A grinder

Abstract

The application provides a grinding machine, which comprises a rotating disc, a fixed disc and a rotating shaft, the rotating disc is sleeved on the rotating shaft and can rotate integrally with the rotating shaft, a space between the rotating disc and the fixed disc forms a grinding space, the rotating disc comprises multiple rotating discs, the multiple rotating discs comprise a first rotating disc located at one axial end, a third rotating disc located at the other axial end and at least one second rotating disc located between the first rotating disc and the third rotating disc, the first rotating disc, the at least one second rotating disc and the third rotating disc are connected integrally, the first rotating disc and the adjacent second rotating disc have a first gap, the first gap can be automatically adjusted in size during the grinding process, the third rotating disc and the adjacent second rotating disc have a second gap, and the second gap can be automatically adjusted in size during the grinding process. According to the application, the effective grinding of materials can be ensured, and the situation that the rotating disc and the fixed disc are stuck due to the too large volume of the materials can be prevented, so that the grinding process can be continuously and effectively carried out.

Description

Technical Field

[0001] This invention relates to the field of grinding technology, and more specifically to a grinding machine. Background Technology

[0002] Currently, existing technologies include grinding cylinders for grinding materials, such as the grinding cylinder of patent 201820123278.1. This grinding cylinder includes a shell, a motor fixedly connected to one side of the shell, the output shaft of the motor being driven by a rotating shaft inside the shell, several turntables fixedly connected to the surface of the rotating shaft, and third protrusions fixedly connected to both sides of the turntables. Several auxiliary grinding discs are fixedly connected to the inner wall of the shell, and second protrusions are fixedly connected to the surface of the auxiliary grinding discs. Coolant pipes are fixedly connected to the outer wall of the shell, a sound insulation plate is fixedly connected to one side of the coolant pipes, an inlet pipe is inserted through one side of the top of the sound insulation plate, and an outlet pipe is inserted through one side of the bottom of the sound insulation plate. A feed pipe is provided at the top of the motor, which is inserted through the shell. An outlet pipe is inserted through the other side of the shell. The motor is electrically connected to an external power source through an external motor switch.

[0003] However, this patent has the following technical problems: 1. When a large material enters between the grinding disc and the turntable, the turntable is easily jammed and cannot continue to rotate, making the grinding process unable to continue effectively; 2. To solve the jamming problem, existing structures usually improve the processing precision of the turntable and grinding disc, resulting in a significant increase in processing costs; 3. It cannot adjust the particle size of the ground material, resulting in poor adaptability and versatility.

[0004] Because existing grinding machines suffer from problems such as jamming between the grinding disc and the turntable due to the large volume of materials, making it impossible to carry out the grinding process continuously and effectively, this invention researches and designs a grinding machine. Summary of the Invention

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the defect in the prior art that the grinding disc and the turntable get stuck due to the large volume of the material, which makes it impossible to carry out the grinding process continuously and effectively, thereby providing a grinding machine.

[0006] To address the above problems, the present invention provides a grinding mill, comprising:

[0007] The system comprises a rotating disk, a fixed disk, and a rotating shaft. The rotating disk is fitted onto the rotating shaft and can rotate integrally with it. The fixed disk is disposed opposite to one axial side of the rotating disk and opposite to the other axial side of the rotating disk. The fixed disk is fixed in place. The space between the fixed disk and the rotating disk forms a grinding space. The rotating disk includes multiple disks, including a first disk located at one axial end, a third disk located at the other axial end, and at least one second disk located between the first disk and the third disk. The first disk, at least one second disk, and the third disk are connected as a whole. There is a first gap between the first disk and its adjacent second disk, which can automatically adjust its size during the grinding process. There is a second gap between the second disk and its adjacent third disk, which can also automatically adjust its size during the grinding process.

[0008] In some implementations...

[0009] It also includes a first fastener that extends from the first turntable, the second turntable and the third turntable to connect the first turntable, the second turntable and the third turntable into one unit;

[0010] The fixed disk includes a first fixed disk located on one side of the axial direction of the rotating disk and a second fixed disk located on the other side of the axial direction of the rotating disk. The first fixed disk is disposed opposite to the first rotating disk, and the second fixed disk is disposed opposite to the third rotating disk. The grinding space includes a first grinding space located between the first fixed disk and the first rotating disk, and a second grinding space located between the second fixed disk and the third rotating disk.

[0011] In some implementations...

[0012] It also includes an elastic structure, wherein the second turntable has mounting holes formed through its two axial end faces, the first fastener passes through the mounting holes through the second turntable, and the elastic structure is disposed in the mounting holes and sleeved on the first fastener. One end of the elastic structure abuts against the first turntable to apply a spring force to the first turntable in the direction of the first fixed plate, and the other end of the elastic structure abuts against the third turntable to apply a spring force to the third turntable in the direction of the second fixed plate.

[0013] In some implementations...

[0014] It also includes a first end cap, a second end cap, and a shell cylindrical section. The first end cap, the second end cap, and the shell cylindrical section together constitute a shell structure. The first end cap and the second end cap are arranged axially spaced along the rotating shaft. A portion of the rotating shaft is supported in a first shaft hole of the first end cap, and a portion of the rotating shaft is supported in a second shaft hole of the second end cap. The rotating shaft passes through the first shaft hole to the second shaft hole, and the shell cylindrical section is located between the first end cap and the second end cap.

[0015] The rotating disk and the fixed disk constitute a grinding unit. There are multiple shell sections. At least one grinding unit is provided between the first end cover and its adjacent shell section, at least one grinding unit is provided between the second end cover and its adjacent shell section, and at least one grinding unit is provided between two adjacent shell sections.

[0016] In some implementations...

[0017] At least one of the first end cap, the second end cap, and the shell section is provided with a material inlet, and a material inlet connector is provided at the material inlet. The first fixed plate is provided with a first guide groove through its two axial end faces. The material introduced by the material inlet connector can be guided to the first grinding space between the first fixed plate and the first turntable through the first guide groove.

[0018] The second fixed plate is provided with a second guide groove through both axial end faces. The material introduced by the material inlet connector can be guided through the second guide groove to the second grinding space between the second fixed plate and the third turntable.

[0019] In some implementations...

