A continuous filter system for resin color paste

By employing a multi-stage gradient filtration design and a dynamic impact backflow cleaning mechanism, the problem of easy clogging of the filter screen in traditional resin pigment filtration systems has been solved, achieving high-precision and high-efficiency filtration while reducing maintenance costs.

CN224524130UActive Publication Date: 2026-07-21ANHUI DERUI NEW MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI DERUI NEW MATERIAL TECH CO LTD
Filing Date
2025-06-16
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Traditional resin pigment filtration systems suffer from problems such as decreased filtration efficiency, easy clogging of the filter screen, frequent maintenance and high cost, making it difficult to achieve both high precision and high throughput.

Method used

It adopts a multi-stage gradient filtration design, combined with a dynamic impact backflow cleaning mechanism and a linkage scraping system. The piston plate is moved periodically by a motor-driven cam to achieve reverse impact cleaning. With a modular and maintainable structure, the filtration accuracy and efficiency are improved.

Benefits of technology

It achieves high-precision filtration, reduces filter clogging, lowers maintenance frequency and costs, and improves production efficiency and the continuous operation capability of the filtration system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of resin colorant continuous filter systems, belong to chemical machinery technical field, including collection tank, the top of the collection tank is fixedly installed with filter cartridge, the top of the filter cartridge is installed with excess tank, the excess tank is installed with liquid inlet on one side, the collection tank, filter cartridge and excess tank are interconnected, the inner wall of the filter cartridge is slidably connected with two placement rings, the top of placement ring is fixedly installed with filter cover, the aperture on two filter covers is gradually reduced in turn;Impact reflux mechanism, including injection pressure box, the injection pressure box is fixedly installed on the top inner wall of collection tank, and the inner wall of injection pressure box is slidably connected with piston plate, piston plate is cooperated with two filter covers, one side of the collection tank is fixedly installed with motor. Cam is rotated by motor, piston plate is periodically moved up and down by L type ejector rod, reverse impact flow is formed by extruding the colorant in injection pressure box, and filter cover blockage is effectively removed.
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Description

Technical Field

[0001] This utility model belongs to the field of chemical machinery technology, specifically, it relates to a continuous filtration system with resin pigment. Background Technology

[0002] Filtration is a crucial step in ensuring product quality during the production and application of resin pigments. Resin pigments typically contain particulate impurities, undispersed pigments, or resin agglomerates, which can affect the uniformity, gloss, and final performance of the coating. Therefore, an efficient filtration system is essential for guaranteeing pigment quality.

[0003] Traditional resin pigment filtration systems mainly use single-stage or multi-stage filters for static filtration, which has the following problems:

[0004] During the current filtration process, particulate impurities gradually accumulate on the surface of the filter screen, leading to a decrease in filtration efficiency or even complete blockage. This requires frequent shutdowns for cleaning or replacement of the filter screen, affecting production efficiency. Furthermore, traditional filter screens are usually disassembled and cleaned manually or backwashed, but the disassembly process is cumbersome, and backwashing often fails to completely remove the adhering impurities. After long-term use, the filter screen will gradually fail. Single-stage filtration cannot achieve both high precision and high throughput, while multi-stage filtration systems without a self-cleaning mechanism will cause each stage of the filter screen to clog quickly, resulting in high maintenance costs.

[0005] To address the aforementioned issues, this application proposes a continuous filtration system with resin pigment. Utility Model Content

[0006] In view of the problems in the related technologies, this utility model proposes a continuous filtration system with resin pigment to overcome the above-mentioned technical problems existing in the existing related technologies.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A continuous filtration system with resin pigment includes a collection box, a filter cylinder fixedly installed on the top of the collection box, a residual tank installed on the top of the filter cylinder, an inlet installed on one side of the residual tank, the collection box, the filter cylinder and the residual tank being interconnected, two placement rings slidingly connected on the inner wall of the filter cylinder, and filter covers fixedly installed on the top of the placement rings, the apertures of the two filter covers decreasing sequentially.

[0009] The impact backflow mechanism includes a pressure injection box, which is fixedly installed on the top inner wall of the collection box. A piston plate is slidably connected to the inner wall of the pressure injection box. The piston plate cooperates with two filter covers. A motor is fixedly installed on one side of the collection box. A rotating rod is fixedly installed on the output shaft of the motor. The rotating rod is connected to the piston plate in a transmission manner.

[0010] Preferably, the impact backflow mechanism further includes a push plate, which is fixedly installed at the bottom of the piston plate, and discharge holes are provided on both sides of the injection box, with the discharge holes cooperating with the piston plate.

