A material processing apparatus

Abstract

This application discloses a material processing device belonging to the field of mechanical grinding. The material processing device includes a first housing and a tool assembly. The first housing has a processing chamber for accommodating the material to be processed. The tool assembly includes a rotating component and multiple sets of tools. The axis of the rotating component extends vertically and is at least partially rotatably mounted within the processing chamber. The multiple sets of tools are arranged vertically within the processing chamber. Each set of tools includes multiple tools spaced circumferentially along the rotating component, and each set of tools is mounted on the rotating component to rotate with it. The inner wall of the processing chamber includes a first sidewall surrounding the multiple sets of tools. The distance between each set of tools and the first sidewall increases sequentially in the vertically upward direction. The material processing device of this application has the advantages of good shearing, shaping, and grinding effects.

Description

Technical Field

[0001] This application belongs to the field of mechanical grinding technology, and in particular relates to a material processing equipment. Background Technology

[0002] As the development of the new energy industry gradually becomes a global consensus, the market demand for lithium-ion batteries is experiencing explosive growth. As one of the four main materials for lithium-ion batteries, the anode material plays a crucial role in battery performance. Commercially available anode materials are primarily graphite.

[0003] In related technologies, the graphite raw materials required for preparing anode materials typically need to be ground using material processing equipment. However, the grinding capability of such equipment is relatively poor.

[0004] Therefore, existing technologies need to be improved and enhanced. Summary of the Invention

[0005] This application provides a material processing device that can improve the grinding effect of the material to be processed.

[0006] This application provides a material processing device, including:

[0007] A first housing, the first housing having a processing chamber for receiving the material to be processed; and

[0008] A tool assembly includes a rotating component and multiple sets of tools. The axis of the rotating component extends vertically and is at least partially rotatably mounted in the machining chamber. The multiple sets of tools are arranged vertically in the machining chamber. Each set of tools includes multiple tools spaced circumferentially along the rotating component. Each set of tools is mounted on the rotating component to rotate with the rotating component.

[0009] The inner wall of the processing chamber includes a first sidewall, which surrounds a plurality of the cutting tools.

[0010] Along the vertically upward direction, the distance between each set of cutting tools and the first sidewall increases sequentially.

[0011] Optionally, the first sidewall is inclined outward in the vertically upward direction, and the outer diameter of each group of tools increases sequentially.

[0012] Optionally, the multiple sets of cutting tools include a first set of cutting tools, a second set of cutting tools, and a third set of cutting tools arranged sequentially in a vertically upward direction. The second set of cutting tools is adjacent to the first set of cutting tools and the third set of cutting tools, respectively. The horizontal distance between the first set of cutting tools and the first sidewall is 85-95 mm, the horizontal distance between the second set of cutting tools and the first sidewall is 145-155 mm, and the horizontal distance between the third set of cutting tools and the first sidewall is 190-200 mm.

[0013] The vertical spacing between two adjacent sets of the aforementioned cutters is 145-150 mm;

[0014] The width of the cutting tool is between 48 and 52 millimeters, wherein the width of the cutting tool is the dimension of the cutting tool in the vertical direction.

[0015] Optionally, the tool assembly further includes a tool fixing mechanism, which includes:

[0016] Multiple annular connectors are arranged circumferentially around the rotating component, and each annular connector is fixedly connected to at least a portion of the cutting tools in one set of cutting tools at an end away from the rotating component; and

[0017] Multiple vertical connectors extend along the vertical direction and are arranged at intervals along the circumference of the rotating component. Each vertical connector is connected and fixed to at least a portion of the annular connectors.

[0018] Optionally, the material processing equipment further includes a material blocking component, the material blocking component comprising:

[0019] The mounting part is located on the upper side of the plurality of cutters in the vertical direction and is fixedly connected to the first housing;

[0020] Multiple connecting ribs are arranged at circumferential intervals along the first sidewall. One end of each connecting rib is fixedly connected to the mounting portion, and the other end of each connecting rib extends along the first sidewall towards the tool.

[0021] A blocking rib is provided around the rotating component. The blocking rib is located between the cutting tool and the mounting part and is connected to the end of the connecting rib away from the mounting part. The inner diameter of the blocking rib is larger than the maximum outer diameter of the plurality of cutting tools. There is a gap between the blocking rib and the first sidewall.

[0022] Optionally, the material processing equipment may also include:

[0023] A pulverizing disc, comprising a disc body and a plurality of first grinding blocks, wherein the disc body is disposed below the cutter in the vertical direction to receive the material to be processed fed into the processing chamber, the disc body is sleeved on the rotating component to rotate with the rotating component, and the plurality of first grinding blocks are circumferentially spaced around the rotating component, each first grinding block being disposed on the side of the disc body facing the cutter, for pulverizing the material to be processed carried by the disc body as it rotates; and

[0024] Multiple protrusions are mounted on the first sidewall and are arranged around the outer periphery of the rotating component and located on the outer periphery of the first grinding block.

[0025] Optionally, the protrusion includes an inner side facing the rotating component, and the first grinding block includes an outer side facing away from the rotating component, and each of the first grinding blocks is capable of rotating its outer side to be parallel to the inner side of any of the protrusions;

[0026] The grinding disc also includes a plurality of second grinding blocks, which are arranged circumferentially around the rotating component and located on the inner circumferential side of the plurality of first grinding blocks. The second grinding blocks and the first grinding blocks are arranged alternately and at intervals along the circumference of the rotating component.

[0027] Optionally, the first housing is further provided with a first air inlet and a first air outlet, the first air inlet being connected to the bottom of the processing chamber in the vertical direction, and the first air outlet being connected to the top of the processing chamber in the vertical direction.

[0028] The material processing equipment further includes a first suction device, which is connected to a first air outlet to drive the air in the processing chamber to be discharged from the first air outlet.

[0029] Optionally, the first suction device includes:

[0030] The second housing is provided with an air outlet channel, which is connected to the first air outlet.

[0031] A fan, installed in the second housing, drives the air in the processing chamber to pass sequentially through the first air outlet and the air outlet channel before being discharged; and

[0032] A material return assembly is installed in the second housing. The material return assembly is used to collect the material to be processed that enters the air outlet channel from the first air outlet and send it into the processing chamber.

