Beater

Abstract

The utility model discloses a beater, which comprises a feed hopper, the beater body comprises a shell and a filter screen drum, the filter screen drum is arranged in the shell, a material conveying shaft is rotatably arranged in the filter screen drum, filter holes are formed in the filter screen drum, a variable-diameter spiral piece is wound around the material conveying shaft in the length direction, and the variable-diameter spiral piece can convey materials to the tail of the material conveying shaft. A variable-diameter spiral piece is arranged in the shell, a grinding space is formed between the variable-diameter spiral piece and the inner wall of the filter screen drum, the feeding hopper is communicated with the grinding space, a first discharging opening is formed in the bottom of the shell, a second discharging opening is formed in the tail, close to the conveying shaft, of the shell, and the second discharging opening is communicated with the grinding space; and the driving motor can drive the material conveying shaft to rotate. According to the utility model, the recovery efficiency of the positive active material and graphite in the waste lithium battery material can be effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery crushing, in particular to a crushing machine. Background Art

[0002] Lithium battery is a battery composed of positive electrode sheet (aluminum), negative electrode sheet (copper), positive electrode active material, graphite and separator. Due to the high quality of high value-added metals in lithium batteries, they have extremely high recycling value. The commonly used recycling process is to disassemble the scrapped lithium batteries into waste lithium battery materials after recycling, and then enrich different components through crushing, sorting and other processes. Since the positive active materials in waste lithium battery materials are mainly attached to the positive electrode sheets, and graphite is mainly attached to the negative electrode sheets, traditional crushing equipment has poor desorption effect on positive active materials and graphite, and needs to be crushed multiple times. After crushing, additional sorting processes are required to separate the flake materials and granular materials, resulting in low recycling efficiency. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a disintegrator that can effectively improve the recovery efficiency of positive electrode active materials and graphite in waste lithium battery materials.

[0004] A dispersing machine according to an embodiment of the utility model comprises: a feed hopper; a dispersing machine body, comprising an outer shell and a filter screen cartridge, the filter screen cartridge being arranged in the outer shell, a material transfer shaft being rotatably arranged in the filter screen cartridge, filter holes being arranged on the filter screen cartridge, a reducing spiral piece being wound around the material transfer shaft in the length direction, the reducing spiral piece being able to transfer the material to the tail of the material transfer shaft, a grinding space being formed between the reducing spiral piece and the inner wall of the filter screen cartridge, the feed hopper being connected to the grinding space, a first discharge port being arranged at the bottom of the outer shell, a second discharge port being arranged at the tail of the outer shell near the transfer shaft, the second discharge port being connected to the grinding space; a driving motor being able to drive the transfer shaft to rotate.

[0005] A disintegrator according to an embodiment of the utility model has at least the following technical effects: when the disintegrator is in use, after adding waste lithium battery materials into a feed hopper, the drive motor is turned on, and the drive motor drives the material transfer shaft to rotate, thereby rotating the variable diameter spiral piece, and the waste lithium battery materials entering the grinding space from the feed hopper are conveyed to the tail of the material transfer shaft by the variable diameter spiral piece, while the positive electrode plate is rubbed by the variable diameter spiral piece and the inner wall of the filter screen so that the positive electrode active material attached thereto is stripped off and then flows out from the first discharge port after passing through the filter holes of the filter screen, and the graphite attached thereto is stripped off and then flows out from the first discharge port after passing through the filter holes of the filter screen under the friction of the variable diameter spiral piece and the inner wall of the filter screen, and the remaining flaky materials are conveyed to the tail of the material transfer shaft and flow out from the second discharge port, thereby achieving the purpose of recovering the positive electrode active materials and graphite from the waste lithium battery materials at one time, and effectively improving the recovery efficiency of the positive electrode active materials and graphite in the waste lithium battery materials.

[0006] According to some embodiments of the utility model, the variable diameter spiral sheet includes a first spiral sheet and a second spiral sheet, the first spiral sheet is fixedly wound on the material transfer shaft, and the second spiral sheet is adjustably installed on the first spiral sheet. By adjusting the installation position of the second spiral sheet on the first spiral sheet, the distance between the variable diameter spiral sheet and the inner wall of the filter screen cylinder can be adjusted, and at the same time, the size of the friction surface of the variable diameter spiral on the waste lithium battery material can be controlled, so as to better peel off the positive electrode active material and graphite from the positive electrode sheet and the negative electrode sheet.

