Spherical graphite shaping device
The spherical graphite shaping device, designed with a negative pressure feeding mechanism and a circulating return channel, solves the problems of large footprint and complex production line of existing devices, and achieves efficient graphite shaping and improved finished product yield.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BTR NEW MATERIAL GRP CO LTD
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-21
AI Technical Summary
Existing spherical graphite shaping equipment occupies a large area and has a complex production line. Furthermore, when increasing production capacity, existing equipment is prone to over-crushing, resulting in a reduced yield of finished products.
The device employs a combination design of negative pressure feeding mechanism, shaping machine, grading mechanism, three-way valve and dust removal mechanism. The graphite is repeatedly circulated and shaped in the shaping machine through the circulating return channel. The negative pressure is used to circulate the material in the device until it reaches the qualified standard and then enters the finished product warehouse.
It achieves a small footprint, a simple production line, improved shaping effect, avoids over-crushing, and increases the yield of finished products.
Smart Images
Figure CN224142406U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of lithium battery anode material preparation technology, specifically to a spherical graphite shaping device. Background Technology
[0002] Spherical graphite materials possess excellent electrical conductivity, high crystallinity, low cost, high theoretical lithium intercalation capacity, and low and flat charge / discharge potential, making them an important component of lithium-ion battery anode materials. Current spherical graphite processing technologies require shaping the raw graphite to meet application requirements. However, existing shaping machines often employ a series structure of multiple vertical airflow vortex micronizers, resulting in drawbacks such as excessive floor space and excessively long production lines. Utility Model Content
[0003] In order to effectively overcome the problems existing in the prior art, the main purpose of this application is to provide a spherical graphite shaping device with a small footprint and a simple production line.
[0004] To achieve the above objectives, this application specifically adopts the following technical solution:
[0005] This application provides a spherical graphite shaping device, the spherical graphite shaping device comprising:
[0006] A shaping machine, wherein the shaping machine is provided with a feeding end and a discharging end;
[0007] A negative pressure feeding mechanism, which is connected to the feed end;
[0008] A grading mechanism, which is connected to the discharge end;
[0009] A three-way valve, wherein the first port of the three-way valve is used to receive the material output from the discharge port of the grading mechanism, and the second port of the three-way valve is connected to the negative pressure feeding mechanism;
[0010] Finished product storage compartment, which is located below the third port of the three-way valve;
[0011] A dust removal mechanism is provided, which is connected to the grading mechanism, and the discharge port of the dust removal mechanism is connected to the negative pressure feeding mechanism.
[0012] In some embodiments, the shaping machine includes a mounting base, a first motor, a housing, a shaping component, and a fan. The first motor and the housing are respectively mounted on the mounting base. The shaping component and the fan are respectively mounted inside the housing and connected to the first motor. The fan is located inside the housing near the discharge end. The first motor is used to drive the shaping component and the fan to rotate inside the housing.
[0013] In some embodiments, the shaping assembly includes a rotating shaft, a square blade assembly, a conical blade assembly, a spur gear ring, and a conical gear ring, wherein the rotating shaft passes through the housing and is connected to the first motor;
[0014] The square blade assembly and the conical blade assembly are respectively disposed within the housing and connected to the rotating shaft, and the square blade assembly and the conical blade assembly are staggered along the axial direction of the rotating shaft. The spur gear ring and the conical gear ring are respectively disposed on the inner wall of the housing and staggered along the axial direction of the rotating shaft. The position of the spur gear ring corresponds to the position of the square blade assembly, and the position of the conical gear ring corresponds to the position of the conical blade assembly.
[0015] In some embodiments, the shaping machine further includes a first coupling, through which the first motor is connected to the rotating shaft.
[0016] In some embodiments, the shaping machine further includes a first bearing housing. The mounting base includes a base, a motor support, and a bearing support. The motor support and the bearing support are respectively disposed on the base. The first motor is mounted on the motor support, and the first bearing housing is mounted on the bearing support. The rotating shaft is rotatably connected to the first bearing housing.
