A sand mill for ultrafine materials

Abstract

The utility model discloses a sand mill for superfine material, which aims to solve the problems of uneven grinding, poor cooling and poor feeding and discharging of the existing sand mill. The sand mill comprises a sand mill body, a gear box arranged on the front side of the sand mill body, a mounting disc arranged on the rear side of the sand mill body, a transmission motor arranged on the left side of the sand mill body, a feeding pump arranged on the top of the sand mill body, a feeding hose matched with the feeding pump, a discharging pump arranged on the right side of the sand mill body, a discharging hose matched with the discharging pump, a cooling pipe arranged outside the grinding cavity, an inlet water pipe and an outlet water pipe combined with the cooling pipe to realize cooling, a ball-shaped sand mill body and a grinding rotor, and an annular array stirring rod matched with the sand mill body. The sand mill improves the grinding efficiency and quality, enhances the stability and flexibility of the equipment, and has a good application prospect.

Description

Technical Field

[0001] This utility model belongs to the technical field of material grinding, specifically relating to a sand mill for ultrafine materials. Background Technology

[0002] Sand mills are widely used grinding and dispersing equipment in many industries such as coatings, inks, pigments, dyes, pharmaceuticals, and food. They mainly rely on the grinding media to fully rub and collide with the materials in the high-speed rotating grinding chamber, thereby grinding the solid particles in the materials to a finer particle size, achieving the purpose of refining and uniformly dispersing the materials, thereby improving the quality of the materials and meeting the requirements of subsequent production processing and product performance. Sand mills usually have good sealing performance, can adapt to the processing of materials with different viscosity ranges, and have different specifications and types to adapt to diverse production scales and process requirements.

[0003] However, existing sand mills rely on the grinding media to fully rub and collide with the material in the high-speed rotating grinding chamber, thereby grinding the solid particles in the material to a finer particle size. However, the main body of the mill will have dead corners, resulting in a longer grinding time and affecting production efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a sand mill for ultrafine materials, in order to solve the problem mentioned in the background art that existing sand mills rely on the grinding media to fully rub and collide with the material in a high-speed rotating grinding chamber to grind the solid particles in the material to a finer particle size. However, the main body of the grinding mill will generate dead corners, resulting in a long grinding time and affecting production efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a sand mill for ultrafine materials, comprising a sand mill body;

[0006] A grinding chamber is provided inside the main body of the sand mill, a grinding rotor is provided inside the grinding chamber, and grinding balls are filled inside the grinding chamber.

[0007] A gearbox is located at the front of the main body of the sand mill, an installation plate is located at the rear of the main body of the sand mill, and a drive motor is located on the left side of the gearbox.

[0008] Preferably, a feed pump is provided at the top of the gearbox, a feed hose is provided at the top of the feed pump, a discharge pump is provided at the right side of the mounting plate, and a discharge hose is provided at the rear side of the discharge pump.

[0009] Preferably, a cooling pipe is provided on the outer side of the grinding chamber, a water inlet pipe is provided on the upper right side of the mounting plate, and a water outlet pipe is provided on the lower right side of the mounting plate.

[0010] Preferably, the main body of the sand mill and the grinding rotor are spherical structures, and stirring rods are arranged in a ring array on the outer side of the grinding rotor.

[0011] Preferably, a discharge screen is provided at the front side of the mounting plate, and the rear side of the discharge screen is connected to the discharge pump.

[0012] Preferably, an external tooth is provided at the middle position inside the gearbox, a fixed tube is provided at the bottom position of the external tooth, a feed tube is provided inside the fixed tube, and a transmission gear is provided at the bottom position of the transmission motor.

[0013] Preferably, the fixed tube is fixedly connected to the grinding rotor, the transmission gear is meshed with the external gear, a bearing is provided on the inner side of the fixed tube, and the fixed tube and the feed tube are rotatably connected through the bearing.