[0007] According to some embodiments of the utility model, the first spiral piece and the second spiral piece are both provided with a first strip-shaped adjusting hole that can cooperate with each other, the first adjusting hole is provided with a first locking bolt, and the second spiral piece is adjustably locked on the first spiral piece by the first locking bolt. The second spiral piece is adjustably locked on the first spiral piece by the cooperation of the first locking bolt and the first adjusting hole, so that the variable diameter spiral piece can be adjusted according to different waste lithium battery materials.

[0008] According to some embodiments of the utility model, a strip-shaped baffle plate is fixedly arranged on the material transfer shaft along the length direction. The baffle plate can further increase the friction area, thereby achieving a better grinding and stripping effect on the waste lithium battery material, and further improving the recycling efficiency.

[0009] According to some embodiments of the utility model, the baffle plate includes a first baffle plate and a second baffle plate, the first baffle plate is fixedly arranged on the material transfer shaft, and the second baffle plate is adjustably arranged on the first baffle plate. By adjusting the installation position of the second baffle plate on the first baffle plate, the distance between the baffle plate and the inner wall of the filter screen cylinder can be adjusted, and at the same time, the size of the friction surface of the baffle plate on the waste lithium battery material can be controlled, and the variable diameter spiral sheet can be used to better realize the stripping of the positive electrode active material and graphite.

[0010] According to some embodiments of the utility model, the first baffle plate and the second baffle plate are both provided with strip-shaped second adjustment holes that can cooperate with each other, and a second locking bolt is provided in the second adjustment hole, and the second baffle plate is adjustably mounted on the first baffle plate through the second locking bolt. The second baffle plate is adjustably locked to the first baffle plate through the cooperation of the second locking bolt and the second adjustment hole, so that the baffle plate can be adjusted according to different waste lithium battery materials.

[0011] According to some embodiments of the utility model, the filter screen cylinder includes an inner screen cylinder and an outer screen cylinder, and the inner screen cylinder and the outer screen cylinder are both detachably arranged in the outer shell. According to the grinding requirements of the waste lithium battery material, the inner screen cylinder or the outer screen cylinder can be installed separately, so as to adjust the gap between the screen cylinder and the variable diameter spiral sheet, thereby adjusting the friction between the waste lithium battery material and the screen cylinder, so as to better peel off the active material and graphite from the positive electrode sheet and the negative electrode sheet.

[0012] According to some embodiments of the utility model, the filter holes are evenly dispersed on the filter screen, and the aperture of the filter holes increases in sequence along the direction of material transmission. After the waste lithium battery material enters the grinding space through the feed hopper, it is easier to lose powder as the grinding time increases during the transmission process. The aperture of the filter holes increases in sequence along the direction of material transmission to ensure that the powder can smoothly pass through the filter holes and flow out from the first discharge port during the material transmission process, ensuring the smooth discharge of the entire process of the equipment operation process and avoiding material blockage in the equipment.

[0013] According to some embodiments of the utility model, the feed hopper is arranged on the top of the housing, a feed port is arranged on the top of the feed hopper, the bottom of the feed hopper is connected to the grinding space through the filter screen, and a feeding screw is arranged in the feed hopper. After the waste lithium battery material is loaded into the feed hopper from the feed port, the waste lithium battery material in the feed hopper can be transported to the grinding space for grinding by starting the feeding screw.

[0014] According to some embodiments of the utility model, the filter screen cylinder is provided with an opening at one end near the second discharge port so that the second discharge port is connected to the grinding space. After the positive electrode active material and graphite in the waste lithium battery material are stripped, the remaining flake material is sent to the tail of the material transfer shaft and flows out from the second discharge port after passing through the opening of the filter screen cylinder.

[0015] According to some embodiments of the utility model, the pitch of the variable diameter spiral blade gradually increases along the direction of material transmission. After the waste lithium battery material is conveyed by the variable diameter spiral blade, the closer it is to the second discharge port, the greater the centrifugal force it is subjected to, and the crushed powder can be thrown onto the filter screen, which achieves the purpose of better separation of powder and solves the problem of material jamming by the variable diameter spiral blade.

