Natural graphite negative electrode material fusion modification process device

Abstract

The utility model discloses a natural graphite cathode material fusion modification process device, relates to the technical field of graphite cathode material modification, and solves the technical problems of incapability of uniformly stirring and mixing and lower mechanical fusion quality in the prior art. According to the natural graphite negative electrode material fusion modification process device, the problems that in the prior art, uniform stirring and mixing cannot be achieved, and the mechanical fusion quality is low can be effectively solved, the quality and efficiency of the mixing process are improved, and due to the design of the main rotating disc, the center shaft and the planet shaft, the mixing efficiency is improved. The stirring mode of rotation stirring of the planet shaft and revolution around the center shaft is achieved, more uniform and sufficient mixing is achieved, the modification effect of the natural graphite negative electrode material is ensured, the gear reducer and the bevel gear transmission system are designed, so that operation of the equipment is more stable, energy loss is reduced, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite negative electrode material modification, in particular to a natural graphite negative electrode material fusion modification process device. Background Art

[0002] The utility model relates to the technical field that uses natural spherical graphite to manufacture negative electrode materials for lithium-ion batteries, and a very critical process is mechanical fusion. The quality of mechanical fusion directly determines the energy density and service life of lithium-ion batteries, because the quality of mechanical fusion directly determines the product's tap density, specific surface area, dispersion, uniformity and stability. These technical indicators directly determine the quality of the lithium-ion batteries produced. The device is designed based on the physical properties, shape, and working principle of the fine powder particle mixing and modification process device of natural spherical graphite and binder, and the technical defects of the existing natural graphite negative electrode material fusion and modification process device are solved. The device structure shape, the position of the stirring device inside the device, the shape and angle of the guide blades, the number and speed of the stirring device, and the feeding and discharging position structure are improved. After the successful development of this project, it can ensure that the technical indicators such as tap density, specific surface area, dispersion, uniformity and stability meet the user requirements, the product quality is stable, and it can fully meet the customer's quality requirements for the product. Summary of the invention

[0003] In view of the deficiencies of the prior art, the utility model provides a natural graphite negative electrode material fusion modification process device, which solves the technical problems of the prior art that the mixing cannot be uniformly stirred and the mechanical fusion quality is low.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a natural graphite negative electrode material fusion modification process device, comprising a main base, a column is fixedly installed on the main base, a mixing box is fixedly installed on the column, a driving frame is fixedly installed on the upper wall of the mixing box, a main turntable is rotatably installed in the driving frame, a center shaft is rotatably installed in the main turntable, a planetary shaft is rotatably installed in the main turntable, and auger blades are fixedly installed on the center shaft and the planetary shafts.

[0005] Preferably, a first motor is fixedly mounted on the side wall of the mixing box, a driving gear is fixedly mounted on the driving end of the first motor, a driven gear ring is fixedly mounted on the side wall of the main turntable, and the driving gear is meshingly connected with the driven gear ring.

[0006] Preferably, a central gear is fixedly mounted on the central shaft and located inside the main turntable, and planetary gears are fixedly mounted on the planetary shafts and located inside the main turntable, and the planetary gears are respectively meshed and connected with the central gear.

[0007] Preferably, a cross beam is fixedly mounted on the upper wall of the mixing box, a second motor is fixedly mounted on the upper wall of the cross beam, a gear reducer is fixedly mounted on the upper wall of the cross beam, a driving end of the second motor is fixedly connected to an input end of the gear reducer, a driving bevel gear is fixedly mounted on an output end of the gear reducer, a driven bevel gear is fixedly mounted on the central shaft, and the driving bevel gear is meshingly connected with the driven bevel gear.

[0008] Preferably, an auxiliary bevel gear is rotatably mounted on the upper wall surface of the cross beam, and the auxiliary bevel gear is meshingly connected with the driven bevel gear.

[0009] Preferably, a feeding hopper is provided on the side wall of the mixing box, a switch tube is fixedly installed on the lower wall of the mixing box, a discharge pipe is fixedly installed on the side wall of the mixing box, a sealing block is slidably installed in the switch tube, the upper end of the switch tube is connected to the lower end of the mixing box, an electric push rod is fixedly installed in the switch tube, and the telescopic end of the electric push rod is connected to the side wall of the sealing block.