[0033] Optionally, a coolant chamber is provided on the outer side of the first housing, the coolant chamber being used to contain coolant for heat dissipation from the processing chamber.

[0034] In this embodiment, during the rotation of the rotating component, multiple sets of cutting tools rotate synchronously with the rotating component, jointly shearing, shaping, and grinding the material to be processed within the processing chamber. Furthermore, by sequentially increasing the distance between each set of cutting tools and the first sidewall in the vertical upward direction, the gap formed between the cutting tools and the first sidewall is more conducive to the flow of the material to be processed, at least in the vertical direction, preventing it from being blocked by the upper rotating cutting tools. Therefore, the material processing equipment of this embodiment can provide a more uniform and comprehensive grinding effect. Attached Figure Description

[0035] The technical solution and its beneficial effects will become apparent from the following detailed description of specific embodiments of this application, in conjunction with the accompanying drawings.

[0036] Figure 1 This is a schematic diagram of a material processing equipment provided in an embodiment of this application.

[0037] Figure 2 for Figure 1 The material processing equipment shown is a cross-sectional view.

[0038] Figure 3 for Figure 2 A magnified view of the area at point X in the image.

[0039] Figure 4 for Figure 2 The diagram shows the structure of the cutting tool assembly and crushing disc of the material processing equipment.

[0040] Figure 5 for Figure 2 A magnified view of the area at point Y.

[0041] Figure 6 for Figure 2 The diagram shows the structure of the material processing equipment after part of the first shell has been removed.

[0042] Figure 7 for Figure 4 The diagram shows the structure of the crushing disc and the protrusion.

[0043] Figure 8 for Figure 2 A magnified view of the Z-axis.

[0044] Figure 9 This is another structural schematic diagram of the material processing equipment provided in the embodiments of this application.

[0045] Figure 10 for Figure 9 The material processing equipment shown is a cross-sectional view.

[0046] Figure 11 for Figure 10A magnified view of point P in the image.

[0047] Figure 12 for Figure 9 The diagram shows the structure of the air-cooled heat dissipation component of the material processing equipment.

[0048] The labels in the diagram are as follows:

[0049] 100. First shell;

[0050] 11. Processing chamber; 12. First side wall; 13. Protrusion; 131. Inner side; 14. Discharge port; 15. First air inlet; 16. First air outlet; 17. Feed inlet;

[0051] 200. Tool assembly;

[0052] 21. Rotating component; 211. Rotating shaft; 212. Sleeve; 22. Cutting tool; 221. First group of cutting tools; 222. Second group of cutting tools; 223. Third group of cutting tools; 23. Cutting tool fixing mechanism; 231. Annular connecting piece; 232. Vertical connecting piece;

[0053] 300. Material blocking components;

[0054] 31. Retaining rib; 32. Mounting part; 33. Connecting rib;

[0055] 400. Crushing disc;

[0056] 41. Disc body; 411. Gap vent; 42. First grinding block; 421. Outer side; 422. First grinding plate; 423. First mounting plate; 43. Second grinding block; 431. Second grinding plate; 432. Second mounting plate;

[0057] 500. Air-cooled heat dissipation components;

[0058] 51. Second housing; 511. Air outlet duct; 512. Second air outlet; 513. Return material inlet; 514. Second air inlet; 52. Return material assembly; 521. Filter element; 522. Discharge element;

[0059] 600. Liquid cooling heat dissipation components;

[0060] 61. Coolant chamber; 62. Cover;

[0061] 700, base;

[0062] 71. Air intake duct;

[0063] 800, rack;

[0064] 900. Electric motor;

[0065] L, the axis of the rotating component; L1, the distance between the first set of cutters and the first sidewall; L2, the distance between the second set of cutters and the first sidewall; L3, the distance between the third set of cutters and the first sidewall; L4, the vertical distance between two adjacent sets of cutters; L5, the width of the cutter; L6, the gap between the outer surface of the first grinding block and the inner surface of the adjacent protrusion. Detailed Implementation

[0066] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0067] To enable those skilled in the art to better understand the solutions of this application, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0068] It should be noted that in this paper, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0069] Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0070] In the description of the embodiments of this application, the words "example" or "for example" are used to indicate exemplification, illustration, or description. Any embodiment or design described as "example" or "for example" in the embodiments of this application is not to be construed as being more preferred or having more advantages than another embodiment or design. The use of the words "example" or "for example" is intended to present relative concepts in a clear manner.

[0071] Furthermore, in the embodiments of this application, "multiple" refers to two or more. Therefore, in the embodiments of this application, "multiple" can also be understood as "at least two". "At least one" can be understood as one or more, such as one, two, or more. For example, including at least one means including one, two, or more, and is not limited to which ones are included. For example, including at least one of A, B, and C, then it could include A, B, C, A and B, A and C, B and C, or A and B and C.

[0072] As the development of the new energy industry gradually becomes a global consensus, the market demand for lithium-ion batteries is experiencing explosive growth. As one of the four main materials for lithium-ion batteries, the anode material plays a crucial role in battery performance. Commercially available anode materials are primarily graphite.

[0073] In related technologies, the graphite raw materials required for preparing anode materials typically need to be ground using material processing equipment. However, the grinding capability of such equipment is relatively poor.

[0074] Based on this, embodiments of this application provide a material processing device to improve the shaping capability of the material processing device.

[0075] Please refer to Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of a material processing equipment provided in an embodiment of this application. Figure 2 for Figure 1 The diagram shows a cross-sectional view of the material processing equipment. The equipment includes a first housing 100 and a tool assembly 200. The first housing 100 has a processing chamber 11 for receiving the material to be processed. The tool assembly 200 includes a rotating component 21 and multiple sets of tools. The axis L of the rotating component 21 extends vertically and is at least partially rotatably mounted within the processing chamber 11, allowing the rotating component 21 to rotate about its axis L. Multiple sets of tools are arranged vertically within the processing chamber 11. Each set of tools includes multiple tools 22 spaced circumferentially along the rotating component 21. Each set of tools is mounted on the rotating component 21 to rotate with it.

