Mixing device for compounding thermosensitive coating liquid

Abstract

The utility model relates to the technical field of coating liquid mixing equipment, in particular to a thermosensitive coating liquid compounding mixing device which comprises a stirring container with an opening in the top and a packaging cover used for packaging the opening in the top of the stirring container. A reducing area is arranged at the bottom of the inner cavity of the stirring container; the diameter of the reducing area is gradually reduced from the top to the bottom of the stirring container; a straight-barrel-shaped feeder is installed at the end of the packaging cover, the two ends of the feeder are open, the opening in one end of the feeder faces the end of the packaging cover, a rotating shaft is arranged in the middle of the feeder, the rotating shaft is rotationally connected to the packaging cover, and the rotating shaft is driven by a motor. According to the embodiment of the invention, the vertically arranged feeder and the blade group are matched to form the negative pressure area, so that the material at the bottom of the stirring container can be pumped to the top of the inner cavity of the stirring container, various components in the stirring cavity can be well homogenized, and the stirring effect and the stirring efficiency of the coating liquid are remarkably improved.

Description

Technical Field

[0001] The present application relates to the technical field of coating liquid mixing equipment, and in particular to a mixing device for compounding heat-sensitive coating liquids. Background Art

[0002] When compounding the thermal coating liquid, several sols and dispersants need to be mixed together. The density of each component is inconsistent. During mixing, the stirring component has little effect on the bottom material, which will lead to poor stirring effect for materials with high density or at the bottom of the stirring tank. Utility Model Content

[0003] In response to the shortcomings of the existing technology, the present application provides a mixing device for compounding heat-sensitive coating liquids. The embodiment of the present application forms a negative pressure zone by cooperating with a vertically arranged feeder and a blade group, so that the material at the bottom of the stirring container can be pumped to the top of the inner cavity of the stirring container, so that the various components inside the stirring chamber can obtain a good homogenization effect, which significantly improves the stirring effect and stirring efficiency of the coating liquid.

[0004] The above-mentioned application objectives of this application are achieved through the following technical solutions:

[0005] A mixing device for compounding a heat-sensitive coating liquid, comprising a stirring container with an opening at the top and a sealing cover for sealing the opening at the top of the stirring container;

[0006] The bottom of the inner cavity of the stirring container is provided with a diameter-varying area, and the diameter of the diameter-varying area gradually decreases from the top to the bottom of the stirring container;

[0007] A straight-cylindrical feeder is installed at the end of the packaging cover. Both ends of the feeder are open, and the opening of one end of the feeder faces the end of the packaging cover. A rotating shaft is provided in the middle of the feeder, and the rotating shaft is rotatably connected to the packaging cover. The rotating shaft is driven by a motor, and a blade group is provided at the end of the rotating shaft away from the packaging cover. The blade group is located inside the feeder. When the rotating shaft rotates, the rotating blade group forms a negative pressure area between the blade group and the end surface of the feeder away from the packaging cover.

[0008] When the mixing device is in working state, the packaging cover is buckled on the top of the stirring container, and the end of the feeder away from the packaging cover is in the diameter-changing area.

[0009] Optionally, the feeder is provided with a plurality of through holes.

[0010] Optionally, a protrusion is provided at the middle of the bottom end of the diameter-changing area.

[0011] Optionally, the protrusion is conical, and the outer diameter of the protrusion gradually increases from the top to the bottom of the stirring container.

[0012] Optionally, a shielding cover is provided on the outer side of the end of the feeder away from the packaging cover, and the shielding cover is sleeved on the outer side of the end of the feeder away from the packaging cover, and the inner diameter of the shielding cover gradually increases from the top to the bottom of the stirring container.

[0013] Optionally, a connecting rod is provided on the outer side of the feeder, and one end of the connecting rod away from the feeder is fixedly connected to the packaging cover.

[0014] In summary, this application has the following beneficial technical effects:

[0015] The embodiment of the present application forms a negative pressure zone by cooperating with a vertically arranged feeder and a blade group, so that the material at the bottom of the stirring container can be pumped to the top of the inner cavity of the stirring container, so that the various components inside the stirring cavity can obtain a good homogenization effect, which significantly improves the stirring effect and stirring efficiency of the coating liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a cross-sectional schematic diagram of an embodiment of the present application;

[0017] Figure 2 is a schematic cross-sectional view of a protrusion according to an embodiment of the present application;

[0018] Figure 3 It is a schematic cross-sectional view of an embodiment of the present application.

