A granulator for coating processing materials

Abstract

This invention relates to the technical field of crushing equipment, and in particular to a particle crusher for coating processing materials. Its features include a rotating turntable and a grinding disc, both with vertical axes and coaxiality. The turntable is planar, and the grinding disc is an upward-facing cone. The conical space of the grinding disc is used to store materials. The gap between the edge of the grinding disc and the turntable is used to screen materials that meet the requirements. A feed pipe for conveying materials into the grinding disc is provided in the center of the grinding disc, and multiple sets of pneumatic crushing units are installed on the feed pipe. By combining airflow crushing and grinding, multiple forms of thorough crushing of materials can be achieved, effectively improving the crushing effect. By using the combination of the turntable and grinding disc and utilizing the gap between the edges of the turntable and the grinding disc as a screening channel, the crushing and screening of materials can be carried out simultaneously, achieving a multi-functional integration.

Description

Technical Field

[0001] This invention relates to the technical field of crushing equipment, and in particular to a granulator for coating processing materials. Background Technology

[0002] In the coating manufacturing process, some materials such as pigments, fillers, and additives need to be pre-crushed to achieve an ideal particle size distribution, improve their dispersibility and mixing effect in the coating base, and thus improve the performance of the final coating product, such as color uniformity, gloss, hiding power, and adhesion.

[0003] Existing crushers generally use impact crushing to crush materials. This involves a rotating disc impacting the material, causing it to bounce back and strike the inner wall of the equipment, then rebound back onto the disc for further impact. This process achieves multiple crushing operations. However, while this method can crush materials multiple times, it still leaves behind larger particles. This crushing method cannot repeatedly crush larger particles that do not meet the requirements, and therefore cannot directly produce materials that meet the specifications. Summary of the Invention

[0004] To solve the above-mentioned technical problems, the present invention provides a particle crusher for coating processing materials, the specific technical solution of which is as follows:

[0005] A granular crusher for coating processing materials includes a rotating turntable and a grinding disc that rotate relative to each other. The axes of the turntable and the grinding disc are both vertical and coaxial with each other. The turntable is flat, and the grinding disc is an upward-facing cone. The conical space of the grinding disc is used to store materials. The gap between the edge of the grinding disc and the turntable is used to screen materials that meet the requirements. A feed pipe for conveying materials into the grinding disc is provided in the middle of the grinding disc. Multiple sets of pneumatic crushing units are provided on the feed pipe.

[0006] The pneumatic pulverizing unit includes an annular groove disposed on the outer wall of the feed pipe and communicating with the inside of the feed pipe. The cross-sectional shape of the annular groove is U-shaped, with the opening of the U-shape inclined downward and facing the axis of the feed pipe. Multiple nozzles are provided inside the annular groove, each nozzle inclined towards the axis of the feed pipe.

[0007] The high-speed airflow ejected from the nozzle toward the inside of the feed pipe impacts and crushes the material.

[0008] Furthermore, a narrowing throat is provided inside the nozzle, and a diffuser is provided at the output end of the nozzle, the diffuser being flat in shape;

[0009] The annular groove is fitted with an annular pipe, which is connected to each nozzle on the annular groove. Multiple annular pipes are connected to each other through a multi-port pipe.

[0010] Furthermore, a pressure ring is provided at the edge of the grinding disc. The pressure ring is horizontal, and a retaining ring is provided on the outside of the pressure ring. The retaining ring is provided with a support sleeve, and the pressure ring can slide vertically on the support sleeve.

[0011] The inner wall of the support sleeve is provided with ridges, which slide through the pressure ring.

[0012] Furthermore, multiple baffles are attached to the outer circumference of the turntable. The baffles seal part of the gap between the turntable and the retaining ring where the baffle is located. A support plate is fixed on the baffle. A rotating shaft is vertically rotatably inserted on the support plate. Gears are provided at both ends of the rotating shaft.

[0013] The turntable has a toothed groove on its outer circumference, and an inner toothed ring is provided on the support sleeve. One gear on the rotating shaft meshes with the toothed groove, and the other gear meshes with the inner toothed ring.