[0017] In some embodiments, the negative pressure feeding mechanism includes a negative pressure feeding hopper, a first fan, and a first shut-off fan. The bottom of the negative pressure feeding hopper is provided with a discharge port, and the side of the negative pressure feeding hopper is provided with a feeding port and a return port. The return port is connected to the second port of the three-way valve and the discharge port of the dust removal mechanism. The first fan is connected to the negative pressure feeding hopper, and the first shut-off fan is located at the discharge port.
[0018] In some embodiments, the negative pressure feeding hopper includes a first outer shell, a first filter cartridge, and a first pulse backflushing assembly. The first outer shell is provided with a clean air section, a dust air section, and a ash hopper section from top to bottom. The clean air section is connected to the first fan. The dust air section is provided with the feeding port. The ash hopper section is provided with the return port and the discharge port.
[0019] The first pulse backflushing assembly is connected to the clean air section, and the first filter cartridge is disposed in the dust and gas section.
[0020] In some embodiments, the grading mechanism includes a second housing, a grading component, and a second airlock. The second housing has a first feed inlet on its side, which is connected to the discharge end. The second housing has a discharge port at its bottom, and the second airlock is located at the discharge port. The grading component is connected to the second housing and is at least partially located inside the second housing.
[0021] In some embodiments, the dust removal mechanism includes a dust collector, a second fan, and a third shut-off fan. The bottom of the dust collector is provided with the discharge port, and the side of the dust collector is provided with a second feed port. The second feed port is connected to the grading mechanism, the second fan is connected to the dust collector, and the third shut-off fan is disposed at the discharge port.
[0022] In some embodiments, the dust collector includes a third housing, a second filter cartridge, and a second pulse backflushing assembly. The third housing is provided with a clean air chamber, a dust chamber, and a ash hopper chamber from top to bottom. The clean air chamber is connected to the second fan, and the ash hopper chamber is provided with the discharge port and the second inlet.
[0023] The second pulse backflushing assembly is connected to the clean air chamber, and the second filter cartridge is disposed in the dust air chamber.
[0024] The spherical graphite shaping device of this application includes a shaping machine, a negative pressure feeding mechanism, a grading mechanism, a three-way valve, a finished product bin, and a dust removal mechanism. The shaping machine has a feeding end and a discharging end. The negative pressure feeding mechanism is connected to the feeding end, and the grading mechanism is connected to the discharging end. The first port of the three-way valve is used to receive the material output from the discharge port of the grading mechanism, and the second port of the three-way valve is connected to the negative pressure feeding mechanism. The finished product bin is located below the third port of the three-way valve. The dust removal mechanism is connected to the grading mechanism, and the discharge port of the dust removal mechanism is connected to the negative pressure feeding mechanism. Compared with the prior art, this application sets a negative pressure feeding mechanism at the feeding end of the shaping machine and sets a circulating return channel at the discharging positions of the three-way valve and the dust removal mechanism, so that the material can return to the negative pressure feeding mechanism through the circulating return channel under the action of negative pressure. This achieves repeated circulating shaping of graphite in the shaping machine, solving the problems of multiple devices connected in series, large footprint, and complex production lines. Attached Figure Description
[0025] Figure 1 This is a schematic diagram of the spherical graphite shaping device provided in an embodiment of this application.
[0026] Figure 2 This is a schematic diagram of the negative pressure feeding hopper provided in an embodiment of this application.
[0027] Figure 3 This is a top view of the shaping machine provided in an embodiment of this application.
[0028] Figure 4 This is a schematic diagram of the structure of the shaping machine provided in the embodiments of this application.
[0029] Figure 5 This is a schematic diagram of the square blade assembly provided in an embodiment of this application.
[0030] Figure 6 This is a schematic diagram of the square blade assembly provided in an embodiment of this application from another perspective.
[0031] Figure 7 This is a schematic diagram of the spur gear ring provided in an embodiment of this application.
[0032] Figure 8 This is a schematic diagram of the conical cutter assembly provided in an embodiment of this application.
[0033] Figure 9 This is a schematic diagram of the conical cutter assembly provided in an embodiment of this application from another perspective.