[0076] The inner wall of the machining chamber 11 includes a first sidewall 12, which surrounds multiple sets of cutting tools. The distance between each set of cutting tools and the first sidewall 12 increases sequentially in the vertically upward direction.

[0077] During the rotation of the rotating component 21, the cutting tool 22 rotates synchronously with it, thereby shearing, shaping, and grinding the material to be processed within the processing chamber 11. As the cutting tool 22 rotates, the material to be processed is also lifted upwards, allowing multiple sets of cutting tools to work together to shape and grind it. During this process, because the distance between each set of cutting tools and the first sidewall 12 increases sequentially in the vertically upward direction, the gap formed between the cutting tool 22 and the first sidewall 12 makes it easier for the material to be lifted upwards without being blocked by the upper rotating cutting tool 22. Therefore, the material processing equipment of this embodiment can fully lift the material to be processed and then, through the coordinated work of multiple sets of cutting tools, provide more uniform and comprehensive shearing, shaping, and grinding.

[0078] Furthermore, taking graphite as an example, by improving the shaping and grinding effects of the material processing equipment, the tap density of graphite can be increased, thereby improving the performance of the graphite electrode.

[0079] It should be noted that, in this application, the vertical extension can mean either extending straight along the vertical direction or extending vertically at a certain angle. For example, the axis L of the rotating component 21 extending vertically can mean that the axis L of the rotating component 21 is parallel to the vertical direction or that the axis L of the rotating component 21 is inclined to the vertical direction.

[0080] In some embodiments, the first sidewall 12 is inclined outward in the vertically upward direction. This allows the cutter 22 to push the material to be processed to rotate circumferentially around the rotating component 21 during rotation, thus giving the material a centrifugal force. Under the influence of this centrifugal force, some of the material to be processed is lifted upward along the inclined first sidewall 12, and as it is lifted upward, it gradually spreads out horizontally. Since the distance between each set of cutters and the first sidewall 12 increases sequentially in the vertically upward direction, it ensures that the material to be processed is fully lifted to the upper part of the processing chamber 11, allowing for better shearing, shaping, and grinding by multiple sets of cutters.

[0081] In some embodiments, the outer diameter of each set of cutters increases sequentially in the vertically upward direction. Therefore, it is possible to avoid excessive horizontal spacing between the upper cutter 22 and the first sidewall 12; furthermore, after the material to be processed is lifted, it is possible to prevent the upper cutter 22 from being unable to shear, shape, and grind the material to be processed inside the processing chamber 11 near the first sidewall 12.

[0082] It should be noted that each set of tools includes multiple tools 22 spaced circumferentially along the rotating component 21, and the outer diameter of each set of tools is the outer diameter of the whole formed by the set of tools.

[0083] The above is a general description of the technical solutions of the embodiments of this application. The following will continue to illustrate the technical solutions with reference to the cutting tool 22 of the embodiments of this application.

[0084] Please continue to refer to this. Figure 3 , Figure 3 for Figure 2 A partial enlarged view at point X is shown. In some embodiments, the multiple sets of tools include a first set of tools 221, a second set of tools 222, and a third set of tools 223 arranged sequentially in a vertically upward direction. The second set of tools 222 is adjacent to both the first set of tools 221 and the third set of tools 223. The distance L1 between the first set of tools 221 and the first sidewall 12 is 85-95 mm, the distance L2 between the second set of tools 222 and the first sidewall 12 is 145-155 mm, and the distance L3 between the third set of tools 223 and the first sidewall 12 is 190-200 mm.

[0085] This avoids both situations where the distance between the first sidewall 12 and the first set of cutters 221, the second set of cutters 222, and the third set of cutters 223 is too small, resulting in the material to be processed not being able to be fully lifted, and situations where the distance between the first sidewall 12 and the first set of cutters 221, the second set of cutters 222, and the third set of cutters 223 is too large, resulting in the upper cutter 22 being unable to shear, shape, and grind the material to be processed near the first sidewall 12.

[0086] For example, the distance L1 between the first set of cutting tools 221 and the first sidewall 12 can be 85 mm, 85.7 mm, 86 mm, 87.5 mm, 88 mm, 88.1 mm, 89 mm, 90 mm, 90.7 mm, 91.3 mm, 91.9 mm, 92 mm, 93.4 mm, 94.6 mm or 95 mm, and this application embodiment does not limit this.

[0087] The distance L2 between the second set of cutting tools 222 and the first sidewall 12 can be 145 mm, 145.3 mm, 146 mm, 147.1 mm, 148 mm, 148.7 mm, 149.5 mm, 150 mm, 150.7 mm, 151.3 mm, 151.7 mm, 152 mm, 153.6 mm, 154.7 mm or 155 mm, and this embodiment does not limit it.

[0088] The distance L3 between the third set of cutting tools 223 and the first sidewall 12 can be 190 mm, 190.9 mm, 192 mm, 193.1 mm, 194.7 mm, 195 mm, 195.5 mm, 196.3 mm, 197 mm, 198.3 mm, 198.5 mm, 199 mm, 199.3 mm, 199.7 mm or 200 mm. This application embodiment does not limit this.

[0089] In some implementations, the vertical spacing L4 between two adjacent sets of cutters is 145-150 mm.

[0090] It can be understood that, on the one hand, when the vertical spacing between two adjacent sets of cutters is too small, the downward shearing force applied by the cutter 22 to the material to be processed is easily enhanced, causing the material to be processed to accumulate at the bottom of the processing chamber 11, which is ultimately not conducive to the material to be processed being fully lifted. On the other hand, when the vertical spacing between two adjacent sets of cutters is too large, the material to be processed located between the two adjacent sets of cutters is easily unable to be fully sheared, shaped, and ground.

[0091] For example, the vertical spacing L4 between two adjacent sets of tools can be 145 mm, 145.4 mm, 146.15 mm, 146.7 mm, 147 mm, 147.4 mm, 147.5 mm, 148 mm, 148.7 mm, 149 mm, 149.5 mm, or 150 mm. This application does not limit this.

[0092] In some embodiments, the width L5 of the tool 22 can be between 48 and 52 mm. Here, the width L5 of the tool 22 is the dimension of the tool 22 in the vertical direction.

