A sand mill for paint coating raw material processing

Abstract

The utility model relates to a sand mill for paint coating raw material processing, including the frame, be equipped with power machine box on the frame, install rotatory shaft in power machine box, rotatory shaft one end is connected with drive motor through transmission component and another end is worn and is taken out power machine box outside, install dispersion subassembly on rotatory shaft, power machine box outside detachably install sand mill barrel, rotatory shaft is located sand mill barrel inside, sand mill barrel another end detachably installs filter discharge cylinder, sand mill barrel top near power machine box one end is equipped with feed inlet and bottom far from power machine box one end is equipped with cleaning port, be equipped with valve on the cleaning port, be equipped with discharge port on filter discharge cylinder end face, detachably install filter screen cover subassembly in the discharge port inboard in filter discharge cylinder, sand mill barrel outer wall lower end is installed with the rolling axle through the support, be equipped with the guide on the frame, the rolling axle is installed on the guide and rolls. The utility model adopts the structure of the split type, is convenient for sand mill barrel movement maintenance, also is convenient for replacing filter screen cover subassembly, and the performance is higher.

Description

Technical Field

[0001] This utility model relates to the technical field of coating raw material crushing, and in particular to a sand mill for processing paint coating raw materials. Background Technology

[0002] Sand mills employ a novel dispersion method, enabling grinding media to generate more complex circumferential, radial, and axial motions. They are widely used in the ultra-fine grinding and dispersion of solid-liquid mixtures in industries such as medium- and low-viscosity coatings, dyes, paints, magnetic powders, ferrites, photographic films, and papermaking. Sand mills offer advantages such as high efficiency, strong continuous operation, low pollution, and reliable automatic control, while also being low in cost and compact in structure.

[0003] Chinese utility model patent with announcement number CN222930918U discloses a nano-level sand mill for the production of water-based topcoat. It uses the internal structure of the grinding cylinder to achieve grinding and dispersion of materials. However, with this structure, the grinding cylinder is not easy to disassemble and maintain, and the filter components are not easy to replace and maintain, lacking a certain degree of adaptability. Utility Model Content

[0004] The present invention aims to address the shortcomings of the prior art by providing a sand mill for processing paint and coating raw materials.

[0005] To achieve the above objectives, this utility model adopts the following technical solution:

[0006] A sand mill for processing paint and coating raw materials includes a frame with a power housing on the frame. A rotating shaft is installed inside the power housing. One end of the rotating shaft is connected to a drive motor through a transmission component inside the power housing, and the other end extends out of the power housing. Several dispersing components are installed on the rotating shaft extending out of the power housing. A sand mill cylinder is detachably installed on the outer wall of the power housing. The rotating shaft is located inside the sand mill cylinder. A filter discharge cylinder is detachably installed at the other end of the sand mill cylinder. A feed inlet is provided at the top end of the sand mill cylinder near the power housing, and a cleaning port is provided at the bottom end away from the power housing. A valve is provided on the cleaning port. A discharge port is provided on the end face of the filter discharge cylinder. A filter screen assembly is detachably installed inside the discharge port of the filter discharge cylinder. A roller is installed on the lower end of the outer wall of the sand mill cylinder through a bracket. A guide rail is provided on the frame, and the roller is rotatably mounted on the guide rail.

[0007] A cooling jacket is provided on the side wall of the grinding cylinder between the feed inlet and the cleaning inlet, and a cooling water inlet and a cooling water outlet are connected to the cooling jacket.

[0008] A supporting inner ring is provided at one end of the sand mill cylinder near the filter discharge cylinder. Several connecting and fixing rods are provided circumferentially between the supporting inner ring and the inner wall of the sand mill cylinder. One end of the rotating shaft is movably inserted into the supporting inner ring.

[0009] The end of the grinding cylinder facing the power housing is provided with a first flange, which is detachably mounted on the side wall of the power housing by bolts.

[0010] The end of the sand mill cylinder facing away from the power unit is provided with a second flange, and the end of the filter discharge cylinder facing the sand mill cylinder is provided with a third flange. The second flange and the third flange are detachably connected by bolts.

[0011] The filter screen assembly includes a fixing ring plate, which is detachably mounted on the inner wall of the filter discharge cylinder end plate by bolts, and a filter screen is fixed on one side of the fixing ring plate.

[0012] The outer wall and end face of the filter screen are provided with reinforcing ribs, which are connected to the fixing ring plate.

[0013] The dispersion assembly includes a dispersion column mounted on a rotating shaft, and several dispersion rods are provided on the outer wall of the dispersion column.

[0014] A baffle is provided at the upper end of the inner wall of the grinding cylinder.

[0015] Both the grinding drum and the filter discharge drum are equipped with handles at the top.

[0016] The beneficial effects of this utility model are: This utility model adopts a split structure, which facilitates the movement and maintenance of the grinding cylinder, and also facilitates the replacement of the filter screen assembly, thus having higher adaptability. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the inner support ring, connecting and fixing rod, and baffle plate inside the grinding cylinder;

[0019] Figure 3 This is a schematic diagram of the filter screen assembly.