[0020] The shell section includes a first cylindrical portion and a first disc-shaped portion. The first cylindrical portion is sleeved on the outer periphery of the first disc-shaped portion. The radially inner side of the first disc-shaped portion has a third shaft hole that can accommodate the rotating shaft. The material inlet is opened through the outer periphery of the first cylindrical portion toward its inner periphery. The first disc-shaped portion is provided with a third guide hole through its two axial end faces. The material introduced by the material inlet connector can be guided from one axial side of the first disc-shaped portion to the other axial side of the first disc-shaped portion through the third guide hole.

[0021] In some implementations...

[0022] The first end cap includes a second disc-shaped portion and a second cylindrical portion, the second cylindrical portion being sleeved on the outer periphery of the second disc-shaped portion, and the second cylindrical portion and the first cylindrical portion extending outwards from each other along the axial direction.

[0023] The second end cap includes a third disc-shaped portion and a third cylindrical portion. The third cylindrical portion is sleeved on the outer periphery of the third disc-shaped portion, and the third cylindrical portion extends axially opposite to the first cylindrical portion.

[0024] The second cylindrical portion is axially opposite and spaced from the first cylindrical portion to form a discharge channel, and a positioning component is provided between the second cylindrical portion and the first cylindrical portion to form the discharge channel; and / or, the third cylindrical portion is axially opposite and spaced from the first cylindrical portion to form a discharge channel, and a positioning component is provided between the third cylindrical portion and the first cylindrical portion to form the discharge channel; and / or, the first cylindrical portions of two adjacent shell sections are axially opposite and spaced from each other to form a discharge channel, and a positioning component is provided between two adjacent first cylindrical portions to form the discharge channel.

[0025] In some implementations...

[0026] The material inlet is formed on the second cylindrical portion of the first end cap, penetrating its inner and outer circumferences. The material inlet is opposite to the first axial end face of the second disc-shaped portion facing the interior of the shell structure. A first arc-shaped guide groove is formed on the first axial end face. The outer circumference of the first arc-shaped guide groove can communicate with the material inlet. A first radial guide groove is connected to the inner circumference of the first arc-shaped guide groove. The radial outer end of the first radial guide groove is connected to the first arc-shaped guide groove, and the radial inner end extends towards the central axis of the first end cap. There are multiple first radial guide grooves, which are arranged at intervals along the circumferential direction. There are multiple first guide grooves, which are arranged at intervals along the circumferential direction of the first fixed disc. The first guide grooves are opposite to and connected to the first radial guide grooves.

[0027] The material inlet is formed on the third cylindrical portion of the second end cap, penetrating its inner and outer circumferences. The material inlet is opposite to the second axial end face of the third disc-shaped portion facing the interior of the shell structure. A second arc-shaped guide groove is formed on the second axial end face. The outer circumference of the second arc-shaped guide groove can communicate with the material inlet. A second radial guide groove is connected to the inner circumference of the second arc-shaped guide groove. The radial outer end of the second radial guide groove communicates with the second arc-shaped guide groove, and the radial inner end extends towards the central axis of the second end cap. There are multiple second radial guide grooves, which are arranged sequentially at intervals along the circumferential direction. There are also multiple second guide grooves, which are arranged sequentially at intervals along the circumferential direction of the second fixed disc. The second guide grooves are opposite to and communicate with the second radial guide grooves.

[0028] The material inlet on the shell section is opposite to the third axial end face of the first disc-shaped portion. A third arc-shaped guide groove is formed on the third axial end face. The outer periphery of the third arc-shaped guide groove can communicate with the material inlet. A third radial guide groove is connected to the inner periphery of the third arc-shaped guide groove. The radial outer end of the third radial guide groove is connected to the third arc-shaped guide groove, and the radial inner end extends towards the central axis of the first disc-shaped portion. There are multiple third radial guide grooves, which are arranged sequentially at intervals along the circumferential direction. The third guide hole is formed at the position of the third radial guide groove, and multiple third guide holes are formed at intervals at one third radial guide groove. The third radial guide groove is opposite to and communicates with the first guide groove, or the third radial guide groove is opposite to and communicates with the second guide groove.

[0029] In some implementations...

[0030] The second cylindrical portion of the first end cap, the first cylindrical portion of the shell section, and the third cylindrical portion of the second end cap form the peripheral wall of the shell structure. The rotating disk is spaced apart from the inner side of the peripheral wall of the shell structure to form a discharge space.

[0031] The fixed plate opposite to the first end cover is fixed to the first end cover as a whole by a second fastener; the first fixed plate is provided on one axial side of the first disc-shaped portion of the housing section, and the second fixed plate is provided on the other axial side of the first disc-shaped portion; the first disc-shaped portion, the first fixed plate, and the second fixed plate are fixed to each other as a whole by a third fastener; the fixed plate opposite to the second end cover is fixed to the second end cover as a whole by a fourth fastener.

[0032] In some implementations...

[0033] The axial length of the first cylindrical portion is greater than the axial length of the first disc-shaped portion, and the first disc-shaped portion is connected to the radially inner side of the first cylindrical portion and located between the two axial end faces of the first cylindrical portion; the axial length of the second cylindrical portion is greater than the axial length of the second disc-shaped portion, and the second disc-shaped portion is connected to the radially inner side of the second cylindrical portion and is flush with one axial end face of the second cylindrical portion; the axial length of the third cylindrical portion is greater than the axial length of the third disc-shaped portion, and the third disc-shaped portion is connected to the radially inner side of the third cylindrical portion and is flush with one axial end face of the third cylindrical portion; the positioning component is a positioning bolt;

[0034] The rotating shaft is provided with a first keyway, and the rotating disk is provided with a second keyway on its circumferential inner sidewall opposite to the first keyway. It also includes a key, at least a portion of the key is engaged in the first keyway, and at least a portion of the key is engaged in the second keyway.