[0014] Furthermore, it also includes an outer casing located outside the turntable and the grinding disc. Both the upper and lower sides of the outer casing are tapered. The top of the feed pipe slides through the outer casing. The outer wall of the feed pipe is provided with ridges of the same structure. The ridges pass through the outer casing and slide relative to each other. The feed pipe rotates relative to the grinding disc.

[0015] The support plate slides vertically on the inner wall of the outer box. A threaded rod is screwed into the support plate, with the bottom of the threaded rod extending outside the outer box. The threaded rod is rotatably mounted on the outer box, and the threaded rod is fastened to the outer box by a lock nut.

[0016] The gear that meshes with the internal gear ring has two locking edges for locking the internal gear ring in place.

[0017] Furthermore, a vertical column is provided in the center of the turntable, a pusher is provided on the outer wall of the column, and a movable sleeve is slidably sleeved on the column. The top of the movable sleeve is fixed on the grinding disc. An annular groove is provided inside the movable sleeve. The annular groove is composed of two oblique grooves in opposite positions, and the pusher slides in the annular groove.

[0018] Furthermore, the bottom of the turntable is provided with a support ring and a main motor. Both the support ring and the main motor are fixed on the inner wall of the outer casing. The turntable rotates on the support ring, and the main motor provides power to the turntable.

[0019] Furthermore, a feed hopper is fixed to the top of the outer casing, and the bottom of the feed hopper is slidably inserted into the feed pipe.

[0020] The advantages of this invention are:

[0021] By combining airflow milling and rolling milling, materials can be fully milled in multiple forms, effectively improving the milling effect.

[0022] By using a combination of a turntable and a grinding disc, and utilizing the gap between the edges of the turntable and the grinding disc as a screening channel, the crushing and screening of materials can be carried out simultaneously, achieving a multi-functional effect. Furthermore, it only allows materials that meet the requirements to pass through, while materials that do not meet the requirements need to be continuously crushed between the turntable and the grinding disc, so that the crushed materials can directly meet the processing requirements.

[0023] By utilizing high-speed airflow, it is possible to achieve functions such as impact crushing of materials, auxiliary thrust during material crushing, and rapid blowing and cleaning of crushed materials. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the structure of the present invention;

[0026] Figure 2 yes Figure 1 Schematic diagram of the internal structure of the inner and outer casings;

[0027] Figure 3 yes Figure 2 A schematic diagram of the structure viewed from below;

[0028] Figure 4 yes Figure 2 Explosion structure diagram;

[0029] Figure 5 yes Figure 4 Enlarged structural schematic diagram of the left side view of the central millstone;

[0030] Figure 6 yes Figure 4 Enlarged schematic diagram of the central turntable structure;

[0031] Figure 7 yes Figure 4 Schematic diagram of the internal gear ring viewed from below;

[0032] Figure 8 yes Figure 5 A magnified view of the structure at point A in the middle;

[0033] Reference numerals: 1. Turntable; 2. Grinding disc; 3. Feed pipe; 4. Annular groove; 5. Spray pipe; 6. Reducing throat; 7. Diffusion hopper; 8. Annular pipe; 9. Multi-port pipe; 10. Pressure ring; 11. Retaining ring; 12. Support sleeve; 13. Baffle; 14. Support plate; 15. Rotating shaft; 16. Gear; 17. Internal gear ring; 18. Outer housing; 19. Threaded rod; 20. Lock nut; 21. Clamping edge; 22. Column; 23. Pulley; 24. Moving sleeve; 25. Inclined groove; 26. Support ring; 27. Main motor; 28. Feed hopper. Detailed Implementation

[0034] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0035] In the description of this invention, it should be noted that the orientations or positional relationships indicated by terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inner", and "outer" are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and 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. Therefore, they should not be construed as limitations on this invention.

[0036] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. This embodiment is written in a progressive manner.

[0037] like Figures 1 to 8 As shown, a paint processing material particle crusher of the present invention includes a rotating turntable 1 and a grinding disc 2 that rotate relative to each other. The axes of the turntable 1 and the grinding disc 2 are both vertical and coaxial with each other. The turntable 1 is a plane and the grinding disc 2 is an upward cone. The conical space of the grinding disc 2 is used to store materials. The gap between the edge of the grinding disc 2 and the turntable 1 is used to screen materials that meet the requirements. The middle part of the grinding disc 2 is provided with a feed pipe 3 for conveying materials into the grinding disc 2. Multiple sets of pneumatic crushing units are provided on the feed pipe 3.