[0093] Therefore, a width of 48 mm or greater for the cutting tool 22 ensures sufficient strength to prevent deformation or even breakage during operation, and provides sufficiently strong shearing force to the workpiece, thus ensuring the shaping and grinding effect. Simultaneously, a width of less than 52 mm prevents excessive shearing force from being applied to the workpiece.

[0094] For details, please refer to Table 1 below.

[0095] In Table 1, the first five items in the row of parameters corresponding to the indicators represent the qualified indicators of the required target graphite particles according to the particle size grades Dmin, D10, D50, D90, and Dmax, and the percentage of each grade of powder by volume. The sixth item is the tap density of the required target graphite particles.

[0096] In Table 1, the parameters in the row corresponding to raw material 1 are, in order, the particle size parameters Dmin, D10, D50, D90, Dmax and tap density (TAP) of the first type of graphite raw material to be processed.

[0097] In Table 1, the parameters corresponding to the 40mm tool holder width are, in order, the particle size Dmin, D10, D50, D90, Dmax and tap density parameters of the first type of graphite raw material after processing by the 40mm wide tool 22.

[0098] In Table 1, the parameters corresponding to the 45mm tool holder width are, in order, the particle size Dmin, D10, D50, D90, Dmax and tap density parameters of the first type of graphite raw material after processing by the 45mm wide tool 22.

[0099] The parameters corresponding to the 50mm tool holder width in Table 1 are, in order, the particle size Dmin, D10, D50, D90, Dmax and tap density parameters of the first type of graphite raw material after processing by the 50mm wide tool 22.

[0100] The parameters corresponding to the 55mm tool holder width in Table 1 are, in order, the particle size Dmin, D10, D50, D90, Dmax and tap density parameters of the first type of graphite raw material after processing by the 55mm wide tool 22.

[0101] As shown in Table 1, using a 50 mm wide cutting tool 22 results in a greater increase in the tap density of graphite. Therefore, in this embodiment, setting the cutting tool width L5 to 48 to 52 mm, such as 48 mm, 49.5 mm, 50 mm, 50.2 mm, 50.5 mm, 51 mm, or 52 mm, can effectively improve the tap density of the material after processing.

[0102] Table 1

[0103]

[0104] Please continue to refer to this. Figure 4 , Figure 4 for Figure 2 The diagram shows the structure of the cutting tool assembly and the grinding disc of the material processing equipment. The cutting tool assembly 200 may also include a cutting tool fixing mechanism 23, which is connected to different groups of cutting tools 22. Thus, the cutting tool fixing mechanism 23 can improve the strength of the cutting tools 22, thereby ensuring the shearing, shaping, and grinding effects of the cutting tools 22.

[0105] The tool fixing mechanism 23 can also be connected to different tools 22 in the same group of tools, but this application embodiment does not limit this.

[0106] For example, the tool fixing mechanism 23 may include a plurality of annular connectors 231, which are arranged circumferentially around the rotating component 21, and each annular connector 231 is connected and fixed to at least a portion of the tools 22 in one of the tool sets.

[0107] It is understandable that the cutting tool 22 mainly applies a shearing force to the material to be processed during its rotation. Correspondingly, the material to be processed also applies a reaction force to the cutting tool 22. Therefore, the annular connector 231 effectively prevents the cutting tool 22 from bending, deforming, or even breaking along the circumference of the rotating component 21, thus ensuring that the cutting tool 22 has good shearing, shaping, and grinding effects, and also improving the service life and reliability of the cutting tool 22.

[0108] For example, all the cutting tools 22 of the same group of cutting tools may be connected to the same annular connector 231, but this application embodiment does not limit this.

[0109] In some embodiments, the tool fixing mechanism 23 may further include a plurality of vertical connectors 232. The vertical connectors 232 extend in a vertical direction. The plurality of vertical connectors 232 are arranged at intervals along the circumference of the rotating component 21, and each vertical connector 232 is connected and fixed to at least a portion of the annular connector 231.

[0110] Therefore, the vertical connector 232 can prevent the tool 22 from swinging up and down or bending and being damaged in the vertical direction. This ensures that the tool 22 has good shearing, shaping and grinding effects, and also improves the service life and reliability of the tool 22.

[0111] For example, each vertical connector 232 may be connected and fixed to a portion of the annular connectors 231, or each vertical connector 232 may be connected and fixed to all the annular connectors 231. This application embodiment does not limit this.

[0112] For example, the cutting tools 22 may comprise three groups. Each group of cutting tools includes twelve cutting tools 22 evenly spaced along the circumference of the rotating component 21. Correspondingly, there are three annular connectors 231, each annular connector 231 being connected and fixed to the twelve cutting tools 22 in one of the groups of cutting tools. There may also be twelve vertical connectors 232, which are evenly spaced along the circumference of the rotating component 21, and each vertical connector 232 is connected and fixed to all the annular connectors 231.

[0113] The above are examples of some optional structures of the cutting tool 22 in the embodiments of this application. The embodiments of this application will continue to be illustrated with some other optional structures of the material processing equipment.

[0114] Please continue to refer to this. Figure 5 and Figure 6 , Figure 5 for Figure 2 A magnified view of the area at point Y in the image. Figure 6 for Figure 2 The diagram shows the structure of the material processing equipment after removing part of the first housing. The material processing equipment also includes a material blocking component 300. The material blocking component 300 may include a blocking rib 31. The blocking rib 31 is arranged around the rotating component 21 and is located on the upper side of the cutter 22 in the vertical direction. The inner diameter of the blocking rib 31 is larger than the maximum outer diameter of the multiple sets of cutters, and there is a gap between the blocking rib 31 and the first sidewall 12.

[0115] So, after the material to be processed is lifted, it can continue to be lifted upwards from the inner periphery of the blocking rib 31, and it can also continue to be lifted upwards from the outer periphery of the blocking rib 31. Then, when the material to be processed falls due to its own gravity, it can be blocked by the blocking rib 31, thereby making the material to be processed at the top of the processing chamber 11 fall more slowly, thus preventing the material to be processed at the top of the processing chamber 11 from falling too quickly and blocking the material to be processed at the bottom wall of the processing chamber 11 from being lifted. It can be seen that, in this embodiment of the application, the material blocking component 300 can make the material to be processed in the processing chamber 11 fully lifted, and finally more evenly and fully sheared, shaped and ground.