[0011] The piston plate is pushed by the pusher plate to move, and the piston plate squeezes the injection box, thereby squeezing and pushing the resin pigment in the injection box, causing the resin pigment to flow back and act on the filter cover, performing reverse impact cleaning on the filter cover. At the same time, the setting of the discharge hole can facilitate the rapid discharge of pigment above the piston plate when the pusher plate moves downward.

[0012] Preferably, two cams are fixedly installed on the rotating rod, and a cam groove is opened on one side of the cam. Two L-shaped push rods are fixedly installed at the bottom of the push plate, and the L-shaped push rods are slidably connected to the corresponding cam grooves.

[0013] The rotating rod drives the cam to rotate. The cam is slidably connected to the L-shaped push rod through the cam groove, which in turn drives the push plate to move downward, thereby driving the piston plate to move.

[0014] Preferably, two push rods are slidably connected to one side of the filter cylinder, a crossbar is fixedly installed on one side of the push rod, and two scrapers are fixedly installed on one side of the crossbar. The two scrapers cooperate with the two sides of the filter cover.

[0015] The moving push rod drives two scrapers to move simultaneously via a crossbar. The scrapers are placed at an angle, allowing the moving scrapers to push and scrape both sides of the filter cover and push the sticky impurities downwards for collection.

[0016] Preferably, the collection box and the remaining box are slidably connected by the same moving rod, the moving rod is fixedly connected to the push plate, the same connecting rod is fixedly installed on one side of the two push rods, and a movable plate is fixedly installed on one side of the connecting rod, the movable plate is drivenly connected to the moving rod.

[0017] Preferably, an inclined groove is provided on one side of the movable plate, and a slider is slidably connected to the inner wall of the inclined groove. The slider is fixedly connected to the moving rod.

[0018] The vertically moving rod is connected to the inclined groove via a slider, which enables the movable plate to move back and forth laterally. The movable plate, through the connecting rod, drives two push rods to move laterally simultaneously.

[0019] Preferably, the filter cylinder has an opening on one side, and a door panel is rotatably connected inside the opening. The opening cooperates with two placement rings, and two limiting rods are installed on the inner walls of the front and rear sides of the filter cylinder. The limiting rods are slidably connected to the placement rings.

[0020] The opening and door panel design facilitate the opening of the filter cartridge, and the sliding connection of the placement ring via the limiting rod allows for the limiting of the placement ring.

[0021] In summary, the technical effects and advantages of this utility model are as follows:

[0022] 1. Multi-level gradient filtering design

[0023] The filter employs a double-layer filter cover with progressively smaller pore sizes to achieve gradient filtration of the pigment, thereby improving filtration accuracy. The filter cover is fixed by a sliding connection of a placement ring, facilitating disassembly and maintenance.

[0024] 2. Dynamic impact backflow cleaning mechanism

[0025] Cam-driven piston backlash: The cam is driven by a motor to rotate, and the L-shaped push rod pushes the piston plate to move up and down periodically, squeezing the pigment in the injection box to form a reverse impact flow, which effectively removes the blockage of the filter cover.

[0026] Optimized discharge port: When the piston plate moves upward, the discharge port quickly releases the pigment, avoiding pressure retention and ensuring the instantaneous high-pressure effect of the backflow impact.

[0027] 3. Linked slag scraping system

[0028] Inclined groove-slider transmission: The moving rod converts the vertical motion of the piston into the horizontal reciprocating motion of the scraper through the sliding engagement of the slider and the inclined groove, thus realizing mechanical linkage.

[0029] Angled scraper design: The scraper is installed at an angle, which can efficiently scrape off the impurities adhering to both sides of the filter cover when moving laterally, and guide the impurities to move downwards for centralized treatment.

[0030] 4. Modular and maintainable structure

[0031] The side door design of the filter cartridge, combined with the placement ring guided by the limit rod, facilitates quick disassembly and assembly of the filter cover assembly, reducing maintenance costs. The interconnected design of the empty tank, filter cartridge, and collection tank enables continuous operation and improves processing efficiency. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0033] Figure 2 This is a top view cross-sectional structural diagram of the filter cartridge of this utility model;

[0034] Figure 3 This is a schematic diagram of the cam structure of this utility model.