[0038] The pneumatic pulverizing unit includes an annular groove 4 disposed on the outer wall of the feed pipe 3 and communicating with the inside of the feed pipe 3. The cross-sectional shape of the annular groove 4 is U-shaped, with the opening of the U-shape tilted downward and facing the axis of the feed pipe 3. Multiple nozzles 5 are provided inside the annular groove 4, and each nozzle 5 is tilted towards the axis of the feed pipe 3.

[0039] Among them, the high-speed airflow ejected from the nozzle 5 toward the inside of the feed pipe 3 impacts and crushes the material.

[0040] In detail, the turntable 1, grinding disc 2, and feed pipe 3 are coaxial. An annular groove with a radius larger than the feed pipe 3's inner wall is formed, known as the annular groove 4. Because the annular groove 4 is inclined, material cannot remain within it, thus preventing material accumulation. The spray nozzle 5 is also inclined, allowing the high-speed airflow from it to flow downwards into the feed pipe 3 and then into the grinding disc 2. The high-speed airflow within the grinding disc 2 can exit through the gap between the turntable 1 and the edge of the grinding disc 2. This allows the pulverized material to quickly pass through the gap between the turntable 1 and the grinding disc 2, preventing it from accumulating space. Simultaneously, the airflow converges within the feed pipe 3, impacting the falling material. This allows the material particles to undergo repeated collisions, shearing, and... Friction causes the material to be crushed. As the rotating disc 1 and the grinding disc 2 rotate relative to each other, the material falling onto the rotating disc 1 is subjected to centrifugal force and moves towards the gap between the edges of the rotating disc 1 and the grinding disc 2. This avoids the accumulation of material on the rotating disc 1. At the same time, due to the shape of the grinding disc 2, the height difference between the rotating disc 1 and the grinding disc 2 is smaller the farther away from the axis of the rotating disc 1. That is, the space between the rotating disc 1 and the grinding disc 2 is smaller. In this way, the material is automatically squeezed into the space between the rotating disc 1 and the grinding disc 2 under the action of centrifugation. With the relative movement of the rotating disc 1 and the grinding disc 2, the material is crushed and pulverized. At the same time, the high-speed airflow can also help the material move quickly towards the gap, making it easier to apply an auxiliary thrust towards the gap, thereby accelerating the crushing speed. When the material is crushed to the specified size, it can pass through the gap between the edges of the rotating disc 1 and the grinding disc 2 and be discharged, thus completing the crushing work.

[0041] It should be noted that when high-speed airflow is generated, it needs to undergo filtration, cooling, and drying to ensure that the airflow is clean and dry and to avoid contaminating the materials.

[0042] By combining airflow pulverization and grinding, materials can be thoroughly pulverized in multiple ways, effectively improving the pulverization effect. By using a combination of rotating disc 1 and grinding disc 2, and utilizing the gap between the edges of rotating disc 1 and grinding disc 2 as a screening channel, the crushing and screening of materials can be carried out simultaneously, achieving a multi-functional effect. Only materials that meet the requirements are allowed to pass through, while materials that do not meet the requirements need to be continuously crushed between rotating disc 1 and grinding disc 2. This ensures that the pulverized materials can directly meet the processing requirements. By utilizing high-speed airflow, the system can achieve impact crushing of materials, auxiliary thrust during material crushing, and rapid blowing and cleaning of pulverized materials.

[0043] Furthermore, a narrowing throat 6 is provided inside the nozzle 5, and a diffuser 7 is provided at the output end of the nozzle 5. The diffuser 7 is flat in shape.

[0044] The annular groove 4 is fitted with an annular pipe 8, which is connected to each nozzle 5 on the annular groove 4. Multiple annular pipes 8 are connected to each other by a multi-port pipe 9.