[0035] The grinding machine provided by this invention has the following beneficial effects:

[0036] 1. This invention, by setting up a rotating disk, a fixed disk, and a rotating shaft, allows the rotating disk to rotate as a whole, thereby forming a grinding space between the rotating disk and the fixed disk. Materials entering this grinding space can be ground and pulverized. Furthermore, this invention configures the rotating disk with a structure comprising a first rotating disk, at least one second rotating disk, and a third rotating disk. At least one second rotating disk is located between the first and third rotating disks. A first gap exists between the first rotating disk and its adjacent second rotating disk. This first gap can automatically adjust its size during the grinding process. When materials enter the grinding space between the first and fixed disks, the size of the first gap between the first and second rotating disks can be automatically adjusted according to the size of the material particles. When larger materials enter the first grinding space, the first rotating disk automatically contracts to reduce the first gap, thus creating a certain clearance space. When smaller materials enter the first grinding space, the first rotating disk can face outwards. The movement increases the first gap, ensuring effective grinding of the material while preventing jamming between the rotating and fixed discs due to excessively large material volume, thus guaranteeing a continuous and effective grinding process. A second gap exists between the third rotating disc and its adjacent second rotating disc. This second gap automatically adjusts its size during grinding, allowing the second gap between the second and third rotating discs to automatically adjust according to the size of the material particles entering the grinding space between the third and fixed discs. When larger materials enter the second grinding space, the third rotating disc automatically contracts to reduce the second gap, creating a certain clearance space. Conversely, when smaller materials enter the second grinding space, the third rotating disc can move outwards to increase the second gap. This ensures effective grinding of the material while preventing jamming between the rotating and fixed discs due to excessively large material volume, thus guaranteeing a continuous and effective grinding process.

[0037] 2. The present invention also utilizes an elastic structure disposed in the mounting hole of the second turntable. One end of the elastic structure abuts against the first turntable, and the other end abuts against the third turntable. This allows the first turntable to be provided with elastic force towards the first fixed plate, ensuring sufficient compressive force between the first turntable and the first fixed plate for effective grinding of materials in the first grinding space. Furthermore, when the material volume (or particle size) is too large, the material automatically pushes the first turntable to overcome the elastic force of the elastic structure, causing the elastic structure to contract and form a clearance space. This effectively prevents jamming between the turntable and the grinding disc. Moreover, this structure of the present invention can reduce [damage / loss] while preventing jamming. The machining precision of the turntable and grinding disc is such that excessive machining precision would increase costs. Furthermore, the present invention, through the combination of the elastic structure of the first, second, and third turntables, can machine the first grinding space between the first turntable and the first fixed disc, and the second grinding space between the third turntable and the second fixed disc, to be larger. This ensures that large-volume materials will not cause jamming during the grinding process. At the same time, the elastic structure can reduce the particle size (or volume) of the ground material, thereby effectively improving the grinding effect. It can also adjust the particle size of the ground material, improving the grinding effect, adaptability, and versatility. Attached Figure Description

[0038] Figure 1 This is a longitudinal sectional view of the grinding machine of the present invention;

[0039] Figure 2 yes Figure 1 External structural diagram of the grinding machine;

[0040] Figure 3 yes Figure 1 A magnified view of a portion of the rotating disk;

[0041] Figure 4 yes Figure 1 A magnified view of the first end cap and the first fixing plate in the middle;

[0042] Figure 5 yes Figure 4 An enlarged structural diagram of the first end cap in the middle;

[0043] Figure 6 yes Figure 5 Right view of the structure of the first end cap;

[0044] Figure 7 yes Figure 4 Left view of the structure of the first fixed plate in the middle;

[0045] Figure 8 yes Figure 1 A magnified view of the second end cap and the second fixing plate in the middle;

[0046] Figure 9 yes Figure 8 An enlarged structural diagram of the second end cap;

[0047] Figure 10 yes Figure 9 Left view of the structure of the second end cap;

[0048] Figure 11 yes Figure 8 The right-side structural diagram of the second fixed plate in the diagram;

[0049] Figure 12 yes Figure 1 Enlarged view of the middle shell section + first fixed plate + second fixed plate;

[0050] Figure 13 yes Figure 12 Enlarged structural diagram of the shell section;

[0051] Figure 14 yes Figure 13 Left view of the shell section in the middle;

[0052] Figure 15 yes Figure 12 A front view of the first fixed plate in the structure;

[0053] Figure 16 yes Figure 12 A front view of the second fixing plate in the diagram;

[0054] Figure 17 yes Figure 1 A partially enlarged structural diagram of the material inlet connector;

[0055] Figure 18 yes Figure 1 A partially enlarged structural diagram of the positioning component.

[0056] The attached figures are labeled as follows:

[0057] 1. Rotating disk; 2. Fixed disk; 3. Rotating shaft; 4. First rotating disk; 5. Second rotating disk; 6. Third rotating disk; 7. First fastener; 8. First fixed disk; 9. Second fixed disk; 10. Elastic structure; 11. Mounting hole; 12. First end cover; 13. Second end cover; 14. Shell cylindrical section; 15. First keyway; 16. Second keyway; 17. Key; 18. Material inlet; 19. Material inlet connector; 20. First guide channel; 21. Second guide channel; 22. First cylindrical portion; 23. First disc-shaped portion; 24. First shaft hole; 25. Second shaft hole; 26. Third shaft 27. Hole; 28. Third guide hole; 29. ​​Second disc-shaped portion; 30. Second cylindrical portion; 31. Third disc-shaped portion; 32. Third cylindrical portion; 33. Discharge channel; 34. Positioning component; 35. Discharge space; 36. Second fastener; 37. Third fastener; 38. Fourth fastener; 39. First axial end face; 40. First arc-shaped guide groove; 41. First radial guide groove; 42. Second axial end face; 43. Second arc-shaped guide groove; 44. Third axial end face; 45. Third arc-shaped guide groove; 46. Third radial guide groove. Detailed Implementation

[0058] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0059] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0060] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0061] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this invention; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0062] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0063] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this invention.

[0064] like Figure 1-18As shown, the present invention provides a grinding machine, which includes:

[0065] The system comprises a rotating disk 1, a fixed disk 2, and a rotating shaft 3. The rotating disk 1 is mounted on the rotating shaft 3 and can rotate integrally with the rotating shaft 3. The fixed disk 2 is disposed opposite to one axial side of the rotating disk 1 and opposite to the other axial side of the rotating disk 1. The fixed disk 2 is fixed in place. The space between the fixed disk 2 and the rotating disk 1 forms a grinding space. The rotating disk 1 includes multiple disks, including a first disk 4 located at one axial end, a third disk 6 located at the other axial end, and at least one second disk 5 located between the first disk 4 and the third disk 6. The first disk 4, at least one second disk 5, and the third disk 6 are connected as a whole. There is a first gap between the first disk 4 and its adjacent second disk 5, which can automatically adjust its size during the grinding process. There is a second gap between the third disk 6 and its adjacent second disk 5, which can automatically adjust its size during the grinding process.

