A colour matching apparatus for preparing a paint

Abstract

The utility model relates to the technical field of paint production equipment, and disclose a kind of colour-matching equipment for preparation of paint, including base and stir tank movably arranged on base, support frame is arranged on base and is raised and lowered, and rotating shaft is rotatably connected on support frame by drive motor, further comprising: fixed mounting the dispersion disc on the end of rotating shaft, the edge of dispersion disc is evenly distributed with the upper dispersion tooth and lower dispersion tooth of alternate arrangement in circumference;Annular equidistance is opened on dispersion disc Arc-shaped through-hole, first arc-shaped plate and second arc-shaped plate are fixedly connected on arc-shaped through-hole;The utility model is set through the upper dispersion tooth and lower dispersion tooth and deflector, can divide material flow path, break laminar state, increase material collision and mixing opportunity, when running, make material change flow direction, promote different regional material mixing, reduce local accumulation, benefit each component fully fusion, improve dispersion precision.

Description

Technical Field

[0001] This utility model relates to the technical field of coating production equipment, specifically a color matching device for preparing coatings. Background Technology

[0002] As a functional material widely used in construction, automobiles, furniture and other fields, paint color is not only a core element of appearance decoration, but also carries additional functions such as identification and protection. Therefore, paint color matching needs to meet diverse visual needs and functional requirements. This requires strict control over the accuracy, uniformity and stability of color during the production process to ensure color consistency between the same batch and different batches of products.

[0003] In the process of paint color matching, the disperser is the core equipment for achieving uniform mixing of color paste and base material. Its operation process usually includes the following steps: First, the paint base material (such as resin, solvent, etc.) is added into the mixing tank through the feed port; then, the drive motor is started, driving the dispersion shaft and the dispersion disc mounted on the shaft to rotate at high speed; next, the color paste is gradually added into the mixing tank according to the preset formula. The dispersion disc, through the shearing force and impact force generated by the high-speed rotation, breaks up the pigment particles in the color paste and evenly disperses them into the base material; during the mixing process, some equipment will adjust the mixing state through circulating stirring or intermediate sampling and testing, and finally obtain the finished paint product that meets the color requirements, which is discharged through the bottom outlet.

[0004] In practical use, certain problems exist. The serrations on traditional dispersion discs are mostly straight-tooth structures. When rotating at high speed, the shearing action on the material is relatively unidirectional, making it difficult to effectively handle high-viscosity coatings or inorganic pigments that are difficult to disperse. This often leads to insufficient dispersion and poor color uniformity of the coating. On the other hand, due to the relatively simple structure of the dispersion disc, it is difficult to effectively guide and change the flow path of the coating during operation, which easily causes local accumulation of coating. This not only reduces the accuracy of coating dispersion but also hinders the full integration of the coating components. Therefore, we urgently need a mixing device for preparing coatings to solve the above problems. Utility Model Content

[0005] This invention provides a color matching device for preparing coatings. By setting up arc-shaped grooves, arc-shaped protrusions and guide plates, it solves the problem that traditional straight-tooth shearing has a single direction and is difficult to effectively handle high-viscosity coatings or inorganic pigments that are difficult to disperse, resulting in insufficient coating dispersion and poor color uniformity. Through the cooperation of arc-shaped through holes and the first arc-shaped plate and the second arc-shaped plate, it avoids the phenomenon of local coating accumulation caused by the simple structure of the dispersion disk in traditional equipment, and solves the problems of low coating dispersion accuracy and difficulty in fully integrating the components.

[0006] This utility model provides the following technical solution: A color matching device for preparing coatings includes a base and a stirring tank movably mounted on the base. A support frame is raised and lowered on the base, and a rotating rod is rotatably connected to the support frame via a drive motor. The device also includes a dispersion disc fixedly mounted at the end of the rotating rod, wherein alternating upper and lower dispersion teeth are evenly distributed around the edge of the dispersion disc; and annularly spaced arc-shaped through holes are provided on the dispersion disc, wherein a first arc-shaped plate and a second arc-shaped plate are fixedly connected to the arc-shaped through holes. When the dispersion disc rotates, an upper and lower circulating flow channel is formed between the first and second arc-shaped plates.

[0007] As a preferred embodiment of this utility model, both the upper and lower dispersing teeth extend with a direction perpendicular to the surface of the dispersing disk as a reference. The ends of the upper dispersing teeth extend upward at an angle, and the lower dispersing teeth are located between two adjacent sets of upper dispersing teeth, with their ends extending downward at an angle.