[0045] In detail, the narrow-diameter throat 6 is located near the output end of the nozzle 5, and the flat diffuser 7 is perpendicular to the axis of the feed pipe 3. In this way, when air is discharged through the nozzle 5 and the diffuser 7, the air can diffuse over a large area and fill the cross-sectional area of ​​the feed pipe 3. This allows the material passing through the feed pipe 3 to be impacted by the high-speed airflow.

[0046] When the airflow in nozzle 5 passes through the narrowing throat 6, the airflow space is reduced in the first half of the narrowing throat 6 due to the smaller diameter in the middle. The air is compressed and its velocity increases. When the air passes through the narrowest point in the middle of the narrowing throat 6 and enters the second half, the total energy of the fluid, including static pressure energy, kinetic energy, and potential energy, should remain constant during the passage through the narrowing throat 6, since no external force does work under ideal conditions. However, in the second half of the narrowing throat 6, the cross-sectional area of ​​the fluid gradually increases, which means that the pressure per unit area decreases. According to Bernoulli's theorem, as the velocity increases, static pressure energy is converted into more kinetic energy, thereby further accelerating the airflow. When the air enters the diffuser 7, since the diffuser 7 has a larger space than nozzle 5, the air will be accelerated again according to the above principle. This enables multi-stage acceleration of the air, resulting in a stronger impact force of the air on the material, thereby further improving the material crushing effect.

[0047] External air can be pumped into each annular pipe 8 through the multi-port pipe 9, and the air in the annular pipe 8 can enter the nozzle 5.

[0048] Furthermore, a pressure ring 10 is provided at the edge of the grinding disc 2. The pressure ring 10 is horizontal, and a retaining ring 11 is provided on the outside of the pressure ring 10. The retaining ring 11 is provided with a support sleeve 12, and the pressure ring 10 can slide vertically on the support sleeve 12.

[0049] The inner wall of the support sleeve 12 is provided with ridges, which slide through the pressure ring 10.

[0050] In detail, the pressure ring 10 is located at the bottom edge of the grinding disc 2. The pressure ring 10, the retaining ring 11 and the turntable 1 are mutually compatible. The retaining ring 11 is fixed in position, and the pressure ring 10 can slide vertically on the support sleeve 12. Therefore, both the grinding disc 2 and the feed pipe 3 can move in the vertical direction.

[0051] When the material is crushed in the grinding disc 2, the grinding disc 2 and the pressure ring 10 on it vibrate up and down. At this time, the inner wall of the grinding disc 2 and the pressure ring 10 can crush the material on the turntable 1 by impact. That is, the material is subjected to the dual crushing work of crushing by crushing and impact. The crushed material can be screened and discharged through the gap between the retaining ring 11 and the turntable 1. The support sleeve 12 is used to support the pressure ring 10. The ridge on the support sleeve 12 can ensure that the retaining ring 11, the support sleeve 12, the pressure ring 10 and the grinding disc 2 rotate synchronously.

[0052] Furthermore, multiple baffles 13 are attached to the outer circumference of the turntable 1. The baffles 13 seal the gap between the turntable 1 and the retaining ring 11 where the baffles 13 are located. A support plate 14 is fixed on the baffles 13. A rotating shaft 15 is vertically rotatably inserted on the support plate 14. Gears 16 are provided at both ends of the rotating shaft 15.

[0053] The turntable 1 has a toothed groove on its outer circumference, and the support sleeve 12 has an inner toothed ring 17. One gear 16 on the rotating shaft 15 meshes with the toothed groove, and the other gear 16 meshes with the inner toothed ring 17.

[0054] In detail, the baffle 13 is used to shield the support plate 14, the rotating shaft 15 and the gear 16 on it, and the baffle 13 seals the gap between the turntable 1 and the retaining ring 11 to prevent the crushed material from affecting the transmission operation of the gear 16, the tooth groove and the internal tooth ring 17.

[0055] When turntable 1 rotates, it can drive the internal gear ring 17 to rotate through the rotating shaft 15 and two gears 16, thereby driving the support sleeve 12 to rotate, so that the grinding disc 2 and turntable 1 can rotate synchronously relative to each other.

