Grinding equipment for preparing conductive slurry of carbon nano tube of lithium battery

Abstract

The invention discloses grinding equipment for preparation of lithium battery carbon nanotube conductive slurry, and relates to the technical field of conductive slurry grinding equipment. A driving mechanism is arranged in the device body, the right end of the driving mechanism is connected with a grinding mechanism, the grinding mechanism comprises a rotating cylinder, the outer side of the rotating cylinder is rotationally connected with a grinding cylinder, the right end of the driving mechanism is connected with a first grinding shaft, and the first grinding shaft is located in the rotating cylinder; and an electromagnetic valve is arranged at the bottom of the grinding cylinder, a grinding box is connected to the bottom of the electromagnetic valve, two sets of second grinding shafts are arranged in the grinding box, and the second grinding shafts are connected with the driving mechanism. The driving mechanism drives the first grinding shaft to rotate, the first grinding shaft can grind the conductive slurry in the rotating cylinder, meanwhile, the driving mechanism can drive the rotating cylinder to rotate reversely, and therefore the rotating cylinder drives the conductive slurry to roll, and the efficiency is improved when the first grinding shaft grinds the conductive slurry.

Description

Technical Field

[0001] The present invention relates to the technical field of conductive paste grinding equipment, and specifically relates to a grinding equipment for preparing lithium battery carbon nanotube conductive paste. Background Art

[0002] The grinding equipment for preparing lithium battery carbon nanotube conductive paste is a special equipment used to uniformly disperse and grind raw materials such as carbon nanotubes, solvents, and binders to a nanoscale particle size. Its performance directly affects the conductivity, stability, and coating quality of the paste. However, the existing conductive paste grinding equipment has some deficiencies, such as: A conductive paste grinding device with the application number CN202411348259.5. This equipment reduces the probability of agglomeration caused by the too large specific surface area of carbon nanotube powder particles through improving the feeding uniformity and pre-mixing treatment. At the same time, the distance between the grinding disks is adjusted during grinding, thereby reducing the required circulation time for grinding the conductive paste. However, during actual use, the grinding cylinder of this equipment is difficult to cooperate with the grinding shaft to grind the conductive paste, which may lead to the problem of reduced grinding efficiency; Therefore, we propose a grinding equipment for preparing lithium battery carbon nanotube conductive paste to solve the problems raised above. Summary of the Invention

[0003] The purpose of the present invention is to provide a grinding equipment for preparing lithium battery carbon nanotube conductive paste to solve the problem in the above background art that the grinding cylinder of the existing conductive paste grinding device is difficult to cooperate with the grinding shaft to grind the conductive paste, which may result in the problem of reduced grinding efficiency.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A grinding equipment for preparing lithium battery carbon nanotube conductive paste, including a device main body and a grinding cylinder connected to the right end of the device main body; A driving mechanism is provided inside the device main body, and a grinding mechanism is connected to the right end of the driving mechanism. The grinding mechanism includes a rotating cylinder. The outer side of the rotating cylinder is rotatably connected to the grinding cylinder, and a first grinding shaft is connected to the right end of the driving mechanism. The first grinding shaft is located inside the rotating cylinder; A solenoid valve is provided at the bottom of the grinding cylinder, and a grinding box is connected to the bottom of the solenoid valve. Two groups of second grinding shafts are provided inside the grinding box, and the second grinding shafts are connected to the driving mechanism.

[0005] Driving the first grinding shaft to rotate through the driving mechanism can enable the first grinding shaft to grind the conductive paste inside the rotating cylinder. At the same time, the driving mechanism will also drive the rotating cylinder to rotate in the reverse direction, so that the rotating cylinder drives the conductive paste to roll, improving the efficiency when the first grinding shaft grinds the conductive paste. Subsequently, it is transmitted to the grinding box for further grinding, enabling the conductive paste to be ground more finely.

[0006] As a preferred technical solution of the present invention, the inside of the device main body is connected to the driving mechanism, and the driving mechanism includes a driving motor. A first bevel gear set is provided at the right end of the driving motor. A driving shaft is provided at the bottom of the first bevel gear set, and a second bevel gear set is provided in the middle of the driving shaft. A first gear is connected to the right end of the second bevel gear set.

[0007] Adopting the above technical solution can make the driving mechanism more stable when driving the first grinding shaft and the rotating cylinder to rotate, thereby increasing the stability of the device when grinding the conductive paste.

