CN221014618U - Vacuum defoaming device - Google Patents
Vacuum defoaming device Download PDFInfo
- Publication number
- CN221014618U CN221014618U CN202321185161.3U CN202321185161U CN221014618U CN 221014618 U CN221014618 U CN 221014618U CN 202321185161 U CN202321185161 U CN 202321185161U CN 221014618 U CN221014618 U CN 221014618U
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- Prior art keywords
- material cylinder
- rotary
- cylinder
- dispersing structure
- vacuum
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- 239000000463 material Substances 0.000 claims abstract description 68
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 239000006185 dispersion Substances 0.000 claims abstract description 10
- 238000009849 vacuum degassing Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 239000011268 mixed slurry Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003490 calendering Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Degasification And Air Bubble Elimination (AREA)
Abstract
The application provides a vacuum defoaming device, which comprises: the device comprises a material cylinder, a rotary dispersing structure, a rotary motor and a vacuum pump; the top of the material cylinder is provided with a feed inlet and an exhaust port respectively, and the bottom of the material cylinder is provided with a discharge port; the vacuum pump is connected with the exhaust port; the rotary dispersing structure is arranged in the material cylinder and corresponds to the lower part of the feeding port; the rotary dispersing structure is an accommodating structure with an opening at the top; the side edge of the rotary dispersing structure is provided with a net-shaped filtering hole; the output end of the rotating motor penetrates into the material cylinder and is connected with the central shaft of the rotating dispersion structure; the rotary dispersing structure is driven by the rotary motor to rotate. Through setting up the vacuum pump can make the inside vacuum that keeps of material jar, through setting up rotatory dispersion structures with rotating electrical machines can disperse the material fast, increases the probability of gas and vacuum contact in the material to realize higher deaeration rate and better deaeration effect.
Description
Technical Field
The application relates to the technical field of defoaming equipment, in particular to a vacuum defoaming device.
Background
Thermally conductive gaskets are devices that fill the air gap between a heat-generating device and a heat sink or metal base, and their flexible, resilient nature allows them to cover very uneven surfaces. The thermal pad can conduct heat from the separate device or the entire circuit board to the metal housing or the diffusion plate, thereby improving the efficiency and the service life of the heat generating electronic component.
The production of the heat-conducting gasket is carried out by the processes of slurry mixing, casting, calendaring, vulcanization, film coating, cutting and the like. The deaeration of the mixed slurry before casting and calendaring is a key ring in the process. At present, a vacuum stirring deaeration device is basically adopted to deaerate the mixed slurry, the mixed slurry is placed into a vacuum tank and stirred by matching with a stirring paddle, so that deaeration of the mixed slurry is realized.
The inventor finds through analysis in the prior art that the defoaming time of the vacuum stirring and defoaming device is long, so that the production efficiency of the heat-conducting gasket is low, the defoaming is possibly incomplete, and bubbles exist in the vulcanized heat-conducting gasket, so that the heat-conducting property of a product is affected.
Disclosure of utility model
In view of the above problems, the present application has been made to provide a vacuum degassing apparatus that overcomes the problems or at least partially solves the problems, including:
a vacuum degassing apparatus comprising: the device comprises a material cylinder, a rotary dispersing structure, a rotary motor and a vacuum pump;
The top of the material cylinder is provided with a feed inlet and an exhaust port respectively, and the bottom of the material cylinder is provided with a discharge port; the vacuum pump is connected with the exhaust port; the rotary dispersing structure is arranged in the material cylinder and corresponds to the lower part of the feeding port; the rotary dispersing structure is an accommodating structure with an opening at the top; the side edge of the rotary dispersing structure is provided with a net-shaped filtering hole; the output end of the rotating motor penetrates into the material cylinder and is connected with the central shaft of the rotating dispersion structure; the rotary dispersing structure is driven by the rotary motor to rotate.
