Movable filter for filtering coating

Abstract

The utility model provides a movable filter for paint filtering, which comprises an outer cylinder, an inner container, a filter screen and a material pumping pipe, the bottom of the outer cylinder is closed, the upper end of the outer cylinder is open, the upper part of the side surface of the outer cylinder is provided with a feed port, and the feed port is connected with an external stirring tank through a pipeline and a pump body; the inner container is arranged in the outer cylinder, the upper end of the inner container is open, the bottom and the side face of the inner container are fixed and are latticed, and the diameter of the bottom and side face lattices is smaller than 7 mm; the filter screen is fixed to the outer side face of the inner container, and the diameter of grids of the filter screen is smaller than the size of the grids on the inner container. The lower end of the material pumping pipe extends into the inner container, the upper end and the lower end of the material pumping pipe are open, the upper end of the material pumping pipe extends out of the inner container and the top end of the outer barrel to form a discharging port, and the discharging port is connected with an external pump body through a pipeline. According to the technical scheme provided by the utility model, the filtering area of the filter can be effectively increased, the filtering efficiency is remarkably improved, particulate matter residues are reduced, and the filter is convenient to clean and maintain and suitable for popularization and application in a coating filtering process.

Description

Technical Field

[0001] The utility model belongs to the technical field of fluid filtration and relates to a filter, in particular to a mobile filter for coating filtration. Background Art

[0002] One of the processes in the production of coatings such as paints and water-based paints is to mix powder and liquid in a mixing tank, disperse them evenly or stir them at a low speed to mix them evenly, and then discharge them from the discharge port at the bottom of the tank to the next process. However, stirring cannot completely mix the liquid and powder. The coating discharged from the bottom of the tank will be mixed with agglomerated powder, impurities in the production raw materials, and debris in the production process. Therefore, it needs to be filtered before it can be output to the next process. The existing filtering method is to set a filter on the pipeline connecting the mixing tank to the next process to filter out the agglomerates. However, this filtering method is inefficient, time-consuming, and prone to clogging the pipeline. The filter needs to be cleaned frequently, and disassembly and assembly is time-consuming and labor-intensive. In addition, when the filter is disassembled, finished paint will remain in the pipeline. After disassembly, these residual finished paints will be wasted. Therefore, it is necessary to provide a filter that is easy to clean and not prone to clogging the pipeline and affecting the paint delivery. Utility Model Content

[0003] The utility model aims to provide a mobile filter for coating filtration, so as to solve the technical problems existing in the prior art of low filtration efficiency, long filtration time, easy clogging of pipelines and high cleaning frequency.

[0004] In order to achieve the above purpose, the specific technical solutions of the present utility model are as follows:

[0005] A mobile filter for coating filtration, comprising an outer cylinder, an inner tank, a filter screen and a feed pipe. The outer cylinder is closed at the bottom and open at the top. A feed port is provided on the upper side of the outer cylinder, and the feed port is connected to an external stirring tank through a pipe and a pump body.

[0006] The inner container is placed in the outer cylinder, the upper end of the inner container is open, the bottom and the side are fixed and in a grid shape, and the diameter of the bottom and side grids is less than 7 mm;

[0007] The filter is fixed on the outer surface of the inner container, and the mesh diameter of the filter is smaller than the size of the mesh on the inner container;

[0008] The lower end of the extraction pipe extends into the inner tank, the upper and lower ends of the extraction pipe are open, and the upper end of the extraction pipe extends out of the inner tank and the top of the outer cylinder to form a discharge port, which is connected to the external pump body through a pipeline.

[0009] It also includes an upper cover, on the bottom surface of which an outer cylinder connecting groove and an inner tank connecting groove are provided, which are respectively covered on the top of the outer cylinder and the inner tank through gaskets. A through hole is provided in the middle of the upper cover, and the upper end of the drawing pipe passes through the through hole and is connected to the external pump body through a pipeline.

