A dilution device for the production of water-based pigment pastes

By combining gear transmission and piston block with the air cylinder spraying ring design, the problem of uneven dilution of water-based pigment pastes is solved, achieving a highly efficient dilution effect.

CN224442756UActive Publication Date: 2026-07-03SHANDONG MOCAIDE NEW MATERIALS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG MOCAIDE NEW MATERIALS CO LTD
Filing Date
2025-08-05
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

In the existing technology, the dilution process of water-based pigment pastes is uneven due to the density difference between the diluent and the pigment, resulting in low dilution efficiency.

Method used

A gear transmission system drives a reciprocating screw and piston block, which, together with an air cylinder and spray ring, enables intermittent spraying of the diluent, avoiding stratification caused by excessive diluent. The stirring process is controlled by a servo motor.

Benefits of technology

It achieves uniform dilution of water-based pigment pastes, improves dilution efficiency, and avoids the problem of stratification after stirring.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the technical field of dilution devices, and discloses a dilution device for the production of water-based pigment pastes. The device includes a dilution tank, a storage tank fixedly installed on the outside of the tank, a liquid inlet at the top of the side wall of the tank, a liquid outlet at the bottom of the side wall, a first gear at the center of the top of the tank, and a stirring frame inside the tank. The top end of the stirring frame is movably mounted on the tank, and the top of the stirring frame is fixedly connected to the first gear. This utility model uses the first gear to drive a second gear, which in turn controls a connecting plate on a reciprocating screw to drive a piston block to move up and down. The piston block, in conjunction with an air cylinder, continuously injects air into the storage tank, causing the diluent in the storage tank to be intermittently sprayed onto the pigment in the dilution tank for stirring and dilution. This avoids the situation where excessive diluent leads to stratification after stirring, resulting in uneven dilution and low dilution efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of dilution device technology, and in particular to a dilution device for the production of water-based pigment pastes. Background Technology

[0002] Color pastes are semi-finished products made by dispersing pigments or pigments and fillers within paint. Those using pure oil as a binder are called oil-based color pastes. Those using resin paint as a binder are called resin-based color pastes. Those dispersed in water with added surfactants are called water-based color pastes.

[0003] Existing methods for diluting color pastes typically involve pouring the color paste and a measured amount of aqueous diluent together into a mixing device for stirring and dilution. However, the density difference between the color paste and the aqueous diluent is significant. Directly pouring a large amount of aqueous diluent into the mixing device can easily cause liquid stratification, resulting in uneven color paste dilution and low dilution efficiency. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a dilution device for the production of water-based pigment pastes.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A dilution device for producing water-based pigment paste includes a dilution tank, a storage tank fixedly installed on the outside of the dilution tank, a liquid inlet at the top of the side wall of the dilution tank, a liquid outlet at the bottom of the side wall of the dilution tank, a first gear at the middle of the top of the dilution tank, a stirring frame inside the dilution tank, the top end of the stirring frame being movably mounted on the dilution tank, the top of the stirring frame being fixedly connected to the first gear, a second gear being located to the left of the first gear, the first gear and the second gear meshing, a fixing frame fixedly installed on the top of the dilution tank, a servo motor fixedly installed on the fixing frame, the output end of the servo motor being fixedly connected to the second gear, an air cylinder inside the storage tank, a piston block movably installed inside the air cylinder, a movable rod fixedly installed on the top of the piston block, a spray ring fixedly installed on the top of the dilution tank, spray nozzles fixedly installed at equal intervals at the bottom of the spray ring, a connecting pipe fixedly installed on the bottom of the storage tank, the other end of the connecting pipe being fixedly connected to the spray ring.

[0007] As a further embodiment of this utility model, a reciprocating screw is provided on the right side of the first gear. The reciprocating screw is movably mounted on the dilution tank. A third gear is fixedly mounted on the reciprocating screw at a position corresponding to the first gear. The third gear meshes with the first gear. A connecting plate is movably mounted on the reciprocating screw. The top of the movable rod is fixedly connected to the connecting plate.

[0008] As a further embodiment of this utility model, an air inlet is provided on the piston block, an air inlet valve is fixedly installed at the air inlet position on the top of the piston block, an air outlet is provided at the bottom of the air cylinder, and an air outlet valve is fixedly installed on the outside of the air outlet of the air cylinder.

[0009] As a further embodiment of this utility model, a limiting rod is fixedly installed on the top of the dilution tank, and the connecting plate is movably sleeved on the limiting rod.

[0010] As a further embodiment of this utility model, a dust cover is fixedly installed on the top of the liquid storage tank at the position corresponding to the air cylinder.