[0066] This invention, by setting up a rotating disk, a fixed disk, and a rotating shaft, allows the rotating disk to rotate as a whole, thus forming a grinding space between the rotating disk and the fixed disk. Materials entering this grinding space can be ground and pulverized. Furthermore, the invention configures the rotating disk with a structure comprising a first rotating disk, at least one second rotating disk, and a third rotating disk. At least one second rotating disk is located between the first and third rotating disks. A first gap exists between the first rotating disk and its adjacent second rotating disk. This first gap can automatically adjust its size during the grinding process. When materials enter the grinding space between the first and fixed disks, the size of the first gap between the first and second rotating disks can be automatically adjusted according to the size of the material particles. When larger materials enter the first grinding space, the first rotating disk automatically contracts to reduce the first gap, thus creating a certain clearance space. When smaller materials enter the first grinding space, the first rotating disk can move outwards. The first gap is increased to ensure effective grinding of materials while preventing the material from getting stuck between the rotating and fixed discs due to excessive material volume, thus ensuring the continuous and effective grinding process. A second gap exists between the third rotating disc and its adjacent second rotating disc. This second gap automatically adjusts its size during the grinding process. When materials enter the grinding space between the third and fixed discs, the size of the second gap between the second and third rotating discs is automatically adjusted according to the size of the material particles. When larger materials enter the second grinding space, the third rotating disc automatically contracts to reduce the second gap, creating a certain clearance space. When smaller materials enter the second grinding space, the third rotating disc can move outwards to increase the second gap. This ensures effective grinding of materials while preventing the material from getting stuck between the rotating and fixed discs due to excessive material volume, thus ensuring the continuous and effective grinding process.

[0067] In some implementations...

[0068] It also includes a first fastener 7, which extends from the first turntable 4 and the second turntable 5 to the third turntable 6 to connect the first turntable 4, the second turntable 5 and the third turntable 6 into one unit; the first fastener is preferably a bolt;

[0069] The fixed disk 2 includes a first fixed disk 8 located on one side of the axial direction of the rotating disk 1 and a second fixed disk 9 located on the other side of the axial direction of the rotating disk 1. The first fixed disk 8 is disposed opposite to the first rotating disk 4, and the second fixed disk 9 is disposed opposite to the third rotating disk 6. The grinding space includes a first grinding space located between the first fixed disk 8 and the first rotating disk 4, and a second grinding space located between the second fixed disk 9 and the third rotating disk 6.

[0070] This is a preferred structural form of the rotating disk and fixed disk of the present invention. The first, second and third rotating disks of the separate structure can be fixedly connected into one unit by the first fastener. Preferably, the bolt head of the first fastener and the bottom of the groove of the nut of the first fixed disk have a gap distance. The distance between the rotating disk and the two fixed disks can be adjusted by adjusting the gap distance, thereby further adjusting the particle size of the material to be ground and improving its adaptability and versatility. The fixed disk preferably includes a first fixed disk that cooperates with the first rotating disk for grinding and a second fixed disk that cooperates with the second rotating disk for grinding, so that grinding space can be formed at both ends of the rotating disk in the axial direction, thereby improving grinding efficiency.

[0071] In some implementations...

[0072] It also includes an elastic structure 10. The second turntable 5 has mounting holes 11 formed through its two axial end faces. The first fastener 7 passes through the mounting holes 11 through the second turntable 5. The elastic structure 10 is disposed in the mounting holes 11 and sleeved on the first fastener 7. One end of the elastic structure 10 abuts against the first turntable 4 so as to apply a spring force to the first turntable 4 in the direction of the first fixed plate 8. The other end of the elastic structure 10 abuts against the third turntable 6 so as to apply a spring force to the third turntable 6 in the direction of the second fixed plate 9.

[0073] The present invention also incorporates an elastic structure within the mounting hole of the second turntable. One end of the elastic structure abuts against the first turntable, and the other end abuts against the third turntable. This allows the first turntable to receive elastic force towards the first fixed disc, ensuring sufficient compressive force between the first turntable and the first fixed disc for effective grinding of the material within the first grinding space. Furthermore, when the material volume (or particle size) is too large, the material automatically pushes the first turntable to overcome the elastic force of the elastic structure, causing the elastic structure to contract and create a clearance space. This effectively prevents jamming between the turntable and the grinding disc. Moreover, this structure of the present invention reduces the impact on the material while preventing jamming. The machining precision of the turntable and grinding disc is such that excessive machining precision would increase costs. Furthermore, the present invention, through the combination of the elastic structure of the first, second, and third turntables, can make the first grinding space between the first turntable and the first fixed disc, and the second grinding space between the third turntable and the second fixed disc, larger. This ensures that large-volume materials will not cause jamming during the grinding process. At the same time, the elastic structure can reduce the particle size (or volume) of the ground material, thereby effectively improving the grinding effect. It can also adjust the particle size of the ground material, improving the grinding effect, adaptability, and versatility.

[0074] This invention can have the following beneficial effects:

[0075] 1. When a large material enters between the grinding disc and the rotating disc, a clearance space is formed through the gap between the rotating disc and the fixed disc, preventing the rotating disc from getting stuck and unable to continue rotating, thus ensuring that the grinding process continues effectively.

[0076] 2. It eliminates the need to increase the machining accuracy of the turntable and grinding disc, effectively reducing machining accuracy and costs;

[0077] 3. The elastic structure can adaptively form the above-mentioned clearance space, and ensure the contact force between the fixed plate and the rotating plate, thus ensuring the grinding effect. It can also adjust the particle size of the ground material, improving its adaptability and versatility.

[0078] In some implementations...

[0079] It also includes a first end cap 12, a second end cap 13, and a shell cylindrical section 14. The first end cap 12, the second end cap 13, and the shell cylindrical section 14 together constitute a shell structure. The first end cap 12 and the second end cap 13 are arranged at an axial distance along the rotating shaft 3. A portion of the shaft of the rotating shaft 3 is supported in the first shaft hole 24 of the first end cap 12, and a portion of the shaft of the rotating shaft 3 is supported in the second shaft hole 25 of the second end cap 13. The rotating shaft 3 passes through the first shaft hole 24 to the second shaft hole 25. The shell cylindrical section 14 is located between the first end cap 12 and the second end cap 13.

[0080] The rotating disk 1 and the fixed disk 2 constitute a grinding unit. There are multiple shell sections 14. At least one grinding unit is provided between the first end cover 12 and its adjacent shell section 14. At least one grinding unit is provided between the second end cover 13 and its adjacent shell section 14. At least one grinding unit is provided between two adjacent shell sections 14.