[0008] As a preferred technical solution of this utility model, the upper dispersing teeth are symmetrically provided with arc-shaped grooves for converging shear force, and the lower dispersing teeth are provided with two sets of arc-shaped protrusions for diffusing shear force.

[0009] As a preferred embodiment of this utility model, both the upper and lower dispersion teeth are fixedly connected with guide plates for dividing the flow path.

[0010] As a preferred technical solution of this utility model, the arc-shaped through hole is mainly composed of two parallel straight edges and two symmetrical and tangent circular arc edges. The first arc plate is located on the upper part of the dispersion disk, and its end is fixedly connected to one of the straight edges. The second arc plate is located on the lower part of the dispersion disk, and its end is fixedly connected to the other straight edge. The first arc plate and the second arc plate are staggered.

[0011] As a preferred technical solution of this utility model, a plurality of guide grooves are equally spaced on both the first arc plate and the second arc plate.

[0012] As a preferred embodiment of this utility model, the included angle between the first arc-shaped plate and the second arc-shaped plate and the dispersing disk is 15°-20°.

[0013] Compared with the prior art, the present invention provides a color matching device for preparing coatings, which has the following beneficial effects: 1. In this color matching equipment for preparing coatings, the upper and lower dispersion teeth and the guide plate can divide the material flow path, break the laminar flow state, increase the chance of material collision and mixing, and change the flow direction of the material during operation, promote the mixing of materials in different areas, reduce local accumulation, facilitate the full integration of each component, and improve the dispersion accuracy.

[0014] 2. In this paint mixing equipment, the use of arc-shaped through-holes, a first arc-shaped plate, and a second arc-shaped plate guides the material to circulate vertically during rotation, enabling material exchange and mixing in different areas. This avoids localized stagnation and accumulation, promoting the stirring and dispersion of high-viscosity paints and paints containing a large number of pigment particles. The guide channel further divides the material into multiple streams, increasing the surface area and creating eddies and turbulence. This further enhances the shearing effect, allowing the material to disperse more fully during circulation, improving dispersion accuracy and efficiency.

[0015] The parts not covered in this device are the same as or can be implemented using existing technologies. This utility model solves the problems of insufficient dispersion and poor color uniformity of coatings, effectively guides and changes the flow path of the coatings, avoids the local accumulation of coatings caused by the simple structure of the dispersion disc in traditional equipment, and solves the problems of low coating dispersion accuracy and difficulty in fully integrating the components. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of a partial structure of the present invention. Figure 1 ; Figure 3 This is a schematic diagram of the rotating rod and dispersing disc structure of this utility model; Figure 4 This is a schematic diagram of a partial structure of the present invention. Figure 2 .

[0018] In the diagram: 1. Base; 2. Mixing tank; 3. Support frame; 4. Rotating rod; 5. Dispersion disc; 6. Upper dispersion teeth; 7. Lower dispersion teeth; 8. Arc-shaped through hole; 9. First arc-shaped plate; 10. Second arc-shaped plate; 11. Arc-shaped groove; 12. Arc-shaped protrusion; 13. Guide plate; 14. Guide channel. Detailed Implementation

[0019] 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. Example

[0020] Reference Figures 1-4 A color matching device for preparing coatings includes a base 1 and a mixing tank 2 movably mounted on the base 1. A support frame 3 is lifted and lowered on the base 1, and a rotating rod 4 is rotatably connected to the support frame 3 via a drive motor.

[0021] In this embodiment, the support frame 3 is raised and lowered by a lifting mechanism, which includes a lifting drive motor, a chain, and a sprocket. The sprockets are respectively mounted on the base 1 and the support frame 3, and the chain is wound around the sprocket. The lifting drive motor is connected to one of the sprockets for transmission. By driving the sprocket to rotate, the chain is moved, thereby realizing the raising and lowering of the support frame 3. The drive motor is model Y2-132M-4, with a power of 5.5kW. The rotating rod 4 has a diameter of 50mm and a length of 1.2m. Driven by the drive motor, the power can be stably transmitted to the dispersing disc 5, ensuring that the dispersing disc 5 can rotate at high speed.