[0016] According to some embodiments of the utility model, the feeding screw is controlled by frequency conversion, and the rotation speed of the feeding screw can be changed according to the real-time current of the driving motor to ensure that material jamming will not occur due to excessively fast material feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 A schematic diagram of an embodiment of the utility model;

[0019] Figure 2 It is a side schematic diagram of an embodiment of the utility model;

[0020] Figure 3 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0021] Figure 4 for Figure 3 Enlarged view of part A in the middle;

[0022] Figure 5 for Figure 3 Enlarged view of middle part B;

[0023] Figure 6 It is a cross-sectional schematic diagram of the main body of the disintegrator according to an embodiment of the utility model;

[0024] Figure 7 It is a schematic diagram of the material transfer shaft according to an embodiment of the utility model.

[0025] Reference numerals:

[0026] 100. Feed hopper; 101. Feed inlet; 102. Feeding screw;

[0027] 200. pulverizer body; 201. housing; 202. filter screen cylinder; 202a. inner screen cylinder; 202b. outer screen cylinder; 203. material transfer shaft; 204. filter hole; 205. variable diameter spiral sheet; 205a. first spiral sheet; 205b. second spiral sheet; 206. grinding space; 207. first discharge port; 208. second discharge port; 209. first adjustment hole; 210. first locking bolt; 211. baffle plate; 211a. first baffle plate; 211b. second baffle plate; 212. second adjustment hole; 213. second locking bolt; 214. discharge hopper; 215. discharge cylinder;

[0028] 300. Driving motor. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0032] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0033] Reference below Figures 1 to 7 A dispersing machine according to an embodiment of the utility model is described.

[0034] like Figures 1 to 3As shown, a dispersing machine according to an embodiment of the utility model comprises: a feed hopper 100, a dispersing machine body 200 and a driving motor 300, the dispersing machine body 200 comprises a housing 201 and a filter screen 202, the filter screen 202 is arranged in the housing 201, a material transfer shaft 203 is rotatably arranged in the filter screen 202, a filter hole 204 is arranged on the filter screen 202, a variable diameter spiral piece 205 is wound around the material transfer shaft 203 in the length direction, and the variable diameter spiral piece 205 can transfer the material to the tail of the material transfer shaft 203 A grinding space 206 is formed between the variable diameter spiral sheet 205 and the inner wall of the filter screen cylinder 202, the feed hopper 100 is connected with the grinding space 206, an inverted funnel-shaped discharge hopper 214 is provided at the bottom of the outer shell 201, a first discharge port 207 is provided at the bottom of the discharge hopper 214, a discharge cylinder 215 is provided at the tail of the outer shell 201 near the feeding shaft 203, a second discharge port 208 is provided at the tail of the discharge cylinder 215, and the second discharge port 208 is connected with the grinding space 206; the driving motor 300 can drive the feeding shaft 203 to rotate. When the disintegrator is in use, after adding the waste lithium battery material into the feed hopper 100, the drive motor 300 is turned on, and the drive motor 300 drives the material transfer shaft 203 to rotate, thereby rotating the variable diameter spiral piece 205. The waste lithium battery material entering the grinding space 206 from the feed hopper 100 is conveyed to the tail of the material transfer shaft 203 by the variable diameter spiral piece 205, and the positive electrode sheet is rubbed by the variable diameter spiral piece 205 and the inner wall of the filter screen 202, so that the positive electrode active material attached thereto is peeled off and then filtered by the filter screen 202. The negative electrode sheet flows out from the first discharge port 207 after passing through the hole 204. The graphite attached to the negative electrode sheet is peeled off due to the friction between the reducing spiral sheet 205 and the inner wall of the filter screen 202. The negative electrode sheet flows out from the first discharge port 207 after passing through the filter hole 204 of the filter screen 202. The remaining sheet material is sent to the tail of the conveying shaft 203 and flows out from the second discharge port 208. This can achieve the purpose of recovering the positive electrode active material and graphite from the waste lithium battery material at one time, and effectively improve the recovery efficiency of the positive electrode active material and graphite in the waste lithium battery material.

