Foaming device for silicone rubber foam material production
The wind-driven forward and reverse rotation stirring leaves solve the problem of uneven mixing of raw materials in the production of silicone rubber foam materials, and achieve uniform mixing of raw materials in a short period of time, improving foaming efficiency and quality stability.
Patent Information
- Application Number
- CN202422422864.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-10-09
AI Technical Summary
In the production of silicone rubber foam materials, the raw materials are mixed unevenly, resulting in unstable foaming quality and it is difficult to achieve a uniform mixing effect in a short time.
The wind-driven forward and reverse rotation stirring fan blades are used to drive the first and second stirring blades to rotate clockwise and counterclockwise at high speeds, respectively, to achieve uniform mixing of raw materials.
In a short time, uniform mixing of raw materials is achieved, improving foaming efficiency and foaming quality stability.
Smart Images

Figure CN223161247U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of foaming devices, in particular to a foaming device for the production of silicone rubber foam materials. Background Technique
[0002] Silicone rubber foam material is a porous material with silicone rubber as the matrix, which is prepared by adding additives such as foaming agents through a foaming process. The raw materials such as silicone rubber raw rubber, foaming agent, and catalyst are fully mixed evenly. The static mixer realizes mixing during the flow of raw materials through a special internal structure; the dynamic mixer realizes mixing through mechanical stirring or high-speed rotation, etc. The design of the mixer should ensure that the raw materials can achieve a uniform mixing effect in a short time to ensure the stability of the foaming quality.
[0003] The driving of the existing stirring device is all driven by a driving motor. The driving motor can drive multiple groups of stirring fan blades to rotate in one direction to stir the mixing of raw materials. The stirring blades on a single driving shaft all rotate in the same direction. In order to improve the effect that the raw materials can achieve uniform mixing in a short time, this scheme proposes a stirring method by driving the stirring fan blades to rotate forward and backward by wind power, so as to drive the effect of achieving uniform mixing in a short time. Therefore, this application proposes a foaming device for the production of silicone rubber foam materials. Summary of the Invention
[0004] The purpose of the utility model is to solve the problem of poor effect of achieving uniform mixing in a short time in the background technique. A scheme is proposed to stir the stirring fan blades that rotate forward and backward by wind power, and a foaming device for the production of silicone rubber foam materials is proposed.
[0005] Technical solution of the utility model: A foaming device for the production of silicone rubber foam materials, including a stirring tank, a support block is fixedly connected to the stirring tank, an electric push rod is fixedly connected to the support block, one end of the electric push rod is fixedly connected to a support plate, and a stirring device is arranged on the support plate. The stirring device includes a first air disc and a second air disc installed on the support plate. A blower is fixedly connected to the first air disc, a first air outlet is opened on the first air disc, a first support ring is fixedly connected to the first air disc, an arc-shaped groove is opened on the first support ring, a second blower is fixedly connected to the second air disc, a second air outlet is opened on the second blower, a rotating shaft is rotatably connected to the second air disc, a first baffle is fixedly connected to the rotating shaft, the first baffle is rotatably connected in the cavity inside the second air disc, a second support ring is fixedly connected to the rotating shaft, an arc-shaped groove is opened at the bottom of the second support ring, the second support ring is rotatably connected to the first support ring, one end of the rotating shaft is fixedly connected to a first stirring blade, a third support ring is fixedly connected to the rotating shaft, an arc-shaped groove is opened at the top of the third support ring, a rotating column is rotatably connected to the first air disc, the rotating column is rotatably connected to the outer peripheral surface of the rotating shaft, a second baffle is fixedly connected to the rotating column, the second baffle is rotatably connected in the cavity inside the first air disc, a second stirring blade is fixedly connected to the rotating column, an arc-shaped groove is opened at one end of the rotating column, and one end of the rotating column is rotatably connected to the top of the third support ring.
[0006] Optionally, a first rolling ball for reducing friction is installed between the top end of the third support ring and one end of the rotating column.
[0007] Optionally, a second rolling ball for reducing friction is installed between the top end of the first support ring and the bottom of the second support ring.
[0008] Optionally, an output valve is fixedly connected to the stirring tank, and an injection valve is fixedly connected to the stirring tank.
[0009] Optionally, an air inlet ring is fixedly connected to the stirring tank, and a plurality of air inlets for exhaust are annularly and evenly distributed on the air inlet ring.
[0010] Optionally, a cover plate is fixedly connected to the top of the air inlet ring, and the cover plate is rotatably connected to the rotating column.
[0011] Optionally, a connecting pipe is fixedly connected to the air inlet ring, one end of the connecting pipe is fixedly connected to a filter box, the bottom of the filter box is fixedly connected to a bottom plate, and the bottom plate is fixedly connected to the bottom end of the stirring tank.