[0116] In some embodiments, the material blocking component 300 may further include a mounting portion 32 and a plurality of connecting ribs 33. The mounting portion 32 is located on the upper side of the plurality of cutters in the vertical direction and is fixedly connected to the first housing 100. The plurality of connecting ribs 33 are arranged at intervals along the circumference of the first sidewall 12. One end of each connecting rib 33 is connected and fixed to the mounting portion 32, and the other end of each connecting rib 33 extends along the first sidewall 12 toward the cutter 22 and is connected and fixed to the blocking rib 31.

[0117] Thus, the installation of the blocking rib 31 can be completed through the mounting part 32 and the connecting rib 33. At the same time, the connecting rib 33 can also slow down the descent speed of the material to be processed at the top of the processing chamber 11 to a certain extent, so that the material to be processed in the processing chamber 11 is fully lifted up and ultimately sheared, shaped and ground more evenly and fully.

[0118] In some embodiments, there is a gap between the connecting rib 33 and the first sidewall 12, so that the material to be processed can continue to be lifted upward from the inner and outer peripheral sides of the connecting rib 33.

[0119] Please continue to refer to this. Figure 7 and Figure 8 , Figure 7 for Figure 4 The diagram shows the structure of the crushing disc and the protrusion. Figure 8 for Figure 2 A partial enlarged view at point Z. In some embodiments, the material processing equipment may further include a crushing disc 400. The crushing disc 400 includes a disc body 41 and a plurality of first grinding blocks 42. The disc body 41 is disposed on the lower side of the cutter 22 in the vertical direction to receive the material to be processed fed into the processing chamber 11. The disc body 41 is also sleeved on the rotating component 21 to rotate with the rotating component 21. The plurality of first grinding blocks 42 are circumferentially spaced around the rotating component 21, and each first grinding block 42 is disposed on the side of the disc body 41 facing the cutter 22 to crush the material to be processed carried by the disc body 41 as it rotates.

[0120] Thus, as the disc 41 rotates at high speed following the rotating component 21, the first grinding block 42 and the material to be processed can undergo rigid collision, so that the larger particle size of the material to be processed is crushed into smaller particle size, thereby reducing the D90 particle size index of the material to be processed.

[0121] During rotation, the first grinding block 42 and the disc 41 can push the material to be processed to rotate around the circumference of the rotating component 21, giving the material a centrifugal force. Under this centrifugal force, some of the material to be processed can be lifted upwards along the first sidewall 12. As the material is lifted upwards along the first sidewall 12, it gradually spreads outwards due to the outward tilt of the first sidewall 12 in the vertically upward direction. Since the distance between the different sets of cutters 22 and the inner wall of the processing chamber 11 increases sequentially in the vertically upward direction, it ensures that the material to be processed is lifted to the upper part of the processing chamber 11, allowing for better shearing, shaping, and grinding by multiple sets of cutters. Ultimately, the grinding disc 400 mainly crushes and lifts the material at the bottom of the processing chamber 11, while the cutters 22 mainly shear, shape, and grind the lifted material. Finally, the processing of all the material to be processed within the processing chamber 11 is achieved through the cooperation of the grinding disc 400 and the cutters 22.

[0122] In some embodiments, the material processing equipment may further include a plurality of protrusions 13. The plurality of protrusions 13 are mounted on the first sidewall 12. The plurality of protrusions 13 are disposed around the outer periphery of the rotating component 21 and located on the outer periphery of the first grinding block 42.

[0123] When the grinding disc 400 rotates at high speed, it generates a large centrifugal force. The material falls into the gap between the protrusion 13 and the first grinding block 42. The first grinding block 42, in conjunction with the protrusion 13, impacts the material to obtain particles that meet the specified particle size. The inventors' research has revealed that the grinding capacity of the equipment is limited by the synergistic effect of the first grinding block 42 and the protrusion 13. Specifically, a larger number of protrusions 13 increases the grinding capacity but may easily break the surface morphology of the material; a smaller number of protrusions 13 weakens the grinding capacity and increases process costs. Therefore, the number of protrusions 13 can be greater than the number of first grinding blocks 42. Those skilled in the art can set the number of protrusions 13 according to actual needs; this application does not impose any limitations on this.

[0124] In some embodiments, the protrusion 13 includes an inner surface 131 facing the rotating member 21. The first grinding block 42 includes an outer surface 421 facing away from the rotating member 21, and each first grinding block 42 is rotatable so that its outer surface 421 is parallel to the inner surface 131 of any protrusion 13.

[0125] In some embodiments, the distance L6 between the outer surface 421 of the first grinding block 42 and the inner surface 131 of the adjacent protrusion 13 can be between 18 mm and 22 mm. For example, the distance between the inner surface 131 and the outer surface 421 can be 18 mm, 18.2 mm, 18.5 mm, 18.67 mm, 18.9 mm, 19 mm, 19.4 mm, 19.5 mm, 20 mm, 20.7 mm, 21 mm, 21.4 mm, 21.6 mm, or 22 mm, and this application embodiment does not limit this.

[0126] Understandably, if the distance L6 between the outer surface 421 of the first grinding block 42 and the inner surface 131 of the adjacent protrusion 13 is greater than 22 mm, it means that the distance L6 between the outer surface 421 of the first grinding block 42 and the inner surface 131 of the adjacent protrusion 13 is too large. At this time, the material to be processed between the outer surface 421 of the first grinding block 42 and the inner surface 131 of the adjacent protrusion 13 cannot be sufficiently ground.

[0127] On the other hand, if the distance L6 between the outer side 421 of the first grinding block 42 and the inner side 131 of the adjacent protrusion 13 is less than 18 mm, it means that the distance L6 between the outer side 421 of the first grinding block 42 and the inner side 131 of the adjacent protrusion 13 is too small. In this case, a lot of the material to be processed may not be able to enter between the outer side 421 of the first grinding block 42 and the inner side 131 of the adjacent protrusion 13, which will also result in the material to be processed not being sufficiently ground.

