A stepped defoaming device

Abstract

The application relates to a stepped defoaming device, and relates to the technical field of defoaming, which comprises a driving motor, one end of the driving motor is connected with a stirring shaft, one end of the stirring shaft is provided with stirring blades, one side of the stirring shaft is provided with a feeding assembly and a defoaming assembly, the feeding assembly is used for lifting materials, and the defoaming assembly is used for reducing bubbles in the materials. The application can improve the elimination efficiency of bubbles in the materials, and can reduce the situation that the stirring and defoaming efficiency will be significantly reduced due to the reduction of bubbles, the reduction of bubble size and the insufficient buoyancy.

Description

Technical Field

[0001] This application relates to the field of degassing technology, and in particular to a stepped degassing device. Background Technology

[0002] In materials such as adhesives, resins, and coatings, residual air bubbles can lead to voids, cracks, or uneven surfaces after curing. Air bubbles in semiconductor encapsulation adhesives can reduce insulation and cause short circuits in devices. Microbubbles in optical adhesives (OCAs) can cause decreased light transmittance or iridescent patterns. Therefore, degassing devices are needed to remove air bubbles from materials.

[0003] A Chinese patent with publication number CN222788511U discloses a structure including a guide tube, a first rotating shaft, a second rotating shaft, a first stirring paddle, a second stirring paddle, and a guide paddle. The guide tube is hollow inside and open at both ends. The first stirring paddle and the second stirring paddle are located inside the guide tube. The first stirring paddle is spirally rotated around the periphery of the first rotating shaft and is connected to the first rotating shaft. The second stirring paddle is spirally rotated around the periphery of the second rotating shaft. A support shaft is provided at one end of the second rotating shaft, and one end of the second stirring paddle is connected to the support shaft. A guide paddle is provided on the support shaft.

[0004] In related technologies, materials are stirred by setting up a spiral-shaped first and second stirring paddle, and the number of air bubbles in the materials is reduced during the stirring process.

[0005] Regarding the aforementioned technologies, the inventors believe that defoaming materials by stirring is inefficient. As the number of bubbles decreases, their size shrinks, and buoyancy becomes insufficient, leading to a significant decrease in the efficiency of defoaming through stirring. Utility Model Content

[0006] The technical problem to be solved by this utility model is to provide a stepped defoaming device, which solves the technical problem that the efficiency of defoaming materials by stirring is low, and that as the number of bubbles decreases, the size of the bubbles decreases, the buoyancy is insufficient, and the defoaming efficiency of stirring will decrease significantly.

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

[0008] A stepped degassing device includes a drive motor, one end of which is connected to a stirring shaft. A stirring blade is installed at one end of the stirring shaft. A feeding component and a degassing component are installed on one side of the stirring shaft. The feeding component is used to lift the material, and the degassing component is used to reduce the air bubbles in the material.

[0009] Furthermore, the feeding assembly includes a feeding cylinder, one end of the stirring shaft passes through the feeding cylinder, the feeding cylinder has an inlet and an outlet, and the stirring shaft is provided with spiral blades, the spiral blades being located between the inlet and the outlet.

[0010] Furthermore, the defoaming component includes a first defoaming plate, which is mounted on the feeding cylinder. A first defoaming slope is formed on the first defoaming plate, which slopes from one side of the discharge port towards the lower side of the feed port.

[0011] Furthermore, the defoaming assembly also includes a second defoaming plate, which is mounted on the feeding cylinder. The second defoaming plate has a second defoaming slope, which slopes downward from one side of the first defoaming plate toward the side closer to the stirring shaft.

[0012] Furthermore, the second defoaming plate has a through groove, and the second defoaming inclined surface is inclined toward the side close to the through groove.

[0013] Furthermore, the first defoaming plate is provided with a first clearance groove, and the second defoaming plate is provided with a second clearance groove, and the first clearance groove and the second clearance groove are connected.

[0014] Furthermore, a baffle is provided on the side of the second defoaming plate near the second clearance groove, and the baffle blocks the second clearance groove and the second defoaming inclined surface.

[0015] In summary, this application includes at least one of the following beneficial technical effects of the stepped degassing device:

[0016] During use, the drive motor drives the stirring blades on the stirring shaft to stir the material. While stirring the material, the feeding component lifts the material, and then the defoaming component defoams the material. This can improve the efficiency of eliminating bubbles in the material and reduce the situation where the efficiency of stirring and defoaming would decrease significantly due to the reduction of bubbles, the reduction of bubble size, and insufficient buoyancy.