[0019] Reference numerals: 10, stirring container; 11, diameter-changing area; 12, protrusion;

[0020] 20. Packaging cover; 21. Feeder; 22. Rotating shaft; 23. Blade assembly; 24. Negative pressure area; 25. Through hole; 26. Shielding cover; 27. Connecting rod. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1 -Attached Figure 3 This application is described in further detail.

[0022] The embodiment of the present application provides a mixing device for compounding a heat-sensitive coating liquid, comprising a stirring container 10 with an opening at the top and a sealing cover 20 for sealing the opening at the top of the stirring container 10. When the mixing device is in operation, the sealing cover 20 is buckled onto the top of the stirring container 10.

[0023] The interior of the stirring container 10 is a stirring chamber, and the bottom of the stirring chamber has a diameter-varying area 11. The diameter of the inner wall of the diameter-varying area 11 gradually decreases from the top to the bottom of the stirring container 10.

[0024] A straight tubular feeder 21 is installed at the end of the packaging cover 20. Both ends of the feeder 21 are open, and the opening of one end of the feeder 21 faces the end of the packaging cover 20. A rotating shaft 22 is provided inside the feeder 21. The rotating shaft 22 is rotatably connected to the packaging cover 20. The rotating shaft 22 is driven by a motor. A blade group 23 for stirring the material is provided at the end of the rotating shaft 22 away from the packaging cover 20. The blade group 23 is located inside the feeder 21. When the rotating shaft 22 rotates, the rotating blade group 23 forms a negative pressure zone 24 between the blade group 23 and the end face of the feeder 21 away from the packaging cover 20. When the mixing device is in working state, the packaging cover 20 is buckled on the top of the stirring container 10, and the end of the feeder 21 away from the packaging cover 20 is in the diameter-changing zone 11.

[0025] The following is a further introduction based on specific usage scenarios.

[0026] During use, the operator places the material to be stirred into the stirring container 10, and then fastens the packaging cover 20 so that the end of the packaging cover 20 with the feeder 21 faces the top opening of the stirring container 10. After the installation is completed, the feeder 21 on the packaging cover 20 enters the stirring chamber, and the end of the feeder 21 away from the packaging cover 20 is located in the variable diameter area 11.

[0027] After completing the installation and discharging, the motor drives the rotating shaft 22 to rotate, and the blade group 23 at one end of the rotating shaft 22 immediately starts to rotate, and a negative pressure area 24 is formed between the blade group 23 and the end face of the feeder 21 away from the packaging cover 20, and the material at the bottom of the stirring chamber is sucked into the feeder 21. Since the feeder 21 is open at both ends and one end is in a negative pressure state, the material at the bottom of the stirring chamber enters from the bottom of the feeder 21 and is discharged from the top opening of the feeder 21. In this way, the material inside the stirring chamber forms a circulation from the bottom to the top, reducing the situation where the components of the thermal coating liquid sink to the bottom due to density reasons, so that the components inside the stirring chamber can obtain a good homogenization effect, which significantly improves the stirring effect and stirring efficiency of the coating liquid.

[0028] In general, the embodiment of the present application forms a negative pressure zone 24 by cooperating with a vertically arranged feeder 21 and a blade group 23, so that the material at the bottom of the stirring container 10 can be pumped to the top of the inner cavity of the stirring container 10, so that the various components inside the stirring cavity can obtain a good homogenization effect, which significantly improves the stirring effect and stirring efficiency of the coating liquid.

[0029] The rotating shaft 22 is driven by a motor. In the embodiment of the present application, the motor for driving the rotating shaft 22 can be installed at one end of the packaging cover 20 close to the feeder 21, or can be installed at the end of the packaging cover 20 away from the feeder 21. The rotating shaft of the motor for driving the rotating shaft 22 is fixedly connected to the rotating shaft 22.

[0030] The feeder 21 is used to constrain the movement of the material so that the material at the bottom of the stirring chamber can move from the bottom of the stirring chamber to the top of the stirring chamber. The purpose is to quickly homogenize the material inside the stirring chamber. In a possible implementation method of the embodiment of the present application, a plurality of through holes 25 are provided on the feeder 21. After the rotating blade group 23 forms a negative pressure area 24 between the blade group 23 and the end face of the feeder 21 away from the packaging cover 20, the material entering the feeder 21 can be discharged from the through hole 25 of the feeder 21 to the outside of the feeder 21. After the material with a certain initial velocity is discharged from the outside of the through hole 25 of the feeder 21, it can be quickly mixed with the material on the outside, which significantly improves the stirring effect and stirring efficiency of the coating liquid.