[0035] like Figure 3 , Figure 4 and Figure 6 As shown, in some specific embodiments of the present utility model, the variable diameter spiral piece 205 includes a first spiral piece 205a and a second spiral piece 205b, the first spiral piece 205a is fixedly wound on the material conveying shaft 203, and the second spiral piece 205b is adjustably installed on the first spiral piece 205a. By adjusting the installation position of the second spiral piece 205b on the first spiral piece 205a, the distance between the variable diameter spiral piece 205 and the inner wall of the filter screen cylinder 202 can be adjusted, and at the same time, the size of the friction surface of the variable diameter spiral 205 on the waste lithium battery material can be controlled, so as to better peel off the positive electrode active material and graphite from the positive electrode plate and the negative electrode plate.

[0036] In some specific embodiments of the utility model, the first spiral piece 205a and the second spiral piece 205b are both provided with a strip-shaped first adjustment hole 209 that can cooperate with each other, and a first locking bolt 210 is provided in the first adjustment hole 209, and the second spiral piece 205b is adjustably locked on the first spiral piece 205a through the first locking bolt 210. The second spiral piece 205b is adjustably locked on the first spiral piece 205a through the cooperation of the first locking bolt 210 and the first adjustment hole 209, so that the variable diameter spiral piece 205 can be adjusted according to different waste lithium battery materials.

[0037] like Figure 3 , Figure 5 and Figure 6 As shown, in some specific embodiments of the utility model, a strip-shaped baffle plate 211 is fixedly arranged along the length direction of the material transfer shaft 203. A plurality of baffle plates 211 are evenly arranged along the circumference of the material transfer shaft 203, and the baffle plates 211 can further increase the friction area, thereby achieving a better grinding and stripping effect on the waste lithium battery material, and further improving the recycling efficiency.

[0038] In some specific embodiments of the utility model, the baffle plate 211 includes a first baffle plate 211a and a second baffle plate 211b, wherein the first baffle plate 211a is fixedly arranged on the material transfer shaft 203, and the second baffle plate 211b is adjustably arranged on the first baffle plate 211a. By adjusting the installation position of the second baffle plate 211b on the first baffle plate 211a, the distance between the baffle plate 211 and the inner wall of the filter screen cylinder 202 can be adjusted, and at the same time, the size of the friction surface of the baffle plate 211 on the waste lithium battery material can be controlled, and the variable diameter spiral sheet 205 can be used to better realize the stripping of the positive electrode active material and graphite.

[0039] In some specific embodiments of the utility model, the first baffle plate 211a and the second baffle plate 211b are both provided with strip-shaped second adjustment holes 212 that can cooperate with each other, and the second adjustment holes 212 are provided with second locking bolts 213, and the second baffle plate 211b is adjustably mounted on the first baffle plate 211a through the second locking bolts 213. The second baffle plate 211b is adjustably locked on the first baffle plate 211a through the cooperation of the second locking bolts 213 and the second adjustment holes 212, so that the baffle plate can be adjusted according to different waste lithium battery materials.

[0040] In some specific embodiments of the present invention, the filter screen 202 includes an inner screen 202a and an outer screen 202b, and both the inner screen 202a and the outer screen 202b are detachably arranged in the housing 201. The inner screen 202a and the outer screen 202b are detachably connected to the inner side of the housing 201 by bolts, and the inner screen 202a or the outer screen 202b can be installed separately according to the grinding needs of the waste lithium battery material, so as to adjust the gap between the screen and the variable diameter spiral sheet 205, thereby adjusting the friction between the waste lithium battery material and the screen, so as to better peel off the active material and graphite from the positive electrode sheet and the negative electrode sheet.

[0041] In some specific embodiments of the utility model, the filter holes 204 are evenly dispersed on the filter screen 202, and the aperture of the filter holes 204 increases in sequence along the direction of material transmission. After the waste lithium battery material enters the grinding space 206 through the feed hopper 100, it is easier to lose powder as the grinding time increases during the transmission process. The aperture of the filter holes 204 increases in sequence along the direction of material transmission to ensure that the powder can smoothly pass through the filter holes 204 and then flow out from the first discharge port 207 during the material transmission process, ensuring the smooth discharge of the whole process during the operation of the equipment and avoiding material blockage in the equipment.