[0056] Furthermore, it also includes an outer box 18 located outside the turntable 1 and the grinding disc 2. The upper and lower sides of the outer box 18 are both tapered. The top of the feed pipe 3 slides through the outer box 18. The outer wall of the feed pipe 3 is provided with ridges of the same structure. The ridges pass through the outer box 18 and slide relative to each other. The feed pipe 3 rotates relative to the grinding disc 2.

[0057] The support plate 14 slides vertically on the inner wall of the outer housing 18. A threaded rod 19 is screwed through the support plate 14. The bottom of the threaded rod 19 extends beyond the outer housing 18 and is rotatably mounted on the outer housing 18. The threaded rod 19 and the outer housing 18 are fastened together by a lock nut 20.

[0058] Among them, the gear 16 that meshes with the internal gear ring 17 is provided with two retaining edges 21 for locking the internal gear ring 17.

[0059] In detail, the outer end of the support plate 14 is vertically slidably installed on the inner wall of the outer casing 18. When the grinding disc 2 rotates, the grinding disc 2 and the feed pipe 3 rotate relative to each other. When the grinding disc 2 moves up and down, the grinding disc 2 drives the feed pipe 3 and the edge on the feed pipe 3 to slide on the outer casing 18. The edge on the feed pipe 3 limits the movement of the feed pipe 3. The two retaining edges on the gear 16 that meshes with the internal gear ring 17 can lock the position of the internal gear ring 17, so that the internal gear ring 17 and the gear 16 remain in a meshing state. When it is necessary to adjust the gap between the retaining ring 11 and the turntable 1, the height position of the support plate 14 can be adjusted by rotating the threaded rod 19, that is, the height positions of the baffle 13, the support plate 14, the support sleeve 12 and the retaining ring 11 can be adjusted, thereby adjusting the screening accuracy. The lock nut 20 can lock the threaded rod 19.

[0060] The material enters the space between the turntable 1 and the grinding disc 2 through the feed pipe 3 for crushing. The crushed material is discharged into the outer box 18 due to centrifugal force and is discharged through the opening at the bottom of the outer box 18.

[0061] Furthermore, a vertical column 22 is provided in the middle of the turntable 1, a deflector 23 is provided on the outer wall of the column 22, and a movable sleeve 24 is slidably sleeved on the column 22. The top of the movable sleeve 24 is fixed on the grinding disc 2. An annular groove is provided inside the movable sleeve 24. The annular groove is composed of two oblique grooves 25 with opposite positions, and the deflector 23 slides in the annular groove.

[0062] In detail, the turntable 1 and the grinding disc 2 are connected by a column 22, a deflector 23, a movable sleeve 24 and an inclined groove 25. When the turntable 1 and the grinding disc 2 rotate relative to each other, the column 22 drives the deflector 23 to move between the two inclined grooves 25 in the annular groove. Due to the limitation of the shape of the inclined groove 25, the movable sleeve 24 can move up and down on the column 22 with the help of the deflector 23, thereby driving the grinding disc 2 to move up and down, thus providing power for the impact crushing work of the grinding disc 2.

[0063] Furthermore, the bottom of the turntable 1 is provided with a support ring 26 and a main motor 27. Both the support ring 26 and the main motor 27 are fixed on the inner wall of the outer housing 18. The turntable 1 rotates on the support ring 26, and the main motor 27 provides power to the turntable 1.

[0064] In detail, the support ring 26 can provide support for the turntable 1, and the main motor 27 can provide rotational power for the turntable 1. In order to avoid the support ring 26 and the main motor 27 from obstructing the crushed material, the support ring 26 and the outer box 18 and the main motor 27 can be connected by means of support legs.

[0065] Furthermore, a feed hopper 28 is fixed to the top of the outer casing 18, and the bottom of the feed hopper 28 is slidably inserted into the feed pipe 3.

[0066] In detail, since the feed pipe 3 is in a state of up-and-down vibration, it is not easy to feed materials in this state. Therefore, it is necessary to use the feed hopper 28 to connect the feed pipe 3 so that the materials can enter the feed pipe 3 smoothly. When the feed pipe 3 is moving, the feed hopper 28 is stationary.

[0067] 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 scope of protection of the present invention.