[0128] For details, please refer to Table 2 below.

[0129] In Table 2, the first five items in the row of parameters corresponding to the indicators represent the qualified indicators of the required target graphite particles according to the particle size grades Dmin, D10, D50, D90, and Dmax, and the percentage of each grade of powder by volume. The sixth item is the tap density of the required target graphite particles.

[0130] In Table 2, the parameters corresponding to raw material 2 are, in order, the particle size parameters Dmin, D10, D50, D90, Dmax and tap density parameters of the second type of graphite raw material to be processed.

[0131] In Table 2, the parameters corresponding to the 25mm gap example row are, in order, the particle size Dmin, D10, D50, D90, Dmax and tap density parameters of the target graphite obtained when the distance L6 between the inner side 131 and the outer side 421 of the second type of graphite raw material to be processed is 25 mm.

[0132] In Table 2, the parameters corresponding to the 20mm gap example row are, in order, the particle size Dmin, D10, D50, D90, Dmax and tap density parameters of the target graphite obtained when the distance L6 between the inner side 131 and the outer side 421 of the second type of graphite raw material to be processed is 20 mm.

[0133] It can be seen that when the distance L6 between the outer side 421 of the first grinding block 42 and the inner side 131 of the adjacent protrusion 13 is 20 mm, the tap density of the processed material is significantly improved.

[0134] Table 2

[0135]

[0136] In some embodiments, the first housing 100 is further provided with a discharge port 14 communicating with the processing chamber 11. The discharge port 14 is located on the side of the protrusion 13 near the tool 22. Thus, it is possible to avoid leaving a large space between two adjacent protrusions 13 to accommodate the discharge port 14, thereby ultimately improving the effect of the first grinding block 42 and the protrusion 13 in co-crushing the material to be processed.

[0137] It is also understood that the material processing equipment may be equipped with a second suction device (not shown in the figure), which is connected to the discharge port 14 to extract the processed material in the processing chamber 11.

[0138] In some embodiments, the first grinding block 42 may include a first grinding plate 422 and a first mounting plate 423, the first mounting plate 423 being attached to and fixed to the disc body 41. The first grinding plate 422 is vertically connected to the side of the first mounting plate 423 opposite to the disc body 41.

[0139] Of course, such as Figure 1 As shown, the first housing 100 may also be provided with a feed inlet 17 communicating with the processing chamber 11. For example, the feed inlet 17 is connected to the top of the processing chamber 11 for feeding the material to be processed.

[0140] Therefore, during the rotation of the disc 41, the vertically positioned first grinding plate 422 increases the direct contact area with the material to be processed, improving the crushing effect. It can also be understood that if the first grinding block 42 is a solid cuboid structure, its weight will be relatively large, causing the motor connected to the rotating component 21 to generate greater torque to drive the crushing disc 400 to rotate. To meet the required torque, the motor current will increase accordingly, thus the motor is prone to overload damage. In contrast, the embodiment of this application can be understood as hollowing out the portion of the first grinding block 42 located behind the first grinding plate 422, thereby reducing the weight of the first grinding block 42 and lowering the probability of equipment damage.

[0141] In some embodiments, the pulverizing disc 400 further includes a plurality of second grinding blocks 43. The plurality of second grinding blocks 43 are circumferentially spaced around the rotating member 21 and located on the inner circumferential side of the plurality of first grinding blocks 42. The second grinding blocks 43 and the first grinding blocks 42 are alternately spaced along the circumference of the rotating member 21.

[0142] Therefore, the first grinding block 42 and the second grinding block 43 are arranged in an alternating manner. The alternating structure can not only increase the number of grinding blocks and avoid increasing costs and processes, but also grind the material from multiple angles and directions, thereby improving the crushing effect.

[0143] In some embodiments, the second grinding block 43 may include a second grinding plate 431 and a second mounting plate 432, the second mounting plate 432 being attached to and fixed to the disc body 41. The second grinding plate 431 is vertically connected to the side of the second mounting plate 432 opposite to the disc body 41.

[0144] Therefore, during the rotation of the disc 41, the vertically arranged second grinding plate 431 can increase the direct contact area with the material to be processed, thereby improving the crushing effect. It can also be understood that if the second grinding block 43 is a solid cuboid structure, its weight will be relatively large, leading to a greater torque required from the motor connected to the rotating component 21 to drive the crushing disc 400 to rotate. To meet the required torque, the motor current will increase accordingly, thus the motor is prone to overload damage. In contrast, the embodiment of this application can be understood as hollowing out the portion of the second grinding block 43 located behind the second grinding plate 431, thereby reducing the weight of the second grinding block 43 and lowering the probability of equipment damage.

[0145] Please continue to refer to this. Figure 9 and Figure 10 , Figure 9This is another structural schematic diagram of the material processing equipment provided in the embodiments of this application. Figure 10 for Figure 9 The diagram shows a cross-sectional view of the material processing equipment. In some embodiments, the material processing equipment may also include at least one of an air-cooled heat dissipation component 500 and a liquid-cooled heat dissipation component 600. The air-cooled heat dissipation component 500 is used to cool the processing chamber 11 with air. The liquid-cooled heat dissipation component 600 is used to cool the processing chamber 11 with coolant.

[0146] It is understandable that during the high-speed rotation of the rotating component 21, the temperature inside the processing chamber 11 will exceed 90°C, thereby affecting the reliability of the equipment and potentially damaging the material to be processed. However, in this embodiment, the air-cooled heat dissipation component 500 and the liquid-cooled heat dissipation component 600 can effectively reduce the operating temperature inside the processing chamber 11.

[0147] For example, the first housing 100 also includes a first air inlet 15 and a first air outlet 16. The first air inlet 15 is connected to the bottom of the processing chamber 11 in the vertical direction. The first air outlet 16 is connected to the top of the processing chamber 11 in the vertical direction. The air-cooled heat dissipation component 500 also includes a first suction device connected to the first air outlet 16 for driving air in the processing chamber 11 to be discharged from the first air outlet 16.