Preferably, the rotary dispersing structure comprises a chassis, a fence and a rotating shaft; the rotating shaft is arranged on the central shaft of the chassis and is connected with the output end of the rotating motor; the fence is arranged on the edge of the chassis in a surrounding mode; the surface of the fence is provided with the filtering holes.
Preferably, the fence comprises at least two layers of filter screens; the filter screen is sequentially arranged at the edge of the chassis from inside to outside.
Preferably, a gap is arranged between the adjacent filter screens.
Preferably, the material cylinder comprises an upper cylinder body and a lower cylinder body which are sequentially arranged from top to bottom; the lower cylinder body is of a funnel-shaped structure.
Preferably, the inner surface of the material cylinder is provided with corrugated bulges.
Preferably, a sealing ring is arranged at the joint of the output end of the rotating motor and the material cylinder.
Preferably, a feeding valve is arranged at the position of the material cylinder corresponding to the feeding hole.
Preferably, an exhaust valve is arranged at the position of the material cylinder corresponding to the exhaust port.
Preferably, a discharge valve is arranged at the position of the material cylinder corresponding to the discharge hole.
The application has the following advantages:
In the embodiment of the application, compared with the problems of longer defoaming time and incomplete defoaming of the existing vacuum stirring and defoaming device, the application provides a solution for dispersing materials by adopting a rotary dispersing structure, which comprises the following specific steps: "vacuum degassing apparatus comprising: the device comprises a material cylinder, a rotary dispersing structure, a rotary motor and a vacuum pump; the top of the material cylinder is provided with a feed inlet and an exhaust port respectively, and the bottom of the material cylinder is provided with a discharge port; the vacuum pump is connected with the exhaust port; the rotary dispersing structure is arranged in the material cylinder and corresponds to the lower part of the feeding port; the rotary dispersing structure is an accommodating structure with an opening at the top; the side edge of the rotary dispersing structure is provided with a net-shaped filtering hole; the output end of the rotating motor penetrates into the material cylinder and is connected with the central shaft of the rotating dispersion structure; the rotation dispersing structure is driven by the rotating motor to rotate. Through setting up the vacuum pump can make the inside vacuum that keeps of material jar, through setting up rotatory dispersion structures with rotating electrical machines can disperse the material fast, increases the probability of gas and vacuum contact in the material to realize higher deaeration rate and better deaeration effect.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the description of the present application will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a vacuum degassing apparatus according to an embodiment of the present application;
FIG. 2 is a top view of a rotary dispersing structure in a vacuum degassing apparatus according to an embodiment of the present application;
Fig. 3 is a partial cross-sectional view of a cylinder in a vacuum degassing apparatus according to an embodiment of the present application.
Reference numerals in the drawings of the specification are as follows:
10. A material cylinder; 11. an upper cylinder; 12. a lower cylinder; 13. a feed valve; 14. an exhaust valve; 15. a discharge valve; 16. a feed inlet; 17. an exhaust port; 18. a discharge port; 20. rotating the dispersion structure; 21. a chassis; 22. a fence; 221. a filter screen; 23. a rotating shaft; 30. a rotating electric machine.
Detailed Description
In order that the manner in which the above recited objects, features and advantages of the present application are obtained will become more readily apparent, a more particular description of the application briefly described above will be rendered by reference to the appended drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In any embodiment of the present application, the vacuum degassing device is used for degassing materials during a production process, for example, degassing mixed heat-conducting slurry.
Referring to fig. 1-3, there is shown a vacuum degassing apparatus according to an embodiment of the present application, including: a cylinder 10, a rotary dispersing structure 20, a rotary motor 30 and a vacuum pump;
the top of the material cylinder 10 is respectively provided with a feed inlet 16 and an exhaust outlet 17, and the bottom is provided with a discharge outlet 18; the vacuum pump is connected with the exhaust port 17; the rotary dispersing structure 20 is disposed inside the cylinder 10 and corresponds to the lower side of the feed port 16; the rotary dispersing structure 20 is an accommodating structure with an open top; the side of the rotary dispersing structure 20 is provided with a net-shaped filtering hole; the output end of the rotating motor 30 penetrates into the material cylinder 10 and is connected with the central shaft of the rotating dispersion structure 20; the rotation dispersing structure 20 is rotated by the rotation motor 30.