[0014] Preferably, a mounting box is provided at the rear of the main body of the sand mill, and a gripper is provided at the front of the mounting box. The gripper is fixedly connected to the main body of the sand mill, and the gripper can rotate 0-30 degrees with the mounting box.

[0015] Compared with the prior art, this utility model provides a sand mill for ultrafine materials, which has the following beneficial effects:

[0016] The sand mill features a mounting plate, feed pump, feed hose, discharge pump, discharge hose, cooling pipe, water inlet pipe, water outlet pipe, stirring rod, and discharge screen. The gearbox on the front of the main body works in conjunction with the drive motor on the left. The gearbox's internal structure effectively transmits power, ensuring the drive motor stably drives subsequent components and guarantees the overall stability of the sand mill's operation. The feed pump at the top of the gearbox connects to the feed hose, allowing precise control of the feed rate and speed, smoothly conveying the material to the grinding chamber. The discharge pump on the right side of the mounting plate, working with the discharge hose, quickly discharges the ground material, reducing its residence time in the grinding chamber and improving production efficiency. The grinding chamber is equipped with... The cooling pipes, combined with the water inlet pipe on the upper right side of the mounting plate and the water outlet pipe on the lower side, form an efficient cooling circulation system. This system can promptly remove the heat generated during grinding, preventing the grinding chamber temperature from becoming too high and affecting the grinding effect and equipment lifespan. The main body of the sand mill and the grinding rotor adopt a spherical structure, with stirring rods arranged in a ring array on the outer side of the grinding rotor. This design allows the grinding rotor to more evenly stir the material and grinding balls in the grinding chamber during rotation, thereby improving the grinding uniformity and grinding efficiency. The discharge screen on the front side of the mounting plate is connected to the discharge pump. The discharge screen can screen the ground material, preventing insufficiently ground particles and grinding balls from entering the discharge pipe and ensuring the quality of the output.

[0017] Through the arrangement of gearbox, external gear, fixed tube, feed tube, transmission gear, and bearings, the transmission gear at the bottom of the transmission motor meshes with the external gear in the middle of the gearbox. This gear transmission method can accurately and efficiently transmit the power of the transmission motor to the external gear, thereby driving the fixed tube fixedly connected to the bottom of the external gear and the grinding rotor to rotate stably. This ensures a stable power supply during the grinding process of the sand mill, effectively reduces energy loss and transmission errors during power transmission, and improves the overall stability and reliability of the equipment. The fixed tube and the feed tube are rotatably connected by bearings. When the fixed tube rotates at high speed with the external gear, the feed tube can remain relatively stationary. This ensures that the feeding process is not disturbed by the rotation of the grinding rotor, and the material can continuously and stably enter the grinding chamber through the feed tube. This unique design avoids problems such as poor material conveying and blockage that may occur due to the feed tube rotating with the external gear, ensuring the continuity and stability of the feeding, which is conducive to improving the grinding efficiency and product quality of the sand mill. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the grinding rotor in this utility model.

[0020] Figure 3 This is a schematic diagram of the gearbox structure in this utility model.

[0021] Figure 4 This is a schematic diagram of the mounting box in this utility model.

[0022] In the diagram: 1. Main body of the sand mill; 2. Feed hose; 3. Feed pump; 4. Drive motor; 5. Gearbox; 6. Mounting box; 7. Clamp; 8. Grinding chamber; 9. Cooling pipe; 10. Water outlet pipe; 11. Discharge hose; 12. Discharge pump; 13. Water inlet pipe; 14. Mounting plate; 15. Discharge screen; 16. Grinding rotor; 17. Fixed pipe; 18. Feed pipe; 19. Stirring rod; 20. External gear; 21. Bearing; 22. Drive gear. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] This utility model provides, for example Figure 1-4 The sand mill shown includes a sand mill body 1 for ultrafine materials;

[0025] A grinding chamber 8 is provided inside the main body 1 of the sand mill, a grinding rotor 16 is provided inside the grinding chamber 8, and grinding balls are filled inside the grinding chamber 8.