[0020] In the diagram: 1-Frame; 2-Power unit; 3-Rotating shaft; 4-Drive motor; 5-Dispersion assembly; 6-Grinding cylinder; 7-Filter discharge cylinder; 8-Inlet; 9-Cleaning port; 10-Valve; 11-Discharge port; 12-Filter screen assembly; 13-Roller; 14-Guide rail; 15-Cooling jacket; 16-Cooling water inlet; 17-Cooling water outlet; 18-Support inner ring; 19-Connecting fixing rod; 20-First flange; 21-Second flange; 22-Third flange; 23-Baffle plate; 24-Handle;

[0021] 501 - Dispersion column; 502 - Dispersion rod;

[0022] 1201 - Fixed ring plate; 1202 - Filter screen cover; 1203 - Reinforcing rib plate;

[0023] The following will describe in detail the embodiments of this utility model with reference to the accompanying drawings. Detailed Implementation

[0024] The principles and features of this utility model are described below with reference to the accompanying drawings. The embodiments described are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0025] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0028] like Figures 1 to 3 As shown, a sand mill for processing paint and coating raw materials includes a frame 1, a power housing 2, a rotating shaft 3, a drive motor 4, a dispersion component 5, a sand mill cylinder 6, a filter discharge cylinder 7, a feed inlet 8, a cleaning port 9, a valve 10, a discharge port 11, a filter screen assembly 12, a roller 13, a guide rail 14, a cooling jacket 15, a cooling water inlet 16, a cooling water outlet 17, a support inner ring 18, a connecting fixing rod 19, a first flange 20, a second flange 21, a third flange 22, a baffle plate 23, and a handle 24.

[0029] The test stand 1 is equipped with a power housing 2, and a rotating shaft 3 is installed inside the power housing 2. One end of the rotating shaft 3 is connected to a drive motor 4 through a transmission component inside the power housing 2.

[0030] The transmission component can be a sprocket and chain assembly or a worm gear assembly, as long as it can achieve the purpose of transmission connection. Conventional and commonly used transmission methods can be used, which will not be elaborated here.

[0031] The drive motor 4 can drive the rotating shaft 3 to rotate. The other end of the rotating shaft 3 extends out of the power housing 2. Several dispersing components 5 are installed on the rotating shaft 3 extending out of the power housing 2. The dispersing components 5 include a dispersing column 501 installed on the rotating shaft 3. Several dispersing rods 502 are provided on the outer wall of the dispersing column 501.

[0032] The dispersion component 5 can agitate the internal fluid and the added grinding media to achieve better dispersion and grinding. The grinding media are usually zirconia beads, glass beads, zirconium silicate beads, etc.

[0033] A grinding cylinder 6 is detachably installed on the outer wall of the power housing 2. A first flange 20 is provided at the end of the grinding cylinder 6 facing the power housing 2. The first flange 20 is detachably installed on the side wall of the power housing 2 by bolts.

[0034] The rotating shaft 3 is located inside the grinding cylinder 6. The top end of the grinding cylinder 6, near the power housing 2, is provided with a feed port 8, and the bottom end, away from the power housing 2, is provided with a cleaning port 9. A valve 10 is provided on the cleaning port 9.

[0035] The cleaning port 9 can periodically discharge some impurities and internal grinding media for replacement and maintenance.

[0036] A supporting inner ring 18 is provided at one end of the grinding cylinder 6 near the filter discharge cylinder 7. Several connecting and fixing rods 19 are provided circumferentially between the supporting inner ring 18 and the inner wall of the grinding cylinder 6. One end of the rotating shaft 3 is movably inserted into the supporting inner ring 18.

[0037] A baffle plate 23 is provided on the upper end of the inner wall of the grinding cylinder 6, which can prevent the fluid from forming a vortex in one direction and achieve a better crushing and grinding effect.

[0038] A cooling sleeve 15 is provided on the side wall of the sand mill cylinder 6 between the feed inlet 8 and the cleaning inlet 9. The cooling sleeve 15 is connected to a cooling water inlet 16 and a cooling water outlet 17. The sand mill cylinder 6 can be cooled by circulating cooling water.

[0039] A roller 13 is mounted on the lower end of the outer wall of the sanding cylinder 6 via a bracket. A guide rail 14 is provided on the frame 1, and the roller 13 is rotatably mounted on the guide rail 14. Anti-detachment plates are provided at both ends of the guide rail 14. When maintenance is required, the sanding cylinder 6 can be disassembled and moved out via the roller 13 for maintenance, which is more convenient.

[0040] A filter discharge cylinder 7 is detachably installed at the other end of the sand mill cylinder 6. A second flange 21 is provided at the end of the sand mill cylinder 6 facing away from the power housing 2, and a third flange 22 is provided at the end of the filter discharge cylinder 7 facing the sand mill cylinder 6. The second flange 21 and the third flange 22 are detachably connected by bolts.