[0008] As a preferred technical solution of the present invention, the right end of the first bevel gear set is fixedly connected to the first grinding shaft. A toothed ring is meshed at the top of the first gear, and the outside of the toothed ring is fixedly connected to the rotating cylinder. A set of slot holes is provided at the bottom of the rotating cylinder, and the slot holes can be aligned with the electromagnetic valves at the bottom of the grinding cylinder.

[0009] Adopting the above technical solution can enable the first bevel gear set to drive the first grinding shaft to rotate forward, and the first gear can drive the toothed ring to rotate in the reverse direction, so that the rotating cylinder cooperates with the first grinding shaft to grind the paste.

[0010] As a preferred technical solution of the present invention, a feed port is provided at the right end of the grinding cylinder. The feed port is connected to the right end of the rotating cylinder through a bearing, and the top of the grinding cylinder is fixedly connected to the device main body through a bracket.

[0011] Adopting the above technical solution can make As a preferred technical solution of the present invention, two sets of second gears are provided at the bottom of the device main body. The top of one set of second gears is meshed with the first gear, and the left end of the second grinding shaft passes through the grinding box and is fixedly connected to the second gear.

[0012] Adopting the above technical solution can make the driving mechanism more stable when driving the two grinding shafts to rotate simultaneously to grind the conductive paste inside the grinding box, thereby increasing the stability of the device during operation.

[0013] As a preferred technical solution of the present invention, a discharge port is provided at the right end of the grinding box, and a first sprocket is provided at the bottom of the drive shaft. A chain is meshed outside the first sprocket. The other end of the chain is meshed with a second sprocket, and a peristaltic pump rod is connected to the bottom of the second sprocket. A peristaltic pump housing is provided outside the peristaltic pump rod. A transmission pipe is provided between the peristaltic pump rod and the peristaltic pump housing, and the right end of the transmission pipe is connected to the grinding box through a one-way valve.

[0014] Adopting the above technical solution can make it more convenient for the transmission pipe to transfer hot air to the grinding box for thermal processing of the conductive paste, thereby increasing the efficiency of the equipment during grinding.

[0015] As a preferred technical solution of the present invention, the transmission pipe is of a flexible pipe structure, and the other end of the transmission pipe is connected to a hot air box.

[0016] Adopting the above technical solution can make it more convenient for the transmission pipe to transfer hot air, thereby increasing the thermal processing efficiency of the equipment.

[0017] Compared with the prior art, the beneficial effects of the present invention are: by driving the first grinding shaft to rotate through the driving mechanism, the first grinding shaft can grind the conductive paste inside the rotating cylinder. At the same time, the driving mechanism will also drive the rotating cylinder to rotate in the reverse direction, so that the rotating cylinder drives the conductive paste to roll, improving the efficiency of the first grinding shaft when grinding the conductive paste. Then it is transferred to the grinding box for further grinding, enabling the conductive paste to be ground more finely; Furthermore, by driving the toothed ring to rotate through the first gear, when the first bevel gear set drives the first grinding shaft to rotate forward, the first gear can drive the toothed ring to rotate in the reverse direction, so that the rotating cylinder cooperates with the first grinding shaft to grind the paste; Moreover, through the setting of the peristaltic pump rod and the peristaltic pump housing, it can make it more convenient for the transmission pipe to transfer hot air to the grinding box for thermal processing of the conductive paste, thereby increasing the efficiency of the equipment during grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front elevation structure schematic diagram of the present invention; Figure 2 It is a three-dimensional structure schematic diagram of the front cross-section of the present invention; Figure 3 It is a three-dimensional structure schematic diagram of the driving mechanism of the present invention; Figure 4 It is a three-dimensional structure schematic diagram of the grinding mechanism of the present invention; Figure 5 It is a three-dimensional structure schematic diagram of the second grinding shaft of the present invention; Figure 6 It is a three-dimensional structure schematic diagram of the peristaltic pump rod and the peristaltic pump housing of the present invention.