[0010] Beneficial Effects

[0011] The utility model provides a natural graphite negative electrode material fusion modification process device. The natural graphite negative electrode material fusion modification process device provided by the utility model can effectively solve the problems of uneven mixing and low mechanical fusion quality in the prior art, improve the quality and efficiency of the mixing process, and the design of the main turntable, the central axis and the planetary axis realizes the stirring method of planetary axis rotation and revolution around the central axis, which ensures more uniform and sufficient mixing and ensures the modification effect of the natural graphite negative electrode material. The gear reducer and bevel gear transmission system are designed to make the operation of the equipment more stable, reduce energy loss and extend the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main cross-sectional structure of a natural graphite negative electrode material fusion modification process device described in the utility model.

[0013] In the figure: 1. main base; 2. column; 3. mixing box; 4. driving frame; 5. main turntable; 6. planetary shaft; 7. auger blade; 8. first motor; 9. driving gear; 10. driven gear ring; 11. central gear; 12. planetary gear; 13. crossbeam; 14. second motor; 15. gear reducer; 16. driving bevel gear; 17. driven bevel gear; 18. auxiliary bevel gear; 19. hopper; 20. switch tube; 21. discharge tube; 22. sealing block; 23. electric push rod; 24. central shaft; DETAILED DESCRIPTION

[0014] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the technical scheme in the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiment of the present invention. Obviously, the described embodiment is only a part of the embodiment of the present invention, rather than all the embodiments. The detailed description is as follows.

[0015] See also Figure 1 The utility model provides a technical solution: a natural graphite negative electrode material fusion modification process device, including a main base 1, a column 2 is fixedly installed on the main base 1, a mixing box 3 is fixedly installed on the column 2, a driving frame 4 is fixedly installed on the wall of the mixing box 3, a main turntable 5 is rotatably installed in the driving frame 4, a center shaft 24 is rotatably installed in the main turntable 5, a planetary shaft 6 is rotatably installed in the main turntable 5, and auger blades 7 are fixedly installed on the center shaft 24 and the planetary shaft 6.

[0016] This embodiment is further configured as follows: a first motor 8 is fixedly mounted on the side wall of the mixing box 3, a driving gear 9 is fixedly mounted on the driving end of the first motor 8, a driven ring gear 10 is fixedly mounted on the side wall of the main turntable 5, and the driving gear 9 is meshingly connected with the driven ring gear 10.

[0017] This embodiment is further configured such that a central gear 11 is fixedly mounted on the central shaft 24 and located inside the main turntable 5 , and planetary gears 12 are fixedly mounted on the planetary shafts 6 and located inside the main turntable 5 , and the planetary gears 12 are meshedly connected with the central gear 11 respectively.

[0018] This embodiment is further configured as follows: a crossbeam 13 is fixedly mounted on the upper wall of the mixing box 3, a second motor 14 is fixedly mounted on the upper wall of the crossbeam 13, a gear reducer 15 is fixedly mounted on the upper wall of the crossbeam 13, a driving end of the second motor 14 is fixedly connected to the input end of the gear reducer 15, a driving bevel gear 16 is fixedly mounted on the output end of the gear reducer 15, a driven bevel gear 17 is fixedly mounted on the central shaft 24, and the driving bevel gear 16 is meshingly connected with the driven bevel gear 17.

[0019] This embodiment is further configured such that an auxiliary bevel gear 18 is rotatably mounted on the upper wall surface of the cross beam 13 , and the auxiliary bevel gear 18 is meshingly connected with the driven bevel gear 17 .

[0020] The present embodiment is further configured as follows: a hopper 19 is provided on the side wall of the mixing box 3, a switch tube 20 is fixedly installed on the lower wall of the mixing box 3, a discharge pipe 21 is fixedly installed on the side wall of the mixing box 3, a sealing block 22 is slidably installed in the switch tube 20, the upper end of the switch tube 20 is connected to the lower end of the mixing box 3, an electric push rod 23 is fixedly installed in the switch tube 20, and the telescopic end of the electric push rod 23 is connected to the side wall of the sealing block 22.

[0021] The detailed connection means are well known in the art; Figure 1 As shown, the first motor 8 and the second motor 14 are connected to the controller and the power supply through wires. Preparation work: ensure that the environment around the equipment is clean and tidy, check whether all parts of the equipment are normal, and ensure safe operation.