[0148] Understandably, the bottom-inlet and top-outlet airflow design also creates an upward airflow within the processing chamber 11. This allows the air-cooled heat dissipation component 500 to effectively lift the material to be processed from the bottom wall of the processing chamber 11, thereby improving the shearing, shaping, and grinding effect on the material. Furthermore, the upward airflow within the processing chamber 11 also prevents excessive accumulation of material on the baffle ribs 31, thus avoiding residue buildup.

[0149] Please continue to refer to this. Figure 11 , Figure 11 for Figure 10 A partial enlarged view of point P in the diagram. In some embodiments, the disc body 41 may cover the first air inlet 15. A gap vent 411 is formed between the outer periphery of the disc body 41 and the first sidewall 12, connecting the first air inlet 15 and the interior of the processing chamber 11. Thus, air can be introduced from the bottom while preventing the material to be processed from leaking out of the first air inlet 15.

[0150] In some embodiments, both the inner surface 131 and the outer surface 421 can be parallel to the first sidewall 12. Therefore, the space between the inner surface 131 and the outer surface 421 can also be understood as being parallel to the first sidewall 12. Thus, the airflow through the gap vent 411 can smoothly blow the material to be processed between the inner surface 131 and the outer surface 421 onto the first sidewall 12, and lift it upwards along the first sidewall 12.

[0151] For example, the inner wall of the processing chamber 11 may also include a bottom wall, a first side wall 12 is arranged around the bottom wall, and the bottom wall forms a first air inlet 15.

[0152] Alternatively, the first air inlet 15 can be formed by the lower end of the first sidewall 12 along the vertical direction. In this case, it can also be understood that the interior of the processing chamber 11 does not have a bottom wall.

[0153] In some embodiments, the material processing equipment may further include a base 700. A first housing 100 may be mounted on the base 700, which has a plurality of air inlet channels 71. Each air inlet channel 71 communicates with a first air inlet 15.

[0154] For example, the base 700 may be provided with four air inlet channels 71, which are spaced apart along the circumference of the rotating component 21 or the first side wall 12.

[0155] Correspondingly, the rotating component 21 can be inserted into the base 700 and the first housing 100, so that one end of the rotating component 21 is located inside the first housing 100.

[0156] In some embodiments, the material processing equipment may further include a frame 800 and a motor 900. Both the base 700 and the motor 900 are mounted on the frame 800. The motor 900 is drively connected to the rotating component 21 to drive the rotating component 21 to rotate.

[0157] For example, the output shaft of the motor 900 is fitted with a driving wheel, and one end of the rotating component 21 is fitted with a driven wheel. The driving wheel and the driven wheel are connected by a transmission method of direct meshing, synchronous belt drive, or chain drive. Of course, the output shaft of the motor 900 can also be directly connected to the rotating component 21 via a coupling, and this embodiment of the application does not limit this.

[0158] Please continue to refer to this. Figure 12 , Figure 12 for Figure 9The diagram shows a schematic of the air-cooled heat dissipation component of the material processing equipment. In some embodiments, the first suction device may include a second housing 51, a fan (not shown), and a return assembly 52. ​​The second housing 51 has an air outlet channel 511, which communicates with the first air outlet 16. The fan is installed on the second housing 51. The fan drives the air in the processing chamber 11 to pass sequentially through the first air outlet 16 and the air outlet channel 511 before being discharged. The return assembly 52 is installed on the second housing 51 and is used to collect the material to be processed that enters the air outlet channel 511 from the first air outlet 16 and send it back into the processing chamber 11. Thus, the return assembly 52 can prevent the air-cooled heat dissipation component 500 from drawing away the material to be processed from the processing chamber 11.

[0159] For example, the air outlet duct 511 forms a second air outlet 512 communicating with the outside at its vertically upward end, and a return material inlet 513 communicating with the processing chamber 11 at its vertically downward end. The second housing 51 also has a second air inlet 514 communicating with the first air outlet 16, and the second air inlet 514 is located between the second air outlet 512 and the return material inlet 513. Correspondingly, the return material assembly 52 may include a filter element 521. The filter element 521 is disposed inside the second housing 51 and separates the second air outlet 512 and the second air inlet 514. The filter element 521 is used to filter the material to be processed entering the air outlet duct 511. Thus, the hot air in the processing chamber 11 carries the material to be processed into the air outlet 511 through the first air outlet 16 and the second air inlet 514 in sequence. The hot air will then be discharged from the second air outlet 512, while the material will be filtered by the filter element 521 and fall to the return port 513 under the action of gravity.

[0160] To prevent the fan from simultaneously drawing hot air from the processing chamber 11 out of the return port 513, thus hindering the smooth return of the material to be processed at the return port 513, the inner wall of the return port 513 is inclined inward along the vertical downward direction. Therefore, the return port 513 can be understood as forming a funnel-shaped structure. Consequently, the material to be processed at the return port 513 easily accumulates and blocks it, slowly falling into the processing chamber 11 from the opening at the bottom of the funnel-shaped structure.

[0161] In some embodiments, the return device may also include a discharge component 522. The discharge component 522 is installed at the return port 513 and includes a power source and an impeller. The impeller's axis is horizontally oriented and rotatably mounted at the return port 513. The power source is connected to the impeller drive to drive its rotation. Thus, the power source can drive the impeller to rotate, thereby orderly returning the material to be processed accumulated at the return port 513 back into the processing chamber 11 at a preset speed.

[0162] In some embodiments, the rotating component 21 may further include a rotating shaft 211 and a sleeve 212. The rotating shaft 211 extends vertically and passes through the first housing 100. The sleeve 212 is located inside the machining chamber 11 and is fitted with the rotating shaft 211 to rotate with the rotating shaft 211. Multiple sets of cutting tools are fixed to the outer periphery of the sleeve 212 to rotate with the sleeve 212.

[0163] In some embodiments, the ratio of the outer diameter of the sleeve 212 to the outer diameter of the shaft 211 can be greater than 2. For example, the ratio of the outer diameter of the sleeve 212 to the outer diameter of the shaft 211 can be 2, 2.1, 2.37, 2.5, 2.97, 3, 3.21, 3.4, 3.5, 3.66, 3.7, or 4, etc., and this application embodiment does not limit this.