[0026] A gearbox 5 is located at the front of the main body 1 of the sand mill, an installation plate 14 is located at the rear of the main body 1 of the sand mill, and a drive motor 4 is located on the left side of the gearbox 5.

[0027] A feed pump 3 is installed at the top of the gearbox 5, and a feed hose 2 is installed at the top of the feed pump 3. A discharge pump 12 is installed on the right side of the mounting plate 14, and a discharge hose 11 is installed on the rear side of the discharge pump 12.

[0028] A cooling pipe 9 is provided on the outer side of the grinding chamber 8, a water inlet pipe 13 is provided on the upper right side of the mounting plate 14, and a water outlet pipe 10 is provided on the lower right side of the mounting plate 14.

[0029] The main body 1 and grinding rotor 16 of the sand mill are spherical structures, and stirring rods 19 are arranged in a ring array on the outer side of the grinding rotor 16.

[0030] A discharge screen 15 is provided at the front of the mounting plate 14, and the rear of the discharge screen 15 is connected to the discharge pump 12.

[0031] An external gear 20 is provided in the middle of the gearbox 5, a fixed tube 17 is provided at the bottom of the external gear 20, a feed tube 18 is provided inside the fixed tube 17, and a transmission gear 22 is provided at the bottom of the transmission motor 4.

[0032] The fixed tube 17 is fixedly connected to the grinding rotor 16, the transmission gear 22 is meshed with the external gear 20, and a bearing 21 is provided on the inner side of the fixed tube 17. The fixed tube 17 and the feed tube 18 are rotatably connected through the bearing 21.

[0033] A mounting box 6 is provided at the rear of the main body 1 of the sand mill, and a clamp 7 is provided at the front of the mounting box 6. The clamp 7 is fixedly connected to the main body 1 of the sand mill, and the clamp 7 and the mounting box 6 can rotate from 0 to 30 degrees.

[0034] In this embodiment, the specific implementation steps of a sand mill for ultrafine materials are as follows: The main body 1 of the sand mill is fixed in a suitable working position by the clamps 7 on the rear mounting box 6, which can rotate from 0 to 30 degrees, and the angle is adjusted. The connections of each component are checked for firmness, such as the connection between the feed pump 3 and the feed hose 2, the discharge pump 12 and the discharge hose 11, the cooling pipe 9 and the water inlet pipe 13 and the water outlet pipe 10, etc. An appropriate amount of grinding balls is filled into the grinding chamber 8. The drive motor 4 is started, and the drive gear 22 at the bottom of the drive motor 4 meshes with the external gear 20 in the middle position inside the gearbox 5, driving the grinding rotor 16, which is connected to the fixed pipe 17 at the bottom of the external gear 20, to start rotating. The feed pump 3 is started, and the material enters the feed pipe 18 inside the gearbox 5 through the feed hose 2. Since the fixed pipe 17 and the feed pipe 18 are rotatably connected by the bearing 21, the feed pipe 18 moves within the fixed pipe 17. When stationary, the material enters the grinding chamber 8 through the feed pipe 18. The grinding rotor 16 rotates at high speed in the grinding chamber 8, and the stirring rods 19 arranged in a ring array on its outer side stir and impact the material and grinding balls in the grinding chamber to achieve grinding of the material. At the same time, the cooling system starts to work. Coolant flows from the water inlet pipe 13 above the right side of the mounting plate 14 into the cooling pipe 9 outside the grinding chamber 8 to cool the grinding chamber 8 and remove the heat generated during the grinding process. The coolant then flows out from the water outlet pipe 10 below the right side of the mounting plate 14. After the material is stirred in the grinding chamber 8 to meet the requirements, the discharge pump 12 is started. The material passes through the discharge screen 15 on the front side of the mounting plate 14. The discharge screen 15 screens the material to prevent large particles and grinding balls that are not fully ground from entering the discharge pump 12. Then the material is discharged from the sand mill through the discharge hose 11 via the discharge pump 12.