[0035] In the picture:

[0036] 1. Collection box; 2. Filter cartridge; 3. Residual tank; 4. Placement ring; 5. Filter cover; 6. Impact backflow mechanism; 61. Injection box; 62. Piston plate; 63. Discharge hole; 64. Push plate; 7. Moving rod; 8. Motor; 9. Cam; 10. L-shaped push rod; 11. Cam groove; 12. Rotating rod; 13. Movable plate; 14. Connecting rod; 15. Push rod; 16. Crossbar; 17. Scraper; 18. Inclined groove; 19. Sliding block; 20. Liquid inlet. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0038] Reference Figure 1-3 A continuous filtration system with resin pigment includes a collection box 1, a filter cylinder 2 fixedly installed on the top of the collection box 1, a residual tank 3 installed on the top of the filter cylinder 2, an inlet 20 installed on one side of the residual tank 3, the collection box 1, the filter cylinder 2 and the residual tank 3 are interconnected, two placement rings 4 are slidably connected on the inner wall of the filter cylinder 2, and a filter cover 5 is fixedly installed on the top of the placement rings 4, the aperture of the two filter covers 5 decreases sequentially.

[0039] The impact backflow mechanism 6 includes a pressure box 61, which is fixedly installed on the top inner wall of the collection box 1. A piston plate 62 is slidably connected to the inner wall of the pressure box 61. The piston plate 62 cooperates with two filter covers 5. A motor 8 is fixedly installed on one side of the collection box 1. A rotating rod 12 is fixedly installed on the output shaft of the motor 8. The rotating rod 12 is connected to the piston plate 62 in a transmission manner.

[0040] Reference Figure 1 and Figure 3 The impact backflow mechanism 6 also includes a push plate 64, which is fixedly installed at the bottom of the piston plate 62. Discharge holes 63 are provided on both sides of the injection box 61, and the discharge holes 63 cooperate with the piston plate 62. Two cams 9 are fixedly installed on the rotating rod 12, and a cam groove 11 is provided on one side of each cam 9. Two L-shaped push rods 10 are fixedly installed at the bottom of the push plate 64, and the L-shaped push rods 10 are slidably connected to the corresponding cam grooves 11. The rotating rod 12 drives the cams 9 to rotate, and the cams 9 are connected to the piston plate 62 via the cam grooves 11. The sliding connection of the L-shaped push rod 10 enables the push plate 64 to move downward, which in turn drives the piston plate 62 to move. The push plate 64 pushes the piston plate 62 to move, and the piston plate 62 squeezes the injection box 61, thereby squeezing and pushing the resin pigment in the injection box 61, causing the resin pigment to flow back and act on the filter cover 5, performing reverse impact cleaning on the filter cover 5. At the same time, the setting of the discharge hole 63 can facilitate the rapid discharge of pigment above the piston plate 62 when the push plate 64 moves downward.

[0041] Reference Figure 2 Two push rods 15 are slidably connected to one side of the filter cylinder 2. A crossbar 16 is fixedly installed on one side of the push rod 15. Two scrapers 17 are fixedly installed on one side of the crossbar 16. The two scrapers 17 cooperate with the two sides of the filter cover 5. The same moving rod 7 is slidably connected between the collection box 1 and the residual box 3. The moving rod 7 is fixedly connected to the push plate 64. The same connecting rod 14 is fixedly installed on one side of the two push rods 15. A movable plate 13 is fixedly installed on one side of the connecting rod 14. The movable plate 13 is connected to the moving rod 7 through a transmission. An inclined groove is opened on one side of the movable plate 13. 18. A slider 19 is slidably connected to the inner wall of the inclined groove 18. The slider 19 is fixedly connected to the moving rod 7. The vertically moving moving rod 7 is slidably connected to the inclined groove 18 through the slider 19, thereby driving the movable plate 13 to move back and forth laterally. The movable plate 13 drives two push rods 15 to move laterally simultaneously through the connecting rod 14. The moving push rods 15 drive two scrapers 17 to move simultaneously through the crossbar 16. The scrapers 17 are placed at an oblique angle, so that the moving scrapers 17 can push and scrape the sides of the filter cover 5 and push the sticky impurities downward to collect them.

[0042] Reference Figure 2 The filter cylinder 2 has an opening on one side, and a door panel is rotatably connected inside the opening. The opening cooperates with two placement rings 4. Two limiting rods are installed on the inner walls of the front and rear sides of the filter cylinder 2. The limiting rods are slidably connected to the placement rings 4. The filter cylinder 2 can be opened easily through the opening and the placement rings 4 can be limited by the sliding connection of the limiting rods.