[0034] Figure 10 This is a schematic diagram of the structure of the bevel gear ring provided in an embodiment of this application.
[0035] Figure 11 This is a schematic diagram of the structure of the second cutter head provided in an embodiment of this application.
[0036] Figure 12 This is a schematic diagram of the fan structure provided in an embodiment of this application.
[0037] Figure 13 This is a schematic diagram of the grading mechanism provided in an embodiment of this application.
[0038] Figure 14 This is a schematic diagram of the structure of a dust collector provided in an embodiment of this application.
[0039] Attached image labels:
[0040] 1. Negative pressure feeding mechanism; 11. Negative pressure feeding hopper; 111. First outer shell; 111a. Clean air section; 111b. Dust and gas section; 111c. Ash hopper section; 111d. Feeding port; 111e. Return port; 111f. Discharge port; 111g. First clean air outlet; 112. First filter cartridge; 113. First pulse backflushing assembly; 114. First tube sheet; 12. First fan; 13. First air shut-off fan; 14. Automatic butterfly valve; 2. Shaping machine; 21. Mounting base; 211 211. Base; 212. Motor support; 213. Bearing support; 22. First motor; 23. Housing; 24. Shaping assembly; 241. Rotating shaft; 242. Square blade assembly; 242a. First cutter head; 242b. Hammer cutter; 243. Conical cutter assembly; 243a. Second cutter head; 243b. Conical cutter; 243c. First bushing; 243d. Mounting part; 243e. First reinforcing rib; 244. Straight gear ring; 245. Conical gear ring; 25. Fan; 251. Second bushing; 2 52. Fan blade; 253. Second reinforcing rib; 26. First coupling; 27. First bearing housing; 3. Grading mechanism; 31. Second outer casing; 311. Top cover; 312. Casing section; 313. Conical section; 313a. First feed inlet; 313b. Discharge port; 32. Grading assembly; 321. Second motor; 322. Second bearing housing; 322a. Outlet; 323. Grading wheel; 324. Second coupling; 325. Main shaft; 33. Second airlock; 4. Finished product bin 5. Three-way valve; 6. Dust removal mechanism; 61. Dust collector; 611. Third outer casing; 611a. Clean air chamber; 611b. Dust chamber; 611c. Ash hopper chamber; 611d. Discharge port; 611e. Second feed inlet; 611f. Second clean air outlet; 612. Second filter cartridge; 613. Second pulse backflushing assembly; 614. Second tube sheet; 62. Second fan; 63. Third shut-off fan; 7. First pipeline; 8. Second pipeline; 9. Third pipeline; 10. Fourth pipeline. Detailed Implementation
[0041] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.
[0042] In the description of this application, unless otherwise expressly specified and limited, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; unless otherwise specified or explained, the term "multiple" refers to two or more; the terms "connected," "fixed," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, an integral connection, or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0043] In the description of this specification, it should be understood that the directional terms such as "upper" and "lower" used in the embodiments of this application are used to describe the angles shown in the accompanying drawings and should not be construed as limiting the embodiments of this application. Furthermore, in the context, it should also be understood that when it is mentioned that an element is connected "upper" or "lower" to another element, it can be directly connected to the other element "upper" or "lower," or indirectly connected to the other element "upper" or "lower" through an intermediate element.
[0044] Spherical graphite is produced from natural flake graphite using advanced processing equipment to modify the graphite surface, resulting in graphite products of varying fineness and resembling ellipsoidal shapes. Spherical graphite materials possess excellent electrical conductivity, high crystallinity, low cost, high theoretical lithium intercalation capacity, and low and flat charge / discharge potential, making them an important component of lithium-ion battery anode materials. Current spherical graphite processing technologies require shaping the raw graphite to meet application requirements. However, existing shaping machines often employ a series structure of multiple vertical airflow vortex micro-pulverizers, resulting in excessive floor space and long production lines. While some horizontal shaping machines exist, their smaller chamber volume and lower material concentration hinder capacity increases. Some experts have attempted to increase the material concentration within the chamber by increasing the drive motor power, but this has been found to drastically increase over-grinding, significantly reducing the finished product yield.