[0019] In the figure: 1. Device main body; 2. Driving motor; 3. First bevel gear set; 4. First grinding shaft; 5. Grinding cylinder; 6. Feed inlet; 7. Driving shaft; 8. Second bevel gear set; 9. First gear; 10. Tooth ring; 11. Rotating cylinder; 12. Solenoid valve; 13. Second gear; 14. Second grinding shaft; 15. Grinding box; 16. Discharge outlet; 17. First sprocket; 18. Chain; 19. Second sprocket; 20. Peristaltic pump rod; 21. Peristaltic pump housing; 22. Transfer pipe; 23. Hot air box. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0021] In order to solve the problem that the grinding cylinder of the conductive paste grinding device in the prior art is difficult to cooperate with the grinding shaft to grind the conductive paste, which may reduce the grinding efficiency, the following solution is disclosed. Please refer to Figures 1-6 , the present invention provides a technical solution: a grinding device for preparing lithium battery carbon nanotube conductive paste, including a device main body 1 and a grinding cylinder 5 connected to the right end of the device main body 1; A driving mechanism is provided inside the device main body 1, and a grinding mechanism is connected to the right end of the driving mechanism. The grinding mechanism includes a rotating cylinder 11. The outer side of the rotating cylinder 11 is rotatably connected to the grinding cylinder 5, and the right end of the driving mechanism is connected to a first grinding shaft 4. The first grinding shaft 4 is located inside the rotating cylinder 11; A solenoid valve 12 is provided at the bottom of the grinding cylinder 5, and the bottom of the solenoid valve 12 is connected to a grinding box 15. Two second grinding shafts 14 are provided inside the grinding box 15, and the second grinding shafts 14 are connected to the driving mechanism; The inside of the device main body 1 is connected to the driving mechanism. The driving mechanism includes a driving motor 2. A first bevel gear set 3 is provided at the right end of the driving motor 2. A driving shaft 7 is provided at the bottom of the first bevel gear set 3. A second bevel gear set 8 is provided in the middle of the driving shaft 7. The right end of the second bevel gear set 8 is connected to a first gear 9; The right end of the first bevel gear set 3 is fixedly connected to the first grinding shaft 4. The top of the first gear 9 meshes with a tooth ring 10. The outer side of the tooth ring 10 is fixedly connected to the rotating cylinder 11. A set of slot holes is provided at the bottom of the rotating cylinder 11, and the slot holes can be aligned with the solenoid valve 12 at the bottom of the grinding cylinder 5; The right end of the grinding cylinder 5 is provided with a feed inlet 6, and the feed inlet 6 is connected to the right end of the rotating cylinder 11 through a bearing. Moreover, the top of the grinding cylinder 5 is fixedly connected to the device main body 1 through a bracket. The bottom of the device main body 1 is provided with two groups of second gears 13, and the top of one group of second gears 13 meshes with the first gear 9. Moreover, the left end of the second grinding shaft 14 passes through the grinding box 15 and is fixedly connected to the second gear 13; The right end of the grinding box 15 is provided with a discharge port 16, and the bottom of the drive shaft 7 is provided with a first sprocket 17. Moreover, a chain 18 is meshed outside the first sprocket 17. The other end of the chain 18 is meshed with a second sprocket 19, and the bottom of the second sprocket 19 is connected to a peristaltic pump rod 20. Moreover, a peristaltic pump housing 21 is arranged outside the peristaltic pump rod 20. A transfer pipe 22 is arranged between the peristaltic pump rod 20 and the peristaltic pump housing 21. Moreover, the right end of the transfer pipe 22 is connected to the grinding box 15 through a one-way valve. The transfer pipe 22 is of a hose structure, and the other end of the transfer pipe 22 is connected to a hot air box 23.

[0022] Working principle: When using this grinding equipment for preparing lithium battery carbon nanotube conductive paste, first connect the equipment power supply to the power grid for power supply. Subsequently, transfer the conductive paste into the rotating cylinder 11 inside the grinding cylinder 5, and then make the driving mechanism drive the grinding mechanism to operate, so that the first grinding shaft 4 rotates inside the rotating cylinder 11. At the same time, the rotating cylinder 11 will also rotate, so that the rotating cylinder 11 drives the conductive paste inside to roll, so that the conductive paste is ground by the first grinding shaft 4 when rolling; When the driving mechanism is operating, the driving motor 2 will drive the first bevel gear set 3 to rotate, so that the first bevel gear set 3 drives the first grinding shaft 4 to rotate. At the same time, the first bevel gear set 3 will also drive the bottom drive shaft 7 and the second bevel gear set 8 to rotate, so that the second bevel gear set 8 drives the first gear 9 to rotate, so that the first gear 9 drives the tooth ring 10 to rotate in the reverse direction, so that the tooth ring 10 drives the rotating cylinder 11 to rotate in the reverse direction to drive the conductive paste to roll, and cooperate with the first grinding shaft 4 for grinding; When the first gear 9 rotates, it will also drive one of the groups of second gears 13 at the bottom to rotate, so that the two groups of second gears 13 drive the second grinding shafts 14 to rotate towards each other at the same time to grind the conductive paste inside the grinding box 15. At the same time, the drive shaft 7 will also drive the first sprocket 17 to rotate, so that the first sprocket 17 drives the second sprocket 19 and the peristaltic pump rod 20 to rotate through the chain 18, so that the peristaltic pump rod 20 cooperates with the peristaltic pump housing 21 to squeeze the transfer pipe 22, so that the transfer pipe 22 transfers hot air into the grinding box 15, and while performing hot processing, pushes the conductive paste to be transferred to the discharge port 16 for discharging.

