Grinding device for preparing solid powder pigment

Abstract

The utility model relates to the technical field of solid powder pigment grinding, and discloses a grinding device for solid powder pigment preparation, which comprises a shell, a feeding box is fixedly connected to the top of the shell, a sealing assembly is arranged in the feeding box, an inner barrel is fixedly connected to the interior of the shell, a grinding block is fixedly connected to the interior of the inner barrel, and the grinding block is fixedly connected to the top of the shell. A grinding block is arranged in the inner barrel, a bottom block is fixedly connected to the bottom of the grinding block, a discharging pipe is fixedly connected to the bottom of the bottom block, a grinding assembly is arranged in the inner barrel, the sealing assembly comprises a sealing cover, the sealing cover is slidably connected to the interior of the feeding box, and a first handle is fixedly connected to the top of the sealing cover. According to the solid powder pigment grinding device, by pressing the first handle, the sealing cover drives the clamping block to extrude the clamping ball, so that the effect of sealing the feeding box is achieved, and the problems that in the solid powder pigment grinding process, powder overflows through the feeding port, consequently, surrounding equipment and the environment are polluted, and meanwhile materials are wasted are solved; and the production efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of solid powder pigment grinding technology, and in particular to a grinding device for preparing solid powder pigments. Background Technology

[0002] Solid powder pigments have wide applications in industries such as coatings, plastics, and inks. Their particle size distribution and purity directly affect the performance and quality of the final product. Grinding is a key step in the preparation of powder pigments, using mechanical force to refine particles to the target particle size range. Traditional grinding processes typically use equipment such as ball mills, air jet mills, or vibratory mills. However, these devices are prone to problems such as powder leakage and environmental pollution during continuous production. With increasingly stringent environmental protection requirements and continuous development of powder technology, the development of efficient, well-sealed, and easy-to-operate grinding devices has become an urgent need in the industry. A grinding device for the preparation of solid powder pigments has emerged to address these issues, aiming to solve problems such as powder leakage and material waste, while improving production efficiency and product uniformity, and meeting the higher standards of modern chemical production for the preparation of fine powders.

[0003] Existing solid powder grinding equipment typically consists of a grinding chamber, a transmission mechanism, a feeding system, and a discharging system. The grinding chamber contains grinding media (such as steel balls or ceramic balls), which are driven by a motor to rotate or vibrate. The particles are broken down by the collision and shearing action between the media and the material. The feeding system usually uses a screw conveyor or gravity feeding method to send the raw materials into the grinding chamber. The discharging system collects and separates the powder through a screen or air classifier. In principle, these devices mainly rely on the conversion of mechanical energy into the surface energy of the particles, and the particles are gradually refined through repeated impact and friction. However, there is still considerable room for improvement in the sealing and classification efficiency of existing equipment, especially in continuous production processes where it is difficult to avoid problems such as powder leakage and uneven particle size distribution.

[0004] Existing solid powder grinding equipment suffers from insufficient sealing at the feed inlet, causing fine powder particles to easily escape from gaps during grinding. This not only wastes materials and increases production costs but also pollutes surrounding equipment and the environment, even posing a threat to the health of operators. This is especially true when processing high-fineness or easily dusty pigment powders, where the open or simple sealed structure of traditional equipment is insufficient to effectively curb powder diffusion. Furthermore, powder leakage leads to unstable pressure within the grinding chamber, further affecting grinding efficiency and product particle size consistency. Therefore, improving the sealing performance of the feed system to prevent powder overflow has become a key technical challenge that urgently needs to be addressed in the design of current grinding equipment. To solve this problem, a grinding device for solid powder pigment preparation is proposed. Summary of the Invention

[0005] To overcome the above shortcomings, this utility model provides a grinding device for preparing solid powder pigments, which aims to improve the problem in the prior art where powder overflows through the feed inlet during the grinding process of solid powder pigments, causing pollution to surrounding equipment and the environment, as well as wasting materials.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a grinding device for preparing solid powder pigments, comprising a shell, a feeding box fixedly connected to the top of the shell, a sealing component provided inside the feeding box, an inner barrel fixedly connected inside the shell, a grinding block fixedly connected inside the inner barrel, a bottom block fixedly connected to the bottom of the grinding block, a discharge pipe fixedly connected to the bottom of the bottom block, and a grinding component provided inside the inner barrel.