[0045] Reference Figure 1As shown, an embodiment of this application discloses a spherical graphite shaping device, which includes a negative pressure feeding mechanism 1, a shaping machine 2, a grading mechanism 3, a finished product bin 4, a three-way valve 5, and a dust removal mechanism 6. The negative pressure feeding mechanism 1 is connected to the feed end of the shaping machine 2 and is used to input material into the shaping machine 2 for shaping. The grading mechanism 3 is connected to the discharge end of the shaping machine 2 and is used to grade the material output after shaping by the shaping machine 2. The first port K1 of the three-way valve 5 is connected below the discharge port of the grading mechanism 3 and is used to receive the material output from the discharge port of the grading mechanism 3. The second port K2 of the three-way valve 5 is connected to the negative pressure feeding mechanism 1. The finished product bin 4 is connected below the third port K3 of the three-way valve 5 and is used to receive the material output from the third port K3 of the three-way valve 5. The dust removal mechanism 6 is connected to the grading mechanism 3, and the discharge port of the dust removal mechanism 6 is connected to the negative pressure feeding mechanism 1.
[0046] In some embodiments, the grading mechanism 3 can be connected to the discharge end of the shaping machine 2 via the first pipe 7, and the dust removal mechanism 6 can be connected to the grading mechanism 3 via the second pipe 8. The second port K2 of the three-way valve 5 can be connected to the negative pressure feeding mechanism 1 via the third pipe 9, and the discharge port of the dust removal mechanism 6 can be connected to the third pipe 9 via the fourth pipe 10, thereby realizing the connection between the discharge port of the dust removal mechanism 6 and the negative pressure feeding mechanism 1.
[0047] When shaping graphite, the second port K2 of the three-way valve 5 can be opened and the third port K3 of the three-way valve 5 can be closed, so that the graphite raw material is fed from the negative pressure feeding mechanism 1 and then flows into the shaping machine 2. The shaping machine 2 shapes the graphite raw material, and the shaped graphite flows into the grading mechanism 3. The grading mechanism 3 grades the graphite, so that the graded coarse graphite flows back to the negative pressure feeding mechanism 1 through the discharge port of the grading mechanism 3 and the second port K2 of the three-way valve 5. The graded fine graphite flows into the dust removal mechanism 6 and then flows back to the negative pressure feeding mechanism 1 through the discharge port of the dust removal mechanism 6. The coarse and fine graphite that flow back to the negative pressure feeding mechanism 1 then flow back into the shaping machine 2 to continue to participate in the shaping. After the shaping is completed, the second port K2 of the three-way valve 5 is closed and the third port K3 of the three-way valve 5 is opened, so that the finished product flows into the finished product silo 4.
[0048] This application incorporates a negative pressure feeding mechanism 1 at the feed end of the shaping machine 2, and a circulating return channel at the discharge positions such as the three-way valve 5 and the dust removal mechanism 6. This allows the material to return to the negative pressure feeding mechanism 1 under negative pressure, enabling repeated cyclic shaping of graphite within the shaping machine 2. The process continues until the graphite's tap density, particle size distribution, and other indicators meet the required standards. Then, the second port K2 of the three-way valve 5 is closed, and the third port K3 is opened, allowing the qualified graphite to enter the finished product silo 4. Compared to related technologies, this application, through the design of the circulating return channel, achieves repeated cyclic shaping of graphite within the shaping machine 2, solving problems such as the large footprint and complex production line resulting from multiple connected devices.
[0049] Continue to refer to Figure 1 As shown, the negative pressure feeding mechanism 1 includes a negative pressure feeding hopper 11, a first blower 12, a first shut-off blower 13, and an automatic butterfly valve 14. The first blower 12 is connected to the negative pressure feeding hopper 11 to create a negative pressure environment within the hopper, facilitating the reflux of graphite. The negative pressure feeding hopper 11 can be connected to the feeding mechanism via a feeding pipe, and the automatic butterfly valve 14 can be installed on the feeding pipe. The first shut-off blower 13 is located at the outlet of the negative pressure feeding hopper 11 to stably output the material from the hopper.