[0022] It also includes a dispersion disk 5 fixedly installed at the end of the rotating rod 4. The upper dispersion tooth 6 and the lower dispersion tooth 7 both extend with a direction perpendicular to the disk surface of the dispersion disk 5 as a reference. The end of the upper dispersion tooth 6 extends upward at an angle, and the lower dispersion tooth 7 is located between two adjacent sets of upper dispersion teeth 6, and its end extends downward at an angle. The upper dispersion tooth 6 is symmetrically provided with arc-shaped grooves 11 for converging shear force, and the lower dispersion tooth 7 is provided with two sets of arc-shaped protrusions 12 for diffusing shear force. Both the upper dispersion tooth 6 and the lower dispersion tooth 7 are fixedly connected with guide plates 13 for dividing the flow path.

[0023] In this embodiment, the number of upper dispersing teeth 6 and lower dispersing teeth 7 on the dispersing disk 5 are equal and spaced apart. The main body of the upper dispersing tooth 6 is perpendicular to the edge of the dispersing disk 5 at a 90° angle, and its free end extends upward at an angle preferably 6°. The tooth length is 1 / 6 of the radius of the dispersing disk 5. The main body of the lower dispersing tooth 7 is perpendicular to the edge of the dispersing disk 5, and its free end extends downward at an angle preferably 6°. The tooth length is the same as that of the upper dispersing tooth 6, and the plane where its tooth tip is located is lower than the surface of the dispersing disk 5, preferably 4mm, forming a vertical height difference of 9mm with the tooth tip of the upper dispersing tooth 6.

[0024] Furthermore, the arc-shaped groove 11 is located in the middle of the upper dispersion tooth 6, and its groove depth is 3mm. The arc-shaped protrusion 12 is "progressively raised" from the tooth root to the tooth tip. The highest protrusion is located in the middle of the tooth body, and its height is preferably 3mm. The radius of curvature of the protrusion surface is 1 / 4 of the tooth length.

[0025] Here, during operation, the upper dispersing teeth 6 and the lower dispersing teeth 7 can act on different layers of coatings within the mixing tank 2. For high-viscosity coatings, they can more effectively break down internal viscous bonds. For difficult-to-disperse inorganic pigments, they can ensure that they are subjected to sufficient shear force at different heights, improving dispersion and color uniformity. The arc-shaped groove 11 of the upper dispersing teeth 6 gathers the material towards the tooth tip during rotation, forming a local high-pressure shear zone, effectively grabbing and tearing agglomerated pigment particles. The arc-shaped protrusion 12 of the lower dispersing teeth 7 diverts the material to both sides, expanding the shear range and promoting the full dispersion of pigment particles into the base material. Its guide plate 13 changes the flow direction of the material, increasing the collision and mixing opportunities between materials, promoting the mixing of materials in different areas, reducing local accumulation, and facilitating the full integration of the coating components, thus improving dispersion accuracy.

[0026] An annularly spaced arc-shaped through-holes 8 are formed on the dispersion disk 5. A first arc-shaped plate 9 and a second arc-shaped plate 10 are fixedly connected to the arc-shaped through-holes 8. The arc-shaped through-holes 8 are mainly composed of two parallel straight edges and two symmetrical and tangent circular arc edges. The first arc-shaped plate 9 is located on the upper part of the dispersion disk 5, and its end is fixedly connected to one of the straight edges. The second arc-shaped plate 10 is located on the lower part of the dispersion disk 5, and its end is fixedly connected to the other straight edge. The first arc-shaped plate 9 and the second arc-shaped plate 10 are staggered. Several guide grooves 14 are equally spaced on the first arc-shaped plate 9 and the second arc-shaped plate 10. The included angle between the first arc-shaped plate 9 and the second arc-shaped plate 10 and the dispersion disk 5 is 15°-20°. When the dispersion disk 5 rotates, an upper and lower circulating flow channel is formed between the first arc-shaped plate 9 and the second arc-shaped plate 10.

[0027] In this embodiment, the first arc plate 9 and the second arc plate 10 are 2mm thick and have the same length as the straight side of the arc-shaped through hole 8. They are staggered and have an angle of 18° with the dispersing disk 5. This structure can form an upper and lower circulation channel. The 18° angle ensures a good flow guiding effect without excessively increasing resistance. Under the rotation of the dispersing disk 5, the first arc plate 9 and the second arc plate 10 guide the material to form an upper and lower circulation channel, so that the material forms a circulation flow in the upper and lower parts of the dispersing disk 5, realizing the exchange and mixing of materials in different areas, avoiding local stagnation and accumulation, and promoting the stirring and dispersion of high viscosity coatings and coatings containing a large number of pigment particles.