[0022] Adding materials: Open the feeding hopper 19 and put the natural graphite negative electrode material to be mixed into the mixing box 3.

[0023] Starting device: Start the first motor 8 and the second motor 14. The driving end of the first motor 8 drives the driving gear 9 to rotate, and the driving gear 9 drives the driven ring gear 10 to rotate, so that the driven ring gear 10 drives the main turntable 5 to rotate, and the planetary shaft 6 rotates around the center axis 24. The second motor 14 drives the driving bevel gear 16 to rotate, and the driving bevel gear 16 drives the driven bevel gear 17 to rotate, and the driven bevel gear 17 drives the center axis 24 to rotate, and the center axis 24 drives the auger blades to rotate, and the center gear 11 on the center axis 24 rotates, and the center gear 11 drives the planetary gear 12 to rotate, so that the planetary gear 12 causes the planetary shaft 6 to rotate, and drives the auger blades 7 to rotate.

[0024] Monitor the mixing process: Observe the speed and mixing effect during the mixing process, and adjust the mixing time and speed as needed.

[0025] Discharging: After the mixing is completed, the feeding hopper 19 is closed, the discharging pipe 21 is opened, and the electric push rod 23 is shortened so that the sealing block 22 opens the through hole to discharge the mixed material.

[0026] Shut down the equipment: stop the first motor 8 and the second motor 14, close the discharge pipe 21 and the feeding hopper 19, and clean the inside of the equipment and the surrounding environment.

[0027] Inspection and maintenance: Regularly inspect and maintain the equipment to ensure normal operation of the equipment and extend its service life.

[0028] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A natural graphite negative electrode material fusion modification process device, comprising a main base (1), characterized in that: A column (2) is fixedly mounted on the main base (1), a mixing box (3) is fixedly mounted on the column (2), a driving frame (4) is fixedly mounted on the upper wall of the mixing box (3), a main turntable (5) is rotatably mounted in the driving frame (4), a central shaft (24) is rotatably mounted in the main turntable (5), a planetary shaft (6) is rotatably mounted in the main turntable (5), auger blades (7) are fixedly mounted on the central shaft (24) and the planetary shaft (6), and a second rotating shaft (24) is fixedly mounted on the side wall of the mixing box (3). A motor (8), wherein a driving gear (9) is fixedly mounted on the driving end of the first motor (8), a driven gear ring (10) is fixedly mounted on the side wall of the main rotating disk (5), the driving gear (9) is meshingly connected with the driven gear ring (10), a central gear (11) is fixedly mounted on the central shaft (24) and located inside the main rotating disk (5), and planetary gears (12) are fixedly mounted on the planetary shaft (6) and located inside the main rotating disk (5), and the planetary gears (12) are respectively meshingly connected with the central gear (11).

2. A natural graphite negative electrode material fusion modification process device according to claim 1, characterized in that A crossbeam (13) is fixedly mounted on the upper wall of the mixing box (3), a second motor (14) is fixedly mounted on the upper wall of the crossbeam (13), a gear reducer (15) is fixedly mounted on the upper wall of the crossbeam (13), a driving end of the second motor (14) is fixedly connected to an input end of the gear reducer (15), an active bevel gear (16) is fixedly mounted on an output end of the gear reducer (15), a driven bevel gear (17) is fixedly mounted on the central shaft (24), and the active bevel gear (16) is meshingly connected with the driven bevel gear (17).

3. A natural graphite negative electrode material fusion modification process device according to claim 2, characterized in that An auxiliary bevel gear (18) is rotatably mounted on the upper wall of the cross beam (13), and the auxiliary bevel gear (18) is meshingly connected with the driven bevel gear (17).

4. A natural graphite negative electrode material fusion modification process device according to claim 1, characterized in that The side wall of the mixing box (3) is provided with a feeding hopper (19), the lower wall of the mixing box (3) is fixedly provided with a switch tube (20), the side wall of the mixing box (3) is fixedly provided with a discharge tube (21), a sealing block (22) is slidably installed in the switch tube (20), the upper end of the switch tube (20) is connected to the lower end of the mixing box (3), an electric push rod (23) is fixedly installed in the switch tube (20), and the telescopic end of the electric push rod (23) is connected to the side wall of the sealing block (22).

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