[0081] This is a further preferred structural form of the grinding machine of the present invention. Through the structure of two end caps and shell sections, a shell structure can be formed to accommodate and support the rotating shaft, and to house the grinding unit consisting of a rotating disk and a fixed disk. One or more shell sections can be used. At least one grinding unit can be arranged between the shell sections and the end caps, as well as between adjacent shell sections. The fixed disk is fixed by the shell sections or end caps, while the rotating shaft drives the rotating disk to rotate, thereby creating relative motion between the rotating disk and the fixed disk, achieving the purpose of grinding the material. The material used in the present invention is preferably a solid-liquid mixture.

[0082] In some implementations...

[0083] At least one of the first end cap 12, the second end cap 13 and the shell section 14 is provided with a material inlet 18, and a material inlet connector 19 is provided at the material inlet 18. The first fixed plate 8 is provided with a first guide groove 20 through its two axial end faces. The material introduced by the material inlet connector 19 can be guided to the first grinding space between the first fixed plate 8 and the first turntable 4 through the first guide groove 20.

[0084] The second fixed plate 9 is provided with a second guide groove 21 through both axial end faces. The material introduced by the material inlet connector 19 can be guided through the second guide groove 21 to the second grinding space between the second fixed plate 9 and the third turntable 6.

[0085] This is a further preferred structural form of the grinding machine of the present invention. By providing a material inlet on at least one of the end cap or the shell section, the material can be introduced into the interior of the shell. The sealing of the connecting pipe, etc., can be further ensured by the material inlet joint. The first guide groove on the first fixed plate can guide the material entering between the end cap and the first fixed plate through the material inlet to the space between the first fixed plate and the rotating plate, thereby forming a material supply and ensuring that the material enters between the fixed plate and the rotating plate and can be ground. The second guide groove on the second fixed plate can guide the material entering between the end cap and the second fixed plate through the material inlet to the space between the second fixed plate and the rotating plate, thereby forming a material supply and ensuring that the material enters between the fixed plate and the rotating plate and can be ground.

[0086] like Figure 12-13 In some implementation methods,

[0087] The shell section 14 includes a first cylindrical portion 22 and a first disc-shaped portion 23. The first cylindrical portion 22 is sleeved on the outer periphery of the first disc-shaped portion 23. The radially inner side of the first disc-shaped portion 23 has a third shaft hole 26 that can accommodate the rotating shaft 3. The material inlet 18 is opened through the outer periphery of the first cylindrical portion 22 toward its inner periphery. The first disc-shaped portion 23 is provided with a third guide hole 27 through its two axial end faces. Through the third guide hole 27, the material introduced by the material inlet connector 19 can be guided from one axial side of the first disc-shaped portion 23 to the other axial side of the first disc-shaped portion 23.

[0088] This is a further preferred structural form of the shell section of the present invention, namely, a structure including a first cylindrical part and a first disc-shaped part. The material inlet can be opened on the first cylindrical part to introduce material, and the material on one side of the first disc-shaped part can be effectively guided to the other side of the first disc-shaped part through the third guide hole. This ensures that the material entering from the shell section can be guided to the fixed disc and the rotating disc at one end of the first axis for grinding, and can also be guided to the fixed disc and the rotating disc at the other end of the first disc-shaped part for grinding, thereby increasing the material distribution area and distribution space, and further improving the efficiency of material grinding.

[0089] like Figure 4-5 And 8-9, in some implementations,

[0090] The first end cap 12 includes a second disc-shaped portion 28 and a second cylindrical portion 29. The second cylindrical portion 29 is sleeved on the outer periphery of the second disc-shaped portion 28, and the second cylindrical portion 29 and the first cylindrical portion 22 extend outward from each other along the axial direction.

[0091] The second end cap 13 includes a third disc-shaped portion 30 and a third cylindrical portion 31. The third cylindrical portion 31 is sleeved on the outer periphery of the third disc-shaped portion 30, and the third cylindrical portion 31 extends axially opposite to the first cylindrical portion 22.

[0092] The second cylindrical portion 29 is axially opposite and spaced from the first cylindrical portion 22 to form a discharge channel 32, and a positioning member 33 is provided between the second cylindrical portion 29 and the first cylindrical portion 22 to form the discharge channel 32; and / or, the third cylindrical portion 31 is axially opposite and spaced from the first cylindrical portion 22 to form a discharge channel 32, and a positioning member 33 is provided between the third cylindrical portion 31 and the first cylindrical portion 22 to form the discharge channel 32; and / or, the first cylindrical portions 22 of two adjacent shell sections 14 are axially opposite and spaced from each other to form a discharge channel 32, and a positioning member 33 is provided between two adjacent first cylindrical portions 22 to form the discharge channel 32.

[0093] This is a further preferred structural form of the first end cap and the second end cap of the present invention. Both the first end cap and the second end cap are configured to include a disc-shaped portion and a cylindrical portion. The cylindrical portion of the end cap and the cylindrical portion of the shell section are arranged axially opposite each other and spaced apart by a certain distance, thereby forming a discharge channel. The material that has been ground by the fixed disc and the rotating disc inside the shell can be discharged through the discharge channel. The discharge channel can be formed between the cylindrical portion of the end cap and the cylindrical portion of the shell section, or between the cylindrical portions of two adjacent shell sections. Both can achieve the effect of discharging the material ground by each grinding unit.

[0094] In some implementations...

[0095] like Figure 5-7 The material inlet 18 is formed on the second cylindrical portion 29 of the first end cap 12, penetrating its inner and outer circumferences. The material inlet 18 is opposite to the first axial end face 38 of the second disc-shaped portion 28 facing the interior of the shell structure. A first arc-shaped guide groove 39 is formed on the first axial end face 38. The outer circumference of the first arc-shaped guide groove 39 can communicate with the material inlet 18. A first radial guide groove 40 is connected to the inner circumference of the first arc-shaped guide groove 39. The radial outer end of the first radial guide groove 40 communicates with the first arc-shaped guide groove 39, and the radial inner end extends toward the central axis of the first end cap 12. There are multiple first radial guide grooves 40, which are arranged at intervals along the circumferential direction. There are multiple first guide grooves 20, which are arranged at intervals along the circumferential direction of the first fixed plate 8. The first guide grooves 20 and the first radial guide grooves 40 are opposite to and connected to each other. Preferably, the first arc-shaped guide groove and the first radial guide groove are both blind grooves.