[0028] Furthermore, the guide channel 14 has a width of 1cm and a depth of 0.5cm, and is equidistantly distributed on the corresponding first arc plate 9 and second arc plate 10. It can divide the material into multiple flow rates, further increasing the surface area of ​​the material, disturbing the material to form eddies and turbulence, enhancing the shearing effect, and making the material more fully dispersed during the circulation process, thereby improving the accuracy and efficiency of coating dispersion.

[0029] It should be noted that the surfaces of the first arc plate 9 and the second arc plate 10 can be arc-shaped or wavy.

[0030] In this invention, the mixing tank 2 is moved below the dispersion disc 5. The chain and sprocket are driven by the lifting drive motor. The height of the support frame 3 is adjusted so that the dispersion disc 5 extends into the material inside the mixing tank 2. The drive motor on the rotating rod 4 is started, and the rotating rod 4 drives the dispersion disc 5 to rotate. The arc-shaped groove 11 of the upper dispersion teeth 6 gathers shear force to grab and tear the material, while the arc-shaped protrusion 12 of the lower dispersion teeth 7 diffuses the shear force to promote material diffusion. The guide plate 13 divides the flow path of the coating. During the rotation of the dispersion disc 5, the coating first enters the area of ​​the first arc plate 9 and the arc-shaped through hole 8. With its tilt angle and the guide groove 14, the coating is pressed downward and passes through the arc-shaped through hole 8. The coating will contact the guide groove 14 on the second arc plate 10 and be discharged, guiding the coating to circulate up and down, driving the exchange and mixing of coatings in different areas, and avoiding local stagnation and accumulation. After dispersion is completed, the support frame 3 is moved upward by the lifting mechanism to remove the dispersion disc 5 from the mixing tank 2.

[0031] Components not described in detail in this article are existing technologies.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A color matching device for preparing coatings, comprising a base (1) and a mixing tank (2) movably disposed on the base (1), wherein a support frame (3) is movably disposed on the base (1), and a rotating rod (4) is rotatably connected to the support frame (3) via a drive motor, characterized in that, Also includes: A dispersion disk (5) is fixedly installed at the end of the rotating rod (4). The edge of the dispersion disk (5) is evenly distributed with alternating upper dispersion teeth (6) and lower dispersion teeth (7). An annularly spaced arc-shaped through hole (8) is opened on the dispersion disk (5). A first arc-shaped plate (9) and a second arc-shaped plate (10) are fixedly connected to the arc-shaped through hole (8). When the dispersion disk (5) rotates, an upper and lower circulating flow channel is formed between the first arc-shaped plate (9) and the second arc-shaped plate (10).

2. The color matching equipment for preparing coatings according to claim 1, characterized in that, Both the upper dispersing tooth (6) and the lower dispersing tooth (7) extend with a direction perpendicular to the surface of the dispersing disk (5) as a reference. The end of the upper dispersing tooth (6) extends upward at an angle, and the lower dispersing tooth (7) is located between two adjacent sets of upper dispersing teeth (6), and its end extends downward at an angle.

3. The color matching equipment for preparing coatings according to claim 2, characterized in that, The upper dispersing tooth (6) is symmetrically provided with arc-shaped grooves (11) for converging shear force, and the lower dispersing tooth (7) is provided with two sets of arc-shaped protrusions (12) for diffusing shear force.

4. The color matching equipment for preparing coatings according to claim 3, characterized in that, Both the upper dispersion tooth (6) and the lower dispersion tooth (7) are fixedly connected with guide plates (13) for dividing the flow path.

5. The color matching equipment for preparing coatings according to claim 1, characterized in that, The arc-shaped through hole (8) is mainly composed of two parallel straight edges and two symmetrical and tangent radius arc edges. The first arc plate (9) is located on the upper part of the dispersion disk (5), and its end is fixedly connected to one of the straight edges. The second arc plate (10) is located on the lower part of the dispersion disk (5), and its end is fixedly connected to the other straight edge. The first arc plate (9) and the second arc plate (10) are staggered.

6. The color matching equipment for preparing coatings according to claim 5, characterized in that, Both the first arc plate (9) and the second arc plate (10) are provided with a number of guide grooves (14) at equal intervals.

7. The color matching equipment for preparing coatings according to claim 6, characterized in that, The included angle between the first arc plate (9) and the second arc plate (10) and the dispersion disk (5) is 15°-20°.

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