In the embodiment of the application, compared with the problems of longer defoaming time and incomplete defoaming of the existing vacuum stirring and defoaming device, the application provides a solution for dispersing materials by adopting a rotary dispersing structure 20, which specifically comprises the following steps: "vacuum degassing apparatus comprising: a cylinder 10, a rotary dispersing structure 20, a rotary motor 30 and a vacuum pump; the top of the material cylinder 10 is respectively provided with a feed inlet 16 and an exhaust outlet 17, and the bottom is provided with a discharge outlet 18; the vacuum pump is connected with the exhaust port 17; the rotary dispersing structure 20 is disposed inside the cylinder 10 and corresponds to the lower side of the feed port 16; the rotary dispersing structure 20 is an accommodating structure with an open top; the side of the rotary dispersing structure 20 is provided with a net-shaped filtering hole; the output end of the rotating motor 30 penetrates into the material cylinder 10 and is connected with the central shaft of the rotating dispersion structure 20; the rotation dispersing structure 20 is rotated by the rotation motor 30. Through setting up the vacuum pump can make the inside vacuum that keeps of material jar 10, through setting up rotatory dispersion structures 20 with rotating electrical machines 30 can disperse the material fast, increase the probability of gas and vacuum contact in the material to realize higher deaeration rate and better deaeration effect.
Next, a vacuum degassing apparatus in the present exemplary embodiment will be further described.
In this embodiment, the rotary dispersing structure 20 includes a chassis 21, a fence 22, and a rotation shaft 23; the rotation shaft 23 is provided on the central shaft of the chassis 21 and is connected to the output end of the rotating motor 30; the fence 22 is arranged around the edge of the chassis 21; the surface of the fence 22 is provided with the filtering holes. By arranging the chassis 21, the materials can be fully laid out; through with chassis 21 with rotating electrical machines 30 is connected, can pass through the rotation of chassis 21 is centrifuged the material, through set up at the surface of rail 22 the filtration hole can be through the filtration of rail 22 disperses the material to throw away the material with thick liquid punctiform.
In this embodiment, the fence 22 includes at least two layers of filter screens 221; the filter screen 221 is sequentially arranged on the edge of the chassis 21 from inside to outside. Specifically, the mesh size of the filter screen 221 of each layer gradually decreases from inside to outside. By providing a plurality of layers of the filter screens 221, the slurry materials can be sufficiently dispersed due to the high viscosity of the slurry materials.
In this embodiment, a gap is provided between adjacent filter screens 221. By arranging a plurality of layers of the filter screens 221 separately, the probability of contact of the vacuum with the gas in the material during centrifugation can be increased.
In this embodiment, the material cylinder 10 includes an upper cylinder body 11 and a lower cylinder body 12 sequentially arranged from top to bottom; the lower cylinder 12 is of a funnel-shaped structure. By providing the lower cylinder 12 in a funnel-like configuration, material is facilitated to flow along the inner surface of the cylinder 10 to the discharge opening 18.
In this embodiment, the inner surface of the cylinder 10 is provided with corrugated protrusions. By providing the corrugated protrusions on the inner surface of the cylinder 10, the contact area between the material and the inner surface of the cylinder 10 can be increased, thereby increasing the probability of contact between the gas in the material and the vacuum.
In this embodiment, a sealing ring is disposed at the connection between the output end of the rotary electric machine 30 and the cylinder 10. By providing the seal ring, air can be prevented from entering the interior of the cylinder 10, ensuring that the interior of the cylinder 10 remains vacuum.
In this embodiment, a feeding valve 13 is disposed at a position of the cylinder 10 corresponding to the feeding port 16. By providing the feed valve 13, the discharge state and the discharge speed of the material can be controlled.