[0096] like Figure 9-11 The material inlet 18 is formed on the third cylindrical portion 31 of the second end cap 13 in a manner that penetrates its inner and outer circumferences. The material inlet 18 is opposite to the second axial end face 41 of the third disc-shaped portion 30 facing the interior of the shell structure. A second arc-shaped guide groove 42 is formed on the second axial end face 41. The outer circumference of the second arc-shaped guide groove 42 can communicate with the material inlet 18. A second radial guide groove 43 is connected to the inner circumference of the second arc-shaped guide groove 42. The radial outer end of the second radial guide groove 43 communicates with the second arc-shaped guide groove 42, and the radial inner end extends toward the central axis of the second end cap 13. There are multiple second radial guide grooves 43, which are arranged sequentially at intervals along the circumferential direction. There are multiple second guide grooves 21, which are arranged sequentially at intervals along the circumferential direction of the second fixed plate 9. The second guide grooves 21 are opposite to and communicate with the second radial guide grooves 43 one by one. Preferably, the second arc-shaped guide groove and the second radial guide groove are both blind grooves.

[0097] like Figure 13-15The material inlet 18 on the shell section 14 is opposite to the third axial end face 44 of the first disc-shaped portion 23. A third arc-shaped guide groove 45 is provided on the third axial end face 44. The outer periphery of the third arc-shaped guide groove 45 can communicate with the material inlet 18. A third radial guide groove 46 is provided on the inner periphery of the third arc-shaped guide groove 45. The radial outer end of the third radial guide groove 46 communicates with the third arc-shaped guide groove 45, and the radial inner end extends toward the central axis of the first disc-shaped portion 23. There are multiple third radial guide grooves 46, which are arranged sequentially at intervals along the circumferential direction; the third guide holes 27 are opened at the positions of the third radial guide grooves 46, and multiple spaced third guide holes 27 are opened at one third radial guide groove 46; the third radial guide grooves 46 are opposite to and connected to the first guide grooves 20, or the third radial guide grooves 46 are opposite to and connected to the second guide grooves 21; preferably, the third arc-shaped guide grooves and the third radial guide grooves are both blind grooves.

[0098] This is a further preferred structural form of the first and second end caps and the shell section of the present invention. The first arc-shaped guide groove provided on the axial end face of the first end cap facing the fixed plate can introduce material from the material inlet and guide it to a plurality of first radial guide grooves connected thereto. Since the plurality of first radial guide grooves are arranged at intervals in the circumferential direction, the material distribution area can be increased. The first radial guide grooves are one-to-one with the first guide grooves on the first fixed plate, which can further guide the material through the first guide grooves to the space between the first fixed plate and the first rotating plate, thereby achieving excellent guiding effect and increasing the material distribution area, thereby improving the material distribution area between the first fixed plate and the first rotating plate, and further improving the grinding area and grinding effect.

[0099] The material can be introduced from the material inlet through the second arc-shaped guide groove on the axial end face of the second end cover facing the fixed plate, and guided to multiple second radial guide grooves connected to it. Since the multiple second radial guide grooves are arranged at intervals in the circumferential direction, the material distribution area can be increased. The second radial guide grooves are one-to-one with the second guide grooves on the second fixed plate, which can further guide the material to the space between the second fixed plate and the third turntable, thereby achieving excellent guiding effect and increasing the material distribution area. This increases the material distribution area between the second fixed plate and the third turntable, thereby further increasing the grinding area and improving the grinding effect.

[0100] Material is introduced from the material inlet and guided to multiple third radial guide channels connected to it by a third arc-shaped guide channel on the axial end face of the first disc-shaped structure of the shell section facing the fixed disc. Since the multiple third radial guide channels are arranged at intervals along the circumferential direction, the material distribution area can be increased. The third radial guide channels are one-to-one with the second guide channels on the second fixed disc, which can further guide the material to the space between the second fixed disc and the third rotating disc, thereby achieving excellent guiding effect. The third radial guide channels are connected to the third guide holes, which can guide the material to the other end face of the axial direction through the third guide holes. By being connected to the first guide channel on the first fixed disc, the material guiding effect between the first fixed disc and the first rotating disc is achieved. Furthermore, the material distribution area is increased, thereby improving the material distribution area between the second fixed disc and the third rotating disc, as well as between the first fixed disc and the first rotating disc, which can further increase the grinding area and improve the grinding effect.

[0101] In some implementations...

[0102] The second cylindrical portion 29 of the first end cap 12, the first cylindrical portion 22 of the shell section 14, and the third cylindrical portion 31 of the second end cap 13 form the peripheral wall of the shell structure. The rotating disk 1 is spaced apart from the inner side of the peripheral wall of the shell structure to form a discharge space 34.

[0103] The fixed plate 2, which is opposite to the first end cover 12, is fixed to the first end cover 12 as a whole by the second fastener 35; the first fixed plate 8 is provided on one axial side of the first disc-shaped portion 23 of the housing section 14, and the second fixed plate 9 is provided on the other axial side of the first disc-shaped portion 23; the first disc-shaped portion 23, the first fixed plate 8, and the second fixed plate 9 are fixed to each other as a whole by the third fastener 36; the fixed plate 2, which is opposite to the second end cover 13, is fixed to the second end cover 13 as a whole by the fourth fastener 37.

[0104] This is a further preferred structural form of the grinding machine of the present invention. By setting the rotating disk to form a gap with the inner side of the peripheral wall of the shell structure, a discharge space is formed there, ensuring that the material first enters the discharge space and is discharged through the discharge channel (the discharge space and the discharge channel are connected). The present invention is further preferred to fix the first end cover and the first fixed disk as a whole by the second fastener, fix the fixed disks on both sides of the first disc-shaped part of the shell section as a whole by the third fastener, and fix the second fixed disk adjacent to it as a whole by the fourth fastener, thereby ensuring that each fixed disk can be fixed by the first end cover, the second end cover and the first disc-shaped structure of the shell section respectively, preventing the fixed disk from being driven to rotate by the rotating disk, and improving the grinding effect.

[0105] In some implementations...