[0031] In a feasible implementation method of the embodiment of the present application, a protrusion 12 is provided in the middle of the bottom end of the variable diameter zone 11, and the top of the protrusion 12 is open toward the bottom end of the feeder 21. After the protrusion 12 is provided, the bottom of the stirring chamber is essentially an annular area surrounding the protrusion 12. In this way, the actual area of ​​the bottom of the stirring chamber is reduced, so that when the rotating shaft 22 rotates, the negative pressure zone 24 at the bottom opening of the feeder 21 can quickly pump the material at the bottom of the stirring chamber to the top of the stirring chamber, reducing the deposition area of ​​the material at the bottom of the stirring chamber, and significantly improving the stirring effect and stirring efficiency of the coating liquid.

[0032] Furthermore, the protrusion 12 is conical, and the outer diameter of the protrusion 12 gradually increases from the top to the bottom of the stirring container 10. In this way, while reducing the actual area of ​​the bottom of the stirring chamber and reducing the sedimentation area of ​​the material at the bottom of the stirring chamber, the negative pressure zone 24 of the feeder 21 can also effectively pump the material to the top of the stirring chamber.

[0033] In a possible implementation of the embodiment of the present application, a shielding cover 26 is provided on the outer side of the end of the feeder 21 away from the packaging cover 20, and the shielding cover 26 is ring-circled on the outer side of the end of the feeder 21 away from the packaging cover 20. The inner diameter of the shielding cover 26 gradually increases from the top of the stirring container 10 to the bottom. There is an annular gap between the outer periphery of the shielding cover 26 and the inner wall of the stirring container 10, so that the material can pass through the gap into the bottom of the stirring chamber. Under the restriction of the shielding cover 26, the influence range of the negative pressure zone 24 is limited to the bottom of the stirring chamber. In this way, when the blade group 23 rotates to form the negative pressure zone 24, the material at the bottom can be quickly pumped to the top of the stirring chamber, which significantly improves the stirring effect and stirring efficiency of the coating liquid.

[0034] In a possible implementation of the embodiment of the present application, a connecting rod 27 is provided on the outside of the feeder 21, and one end of the connecting rod 27 away from the feeder 21 is fixed to the packaging cover 20, so that the opening at the top of the feeder 21 is not blocked.

[0035] The embodiments of this specific implementation method are all preferred embodiments of the present application and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A mixing device for compounding a heat-sensitive coating liquid, characterized in that: It comprises a stirring container (10) with a top opening and a packaging cover (20) for packaging the top opening of the stirring container (10); The bottom of the inner cavity of the stirring container (10) has a diameter-changing region (11), and the diameter of the diameter-changing region (11) gradually decreases in a direction from the top to the bottom of the stirring container (10); A straight-cylindrical feeder (21) is installed at the end of the packaging cover (20). The feeder (21) is open at both ends, and the opening of one end of the feeder (21) faces the end of the packaging cover (20). A rotating shaft (22) is provided in the middle of the feeder (21). The rotating shaft (22) is rotatably connected to the packaging cover (20). The rotating shaft (22) is driven by a motor. A blade group (23) is provided at one end of the rotating shaft (22) away from the packaging cover (20). The blade group (23) is located inside the feeder (21). When the rotating shaft (22) rotates, the rotating blade group (23) forms a negative pressure area (24) between the blade group (23) and the end surface of the feeder (21) away from the packaging cover (20). When the mixing device is in operation, the packaging cover (20) is fastened to the top of the stirring container (10), and the end of the feeder (21) away from the packaging cover (20) is located in the diameter-changing area (11).

2. A mixing device for compounding a heat-sensitive coating liquid according to claim 1, characterized in that: The feeder (21) is provided with a plurality of through holes (25).

3. A mixing device for compounding a heat-sensitive coating liquid according to claim 1, characterized in that: A protrusion (12) is provided at the middle of the bottom end of the diameter-changing area (11).

4. A mixing device for compounding a heat-sensitive coating liquid according to claim 3, characterized in that: The protrusion (12) is conical, and the outer diameter of the protrusion (12) gradually increases from the top to the bottom of the stirring container (10).

5. A mixing device for compounding a heat-sensitive coating liquid according to claim 4, characterized in that: A shielding cover (26) is provided on the outer side of one end of the feeder (21) away from the packaging cover (20). The shielding cover (26) is sleeved on the outer side of the end of the feeder (21) away from the packaging cover (20). The inner diameter of the shielding cover (26) gradually increases in a direction from the top to the bottom of the stirring container (10).

6. A mixing device for compounding a heat-sensitive coating liquid according to claim 1, characterized in that: A connecting rod (27) is provided on the outside of the feeder (21), and one end of the connecting rod (27) away from the feeder (21) is fixedly connected to the packaging cover (20).

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