[0017] By using the feeding cylinder, spiral blades, and mixing blades, the air bubbles inside the material can be reduced during the lifting process.

[0018] By using the first and second defoaming plates to defoam the material, and by setting up the first and second clearance grooves, excess material will fall through the first and second clearance grooves, which can improve the defoaming efficiency of the material and reduce material accumulation. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of a stepped degassing device, which is the main feature of this application.

[0020] Figure 2 This is an exploded schematic diagram of the main feed cylinder structure provided in this application;

[0021] Figure 3 This is a cross-sectional view of the first and second defoaming boards provided in this application.

[0022] Reference numerals: 1. Drive motor; 11. Stirring shaft; 12. Stirring blade; 2. Feeding assembly; 21. Feeding cylinder; 22. Feed inlet; 23. Discharge outlet; 24. Spiral blade; 3. Defoaming assembly; 31. First defoaming plate; 311. First defoaming inclined surface; 312. First clearance groove; 32. Second defoaming plate; 321. Second defoaming inclined surface; 322. Through groove; 323. Second clearance groove; 324. Baffle. Detailed Implementation

[0023] In order 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.

[0024] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.

[0025] This application discloses a stepped degassing device.

[0026] Reference Figure 1 A stepped degassing device includes a drive motor 1, on which a stirring shaft 11 and stirring blades 12 are mounted. The drive motor 1 drives the stirring blades 12 to rotate via the stirring shaft 11, and the stirring blades 12 eliminate air bubbles in the material during rotation. A feeding component 2 and a degassing component 3 are mounted on one side of the drive motor 1. The feeding component 2 lifts the material, and the degassing component 3 eliminates air bubbles in the material.

[0027] In use, the drive motor 1 is mounted on the tank containing the material. One end of the stirring shaft 11 is connected to the drive motor 1, and the other end passes through the tank. The stirring blades 12 are mounted on the end of the stirring shaft 11 that passes through the tank. During use, the drive motor 1 drives the stirring blades 12 to rotate via the stirring shaft 11. As the stirring blades 12 rotate, some air bubbles in the material burst, and as the material is stirred, the air bubbles rise to the surface and burst.

[0028] Reference Figures 1-2Furthermore, the feeding assembly 2 includes a feeding cylinder 21, one end of which is installed inside the tank, and the other end extends towards the stirring blades 12. One end of the stirring shaft 11 passes through the feeding cylinder 21. The feeding cylinder 21 has an inlet 22 and an outlet 23, which are connected. The feeding cylinder 21 is coaxial with the stirring shaft 11. The feeding and stirring process begins at the end of the feeding cylinder 21 near the outlet 23 and then exits at the end of the inlet 22. The stirring blades 12 are installed at the end of the stirring shaft 11 that exits through the inlet 22.

[0029] A spiral blade 24 is mounted on the stirring shaft 11 and is arranged in a spiral pattern. The spiral blade 24 extends from the inlet 22 of the plastic bucket towards the outlet 23. During use, as the stirring shaft 11 drives the spiral blade 24 to rotate, the spiral blade 24 conveys the material from the inlet 22 to the outlet 23. Under the conveying action of the spiral blade 24, some air bubbles are compressed and broken.

[0030] Several groups of defoaming components 3 are arranged at intervals along the feeding cylinder 21. During use, the defoaming slope corresponding to the number of groups is selected according to the length of the feeding cylinder 21. Since the structure and function of several groups of defoaming components 3 are the same, only one group will be described below.

[0031] Reference Figures 2-3 The defoaming component 3 includes a first defoaming plate 31 and a second defoaming plate 32. In use, the first defoaming plate 31 and the second defoaming plate 32 are bolted to the feeding cylinder 21. The first defoaming plate 31 and the second defoaming plate 32 are umbrella-shaped and are arranged opposite to each other. A first defoaming slope 311 is formed on the side of the first defoaming plate 31 away from the second defoaming plate 32. The first defoaming slope 311 slopes downward from the side of the feeding pipe towards the side closer to the second defoaming plate 32. A second defoaming slope 321 is formed on the side of the second defoaming plate 32 close to the first defoaming plate 31. The second defoaming slope 321 slopes downward from the side of the first defoaming plate 31 towards the side closer to the feeding pipe.