[0007] The sealing assembly includes a sealing cover, which is slidably connected inside the feed box. A handle is fixedly connected to the top of the sealing cover, and a locking block is fixedly connected to the outer wall of the sealing cover. A hollow block is fixedly connected inside the feed box, and a spring is disposed inside the hollow block. One end of the spring is fixedly connected inside the hollow block, and the other end of the spring is fixedly connected to a locking ball, which is slidably connected inside the locking block. A collection assembly is disposed at the bottom of the outer shell.

[0008] As a further description of the above technical solution:

[0009] The grinding assembly includes a grinding column, the outer wall of which is rotatably connected to the inside of the grinding block, and a motor is fixedly connected inside the inner barrel, with the output end of the motor fixedly connected to the bottom of the grinding column;

[0010] As a further description of the above technical solution:

[0011] The collection assembly includes a collection box, the outer wall of which is slidably connected to the inside of the outer shell;

[0012] As a further description of the above technical solution:

[0013] The collection box is equipped with a filter screen inside, and a handle is fixedly connected to the outer wall of the collection box;

[0014] As a further description of the above technical solution:

[0015] A hollow column is fixedly connected inside the collection box, and a sliding groove is opened inside the hollow column;

[0016] As a further description of the above technical solution:

[0017] The hollow column is slidably connected to a sliding column, and a pull rod is fixedly connected to one end of the sliding column, while a locking column is fixedly connected to the other end of the sliding column.

[0018] As a further description of the above technical solution:

[0019] The hollow column is fixedly connected to the inner wall of the limiting ring, the sliding column is slidably connected inside the limiting ring, and the locking column is slidably connected inside the filter screen.

[0020] As a further description of the above technical solution:

[0021] A second spring is fitted on the outer wall of the sliding column. One end of the second spring is fixedly connected to the outer wall of the limiting ring, and the other end of the second spring is fixedly connected to the inside of the hollow column.

[0022] This utility model has the following beneficial effects:

[0023] In this invention, pressing the handle causes the sealing cover to press the locking block against the locking ball. At this time, the locking ball moves the spring into the hollow block, thereby achieving the effect of sealing the feed box. This solves the problem that powder overflows through the feed inlet during the grinding of solid powder pigments, causing pollution to the surrounding equipment and environment, and also wastes materials, thus improving production efficiency.

[0024] In this invention, the ground powder is conveyed to the collection box through the discharge pipe. The filter screen filters out larger materials during the grinding process. Pulling the pull rod causes the sliding column to disengage the locking column from the filter screen, thereby achieving the effect of filtering the material and facilitating filter screen replacement. This solves the problem of uneven particle size distribution in the final product caused by powders of different sizes during the grinding process, and improves uniformity. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of a grinding device for preparing solid powder pigments according to the present invention;

[0026] Figure 2 This is a schematic diagram of the outer shell structure of a grinding device for preparing solid powder pigments according to the present invention;

[0027] Figure 3 This is a schematic diagram of the feed box structure of a grinding device for preparing solid powder pigments according to this utility model;

[0028] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0029] Figure 5 This is a schematic diagram of the collection box structure of a grinding device for preparing solid powder pigments according to this utility model;

[0030] Figure 6 for Figure 5 Enlarged view of section B in the middle.

[0031] Legend:

[0032] 1. Outer shell; 2. Feed box; 3. Sealing cover; 4. Handle 1; 5. Inner barrel; 6. Grinding block; 7. Bottom block; 8. Motor; 9. Grinding column; 10. Discharge pipe; 11. Clamping block; 12. Hollow block; 13. Spring 1; 14. Clamping ball; 15. Collection box; 16. Handle 2; 17. Filter screen; 18. Hollow column; 19. Sliding column; 20. Pull rod; 21. Clamping column; 22. Limiting ring; 23. Slide groove; 24. Spring 2. Detailed Implementation

[0033] 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.