[0011] As a further embodiment of this invention, a sealing cover is movably installed on the top of the liquid storage tank.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] In this invention, the connecting plate on the reciprocating screw is controlled by the first gear driving the second gear to drive the piston block to move up and down. The piston block and the air cylinder work together to continuously pump air into the storage tank, so that the diluent in the storage tank is intermittently sprayed onto the pigment in the dilution tank for stirring and dilution. This avoids the situation where too much diluent causes stratification after stirring, resulting in uneven dilution of the pigment and low dilution efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of a dilution device for producing water-based pigment pastes according to this utility model.

[0015] Figure 2 This is a schematic diagram of the internal structure of a dilution device for producing water-based pigment pastes according to this utility model.

[0016] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;

[0017] Figure 4 This is a partial structural schematic diagram of a dilution device for producing water-based pigment pastes according to the present invention.

[0018] In the diagram: 1. Dilution tank; 2. Storage tank; 3. Inlet; 4. Outlet; 5. First gear; 6. Second gear; 7. Fixing frame; 8. Servo motor; 9. Third gear; 10. Reciprocating screw; 11. Connecting plate; 12. Limiting rod; 13. Moving rod; 14. Sealing cover; 15. Dust cover; 16. Connecting pipe; 17. Stirring frame; 18. Spraying ring; 19. Air cylinder; 20. Piston block; 21. Air inlet valve; 22. Air outlet valve; 23. Nozzle. Detailed Implementation

[0019] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0020] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] Reference Figure 1 - Figure 4A dilution device for producing water-based pigment paste includes a dilution tank 1, a storage tank 2 fixedly installed on the outside of the dilution tank 1, a liquid inlet 3 at the top of the side wall of the dilution tank 1, a liquid outlet 4 at the bottom of the side wall of the dilution tank 1, a first gear 5 at the middle of the top of the dilution tank 1, a stirring rack 17 installed inside the dilution tank 1, the top end of the stirring rack 17 being movably mounted on the dilution tank 1, the top of the stirring rack 17 being fixedly connected to the first gear 5, a second gear 6 being provided on the left side of the first gear 5, the first gear 5 and the second gear 6 meshing with each other, a fixing frame 7 fixedly installed on the top of the dilution tank 1, a servo motor 8 fixedly installed on the fixing frame 7, and the output end of the servo motor 8 being fixedly connected to the second gear 6. An air cylinder 19 is installed in the storage tank 2, and a piston block 20 is movably installed in the air cylinder 19. A movable rod 13 is fixedly installed on the top of the piston block 20. A spray ring 18 is fixedly installed on the top of the dilution tank 1, and a nozzle 23 is fixedly installed at equal intervals on the bottom of the spray ring 18. A connecting pipe 16 is fixedly installed on the bottom of the storage tank 2, and the other end of the connecting pipe 16 is fixedly connected to the spray ring 18. The pigment is injected into the dilution tank 1 through the liquid inlet 3. Then, the sealing cover 14 on the storage tank 2 is opened, and the diluent is poured into the storage tank 2. Subsequently, the servo motor 8 is started to drive the second gear 6 to rotate. The second gear 6 will drive the first gear 5 to rotate. The first gear 5 can drive the stirring rack 17 to stir the contents of the dilution tank 1.

[0023] In this embodiment, a reciprocating screw 10 is provided on the right side of the first gear 5. The reciprocating screw 10 is movably mounted on the dilution tank 1. A third gear 9 is fixedly mounted on the reciprocating screw 10 at the position corresponding to the first gear 5. The third gear 9 meshes with the first gear 5. A connecting plate 11 is movably mounted on the reciprocating screw 10. The top of the movable rod 13 is fixedly connected to the connecting plate 11. When the first gear 5 rotates, it can drive the third gear 9 to control the rotation of the reciprocating screw 10. The reciprocating screw 10 can control the up and down movement of the connecting plate 11. The connecting plate 11 can drive the movable rod 13 to control the up and down movement of the piston block 20 in the air cylinder 19.

[0024] In this embodiment, an air inlet is provided on the piston block 20, and an air inlet valve 21 is fixedly installed at the air inlet position on the top of the piston block 20. An air outlet is provided at the bottom of the air cylinder 19, and an air outlet valve 22 is fixedly installed on the outside of the air outlet of the air cylinder 19. When the piston block 20 moves upward, air enters the air cylinder 19 through the air inlet valve 21, and when the piston block 20 moves downward, it is discharged into the liquid storage tank 2 through the air outlet valve 22.

[0025] In this embodiment, a limiting rod 12 is fixedly installed on the top of the dilution tank 1, and the connecting plate 11 is movably sleeved on the limiting rod 12, which can limit the connecting plate 11 and prevent it from rotating.

[0026] In this embodiment, a dust cover 15 is fixedly installed on the top of the liquid storage tank 2 at the position corresponding to the air cylinder 19, which can prevent dust in the air from being sucked into the diluent in the liquid storage tank 2.

[0027] In this embodiment, a sealing cover 14 is movably installed on the top of the liquid storage tank 2, which can seal the liquid storage tank 2.