[0043] Working principle: During operation, the resin pigment enters the residual tank 3 through the inlet 20 and is then introduced into the collection tank 1 through the filter cartridge 2. Inside the filter cartridge 2, it undergoes two filtrations under the action of the filter cover 5. Simultaneously, the motor 8 is switched on, and the output shaft of the motor 8 drives the rotating rod 12 to rotate. The rotating rod 12 drives the cam 9 to rotate. The cam 9 is slidably connected to the L-shaped push rod 10 through the cam groove 11, thereby driving the push plate 64 to move downwards, which in turn drives the piston plate 62 to move. The push plate 64 pushes the piston plate 62 to move, and the piston plate 62 squeezes the injection box 61, thereby squeezing and pushing the resin pigment inside the injection box 61, causing the resin pigment to flow back and act... On the filter cover 5, reverse impact cleaning is performed. Simultaneously, the discharge hole 63 facilitates rapid discharge of the pigment above the piston plate 62 when the push plate 64 moves downwards. The moving push plate 64 drives the moving rod 7 to move. The vertically moving moving rod 7 is slidably connected to the inclined groove 18 via the slider 19, thereby driving the movable plate 13 to move back and forth laterally. The movable plate 13 drives two push rods 15 to move laterally simultaneously via the connecting rod. The moving push rods 15 drive two scrapers 17 to move simultaneously via the crossbar 16. The scrapers 17 are placed at an angle, allowing them to scrape both sides of the filter cover 5 and push the adhering impurities downwards for collection.

[0044] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. 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 continuous filtration system with resin pigment, comprising a collection box (1), characterized in that, A filter cylinder (2) is fixedly installed on the top of the collection box (1), and a residual tank (3) is installed on the top of the filter cylinder (2). An inlet (20) is installed on one side of the residual tank (3). The collection box (1), the filter cylinder (2) and the residual tank (3) are interconnected. Two placement rings (4) are slidably connected on the inner wall of the filter cylinder (2). A filter cover (5) is fixedly installed on the top of the placement ring (4). The apertures on the two filter covers (5) decrease sequentially. The impact backflow mechanism (6) includes a pressure box (61), which is fixedly installed on the top inner wall of the collection box (1). A piston plate (62) is slidably connected to the inner wall of the pressure box (61). The piston plate (62) cooperates with two filter covers (5). A motor (8) is fixedly installed on one side of the collection box (1). A rotating rod (12) is fixedly installed on the output shaft of the motor (8). The rotating rod (12) is connected to the piston plate (62) in a transmission manner.

2. The continuous filtration system with resin pigment as described in claim 1, characterized in that, The impact backflow mechanism (6) also includes a push plate (64), which is fixedly installed at the bottom of the piston plate (62), and discharge holes (63) are provided on both sides of the injection box (61), with the discharge holes (63) cooperating with the piston plate (62).

3. The continuous filtration system with resin pigment as described in claim 2, characterized in that, Two cams (9) are fixedly installed on the rotating rod (12). A cam groove (11) is provided on one side of the cam (9). Two L-shaped push rods (10) are fixedly installed at the bottom of the push plate (64). The L-shaped push rods (10) are slidably connected to the corresponding cam grooves (11).

4. The continuous filtration system with resin pigment as described in claim 1, characterized in that, Two push rods (15) are slidably connected to one side of the filter cylinder (2). A crossbar (16) is fixedly installed on one side of the push rod (15). Two scrapers (17) are fixedly installed on one side of the crossbar (16). The two scrapers (17) cooperate with the two sides of the filter cover (5).

5. A continuous filtration system with resin pigment as described in claim 1, characterized in that, The collection box (1) and the remaining box (3) are slidably connected by the same moving rod (7). The moving rod (7) is fixedly connected to the push plate (64). The same connecting rod (14) is fixedly installed on one side of the two push rods (15). A movable plate (13) is fixedly installed on one side of the connecting rod (14). The movable plate (13) is connected to the moving rod (7) in a transmission manner.

6. A continuous filtration system with resin pigment as described in claim 5, characterized in that, A groove (18) is provided on one side of the movable plate (13), and a slider (19) is slidably connected to the inner wall of the groove (18). The slider (19) is fixedly connected to the moving rod (7).

7. A continuous filtration system with resin pigment as described in claim 1, characterized in that, The filter cylinder (2) has an opening on one side, and a door panel is rotatably connected inside the opening. The opening cooperates with two placement rings (4). Two limiting rods are installed on the inner walls of the front and rear sides of the filter cylinder (2), and the limiting rods are slidably connected to the placement rings (4).