[0034] Reference Figures 1-4 This utility model provides an embodiment of a grinding device for preparing solid powder pigments, including a shell 1. A feed box 2 is fixedly connected to the top of the shell 1. The feed box 2 is used to introduce the pigment raw material to be ground into the inner barrel 5. A sealing component is provided inside the feed box 2 to prevent powder from overflowing during the grinding process. The inner barrel 5 is fixedly connected inside the shell 1, providing a grinding chamber and bearing the mechanical force during the grinding process. A grinding block 6 is fixedly connected inside the inner barrel 5. The grinding block 6, as a static grinding component, cooperates with the rotating component to crush the material. A bottom block 7 is fixedly connected to the bottom of the grinding block 6. The bottom block 7 is used for... The bottom block 7 is fixedly connected to the bottom of the discharge pipe 10, which supports the grinding block 6 and guides the material flow to the discharge pipe 10. The discharge pipe 10 controls the discharge speed of the ground material. The inner barrel 5 is equipped with a grinding assembly, which includes a grinding column 9. The grinding column 9 is a dynamic grinding component. It crushes the material through relative movement with the grinding block 6. The outer wall of the grinding column 9 is rotatably connected to the inside of the grinding block 6 to form a grinding pair to improve grinding efficiency. The inner barrel 5 is fixedly connected to the inside of the inner barrel 5. The motor 8 provides the power required for the rotation of the grinding column 9. The output end of the motor 8 is fixedly connected to the bottom of the grinding column 9 to ensure that the power is directly transmitted to the grinding column 9.

[0035] The sealing assembly includes a sealing cover 3, which is used to close the feed inlet of the feed box 2. The sealing cover 3 is slidably connected inside the feed box 2. A handle 4 is fixedly connected to the top of the sealing cover 3, which facilitates the opening and closing of the sealing cover 3. A locking block 11 is fixedly connected to the outer wall of the sealing cover 3. The locking block 11 cooperates with the locking ball 14 to achieve the positioning and locking of the sealing cover 3. A hollow block 12 is fixedly connected inside the feed box 2. The hollow block 12 provides installation space for a spring 13. The spring 13 is set inside the hollow block 12. The spring 13 provides elastic pressure to the locking ball 14. One end of the spring 13 is fixedly connected inside the hollow block 12, and the other end of the spring 13 is fixedly connected to the locking ball 14. The locking ball 14 fixes the position of the sealing cover 3 by elastic locking. The locking ball 14 is slidably connected inside the locking block 11 to achieve stable locking of the sealing cover 3. A collecting assembly is set at the bottom of the outer shell 1. The collecting assembly is used to receive and store the ground powder pigment.

[0036] Reference Figures 5-6 The collection assembly includes a collection box 15, which is used to centrally store the ground finished powder. The outer wall of the collection box 15 is slidably connected to the inside of the outer shell 1 for easy removal and installation. A filter screen 17 is installed inside the collection box 15 to sieve powder that meets the fineness requirements. A handle 16 is fixedly connected to the outer wall of the collection box 15 for easy operation of pushing and pulling the collection box 15. A hollow column 18 is fixedly connected inside the collection box 15, providing guidance and installation space for a sliding column 19. A groove 23 is provided inside the hollow column 18 to restrict the movement trajectory of the sliding column 19. A sliding column 19 is slidably connected inside the hollow column 18, and the sliding column 19 is used to move the locking column 21 to fix or release the filter screen 17. One end of the sliding column 19 is fixedly connected to a pull rod 20, which facilitates manual operation of the sliding column 19. The other end of the sliding column 19 is fixedly connected to a locking post 21, which enables quick assembly and disassembly of the filter screen 17 through cooperation with the filter screen 17. A limiting ring 22 is fixedly connected to the inner wall of the hollow column 18, which limits the maximum displacement range of the sliding column 19. The sliding column 19 is slidably connected inside the limiting ring 22 to ensure motion stability. The locking post 21 is slidably connected inside the filter screen 17 to achieve positioning and fixation of the filter screen 17. A second spring 24 is sleeved on the outer wall of the sliding column 19, which provides the reset elastic force for the locking post 21. One end of the second spring 24 is fixedly connected to the outer wall of the limiting ring 22, and the other end of the second spring 24 is fixedly connected to the inside of the hollow column 18 to ensure effective transmission of elastic force.