[0042] In some specific embodiments of the present invention, the feed hopper 100 is arranged on the top of the housing 201, a feed port 101 is arranged on the top of the feed hopper 100, a filter screen 202 is passed through the bottom of the feed hopper 100 to communicate with the grinding space 206, and a feeding screw 102 is arranged in the feed hopper 100. After the waste lithium battery material is loaded into the feed hopper 100 from the feed port 101, the feeding screw 102 is started to transport the waste lithium battery material in the feed hopper 100 to the grinding space 206 for grinding.

[0043] In some specific embodiments of the present invention, one end of the filter screen 202 near the second discharge port 208 is set to be open so that the second discharge port 208 is connected to the grinding space 206. After the positive electrode active material and graphite in the waste lithium battery material are stripped, the remaining flake material is sent to the tail of the material conveying shaft 203 and flows out from the second discharge port 208 after passing through the opening of the filter screen 202.

[0044] In some specific embodiments of the present invention, the pitch of the variable diameter spiral blade 205 gradually increases along the direction of material transmission. After the waste lithium battery material is transported by the variable diameter spiral blade 205, the closer it is to the second discharge port 208, the greater the centrifugal force it is subjected to, and the crushed powder can be thrown onto the filter screen 202, which not only achieves the purpose of better separation of powder, but also solves the problem of the variable diameter spiral blade 205 blocking the material.

[0045] In some specific embodiments of the present invention, the feeding screw 102 is controlled by frequency conversion, and the rotation speed of the feeding screw 102 can be changed according to the real-time current of the driving motor 300 to ensure that the material will not be stuck due to excessively fast feeding.

[0046] See also Figure 7 , it can be seen that the reducing spiral piece 205 and the material blocking plate 211, wherein the first locking bolt 210 and the second locking bolt 213 are omitted.

[0047] According to a dispersing machine of the present utility model, the specific implementation method is as follows:

[0048] (1) According to the material crushing requirements, the locking position of the second spiral sheet 205b on the first spiral sheet 205a and the locking position of the second baffle 211b on the first baffle 211a are adjusted, and the inner screen cylinder 202a or the outer screen cylinder 202b is installed separately to adjust the gap between the screen cylinder and the variable diameter spiral sheet 205;

[0049] (2) Start the drive motor 300 and the feeding screw 102, and let the waste lithium battery material enter the feed hopper 100 through the feed port 101, and then enter the grinding space 206 of the crusher body 200 under the action of the feeding screw 102. The feeding screw 102 is controlled by frequency conversion, and the speed of the feeding screw 102 can be changed according to the real-time current of the drive motor 300;

[0050] (3) After the waste lithium battery material enters the grinding space 206, the driving motor 300 drives the variable diameter spiral blade 205 to rotate at a high speed. Under the friction between the variable diameter spiral blade 205 and the baffle plate 211 and the inner wall of the filter screen cylinder 202, the powder and flakes in the waste lithium battery material are separated. The powder flows out from the filter hole 204 and then flows out through the first discharge port 207. The flakes are transported to the second discharge port 208 by the variable diameter spiral blade 205 and then flow out. A disintegrator according to an embodiment of the utility model has the following beneficial effects:

[0051] 1. The purpose of the utility model is to provide a device that has the functions of crushing, breaking up and separating and can adjust the aperture of the filter screen 202 and the gap between the filter screen 202 and the variable diameter spiral sheet 205 according to the material conditions;

[0052] 2. The filter screen 202 in the utility model is a modular screen that can be switched to screens with different apertures according to material requirements. The aperture of the filter screen 202 increases from feeding to discharging, ensuring the discharging of the entire process and avoiding material blockage in the equipment;

[0053] 3. The breaker in the utility model is equipped with an adjustable baffle plate 211. When the fineness of the powder is required to be higher, the width of the baffle plate 211 can be adjusted to increase the force area of ​​material crushing, thereby better crushing the material;

[0054] 4. The gap between the filter screen 202 and the variable diameter spiral sheet 205 in the utility model is adjustable. By adjusting the gap between the filter screen 202 and the variable diameter spiral sheet 205, the friction between the waste lithium battery material and the screen can be adjusted, so that the active material and graphite can be better peeled off from the positive electrode sheet (aluminum) and the negative electrode sheet (copper);

[0055] 5. The variable diameter spiral blade 205 used in the scattering machine of the present invention is a spiral blade with a pitch that becomes larger and larger along the direction of material transmission. The waste lithium battery material is subjected to a greater centrifugal force as it is transported by the variable diameter spiral blade 205 closer to the second discharge port 208, and the crushed powder can be thrown onto the filter screen 202, which not only achieves the purpose of better separation of powder, but also solves the problem of material jamming by the variable diameter spiral blade 205;

[0056] 6. The spiral blade height of the variable diameter spiral blade 205 in the present invention is adjustable. The spiral blade height and the height difference between the spiral blade and the material baffle plate 211 can be adjusted according to the material crushing conditions, so as to achieve a better material breaking effect.