[0010] It also includes a quick-connect mechanism, which is in two or more groups and is evenly distributed along the circumference of the outer cylinder. It includes a mounting seat, a slot, a lifting eye bolt and a lifting eye nut. The mounting seat is fixed on the outer side of the upper end of the outer cylinder, and the edge of the upper cover extends out of the outer cylinder. The slot is arranged at the edge of the upper cover, directly above the mounting seat. One end of the lifting eye bolt is hinged to the mounting seat, and the other end is threadedly engaged with the lifting eye nut. The width of the slot is greater than the diameter of the lifting eye bolt and smaller than the outer diameter of the lifting eye nut.

[0011] It also includes a bracket, the lower end of which is provided with three or more walking wheels, and the outer surface of the lower part of the outer cylinder is evenly provided with two or more connecting ears along the circumferential direction, which are fixed to the bracket through the connecting ears.

[0012] The lower end of the outer cylinder is in the shape of an inverted frustum or a cone.

[0013] The bottom and side of the inner container are welded to form an inverted frustum, cone or inverted step shape that matches the lower end of the outer cylinder.

[0014] The mesh number of the filter is greater than 200 meshes and is fixed to the outer wall of the inner container by a cable tie.

[0015] There is a gap between the lower end of the extraction tube and the bottom surface of the inner container.

[0016] The beneficial effects of the present invention are as follows: the present invention provides a mobile filter for coating filtration, by providing the filter in a vertical cylindrical shape, setting the side and bottom of its inner tank in a grid shape with a grid diameter of less than 7 mm, and providing a layer of filter mesh with an aperture smaller than the grid diameter of the inner tank on the outer wall of the inner tank, the filtering area of the filter can be effectively increased, and the residual particulate matter can be significantly reduced compared with conventional filters, thereby significantly improving the filtering efficiency; in addition, the feed port is provided at the upper part of the outer cylinder, and the lower end of the extraction pipe is extended into the interior of the inner tank, which can help the coating entering the outer cylinder to be fully filtered and further increase the filtering area.

[0017] The utility model has an upper opening outer cylinder and inner liner, equipped with an upper cover and a quick-connect mechanism. When the filter or inner liner needs to be replaced or cleaned, the upper cover can be opened to remove the inner liner and filter from the outer cylinder. This is convenient and quick. In addition, the filter is fixed to the outer wall of the filter with a cable tie, which is convenient for disassembly and can significantly reduce the time cost of cleaning and replacement. At the same time, when the filter is removed upward, it is not easy to bring out unfiltered finished paint, which can significantly reduce the waste of finished paint and residual materials.

[0018] The technical solution provided by the utility model has high filtration efficiency, simple structure, convenient production, low maintenance cost and low difficulty, and is suitable for promotion and application in the coating filtration process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the half-section structure of the present utility model.

[0021] Explanation of the markings in the figure: 1. Outer cylinder, 2. Inner liner, 3. Extraction pipe, 4. Feed port, 5. Discharge port, 6. Upper cover, 7. Mounting seat, 8. Slot, 9. Eye bolt, 10. Eye nut, 11. Bracket, 12. Travel wheel, 13. Connecting ear. DETAILED DESCRIPTION

[0022] In order to better understand the purpose, structure and function of the present invention, the present invention is described in further detail below with reference to the accompanying drawings.

[0023] like Figure 1 、 Figure 2 As shown, the utility model provides a mobile filter for coating filtration, which includes an outer cylinder 1, an inner tank 2, a filter screen and a drawing pipe 3. The bottom of the outer cylinder 1 is closed and the upper end is open. A feed port 4 is opened on the upper part of the side of the outer cylinder 1. The feed port 4 is connected to the external stirring tank through a pipeline and a pump body. The unfiltered coating enters the outer cylinder 1 through the feed port 4; the inner tank 2 is placed in the outer cylinder 1, the upper end of the inner tank 2 is open, and the bottom and the side are welded and fixed in a grid shape. The filtered coating enters the internal space of the inner tank 2 through the grid of the inner tank 2. In order to facilitate the filtered coating to enter the interior of the inner tank 2 and to effectively isolate the interior of the inner tank 2 from the external space, the diameter of the bottom and side grids of the inner tank 2 needs to be less than 7 mm, and is preferably 6 mm in this embodiment;

[0024] Secondly, the filter is detachably fixed to the outer surface of the inner container 2. In this embodiment, the filter is wrapped around the outer side walls and bottom surface of the inner container 2 with a cable tie. Due to the small thickness of the filter, it is not shown in the figure. The mesh diameter of the filter is smaller than the mesh size of the inner container 2. The mesh size of the filter is set to be higher than 200 mesh. In this embodiment, 300 mesh is preferred.