[0050] Reference Figure 2 As shown, the negative pressure feeding hopper 11 includes a first outer shell 111, a first perforated plate 114, a first filter cartridge 112, and a first pulse backflushing assembly 113. The first outer shell 111 is provided with a clean air section 111a, a dust-laden air section 111b, and a dust hopper section 111c from top to bottom. The clean air section 111a has a first clean air outlet 111g, which is connected to a first fan 12. The dust-laden air section 111b has a feed inlet 111d, which can be connected to a feeding mechanism via a feeding pipe, allowing graphite to enter the negative pressure feeding hopper 11 through the feed inlet 111d. The ash hopper 111c has a return port 111e on its side. The return port 111e can be connected to the second port K2 of the three-way valve 5 via the third pipe 9. The return port 111e can also be connected to the discharge port of the dust removal mechanism 6 via the third pipe 9 and the fourth pipe 10, thereby realizing the connection between the negative pressure feed hopper 11, the second port K2 of the three-way valve 5, and the discharge port of the dust removal mechanism 6. The bottom of the ash hopper 111c has a discharge port 111f. The first tube sheet 114 can be connected to the first outer shell 111 by welding. Multiple first filter cartridges 112 can be provided, and multiple first filter cartridges 112 are respectively installed on the first tube sheet 114 and located in the dust and gas section 111b. The first pulse backflushing assembly 113 is connected to the clean air section 111a.
[0051] In some embodiments, the clean air section 111a, the dust air section 111b, and the ash hopper section 111c can be connected together by welding or screwing.
[0052] Reference Figure 3 As shown, the shaping machine 2 includes a mounting base 21, a first motor 22, a housing 23, a shaping assembly 24, and a fan 25. Figure 4 As shown in the diagram, the first motor 22 and the housing 23 are respectively mounted on the mounting base 21, and the housing 23 has a feed end and a discharge end. The shaping assembly 24 is installed inside the housing 23 and connected to the first motor 22, so that the first motor 22 can drive the shaping assembly 24 to rotate inside the housing 23. The fan 25 is disposed inside the housing 23 near the discharge end, and the fan 25 is connected to the first motor 22.
[0053] In some embodiments, housing 23 may be formed by bolting together a rear housing and a front housing.
[0054] Reference Figure 4 As shown, the shaping machine 2 also includes a first coupling 26. The shaping assembly 24 includes a rotating shaft 241, a square blade assembly 242, a conical blade assembly 243, a spur gear ring 244, and a conical gear ring 245. The rotating shaft 241 passes through the housing 23 and is connected to the first motor 22 through the first coupling 26. The square blade assembly 242 and the conical blade assembly 243 are respectively disposed inside the housing 23 and connected to the rotating shaft 241. The square blade assembly 242 and the conical blade assembly 243 are staggered along the axial direction of the rotating shaft 241. The spur gear ring 244 and the conical gear ring 245 are respectively disposed on the inner wall of the housing 23 and staggered along the axial direction of the rotating shaft 241. The position of the spur gear ring 244 corresponds to the position of the square blade assembly 242, and the position of the conical gear ring 245 corresponds to the position of the conical blade assembly 243.
[0055] In this embodiment, the first motor 22 is connected to the rotating shaft 241 via the first coupling 26. Of course, in other embodiments, the first motor 22 can also be connected to the rotating shaft 241 via belt drive.
[0056] Continue to refer to Figure 4 As shown, the shaping machine 2 also includes a first bearing housing 27. The mounting base 21 includes a base 211, a motor support 212, and a bearing support 213. The motor support 212, bearing support 213, and housing 23 can be mounted on the base 211 using screws and locating pins. The first motor 22 can be mounted on the motor support 212 using bolts. The first bearing housing 27 can be mounted on the bearing support 213 using screws and locating pins. The rotating shaft 241 passes through the housing 23, and both ends of the rotating shaft 241 are respectively mounted on bearings inside the first bearing housing 27, so that the rotating shaft 241 is rotatably connected to the first bearing housing 27.