[0012] In summary, the present application includes at least one of the following beneficial technical effects:
[0013] The utility model drives the first baffle and the second baffle to rotate by the wind blown out by the second fan and the first fan, so as to drive the first stirring blade to rotate clockwise at a high speed and the second stirring blade to rotate counterclockwise at a high speed. Therefore, the effect of uniformly mixing raw materials in a short time can be improved in the form of forward and reverse rotation, and thus the foaming efficiency can be improved. Brief Description of the Drawings
[0014] Figure 1 The overall structural schematic diagram of an embodiment of the utility model is given;
[0015] Figure 2 The structural schematic diagram of the first air disc and the second air disc;
[0016] Figure 3 The sectional structural schematic diagram of the first air disc and the second air disc;
[0017] Figure 4 The structural schematic diagram of the first stirring blade and the second stirring blade
[0018] Figure 5 The structural schematic diagram of the rotating shaft
[0019] Figure 6 The structural schematic diagram of the rotating column
[0020] Figure 7 The structural schematic diagram of the stirring tank.
[0021] Reference Signs: 1, stirring tank; 101, output valve; 102, injection valve; 103, air inlet ring; 1030, air inlet; 104, cover plate; 105, connecting pipe; 106, filter box; 2, support block; 3, electric push rod; 4, support plate; 5, first air disc; 501, first fan; 502, first air outlet; 503, first support ring; 6, second air disc; 601, second fan; 602, second air outlet; 7, rotating shaft; 8, first baffle; 9, second support ring; 10, first stirring blade; 11, third support ring; 12, rotating column; 13, second baffle; 14, second stirring blade; 15, bottom plate. Detailed Description of the Invention
[0022] The technical solutions of the utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0023] Embodiment 1
[0024] As Figures 1-6As shown in the figure, the foaming device for the production of silicone rubber foam materials proposed by the present utility model includes a stirring tank 1. A support block 2 is fixedly connected to the stirring tank 1. An electric push rod 3 is fixedly connected to the support block 2. One end of the electric push rod 3 is fixedly connected to a support plate 4. A stirring device is arranged on the support plate 4. The stirring device includes a first air disk 5 and a second air disk 6 installed on the support plate 4. A first air blower 501 is fixedly connected to the first air disk 5. A first air outlet 502 is opened on the first air disk 5. A first support ring 503 is fixedly connected to the first air disk 5. An arc-shaped groove is opened on the first support ring 503. A second air blower 601 is fixedly connected to the second air disk 6. A second air outlet 602 is opened on the second air blower 601. By expanding and contracting the electric push rod 3, the stirring device is driven to lift and lower. The wind blown out by the second air blower 601 and the first air blower 501 rotates within the first air disk 5 and the second air disk 6.
[0025] A rotating shaft 7 is rotatably connected to the second air disk 6. A first baffle 8 is fixedly connected to the rotating shaft 7. The first baffle 8 is rotatably connected within the cavity of the second air disk 6. A second support ring 9 is fixedly connected to the rotating shaft 7. An arc-shaped groove is opened at the bottom of the second support ring 9. The second support ring 9 is rotatably connected to the first support ring 503. One end of the rotating shaft 7 is fixedly connected to a first stirring blade 10. A third support ring 11 is fixedly connected to the rotating shaft 7. An arc-shaped groove is opened at the top of the third support ring 11. The wind blown out by the second air blower 601 is used to drive the first baffle 8 to rotate, thereby driving the rotating shaft 7, the second support ring 9, the third support ring 11, and the first stirring blade 10 to rotate. Then, as the wind force increases, the first stirring blade 10 is accelerated to rotate clockwise at a high speed.
[0026] A rotating column 12 is rotatably connected to the first air disk 5. The rotating column 12 is rotatably connected to the outer peripheral surface of the rotating shaft 7. A second baffle 13 is fixedly connected to the rotating column 12. The second baffle 13 is rotatably connected within the cavity of the first air disk 5. A second stirring blade 14 is fixedly connected to the rotating column 12. An arc-shaped groove is opened at one end of the rotating column 12. One end of the rotating column 12 is rotatably connected to the top of the third support ring 11. The wind blown out by the first air blower 501 is used to drive the second baffle 13 to rotate, thereby driving the rotating column 12 and the second stirring blade 14 to rotate. Then, as the wind force increases, the second stirring blade 14 is accelerated to rotate counterclockwise at a high speed.
[0027] As Figures 4-6 shown, a first rolling ball for reducing friction is installed between the top end of the third support ring 11 and one end of the rotating column 12. Under the action of the first rolling ball, the friction between the third support ring 11 and the rotating column 12 can be reduced during the rotation of the rotating column 12 and the third support ring 11.
[0028] As Figures 4-5As shown in the figure, a second rolling ball for reducing friction is installed between the top end of the first support ring 503 and the bottom of the second support ring 9. Under the action of the second rolling ball, the friction between the first support ring 503 and the second support ring 9 can be reduced during the rotation of the first support ring 503 and the second support ring 9.
[0029] As Figure 7 shown in the figure, an output valve 101 is fixedly connected to the stirring tank 1, and an injection valve 102 is fixedly connected to the stirring tank 1. Different catalyst raw materials are injected into the stirring tank 1 through the output valve 101 and the injection valve 102.
[0030] Among them, an air inlet ring 103 is fixedly connected to the stirring tank 1. A plurality of air inlets 1030 for exhausting gas are evenly distributed in a ring shape on the air inlet ring 103. The air inlets 1030 can absorb the generated gas during the stirring process.