[0057] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0058] Of course, the invention is not limited to the above-mentioned embodiments, and those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the invention, and these equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A dispersing machine, characterized in that: include: Feed hopper (100); The scattering machine body (200) comprises a housing (201) and a filter screen cartridge (202), wherein the filter screen cartridge (202) is arranged in the housing (201), a material transfer shaft (203) is rotatably arranged in the filter screen cartridge (202), a filter hole (204) is arranged on the filter screen cartridge (202), and a variable diameter spiral sheet (205) is wound around the material transfer shaft (203) in the length direction, and the variable diameter spiral sheet (205) can transfer the material to the material transfer shaft (203) at the rear end, a grinding space (206) is formed between the variable diameter spiral sheet (205) and the inner wall of the filter screen cylinder (202), the feed hopper (100) is connected to the grinding space (206), a first discharge port (207) is provided at the bottom of the shell (201), and a second discharge port (208) is provided at the rear end of the shell (201) near the material transfer shaft (203), and the second discharge port (208) is connected to the grinding space (206); The driving motor (300) can drive the material transfer shaft (203) to rotate.

2. A dispersing machine according to claim 1, characterized in that: The variable diameter spiral sheet (205) comprises a first spiral sheet (205a) and a second spiral sheet (205b), wherein the first spiral sheet (205a) is fixedly wound on the material transfer shaft (203), and the second spiral sheet (205b) is adjustably mounted on the first spiral sheet (205a).

3. A dispersing machine according to claim 2, characterized in that: The first spiral piece (205a) and the second spiral piece (205b) are both provided with strip-shaped first adjustment holes (209) that can cooperate with each other, and a first locking bolt (210) is provided in the first adjustment hole (209). The second spiral piece (205b) can be adjustably locked on the first spiral piece (205a) by the first locking bolt (210).

4. A dispersing machine according to claim 1, characterized in that: A long strip-shaped material blocking plate (211) is also fixedly arranged on the material transfer shaft (203) along the length direction.

5. A dispersing machine according to claim 4, characterized in that: The material baffle plate (211) comprises a first baffle plate (211a) and a second baffle plate (211b); the first baffle plate (211a) is fixedly arranged on the material transfer shaft (203); and the second baffle plate (211b) is adjustably arranged on the first baffle plate (211a).

6. A dispersing machine according to claim 5, characterized in that: The first baffle plate (211a) and the second baffle plate (211b) are both provided with strip-shaped second adjustment holes (212) that can cooperate with each other, and a second locking bolt (213) is provided in the second adjustment hole (212). The second baffle plate (211b) is adjustably mounted on the first baffle plate (211a) via the second locking bolt (213).

7. A dispersing machine according to claim 1, characterized in that: The filter sieve cylinder (202) comprises an inner sieve cylinder (202a) and an outer sieve cylinder (202b), and both the inner sieve cylinder (202a) and the outer sieve cylinder (202b) are detachably arranged in the outer shell (201).

8. A dispersing machine according to claim 1, characterized in that: The filter holes (204) are evenly dispersed on the filter screen cylinder (202), and the apertures of the filter holes (204) gradually increase along the direction of material transmission.

9. A dispersing machine according to claim 1, characterized in that: The feed hopper (100) is arranged at the top of the shell (201), and a feed port (101) is arranged at the top of the feed hopper (100). The bottom of the feed hopper (100) passes through the filter screen cylinder (202) and is connected to the grinding space (206). A feeding screw (102) is arranged in the feed hopper (100).

10. A dispersing machine according to claim 1, characterized in that: The pitch of the variable diameter spiral blade (205) gradually increases along the direction of material transmission.

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