[0035] like Figure 1-3As shown, a gearbox 5 is located at the front of the main body 1 of the sand mill, an mounting plate 14 is located at the rear of the main body 1 of the sand mill, a drive motor 4 is located on the left side of the gearbox 5, a feed pump 3 is located at the top of the gearbox 5, a feed hose 2 is located at the top of the feed pump 3, a discharge pump 12 is located on the right side of the mounting plate 14, a discharge hose 11 is located at the rear of the discharge pump 12, a cooling pipe 9 is located on the outside of the grinding chamber 8, a water inlet pipe 13 is located on the upper right side of the mounting plate 14, and a water outlet pipe 10 is located on the lower right side of the mounting plate 14. The main body 1 of the sand mill and the grinding rotor 16 are spherical structures. A stirring rod 19 is arranged in a ring array on the outside of the grinding rotor 16. A discharge screen 15 is located at the front of the mounting plate 14, and the rear of the discharge screen 15 is connected to the discharge pump 12.

[0036] Preferably, the gearbox 5 on the front side of the main body 1 of the sand mill cooperates with the drive motor 4 on the left side. The structure inside the gearbox 5 can effectively transmit power, enabling the drive motor 4 to stably drive the subsequent components and ensure the overall stability of the sand mill operation. The feed pump 3 on the top of the gearbox 5 is connected to the feed hose 2, which can accurately control the feed amount and feed speed, and smoothly transport the material to the grinding chamber. The discharge pump 12 on the right side of the mounting plate 14 cooperates with the discharge hose 11 to quickly discharge the ground material, reduce the residence time of the material in the grinding chamber, and improve production efficiency. The cooling pipe 9 set on the outside of the grinding chamber 8, combined with the water inlet pipe 13 on the upper right side of the mounting plate 14 and the lower... The water outlet pipe 10 forms an efficient cooling circulation system, which can promptly remove the heat generated during grinding, preventing the grinding chamber temperature from being too high and affecting the grinding effect and equipment life. The main body 1 of the sand mill and the grinding rotor 16 adopt a spherical structure. The grinding rotor 16 is equipped with a ring array of stirring rods 19 on its outer side. This design allows the grinding rotor 16 to stir the material and grinding balls in the grinding chamber more evenly when rotating, thereby improving the grinding uniformity and grinding efficiency. The discharge screen 15 on the front side of the mounting plate 14 is connected to the discharge pump 12. The discharge screen 15 can screen the ground material to prevent insufficiently ground particles and grinding balls from entering the discharge pipe and ensure the quality of the output.

[0037] like Figure 1 and Figure 4 As shown, an external tooth 20 is provided in the middle position inside the gearbox 5, a fixed tube 17 is provided at the bottom position of the external tooth 20, a feed tube 18 is provided inside the fixed tube 17, a transmission gear 22 is provided at the bottom position of the transmission motor 4, the fixed tube 17 is fixedly connected to the grinding rotor 16, the transmission gear 22 is meshed with the external tooth 20, a bearing 21 is provided on the inner side of the fixed tube 17, and the fixed tube 17 and the feed tube 18 are rotatably connected through the bearing 21.

[0038] Preferably, the transmission gear 22 at the bottom of the transmission motor 4 meshes with the external gear 20 in the middle of the gearbox 5. This gear transmission method can accurately and efficiently transmit the power of the transmission motor 4 to the external gear 20, thereby driving the fixed pipe 17 fixedly connected to the bottom of the external gear 20 and the grinding rotor 16 to rotate stably. This ensures a stable power supply during the grinding process of the sand mill, effectively reduces energy loss and transmission errors during power transmission, and improves the overall stability and reliability of the equipment. The fixed pipe 17 and the feed pipe 18 are rotatably connected through the bearing 21. When the fixed pipe 17 rotates at high speed with the external gear 20, the feed pipe 18 can remain relatively stationary. This ensures that the feeding process is not disturbed by the rotation of the grinding rotor 16, and the material can continuously and stably enter the grinding chamber through the feed pipe 18. This unique design avoids problems such as poor material conveying and blockage that may occur due to the rotation of the feed pipe 18, ensuring the continuity and stability of the feeding, which is conducive to improving the grinding efficiency and product quality of the sand mill.