[0031] Furthermore, a cover plate 104 is fixedly connected to the top of the air inlet ring 103. The cover plate 104 is rotatably connected to the rotating column 12. The cover plate 104 prevents the escape of gas during the stirring process. A connecting pipe 105 is fixedly connected to the air inlet ring 103. One end of the connecting pipe 105 is fixedly connected to a filter box 106. The bottom of the filter box 106 is fixedly connected to the bottom plate 15. The bottom plate 15 is fixedly connected to the bottom end of the stirring tank 1. The filter box 106 can purify the gas discharged from the connecting pipe 105.
[0032] In this embodiment, the wind blown by the second blower 601 and the first blower 501 rotates in the first wind disk 5 and the second wind disk 6, so as to drive the first baffle 8 to rotate, and then drive the rotating shaft 7, the second support ring 9, the third support ring 11 and the first stirring blade 10 to rotate. Then, as the wind force increases, the first stirring blade 10 is accelerated to rotate clockwise at a high speed, so as to drive the second baffle 13 to rotate, and then drive the rotating column 12 and the second stirring blade 14 to rotate. Then, as the wind force increases, the second stirring blade 14 is accelerated to rotate counterclockwise at a high speed. The friction between the third support ring 11 and the rotating column 12 can be reduced during the rotation of the rotating column 12 and the third support ring 11. The friction between the first support ring 503 and the second support ring 9 can be reduced during the rotation of the first support ring 503 and the second support ring 9. The air inlets 1030 can absorb the generated gas during the stirring process. Filter cotton for purifying air is installed in the filter box 106, and the gas discharged from the connecting pipe 105 can be purified.
[0033] The above specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant revelations of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.
Claims
1. A foaming device for the production of silicone rubber foam materials, including a stirring tank (1), a support block (2) is fixedly connected to the stirring tank (1), an electric push rod (3) is fixedly connected to the support block (2), and one end of the electric push rod (3) is fixedly connected to a support plate (4), characterized in that: A stirring device is arranged on the support plate (4), and the stirring device includes a first air disc (5) and a second air disc (6) installed on the support plate (4). A first fan (501) is fixedly connected to the first air disc (5), a first air outlet (502) is opened on the first air disc (5), a first support ring (503) is fixedly connected to the first air disc (5), and an arc-shaped groove is opened on the first support ring (503). A second fan (601) is fixedly connected to the second air disc (6), and a second air outlet (602) is opened on the second fan (601); A rotating shaft (7) is rotatably connected to the second air disc (6). A first baffle (8) is fixedly connected to the rotating shaft (7), and the first baffle (8) is rotatably connected to the cavity inside the second air disc (6). A second support ring (9) is fixedly connected to the rotating shaft (7), and an arc-shaped groove is opened at the bottom of the second support ring (9). The second support ring (9) is rotatably connected to the first support ring (503). One end of the rotating shaft (7) is fixedly connected to a first stirring blade (10), a third support ring (11) is fixedly connected to the rotating shaft (7), and an arc-shaped groove is opened at the top of the third support ring (11); A rotating column (12) is rotatably connected to the first air disc (5), and the rotating column (12) is rotatably connected to the outer peripheral surface of the rotating shaft (7). A second baffle (13) is fixedly connected to the rotating column (12), and the second baffle (13) is rotatably connected to the cavity inside the first air disc (5). A second stirring blade (14) is fixedly connected to the rotating column (12), and an arc-shaped groove is opened at one end of the rotating column (12). One end of the rotating column (12) is rotatably connected to the top of the third support ring (11).
2. The foaming device for the production of silicone rubber foam materials according to claim 1, characterized in that, A first rolling ball for reducing friction is installed between the top end of the third support ring (11) and one end of the rotating column (12).
3. The foaming device for the production of silicone rubber foam materials according to claim 1, wherein, A second rolling ball for reducing friction is installed between the top end of the first support ring (503) and the bottom of the second support ring (9).
4. The foaming device for the production of silicone rubber foam materials according to claim 1, characterized in that, An output valve (101) is fixedly connected to the stirring tank (1), and an injection valve (102) is fixedly connected to the stirring tank (1).
5. The foaming device for the production of silicone rubber foam materials according to claim 1, characterized in that, An air inlet ring (103) is fixedly connected to the stirring tank (1), and a plurality of air inlets (1030) for exhausting air are evenly distributed in a ring shape on the air inlet ring (103).
6. The foaming device for the production of silicone rubber foam materials according to claim 5, characterized in that, A cover plate (104) is fixedly connected to the top of the air inlet ring (103), and the cover plate (104) is rotatably connected to the rotating column (12).
7. The foaming device for the production of silicone rubber foam materials according to claim 5, characterized in that, A connecting pipe (105) is fixedly connected to the intake ring (103), one end of the connecting pipe (105) is fixedly connected to a filter box (106), the bottom of the filter box (106) is fixedly connected to a bottom plate (15), and the bottom plate (15) is fixedly connected to the bottom end of the stirring tank (1).