[0106] The axial length of the first cylindrical portion 22 is greater than the axial length of the first disc-shaped portion 23, and the first disc-shaped portion 23 is connected to the radially inner side of the first cylindrical portion 22 and located between the two axial end faces of the first cylindrical portion 22; the axial length of the second cylindrical portion 29 is greater than the axial length of the second disc-shaped portion 28, and the second disc-shaped portion 28 is connected to the radially inner side of the second cylindrical portion 29 and is flush with one axial end face of the second cylindrical portion 29; the axial length of the third cylindrical portion 31 is greater than the axial length of the third disc-shaped portion 30, and the third disc-shaped portion 30 is connected to the radially inner side of the third cylindrical portion 31 and is flush with one axial end face of the third cylindrical portion 31; the positioning component 33 is a positioning bolt;

[0107] The rotating shaft 3 is provided with a first keyway 15, and the rotating disk 1 is provided with a second keyway 16 on its circumferential inner sidewall opposite to the first keyway 15. It also includes a key 17, at least a portion of the key 17 is engaged in the first keyway 15, and at least a portion of the key 17 is engaged in the second keyway 16.

[0108] This is a preferred structural form of the cylindrical and disc-shaped portions of the shell section of the present invention. The preferred structural form between the cylindrical and disc-shaped portions of the first and second end caps is that the disc-shaped portion of the shell section is located between the two axial end faces of its cylindrical portion and connected to the inner side of the cylindrical portion. This allows material entering one axial end face of the disc-shaped portion from the cylindrical portion to be guided to the other axial end face through the third guide hole. This provides material for grinding both the fixed and moving discs on both sides of the shell section, thereby increasing the material distribution area and distribution efficiency, and improving the grinding effect. The first and second end caps... The disc-shaped structures are all located on one side of the cylindrical structure. Since the first and second end caps are located only at the two axial ends of the grinder, this structure can effectively ensure that the material is introduced into the axial end face of the end cap and is supplied to the corresponding guide channel on the fixed disc through the arc-shaped guide channel and the radial guide channel, and enters the space between the fixed disc and the rotating disc to form a grinding process. This structure can increase the material distribution area and improve the grinding effect. In this invention, the rotating shaft and the rotating disc are connected by a key, so that the rotating disc is driven by the rotating shaft to rotate as a whole, thereby forming a relative rotation with the fixed disc and forming a grinding process.

[0109] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention. The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the protection scope of the present invention.

Claims

1. A grinding machine, characterized in that: include: The rotating disk (1), the fixed disk (2), and the rotating shaft (3) are arranged together. The rotating disk (1) is sleeved on the rotating shaft (3) and can rotate integrally with the rotating shaft (3). The fixed disk (2) is arranged opposite to one side of the rotating disk (1) along the axial direction. The fixed disk (2) is arranged opposite to the other side of the rotating disk (1) along the axial direction. The fixed disk (2) is fixed and stationary. The space between the fixed disk (2) and the rotating disk (1) forms a grinding space. The rotating disk (1) includes multiple rotating disks, including a first rotating disk (4) located at one end of its axial direction, and a second rotating disk (4) located at one end of its axial direction. The third turntable (6) at the other end of its axis and at least one second turntable (5) located between the first turntable (4) and the third turntable (6), the first turntable (4), at least one second turntable (5) and the third turntable (6) are connected as one unit, the first turntable (4) has a first gap with its adjacent second turntable (5), the first gap can automatically adjust its size during the grinding process, the third turntable (6) has a second gap with its adjacent second turntable (5), the second gap can automatically adjust its size during the grinding process; The fixed disk (2) includes a first fixed disk (8) located on one side of the axial direction of the rotating disk (1) and a second fixed disk (9) located on the other side of the axial direction of the rotating disk (1). It also includes a first end cap (12), a second end cap (13), and a shell section (14). The first end cap (12), the second end cap (13), and the shell section (14) together constitute the shell structure. The first end cap (12) and the second end cap (13) are arranged axially at intervals along the rotating shaft (3). A portion of the shaft of the rotating shaft (3) is supported in the first shaft hole (24) of the first end cap (12), and a portion of the shaft of the rotating shaft (3) is supported in the second shaft hole (25) of the second end cap (13). The rotating shaft (3) passes through the first shaft hole (24) to the second shaft hole (25). The shell section (14) is located between the first end cap (12) and the second end cap (13). The rotating disk (1) and the fixed disk (2) constitute a grinding unit. There are multiple shell sections (14). At least one grinding unit is provided between the first end cap (12) and its adjacent shell section (14). At least one grinding unit is provided between the second end cap (13) and its adjacent shell section (14). At least one grinding unit is provided between two adjacent shell sections (14). The grinding space includes a first grinding space located between the first fixed plate (8) and the first turntable (4), and a second grinding space located between the second fixed plate (9) and the third turntable (6); at least one of the first end cap (12), the second end cap (13) and the shell section (14) is provided with a material inlet (18), and a material inlet connector (19) is provided at the material inlet (18); the first fixed plate (8) is provided with a first guide groove (20) through its two axial end faces, and the material introduced by the material inlet connector (19) can be guided to the first grinding space between the first fixed plate (8) and the first turntable (4) through the first guide groove (20); The second fixed plate (9) is provided with a second guide groove (21) through both axial end faces. The material introduced by the material inlet connector (19) can be guided to the second grinding space between the second fixed plate (9) and the third turntable (6) through the second guide groove (21).

2. The grinding machine according to claim 1, characterized in that: It also includes a first fastener (7), which extends from the first turntable (4), the second turntable (5) to the third turntable (6) to connect the first turntable (4), the second turntable (5) and the third turntable (6) into one unit; The first fixed plate (8) is arranged opposite to the first turntable (4), and the second fixed plate (9) is arranged opposite to the third turntable (6).

3. The grinding machine according to claim 2, characterized in that: It also includes an elastic structure (10), on which mounting holes (11) are formed through both axial end faces of the second turntable (5), the first fastener (7) passes through the mounting holes (11) through the second turntable (5), and the elastic structure (10) is disposed in the mounting holes (11) and sleeved on the first fastener (7). One end of the elastic structure (10) abuts against the first turntable (4) so ​​as to apply a spring force to the first turntable (4) in the direction of the first fixed plate (8), and the other end of the elastic structure (10) abuts against the third turntable (6) so as to apply a spring force to the third turntable (6) in the direction of the second fixed plate (9).

4. The grinding machine according to claim 1, characterized in that: The shell section (14) includes a first cylindrical part (22) and a first disc-shaped part (23). The first cylindrical part (22) is sleeved on the outer periphery of the first disc-shaped part (23). The radial inner side of the first disc-shaped part (23) has a third shaft hole (26) that can accommodate the rotating shaft (3) through which it passes. The material inlet (18) is opened through the outer periphery of the first cylindrical part (22) toward its inner periphery. The first disc-shaped part (23) is provided with a third guide hole (27) through its two axial end faces. The material introduced by the material inlet connector (19) through the third guide hole (27) can be guided from one axial side of the first disc-shaped part (23) to the other axial side of the first disc-shaped part (23).