In this embodiment, the cylinder 10 is provided with an exhaust valve 14 corresponding to the exhaust port 17. By providing the exhaust valve 14, the exhaust state and the exhaust speed of the gas inside the cylinder 10 can be controlled.
In this embodiment, a discharge valve 15 is disposed at a position of the cylinder 10 corresponding to the discharge port 18. By providing the discharge valve 15, the discharge state and the discharge speed of the material can be controlled.
As an example, the vacuum deaeration device is used for deaerating the mixed heat-conducting slurry, and the use method of the vacuum deaeration device is as follows: firstly, the exhaust valve 14 is controlled to be opened, the interior of the material cylinder 10 is vacuumized through the vacuum pump, then the feed valve 13 is controlled to be opened, the material discharged from the feed port 16 flows to the surface of the chassis 21 and spreads along the surface of the chassis 21, the first foam discharging is completed, then the rotating motor 30 is controlled to be opened, the material is thrown to the surface of the fence 22 under the driving of the chassis 21 rotating at a high speed and is thrown to the inner surface of the material cylinder 10 through the filtering hole, the second foam discharging is completed, the material flows to the discharge port 18 along the inner surface of the material cylinder 10, the third foam discharging is completed, finally, the discharge valve 15 is controlled to be opened, and the material after foam discharging is discharged.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the application.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or terminal device that comprises the element.
The foregoing has outlined a detailed description of a vacuum degassing apparatus according to the present application, wherein specific examples are provided herein to illustrate the principles and embodiments of the present application, and the above examples are provided to assist in understanding the method and core idea of the present application; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (2)
1. A vacuum degassing apparatus, comprising: the device comprises a material cylinder, a rotary dispersing structure, a rotary motor and a vacuum pump;
The top of the material cylinder is provided with a feed inlet and an exhaust port respectively, and the bottom of the material cylinder is provided with a discharge port; the vacuum pump is connected with the exhaust port; the rotary dispersing structure is arranged in the material cylinder and corresponds to the lower part of the feeding port; the rotary dispersing structure is an accommodating structure with an opening at the top; the side edge of the rotary dispersing structure is provided with a net-shaped filtering hole; the output end of the rotating motor penetrates into the material cylinder and is connected with the central shaft of the rotating dispersion structure; the rotary dispersing structure is driven by the rotary motor to rotate;
The rotary dispersing structure comprises a chassis, a fence and a rotating shaft; the rotating shaft is arranged on the central shaft of the chassis and is connected with the output end of the rotating motor; the fence is arranged on the edge of the chassis in a surrounding mode; the surface of the fence is provided with the filtering holes; the fence comprises at least two layers of filter screens; the filter screen is sequentially arranged at the edge of the chassis from inside to outside in a surrounding manner; the mesh size of each layer of filter screen is gradually reduced from inside to outside; a gap is arranged between the adjacent filter screens;
The inner surface of the material cylinder is provided with corrugated bulges;
a sealing ring is arranged at the joint of the output end of the rotating motor and the material cylinder;
A feed valve is arranged at the position of the material cylinder corresponding to the feed inlet;
an exhaust valve is arranged at the position of the material cylinder corresponding to the exhaust port;
And a discharge valve is arranged at the position of the material cylinder corresponding to the discharge hole.
2. The vacuum degassing apparatus according to claim 1, wherein the cylinder includes an upper cylinder and a lower cylinder which are sequentially provided from top to bottom; the lower cylinder body is of a funnel-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321185161.3U CN221014618U (en) | 2023-05-16 | 2023-05-16 | Vacuum defoaming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321185161.3U CN221014618U (en) | 2023-05-16 | 2023-05-16 | Vacuum defoaming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221014618U true CN221014618U (en) | 2024-05-28 |
Family
ID=91173766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321185161.3U Active CN221014618U (en) | 2023-05-16 | 2023-05-16 | Vacuum defoaming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221014618U (en) |
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2023
- 2023-05-16 CN CN202321185161.3U patent/CN221014618U/en active Active
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