Claims

1. A paint processing material particle pulverizer characterized by, The utility model relates to a kind of rotary drum and mill plate, rotary drum (1) and mill plate (2) are coaxial, rotary drum (1) is plane, mill plate (2) is upwardly tapered, and the tapered space of mill plate (2) is used to store material, the gap between mill plate (2) edge and rotary drum (1) is used to screen qualified material, mill plate (2) middle part is equipped with the feed pipe (3) for conveying material into mill plate (2), and multiple pneumatic crushing units are arranged on the feed pipe (3). The pneumatic crushing unit includes an annular groove (4) arranged on the outer wall of the feed pipe (3) and communicating with the inside of the feed pipe (3), the cross-sectional shape of the annular groove (4) is U-shaped, the opening of the U-shaped is inclined downward and towards the axis of the feed pipe (3), and multiple spray pipes (5) are arranged in the annular groove (4), each spray pipe (5) is inclined towards the axis of the feed pipe (3). The high-speed airflow sprayed by the spray pipe (5) towards the inside of the feed pipe (3) impacts and breaks the material. The spray pipe (5) is provided with a reduced-throat pipe (6) and a diffusion hopper (7) at the output end of the spray pipe (5), and the diffusion hopper (7) is flat. The annular groove (4) is provided with an annular tube (8), the annular tube (8) communicates with each spray pipe (5) on the annular groove (4), and multiple annular tubes (8) are connected by a multi-way pipe (9). The edge of the mill plate (2) is provided with a compression ring (10), the compression ring (10) is horizontally arranged, the outer side of the compression ring (10) is provided with a blocking ring (11), the blocking ring (11) is provided with a support sleeve (12), and the compression ring (10) can vertically slide on the support sleeve (12). The inner wall of the support sleeve (12) is provided with a ridge, and the ridge slides through the compression ring (10). The circumferential outer wall of the rotary drum (1) is attached with multiple baffles (13), the baffles (13) block the gap between the rotary drum (1) and the blocking ring (11), the baffles (13) are fixed with support plates (14), the support plates (14) are vertically rotatably inserted with shafts (15), and gears (16) are arranged at both ends of the shafts (15). The circumferential outer wall of the rotary drum (1) is provided with a gear slot, the support sleeve (12) is provided with an internal gear ring (17), one of the gears (16) on the shaft (15) engages with the gear slot, and the other gear (16) engages with the internal gear ring (17). The utility model also includes an outer box (18) located outside the rotary drum (1) and the mill plate (2), the upper and lower sides of the outer box (18) are tapered, the top of the feed pipe (3) slides through the outer box (18), the outer wall of the feed pipe (3) is provided with the same structure ridge, the ridge slides through the outer box (18), and the feed pipe (3) rotates relative to the mill plate (2). The support plate (14) vertically slides on the inner wall of the outer box body (18), threaded rods (19) are screwed through the support plate (14), the bottom of the threaded rods (19) extends out of the outer box body (18), and the threaded rods (19) are rotatably installed on the outer box body (18); the threaded rods (19) and the outer box body (18) are fastened and connected through lock nuts (20); The gear (16) engaged with the inner tooth ring (17) is provided with two clamping edges (21) for clamping the inner tooth ring (17).

2. A paint processing material particle grinder according to claim 1, characterized by The middle part of the rotary disc (1) is vertically provided with a stand column (22), the outer wall of the stand column (22) is provided with a pushing column (23), a moving sleeve (24) is slidably sleeved on the stand column (22), the top of the moving sleeve (24) is fixed on the grinding disc (2), an annular groove two is formed in the moving sleeve (24), the annular groove two is composed of two oppositely-arranged inclined grooves (25), and the pushing column (23) slides in the annular groove two.

3. A paint processing material particle grinder according to claim 2, wherein The bottom of the rotary disc (1) is provided with a support ring (26) and a main motor (27), the support ring (26) and the main motor (27) are fixed on the inner wall of the outer box body (18), the rotary disc (1) rotates on the support ring (26), and the main motor (27) provides power for the rotary disc (1).

4. A paint processing material particle grinder according to claim 3, wherein The top of the outer box body (18) is fixedly provided with a feeding hopper (28), and the bottom of the feeding hopper (28) is slidably inserted into the feeding pipe (3).

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