5. The grinding machine according to claim 4, characterized in that: The first end cap (12) includes a second disc-shaped portion (28) and a second cylindrical portion (29). The second cylindrical portion (29) is sleeved on the outer periphery of the second disc-shaped portion (28), and the second cylindrical portion (29) extends axially relative to the first cylindrical portion (22). The second end cap (13) includes a third disc-shaped portion (30) and a third cylindrical portion (31), the third cylindrical portion (31) being fitted around the outer periphery of the third disc-shaped portion (30), and the third cylindrical portion (31) extending axially opposite to the first cylindrical portion (22). The second cylindrical portion (29) is axially opposite and spaced from the first cylindrical portion (22) to form a discharge channel (32), and a positioning member (33) is provided between the second cylindrical portion (29) and the first cylindrical portion (22) to form the discharge channel (32); and / or, the third cylindrical portion (31) is axially opposite and spaced from the first cylindrical portion (22) to form a discharge channel (32), and a positioning member (33) is provided between the third cylindrical portion (31) and the first cylindrical portion (22) to form the discharge channel (32); and / or, the first cylindrical portions (22) of two adjacent shell sections (14) are axially opposite and spaced from each other to form a discharge channel (32), and a positioning member (33) is provided between two adjacent first cylindrical portions (22) to form the discharge channel (32).

6. The grinding machine according to claim 5, characterized in that: The material inlet (18) is formed on the second cylindrical portion (29) of the first end cap (12) in a manner that extends through its inner and outer circumferences. The material inlet (18) is opposite to the first axial end face (38) of the second disc-shaped portion (28) facing the interior of the shell structure. A first arc-shaped guide groove (39) is formed on the first axial end face (38). The outer circumference of the first arc-shaped guide groove (39) can communicate with the material inlet (18). A first radial guide groove (40) is provided on the inner circumference of the first arc-shaped guide groove (39). The radial outer end of a radial guide groove (40) is connected to the first arc-shaped guide groove (39), and the radial inner end extends toward the central axis of the first end cap (12); there are multiple first radial guide grooves (40), which are arranged alternately along the circumferential direction; there are multiple first guide grooves (20), which are arranged alternately along the circumferential direction of the first fixed plate (8), and the first guide grooves (20) and the first radial guide grooves (40) are opposite to each other and connected; and / or, The material inlet (18) is formed on the third cylindrical portion (31) of the second end cap (13) in a manner that extends through its inner and outer circumferences. The material inlet (18) is opposite to the second axial end face (41) of the third disc-shaped portion (30) facing the interior of the shell structure. A second arc-shaped guide groove (42) is formed on the second axial end face (41). The outer circumference of the second arc-shaped guide groove (42) can communicate with the material inlet (18). A second radial guide groove (43) is provided on the inner circumference of the second arc-shaped guide groove (42). The radial outer end of the two radial guide channels (43) is connected to the second arc-shaped guide channel (42), and the radial inner end extends toward the central axis of the second end cap (13); there are multiple second radial guide channels (43), which are arranged alternately along the circumferential direction; there are multiple second guide channels (21), which are arranged alternately along the circumferential direction of the second fixed plate (9), and the second guide channels (21) and the second radial guide channels (43) are opposite to each other and connected; and / or, The material inlet (18) on the shell section (14) is opposite to the third axial end face (44) of the first disc-shaped portion (23). A third arc-shaped guide groove (45) is provided on the third axial end face (44). The outer periphery of the third arc-shaped guide groove (45) can communicate with the material inlet (18). A third radial guide groove (46) is provided on the inner periphery of the third arc-shaped guide groove (45). The radial outer end of the third radial guide groove (46) is connected to the third arc-shaped guide groove (45), and the radial inner end faces the first disc-shaped portion (23). 3) extends in the direction of the central axis; there are multiple third radial guide grooves (46), and multiple third radial guide grooves (46) are arranged at intervals in the circumferential direction; the third guide hole (27) is opened at the position of the third radial guide groove (46), and multiple third guide holes (27) are opened at intervals at one third radial guide groove (46); the third radial guide groove (46) is opposite to and connected to the first guide groove (20), or the third radial guide groove (46) is opposite to and connected to the second guide groove (21).

7. The grinding machine according to any one of claims 5-6, characterized in that: The second cylindrical portion (29) of the first end cap (12), the first cylindrical portion (22) of the shell section (14) and the third cylindrical portion (31) of the second end cap (13) form the peripheral wall of the shell structure. The rotating disk (1) is spaced apart from the inner side of the peripheral wall of the shell structure to form a discharge space (34). The fixed plate (2) opposite to the first end cap (12) is fixed to the first end cap (12) by the second fastener (35); the first fixed plate (8) is provided on one axial side of the first disc-shaped part (23) of the shell section (14), and the second fixed plate (9) is provided on the other axial side of the first disc-shaped part (23). The first disc-shaped part (23), the first fixed plate (8) and the second fixed plate (9) are fixed to each other by the third fastener (36); the fixed plate (2) opposite to the second end cap (13) is fixed to the second end cap (13) by the fourth fastener (37).

8. The grinding machine according to any one of claims 5-6, characterized in that: The axial length of the first cylindrical portion (22) is greater than the axial length of the first disc-shaped portion (23), and the first disc-shaped portion (23) is connected to the radially inner side of the first cylindrical portion (22) and located between the two axial end faces of the first cylindrical portion (22); the axial length of the second cylindrical portion (29) is greater than the axial length of the second disc-shaped portion (28), and the second disc-shaped portion (28) is connected to the radially inner side of the second cylindrical portion (29) and is flush with one axial end face of the second cylindrical portion (29); the axial length of the third cylindrical portion (31) is greater than the axial length of the third disc-shaped portion (30), and the third disc-shaped portion (30) is connected to the radially inner side of the third cylindrical portion (31) and is flush with one axial end face of the third cylindrical portion (31); the positioning component (33) is a positioning bolt; The rotating shaft (3) is provided with a first keyway (15), and the rotating disk (1) is provided with a second keyway (16) on its circumferential inner sidewall and at a position opposite to the first keyway (15). It also includes a key (17), at least a portion of the key (17) is engaged in the first keyway (15), and at least a portion of the key (17) is engaged in the second keyway (16).

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