[0028] From the above description, it can be seen that the above embodiments of this utility model achieve the following technical effects: In use, the pigment is injected into the dilution tank 1 through the inlet 3, and then the sealing cover 14 on the storage tank 2 is opened to pour the diluent into the storage tank 2. Then the storage tank 2 is sealed by the sealing cover 14. Subsequently, the servo motor 8 is started to drive the second gear 6 to rotate. The second gear 6 will drive the first gear 5 to rotate. The first gear 5 can drive the stirring rack 17 to stir the contents of the dilution tank 1. When the first gear 5 rotates, it can drive the third gear 9 to control the reciprocating screw 10 to rotate. The reciprocating screw 10 can control the connecting plate 11 to move up and down. The connecting plate 11 can drive the movable rod 13 to control the piston block 20 to move up and down in the air cylinder 19. When the stopper 20 moves upward, air enters the air cylinder 19 through the air inlet valve 21. When the piston block 20 moves downward, it is discharged into the liquid storage tank 2 through the air outlet valve 22. When the air enters the liquid storage tank 2, it will squeeze the diluent in the liquid storage tank 2. At this time, the diluent will enter the spray ring 18 through the connecting pipe 16, and then be sprayed onto the pigment in the dilution tank 1 through the nozzle 23 on the spray ring 18. Through the cooperation of the piston block 20 and the air cylinder 19, air can be continuously pumped into the liquid storage tank 2, so that the diluent in the liquid storage tank 2 is intermittently sprayed onto the pigment in the dilution tank 1 for stirring and dilution. This avoids the situation where too much diluent causes stratification after stirring, resulting in uneven dilution of the pigment and low dilution efficiency. After dilution is completed, the water-based pigment can be discharged out of the dilution tank 1 through the drain port 4.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are only illustrative of the principles of this utility model. Various changes and modifications may be made to this utility model without departing from the spirit and scope of this utility model, and all such changes and modifications fall within the scope of this utility model as claimed.

Claims

1. A dilution device for producing an aqueous pigment paste, comprising a dilution tank (1), characterized in that A storage tank (2) is fixedly installed on the outside of the dilution tank (1). An inlet (3) is provided on the top of the side wall of the dilution tank (1), and a drain (4) is provided on the bottom of the side wall of the dilution tank (1). A first gear (5) is located in the middle of the top of the dilution tank (1). A stirring rack (17) is provided inside the dilution tank (1). The top end of the stirring rack (17) is movably installed on the dilution tank (1). The top of the stirring rack (17) is fixedly connected to the first gear (5). A second gear (6) is provided on the left side of the first gear (5). The first gear (5) and the second gear (6) mesh with each other. The top of the dilution tank (1) is fixedly installed with... A fixed frame (7) is provided, on which a servo motor (8) is fixedly installed. The output end of the servo motor (8) is fixedly connected to the second gear (6). An air cylinder (19) is provided in the liquid storage tank (2). A piston block (20) is movably installed in the air cylinder (19). A movable rod (13) is fixedly installed on the top of the piston block (20). A spray ring (18) is fixedly installed on the top of the dilution tank (1). Spray nozzles (23) are fixedly installed at equal intervals on the bottom of the spray ring (18). A connecting pipe (16) is fixedly installed on the bottom of the liquid storage tank (2). The other end of the connecting pipe (16) is fixedly connected to the spray ring (18).

2. The dilution device for producing an aqueous pigment paste according to claim 1, characterized in that A reciprocating screw (10) is provided on the right side of the first gear (5). The reciprocating screw (10) is movably mounted on the dilution tank (1). A third gear (9) is fixedly mounted on the reciprocating screw (10) at the position corresponding to the first gear (5). The third gear (9) meshes with the first gear (5). A connecting plate (11) is movably mounted on the reciprocating screw (10). The top of the movable rod (13) is fixedly connected to the connecting plate (11).

3. The dilution device for producing an aqueous pigment paste according to claim 1, characterized in that The piston block (20) has an air inlet hole on its upper part. An air inlet valve (21) is fixedly installed at the air inlet hole position on the top of the piston block (20). An air outlet hole is provided at the bottom of the air cylinder (19). An air outlet valve (22) is fixedly installed on the outside of the air outlet hole of the air cylinder (19).

4. The dilution device for producing an aqueous pigment paste according to claim 2, characterized in that A limiting rod (12) is fixedly installed on the top of the dilution tank (1), and the connecting plate (11) is movably sleeved on the limiting rod (12).

5. The dilution device for producing an aqueous pigment paste according to claim 1, characterized in that, A dust cover (15) is fixedly installed on the top of the liquid storage tank (2) at the position corresponding to the air cylinder (19).

6. The dilution device for producing an aqueous pigment paste according to claim 1, characterized in that The top of the liquid storage tank (2) is movably fitted with a sealing cover (14).