[0037] Working principle: When in use, by pulling the handle 4, the locking block 11 on the side wall of the sealing cover 3 squeezes the locking ball 14. At the same time, the locking ball 14 drives the spring 13 to move into the hollow block 12. At this time, the sealing cover 3 is released from the limit and can be taken out. The material is poured into the feed box 2. The output end of the motor 8 drives the grinding column 9 to rotate. Through the cooperation of the grinding column 9 and the grinding block 6, the material is ground. The ground material is discharged through the discharge pipe 10.

[0038] When collecting the ground material, the material is discharged into the collection box 15 through the discharge pipe 10. Due to the inertia of the discharge, the filter screen 17 filters the material of different sizes, leaving the larger material on the surface of the filter screen 17. Pulling the handle 16 can separate the collection box 15 from the outer shell 1. When replacing the filter screen 17, pull the lever 20. The lever 20 drives the sliding column 19 and the locking column 21 to slide inside the hollow column 18. At the same time, the lever 20 moves inside the slide groove 23, causing the locking column 21 to disengage from the limit of the filter screen 17, so that the filter screen 17 can be taken out.

[0039] 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 grinding apparatus for preparing solid powder pigments, comprising a housing (1), characterized in that: The top of the outer shell (1) is fixedly connected to a feed box (2), the feed box (2) is provided with a sealing component, the inner barrel (5) is fixedly connected to the inside of the outer shell (1), the grinding block (6) is fixedly connected to the inside of the inner barrel (5), the bottom block (7) is fixedly connected to the bottom of the grinding block (6), and the bottom of the bottom block (7) is fixedly connected to a discharge pipe (10). The grinding component is provided inside the inner barrel (5). The sealing assembly includes a sealing cover (3), which is slidably connected inside the feed box (2). A handle (4) is fixedly connected to the top of the sealing cover (3). A locking block (11) is fixedly connected to the outer wall of the sealing cover (3). A hollow block (12) is fixedly connected inside the feed box (2). A spring (13) is provided inside the hollow block (12). One end of the spring (13) is fixedly connected inside the hollow block (12). The other end of the spring (13) is fixedly connected to a locking ball (14). The locking ball (14) is slidably connected inside the locking block (11). A collection assembly is provided at the bottom of the outer shell (1).

2. The grinding apparatus for preparing solid powder pigments according to claim 1, characterized in that: The grinding assembly includes a grinding column (9), the outer wall of which is rotatably connected to the inside of the grinding block (6), and a motor (8) is fixedly connected inside the inner barrel (5), with the output end of the motor (8) fixedly connected to the bottom of the grinding column (9).

3. The grinding apparatus for preparing solid powder pigments according to claim 1, characterized in that: The collection assembly includes a collection box (15), the outer wall of which is slidably connected to the inside of the outer shell (1).

4. The grinding apparatus for preparing solid powder pigments according to claim 3, characterized in that: The collection box (15) is equipped with a filter screen (17) inside, and a handle (16) is fixedly connected to the outer wall of the collection box (15).

5. The grinding apparatus for preparing solid powder pigments according to claim 3, characterized in that: The collection box (15) is fixedly connected to a hollow column (18), and the hollow column (18) has a groove (23) inside.

6. The grinding apparatus for preparing solid powder pigments according to claim 5, characterized in that: The hollow column (18) is slidably connected to a sliding column (19), one end of which is fixedly connected to a pull rod (20), and the other end of which is fixedly connected to a locking column (21).

7. The grinding apparatus for preparing solid powder pigments according to claim 6, characterized in that: The hollow column (18) is fixedly connected to the inner wall of the limiting ring (22), the sliding column (19) is slidably connected inside the limiting ring (22), and the locking column (21) is slidably connected inside the filter screen (17).

8. The grinding apparatus for preparing solid powder pigments according to claim 6, characterized in that: The outer wall of the sliding column (19) is fitted with a second spring (24). One end of the second spring (24) is fixedly connected to the outer wall of the limiting ring (22), and the other end of the second spring (24) is fixedly connected to the inside of the hollow column (18).

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