[0025] At the same time, the lower end of the extraction pipe 3 extends into the interior of the inner tank 2, and there is a gap between it and the bottom surface of the inner tank 2, which is convenient for extracting the filtered paint. The upper and lower ends of the extraction pipe 3 are open, and the upper end of the extraction pipe 3 extends out of the inner tank 2 and the top of the outer cylinder 1, which is the discharge port 5. The discharge port 5 is connected to the external pump body through a pipeline; in this embodiment, in order to facilitate connection with the pipeline, quick connectors are provided at the feed port 4 and the discharge port 5.

[0026] The unfiltered paint enters the outer cylinder 1 from the feed port 4, is located between the outer cylinder 1 and the filter screen, is filtered by the filter screen, passes through the mesh of the inner tank 2 and enters the internal space of the inner tank 2, and is then drawn into the extraction pipe 3 from the lower end of the extraction pipe 3, and is output from the discharge port 5 to the next process.

[0027] Furthermore, in order to prevent impurities from entering the interior of the outer cylinder 1 and the inner tank 2, this embodiment also includes an upper cover 6, and an outer cylinder connecting groove and an inner tank 2 connecting groove are provided on the bottom surface of the upper cover 6, which are respectively arranged on the top of the outer cylinder 1 and the inner tank 2 through gaskets and sealed therewith. A through hole is provided in the middle of the upper cover 6, and the upper end of the extraction pipe 3 passes through the through hole and is connected to the external pump body through a pipeline.

[0028] In addition, in order to facilitate the disassembly and assembly between the upper cover 6 and the outer cylinder 1, it is convenient to remove the upper cover 6, clean the inner tank 2 and replace the filter screen. Figure 1 As shown, it also includes a quick-connect mechanism, the number of which is two or more, evenly distributed along the circumference of the outer cylinder 1. In this embodiment, it is set to five groups, which specifically include a mounting seat 7, a slot 8, a lifting eye bolt 9 and a lifting eye nut 10. The mounting seat 7 is welded and fixed on the outer surface of the upper end of the outer cylinder 1, and the edge of the upper cover 6 extends out of the outer cylinder 1. The slot 8 is arranged at the edge of the upper cover 6, directly above the corresponding mounting seat 7. One end of the lifting eye bolt 9 is hinged to the mounting seat 7, and the other end is threadedly engaged with the lifting eye nut 10. The width of the slot 8 is larger than the diameter of the lifting eye bolt 9 and smaller than the outer diameter of the lifting eye nut 10.

[0029] When it is necessary to press the upper cover 6 onto the outer cylinder 1, it is only necessary to align the slot 8 with the mounting seat 7, lift the eye nut 10 and pull the eye bolt 9 into the slot 8, and then screw the eye nut 10 until it presses the upper cover 6; when it is necessary to remove the upper cover 6 from the outer cylinder 1, it is only necessary to screw the eye nut 10 until it is no longer in contact with the upper cover 6, and then pull the eye nut 10 and the eye screw out of the slot 8 to release the limit on the upper cover 6 and remove it from the outer cylinder 1.

[0030] Furthermore, to facilitate placement, this embodiment further includes a bracket 11, the lower end of which is provided with three or more running wheels 12. Two or more connecting ears 13 are evenly arranged along the circumference on the outer surface of the lower portion of the outer cylinder 1, and are fixed to the bracket 11 via the connecting ears 13 and fixing bolts. In this embodiment, the bracket 11 is set in the shape of a rectangular cube, and the number of running wheels 12 and connecting ears 13 are respectively four.