[0039] like Figure 1-4 As shown, a mounting box 6 is provided at the rear of the main body 1 of the sand mill, and a clamp 7 is provided at the front of the mounting box 6. The clamp 7 is fixedly connected to the main body 1 of the sand mill, and the clamp 7 and the mounting box 6 can rotate from 0 to 30 degrees.

[0040] Optionally, a box 6 is provided on the rear side of the sand mill body 1 and a clamp 7 is provided on the front side. The clamp 7 is fixedly connected to the sand mill body 1 and can rotate 0-30 degrees with the box 6. This allows the angle of the sand mill body 1 to be flexibly adjusted according to the actual installation environment and usage requirements when installing the sand mill. For example, in different workshop layouts, the sand mill can be adjusted to the optimal installation angle by rotating the clamp 7, which facilitates docking and collaborative work with other equipment. The rotatable clamp 7 helps to make better use of space. When the space around the sand mill is limited or there are other obstacles, the sand mill body 1 can be installed in a suitable posture by rotating the clamp 7, avoiding interference with surrounding objects, ensuring that the equipment can be installed and operated smoothly, and improving the adaptability of the equipment to different installation environments.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sand mill for ultrafine materials, comprising a sand mill body (1); A grinding chamber (8) is provided inside the main body (1) of the sand mill, a grinding rotor (16) is provided inside the grinding chamber (8), and grinding balls are provided inside the grinding chamber (8). Its features are: A gearbox (5) is provided at the front of the main body (1) of the sand mill, an installation plate (14) is provided at the rear of the main body (1) of the sand mill, and a drive motor (4) is provided at the left side of the gearbox (5).

2. A sand mill for ultrafine materials according to claim 1, characterized in that: A feed pump (3) is provided at the top of the gearbox (5), a feed hose (2) is provided at the top of the feed pump (3), a discharge pump (12) is provided at the right side of the mounting plate (14), and a discharge hose (11) is provided at the rear side of the discharge pump (12).

3. A sand mill for ultrafine materials according to claim 2, characterized in that: A cooling pipe (9) is provided on the outer side of the grinding chamber (8), a water inlet pipe (13) is provided on the upper right side of the mounting plate (14), and a water outlet pipe (10) is provided on the lower right side of the mounting plate (14).

4. A sand mill for ultrafine materials according to claim 3, characterized in that: The main body (1) of the sand mill and the grinding rotor (16) are spherical structures, and stirring rods (19) are arranged in a ring array on the outer side of the grinding rotor (16).

5. A sand mill for ultrafine materials according to claim 4, characterized in that: A discharge screen (15) is provided at the front side of the mounting plate (14), and the rear side of the discharge screen (15) is connected to the discharge pump (12).

6. A sand mill for ultrafine materials according to claim 1, characterized in that: The gearbox (5) has an external tooth (20) at the middle position inside, a fixed tube (17) at the bottom position of the external tooth (20), a feed tube (18) at the inside position of the fixed tube (17), and a transmission gear (22) at the bottom position of the transmission motor (4).

7. A sand mill for ultrafine materials according to claim 6, characterized in that: The fixed tube (17) is fixedly connected to the grinding rotor (16), the transmission gear (22) is meshed with the external gear (20), a bearing (21) is provided on the inner side of the fixed tube (17), and the fixed tube (17) is rotatably connected to the feed tube (18) through the bearing (21).

8. A sand mill for ultrafine materials according to claim 1, characterized in that: An installation box (6) is provided at the rear side of the main body (1) of the sand mill, and a clamp (7) is provided at the front side of the installation box (6). The clamp (7) is fixedly connected to the main body (1) of the sand mill, and the clamp (7) rotates with the installation box (6) from 0 to 30 degrees.

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