[0164] Therefore, because the outer diameter of the sleeve 212 is larger, it can occupy the space in the middle of the processing chamber 11, so that the material to be processed can be concentrated on the outer periphery of the processing chamber 11. Furthermore, during the rotation of the rotating component 21, the end of the cutter 22 away from the rotating component 21 and the outer edge of the crushing disc 400 can provide a higher shearing, shaping, grinding and crushing effect on the material to be processed at a higher linear velocity.

[0165] In some embodiments, the return port 513 may be located on the upper side of the sleeve 212 in the vertical direction. Correspondingly, the end of the sleeve 212 facing the return port 513 may be an arc surface. Thus, it is possible to avoid the accumulation of the material to be processed falling from the return port 513 on the top surface of the sleeve 212 when the top surface of the sleeve 212 is flat.

[0166] In some embodiments, a coolant cavity 61 is further provided on the outer side of the first housing 100 to form the liquid cooling heat dissipation component 600 described above. The coolant cavity 61 is used to contain coolant for heat dissipation from the processing chamber 11.

[0167] For example, the liquid cooling heat dissipation component 600 also includes a cover 62, which covers the outer wall of the processing chamber 11 so that a coolant chamber 61 is formed between the cover 62 and the outer wall of the processing chamber 11.

[0168] Of course, the liquid cooling heat dissipation component 600 may also include an inlet and an outlet communicating with the coolant chamber 61, but this application embodiment does not limit this.

[0169] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0170] The material processing equipment provided in the embodiments of this application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A material processing device, characterized in that, include: A first housing, wherein the first housing is provided with a processing chamber for accommodating the material to be processed; A tool assembly includes a rotating component and multiple sets of tools. The rotating component has its axis extending vertically and is at least partially rotatably mounted within a machining chamber. The multiple sets of tools are arranged vertically within the machining chamber. Each set of tools includes multiple tools spaced circumferentially along the rotating component. Each set of tools is mounted on the rotating component to rotate with it. The inner wall of the machining chamber includes a first sidewall surrounding the multiple sets of tools. A pulverizing disc includes a disc body, a plurality of first grinding blocks, and a plurality of second grinding blocks. The disc body is disposed on the lower side of the cutter in the vertical direction to receive the material to be processed fed into the processing chamber. The disc body is sleeved on the rotating component to rotate with the rotating component. The plurality of first grinding blocks are circumferentially spaced around the rotating component. Each first grinding block is disposed on the side of the disc body facing the cutter to pulverize the material to be processed carried by the disc body as it rotates. The plurality of second grinding blocks are circumferentially spaced around the rotating component and located on the inner circumferential side of the plurality of first grinding blocks. The second grinding blocks and the first grinding blocks are alternately spaced along the circumference of the rotating component. and Multiple protrusions are mounted on the first sidewall. The multiple protrusions are arranged around the outer periphery of the rotating component and located on the outer periphery of the first grinding block. Each protrusion includes an inner side facing the rotating component. The first grinding block includes an outer side facing away from the rotating component. Each first grinding block can rotate its outer side to be parallel to the inner side of any of the protrusions. In the vertically upward direction, the first sidewall is inclined outward, the distance between each group of cutters and the first sidewall increases sequentially, and the outer diameter of each group of cutters increases sequentially. The multiple sets of cutting tools include a first set of cutting tools, a second set of cutting tools, and a third set of cutting tools arranged sequentially in a vertically upward direction. The second set of cutting tools is adjacent to the first set of cutting tools and the third set of cutting tools. The horizontal distance between the first set of cutting tools and the first sidewall is 85-95 mm, the horizontal distance between the second set of cutting tools and the first sidewall is 145-155 mm, and the horizontal distance between the third set of cutting tools and the first sidewall is 190-200 mm. The vertical spacing between two adjacent sets of the aforementioned cutters is 145-150 mm; The width of the cutting tool is between 48 and 52 millimeters, wherein the width of the cutting tool is the dimension of the cutting tool in the vertical direction.

2. The material processing equipment according to claim 1, characterized in that, The tool assembly also includes a tool fixing mechanism, which includes: Multiple annular connectors are arranged circumferentially around the rotating component, and each annular connector is fixedly connected to at least a portion of the cutting tools in one set of cutting tools at an end away from the rotating component; and Multiple vertical connectors extend along the vertical direction and are arranged at intervals along the circumference of the rotating component. Each vertical connector is connected and fixed to at least a portion of the annular connectors.

3. The material processing equipment according to claim 1, characterized in that, The material processing equipment further includes a material blocking component, which comprises: The mounting part is located on the upper side of the plurality of cutters in the vertical direction and is fixedly connected to the first housing; Multiple connecting ribs are arranged at circumferential intervals along the first sidewall. One end of each connecting rib is fixedly connected to the mounting portion, and the other end of each connecting rib extends along the first sidewall towards the tool. A blocking rib is provided around the rotating component. The blocking rib is located between the cutting tool and the mounting part and is connected to the end of the connecting rib away from the mounting part. The inner diameter of the blocking rib is larger than the maximum outer diameter of the plurality of cutting tools. There is a gap between the blocking rib and the first sidewall.

4. The material processing equipment according to claim 1, characterized in that, The first housing is further provided with a first air inlet and a first air outlet. The first air inlet is connected to the bottom of the processing chamber in the vertical direction, and the first air outlet is connected to the top of the processing chamber in the vertical direction. The material processing equipment further includes a first suction device, which is connected to a first air outlet to drive the air in the processing chamber to be discharged from the first air outlet.

5. The material processing equipment according to claim 4, characterized in that, The first suction device includes: The second housing is provided with an air outlet channel, which is connected to the first air outlet. A fan, installed in the second housing, drives the air in the processing chamber to pass sequentially through the first air outlet and the air outlet channel before being discharged; and A material return assembly is installed in the second housing. The material return assembly is used to collect the material to be processed that enters the air outlet channel from the first air outlet and send it into the processing chamber.

6. The material processing equipment according to claim 4, characterized in that, The outer side of the first housing is provided with a coolant chamber, which is used to contain coolant to dissipate heat from the processing chamber.

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