[0041] The filter discharge cylinder 7 has a discharge port 11 on its end face, and a filter screen assembly 12 is detachably installed inside the discharge port 11 inside the filter discharge cylinder 7.

[0042] The filter screen assembly 12 includes a fixing ring plate 1201, which is detachably mounted on the inner wall of the end plate of the filter discharge cylinder 7 by bolts. A filter screen 1202 is fixed on one side of the fixing ring plate 1201.

[0043] The outer wall and end face of the filter screen cover 1202 are provided with reinforcing ribs 1203, which are connected to the fixing ring plate 1201.

[0044] The filter screen 1202 is detachable, making it easy to replace screens with different aperture sizes and to maintain them. The reinforcing ribs 1203 can improve the strength of the screen and reduce the probability of damage.

[0045] Both the grinding cylinder 6 and the filter discharge cylinder 7 are equipped with handles 24 at the top.

[0046] The handle 24 on the top of the sanding cylinder 6 can be rod-shaped or n-shaped to facilitate its movement.

[0047] The handle 24 at the top of the filter discharge cylinder 7 can be an n-shaped structure for easy lifting.

[0048] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any improvements made using the inventive concept and technical solution of the present invention, or direct application to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A sand mill for processing paint and coating raw materials, characterized in that, Includes a frame (1), on which a power housing (2) is mounted. A rotating shaft (3) is installed inside the power housing (2). One end of the rotating shaft (3) is connected to a drive motor (4) through a transmission component inside the power housing (2), and the other end extends out of the power housing (2). Several dispersive components (5) are mounted on the rotating shaft (3) extending out of the power housing (2). A grinding cylinder (6) is detachably mounted on the outer wall of the power housing (2). The rotating shaft (3) is located inside the grinding cylinder (6). A filter discharge cylinder (7) is detachably mounted on the other end of the grinding cylinder (6). The grinding cylinder (6) has a feed inlet (8) at the top end near the power box (2) and a cleaning port (9) at the bottom end away from the power box (2). A valve (10) is provided on the cleaning port (9). A discharge port (11) is provided on the end face of the filter discharge cylinder (7). A filter screen assembly (12) is detachably installed inside the discharge port (11) of the filter discharge cylinder (7). A roller (13) is installed on the lower end of the outer wall of the grinding cylinder (6) through a bracket. A guide rail (14) is provided on the frame (1). The roller (13) is rotatably installed on the guide rail (14).

2. The sand mill for processing paint and coating raw materials according to claim 1, characterized in that, A cooling sleeve (15) is provided on the side wall of the grinding cylinder (6) between the feed inlet (8) and the cleaning inlet (9). A cooling water inlet (16) and a cooling water outlet (17) are connected to the cooling sleeve (15).

3. The sand mill for processing paint and coating raw materials according to claim 2, characterized in that, A supporting inner ring (18) is provided at one end of the grinding cylinder (6) near the filter discharge cylinder (7). Several connecting and fixing rods (19) are provided circumferentially between the supporting inner ring (18) and the inner wall of the grinding cylinder (6). One end of the rotating shaft (3) is movably inserted into the supporting inner ring (18).

4. A sand mill for processing paint and coating raw materials according to claim 3, characterized in that, The grinding cylinder (6) is provided with a first flange (20) at one end facing the power housing (2). The first flange (20) is detachably installed on the side wall of the power housing (2) by bolts.

5. A sand mill for processing paint and coating raw materials according to claim 4, characterized in that, The grinding cylinder (6) is provided with a second flange (21) at the end facing away from the power box (2), and the filter discharge cylinder (7) is provided with a third flange (22) at the end facing the grinding cylinder (6). The second flange (21) and the third flange (22) are detachably connected by bolts.

6. A sand mill for processing paint and coating raw materials according to claim 5, characterized in that, The filter screen assembly (12) includes a fixing ring plate (1201), which is detachably mounted on the inner wall of the end plate of the filter discharge cylinder (7) by bolts, and a filter screen (1202) is fixed on one side of the fixing ring plate (1201).

7. A sand mill for processing paint and coating raw materials according to claim 6, characterized in that, The outer wall and end face of the filter screen cover (1202) are provided with reinforcing ribs (1203), which are connected to the fixing ring plate (1201).

8. A sand mill for processing paint and coating raw materials according to claim 7, characterized in that, The dispersion assembly (5) includes a dispersion column (501) mounted on a rotating shaft (3), and a plurality of dispersion rods (502) are provided on the outer wall of the dispersion column (501).

9. A sand mill for processing paint and coating raw materials according to claim 8, characterized in that, A baffle plate (23) is provided on the upper end of the inner wall of the grinding cylinder (6).

10. A sand mill for processing paint and coating raw materials according to claim 9, characterized in that, Both the grinding cylinder (6) and the filter discharge cylinder (7) are equipped with handles (24) at the top.

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