[0057] In some embodiments, the two ends of the rotating shaft 241 are clearance-fitted with the housing 23, and the clearance between the rotating shaft 241 and the housing 23 is not less than 2 mm. The distance between the first bearing seat 27 and the housing 23 is not less than 5 mm. The square blade assembly 242, the conical blade assembly 243 and the fan 25 can be mounted on the rotating shaft 241 by means of flat keys and fastening screws.
[0058] Reference Figures 5 to 7 As shown, the square cutter assembly 242 includes a first cutter head 242a and hammer cutters 242b. Multiple hammer cutters 242b can be provided, each connected to the first cutter head 242a, and spaced apart circumferentially along the first cutter head 242a. The spur gear ring 244 has a structure that matches the structure of the hammer cutters 242b.
[0059] Reference Figures 8 to 10 As shown, the conical cutter assembly 243 includes a second cutter head 243a and conical cutters 243b. Multiple conical cutters 243b can be provided, each connected to the second cutter head 243a, and spaced apart circumferentially along the second cutter head 243a. The structure of the bevel gear ring 245 matches the structure of the conical cutters 243b. The α angle of the conical cutter 243b is greater than or equal to 15°.
[0060] Reference Figure 11 As shown, the second cutter head 243a includes a first bushing 243c, a mounting portion 243d, and a first reinforcing rib 243e. The first bushing 243c can be sleeved on the rotating shaft 241. The mounting portion 243d is connected to the first bushing 243c, and the conical cutter 243b is mounted on the mounting portion 243d. The first reinforcing rib 243e is connected to the first bushing 243c. The structure of the first cutter head 242a is the same as that of the second cutter head 243a, and will not be described in detail here.
[0061] In some embodiments, the shaping component 24 may also include a rotating shaft 241, a square blade assembly 242, and a spur gear ring 244, with the square blade assembly 242 connected to the rotating shaft 241 and the spur gear ring 244 disposed on the inner wall of the housing 23; or, the shaping component 24 may also include a rotating shaft 241, a conical blade assembly 243, and a conical gear ring 245, with the conical blade assembly 243 connected to the rotating shaft 241 and the conical gear ring 245 disposed on the inner wall of the housing 23.
[0062] Reference Figure 12 As shown, the fan 25 includes a second bushing 251, fan blades 252, and a second reinforcing rib 253. The second bushing 251 can be fitted onto the rotating shaft 241. Multiple fan blades 252 can be provided, each connected to the second bushing 251, and the multiple fan blades 252 are distributed at intervals along the circumference of the second bushing 251. The second reinforcing rib 253 is connected to the second bushing 251.
[0063] Reference Figure 13As shown, the grading mechanism 3 includes a second housing 31, a grading component 32, and a second airlock fan 33. The second housing 31 has a first feed inlet 313a on its side, which can be connected to the discharge end of the shaping machine 2 via a first pipe 7. The second housing 31 has a discharge port 313b at its bottom, and the second airlock fan 33 is located at the discharge port 313b to ensure a stable output of material from the grading mechanism 3. The first port K1 of the three-way valve 5 can be connected below the second airlock fan 33. The grading component 32 is connected to the second housing 31 and is at least partially located within the second housing 31, used to grade the graphite flowing into the second housing 23.
[0064] Continue to refer to Figure 13 As shown, the second outer casing 31 includes a top cover 311, a housing portion 312, and a conical portion 313, which can be connected together by welding. The grading assembly 32 includes a second motor 321, a second bearing housing 322, a grading wheel 323, a main shaft 325, and a second coupling 324. The second bearing housing 322 can be installed on the top cover 311 by welding or threaded connection, and the second bearing housing 322 has an outlet 322a communicating with the inside of the second outer casing 31. The outlet 322a can be connected to the second feed port of the dust removal mechanism 6 through a second pipe 8. The second motor 321 is mounted on the second bearing housing 322, and the main shaft 325 is rotatably mounted inside the second bearing housing 322, and the main shaft 325 is connected to the second motor 321 through the second coupling 324. The grading wheel 323 is mounted on the main shaft 325 and located inside the second outer casing 31.