[0031] Furthermore, in order to facilitate the precipitation of filtered particles and reduce the degree of movement of the particles in the outer cylinder 1 due to the continuous input of unfiltered paint, in this embodiment, the lower end of the outer cylinder 1 is in the shape of an inverted frustum or a cone, preferably, an inverted frustum. Correspondingly, in order to reserve precipitation space at the bottom of the outer cylinder 1, the inner tank 2 is provided in the shape of an inverted frustum, a cone or an inverted step adapted to the lower end of the outer cylinder 1, preferably, an inverted step.

[0032] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A mobile filter for coating filtration, characterized in that: It comprises an outer cylinder (1), an inner tank (2), a filter screen and a material extraction pipe (3); the outer cylinder (1) is closed at the bottom and open at the top; a feed port (4) is provided at the upper portion of the side of the outer cylinder (1); the feed port (4) is connected to an external stirring tank through a pipeline and a pump body; The inner container (2) is placed in the outer cylinder (1), the upper end of the inner container (2) is open, the bottom and the side are fixed and in a grid shape, and the diameter of the grid of the bottom and the side is less than 7 mm; The filter is fixed on the outer surface of the inner container (2), and the mesh diameter of the filter is smaller than the size of the mesh on the inner container (2); The lower end of the extraction pipe (3) extends into the interior of the inner container (2), the upper and lower ends of the extraction pipe (3) are open, and the upper end of the extraction pipe (3) extends out of the inner container (2) and the top end of the outer cylinder (1) to form a discharge port (5), and the discharge port (5) is connected to the external pump body through a pipeline.

2. A mobile filter for coating filtration according to claim 1, characterized in that: It also includes an upper cover (6), the bottom surface of which is provided with an outer cylinder connecting groove and an inner liner (2) connecting groove, which are respectively arranged on the top of the outer cylinder (1) and the inner liner (2) through gasket covers, and a through hole is provided in the middle of the upper cover (6), and the upper end of the extraction pipe (3) passes through the through hole and is connected to the external pump body through a pipeline.

3. A mobile filter for coating filtration according to claim 2, characterized in that: It also includes a quick-connect mechanism, the number of which is two or more and which is evenly distributed along the circumference of the outer cylinder (1), and which includes a mounting seat (7), a clamping groove (8), a lifting eye bolt (9) and a lifting eye nut (10). The mounting seat (7) is fixed on the outer side of the upper end of the outer cylinder (1), and the edge of the upper cover (6) extends out of the outer cylinder (1). The clamping groove (8) is arranged at the edge of the upper cover (6) and directly above the mounting seat (7). One end of the lifting eye bolt (9) is hinged to the mounting seat (7), and the other end is threadedly matched with the lifting eye nut (10). The width of the clamping groove (8) is greater than the diameter of the lifting eye bolt (9) and smaller than the outer diameter of the lifting eye nut (10).

4. The mobile filter for coating filtration according to claim 1, characterized in that: It also includes a bracket (11), the lower end of which is provided with three or more running wheels (12), and two or more connecting ears (13) are evenly arranged along the circumferential direction on the outer surface of the lower part of the outer cylinder (1), and are fixed to the bracket (11) through the connecting ears (13).

5. The mobile filter for coating filtration according to claim 1, characterized in that: The lower end of the outer cylinder (1) is in the shape of an inverted frustum or a cone.

6. A mobile filter for coating filtration according to claim 5, characterized in that: The bottom and side of the inner container (2) are welded to form an inverted frustum, cone or inverted step shape that matches the lower end of the outer cylinder (1).

7. The mobile filter for coating filtration according to claim 1, characterized in that: The mesh number of the filter is greater than 200 meshes and is fixed to the outer wall of the inner container (2) by a cable tie.

8. The mobile filter for coating filtration according to claim 1, characterized in that: There is a gap between the lower end of the extraction tube (3) and the bottom surface of the inner container (2).

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