[0032] In use, the material is discharged from the outlet 23 of the feeding cylinder 21, then flows to the first defoaming plate 31, and then flows along the first defoaming slope 311 to the second defoaming plate 32, and then flows downward along the second defoaming slope 321. By laying the material on the first defoaming slope 311 and the second defoaming slope 321 of the first defoaming plate 31 and the second defoaming plate 32, the surface area of ​​the material is increased, and the defoaming efficiency of the material is improved.

[0033] To allow the material to flow to the next set of defoaming components 3, a through groove 322 is provided on the side of the second defoaming plate 32 near the feed cylinder 21. Several through grooves 322 are spaced apart on the second defoaming plate 32 around the axis of the feed cylinder 21. In use, the material flows along the second defoaming inclined surface 321 of the second defoaming plate 32 to the through groove 322, and then flows to the next set of defoaming components 3. The material is defoamed by multiple sets of defoaming components 3, thereby reducing excess air bubbles in the material.

[0034] During use, the multiple sets of defoaming components 3 obstruct the material, resulting in a difference between the material's lifting and descending speeds, thus affecting the defoaming efficiency. Therefore, a first clearance groove 312 is provided on the first defoaming plate 31, and a second clearance groove 323 is provided on the second defoaming plate 32. The first clearance groove 312 and the second clearance groove 323 are connected. During use, some material is spread out on the first defoaming plate 31 and the second defoaming plate 32, while the other part flows to the bottom of the tank through the first clearance groove 312 and the second clearance groove 323. This reduces the accumulation of material on the first defoaming plate 31 and the second defoaming plate 32, allowing the spiral blades 24 to lift the material in a timely manner.

[0035] Furthermore, a baffle 324 is provided on the side of the second defoaming plate 32 near the second clearance groove 323. When in use, the baffle 324 blocks the second clearance groove 323, reducing the material on the second defoaming slope 321 from falling to the bottom of the tank through the second clearance groove 323, thereby improving the defoaming efficiency of the material.

[0036] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A stepped degassing device, comprising a drive motor (1), one end of which is connected to a stirring shaft (11), characterized in that: A stirring blade (12) is installed at one end of the stirring shaft (11), and a feeding assembly (2) and a defoaming assembly (3) are installed on one side of the stirring shaft (11). The feeding assembly (2) is used to lift the material, and the defoaming assembly (3) is used to reduce the bubbles in the material.

2. The stepped degassing device according to claim 1, characterized in that: The feeding assembly (2) includes a feeding cylinder (21), one end of the stirring shaft (11) passes through the feeding cylinder (21), the feeding cylinder (21) has an inlet (22) and an outlet (23), the stirring shaft (11) is provided with a spiral blade (24), and the spiral blade (24) is located between the inlet (22) and the outlet (23).

3. The stepped degassing device according to claim 2, characterized in that: The defoaming component (3) includes a first defoaming plate (31), which is mounted on the feeding cylinder (21). A first defoaming inclined surface (311) is formed on the first defoaming plate (31), which is inclined from one side of the discharge port (23) to the lower side of the feed port (22).

4. The stepped degassing device according to claim 3, characterized in that: The defoaming component (3) further includes a second defoaming plate (32), which is mounted on the feeding cylinder (21). A second defoaming inclined surface (321) is formed on the second defoaming plate (32), which slopes downward from one side of the first defoaming plate (31) toward the side closer to the stirring shaft (11).

5. The stepped degassing device according to claim 4, characterized in that: The second defoaming plate (32) has a through groove (322), and the second defoaming inclined surface (321) is inclined toward the side close to the through groove (322).

6. The stepped degassing device according to claim 4, characterized in that: The first defoaming plate (31) is provided with a first clearance groove (312), and the second defoaming plate (32) is provided with a second clearance groove (323). The first clearance groove (312) and the second clearance groove (323) are connected.

7. A stepped degassing device according to claim 6, characterized in that: The second defoaming plate (32) is provided with a baffle (324) on the side near the second relief groove (323), and the baffle (324) blocks the second relief groove (323) and the second defoaming inclined surface (321).

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