[0065] Reference Figure 14 As shown, the dust removal mechanism 6 includes a dust collector 61, a second fan 62, and a third shut-off fan 63. The dust collector 61 has a discharge port 611d at its bottom and a second feed port 611e on its side. The second feed port 611e can be connected to the outlet 322a through a second pipe 8. The second fan 62 is connected to the dust collector 61, and the third shut-off fan 63 is located at the discharge port 611d to ensure a stable output of material from the dust removal mechanism 6.
[0066] Continue to refer to Figure 14As shown, the dust collector 61 includes a third outer shell 611, a second filter cartridge 612, a second tube sheet 614, and a second pulse back-flushing assembly 613. The third outer shell 611, from top to bottom, has a clean air chamber 611a, a dust chamber 611b, and a dust hopper chamber 611c. The clean air chamber 611a has a second clean air outlet 611f, which is connected to a second fan 62. The dust hopper chamber 611c has a second feed inlet 611e on its side and a discharge outlet 611d at its bottom. The second tube sheet 614 can be welded to the third outer shell 611. Multiple second filter cartridges 612 can be provided, each installed on the second tube sheet 614 and located within the dust chamber 611b. The second pulse back-flushing assembly 613 is connected to the clean air chamber 611a.
[0067] In this embodiment, the dust collector 61 can be a bag filter 61. Of course, in other embodiments, the dust collector 61 can also be other types of dust collectors 61 or combined dust collectors 61.
[0068] When shaping graphite raw materials, the automatic butterfly valve 14 is opened, allowing a certain amount of raw material (graphite) to be drawn into the negative pressure feed hopper 11 under the negative pressure and suction generated by the negative pressure feeding mechanism 1. After the feeding is completed, the automatic butterfly valve 14 is closed, and the first shut-off fan 13 is started to evenly feed the graphite into the shaping machine 2. The graphite is subjected to strong collisions with the square blade group 242 and conical blade group 243 of the shaping machine 2, and under the action of centrifugal force, it is thrown towards the straight tooth ring 244 or conical tooth ring 245. After multiple collisions and frictions between the graphite and the straight tooth ring 244 or conical tooth ring 245, the graphite reaches the end of the inner cavity of the shaping machine 2. Under the combined action of the negative pressure and suction generated by the fan 25 and the second fan 62 at the end of the unit, the graphite enters the grading mechanism 3. After grading, the fine powder enters the dust collector 61, and the coarse powder settles to the bottom of the grading mechanism 3 and is discharged from the grading mechanism 3 by the second shut-off fan 33, entering the three-way valve 5. At this time, the second port K2 of the three-way valve 5 is opened and the third port K3 of the three-way valve 5 is closed. Graphite enters the third pipeline 9. Under the negative pressure and suction generated by the negative pressure feeding mechanism 1, the coarse powder returns to the negative pressure feeding hopper 11 for re-feeding and circulation. The fine powder entering the dust collector 61 settles to the bottom and is discharged from the dust collector 61 through the third blower 63 and enters the fourth pipeline 10. Similarly, under the negative pressure and suction generated by the negative pressure feeding mechanism 1, the fine powder returns to the negative pressure feeding hopper 11 for re-feeding and circulation. After repeated circulation and shaping for a predetermined time, the second port K2 of the three-way valve 5 is closed and the third port K3 of the three-way valve 5 is opened. The coarse powder enters the finished product hopper 4 for finished product collection.
[0069] This application can use a single motor to drive multiple series-connected square knife groups 242 and conical knife groups 243 to rotate through a coupling, so as to achieve the shaping of graphite. It has the advantages of simple production line, small footprint, good shaping effect and long service life.
[0070] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. A spherical graphite shaping device characterized by comprising: include: A shaping machine, wherein the shaping machine is provided with a feeding end and a discharging end; A negative pressure feeding mechanism, which is connected to the feed end; A grading mechanism, which is connected to the discharge end; A three-way valve, wherein the first port of the three-way valve is used to receive the material output from the discharge port of the grading mechanism, and the second port of the three-way valve is connected to the negative pressure feeding mechanism; A finished product storage bin, wherein the finished product storage bin is located below the third port of the three-way valve; and A dust removal mechanism is provided, which is connected to the grading mechanism, and the discharge port of the dust removal mechanism is connected to the negative pressure feeding mechanism.