[0023] Thus, a series of work is completed. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0024] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A grinding device for preparing a carbon nanotube conductive paste for a lithium battery, comprising a device main body (1) and a grinding cylinder (5) connected to the right end of the device main body (1); It is characterized in that: A driving mechanism is arranged inside the device main body (1), and a grinding mechanism is connected to the right end of the driving mechanism. The grinding mechanism includes a rotating cylinder (11). The outer side of the rotating cylinder (11) is rotatably connected to the grinding cylinder (5), and a first grinding shaft (4) is connected to the right end of the driving mechanism. The first grinding shaft (4) is located inside the rotating cylinder (11); An electromagnetic valve (12) is arranged at the bottom of the grinding cylinder (5), and a grinding box (15) is connected to the bottom of the electromagnetic valve (12). Two second grinding shafts (14) are arranged inside the grinding box (15), and the second grinding shafts (14) are connected to the driving mechanism.

2. The grinding equipment for preparing the carbon nanotube conductive paste of the lithium battery according to claim 1, characterized in that, It is connected to the driving mechanism inside the device main body (1). The driving mechanism includes a driving motor (2), and a first bevel gear set (3) is arranged at the right end of the driving motor (2). A driving shaft (7) is arranged at the bottom of the first bevel gear set (3), a second bevel gear set (8) is arranged in the middle of the driving shaft (7), and a first gear (9) is connected to the right end of the second bevel gear set (8).

3. The grinding device for preparing the carbon nanotube conductive paste of the lithium battery according to claim 2, characterized in that, The right end of the first bevel gear set (3) is fixedly connected to the first grinding shaft (4), a toothed ring (10) is meshed with the top of the first gear (9), and the outer side of the toothed ring (10) is fixedly connected to the rotating cylinder (11). A set of slot holes is arranged at the bottom of the rotating cylinder (11), and the slot holes can be aligned with the electromagnetic valve (12) at the bottom of the grinding cylinder (5).

4. The grinding equipment for preparing the carbon nanotube conductive paste of the lithium battery according to claim 3, characterized in that, A feed port (6) is arranged at the right end of the grinding cylinder (5), and the feed port (6) is connected to the right end of the rotating cylinder (11) through a bearing. The top of the grinding cylinder (5) is fixedly connected to the device main body (1) through a bracket.

5. The grinding device for preparing the carbon nanotube conductive paste of the lithium battery according to claim 3, characterized in that, Two second gears (13) are arranged at the bottom of the device main body (1), and the top of one set of second gears (13) is meshed with the first gear (9). The left end of the second grinding shaft (14) passes through the grinding box (15) and is fixedly connected to the second gear (13).

6. The grinding device for preparing the carbon nanotube conductive paste of the lithium battery according to claim 5, characterized in that, A discharge port (16) is arranged at the right end of the grinding box (15), a first sprocket (17) is arranged at the bottom of the driving shaft (7), and a chain (18) is meshed with the outer side of the first sprocket (17). The other end of the chain (18) is meshed with a second sprocket (19), a peristaltic pump rod (20) is connected to the bottom of the second sprocket (19), a peristaltic pump housing (21) is arranged outside the peristaltic pump rod (20), a transfer pipe (22) is arranged between the peristaltic pump rod (20) and the peristaltic pump housing (21), and the right end of the transfer pipe (22) is connected to the grinding box (15) through a one-way valve.

7. The grinding equipment for preparing the carbon nanotube conductive paste of the lithium battery according to claim 6, characterized in that, The transfer pipe (22) is of a hose structure, and the other end of the transfer pipe (22) is connected to a hot air box (23).

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