the silo (2) is provided with a discharge port; the bottom of the silo (2) is connected to a feeding barrel (3) with open ends, the upper end of the feeding barrel (3) is communicated with the discharge port, the lower end of the feeding barrel (3) or the inner cavity wall of the feeding barrel (3) is connected to a support plate (4), the top of the silo (2) is rotatably connected to a stirring shaft (5) that passes through the discharge port and extends into the feeding barrel (3), the lower end of the stirring shaft (5) is rotatably connected to the support plate (4), and the stirring shaft (5) is connected to the support plate (4). (5) The upper end is connected to the driving device, the stirring shaft (5) is connected to a spiral blade (6), and the support plate (4) is provided with a drop hole (7); the feeding barrel (3) is fixedly connected to a support seat (8), and a movable plate that can move up and down is provided below the feeding barrel. The up and down movement of the movable plate is driven by a dustproof cylinder (9) installed on the support seat. The movable plate (10) is provided with a feed hole (11), and the top surface of the movable plate (10) is connected to an upper feed pipe (12) whose inner cavity is connected to the feed hole (11). The feeding barrel ( A retractable material feeding pipe (13) is provided between the movable plate (10) and the upper material conveying pipe (12), the upper end of which is connected to the material feeding barrel (3) or the support plate (4) and the lower end of which is connected to the upper material conveying pipe (12); a dust cover (14) is connected to the bottom surface of the movable plate (10), and a material pressing plate (15) which can move up and down is provided in the dust cover (14), and the up and down movement of the material pressing plate (15) is driven by a compacting cylinder (16) installed on the support seat (8); a material discharge hole (17) is provided on the material pressing plate (15), and the material pressing plate (15) A lower feed pipe (18) whose inner cavity is connected to the feed hole (17) is connected to the top surface, and an upper end of the lower feed pipe (18) is arranged corresponding to the position of the feed hole (11); a sliding rod (19) that can slide up and down is inserted on the pressure plate (15), and a blocking cone (20) that can block the feed hole (17) is connected to the lower end of the sliding rod (19), and an enlarged head (21) is provided at the upper end of the sliding rod (19), and a return spring (22) is sleeved on the sliding rod (19) and is located between the head and the pressure plate (15).

2. The automatic charging device for a graphitized crucible of battery materials according to claim 1, wherein the dust cover (14) is connected to a dust suction pipe (23) which is in communication with the inner cavity of the dust cover (14).

3. The automatic charging device for graphitizing crucible of battery materials according to claim 2, characterized in that The pressing plate (15) comprises an upper pressing plate and a lower pressing plate each provided with air holes, and a filter layer is provided between the upper pressing plate and the lower pressing plate.

4. The automatic charging device for graphitizing crucible of battery materials according to claim 3, characterized in that A sealing felt is connected to the edge of the pressing plate (15).

5. The automatic charging device for graphitizing crucible of battery materials according to claim 1, characterized in that The feeding cylinder (3) comprises an outer cylinder and an inner cylinder, a sealed exhaust chamber is provided between the outer cylinder and the inner cylinder, and the outer cylinder is connected to an exhaust pipe which is in communication with the exhaust chamber; the cylinder wall of the inner cylinder comprises an inner cylinder outer wall provided with exhaust holes and an inner cylinder inner wall, and a filter layer is provided between the inner cylinder outer wall and the inner cylinder inner wall.

6. The automatic charging device for graphitizing crucible of battery materials according to claim 5, characterized in that The lower end section of the stirring shaft (5) is a conical section that is thin at the top and thick at the bottom, and the pitch of the spiral blade (6) gradually decreases from top to bottom.

7. The automatic charging device for graphitizing crucible of battery materials according to claim 1, characterized in that The stirring shaft (5) is connected to a stirring arm located in the silo.

8. The automatic charging device for graphitizing crucible of battery materials according to claim 1, characterized in that The feed inlet at the top of the silo (2) is connected to a vacuum suction machine.

9. The automatic charging device for graphitizing crucible of battery materials according to claim 1, characterized in that The silo (2) is connected to the frame via a weighing sensor.

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