2. The spherical graphite shaping device according to claim 1, characterized by The shaping machine includes a mounting base, a first motor, a housing, a shaping component, and a fan. The first motor and the housing are respectively mounted on the mounting base. The shaping component and the fan are respectively mounted inside the housing and connected to the first motor. The fan is located inside the housing near the discharge end. The first motor is used to drive the shaping component and the fan to rotate inside the housing.
3. The spherical graphite shaping device according to claim 2, characterized in that, The shaping assembly includes a rotating shaft, a square blade assembly, a conical blade assembly, a spur gear ring, and a conical gear ring. The rotating shaft passes through the housing and is connected to the first motor. The square blade assembly and the conical blade assembly are respectively disposed within the housing and connected to the rotating shaft, and the square blade assembly and the conical blade assembly are staggered along the axial direction of the rotating shaft. The spur gear ring and the conical gear ring are respectively disposed on the inner wall of the housing and staggered along the axial direction of the rotating shaft. The position of the spur gear ring corresponds to the position of the square blade assembly, and the position of the conical gear ring corresponds to the position of the conical blade assembly.
4. The spherical graphite shaping device according to claim 3, characterized in that The shaping machine also includes a first coupling, through which the first motor is connected to the rotating shaft.
5. The spherical graphite shaping device of claim 3, wherein The shaping machine also includes a first bearing seat. The mounting base includes a base, a motor support, and a bearing support. The motor support and the bearing support are respectively disposed on the base. The first motor is mounted on the motor support, and the first bearing seat is mounted on the bearing support. The rotating shaft is rotatably connected to the first bearing seat.
6. The spherical graphite shaping apparatus according to claim 1, wherein The negative pressure feeding mechanism includes a negative pressure feeding hopper, a first fan, and a first shut-off fan. The bottom of the negative pressure feeding hopper is provided with a discharge port, and the side of the negative pressure feeding hopper is provided with a feeding port and a return port. The return port is connected to the second port of the three-way valve and the discharge port of the dust removal mechanism. The first fan is connected to the negative pressure feeding hopper, and the first shut-off fan is located at the discharge port.
7. The spherical graphite shaping device of claim 6, wherein The negative pressure feeding hopper includes a first outer shell, a first filter cartridge, and a first pulse backflushing assembly. The first outer shell is provided with a clean air section, a dust air section, and a ash hopper section from top to bottom. The clean air section is connected to the first fan. The dust air section is provided with the feeding port. The ash hopper section is provided with the return port and the discharge port. The first pulse backflushing assembly is connected to the clean air section, and the first filter cartridge is disposed in the dust and gas section.
8. The spherical graphite shaping apparatus according to claim 6, wherein The grading mechanism includes a second housing, a grading component, and a second airlock. The second housing has a first feed inlet on its side, which is connected to the discharge end. The second housing has a discharge port at its bottom, and the second airlock is located at the discharge port. The grading component is connected to the second housing and is at least partially located inside the second housing.
9. The spherical graphite shaping device according to claim 6, characterized in that, The dust removal mechanism includes a dust collector, a second fan, and a third shut-off fan. The bottom of the dust collector is provided with the discharge port, and the side of the dust collector is provided with a second inlet. The second inlet is connected to the grading mechanism. The second fan is connected to the dust collector, and the third shut-off fan is located at the discharge port.
10. The spherical graphite shaping apparatus according to claim 9, wherein The dust collector includes a third outer shell, a second filter cartridge, and a second pulse back-flushing assembly. The third outer shell is provided with a clean air chamber, a dust chamber, and a ash hopper chamber from top to bottom. The clean air chamber is connected to the second fan, and the ash hopper chamber is provided with the discharge port and the second inlet. The second pulse backflushing assembly is connected to the clean air chamber, and the second filter cartridge is disposed in the dust air chamber.